CN102059997A - Trigger device for crash sensor - Google Patents
Trigger device for crash sensor Download PDFInfo
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- CN102059997A CN102059997A CN 201010551129 CN201010551129A CN102059997A CN 102059997 A CN102059997 A CN 102059997A CN 201010551129 CN201010551129 CN 201010551129 CN 201010551129 A CN201010551129 A CN 201010551129A CN 102059997 A CN102059997 A CN 102059997A
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- magnetic ring
- crash sensor
- outer magnetic
- flip flop
- internal magnetic
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Abstract
The invention relates to a trigger device for a crash sensor. The device comprises an inner magnetic ring and an outer magnetic ring, wherein the cross sections of the inner magnetic ring and the outer magnetic ring are round rings; the inner magnetic ring is movably arranged in the outer magnetic ring, and a space is reserved between the inner magnetic ring and the outer magnetic ring; the outside of the inner magnetic ring and the inside of the outer magnetic ring have the same magnetic polarity; the inner magnetic ring and the outer magnetic ring are conductors and connected with the crash sensor through lead wires; and under the action of certain acceleration, the inner magnetic ring overcomes the repulsive force to move, and is contacted with the outer magnetic ring. By adopting the trigger device for a crash sensor, the inner magnetic ring and the outer magnetic ring are not contacted under the common condition, when high enough acceleration in an arbitrary direction is obtained, the inner magnetic ring overcomes the repulsive force to move, and is contacted with the outer magnetic ring to conduct the two poles of the crash sensor and trigger the crash sensor to generate a crash signal, so the trigger device for a crash sensor with the structure can sense crash from any direction, can be recycled, has a simple structure, high reliability and wide application range.
Description
Technical field
The present invention relates to sensor field, particularly the crash sensor field specifically is meant a kind of crash sensor flip flop equipment.
Background technology
Often use crash sensor in automobile and other relevant industries, when colliding, be used for triggering the startup of safety guards such as safety air bag, or be used to cut off the power supply etc. of high-power components.The structure of present widely used crash sensor flip flop equipment is directive, be generally 1 the dimension 2 to.Use so unidirectional crash sensor respectively in directions such as the forward of running car, side direction, an automobile needs at least 4 flip flop equipments, and usually can not repeated usage.Cause the manufacturing cost of crash sensor higher thus.
Summary of the invention
The objective of the invention is to have overcome above-mentioned shortcoming of the prior art, provide a kind of universal, can be recycled, simple in structure, with low cost, and the wider crash sensor flip flop equipment of field of application.
In order to realize above-mentioned purpose, crash sensor flip flop equipment of the present invention has following formation:
This crash sensor flip flop equipment comprises internal magnetic ring and outer magnetic ring, the cross-sectional plane of described internal magnetic ring and outer magnetic ring is annulus, described internal magnetic ring is movably set in the described outer magnetic ring, and and outer magnetic ring between have spacing, the described internal magnetic ring outside has identical pole polarity with the outer magnetic ring inboard, described internal magnetic ring is conductor and is connected crash sensor by lead respectively with outer magnetic ring, internal magnetic ring is connected in the positive pole of crash sensor, outer magnetic ring is connected in negative pole, under the effect of certain acceleration, internal magnetic ring overcomes repulsion motion, thereby and contacts the both positive and negative polarity of the described crash sensor of conducting with outer magnetic ring.
In this crash sensor flip flop equipment, described flip flop equipment also comprises upper cover plate, lower cover and insulated shell, be embedded with described outer magnetic ring in the described insulated shell, described upper cover plate and lower cover are fastened on the top and bottom of described insulated shell respectively, and described internal magnetic ring is located between described upper cover plate and the lower cover by head bearing and movable the supporting of lower bearing respectively.
In this crash sensor flip flop equipment, described head bearing and lower bearing are ball bearing of main shaft.
In this crash sensor flip flop equipment, the described lead that is connected between outer magnetic ring and the crash sensor is arranged in the described insulated shell.
