CN109273784A - The protective device of anti-over-charging of battery - Google Patents
The protective device of anti-over-charging of battery Download PDFInfo
- Publication number
- CN109273784A CN109273784A CN201811111755.3A CN201811111755A CN109273784A CN 109273784 A CN109273784 A CN 109273784A CN 201811111755 A CN201811111755 A CN 201811111755A CN 109273784 A CN109273784 A CN 109273784A
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- Prior art keywords
- conductive
- battery
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- charging
- over
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/488—Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
A kind of protective device of anti-over-charging of battery provided by the invention, the detection including the conductive unit of conductive intensities is adjusted and connect with target battery hull outside wall adjust unit;It includes conductive slide plate and detection drive rod that the detection, which adjusts unit, and one end of the conduction slide plate is fixedly connected with detection drive rod, and the other end of the conduction slide plate contacts electrical connection with conductive unit;The detection adjusts unit detection target battery and overcharges the displacement that expansion generates, and conductive slide plate is transmitted to, with the conductive intensities of regulating winding;The present invention adjusts the discharge current for overcharging battery, avoiding battery over-discharge leads to the service life for reducing battery, it ensure that battery can completely cut through electric current in overcharge conditions, it provides alarm unit simultaneously to alarm to over-charging of battery situation, improves the safety of battery charging, and the present apparatus is simple and compact for structure, it is easy to install and use, high reliablity extends service life, reduces use cost.
Description
Technical field
The present invention relates to battery protection fields, and in particular to a kind of protective device of anti-over-charging of battery.
Background technique
Lithium ion battery is due to high-energy, high capacity and high highway, being widely used in hybrid vehicle and electronic
Automobile.Since inside battery positive and negative electrode material has very strong chemical reactivity, when there is the case where overcharge, positive and negative anodes
Material generates a large amount of high-temperature gas with reacting for electrolyte, if battery does not have reliable anti-overcharge protective device,
Then gas, which expands rapidly, may bring battery catches fire or explosion.Existing anti-overcharge lithium ion batteries protector is to mistake
The lithium ion battery over-discharge filled, electrolyte reduce lithium ion battery because decomposition causes battery behavior and durability to deteriorate
Chargeable number, reduce the service life of lithium ion battery.In addition, there are also utilize electricity when overcharging in battery protection mode
Pressure inside pond rises and battery anti-explosion plate is made to cut off electric current, realizes the safeguard protection to battery, but its effect has one
Fixed limitation, it is possible that the case where electric current can not be cut off.
It is, therefore, desirable to provide a kind of protective device for the anti-over-charging of battery that can solve the above problem.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of protective device of anti-over-charging of battery, by the way that adjustable lead is arranged
The detection that the conductive unit and detection target battery of electric strength overcharge the displacement that expansion generates adjusts unit, overcharges battery to adjust
Discharge current, avoid battery over-discharge cause reduce battery service life, ensure that battery can in overcharge conditions
Electric current is completely cut through, while alarm unit being provided and is alarmed over-charging of battery situation, improves the safety of battery charging.
The present invention provides a kind of protective device of anti-over-charging of battery, conductive unit and and mesh including conductive intensities are adjusted
The detection for marking the connection of battery case lateral wall adjusts unit;
It includes conductive slide plate and detection drive rod that the detection, which adjusts unit, and one end of the conduction slide plate and detection are driven
Lever is fixedly connected, and the other end of the conduction slide plate contacts electrical connection with conductive unit;The detection drive rod and target electricity
Chi Ketiwaicebi connection;
The conductive unit is coil, and the coil includes the conductive coil and insulated coil being sequentially connected in series;The conduction
The other end of slide plate contacts electrical connection with coil lateral wall;
The conductive unit and detection adjust unit and are sequentially connected in series the charge circuit in target battery and external charging power supply
In;
The detection adjusts unit detection target battery and overcharges the displacement that expansion generates, and is transmitted to conductive slide plate, promotion is led
Electric slide plate is slided in coil lateral wall along coil axis direction single-degree-of-freedom, with the conductive intensities of regulating winding.
Further, the conductive coil includes the different conductive subcoil of several electric conductivity for being sequentially connected in series, described several
The electric conductivity of conductive subcoil close to insulated coil one end to far from insulated coil one end from being sequentially increased.
