CN111998973A - Waterproof type pressure sensor - Google Patents
Waterproof type pressure sensor Download PDFInfo
- Publication number
- CN111998973A CN111998973A CN202010904480.XA CN202010904480A CN111998973A CN 111998973 A CN111998973 A CN 111998973A CN 202010904480 A CN202010904480 A CN 202010904480A CN 111998973 A CN111998973 A CN 111998973A
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- Prior art keywords
- pressure sensor
- hollow groove
- hollow
- sliding
- sliding plate
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/005—Measuring force or stress, in general by electrical means and not provided for in G01L1/06 - G01L1/22
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/245—Housings for sensors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0627—Protection against aggressive medium in general
- G01L19/0654—Protection against aggressive medium in general against moisture or humidity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0672—Leakage or rupture protection or detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/12—Alarms or signals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
- G01L27/007—Malfunction diagnosis, i.e. diagnosing a sensor defect
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a waterproof pressure sensor, which belongs to the technical field of pressure sensors, and comprises a shell and a pressure sensor body, wherein a first hollow groove is formed in the shell, the pressure sensor body is positioned in the first hollow groove, a second hollow groove is also formed in the shell, a second hollow pipe is connected between the first hollow groove and the second hollow groove, a sliding block is connected in the second hollow groove in a sliding manner, a third hollow groove is also formed in the shell, a first sliding plate is connected in the third hollow groove in a sliding manner, and a limiting rod is fixedly connected to the first sliding plate; the gas bag sealing device is simple in structure and convenient and fast to operate, the function of quick sealing is realized through the mutual matching of the first sliding plate and the second gas bag, the function of quick alarming is realized through the mutual matching of the inductor and the alarm, and the practicability is greatly improved.
Description
Technical Field
The invention relates to the technical field of pressure sensors, in particular to a waterproof pressure sensor.
Background
The pressure sensor is a device or a device which can sense pressure signals and can convert the pressure signals into usable output electric signals according to a certain rule, the pressure sensor is generally composed of a pressure sensing element and a signal processing unit, according to different testing 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 the most common sensor in industrial practice, the pressure sensor is widely applied to various industrial automatic control environments and relates to various industries such as water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, war industry, petrifaction, oil wells, electric power, ships, machine tools, pipelines and the like, some pressure sensors have high environmental requirements, if the sealing is not good, water can enter the inside of the pressure sensor, so that a circuit board inside the pressure sensor is burnt, and the normal work of the pressure sensor is seriously influenced, and the waterproof pressure sensor on the existing market has poor sealing performance and no alarm function.
Disclosure of Invention
The invention aims to solve the problems that the sealing performance is not strong, an alarm function is not provided and the like in the prior art, and provides a waterproof pressure sensor.
In order to achieve the purpose, the invention adopts the following technical scheme:
a waterproof pressure sensor comprises a shell and a pressure sensor body, wherein a first hollow groove is formed in the shell, the pressure sensor body is positioned in the first hollow groove, a second hollow groove is further formed in the shell, a second hollow pipe is connected between the first hollow groove and the second hollow groove, a sliding block is connected in the second hollow groove in a sliding mode, a third hollow groove is further formed in the shell, a first sliding plate is connected in the third hollow groove in a sliding mode, a limiting rod is fixedly connected to the first sliding plate and matched with the sliding block, a first air bag is arranged in the third hollow groove, a third hollow pipe is connected to the first air bag, a second air bag is connected to one end, away from the first air bag, of the third hollow pipe, a second sliding plate is connected in the shell in a sliding mode and attached to the second air bag, the side wall of the first hollow groove is provided with a sealing gasket, and the sealing gasket is attached to the second sliding plate.
Preferably, the bottom of the second hollow groove is provided with an inductor, the inductor is provided with a first spring, and one end of the first spring, which is far away from the inductor, is abutted to the sliding block.
Preferably, an expansion sheet is arranged in the third hollow groove, and a second spring is arranged between the first sliding plate and the side wall of the third hollow groove.
