CN203119560U - Lithium ion battery low-temperature charging device - Google Patents
Lithium ion battery low-temperature charging device Download PDFInfo
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- CN203119560U CN203119560U CN 201320123268 CN201320123268U CN203119560U CN 203119560 U CN203119560 U CN 203119560U CN 201320123268 CN201320123268 CN 201320123268 CN 201320123268 U CN201320123268 U CN 201320123268U CN 203119560 U CN203119560 U CN 203119560U
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Abstract
The utility model discloses a lithium ion battery low-temperature charging device which comprises a charging device body, a charging cavity reserved on the charging device body, and an anode-cathode charge port arranged in the charge cavity. The lithium ion battery low-temperature charging device further comprises a seal cover, an electric heating block and a temperature control device. The seal cover is disposed above the charge cavity to isolate the charge cavity from outside atmospheric environment. The electric heating block disposed in the charge cavity is electrically connected with the temperature control device and heats up the charge cavity under control of the temperature control device. A battery to be charged is enclosed in the charge cavity by the seal cover, the inner temperature of the charge cavity is regulated in the optimal charge temperature range through the temperature control device and the electric heating block, and accordingly the effect of low-temperature charging on the lifetime of the lithium ion battery is avoided effectively and the lifetime of the lithium ion battery in the low-temperature environment is prolonged while safety is higher. The lithium ion battery low-temperature charging device also has the advantage of convenience in operation and use.
Description
Technical field
The utility model relates to lithium ion battery low temperature charging technique, and in particular, the utility model relates to a kind ofly can improve the battery lithium ion battery low temperature charging device in useful life.
Background technology
Along with the development of social modernization, various mobile devices, for example smart mobile phone, notebook computer, panel computer, digital camera etc. enter people's life more and more widely, and these equipment are also more and more higher to the demand of battery.Compare with batteries such as Ni-MH, Ni-Cd, therefore advantages such as lithium ion battery has operating voltage height, energy density height, power height, has extended cycle life, the self discharge coefficient is little, the adaptive temperature scope is wide, environmental protection are widely used in field of mobile equipment.But, because the migration rate of lithium ion under low temperature environment is less, in addition electrolyte at low temperatures viscosity can rise a lot even can solidify, therefore under low temperature environment, can be easy to cause analysing lithium with big multiplying power to lithium ion cell charging, so that influence the useful life of battery, even may analyse lithium generation safety problem owing to the low temperature charging.
At present, in the use field of lithium ion battery, only in the high-end devices of some more complicated power-supply management systems of employing (BMS) such as notebook computer, just can under different temperature, adjust the charging current size, analyse lithium thereby avoid taking place the low temperature charging; And do not have in the electronic equipment of BMS at mobile phone, digital camera etc., no matter under which kind of ambient temperature, all be to use identical multiplying power that battery is charged, obviously, less than 10 ℃ even under less than 0 ℃ ambient temperature, also use with normal temperature under the charging of identical multiplying power, lithium ion battery can be easy to produce analyses lithium and influence and reduce useful life and security performance.
In order to solve lithium ion battery low temperature charging problem, industry has proposed the scheme of various raising battery ambient temperatures, for example, improve the charging temperature of battery by the battery pack self-heating apparatus, or improve the temperature of rechargeable battery by external power supply and the electrothermal film that is attached to electric wicking surface.But all there is certain defective in such scheme: 1, heat the energy that needs consuming cells itself certainly, this can influence the useful life of battery equally; Can not damage battery though 2, be fixed in the electrothermal film of battery surface, but the operation that electrothermal film is evenly coated entire cell is very loaded down with trivial details, more be applicable to being fixed on the battery heating in the operative installations, and for the charging of smart mobile phone used in everyday, this class battery of digital camera, using this mode of heating to operate can be very inconvenient.
In view of this, necessaryly provide a kind of and can improve battery useful life and lithium ion battery low temperature charging device easy to use.
The utility model content
The purpose of this utility model is: provide a kind of and can improve battery useful life and lithium ion battery low temperature charging device easy to use.
