CN108565390A - A kind of electric current automatic disconnecting device applied to new energy battery - Google Patents
A kind of electric current automatic disconnecting device applied to new energy battery Download PDFInfo
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- CN108565390A CN108565390A CN201810373772.8A CN201810373772A CN108565390A CN 108565390 A CN108565390 A CN 108565390A CN 201810373772 A CN201810373772 A CN 201810373772A CN 108565390 A CN108565390 A CN 108565390A
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- lever construction
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- 238000010276 construction Methods 0.000 claims abstract description 84
- NOQGZXFMHARMLW-UHFFFAOYSA-N Daminozide Chemical group CN(C)NC(=O)CCC(O)=O NOQGZXFMHARMLW-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000011796 hollow space material Substances 0.000 claims description 33
- 230000000694 effects Effects 0.000 claims description 16
- 238000004880 explosion Methods 0.000 abstract description 14
- 239000004020 conductor Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000002305 electric material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/578—Devices or arrangements for the interruption of current in response to pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/579—Devices or arrangements for the interruption of current in response to shock
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
An embodiment of the present invention provides a kind of electric current automatic disconnecting devices applied to new energy battery, belong to accessory battery field.Including：Cut-off structure, stress structure and lever construction；One end of cut-off structure is flexibly connected with terminal board；The middle section of cut-off structure includes round concave structure；Two alar parts of cut-off structure respectively include a bar shaped concave structure；The internal diameter of bar shaped concave structure is more than the internal diameter of round concave structure；Stress structure is connect with lever construction；The bottom surface of stress structure is contacted with gas vent；The internal diameter of circular hole where the outer diameter of stress structure is less than gas vent；The fulcrum of lever construction is located at the inner bottom surface of shell, and one end of lever construction and the upper surface of stress structure connect, and the other end of lever construction is connect with position limiting structure.By the way that electric current automatic disconnecting device is set to outside batteries, to reach effective security protection.The possibility for reducing battery explosion, improves safety.
Description
Technical field
The present invention relates to accessory battery field, more particularly to a kind of electric current applied to new energy battery automatically cuts off dress
It sets.
Background technology
Lithium battery is gradually received by market, and fast development is got up due to its excellent characteristic.But in lithium battery
Use during, there are the unsafe problems such as battery explosion when over-charging of battery or short circuit.
The technical solution that the prior art is provided to solve the above-mentioned problems is by CID (Current Interrupt
Device, electric current automatic disconnecting device) combination plate is connected together as electric current by sealing welding with Aluminum cover and cuts automatically
Disconnected device, is set to inside battery.
But during using the technical solution, since the electric current automatic disconnecting device is in inside battery, and it is pushed up
It is not connected between lid and Aluminum cover, is susceptible to head cover activity, the internal resistance of cell is caused to drift about, can not also resist battery vibrations,
It is easily snapped during battery vibrations, is never unable to reach effective security protection.In addition, due to the electric current automatic disconnecting device
In inside battery, in battery exception, it is easy contact internal chemical solution and the perils such as explosion occurs.Increase battery explosion
Possibility, instead further increase there are security risks.
Invention content
In order to solve problems in the prior art, an embodiment of the present invention provides a kind of electric currents applied to new energy battery certainly
Dynamic disconnecting device.The technical solution is as follows：
A kind of electric current automatic disconnecting device applied to new energy battery, described device include：
Cut-off structure, stress structure and lever construction；
One end of the cut-off structure is connect with terminal board by an elastomeric element, and the elastomeric element has electric conductivity；
The middle section of the cut-off structure includes round concave structure；
Two alar parts of the cut-off structure respectively include a bar shaped concave structure；The internal diameter of the bar shaped concave structure is big
In the internal diameter of the round concave structure；
The stress structure is connect with the lever construction；The bottom surface of the stress structure is contacted with gas vent；It is described to answer
The internal diameter of circular hole where the outer diameter of power structure is less than the gas vent；
The fulcrum of the lever construction is located at the inner bottom surface of shell, one end of the lever construction and the stress structure
Upper surface connects, and the other end of the lever construction is connect with position limiting structure；
When the row of exhausting-gas hole does not deform upon, cut-off structure is contacted with terminal base, transmits the input and output of battery
Electric current；
When the row of exhausting-gas hole deforms upon, the stress structure is moved along the circular hole, and drives the lever knot
Structure one end movement connected to it, position limiting structure disconnect with cut-off structure, so that the cut-off structure is disconnected with terminal base and connect
It touches, disconnects input and the output current of battery.
