CN111649868A - Pressure sensor with double air inlet pipe structures - Google Patents
Pressure sensor with double air inlet pipe structures Download PDFInfo
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- CN111649868A CN111649868A CN202010549902.6A CN202010549902A CN111649868A CN 111649868 A CN111649868 A CN 111649868A CN 202010549902 A CN202010549902 A CN 202010549902A CN 111649868 A CN111649868 A CN 111649868A
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- plate
- cylinder
- pressure sensor
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- connecting rod
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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
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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
- G01L19/0007—Fluidic connecting means
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/08—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the flexible-diaphragm type
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a pressure sensor with a double air inlet pipe structure, belongs to the technical field of sensors, solves the problems that the pressure of only one device can be detected after the existing sensor is installed and the efficiency is low, and has the technical key points that: the utility model discloses an outer shell, the inside cylinder groove that is equipped with of shell, cylinder tank bottom is equipped with the silicon ring, the silicon ring bottom is equipped with the silicon diaphragm, the shell is inside to be divided into high-pressure chamber and low pressure chamber through the silicon diaphragm, shell top left side is equipped with left entry, shell top right side is equipped with right entry, left side entry and right entry all communicate with the cylinder groove, the cylinder inslot is equipped with the regulator, through left entry and right entry, pass through the cylinder groove with the gas flow and discharge from the export through the silicon diaphragm, utilize the effect of gas to the silicon diaphragm, detect pressure, utilize opening and closing of regulator can control left entry and right entry, the free control of pressure sensor entry has been realized, the detection efficiency is improved, the effect that possesses free control and high-efficient detection.
Description
Technical Field
The invention relates to the field of sensors, in particular to a pressure sensor with a double air inlet pipe structure.
Background
A Pressure Transducer is a device or apparatus that senses a Pressure signal and converts the Pressure signal into a usable output electrical signal according to a certain rule. A pressure sensor is usually composed of a pressure sensitive element and a signal processing unit. Pressure sensors can be classified into gauge pressure sensors, differential pressure sensors, and absolute pressure sensors according to different types of test pressures. The pressure sensor is the most common sensor in industrial practice, is widely applied to various industrial automatic control environments, relates to water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, military industry, petrochemical industry, oil wells, electric power, ships, machine tools, pipelines and other industries, and simply introduces the principles and the applications of some common sensors. In addition, a medical pressure sensor is arranged.
The pressure that can only detect a device after current pressure sensor installation, need to install again after dismantling pressure sensor to the pressure of different devices, detect again, perhaps all install pressure sensor to every device that needs to detect, this kind of detection mode not only wastes time and energy, has reduced detection efficiency, but also has increased pressure sensor's a large amount of uses, can not reasonable utilization resource, simultaneously, has still increased installer and measurement personnel's work burden.
Therefore, it is desirable to provide a pressure sensor with a dual intake pipe structure, which is aimed at solving the above problems.
Disclosure of Invention
In view of the shortcomings in the prior art, an embodiment of the present invention is directed to a pressure sensor with a dual intake pipe structure, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a pressure sensor of two inlet tube structures, includes the shell, the inside cylinder groove that is equipped with of shell, cylinder tank bottoms portion is equipped with the silica ring, silica ring bottoms portion is equipped with the silica membrane piece, the shell is inside to be divided into high-pressure chamber and low pressure chamber through the silica membrane piece, shell top left side is equipped with left entry, shell top right side is equipped with right entry, left side entry and right entry all communicate with the cylinder groove, the cylinder inslot is equipped with the regulator, utilizes left entry and right entry switch-on external passageway that needs to detect pressure, utilizes the effect of atmospheric pressure to the silica membrane piece, detects pressure.
According to a further scheme of the invention, the regulator comprises a semicircular hollow plate, a cylinder, an extension plate, a semicircular solid plate, a cylindrical rod and a connecting rod, the semicircular hollow plate is arranged in a cylindrical groove, the interior of the semicircular hollow plate is of a hollow structure, the semicircular solid plate is placed in the semicircular hollow plate, the top of the semicircular hollow plate is connected with the cylinder, the cylindrical rod is arranged in the cylinder, the bottom of the cylindrical rod is connected with the semicircular solid plate, the top of the cylinder is connected with the extension plate, the connecting rod is arranged above the extension plate, and one end of the connecting rod is connected with the top of the cylindrical rod.
