CN218297476U

CN218297476U - Multi-input wireless pressure transmitter

Info

Publication number: CN218297476U
Application number: CN202222623513.0U
Authority: CN
Inventors: 戴建丰; 甘伟; 齐研科; 杨颖�; 贺喜; 王一先
Original assignee: Chongqing Hezhong Huiran Technology Co ltd
Current assignee: Chongqing Hezhong Huiran Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-13
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to a check out test set technical field, concretely relates to wireless pressure transmitter of multiple input. Including casing, pressure measurement module and controller, the output of pressure measurement module is connected with the input electricity of controller, the pressure measurement module includes first sensing module and second sensing module, outside first sensing module and the second sensing module all located the casing, be connected with the casing. Compared with the prior art, the equipment maintenance is more convenient.

Description

Multi-input wireless pressure transmitter

Technical Field

The utility model relates to a check out test set technical field, concretely relates to wireless pressure transmitter of many inputs.

Background

For monitoring the abnormality of the gas valve, the pressures at the inlet end and the outlet end of the gas valve are usually detected to determine whether the pressures at the inlet end and the outlet end are normal and whether the pressure difference between the two ends is normal, so as to determine the working state of the gas valve.

At present, two mutually independent pressure transmitters are generally required to be adopted for monitoring the pressure of the inlet end and the outlet end of the gas valve, the two ends of the gas valve are respectively provided with a pressure sensor for detecting the pressure of the two ends, equipment redundancy exists in the mode, the cost is higher, and meanwhile, when the equipment is maintained and managed, the equipment at the two ends needs to be respectively maintained and managed, so that the time cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a wireless pressure transmitter of many inputs, the equipment maintenance of being convenient for more.

The utility model provides a basic scheme: the multi-input wireless pressure transmitter comprises a shell, a pressure detection module and a controller, wherein the output end of the pressure detection module is electrically connected with the input end of the controller, the pressure detection module comprises a first sensing module and a second sensing module, and the first sensing module and the second sensing module are arranged outside the shell and connected with the shell and are respectively used for detecting the pressure of the inlet end and the outlet end of a valve.

The utility model discloses a principle and advantage lie in: the first sensing module detects the pressure of the inlet end of the gas valve, the second sensing module detects the pressure of the outlet end of the gas valve, the controller receives the pressures of the inlet end and the outlet end, and the controller judges whether the gas valve works abnormally or not according to the received data. Through with two sensing probe integration on same equipment, need not to set up a plurality of pressure transmitter alone, when carrying out maintenance management to equipment, also only need to carry out maintenance management to single equipment can.

Further, the casing includes upper cover and lower cover, the upper cover can be dismantled with the lower cover and be connected, the lower cover is all located to first sensing module and second sensing module.

The upper cover and the lower cover are detachably connected, the shell can be opened, and internal devices can be overhauled. The first sensing module and the second sensing module are integrated on the lower cover, and wiring is performed between the inside of the lower cover and the controller.

Further, institute first sensing module includes first pressure sensor, first pressure sensor fixed connection is in the lower cover bottom, second sensing module includes second pressure sensor, second pressure sensor locates the lower cover side, still be equipped with the hose between second sensing module and the lower cover, the hose is passed to second pressure sensor's wiring.

First pressure sensor sets up in the lower cover bottom, earlier sets up first pressure sensor in the entrance point of gas valve during the installation, is equipped with the hose between second sensing module and the lower cover, and the wiring passes hose connection controller and second pressure sensor, and the hose protects the wiring to can be crooked at will, thereby can adjust second pressure sensor's mounted position at will, be applicable to the gas valve of different models.

Further, the second sensing module still includes the aviation head, the output of aviation head is connected with the input electricity of controller, the input of aviation head is connected with second pressure sensor's output electricity, the one end fixed connection of aviation head is in the lower cover side, the other end and the hose connection of aviation head, the other end and the second pressure sensor of hose are connected.

The second pressure sensor and the controller are connected through the aerial head, and the purposes of quick connection and separation can be achieved.

The intelligent terminal further comprises a reporting button, a communication module and a cloud platform, wherein the reporting button is arranged on the lower cover, the output end of the reporting button is electrically connected with the input end of the controller, the input end of the communication module is electrically connected with the output end of the controller, and the communication module is connected with the cloud platform through a network.

When the gas valve works abnormally, the reporting button is pressed, the controller reports the abnormality to the cloud platform through the communication module, and therefore workers can know the abnormality in time.

Further, the power supply module is further included and used for providing power.

And supplying power to the equipment through the power module.

Furthermore, a waterproof vent valve is arranged on the shell.

Through waterproof ventilation valve, the atmospheric pressure inside and outside the balanced casing prevents simultaneously that steam from getting into and causing the influence to the device in the casing.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the multiple input wireless pressure transmitter of the present invention;

FIG. 2 is an exploded view of an embodiment of the multiple input wireless pressure transmitter of the present invention;

FIG. 3 is a schematic bottom view of the embodiment of the multi-input wireless pressure transmitter of the present invention;

fig. 4 is a logic block diagram of an embodiment of the multi-input wireless pressure transmitter of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

the reference numbers in the drawings of the specification include: the sensor comprises an upper cover 1, a lower cover 2, a first sensing module 3, a first pressure sensor 31, a first probe PCBA, a second sensing module 4, a second pressure sensor 41, a second probe PCBA, an adapter 42, a gram head 43, a wiring 44, a hose 45, an aviation head 46, a collecting plate 5 and a battery 6.

The embodiment is substantially as shown in figures 1 and 4:

the multi-input wireless pressure transmitter comprises a shell, a first sensing module 3 and a second sensing module 4, wherein the shell comprises an upper cover 1 and a lower cover 2, and the upper cover 1 and the lower cover 2 are detachably connected. The first sensing module 3 and the second sensing module 4 are arranged on the lower cover 2, the first sensing module 3 is arranged at the bottom of the lower cover 2, and the second sensing module 4 is arranged on the side surface of the lower cover 2.