Optionally,
The stress structure is cylindricality, and the lower surface of the stress structure is inclined-plane.
Optionally,
The position limiting structure is connect with the side of the shell by an elastomeric element；The top of the position limiting structure includes
One protrusion part；
The cut-off structure is in the power supply state, and the protrusion part is located at lives with the cut-off structure and terminal board
On the opposite other end in dynamic connection one end；
The cut-off structure is in the off-position, and the protrusion part is located at lives with the cut-off structure and terminal board
The opposite other end in dynamic connection one end disconnects；Or
The top of the position limiting structure includes a hollow space, and one end phase is flexibly connected with terminal board with the cut-off structure
To the other end include a projection portion, the projection portion is corresponding with the size of the hollow space；
The cut-off structure is in the power supply state, and the projection portion is snapped in the hollow space；
The cut-off structure is in the off-position, and the projection portion is disconnected with the hollow space.
Optionally, further include：
The internal diameter of the bar shaped concave structure is less than the internal diameter of the round concave structure；
When the row of exhausting-gas hole does not deform upon, the bar shaped concave structure is contacted with terminal base, transmits the input of battery
And output current；
When the row of exhausting-gas hole deforms upon, stress structure is moved along circular hole, and the lever construction is driven to connect with it
One end movement connect, and under the round concave structure elastic force effect, the bar shaped concave structure is disconnected with the terminal base
Contact is opened, input and the output current of battery are disconnected；
The upper surface of the stress structure includes cylindrical projections structure.
Optionally, further include：
Two alar parts of the cut-off structure respectively include a bar shaped concave structure, and the middle section of the cut-off structure is flat
It is whole；
When the row of exhausting-gas hole does not deform upon, the bar shaped concave structure is contacted with terminal base, transmits the input of battery
And output current；
When the row of exhausting-gas hole deforms upon, stress structure is moved along circular hole, and the lever construction is driven to connect with it
One end movement connect, and under bar shaped concave structure elastic force effect, the bar shaped concave structure is disconnected with the terminal base
Contact is opened, input and the output current of battery are disconnected；
The upper surface of the stress structure includes article shape protrusion structure.
Optionally, further include：
Two alar parts of the cut-off structure are smooth, and the middle section of the cut-off structure includes round concave structure；
When the row of exhausting-gas hole does not deform upon, the circle concave structure is contacted with terminal base, transmits the input of battery
And output current；
When the row of exhausting-gas hole deforms upon, stress structure is moved along circular hole, and the lever construction is driven to connect with it
One end movement connect, and under the round concave structure effect, the circle concave structure connects with terminal base disconnection
It touches, disconnects input and the output current of battery；
The upper surface of the stress structure includes cylindrical projections structure.
On the other hand, a kind of electric current automatic disconnecting device applied to new energy battery is provided, described device includes：
Cut-off structure, stress structure and lever construction；
One end of the cut-off structure is connect with terminal board by an elastomeric element, and the elastomeric element has electric conductivity；
The middle section of the cut-off structure includes round concave structure；
The stress structure is connect with the lever construction；The bottom surface of the stress structure is contacted with gas vent；It is described disconnected
The part that the bottom surface of electric structure is contacted with the stress structure includes at least an elastic construction；The outer diameter of the stress structure is less than
The internal diameter of circular hole where the gas vent；The elastic construction includes at least shrapnel；
The fulcrum of the lever construction is located at the inner bottom surface of shell, and one end of the lever construction is located at the stress structure
Upper surface a groove in, the other end of the lever construction is contacted with position limiting structure；
When the row of exhausting-gas hole does not deform upon, cut-off structure is contacted with terminal base, transmits the input and output of battery
Electric current；
When the row of exhausting-gas hole deforms upon, the stress structure is moved along the circular hole, and drives the lever knot
Structure one end movement connected to it, under the action of the elastic construction and the position limiting structure, makes the cut-off structure
Round concave structure is contacted with terminal base disconnection, disconnects input and the output current of battery.
Optionally,
The stress structure is cylindricality, and the lower surface of the stress structure is inclined-plane.
Optionally,
The position limiting structure is connect with the side of the shell by an elastomeric element；The top of the position limiting structure includes
One hollow space, it includes a projection portion that the opposite other end in one end is flexibly connected with the cut-off structure with terminal board, described
Projection portion is corresponding with the size of the hollow space；
The cut-off structure is in the power supply state, and the projection portion is snapped in the hollow space；
The cut-off structure is in the off-position, and the projection portion is disconnected with the hollow space.
