CN106595941A - Hall sensor for pressure detection - Google Patents
Hall sensor for pressure detection Download PDFInfo
- Publication number
- CN106595941A CN106595941A CN201611136733.3A CN201611136733A CN106595941A CN 106595941 A CN106595941 A CN 106595941A CN 201611136733 A CN201611136733 A CN 201611136733A CN 106595941 A CN106595941 A CN 106595941A
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- CN
- China
- Prior art keywords
- hall element
- diaphragm
- groove
- detection box
- pipeline
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/14—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means involving the displacement of magnets, e.g. electromagnets
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a Hall sensor for pressure detection and belongs to the sensor device technical field. Based on an original structure, a groove is formed in the upper part of a connector (1); a pipeline (2) in the connector (1) is provided with three uniformly-arranged branches in the connector (1); the branches all extend out from the interior bottom surface of the groove; a diaphragm (4), magnets (5) and a Hall element and electric plate assembly (6) are mounted in a detection box (3); the diaphragm (4) is sinusoidal wave-shaped and is detachably mounted in the detection box (3); the magnets (5) are fixed on three positive wave vertices of the diaphragm (4); the Hall element and electric plate assembly (6) is arranged at the upper side of the interior of the detection box (3); and a power source and socket assembly (7) is arranged at the outer side of the detection box (3) and is connected to the Hall element and electric plate assembly (6). The Hall sensor for pressure detection of the present invention can ensure detection accuracy and can assist in saving maintenance and replacement costs, and is convenient to clean.
Description
Technical field
The present invention relates to a kind of oil gas pressure sensor, specifically a kind of pressure detecting Hall element, belong to sensor
Equipment technical field.
Background technology
Pressure transducer is a kind of sensor the most commonly used in industrial practice, and it is widely used in various industrial automatic control rings
Border, be related to water conservancy and hydropower, railway traffic, intelligent building, production automatic control, Aero-Space, military project, petrochemical industry, oil well, electric power, ship,
Numerous industries such as lathe, pipeline.
Oil gas pressure sensor is one kind of numerous pressure transducers, for testing oil pressure, prevents some because oil pressure is excessive
Produce the generation of fortuitous event.Existing oil gas pressure sensor species is a lot, for its high its accuracy of detection, there is a kind of profit at present
The oil gas pressure sensor designed with hall principle, but there are several shortcomings：1. in sensor diaphragm and oil gas pipe
Mouth has a certain distance, but its oil circuit only arranges one, have impact on the effect of detection, while residue can be left in space,
It is not easy to cleaning；2. diaphragm long-time is using being easily deformed, but due to being Type of Welding, after damage can only integral replacing, increase
Cost；3. Hall element and electroplax are in itself a kind of highly sensitive elements, easily receive the interference in magnetic field, when sensor exists
Use where equipment is more, the accuracy of detection of itself can be affected because of the magnetic field that other equipment is brought.
The content of the invention
For the problems referred to above, the present invention provides a kind of pressure detecting Hall element, while accuracy of detection is guaranteed,
It is easy to cleaning, and saves maintenance and the cost changed.
For achieving the above object, the present invention including joint and be opened in joint pipeline, diaphragm, magnet steel, Hall element and
Electroplax and power supply and socket.
On the basis of said structure, the top of joint is provided with groove, and the pipeline in joint is provided with three inside joint
Uniform branch road, branch road stretches out the inner bottom surface of groove；Diaphragm, magnet steel and Hall element and electroplax are installed in a detection
In box, detection box is that aluminium alloy detects box, the groove shapes on corresponding joints top, and is fixed in groove, and lower end is close to recessed
Groove bottom, correspondence three uniform branch roads of pipeline have through hole；Diaphragm is sinusoidal wave shape, is detachably arranged in detection box
In, the exit of three uniform branch roads of the corresponding pipeline of summit interior location of three positive waves placed in the middle, and away from outlet distance
For 3-5mm；Magnet steel is fixed on three positive wave summits of diaphragm；Hall element and electroplax are arranged on detection box upper inside；Power supply
And socket is arranged on the outside of detection box, is connected with Hall element and electroplax.
Further, detect and one layer of elastomeric layer is set in the space between box and the groove opened on joint top, it is described
Elastomeric layer be metallic resilient material layer.
Further, filtration is provided with pipeline, described filtration is filtration cotton.
Further, in diaphragm, three uniform branch roads of the corresponding pipeline of summit interior location of three positive waves placed in the middle
The distance of outlet is 4mm.
Further, one layer of antirust coat is provided with the downside of diaphragm.
