CN209626080U - Breaker - Google Patents

Abstract

A kind of breaker provided by the utility model, including, shell defines accommodating chamber in shell；First leading-out terminal and the second leading-out terminal, the first leading-out terminal and the setting of the second leading-out terminal interval, the first leading-out terminal and the second leading-out terminal are respectively facing opposite direction and are stretched out from inside to outside by accommodating chamber；Dynamic touching bridge, dynamic touching bridge is set in accommodating chamber, dynamic touching bridge can be movable between the first position and the second position, touching bridge contacts with the first leading-out terminal and the second leading-out terminal in first position and conducts the first leading-out terminal and the second leading-out terminal, and dynamic touching bridge is separated in the second position with the first leading-out terminal and the second leading-out terminal；Driving assembly, the dynamic touching bridge of driving assembly driving are movable between the first position and the second position；Fuse member, fuse member are connected between the first leading-out terminal and the second leading-out terminal and the first leading-out terminal and the second leading-out terminal are connected.The breaker of the utility model has many advantages, such as integrated level height, small power consumption, replaces convenient, active protection circuit.

Description

Breaker

Technical field

The utility model relates to the protective device of circuit, in particular to a kind of breaker.

Background technique

Breaker used is fuse member on existing new energy field, is influenced by environment such as temperature, it may appear that malfunction or It is failure to actuate phenomenon.And electric vehicle starting current is up ten times of electric current or so, is difficult to match suitable fuse member.Especially It is that electric vehicle designs hundred kilometers of acceleration when within 3 seconds, when suddenly accelerating, pulse current can be far longer than running current.This Shi Xianyou fuse member is unable to satisfy demand at all, and fuse member has selected resistance to pulse behaviors small and has been unable to satisfy requirement, and has selected big and sent out Appearance is possible to when raw short circuit can not effective disconnecting circuit.The power source of electric vehicle is mainly power battery, but power battery is put Electrical characteristics are by environment temperature, and the influence of high low battery, flash-over characteristic has very big difference in varied situations, but protective device needs The effective protection of gamut is provided, conventional fuse member existing at present is also unable to reach such requirement.

Another is intelligent breaker, and additional control circuit feedback signal movement has this during disconnecting circuit Body explosion or arcing time very long risk, especially under high voltages disconnecting circuit when, can because arcing for a long time due to cannot reach The effect of effective disconnecting circuit, leads to the damage of circuit components, cannot achieve the effective protection to circuit.This mode uses Explosive makees offer power, and there are the risks of explosive damp failure, furthermore explosive is affected by temperature, cannot be using under high temperature environment The case where igniting so as to avoid an accident, therefore the products application environment is centainly limited to.

Utility model content

It can be realized monitoring and the quickly breaker that disconnects in view of this, the present invention provides a kind of, a kind of breaker, It is characterised in that it includes shell, the first leading-out terminal, the second leading-out terminal, dynamic touching bridge, driving assembly and fuse member.It is described Accommodating chamber is defined in shell；First leading-out terminal and the setting of second leading-out terminal interval；The dynamic touching bridge setting In in the accommodating chamber, the dynamic touching bridge can be movable between the first position and the second position, and the dynamic touching bridge is described first Position contacts with first leading-out terminal and second leading-out terminal and draws first leading-out terminal and described second Terminal is by the dynamic touching bridge electrical connection out, and the dynamic touching bridge is in the second position and first leading-out terminal and described the The separation of two leading-out terminals；The driving component drives the dynamic touching bridge to live between the first position and the second position It is dynamic；The fuse member is connected between first leading-out terminal and second leading-out terminal and makes first exit Sub and described second leading-out terminal is electrically connected by the fuse member.

In one embodiment, the fuse member includes fuse member shell and is set to the intracorporal insurance of fuse member shell Silk, the fuse member shell is interior to fill quartz sand.

In one embodiment, the resistance value of the fuse member is greater than the resistance value of the dynamic touching bridge.

In one embodiment, the resistance value of the fuse member is five times or more of the dynamic touching bridge.

In one embodiment, the resistance value of the fuse member is ten times of the dynamic touching bridge.

In one embodiment, first leading-out terminal is equipped with first connecting portion, and second leading-out terminal is equipped with second Interconnecting piece, the fuse member have opposite both ends, and wherein one end of the fuse member is connected to the first connecting portion, described The other end of fuse member is connected to the second connecting portion.

