CN208570829U - A kind of lithium battery overtemperature protection system - Google Patents
A kind of lithium battery overtemperature protection system Download PDFInfo
- Publication number
- CN208570829U CN208570829U CN201820963368.1U CN201820963368U CN208570829U CN 208570829 U CN208570829 U CN 208570829U CN 201820963368 U CN201820963368 U CN 201820963368U CN 208570829 U CN208570829 U CN 208570829U
- Authority
- CN
- China
- Prior art keywords
- overheating protection
- connecting rod
- shell
- lithium battery
- temperature controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 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
The utility model discloses a kind of lithium battery overtemperature protection systems, including shell, thermoacoustic photosystem, reference voltage unit, switch unit and temperature controller, interior of shell is provided with several battery cores, thermal sensitive piece is mounted at the top of each battery core, sensing line is connected between temperature controller and thermal sensitive piece, upper cover is provided with above thermal sensitive piece, housing is installed above shell, housing two sides are symmetrically arranged with sealing cover, connecting rod is arranged in casing interior, overheating protection bar is connected on the downside of connecting rod, overheating protection seat is provided with below connecting rod, clamping block is connected between overheating protection seat overheating protection bar, conducting wire is connected between temperature controller and switch unit, thermoacoustic photosystem, reference voltage unit, it is connected between switch unit and peripheral hardware by conducting wire, fuse is provided with above thermoacoustic photosystem, the utility model meeting when battery overheats Automatically circuit is disconnected, opens simultaneously heat dissipation channel, cooling battery core, long service life is suitble to promote the use of.
Description
Technical field
The utility model relates to overheat protective technology field, specially a kind of lithium battery overtemperature protection system.
Background technique
With the development of science and technology, the field of battery applications is more and more, and most of electronic product all be unable to do without battery
Power supply, such as our power supplies through all too busy to get away battery of common electronic watch, mobile phone, laptop and electric vehicle, communication is set
Standby too busy to get away power supply facilities, power supply facilities are generally moveable battery, and the battery of existing mobile communication equipment is general
For lithium battery, and lithium battery is there are some disadvantages, is exactly that battery can generate heat after powering or charging a period of time and make battery
Temperature increases, and battery can be burnt out when the battery temperature of overtemperature protection system is not excessively high, or even cause battery explosion, cause personnel
Injures and deaths, moreover, battery overheat protecting device currently used in the market is connected in three conducting wires outside battery, being unfavorable for wiring makes
With, therefore we make improvement to this, propose a kind of lithium battery overtemperature protection system.
Summary of the invention
The purpose of this utility model is to provide a kind of lithium battery overtemperature protection systems, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of lithium battery overtemperature protection system, including
Shell, thermoacoustic photosystem, reference voltage unit, switch unit, peripheral hardware and temperature controller, outer casing bottom are fixed with pedestal, in shell
Portion is provided with several battery cores, is mounted on thermal sensitive piece at the top of each battery core, is connected between temperature controller and thermal sensitive piece
Line is sensed, upper cover is provided with above thermal sensitive piece, sensing line is equipped with housing, housing two sides pair above shell inside upper cover
Title is provided with sealing cover, and sealing cover lower end is fixed with connecting rod, and connecting rod setting was connected on the downside of casing interior, connecting rod
Thermal protection bar, connecting rod lower section are provided with overheating protection seat, and overheating protection seat is fixed on tops, and overheating protection seat overheat is protected
Clamping block is connected between guard bar, temperature controller runs through housing, conducting wire, shell, thermoacoustic are connected between temperature controller and switch unit
It is connected between photosystem, reference voltage unit, switch unit and peripheral hardware by conducting wire, is provided with fusing above thermoacoustic photosystem
Device.
Preferably, heat insulating mattress is provided between pedestal and battery core, heat insulating mattress is silica gel material, can high temperature resistant, heat-insulated,
Reduce the damage to equipment.
Preferably, sealing cover is provided with heat release hole, the diameter of sealing cover upper end outer wall in inverted convex shape and two sides
Greater than the diameter of heat release hole, the diameter of connecting rod is less than the diameter of heat release hole, can be by opening heat dissipation channel, cooling battery
Body prevents battery explosion, ensure that production safety.
Preferably, overheating protection seat is internally provided with expanding block, and clamping block, the other side and overheat are close in the side of expanding block
The setting of protecting seat interval, when expanding block expanded by heating, expanding block can open clamping block and clamping block is made to be detached from overheating protection seat.
Preferably, overheating protection seat is made of heat-resisting material, and overheating protection seat, shell, upper cover, housing and expanding block are equal
It is made of insulating material, insulation heat-resisting function is realized, to protect equipment.
Preferably, connecting rod interior lower end is horizontally installed with inserting groove, cooperates between overheating protection bar upper end and inserting groove
It is connected with cutting, cutting top is fixed with a pair of of limited block, is fixed with a pair of of positive stop strip on the outside of inserting groove, can be to overheating protection bar
It is limited, so that overheating protection bar be made not depart from connecting rod.
