CN204256194U - GNSS Wind field measurement chip and meteorological sounding system - Google Patents

本实用新型公开了一种GNSS风场测量芯片，包括：风场解算模块接收输入数据，并输出大气层风速参数和大气层风向参数；与所述风场解算模块数据连接的处理模块，所述处理模块接收大气层风速参数和大气层风向参数，并以输出预定格式数据。同时本实用新型还公开了一种包含该GNSS风场测量芯片气象探空仪。采用本实用新型可可以实现对高空大气风速和风向数据的探测。

The utility model discloses a GNSS wind field measurement chip, comprising: a wind field calculation module receives input data, and outputs atmospheric wind speed parameters and atmospheric wind direction parameters; a processing module connected with the data of the wind field calculation module, the The processing module receives atmospheric wind speed parameters and atmospheric wind direction parameters, and outputs data in a predetermined format. At the same time, the utility model also discloses a meteorological radiosonde including the GNSS wind field measurement chip. By adopting the utility model, the detection of high-altitude atmospheric wind speed and wind direction data can be realized.

GNSS风场测量芯片及气象探空仪GNSS wind field measurement chip and meteorological radiosonde

技术领域 technical field

本实用新型属于气象探测、无线电技术领域，特别涉及一种双频GNSS风场测量芯片。 The utility model belongs to the field of meteorological detection and radio technology, in particular to a dual-frequency GNSS wind field measurement chip.

背景技术 Background technique

气象探空仪是一种常用的、重要的气象探测设备，其通常采用温度传感器、湿度传感器、气压传感器等传感器采集地面到30km高空的大气温度、湿度、气压等数据并进行记录，再利用地面雷达等设备或探空仪自带的导航模块对探空仪进行空中定位，从而可探测从地面到30km高度的大气温度、湿度、气压、风向、风速等数据，提供给气象部门等相关部门参考。 Meteorological radiosondes are commonly used and important meteorological detection equipment. They usually use sensors such as temperature sensors, humidity sensors, and air pressure sensors to collect and record data such as atmospheric temperature, humidity, and air pressure from the ground to an altitude of 30km, and then use the ground Radar and other equipment or the navigation module that comes with the radiosonde can locate the radiosonde in the air, so as to detect atmospheric temperature, humidity, air pressure, wind direction, wind speed and other data from the ground to a height of 30km, and provide it to the meteorological department and other relevant departments for reference .

目前，大气温度、湿度、气压可借助于各种传感器实现对其的探测，对于风向、风速的探测，采用基于导航卫星系统高空探测系统已成为当今世界无线电高空气象探测的发展主流，它具有测风精度高、地面系统简单，操作简便的优点。GPS探空仪在国外已经有比较成熟的产品，并且得到了广泛的应用。我国北斗导航卫星系统的发展，使基于导航卫星系统高空探测系统有了更多的选择。 At present, atmospheric temperature, humidity, and air pressure can be detected by means of various sensors. For the detection of wind direction and wind speed, the high-altitude detection system based on the navigation satellite system has become the mainstream of the development of radio high-altitude meteorological detection in the world today. It has measurement It has the advantages of high wind precision, simple ground system and easy operation. GPS radiosondes already have relatively mature products abroad, and have been widely used. The development of my country's Beidou navigation satellite system has enabled more choices for high-altitude detection systems based on navigation satellite systems.

发明内容 Contents of the invention

有鉴于此，为克服上述至少一个缺点，并提供下述至少一种优点。本实用新型公开了一种GNSS风场测量芯片，同时本实用新型还提供了一种包含上述GNSS风场测量芯片探空仪，可以实现对高空大气风速和风向数据的探测。 In view of this, in order to overcome at least one of the above disadvantages, and provide at least one of the following advantages. The utility model discloses a GNSS wind field measurement chip. At the same time, the utility model also provides a radiosonde including the above-mentioned GNSS wind field measurement chip, which can realize the detection of high-altitude atmospheric wind speed and wind direction data.

