CN109720750A - Logistics flows to supervisory systems - Google Patents

The invention discloses logistics to flow to supervisory systems, including transport vehicle, transport vehicle includes cockpit and cargo hold, it further include host, the first monitoring device, the second monitoring device and material detection device, first monitoring device, the second monitoring device, material detection device couple with host, first monitoring device and host are set in cockpit, and the second monitoring device is set to outside cockpit, and material detection device is set to the bottom end in cargo hold and being located at cargo hold.The present invention is by being arranged a material detection device in the bottom of cargo hold, the detection to the real-time condition of material in cargo hold may be implemented by the material detection device, the details of midway discharging and charging is timely fed back to host, it is fed back again by host to terminals such as supplier, traffic unit and buying sides, in order to which operator grasps in transport vehicle material in the real-time change of entire transportation route in time.

Logistics flows to supervisory systems

Technical field

The present invention relates to logistics and transportation technical field, in particular to a kind of logistics applied in transport lorry flows to supervision System.

Background technique

With going deep into for electric business business, logistics and transportation industry is fast-developing, and the ownership of stream carrier vehicle is significantly increased, goods Object transports the frequency and increases and gradually permeate to the remote districts such as rural area, and the safety and supervision of vehicle and cargo are at vehicle owner Very concern.

Transport truck is primarily present following shortcoming at present:

1, interior lacks corresponding surveillance and control measure, and the handling operation process of cargo cannot trace, there are cargos to be stolen, The security risk robbed, anti-theft performance are poor；

2, the case where actual mechanical process, there are midway discharging and chargings, however the situation cannot effectively be fed back, The real-time dynamic information of unloading, the charging of vehicle can not be grasped in time.

Therefore, it is necessary to propose that a kind of logistics of real time information that can timely feedback transportational process flows to supervisory systems, To solve the above problems.

Summary of the invention

The object of the present invention is to provide a kind of logistics to flow to supervisory systems, is at least able to solve one of above problem.

To achieve the above object, according to an aspect of the invention, there is provided a kind of logistics flows to supervisory systems, including fortune Defeated vehicle, transport vehicle include cockpit and cargo hold, further include host, the first monitoring device, the second monitoring device and material detection dress It sets, the first monitoring device, the second monitoring device, material detection device couple with host, the first monitoring device and host setting In in cockpit, the second monitoring device is set to outside cockpit, and material detection device is set to the bottom in cargo hold and being located at cargo hold End；

First monitoring device is configured to feedback the case where cockpit situation and cockpit front to host；

Second monitoring device is configured to feedback the case where the external circumstances of cargo hold and cargo hold rear taking host；

Material detection device is configured to the real-time condition feedback in cargo hold to host；

Real-time condition includes discharge status, discharging quantity, unloading work duration, charging state, feeding quantity and charging duration；

Host is configured at the data fed back to the first monitoring device, the second monitoring device and material detection device Reason；

Processing includes that data acquisition, data operation and data save.

The present invention, can be to the driving of stream carrier vehicle by being provided with the first monitoring device and the second monitoring device as a result, Real-time condition and cargo hold outside situation carry out complete monitoring in cabin, and feed back to host and carry out data processing, facilitate grasp The real-time dynamic of transport vehicle；It, can be real by the material detection device by the way that a material detection device is arranged in the bottom of cargo hold Now to the detection of the real-time condition of material in cargo hold, the details of midway discharging and charging is timely fed back to host, then by Host is fed back to terminals such as supplier, traffic unit and buying sides, is existed in order to which operator grasps material in transport vehicle in time The real-time change of entire transportation route.

In some embodiments, material detection device is pressure sensor.Material detection device of the invention is as a result, Air pressure in cargo hold is detected by pressure sensor, hydraulic or weight variation judges whether carried out discharging in cargo hold, unloads Doses, discharging operating time, whether carried out charging, feeding quantity and charging duration, detection efficiency is high, and data are more accurate.

In some embodiments, the first monitoring device and the second monitoring device are camera.As a result, camera can and When shooting cockpit and cargo hold photo or video and feed back to host, guarantee the true and reliable of information, while facilitating terminal Abnormal conditions effectively, accurately judge according to above-mentioned photo or video.

