CN202839898U - Lithium battery heating device - Google Patents
Lithium battery heating device Download PDFInfo
- Publication number
- CN202839898U CN202839898U CN 201220452542 CN201220452542U CN202839898U CN 202839898 U CN202839898 U CN 202839898U CN 201220452542 CN201220452542 CN 201220452542 CN 201220452542 U CN201220452542 U CN 201220452542U CN 202839898 U CN202839898 U CN 202839898U
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- China
- Prior art keywords
- lithium battery
- bottom plate
- wire
- heating
- base plate
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- 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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- Y02E60/12—
Abstract
The utility model provides a lithium battery heating device. The lithium battery heating device comprises a bottom plate connected with a lithium battery, a cover plate fixedly arranged on the bottom plate, and a wire connected with an external power source. A plurality of containing bodies are arranged between the bottom plate and the cover plate, a heating core is fixedly installed in each containing body and composed of an insulating bush and a positive temperature coefficient (PTC) heating unit inside the insulating bush, and electrodes of each PTC heating unit are connected with the wire through leads. According to the lithium battery heating device, heating cores arranged on the bottom plate transmit heat to the bottom plate after being electrified, the bottom plate transmits the heat to a battery through heat conduction and heat radiation, and due the fact that the bottom plate is heated uniformly, uniform heating of the battery can be guaranteed effectively. Besides, the bottom plate is provided with a fuse and a temperature controller, work environment temperature of the battery can be controlled, and the heating device can be prevented from being damaged because of overlarge current.
Description
Technical field
The utility model relates to lithium battery, and a kind of lithium battery heating apparatus particularly, this heating apparatus are mainly used in guaranteeing under the low-temperature condition normal operation of lithium ion battery.
Background technology
The environment for use temperature of electrocar lithium battery is between-20～+ 55 ℃ at present, with regard to single battery core, capability retention in the time of its 0 ℃ is about 60～70%, and the capability retention in the time of-10 ℃ is about 40～55%, and the capability retention in the time of-20 ℃ is about 20～40%.
Because the ultimate-use (limiting service) temperature of lithium battery under low temperature environment can be low to moderate below-40 ℃, under such cryogenic conditions, its internal electrical chemical reaction velocity descends, thereby electric current and the voltage of battery output also can be descended, and then causing discharge capacity of the cell to decline to a great extent, such cryogenic property obviously can not satisfy the instructions for use of electrical source of power.Therefore, the operating ambient temperature of control lithium battery is most important, is the prerequisite that guarantees its normal operation.
In order to guarantee the normal use of lithium battery under low temperature environment, usually need to heat lithium battery, stable to guarantee its ambient temperature, the heating of the main dependence of at present lithium battery heating phase-change material, heating liquid, air heat and heating wire winding heating.Phase-change material can't use under severe cold condition and technical difficulty is higher, heating liquid easily leaks electricity, air heat easily brings non-uniform temperature easily to form local overheating and electric-heating-wire-heating exists temperature inequality and the relatively poor problem of fail safe.
The utility model content
For this reason, the purpose of this utility model is to provide a kind of lithium battery heating apparatus, under low temperature environment, use and need heating to solve present lithium battery, and adopt phase-change material heating, heating liquid, air heat and heating wire winding to heat that existing technical difficulty is high, fail safe is low and heat inhomogeneous problem.
The purpose of this utility model is achieved through the following technical solutions.
A kind of lithium battery heating apparatus, comprise the base plate (1) that contacts with lithium battery, the wire (3) that is fixedly mounted on the cover plate (2) on the base plate (1) and is connected with external power source, be provided with a plurality of accommodating bodies (101) between described base plate (1) and the cover plate (2), be installed with heat generating core (5) in this accommodating body (101), described heat generating core (5) is made of insulating sleeve (501) and the PTC heater (505) that is arranged in insulating sleeve (501), and the electrode (502) of PTC heater (505) is connected with wire (3) by lead-in wire (504).
Preferably, also be provided with a thermostat (6) on the described base plate (1), described heat generating core (5) is connected with wire (3) by thermostat (6).
Preferably, also be provided with a fuse (7) on the described base plate (1), described heat generating core (5) is connected with wire (3) by fuse (7).
Preferably, be provided with containing cavity (102) in the described accommodating body (101), heat generating core (5) fixed card places containing cavity (102).
Preferably, described electrode (502) is placed in the inner sleeve (503).
Preferably, described wire (3) is placed in the outer tube (4).
The utility model compared with prior art, beneficial effect is: the lithium battery heating apparatus that the utility model provides, after being arranged on the heat generating core energising on the base plate, heat is passed to base plate, base plate imports heat into battery by heat conduction and thermal radiation, because base plate thermally equivalent, can effectively guarantee being heated evenly of battery, and also be provided with fuse and thermostat on the base plate, can control the operating ambient temperature of battery, can prevent from again simultaneously causing heating apparatus to damage because electric current is excessive.
Description of drawings
Fig. 1 is the perspective view of the utility model lithium battery heating apparatus.
Fig. 2 is the internal structure schematic diagram of the utility model lithium battery heating apparatus.
Fig. 3 is the schematic cross-section of the utility model lithium battery heating apparatus.
Fig. 4 is the structural representation of the utility model lithium battery heating apparatus heat generating core.
Fig. 5 is the end view of this utility model lithium battery heating apparatus heat generating core.
