CN102435211A - Non-contact type Hall position annunciator for oil filling and conveying valve - Google Patents
Non-contact type Hall position annunciator for oil filling and conveying valve Download PDFInfo
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- CN102435211A CN102435211A CN2011102667001A CN201110266700A CN102435211A CN 102435211 A CN102435211 A CN 102435211A CN 2011102667001 A CN2011102667001 A CN 2011102667001A CN 201110266700 A CN201110266700 A CN 201110266700A CN 102435211 A CN102435211 A CN 102435211A
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- Prior art keywords
- hall
- oil transportation
- adds
- sensor signal
- contactless
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- 239000003921 oil Substances 0.000 claims abstract description 49
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 9
- 239000003381 stabilizer Substances 0.000 claims abstract description 9
- 230000001629 suppression Effects 0.000 claims abstract description 6
- 230000001052 transient effect Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 5
- 239000003292 glue Substances 0.000 claims abstract description 4
- 239000000565 sealant Substances 0.000 claims abstract description 3
- 239000004411 aluminium Substances 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 5
- 230000001131 transforming effect Effects 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- WUUZKBJEUBFVMV-UHFFFAOYSA-N copper molybdenum Chemical compound [Cu].[Mo] WUUZKBJEUBFVMV-UHFFFAOYSA-N 0.000 claims description 2
- 238000005538 encapsulation Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 7
- 230000011664 signaling Effects 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
A non-contact type oil adding and conveying valve Hall position annunciator is characterized in that a surface mounted Hall integrated circuit, a voltage stabilizer, an anti-surge protection device, a signal conversion device, a power line and a signal line are welded on a printed circuit board, and the anti-surge protection device adopts a chip type transient suppression diode to absorb surge voltage; encapsulating the component combination unit in an aluminum alloy shell by using high-low temperature resistant silicon rubber with good bonding performance to form a non-contact oil adding and conveying valve Hall position annunciator; sealing a Hall position signal of a non-contact type oil adding and conveying valve by using sealant, and then installing the Hall position signal on an oil adding and conveying cast aluminum pipe; according to the structure of the surface-mounted Hall integrated circuit, a Hall sensing point is arranged at a position 4mm away from the head of the shell of the cast aluminum tube; designing a magnetic steel with phi 4 multiplied by 4mm to be fixed in an aluminum alloy protective sleeve on the phi 6 multiplied by 4 cast aluminum pipe by glue and to be installed on an airplane oil feeding valve; thus, the use requirement of the airplane can be met.
Description
Technical field
The invention belongs to the magneto-dependent sensor field.Especially relate to a kind of hall sensor signal device that the aircraft measurement adds oil transportation valve position that is used for, relate to the contactless oil transportation valve hall sensor signal device designing technique that adds of the wide operating temperature range of a kind of highly reliable small size.
Background technology
As the known technology of the hall position sensor of measuring position, be to be that core constitutes the hall position sensor of forming with the hall device, characteristics such as that this type sensor has is contactless, do not have wearing and tearing, output waveform is clear.Traditional hall position sensor volume is big, and operating temperature range is-40～+ 85 ℃, and anti-power voltage surge is low, adds oil transportation valve position at aircraft and installs and uses and be restricted, and main cause is:
1, the inner hall device that uses is the plastic packaging circuit, can not satisfy operating temperature range and be-55～+ 125 ℃, storage temperature range and be the request for utilization of-55～+ 150 ℃ and high reliability long life.
2, traditional anti-power voltage surge of hall position sensor can only reach 40V.
3, traditional hall position sensor is a circular configuration, and volume is big.
4, surveying work position (signal upset working point) can not be in 4.5mm～5.5mm scope under normal temperature, high temperature and the low temperature environment.
Sometimes can't reliably not judge the opening and closing state when adding oil transportation owing to have the contactless position signalling means that volume is little, in light weight, operating temperature range is wide, measuring accuracy is high, highly reliable, aircraft to add the oil transportation valve, the oil transportation amount what can't be known.And the inventive method can address this problem.
Hall integrated circuit is a kind of magneto-dependent sensor, is made up of Hall element, voltage stabilizer, differential amplifier, this schmitt trigger and output stage, and WV is 5V～24V, and traditional Hall integrated circuit working point discreteness is big, and scope is 4～25mT.But scope that it is responsive and working position relation are bigger.
