CN201266083Y - Electromagnetic induction type contactless inclination sensor - Google Patents

Electromagnetic induction type contactless inclination sensor Download PDF

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Publication number
CN201266083Y
CN201266083Y CNU2008202006587U CN200820200658U CN201266083Y CN 201266083 Y CN201266083 Y CN 201266083Y CN U2008202006587 U CNU2008202006587 U CN U2008202006587U CN 200820200658 U CN200820200658 U CN 200820200658U CN 201266083 Y CN201266083 Y CN 201266083Y
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CN
China
Prior art keywords
inclination sensor
lower cover
cursory
magnet
induction
Prior art date
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.)
Expired - Fee Related
Application number
CNU2008202006587U
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Chinese (zh)
Inventor
郭绍德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guo Shiqiu
Original Assignee
DONGGUAN MEIMAN SENSOR TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CNU2008202006587U priority Critical patent/CN201266083Y/en
Application granted granted Critical
Publication of CN201266083Y publication Critical patent/CN201266083Y/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to the technical field of sensors, in particular to an electromagnetic induction noncontact inclination sensor which comprises an upper cover and a lower cover which are buckled and sealed mutually, a floater is arranged between the upper cover and the lower cover, buoyancy liquid which can cause the floater to freely swing is filled between the floater and the lower cover, the floater is fixedly provided with a magnet, and the top end of the upper cover is fixed with a magnetic induction chip used for inducing the relative angle change with the magnet. Compared with the prior inclination sensor, the utility model realizes that the noncontact inclination sensor causes the sensor not to be influenced by the mechanical friction because the magnet is fixedly arranged on the floater which floats on the buoyancy liquid, thereby improving the induction sensitivity of the inclination sensor.