When the left inlet needs to be closed and the right inlet needs to be opened, the stretching plate and the connecting rod only need to be rotated, the bottom of the stretching plate and the bottom of the connecting rod respectively and correspondingly connected with the semicircular hollow plate and the semicircular solid plate can rotate to the bottom of the left inlet, so that the left inlet is closed, and the right inlet is opened; when the right inlet is required to be closed and the left inlet is required to be opened, the extension plate and the connecting rod are rotated, the bottom parts of the extension plate and the connecting rod respectively and correspondingly connected with the semicircular hollow plate and the semicircular solid plate can rotate to the bottom part of the right inlet, and the right inlet is closed and the left inlet is opened; when the device is not needed to be used, the stretching plate is rotated to enable the semicircular hollow plate to be screwed to the bottom of the left inlet, the connecting rod is rotated to enable the semicircular solid plate to be screwed to the bottom of the right inlet, the left inlet and the right inlet are closed, and external dust is prevented from entering the device and affecting the pressure detection precision of the device; utilize the semicircle hollow plate simultaneously and stretch out the board homonymy and semicircle solid slab and connecting rod homonymy, can assist the user to observe the rotational position of semicircle hollow plate and semicircle solid slab, improve the effect that switches on of device.
As a further scheme of the invention, an outlet is formed in the center of the bottom of the shell, the outlet is communicated with the low-pressure cavity, leads are symmetrically arranged at the bottom of the shell and are connected with the silicon ring, the gas entering the device can be led out by using the outlet, the forming of the low-pressure cavity is maintained, the pressure detection is assisted, the deformation of the silicon diaphragm at the bottom of the silicon ring can be transmitted by using the leads, and the output of a pressure value is assisted.
As a further scheme of the invention, a first through hole is formed in the center of the top of the shell and is positioned on the outer side of the cylinder, and a worker can operate the regulator outside the device by utilizing the first through hole.
As a further scheme of the invention, a second through hole is formed in the center of the bottom of the cylindrical groove and is positioned above the silicon diaphragm, and the gas in the cylindrical groove can be guided into the high-pressure cavity by utilizing the second through hole to extrude the silicon diaphragm.
As a further scheme of the invention, an L-shaped protruding block is arranged above the protruding plate, the connecting rod and the protruding plate form a large rectangular block, and the connecting rod and the protruding plate can synchronously move to realize the opening of the left opening and the closing of the right opening, or the closing of the left opening and the opening of the right opening; meanwhile, the connecting rod can be independently rotated to simultaneously close the left opening and the right opening.
As a further scheme of the invention, the top of the shell is connected with the upper cover through a hinge, the upper cover is a square buckle cover, the upper cover is positioned at the outer sides of the extension plate and the connecting rod, the extension plate and the connecting rod can be wrapped inside by the square buckle cover, and the extension plate and the connecting rod can be prevented from abnormally rotating when not in use.
In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:
according to the invention, gas flows through the cylindrical groove through the left inlet and the right inlet, is discharged from the outlet through the silicon diaphragm, and the opening and closing of the left inlet and the right inlet can be controlled by using the regulator, so that the free control of the inlet of the pressure sensor is realized, and the effects of free control and efficient detection are achieved.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a plan view of the regulator in embodiment 1 of the invention.
Fig. 3 is a front view of the regulator in embodiment 1 of the invention.
Fig. 4 is an expanded view of the regulator in embodiment 1 of the invention.
Fig. 5 is a schematic structural diagram of embodiment 2 of the present invention.
