CN220356560U - Multiple output high-precision pressure sensor - Google Patents
Multiple output high-precision pressure sensor Download PDFInfo
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- CN220356560U CN220356560U CN202321843253.6U CN202321843253U CN220356560U CN 220356560 U CN220356560 U CN 220356560U CN 202321843253 U CN202321843253 U CN 202321843253U CN 220356560 U CN220356560 U CN 220356560U
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- fixedly connected
- wall
- pressure sensor
- spring
- pull rod
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- 230000035939 shock Effects 0.000 claims abstract description 16
- 239000006096 absorbing agent Substances 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a multi-output high-precision pressure sensor, which relates to the technical field of sensors and comprises a pressure sensor main body, wherein one end of the pressure sensor main body is fixedly connected with a measuring head, the other end of the pressure sensor main body is fixedly connected with a wiring port, the inner wall of the wiring port is in threaded connection with a connector, and one end of the connector is fixedly connected with a wire. According to the utility model, the first spring, the second spring, the telescopic rod and the rod support are matched, when the device falls, the shock absorber achieves the purpose of shock absorption and buffering through resilience of the first spring and the second spring, achieves the effect of protecting the device and improving the service life of the device, and the third spring, the fourth spring, the first pull rod and the second pull rod are matched, so that dust is prevented from being taken into the device and is convenient to detach, and the effect of improving the measuring accuracy of the device is achieved.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to a high-precision pressure sensor with multiple outputs.
Background
The pressure sensor is a device or apparatus capable of sensing pressure signals and converting the pressure signals into usable output electric signals according to a certain rule, the pressure sensor is generally composed of a pressure sensitive element and a signal processing unit, according to different test pressure types, the pressure sensor can be divided into a gauge pressure sensor, a differential pressure sensor and an absolute pressure sensor, the pressure sensor is widely applied to various industrial self-control environments, and relates to various industries such as water conservancy and hydropower, railway transportation, intelligent building, production self-control, aerospace, military industry, petrochemical industry, oil well, electric power, ships, machine tools, pipelines and the like, is commonly used for cutting off medical infusion and blood transfusion pipelines in the medical field, monitors hose liquid flow and gas flow, ensures normal running of cutting off, and the accuracy is an important performance index of the sensor, and is an important link related to the measurement accuracy of the whole measurement system.
The following problems exist in the prior art:
because current pressure sensor does not have certain anti-drop antidetonation structure, lead to the device when dropping, probably can lead to the internal component impaired to reduced pressure sensor's life, again because current pressure sensor measuring head is hollow, and does not have filtration system, lead to can appear the dust and get into the inside condition of device, thereby influence sensor's measurement accuracy.
Disclosure of Invention
The present utility model provides a variety of output high-precision pressure sensors to solve the problems set forth in the background art described above.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a multiple output high accuracy pressure sensor, includes the pressure sensor main part, the one end fixedly connected with measuring head of pressure sensor main part, the other end fixedly connected with wiring mouth of pressure sensor main part, the inner wall threaded connection of wiring mouth has the connector, the one end fixedly connected with electric wire of connector.
By adopting the technical scheme, the wire connection port and the connector are matched in the scheme, and one end of the wire is connected to the inside of the device in a threaded connection mode.
The technical scheme of the utility model is further improved as follows: the pressure sensor main body comprises a protective shell, wherein the inner wall of the protective shell is fixedly connected with a shock absorber, and one end of the shock absorber is fixedly connected with a pressure device shell.
Adopt above-mentioned technical scheme, adopt the cooperation of protective housing and bumper shock absorber in this scheme, when the pressure apparatus dropped or received external impact force, bumper shock absorber and protective housing played the cushioning effect, protected the internal device of pressure apparatus.
The technical scheme of the utility model is further improved as follows: the inner wall of measuring head has seted up the conical surface, the inner wall movable mounting of conical surface has the filter vat, the pressure guide hole has been seted up to the inner wall of conical surface, the one end in pressure guide hole is provided with the pressure sensing diaphragm, one side fixedly connected with sensing element of pressure sensing diaphragm, the sealing washer has been seted up to the side of sensing element, sensing element's surface fixedly connected with wire two, the one end fixedly connected with circuit board of wire two, the surface fixedly connected with wire one of circuit board, the other end fixedly connected with electric connector of wire one, one side and the electric wire fixed connection of electric connector.