An embodiment of the present invention provides a kind of electric current automatic disconnecting devices applied to new energy battery, including：Power-off knot
Structure, stress structure and lever construction；One end of the cut-off structure is flexibly connected with terminal board；The centre of the cut-off structure
Part includes round concave structure；Two alar parts of the cut-off structure respectively include a bar shaped concave structure；The bar shaped is recessed
The internal diameter of shape structure is more than the internal diameter of the round concave structure；The stress structure is connect with the lever construction；It is described to answer
The bottom surface of power structure is contacted with gas vent；The internal diameter of circular hole where the outer diameter of the stress structure is less than the gas vent；It is described
The fulcrum of lever construction is located at the inner bottom surface of shell, and one end of the lever construction is connect with the upper surface of the stress structure,
The other end of the lever construction is connect with position limiting structure；When the row of exhausting-gas hole does not deform upon, cut-off structure and terminal base
Contact, transmits input and the output current of battery；When the row of exhausting-gas hole deforms upon, the stress structure is along the circle
Hole is moved, and drives lever construction one end movement connected to it, and position limiting structure disconnects with cut-off structure, makes described
Cut-off structure is contacted with terminal base disconnection, disconnects input and the output current of battery.By the way that electric current automatic disconnecting device is set
Outside batteries are placed in, so as to avoid easily being snapped during internal resistance of cell drift and battery vibrations, it is anti-to reach effective safety
Shield.In addition, since the electric current automatic disconnecting device is in outside batteries, avoids and contact internal chemical solution hair in battery exception
The perils such as raw explosion, have reduced the possibility of battery explosion, have improved safety.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of electric current automatic disconnecting device structural representation applied to new energy battery provided in an embodiment of the present invention
Figure.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention
Figure, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only this
Invention a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art exist
The every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a kind of electric current automatic disconnecting device applied to new energy battery, which is applied to
A kind of battery including at least gas vent, in addition to this, the device that the embodiment of the present invention is provided can be applied to the survey of battery
It multiple scenes, the embodiment of the present invention such as tries, produce, using to be not limited specific usage scenario.
In addition to this, the device that the embodiment of the present invention is provided can be fixedly installed on battery, can also be detachable
It is installed on battery, is convenient for changing and sustainable use.
Embodiment one
An embodiment of the present invention provides a kind of electric current automatic disconnecting device applied to new energy battery, which includes：
Cut-off structure, stress structure and lever construction；
One end of the cut-off structure is connect with terminal board by an elastomeric element, and the elastomeric element has electric conductivity；
The middle section of cut-off structure includes round concave structure；
Stress structure is connect with lever construction；The bottom surface of stress structure is contacted with gas vent；The bottom surface of cut-off structure with answer
The part of power structure contact includes at least an elastic construction；The internal diameter of circular hole where the outer diameter of stress structure is less than gas vent；
The fulcrum of lever construction is located at the inner bottom surface of shell, and one end of lever construction is located at the one of the upper surface of stress structure
In a groove, the other end of lever construction is contacted with position limiting structure；
When row of exhausting-gas hole does not deform upon, cut-off structure is contacted with terminal base, transmits input and the output current of battery；
When row of exhausting-gas hole deforms upon, stress structure is moved along circular hole, and drives lever construction one end connected to it
It is mobile, under the action of elastic construction and position limiting structure, the round concave structure of cut-off structure is made to be contacted with terminal base disconnection,
Disconnect input and the output current of battery.
Optionally,
Stress structure is cylindricality, and the lower surface of stress structure is inclined-plane.
Optionally,
The side of position limiting structure and shell is connected by an elastomeric element；
The top of position limiting structure includes a hollow space, and opposite another in one end is flexibly connected with cut-off structure with terminal board
End includes a projection portion, and projection portion is corresponding with the size of hollow space；
Cut-off structure is in power supply state, and projection portion is snapped in hollow space；
Cut-off structure is in off-position, and projection portion is disconnected with hollow space.
An embodiment of the present invention provides a kind of electric current automatic disconnecting device applied to new energy battery, by by electric current from
Dynamic disconnecting device is set to outside batteries, so as to avoid easily being snapped during internal resistance of cell drift and battery vibrations, reaches
Effective security protection.In addition, since the electric current automatic disconnecting device is in outside batteries, avoid in battery exception in contact
The perils such as explosion occur for portion's chemical solution, have reduced the possibility of battery explosion, have improved safety.