In one embodiment, the both ends of the fuse member are buckled with the first connecting portion and the second connecting portion respectively Connection.

In one embodiment, the driving component includes drive rod and magnet assemblies, and the dynamic touching bridging is connected to the drive The upper end of lever, the magnet assemblies drive the drive rod to move up and the dynamic touching bridge is made to be maintained at described first It sets.

In one embodiment, the driving component includes coil, and the coil can be passed through first direction electric current and second party To electric current, the coil is passed through first direction electric current and drives the dynamic touching bridge mobile towards the second position；The coil is logical Entering second direction electric current drives the dynamic touching bridge mobile towards the first direction.

In one embodiment, the shell further includes partition, the partition by the accommodating chamber be divided into the first cavity and Second cavity, the fuse member are set in first cavity, and the driving component is placed in second cavity.

In conclusion the breaker of the utility model includes the first leading-out terminal, the second leading-out terminal, dynamic touching bridge, driving Component, fuse member, detection module and control module, the first leading-out terminal and the second leading-out terminal interval are arranged and are separately connected The both ends of external circuit, the first leading-out terminal and the second leading-out terminal is connected in dynamic touching bridge under the action of driving assembly, so that outside Portion's circuit is in normally off.Fuse member is connected between the first leading-out terminal and the second leading-out terminal, in dynamic touching bridge conducting the When one leading-out terminal and the second leading-out terminal, fuse member is in parallel with dynamic touching bridge.Electricity of the resistance value of fuse member much larger than dynamic touching bridge Resistance value, so that under normal circumstances, only a small amount of electric current passes through fuse member.When detection module detects abnormal high current to control Molding block issues cut-off signal, and control module receives and is passed through first direction electricity towards the coil in driving assembly after cut-off signal Stream and drive dynamic touching bridge to separate with the first leading-out terminal, the second leading-out terminal, abnormal high current is by fuse member by fuse member Fusing, the quartz sand of the interior filling arc extinguishing of fuse member, so that electric arc caused by extinguishing rapidly after fuse member fusing, thus in fact The now purpose of quick disconnecting circuit.After circuit abnormality situation excludes, fuse member is replaced, then be passed through second direction electric current to coil to make Dynamic touching, which is bridged, can reclose circuit into circuit.The breaker of the utility model has integrated level height, small power consumption, replacement side Just, the advantages that active protection circuit.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is a kind of perspective view of the breaker of embodiment of the utility model.

Fig. 2 is the schematic diagram that breaker shown in Fig. 1 removes insulating boot.

Fig. 3 is the structural exploded view of breaker shown in Fig. 1.

Appended drawing reference:

Shell 10, insulator foot 11, insulating boot 13,

First leading-out terminal 21, the first mounting portion 211, the second leading-out terminal 22, the second mounting portion 221,

Dynamic touching bridge 30, the first movable contact 31, the second movable contact 32,

Drive rod 41, magnet assemblies 43, the first magnet 431, the second magnet 432, coil 45,

Fuse member 50.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that the orientation or positional relationship of the instructions such as term " on ", "lower" To be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, without referring to Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage Solution is limitations of the present invention.

Before describing the embodiments in more detail, it should be appreciated that the utility model is not limited in the application hereafter or attached drawing Described in detailed construction or arrangement of elements.The embodiment that the utility model can be realized for other modes.Also, it should manage Solution, the words and terms used herein are for illustrative purposes only, should not be interpreted in a limited way." packet used herein Include ", "comprising", the similar wording such as " having " means comprising items listed thereafter, its equivalent and other additional things.It is special It is not that when describing " a certain component ", it also may include more that the utility model, which does not limit the quantity of the element as one, It is a.

Breaker as shown in Figure 1 to Figure 3, including shell 10, the first leading-out terminal 21, the second leading-out terminal 22, dynamic touching Bridge 30, driving assembly and fuse member 50.

Shell 10 is made of insulating material, and shell 10 includes insulator foot 11 and insulating boot 13, insulator foot 11 and insulation Cover 13 is cooperatively connected and defines accommodating chamber (not labeled) inside shell 10.