Description

Induction contactless inclination sensor
Technical field:
The utility model relates to sensor technical field, relates in particular to a kind of induction contactless inclination sensor.
Background technology:
In the vehicles such as a lot of automobiles, aircraft, elevator and the plant equipment, the inclination sensor that is used for the inspected object angle of inclination all is installed, these vehicles and plant equipment can be adjusted devices such as control generator according to the detected angle of inclination of inclination sensor, think to keep its correct set, steadily of centre of gravity.As the Chinese patent notification number is the disclosed a kind of inclination sensor of CN2929651, it is by Hall element, can swing magnet steel and housing constitutes, dispose weight in the housing, magnet steel is installed on this weight, weight can freely swing in the certain limit in housing, linear hall element is installed in the housing, owing to be subjected to gravitational effect weight all the time perpendicular to surface level, therefore when the installed surface of sensor during horizontal by certain angle Hall element produce between with respect to magnet steel and be offset, voltage or output resistance by Hall element output change, thus the heeling condition of detecting.The weight of this kind inclination sensor is to be suspended in the housing, i.e. mechanical connection is when weight is swung, can there be certain mechanical friction power in the end that weight hangs, make the detection signal of inclination sensor have certain error, therefore, the induction sensitivity of this inclination sensor is not high.
The utility model content:
The purpose of this utility model is exactly to provide a kind of highly sensitive induction contactless inclination sensor at the deficiency of prior art existence.
To achieve these goals, the technical solution adopted in the utility model is:
It comprises loam cake, lower cover, loam cake and lower cover fasten mutually and sealing, it is cursory to be provided with between described loam cake and the lower cover, be injected with between the cursory and lower cover and can supply the cursory buoyancy liquid that freely swings, describedly be mounted with magnet on cursory, the top of described loam cake is fixed with and is used to respond to the magnetic induction chip that changes with the magnet relative angle.
Wherein, described magnetic induction chip is magnetic resistance (MR, a Magneto Resistive) sensor chip.
Wherein, cover under described and offer groove, form pillar on the cursory both sides with the groove coupling.
Wherein, described cursory base, the last fixed block of comprising, last fixed block is fixed in the base, and described magnet is fixed on the fixed block, and described base swims on the buoyancy liquid.
Wherein, the bottom of described lower cover is fixedly connected with shell.
Wherein, the open top of described shell, opening part is equipped with pcb board (printed circuit board (PCB)), and described magnetic induction chip is electrically connected with pcb board.
The utility model beneficial effect is:
The induction contactless inclination sensor that the utility model provides comprises loam cake, lower cover, loam cake and lower cover fasten mutually and sealing, it is cursory to be provided with between described loam cake and the lower cover, be injected with between the cursory and lower cover and can supply the cursory buoyancy liquid that freely swings, describedly be mounted with magnet on cursory, the top of described loam cake is fixed with and is used to respond to the magnetic induction chip that changes with the magnet relative angle, because it is cursory for swimming on the buoyancy liquid, therefore cursoryly can be in surface level all the time, when the installed surface of sensor during horizontal by certain angle, the magnetic induction chip that is fixed on the loam cake top is with respect to producing skew between the magnet, induce the angle of skew by the magnetic induction chip, and export corresponding electric signal, thereby the heeling condition of detecting.Compare with existing inclination sensor, magnet of the present utility model be fixed on cursory on, and cursory be to swim on the buoyancy liquid, realized contactless inclination sensor, make sensor no longer be subjected to the influence of mechanical friction power, thereby improved the induction sensitivity of inclination sensor.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a decomposing schematic representation of the present utility model;
Fig. 3 is the structural representation of the utility model when being in obliquity.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described, see shown in Fig. 1,2,3, the utility model comprises loam cake 1, lower cover 2, loam cake 1 fastens mutually and sealing with lower cover 2, be provided with cursory 3 between described loam cake 1 and the lower cover 2, cursory 3 and lower cover 2 between be injected with and can supply the cursory 3 buoyancy liquid 4 that freely swing, be mounted with magnet 5 on described cursory 3, the top of described loam cake 1 is fixed with and is used to respond to the magnetic induction chip 6 that changes with magnet 5 relative angles.Compare with existing inclination sensor, magnet 5 of the present utility model is fixed on cursory 3, and cursory 3 be to swim on the buoyancy liquid 4, has realized contactless inclination sensor, make sensor no longer be subjected to the influence of mechanical friction power, thereby improved the induction sensitivity of inclination sensor.Further, because magnetic induction chip 6 of the present utility model has adopted the magnetoresistive transducer chip, therefore, the utlity model has characteristics such as volume is little, highly sensitive, the linearity is good.
Offer groove 21 on the lower cover 2 of present embodiment, form pillar 31 on cursory 3 the both sides with groove 21 couplings, make cursory 3 can be equilibrium point with the pillar 31 of both sides, keep balance and adjust the position, certainly, on the position of loam cake 1 correspondence, also can offer groove with pillar 31 couplings.
Cursory 3 of present embodiment comprises base 32, goes up fixed block 33, and last fixed block 33 is fixed in the base 32, and described magnet 5 is fixed on the fixed block 33, and described base 32 swims on the buoyancy liquid 4.
The bottom of present embodiment lower cover 2 is fixedly connected with shell 7, is installed in the vehicles such as automobile, aircraft, elevator and the plant equipment to make things convenient for sensor; The open top of described shell 7, opening part are equipped with pcb board 8, and described magnetic induction chip 6 is electrically connected with pcb board 8, and pcb board 8 is a control signal with the electrical signal conversion of magnetic induction chip 6 outputs, to adjust devices such as controlling generator.
Assembling process of the present utility model is, at first in lower cover 2, inject buoyancy liquid 4, to install and fix cursory 3 of magnet 5 then is placed in the lower cover 2, then, loam cake 1 and lower cover 2 adhesive seal, again magnetic induction chip 6 is fixed on the top of loam cake 1, and magnetic induction chip 6 is electrically connected with pcb board 8, at last, put into and be fixed on shell 7.The utility model in use, because cursory 3 for swimming on the buoyancy liquid 4, therefore cursory 3 can be in surface level all the time, when the installed surface (being the bottom surface of shell 7) of sensor during horizontal by certain angle, the magnetic induction chip 6 that is fixed on loam cake 1 top is with respect to producing skew between the magnet 5, induce the angle of skew by magnetic induction chip 6, and export corresponding electric signal, pcb board 8 is a control signal with the electrical signal conversion of magnetic induction chip 6 outputs, thereby to adjust devices such as controlling generator.
The above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.

Claims (6)

1, induction contactless inclination sensor, it comprises loam cake (1), lower cover (2), loam cake (1) fastens mutually and seals with lower cover (2), it is characterized in that: be provided with cursory (3) between described loam cake (1) and the lower cover (2), be injected with the buoyancy liquid (4) that can supply cursory (3) to freely swing between cursory (3) and the lower cover (2), be mounted with magnet (5) on described cursory (3), the top of described loam cake (1) is fixed with the magnetic induction chip (6) that is used for induction and the variation of magnet (5) relative angle.
2, induction contactless inclination sensor according to claim 1 is characterized in that: described magnetic induction chip (6) is the magnetoresistive transducer chip.
3, induction contactless inclination sensor according to claim 1 is characterized in that: offer groove (21) on the described lower cover (2), form the pillar (31) with groove (21) coupling on the both sides of cursory (3).
4, induction contactless inclination sensor according to claim 3, it is characterized in that: described cursory (3) comprise base (32), go up fixed block (33), last fixed block (33) is fixed in the base (32), described magnet (5) is fixed on the fixed block (33), and described base (32) swims on the buoyancy liquid (4).
5, induction contactless inclination sensor according to claim 3, it is characterized in that: the bottom of described lower cover (2) is fixedly connected with shell (7).
6, induction contactless inclination sensor according to claim 5, it is characterized in that: the open top of described shell (7), opening part are equipped with pcb board (8), and described magnetic induction chip (6) is electrically connected with pcb board (8).
CNU2008202006587U 2008-09-17 2008-09-17 Electromagnetic induction type contactless inclination sensor Expired - Fee Related CN201266083Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008202006587U CN201266083Y (en) 2008-09-17 2008-09-17 Electromagnetic induction type contactless inclination sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008202006587U CN201266083Y (en) 2008-09-17 2008-09-17 Electromagnetic induction type contactless inclination sensor