Reference numerals: 1-shell, 2-high pressure cavity, 3-low pressure cavity, 4-silicon ring, 5-silicon diaphragm, 6-outlet, 7-lead, 8-left inlet, 9-right inlet, 10-cylindrical groove, 11-regulator, 12-semi-circular hollow plate, 13-cylinder, 14-extension plate, 15-semi-circular solid plate, 16-cylindrical rod, 17-connecting rod, 18-hinge, 19-upper cover, 20-first through hole and 21-second through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Example 1
Referring to fig. 1 to 4, a pressure sensor with a double air inlet pipe structure comprises a housing 1, a cylindrical groove 10 is arranged inside the housing 1, a silicon ring 4 is arranged at the bottom of the cylindrical groove 10, a silicon diaphragm 5 is arranged at the bottom of the silicon ring 4, the housing 1 is divided into a high-pressure cavity 2 and a low-pressure cavity 3 through the silicon diaphragm 5, a left inlet 8 is arranged on the left side of the top of the housing 1, a right inlet 9 is arranged on the right side of the top of the housing 1, the left inlet 8 and the right inlet 9 are both communicated with the cylindrical groove 10, a regulator 11 is arranged in the cylindrical groove 10, the left inlet 8 and the right inlet 9 are used for communicating an external channel needing to detect pressure, and the pressure is detected by utilizing the effect of air pressure on the silicon diaphragm 5.
When the left inlet 8 needs to be closed and the right inlet 9 needs to be opened, the extending plate 14 and the connecting rod 17 only need to be rotated, the bottom of the semi-circular hollow plate 12 and the semi-circular solid plate 15 which are correspondingly connected with each other respectively can rotate to the bottom of the left inlet 8, the closing of the left inlet 8 is realized, and the opening of the right inlet 9 is realized; when the right inlet 9 needs to be closed and the left inlet 8 needs to be opened, the extension plate 14 and the connecting rod 17 are rotated, the bottom parts of the extension plate and the connecting rod respectively and correspondingly connected with the semicircular hollow plate 12 and the semicircular solid plate 15 can rotate to the bottom part of the right inlet 9, and the closing of the right inlet 9 and the opening of the left inlet 8 are realized; when the device is not needed, the semi-circular hollow plate 12 is screwed to the bottom of the left inlet 8 by rotating the extension plate 14, and the semi-circular solid plate 15 is screwed to the bottom of the right inlet 9 by rotating the connecting rod 17, so that the left inlet 8 and the right inlet 9 are closed, and external dust is prevented from entering the device to influence the pressure detection precision of the device; simultaneously, the semicircular hollow plate 12 and the extension plate 14 are arranged at the same side, and the semicircular solid plate 15 and the connecting rod 17 are arranged at the same side, so that a user can be assisted to observe the rotating positions of the semicircular hollow plate 12 and the semicircular solid plate 15, and the conduction effect of the device is improved.
The outlet 6 is formed in the center of the bottom of the shell 1, the outlet 6 is communicated with the low-pressure cavity 3, the leads 7 are symmetrically arranged at the bottom of the shell 1, the leads 7 are connected with the silicon ring 4, the gas entering the device can be guided out by the aid of the outlet 6, the low-pressure cavity 3 is maintained to be formed, the detection of auxiliary pressure is achieved, the deformation of the silicon diaphragm 5 at the bottom of the silicon ring 4 can be transmitted by the aid of the leads 7, and the auxiliary pressure value is output.
The center of the top of the shell 1 is provided with a first through hole 20, the first through hole 20 is positioned outside the cylinder 13, and a worker operates the regulator 11 outside the device through the first through hole 20.
The center of the bottom of the cylindrical groove 10 is provided with a second through hole 21, the second through hole 21 is positioned above the silicon diaphragm 5, and the second through hole 21 can guide the gas in the cylindrical groove 10 into the high-pressure cavity 2 to extrude the silicon diaphragm 5.
Preferably, in this embodiment, an "L" shaped protruding block is disposed above the protruding plate 14, the connecting rod 17 and the protruding plate 14 form a large rectangular block, and the connecting rod 17 and the protruding plate 14 can move synchronously to open the left opening and close the right opening, or close the left opening and open the right opening; meanwhile, the connecting rod 17 can be rotated alone to close the left and right openings at the same time.
Example 2
Referring to fig. 1 to 5, in embodiment 1, the pressure sensor with a dual intake tube structure includes a housing 1, a cylindrical groove 10 is disposed inside the housing 1, a silicon ring 4 is disposed at the bottom of the cylindrical groove 10, a silicon diaphragm 5 is disposed at the bottom of the silicon ring 4, the inside of the housing 1 is divided into a high pressure chamber 2 and a low pressure chamber 3 by the silicon diaphragm 5, a left inlet 8 is disposed on the left side of the top of the housing 1, a right inlet 9 is disposed on the right side of the top of the housing 1, the left inlet 8 and the right inlet 9 are both communicated with the cylindrical groove 10, a regulator 11 is disposed in the cylindrical groove 10, the left inlet 8 and the right inlet 9 are used to communicate with an external channel requiring pressure detection, and pressure is detected by using the effect of air pressure on the silicon diaphragm 5.