In some embodiments, it further includes GPS positioning device and sound broadcasting device, GPS that logistics, which flows to supervisory systems, Positioning device and sound broadcasting device are all set in cockpit and couple with host, and GPS positioning device is configured to vehicle It is positioned, sound broadcasting device is configured to play the relevant information of GPS positioning device.GPS positioning device can be timely as a result, The position feedback by vehicle to host, sound broadcasting device broadcasts the actual conditions of the roads such as road conditions, and then guarantees transport road The accuracy of diameter.

In some embodiments, it further includes shell that logistics, which flows to supervisory systems, and jacket is set to the periphery of host, shell It is equipped with two seal items.Shell is used for fixed host computer as a result, and each shell is provided with two not re-usable seals Item, can effectively prevent GPS route be removed or route change.

In some embodiments, it further includes tarpaulin and tarpaulin folding control device that logistics, which flows to supervisory systems, and cargo hold is Rectangular, tarpaulin is set to the top of cargo hold, tarpaulin folding control device for realizing tarpaulin folding.Fill for convenience as a result, Unloading, the top of rectangular cargo hold is generally opening-wide state, and the top of cargo hold can be covered at when tarpaulin opening, for blocking sun Light and rainwater etc., and then play the role of protecting article in cargo hold；By the way that tarpaulin folding control device is arranged, tarpaulin may be implemented Automatic open-close, it is easy to operate, it is easy to control.

In some embodiments, tarpaulin folding control device includes controller, driving mechanism, drive rod, spring and drawing Force snesor, driving mechanism are set to the bottom of cargo hold and are electrically connected with host, and controller is connect with host, for controlling driving Mechanism, drive rod are set to the two sides of cargo hold, and one end of drive rod is articulated with cargo hold, and other end clasp joint is in tarpaulin, driving mechanism It is connect with drive rod, for driving drive rod to rotate, for one end clasp joint of spring in drive rod, the other end is installed on cargo hold, pulling force Sensor is installed on cargo hold and cooperates with spring, and tension sensor is electrically connected with host, for feeding back the real-time status of spring To host.As a result, when tarpaulin is in collapse state, tarpaulin is located at the head of cargo hold, one end of oscillating rod and tarpaulin clasp joint Positioned at the head of cargo hold；When needing to be blocked using tarpaulin, operator only needs to press the switch of controller, driving machine Structure can drive oscillating rod to rotate, and drive tarpaulin mobile to cargo hold caudal directions, finally cover at the top of entire cargo hold；The present invention Provided with tarpaulin folding control device, the automatic open-close of tarpaulin, easy to use, functional are realized.It is folded when tarpaulin is in When state, one end of oscillating rod and tarpaulin clasp joint also is located at the head of cargo hold, and spring is in tensioned state, tension sensor at this time The pulling force detected is maximum；When pressing the switch of controller, driving mechanism drives oscillating rod rotation, drives tarpaulin to cargo hold tail The movement of portion direction, spring contraction during oscillating rod rotates, when oscillating rod reaches cargo hold tail portion, spring is in relaxation and nature Sagging state, the pulling force that tension sensor detects at this time is minimum, almost nil.The present invention is arrived according to tension sensor feedback The case where pulling force size of host can learn in time which kind of state tarpaulin is in, tarpaulin is avoided not cover, while may be used also It is practical timely to learn whether tarpaulin folding control device works normally.

In some embodiments, tarpaulin folding control device further includes drive rod, drive rod be set to tank top and Both ends are connect with oscillating rod, and driving mechanism includes servo motor, driving gear and driven gear, and servo motor is fixedly installed on goods The bottom in cabin, driving gear are connected by power with servo motor, and driven gear is sheathed on the periphery of drive rod, driving gear with it is driven Gear engagement.Servo motor drives driving gear rotation as a result, and driving gear drives driven gear rotation, and driven gear is arranged In the periphery of drive rod, drive rod rotates together with driven gear, and then drives oscillating rod rotation, realizes opening automatically for tarpaulin It closes.

In some embodiments, it further includes alarm that logistics, which flows to supervisory systems, and alarm is set to cockpit, alarm Device is electrically connected with host.Alarm and host are electrically connected as a result, when material detection device, GPS positioning device, tarpaulin folding When the failures such as control device and sound broadcasting device or discharging, charging, tarpaulin moving process appearance exception, alarm It can sound an alarm in time, remind the staff in cockpit to handle in time, while can also supervise driver in turn, prevent from driving There is abnormal discharging in the person of sailing or other are happened in violation of rules and regulations.