Summary of the invention
The objective of the invention is the deficiency that exists to prior art, provide a kind of aircraft with measuring highly reliable, the small size that adds oil transportation valve position, wide operating temperature range, the contactless oil transportation valve hall sensor signal device that adds that anti-power surge ability is strong.Especially the accurate contactless oil transportation valve hall sensor signal device that adds of responsive scope.
Technical scheme of the present invention is following: the contactless oil transportation valve hall sensor signal device that adds; Paster Hall integrated circuit, voltage stabilizer, anti-surge protective device, signal transforming device and power lead, all components and parts of signal wire are welded on the printed wiring board; Anti-surge protective device TVS is serially connected with between power supply and the ground; Output termination second voltage stabilizer of three terminal regulator wherein; Second voltage stabilizer connects the HALL power end, and the HALL output terminal is through signal transforming device, and the printed board of accomplishing welding constitutes the hall sensor signal device; Anti-surge protective device selects for use the chip Transient Suppression Diode to absorb surge voltage; The components and parts assembled unit is encapsulated in the aluminum alloy casing with high-low temperature resistant, silicon rubber that adhesive property is good, becomes a contactless oil transportation valve hall sensor signal device that adds; Contactless adding, after sealing with fluid sealant, oil transportation valve hall sensor signal device is installed on the cast aluminium pipe that adds oil transportation; Structure according to the paster Hall integrated circuit is arranged on the hall sensing point from cast aluminium pipe shell head 4mm position; The magnet steel of design Ф 4 * 4mm is fixed on glue on the cast aluminium pipe of Ф 6 * 4 in the aluminium alloy protective sleeve, is installed in aircraft and adds on the oil transportation valve; So just can satisfy the request for utilization of aircraft.
The cover plate face of described paster Hall circuit is towards the contactless position of induction point thereof that adds oil transportation valve hall sensor signal device sign; Position of induction point thereof is over against the S utmost point of oil transportation valve upper magnetic steel, and the magnet steel S on valve extremely surface leaves the contactless output LOW voltage in oil transportation valve hall sensor signal device sensitive surface 4.5mm～5.5mm scope that adds.
The contactless oil transportation valve hall sensor signal device that adds provided by the invention comprises aluminum alloy casing, printed board, high temperature wire, Hall integrated circuit, silicon rubber and supporting magnet steel.
It is the novel position signalling apparatus of using the Hall effect principle design that highly reliable small size adds the contactless hall sensor signal device of oil transportation valve.Signalling means is installed in and adds oil transportation valve porch, closes when putting in place when adding the oil transportation valve, and the signalling means output low level, when adding the oil transportation valve and leave off-position, signalling means output high level.
Beneficial effect of the present invention: proposed the highly reliable paster Hall integrated circuit of a kind of little shape, thin type pottery air-tight packaging, the little requirement with the serviceability temperature wide ranges of the volume that meets the demands.
1, adopt the contactless oil transportation valve hall sensor signal utensil that adds of the paster Hall integrated circuit of ceramic air-tight packaging that very wide operating temperature range and reserve temperature range are arranged.
That 2, has adopted the chip Transient Suppression Diode contactlessly adds the surge voltage that oil transportation valve hall sensor signal device can absorb 80V (time 100ms).
3, volume is little, in light weight, and weight has only 7g, does not influence the weight of aircraft.
4, the contactless oil transportation valve hall sensor signal device that adds can satisfy technical requirement through high temperature test, low-temperature test, high temperature storage, temperature cycles, high temperature service life, random vibration, impact, EMC, anti-power surge after testing, and can solve aircraft and add the difficult problem that the oil transportation valve needs the measuring position.
In a word, (signal upset working point) guarantees sensing in 4.5mm～5.5mm scope in surveying work position under normal temperature, high temperature and the low temperature environment in the present invention, is the accurate contactless oil transportation valve hall sensor signal device that adds of a kind of sensing scope.
Description of drawings
Fig. 1 is a paster Hall integrated circuit outside drawing;
Fig. 2 is the Hall integrated circuit output characteristics figure;
Fig. 3 adds the contactless hall sensor signal device of oil transportation valve structural drawing for highly reliable small size;
Fig. 4 adds contactless hall sensor signal device of oil transportation valve and magnet steel location diagram for highly reliable small size;
Fig. 5 adds the contactless hall sensor signal device of oil transportation valve electronic circuit schematic diagram for highly reliable small size.