In order to realize above-mentioned utility model purpose, the utility model provides a kind of lithium ion battery low temperature charging device, it comprises the charging device main body, be opened in the charging chamber on the charging device main body and be located at both positive and negative polarity charging port in the charging chamber, also comprises seal cover, electric heating piece and temperature control equipment; Seal cover is located at the top in charging chamber and chamber and the atmosphere outside isolation of will charge; The electric heating piece places in the charging chamber, and it is electrically connected with temperature control equipment, and under the control of temperature control equipment is heated up in the charging chamber.
A kind of improvement as the utility model lithium ion battery low temperature charging device, also comprise the temperature-detecting device that is electrically connected with temperature control equipment, temperature-detecting device is installed in the charging chamber, and it carries out temperature detection and testing result is fed back to temperature control equipment the charging chamber.
A kind of improvement as the utility model lithium ion battery low temperature charging device, also comprise the battery charge controller that is electrically connected respectively with temperature-detecting device and both positive and negative polarity charging port, battery charge controller is according to the feedback of temperature-detecting device, and control both positive and negative polarity charging port is treated rechargeable battery and charged.
A kind of improvement as the utility model lithium ion battery low temperature charging device also comprises the electric power connection line that is electrically connected respectively with temperature control equipment and battery charge controller.
As a kind of improvement of the utility model lithium ion battery low temperature charging device, described electric heating piece is contained in the groove of offering bottom, charging chamber, and the upper surface of electric heating piece is concordant with the charging chamber diapire of placing battery to be charged.
As a kind of improvement of the utility model lithium ion battery low temperature charging device, the position of described electric heating piece in the charging chamber can not contact it with the battery to be charged that fixes.
As a kind of improvement of the utility model lithium ion battery low temperature charging device, described electric heating piece is a kind of in resistance heating piece, ceramic electric heating piece, the silica-gel electrothermic piece.
As a kind of improvement of the utility model lithium ion battery low temperature charging device, at least one port in the described both positive and negative polarity charging port is the adjustable active port in position.
As a kind of improvement of the utility model lithium ion battery low temperature charging device, also comprise be installed in the charging chamber, and the elastic fixing device that is oppositely arranged of both positive and negative polarity charging port, elastic fixing device comprises holder and length-adjustable elastomer.
As a kind of improvement of the utility model lithium ion battery low temperature charging device, described seal cover is the individual layer lid that adopts heat-insulating material to make, or the Double layer lid of middle filling heat insulator.
Compared with prior art, the utility model lithium ion battery low temperature charging device is closed in battery to be charged in the charging chamber by seal cover, recycling temperature control equipment and electric heating piece will charge adjustment in the chamber to preferable charging temperature scope, therefore can effectively avoid low temperature to charge to the influence in lithium ion battery life-span, improve useful life and the security performance of lithium ion battery under low temperature environment; Has simultaneously easy to operate, wieldy advantage again.
Description of drawings
Below in conjunction with the drawings and specific embodiments, the utility model lithium ion battery low temperature charging device and beneficial effect thereof are elaborated, wherein:
Fig. 1 is the Facad structure schematic diagram of the utility model lithium ion battery low temperature charging device.
Fig. 2 is the side structure schematic diagram of the utility model lithium ion battery low temperature charging device.
Embodiment
In order to make goal of the invention of the present utility model, technical scheme and useful technique effect thereof more clear, below in conjunction with the drawings and specific embodiments, the utility model is further elaborated.Should be understood that the embodiment of describing in this specification only is in order to explain the utility model, is not in order to limit the utility model.
See also Fig. 1 and Fig. 2, the utility model lithium ion battery low temperature charging device comprises charging device main body 1, electric power connection line 11, charging chamber 6, both positive and negative polarity charging port 3 and elastic fixing device 7, also comprises seal cover 5, temperature-detecting device 9, electric heating piece 8, temperature control equipment 10 and battery charge controller 2.
Charging device main body 1 is the supporting construction of entire equipment, is roughly cuboid, and miscellaneous part is all installed or is opened on the charging device main body 1.