Compared with prior art, the utility model has the beneficial effects that
1, through the expanding block of setting in expanded by heating, expanding block can open clamping block and make clamping block the utility model
It is detached from overheating protection seat, during opening clamping block, the cutting of overheating protection bar upper end and the limited block in cutting are even
The inserting groove of extension bar moves from inside to outside, and when being moved to grafting notch, the positive stop strip in connecting rod stops limited block, thus to mistake
Thermal protection bar is limited, so that overheating protection bar be made not depart from connecting rod.
2, the utility model is easy to connect on reference voltage unit, fuse and thermoacoustic photosystem are simultaneously by setting conducting wire
Connection carries out the protection of circuit using circuits bypass principle, and battery heat protection mouth disconnects, and makes battery protection more preferably faster, when molten
When interrupter opening, thermoacoustic photosystem obtains operating current sounding, has effectively saved resource, more environmentally friendly, and structure is simply easy peace
Dress uses, and cost performance is high, long service life.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model overheating protection rod structure schematic diagram；
Fig. 3 is the utility model battery protecting apparatus structural schematic diagram.
In figure: 1- sealing cover；2- connecting rod；3- upper cover；4- expansion is fast；5- shell；6- heat insulating mattress；7- heat release hole；8- cover
Shell；9- senses line；10- thermal sensitive piece；11- battery core；12- pedestal；13- fuse；14- thermoacoustic photosystem；15- benchmark electricity
Press unit；16- switch unit；17- peripheral hardware；18- conducting wire；19- temperature controller；20- limited block；21- inserting groove；22- overheating protection
Seat；23- cutting；24- positive stop strip；25- overheating protection bar；26- clamping block.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of lithium battery overtemperature protection system, including it is outer
Shell 5, thermoacoustic photosystem 14, reference voltage unit 15, switch unit 16, peripheral hardware 17 and temperature controller 19,5 bottom of shell are fixed with bottom
Seat 12, shell 5 is internally provided with several battery cores 11, is mounted on thermal sensitive piece 10, temperature controller at the top of each battery core 11
It is connected with sensing line 9 between 19 and thermal sensitive piece 10, upper cover 3 is provided with above thermal sensitive piece 10, sensing line 9 is inside upper cover 3, outside
Housing 8 is installed, 8 two sides of housing are symmetrically arranged with sealing cover 1, and 1 lower end of sealing cover is fixed with connecting rod 2, connecting rod above shell 5
2 are arranged inside housing 8, and overheating protection bar 25 is connected on the downside of connecting rod 2, overheating protection seat 22 is provided with below connecting rod 2,
Overheating protection seat 22 is fixed on 3 top of upper cover, and clamping block 26, temperature control are connected between overheating protection seat 22 and overheating protection bar 25
Device 19 runs through housing 8, and conducting wire 18, shell 5, thermoacoustic photosystem 14, benchmark electricity are connected between temperature controller 19 and switch unit 16
It is connected between pressure unit 15, switch unit 16 and peripheral hardware 17 by conducting wire 18, is provided with fuse above thermoacoustic photosystem 14
13。
Be provided with heat insulating mattress 6 between pedestal 12 and battery core 11, heat insulating mattress 6 is silica gel material, can high temperature resistant, heat-insulated,
Reduce the damage to equipment, sealing cover 1 is provided with heat release hole 7 in inverted convex shape and two sides, 1 upper end outer wall of sealing cover
Diameter is greater than the diameter of heat release hole 7, and the diameter of connecting rod 2 is less than the diameter of heat release hole 7, can be cooling by opening heat dissipation channel
Battery core 11, prevents battery explosion, ensure that production safety, and overheating protection seat 22 is internally provided with expanding block 4, expanding block 4
Side be close to clamping block 26, the other side and overheating protection seat 22 interval be arranged, when 4 expanded by heating of expanding block, expanding block 4 can
It opens clamping block 26 and clamping block 26 is made to be detached from overheating protection seat 22, overheating protection seat 22 is made of heat-resisting material, and overheat is protected
Guard housing 22, shell 5, upper cover 3, housing 8 and expanding block 4 are made of insulating material, and realize insulation heat-resisting function, so that protection is set
Standby, 2 interior lower end of connecting rod is horizontally installed with inserting groove 21, is connected between 25 upper end of overheating protection bar and inserting groove 21
Cutting 23,23 top of cutting are fixed with a pair of of limited block 20, a pair of of positive stop strip 24 are fixed on the outside of inserting groove 21, can protect to overheat
Guard bar 25 is limited, so that overheating protection bar 25 be made not depart from connecting rod 2.
