CN202230945U - Collision power-off switch - Google Patents
Collision power-off switch Download PDFInfo
- Publication number
- CN202230945U CN202230945U CN2011203541129U CN201120354112U CN202230945U CN 202230945 U CN202230945 U CN 202230945U CN 2011203541129 U CN2011203541129 U CN 2011203541129U CN 201120354112 U CN201120354112 U CN 201120354112U CN 202230945 U CN202230945 U CN 202230945U
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- CN
- China
- Prior art keywords
- switch
- collision
- guide rail
- switch enclosure
- mandrel
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a collision power-off switch. A guide rail is arranged at the top of a switch base, a collision cam is arranged in the guide rail, a groove is arranged on the bottom surface of the collision cam, a roller is arranged in the groove and supported by the top of a mandrel, and the mandrel is arranged in a switch box in penetrating mode. A locating sleeve is fixedly sleeved in the middle of the mandrel, the upper end of the locating sleeve is connected with the switch box through a butterfly steel wire, a switch motion block is fixed at the lower end of the locating sleeve, and two wiring blocks which are matched with the switch motion block in contacted mode are installed on the switch box. When electric automobiles are collided, the collision power-off switch can act automatically and rapidly and enables a trigger switch to be opened so as to cut off an external power supplying circuit of a power battery pack, thereby avoiding electric leakage caused by collision, solving the problem of vehicle electric leakage caused by collision of the electric automobiles, and meeting safety requirements of the electric automobiles. The collision power-off switch adopts a mechanical structure, and is simple in structure, easy to assemble and sensitive and reliable in work.
Description
Technical field
The utility model belongs to the electric vehicle engineering field, specifically, and the particularly collision on electric automobile outage safety switch.
Background technology
At present, new-energy automobile particularly electric vehicle engineering is ripe gradually, and electric automobile gets into test and demonstration operation phase.Electric automobile in use; Can bump inevitably, and can leak electricity like reasons such as damage in insulation owing to high-tension circuit damages in collision back, cause vehicle body, chassis charged; Cause the secondary injury of occupant and vehicle easily, even can initiation fire.How ensureing the safety of occupant and vehicle to greatest extent, satisfy the safety requirements of electric automobile, is the technical problem that electric automobile enterprise needs to be resolved hurrily.
The utility model content
The utility model technical problem to be solved is to provide a kind of outage safety switch that can prevent that electric automobile from leaking electricity because of collision.
The technical scheme of the utility model is following: a kind of collision cut-off switch; Comprise switch base (1), guide rail (2), blanking cover (3), magnet (4), collision cam (5), roller (6), connecting rod (7), mandrel (8), switch enclosure (9), tagblock (12), switch motion block (13), butterfly steel wire (14) and positioning sleeve (15); Be provided with guide rail (2) at the top of switch base (1); The front end of this guide rail (2) is sealed by blanking cover (3), in the rear end of guide rail (2) magnet (4) is housed; Be provided with collision cam (5) in the said guide rail (2); Have groove (5a) on the bottom surface of this collision cam (5); The rear end face of said groove (5a) is the curved surface with lift characteristics; Roller (6) is set in said groove (5a), and an end of center of this roller (6) and connecting rod (7) is hinged, and the other end of connecting rod (7) is hinged on the guide rail (2); The position of corresponding roller (6) has through hole (2a) in the bottom of said guide rail (2), and said roller (6) is by the top braces of mandrel (8), and this mandrel (8) is located in the switch enclosure (9), and said switch enclosure (9) is fixedly connected with guide rail (2); Be installed with positioning sleeve (15) at the middle part of said mandrel (8); The upper end of this positioning sleeve (15) is connected with switch enclosure (9) through butterfly steel wire (14); Be fixed with switch motion block (13) in the lower end of positioning sleeve (15), two tagblocks (12) that cooperate that contact with this switch motion block (13) are installed on the switch enclosure (9).