First leading-out terminal 21 and the setting of the second leading-out terminal 22 interval, in the present embodiment, 21 He of the first leading-out terminal Second leading-out terminal 22 is respectively facing opposite direction and is stretched out from inside to outside by accommodating chamber, and the first leading-out terminal 21 passes through insulating boot 13 Left side wall is protruding, and the right side wall that the second leading-out terminal 22 passes through insulating boot 13 is protruding, the first leading-out terminal 21 and the Two leading-out terminals 22 are by the outwardly directed one end of shell 10 for connecting external circuit, the first leading-out terminal 21 and the second exit Son 22 is located at one end interval setting in accommodating chamber, so that the first leading-out terminal 21 and the second leading-out terminal 22 are in other no companies When fitting accesses and the two is connected, the first leading-out terminal 21 and the second leading-out terminal 22 are in not on-state.

It wherein needs exist for explaining, of the invention as described in liquid cooling plate in description, about " left and right ", " upper and lower " etc. The description of directionality be according to for the hand designations in Fig. 1, its purpose is to the convenience of description, and are not explanation There is such absolute direction and positional relationship between corresponding component.

Dynamic touching bridge 30 is set in accommodating chamber, and moving touching bridge can be movable between the first position and the second position.In this implementation In example, dynamic touching bridge 30 is located at one end in accommodating chamber with the first leading-out terminal 21 and the second leading-out terminal 22 at first position Contact, more specifically, dynamic touching bridge 30 is equipped with the first movable contact 31 and the second movable contact 32, the first movable contact 31 corresponding first is drawn Terminal 21 is arranged, corresponding second leading-out terminal 22 setting of the second movable contact 32, when dynamic touching bridge 30 is located at first position, the first dynamic touching Point 31 is contacted with the first leading-out terminal 21, and the second movable contact 32 is contacted with the second leading-out terminal 22, and makes the first leading-out terminal 21 It is conducted with the second leading-out terminal 22, i.e., when dynamic touching bridge 30 is located at first position, the first leading-out terminal and the second leading-out terminal are logical Cross touching bridge electrical connection；Accordingly with the dynamic first position for touching bridge 30, the second position of dynamic touching bridge 30 is located under first position Side, dynamic touching bridge 30 are located at one end in accommodating chamber point at the second position with the first leading-out terminal 21 and the second leading-out terminal 22 From.

The dynamic touching bridge 30 of driving assembly driving is movable between the first position and the second position, more specifically, driving assembly packet Include drive rod 41, magnet assemblies 43 and coil 45.The dynamic touching bridge 30 of upper end connection of drive rod 41, magnet assemblies 43 and coil 45 It is set to the lower section of accommodating chamber, magnet assemblies 43 include the first magnet 431 and the second magnet 432 for being set to 45 two sides of coil, Coil 45 can be passed through contrary first direction electric current and second direction electric current, and coil 45 is hollow structure.Drive rod 41 Lower end is equipped with the iron core (not shown) that electromagnetism movement is realized with magnet assemblies 43 and/or coil 45, and the lower end of drive rod 41 It protrudes into coil 45.Iron core positioned at 41 lower end of drive rod moves up under the magnetic action of magnet assemblies 43, and then passes through Drive rod 41 drives dynamic touching bridge 30 mobile to first position, and touching bridge 30 is made to be maintained at first position.Draw when to disconnect first When the circuit that terminal 21 and the second leading-out terminal 22 are electrically connected by dynamic touching bridge 30 out, it is passed through first direction electric current to coil 45, The first direction electric current makes coil 45 generate the magnetism opposite with magnet assemblies 43, and coil 45 acts on caused by iron core Opposite force is greater than magnet assemblies 43 and acts on power caused by iron core, so that iron core is in the coil effect for having led to first direction electric current Lower band dynamic iron core moves down, and then drives dynamic touching bridge 30 mobile to the second position and draw with the first leading-out terminal 21 and second Terminal 22 separates.

The electric current of electric vehicle is not a stable value in the process of running, and the electric current of electric vehicle on startup is normal When driving ten times or so, the breaker of the utility model further includes the detection module and and driving group for detecting external circuit current The control module of part signal connection, detection module connecting detection external circuit, and the operation phase according to locating for electric vehicle is to electricity Stream is analyzed and processed, and different cut off values is arranged for different phase, and the only electric current of external circuit reaches in different phase When corresponding cut off value, detection module can just send cut-off signal to control module, and control module receives after cut-off signal to line Circle 45 is passed through reverse current and disconnects external circuit.The breaker of the utility model is due to being to utilize detection module and control module Control whether the function of disconnecting, it can be achieved that the protection of circuit gamut；And the spy for causing electric current very big situations such as there is short circuit Breaker can realize the purpose of voluntarily rapid disconnecting circuit in different situation.

