CN104296648A - Displacement sensor for brake valve and EBS brake valve of displacement sensor - Google Patents
Displacement sensor for brake valve and EBS brake valve of displacement sensor Download PDFInfo
- Publication number
- CN104296648A CN104296648A CN201410464895.4A CN201410464895A CN104296648A CN 104296648 A CN104296648 A CN 104296648A CN 201410464895 A CN201410464895 A CN 201410464895A CN 104296648 A CN104296648 A CN 104296648A
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- China
- Prior art keywords
- brake valve
- gearing
- hall element
- electronic unit
- displacement transducer
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Abstract
The invention discloses a displacement sensor for a brake valve and an EBS brake valve of the displacement sensor, and belongs to the technical field of automobile brake. The displacement sensor for the brake valve and the EBS brake valve of the displacement sensor solve the problems that an existing automobile braking system is long in brake reaction time and brake distance. The displacement sensor for the brake valve comprises an electronic unit integrating Hall elements and a transmission device driven by a brake valve pedal. The transmission device comprises swinging arms, rotating shafts and magnetic elements. The swinging arms are connected to the rotating shafts and drive the rotating shafts to rotate. Magnetic steel is arranged on the rotating shafts and is opposite to the Hall elements of the electronic unit. The displacement sensor is applied to the brake valve, usually the EBS brake valve.
Description
[technical field]
The present invention relates to brake valve displacement transducer and EBS brake valve thereof, belong to automobile brake technical field.
[background technology]
Brake valve of the prior art, as the primary control in the middle of running braking system, realizes sensitive servo antrol in the braking procedure and dispose procedure of two-circuit primary brake system.The principle of work of brake valve is: when driver steps on pedal; torque arm one end is made to press down balancing spring by stretching pull bar; balance arm moves down; first drain tap is closed; open air intake valve; now the pressurized air of air drum is filled with brake chamber through gas admittance valve; promoting air chamber diaphragm makes brake cam rotate thus realize wheel braking; but this process has hysteresis phenomenon usually; especially obvious especially on some trailers; also there will be similar hysteresis phenomenon between tractor and trailer, thus initiation reaction time lag, the problem such as damping force is not enough.
[summary of the invention]
Problem to be solved by this invention is just to provide a kind of brake valve displacement transducer and EBS brake valve thereof, effectively shortens the reaction time of brake system, reduces braking distance, improves security.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
Brake valve displacement transducer, comprise the electronic unit of integrated hall element and be subject to brake valve pedal-actuated gearing, described gearing comprises swing arm, rotating shaft and magnetic element, described swing arm is connected in rotating shaft and drive shaft rotates, and described magnet steel to be arranged in rotating shaft and relative with the Hall element of electronic unit.
Further, also comprise plug cover plate, described electronic unit is placed in plug cover plate, described electronic unit is connected with extension line and this extension line is drawn from plug cover plate.
Further, described gearing is by support installing on plug cover plate, and described support is provided with lining, and described rotating shaft is plugged in lining.
Further, described Hall element is three axle Hall chips.
Further, described magnetic element is magnet steel or magnet.
Further, described gearing comprises the first gearing and the second gearing, described electronic unit is integrated with the first Hall element and the second Hall element, described first Hall element produces the switching signal of corresponding brake valve pedal displacement point according to the anglec of rotation of magnetic element in the first gearing, and described second Hall element produces the linear voltage of corresponding brake valve pedal travel according to the anglec of rotation of magnetic element in the second gearing.
The invention allows for a kind of EBS brake valve, comprise air pressure control part and electrical control division, in described electrical control division, be provided with the brake valve displacement transducer described in above-mentioned arbitrary technical scheme.
Beneficial effect of the present invention:
Displacement transducer of the present invention, make use of Hall effect principle; When Hall element is arranged on geo-stationary object, if now there is the magnet process keeping geo-stationary with moving object, Hall element will produce pulse electrical signal, just can obtain the misalignment of object according to the change of pulse electrical signal completely.Be applied in the present invention, the rectilinear motion of brake valve pedal is converted to the rotary motion of magnetic element, when the Hall element on magnetic element opposing electronic unit rotates, Hall element is produced electric signal and is transferred to the electrical control division of EBS brake valve by electronic unit, for implementing to regulate to brake pressure, by adopting the acting in conjunction in the gentle pressure-controlled portion of electrical control division of displacement transducer of the present invention, shorten the reaction time of brake system, reduce braking distance, improve security.
These features of the present invention and advantage will embodiment below, exposure detailed in accompanying drawing.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is the structural representation of displacement transducer in the embodiment of the present invention.
