CN113916443B - Air pressure sensor detection device - Google Patents
Air pressure sensor detection device Download PDFInfo
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- CN113916443B CN113916443B CN202111172474.0A CN202111172474A CN113916443B CN 113916443 B CN113916443 B CN 113916443B CN 202111172474 A CN202111172474 A CN 202111172474A CN 113916443 B CN113916443 B CN 113916443B
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- cavity
- detection
- air pressure
- pressure sensor
- head end
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The invention discloses a detection device of an air pressure sensor, which relates to the technical field of detection equipment and comprises a bracket, a head end cavity, at least one detection cavity and a tail end cavity, wherein the bracket is used for supporting the tail end cavity, the detection cavity and the head end cavity; the first end of the head end cavity is provided with an air inlet pipeline, and the second end of the head end cavity is detachably connected with the detection cavity; the detection cavity is arranged between the tail end cavity and the head end cavity and is used for installing the air pressure sensor and detecting the air pressure sensor; the tail end cavity is detachably connected to the tail end of the detection cavity; the head end cavity, the detection cavity and the tail end cavity form a closed structure. The pressure sensor detection device provided by the invention can detect a plurality of air pressure sensors at the same time and is convenient for installing and detaching the sensor to be detected.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to a detection device of a barometric sensor.
Background
The air pressure sensor is commonly used in high-speed running and high-speed flying equipment, and is mainly used for measuring the fluctuation frequency of air pressure waves, judging the working condition of the current equipment according to the frequency value, and carrying out external loading, vibration source and other conditions. Because the equipment generates excitation under the action of external excitation, for example, when the aircraft flies at a high speed, wings can generate flutter under the excitation of certain external vortex and the like, and the aircraft can be damaged directly. In addition, the tool of the machine tool can generate excitation in the process of high-speed rotary cutting, and detection of the vibration is usually detected by an acceleration sensor.
However, in some practical applications, such as aircrafts like aircrafts, it is more efficient and quick to detect the vibration frequency and vibration source of the analysis system by using the frequency of the air pressure wave generated by the vibration.
Because the fluctuation frequency of the pressure wave is usually higher, the fluctuation frequency is lower than hundreds of hertz, and the fluctuation frequency can reach tens of thousands of hertz, the measurement accuracy requirement of the air pressure sensor for detecting the high-frequency pressure wave is also very high, and particularly in an aviation aircraft system, the accuracy requirement is particularly important.
The air pressure sensor applied in the high-precision tip industry needs to detect the air pressure frequency accurately before leaving the factory, however, there are several general problems about the current detection equipment: the equipment is expensive, the efficiency is lower, the frequency bandwidth to be measured is low, and a large number of quick factory detection is difficult to realize.
Therefore, the invention provides the pressure sensor detection device which can detect a plurality of air pressure sensors at the same time and is convenient for installing and detaching the sensor to be detected.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a detection device of a barometric sensor.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a detection device of an air pressure sensor comprises a bracket, a head end cavity, at least one detection cavity and a tail end cavity.
The support is used for supporting the tail end cavity, the detection cavity and the head end cavity;
the first end of the head end cavity is provided with an air inlet pipeline, and the second end of the head end cavity is detachably connected with the detection cavity;
the detection cavity is arranged between the tail end cavity and the head end cavity and is used for installing the air pressure sensor and detecting the air pressure sensor;
the tail end cavity is detachably connected to the tail end of the detection cavity;
the head end cavity, the detection cavity and the tail end cavity form a closed structure.
Further, the support is connected to the base in a sliding manner, and a sliding groove is formed in the base.
Still further, the support is provided with U type bracket, respectively with terminal cavity outer wall, detect cavity outer wall and head end cavity outer wall looks adaptation.
Further, the second end of the head end cavity is in threaded connection with the detection cavity, and a limiting groove matched with the bracket is formed in the head end cavity.
Further, the detection cavity comprises a connection cavity and a detection cavity, and connection threads for connecting the head end cavity and/or the tail end cavity are arranged at two ends of the connection cavity.