In some embodiments, it further includes remote terminal monitor supervision platform, remote terminal monitoring that logistics, which flows to supervisory systems, Platform is connect with main-machine communication.Host acquires vehicle transportation data and cargo data and is fed back to remote terminal prison as a result, Platform is controlled, remote terminal monitor supervision platform carries out data operation and realizes logistics control；Remote terminal monitor supervision platform supplies supplier, fortune Defeated unit, buying side etc. use, so that supplier, traffic unit, buying side are to cargo follow entire to what is reached the destination Process is clear, so that further effective Care for Cargo flow direction reaches market control to supplier, traffic unit control of being more convenient for Transportation cost, and can allow buying side become apparent from product source and quality manage, thus to a greater extent reduce maintenance cost with Cost of human resources.

The invention has the benefit that

1, the present invention, can be in the cockpit of stream carrier vehicle by being provided with the first monitoring device and the second monitoring device Real-time condition and cargo hold outside situation carry out complete monitoring, and feed back to host and carry out data processing, and grasp is facilitated to transport The real-time dynamic of vehicle；

2, it by the way that a material detection device is arranged in the bottom of cargo hold, may be implemented by the material detection device to cargo hold The details of midway discharging and charging is timely fed back to host, then is fed back by host by the detection of the real-time condition of interior material To terminals such as supplier, traffic unit and buying sides, entirely transported in order to which operator grasps material in transport vehicle in time The real-time change in path；

3, it is provided with tarpaulin folding control device, the automatic open-close of tarpaulin may be implemented, it is easy to operate, it is easy to control；

4, tension sensor is mounted in tarpaulin folding control device, according to the pulling force of tension sensor feedback to host The case where size can learn in time which kind of state tarpaulin is in, tarpaulin is avoided not cover, while can also timely obtain Know whether tarpaulin folding control device works normally, it is practical；

5, the remote terminal monitor supervision platform being connect provided with one with main-machine communication, the vehicle transport data and goods of host acquisition Object data can be timely feedbacked to remote terminal monitor supervision platform, and remote terminal monitor supervision platform carries out data operation and realizes logistics control, Remote terminal monitor supervision platform supplies supplier, traffic unit, the use such as buying side, so that supplier, traffic unit, buying side are right Cargo is follow clear to the whole process to reach the destination, so that supplier further reach by effective Care for Cargo flow direction Market control, be more convenient for traffic unit control transportation cost, and can allow buying side become apparent from product source and quality control, from And maintenance cost and cost of human resources are reduced to a greater extent.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that the logistics of embodiment 1 flows to the transport vehicle of supervisory systems；

Fig. 2 is the control flow schematic diagram that logistics shown in FIG. 1 flows to supervisory systems；

Fig. 3 is after logistics shown in FIG. 1 flows to and increases tarpaulin and tarpaulin folding control device on the transport vehicle of supervisory systems One of structural schematic diagram；

Fig. 4 is after logistics shown in FIG. 1 flows to and increases tarpaulin and tarpaulin folding control device on the transport vehicle of supervisory systems Second structural representation；

Fig. 5 is the driving mechanism of Fig. 3 and tarpaulin folding control device shown in Fig. 4 and the structural representation of drive rod cooperation Figure；

Fig. 6 is the structural schematic diagram that the logistics of embodiment 2 flows to the transport vehicle of supervisory systems.

Appended drawing reference in Fig. 1~6: 2- transport vehicle；3- host；4- material detection device；5- tarpaulin；The folding control of 6- tarpaulin Device processed；7-GPS positioning device；8- sound broadcasting device；The first monitoring device of 9-；The second monitoring device of 10-；11- shell； 12- alarm；13- remote terminal monitor supervision platform；21- cockpit；22- cargo hold；61- oscillating rod；62- spring；63- pull sensing Device；64- driving mechanism；65- drive rod；641- servo motor；642- driving gear；643- driven gear.

Specific embodiment

The invention will now be described in further detail with reference to the accompanying drawings.

Embodiment 1

Fig. 1~5 schematically show that a kind of logistics of embodiment according to the present invention flows to supervisory systems.

