A pressure sensing device

Abstract

The utility model discloses a pressure sensing device, including shell module and pressure sensing module, the pressure sensing module is built -in the shell module, the shell module includes first casing and second casing, first casing with second casing fixed connection, the inboard of first casing is equipped with first sensing and is placed chamber and the outside of first casing is equipped with first sensing channel and first half mounting end, second half mounting end, first sensing channel with first sensing and placed chamber intercommunication. The utility model discloses a pressure sensing device realizes two kinds of gas pressure's detection simultaneously, promotes the connection stability and leakproofness, and simplifies the installation process.

Description

Technical Field

[0001] This utility model belongs to the field of pressure detection technology, and specifically relates to a pressure sensing device. Background Technology

[0002] Existing pressure sensing devices are mostly single-channel detection structures, which cannot simultaneously detect the pressure of two different gases, resulting in low detection efficiency. Furthermore, the housing connections lack stability and sealing, making them prone to gas leaks that affect detection accuracy. Additionally, the installation and disassembly process is cumbersome and hinders future maintenance. Utility Model Content

[0003] The main purpose of this invention is to provide a pressure sensing device that can simultaneously detect the pressure of two gases, improve connection stability and sealing, and simplify the installation process.

[0004] To achieve the above objectives, this utility model provides a pressure sensing device, including a housing module and a pressure sensing module, wherein the pressure sensing module is built into the housing module, wherein: The outer casing module includes a first casing and a second casing, which are fixedly connected, wherein: The first housing has a first sensor placement cavity on its inner side and a first sensor channel, a first half-mounting end, and a second half-mounting end on its outer side. The first sensor channel and the first sensor placement cavity are connected. The inner side of the second housing is provided with a second sensor placement cavity, and the outer side of the second housing is provided with a second sensor channel, a third half mounting end, and a fourth half mounting end. The second sensor channel and the second sensor placement cavity are connected. The first half mounting end and the third half mounting end are close together and form a first mounting hole, and the second half mounting end and the fourth half mounting end are close together and form a second mounting hole. The pressure sensing module is installed in the first sensing cavity and the second sensing cavity, with the first detection end of the pressure sensing module aligned with the first sensing channel and the second detection end of the pressure sensing module aligned with the second sensing channel.

[0005] As a further preferred embodiment of the above technical solution, the first housing is further provided with a plurality of mounting grooves, and the second housing is provided with a plurality of mounting protrusions, the mounting protrusions being installed one-to-one with the mounting grooves.

[0006] As a further preferred technical solution of the above technical solution, the pressure sensing module is provided with a plurality of transmission pins, and the mounting protrusion is used to tightly install the transmission pins into the mounting groove.

[0007] As a further preferred embodiment of the above technical solution, a first sealing ring is provided between the first housing and the second housing.

[0008] As a further preferred embodiment of the above technical solution, a second sealing ring is provided around the outer periphery of both the first sensing channel and the second sensing channel.

[0009] The beneficial effects of this utility model are as follows: This invention features a dual-sensor channel design, enabling simultaneous detection of the pressure of two different gases and improving detection efficiency. The housing achieves precise positioning through the cooperation of the mounting groove and mounting protrusion, while the sealing ring design enhances connection stability and sealing performance. The mounting hole structure simplifies the device fixing process, facilitating installation and maintenance. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of this utility model.

[0011] Figure 2 This is a schematic diagram of the structure of this utility model.

[0012] Figure 3 This is a cross-sectional view of the present invention.

[0013] The reference numerals in the accompanying drawings include: 10, first housing; 11, first sensor placement cavity; 12, first sensor channel; 13, first half-mounting end; 14, second half-mounting end; 15, mounting groove; 20, second housing; 21, second sensor placement cavity; 22, second sensor channel; 23, third half-mounting end; 24, fourth half-mounting end; 25, mounting protrusion; 26, first mounting hole; 27, second mounting hole; 30, pressure sensing module; 31, transmission pin. Detailed Implementation

[0014] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art. The basic principles of the present invention defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0015] This utility model discloses a pressure sensing device. The specific embodiments of the utility model are further described below with reference to preferred embodiments.

[0016] In the embodiments of this utility model, those skilled in the art will note that the gases and the like involved in this utility model can be considered as prior art.

