CN219590546U

CN219590546U - GNSS-based water vapor ionosphere fusion detection receiver

Info

Publication number: CN219590546U
Application number: CN202322003630.1U
Authority: CN
Inventors: 江雷子; 吕卉; 马柯; 夏兴兵; 吴章; 杨启帆
Original assignee: Shanghai Medo Measurement And Control Science & Technology Co ltd
Current assignee: Shanghai Medo Measurement And Control Science & Technology Co ltd
Priority date: 2023-07-28
Filing date: 2023-07-28
Publication date: 2023-08-25
Anticipated expiration: 2033-07-28

Abstract

The utility model discloses a GNSS-based water vapor ionosphere fusion detection receiver, and belongs to the technical field of sensors; comprising the following steps: the first sensing part comprises a top bracket, an illumination sensor and a rain sensor, wherein the top bracket is connected with an antenna protection cover and forms a containing space, a choke coil antenna is arranged in the containing space, and the rain sensor is arranged on the other side of the top bracket; the second sensing part is arranged below the first sensing part and comprises a fixed plate positioned at the lower part of the top bracket, a wind speed and direction sensor arranged on the fixed plate, a middle plate connected with the fixed plate and a temperature and humidity pressure sensor arranged below the middle plate; the fixed part comprises a bottom bracket provided with a stud and a main control board fixed on the stud, and the main control board comprises a GNSS positioning chip. The beneficial effects of the technical scheme are as follows: and can detect various weather information such as rainfall, illumination, wind speed, wind direction, temperature, humidity, pressure, etc.

Description

GNSS-based water vapor ionosphere fusion detection receiver

Technical Field

The utility model relates to the technical field of sensors, in particular to a GNSS-based water vapor ionosphere fusion detection receiver.

Background

The monitoring of the weather information has very important roles on the economic development of China and the life of people, the weather information comprises rainfall, wind speed, wind direction, temperature, humidity, atmospheric pressure, illumination intensity and the like, and the atmospheric precipitation has important significance on climate change, weather forecast and early warning, global greenhouse effect, satellite earth observation precision and the like.

At present, various atmospheric precipitation inversion technologies such as satellite remote sensing and radio detection exist, but the problems of low space coverage, time sequence deficiency and poor product precision always exist, and the water vapor inversion method based on GNSS (Global Navigation Satellite System, global satellite navigation system) is a method for observing data by using GNSS (Global Navigation Satellite System, global satellite navigation system) to acquire the atmospheric water vapor content, and has the main advantages of high precision, low cost and high space-time resolution.

Disclosure of Invention

The utility model aims to provide a GNSS-based water vapor ionosphere fusion detection receiver, which solves the technical problems; a GNSS-based moisture ionosphere fusion probe receiver comprising: the first sensing part comprises a top support, an illumination sensor and a rainfall sensor, wherein the top support is connected with an antenna protection cover to form an accommodating space, a choke coil antenna is arranged in the accommodating space, the illumination sensor is arranged on one side of the top support, and the rainfall sensor is arranged on the other side of the top support; the second sensing part is arranged below the first sensing part and comprises a fixed plate positioned at the lower part of the top bracket, a wind speed and direction sensor arranged on the fixed plate, a middle plate connected with the fixed plate through a fixed assembly and a temperature, humidity and pressure sensor arranged below the middle plate; the fixed part is arranged below the second sensing part and comprises a bottom bracket provided with a stud and a main control board fixed on the stud, wherein the main control board comprises a GNSS positioning chip, and the GNSS positioning chip is connected with the choke coil antenna.

Preferably, the fixing component is a first bolt; the bottom of intermediate plate with the top support constitutes a cavity structure, cavity structure is the U type.

Preferably, the second sensing portion further includes a second bolt, and the second bolt penetrates through the inside of the shutter support to connect the shutter support, the connecting plate and the middle plate.

Preferably, the shutter support and the connecting plate form a hollow structure.

