CN204117962U - Spring crash sensor - Google Patents
Spring crash sensor Download PDFInfo
- Publication number
- CN204117962U CN204117962U CN201420411353.6U CN201420411353U CN204117962U CN 204117962 U CN204117962 U CN 204117962U CN 201420411353 U CN201420411353 U CN 201420411353U CN 204117962 U CN204117962 U CN 204117962U
- Authority
- CN
- China
- Prior art keywords
- magnet
- hall element
- element matrix
- crash sensor
- spring
- 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
Links
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
A kind of spring crash sensor that can identify direction and impact strength, it is characterized by compression spring is arranged on the base of spring crash sensor, compression spring top is provided with inertia weight, above inertia weight, magnet is housed, it is Hall element matrix above magnet, Hall element matrix is fixed on the shell of spring crash sensor, Hall element matrix distributes with planar rondure, magnet is corresponding with the center of Hall element matrix circular distribution, has the gap that can make magnet activity between Hall element matrix and magnet.When clashing into generation, the strength that inertia weight overcomes spring because of inertia continues mobile to the direction be knocked, magnet on weight leaves the center of Hall element matrix, and Hall element matrix induces the direction of magnet movement and the direction and intensity signal be knocked of outside output magnet.
Description
Technical field
the utility model relates to the application of a kind of motor vehicle sensor class.
Background technology
the transducer that current motor vehicle detecting clashes into signal has mechanical type crash sensor and electronic type crash sensor two kinds, mechanical type crash sensor comprises eccentric hammer crash sensor, ball-type crash sensor, roller type crash sensor etc., mechanical type crash sensor has directivity, but direction is single, can only detect the shock signal in a direction, wanting to reach available protecting needs to install multiple crash sensor; Electronic type crash sensor comprises mercoid switch formula crash sensor, and have piezoresistive effect formula crash sensor and piezoelectric effect formula crash sensor, electronic type crash sensor directivity is poor, also needs multiple position on motor vehicle to install, just can play a protective role.Often there will be that impact strength reaches and crash direction deviation crash sensor is not operating.
Summary of the invention
in order to overcome existing collision of motor-driven vehicles transducer detection side to single deficiency, the utility model provides a kind of crash sensor, shock orientation when this transducer accurately can not only detect that motor vehicle is knocked, and intensity when being knocked can be differentiated, output signal.
the utility model solves the technical scheme that its technical problem adopts
the base of an irony crash sensor is provided with a compression spring, compression spring top is the weight keeping inertia, magnet is fixed with above weight, magnet upper end is installed with Hall element matrix, Hall element matrix distributes with planar rondure, the direction and intensity signal that Hall element quantity more can detect is more accurate, magnet is corresponding with the center of Hall element matrix circular distribution, when clashing into generation, the strength that inertia weight overcomes spring because of inertia continues mobile to the direction be knocked, magnet on weight leaves the center of Hall element matrix, Hall element matrix induces the direction of magnet movement, impact strength is stronger, the distance that magnet leaves the center of circle is far away, and outwards export the direction and intensity signal be knocked.
the beneficial effects of the utility model are
transducer uses magnetic induction Hall element, does not have mechanical contact, and the collision alarm detected is comprehensive, stablizes simple and reliable.
Accompanying drawing explanation
fig. 1 is the utility model structural map
1 crash sensor shell in figure, 2 compression springs, 3 inertia weights, 4 magnet, 5 Hall element matrixes, 6 eliminate interference stability iron block, 7 signal output terminals, 8 signal output leads.