Working principle: the utility model by setting thermal sensitive piece 10 battery core 11 when the temperature is excessively high, by sensing line 9
It is transferred to temperature controller 19, temperature controller 19 judges whether there is the voltage of one or more electric signal beyond predetermined model according to reference voltage
It encloses, that is, the temperature for corresponding to battery core 11 is excessively high, while output switching signal is to switch unit 16, if there is one or more telecommunications
Number voltage exceed preset range when, stop output switching signal to switch unit 16, switch unit 16 can be field-effect tube
Or triode etc., the returning between connection peripheral hardware 17 and battery core 11 when receiving and responding the switching signal of the output of temperature controller 19
Road disconnects this circuit when not receiving the switching signal, then proceedes to the voltage of detection multi-channel electric signal, and in Multi-path electricity
The voltage of signal is not above the connection after preset value between recovery peripheral hardware 17 and battery core 11.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of lithium battery overtemperature protection system, including shell (5), thermoacoustic photosystem (14), reference voltage unit (15), switch
Unit (16), peripheral hardware (17) and temperature controller (19), it is characterised in that: shell (5) bottom is fixed with pedestal (12), in shell (5)
Portion is provided with several battery cores (11), is mounted on thermal sensitive piece (10) at the top of each battery core (11), temperature controller (19) and
It is connected with sensing line (9) between thermal sensitive piece (10), is provided with upper cover (3) above thermal sensitive piece (10), sensing line (9) runs through upper cover
(3) internal, it is equipped with housing (8) above shell (5), housing (8) two sides are symmetrically arranged with sealing cover (1), sealing cover (1) lower end
It being fixed with connecting rod (2), connecting rod (2) setting is internal in housing (8), overheating protection bar (25) are connected on the downside of connecting rod (2),
It is provided with overheating protection seat (22) below connecting rod (2), overheating protection seat (22) is fixed at the top of upper cover (3), overheating protection seat
(22) it is connected between overheating protection bar (25) clamping block (26), temperature controller (19) runs through housing (8), temperature controller (19) and opens
It closes and is connected with conducting wire (18) between unit (16), shell (5), thermoacoustic photosystem (14), reference voltage unit (15), switch unit
(16) it is connected between peripheral hardware (17) by conducting wire (18), is provided with fuse (13) above thermoacoustic photosystem (14).
2. a kind of lithium battery overtemperature protection system according to claim 1, it is characterised in that: pedestal (12) and battery core
(11) it is provided between heat insulating mattress (6), heat insulating mattress (6) is silica gel material.
3. a kind of lithium battery overtemperature protection system according to claim 1, it is characterised in that: sealing cover (1) is in inverted
Convex shape and two sides are provided with heat release hole (7), and the diameter of sealing cover (1) upper end outer wall is greater than the diameter of heat release hole (7), connection
The diameter of bar (2) is less than the diameter of heat release hole (7).
4. a kind of lithium battery overtemperature protection system according to claim 1, it is characterised in that: overheating protection seat (22) is internal
It is provided with expanding block (4), the side of expanding block (4) is close to clamping block (26), the other side and overheating protection seat (22) interval and is arranged.
5. a kind of lithium battery overtemperature protection system according to claim 1, it is characterised in that: overheating protection seat (22) is by resistance to
High-temperature material is made, and overheating protection seat (22), shell (5), upper cover (3), housing (8) and expanding block (4) are by insulating materials system
At.
6. a kind of lithium battery overtemperature protection system according to claim 1, it is characterised in that: connecting rod (2) interior lower end
It is horizontally installed with inserting groove (21), cutting (23) is connected between overheating protection bar (25) upper end and inserting groove (21), insert
Item (23) top is fixed with a pair of of limited block (20), is fixed with a pair of of positive stop strip (24) on the outside of inserting groove (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820963368.1U CN208570829U (en) | 2018-06-21 | 2018-06-21 | A kind of lithium battery overtemperature protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820963368.1U CN208570829U (en) | 2018-06-21 | 2018-06-21 | A kind of lithium battery overtemperature protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208570829U true CN208570829U (en) | 2019-03-01 |
Family
ID=65487360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820963368.1U Expired - Fee Related CN208570829U (en) | 2018-06-21 | 2018-06-21 | A kind of lithium battery overtemperature protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208570829U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004294A (en) * | 2018-06-21 | 2018-12-14 | 枣庄亿新电子科技有限公司 | A kind of lithium battery overtemperature protection system |
| CN112212969A (en) * | 2020-10-10 | 2021-01-12 | 安徽江淮汽车集团股份有限公司 | Noise sensor |
-
2018
- 2018-06-21 CN CN201820963368.1U patent/CN208570829U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004294A (en) * | 2018-06-21 | 2018-12-14 | 枣庄亿新电子科技有限公司 | A kind of lithium battery overtemperature protection system |
| CN112212969A (en) * | 2020-10-10 | 2021-01-12 | 安徽江淮汽车集团股份有限公司 | Noise sensor |
| CN112212969B (en) * | 2020-10-10 | 2021-08-31 | 安徽江淮汽车集团股份有限公司 | Noise sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20210621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |