CN206225290U - A kind of cutting electricity in collision protection device - Google Patents

Abstract

The utility model discloses a kind of cutting electricity in collision protection device,Including the first metal end,Second metal terminal,Safety plate,Igniter and housing,Second end of the first metal end and the second end of second metal terminal are fixed and are located in the housing and are electrically connected with described,The first end of the first metal end stretches out the housing with the first end of second metal terminal,And electrically connected with the circuit protected needed for outside,The safety plate middle part is provided with the first cylinder and is fitted close with the groove in inner walls face and is formed with cavity,Igniter part is located in cavity,After igniter is ignited,A large amount of gases are produced so as to promote the safety plate to move and away from the first metal end and the second metal terminal,The circuit breaker of protection realizes vehicle fast break needed for outside,Safety plate will not produce air breakdown phenomenon after being separated with the first metal end and the second metal terminal,So the utility model is applied to high-tension circuit and low-voltage circuit.

Description

A kind of cutting electricity in collision protection device

Technical field

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

Background technology

With continuing to develop for science and technology, electric vehicle is just progressively being entered into the life of people, and for example electric motor car is voluntarily Car, electric automobile, truck, bus etc..Just because of this, people also increasingly weigh for the safety problem of these vehicles Depending on.When these instruments occur the fortuitous events such as accident or 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 it is a kind of can the device of in case of emergency fast break ensure safety.

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

The content of the invention

The utility model is intended at least solve to a certain extent one of technical problem in correlation technique.Therefore, this reality It is to propose that a kind of low-voltage circuit that can be applied to simultaneously protects dress with the cutting electricity in collision of high-tension circuit with a new purpose Put.

In order to solve the above technical problems, the 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 Housing, the second end of the first metal end and the second end of second metal terminal are fixed and are located in the housing, institute The first end and the first end of second metal terminal for stating the first metal end stretch out the housing, and are protected with needed for outside Circuit electrical connection；Second end of the first metal end and the second end of the second metal terminal are electrically connected with the safety plate Connect；

There is the passage for safety plate movement in the housing, the safety plate is located at the first end of the passage, institute State the opposite direction moved along the safety plate of safety plate middle part and be extended with the first cylinder, it is adjacent with the passage first end and with institute State the vertical inner walls face of the safety plate direction of motion and be provided with the groove being engaged with first cylinder, first cylinder with The groove is fitted close and is formed with for transmitting the igniter energy and promoting the safety plate away from first metal The cavity of terminal and second metal terminal, the igniter part is located in the cavity.

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

One end of the first metal end is stretched out housing and is electrically connected with external circuit with one end of the second metal terminal, meanwhile, The other end of the first metal end and the other end of the second metal terminal are electrically connected with the safety plate, now at external circuit In channel status.When there is unexpected or in-car short circuit, igniter is ignited in the cavity and produces a large amount of gas Body, safety plate described in a large amount of gas pushs is moved 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 is powered off.Due to having separated one with the first metal end and the second metal terminal after safety plate movement Set a distance, will not produce air breakdown phenomenon under high-voltage case, so being applied to low-voltage circuit and high-tension circuit simultaneously.

Brief description of the drawings

Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined Become substantially and be readily appreciated that, wherein：

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

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

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

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

Fig. 5 is the igniter schematic diagram according to the utility model embodiment；

Each reference is as follows in figure：

101 --- the first metal end, 102 --- the second metal terminal, 201 --- the first housing, 202 --- second shells Body, 300 --- igniter, 301 --- two core electrodes, 302 --- pencil, 303 --- short-circuited conducting sleeve, 400 --- safety plate, 401 --- cylinder, 402 --- the first cylinder, 500 --- cavity.

Specific embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model Limitation.

In description of the present utility model, it is to be understood that term " on ", D score, "front", "rear", "left", "right", The orientation or position of the instruction such as " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " clockwise ", " counterclockwise ", " axial direction " Relation is, based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplify description, without Be indicate or imply meaning device or element must have specific orientation, with specific azimuth configuration and operation, therefore not It is understood that to be to limitation of the present utility model.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for 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 " is meant that at least two, such as two It is individual, three etc., unless otherwise expressly limited specifically.

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

In the 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 are by 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 " can be with Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.

Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

Fig. 1 is the explosive view according to the utility model embodiment, as depicted in figs. 1 and 2, cutting electricity in collision protection device bag The first metal end 101, the second metal terminal 102, safety plate 400, igniter 300 and housing are included, wherein housing can be used Insulating materials, 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 is electrically connected with the circuit protected needed for outside.The first metal end Second end of 101 the second end and the second metal terminal 102 electrically connects with safety plate 400, the circuit of now outside required protection Path is formd by the first metal end 101, the metal terminal 102 of safety plate 400 and second.