It further, further include the alarm unit connected with conductive unit;The alarm unit includes induction patch, letter
Number processor and display equipment;The induction patch is set to the conductive slide plate one of conductive subcoil direction connecting with insulated coil
Side;The induction patch is connect with signal processor, and the signal for the conductive slide plate sensed to be slipped over induction patch is sent
To signal processor;The signal processor is connect with display equipment, is shown for alarm signal to be sent to display equipment.
It further, further include support unit;The support unit include the insulating substrate of cylindrical structure, conductive slide bar and
Insulating supporting column;
On an insulating substrate, the insulating substrate both ends fixation is separately fixed on insulating supporting column the coil winding;
One end of the conduction slide plate is socketed on conductive slide bar, and can be slidably reciprocated along conductive slide bar single-degree-of-freedom;Institute
The axis for stating conductive slide bar is parallel with the axis of coil;The conduction slide bar both ends are each passed through insulating supporting column, and fixed company
It connects on insulating supporting column;Axis of the axis of the insulating supporting column perpendicular to conductive slide bar.
Further, one end and the conductive slide bar far from insulated coil of the conductive coil pass through appointing for insulating supporting column
Meaning one end is sequentially connected in series in the charge circuit of target battery and external charging power supply.
It further, further include the annular projection for being fixed at target battery hull outside wall;The detection drive rod
One end is provided with the clamping button being connected on annular projection;One end of the conduction slide plate is provided with cylindrical projection, the detection
The other end of drive rod, which is provided with, to be coated at cylindrical projection and buckles with the conformal matched annular of cylindrical projection.
Further, any end that the conductive slide bar passes through insulating supporting column, which is provided with, is serially connected in target battery and outside
The slide bar binding post of the charge circuit of charge power supply;The conductive coil is provided with far from one end of insulated coil and is serially connected in target
The coil lead of the charge circuit of battery and external charging power supply.
Further, the conductive coil is wire coil;
The insulated coil is ceramic coil.
Beneficial effects of the present invention: the present invention is by being arranged the conductive unit of adjustable conductive intensities and detecting target battery
The detection for overcharging the displacement that expansion generates adjusts unit, to adjust the discharge current for overcharging battery, avoids battery over-discharge
Lead to the service life for reducing battery, ensure that battery can completely cut through electric current in overcharge conditions, while providing alarm unit
It alarms over-charging of battery situation, improves the safety of battery charging, and the present apparatus is simple and compact for structure, the side of installing and using
Just, high reliablity extends service life, reduces use cost.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the structural diagram of the present invention I;
Fig. 2 is structural schematic diagram II of the invention;
Fig. 3 is the structural schematic diagram for detecting drive rod;
Fig. 4 is the structural schematic diagram of alarm unit;
Fig. 5 is the internal structure chart of battery case.
Specific embodiment
As depicted in figs. 1 and 2, the protective device of a kind of anti-over-charging of battery provided by the invention, including it is adjustable conductive strong
The conductive unit 2 of degree and the detection connecting with 1 hull outside wall of target battery adjust unit 3;
It includes conductive slide plate 31 and detection drive rod 32, one end of the conduction slide plate 31 that the detection, which adjusts unit 3,
It is fixedly connected with detection drive rod 32, the other end of the conduction slide plate 31 contacts electrical connection with conductive unit 2;The detection
Drive rod 32 is connect with 1 hull outside wall of target battery;
The conductive unit 2 is coil, and the coil includes the conductive coil 21 and insulated coil 22 being sequentially connected in series;Institute
The other end for stating conductive slide plate 31 contacts electrical connection with coil lateral wall;
The conductive unit 2 and detection adjust unit 3 and are sequentially connected in series the charging in target battery 1 and external charging power supply 6
In circuit;
The detection adjusts unit 3 and detects the displacement that target battery 1 overcharges expansion generation, is transmitted to conductive slide plate 31, pushes away
Moving conductive slide plate 31 is slided in coil lateral wall along coil axis direction single-degree-of-freedom, with the conductive intensities of regulating winding.Pass through
Above structure, conductive unit 2 and detection target battery 1 that adjustable conductive intensities are arranged overcharge the detection for the displacement that expansion generates
Unit 3 is adjusted, to adjust the discharge current for overcharging battery, avoiding battery over-discharge leads to the service life for reducing battery,
It ensure that battery can completely cut through electric current in overcharge conditions, while alarm unit 4 being provided and is alarmed over-charging of battery situation,
The safety of battery charging is improved, and the present apparatus is simple and compact for structure, easy to install and use, high reliablity extends use
Service life reduces use cost.In the present embodiment, when external charging power supply 6 charges normal target battery 1, conductive slide plate
31 connect with conductive coil 21, and charge circuit charges normal;When external charging power supply 6 overcharges to target battery 1,
1 case swells of target battery push detection drive rod 32 mobile to the direction far from 1 shell of target battery, thus with moving conductive
Slide plate 31 slides into 22 one end of insulated coil, and charge circuit disconnects, avoids further overcharging for target battery 1, ensure that target
The safety that battery 1 charges.When expansion target shell natural cooling and after shrink, drive detection drive rod 32 to push back, thus
Band moving conductive slide plate 31 returns to conductive coil one end, recharges.In the present embodiment, the conduction slide plate 31 is by conductive gold
Category is made, and preferably metallic copper is made.
The bottom of the target battery 1 and the protective device of anti-over-charging of battery is fixed, and is not subjected to displacement variation.This reality
It applies in example, several target batteries 1 is placed on vertically in integrating device or storage device, and is equidistant arranged in parallel, if described
Dry 1 bottom of target battery is fixed on integrating device or storage device bottom.The protective device of anti-over-charging of battery is arranged in adjacent mesh
It marks between battery 1, and the protective device bottom of anti-over-charging of battery is fixed on integrating device or storage device bottom, the target electricity
Pond 1 is single battery.The integrating device or storage device can be battery case.
The conductive coil 21 includes the different conductive subcoil of several electric conductivity for being sequentially connected in series, several conductive sons
The electric conductivity of coil close to 22 one end of insulated coil to far from 22 one end of insulated coil from being sequentially increased.It is several in the present embodiment
The electric conductivity of conductive subcoil makes anti-battery from being sequentially increased close to 22 one end of insulated coil to far from 22 one end of insulated coil
The protective device overcharged overcharges being gradually increased for degree with target battery 1, gradually decreases electric conductivity, avoids changing for cliff of displacement formula
The electric conductivity for becoming the protective device of anti-over-charging of battery deteriorates 1 characteristic of target battery and durability, and improve battery uses the longevity
Life, has saved cost.In the present embodiment, be provided with two strands of conductive subcoils, including conductive subcoil I 211 and with conductive sub-line
Enclose the conductive subcoil II 212 of I 211 one end connection.The other end of the conduction subcoil I 211 concatenates in charge circuit,
The electric conductivity of the conduction subcoil I 211 is better than the electric conductivity of conductive subcoil II 212, and the setting of induction patch 41 is being led
One end that electronic coil II 212 is connect with insulated coil 22.
It further include the alarm unit 4 connected with conductive unit 2;The alarm unit 4 includes induction patch 41, signal
Processor 42 and display equipment 43;The induction patch 41 is set to the conductive subcoil direction connecting with insulated coil 22 and leads
Electric 31 side of slide plate;The induction patch 41 is connect with signal processor 42, for the conductive slide plate 31 sensed to be slipped over sense
The signal of patch 41 is answered to be sent to signal processor 42;The signal processor 42 is connect with display equipment 43, for that will alarm
Signal is sent to display equipment 43 and shows.Work as over-charging of battery, pushes conductive slide plate 31 from conductive coil 21221 to insulated coil
22 slidings, by incuding patch 41, induction patch 41 senses that conductive slide plate 31 slips over, and sends signal to signal processor 42,
The control display equipment 43 of signal processor 42 issues alarm signal.After charge circuit disconnects, battery natural cooling, conductive slide plate 31
Under the action of insulating push rod, conductive slide plate 31 is slided from insulated coil 22 to conductive coil 21, again passes by induction patch
41, user is reminded in alarm of setting out.
It further include support unit 5;The support unit 5 includes the insulating substrate 51 of cylindrical structure, 52 and of conductive slide bar
Insulating supporting column 53;
For the coil winding in insulating substrate 51,51 both ends of the insulating substrate fixation is separately fixed at insulating supporting column
On 53;
One end of the conduction slide plate 31 is socketed on conductive slide bar 52, and can be slided back and forth along conductive 52 single-degree-of-freedom of slide bar
It is dynamic;The axis of the conduction slide bar 52 is parallel with the axis of coil;52 both ends of the conduction slide bar are each passed through insulating supporting column
53, and be fixedly connected on insulating supporting column 53;Axis of the axis of the insulating supporting column 53 perpendicular to conductive slide bar 52.
In the present embodiment, the support column bottom is additionally provided with the firm banking 531 for fixing insulating supporting column 53, described conductive sliding
Bar 52 is located at the surface of coil, and the detection adjusts the surface that unit 3 is located at conductive unit 2.
The conductive coil 21 one end and the conductive slide bar 52 far from insulated coil 22 pass through insulating supporting column 53
Any end is sequentially connected in series in the charge circuit of target battery 1 and external charging power supply 6.
As shown in figure 3, further including the annular projection 11 for being fixed at 1 hull outside wall of target battery;The detection is driven
One end of lever 32 is provided with the clamping button 321 being connected on annular projection 11;One end of the conduction slide plate 31 is provided with circle
Column protrusion 311, the other end of the detection drive rod 32, which is provided with, is coated at cylindrical projection 311 and conformal with cylindrical projection 311
Matched annular buckle 322.The present embodiment, the annular projection 11 are located in the middle part of the lateral wall of 1 shell of target battery.Passing through will
The connection structure and detection drive rod 32 of detection drive rod 32 and 1 shell of target battery and the connection structure setting of conductive slide plate 31
The present apparatus is made to be convenient to assemble with battery roll for fastening structure, easy to install and use, high reliablity is reusable.
Any end that the conduction slide bar 52 passes through insulating supporting column 53, which is provided with, is serially connected in target battery 1 and outside
The slide bar binding post 521 of the charge circuit of charge power supply 6;The conductive coil 21 is provided with string far from one end of insulated coil 22
The coil lead 213 of the charge circuit in target battery 1 Yu external charging power supply 6 is connect, the coil lead 213 is fixed on
In insulating substrate 51, facilitate anti-over-charging of battery device serial connection in the charge circuit of target battery 1 and external charging power supply 6.
The conductive coil 21 is wire coil;
The insulated coil 22 is ceramic coil.
In the present embodiment, the anode of target battery 1 is connect with coil lead 213, and cathode and the outside of target battery 1 are filled
The cathode of power supply 6 connects, and the anode of external charging power supply 6 is connect with guide rod binding post, forms charge circuit.Further, prevent
The protective device of over-charging of battery can be also arranged in series between 1 anode of target battery and the anode of external charging power supply 6, and outside is filled
Power supply 6 is connect with the cathode of target battery 1, forms charge circuit.Further, the connection of coil lead 213 and guide rod wiring
The position that column is serially connected in charge circuit can be interchanged.
As shown in figure 4, several target batteries 1 can will be also placed in battery case vertically in the present embodiment, and equidistant
Arranged in parallel, several 1 bottoms of target battery are fixed on battery case bottom.The protective device of anti-over-charging of battery is arranged adjacent
Between target battery 1, and the protective device bottom of anti-over-charging of battery is fixed on battery case bottom, by several target batteries 1 and outside
Portion's charge power supply 6 is sequentially connected in series the charge circuit to form target battery 1.The protective device of the anti-over-charging of battery is driven by detection
Lever 32 is connect with one of target battery in adjacent target battery, overcharges expansion generation for detecting the target battery 1
Displacement;There are gaps with another adjacent target battery 1 for the protective device of the anti-over-charging of battery, and not by another target battery
Overcharge the Influence of Displacement that expansion generates.
As shown in figure 5, several target batteries 1 and the anti-equal fixed placement of over-charging of battery device are in battery case 7.Institute
It states battery case inner wall bottom 71 and sinks to being formed several mounting grooves 12 for being used to be fixedly mounted target battery 1, described mounting groove 12 etc.
Spacing setting, and the conformal matching of hull shape of mounting groove 12 and target battery 1, target battery 1 are clamped and are fixed on mounting groove
12.Further, 72 upper end of battery case inner sidewall is provided with gag lever post 13, the gag lever post 13 cooperates with mounting groove 12 by target
Battery 1 is limited on the fixation position in battery case 7, and avoiding the vibration of battery case 7 causes target battery 1 to skid off mounting groove 12.