Embodiment
in FIG, crash sensor shell is arranged on the firm position of motor vehicle, crash sensor shell (1) base is provided with compression spring (2), the top of compression spring (2) is connected to above inertia weight (3) inertia weight and is installed with magnet (4), when motor vehicle does not collide, magnet (4) is corresponding with the center of Hall element matrix (5), transducer no signal exports, the effect eliminating interference stability iron block (6) produces attraction with magnet (4), magnet (4) is made to be stabilized on a fixing position, can not swing easily, when motor vehicle collides, crash sensor shell (1) to slow down together with motor vehicle because colliding, and the inertia weight (3) of crash sensor inside is because the effect of inertia force continues to keep colliding the direction of motion before occurring, at this moment inertia weight (3) and magnet (4) break away from the center departing from Hall element matrix (5) with the attraction eliminating interference stability iron block (6), the movement locus of magnet (4) is exported the direction and intensity signal be knocked on Hall element matrix (5) by Hall effect.
Claims (2)
1. a spring crash sensor, it is characterized by compression spring is arranged on the base of spring crash sensor, compression spring top is provided with inertia weight, above inertia weight, magnet is housed, be Hall element matrix above magnet, Hall element matrix is fixed on the shell of spring crash sensor, and Hall element matrix distributes with planar rondure, magnet is corresponding with the center of Hall element matrix circular distribution, has the gap that can make magnet activity between Hall element matrix and magnet.
2. a kind of spring crash sensor as claimed in claim 1, it is characterized in that colliding inertia weight and magnet when occurring to move to the direction of appearance collision in Hall element matrix plane circular distribution center, Hall element matrix outwards exports the direction and intensity signal be knocked of magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420411353.6U CN204117962U (en) | 2014-07-24 | 2014-07-24 | Spring crash sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420411353.6U CN204117962U (en) | 2014-07-24 | 2014-07-24 | Spring crash sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204117962U true CN204117962U (en) | 2015-01-21 |
Family
ID=52335250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420411353.6U Expired - Fee Related CN204117962U (en) | 2014-07-24 | 2014-07-24 | Spring crash sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204117962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105746094A (en) * | 2016-04-05 | 2016-07-13 | 常州格力博有限公司 | Omnibearing crash sensor device and lawn mower |
-
2014
- 2014-07-24 CN CN201420411353.6U patent/CN204117962U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105746094A (en) * | 2016-04-05 | 2016-07-13 | 常州格力博有限公司 | Omnibearing crash sensor device and lawn mower |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102798460B (en) | Impact-type piezoelectric acceleration transducer | |
| WO2014005769A3 (en) | Eddy current sensor and method for measuring a force | |
| CN204117962U (en) | Spring crash sensor | |
| CN202648612U (en) | Displacement deformation physical sensor based on magnetically controlled shape memory alloy | |
| CN102163514B (en) | Permanent magnet type universal collision sensor | |
| CN204464170U (en) | Multi-direction sensor | |
| CN204057771U (en) | Band jib mobile engineering machinery and receipts arm inhibiting device thereof | |
| CN102157298A (en) | Permanent magnetic collision sensor | |
| CN202204594U (en) | Electromagnetic induction vibration sensor | |
| CN202058638U (en) | Permanent-magnet universal collision sensor adopting four elastic rods | |
| CN105804513A (en) | Direct-current self-resetting electromagnet | |
| CN103712705A (en) | Bimetal thermometer | |
| CN203672387U (en) | Novel measuring head lateral collision protection device | |
| CN202042415U (en) | Permanent magnet type universal crash sensor adopting single elastic bar | |
| CN201984083U (en) | Permanent-magnet type collision sensor | |
| CN205801026U (en) | Air bag sensor | |
| CN201229176Y (en) | Inertial shock sensor | |
| CN105513239A (en) | Novel self-ringing tag and commodity antitheft system based on same | |
| CN110132472A (en) | Bump monitoring sensor and bump monitoring device | |
| CN201877378U (en) | Instantaneous surpassing tripping device | |
| CN201927559U (en) | Leakage protector | |
| CN103925987A (en) | Inertia moving coil type electric sensor | |
| CN203530697U (en) | Vibration detecting device in 360-degree range in horizontal direction of washing and dewatering machine | |
| CN103884932A (en) | Breaking capacity test bench of electromobile charger interface | |
| CN203265974U (en) | Welding gun collision protector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20190724 |