Compared with existing Hall-type oil gas pressure sensor, the present invention on the basis of existing structure, diaphragm, magnet steel and
Hall element and electroplax are arranged in an aluminium alloy detection box, shield the interference of external electromagnetic, it is ensured that the precision of detection；
Meanwhile, the pipeline in joint is divided into three uniform branch roads, in the sinuous diaphragm of way outlet correspondence three it is placed in the middle just
Ripple bosom position, and distance is set to 3-5mm, magnet steel is arranged on the top of three positive waves placed in the middle, position it is accurate, enter
One step ensure that accuracy of detection, while avoiding pollution of the oil gas to sensor internal；It is above-mentioned it is improved on the basis of, diaphragm can
Dismounting installed in detection box in, be easy to cleaning, and saved maintenance and change cost.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
In figure：1st, joint, 2, pipeline, 3, detection box, 4, diaphragm, 5, magnet steel, 6, Hall element and electroplax, 7, power supply and insert
Seat.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention will be further described.
As shown in figure 1, a kind of pressure detecting Hall element, including joint 1 and the pipeline 2, diaphragm being opened in joint 1
4th, magnet steel 5, Hall element and electroplax 6 and power supply and socket 7；Characterized in that, the top of joint 1 is provided with groove, in joint 1
Pipeline 2 is provided with three uniform branch roads inside joint 1, and branch road stretches out the inner bottom surface of groove；Diaphragm 4, magnet steel 5 and suddenly
That element and electroplax 6 are arranged in a detection box 3, and detection box 3 is aluminium alloy detection box, the groove type on the top of corresponding joints 1
Shape, and be fixed in groove, lower end is close to groove floor, and correspondence 2 three uniform branch roads of pipeline have through hole；Diaphragm
4 is sinusoidal wave shape, in being detachably arranged in detection box 3, the three of the corresponding pipeline 2 of summit interior location of three positive waves placed in the middle
The exit of individual uniform branch road, and be 3-5mm away from outlet distance；Magnet steel 5 is fixed on 4 three positive wave summits of diaphragm；Hall
Element and electroplax 6 are arranged on the detection upper inside of box 3；Power supply and socket 7 be arranged on detection box 3 outside, with Hall element and
Electroplax 6 connects.Entablature 3 and sill 6 are each passed through the installing hole up and down of two root posts 4, and are fixed by L-shaped otic placode 8；
Further improve as of the invention, detect and arrange in the space between box 3 and the groove opened on the top of joint 1 one layer of elasticity
Material layer, elastomeric layer is metallic resilient material layer, it is ensured that the stability of detection.
Further improve as of the invention, filtration is provided with pipeline 2, filtration prevents oil to filter cotton
Pollution of the gas to sensor internal.
Further improve as of the invention, in diaphragm 4, the corresponding pipeline 2 of summit interior location of three positive waves placed in the middle
The distance of the outlet of three uniform branch roads is 4mm.It is demonstrated experimentally that distance is set to 4mm, the precision of detection is both can guarantee that, and
Pollution can be reduced.
Further improve as of the invention, the downside of diaphragm 4 is provided with one layer of antirust coat, prevents the corrosion of oil gas, improve
Service life.
The present invention detects pressure using Hall effect, and when oil gas enters detection box 3 by three uniform way outlets
After the contact of the positive wave placed in the middle with diaphragm 4, diaphragm 4 can occur accurate and stable output linearity displacement because of occurring, so as to
Magnet steel 5 is driven to move, the magnetic field for changing itself and the distance between Hall element and electroplax 6, Hall element and electroplax 6 becomes
Change, and pressure value is obtained according to changes of magnetic field.
On the basis of above-mentioned detection, the present invention by diaphragm 4, magnet steel 5 and Hall element and electroplax 6 because be arranged on one
In aluminium alloy detection box, the interference of external electromagnetic is shielded, it is ensured that the precision of detection；Meanwhile, 2 points of the pipeline in joint 1 is
Three uniform branch roads, three positive wave bosom positions placed in the middle in a sinuous diaphragm 4 of way outlet correspondence, and distance
Be set to 3-5mm, magnet steel 5 is arranged on the top of three positive waves placed in the middle, position it is accurate, further ensure that accuracy of detection,
Avoid pollution of the oil gas to sensor internal simultaneously；It is above-mentioned it is improved on the basis of, diaphragm 4 is detachably arranged in detection box
In, it is easy to cleaning, and saved maintenance and the cost changed.
Claims (5)
1. a kind of pressure detecting Hall element, including joint（1）Be opened in joint（1）Interior pipeline（2）, diaphragm（4）, magnetic
Steel（5）, Hall element and electroplax（6）With power supply and socket（7）；
Characterized in that, described joint（1）Top be provided with groove, described joint（1）In pipeline（2）In joint（1）
Inside is provided with three uniform branch roads, and branch road stretches out the inner bottom surface of groove；
Described diaphragm（4）, magnet steel（5）And Hall element and electroplax（6）Installed in a detection box（3）In, described inspection
Survey box（3）Box, corresponding joints are detected for aluminium alloy（1）The groove shapes on top, and be fixed in groove, lower end is close to groove
Bottom surface, correspondence pipeline（2）Three uniform branch roads have through hole；
Described diaphragm（4）For sinusoidal wave shape, detection box is detachably arranged in（3）In, in the summit of three positive waves placed in the middle
Portion position correspondence pipeline（2）Three uniform branch roads exit, and away from outlet distance be 3-5mm；
Described magnet steel（5）It is fixed on diaphragm（4）On three positive wave summits；
Described Hall element and electroplax（6）It is arranged on detection box（3）Upper inside；
Described power supply and socket（7）It is arranged on detection box（3）Outside, with Hall element and electroplax（6）Connection.