The detection cavity is arranged on the connection cavity and is communicated with the connection cavity, the detection cavity is provided with an opening, an end cover is detachably connected to the opening, and an air pressure sensor is fixedly connected to the end cover.
Still further, be provided with the mount in the detection chamber, the mount passes through first extension spring and intermediate lamella fixed connection, the intermediate lamella both sides are articulated to have two fly leaves, the intermediate lamella with the structure that two fly leaves formed with detect the intracavity looks adaptation, it is provided with the sealing ring to detect the intracavity, the sealing ring is located the intermediate lamella top, the terminal surface is provided with the driving lever under the end cover for press the fly leaf, make the fly leaf rotate to keeping away from the sealing ring direction.
Still further, detect intracavity wall fixedly connected with fixed block, fixed block bottom passes through second extension spring and arc flange fixed connection, arc flange bottom extends to the connection intracavity to fixedly connected with sealing disk, sealing disk and connection intracavity internal diameter looks adaptation, the terminal surface is provided with the driving lever under the end cover for press the sealing disk, make the sealing disk break away from the connection intracavity wall.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides the air pressure sensor detection device which can detect a plurality of air pressure sensors at the same time and is convenient for installing and detaching the sensor to be detected. The installation and the disassembly of the air pressure sensor are facilitated through the arranged detection cavity; the middle plate and the movable plate can be used for plugging the detection cavity when the end cover is removed, so that the end cover in the detection cavity is prevented from affecting the detection effect of other air pressure sensors in the detection cavity; so as to improve the corresponding effect of the air pressure sensor in the detection cavity.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
FIG. 1 is a schematic diagram of a split structure of a detecting device of an air pressure sensor according to the present invention;
FIG. 2 is a schematic diagram of a combination structure of a detecting device of an air pressure sensor according to the present invention;
fig. 3 is a schematic structural diagram of a detection cavity in embodiment 1 according to the present invention.
In the figure: 1. a distal cavity; 2. a detection cavity; 3. a bracket; 4. a head end cavity; 5. an air intake duct; 201. an air pressure sensor; 202. an end cap; 203. a deflector rod; 204. a fixing frame; 205. an intermediate plate; 206. a movable plate; 207. a seal ring; 208. a detection chamber; 209. a connecting cavity; 210. a limit groove; 211. and (5) connecting threads.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-3, example 1: the air pressure sensor detection device comprises a bracket 3, a head end cavity 4, at least one detection cavity 2 and a tail end cavity 1;
the bracket 3 is used for supporting the tail end cavity 1, the detection cavity 2 and the head end cavity 4;
the first end of the head end cavity 4 is provided with an air inlet pipeline 5, and the second end is detachably connected with the detection cavity 2;
the detection cavity 2 is arranged between the tail end cavity 1 and the head end cavity 4, and is used for installing the air pressure sensor 201 and detecting the air pressure sensor 201;
the tail end cavity 1 is detachably connected with the tail end of the detection cavity 2;
the head end cavity 4, the detection cavity 2 and the tail end cavity 1 form a closed structure.
The head end cavity 4, the detection cavity 2 and the tail end cavity 1 are all in columnar structures, the radiuses of the outer walls of the head end cavity 4, the detection cavity 2 and the tail end cavity 1 are the same, and the threaded parts of the end parts can be mutually matched and connected.
The bracket 3 is connected to the base in a sliding way, and a strip-shaped chute is formed in the base so that the bracket 3 can slide along the length direction of the strip-shaped chute; the bracket 3 comprises a sliding block embedded in the strip-shaped sliding groove, a U-shaped bracket and a supporting rod for connecting the sliding block and the U-shaped bracket, wherein the U-shaped bracket is provided with a convex structure which is used for being respectively matched with a limit groove on the outer wall of the tail end cavity 1, a limit groove on the outer wall of the detection cavity 2 and a limit groove on the outer wall of the head end cavity 4, and the convex is embedded in the limit groove to prevent slipping;
when in use, the number of the detection cavities 2 is selected according to the number of the air pressure sensors 201 to be detected, and the selected detection cavities 2, the head end cavity 4 and the tail end cavity 1 are arranged on the U-shaped brackets at the corresponding positions, and the cavities are in threaded connection to form a sealing structure.
