CN203522270U - Lithium battery charger with environment temperature adaption - Google Patents
Lithium battery charger with environment temperature adaption Download PDFInfo
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- CN203522270U CN203522270U CN201320655210.5U CN201320655210U CN203522270U CN 203522270 U CN203522270 U CN 203522270U CN 201320655210 U CN201320655210 U CN 201320655210U CN 203522270 U CN203522270 U CN 203522270U
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Abstract
The utility model discloses a lithium battery charger with environment temperature adaption. The lithium battery charger comprises a main shell and a battery compartment cover. A battery compartment is arranged on the main shell. The battery compartment is internally provided with a heating element and a heat insulation layer. The bottom face of the battery compartment is corresponding to the largest face of a battery. The contact part of the inner wall of the battery compartment and the battery is provided with a heat conduction plate. According to the lithium battery charger, the automatic heating can be carried out in a low temperature condition, the charging is started when the battery temperature reaches a set charging temperature, and the charging temperature is controlled automatically. The battery heating and heat preservation can be carried out in the battery compartment, and the normal charging of the battery in the low temperature condition is ensured.
Description
Technical field
The utility model relates to a kind of charging device for lithium ion battery group, specifically a kind of can be to the adaptive lithium battery charger of ambient temperature.
Background technology
The uncovered form of the many employings of existing charger, while charging, battery is exposed, this charger is only applicable under room temperature environment to lithium ion cell charging.A large amount of uses along with lithium ion battery, in special industries such as forestry, mining industry, exploration, military affairs, the lithium battery using in electronic product often need to comparatively charge under rugged environment, and lithium ion battery usefulness when subzero is directly charged is poor, also can shorten the useful life of battery, even may cause cell expansion distortion, blast, have potential safety hazard.That is to say, existing charger is not suitable for to lithium battery, charging in low temperature environment.
Summary of the invention
The purpose of this utility model be to provide a kind of can be to the adaptive lithium battery charger of ambient temperature, overcoming normal charge device can not be the shortcoming of lithium cell charging use at low temperatures, can automatically detect battery temperature and ambient temperature, thereby the charging temperature of battery can be effectively controlled in safe and reasonable working range.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of can be to the adaptive lithium battery charger of ambient temperature, comprise main casing and battery hatch, on described main casing, be provided with battery flat, in described battery flat, be provided with heater element and heat-insulation layer, the bottom surface of described battery flat is corresponding with the largest face of battery, in inwall and the battery part contact position of described battery flat, is provided with heat-conducting plate.
The beneficial effects of the utility model are:
Under the utility model cryogenic conditions, can carry out automatically detecting heating, after battery temperature reaches setting charging temperature, start charging, and automatically control heating-up temperature; Battery hatch can heat and be incubated, and guarantees that battery still can charge normal under the condition of low temperature.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation that battery hatch is fixed on main casing bottom surface.
Fig. 3 is the circuit diagram of charging circuit of the present utility model.
In figure: 1, main casing; 2, battery hatch; 3, battery; 4, heat-conducting plate; 5, electric weight test button; 6, direct current input end interface; 7, status indicator lamp; 8, hatchcover buckle.
Embodiment
As shown in Figure 1, 2, a kind of can be to the adaptive lithium battery charger of ambient temperature, comprise main casing 1 and battery hatch 2, on described main casing 1, be provided with battery flat, in described battery flat, be provided with heater element and heat-insulation layer, the bottom surface of described battery flat is corresponding with the largest face of battery 3, in inwall and the battery part contact position of described battery flat, is provided with heat-conducting plate 4.
The heat that heat-conducting plate 4 is used for heater element to produce conducts to battery 3 surfaces, is used for, to battery 3 heating, cell body being heated evenly, and is conducive to protect battery, extends its useful life; When battery 3 temperature drift, also can play the effect of heat radiation.
The bottom surface of described battery flat is corresponding with the largest face of battery 3; if in charging process; occur extremely, cell expansion distortion, can make two largest face of battery produce projection conventionally; can't affect battery takes out from battery flat; otherwise, if the opening of battery flat is corresponding with the smallest end face of battery, once battery would expand; can make cell body be clamped in battery flat, cannot take out.