The utility model is installed in the electrokinetic cell bag of electric automobile, and two tagblocks are connected with the total output line of the power supply of electric automobile.When initial, collision cam and magnet are pulled together, and switch motion block and two tagblocks keep in touch, and make normally outwards power supply of electrokinetic cell.When electric automobile bumped, like the speed of vehicle with 60km/h, unexpected collision can make vehicle in 0.2 second, stop, and its average retardation rate reaches more than the 8G, and the maximum deceleration that the brake hard of vehicle can produce is no more than 2G.So can be 6G or other numerical value that is fit to, work as collision happens, when the deceleration of moment reaches set point with the threshold design of the utility model switch motion; The inertia force of collision cam is greater than the suction of magnet, and the suction that the collision cam is shaken off magnet moves forward, the lift curved surface compressing roller of collision cam bottom groove; Roller is moved downward, and this moment, connecting rod was to lower swing, when roller moves downward; Press mandrel and move down, along with mandrel moves down, the butterfly steel wire is extruded contraction; When mandrel moved to the centre position that surpasses whole stroke, the butterfly steel wire opened under the effect of self elastic force and resets, and promoted mandrel and be displaced downwardly to bottom dead center position.The switch motion block is along with mandrel moves downward together; The switch motion block separates with two tagblocks, and the power line that is connected on like this on the tagblock is cut off, and has also just cut off the outwards circuit of power supply of electrokinetic cell bag; Thereby avoided having ensured the safety of occupant and vehicle because of collision produces electric leakage.
Said guide rail (2) is the uncovered rhs-structure in front and back end, and said collision cam (5) is a square axle structure, and the shape size of this collision cam (5) adapts with the endoporus of guide rail (2).Processing and fabricating is easy, easy to assembly on the one hand for above structure; On the other hand, can prevent that colliding cam relatively rotates in guide rail, guarantee smoothness and reliability that the collision cam moves forward and backward.
Said switch base (1) is vertical slab construction, and is positioned at a side of guide rail (2) below, and the top, horizontal bending back of this switch base (1) is connected as a single entity with the side of guide rail (2) bottom, said switch enclosure (9) be positioned at guide rail (2) under.Above scenario-frame is compact, advantages of small volume, and not only cost is lower, and in the electrokinetic cell bag easy arrangement.
Front end at said collision cam (5) is provided with blind hole; The axial line of the center line of this blind hole and collision cam (5) is equipped with to subtract in said blind hole and hits plug (10) on same straight line, and this subtracts, and to hit plug (10) front end closed rear end uncovered; And subtracting the front end that hits plug (10) stretches out outside the blind hole; Said subtract to hit damping spring (11) is set in the plug (10), the front end of this damping spring (11) hits plug (10) butt, butt at the bottom of the rear end of damping spring (11) and the hole of blind hole with subtracting.Subtract and hit plug and damping spring together, play bumper and absorbing shock, one side can reduce to collide the impact of cam to blanking cover, on the other hand, can make and collide cam and slowly stop, and has further improved the reliability of whole safety switch.
Said switch enclosure (9) is made up of switch enclosure upper body (9a) and switch enclosure lower body (9b), and switch enclosure upper body (9a) and switch enclosure lower body (9b) are all through injection mo(u)lding, and processing and fabricating is easy like this, cost is low, and can play the effect of insulation; For the ease of assembling; Guarantee the reliability that connects; Switch enclosure upper body (9a) connects with switch enclosure lower body (9b), and through screw, the center of (9a) offers via hole in the switch enclosure upper body; Wear mandrel (8) in this via hole from top to bottom, the lower end of mandrel (8) is stretched in the reset hole (9c) of switch enclosure lower body (9b) bottom.
Switch enclosure is installed and guarantees to be connected between switch enclosure and the guide rail firm for ease, and the top of said switch enclosure upper body (9a) has horizontal flanging, and this horizontal flanging fixes through the bottom of screw and guide rail (2).
Tagblock is installed for ease; And the sensitivity of enhancing switch triggering response; Two tagblocks (12) before and after being provided with between said switch enclosure upper body (9a) and the switch enclosure lower body (9b); Each tagblock (12) all fixes through screw and switch enclosure upper body (9a), and contacts through the contact that cooperatively interacts between two tagblocks (12) and the switch motion block (13).
Said positioning sleeve (15) is sleeved on the mandrel (8), is fixed by the pin that radially wears, and positioning sleeve is fixed on mandrel like this, can effectively prevent to relatively rotate between positioning sleeve and the mandrel or move axially.
The butterfly steel wire (14) of two symmetric arrangement before and after being provided with between said positioning sleeve (15) and switch enclosure upper body (9a); The closing end of this butterfly steel wire (14) is installed on the positioning sleeve (15), the boss clamping mutually on the openend of butterfly steel wire (14) and switch enclosure upper body (9a) inwall.Above structure is installed easily, fixing is good, can guarantee that mandrel only moves at above-below direction, and the acting in conjunction of two butterfly steel wires, can mandrel be stabilized in top dead centre or bottom dead center position, thereby ensure the reliability of safety switch work.