Publications (1)

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CN201266083Y true CN201266083Y (en) 2009-07-01

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102384742A (en) * 2011-10-15 2012-03-21 赵志强 Float-type horizontal inclination angle measuring device
CN106969750A (en) * 2017-05-09 2017-07-21 河北工业大学 Magnetic liquid omniazimuthal horizontal obliquity sensor
CN106989725A (en) * 2017-05-09 2017-07-28 河北工业大学 Quick regression magnetic liquid omniazimuthal horizontal obliquity sensor
CN107131870A (en) * 2017-05-31 2017-09-05 深圳大学 A kind of liquid suspension formula obliquity sensor
CN109153372A (en) * 2016-05-10 2019-01-04 刘荣培 Intelligent brake device system for slope road safety moving
CN109631845A (en) * 2018-11-16 2019-04-16 浙江海洋大学 Ocean platform oblique view equipment
CN109839100A (en) * 2019-03-31 2019-06-04 田锦海 It is a kind of based on the image measurer for falling self-shield and eyeglass is kept a public place clean
CN113340273A (en) * 2021-04-28 2021-09-03 徐丽红 Electromagnetic induction type contactless inclination sensor
CN114175202A (en) * 2019-07-27 2022-03-11 日本艾礼富株式会社 Tip-over detection sensor

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102384742B (en) * 2011-10-15 2013-04-17 赵志强 Float-type horizontal inclination angle measuring device
CN102384742A (en) * 2011-10-15 2012-03-21 赵志强 Float-type horizontal inclination angle measuring device
CN109153372B (en) * 2016-05-10 2021-06-11 刘荣培 Intelligent brake system for safe movement of slope
CN109153372A (en) * 2016-05-10 2019-01-04 刘荣培 Intelligent brake device system for slope road safety moving
EP3456594A4 (en) * 2016-05-10 2019-11-20 Young Bae You Smart brake system for safety when moving on slope
CN106969750A (en) * 2017-05-09 2017-07-21 河北工业大学 Magnetic liquid omniazimuthal horizontal obliquity sensor
CN106989725A (en) * 2017-05-09 2017-07-28 河北工业大学 Quick regression magnetic liquid omniazimuthal horizontal obliquity sensor
CN106989725B (en) * 2017-05-09 2022-12-20 河北工业大学 Quick return type magnetic liquid omnibearing horizontal inclination angle sensor
CN106969750B (en) * 2017-05-09 2022-12-20 河北工业大学 Magnetic liquid omnibearing horizontal inclination angle sensor
CN107131870A (en) * 2017-05-31 2017-09-05 深圳大学 A kind of liquid suspension formula obliquity sensor
CN109631845A (en) * 2018-11-16 2019-04-16 浙江海洋大学 Ocean platform oblique view equipment
CN109631845B (en) * 2018-11-16 2023-12-19 浙江海洋大学 Ocean platform inclination observation equipment
CN109839100A (en) * 2019-03-31 2019-06-04 田锦海 It is a kind of based on the image measurer for falling self-shield and eyeglass is kept a public place clean
CN114175202A (en) * 2019-07-27 2022-03-11 日本艾礼富株式会社 Tip-over detection sensor
CN113340273A (en) * 2021-04-28 2021-09-03 徐丽红 Electromagnetic induction type contactless inclination sensor
CN113340273B (en) * 2021-04-28 2022-07-22 深圳市森思德克科技有限公司 Electromagnetic induction type contactless inclination sensor

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C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: GUO SHIQIU

Free format text: FORMER OWNER: DONGGUAN MEIMA SENSOR TECHNOLOGY CO., LTD.

Effective date: 20110210

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 523007 DONGGUAN MEIMAN SENSOR TECHNOLOGY CO., LTD., ROOM 1509, GUOTAI BUILDING, BEIQIFENG ROAD, DONGCHENG DISTRICT, DONGGUAN CITY, GUANGDONG PROVINCE TO: 523000 207, BUILDING B, GAOSHENG SCIENCE AND TECHNOLOGY PARK, NO.5, LONGXI ROAD, NANCHENG DISTRICT, DONGGUAN CITY, GUANGDONG PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20110210

Address after: 523000 Guangdong Province, Dongguan Nancheng District Longxi Road No. 5 Goldman Science Park B building 207

Patentee after: Guo Shiqiu

Address before: 523007 Guangdong city of Dongguan province Dongcheng District Gang Bei Qifeng road Cathay Building room 1509 Dongguan Meiman Sensor Technology Co. Ltd.

Patentee before: Dongguan Meiman Sensor Technology Co., Ltd.

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090701

Termination date: 20120917