As shown in Fig. 1~5, it includes transport vehicle 2, host 3 and material detection device 4 which, which flows to supervisory systems,.Transport Vehicle 2 includes cockpit 21 and cargo hold 22, and cockpit 21 connect and be located at the front of cargo hold 22 with cargo hold 22.Host 3, which is set to, to be driven Sail cabin 21.The cargo hold 22 of present embodiment is cube.Further, cargo hold 22 is cuboid.The cargo hold 22 of cube shape is main For containing flow-like (such as sand), blocky (such as ceramic tile) or bag-shaped (bagged cement) solid material.Material detection device 4 The bottom end in cargo hold 22 and being located at cargo hold 22 is fixedly installed on by fasteners such as screws.Material detection device 4 is electric with host 3 Property connection, for by the real-time condition feedback of material in cargo hold 22 to host 3.What host 3 was used to feed back material detection device 4 Data are handled.

The material detection device 4 of present embodiment is pressure sensor.Pressure sensor is using common pressure on the market Sensor.Air pressure in cargo hold 22 is detected by pressure sensor, hydraulic or weight variation judges material in cargo hold 22 Real-time condition, detection efficiency is high, and data are more accurate.

Above-mentioned real-time condition includes discharge status, discharging quantity, unloading work duration, charging state, feeding quantity and charging Duration.Whether discharge status have as carried out discharging, when start discharging etc..Unloading work duration is to start to be dumped into end The time spent between discharging.Discharging quantity be discharging start before weight and discharging after weight difference.Charging state As whether fed, when starts charging etc..Charging operating time is to start to be fed between end charging to spend Time.Feeding quantity is the difference of the weight after feeding weight and charging before starting.

It further includes the first monitoring device 9 and the second monitoring device 10 that the logistics of present embodiment, which flows to supervisory systems,.First Monitoring device 9 is fixedly installed in cockpit 21 by fasteners such as screws, and the second monitoring device 10 passes through the fasteners such as screw It is fixedly installed on outside cockpit 21.First monitoring device 9 and the second monitoring device 10 electrically connected with host 3 by conducting wire and into The docking of row data.First monitoring device 9 is configured to arrive feedback the case where 21 inner case of cockpit and 21 front of cockpit Host 3.Second monitoring device 10 is configured to feedback the case where 22 rear of the external circumstances of cargo hold 22 and cargo hold taking host 3.The first monitoring device 9 and the second monitoring device 10 of present embodiment are camera.Camera can shoot in time and drive as a result, It sails the photo in cabin 21 and cargo hold 22 or video and feeds back to host 3, guarantee the true and reliable of information.Host 3 is configured to The data that one monitoring device 9, the second monitoring device 10 are fed back are handled.

It further includes GPS positioning device 7, sound broadcasting device 8 and alarm that the logistics of present embodiment, which flows to supervisory systems, 12.GPS positioning device 7 and sound broadcasting device 8 are all set in cockpit 21 and electrically connect with host 3 and carry out data pair It connects.GPS positioning device 7 is configured to position vehicle, and sound broadcasting device 8 is configured to play the correlation of GPS positioning device 7 Information.Alarm 12 is fixedly installed in cockpit 21 by screw etc., and alarm 12 is electrically connected with host 3.Alarm 12 It is electrically connected with host 3, when material detection device 4, GPS positioning device 7 and sound broadcasting device 8 etc. break down or unload When material, charging process occur abnormal, alarm 12 can sound an alarm in time, and the staff in cockpit 21 is reminded to locate in time Reason.GPS positioning device 7 can be timely by the position feedback of vehicle to host 3 as a result, and sound broadcasting device 8 broadcasts road conditions etc. The actual conditions of road, and then guarantee the accuracy of transportation route.

It further includes shell 11 that the logistics of present embodiment, which flows to supervisory systems,.Shell 11 covers at the periphery of host 3.This reality The shell 11 for applying mode is that iron or stainless steel are made, and intensity is larger.Shell 11 is fixed on cockpit 21 by screw etc. It is interior.Shell 11 is equipped with two seal items, and seal item is for being fixed the route of GPS route etc..Shell 11 is used for as a result, Fixed host computer 3, each shell 11 are provided with two not re-usable seal items, can effectively prevent GPS route and be removed Or route change.

As seen in figures 3-5, it further includes tarpaulin 5 and tarpaulin folding control dress that the logistics of present embodiment, which flows to supervisory systems, Set 6.Tarpaulin 5 is set to the top of cargo hold 22.Tarpaulin folding control device 6 is electrically connected with host 3, for realizing opening for tarpaulin 5 It closes.