Wherein, the front end of electric power connection line 11 self-charging equipment bodies 1 stretches out, and is the approach that realizes that charging device main body 1 is connected with power supply, and it is electrically connected respectively with temperature control equipment 10 and battery charge controller 2.Charging chamber 6 is opened in the rear end of charging device main body 1, is roughly rectangle.Both positive and negative polarity charging port 3 is installed on the sidewall of charging chamber 6 front ends, and stretches out in charging chamber 6; In order to make charging device can be applicable to the different various size battery of both positive and negative polarity distance, at least one port in the both positive and negative polarity charging port 3 is the adjustable active port in position.Elastic fixing device 7 is installed in the charging chamber 6, and it is resisted against the rear wall in charging chamber 6, and relative with both positive and negative polarity charging port 3 on the position; Elastic fixing device 7 comprises holder and elastomer, elastomer is length-adjustable spring or elastic gel, therefore the battery to be charged 4 of different length can be fixed in charging chamber 6, the both positive and negative polarity that guarantees battery 4 to be charged can both closely contact with both positive and negative polarity charging port 3, thereby makes charging device be applicable to the various size battery of different size.
Seal cover 5 is located at the top in charging chamber 6, the individual layer lid that it is to use heat-insulating material (as the mineral wool composite material, receive basic heat insulation felt or polyethylene foamed) to make, or the Double layer lid of middle filling heat insulator, can reduce the heat exchange between charging chamber 6 interior air and the atmosphere outside greatly.Temperature-detecting device 9 and electric heating piece 8 all place in the charging chamber 6, temperature-detecting device 9 can accurately detect charging chamber 6(and that is to say battery 4 place environment to be charged) temperature, electric heating piece 8 is used for that heating is increased to preferable charging temperature (23～27 ℃ of normal temperature) with the temperature in the chamber 6 of will charging when low temperature.Electric heating piece 8 is a kind of in resistance heating piece, ceramic electric heating piece, the silica-gel electrothermic piece; In order to make in the charging chamber 6 everywhere temperature even relatively, avoid damaging battery 4 to be charged simultaneously, electric heating piece 8 is installed in the side place near charging chamber 6, and its position is as the criterion can guarantee can not contact with the battery to be charged 4 that fixes.In illustrated embodiment, temperature-detecting device 9 is located on the antetheca in charging chamber 6; Electric heating piece 8 is contained in the groove of offering charging 6 bottoms, chamber, because the height of the degree of depth of groove and electric heating piece 8 is suitable, can make that therefore the upper surface of electric heating piece 8 is concordant with charging chamber 6 diapires of placing battery 4 to be charged.In different execution modes, electric heating piece 8 also can be installed on the sidewall in charging chamber 6, or on the seal cover 5.
When to use the utility model lithium ion battery low temperature charging device be battery 4 chargings to be charged, the running of each element is: temperature-detecting device 9 at first carries out temperature detection to charging chamber 6, and judge whether detected temperature is lower than the cryogenic temperature value Tmin of setting, if judged result is for denying, then feed back to battery charge controller 2, treat rechargeable battery 4 by both positive and negative polarity charging port 3 and directly charge; If judged result is for being, then feed back to temperature control equipment 10, be charging chamber 6 heat temperature raisings by electric heating piece 8, when temperature-detecting device 9 detects the temperature of charging in the chamber 6 and is higher than the cryogenic temperature value Tmin of setting, feed back to battery charge controller 2 again and treat rechargeable battery 4 and charge; After the charging beginning, the temperature in 9 pairs of chargings of temperature-detecting device chamber 6 continue to monitor, and remain in 23～27 ℃ of the normal temperature temperature ranges by temperature control equipment 10 and the electric heating piece 8 chamber 6 interior temperature of will charge.Seal cover 5 can reduce the heat exchange between charging chamber 6 interior air and the atmosphere outside, and temperature cuts down the consumption of energy uniformly simultaneously in guaranteeing charging chamber 6.