When the left inlet 8 needs to be closed and the right inlet 9 needs to be opened, the extending plate 14 and the connecting rod 17 only need to be rotated, the bottom of the semi-circular hollow plate 12 and the semi-circular solid plate 15 which are correspondingly connected with each other respectively can rotate to the bottom of the left inlet 8, the closing of the left inlet 8 is realized, and the opening of the right inlet 9 is realized; when the right inlet 9 needs to be closed and the left inlet 8 needs to be opened, the extension plate 14 and the connecting rod 17 are rotated, the bottom parts of the extension plate and the connecting rod respectively and correspondingly connected with the semicircular hollow plate 12 and the semicircular solid plate 15 can rotate to the bottom part of the right inlet 9, and the closing of the right inlet 9 and the opening of the left inlet 8 are realized; when the device is not needed, the semi-circular hollow plate 12 is screwed to the bottom of the left inlet 8 by rotating the extension plate 14, and the semi-circular solid plate 15 is screwed to the bottom of the right inlet 9 by rotating the connecting rod 17, so that the left inlet 8 and the right inlet 9 are closed, and external dust is prevented from entering the device to influence the pressure detection precision of the device; simultaneously, the semicircular hollow plate 12 and the extension plate 14 are arranged at the same side, and the semicircular solid plate 15 and the connecting rod 17 are arranged at the same side, so that a user can be assisted to observe the rotating positions of the semicircular hollow plate 12 and the semicircular solid plate 15, and the conduction effect of the device is improved.
Different from the embodiment 1, the top of the housing 1 is connected with an upper cover 19 through a hinge 18, the upper cover 19 is a square buckle cover, the upper cover 19 is positioned at the outer side of the extension plate 14 and the connecting rod 17, the extension plate 14 and the connecting rod 17 can be wrapped inside by the square buckle cover, and the extension plate 14 and the connecting rod 17 can be prevented from rotating abnormally when not in use.
The rest of the structure of this example is the same as example 1.
The working principle of the invention is as follows:
through left entry 8 and right entry 9, discharge from export 6 through silicon diaphragm 5 with gas flow through cylindrical groove 10, utilize regulator 11 can control opening and closing of left entry 8 and right entry 9, realized the free control of pressure sensor entry, possess the effect of free control and high-efficient detection.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a pressure sensor of two inlet tube structures, includes shell (1), its characterized in that, shell (1) inside is equipped with cylinder groove (10), cylinder groove (10) bottom is equipped with silicon ring (4), silicon ring (4) bottom is equipped with silicon diaphragm (5), shell (1) is inside to be divided into high pressure chamber (2) and low pressure chamber (3) through silicon diaphragm (5), shell (1) top left side is equipped with left side entry (8), shell (1) top right side is equipped with right side entry (9), left side entry (8) and right side entry (9) all communicate with cylinder groove (10), be equipped with regulator (11) in cylinder groove (10).
2. The pressure sensor of a dual intake pipe structure according to claim 1, the regulator (11) comprises a semicircular hollow plate (12), a cylinder (13), an extension plate (14), a semicircular solid plate (15), a cylindrical rod (16) and a connecting rod (17), a semi-circular hollow plate (12) is arranged in the cylindrical groove (10), the interior of the semi-circular hollow plate (12) is of a hollow structure, a semi-circular solid plate (15) is arranged in the semi-circular hollow plate (12), the top of the semi-circular hollow plate (12) is connected with the cylinder (13), a cylindrical rod (16) is arranged in the cylinder (13), the bottom of the cylindrical rod (16) is connected with a semi-circular solid plate (15), the top of the cylinder (13) is connected with an extension plate (14), a connecting rod (17) is arranged above the extension plate (14), one end of the connecting rod (17) is connected with the top of the cylindrical rod (16).
