CN108390008A - It is a kind of to answer power apparatus for what new energy battery current was automatically cut off - Google Patents
It is a kind of to answer power apparatus for what new energy battery current was automatically cut off Download PDFInfo
- Publication number
- CN108390008A CN108390008A CN201810374380.3A CN201810374380A CN108390008A CN 108390008 A CN108390008 A CN 108390008A CN 201810374380 A CN201810374380 A CN 201810374380A CN 108390008 A CN108390008 A CN 108390008A
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- Prior art keywords
- cut
- stress
- lever construction
- battery
- position limiting
- Prior art date
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- 238000010276 construction Methods 0.000 claims abstract description 72
- 239000011796 hollow space material Substances 0.000 claims description 33
- 230000009471 action Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000004880 explosion Methods 0.000 abstract description 15
- 239000000126 substance Substances 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 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
- 239000004020 conductor Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification 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
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/20—Pressure-sensitive devices
-
- 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
Power apparatus being answered for what new energy battery current was automatically cut off an embodiment of the present invention provides a kind of, belongs to accessory battery field, including:Stress structure and lever construction;The stress structure is connect with the lever construction;The bottom surface of the stress 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;The fulcrum of the 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, and the other end of the lever construction is connect with position limiting structure.By the way that electric current automatic disconnecting device is set to outside batteries, so as to avoid easily being snapped during internal resistance of cell drift and battery vibrations, reach effective security protection.In addition, since the electric current automatic disconnecting device is in outside batteries, avoids and contact the perils such as internal chemical solution generation explosion in battery exception, reduce the possibility of battery explosion, improve safety.
Description
Technical field
The present invention relates to accessory battery field, more particularly to a kind of stress dress automatically cut off for new energy battery current
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 one kind cuts automatically for new energy battery current
Disconnected answers power apparatus.The technical solution is as follows:
A kind of the answer power apparatus, described device automatically cut off for new energy battery current include:
Stress structure and lever construction;
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.
Preferably,
The stress structure is cylindricality, and the lower surface of the stress structure is inclined-plane.
Preferably,
The upper surface of the stress structure includes cylindrical projections structure or article shape protrusion structure, the cylindrical protrusions knot
Structure is corresponding with the connection minor structure.
Preferably,
The position limiting structure is connect with the side of the shell by an elastomeric element;
The top of the position limiting structure includes a 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.
On the other hand, power apparatus being answered for what new energy battery current was automatically cut off an embodiment of the present invention provides a kind of,
Described device includes:
Stress structure and lever construction;
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
The movement of structure one end connected to it, under the action of the elastic construction and the position limiting structure, make the cut-off structure with
Terminal base disconnects contact, 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 a 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.
An embodiment of the present invention provides a kind of power apparatus is answered for what new energy battery current was automatically cut off, including:Stress
Structure and lever construction;The stress structure is connect with the lever construction;The bottom surface of the stress structure connects with gas vent
It touches;The internal diameter of circular hole where the outer diameter of the stress structure is less than the gas vent;The fulcrum of the lever construction is located at shell
Inner bottom surface, one end of the lever construction connect with the upper surface of the stress structure, the other end of the lever construction with
Position limiting structure connects;When the row of exhausting-gas hole does not deform upon, cut-off structure is contacted with terminal base, transmit battery input and
Output 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.By the way that electric current automatic disconnecting device is set to outside batteries, so as to avoid
The internal resistance of cell drifts about and battery vibrations are easily snapped in the process, reaches effective security protection.In addition, since the electric current is automatic
Disconnecting device avoids in outside batteries and contacts the perils such as internal chemical solution generation explosion in battery exception, reduce
The possibility of battery explosion, improves 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 that a kind of stress apparatus structure automatically cut off for new energy battery current provided in an embodiment of the present invention shows
It is intended to.
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.
Power apparatus being answered for what new energy battery current was automatically cut off an embodiment of the present invention provides a kind of, the device application
In 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 battery
It multiple scenes, the embodiment of the present invention such as tests, 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
Power apparatus being answered for what new energy battery current was automatically cut off an embodiment of the present invention provides a kind of, the device packet
It includes:
Stress structure and lever construction;
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, so that cut-off structure is disconnected with terminal base and contact, disconnect the input of battery
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 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.
Power apparatus being answered for what new energy battery current was automatically cut off an embodiment of the present invention provides a kind of, by by electric current
Automatic disconnecting device is set to outside batteries, so as to avoid easily being snapped during internal resistance of cell drift and battery vibrations, reaches
To effective security protection.In addition, since the electric current automatic disconnecting device is in outside batteries, avoids and contacted in battery exception
The perils such as explosion occur for internal chemical solution, have reduced the possibility of battery explosion, have improved safety.
Embodiment two
Power apparatus being answered for what new energy battery current was automatically cut off an embodiment of the present invention provides a kind of, the device packet
It includes:
Stress structure and lever construction;
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.
Preferably,
Stress structure is cylindricality, and the lower surface of stress structure is inclined-plane.
Preferably,
The upper surface of stress structure includes cylindrical projections structure or article shape protrusion structure, cylindrical protrusions structure with connect
Minor structure corresponds to.
Preferably,
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.
Power apparatus being answered for what new energy battery current was automatically cut off an embodiment of the present invention provides a kind of, by by electric current
Automatic disconnecting device is set to outside batteries, so as to avoid easily being snapped during internal resistance of cell drift and battery vibrations, reaches
To effective security protection.In addition, since the electric current automatic disconnecting device is in outside batteries, avoids and contacted in battery exception
The perils such as explosion occur for internal chemical solution, have reduced the possibility of battery explosion, have improved safety.
Embodiment three
Power apparatus being answered for what new energy battery current was automatically cut off an embodiment of the present invention provides a kind of, the device packet
It includes:
Stress structure and lever construction;
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, cut-off structure be conductive material, after cut-off structure is contacted with terminal base, battery current by terminal board,
Cut-off 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 device active force suffered in power supply state, on cut-off structure bar shaped concave structure elastic force effect, the device with
One end of terminal board flexible connection is subjected to displacement for the center of circle, and the round concave structure on cut-off structure is contacted with terminal base disconnection,
Disconnect input and the output current of battery.
Preferably,
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.
Preferably,
The upper surface of stress structure includes cylindrical projections structure or article shape protrusion structure, the shape of cylindrical protrusions structure
And size is corresponding with connection minor structure.The cylindrical projections structure or the connection of one end of article shape protrusion structure and lever construction;
Preferably,
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, the elastic force for overcoming bar shaped concave structure to be provided, so that round concave structure and terminal base
Contact is more stablized, and the transmission of electric current is facilitated.
Cut-off structure is in off-position, and projection portion is disconnected with hollow space.
Power apparatus being answered for what new energy battery current was automatically cut off an embodiment of the present invention provides a kind of, by by electric current
Automatic disconnecting device is set to outside batteries, so as to avoid easily being snapped during internal resistance of cell drift and battery vibrations, reaches
To effective security protection.In addition, since the electric current automatic disconnecting device is in outside batteries, avoids and contacted in battery exception
The perils such as explosion occur for internal chemical solution, have reduced the possibility of battery explosion, have improved safety.
Example IV
Power apparatus being answered for what new energy battery current was automatically cut off an embodiment of the present invention provides a kind of, referring to Fig.1 institute
Show, which includes:
Stress structure 11 and lever construction 12;
The stress structure 11 is connect with the lever construction 12;The bottom surface of the stress structure 11 is contacted with gas vent;
The part that the bottom surface of the cut-off structure is contacted with the stress structure 11 includes at least an elastic construction;The elastic construction is extremely
Include shrapnel less;Attached drawing is referred to, the outer diameter of the stress structure is less than the internal diameter of gas vent place circular hole;
The fulcrum of the lever construction 12 is located at the inner bottom surface of shell, and one end of the lever construction 12 is located at the stress
In one groove of the upper surface of structure 11, the other end of the lever construction 12 is contacted with position limiting structure 13;
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;
Specifically, cut-off structure be conductive material, after cut-off structure is contacted with terminal base, battery current by terminal board,
Cut-off 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 11 is moved along the circular hole, and drives the lever
12 one end connected to it of structure is moved, and under the action of the elastic construction and the position limiting structure 13, makes the power-off
Structure 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 11, to make stress structure 11 be moved along circular hole;Stress structure 11 and lever construction
12 links when stress structure 11 is moved along circular hole, drive the movement of 12 one end position limiting structure 13 connected to it of lever construction, from
And position limiting structure 13 releases the device active force suffered in power supply state, is acted in elastic construction, the device with terminal
One end of plate flexible connection is subjected to displacement, and cut-off structure is contacted with terminal base disconnection, disconnects input and the output current of battery.
Optionally,
The stress structure 11 is cylindricality, and the lower surface of the stress structure 11 is inclined-plane.The shape of stress structure 11 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 13 is connect with the side of the shell by an elastomeric element;
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.