In this crash sensor flip flop equipment, described head bearing, lower bearing, upper cover plate and lower cover are conductor, the described lead that is connected between internal magnetic ring and the crash sensor is connected between described head bearing or lower bearing or upper cover plate or lower cover and the crash sensor, and by institute's bonded assembly head bearing, lower bearing, upper cover plate or described internal magnetic ring of lower cover conducting and crash sensor.
In this crash sensor flip flop equipment, the material of described internal magnetic ring and/or outer magnetic ring is a magnet steel.
In this crash sensor flip flop equipment, the magnetic-field intensity between described internal magnetic ring and outer magnetic ring is preset by magnetizing to internal magnetic ring and outer magnetic ring.
In this crash sensor flip flop equipment, the magnetic-field intensity between described internal magnetic ring and the outer magnetic ring on all directions is all identical, and described internal magnetic ring and outer magnetic ring are donut and are in stable state.
Adopted the crash sensor flip flop equipment of this invention, because it comprises internal magnetic ring and outer magnetic ring, and the internal magnetic ring outside has identical pole polarity with the outer magnetic ring inboard, therefore interior under normal conditions outer magnetic ring does not contact, when obtaining the enough big acceleration/accel of any direction, internal magnetic ring overcomes repulsion motion, thereby and contact the both positive and negative polarity of the described crash sensor of conducting with outer magnetic ring, the triggering crash sensor sends collision alarm.The crash sensor flip flop equipment of this structure has the collision that can respond to any direction, can be recycled, and simple in structure, reliability height, the advantage that field of application is wider.
Description of drawings
Fig. 1 is the perspective view of crash sensor flip flop equipment of the present invention.
Fig. 2 is the vertical section structural representation of crash sensor flip flop equipment of the present invention.
Fig. 3 is the section drawing in crash sensor flip flop equipment of the present invention B-B cross section in Fig. 2.
The specific embodiment
In order more to be expressly understood technology contents of the present invention, describe in detail especially exemplified by following examples.
See also Fig. 1 to shown in Figure 3, be respectively the structural representation of crash sensor flip flop equipment of the present invention.
In this embodiment, crash sensor flip flop equipment of the present invention comprises internal magnetic ring 1, outer magnetic ring 2, upper cover plate 3, lower cover 4 and insulated shell 5.Wherein, the cross-sectional plane of described internal magnetic ring 1 and outer magnetic ring 2 is annulus, and described internal magnetic ring 1 is movably set in the described outer magnetic ring 2, and and 2 of outer magnetic rings have spacing.As shown in Figure 3, the inboard of the outside of described internal magnetic ring 1 and outer magnetic ring 2 has identical pole polarity.Described internal magnetic ring 1 is conductor and is connected crash sensor by lead respectively with outer magnetic ring 2, and internal magnetic ring 1 is connected in the positive pole of crash sensor, and outer magnetic ring 2 is connected in negative pole.Under the effect of certain acceleration, internal magnetic ring 1 overcomes repulsion motion, thereby and contacts the both positive and negative polarity of the described crash sensor of conducting with outer magnetic ring 2.Described outer magnetic ring 2 is embedded in the described insulated shell 5, and described upper cover plate 3 and lower cover 4 are fastened on the top and bottom of described insulated shell 5 respectively.Described internal magnetic ring 1 is located between described upper cover plate 3 and the lower cover 4 by head bearing 6 and lower bearing 7 movable supporting respectively.The described lead 8 that is connected between outer magnetic ring 2 and the crash sensor is arranged in the described insulated shell 5.Described head bearing 6, lower bearing 7, upper cover plate 3 and lower cover 4 are conductor, the described lead (not shown) that is connected between internal magnetic ring 1 and the crash sensor is connected between described head bearing 6 or lower bearing 7 or upper cover plate 3 or lower cover 4 and the crash sensor, and by institute's bonded assembly head bearing 6, lower bearing 7, upper cover plate 3 or described internal magnetic ring 1 of lower cover 4 conductings and crash sensor.
In a kind of more preferably embodiment, described head bearing 6 and lower bearing 7 are ball bearing of main shaft.
