CN203522288U - Charger - Google Patents
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- CN203522288U CN203522288U CN201320577672.XU CN201320577672U CN203522288U CN 203522288 U CN203522288 U CN 203522288U CN 201320577672 U CN201320577672 U CN 201320577672U CN 203522288 U CN203522288 U CN 203522288U
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- heat
- electronic equipment
- charge controller
- charger
- temperature
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Abstract
The utility model provides a charger which comprises a charging controller for charging an electronic device, and a radiator arranged outside a battery of the electronic device to radiate heat for the electronic device. The radiator comprises a metallic heat-conducting plate attached to the outer shell surface of the electronic device, a semiconductor refrigeration sheet, of which a cold end is attached to the metallic heat-conducting plate, and which works under the control of the charging controller, absorbs the heat of the metallic heat-conducting plate and emits heat to the environment through a hot end, a metallic radiating fin radiating heat emitted from the hot end of the semiconductor refrigeration sheet, a fan which works under the control of the charging controller and is arranged outside the metallic radiating fin to further radiate theheat radiated by the metallic radiating fin, and a temperature sensor which is arranged on the surface of the metallic heat-conducting plate, collects the real-time temperature of the metallic heat-conducting plate and feeds the real-time temperature back to the charging controller. The charger effectively prevents over-temperature of the electronic device during charging.
Description
Technical field
The utility model relates to charging device technical field, is specially a kind of charger.
Background technology
At present increasing electronic equipment all depends on battery operated, and to electronic equipment, charging has become requisite part in our life gradually, and the charging of electronic equipment completes by charger conventionally.So-called charger is commonly referred to as a kind of equipment that alternating current is converted to low-voltage DC.Charger is of many uses in every field, particularly at sphere of life, is widely used in mobile phone, camera, panel computer etc. common electronics equipment.Charger is to adopt power electronics semiconductor device, and voltage and the changeless alternating current of frequency are transformed to galvanic a kind of static ac dc converter device.Take the electricity consumption occasion that storage battery is working power or stand-by power supply, charger is with a wide range of applications.
At present; the topic that charging safety problem has also become people to pay close attention to; because have certain fever phenomenon in the process of charger; under normal room temperature; as long as be no more than 60 degrees Celsius, belong to normal demonstration; be can not damage battery, but often can see such news, blast or on fire when the computer of so-and-so brand or mobile phone charging.This situation is very fearful, and excess Temperature when main cause is electronic equipment charging causes lithium battery blast or on fire.And current charger does not mostly possess temperature control and overcurrent protective device, this has all caused hidden danger to safety.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of charger, for solving the problem of the potential safety hazard that prior art electronic equipment brings due to heating when the charging.
For achieving the above object and other relevant objects, the utility model provides a kind of charger, and described charger comprises: one end connects power supply, and one end connecting electronic equipment is the charge controller of electronic equipment charging; Being connected with charge controller, being arranged on electric device battery outside, is the radiator of the electronic equipment dissipating heat of charging; Described radiator comprises: be affixed and connect with the surface of shell in the battery outside of electronic equipment, the metal guide hot plate that the heat that the battery of electronic equipment is produced in charging process conducts out; Be connected with described charge controller and cold junction and described metal guide hot plate are affixed and connect, according to the control of described charge controller, carry out work, absorb the heat of described metal guide hot plate conduction and the semiconductor chilling plate to environment heat release by hot junction; Be affixed even the metal fin that hot junction liberated heat is dispelled the heat with the hot junction of described semiconductor chilling plate; Be connected with described charge controller with described metal fin, according to the control of described charge controller, carry out work and be arranged on the further fan dispelling the heat of heat described metal fin being distributed described metal fin outside; Be arranged on the surface that described metal guide hot plate and semiconductor chilling plate are affixed the described metal guide hot plate connecting, for gathering the real time temperature of described metal guide hot plate and described real time temperature being fed back to the temperature sensor of described charge controller.
In charger of the present utility model, also comprise with described charge controller and being connected, for showing the display controller of real time temperature and setting safe temperature.
In charger of the present utility model, in described charge controller, be provided with overcurrent protector.
In charger of the present utility model, in described charge controller, be also provided with an electronic switch that cuts off charge circuit when real time temperature surpasses critical temperature.
In charger of the present utility model, the surface of shell shape in the surface configuration of described metal guide hot plate and the battery of electronic equipment outside matches.
In charger of the present utility model, the surface of shell that described metal guide hot plate is provided with the battery outside that appears electronic equipment is the hollow hole of barrier structure not.
In charger of the present utility model, the quantity of described radiator is at least one.
In charger of the present utility model, described electronic equipment is mobile phone, camera, panel computer or electronic reader.