By adopting the technical scheme, the detected pressure is fed back to data by adopting the matching of the sensing diaphragm, the sensing element and the circuit board.
The technical scheme of the utility model is further improved as follows: the shock absorber comprises a rod support, the inner wall of the rod support is fixedly connected with a first spring, one end of the first spring is fixedly connected with a limiting block, the top surface of the limiting block is fixedly connected with a telescopic rod, one end of the telescopic rod is fixedly connected with a first fixing block, the surface of the first fixing block is fixedly connected with a second spring, and the other end of the second spring is fixedly connected with the top surface of the shell of the press.
By adopting the technical scheme, the device adopts the cooperation of the first spring, the second spring, the rod support and the telescopic rod, and when the device is collided or falls, the damping device generates buffering to protect the internal elements of the pressure device.
The technical scheme of the utility model is further improved as follows: the filter vat is including the filter screen, the one end fixedly connected with connecting plate of filter screen, the spout has been seted up to the inner wall of connecting plate, the inner wall fixedly connected with fixed block two of spout, one side fixedly connected with spring three of fixed block two, the one end fixedly connected with pull rod one of spring three, one side fixedly connected with fixture block one of pull rod one, the opposite side fixedly connected with spring four of fixed block two, the one end fixedly connected with pull rod two of spring four, one side fixedly connected with fixture block two of pull rod two.
By adopting the technical scheme, the filter vat is convenient to detach when filtering dust by adopting the matching of the third spring, the fourth spring, the first pull rod and the second pull rod.
The technical scheme of the utility model is further improved as follows: the inner wall of the conical surface is provided with a clamping groove I, the inner wall of the clamping groove I is movably connected with the outer wall of the clamping block I, the inner wall of the conical surface is provided with a clamping groove II, and the inner wall of the clamping groove II is movably connected with the outer wall of the clamping block II.
Adopt above-mentioned technical scheme, adopt draw-in groove one, draw-in groove two, fixture block one and the cooperation of fixture block two in this scheme, with filter vat fixed mounting in the draw-in groove, avoided the dust to get into pressure sensor's inside.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a multi-output high-precision pressure sensor, which adopts the matching of a first spring, a second spring, a telescopic rod and a rod support, and when the device falls, a shock absorber achieves the purpose of shock absorption and buffering through the rebound of the first spring and the second spring, so that the device is protected, and the service life of the device is prolonged.
2. The utility model provides a multi-output high-precision pressure sensor, which adopts the matching of a first clamping block, a second clamping block, a third spring, a fourth spring, a first pull rod and a second pull rod, clamps the first pull rod and the second pull rod to a second fixed block by using a clamp, so that a filter barrel can be easily installed or disassembled, dust is prevented from being taken into the device, and meanwhile, the disassembly is convenient, and the effect of improving the measurement precision of the device is achieved.
Drawings
FIG. 1 is a schematic view of the overall elevation structure of a pressure sensor according to the present utility model;
FIG. 2 is a schematic diagram of the overall cross-sectional structure of the pressure sensor of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;
fig. 4 is an enlarged schematic view of the structure of the present utility model at B.
In the figure: 1. a pressure sensor body; 2. a measuring head; 3. a wiring port; 4. a connector; 5. an electric wire; 11. a protective shell; 12. a damper; 13. a press housing; 14. a pressure-sensitive membrane; 15. a sensor; 16. a seal ring; 17. a circuit board; 18. a first conducting wire; 19. an electrical connector; 20. a second conducting wire; 21. a conical surface; 22. a pressure guiding hole; 23. a filter vat; 24. a clamping groove I; 25. a clamping groove II; 121. a first fixed block; 122. a bar support; 123. a first spring; 124. a limiting block; 125. a telescopic rod; 126. a second spring; 231. a filter screen; 232. a connecting plate; 233. a chute; 234. a second fixed block; 235. a third spring; 236. a first pull rod; 237. a clamping block I; 238. a spring IV; 239. a second pull rod; 240. and a second clamping block.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-4, the utility model provides a multi-output high-precision pressure sensor, one end of a pressure sensor main body 1 is fixedly connected with a measuring head 2, the other end of the pressure sensor main body 1 is fixedly connected with a wiring port 3, the inner wall of the wiring port 3 is in threaded connection with a connector 4, one end of the connector 4 is fixedly connected with a wire 5, the pressure sensor main body 1 comprises a protective shell 11, the inner wall of the protective shell 11 is fixedly connected with a shock absorber 12, one end of the shock absorber 12 is fixedly connected with a pressure shell 13, the inner wall of the measuring head 2 is provided with a conical surface 21, the inner wall of the conical surface 21 is movably provided with a filter vat 23, the inner wall of the conical surface 21 is provided with a pressure guide hole 22, one end of the pressure guide hole is provided with a pressure sensing diaphragm 14, one side of the pressure sensing diaphragm 14 is fixedly connected with a sensing element 15, the side surface of the sensing element 15 is provided with a sealing ring 16, the surface of the sensing element 15 is fixedly connected with a wire two 20, one end of the wire two 20 is fixedly connected with a circuit board 17, the surface of the circuit board 17 is fixedly connected with a wire 18, the other end of the wire 18 is fixedly connected with an electric connector 19, and one side of the electric connector 19 is fixedly connected with the wire 5.