[embodiment]
The technical scheme of accompanying drawing to the embodiment of the present invention below in conjunction with the embodiment of the present invention is explained and illustrated, but following embodiment is only the preferred embodiments of the present invention, and not all.Based on the embodiment in embodiment, those skilled in the art under the prerequisite not making creative work obtain other embodiments, all belong to protection scope of the present invention.
With reference to Fig. 1, the brake valve displacement transducer of the embodiment of the present invention, comprise support 2, plug cover plate 1, electronic unit 3 is provided with in plug cover plate 1, electronic unit 3 is integrated with the first Hall element 31 and the second Hall element 32, support 2 is provided with the first gearing and the second gearing, wherein the first gearing includes the first swing arm 41, first rotating shaft 42 and the first magnetic element 43, second gearing includes the second swing arm 51, second rotating shaft 52 and the second magnetic element 53, support 2 is provided with two linings 6, first rotating shaft 42 and the second rotating shaft 52 are plugged in respective bush separately, first swing arm 41 is enclosed within the first rotating shaft 42 upper end and is fixed by shaft block ring, second swing arm 51 is enclosed within the second rotating shaft 52 upper end and is fixed by shaft block ring, first magnetic element 43 is fixed on the first rotating shaft 42 lower end and relative with the first Hall element 31 on electronic unit 3, second magnetic element 53 is fixed on the second rotating shaft 52 lower end and relative with the second Hall element 32 on electronic unit 3.
Electronic unit 3 is connected with extension line 32, extension line 32 is electrically connected to the electrical control division of EBS brake valve, plug cover plate 1 is provided with wire hole, extension line 32 passes from wire hole, at wire hole place, O-ring seal 11 is set, and by pressing plate 12 positioning seal ring 11, for sealing the gap of wire hole and extension line 31.
In actual application, brake valve pedal directly or indirectly drives swing arm to rotate, swing arm drives rotating shaft to rotate, and magnetic element is rotated relative to the Hall element on electronic unit 3, and Hall element can be produced electric signal and is transferred to the electrical control division of EBS brake valve by electronic unit 3.Because the present embodiment is provided with the first Hall element 31 and the second Hall element 32, after stepping on brake valve pedal, first swing arm 41 drives the first rotating shaft 42 to rotate, first magnetic element 43 is rotated relative to the first Hall element 31, second swing arm 51 drives the second rotating shaft 52 to rotate, second magnetic element 53 is rotated relative to the second Hall element 32, first Hall element 31 produces the switching signal of corresponding brake valve pedal displacement point according to the anglec of rotation of the first magnetic element 43 in the first gearing, second Hall element 32 produces the linear voltage of corresponding brake valve pedal travel according to the anglec of rotation of the second magnetic element 53 in the second gearing, switching signal and linear voltage are transferred to the electrical control division of EBS brake valve by the extension line of electronic unit 3, for implementing to regulate to brake pressure.Wherein, the linear voltage of output can be programmed setting, and travel point corresponding to switching signal also can be programmed setting.
First magnetic element 43 of the present embodiment and the second magnetic element 53 are magnet steel or magnet, first Hall element 31 and the second Hall element 32 all adopt three axle Hall chips, three axle Hall chips are MLX90316 chip, the angular position information with chip surface parallel magnetic field can be exported, realize the non-contact rotational angle sensing of frequent demand, when magnetic element just rotates on the chip surface, MLX90316 chip can respond to its absolute angle position.
EBS brake valve proposed by the invention, be mainly used in the braking ability improving automobile, by introducing the displacement transducer of the present embodiment in pneumatic control portion, Hall effect principle is utilized to detect stroke and the displacement point of brake valve pedal, detect data in conjunction with these two and improve control effects, thus make EBS brake system have shorter brake reaction time, reduce braking distance, improve security.
The embodiment of the present invention is applied to brake valve, normally EBS brake valve.
The above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and is familiar with this those skilled in the art and should be understood that and the present invention includes but the content being not limited to accompanying drawing and describing in embodiment above.Any amendment not departing from function and structure principle of the present invention all will comprise within the scope of the appended claims.
Claims (7)
1. brake valve displacement transducer, it is characterized in that: comprise the electronic unit of integrated hall element and be subject to brake valve pedal-actuated gearing, described gearing comprises swing arm, rotating shaft and magnetic element, described swing arm is connected in rotating shaft and drive shaft rotates, and described magnet steel to be arranged in rotating shaft and relative with the Hall element of electronic unit.
2. brake valve displacement transducer as claimed in claim 1, it is characterized in that: also comprise plug cover plate, described electronic unit is placed in plug cover plate, described electronic unit is connected with extension line and this extension line is drawn from plug cover plate.
3. brake valve displacement transducer as claimed in claim 2, is characterized in that: described gearing is by support installing on plug cover plate, and described support is provided with lining, and described rotating shaft is plugged in lining.