As shown in fig. 2, a collecting plate 5 is disposed in the casing, in this embodiment, the collecting plate 5 is preferably an AD7792BRUZ and a peripheral circuit thereof, in this embodiment, the collecting plate 5 is connected to the bottom of the lower cover 2 through a tapping screw, and a controller is integrated on the collecting plate 5, in this embodiment, the controller is preferably an STM32L073RZT6 chip and a peripheral circuit thereof, when power is supplied externally, multiple paths of data are collected through a digital interface, an input end of the controller is electrically connected to output ends of the first sensing module 3 and the second sensing module 4, the controller acquires pressures at an inlet end and an outlet end of the gas valve from the first sensing module 3 and the second sensing module 4, and determines whether the gas valve works abnormally according to the detected pressures and a pressure difference at two ends, and in this embodiment, the controller is preferably an STM 32-series single chip microcomputer.

First sensing module 3 is including first pressure sensor 31,

first pressure sensor

31 and 2 bottom fixed connection of lower cover, and the circular port has been seted up to the bottom of lower cover 2 for install first pressure sensor 31, first probe PCBA312 on the first pressure sensor 31 and collection board 5 wiring completion electricity are connected.

The second sensing module 4 comprises a second pressure sensor 41 and an aviation head 46, a hose 45 is connected between the second pressure sensor 41 and the aviation head, the hose 45 is preferably a stainless steel hose in this embodiment, an output end of the aviation head 46 is electrically connected with the controller, and an input end of the aviation head 46 is electrically connected with the second pressure sensor 41. Specifically, the second pressure sensor 41 is connected with a flange 43 through an adapter 42, the flange 43 is connected with one end of a hose 45, and a connection 44 of a second probe PCBA412 on the second pressure sensor 41 penetrates through the hose 45 and is electrically connected with the aircraft head 46. The male head of the aviation head 46 is connected to the side of the lower cover 2, and the female head of the aviation head 46 is connected to one end of the hose 45 and connected with the wiring 44 in the hose 45, so that the electrical connection between the second sensing module 4 and the controller is completed. The first pressure sensor 31 and the second pressure sensor 32 in the present embodiment are preferably PTL403 pressure sensors.

The intelligent controller is characterized by further comprising a communication module, the input end of the communication module is electrically connected with the output end of the controller, the communication module is further connected with a cloud platform through a network, and the controller is further used for sending pressure data detected by the first pressure sensor 31 and the second pressure sensor 41 to the cloud platform through the communication module.

In addition, the acquisition board 5 is also electrically connected with a 485 interface and a plurality of paths of 4-20ma analog outputs through wiring, so that external equipment can acquire pressure data detected by pressure conveniently.

A power module is further arranged in the housing, and the power module comprises a battery cover 61 and a battery 6, preferably a lithium battery in the embodiment, and specifically an ER34615+ SPC1520 capacitive power system.

As shown in fig. 3, the bottom of the lower cover 2 is further provided with a reporting button 7 and a waterproof vent valve 8. The intelligent terminal comprises a controller, a report button 7, a communication module and a cloud platform, wherein the output end of the report button is electrically connected with the input end of the controller, the input end of the communication module is electrically connected with the output end of the controller, the communication module is connected with the cloud platform through a network, and the communication module is preferably a 4G communication module in the embodiment. In this embodiment, the report button is a K2-6639DP-B4SW-04 button. And reporting the acquired data to the cloud platform by pressing a reporting button.

The above are merely examples of the present invention, and common general knowledge of known specific structures and characteristics of the embodiments is not described herein, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The wireless pressure transmitter of many inputs, its characterized in that: including casing, pressure measurement module and controller, the output of pressure measurement module is connected with the input electricity of controller, the pressure measurement module includes first sensing module and second sensing module, outside first sensing module and the second sensing module all located the casing, be connected with the casing, be used for detecting the pressure of valve entrance point and exit end respectively.

2. The multiple-input wireless pressure transmitter of claim 1, wherein: the shell comprises an upper cover and a lower cover, the upper cover is detachably connected with the lower cover, and the lower cover is respectively provided with the first sensing module and the second sensing module.

3. The multiple-input wireless pressure transmitter of claim 2, wherein: the first sensing module comprises a first pressure sensor, the first pressure sensor is fixedly connected to the bottom of the lower cover, the second sensing module comprises a second pressure sensor, the second pressure sensor is arranged on the side face of the lower cover, a hose is further arranged between the second sensing module and the lower cover, and a wiring of the second pressure sensor penetrates through the hose.

4. The multiple-input wireless pressure transmitter of claim 3, wherein: the second sensing module further comprises an aerial head, the output end of the aerial head is electrically connected with the input end of the controller, the input end of the aerial head is electrically connected with the output end of the second pressure sensor, one end of the aerial head is fixedly connected to the side face of the lower cover, the other end of the aerial head is connected with the hose, and the other end of the hose is connected with the second pressure sensor.

5. The multiple-input wireless pressure transmitter of claim 4, wherein: the intelligent terminal comprises a controller, and is characterized by further comprising a reporting button, a communication module and a cloud platform, wherein the reporting button is arranged on the lower cover, the output end of the reporting button is electrically connected with the input end of the controller, the input end of the communication module is electrically connected with the output end of the controller, and the communication module is in network connection with the cloud platform.

6. The multiple-input wireless pressure transmitter of claim 5, wherein: the power supply module is used for providing power.

7. The multiple-input wireless pressure transmitter of claim 1, wherein: the shell is also provided with a waterproof vent valve.