CN201204153Y - Collision sensor - Google Patents
Collision sensor Download PDFInfo
- Publication number
- CN201204153Y CN201204153Y CNU2008200940322U CN200820094032U CN201204153Y CN 201204153 Y CN201204153 Y CN 201204153Y CN U2008200940322 U CNU2008200940322 U CN U2008200940322U CN 200820094032 U CN200820094032 U CN 200820094032U CN 201204153 Y CN201204153 Y CN 201204153Y
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- contact
- crash sensor
- contact chip
- mass
- elastomeric element
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Abstract
The utility model provides a crash sensor, comprising a contact module, a quality block, wherein the contact module includes a contact base and two separated contact pieces arranged on the contact base, and the quality block is fixed with one of the two contact pieces. The part number of the crash sensor is little, structure is simpler, manufacturing cost is markedly reduced, stability and the durability of the crash sensor are markedly increased due to simplification of the structure.
Description
Technical field
The utility model relates to transducer, relates in particular to a kind of crash sensor.
Background technology
Along with The development in society and economy, and the improving constantly of people's living standard, automobile recoverable amount at home constantly rises, and has become to produce and the vehicles that life can't be left.Correspondingly traffic accident takes place in the meeting that is difficult to avoid in the use of automobile.Traffic accident takes place in; if can judge the power of this traffic accident exactly, send signal, ECU is accurately judged by crash sensor; make the occupant reach maximum protection, avoid taking place the mistake of air bag quick-fried or when needing protection the not quick-fried situation of air bag take place.
At traditional mechanical type crash sensor that is used for perception vehicle collision intensity, what generally use is the pendulum-type device, adopt a pendulum-type assembly, this pendulum-type assembly is designed to when being subjected to external impact, swing component produces swing around the shaft, when the degree of its swing surpasses preset threshold value, can promote one of two contact chips, make two contact chips be in contact with one another, produce corresponding transducing signal thus.
But this pendulum-type assembly comprises a plurality of parts, the structure relative complex, and because the needs of practical application, designing requirement and design accuracy to swing component are higher relatively, in addition, as well known for one of skill in the art, swing component uses the very fast of its sensitivity reduction of back through long-time.
At present, also has a kind of crash sensor, include sliding axle, mass, and mobile component, wherein, described sliding axle passes the strip hole in two sheet metals of mobile component, described two metals levy one of them contact with mass, described mass is supported on the described sliding axle slidably, described sliding axle is fixed on the sliding axle support.
But this crash sensor is that part is more equally, structure relative complex, and having relatively high expectations to assembly precision.And, produce the jam phenomenon between sliding axle and the sheet metal possibly in that the time spent is done in this crash sensor generation, causing crash sensor can not produce it should produce effect.
The utility model content
The utility model provides a kind of simple in structure in order to overcome above shortcomings in the prior art, and cost is lower, the crash sensor of good stability.
The utility model provides a kind of crash sensor, comprise contact assembly, mass, wherein, described contact assembly comprises the contact base, and being arranged on separated two contact chips that contact on the base, described mass is arranged on arbitrary a slice of described two contact chips.
As further improvement, described mass is arranged on the end away from the contact chip base of contact chip.
As further improvement, described fixed contact chip is provided with the projection towards mass one side.
As further improvement, described crash sensor also comprises elastomeric element, and described elastomeric element is arranged between two contact chips.
As further improvement, described elastomeric element is arranged between the projection of contact chip base and described contact chip.
As further improvement, described elastomeric element is the spring or the elastic caoutchouc of insulation material.
As further improvement, described crash sensor also comprises supporting seat and housing, and this supporting seat has an opening that matches with the contact chip base, and described contact assembly is installed in the supporting seat, and the supporting seat that contact assembly is installed is installed in the housing.
As further improvement, described crash sensor also comprises the PCB circuit board, has two perforates on this PCB circuit board, and the contact pin in described perforate and the described housing is connected.
As further improvement, described crash sensor also comprises end cap, the installation that matches with the port of housing of this end cap.
Because the crash sensor that the utility model provides, separated two contact chips of employing mass and contact assembly are the fixing structural design of a slice contact chip wherein, the crash sensor that reduces number of spare parts, make structure simpler, manufacturing cost obviously reduces, and because the simplification of structure makes the stability of this crash sensor and durability significantly promote.
Description of drawings
Fig. 1 is the structural representation that the primary structure of transducer is hit in the collision of first embodiment of the present utility model;
Fig. 2 is the structural representation that the primary structure of transducer is hit in the collision of second embodiment of the present utility model;
Fig. 3 is the structural representation that the primary structure of transducer is hit in the collision of the 3rd embodiment of the present utility model;
Fig. 4 is the structural representation that the primary structure of transducer is hit in the collision of the 4th embodiment of the present utility model;
Fig. 5 is the overall structure schematic diagram that transducer is hit in the collision of first embodiment of the present utility model;
Fig. 6 is the overall structure schematic diagram that transducer is hit in the collision of the 3rd embodiment of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
As Fig. 1 and shown in Figure 5, first embodiment of the present utility model: a kind of crash sensor, comprise housing 1, contact assembly, mass 3, described contact assembly and mass 3 are arranged on housing 1 inside, wherein, described contact assembly comprises contact chip base 7, and is arranged on separated two contact chips 6,10 on the contact chip base 7, and described mass 4 is arranged on arbitrary a slice of described two contact chips 6,10.Described mass 3 preferably is arranged on the end end away from contact chip base 7.The mode that described mass is arranged at described contact chip can be formed in one for multiple, can adopt the fixed form of welding in the present embodiment, and mass 4 be fixed in contact chip 6 for welding, be spirally connected etc.Described another contact chip 10 is provided with the projection 11 towards mass 3 one sides.