The bottom surface of described main casing 1 is provided with the draw-in groove corresponding with battery hatch 2, while charging under normal temperature or the higher condition of ambient temperature, battery hatch 2 is opened, in order to prevent the loss of battery hatch, battery hatch can be fixed on to the bottom surface of charger main casing, fixed form is identical with the mode that battery hatch is fixed on battery flat.
On described main casing 1, be provided with direct current input interface 6, electric weight test button 5 and status indicator lamp 7, can show in real time the operating state of charger and the state information of battery.
Described can be to the adaptive lithium battery charger of ambient temperature, also comprise temperature detecting module and alarm module, temperature detecting module can detect the temperature of battery, when battery temperature exceeds optimal charge temperature, charger alarm, adjusts output low current charge automatically.
Describedly can also comprise charging circuit to the adaptive lithium battery charger of ambient temperature, described charging circuit comprises:
Input antipole protective circuit, is comprised of switch MOS pipe and voltage stabilizing didoe, driving resistance, for the infringement that prevents that the power supply of both positive and negative polarity reversal connection from causing charger; After adding this circuit, when there is the access of both positive and negative polarity reversed polarity direct current power supply, it can be in cut-off state, and deenergization is connected with the circuit between charger;
Voltage stabilizing circuit, is comprised of voltage comparator TL431 and PNP pliotron, for supplying with for DC-DC circuit and MCU power supply circuits provide power supply exporting 5～7V voltage after 5～32V voltage source voltage stabilizing of input;
MCU-display circuit, the detection, control and the status display circuit that comprise charger, be used for the indicator light under the Function detection of charger, charged state control and corresponding state to show and control, and carry out the data acquisition of the electric weight demonstration control of battery, various miscellaneous functions and control and adjust according to the related data that reads battery;
DC-DC circuit, for being the battery needed 4.2V voltage source that charges by the direct current of 5～32V by this circuit conversion, and according to the charging current output of the setting use that charges the battery;
Charge switch circuit, controls access and the disconnection of battery and charging circuit, guarantees to disconnect being connected between battery and charger after charging finishes, and avoids battery overcharge;
Battery charging and communication interface, be reliably connected between the version of employing multiconductor probe and battery, for battery charging, data communication provide reliable channel;
Warming-up control circuit, according to MCU, detect and read the temperature data of battery, by MCU, provide control signal to control the break-make between heating component and power supply, control circuit while being also charger power-on self-test pre-heating system simultaneously, in heating component, be in series with the protection switch RE1 of a fixed temperature, prevent the excess temperature heating to battery when prewarming control system lost efficacy, after control circuit loses efficacy, temperature reached the temperature value of protection switch, internal switch disconnects, and the current circuit of heating component is disconnected and stops heating;
Current detection circuit, detects battery charge circuit and preheating assembly loop current, offers the judgement data that MCU regulates and controls as charging current;
Temperature detection device RT1, the temperature of detection heating of battery cavity, for MCU provides temperature data;
Powered battery commutation circuit, by P-MOS pipe and power switching the electric circuit constitute.
Using method of the present utility model and operation principle are as follows:
During use, first, press the button of battery hatch, along the battery hatch salient point direction of arrow, push away, battery hatch can be opened; Then, pull-up tail band packs battery front side into battery flat upward gently, notes the position of battery electrode; Again charger and supporting DC suppling equipment are connected; Finally cover battery hatch.
Charger detects battery and ambient temperature automatically, if ambient temperature is lower than the suitable environment temperature of lithium ion battery, charger detects battery temperature lower than 0 ℃, charger will start preheating program automatically, by the heat-conducting plate of battery flat and the heating and thermal insulation material of hatchcover, be evenly slowly heating of battery, after heating certain hour, when charger detects battery temperature and reaches setting range, stop heating, and start charging.If ambient temperature is very low, the shortage of heat that during charging, battery produces is when offsetting the affecting of environment, and heater can according to circumstances open and close automatically heater, and the charging temperature of battery is controlled in setting range all the time, charges; If ambient temperature is in lithium ion battery optimal charge temperature range when initial, the battery hatch of charger need be opened, and be fixed on the bottom of charger, charger is battery charging; If temperature is higher than lithium ion battery optimal charge temperature, battery charger carries out temperature warning, the battery hatch of charger need be opened, and charges in the bottom that is fixed on charger.During charging, charger detects ambient temperature battery temperature higher or that cause due to charging when too high, and charger is protected charge mode by start-up temperature, automatically adjusts charge parameter, and the temperature that reduces battery is to after in zone of reasonableness, then charges normal.