Identifier declaration among the figure: base plate 1, accommodating body 101, containing cavity 102, cover plate 2, wire 3, outer tube 4, heat generating core 5, insulating sleeve 501, electrode 502, inner sleeve 503, lead-in wire 504, PTC heater 505, thermostat 6, fuse 7.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
See also shown in Figure 1ly, Fig. 1 is the perspective view of the utility model lithium battery heating apparatus.The lithium battery heating apparatus that the utility model provides, it is mainly used in solving present lithium battery and uses under low temperature environment and need heating, and adopts phase-change material heating, heating liquid, air heat and heating wire winding to heat that existing technical difficulty is high, fail safe is low and heat inhomogeneous problem.
Wherein this lithium battery heating apparatus comprises and the base plate 1 of lithium battery contact, the wire 3 that is fixedly mounted on the cover plate 2 on the base plate 1 and is connected with external power source, base plate 1 bottom contacts with the battery that needs heating, cover plate 2 is fixed on the base plate 1, form an integral body with base plate 1, wire 3 one ends are connected with external power source, one termination enters between base plate 1 and the cover plate 2, and wire 3 outer cover are equipped with outer tube 4.
Such as Fig. 2, shown in Figure 3, Fig. 2 is the internal structure schematic diagram of the utility model lithium battery heating apparatus; Fig. 3 is the schematic cross-section of the utility model lithium battery heating apparatus.Between base plate 1 and cover plate 2, be provided with a plurality of accommodating bodies 101, the present embodiment is three, also can be four or five, this accommodating body 101 forms an integral body with base plate 1, it mainly is covered with the zone line of whole base plate 1 and gets final product, to realize the even of heating region, in accommodating body 101, be provided with containing cavity 102, correspondence is equipped with heat generating core 5 in the described containing cavity 102, wherein heat generating core 5 is arranged in after the containing cavity 102, extruding accommodating body 101 left and right sides make the both sides of containing cavity 102 produce extruding to inside, thereby with heat generating core 5 fixing chuckings.
On base plate 1, also be provided with a thermostat 6 and a fuse 7, above-mentioned heat generating core 5 can be connected to external power source by thermostat 6 and wire 3, can realize that by thermostat 6 temperature that heating produces to heat generating core 5 controls, so that the temperature of its generation maintains in the claimed range, satisfy the working temperature requirement of lithium battery; Heat generating core 5 also is connected to external power source by fuse 7 and wire 3, can effectively prevent from causing heat generating core 5 to damage because of electric current when excessive by this fuse 7.
Such as Fig. 4, shown in Figure 5, Fig. 4 is the structural representation of the utility model lithium battery heating apparatus heat generating core; Fig. 5 is the end view of this utility model lithium battery heating apparatus heat generating core.Heat generating core 5 of the present utility model comprises insulating sleeve 501 and is arranged in the PTC heater 505 of insulating sleeve 501, and wherein the electrode 502 of PTC heater 505 is connected with wire 3 by lead-in wire 504, and electrode 502 is placed in the inner sleeve 503.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (6)
1. lithium battery heating apparatus, it is characterized in that comprising the base plate (1) that contacts with lithium battery, the wire (3) that is fixedly mounted on the cover plate (2) on the base plate (1) and is connected with external power source, be provided with a plurality of accommodating bodies (101) between described base plate (1) and the cover plate (2), be installed with heat generating core (5) in this accommodating body (101), described heat generating core (5) is made of insulating sleeve (501) and the PTC heater (505) that is arranged in insulating sleeve (501), and the electrode (502) of PTC heater (505) is connected with wire (3) by lead-in wire (504).
2. lithium battery heating apparatus according to claim 1 is characterized in that also being provided with on the described base plate (1) thermostat (6), and described heat generating core (5) is connected with wire (3) by thermostat (6).
3. lithium battery heating apparatus according to claim 1 is characterized in that also being provided with on the described base plate (1) fuse (7), and described heat generating core (5) is connected with wire (3) by fuse (7).
4. lithium battery heating apparatus according to claim 1 is characterized in that being provided with in the described accommodating body (101) containing cavity (102), and heat generating core (5) fixed card places containing cavity (102).
5. lithium battery heating apparatus according to claim 1 is characterized in that described electrode (502) is placed in the inner sleeve (503).
6. lithium battery heating apparatus according to claim 1 is characterized in that described wire (3) is placed in the outer tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220452542 CN202839898U (en) | 2012-09-06 | 2012-09-06 | Lithium battery heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220452542 CN202839898U (en) | 2012-09-06 | 2012-09-06 | Lithium battery heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202839898U true CN202839898U (en) | 2013-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220452542 Expired - Fee Related CN202839898U (en) | 2012-09-06 | 2012-09-06 | Lithium battery heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202839898U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487761A (en) * | 2013-09-27 | 2014-01-01 | 国家电网公司 | Temperature control testing device for lithium ion battery |
| CN105186065A (en) * | 2015-09-29 | 2015-12-23 | 深圳市赛尔盈电子有限公司 | Battery, battery module and heating management system |
| CN107196016A (en) * | 2017-05-05 | 2017-09-22 | 昆山奔泷新能源汽车电热器有限公司 | Low-speed electronic automobile batteries heating system |
-
2012
- 2012-09-06 CN CN 201220452542 patent/CN202839898U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487761A (en) * | 2013-09-27 | 2014-01-01 | 国家电网公司 | Temperature control testing device for lithium ion battery |
| CN105186065A (en) * | 2015-09-29 | 2015-12-23 | 深圳市赛尔盈电子有限公司 | Battery, battery module and heating management system |
| CN105186065B (en) * | 2015-09-29 | 2017-10-10 | 深圳市赛尔盈电子有限公司 | A kind of battery and battery modules and heating management system |
| CN107196016A (en) * | 2017-05-05 | 2017-09-22 | 昆山奔泷新能源汽车电热器有限公司 | Low-speed electronic automobile batteries heating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20170906 |