为解决上述技术问题，本实用新型采用以下技术方案： In order to solve the above technical problems, the utility model adopts the following technical solutions:

一种GNSS风场测量芯片,包括：风场解算模块接收输入数据，并输出大气层风速参数和大气层风向参数；与所述风场解算模块数据连接的处理模块，所 述处理模块接收大气层风速参数和大气层风向参数，并以输出预定格式数据。 A GNSS wind field measurement chip, comprising: a wind field calculation module receives input data, and outputs an atmospheric wind speed parameter and an atmospheric wind direction parameter; a processing module connected with the data of the wind field calculation module, and the processing module receives the atmospheric wind speed parameters and atmospheric wind direction parameters, and output data in a predetermined format.

进一步的，还包括：接收至少两种GNSS数据的接口模块，所述接口模块与所述风场解算模块数据连接。 Further, it also includes: an interface module for receiving at least two kinds of GNSS data, and the interface module is data-connected with the wind field calculation module.

一种气象探空仪，包括：接收至少两种GNSS信号的GNSS模块； A meteorological radiosonde, comprising: a GNSS module receiving at least two GNSS signals;

与所述GNSS模块数据连接的风场测量芯片。 A wind field measurement chip connected to the GNSS module data.

进一步的，还包括：与所述风场测量芯片数据的输出数据连接的射频天线模块。 Further, it also includes: a radio frequency antenna module connected to the output data of the wind field measurement chip data.

进一步的，还包括：产生温度数据、湿度数据、气压数据中的至少一种数据的传感器模块。 Further, it also includes: a sensor module that generates at least one of temperature data, humidity data, and air pressure data.

通过采用上述技术方案，本实用新型的所达到的有益效果为： By adopting the above-mentioned technical scheme, the beneficial effects achieved by the utility model are:

本实用新型涉及的双频GNSS风场测量专用芯片可处理北斗、GPS导航模块输出的原始观测数据完成信号的处理，解算出高空大气层的风速、风向。 The dual-frequency GNSS wind field measurement special chip involved in the utility model can process the original observation data output by the Beidou and GPS navigation modules to complete signal processing, and calculate the wind speed and wind direction in the high-altitude atmosphere.

附图说明 Description of drawings

为了更清楚地说明本实用新型实施例中的技术方案，下面将对本实用新型实施例描述中所需要使用的附图作简单的介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据本实用新型实施例的内容和这些附图获得其他的附图。 In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the accompanying drawings in the following description are only the illustrations of the present invention. For some embodiments, those of ordinary skill in the art can also obtain other drawings according to the content of the embodiments of the present invention and these drawings without any creative effort.

图1为本实用新型实施例GNSS风场测量芯片示意图。 Fig. 1 is a schematic diagram of a GNSS wind field measurement chip according to an embodiment of the present invention.

图2为本实用新型实施例气象探空仪示意图。 Fig. 2 is a schematic diagram of the meteorological radiosonde of the utility model embodiment.

具体实施方式 Detailed ways

为使本实用新型解决的技术问题、采用的技术方案和达到的技术效果更加清楚，下面将结合附图对本实用新型实施例的技术方案作进一步的详细描述， 显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。 In order to make the technical problems solved by the utility model, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the utility model will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only Some embodiments of the utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the present utility model.

下面结合附图并通过具体实施方式来进一步说明本实用新型的技术方案。 The technical scheme of the utility model will be further described below in conjunction with the accompanying drawings and through specific embodiments.

图1为本实用新型实施例GNSS风场测量芯片示意图。 Fig. 1 is a schematic diagram of a GNSS wind field measurement chip according to an embodiment of the present invention.

参考图1，在本实用新型实施例的GNSS风场测量芯片包括风场解算模块和处理模块。 Referring to FIG. 1 , the GNSS wind field measurement chip in the embodiment of the present invention includes a wind field calculation module and a processing module.

风场解算模块以输入的GNSS数据作为输入数据，根据该输入数据进行定位，并根据定位结果对大气层风速参数和大气层风向参数进行解算。 The wind field calculation module takes the input GNSS data as input data, performs positioning according to the input data, and calculates the atmospheric wind speed parameters and atmospheric wind direction parameters according to the positioning results.