Claims (5)
- One kind can be to the adaptive lithium battery charger of ambient temperature, it is characterized in that: comprise main casing (1) and battery hatch (2), described main casing is provided with battery flat on (1), in described battery flat, be provided with heater element and heat-insulation layer, the bottom surface of described battery flat is corresponding with the largest face of battery (3), in inwall and the battery part contact position of described battery flat, is provided with heat-conducting plate (4); Describedly can also comprise charging circuit to the adaptive lithium battery charger of ambient temperature, described charging circuit comprises:Input antipole protective circuit, is comprised of switch MOS pipe and voltage stabilizing didoe, driving resistance, for the infringement that prevents that the power supply of both positive and negative polarity reversal connection from causing charger;Voltage stabilizing circuit, is comprised of voltage comparator TL431 and PNP pliotron, for supplying with for DC-DC circuit and MCU power supply circuits provide power supply exporting 5～7V voltage after 5～32V voltage source voltage stabilizing of input;MCU-display circuit, the detection, control and the status display circuit that comprise charger, be used for the indicator light under the Function detection of charger, charged state control and corresponding state to show and control, and carry out the data acquisition of the electric weight demonstration control of battery, various miscellaneous functions and control and adjust according to the related data that reads battery;DC-DC circuit, for being the battery needed 4.2V voltage source that charges by the direct current of 5～32V by this circuit conversion, and according to the charging current output of the setting use that charges the battery;Charge switch circuit, for controlling access and the disconnection of battery and charging circuit;Battery charging and communication interface, provide reliable channel for battery charging, data communication;Warming-up control circuit, detects and reads the temperature data of battery according to MCU, by MCU, provide control signal to control the break-make between heating component and power supply;Current detection circuit, detects battery charge circuit and preheating assembly loop current, offers the judgement data that MCU regulates and controls as charging current;Temperature detection device RT1, the temperature of detection heating of battery cavity, for MCU provides temperature data;Powered battery commutation circuit, by P-MOS pipe and power switching the electric circuit constitute.
- 2. can be to the adaptive lithium battery charger of ambient temperature according to a kind of described in claim 1, it is characterized in that: described battery hatch (2) is fastened at the battery hatch place of main casing 1 by hatchcover buckle (8), in battery hatch (2) inner side, be provided with heater element and heat-insulation layer.
- 3. according to a kind of can, to the adaptive lithium battery charger of ambient temperature, it is characterized in that described in claim 1: the bottom surface of described main casing (1) is provided with the draw-in groove corresponding with battery hatch (2).
- 4. according to a kind of can, to the adaptive lithium battery charger of ambient temperature, it is characterized in that described in claim 1: be provided with direct current input interface (6), electric weight test button (5) and status indicator lamp (7) on described main casing (1).
