CN205943938U - Collision power protection devices - Google Patents

Abstract

The utility model discloses a collision power protection devices, including the first metal end, second metal terminal, tablock, ignition and casing, the second end of the first metal end with fixed the establishing of second end of second metal terminal in the casing and all with the tablock electricity is connected, the first end of the first metal end with the first end of second metal terminal stretches out the casing to be connected with the circuit electricity of the required protection in outside, the tablock with the shells inner wall face is formed with a cavity, the ignition part is located in the cavity, after ignition ignites, produce a large amount of gases and promote the tablock is kept away from the first metal end and second metal terminal, thus the circuit of outside required protection opens circuit realizes the quick interruption of power supply of vehicle, because the tablock can not produce the air breakdown phenomenon with the first metal end and second metal terminal after -separating, so the utility model is suitable for a high -voltage circuit and low tension circuit.

Description

A kind of cutting electricity in collision protection device

Technical field

This utility model belongs to technical field of vehicle safety, in particular to a kind of cutting electricity in collision protection device.

Background technology

With scientific and technological continuous development, electric vehicle is just progressively entering in the life of people, and for example electric motor car is voluntarily Car, electric automobile, truck, buses etc..Just because of this, people are also more and more heavier for the safety problem of these vehicles Depending on.When these instruments have an accident or the fortuitous event such as line short, it is excessive to may result in automotive interior electric current, is susceptible to The secondary disaster such as fire or electric shock.It is therefore desirable to a kind of can in case of emergency fast break device ensureing safety.

China Patent Publication No. CN201410097406 discloses a kind of cutting electricity in collision protection device, including housing, fixation Safety plate in described housing, igniter and energy transmission part, described energy transmission part be arranged at described igniter and Between described safety plate, the ability for transmitting described igniter strikes off described safety plate, thus realizing emergency power off.This Cutting electricity in collision protection device is only applicable to the power-off of low-voltage circuit, because the safety plate distance in the big circuit of high pressure, after cut-out Close, heavy current can puncture air and continue power supply it is impossible to realize the cut-out of high-current circuit.

Content of the invention

This utility model is intended at least solve one of technical problem in correlation technique to a certain extent.For this reason, this reality It is to propose a kind of cutting electricity in collision protection dress that can be simultaneously suitable for low-voltage circuit and high-tension circuit with a new purpose Put.

For solving above-mentioned technical problem, this utility model provides following technical scheme：

A kind of cutting electricity in collision protection device, including the first metal end, the second metal terminal, safety plate, igniter and Second end fixation of housing, the second end of described the first metal end and described second metal terminal is located in described housing, institute The first end of the first end and described second metal terminal of stating the first metal end stretches out described housing, and protects with needed for outside Circuit electrical connection；Described second end of the first metal end and the second end of the second metal terminal are all electrically connected with described safety plate Connect, in described housing, have the passage for described safety plate movement, described safety plate is formed for transmitting with described shell inner surface The energy of described igniter simultaneously promotes described safety plate sky with described second metal terminal away from described the first metal end Chamber, described igniter part is located in described cavity.

Compared with prior art, this utility model has the advantages that：

One end of the first metal end is stretched out housing with one end of the second metal terminal and is electrically connected with external circuit, meanwhile, The other end of the other end of the first metal end and the second metal terminal is all electrically connected with described safety plate, now at external circuit In channel status.When there is unexpected or in-car short circuit, igniter is ignited in described cavity and is produced a large amount of gas Body, safety plate described in a large amount of gas pushs moves in passage, and safety plate is separated with the first metal end and the second metal terminal, External circuit open circuit is so that car power-off.One has been separated with the first metal end and the second metal terminal after moving due to safety plate Set a distance, will not produce air breakdown phenomenon under high-voltage case, so being simultaneously suitable for low-voltage circuit and high-tension circuit.

Preferably, described safety plate located at the first end of described passage, transport along described safety plate by the end of described safety plate Dynamic opposite direction forms bending, adjacent with described passage first end and vertical with described safety plate direction of motion inner walls face It is provided with the groove being adapted with described bending, described cavity is fitted close with described groove by described bending and is formed.

Preferably, sub and described second metal terminal of described the first metal end passes through inserting mode with described safety plate respectively Electrical connection.

Preferably, the second end of described the first metal end and the second end of described second metal terminal be all provided with fluted, The corresponding position of described safety plate is provided with the cylinder being adapted with described hole, described cylinder and corresponding described groove grafting Connect.

Preferably, described igniter includes two core electrodes and the pencil being connected with described two core electrodes, described pencil Built with detonating agent, described igniter is fixed in described housing, and its pencil is arranged in described cavity, its two core electrode Stretch out described housing.