具体的，在本实用新型实施例中，风场解算模块接收和处理导航卫星的定位信息，包括卫星的时间信息、卫星位置信息、信号状态等，实时确定探空仪飞行轨迹上单位时间间隔的三维速度信息和三维坐标信息，并根据三维速度信息和三维坐标信息计算出大气层风速参数和大气层风向参数。 Specifically, in the embodiment of the utility model, the wind field calculation module receives and processes the positioning information of the navigation satellite, including the time information of the satellite, the satellite position information, the signal state, etc., and determines the unit time interval on the flight track of the radiosonde in real time The three-dimensional velocity information and three-dimensional coordinate information, and calculate the atmospheric wind speed parameter and atmospheric wind direction parameter according to the three-dimensional velocity information and three-dimensional coordinate information.

处理模块对风场解算模块产生的大气层风速参数和大气层风向参数按照预定的数据格式进行打包，并将数据包进行输出。 The processing module packs the atmospheric wind speed parameters and atmospheric wind direction parameters generated by the wind field calculation module according to a predetermined data format, and outputs the data packets.

进一步，作为本实用新型实施例的一种扩展，该双频GNSS风场测量芯片还包括接口模块。接口模块可将接收的GNSS数据作为输入数据输出到风场解算模块。该GNSS数据可以为通过GNSS信号解算出的原始观测数据或标准NMEA数据，因此，上述风场解算模块可直接以原始观测数据或标准NMEA数据为基础进行解算。 Further, as an extension of the embodiment of the present utility model, the dual-frequency GNSS wind field measurement chip also includes an interface module. The interface module can output the received GNSS data as input data to the wind field calculation module. The GNSS data may be original observation data or standard NMEA data calculated through GNSS signals. Therefore, the above-mentioned wind field calculation module may directly perform calculation based on the original observation data or standard NMEA data.

本领域技术人员可以知道，作为一个芯片的整体，在本实用新型实施例的双频GNSS风场测量芯片中还可以包括数字外设模块、模拟外设模块、ROM和/或RAM等存储器、系统时钟模块、电源管理模块等以辅助风场解算模块和处理 模块完成相应的正常功能。 Those skilled in the art can know that as a whole chip, the dual-frequency GNSS wind field measurement chip of the embodiment of the present invention can also include digital peripheral modules, analog peripheral modules, ROM and/or RAM and other memories, system The clock module, power management module, etc. are used to assist the wind field calculation module and processing module to complete the corresponding normal functions.

其中，数字外设模块可包括SPI、UART、计数器、PCA/WDT、SMBus等数据接口，为外部设备提供合适的接口单元；模拟外设模块包括ADC、AMUX等；存储器模块由ROM和RAM组成，完成程序和数据的存储和读取功能；系统时钟模块包含内部时钟单元、外部时钟单元和RTC时钟单元，该模块为芯片的正常运行提供参考时钟；电源管理块为芯片内部各个模块提供稳定可靠的电源。 Among them, the digital peripheral module can include SPI, UART, counter, PCA/WDT, SMBus and other data interfaces to provide suitable interface units for external devices; the analog peripheral module includes ADC, AMUX, etc.; the memory module is composed of ROM and RAM, Complete the storage and reading functions of programs and data; the system clock module includes an internal clock unit, an external clock unit and an RTC clock unit. This module provides a reference clock for the normal operation of the chip; the power management block provides stable and reliable power supply.

通过采用上述本实用新型实施例的芯片可获取高空大气层风速参数和大气层风向参数的解算，克服了现有技术的不足。 By adopting the above-mentioned chip of the embodiment of the present invention, the calculation of the high-altitude atmospheric wind speed parameter and the atmospheric wind direction parameter can be obtained, which overcomes the shortcomings of the prior art.

图2为本实用新型实施例气象探空仪示意图。 Fig. 2 is a schematic diagram of the meteorological radiosonde of the utility model embodiment.