4. the brake valve displacement transducer as described in any one of claims 1 to 3, is characterized in that: described Hall element is three axle Hall chips.
5. the brake valve displacement transducer as described in any one of claims 1 to 3, is characterized in that: described magnetic element is magnet steel or magnet.
6. the brake valve displacement transducer as described in any one of claims 1 to 3, it is characterized in that: described gearing comprises the first gearing and the second gearing, described electronic unit is integrated with the first Hall element and the second Hall element, described first Hall element produces the switching signal of corresponding brake valve pedal displacement point according to the anglec of rotation of magnetic element in the first gearing, and described second Hall element produces the linear voltage of corresponding brake valve pedal travel according to the anglec of rotation of magnetic element in the second gearing.
7.EBS brake valve, comprises air pressure control part and electrical control division, it is characterized in that: be provided with the brake valve displacement transducer as described in any one of claim 1 to 6 in described electrical control division.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410464895.4A CN104296648A (en) | 2014-09-12 | 2014-09-12 | Displacement sensor for brake valve and EBS brake valve of displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410464895.4A CN104296648A (en) | 2014-09-12 | 2014-09-12 | Displacement sensor for brake valve and EBS brake valve of displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104296648A true CN104296648A (en) | 2015-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410464895.4A Pending CN104296648A (en) | 2014-09-12 | 2014-09-12 | Displacement sensor for brake valve and EBS brake valve of displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104296648A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111448443A (en) * | 2017-12-04 | 2020-07-24 | 赛菲斯特弗雷结构技术股份公司 | Displacement converter device |
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| CN1677017A (en) * | 2004-03-31 | 2005-10-05 | 松下电器产业株式会社 | Refrigeration circulation device and control method thereof |
| CN1677047A (en) * | 2005-04-28 | 2005-10-05 | 成都依姆特高科技有限责任公司 | Motor vehicle pedal position sensing device |
| DE102007002221A1 (en) * | 2007-01-10 | 2008-07-17 | Paragon Ag | Stroke sensor device for e.g. clutch pedal, has evaluation unit detecting signal values of Hall-effect sensors, where signal values are processed for electric output signal, which characterizes position of component e.g. clutch pedal |
| CN201463825U (en) * | 2009-07-23 | 2010-05-12 | 宝山钢铁股份有限公司 | Stroke detecting device of unit brake |
| CN102120450A (en) * | 2011-01-26 | 2011-07-13 | 瑞立集团瑞安汽车零部件有限公司 | Main brake valve with electronic-control pneumatic-control dual-circuit signals |
| CN102252590A (en) * | 2010-05-21 | 2011-11-23 | 喻继远 | Displacement distance sensor for clutch brake of press machine |
| CN104149758A (en) * | 2013-05-13 | 2014-11-19 | 株式会社万都 | Installation structure for pedal stroke sensor |
| CN204301676U (en) * | 2014-09-12 | 2015-04-29 | 浙江万安科技股份有限公司 | Brake activation valve displacement pickup and EBS brake activation valve thereof |
-
2014
- 2014-09-12 CN CN201410464895.4A patent/CN104296648A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1677017A (en) * | 2004-03-31 | 2005-10-05 | 松下电器产业株式会社 | Refrigeration circulation device and control method thereof |
| CN1677047A (en) * | 2005-04-28 | 2005-10-05 | 成都依姆特高科技有限责任公司 | Motor vehicle pedal position sensing device |
| DE102007002221A1 (en) * | 2007-01-10 | 2008-07-17 | Paragon Ag | Stroke sensor device for e.g. clutch pedal, has evaluation unit detecting signal values of Hall-effect sensors, where signal values are processed for electric output signal, which characterizes position of component e.g. clutch pedal |
| CN201463825U (en) * | 2009-07-23 | 2010-05-12 | 宝山钢铁股份有限公司 | Stroke detecting device of unit brake |
| CN102252590A (en) * | 2010-05-21 | 2011-11-23 | 喻继远 | Displacement distance sensor for clutch brake of press machine |
| CN102120450A (en) * | 2011-01-26 | 2011-07-13 | 瑞立集团瑞安汽车零部件有限公司 | Main brake valve with electronic-control pneumatic-control dual-circuit signals |
| CN104149758A (en) * | 2013-05-13 | 2014-11-19 | 株式会社万都 | Installation structure for pedal stroke sensor |
| CN204301676U (en) * | 2014-09-12 | 2015-04-29 | 浙江万安科技股份有限公司 | Brake activation valve displacement pickup and EBS brake activation valve thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111448443A (en) * | 2017-12-04 | 2020-07-24 | 赛菲斯特弗雷结构技术股份公司 | Displacement converter device |
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| PB01 | Publication | ||
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Application publication date: 20150121 |