In sum, the utility model lithium ion battery low temperature charging device is by seal cover 5, electric heating piece 8 and temperature control equipment 10, guarantee no matter how low the atmospheric environment temperature is, battery 4 to be charged can both charge at normal temperatures, effectively avoid low temperature to charge to the influence in lithium ion battery life-span, improved useful life and the security performance of lithium ion battery under low temperature environment; Because the both positive and negative polarity charging port 3 that contacts with battery 4 to be charged, to treat the elastic fixing device 7 that rechargeable battery 4 fixes all be mobilizable, therefore the lithium ion battery that can be used in various different models of the utility model charges, and has wide range of applications.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and modification to above-mentioned execution mode.Therefore, the embodiment that discloses and describe above the utility model is not limited to also should fall in the protection range of claim of the present utility model modifications and changes more of the present utility model.In addition, although used some specific terms in this specification, these terms do not constitute any restriction to the utility model just for convenience of description.
Claims (10)
1. lithium ion battery low temperature charging device, it comprises the charging device main body, is opened in the charging chamber on the charging device main body, and be located at the both positive and negative polarity charging port of charging in the chamber, it is characterized in that: also comprise seal cover, electric heating piece and temperature control equipment; Seal cover is located at the top in charging chamber and chamber and the atmosphere outside isolation of will charge; The electric heating piece places in the charging chamber, and it is electrically connected with temperature control equipment, and under the control of temperature control equipment is heated up in the charging chamber.
2. lithium ion battery low temperature charging device according to claim 1, it is characterized in that: also comprise the temperature-detecting device that is electrically connected with temperature control equipment, temperature-detecting device is installed in the charging chamber, and it carries out temperature detection and testing result is fed back to temperature control equipment the charging chamber.
3. lithium ion battery low temperature charging device according to claim 2, it is characterized in that: also comprise the battery charge controller that is electrically connected respectively with temperature-detecting device and both positive and negative polarity charging port, battery charge controller is according to the feedback of temperature-detecting device, and control both positive and negative polarity charging port is treated rechargeable battery and charged.
4. lithium ion battery low temperature charging device according to claim 3 is characterized in that: also comprise the electric power connection line that is electrically connected respectively with temperature control equipment and battery charge controller.
5. lithium ion battery low temperature charging device according to claim 1 is characterized in that: described electric heating piece is contained in the groove of offering bottom, charging chamber, and the upper surface of electric heating piece is concordant with the charging chamber diapire of placement battery to be charged.
6. lithium ion battery low temperature charging device according to claim 1 is characterized in that: the position of described electric heating piece in the charging chamber can not contact it with the battery to be charged that fixes.
7. lithium ion battery low temperature charging device according to claim 1 is characterized in that: described electric heating piece is a kind of in resistance heating piece, ceramic electric heating piece, the silica-gel electrothermic piece.
8. lithium ion battery low temperature charging device according to claim 1, it is characterized in that: at least one port in the described both positive and negative polarity charging port is the adjustable active port in position.
9. lithium ion battery low temperature charging device according to claim 1 is characterized in that: also comprise be installed in the charging chamber, and the elastic fixing device that is oppositely arranged of both positive and negative polarity charging port, elastic fixing device comprises holder and length-adjustable elastomer.
