CN105300025B - Refrigerator monitoring system - Google Patents

The invention discloses a refrigerator monitoring system. The refrigerator monitoring system comprises an acquiring terminal, a center control box and a receiving display module, wherein the acquiring terminal is connected to a refrigerator, and is in wire connection with the center control box through a connecting end; the acquiring terminal transmits refrigerator data, acquired from the refrigerator, to the center control box for processing; and after a center controller of the center control box encodes the transmitted data according to a given protocol, the data is transmitted to the receiving display module of a monitoring center through an Ethernet or a CDMA mode for analyzing and displaying. The refrigerator monitoring system saves the labor, effectively improves the data transmission accuracy, and is convenient for users to monitor such parameters as temperature and humidity in the refrigerator in real time.

Cold closet monitoring system

Technical field

The present invention relates to data acquisition monitoring field, particularly to a kind of cold closet monitoring system.

Background technology

Cold closet transport service developed recently is abnormal swift and violent, and especially in the Asian-Pacific area, annual substantial amounts of cold fresh goods thing is sent to All over the world so that the cold closet stockyard scale expanding day at each collecting and distributing harbour.Domestic harbour is used mostly traditional data collection Mode, after cold closet arrives place, staff once patrolled and examined every 3 hours, by the various numbers of case record cold closet According to.Specifically, traditional manpower acquisition mode is gone over, with data wire by cold closet with needing people's one chest of one chest The serial communication interface provided on panel connects notebook computer, collects number with the respective software of the chest of each brand According to, then by the data inputting collected to data base, this mode there will be the input error of some data unavoidably and causes Information is inaccurate, and data delay is longer.This method recognition speed is relatively slow, consume a large amount of manpower, error rate is high and can not Realizing real-time tracking, in order to solve this problem, the present invention provides one can monitor cold closet data collecting system in real time.

Summary of the invention

In order to overcome the defect in the presence of prior art, the present invention provides one cold closet data acquisition accurately and efficiently Collecting system.

A kind of cold closet monitoring system of the present invention, including acquisition terminal, middle control case and reception display module,

Acquisition terminal is connected to cold closet, and by connecting end and middle control case wired connection, acquisition terminal will be from cold closet The cold closet data collected are transferred to middle control case and process；

Middle control case includes casing, receiver module, Centralized Controller module, wireless transport module, power module and relay Device, receiver module from the cold closet data of acquisition terminal and transmits it to Centralized Controller module for reception；

Centralized Controller module comprises multiple terminal controller and a master controller, multiple terminal controllers respectively with connect Receipts module connects, and terminal controller is set to cold closet data are decoded Unified coding respectively again, and master controller is used for converging The cold closet data of total multiple terminal controller, and transmit it to receive display module；Master controller is by being wirelessly transferred mould Cold closet data are transmitted to receiving display module by block；

Relay is for remotely controlling the on an off of cold closet；

Receive display module and arrange and store the cold closet data from middle control case, choose for user and understand cold closet Current state and historic state.

Further, acquisition terminal includes shell, 232 chips and 485 chips, in cold closet data transmission to 232 chips, Through the transfer transmission of 232 chips to 485 chips, and then by 485 chips transmission to middle control casees.

Further, an acquisition terminal is connectable to different types of cold closet.

Further, cold closet data include the case number (CN) of cold closet, temperature and humidity.

Further, one controls case and can connect 24 acquisition terminals.

Further, middle control case also comprises LED circuit, and when central control case and acquisition terminal successful connection, LED bright light carries Show.

Further, acquisition terminal is set to the form of plug, by insert cold closet communication interface in cold closet Connect.

Further, the shell of acquisition terminal and the casing of middle control case are made up of waterproof material.

Further, the renewal set of time of cold closet data is 10 seconds.

Further, the operation of cold closet monitoring system allows temperature to be-40～60 DEG C, and running and allowing humidity is 0%- 100%.

Owing to using above technical scheme, the present invention compared with prior art has the advantage that

1. in the present invention, acquisition terminal can identify the cold closet of multiple brand, it is not necessary to difference different brands cold Hiding case use different terminals and be replaced as frequently as gathering the software of data, be greatly saved manpower and time, data acquisition is imitated Rate is higher；

2. in terminal controller, the data collected are decoded respectively and Unified coding, it is to avoid artificial transmission's number According to time input error that may be present, make the data collected more accurate；

3. cold closet data update once for every ten seconds, can realize real-time tracking；

4. receive display module in units of heap, manage the service data of ice chest concentratedly, improve bandwidth utilization rate；

5. system also has a good man machine interface, easy to operate and management personnel can clearly, get information about cold Hide situation of storing up and the running status thereof of case；

6. system has historical data and historical events read functions, and can check history curve；

7. user remotely checks server data also by the Internet, not only can check cold preservation in Office PC The operation conditions of case, just can whenever and wherever possible monitor cold closet situation after installing corresponding program on the notebook of oneself；

8. using wired connection between acquisition terminal and middle control case, be not easily susceptible to the interference of other signals, data are transmitted more Stable；

9. using relay remotely to control the on an off of cold closet, the management for cold closet provides convenient

Accompanying drawing explanation

Fig. 1 is the schematic diagram of the cold closet monitoring system according to the present invention.