Preferably, the connection plate is fixed to the bottom bracket by a third bolt.

Preferably, the bottom of the bottom bracket is embedded with an imperial internal threaded hole.

Preferably, the main control board is fixed on the stud through a fourth bolt.

Preferably, the two sides of the bottom bracket are respectively provided with a Beidou short message antenna and a remote communication antenna.

Preferably, the bottom bracket is further provided with a power supply port on the side where the remote communication antenna is located.

Preferably, the main control board comprises: a main control chip; the remote communication module is connected with the remote communication antenna; the wired communication module is connected with the illumination sensor, the rainfall sensor, the wind speed and direction sensor and the temperature, humidity and pressure sensor; the power supply management module is connected with the power supply port; and the Beidou short message chip is connected with the Beidou short message antenna.

The beneficial effects of the utility model are as follows: due to the adoption of the technical scheme, the water vapor ionosphere fusion detection receiver based on the GNSS is provided, and can detect various meteorological information such as rainfall, illumination, wind speed, wind direction, temperature, humidity and pressure and the like.

Drawings

FIG. 1 is a schematic cross-sectional view of the overall structure of the present utility model;

fig. 2 is a topology of the present utility model.

In the accompanying drawings: 110. a choke antenna; 120. an antenna protection cover; 130. an illumination sensor; 140. a rainfall sensor; 150. a top bracket; 210. a fixing plate; 220. wind speed and direction sensor; 230. an intermediate plate; 240. a shutter support; 250. a second bolt; 260. a temperature-humidity-pressure sensor; 270. a connecting plate; 310. a bottom bracket; 320. a main control board; 321. a remote communication module; 322. a wired communication module; 323. a power management module; 324. a GNSS positioning chip; 325. the Beidou short message chip; 330. a stud; 340. the Beidou short message antenna; 350. a power supply port; 360. a telecommunication antenna.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.

A GNSS-based moisture ionosphere fusion probe receiver, as shown in fig. 1 and 2, comprising: the first sensing part comprises a top bracket 150, an illumination sensor 130 and a rainfall sensor 140, wherein the top bracket 150 is connected with an antenna protection cover 120 to form a containing space, a choke antenna 110 is arranged in the containing space, the illumination sensor 130 is arranged on one side of the top bracket 150, and the rainfall sensor 140 is arranged on the other side of the top bracket 150; the second sensing part is arranged below the first sensing part and comprises a fixed plate 210 positioned at the lower part of the top bracket 150, an air speed and direction sensor 220 arranged on the fixed plate 210, an intermediate plate 230 connected with the fixed plate 210 through a fixed component and a temperature, humidity and pressure sensor 260 arranged below the intermediate plate 230; the fixed part is arranged below the second sensing part, the fixed part comprises a bottom bracket 310 provided with a stud 330 and a main control board 320 fixed on the stud 330, the main control board 320 comprises a GNSS positioning chip 324, and the GNSS positioning chip 324 is connected with the choke antenna 110.

Specifically, the utility model provides a GNSS-based water vapor ionosphere fusion detection receiver which is mainly applied to the field of environmental monitoring, solves the problem of less weather information of a conventional water vapor detection receiver, and can detect various weather information such as rainfall, illumination, wind speed, wind direction, temperature, humidity and pressure and the like.

More specifically, various sensors are integrated to monitor the atmospheric rainfall, the illumination intensity, the rain, the temperature, the humidity, the air pressure and the wind speed and direction, the main control board 320 is respectively electrically connected with the choke antenna 110, the illumination sensor 130, the rain sensor 140, the wind speed and direction sensor 220 and the temperature and humidity and pressure sensor 260, the atmospheric rainfall, the illumination intensity, the rain, the temperature, the humidity, the air pressure, the wind speed and the wind direction are monitored, the calculation of the atmospheric rainfall utilizes the choke antenna 110 to receive the carrier wave signals emitted by the global navigation satellite, the refraction of the atmosphere is carried out when the carrier wave signals pass through an atmospheric layer, the delay is introduced into a resolving model as a pending parameter, and the precise atmospheric delay can be resolved together with a positioning parameter by taking the sources and the elimination methods of errors into consideration.