In the case where external circuit conducting, moving down dynamic touching 30 disconnecting circuit of bridge will draw in dynamic touching bridge 30 and first Electric arc is generated between terminal 21, the second leading-out terminal 22 out, there is security risk, in the present invention, breaker includes molten Broken piece 50, fuse member 50 are connected between the first extraction electronics 21 and the second leading-out terminal 22 and make 21 He of the first leading-out terminal Second leading-out terminal 22 is electrically connected by fuse member 50.At first position, the first leading-out terminal 21 and second draws dynamic touching bridge 30 Terminal 22 realizes that the circuit being electrically connected and the first leading-out terminal 21 and the second leading-out terminal 22 pass through dynamic touching by fuse member 50 out Bridge 30 realizes the circuit in parallel of electrical connection, and the resistance value of fuse member 50 is greater than the resistance value of dynamic touching bridge 30, so that only a small amount of electricity The fusing value of fuse member 50 is not achieved by fuse member 50 in stream, it is preferable that the resistance value of fuse member 50 is five times of dynamic touching bridge 30 More than, it is further preferable that the resistance value of fuse member 50 is ten times of dynamic touching bridge 30；When detection module detects abnormal high current And driving dynamic touching bridge 30 mobile to the second position, high current is fused fuse member 50 by fuse member 50.

Fuse member 50 includes fuse member shell and is set to the intracorporal fuse of fuse member shell, and fuse connection first is drawn Terminal 21 and the second leading-out terminal 22, fuse member shell is interior to fill quartz sand.When abnormal high current passes through the insurance of fuse member 50 When silk, blown fuse, and the quartz sand filled in fuse member shell carries out fast arc extinction, effectively eliminates security risk, it is real Now quick disconnecting circuit prevents other component damages in circuit.

In the present embodiment, the first leading-out terminal 21 and the second leading-out terminal 22, which are respectively equipped with, facilitates the installation of fuse member 50 to connect The first connecting portion 211 and second connecting portion 221 connect, fuse member 50 have opposite both ends, and one end of fuse member 50 is connected to First connecting portion 211, the other end of fuse member 50 are connected to second connecting portion 221, to realize the first leading-out terminal 21 and the Two leading-out terminals 22 are electrically connected by fuse member 50.The both ends of fuse member 50 respectively with first connecting portion 211 and second connecting portion 221 snap connection, and after circuit abnormality situation excludes, only need to change fuse member 50, make to touch bridge 30 to first to coil input energy The mobile second direction electric current in position can reclose circuit.It should be understood that the both ends of fuse member 50 are respectively with first Interconnecting piece 211 and second connecting portion 221 snap connection a kind of only embodiment as the utility model, in other embodiments In, fuse member 50 can also be connected to by other dismountable modes the first leading-out terminal 21 and the second leading-out terminal 22 it Between, such as be bolted, it is convenient for changing fuse member 50 as long as being able to achieve, the utility model draws fuse member 50 and first Terminal 21, the second leading-out terminal 22 specific connection type be not construed as limiting.The breaker of the utility model has fast response time, The advantages that arc extinction time is short, arc quenching effect is good, highly-safe, small in size, reusable.

In other embodiments, shell 10 further includes partition (not shown), the first cavity that accommodating chamber is divided by partition With the second cavity, fuse member 50 is set in the first cavity, and driving assembly is set in the second cavity, the first cavity and the second chamber Body is mutually isolated so that replacement fuse member when, only need to open the first cavity, avoid dust, water etc. enter the second cavity and Influence the performance of driving assembly.