In this embodiment, when the object to be detected enters from one end of the measuring head 2, the object to be detected first passes through the filter vat 23 at the conical surface 21 and filters the external dust, and then enters the pressure guiding hole 22, the pressure sensing diaphragm 14 and the sensing element 15 sense the pressure, the sensing element 15 transmits the information to the circuit board 17 through the second lead wire 20, the circuit board 17 is connected with the electric connector 19 through the first lead wire 18, and the electric connector 19 transmits the information to the information receiving end through the electric wire 5.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the shock absorber 12 includes a rod support 122, the inner wall of the rod support 122 is fixedly connected with a first spring 123, one end of the first spring 123 is fixedly connected with a limiting block 124, the top surface of the limiting block 124 is fixedly connected with a telescopic rod 125, one end of the telescopic rod 125 is fixedly connected with a first fixed block 121, the surface of the first fixed block 121 is fixedly connected with a second spring 126, and the other end of the second spring 126 is fixedly connected with the top surface of the press shell 13.
In this embodiment, when the device is impacted or falls, the protection shell 11 makes the first fixing block 121 drive the telescopic rod 125 to be recovered to the inside of the rod support 122, and meanwhile, the second spring 126 and the first spring 123 rebound after being stressed and contracted, so that the impact force applied to the pressure sensor main body 1 is reduced and slowed down, and the elements inside the pressure sensor main body 1 are protected.
Example 3
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the filter vat 23 includes a filter screen 231, one end fixedly connected with connecting plate 232 of filter screen 231, the spout 233 has been seted up to the inner wall of connecting plate 232, the inner wall fixedly connected with fixed block two 234 of spout 233, one side fixedly connected with spring three 235 of fixed block two 234, one end fixedly connected with pull rod one 236 of spring three 235, one side fixedly connected with fixture block one 237 of pull rod one 236, the opposite side fixedly connected with spring four 238 of fixed block two 234, one end fixedly connected with pull rod two 239 of spring four 238, one side fixedly connected with fixture block two 240 of pull rod two 239, draw-in groove one 24 has been seted up to the inner wall of conical surface 21, the outer wall swing joint of draw-in groove one 24 and fixture block one 237, draw-in groove two 25 has been seted up to the inner wall of conical surface 21, the inner wall of draw-in groove two 25 and the outer wall swing joint of fixture block two 240.
In this embodiment, after the first pull rod 236 and the second pull rod 239 are clamped by the clamp and the filter vat 23 is placed in the pressure guiding hole 22, the clamp is released, at this time, the third spring 235 in the chute 233 pushes the first pull rod 236, the first clamp block 237 is clamped in the first clamping groove 24, and the second clamp block 240 is clamped in the second clamping groove 25 by the second spring 238 pushing the second pull rod 239, so that the filter vat 23 is fixed in the measuring head 2, dust is filtered, dust is prevented from being absorbed into the device, and when the filter vat 23 is detached, only the first pull rod 236 and the second pull rod 239 are clamped by the clamp.
The working principle of the various output high-precision pressure sensors is specifically described below.