[0017] Preferred embodiment.

[0018] like Figure 1-3 As shown, this utility model discloses a pressure sensing device, including a housing module and a pressure sensing module, wherein the pressure sensing module is built into the housing module, wherein: The outer casing module includes a first casing 10 and a second casing 20, which are fixedly connected, wherein: The first housing 10 has a first sensor placement cavity 11 on its inner side and a first sensor channel 12 (for introducing the gas to be measured) and a first half mounting end 13 and a second half mounting end 14 on its outer side. The first sensor channel 12 is connected to the first sensor placement cavity 11. The second housing 20 has a second sensor placement cavity 21 on its inner side and a second sensor channel 22 (for introducing the gas to be measured) and a third half mounting end 23 and a fourth half mounting end 24 on its outer side. The second sensor channel 22 is connected to the second sensor placement cavity 21. The first half mounting end 13 and the third half mounting end 23 are close together and form a first mounting hole 26. The second half mounting end 24 and the fourth half mounting end 34 are close together and form a second mounting hole 27 (the first / second mounting holes fix the entire device in a preset position). The pressure sensing module 30 is installed in the first sensing placement cavity 11 and the second sensing placement cavity 21. The first detection end of the pressure sensing module 30 is aligned with the first sensing channel 12 and the second detection end of the pressure sensing module 30 is aligned with the second sensing channel 22 (the first sensing channel and the second sensing channel can simultaneously detect the pressure of two different gases).

[0019] Specifically, the first housing 10 is provided with a plurality of mounting grooves 15, and the second housing 20 is provided with a plurality of mounting protrusions 25, the mounting protrusions 25 being installed one-to-one with the mounting grooves 15.

[0020] More specifically, the pressure sensing module 30 is provided with a plurality of transmission pins 31, and the mounting protrusion 25 is used to tightly mount the transmission pins 31 into the mounting groove 15 (to improve structural stability).

[0021] Furthermore, a first sealing ring (not shown, to improve sealing) is provided between the first housing 10 and the second housing 20.

[0022] Furthermore, a second sealing ring (not shown) is provided around the outer periphery of both the first sensing channel 23 and the second sensing channel 33. This ring can improve the sealing performance and prevent gas leakage when inserted into the pressure measuring pipe.

[0023] It is worth mentioning that the technical features such as gases involved in this utility model patent application should be regarded as prior art. The specific structure, working principle, and possible control methods and spatial arrangement of these technical features can be conventionally selected in the field and should not be regarded as the inventive point of this utility model patent. This utility model patent will not elaborate further.

[0024] For those skilled in the art, modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A pressure sensing device, characterized in that, It includes a housing module and a pressure sensing module, wherein the pressure sensing module is built into the housing module, wherein: The outer casing module includes a first casing and a second casing, which are fixedly connected, wherein: The first housing has a first sensor placement cavity on its inner side and a first sensor channel, a first half-mounting end, and a second half-mounting end on its outer side. The first sensor channel and the first sensor placement cavity are connected. The inner side of the second housing is provided with a second sensor placement cavity, and the outer side of the second housing is provided with a second sensor channel, a third half mounting end, and a fourth half mounting end. The second sensor channel and the second sensor placement cavity are connected. The first half mounting end and the third half mounting end are close together and form a first mounting hole, and the second half mounting end and the fourth half mounting end are close together and form a second mounting hole. The pressure sensing module is installed in the first sensing cavity and the second sensing cavity, with the first detection end of the pressure sensing module aligned with the first sensing channel and the second detection end of the pressure sensing module aligned with the second sensing channel.

2. The pressure sensing device according to claim 1, characterized in that, The first housing is further provided with a plurality of mounting slots, and the second housing is provided with a plurality of mounting protrusions, the mounting protrusions being installed one-to-one with the mounting slots.

3. The pressure sensing device according to claim 2, characterized in that, The pressure sensing module is provided with several transmission pins, and the mounting protrusion is used to tightly install the transmission pins into the mounting groove.

4. The pressure sensing device according to claim 1, characterized in that, A first sealing ring is provided between the first housing and the second housing.

5. A pressure sensing device according to claim 1, characterized in that, Both the first sensing channel and the second sensing channel are provided with a second sealing ring around their outer perimeter.

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