参考图2、气象探空仪包括GNSS模块和风场测量芯片。其中，GNSS模块接收GNSS信号，并根据GNSS信号产生GNSS数据。在本实用新型实施例中为与GNSS模块相配合，进一步包括与GNSS模块相连接以接收GNSS信号的GNSS导航天线。GNSS模块通过GNSS导航天线可接收至少两种GNSS系统的信号，对接收到的信号进行解算从而可产生原始GNSS数据或标准NMEA数据。 Referring to Figure 2, the meteorological radiosonde includes a GNSS module and a wind field measurement chip. Among them, the GNSS module receives GNSS signals and generates GNSS data according to the GNSS signals. In order to cooperate with the GNSS module in the embodiment of the utility model, it further includes a GNSS navigation antenna connected with the GNSS module to receive GNSS signals. The GNSS module can receive signals of at least two GNSS systems through the GNSS navigation antenna, and solve the received signals to generate original GNSS data or standard NMEA data.

风场测量芯片，用于根据所述GNSS数据确定位置信息，并根据所述位置信息确定大气层风速参数和大气层风向参数，并将所述大气层风速参数和所述大气层风向参数按照预定的格式输出。 The wind field measurement chip is used to determine the position information according to the GNSS data, determine the atmospheric wind speed parameter and the atmospheric wind direction parameter according to the position information, and output the atmospheric wind speed parameter and the atmospheric wind direction parameter according to a predetermined format.

作为本实用新型实施例的扩展，本实施例的气象探空仪还包括射频天线模块。射频天线模块可用于将风场测量芯片产生的格式输出的数据以射频形式通过天线发射出去，从而可有相应的地面接收站进行接收。 As an extension of the embodiment of the utility model, the weather sonde of this embodiment further includes a radio frequency antenna module. The radio frequency antenna module can be used to transmit the output data in the form of the wind field measurement chip through the antenna in the form of radio frequency, so that it can be received by the corresponding ground receiving station.

进一步，作为本实用新型实施例的扩展，本实施例的气象探空仪还包括传感器模块，该传感器模块包括温度传感器、湿度传感器、气压传感器中的至少一个。在本实用新型实施例中，传感器模块共包括温度传感器、湿度传感器、 气压传感器的全部，且与传感器模块相配合还配置有传感器调理电路。该温度传感器、湿度传感器、气压传感器分别用于将感测到的温度数据、湿度数据和气压数据通过传感器调理电路输出到风场测量芯片。 Further, as an extension of the embodiment of the present utility model, the meteorological radiosonde of this embodiment further includes a sensor module, and the sensor module includes at least one of a temperature sensor, a humidity sensor, and an air pressure sensor. In the embodiment of the utility model, the sensor module includes all of the temperature sensor, the humidity sensor, and the air pressure sensor, and is also equipped with a sensor conditioning circuit in cooperation with the sensor module. The temperature sensor, humidity sensor, and air pressure sensor are respectively used to output the sensed temperature data, humidity data, and air pressure data to the wind field measurement chip through the sensor conditioning circuit.

同时，作为本实用新型实施例的一部分，本领域技术人员可以知道，该气象探空仪还可包括电源模块，通过电源模块可向气象探空仪的各组成模块提供电源供应，以使得各模块完成各自的工作。 At the same time, as a part of the embodiment of the utility model, those skilled in the art can know that the meteorological sonde can also include a power supply module, through which the power supply can be provided to each component module of the meteorological sonde, so that each module complete their work.

以上实施例提供的技术方案中的部分内容可以通过软件编程实现，其软件程序存储在可读取的存储介质中，存储介质例如：计算机中的硬盘、光盘或软盘。 Part of the technical solutions provided by the above embodiments can be realized by software programming, and the software program is stored in a readable storage medium, such as a hard disk, an optical disk or a floppy disk in a computer.

注意，上述仅为本实用新型的较佳实施例及所运用技术原理。本领域技术人员会理解，本实用新型不限于这里所述的特定实施例，对本领域技术人员来说能够进行各种明显的变化、重新调整和替代而不会脱离本实用新型的保护范围。因此，虽然通过以上实施例对本实用新型进行了较为详细的说明，但是本实用新型不仅仅限于以上实施例，在不脱离本实用新型构思的情况下，还可以包括更多其他等效实施例，而本实用新型的范围由所附的权利要求范围决定。 Note that the above are only preferred embodiments of the present invention and the applied technical principles. Those skilled in the art will understand that the utility model is not limited to the specific embodiments described here, and various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the utility model. Therefore, although the utility model has been described in detail through the above embodiments, the utility model is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the utility model. The scope of the present invention is determined by the appended claims.