Beneficial effect: when the utility model bumps at electric automobile; Can move apace automatically; Switch is broken off,, avoided producing electric leakage because of collision to cut off the outwards circuit of power supply of electrokinetic cell bag; Solve electric automobile because of the problem that vehicle leaks electricity takes place in collision, satisfied the safety requirements of electric automobile.The utility model adopts mechanical structure, and is simple in structure, and assembling is easy, and work is sensitive, reliable, has removed complicated circuitry and software systems from, and production cost is lower.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the structure chart of switch base and guide rail in the utility model.
Fig. 5 is the left view of Fig. 4.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Like Fig. 1-shown in Figure 5, the utility model by switch base 1, guide rail 2, blanking cover 3, magnet 4, collision cam 5, roller 6, connecting rod 7, mandrel 8, switch enclosure 9, subtract parts such as hitting plug 10, damping spring 11, tagblock 12, switch motion block 13, butterfly steel wire 14 and positioning sleeve 15 and constitute.Wherein, guide rail 2 is the uncovered rhs-structure in front and back end, at the front end of guide rail 2 blanking cover 3 is installed, and the front port of this guide rail 2 is sealed by blanking cover 3.Back end plug at guide rail 2 is equipped with magnet 4, and this magnet 4 is fixedly connected with guide rail 2, and magnet 4 is with the rear port sealing of guide rail 2.Said switch base 1 is vertical slab construction, and is positioned at a side of guide rail 2 belows, and the top, horizontal bending back of this switch base 1 is connected as a single entity with the side of guide rail 2 bottoms, and switch base 1 and guide rail 2 are through the injection moulding global formation.On switch base 1, offer four pilot holes, these four pilot holes are used for switch base 1 is fixed in the electrokinetic cell bag of electric automobile by the rectangular distribution.
Like Fig. 1, Fig. 3 and Fig. 5, in guide rail 2, be provided with collision cam 5, this collision cam 5 is a square axle structure, the shape size of collision cam 5 adapts with the endoporus of guide rail 2.Said collision cam 5 is an iron piece, and the rear end and the magnet 4 of collision cam 5 are pulled together.Front end at collision cam 5 is provided with blind hole, and the axial line of the center line of this blind hole and collision cam 5 is equipped with to subtract in said blind hole and hits plug 10 on same straight line, and this subtracts, and to hit plug 10 front end closed rear end uncovered, and subtracts and hit plug 10 front end and stretch out outside the blind hole.Said subtracting hit plug and is provided with damping spring 11 in 10, and the front end of this damping spring 11 hits plug 10 butts, butt at the bottom of the rear end of damping spring 11 and the hole of blind hole with subtracting.
Like Fig. 1-shown in Figure 5, on the bottom surface of collision cam 5, have groove 5a, the rear end face of this groove 5a is the curved surface with lift characteristics.Be provided with roller 6 in the said groove 5a, the position of the corresponding roller 6 in the bottom of guide rail 2 has through hole 2a.The number of said roller 6 be one or about side by side two, the front end of the center of this roller 6 and connecting rod 7 is hinged, the rear end of connecting rod 7 is hinged on the guide rail 2.Said roller 6 gets the bottom and is arranged in through hole 2a, and is supported by the platform at mandrel 8 tops, and this mandrel 8 is located in the switch enclosure 9.Switch enclosure 9 is made up of switch enclosure upper body 9a and switch enclosure lower body 9b, and switch enclosure upper body 9a and switch enclosure lower body 9b are all through injection mo(u)lding, and the upper end of the lower end of switch enclosure upper body 9a and switch enclosure lower body 9b connects, and passes through screw between the two.The upper end of said switch enclosure upper body 9a has horizontal flanging, and this horizontal flanging fixes through screw and guide rail 2.The center of 9a offers via hole in the switch enclosure upper body, is equipped with mandrel 8 in this via hole from top to bottom, and the lower end of mandrel 8 is stretched among the reset hole 9c of switch enclosure lower body 9b bottom, and mandrel 8 can move at above-below direction.
