CN215811402U

CN215811402U - Sensor pressure measurement of multistation

Info

Publication number: CN215811402U
Application number: CN202122003815.3U
Authority: CN
Inventors: 许伟; 毕勤
Original assignee: Wuxi Shengmai Electronics Co ltd
Current assignee: Wuxi Shengmai Electronics Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-02-11
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a multi-station sensor pressure detection device which comprises an external support, a limiting rod, a limiting block, a telescopic rod, a first connecting plate and a second connecting plate, wherein the lower end of the external support is fixedly connected with a base body base, the upper surface of the base body base is provided with a base, a test circuit board penetrates through the lower end of the limiting rod, a jig is arranged below the limiting rod, the lower surface of the limiting block is fixedly connected with a jig, the lower end of the telescopic rod is provided with an upper cover, and a jig base body is arranged inside the jig. The utility model designs a fixture which is 5 x 10 distributed and can be used for simultaneously testing 50 sensors, the ceramic substrate can be just embedded into the base, good air tightness can be ensured in the testing process, and the limiting rod, the limiting block and the telescopic rod are adopted to press the testing circuit board and the fixture, so that the good air tightness of the whole system is ensured, the reliability is high, and the automation degree is high.

Description

Sensor pressure measurement of multistation

Technical Field

The utility model relates to the field of sensitive elements and sensors, in particular to a multi-station sensor pressure detection device.

Background

Modern pressure testing devices are common tools for measuring the pressure of gas or liquid in the industrial field, and the pressure testing devices are gradually developed into more stable and reliable technical tools through the continuous efforts of technicians.

In the actual detection process of the existing pressure testing device, the working performance of the sensor cannot be accurate due to the fact that the unique internal structure of the sensor and the types of objects to be measured are too many, on one hand, in the production and manufacturing process of the sensor, the quality of the sensor cannot be guaranteed due to batch production, on the other hand, due to the fact that the pressure range of part of products is large, the quality of the sensor can reach the megaPascals level, and therefore the requirement on the air tightness of the testing device is high, for example, the publication No. CN105067182A discloses a high-stability monocrystalline silicon pressure difference sensor which only carries out nondestructive transmission of pressure through silicone oil so as to realize accurate measurement of pressure difference, and therefore the static pressure performance of the pressure difference sensor is effectively improved, and further the working stability of the pressure difference sensor is improved, and better problems of air tightness of the sensor in the using process and stable testing under a high-pressure environment are not carried out The solution is that.

Therefore, it is necessary to provide a multi-station sensor pressure detecting apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multi-station sensor pressure detection device to solve the problems that in the prior art, the air tightness of a sensor is poor in the using process and the sensor cannot be stably tested in a high-pressure environment.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a sensor pressure measurement of multistation, includes outside support, gag lever post, stopper, telescopic link, first linkage plate and second linkage plate, outside support lower extreme fixedly connected with base member base, base member base upper surface is provided with the base, what the gag lever post lower extreme ran through has test circuit board, the gag lever post below is provided with the tool, the lower fixed surface of stopper is connected with the tool, the lower extreme of telescopic link is provided with the upper cover, the inside of tool is provided with the tool base member, the internally mounted of tool base member has 5 × 10 neatly arranged's sealing washer for ceramic base member just imbeds on the base, has ensured that can keep good gas tightness in the test procedure.

Preferably, the upper end fixedly connected with upper cover of gag lever post, be provided with the stopper under the gag lever post, can furthest keep the gas tightness of operation process.

Preferably, the lower extreme of stopper runs through there are base and tool, the fixed test circuit board that is provided with in top of stopper, the last fixed surface of base is connected with the tool, realizes the supporting use of stopper, base and tool.

Preferably, an upper cover is arranged right above the test circuit board, and a computer and multimeter test system is arranged on the right side of the test circuit board, so that the real-time monitoring of the test system on the pressure is realized.

Preferably, one end of the telescopic rod is provided with a test circuit board, so that the telescopic rod drives the test circuit board to move up and down.

Preferably, a test circuit board is arranged above the jig, and the two ends of the jig are respectively and fixedly connected with gas pipelines through the first connecting plate and the second connecting plate, so that the first connecting plate, the second connecting plate and the gas pipelines can be matched for use.

Preferably, the left end of the gas pipeline is fixedly provided with compressed gas, the lower part of the gas pipeline is provided with a base body base, and a computer and a multimeter test system are arranged above the compressed gas, so that the compressed gas can smoothly enter the gas pipeline.

Preferably, the fixture base body is fixedly connected with the sensor base and the hole inside, so that good air tightness can be kept in the operation process.

Preferably, the inside of sealing washer is fixed and is provided with the sensor base, the inside fixed hole that is provided with of sensor base realizes the pressurization function in hole.

In the technical scheme, the utility model provides the following technical effects and advantages:

1. the utility model can be suitable for products with larger pressure range, and can also carry out more reliable measurement operation even at the megapascal level, and designs a jig which is arranged by 5 x 10 and can be used for testing 50 sensors at the same time, so that the ceramic matrix can be just embedded into the base, and good air tightness can be kept in the testing process, thereby improving the stability of the utility model;

2. the utility model adopts the limiting rod, the limiting block and the telescopic rod to press the test circuit board and the jig, and ensures the air tightness of the whole system again, so that the air tightness of the device is good in the using process.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic perspective view of a test circuit board according to the present invention;

FIG. 3 is a front view of the telescoping pole of the present invention;

FIG. 4 is a side view of the base of the present invention;

FIG. 5 is a top view of a base of the jig of the present invention;

FIG. 6 is a top view of an aperture according to the present invention.