The tarpaulin folding control device 6 of present embodiment includes controller, driving mechanism 64, oscillating rod 61,62 and of spring Tension sensor 63.Driving mechanism 64 is set to the bottom of cargo hold 22 and is electrically connected with host 3.Controller is connect with host 3, is used In control driving mechanism 64.Oscillating rod 61 is set to the two sides of cargo hold 22, and one end of oscillating rod 61 is articulated with cargo hold 22, the other end Clasp joint is in tarpaulin 5.Driving mechanism 64 is connect with oscillating rod 61, for driving oscillating rod 61 to rotate.One end clasp joint of spring 62 in Oscillating rod 61, the other end are installed on cargo hold 22.Tension sensor 63 is installed on cargo hold 22 and cooperates with spring 62, tension sensor 63 are electrically connected with host 3, for the real-time status of spring 62 to be fed back to host 3.The tension sensor 63 of present embodiment is set It is placed in the medium position of spring 62, the both ends of tension sensor 63 are fixedly connected with spring 62 respectively.Tension sensor 63 it is upper End is connected with a telescopic elastic strip, which is also possible to spring 62.The left end of elastic strip is fixed on by pin etc. The outer wall of cargo hold 22, and then realize the installation of tension sensor 63.

The tarpaulin folding control device 6 of present embodiment further includes drive rod 65.Drive rod 65 is set to 22 bottom of cargo hold And both ends are connect with oscillating rod 61.The oscillating rod 61 of present embodiment is two, and two oscillating rods 61 are set to the two of cargo hold 22 Side and fixing sleeve are set to the both ends of drive rod 65.As shown in Figure 1, the lower end of every oscillating rod 61 is articulated in 22 bottom of cargo hold Portion position, upper end clasp joint is in tarpaulin 5.As seen in figures 3-5, the driving mechanism 64 of present embodiment includes servo motor 641, master Moving gear 642 and driven gear 643.Servo motor 641 is fixedly installed on the bottom of cargo hold 22, servo motor by screw etc. 641 are electrically connected with host 3.Driving gear 642 is sheathed on the output end of servo motor 641, and connects with 641 power of servo motor It connects.Driven gear 643 is sheathed on the periphery of drive rod 65, and driving gear 642 is engaged with driven gear 643.Controller and host 3 Connection, the work of the servo motor 641 for controlling driving mechanism 64.The controller of present embodiment can control for push button Device or touch display screen.

The working principle of the tarpaulin folding control device 6 of present embodiment are as follows:

When tarpaulin 5 is in collapse state, tarpaulin 5 is located at the head of cargo hold 22, one end of oscillating rod 61 and 5 clasp joint of tarpaulin It also is located at the head of cargo hold 22.When needing to be blocked using tarpaulin 5, operator passes through the control in manipulation cockpit 21 Device, control servo motor 641 work, and servo motor 641 drives driving gear 642 to rotate, and driving gear 642 drives driven gear 643 rotations, driven gear 643 are sheathed on the periphery of drive rod 65, and drive rod 65 rotates together with driven gear 643, and then band Movable pendulum lever 61 rotates, and oscillating rod 61 will drive tarpaulin 5 to the movement of 22 caudal directions of cargo hold, finally covers at entire cargo hold 22 The Automatic-expanding of tarpaulin 5 is completed at top.Conversely, controller is manipulated, so that servo motor when needing to fold tarpaulin 5 641 reversions, finally drive oscillating rod 61 to rotate, and oscillating rod 61 will drive tarpaulin 5 to the movement of 22 cephalad direction of cargo hold, final withdrawal To the old place, the automatic retracting of tarpaulin 5 is completed.

The working principle of the tension sensor 63 of present embodiment are as follows:

When tarpaulin 5 is in collapse state, one end of oscillating rod 61 and 5 clasp joint of tarpaulin is located at the head of cargo hold 22, at this time Spring 62 is in the state for being straightened and tightening, at this point, the pulling force that tension sensor 63 detects is maximum.When operator presses control When the switch of device processed carries out the expansion of tarpaulin 5, driving mechanism 64 can drive oscillating rod 61 to rotate, and drive tarpaulin 5 to 22 tail of cargo hold Portion direction is mobile, and spring 62 can gradually taper up during oscillating rod 61 rotates, when oscillating rod 61 reaches 22 tail portion of cargo hold, bullet The state that spring 62 is in relaxation and naturally droops, the pulling force that tension sensor 63 detects at this time is minimum, almost nil.