Preferably, a partition plate is fixedly connected in the first hollow groove, and the pressure sensor body is located in the partition plate.
Preferably, the sealing gasket is connected with a working plate in a sliding mode, and the working plate is attached to the pressure sensor body.
Preferably, the bottom of the first hollow groove is connected with a first hollow pipe.
Preferably, a diversion trench is arranged on the sliding block.
Preferably, the bottom of the shell is respectively provided with an alarm and a battery.
Preferably, the alarm is electrically connected with the battery, and the alarm is in signal connection with the sensor.
Compared with the prior art, the invention provides a waterproof pressure sensor, which has the following beneficial effects:
1. this waterproof type pressure sensor, through exerting pressure on to the working plate, the working plate transmits pressure to the pressure sensor body on, in the use, if intake in first hollow groove, rivers can discharge through first hollow tube, when the rivers entered into the pressure sensor body, rivers can get into in the second hollow tube gets into the second hollow groove through the second hollow tube, then get into the third hollow inslot through the guiding gutter, the inflation piece meets water inflation, the inflation piece promotes first sliding plate and removes, first gasbag is extruded to first sliding plate, gas in the first gasbag passes through in the third hollow tube gets into the second gasbag, the inflation of second gasbag promotes the second sliding plate and removes, second sliding plate extrusion seal gasket, improve the leakproofness, prevent further water.
2. This waterproof type pressure sensor, when the expansion piece drives first sliding plate and removes, first sliding plate drives the gag lever post and removes, and the gag lever post removes the back, and the sliding block is under the effect of first spring, upward movement, and the sliding block rebound back, the inductor pressure value diminishes, and the inductor pressure value diminishes the back, and the inductor sends a signal and gives the alarm, and the alarm is reported to the police.
The device has the advantages that the structure is simple, the operation is convenient, the function of quick sealing is realized through the mutual matching of the first sliding plate and the second air bag, the quick alarm function is realized through the mutual matching of the inductor and the alarm, and the practicability is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of a waterproof pressure sensor according to the present invention;
fig. 2 is an enlarged view of a portion a of fig. 1 of a waterproof type pressure sensor according to the present invention;
fig. 3 is an enlarged view of a portion B of fig. 1 of a waterproof type pressure sensor according to the present invention;
fig. 4 is a schematic structural view of a waterproof sliding block of a pressure sensor according to the present invention.
In the figure: 1. a housing; 101. a first hollow groove; 2. a pressure sensor body; 201. a partition plate; 202. a working plate; 203. a first hollow tube; 204. sealing gaskets; 3. a second hollow groove; 301. a second hollow tube; 302. a first spring; 303. an inductor; 304. a slider; 305. a diversion trench; 4. a third hollow groove; 401. a first sliding plate; 402. a limiting rod; 403. an intumescent sheet; 404. a second spring; 5. a first air bag; 501. a third hollow tube; 502. a second air bag; 503. a second sliding plate; 6. an alarm; 601. a battery.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-4, a waterproof pressure sensor comprises a housing 1 and a pressure sensor body 2, a first hollow groove 101 is arranged in the housing 1, the pressure sensor body 2 is positioned in the first hollow groove 101, a second hollow groove 3 is also arranged in the housing 1, a second hollow tube 301 is connected between the first hollow groove 101 and the second hollow groove 3, a sliding block 304 is connected in the second hollow groove 3 in a sliding manner, a third hollow groove 4 is also arranged in the housing 1, a first sliding plate 401 is connected in the third hollow groove 4 in a sliding manner, a limiting rod 402 is fixedly connected on the first sliding plate 401, the limiting rod 402 is matched with the sliding block 304, a first air bag 5 is arranged in the third hollow groove 4, a third hollow tube 501 is connected on the first air bag 5, a second air bag 502 is connected at one end of the third hollow tube 501 far away from the first air bag 5, a second sliding plate 503 is connected in the housing 1 in a sliding, the second sliding plate 503 is attached to the second airbag 502, the side wall of the first hollow channel 101 is provided with a sealing gasket 204, and the sealing gasket 204 is attached to the second sliding plate 503.