10. lithium ion battery low temperature charging device according to claim 1 is characterized in that: described seal cover is the individual layer lid that adopts heat-insulating material to make, or the Double layer lid of middle filling heat insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320123268 CN203119560U (en) | 2013-03-18 | 2013-03-18 | Lithium ion battery low-temperature charging device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320123268 CN203119560U (en) | 2013-03-18 | 2013-03-18 | Lithium ion battery low-temperature charging device |
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| CN203119560U true CN203119560U (en) | 2013-08-07 |
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| CN 201320123268 Expired - Lifetime CN203119560U (en) | 2013-03-18 | 2013-03-18 | Lithium ion battery low-temperature charging device |
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Cited By (9)
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| CN106100004A (en) * | 2016-04-15 | 2016-11-09 | 杭州创屹机电科技有限公司 | A kind of low-temperature resistance multifunction charging device |
| CN106130087A (en) * | 2016-04-15 | 2016-11-16 | 杭州创屹机电科技有限公司 | A kind of vehicle multifunction portable power source |
| CN106130088A (en) * | 2016-04-15 | 2016-11-16 | 杭州创屹机电科技有限公司 | A kind of Portable multifunction power |
| CN106160068A (en) * | 2016-05-17 | 2016-11-23 | 杭州创屹机电科技有限公司 | A kind of vehicle multifunction emergency power supply |
| CN106160069A (en) * | 2016-05-17 | 2016-11-23 | 杭州创屹机电科技有限公司 | A kind of Vehicular multifunctional portable power source |
| CN106410940A (en) * | 2016-11-03 | 2017-02-15 | 山东建筑大学 | Solar cell with battery low-temperature auxiliary heating function and control method of solar cell |
| CN107104489A (en) * | 2017-06-15 | 2017-08-29 | 广东欧珀移动通信有限公司 | Protective case, signal processing method suitable for mobile terminal |
| CN108365871A (en) * | 2018-02-23 | 2018-08-03 | 南京飞腾电子科技有限公司 | Carrier communication circuit based on OFDM mode modulations and its method of supplying power to |
| CN110867629A (en) * | 2018-08-28 | 2020-03-06 | 苏州宝时得电动工具有限公司 | Battery device, battery-type outdoor low-temperature equipment and outdoor working system |
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2013
- 2013-03-18 CN CN 201320123268 patent/CN203119560U/en not_active Expired - Lifetime
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| CN106130087B (en) * | 2016-04-15 | 2018-12-07 | 安徽正熹标王新能源有限公司 | A kind of vehicle multifunction mobile power source |
| CN106130087A (en) * | 2016-04-15 | 2016-11-16 | 杭州创屹机电科技有限公司 | A kind of vehicle multifunction portable power source |
| CN106130088A (en) * | 2016-04-15 | 2016-11-16 | 杭州创屹机电科技有限公司 | A kind of Portable multifunction power |
| CN109038748B (en) * | 2016-04-15 | 2021-12-28 | 深圳市贝视特科技有限公司 | Portable power supply provided with heating device |
| CN106100004A (en) * | 2016-04-15 | 2016-11-09 | 杭州创屹机电科技有限公司 | A kind of low-temperature resistance multifunction charging device |
| CN109038748A (en) * | 2016-04-15 | 2018-12-18 | 泰顺永庆电力技术有限公司 | It is provided with the portable power of heating device |
| CN106160069A (en) * | 2016-05-17 | 2016-11-23 | 杭州创屹机电科技有限公司 | A kind of Vehicular multifunctional portable power source |
| CN106160068B (en) * | 2016-05-17 | 2018-12-21 | 新昌县鼎瑞科技有限公司 | A kind of vehicle multifunction emergency power supply |
| CN106160069B (en) * | 2016-05-17 | 2018-12-21 | 新昌县鼎瑞科技有限公司 | A kind of Vehicular multifunctional mobile power source |
| CN106160068A (en) * | 2016-05-17 | 2016-11-23 | 杭州创屹机电科技有限公司 | A kind of vehicle multifunction emergency power supply |
| CN106410940A (en) * | 2016-11-03 | 2017-02-15 | 山东建筑大学 | Solar cell with battery low-temperature auxiliary heating function and control method of solar cell |
| CN106410940B (en) * | 2016-11-03 | 2019-09-10 | 山东建筑大学 | Solar battery and its control method with battery low temperature auxiliary heating function |
| CN107104489A (en) * | 2017-06-15 | 2017-08-29 | 广东欧珀移动通信有限公司 | Protective case, signal processing method suitable for mobile terminal |
| CN107104489B (en) * | 2017-06-15 | 2020-01-10 | Oppo广东移动通信有限公司 | Protective sleeve and signal processing method suitable for mobile terminal |
| CN108365871A (en) * | 2018-02-23 | 2018-08-03 | 南京飞腾电子科技有限公司 | Carrier communication circuit based on OFDM mode modulations and its method of supplying power to |
| CN110867629A (en) * | 2018-08-28 | 2020-03-06 | 苏州宝时得电动工具有限公司 | Battery device, battery-type outdoor low-temperature equipment and outdoor working system |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20130807 |
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| CX01 | Expiry of patent term |