The detection cavity 2 comprises a connection cavity 209 and a detection cavity 208, wherein two ends of the connection cavity 209 are of an opening structure, and connecting threads 211 (one end is external threads and the other end is internal threads) for connecting the head end cavity 4 and/or the tail end cavity 1 are arranged at the opening.
The detection cavity 208 is one or more, and its fixed connection is on connecting cavity 209, is annular array when detecting cavity 208 is a plurality of and arranges, communicates with connecting cavity 209 respectively, and the one end that detecting cavity 208 kept away from connecting cavity 209 is provided with the opening, and the detachable end cover 202 that is connected with of opening part, fixedly connected with air pressure sensor 201 on the end cover 202, in order to improve the leakproofness of end cover 202 part, is equipped with sealing washer 207 at the opening part cover.
In this embodiment, a fixing frame 204 is disposed in a detection cavity 208, the fixing frame 204 is fixedly connected with a middle plate 205 through a first tension spring, two movable plates 206 with the same shape are hinged to two sides of the middle plate 205, the movable plates 206 are horizontal and support against a sealing ring in a conventional state, a structure formed by the middle plate 205 and the two movable plates 206 after being unfolded is adapted to the inner diameter of the detection cavity 208 (the inside of the detection cavity is columnar, the structure of the middle plate and the movable plates after being unfolded is circular), a sealing ring is disposed in the detection cavity 208, the sealing ring is disposed above the middle plate 205, and a deflector 203 is disposed on the lower end surface of the end cover 202 and used for pressing the movable plates to enable the movable plates to rotate away from the sealing ring.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. A detection device of an air pressure sensor is characterized by comprising a bracket, a head end cavity, at least one detection cavity and a tail end cavity,
the support is used for supporting the tail end cavity, the detection cavity and the head end cavity;
the first end of the head end cavity is provided with an air inlet pipeline, and the second end of the head end cavity is detachably connected with the detection cavity;
the detection cavity is arranged between the tail end cavity and the head end cavity and is used for installing the air pressure sensor and detecting the air pressure sensor;
the tail end cavity is detachably connected to the tail end of the detection cavity;
the head end cavity, the detection cavity and the tail end cavity form a closed structure;
the detection cavity comprises a connecting cavity and at least one detection cavity, connecting threads for connecting the head cavity and/or the tail cavity are arranged at two ends of the connecting cavity,
the detection cavity is arranged on the connecting cavity and is communicated with the connecting cavity, the detection cavity is provided with an opening, an end cover is detachably connected to the opening, and an air pressure sensor is fixedly connected to the end cover;
the detection cavity is internally provided with a fixing frame, the fixing frame is fixedly connected with an intermediate plate through a first tension spring, two movable plates are hinged to two sides of the intermediate plate, the structure formed by the intermediate plate and the two movable plates is matched with the detection cavity, the detection cavity is internally provided with a sealing ring, the sealing ring is located above the intermediate plate, and the lower end face of the end cover is provided with a deflector rod for pressing the movable plates to enable the movable plates to rotate in a direction away from the sealing ring.
2. The air pressure sensor detecting device according to claim 1, wherein the support is slidably connected to the base, and the base is provided with a chute.
3. The air pressure sensor detection device according to claim 2, wherein the bracket is provided with a U-shaped bracket which is respectively matched with the outer wall of the tail end cavity, the outer wall of the detection cavity and the outer wall of the head end cavity.