The gag lever post 13 is rubber gag lever post, does not influence over-charging of battery expansion and is subjected to displacement.The protection of the anti-over-charging of battery fills
The pedestal set avoids mounting groove 12, is fixed on battery case inner wall bottom 71.The target battery 1 and the protection of anti-over-charging of battery fill
It sets and is disposed alternately in battery case 7.
The protective device of anti-over-charging of battery is arranged between adjacent target battery 1, i.e., the protective device string of anti-over-charging of battery
It is associated between adjacent target battery 1, is supervised for the overcharge conditions to the previous target battery 1 in adjacent target battery 1
It surveys, to be protected according to monitoring situation to entire charge circuit;Further, the last one target in several target batteries 1
The protective device that an anti-over-charging of battery is additionally provided on the outside of battery 1 is monitored the overcharge conditions of the target battery 1, with root
Entire charge circuit is protected according to monitoring situation.In adjacent target battery 1, previous target battery 1 anode be located at
The coil lead 213 of the protective device of anti-over-charging of battery between the adjacent target battery 1 connects, latter object battery 1
The guide rod binding post of the protective device of cathode and the anti-over-charging of battery between the adjacent target battery 1 connects;For monitoring
The coil lead 213 and the last one mesh of the protective device of the anti-over-charging of battery of the overcharge conditions of the last one target battery 1
The anode connection of battery 1 is marked, the protective device of the anti-over-charging of battery of the overcharge conditions for monitoring the last one target battery 1
Guide rod binding post 3 is connect with the anode of external power supply;First in the cathode of external charging power supply 6 and several target batteries 1
The cathode of target battery 1 connects, and forms charge circuit, and the protective device monitoring respective objects battery 1 of anti-over-charging of battery overcharges
Situation, and the electric conductivity intensity of the protective device of anti-over-charging of battery is adjusted according to the overcharge conditions of previous target battery 1, once it is whole
Overcharge conditions occur at least one target battery 1 in a charge circuit, then cut off entire charge circuit, protect target battery 1.This
Outside, the protective device of anti-over-charging of battery is just disposed alternately at battery storing with single battery when single battery is integrated into battery pack
In device, discharged in single battery in use, the different conduction of setting conductive intensities is sub in the discharge loop for being serially connected in battery pack
Coil, adjustable single battery discharge current size avoid single battery over-discharge, and electrolyte causes monomer electric because of decomposition
The characteristic and durability in pond deteriorate, thus reduce can single battery charging times.
In description of the invention, it is to be understood that term " on ", "lower", "top", "bottom", "front", "rear", "inner",
The orientation of instructions such as "outside", " vertical ", " parallel ", " transverse direction ", " longitudinal direction ", " vertical ", " length direction " and " width direction " or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (8)
1. a kind of protective device of anti-over-charging of battery, it is characterised in that: conductive unit and and mesh including conductive intensities are adjusted
The detection for marking the connection of battery case lateral wall adjusts unit;
The detection adjusting unit includes conductive slide plate and detection drive rod, one end and the detection drive rod of the conduction slide plate
It is fixedly connected, the other end of the conduction slide plate contacts electrical connection with conductive unit;The detection drive rod and target battery shell
External side wall connection;
The conductive unit is coil, and the coil includes the conductive coil and insulated coil being sequentially connected in series;The conduction slide plate
The other end contact electrical connection with coil lateral wall;
The conductive unit and detection adjust unit and are sequentially connected in series in the charge circuit of target battery and external charging power supply;
The detection adjusts unit detection target battery and overcharges the displacement that expansion generates, and is transmitted to conductive slide plate, pushes conductive sliding
Piece is slided in coil lateral wall along coil axis direction single-degree-of-freedom, with the conductive intensities of regulating winding.
2. the protective device of anti-over-charging of battery according to claim 1, it is characterised in that: the conductive coil includes successively going here and there
The different conductive subcoil of several electric conductivity connect, the electric conductivity of several conductive subcoils from close to insulated coil one end to
It is sequentially increased far from insulated coil one end.
3. the protective device of anti-over-charging of battery according to claim 2, it is characterised in that: further include contacting company with conductive unit
The alarm unit connect;The alarm unit includes induction patch, signal processor and display equipment;The induction patch is set to
The conductive subcoil direction conductive slide plate side being connect with insulated coil;The induction patch is connect with signal processor, is used for
The signal that the conductive slide plate sensed slips over induction patch is sent to signal processor;The signal processor and display equipment
Connection is shown for alarm signal to be sent to display equipment.