More preferably in the embodiment, the material of described internal magnetic ring 1 and/or outer magnetic ring 2 is a magnet steel at another kind.The magnetic-field intensity that described internal magnetic ring 1 and outer magnetic ring are 2 is preset by magnetizing to internal magnetic ring 1 and outer magnetic ring 2.
In a kind of preferred embodiment, the magnetic-field intensity between described internal magnetic ring 1 and the outer magnetic ring 2 on all directions is all identical, and described internal magnetic ring 1 is donut with outer magnetic ring 2 and is in stable state.
In an application of the invention, the upper cover plate 3 of crash sensor flip flop equipment of the present invention and lower cover 4 tightly are clipped in the middle internal magnetic ring 1 and metal (upper 6 and 7, internal magnetic ring 1 all is the magnet steel that can magnetize with outer magnetic ring 2, as shown in Figure 3, internal magnetic ring 1 and outer magnetic ring 2 relative one sides have identical pole polarity, bear repulsion each other, assurance internal magnetic ring 1 can not run into outer magnetic ring 2 under the situation that is not subjected to the bigger power that comes from acceleration/accel.Between bearing 6,7 and the cover plate 3,4 is friction of rolling, utilizes grease lubrication, can reduce mechanical wear greatly. Cover plate 3 and 4 utilizes the two ends that are bolted to insulated shell 5 up and down.The material of insulated shell 5 can be insulating materials such as nylon or epoxy resin.Pass insulated shell 5 for the lead 8 of outer magnetic ring 2 energisings, and wire outlet is carried out encapsulation process.Internal magnetic ring 1 conduction can lean on bearing 6,7 and up and down cover plate 3,4 directly conduct, as long as with outer magnetic ring 2 between maintenance insulate.Perhaps also can pass through lead, pass, so just can guarantee the interference that is not subjected to extraneous electric current of total system from insulated shell 5.Collision takes place in; obtain very big acceleration/accel owing to slow down suddenly; making internal magnetic ring 1 and outer magnetic ring 2 overcome repulsion contacts with each other; (size of repulsion is according to the acceleration information of the experiment of colliding; conversion is magnetic-field intensity, sets when magnetizing for magnet ring 1 and 2) trigger collision alarm, safety air bag is ejected; perhaps make the high-power electronic device outage, thus protection passenger's safety.
Adopted the crash sensor flip flop equipment of this invention, because it comprises internal magnetic ring and outer magnetic ring, and the internal magnetic ring outside has identical pole polarity with the outer magnetic ring inboard, therefore interior under normal conditions outer magnetic ring does not contact, when obtaining the enough big acceleration/accel of any direction, internal magnetic ring overcomes repulsion motion, thereby and contact the both positive and negative polarity of the described crash sensor of conducting with outer magnetic ring, the triggering crash sensor sends collision alarm.The crash sensor flip flop equipment of this structure has the collision that can respond to any direction, can be recycled, and simple in structure, reliability height, the advantage that field of application is wider.
In this specification sheets, the present invention is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification sheets and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (8)
1. crash sensor flip flop equipment, it is characterized in that, described flip flop equipment comprises internal magnetic ring and outer magnetic ring, the cross-sectional plane of described internal magnetic ring and outer magnetic ring is annulus, described internal magnetic ring is movably set in the described outer magnetic ring, and and outer magnetic ring between have spacing, the described internal magnetic ring outside has identical pole polarity with the outer magnetic ring inboard, described internal magnetic ring is conductor and is connected crash sensor by lead respectively with outer magnetic ring, internal magnetic ring is connected in the positive pole of crash sensor, outer magnetic ring is connected in negative pole, under the effect of certain acceleration, internal magnetic ring overcomes repulsion motion, thereby and contacts the both positive and negative polarity of the described crash sensor of conducting with outer magnetic ring.
2. crash sensor flip flop equipment according to claim 1, it is characterized in that, described flip flop equipment also comprises upper cover plate, lower cover and insulated shell, be embedded with described outer magnetic ring in the described insulated shell, described upper cover plate and lower cover are fastened on the top and bottom of described insulated shell respectively, and described internal magnetic ring is located between described upper cover plate and the lower cover by head bearing and movable the supporting of lower bearing respectively.