Embodiment
The highly reliable paster Hall integrated circuit 1 of little shape, thin type pottery air-tight packaging is as shown in Figure 1; Volume is 5.5mm * 3.6mm * 1.7mm; When design chips, adopt compensation and safeguard measure, the operating temperature range of paster Hall integrated circuit is reached-55～+ 125 ℃, storage temperature range reaches-55～+ 150 ℃; Test selection work point is the Chip Packaging of 12～12.5mT, and the paster Hall integrated circuit adopts black ceramic chassis and no magnetic molybdenum copper cover plate encapsulation.Packaged bak stay Hall integrated circuit carries out electric performance test, and output characteristic curve is as shown in Figure 2, and the paster Hall integrated circuit of test passes carries out high low-temperature test, high low temperature circulation, and high temperature powers up ageing; Tests such as high temperature storage, low tempertaure storage, leak detection, PIND.Qualified Hall circuit and Transient Suppression Diode, signal transforming device and power lead, signal wire are welded on the printed wiring board and are assembled into the components and parts assembled unit; The components and parts assembled unit is encapsulated in the aluminum alloy casing of particular design with high-low temperature resistant, silicon rubber that adhesive property is good; Through an aluminum alloy casing 2; 7.9mm * 5.9mm is the inductive head size, Ф 11 * 2mm is the sealing round platform; The structural drawing that components and parts assembled unit 3 is potted in the shell is as shown in Figure 4; Adopt the SmCo magnet steel, magnetize that it is saturated to be charged to, surface induction intensity is 175mT ± 2 mT, and magnet steel 5 usefulness glue 4 are fixed in the aluminium alloy protective sleeve of Ф 6 * 4, are installed in aircraft and add on the oil transportation valve; Structure according to Hall integrated circuit is arranged on hall sensing point 6 from head (aluminium alloy protective sleeve) 4mm position; Fig. 4 is contactless hall sensor signal device and magnet steel location diagram; Magnet steel can move up and down when valve opening and closing position changed; Add output LOW voltage in oil transportation valve hall sensor signal device sensitive surface 4.5mm～5.5mm scope when magnet steel S utmost point surface distance is contactless, output HIGH voltage away from greater than 4.5mm～5.5mm the time.
Principle of work of the present invention is as shown in Figure 5; Form by Hall integrated circuit, Transient Suppression Diode, three terminal regulator, electric capacity, high-power resistance; Frame of broken lines is the paster Hall integrated circuit, is made up of Hall element, voltage stabilizer, differential amplifier, this schmitt trigger and output stage.
Embodiments of the invention: aircraft adds the supporting position signalling apparatus volume of oil transportation valve requirement and is not more than 7.9mm * 5.9mm * 17mm; Weight is less than 10g, and the measuring position is 5mm ± 0.5mm, and operating temperature range is-55～+ 125 ℃; Storage temperature range is-55～+ 150 ℃; Working power voltage VCC is+16V～+ 28V, anti-power voltage surge reaches 80V (time 100ms) output HIGH voltage>=10V, output LOW voltage≤0.5V; The back requirement is installed solves sealing problem, prevent that Aviation Fuel from leaking; Supporting magnet steel volume is Ф 4 * 4mm.
Claims (3)
1. the contactless oil transportation valve hall sensor signal device that adds; It is characterized in that paster Hall integrated circuit, voltage stabilizer, anti-surge protective device, signal transforming device and power lead, signal wire are welded on the printed wiring board at all interior components and parts; Anti-surge protective device TVS is serially connected with between power supply and the ground; Output termination second voltage stabilizer of three terminal regulator wherein; Second voltage stabilizer connects the HALL power end, and the HALL output terminal is through signal transforming device, and the printed board of accomplishing welding constitutes the hall sensor signal device; Anti-surge protective device selects for use the chip Transient Suppression Diode to absorb surge voltage; The components and parts assembled unit is encapsulated in the aluminum alloy casing with high-low temperature resistant, silicon rubber that adhesive property is good, becomes a contactless oil transportation valve hall sensor signal device that adds; Contactless adding, after sealing with fluid sealant, oil transportation valve hall sensor signal device is installed on the cast aluminium pipe that adds oil transportation; Structure according to the paster Hall integrated circuit is arranged on the hall sensing point from cast aluminium pipe shell head 4mm position; The magnet steel of design Ф 4 * 4mm is fixed on glue on the cast aluminium pipe of Ф 6 * 4 in the aluminium alloy protective sleeve, is installed in aircraft and adds on the oil transportation valve.