4. the protective device of anti-over-charging of battery according to claim 1, it is characterised in that: further include support unit;The branch
Support unit includes insulating substrate, conductive slide bar and the insulating supporting column of cylindrical structure;
On an insulating substrate, the insulating substrate both ends fixation is separately fixed on insulating supporting column the coil winding;
One end of the conduction slide plate is socketed on conductive slide bar, and can be slidably reciprocated along conductive slide bar single-degree-of-freedom;It is described to lead
The axis of electric slide bar and the axis of coil are parallel;The conduction slide bar both ends are each passed through insulating supporting column, and are fixedly connected on
On insulating supporting column;Axis of the axis of the insulating supporting column perpendicular to conductive slide bar.
5. the protective device of anti-over-charging of battery according to claim 4, it is characterised in that: the conductive coil is far from insulated wire
Any end that one end of circle and the conductive slide bar pass through insulating supporting column is sequentially connected in series in target battery and external charging electricity
In the charge circuit in source.
6. the protective device of anti-over-charging of battery according to claim 1, it is characterised in that: further include being fixed at target electricity
The annular projection of Chi Ketiwaicebi;One end of the detection drive rod is provided with the clamping button being connected on annular projection;Institute
The one end for stating conductive slide plate is provided with cylindrical projection, the other end of the detection drive rod be provided be coated at cylindrical projection and with
The conformal matched annular buckle of cylindrical projection.
7. the protective device of anti-over-charging of battery according to claim 5, it is characterised in that: the conduction slide bar passes through insulation branch
Any end of dagger is provided with the slide bar binding post for being serially connected in the charge circuit of target battery and external charging power supply;It is described to lead
Electric coil is provided with far from one end of insulated coil is serially connected in target battery and the coil of the charge circuit of external charging power supply connects
Terminal.
8. the protective device of anti-over-charging of battery according to claim 1, it is characterised in that: the conductive coil is metal wire
Circle;
The insulated coil is ceramic coil.
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CN201811111755.3A CN109273784B (en) | 2018-09-24 | 2018-09-24 | Protection device for preventing battery from overcharging |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110299574A (en) * | 2019-05-21 | 2019-10-01 | 重庆交通大学 | Overcharging protector of battery |
CN112582699A (en) * | 2021-01-14 | 2021-03-30 | 广州鸣琴科技有限公司 | Storage battery installation equipment capable of preventing overcharge and discharge |
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CN102035186A (en) * | 2009-10-01 | 2011-04-27 | 三星Sdi株式会社 | Current interrupting device and secondary battery including current interrupting device |
CN203644897U (en) * | 2013-12-09 | 2014-06-11 | 浙江超威创元实业有限公司 | Triggering-type battery over-charge alarming system |
CN206619666U (en) * | 2017-03-13 | 2017-11-07 | 珠海立翔科技有限公司 | A kind of battery discharging adjusting means |
CN207572502U (en) * | 2017-12-27 | 2018-07-03 | 东莞市必扬新能源科技有限公司 | A kind of modern high security energy environmental protection polymer lithium battery |
CN207834474U (en) * | 2018-01-12 | 2018-09-07 | 东莞市劲鹿电池科技有限公司 | A kind of lithium battery with protection structure |
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CN110299574B (en) * | 2019-05-21 | 2021-11-12 | 重庆交通大学 | Battery overcharge protection device |
CN112582699A (en) * | 2021-01-14 | 2021-03-30 | 广州鸣琴科技有限公司 | Storage battery installation equipment capable of preventing overcharge and discharge |
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Effective date of registration: 20230410 Address after: 430000, 1st Floor, Workshop 4, Wuhan Yiheng Heavy Industry Co., Ltd., Yangguang Avenue, Jiangxia District, Wuhan City, Hubei Province (Declaration Commitment Registration) Patentee after: China Energy Construction Energy Storage Technology (Wuhan) Co.,Ltd. Address before: 402247 No. 1 Fuxing Road, Shuang Fu New District, Jiangjin District, Chongqing. Patentee before: CHONGQING JIAOTONG University |