Embodiment two
An embodiment of the present invention provides a kind of electric current automatic disconnecting device applied to new energy battery, which includes：
Cut-off structure, stress structure and lever construction；
One end of the cut-off structure is connect with terminal board by an elastomeric element, and the elastomeric element has electric conductivity；
The middle section of cut-off structure includes round concave structure；
Two alar parts of cut-off structure respectively include a bar shaped concave structure；The internal diameter of bar shaped concave structure is more than round recessed
The internal diameter of shape structure；
Stress structure is connect with lever construction；The bottom surface of stress structure is contacted with gas vent；The outer diameter of stress structure is less than
The internal diameter of circular hole where gas vent；
The fulcrum of lever construction is located at the inner bottom surface of shell, and one end of lever construction and the upper surface of stress structure connect,
The other end of lever construction is connect with position limiting structure；
When row of exhausting-gas hole does not deform upon, cut-off structure is contacted with terminal base, transmits input and the output current of battery；
When row of exhausting-gas hole deforms upon, stress structure is moved along circular hole, and drives lever construction one end connected to it
Mobile, position limiting structure is disconnected with cut-off structure, and cut-off structure is made to be contacted with terminal base disconnection, disconnect battery input and
Output current.
Optionally,
Stress structure is cylindricality, and the lower surface of stress structure is inclined-plane.
Optionally,
The side of position limiting structure and shell is connected by an elastomeric element；
The top of position limiting structure includes a protrusion part；
Cut-off structure is in power supply state, and protrusion part is opposite positioned at one end is flexibly connected with cut-off structure with terminal board
On the other end；
Cut-off structure is in off-position, and protrusion part is opposite positioned at one end is flexibly connected with cut-off structure with terminal board
The other end disconnects；Or
The top of position limiting structure includes a hollow space, and opposite another in one end is flexibly connected with cut-off structure with terminal board
End includes a projection portion, and projection portion is corresponding with the size of hollow space；
Cut-off structure is in power supply state, and projection portion is snapped in hollow space；
Cut-off structure is in off-position, and projection portion is disconnected with hollow space.
Optionally, further include：
The internal diameter of bar shaped concave structure is less than the internal diameter of round concave structure；
When row of exhausting-gas hole does not deform upon, bar shaped concave structure is contacted with terminal base, transmits the input and output of battery
Electric current；
When row of exhausting-gas hole deforms upon, stress structure is moved along circular hole, and drives lever construction one end connected to it
It is mobile, and under the effect of round concave structure elastic force, bar shaped concave structure is contacted with terminal base disconnection, disconnects the input of battery
And output current；
The upper surface of stress structure includes cylindrical projections structure.
Optionally, further include：
Two alar parts of cut-off structure respectively include a bar shaped concave structure, and the middle section of cut-off structure is smooth；
When row of exhausting-gas hole does not deform upon, bar shaped concave structure is contacted with terminal base, transmits the input and output of battery
Electric current；
When row of exhausting-gas hole deforms upon, stress structure is moved along circular hole, and drives lever construction one end connected to it
It is mobile, and under the effect of bar shaped concave structure elastic force, bar shaped concave structure is contacted with terminal base disconnection, disconnects the input of battery
And output current；
The upper surface of stress structure includes article shape protrusion structure.
Optionally, further include：
Two alar parts of cut-off structure are smooth, and the middle section of cut-off structure includes round concave structure；
When row of exhausting-gas hole does not deform upon, round concave structure is contacted with terminal base, transmits the input and output of battery
Electric current；
When row of exhausting-gas hole deforms upon, stress structure is moved along circular hole, and drives lever construction one end connected to it
It is mobile, and under the effect of round concave structure, round concave structure is disconnected with terminal base and being contacted, disconnect battery input and
Output current；
The upper surface of stress structure includes cylindrical projections structure.
An embodiment of the present invention provides a kind of electric current automatic disconnecting device applied to new energy battery, by by electric current from
Dynamic disconnecting device is set to outside batteries, so as to avoid easily being snapped during internal resistance of cell drift and battery vibrations, reaches
Effective security protection.In addition, since the electric current automatic disconnecting device is in outside batteries, avoid in battery exception in contact
The perils such as explosion occur for portion's chemical solution, have reduced the possibility of battery explosion, have improved safety.
Embodiment three
An embodiment of the present invention provides a kind of electric current automatic disconnecting device applied to new energy battery, which includes：
Cut-off structure, stress structure and lever construction；
One end of the cut-off structure is connect with terminal board by an elastomeric element, and the elastomeric element has electric conductivity；
The embodiment of the present invention is not limited specific movable connection method.