2. the contactless oil transportation valve hall sensor signal device that adds according to claim 1; The cover plate face that it is characterized in that described paster Hall circuit is towards the contactless position of induction point thereof that adds oil transportation valve hall sensor signal device sign; Position of induction point thereof is over against the S utmost point of oil transportation valve upper magnetic steel, and the magnet steel S on valve extremely surface leaves the contactless output LOW voltage in oil transportation valve hall sensor signal device sensitive surface 4.5mm～5.5mm scope that adds.
3. the contactless oil transportation valve hall sensor signal device that adds according to claim 1 is characterized in that the paster Hall integrated circuit adopts black ceramic chassis and no magnetic molybdenum copper cover plate encapsulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102667001A CN102435211A (en) | 2011-09-09 | 2011-09-09 | Non-contact type Hall position annunciator for oil filling and conveying valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102667001A CN102435211A (en) | 2011-09-09 | 2011-09-09 | Non-contact type Hall position annunciator for oil filling and conveying valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102435211A true CN102435211A (en) | 2012-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102667001A Pending CN102435211A (en) | 2011-09-09 | 2011-09-09 | Non-contact type Hall position annunciator for oil filling and conveying valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102435211A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106428588A (en) * | 2016-10-25 | 2017-02-22 | 广州飞机维修工程有限公司 | Circuit for indicating position of pneumatic pressure regulating valve of aircraft pneumatic system |
| CN110824391A (en) * | 2019-11-08 | 2020-02-21 | 南京中旭电子科技有限公司 | Design method of long-detection-distance high-precision Hall position annunciator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5107388A (en) * | 1988-08-12 | 1992-04-21 | Mitsubishi Denki K.K. | Hall-effect magnetic sensor arrangement |
| CN1369905A (en) * | 2001-02-16 | 2002-09-18 | 安普生科技股份有限公司 | Package method for high-correctness high-sensitivity Hall sensor and IC |
| CN201450001U (en) * | 2009-06-25 | 2010-05-05 | 南京中旭电子科技有限公司 | Non-magnetic ceramic air-tight packaging outer casing structure of high-reliability hall integrated circuit |
| CN101833073A (en) * | 2010-05-18 | 2010-09-15 | 苏州和迈微电子技术有限公司 | On-chip integrated cmos latch Hall sensor |
-
2011
- 2011-09-09 CN CN2011102667001A patent/CN102435211A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5107388A (en) * | 1988-08-12 | 1992-04-21 | Mitsubishi Denki K.K. | Hall-effect magnetic sensor arrangement |
| CN1369905A (en) * | 2001-02-16 | 2002-09-18 | 安普生科技股份有限公司 | Package method for high-correctness high-sensitivity Hall sensor and IC |
| CN201450001U (en) * | 2009-06-25 | 2010-05-05 | 南京中旭电子科技有限公司 | Non-magnetic ceramic air-tight packaging outer casing structure of high-reliability hall integrated circuit |
| CN101833073A (en) * | 2010-05-18 | 2010-09-15 | 苏州和迈微电子技术有限公司 | On-chip integrated cmos latch Hall sensor |
Non-Patent Citations (2)
| Title |
|---|
| 张文鹏: "一种抗浪涌保护器件的研制", 《中国优秀硕士学位论文全文数据库信息科技II辑》 * |
| 邰艳芳: "摩托车用霍尔效应转速传感器的研究与开发", 《中国优秀硕士学位论文全文数据库信息科技辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106428588A (en) * | 2016-10-25 | 2017-02-22 | 广州飞机维修工程有限公司 | Circuit for indicating position of pneumatic pressure regulating valve of aircraft pneumatic system |
| CN106428588B (en) * | 2016-10-25 | 2023-03-10 | 广州飞机维修工程有限公司 | Position indicating circuit for pneumatic pressure regulating valve of aircraft pneumatic system |
| CN110824391A (en) * | 2019-11-08 | 2020-02-21 | 南京中旭电子科技有限公司 | Design method of long-detection-distance high-precision Hall position annunciator |
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Application publication date: 20120502 |