- 5. according to a kind of can, to the adaptive lithium battery charger of ambient temperature, it is characterized in that: also comprise temperature detecting module and alarm module described in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320655210.5U CN203522270U (en) | 2013-10-23 | 2013-10-23 | Lithium battery charger with environment temperature adaption |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320655210.5U CN203522270U (en) | 2013-10-23 | 2013-10-23 | Lithium battery charger with environment temperature adaption |
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| CN203522270U true CN203522270U (en) | 2014-04-02 |
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| CN201320655210.5U Expired - Fee Related CN203522270U (en) | 2013-10-23 | 2013-10-23 | Lithium battery charger with environment temperature adaption |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425028A (en) * | 2016-07-13 | 2017-02-22 | 苏州新逸喆电子科技有限公司 | Wireless welding machine with heating assembly |
| CN107425569A (en) * | 2017-07-31 | 2017-12-01 | 东莞市钜大电子有限公司 | A kind of wide temperature lithium battery and its method of work with heat insulation function |
| CN107672820A (en) * | 2017-11-15 | 2018-02-09 | 湖南中普技术股份有限公司 | A kind of aircraft ground service worn on the wrist terminal low-temperature working support method and system and device |
| CN108075542A (en) * | 2017-12-18 | 2018-05-25 | 浙江凯恩电池有限公司 | Lithium battery low temperature charging system and its charging method |
| CN108702017A (en) * | 2018-01-23 | 2018-10-23 | 深圳易马达科技有限公司 | A kind of method, equipment and its system of the charging of control battery |
| CN109450043A (en) * | 2018-12-19 | 2019-03-08 | 上海斡嘉电源科技有限公司 | A kind of battery charger containing heating system |
| CN113270928A (en) * | 2021-06-18 | 2021-08-17 | 新乡北方车辆仪表有限公司 | Multifunctional clamp type low-temperature charging device |
| CN114639897A (en) * | 2022-04-13 | 2022-06-17 | Oppo广东移动通信有限公司 | Heating system, heating control method, and electronic apparatus |
| CN114678580A (en) * | 2022-03-16 | 2022-06-28 | 广州明美新能源股份有限公司 | Lithium battery with linkage protection structure |
-
2013
- 2013-10-23 CN CN201320655210.5U patent/CN203522270U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425028A (en) * | 2016-07-13 | 2017-02-22 | 苏州新逸喆电子科技有限公司 | Wireless welding machine with heating assembly |
| CN106425028B (en) * | 2016-07-13 | 2019-01-22 | 苏州新逸喆电子科技有限公司 | A kind of wireless bonding machine with heat generating component |
| CN107425569A (en) * | 2017-07-31 | 2017-12-01 | 东莞市钜大电子有限公司 | A kind of wide temperature lithium battery and its method of work with heat insulation function |
| CN107672820A (en) * | 2017-11-15 | 2018-02-09 | 湖南中普技术股份有限公司 | A kind of aircraft ground service worn on the wrist terminal low-temperature working support method and system and device |
| CN108075542A (en) * | 2017-12-18 | 2018-05-25 | 浙江凯恩电池有限公司 | Lithium battery low temperature charging system and its charging method |
| CN108702017A (en) * | 2018-01-23 | 2018-10-23 | 深圳易马达科技有限公司 | A kind of method, equipment and its system of the charging of control battery |
| CN108702017B (en) * | 2018-01-23 | 2021-10-29 | 深圳易马达科技有限公司 | Method, equipment and system for controlling battery charging |
| CN109450043A (en) * | 2018-12-19 | 2019-03-08 | 上海斡嘉电源科技有限公司 | A kind of battery charger containing heating system |
| CN113270928A (en) * | 2021-06-18 | 2021-08-17 | 新乡北方车辆仪表有限公司 | Multifunctional clamp type low-temperature charging device |
| CN114678580A (en) * | 2022-03-16 | 2022-06-28 | 广州明美新能源股份有限公司 | Lithium battery with linkage protection structure |
| CN114678580B (en) * | 2022-03-16 | 2024-05-17 | 广州明美新能源股份有限公司 | Lithium battery with linkage protection architecture |
| CN114639897A (en) * | 2022-04-13 | 2022-06-17 | Oppo广东移动通信有限公司 | Heating system, heating control method, and electronic apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 050091 west side of 3 floor, 3 Jinshi Industrial Park, 368 North Xinshi Road, Shijiazhuang, Hebei. Patentee after: Hebei electronic Polytron Technologies Inc of Shang Yu Address before: 050091 B 1707, Jinshi building, 375 xinshizhong Road, Qiaoxi District, Shijiazhuang, Hebei. Patentee before: SHANGYU HEBEI ELECTRONIC SCIENCE & TECHNOLOGY CO., LTD. |
|
| 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: 20140402 Termination date: 20171023 |