The middle section of cut-off structure includes round concave structure；The embodiment of the present invention is to dress where the circle concave structure
The area for setting part is not limited, and in practical applications, the material of the circle concave structure can be elastic material, and the bullet
Property some or all of of material be conductive material, the embodiment of the present invention is not limited specific material.
Two alar parts of cut-off structure respectively include a bar shaped concave structure；The internal diameter of bar shaped concave structure is more than round recessed
The internal diameter of shape structure；The sunk part of two bar shaped concave structures is not connected with device, in practical applications, the bar shaped spill
The material of structure can be elastic material, and some or all of of the elastic material is conductive material, the embodiment of the present invention pair
Specific material is not limited.
Preferably, in order to realize the stability of structure, which is with the geometrical line of the cut-off structure
It is accurate symmetrical.
Stress structure is connect with lever construction；The bottom surface of stress structure is contacted with gas vent；The outer diameter of stress structure is less than
The internal diameter of circular hole where gas vent；The embodiment of the present invention is not limited specific internal diameter and outer diameter.
The fulcrum of lever construction is located at the inner bottom surface of shell, and one end of lever construction and the upper surface of stress structure connect,
The other end of lever construction is connect with position limiting structure；
When row of exhausting-gas hole does not deform upon, cut-off structure is contacted with terminal base, transmits input and the output current of battery；
Specifically, round concave structure is conductive material, after round concave structure is contacted with terminal base, battery current passes through
Terminal board, round concave structure and terminal base, forming circuit, to realize input and the output current of transmission battery.
When row of exhausting-gas hole deforms upon, stress structure is moved along circular hole, and drives lever construction one end connected to it
Mobile, position limiting structure is disconnected with cut-off structure, and cut-off structure is made to be contacted with terminal base disconnection, disconnect battery input and
Output current.
Specifically, being abnormal in inside battery, after generating gas, row of exhausting-gas hole deforms upon, and raises up, along circular hole
Direction applies active force to stress structure, to make stress structure be moved along circular hole；Stress structure is linked with lever construction, is answered
When power structure is moved along circular hole, lever construction position limiting structure movement in one end connected to it is driven, to which position limiting structure releases
The cut-off structure active force suffered in power supply state, bar shaped concave structure elastic force act on, the cut-off structure with terminal
One end of plate flexible connection is subjected to displacement for the center of circle, and round concave structure and terminal base are disconnected and being contacted, disconnect the input of battery with
And output current.
Optionally,
Stress structure is cylindricality, and the lower surface of stress structure is inclined-plane.The shape of stress structure and the hole where gas vent
The shape of shape position is corresponding, and the embodiment of the present invention is not limited specific shape.
Optionally,
The side of position limiting structure and shell is connected by an elastomeric element；In practical applications, which can be
Spring；
The top of position limiting structure includes a protrusion part；
Cut-off structure is in power supply state, and protrusion part is opposite positioned at one end is flexibly connected with cut-off structure with terminal board
On the other end；Cut-off structure is in power supply state, and projection portion card pair is flexibly connected one end phase with terminal board with cut-off structure
To the other end downward pressure is provided, the elastic force for overcoming bar shaped concave structure to be provided so that round concave structure with
Terminal base contact is more stablized, and the transmission of electric current is facilitated.
Cut-off structure is in off-position, and protrusion part is opposite positioned at one end is flexibly connected with cut-off structure with terminal board
The other end disconnects；Or
The top of position limiting structure includes a hollow space, and opposite another in one end is flexibly connected with cut-off structure with terminal board
End includes a projection portion, and projection portion is corresponding with the size of hollow space；
Cut-off structure is in power supply state, and projection portion is snapped in hollow space；Cut-off structure is in power supply state, protrusion
Part is snapped in hollow space；Cut-off structure is in power supply state, and projection portion is snapped in hollow space, overcomes bar shaped spill knot
The elastic force that structure is provided facilitates the transmission of electric current so that round concave structure contacts with terminal base and more stablizes.
Cut-off structure is in off-position, and projection portion is disconnected with hollow space.
Optionally, further include：
The internal diameter of bar shaped concave structure is less than the internal diameter of round concave structure；
When row of exhausting-gas hole does not deform upon, bar shaped concave structure is contacted with terminal base, transmits the input and output of battery
Electric current；
When row of exhausting-gas hole deforms upon, stress structure is moved along circular hole, and drives lever construction one end connected to it
It is mobile, and under the effect of round concave structure elastic force, bar shaped concave structure is contacted with terminal base disconnection, disconnects the input of battery
And output current；
The upper surface of stress structure includes cylindrical projections structure.In practical applications, which can be
Conductive material.