Description of reference numerals:

100 acquisition terminals, 110 232 chips, 120 485 chips, control case in 200,210 casings, 220 receiver modules, 230 Centralized Controller module, 231 terminal controllers, 232 master controllers, 240 wireless transport modules, 241 network interface modules, 242GPRS Module, 250 power modules, 260 relays, 300 receive display, 400 cold closetes.

Detailed description of the invention

In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, to the present invention It is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to limit Determine the present invention.

Fig. 1 is the schematic diagram of the cold closet monitoring system according to the present invention.As it is shown in figure 1, from cold closet 400 by gathering eventually The data that end 100 collects control the process of case 200 in passing through, eventually through wireless transport module 240 transmission to aobvious as reception Show the host computer of module 300.Specifically, acquisition terminal 100 is connected to cold closet 400, and by 485 serial ports and middle control case 200 wired connections, by collect from cold closet 400, acquisition terminal 100 includes that the case number (CN) of cold closet 400, temperature and humidity exist Interior cold closet data are transferred to middle control case 200 and process.In the embodiment shown in fig. 1, outside acquisition terminal 100 includes Shell, 232 chip 110 and 485 chips 120, cold closet data, by data receiver Serial Port Transmission to 232 chips 110, are passed through The transfer transmission of 232 chips 110 is to 485 chips 120, and then is transmitted to middle control case 200 by 485 chips 120.When cold closet 400 Staff is only needed terminal to be inserted on the communication serial port on cold closet 400 after arriving harbour, easy to operate.Adopt for one Collection terminal 100 be capable of identify that the cold closet 400 of multiple different brands, the most same acquisition terminal 100 can recognize that TK, The ice chest that the market accountings such as Carrier, Star Cool, DK are bigger, therefore without the need to distinguish difference gathering data when Brand with different terminals and frequently change software.

Middle control case 200 includes casing 210, receiver module 220, Centralized Controller module 230, power module 250 and nothing Line transport module 240.In an embodiment of the present invention, receiver module 220 is that 485 modules are for receiving from acquisition terminal 100 Cold closet data and transmit it to Centralized Controller module 230.Centralized Controller module 230 comprises multiple terminal controller 231 and a master controller 232, wherein terminal controller 231 is set to enter cold closet data respectively according to set agreement Row decodes Unified coding again, and multiple terminal interface drawn by multiple terminal controllers 231 and 485 modules connect, and master controller 232 is used In collecting the cold closet data of multiple terminal controller 231, and transmit it to receive display module 300.Power circuit can be by External 220V voltage is converted to 12V, 5V and 3.3V voltage, to supply different controllers.Master controller 232 is by wireless biography The transmission of cold closet data is extremely received display module 300 by defeated module 240.In one embodiment, wireless transport module 240 comprises The such positioner of network interface module 241 and such as GPRS module 242, for being wirelessly transferred cold closet data to accepting display Positional information with middle control case 200.In another embodiment, middle control case 200 has 24 terminal interfaces, controls case in i.e. one 200 can connect 24 acquisition terminals 100.

Also including relay 260 in middle control case 200, this relay 260 is for remotely controlling the on an off of cold closet 400.

Acquisition terminal 100 sends, by 485 serial ports, the data received to central controller and processes, and central controller is to sending Data carry out point according to transferring data to Surveillance center after set protocol code by the way of Ethernet or CDMA Analysis display.The display module 300 that receives of Surveillance center arranges and stores the cold closet data from middle control case 200, for user Choose and pass through man machine interface and understand current state and the historic state of cold closet 400.

It addition, middle control case 200 also comprises LED circuit, when central control case 200 and acquisition terminal 100 successful connection, LED is bright Lamp is pointed out.

The most attractive in appearance, acquisition terminal 100 is set to the form of plug, by inserting the communication interface of cold closet 400 In be connected with cold closet 400.And the shell of acquisition terminal 100 is made up of waterproof material so that it is more robust, can connect with 24 hours On cold closet 400, it is not necessary to take off, and in terminal, it is furnished with automatic wire-collecting box, decreases the trouble of coiling.Central controller shell also may be used It is made up of waterproof material, and is fixed on the iron prop in the middle of cold closet 400 aisle, the acquisition terminal 100 near convenient connection.

The wireless transmission method using Ethernet and CDMA to combine reduces the campus network produced.General port and pier Will be coated with wireless network, middle control case 200 can be directly connected with the computer acquirement of office by Ethernet, and CDMA is the most standby Use scheme.What the equipment of some monitoring cold closet 400 used the most on the market is exactly that CDMA transmits data, and these equipment can be straight Connecing and be arranged on casing 210, no matter which chest can receive data at, but this can produce substantial amounts of campus network, especially The place of its cold closet 400 is not fixed, can other provinces, city are the most outside, then the campus network of generation is expensive ?.Monitoring system disclosed in this invention not only reduces outfit and the labor intensity of dock personnel, more increases economic efficiency.

In the present invention, identifying that a cold closet required time is about 10 seconds, therefore the renewal time of cold closet data can set It is set to 10 seconds.The operation of system allows temperature to be-40～60 DEG C, and running and allowing humidity is 0%-100%, can be natural at harbour Under environment properly functioning.

Embodiment described above only have expressed embodiments of the present invention, and it describes more concrete and detailed, but can not Therefore the restriction to the scope of the claims of the present invention it is interpreted as.It should be pointed out that, for the person of ordinary skill of the art, Without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the protection model of the present invention Enclose.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.