Preferably, described two core electrodes are provided with the short-circuited conducting sleeve of described two core electrode short circuits.

Preferably, described housing includes the first housing and the second housing, and described first housing and described second housing pass through Riveting or bolt connection are fixed.

Preferably, described housing adopts insulant.

Brief description

Above-mentioned and/or additional aspect of the present utility model and advantage will from reference to the description to embodiment for the accompanying drawings below Become obvious and easy to understand, wherein：

Fig. 1 is the explosive view according to this utility model embodiment；

Fig. 2 is the overall installation diagram according to this utility model embodiment；

Fig. 3 is the profile in first direction according to this utility model embodiment；

Fig. 4 is the profile in second direction according to this utility model embodiment；

Fig. 5 is the profile in the 3rd direction according to this utility model embodiment；

Fig. 6 is the igniter schematic diagram according to this utility model embodiment；

The each reference of in figure is as follows：

101 the first metal end, 102 second metal terminals, 201 first housings, 202 second shells Body, 300 igniters, 301 liang of core electrodes, 302 pencils, 303 short-circuited conducting sleeves, 400 safety plates, 401 cylinders, 402 bendings, 500 cavitys.

Specific embodiment

Embodiment of the present utility model is described below in detail, the example of described embodiment is shown in the drawings, wherein ad initio To the element that same or similar label represents same or similar element or has same or like function eventually.Below by ginseng The embodiment examining Description of Drawings is exemplary it is intended to be used for explaining this utility model, and it is not intended that to this utility model Restriction.

In description of the present utility model it is to be understood that term " on ", D score, "front", "rear", "left", "right", The orientation of instruction or the position such as " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " clockwise ", " counterclockwise ", " axial " Relation is based on orientation shown in the drawings or position relationship, is for only for ease of description this utility model and simplifies description, and not It is instruction or the hint device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore not It is understood that to be to restriction of the present utility model.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or hint relative importance Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two Individual, three etc., unless otherwise expressly limited specifically.

In this utility model, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " Gu Fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be It is mechanically connected or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, can be two The connection of element internal or the interaction relationship of two elements, limit unless otherwise clear and definite.Common skill for this area For art personnel, concrete meaning in this utility model for the above-mentioned term can be understood as the case may be.

In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score Can be the first and second feature directly contacts, or the first and second features pass through intermediary mediate contact.And, first is special Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " permissible Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.

To describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.

Fig. 1 is the explosive view according to this utility model embodiment, as depicted in figs. 1 and 2, cutting electricity in collision protection device bag Include the first metal end 101, the second metal terminal 102, safety plate 400, igniter 300 and housing, wherein housing can adopt Insulant, housing includes the first housing 201 and the second housing 202, and the two is fixed by riveting or bolt connection.First gold medal Second end at the second end and the second metal terminal 102 that belong to terminal 101 is fixed in housing, and the first of the first metal end 101 The first end of end and the second metal terminal 102 stretches out housing, and electrically connects with the circuit of protection needed for outside.The first metal end Second end of 101 the second end and the second metal terminal 102 is electrically connected with safety plate 400, the circuit of now outside required protection Path is defined by the first metal end 101, safety plate 400 and the second metal terminal 102.

As shown in Figure 3 and Figure 5, the second end of the second end of the first metal end 101 and the second metal terminal 102 be provided with recessed Groove, on safety plate 400, position corresponding with two grooves is provided with two cylinders being adapted with groove（401）, on safety plate 400 Two cylinders 401 insert in corresponding groove respectively, the first metal end 101 and second metal terminal 102 respectively with insurance Piece 400 electrically connects by the way.

Fig. 3 is the profile in first direction according to this utility model embodiment, and wherein shown in arrow, direction is igniting The direction of motion of safety plate 400 after device 300 ignition.As shown in figures 1 and 3, there is leading to for safety plate 400 movement in housing Road, safety plate 400 is arranged on passage first end, and the opposite direction moved along safety plate 400 in the end of safety plate 400 is formed with bending 402, adjacent with passage first end and vertical with safety plate 400 direction of motion inner walls face is provided with and bending 402 phase The groove of adaptation, bending 402 is fitted close with groove and forms cavity 500, and igniter 300 part is located in cavity 500.Real at other Apply in example, it is smaller that the volume of cavity 500 can design, so a small amount of igniting after medicament is ignited can produce enough pushing away Power is promoting safety plate 400 mobile.