Optionally, further include：
Two alar parts of cut-off structure respectively include a bar shaped concave structure, and the middle section of cut-off structure is smooth；
When row of exhausting-gas hole does not deform upon, bar shaped concave structure is contacted with terminal base, transmits the input and output of battery
Electric current；
When row of exhausting-gas hole deforms upon, stress structure is moved along circular hole, and drives lever construction one end connected to it
It is mobile, and under the effect of bar shaped concave structure elastic force, bar shaped concave structure is contacted with terminal base disconnection, disconnects the input of battery
And output current；
The upper surface of stress structure includes article shape protrusion structure.In practical applications, which can be to lead
Electric material.
Optionally, further include：
Two alar parts of cut-off structure are smooth, and the middle section of cut-off structure includes round concave structure；
When row of exhausting-gas hole does not deform upon, round concave structure is contacted with terminal base, transmits the input and output of battery
Electric current；
When row of exhausting-gas hole deforms upon, stress structure is moved along circular hole, and drives lever construction one end connected to it
It is mobile, and under the effect of round concave structure, round concave structure is disconnected with terminal base and being contacted, disconnect battery input and
Output current；
The upper surface of stress structure includes cylindrical projections structure.In practical applications, which can be
Conductive material.
Preferably, in practical applications, in order to increase the stability and durability of the device, except what is contacted with terminal base
Part is conductive material, and the part for providing elastic force is except non-conductive material, and rest part is other materials, the embodiment of the present invention
Specific material is not limited.
An embodiment of the present invention provides a kind of electric current automatic disconnecting device applied to new energy battery, by by electric current from
Dynamic disconnecting device is set to outside batteries, so as to avoid easily being snapped during internal resistance of cell drift and battery vibrations, reaches
Effective security protection.In addition, since the electric current automatic disconnecting device is in outside batteries, avoid in battery exception in contact
The perils such as explosion occur for portion's chemical solution, have reduced the possibility of battery explosion, have improved safety.
Example IV
An embodiment of the present invention provides a kind of electric current automatic disconnecting devices applied to new energy battery, shown referring to Fig.1,
The device includes：
Cut-off structure 11, stress structure 12 and lever construction 13；
One end of the cut-off structure 11 is connect with terminal board by an elastomeric element, and the elastomeric element has conduction
Property；
The middle section of the cut-off structure 11 includes round concave structure；
The stress structure 12 is connect with the lever construction 13；The bottom surface of the stress structure 12 is contacted with gas vent；
The part that the bottom surface of the cut-off structure 11 is contacted with the stress structure 12 includes at least an elastic construction 15；The stress knot
The internal diameter of circular hole where the outer diameter of structure 12 is less than the gas vent；The elastic construction includes at least shrapnel；
The fulcrum of the lever construction 13 is located at the inner bottom surface of shell, and one end of the lever construction 13 is located at the stress
In one groove of the upper surface of structure 12, the other end of the lever construction 13 is contacted with position limiting structure 14；
When the row of exhausting-gas hole does not deform upon, cut-off structure 11 is contacted with terminal base, transmits the input of battery and defeated
Go out electric current；
Specifically, round concave structure is conductive material, after round concave structure is contacted with terminal base, battery current passes through
Terminal board, round concave structure and terminal base, forming circuit, to realize input and the output current of transmission battery.
When the row of exhausting-gas hole deforms upon, the stress structure 12 is moved along the circular hole, and drives the lever
13 one end connected to it of structure is moved, and under the action of the elastic construction and the position limiting structure 14, makes the power-off
The round concave structure of structure 11 is contacted with terminal base disconnection, disconnects input and the output current of battery.
Specifically, being abnormal in inside battery, after generating gas, row of exhausting-gas hole deforms upon, and raises up, along circular hole
Direction applies active force to stress structure 12, to make stress structure 12 be moved along circular hole；Stress structure 12 and lever construction
13 links when stress structure 12 is moved along circular hole, drive the movement of 13 one end position limiting structure 14 connected to it of lever construction, from
And position limiting structure 14 releases the cut-off structure 11 active force suffered in power supply state, under the effect of elastic construction 15, this is disconnected
Electric structure 11 is subjected to displacement with the one end being flexibly connected with terminal board, and round concave structure is contacted with terminal base disconnection, disconnects electricity
The input in pond and output current.
Optionally,
The stress structure 12 is cylindricality, and the lower surface of the stress structure 12 is inclined-plane.The shape of stress structure 12 with
The shape of poroid position where gas vent is corresponding, and the embodiment of the present invention is not limited specific shape.