Description of reference numerals: 1. an outer support; 2. a base; 3. a limiting rod; 4. a limiting block; 5. a base; 6. testing the circuit board; 7. a telescopic rod; 8. an upper cover; 9. a jig; 10. a first connector tile; 11. a second connector tile; 12. a gas line; 13. computer and multimeter test systems; 14. compressing the gas; 15. a jig base body; 16. a seal ring; 17. a sensor base; 18. and (4) holes.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The utility model provides a multi-station sensor pressure detection device as shown in figures 1-6, which comprises an external support 1, a limiting rod 3, a limiting block 4, a telescopic rod 7, a first connecting plate 10 and a second connecting plate 11, wherein the lower end of the external support 1 is fixedly connected with a base body base 2, the upper surface of the base body base 2 is provided with a base 5, the lower end of the limiting rod 3 is provided with a test circuit board 6 in a penetrating manner, a jig 9 is arranged below the limiting rod 3, the lower surface of the limiting block 4 is fixedly connected with a jig 9, the lower end of the telescopic rod 7 is provided with an upper cover 8, the inside of the jig 9 is provided with a jig base body 15, the inside of the jig base body 15 is provided with 5/10 regularly arranged sealing rings 16, the upper end of the limiting rod 3 is fixedly connected with the upper cover 8, and the limiting block 4 is arranged right below the limiting rod 3.

A base 5 and a jig 9 are penetrated through the lower end of the limiting block 4, a test circuit board 6 is fixedly arranged above the limiting block 4, the upper surface of the base 5 is fixedly connected with the jig 9, an upper cover 8 is arranged right above the test circuit board 6, a computer and multimeter test system 13 is arranged on the right side of the test circuit board 6, the test circuit board 6 is arranged at one end of the telescopic rod 7, the test circuit board 6 is arranged above the jig 9, gas pipelines 12 are respectively and fixedly connected with two ends of the jig 9 through a first connecting plate 10 and a second connecting plate 11, a compressed gas 14 is fixedly arranged at the left end of the gas pipeline 12, a base body base 2 is arranged below the gas pipeline 12, the computer and multimeter test system 13 is arranged above the compressed gas 14, a sensor base 17 and a hole 18 are fixedly connected inside the jig base body 15, and a sensor base 17 is fixedly arranged inside the sealing ring 16, a hole 18 is fixedly provided inside the sensor base 17.

This practical theory of operation:

referring to the attached drawings 1-6 of the specification, when the device is used, firstly, a worker operating a machine firstly installs the sensor pressure testing device and puts the sensor pressure testing device into a designated position, then presses a starting button to start a program, then compressed gas 14 at two ends of the device is simultaneously injected into a gas pipeline 12, the compressed gas 14 enters a base 5 through the gas pipeline 12 to carry out a series of pressurization operations, and meanwhile, an expansion link 7 starts to play a role, and the expansion link 7 starts to move downwards so that a testing circuit board 6 is tightly attached to a jig 9;

referring to the attached drawings 1-5 of the specification, when the device is used, after the test circuit board 6 is tightly attached to the jig 9, the sealing rings 16, the sensor bases 17 and the holes 18 inside the jig base body 15 are uniformly distributed in 5 × 10, so that the ceramic base body can be just embedded into the base body base 2, good air tightness can be kept in the test process, the device also adopts the ingenious arrangement of the limiting rods 3 and the limiting blocks 4, the air tightness can be kept better in the operation process, and finally, the pressure value can be accurately measured through the computer and multimeter test system 13.

Claims

1. The utility model provides a sensor pressure measurement of multistation, includes external support (1), gag lever post (3), stopper (4), telescopic link (7), first linkage plate (10) and second linkage plate (11), its characterized in that, external support (1) lower extreme fixedly connected with base member base (2), base member base (2) upper surface is provided with base (5), what gag lever post (3) lower extreme ran through has test circuit board (6), gag lever post (3) below is provided with tool (9), the lower fixed surface of stopper (4) is connected with tool (9), the lower extreme of telescopic link (7) is provided with upper cover (8), the inside of tool (9) is provided with tool base member (15), the internally mounted of tool base member (15) has 5 sealing washer (16) of neatly arranging by 10.

2. The multi-station sensor pressure detection device according to claim 1, wherein an upper cover (8) is fixedly connected to the upper end of the limiting rod (3), and a limiting block (4) is arranged right below the limiting rod (3).

3. The multi-station sensor pressure detection device according to claim 2, wherein a base (5) and a jig (9) penetrate through the lower end of the limiting block (4), a test circuit board (6) is fixedly arranged above the limiting block (4), and the jig (9) is fixedly connected to the upper surface of the base (5).

4. The multi-station sensor pressure detection device according to claim 3, wherein an upper cover (8) is arranged right above the test circuit board (6), and a computer and multimeter test system (13) is arranged on the right side of the test circuit board (6).

5. The multi-station sensor pressure detection device according to claim 1, wherein one end of the telescopic rod (7) is provided with a test circuit board (6).

6. The multi-station sensor pressure detection device according to claim 1, wherein a test circuit board (6) is arranged above the jig (9), and two ends of the jig (9) are respectively fixedly connected with a gas pipeline (12) through a first connecting plate (10) and a second connecting plate (11)

7. The multi-station sensor pressure detection device according to claim 5, wherein a compressed gas (14) is fixedly arranged at the left end of the gas pipeline (12), the base body base (2) is arranged below the gas pipeline (12), and the computer and multimeter test system (13) is arranged above the compressed gas (14).

8. The multi-station sensor pressure detection device according to claim 1, wherein the fixture base (15) is fixedly connected with a sensor base (17) and a hole (18).

9. The multi-station sensor pressure detection device according to claim 7, wherein a sensor base (17) is fixedly arranged inside the seal ring (16), and a hole (18) is fixedly arranged inside the sensor base (17).