In a preferred embodiment, the securing assembly is a first bolt; the bottom of the middle plate 230 and the top bracket 150 form a cavity structure, which is U-shaped.

In a preferred embodiment, the second sensing portion further includes a second bolt 250, where the second bolt 250 penetrates inside the shutter support 240 to connect the shutter support 240, the connection plate 270 and the middle plate 230, and the second bolt 250 is a long bolt.

In a preferred embodiment, the shutter support 240 and the connection plate 270 form a hollow structure, which is convenient for communication with the atmosphere.

In a preferred embodiment, the connection plate 270 is secured to the bottom bracket 310 by a third bolt.

In a preferred embodiment, the bottom of the bottom bracket 310 is embedded with an internally threaded bore made of english to facilitate mounting on the upright and forced centering plate.

In a preferred embodiment, the main control board 320 is fixed to the stud 330 by a fourth bolt.

In a preferred embodiment, the two sides of the bottom bracket 310 are respectively provided with a Beidou short message antenna 340 and a remote communication antenna 360, the Beidou short message antenna 340 is installed on one side of the bottom bracket 310 obliquely upwards, and the remote communication antenna 360 is installed on the other side of the bottom bracket 310 obliquely upwards.

In a preferred embodiment, the bottom bracket 310 is also provided with a power supply port 350 on the side of the remote communication antenna 360.

In a preferred embodiment, the main control board 320 comprises: a main control chip; a remote communication module 321 connected to the remote communication antenna 360; the wired communication module 322 is connected with the illumination sensor 130, the rainfall sensor 140, the wind speed and direction sensor 220 and the temperature, humidity and pressure sensor 260; the power management module 323 is connected with the power supply port 350; the Beidou short message chip 325 is connected with a Beidou short message antenna 340.

Specifically, the main control board 320 is provided with a remote communication module 321 and a Beidou short message chip 325, data is sent to a server or a cloud platform at a distance in real time through the remote communication module 321 and the remote communication antenna 360, and when the remote communication signal is poor, the Beidou short message chip 325 and the remote communication antenna 360 can be used for sending part of information of equipment.

Further specifically, the atmospheric rainfall is monitored by adopting a GNSS water vapor inversion technology, a carrier signal emitted by a global navigation satellite is delayed by refraction of the atmosphere when passing through an atmospheric layer, the delay is taken as a undetermined parameter to be introduced into a resolving model, the sources and the elimination methods of errors are considered item by item, the precise atmospheric delay can be solved together with a positioning parameter, the total zenith delay Zt of the troposphere is obtained by adopting a double-frequency technology, the total zenith delay of the troposphere can be divided into a static delay Zh and a wet term delay Zw, the static delay Zh is expressed as follows,

wherein P0 is ground air pressure, and the unit is hPa;

wherein lambda is the geographical latitude, H is the altitude, and the unit is km;

the wet term delay Zw is obtained by subtracting the static delay Zh from the total delay Zt, the atmospheric precipitation PW of the site can be calculated by,

wherein ρw is the liquid water density, rv is the gas constant of water vapor, k2' and k3 are experimental constants, tm is the atmospheric weighted average temperature, defined as follows,

pv is the partial pressure of water vapor, T is the temperature, and the atmospheric weighted average temperature Tm and the ground air temperature Ts form a good linear relation:

in practical application, the atmospheric weighted average temperature Tm can be determined through observation of the ground air temperature Ts, and a and b are all the atmospheric weighted average temperature calculation coefficients.