Like Fig. 1, shown in Figure 2, be set with positioning sleeve 15 at the middle part of mandrel 8, fix by the pin that radially wears between positioning sleeve 15 and the mandrel 8.Be installed with switch motion block 13 in the lower end of positioning sleeve 15; The butterfly steel wire 14 of two symmetric arrangement before and after being provided with between said positioning sleeve 15 and the switch enclosure upper body 9a; The closing end of this butterfly steel wire 14 is installed on the upper end of positioning sleeve 15, the boss clamping mutually on the openend of butterfly steel wire 14 and the switch enclosure upper body 9a inwall.Two tagblocks 12 that directly do not contact mutually before and after between switch enclosure upper body 9a and switch enclosure lower body 9b, being provided with; These two tagblock 12 symmetric arrangement; Tagblock 12 is fixedly connected with switch enclosure upper body 9a through screw; All contact through the contact that cooperatively interacts between two tagblocks 12 and the switch motion block 13, and on each tagblock 12, have screw, this screw is used to connect the general supply output line of electric automobile.
The operation principle of the utility model is following:
When electric automobile bumps; When the deceleration of moment reaches set point; The inertia force of collision cam 5 is greater than the suction of magnet 4; The suction that collision cam 5 is shaken off magnet 4 moves forward suddenly, subtracts to hit plug 10 and play bumper and absorbing shock with damping spring 11, to reduce the impact of blanking cover 3 and collision cam 5 is slowly stopped.Along with moving forward of collision cam 5, the lift curved surface compressing roller 6 of collision cam 5 bottom grooves moves downward roller 6; Pin joint, presses mandrel 8 and moves down when roller 6 moves downward to lower swing connecting rod 7 around the back at this moment; Along with mandrel 8 moves down, butterfly steel wire 14 is extruded contraction, when mandrel 8 moves to the centre position that surpasses whole stroke; Butterfly steel wire 14 opens under the effect of self elastic force and resets, and promotes mandrel 8 and be displaced downwardly to bottom dead center position.Switch motion block 13 is along with mandrel 8 moves downward together, and switch motion block 13 separates with two tagblocks 12, and the power line that is connected on like this on the tagblock 12 is cut off, and has also just cut off the outwards circuit of power supply of electrokinetic cell bag, thereby has avoided producing electric leakage because of collision.
When needs reset, only need blanking cover 3 is opened, promote collision cam 5 backward, the rear end of collision cam 5 is held by magnet 4.Insert the reset hole 9c of switch enclosure lower body 9b bottom then from the bottom up with a bakelite rod, bakelite rod promotes mandrel 8, makes on the mandrel 8 and moves to top dead centre, and under the effect of butterfly steel wire 14 elastic force, mandrel 8 is stabilized in top dead center position.Switch motion block 13 contacts with two tagblocks 12 until switch motion block 13 with moving on the mandrel 8, again the circuit of the outside power supply of conducting electrokinetic cell bag.
Claims (9)
1. one kind is collided cut-off switch, and it is characterized in that: be provided with guide rail (2) at the top of switch base (1), the front end of this guide rail (2) is sealed by blanking cover (3), in the rear end of guide rail (2) magnet (4) is housed; Be provided with collision cam (5) in the said guide rail (2); Have groove (5a) on the bottom surface of this collision cam (5); The rear end face of said groove (5a) is the curved surface with lift characteristics; Roller (6) is set in said groove (5a), and an end of center of this roller (6) and connecting rod (7) is hinged, and the other end of connecting rod (7) is hinged on the guide rail (2); The position of corresponding roller (6) has through hole (2a) in the bottom of said guide rail (2), and said roller (6) is by the top braces of mandrel (8), and this mandrel (8) is located in the switch enclosure (9), and said switch enclosure (9) is fixedly connected with guide rail (2); Be installed with positioning sleeve (15) at the middle part of said mandrel (8); The upper end of this positioning sleeve (15) is connected with switch enclosure (9) through butterfly steel wire (14); Be fixed with switch motion block (13) in the lower end of positioning sleeve (15), two tagblocks (12) that cooperate that contact with this switch motion block (13) are installed on the switch enclosure (9).
2. collision cut-off switch according to claim 1; It is characterized in that: said guide rail (2) is the uncovered rhs-structure in front and back end; Said collision cam (5) is a square axle structure, and the shape size of this collision cam (5) adapts with the endoporus of guide rail (2).
3. collision cut-off switch according to claim 2; It is characterized in that: said switch base (1) is vertical slab construction; And be positioned at a side of guide rail (2) below; The top, horizontal of this switch base (1) bending back is connected as a single entity with the side of guide rail (2) bottom, said switch enclosure (9) be positioned at guide rail (2) under.