3. crash sensor flip flop equipment according to claim 2 is characterized in that described head bearing and lower bearing are ball bearing of main shaft.
4. crash sensor flip flop equipment according to claim 2 is characterized in that, the described lead that is connected between outer magnetic ring and the crash sensor is arranged in the described insulated shell.
5. crash sensor flip flop equipment according to claim 2, it is characterized in that, described head bearing, lower bearing, upper cover plate and lower cover are conductor, the described lead that is connected between internal magnetic ring and the crash sensor is connected between described head bearing or lower bearing or upper cover plate or lower cover and the crash sensor, and by institute's bonded assembly head bearing, lower bearing, upper cover plate or described internal magnetic ring of lower cover conducting and crash sensor.
6. according to each described crash sensor flip flop equipment in the claim 1 to 5, it is characterized in that the material of described internal magnetic ring and/or outer magnetic ring is a magnet steel.
7. crash sensor flip flop equipment according to claim 6 is characterized in that, the magnetic-field intensity between described internal magnetic ring and outer magnetic ring is preset by magnetizing to internal magnetic ring and outer magnetic ring.
8. crash sensor flip flop equipment according to claim 7 is characterized in that the magnetic-field intensity between described internal magnetic ring and the outer magnetic ring on all directions is all identical, and described internal magnetic ring and outer magnetic ring are donut and are in stable state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010551129 CN102059997A (en) | 2010-11-19 | 2010-11-19 | Trigger device for crash sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010551129 CN102059997A (en) | 2010-11-19 | 2010-11-19 | Trigger device for crash sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102059997A true CN102059997A (en) | 2011-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010551129 Pending CN102059997A (en) | 2010-11-19 | 2010-11-19 | Trigger device for crash sensor |
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| CN (1) | CN102059997A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109091075A (en) * | 2018-08-17 | 2018-12-28 | 天佑电器（苏州）有限公司 | Self-moving device and its traveling control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3205560A1 (en) * | 1982-02-17 | 1983-08-25 | Ingenieurbüro für Industrietechnik Manfred Knüfelmann GmbH, 4000 Düsseldorf | Inductive accelerometer |
| DE3809887A1 (en) * | 1988-03-24 | 1989-10-05 | Teves Gmbh Alfred | Sensor for measuring mechanical motion quantities |
| FR2686421A1 (en) * | 1990-11-29 | 1993-07-23 | Peugeot | Element for detecting determined limit values of longitudinal and transverse accelerations of a vehicle and device for electrical control of active suspension elements of the vehicle using such an element |
| JPH1113856A (en) * | 1997-06-26 | 1999-01-22 | Komatsu Ltd | Magnetic coupling device and vibration sensor suited for detecting vibration thereof |
-
2010
- 2010-11-19 CN CN 201010551129 patent/CN102059997A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3205560A1 (en) * | 1982-02-17 | 1983-08-25 | Ingenieurbüro für Industrietechnik Manfred Knüfelmann GmbH, 4000 Düsseldorf | Inductive accelerometer |
| DE3809887A1 (en) * | 1988-03-24 | 1989-10-05 | Teves Gmbh Alfred | Sensor for measuring mechanical motion quantities |
| FR2686421A1 (en) * | 1990-11-29 | 1993-07-23 | Peugeot | Element for detecting determined limit values of longitudinal and transverse accelerations of a vehicle and device for electrical control of active suspension elements of the vehicle using such an element |
| JPH1113856A (en) * | 1997-06-26 | 1999-01-22 | Komatsu Ltd | Magnetic coupling device and vibration sensor suited for detecting vibration thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109091075A (en) * | 2018-08-17 | 2018-12-28 | 天佑电器（苏州）有限公司 | Self-moving device and its traveling control method |
| CN109091075B (en) * | 2018-08-17 | 2024-03-08 | 天佑电器（苏州）有限公司 | Self-moving device and traveling control method thereof |
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Application publication date: 20110518 |