The bottom of the second hollow groove 3 is provided with an inductor 303, the inductor 303 is provided with a first spring 302, and one end of the first spring 302 far away from the inductor 303 is abutted to a sliding block 304.
An expansion sheet 403 is arranged in the third hollow groove 4, and a second spring 404 is arranged between the first sliding plate 401 and the side wall of the third hollow groove 4.
A partition 201 is fixedly connected in the first hollow groove 101, and the pressure sensor body 2 is positioned in the partition 201.
The working plate 202 is connected in the sealing gasket 204 in a sliding manner, and the working plate 202 is attached to the pressure sensor body 2.
The bottom of the first hollow groove 101 is connected with a first hollow pipe 203.
The sliding block 304 is provided with a guiding groove 305.
The alarm 6 and the battery 601 are respectively arranged at the bottom of the shell 1.
In the invention, pressure is applied on the working plate 202, the working plate 202 transmits the pressure to the pressure sensor body 2, in the use process, if water enters the first hollow groove 101, water flow can be discharged through the first hollow tube 203, when water flow is prevented from entering the pressure sensor body 2, the water flow can enter the second hollow groove 3 through the second hollow tube 301 and then enter the third hollow groove 4 through the diversion groove 305, the expansion sheet 403 expands when meeting water, the expansion sheet 403 pushes the first sliding plate 401 to move, the first sliding plate 401 pushes the first air bag 5, the gas in the first air bag 5 enters the second air bag 502 through the third hollow tube 501, the second air bag 502 expands to push the second sliding plate 503 to move, and the second sliding plate 503 pushes the sealing gasket 204 to improve the sealing performance and prevent further water from entering.
Example 2:
referring to fig. 1-4, a waterproof pressure sensor comprises a housing 1 and a pressure sensor body 2, a first hollow groove 101 is arranged in the housing 1, the pressure sensor body 2 is positioned in the first hollow groove 101, a second hollow groove 3 is also arranged in the housing 1, a second hollow tube 301 is connected between the first hollow groove 101 and the second hollow groove 3, a sliding block 304 is connected in the second hollow groove 3 in a sliding manner, a third hollow groove 4 is also arranged in the housing 1, a first sliding plate 401 is connected in the third hollow groove 4 in a sliding manner, a limiting rod 402 is fixedly connected on the first sliding plate 401, the limiting rod 402 is matched with the sliding block 304, a first air bag 5 is arranged in the third hollow groove 4, a third hollow tube 501 is connected on the first air bag 5, a second air bag 502 is connected at one end of the third hollow tube 501 far away from the first air bag 5, a second sliding plate 503 is connected in the housing 1 in a sliding, the second sliding plate 503 is attached to the second airbag 502, the side wall of the first hollow channel 101 is provided with a sealing gasket 204, and the sealing gasket 204 is attached to the second sliding plate 503.
The bottom of the second hollow groove 3 is provided with an inductor 303, the inductor 303 is provided with a first spring 302, and one end of the first spring 302 far away from the inductor 303 is abutted to a sliding block 304.
An expansion sheet 403 is arranged in the third hollow groove 4, and a second spring 404 is arranged between the first sliding plate 401 and the side wall of the third hollow groove 4.
A partition 201 is fixedly connected in the first hollow groove 101, and the pressure sensor body 2 is positioned in the partition 201.
The working plate 202 is connected in the sealing gasket 204 in a sliding manner, and the working plate 202 is attached to the pressure sensor body 2.
The bottom of the first hollow groove 101 is connected with a first hollow pipe 203.
The sliding block 304 is provided with a guiding groove 305.
The alarm 6 and the battery 601 are respectively arranged at the bottom of the shell 1.
According to embodiment 1, further, when the expansion piece 403 drives the first sliding plate 401 to move, the first sliding plate 401 drives the limiting rod 402 to move, after the limiting rod 402 moves, the sliding block 304 moves upward under the action of the first spring 302, after the sliding block 304 moves upward, the pressure value of the sensor 303 becomes smaller, after the pressure value of the sensor 303 becomes smaller, the sensor 303 sends a signal to the alarm 6, and the alarm 6 gives an alarm.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A waterproof pressure sensor comprises a shell (1) and a pressure sensor body (2), and is characterized in that a first hollow groove (101) is formed in the shell (1), the pressure sensor body (2) is located in the first hollow groove (101), a second hollow groove (3) is further formed in the shell (1), a second hollow tube (301) is connected between the first hollow groove (101) and the second hollow groove (3), a sliding block (304) is connected in the second hollow groove (3) in a sliding manner, a third hollow groove (4) is further formed in the shell (1), a first sliding plate (401) is connected in the third hollow groove (4) in a sliding manner, a limiting rod (402) is fixedly connected to the first sliding plate (401), the limiting rod (402) is matched with the sliding block (304), a first air bag (5) is arranged in the third hollow groove (4), the air bag structure is characterized in that a third hollow tube (501) is connected to the first air bag (5), one end, far away from the first air bag (5), of the third hollow tube (501) is connected with a second air bag (502), a second sliding plate (503) is connected in the shell (1) in a sliding mode, the second sliding plate (503) is attached to the second air bag (502), a sealing gasket (204) is arranged on the side wall of the first hollow groove (101), and the sealing gasket (204) is attached to the second sliding plate (503).
2. A waterproof pressure sensor according to claim 1, wherein an inductor (303) is arranged at the bottom of the second hollow groove (3), a first spring (302) is arranged on the inductor (303), and one end of the first spring (302) far away from the inductor (303) is abutted to the sliding block (304).
3. A water-proof pressure sensor according to claim 1, characterized in that an expansion sheet (403) is arranged in the third hollow channel (4), and a second spring (404) is arranged between the first sliding plate (401) and the side wall of the third hollow channel (4).
4. A waterproof pressure sensor according to claim 1, wherein a diaphragm (201) is fixedly connected in the first hollow groove (101), and the pressure sensor body (2) is located in the diaphragm (201).
5. A waterproof pressure sensor according to claim 4, characterized in that a working plate (202) is slidably connected to the sealing gasket (204), and the working plate (202) is attached to the pressure sensor body (2).
6. A water-resistant pressure sensor according to claim 1, wherein a first hollow tube (203) is connected to the bottom of the first hollow groove (101).
7. A water-proof pressure sensor according to claim 1, wherein the sliding block (304) is provided with a guiding groove (305).
8. A waterproof pressure sensor according to claim 1, characterised in that the bottom of the housing (1) is provided with an alarm (6) and a battery (601), respectively.
9. A waterproof pressure sensor according to claim 8, characterised in that the alarm (6) is electrically connected to the battery (601), the alarm (6) being in signal communication with the sensor (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010904480.XA CN111998973B (en) | 2020-09-01 | 2020-09-01 | Waterproof type pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010904480.XA CN111998973B (en) | 2020-09-01 | 2020-09-01 | Waterproof type pressure sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111998973A true CN111998973A (en) | 2020-11-27 |
| CN111998973B CN111998973B (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010904480.XA Active CN111998973B (en) | 2020-09-01 | 2020-09-01 | Waterproof type pressure sensor |
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| CN (1) | CN111998973B (en) |
Cited By (2)
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| CN112676476A (en) * | 2021-01-22 | 2021-04-20 | 仙居择栖农业机械有限公司 | Material feeding unit of punching press production motor accessory |
| CN114705346A (en) * | 2022-03-01 | 2022-07-05 | 廖孝君 | Waterproof pressure sensor |
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| Publication number | Publication date |
|---|---|
| CN111998973B (en) | 2021-12-21 |
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