As shown in fig. 1-4, when the device is impacted or falls, the protecting shell 11 makes the fixing block 121 drive the telescopic rod 125 to be recovered into the rod support 122, meanwhile, the spring two 126 and the spring one 123 are contracted and then rebound, so that the impact force born by the pressure sensor main body 1 is reduced and slowed down, the elements in the pressure sensor main body 1 are protected, after the filter vat 23 is placed into the pressure guide hole 22 by clamping the pull rod one 236 and the pull rod two 239 with the clamp, the clamp is released, at the moment, the spring three 235 in the chute 233 pushes the pull rod one 236 to clamp the clamp block one 237 in the clamping groove one 24, and the spring four 238 pushes the pull rod two 239 to clamp the clamp block two 240 in the clamping groove two 25, thereby fixing the filter vat 23 in the measuring head 2, dust is filtered, and the filter vat 23 can be prevented from being taken into the device.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. A multiple output high precision pressure sensor comprising a pressure sensor body (1), characterized in that: one end fixedly connected with measuring head (2) of pressure sensor main part (1), the other end fixedly connected with wiring mouth (3) of pressure sensor main part (1), the inner wall threaded connection of wiring mouth (3) has connector (4), the one end fixedly connected with electric wire (5) of connector (4).
2. The multiple output high precision pressure sensor according to claim 1, wherein: the pressure sensor main body (1) comprises a protective shell (11), wherein the inner wall of the protective shell (11) is fixedly connected with a shock absorber (12), and one end of the shock absorber (12) is fixedly connected with a pressure device shell (13).
3. The multiple output high precision pressure sensor according to claim 1, wherein: conical surface (21) has been seted up to the inner wall of measuring head (2), filter vat (23) has been seted up to the inner wall movable mounting of conical surface (21), lead pressure hole (22) have been seted up to the inner wall of conical surface (21), the one end in lead pressure hole is provided with pressure sensing diaphragm (14), one side fixedly connected with sensing element (15) of pressure sensing diaphragm (14), sealing washer (16) have been seted up to the side of sensing element (15), the surface fixedly connected with wire two (20) of sensing element (15), the one end fixedly connected with circuit board (17) of wire two (20), the surface fixedly connected with wire one (18) of circuit board (17), the other end fixedly connected with electric connector (19) of wire one (18), one side and electric wire (5) fixedly connected with of electric connector (19).
4. The multiple output high precision pressure sensor according to claim 2, wherein: the shock absorber (12), shock absorber (12) are including pole support (122), the inner wall fixedly connected with spring (123) of pole support (122), the one end fixedly connected with stopper (124) of spring (123), the top surface fixedly connected with telescopic link (125) of stopper (124), the one end fixedly connected with fixed block (121) of telescopic link (125), the fixed surface of fixed block (121) is connected with spring two (126), the other end of spring two (126) and the top surface fixed connection of pressure equipment shell (13).
5. A multiple output high precision pressure sensor according to claim 3, characterized in that: the filter vat (23) is including filter screen (231), one end fixedly connected with connecting plate (232) of filter screen (231), spout (233) have been seted up to the inner wall of connecting plate (232), inner wall fixedly connected with fixed block two (234) of spout (233), one side fixedly connected with spring three (235) of fixed block two (234), one end fixedly connected with pull rod one (236) of spring three (235), one side fixedly connected with fixture block one (237) of pull rod one (236), the opposite side fixedly connected with spring four (238) of fixed block two (234), one end fixedly connected with pull rod two (239) of spring four (238), one side fixedly connected with fixture block two (240) of pull rod two (239).
6. A multiple output high precision pressure sensor according to claim 3, characterized in that: the inner wall of the conical surface (21) is provided with a clamping groove I (24), the inner wall of the clamping groove I (24) is movably connected with the outer wall of the clamping block I (237), the inner wall of the conical surface (21) is provided with a clamping groove II (25), and the inner wall of the clamping groove II (25) is movably connected with the outer wall of the clamping block II (240).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321843253.6U CN220356560U (en) | 2023-07-13 | 2023-07-13 | Multiple output high-precision pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321843253.6U CN220356560U (en) | 2023-07-13 | 2023-07-13 | Multiple output high-precision pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220356560U true CN220356560U (en) | 2024-01-16 |
Family
ID=89483799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321843253.6U Active CN220356560U (en) | 2023-07-13 | 2023-07-13 | Multiple output high-precision pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220356560U (en) |
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2023
- 2023-07-13 CN CN202321843253.6U patent/CN220356560U/en active Active
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