3. The pressure sensor with the double air inlet pipe structure as claimed in claim 2, wherein an outlet (6) is formed in the center of the bottom of the casing (1), the outlet (6) is communicated with the low-pressure cavity (3), leads (7) are symmetrically arranged at the bottom of the casing (1), and the leads (7) are connected with the silicon ring (4).
4. The pressure sensor with double air inlet pipe structure as claimed in claim 3, wherein a first through hole (20) is opened at the center of the top of the housing (1), and the first through hole (20) is located outside the cylinder (13).
5. The pressure sensor with double air inlet pipe structure as claimed in claim 4, wherein a second through hole (21) is opened at the bottom center of the cylindrical groove (10), and the second through hole (21) is located above the silicon diaphragm (5).
6. The pressure sensor of the double air inlet pipe structure as claimed in claim 2, wherein an "L" shaped protruding block is provided above the protruding plate (14), and the connecting rod (17) and the protruding plate (14) constitute a large rectangular block.
7. The pressure sensor with double air inlet pipe structure as claimed in claim 5, wherein the top of the housing (1) is connected with an upper cover (19) through a hinge (18), the upper cover (19) is a square buckle cover, and the upper cover (19) is positioned outside the extension plate (14) and the connecting rod (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010549902.6A CN111649868A (en) | 2020-06-16 | 2020-06-16 | Pressure sensor with double air inlet pipe structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010549902.6A CN111649868A (en) | 2020-06-16 | 2020-06-16 | Pressure sensor with double air inlet pipe structures |
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| Publication Number | Publication Date |
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| CN111649868A true CN111649868A (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010549902.6A Pending CN111649868A (en) | 2020-06-16 | 2020-06-16 | Pressure sensor with double air inlet pipe structures |
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| Country | Link |
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| CN (1) | CN111649868A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014627A (en) * | 2022-05-31 | 2022-09-06 | 武汉新烽光电股份有限公司 | High-precision atmospheric pressure sensor |
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| US20140158215A1 (en) * | 2012-12-12 | 2014-06-12 | Festo Ag & Co. Kg | Valve Device, Valve Assembly and Method for Calibrating a Valve Assembly |
| CN104729783A (en) * | 2013-12-20 | 2015-06-24 | 西安瑞驰信息技术有限公司 | Long-life and high-reliability pressure sensor adopting novel sealing element |
| CN104870342A (en) * | 2012-12-20 | 2015-08-26 | 汉高股份有限及两合公司 | Switch for a fuel |
| CN106989851A (en) * | 2017-05-05 | 2017-07-28 | 芜湖市海联机械设备有限公司 | A kind of force snesor |
| CN108291657A (en) * | 2015-11-20 | 2018-07-17 | 三菱电机株式会社 | Valve gear and conditioner |
| CN209623937U (en) * | 2019-04-23 | 2019-11-12 | 武汉盛世金安安全科技有限公司 | A kind of piezoresistive pressure sensor |
| CN110686099A (en) * | 2019-09-27 | 2020-01-14 | 曼彻彼斯高新技术有限公司 | Pneumatic logistics three-position four-way reversing valve |
-
2020
- 2020-06-16 CN CN202010549902.6A patent/CN111649868A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140158215A1 (en) * | 2012-12-12 | 2014-06-12 | Festo Ag & Co. Kg | Valve Device, Valve Assembly and Method for Calibrating a Valve Assembly |
| CN104870342A (en) * | 2012-12-20 | 2015-08-26 | 汉高股份有限及两合公司 | Switch for a fuel |
| CN104729783A (en) * | 2013-12-20 | 2015-06-24 | 西安瑞驰信息技术有限公司 | Long-life and high-reliability pressure sensor adopting novel sealing element |
| CN108291657A (en) * | 2015-11-20 | 2018-07-17 | 三菱电机株式会社 | Valve gear and conditioner |
| CN106989851A (en) * | 2017-05-05 | 2017-07-28 | 芜湖市海联机械设备有限公司 | A kind of force snesor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014627A (en) * | 2022-05-31 | 2022-09-06 | 武汉新烽光电股份有限公司 | High-precision atmospheric pressure sensor |
| CN115014627B (en) * | 2022-05-31 | 2023-07-21 | 武汉新烽光电股份有限公司 | High-precision atmospheric pressure sensor |
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Application publication date: 20200911 |
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