Optionally,
The position limiting structure 14 is connect with the side of the shell by an elastomeric element；
The top of the position limiting structure 14 includes a hollow space, and one is flexibly connected with terminal board with the cut-off structure 11
It includes a projection portion to hold the opposite other end, and the projection portion is corresponding with the size of the hollow space；
The cut-off structure 11 is in the power supply state, and the projection portion is snapped in the hollow space；
The cut-off structure 11 is in the off-position, and the projection portion is disconnected with the hollow space.
The principle of the part is identical as the principle described in two similar portion of embodiment, is not repeated here herein.
Optionally, the one end being flexibly connected with terminal board includes two symmetrical protrusion parts；
Furthermore it is possible to shown in referring to Fig.1, one end of the described device described in the embodiment of the present invention is flexibly connected with terminal board
It can be understood as two symmetrical protrusion parts and be located at the lower section of terminal board opposite position, and limited by limiting device
Position, realizes being flexibly connected between the device and terminal board, and the size of the limit part in the limiting device is symmetrical with two
The size for protruding part corresponds to；Ensure contact with terminal base of circle concave structure when the row of exhausting-gas hole does not deform upon and
Recovery after inside battery is abnormal and is solved.
An embodiment of the present invention provides a kind of electric current automatic disconnecting device applied to new energy battery, by by electric current from
Dynamic disconnecting device is set to outside batteries, so as to avoid easily being snapped during internal resistance of cell drift and battery vibrations, reaches
Effective security protection.In addition, since the electric current automatic disconnecting device is in outside batteries, avoid in battery exception in contact
The perils such as explosion occur for portion's chemical solution, have reduced the possibility of battery explosion, have improved safety.
The alternative embodiment that any combination forms the present invention may be used, herein no longer in above-mentioned all optional technical solutions
It repeats one by one.
It should be noted that：The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, all at this
Within the spirit and principle of invention, any modification, equivalent replacement, improvement and so on should be included in the protection model of the present invention
Within enclosing.
Claims (9)
1. a kind of electric current automatic disconnecting device applied to new energy battery, which is characterized in that described device includes：
Cut-off structure, stress structure and lever construction；
One end of the cut-off structure is connect with terminal board by an elastomeric element, and the elastomeric element has electric conductivity；
The middle section of the cut-off structure includes round concave structure；
Two alar parts of the cut-off structure respectively include a bar shaped concave structure；The internal diameter of the bar shaped concave structure is more than institute
State the internal diameter of round concave structure；
The stress structure is connect with the lever construction；The bottom surface of the stress structure is contacted with gas vent；The stress knot
The internal diameter of circular hole where the outer diameter of structure is less than the gas vent；
The fulcrum of the lever construction is located at the inner bottom surface of shell, the upper table of one end of the lever construction and the stress structure
Face connects, and the other end of the lever construction is connect with position limiting structure；
When the row of exhausting-gas hole does not deform upon, cut-off structure is contacted with terminal base, transmits input and the output current of battery；
When the row of exhausting-gas hole deforms upon, the stress structure is moved along the circular hole, and drive the lever construction with
Its one end connected movement, position limiting structure are disconnected with cut-off structure, so that the cut-off structure is disconnected with terminal base and are contacted, break
Open input and the output current of battery.
2. the apparatus according to claim 1, which is characterized in that
The stress structure is cylindricality, and the lower surface of the stress structure is inclined-plane.
3. the apparatus of claim 2, which is characterized in that
The position limiting structure is connect with the side of the shell by an elastomeric element；The top of the position limiting structure includes one convex
Go out part；
The cut-off structure is in the power supply state, and the protrusion part is located to be connected with the cut-off structure and terminal board activity
It connects on the opposite other end in one end；
The cut-off structure is in the off-position, and the protrusion part is located to be connected with the cut-off structure and terminal board activity
The opposite other end in one end is connect to disconnect；Or
The top of the position limiting structure includes a hollow space, and it is opposite to be flexibly connected one end with the cut-off structure with terminal board
The other end includes a projection portion, and the projection portion is corresponding with the size of the hollow space；
The cut-off structure is in the power supply state, and the projection portion is snapped in the hollow space；
The cut-off structure is in the off-position, and the projection portion is disconnected with the hollow space.
4. the apparatus according to claim 1, which is characterized in that further include：
The internal diameter of the bar shaped concave structure is less than the internal diameter of the round concave structure；
When the row of exhausting-gas hole does not deform upon, the bar shaped concave structure is contacted with terminal base, transmit battery input and
Output current；
When the row of exhausting-gas hole deforms upon, stress structure is moved along circular hole, and drives the lever construction connected to it
One end is moved, and under the round concave structure elastic force effect, the bar shaped concave structure connects with terminal base disconnection
It touches, disconnects input and the output current of battery；
The upper surface of the stress structure includes cylindrical projections structure.
5. the apparatus according to claim 1, which is characterized in that further include：
Two alar parts of the cut-off structure respectively include a bar shaped concave structure, and the middle section of the cut-off structure is smooth；
When the row of exhausting-gas hole does not deform upon, the bar shaped concave structure is contacted with terminal base, transmit battery input and
Output current；
When the row of exhausting-gas hole deforms upon, stress structure is moved along circular hole, and drives the lever construction connected to it
One end is moved, and under bar shaped concave structure elastic force effect, and the bar shaped concave structure connects with terminal base disconnection
It touches, disconnects input and the output current of battery；
The upper surface of the stress structure includes article shape protrusion structure.
6. the apparatus according to claim 1, which is characterized in that further include：
Two alar parts of the cut-off structure are smooth, and the middle section of the cut-off structure includes round concave structure；
When the row of exhausting-gas hole does not deform upon, it is described circle concave structure contacted with terminal base, transmit battery input and
Output current；
When the row of exhausting-gas hole deforms upon, stress structure is moved along circular hole, and drives the lever construction connected to it
One end is moved, and under the round concave structure effect, the circle concave structure is contacted with terminal base disconnection, is broken
Open input and the output current of battery；
The upper surface of the stress structure includes cylindrical projections structure.
7. a kind of electric current automatic disconnecting device applied to new energy battery, which is characterized in that described device includes：
Cut-off structure, stress structure and lever construction；
One end of the cut-off structure is connect with terminal board by an elastomeric element, and the elastomeric element has electric conductivity；
The middle section of the cut-off structure includes round concave structure；
The stress structure is connect with the lever construction；The bottom surface of the stress structure is contacted with gas vent；The power-off knot
The part that the bottom surface of structure is contacted with the stress structure includes at least an elastic construction；The outer diameter of the stress structure is less than described
The internal diameter of circular hole where gas vent；The elastic construction includes at least shrapnel；
The fulcrum of the lever construction is located at the inner bottom surface of shell, and one end of the lever construction is located at the upper of the stress structure
In one groove on surface, the other end of the lever construction is contacted with position limiting structure；
When the row of exhausting-gas hole does not deform upon, cut-off structure is contacted with terminal base, transmits input and the output current of battery；
When the row of exhausting-gas hole deforms upon, the stress structure is moved along the circular hole, and drive the lever construction with
Its one end connected movement, under the action of the elastic construction and the position limiting structure, makes the circle of the cut-off structure
Concave structure is contacted with terminal base disconnection, disconnects input and the output current of battery.
8. device according to claim 7, which is characterized in that
The stress structure is cylindricality, and the lower surface of the stress structure is inclined-plane.
9. device according to claim 8, which is characterized in that
The position limiting structure is connect with the side of the shell by an elastomeric element；The top of the position limiting structure include one in
Empty part, it includes a projection portion, the protrusion that the opposite other end in one end is flexibly connected with the cut-off structure with terminal board
Part is corresponding with the size of the hollow space；
The cut-off structure is in the power supply state, and the projection portion is snapped in the hollow space；
The cut-off structure is in the off-position, and the projection portion is disconnected with the hollow space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810373772.8A CN108565390A (en) | 2018-04-24 | 2018-04-24 | A kind of electric current automatic disconnecting device applied to new energy battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810373772.8A CN108565390A (en) | 2018-04-24 | 2018-04-24 | A kind of electric current automatic disconnecting device applied to new energy battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108565390A true CN108565390A (en) | 2018-09-21 |
Family
ID=63536664
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810373772.8A Pending CN108565390A (en) | 2018-04-24 | 2018-04-24 | A kind of electric current automatic disconnecting device applied to new energy battery |
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| CN (1) | CN108565390A (en) |
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Address after: 215000 No.57 Torch Road, Suzhou high tech Zone, Suzhou City, Jiangsu Province Applicant after: Suzhou jutianhe Technology Co.,Ltd. Address before: 215000 No.57 Torch Road, Suzhou high tech Zone, Suzhou City, Jiangsu Province Applicant before: SUZHOU JUTIANHE METAL TECHNOLOGY Co.,Ltd. |