In summary, the utility model provides a GNSS-based water vapor ionosphere fusion detection receiver which is applied to the field of environmental monitoring, and the water vapor ionosphere fusion detection receiver adopts fusion of various meteorological sensors, so that meteorological information is various, and monitoring content is rich; the integrated structure design is adopted, the structure is compact, and the installation and implementation are convenient; the remote communication system is provided with a remote communication module 321 and a Beidou short message module, data are transmitted to a remote server or a cloud platform in real time through the remote communication module 321 and an antenna, and when a remote communication signal is poor, the Beidou short message module and the antenna can be used for transmitting partial information of equipment; the atmospheric rainfall monitoring adopts a GNSS water vapor inversion technology, carrier signals emitted by global navigation satellites are refracted by the atmosphere to delay when passing through an atmosphere layer, the delay is taken as undetermined parameters to be introduced into a solution model, the sources and the elimination of errors are considered item by item, and the precise atmospheric delay can be solved together with positioning parameters.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims

1. A GNSS-based moisture ionosphere fusion probe receiver, comprising: the first sensing part comprises a top support (150), an illumination sensor (130) and a rainfall sensor (140), wherein the top support (150) is connected with an antenna protection cover (120) and forms a containing space, a choke coil antenna (110) is arranged in the containing space, the illumination sensor (130) is arranged on one side of the top support (150), and the rainfall sensor (140) is arranged on the other side of the top support (150); the second sensing part is arranged below the first sensing part and comprises a fixed plate (210) arranged at the lower part of the top bracket (150), a wind speed and direction sensor (220) arranged on the fixed plate (210), an intermediate plate (230) connected with the fixed plate (210) through a fixed assembly and a temperature and humidity pressure sensor (260) arranged below the intermediate plate (230); the fixed part is arranged below the second sensing part and comprises a bottom bracket (310) provided with a stud (330) and a main control board (320) fixed on the stud (330), the main control board (320) comprises a GNSS positioning chip (324), and the GNSS positioning chip (324) is connected with the choke coil antenna (110).

2. The GNSS based moisture ionosphere fusion probe receiver of claim 1, wherein the securing component is a first bolt; the bottom of the middle plate (230) and the top bracket (150) form a cavity structure, and the cavity structure is U-shaped.

3. The GNSS-based moisture ionosphere fusion probe receiver of claim 2, wherein the second sensing portion further includes a second bolt (250), the second bolt (250) passing through the inside of the shutter support (240) connecting the shutter support (240), the connection plate (270) and the intermediate plate (230).

4. The GNSS-based moisture ionosphere fusion probe receiver of claim 3, wherein the louver bracket (240) and the connection plate (270) form a hollowed-out structure.

5. The GNSS based moisture ionosphere fusion probe receiver of claim 4, wherein the web (270) is secured to the bottom bracket (310) by a third bolt.

6. The GNSS-based moisture ionosphere fusion probe receiver of claim 5, wherein a bottom of the bottom bracket (310) is embedded with an imperial internally threaded hole.

7. The GNSS-based moisture ionosphere fusion probe receiver of claim 1, wherein the master control board (320) is secured to the stud (330) by a fourth bolt.

8. The GNSS-based moisture ionosphere fusion probe receiver of claim 6, wherein the two sides of the bottom bracket (310) are provided with a Beidou short message antenna (340) and a telecommunication antenna (360), respectively.

9. The GNSS based moisture ionosphere fusion probe receiver of claim 8, wherein the bottom bracket (310) is further provided with a power supply port (350) on a side where the telecommunication antenna (360) is located.

10. The GNSS-based moisture ionosphere fusion probe receiver of claim 9, wherein the master control board (320) includes: a main control chip; a remote communication module (321) connected to the remote communication antenna (360); the wired communication module (322) is connected with the illumination sensor (130), the rainfall sensor (140), the wind speed and direction sensor (220) and the temperature and humidity pressure sensor (260); a power management module (323) connected to the power supply port (350); and the Beidou short message chip (325) is connected with the Beidou short message antenna (340).