As shown in figures 1 and 3, the second end of the second end of the first metal end 101 and the second metal terminal 102 is provided with recessed Groove, position corresponding with two grooves is provided with two cylinders being adapted with groove on safety plate 400（401）, on safety plate 400 Two cylinders 401 insert corresponding groove respectively, the first metal end 101 and the second metal terminal 102 respectively with insurance Piece 400 is electrically connected through the above way.

Fig. 3 is first profile in direction according to the utility model embodiment, and direction is igniting wherein shown in arrow The direction of motion of safety plate 400 after the ignition of device 300.As shown in figures 1 and 3, have in housing for the logical of the movement of safety plate 400 Road, safety plate 400 is arranged on passage first end, and the middle part of safety plate 400 is extended with first along the opposite direction that safety plate 400 is moved Cylinder 402, and with safety plate 400 direction of motion vertical inner walls face adjacent with passage first end is provided with and the first cylinder 402 grooves being engaged, the first cylinder 402 is fitted close to form cavity 500 with groove, and the part of igniter 300 is located at cavity 500 It is interior.

As shown in Figure 4 and Figure 5, igniter 300 include 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 stretch 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 detonation in 302 simultaneously produces a large amount of gases in a short time.A large amount of gases form powerful gas in cavity 500 Pressure, the air pressure promote safety plate 400 to the end of passage second move, safety plate 400 in moving process, safety plate 400 and first The metal terminal 102 of metal terminal 101 and second is gradually disengaged, final the first metal end 101 and the second metal terminal 102 with Safety plate 400 is separated, and the circuit breaker of outside required protection causes that vehicle is powered off, it is therefore prevented that the secondary wound caused by in-car circuit Evil.

Two core electrodes 301 are provided with short-circuited conducting sleeve 303, and 303 pairs of two core electrodes 301 of short-circuited conducting sleeve carry out short circuit, can be in this collision Power-off protection apparatus were protected before loaded on the vehicle to igniter 300, were prevented because the unexpected factor false touch such as electrostatic Hair igniter 300.When the utility model device is needed to use, two core electrodes 301 can be plugged plug, and plug is by short-circuited conducting sleeve 303 tops are opened, and two core electrodes 301 are no longer short-circuit, and the present apparatus can be used normally.

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

Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model It is interior above-described embodiment to be changed, changed, replaced and modification.

Claims (7)

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）With housing and ignition signal control device, the first metal end （101）The second end and second metal terminal（102）The second end fix be located in the housing, the first metal end Son（101）First end and second metal terminal（102）First end stretch out the housing, and with protect needed for outside Circuit is electrically connected；The first metal end（101）The second end and the second metal terminal（102）The second end with the guarantor Dangerous piece（400）Electrical connection；

Have in the housing for the safety plate（400）Mobile passage, the safety plate（400）Located at the first of the passage End, the safety plate（400）Middle part is along the safety plate（400）The opposite direction of motion is extended with the first cylinder（402）, it is and described The first end of passage it is adjacent and with the safety plate（400）The vertical inner walls face of the direction of motion is provided with and first post Body（402）The groove being engaged, first cylinder（402）It is fitted close to be formed for transmitting the igniter with the groove （300）Energy simultaneously promotes the safety plate（400）Away from the first metal end（101）With second metal terminal （102）Cavity（500）, the igniter（300）Part is located at the cavity（500）It is interior, the ignition signal control dress Put and the igniter（300）Electrical connection is used to control the igniter（300）.

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

3. cutting electricity in collision protection device according to claim 2, it is characterised in that：The first metal end（101）'s Second end and second metal terminal（102）The second end be all provided with fluted, the safety plate（400）Corresponding position It is provided with the cylinder being adapted with the hole（401）, the cylinder（401）With the corresponding groove socket connection.

4. cutting electricity in collision protection device according to claim 1, it is characterised in that：The igniter（300）Including two Core electrode（301）And with two core electrode（301）The pencil of connection（302）, the pencil（302）Built with priming Agent, the igniter is fixed in the housing, and its pencil is arranged in the cavity (500), its two core electrode（301）Stretch Go out the housing.

5. cutting electricity in collision protection device according to claim 4, it is characterised in that：Two core electrode（301）Being provided with will Two core electrode（301）The short-circuited conducting sleeve of short circuit（303）.

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

7. cutting electricity in collision protection device according to claim 1, it is characterised in that：The housing uses insulating materials.