4. The air pressure sensor detection device according to claim 1, wherein the second end of the head end cavity is in threaded connection with the detection cavity, and a limit groove matched with the bracket is formed in the head end cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111172474.0A CN113916443B (en) | 2021-10-08 | 2021-10-08 | Air pressure sensor detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111172474.0A CN113916443B (en) | 2021-10-08 | 2021-10-08 | Air pressure sensor detection device |
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| Publication Number | Publication Date |
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| CN113916443A CN113916443A (en) | 2022-01-11 |
| CN113916443B true CN113916443B (en) | 2023-05-16 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1826544A2 (en) * | 2006-02-27 | 2007-08-29 | Vaillant GmbH | Method for calibrating an electric or electronic sensor |
| CN205246280U (en) * | 2015-07-15 | 2016-05-18 | 北京康斯特仪表科技股份有限公司 | Portable fluid pressure checker |
| CN111982400A (en) * | 2020-08-20 | 2020-11-24 | 马鞍山市瑞东仪表有限责任公司 | Detection device for pressure instrument |
| CN112284610A (en) * | 2020-10-14 | 2021-01-29 | 山东交通学院 | Gas tank for detecting automobile pressure sensor |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809463B (en) * | 2011-06-03 | 2016-05-11 | 上海保隆汽车科技股份有限公司 | Baroceptor is scaling method and device in batches |
| CN104422561B (en) * | 2013-08-27 | 2016-12-28 | 无锡华润上华半导体有限公司 | Detection equipment, detecting system and detection method for pressure transducer |
| CN103884468B (en) * | 2014-03-28 | 2016-06-08 | 中国工程物理研究院总体工程研究所 | Geotechnique's pressure transmitter multichannel pressure calibrating device |
| CN104977123B (en) * | 2015-04-22 | 2017-12-22 | 中国航天空气动力技术研究院 | Differential pressure type oscillatory pressure pick-up calibrating installation |
| CN105836653B (en) * | 2016-05-23 | 2018-11-30 | 安徽科技学院 | A kind of gear-driven reversed lifting device |
| CN107421686A (en) * | 2017-08-21 | 2017-12-01 | 杭州中感科技有限公司 | Plug-in type pressure sensor calibrating apparatus |
| CN108918027A (en) * | 2018-09-25 | 2018-11-30 | 龙岩学院 | A kind of pressure sensor calibrating apparatus |
| CN108956010B (en) * | 2018-10-27 | 2021-02-05 | 安徽省临泉县康悦电子科技有限公司 | Pressure gauge calibration device |
| CN109269703A (en) * | 2018-11-06 | 2019-01-25 | 安徽科技学院 | It is a kind of to use spring force measuring machine structure, force measuring machine, force measuring method |
| CN109916556B (en) * | 2019-04-11 | 2023-11-03 | 华能国际电力股份有限公司 | Portable dynamic and static calibration system for pressure sensor |
| CN110044545B (en) * | 2019-05-05 | 2020-11-20 | 西北工业大学 | Dual-purpose optical pressure sensitive paint calibration cabin considering static and sinusoidal pressure changes |
| CN211824881U (en) * | 2020-04-20 | 2020-10-30 | 无锡胜脉电子有限公司 | High-efficient detection device of mixed encapsulation sensor of absolute pressure |
| CN212903715U (en) * | 2020-09-10 | 2021-04-06 | 安图实验仪器(郑州)有限公司 | Pressure sensor detection device |
| CN112229567B (en) * | 2020-11-04 | 2022-03-18 | 麦克传感器股份有限公司 | Pressure sensor testing device with automatic air pressure compensation sealing function |
-
2021
- 2021-10-08 CN CN202111172474.0A patent/CN113916443B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1826544A2 (en) * | 2006-02-27 | 2007-08-29 | Vaillant GmbH | Method for calibrating an electric or electronic sensor |
| CN205246280U (en) * | 2015-07-15 | 2016-05-18 | 北京康斯特仪表科技股份有限公司 | Portable fluid pressure checker |
| CN111982400A (en) * | 2020-08-20 | 2020-11-24 | 马鞍山市瑞东仪表有限责任公司 | Detection device for pressure instrument |
| CN112284610A (en) * | 2020-10-14 | 2021-01-29 | 山东交通学院 | Gas tank for detecting automobile pressure sensor |
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| CN113916443A (en) | 2022-01-11 |
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