Please consult Fig. 2 once more, second embodiment of the present utility model: described crash sensor also comprises elastomeric element 4, described elastomeric element 4 is arranged between two contact chips 6,10, and described elastomeric element is arranged between the projection 11 of contact chip base 7 and described contact chip 10.Described elastomeric element 4 two ends are fixing with two contact chips 6,10 respectively.By the setting of described elastomeric element 4, can play the booster action of resiliency supported to the contact chip that is fixed with mass.Described elastomeric element 4 can be the spring of insulation material, can be elastic caoutchouc also, and the elastomeric element 4 described in the present embodiment adopts the spring of insulation material.Described fixed form can adopt multiple mode, as adopting welding etc., and guarantee two fixedly pad do not contact; Or adopt bonding agent connection etc., and as when described elastomeric element 4 is elastic caoutchouc, the fixed form that can adopt bonding agent to connect.In the present embodiment, because elastomeric element 4 adopts the spring of insulation, so the preferred fixed form that adopts welding.
As shown in Figure 3 and Figure 4, third and fourth embodiment of the present utility model: described crash sensor also comprises supporting seat 5, this supporting seat 5 has an opening that matches with contact chip base 7, described contact assembly is installed in the supporting seat 5, and the supporting seat 5 that contact assembly is installed is installed in the housing 1, can play better supporting role to contact assembly owing to be provided with supporting seat 5.
As shown in Figure 5 and Figure 6, described crash sensor also includes an end cap 9, and this end cap 9 matches with the port of housing 1, and contact assembly and mass 2 and supporting seat 5 are sealed in the enclosure interior space.The other end that is positioned at contact chip base 7 of described two contact chips 6,10 is welded to connect with PCB circuit board 8 respectively, forms the two poles of the earth.Described PCB circuit board 8 has two perforates 14 and matches with contact pin 13 in the box body, by being welded to connect.Described two contact chips 6,10, its material is for selecting metal for use, and described metal comprises stainless steel, aluminium, copper etc., is preferably copper.The described contact chip 6 that is fixed with mass 3 is a rubber-like contact chip; Described contact chip 10 can be for having the Metal Contact sheet of higher hardness and rigidity, and supporting seat 5 can play a supporting role to contact chip 10, makes contact chip 10 not removable basically, more helps the effect that contacts of contact chip 6 and contact chip 10.
Crash sensor of the present utility model utilizes principle of inertia, make mass 4 overcome the elastic force of contact chip 6, contact chip 6 is contacted with contact chip 10 be short-circuited, and, the electronic control unit on the vehicle is judged according to the power of the acceleration that produces and the signal of circuit communication time length.
As required, can pass through to regulate the material of contact chip 6 or the degree of strain, or the quality of quality of regulation piece 4, or regulate the material of elastomeric element 4 or the degree of strain, change the power of generation acceleration and the signal of circuit communication time length.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field; under the prerequisite that does not break away from the utility model design; can also make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the utility model is determined by claims of being submitted to.
Claims (9)
1, a kind of crash sensor, comprise contact assembly, mass, wherein, described contact assembly comprises the contact chip base, and being arranged on separated two contact chips on the contact chip base, described mass is fixed on arbitrary a slice of described two contact chips.
2, crash sensor as claimed in claim 1 is characterized in that: described mass is arranged on the end away from the contact chip base of contact chip.
3, crash sensor as claimed in claim 2 is characterized in that: described fixed contact chip is provided with the projection towards mass one side.
4, crash sensor as claimed in claim 1 is characterized in that: described crash sensor also comprises elastomeric element, and described elastomeric element is arranged between two contact chips.
5, crash sensor as claimed in claim 4 is characterized in that: described elastomeric element is arranged between the projection of contact chip base and described contact chip.
6, the crash sensor of stating as claimed in claim 5 is characterized in that: described elastomeric element is the spring or the elastic caoutchouc of insulation material.
7, as any described crash sensor of claim 1-6, it is characterized in that: described crash sensor also comprises supporting seat and housing, this supporting seat has an opening that matches with the contact chip base, described contact assembly is installed in the supporting seat, and the supporting seat that contact assembly is installed is installed in the housing.
8, crash sensor as claimed in claim 7 is characterized in that: described crash sensor also comprises the PCB circuit board, has two perforates on this PCB circuit board, and the contact pin in described perforate and the described housing is connected.
9, the crash sensor of stating as claimed in claim 8, it is characterized in that: described crash sensor also comprises end cap, the installation that matches with the port of housing of this end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200940322U CN201204153Y (en) | 2008-05-21 | 2008-05-21 | Collision sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200940322U CN201204153Y (en) | 2008-05-21 | 2008-05-21 | Collision sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201204153Y true CN201204153Y (en) | 2009-03-04 |
Family
ID=40426468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200940322U Expired - Lifetime CN201204153Y (en) | 2008-05-21 | 2008-05-21 | Collision sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201204153Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107336266A (en) * | 2017-08-23 | 2017-11-10 | 江苏木盟智能科技有限公司 | Robot and its collision detection mechanism |
| CN107677299A (en) * | 2014-03-11 | 2018-02-09 | Trw汽车美国有限责任公司 | Equipment for the installation shock sensor that is clasped |
-
2008
- 2008-05-21 CN CNU2008200940322U patent/CN201204153Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677299A (en) * | 2014-03-11 | 2018-02-09 | Trw汽车美国有限责任公司 | Equipment for the installation shock sensor that is clasped |
| CN107336266A (en) * | 2017-08-23 | 2017-11-10 | 江苏木盟智能科技有限公司 | Robot and its collision detection mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090304 |