The above process and the principle described in embodiment two are identical as the principle described in embodiment two-phase similar structures, herein not
It is repeated here again.
Power apparatus being answered for what new energy battery current was automatically cut off an embodiment of the present invention provides a kind of, by by electric current
Automatic disconnecting device is set to outside batteries, so as to avoid easily being snapped during internal resistance of cell drift and battery vibrations, reaches
To effective security protection.In addition, since the electric current automatic disconnecting device is in outside batteries, avoids and contacted in battery exception
The perils such as explosion occur for internal 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 (7)
1. a kind of answering power apparatus for what new energy battery current was automatically cut off, which is characterized in that described device includes:
Stress structure and lever construction;
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 upper surface of the stress structure includes cylindrical projections structure or article shape protrusion structure, the cylindrical protrusions structure with
The connection minor structure corresponds to.
4. device according to claim 3, 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 a protrusion 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.
5. a kind of answering power apparatus for what new energy battery current was automatically cut off, which is characterized in that described device includes:
Stress structure and lever construction;
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 cut-off structure and terminal
Seat disconnects contact, disconnects input and the output current of battery.
6. device according to claim 5, which is characterized in that
The stress structure is cylindricality, and the lower surface of the stress structure is inclined-plane.
7. device according to claim 6, 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 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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810374380.3A CN108390008A (en) | 2018-04-24 | 2018-04-24 | It is a kind of to answer power apparatus for what new energy battery current was automatically cut off |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810374380.3A CN108390008A (en) | 2018-04-24 | 2018-04-24 | It is a kind of to answer power apparatus for what new energy battery current was automatically cut off |
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CN108390008A true CN108390008A (en) | 2018-08-10 |
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CN201810374380.3A Pending CN108390008A (en) | 2018-04-24 | 2018-04-24 | It is a kind of to answer power apparatus for what new energy battery current was automatically cut off |
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US2199607A (en) * | 1938-09-21 | 1940-05-07 | Westinghouse Electric & Mfg Co | Circuit interrupter |
JPH0917416A (en) * | 1995-06-30 | 1997-01-17 | Fuji Elelctrochem Co Ltd | Battery having explosion-proof function |
JPH09134715A (en) * | 1995-11-10 | 1997-05-20 | Fuji Elelctrochem Co Ltd | Battery with explosion proof function |
US6049265A (en) * | 1997-01-21 | 2000-04-11 | Siemens Aktiengesellschaft | Load disconnecting switch, in particular for the load circuit of a motor vehicle battery |
CN201490240U (en) * | 2009-08-14 | 2010-05-26 | 深圳市科达利实业有限公司 | Lithium battery cover plate with explosion protection and power-off protection device |
KR20120059045A (en) * | 2010-11-30 | 2012-06-08 | 현대자동차주식회사 | Service Plug for High Voltage Battery |
KR20150039919A (en) * | 2013-10-04 | 2015-04-14 | 한국단자공업 주식회사 | Connecter assembly |
CN208904125U (en) * | 2018-04-24 | 2019-05-24 | 苏州聚天合金属科技有限公司 | A kind of stress device automatically cut off for new energy battery current |
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Publication number | Priority date | Publication date | Assignee | Title |
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US2199607A (en) * | 1938-09-21 | 1940-05-07 | Westinghouse Electric & Mfg Co | Circuit interrupter |
JPH0917416A (en) * | 1995-06-30 | 1997-01-17 | Fuji Elelctrochem Co Ltd | Battery having explosion-proof function |
JPH09134715A (en) * | 1995-11-10 | 1997-05-20 | Fuji Elelctrochem Co Ltd | Battery with explosion proof function |
US6049265A (en) * | 1997-01-21 | 2000-04-11 | Siemens Aktiengesellschaft | Load disconnecting switch, in particular for the load circuit of a motor vehicle battery |
CN201490240U (en) * | 2009-08-14 | 2010-05-26 | 深圳市科达利实业有限公司 | Lithium battery cover plate with explosion protection and power-off protection device |
KR20120059045A (en) * | 2010-11-30 | 2012-06-08 | 현대자동차주식회사 | Service Plug for High Voltage Battery |
KR20150039919A (en) * | 2013-10-04 | 2015-04-14 | 한국단자공업 주식회사 | Connecter assembly |
CN208904125U (en) * | 2018-04-24 | 2019-05-24 | 苏州聚天合金属科技有限公司 | A kind of stress device automatically cut off for new energy battery current |
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