As shown in Figure 4 and Figure 6, igniter 300 includes two core electrodes 301, the pencil 302 being connected with two core electrodes 301, Pencil 302 is built with detonating agent.Igniter 300 is fixedly installed in housing, and its pencil 302 is arranged in cavity 500, its Two core electrodes 301 are stretched out housing and are electrically connected with outside ignition signal control device.

When collide etc. fortuitous event when, the ignition signal control device of vehicle sends an ignition signal, makes pencil Detonating agent in 302 is detonated and is produced a large amount of gases at short notice.A large amount of gases form powerful gas in cavity 500 Pressure, this air pressure promote safety plate 400 to passage second end move, safety plate 400 in moving process, safety plate 400 and first Metal terminal 101 and the second metal terminal 102 are gradually disengaged, final the first metal end 101 and the second metal terminal 102 all with Safety plate 400 separates, and the circuit breaker of outside required protection makes vehicle power-off it is therefore prevented that the secondary wound that caused by in-car circuit Evil.

As shown in fig. 6, two core electrodes 301 are provided with short-circuited conducting sleeve 303, short-circuited conducting sleeve 303 carries out short circuit to two core electrodes 301, can To protect to igniter 300 before loaded on the vehicle in this cutting electricity in collision protection device, prevent because the meaning such as electrostatic Other factor false triggering igniter 300.When needing using this utility model device, two core electrodes 301 can be plugged plug, inserts Short-circuited conducting sleeve 303 is backed down by head, and two core electrodes 301 are no longer short-circuit, and this device can normally use.

In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible Any one or more embodiments or example combine in an appropriate manner.Additionally, in the case of not conflicting, this area Technical staff the feature of the different embodiments described in this specification or example and different embodiment or example can be entered Row combines and combines.

Although of the present utility model embodiment has been shown and described above it is to be understood that above-described embodiment is Exemplary it is impossible to be interpreted as that those of ordinary skill in the art is in scope of the present utility model to restriction of the present utility model Interior above-described embodiment can be changed, change, replacing and modification.

Claims (8)

1. a kind of cutting electricity in collision protection device it is characterised in that：Including the first metal end（101）, the second metal terminal （102）, safety plate（400）, igniter（300）And housing, described the first metal end（101）The second end and described second Metal terminal（102）The second end fixation be located in described housing, described the first metal end（101）First end and described the Two metal terminals（102）First end stretch out described housing, and electrically connect with the circuit of protection needed for outside；Described first metal Terminal（101）The second end and the second metal terminal（102）The second end all with described safety plate（400）Electrical connection, described shell Have in vivo for described safety plate（400）The passage of movement, described safety plate（400）Formed for transmitting with described shell inner surface Described igniter（300）Energy and promote described safety plate（400）Away from described the first metal end（101）With described Two metal terminals（102）Cavity（500）, described igniter（300）Part is located at described cavity（500）Interior.

2. cutting electricity in collision protection device according to claim 1 it is characterised in that：Described safety plate（400）Located at described The first end of passage, described safety plate（400）End along described safety plate（400）The opposite direction of motion forms bending（402）, Adjacent with described passage first end and with described safety plate（400）The vertical inner walls face of the direction of motion is provided with and described folding Curved（402）The groove matching, described cavity（500）By described bending（402）It is fitted close with described groove and formed.

3. cutting electricity in collision protection device according to claim 1 it is characterised in that：Described the first metal end（101）With Described second metal terminal（102）Respectively with described safety plate（400）Electrically connected by inserting mode.

4. cutting electricity in collision protection device according to claim 3 it is characterised in that：Described the first metal end（101）'s Second end and described second metal terminal（102）The second end be all provided with fluted, described safety plate（400）Corresponding position It is provided with the cylinder being adapted with described hole（401）, described cylinder（401）With corresponding described groove socket connection.

5. cutting electricity in collision protection device according to claim 1 it is characterised in that：Described igniter（300）Including two Core electrode（301）And with described two core electrodes（301）The pencil connecting（302）, described pencil（302）Built with priming Agent, described igniter is fixed in described housing, and its pencil is arranged in described cavity (500), and its two core electrode stretches out institute State housing.

6. cutting electricity in collision protection device according to claim 5 it is characterised in that：Described two core electrodes（301）Being provided with will Described two core electrodes（301）The short-circuited conducting sleeve of short circuit（303）.

7. cutting electricity in collision protection device according to claim 1 it is characterised in that：Described housing includes the first housing （201）With the second housing（202）, described first housing（201）With described second housing（202）By riveting or bolt connection Fixing.

8. cutting electricity in collision protection device according to claim 1 it is characterised in that：Described housing adopts insulant.