4. collision cut-off switch according to claim 2; It is characterized in that: the front end at said collision cam (5) is provided with blind hole; The axial line of the center line of this blind hole and collision cam (5) is equipped with to subtract in said blind hole and hits plug (10) on same straight line, and this subtracts, and to hit plug (10) front end closed rear end uncovered; And subtracting the front end that hits plug (10) stretches out outside the blind hole; Said subtract to hit damping spring (11) is set in the plug (10), the front end of this damping spring (11) hits plug (10) butt, butt at the bottom of the rear end of damping spring (11) and the hole of blind hole with subtracting.
5. according to claim 1 or 2 or 3 or 4 described collision cut-off switchs; It is characterized in that: said switch enclosure (9) is made up of switch enclosure upper body (9a) and switch enclosure lower body (9b); Switch enclosure upper body (9a) and switch enclosure lower body (9b) are all through injection mo(u)lding; Switch enclosure upper body (9a) connects with switch enclosure lower body (9b), and through screw, the center of (9a) offers via hole in the switch enclosure upper body; Wear mandrel (8) in this via hole from top to bottom, the lower end of mandrel (8) is stretched in the reset hole (9c) of switch enclosure lower body (9b) bottom.
6. collision cut-off switch according to claim 5 is characterized in that: the top of said switch enclosure upper body (9a) has horizontal flanging, and this horizontal flanging fixes through the bottom of screw and guide rail (2).
7. collision cut-off switch according to claim 5; It is characterized in that: two tagblocks (12) before and after being provided with between said switch enclosure upper body (9a) and the switch enclosure lower body (9b); Each tagblock (12) all fixes through screw and switch enclosure upper body (9a), and contacts through the contact that cooperatively interacts between two tagblocks (12) and the switch motion block (13).
8. collision cut-off switch according to claim 1 is characterized in that: said positioning sleeve (15) is sleeved on the mandrel (8), is fixed by the pin that radially wears.
9. collision cut-off switch according to claim 5; It is characterized in that: the butterfly steel wire (14) of two symmetric arrangement before and after being provided with between said positioning sleeve (15) and switch enclosure upper body (9a); The closing end of this butterfly steel wire (14) is installed on the positioning sleeve (15), the boss clamping mutually on the openend of butterfly steel wire (14) and switch enclosure upper body (9a) inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203541129U CN202230945U (en) | 2011-09-21 | 2011-09-21 | Collision power-off switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203541129U CN202230945U (en) | 2011-09-21 | 2011-09-21 | Collision power-off switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202230945U true CN202230945U (en) | 2012-05-23 |
Family
ID=46081523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203541129U Withdrawn - After Issue CN202230945U (en) | 2011-09-21 | 2011-09-21 | Collision power-off switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202230945U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102347164A (en) * | 2011-09-21 | 2012-02-08 | 力帆实业(集团)股份有限公司 | Safety switch for cutting electricity in collision of electric automobile |
| CN104835681A (en) * | 2014-04-09 | 2015-08-12 | 北汽福田汽车股份有限公司 | Collision power-off sensor and vehicle provided with same |
| CN106098480A (en) * | 2016-08-28 | 2016-11-09 | 张玉华 | A kind of high frequency sound relay |
| CN112026538A (en) * | 2020-09-11 | 2020-12-04 | 李晓晓 | A battery work or material rest for new energy automobile |
-
2011
- 2011-09-21 CN CN2011203541129U patent/CN202230945U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102347164A (en) * | 2011-09-21 | 2012-02-08 | 力帆实业(集团)股份有限公司 | Safety switch for cutting electricity in collision of electric automobile |
| CN104835681A (en) * | 2014-04-09 | 2015-08-12 | 北汽福田汽车股份有限公司 | Collision power-off sensor and vehicle provided with same |
| CN104835681B (en) * | 2014-04-09 | 2017-11-03 | 北汽福田汽车股份有限公司 | Cutting electricity in collision sensor and the vehicle with the cutting electricity in collision sensor |
| CN106098480A (en) * | 2016-08-28 | 2016-11-09 | 张玉华 | A kind of high frequency sound relay |
| CN112026538A (en) * | 2020-09-11 | 2020-12-04 | 李晓晓 | A battery work or material rest for new energy automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120523 Effective date of abandoning: 20130807 |
|
| RGAV | Abandon patent right to avoid regrant |