Described entablature（3）And sill（6）It is each passed through two root posts（4）Installing hole up and down, and by L-shaped otic placode
（8）It is fixed.
2. a kind of pressure detecting Hall element according to claim 1, it is characterised in that described detection box（3）
With joint（1）One layer of elastomeric layer is set in the space between the groove opened on top, and described elastomeric layer is metal
Elastomeric layer.
3. a kind of pressure detecting Hall element according to claim 1, it is characterised in that described pipeline（2）It is interior
Filtration is provided with, described filtration is filtration cotton.
4. a kind of pressure detecting Hall element according to claim 1, it is characterised in that described diaphragm（4）In,
The summit interior location correspondence pipeline of three positive waves placed in the middle（2）Three uniform branch roads outlet distance be 4mm.
5. a kind of pressure detecting Hall element according to claim 1, it is characterised in that described diaphragm（4）'s
Downside is provided with one layer of antirust coat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611136733.3A CN106595941A (en) | 2016-12-12 | 2016-12-12 | Hall sensor for pressure detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611136733.3A CN106595941A (en) | 2016-12-12 | 2016-12-12 | Hall sensor for pressure detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106595941A true CN106595941A (en) | 2017-04-26 |
Family
ID=58598326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611136733.3A Pending CN106595941A (en) | 2016-12-12 | 2016-12-12 | Hall sensor for pressure detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106595941A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09170958A (en) * | 1995-12-20 | 1997-06-30 | Saginomiya Seisakusho Inc | Pressure sensor using hall element and its assembling method |
| CN200989800Y (en) * | 2006-07-28 | 2007-12-12 | 浙江天信仪表有限公司 | Nonmagnetic detecting gas turbine flowmeter |
| CN201378089Y (en) * | 2009-04-17 | 2010-01-06 | 蒋伟荣 | Vehicular electronic pressure sensor |
| CN201600221U (en) * | 2010-01-25 | 2010-10-06 | 杭州吉星仪表机械有限公司 | Pressure gauge with built-in Hall sensor |
| CN202204638U (en) * | 2011-07-21 | 2012-04-25 | 天津森普管材有限公司 | Compressed air pressure monitoring alarm device |
| CN102901602A (en) * | 2012-10-19 | 2013-01-30 | 徐州五洋科技股份有限公司 | Hall type oil and gas pressure sensor |
| CN104870961A (en) * | 2012-12-21 | 2015-08-26 | 恩德莱斯和豪瑟尔两合公司 | Hydraulic measuring unit with coplanar pressure inlets and differential pressure sensor having such a measuring unit |
| CN104949791A (en) * | 2015-06-23 | 2015-09-30 | 江苏大学 | Balanced type pressure detection method and balanced type pressure detection device for gas pressure |
-
2016
- 2016-12-12 CN CN201611136733.3A patent/CN106595941A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09170958A (en) * | 1995-12-20 | 1997-06-30 | Saginomiya Seisakusho Inc | Pressure sensor using hall element and its assembling method |
| CN200989800Y (en) * | 2006-07-28 | 2007-12-12 | 浙江天信仪表有限公司 | Nonmagnetic detecting gas turbine flowmeter |
| CN201378089Y (en) * | 2009-04-17 | 2010-01-06 | 蒋伟荣 | Vehicular electronic pressure sensor |
| CN201600221U (en) * | 2010-01-25 | 2010-10-06 | 杭州吉星仪表机械有限公司 | Pressure gauge with built-in Hall sensor |
| CN202204638U (en) * | 2011-07-21 | 2012-04-25 | 天津森普管材有限公司 | Compressed air pressure monitoring alarm device |
| CN102901602A (en) * | 2012-10-19 | 2013-01-30 | 徐州五洋科技股份有限公司 | Hall type oil and gas pressure sensor |
| CN104870961A (en) * | 2012-12-21 | 2015-08-26 | 恩德莱斯和豪瑟尔两合公司 | Hydraulic measuring unit with coplanar pressure inlets and differential pressure sensor having such a measuring unit |
| CN104949791A (en) * | 2015-06-23 | 2015-09-30 | 江苏大学 | Balanced type pressure detection method and balanced type pressure detection device for gas pressure |
Non-Patent Citations (1)
| Title |
|---|
| 中缆在线: "《机电产品设计与采购系列手册 铝合金电缆设计与采购手册》", 30 September 2015, 机械工业出版社 * |
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Application publication date: 20170426 |