The tension sensor 63 of present embodiment can timely by the variable condition of pulling force feedback to host 3, host 3 into Row data processing simultaneously feeds back to operator, and operator can learn which kind of state tarpaulin 5 is in time, avoids tarpaulin 5 not The case where covering.Meanwhile when the failure of tarpaulin folding control device 6 can not work normally, host 3 also can be anti-in time Feed operator, and operator can learn in time whether tarpaulin folding control device 6 works normally and repair, practical Property is strong.

The host 3 of present embodiment can be single-chip microcontroller, and host 3 is used for 9, second monitoring devices of the first monitoring device 7, the data of the feedbacks such as GPS positioning device 7 and material detection device 4 are handled.Above-mentioned processing includes data acquisition, data Operation and data save.Above-mentioned data include vehicle driving speed, traveling duration, stay time, discharge status, discharging quantity, unload Expect photo, pulling force that duration, charging state, feeding quantity, charging duration, the first monitoring device 9 and the second monitoring device 10 are shot The pulling force size etc. that sensor 63 is fed back.

In order to facilitate supplier, traffic unit and buying side etc. to cargo follow to the entire transport to reach the destination Process is clear.It further includes remote terminal monitor supervision platform 13 that the logistics of present embodiment, which flows to supervisory systems,.Remote terminal prison It controls platform 13 and host 3 communicates to connect.Remote terminal monitor supervision platform 13 and host 3 are networked, and then realize the docking of data.This reality The remote terminal monitor supervision platform 13 for applying mode can be the electronic products such as computer, mobile phone or be the clients such as APP.

Host 3 acquires vehicle transportation data and cargo data and is fed back to remote terminal monitor supervision platform 13, convenient remote Journey terminal monitoring platform 13 is handled in time；Simultaneously when transport path mistake, discharging place mistake, discharge time mistake occurs in transport When long, abnormal conditions such as the residence time is too long, alarm 12 and sound broadcasting device 8 and alarm can be triggered, at the same also can and When above-mentioned abnormal conditions are fed back into remote terminal monitor supervision platform 13.The setting of remote terminal monitor supervision platform 13 can be real as a result, The control of existing logistics flow direction, so that further effective Care for Cargo flow direction reaches market control, traffic unit of being more convenient for supplier Manage transportation cost, and can allow buying side become apparent from product source and quality manage, thus to a greater extent reduction safeguard at Sheet and cost of human resources.

Embodiment 2

Fig. 6 schematically shows that the logistics of another embodiment according to the present invention flows to supervisory systems.

The logistics of the present embodiment flows to supervisory systems and the structure in embodiment 1 is essentially identical, and difference is: (1) originally The not set tarpaulin 5 of embodiment and tarpaulin folding control device 6；(2) shape of the cargo hold 22 of transport vehicle 2 is different.As shown in Fig. 2, The cargo hold 22 of present embodiment is tank body, and the cargo hold 22 of tank body shape is mainly used for containing liquid material, gas material or powder Silk is fixed material (such as powdered cement).The cargo hold 22 of tank body shape is generally air-tight state, it is therefore not necessary to which tarpaulin 5 is arranged.

In conclusion the inspection to the real-time condition of material in cargo hold 22 may be implemented by material detection device 4 in the present invention Survey, the details of midway discharging and charging be timely fed back to host 3, then by the feedback of host 3 to supplier, traffic unit and The staff of the terminals such as buying side, supplier, traffic unit and buying side can be carried out by remote terminal monitor supervision platform 13 Data operation realizes logistics control, and supplier, traffic unit, buying side to cargo follow entire to what is reached the destination Process is clear, so that further effective Care for Cargo flow direction reaches market control to supplier, traffic unit control of being more convenient for Transportation cost, and can allow buying side become apparent from product source and quality manage, thus to a greater extent reduce maintenance cost with Cost of human resources.

The automatic open-close of tarpaulin 5 may be implemented by tarpaulin folding control device 6 by the present invention, easy to operate, easy to control. Tension sensor 63 is mounted in tarpaulin folding control device 6, the pulling force according to tension sensor 63 feedback to host 3 is big It is small, the case where can learning which kind of state tarpaulin 5 is in time, tarpaulin 5 is avoided not cover, while can also timely it obtain Know whether tarpaulin folding control device 6 works normally, it is practical.

Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention It encloses.