In conclusion the breaker of the utility model includes the first leading-out terminal, the second leading-out terminal, dynamic touching bridge, driving Component, fuse member, detection module and control module, the first leading-out terminal and the second leading-out terminal interval are arranged and are separately connected The both ends of external circuit, the first leading-out terminal and the second leading-out terminal is connected in dynamic touching bridge under the action of driving assembly, so that outside Portion's circuit is in normally off.Fuse member is connected between the first leading-out terminal and the second leading-out terminal, in dynamic touching bridge conducting the When one leading-out terminal and the second leading-out terminal, fuse member is in parallel with dynamic touching bridge.Electricity of the resistance value of fuse member much larger than dynamic touching bridge Resistance value, so that under normal circumstances, only a small amount of electric current passes through fuse member.When detection module detects abnormal high current to control Molding block issues cut-off signal, and control module receives and is passed through first direction electricity towards the coil in driving assembly after cut-off signal Stream and drive dynamic touching bridge to separate with the first leading-out terminal, the second leading-out terminal, abnormal high current is by fuse member by fuse member Fusing, the quartz sand of the interior filling arc extinguishing of fuse member, so that electric arc caused by extinguishing rapidly after fuse member fusing, thus in fact The now purpose of quick disconnecting circuit.After circuit abnormality situation excludes, fuse member is replaced, then be passed through second direction electric current to coil to make Dynamic touching, which is bridged, can reclose circuit into circuit.The breaker of the utility model has integrated level height, small power consumption, replacement side Just, the advantages that active protection circuit.

Concepts described herein may be embodied to other forms without departing from its spirit and characteristics.It is disclosed Specific embodiment should be considered as illustrative rather than restricted.Therefore, the scope of the utility model is wanted by appended right It asks, instead of making decisions based on these previous descriptions.Within the literal meaning and equivalent scope of the claims any changes Change all should belong to these the scope of the claims.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiment or examples.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model Principle and objective in the case where above-described embodiment can be changed in the scope of the utility model, modify, replace and Modification.

Claims (10)

1. a kind of breaker characterized by comprising

Shell defines accommodating chamber in the shell；

First leading-out terminal and the second leading-out terminal, first leading-out terminal and the setting of second leading-out terminal interval；

Dynamic touching bridge, the dynamic touching bridge are set in the accommodating chamber, and the dynamic touching bridge can be between the first position and the second position Activity, the dynamic touching bridge contact with first leading-out terminal and second leading-out terminal in the first position and make described First leading-out terminal and second leading-out terminal by the dynamic touching bridge electrical connection, the dynamic touching bridge in the second position and First leading-out terminal and second leading-out terminal separation；

Driving assembly, the driving component drive the dynamic touching bridge movable between the first position and the second position；

Fuse member, the fuse member are connected between first leading-out terminal and second leading-out terminal and make described One leading-out terminal and second leading-out terminal are electrically connected by the fuse member.

2. breaker as described in claim 1, it is characterised in that: the fuse member includes fuse member shell and is set to described The intracorporal fuse of fuse member shell, the fuse member shell is interior to fill quartz sand.

3. breaker as described in claim 1, it is characterised in that: the resistance value of the fuse member is greater than the electricity of the dynamic touching bridge Resistance value.

4. breaker as claimed in claim 3, it is characterised in that: the resistance value of the fuse member is five times of the dynamic touching bridge More than.

5. breaker as claimed in claim 4, it is characterised in that: the resistance value of the fuse member is the ten of the dynamic touching bridge Times.

6. breaker as described in claim 1, it is characterised in that: first leading-out terminal is equipped with first connecting portion, described Second leading-out terminal is equipped with second connecting portion, and the fuse member has opposite both ends, and wherein one end of the fuse member connects In the first connecting portion, the other end of the fuse member is connected to the second connecting portion.

7. breaker as claimed in claim 6, it is characterised in that: the both ends of the fuse member respectively with the first connecting portion It is snapped connection with the second connecting portion.

8. breaker as described in claim 1, it is characterised in that: the driving component includes drive rod and magnet assemblies, institute The upper end that touching bridging is connected to the drive rod is stated, the magnet assemblies drive the drive rod to move up and make the dynamic touching Bridge is maintained at the first position.

9. breaker as described in claim 1, it is characterised in that: the driving component includes coil, and the coil can be passed through First direction electric current and second direction electric current, the coil are passed through first direction electric current and drive the dynamic touching bridge towards described second Position is mobile；The coil is passed through second direction electric current and drives the dynamic touching bridge mobile towards the first direction.

10. breaker as described in claim 1, it is characterised in that: the shell further includes partition, and the partition is by the appearance Chamber of receiving is divided into the first cavity and the second cavity, and the fuse member is set in first cavity, the driving component accommodating In in second cavity.