As mentioned above, a kind of charger of the present utility model, has following beneficial effect:
1, the heat that the utility model produces the battery of electronic equipment by metal guide hot plate in charging process conducts out, by semiconductor chilling plate, lower the temperature, by metal fin and fan cooling, effectively reduce the charging temperature of electronic equipment, avoided electronic equipment overheated even problem of blast when charging, so the utility model solves the problem of the potential safety hazard that in prior art, electronic equipment brings due to heating when charging.
2, the utility model, by an overcurrent protector is set, is directly cut off the electricity supply when overcurrent, instantaneous short circuit while preventing from charging, the fail safe that improves charger.
3, radiator quantity of the present utility model can be adjusted arbitrarily according to electronic equipment size, and practicality and economy are very high, have use value widely.
Accompanying drawing explanation
Fig. 1 is shown as the structural representation of a kind of charger of the present utility model.
Fig. 2 is shown as the course of work schematic diagram of charger of the present utility model.
Element numbers explanation
1 charger
11 charge controllers
12 metal guide hot plates
13 semiconductor chilling plates
14 metal fins
15 fans
16 temperature sensors
2 electronic equipments
Embodiment
By specific instantiation, execution mode of the present utility model is described below, those skilled in the art can understand other advantages of the present utility model and effect easily by the disclosed content of this specification.The utility model can also be implemented or be applied by other different embodiment, and the every details in this specification also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present utility model.
The purpose of this utility model is to provide a kind of charger, for solving the problem of the potential safety hazard that prior art electronic equipment brings due to heating in when charging.The utility model is mainly in electronic equipment charging process, by semiconductor chilling plate 13, lowers the temperature, and by fin, dispels the heat, and makes charging temperature in safe range.To elaborate principle and the execution mode of a kind of charger of the present utility model below, make those skilled in the art not need creative work can understand a kind of charger of the present utility model.
Refer to Fig. 1, be shown as the structural representation of a kind of charger of the present utility model.As shown in Figure 1, described charger 1 comprises: charge controller 11, display controller and radiator; Described radiator comprises metal guide hot plate 12, semiconductor chilling plate 13, metal fin 14, fan 15 and temperature sensor 16.
Described charge controller 11 is responsible for the control of whole charger 1, comprises the input of power supply, the charging output of electronic equipment 2, and temperature detection, refrigeration control, fan 15 is controlled, electric current and temperature protection.The conventional microcontroller of the interior employing of described charge controller 11, single-chip microcomputer etc.Described charge controller 11 one end connect power supply, and one end connecting electronic equipment 2 is electronic equipment 2 chargings.In the utility model, owing to being the heating problem solving in electronic equipment 2 charging processes, so described electronic equipment 2 includes but not limited to other electronic equipment of mobile phone, camera, panel computer, electronic reader or configuration lithium battery etc.
In addition,, in the utility model, in described charge controller 11, be provided with overcurrent protector.By an overcurrent protector is set, when overcurrent, directly cut off the electricity supply, instantaneous short circuit while preventing from charging, the fail safe that improves charger 1.
The utility model disseminates away the heat in electronic equipment 2 charging processes by radiator, the problems such as the overheated damage causing while preventing electronic equipment 2 charging, blast.
Particularly, described radiator is connected with charge controller 11, is arranged on electronic equipment 2 battery outsides, is electronic equipment 2 heat radiations of charging.In the present embodiment, the quantity of described radiator is at least one.For the such portable miniaturized electronics of mobile phone 2, adopt a radiator just much of that, larger for the such battery of notebook computer, caloric value also relatively large electronic equipment 2 may need four or more radiators.Radiator quantity can be adjusted arbitrarily according to electronic equipment 2 size, thus the utility model applicable to various electronic 2, practicality and economy are very high, have use value widely.
Described metal guide hot plate 12 is affixed even with the surface of shell in the battery outside of electronic equipment 2, and the heat that the battery of electronic equipment 2 is produced in charging process conducts out.
In order to guarantee the temperature control effect of electronic equipment 2 of charging, the area that should make the lower surface (being conventionally close to battery) of electronic equipment 2 as far as possible contact with metal guide hot plate 12 is enough large.If some electronic equipment 2 lower surface on-plane surface, the surface configuration of metal guide hot plate 12 also should suitably be adjusted so, and the surface of shell shape in the surface configuration of described metal guide hot plate 12 and the battery of electronic equipment 2 outside is matched.And, if the surface of shell in the battery of electronic equipment 2 outside itself has the structure that some can not block, for example, camera, LOGO etc., just need to some hollow outs be set in the correspondence place of described metal guide hot plate 12, the surface of shell that described metal guide hot plate 12 also should be provided with the battery outside that appears electronic equipment 2 is the hollow hole of barrier structure not.
As can be seen here, described metal guide hot plate 12 contacts (normally the adjacent battery of lower surface is the warmmest) with the lower surface of electronic equipment 2, and the heat of being responsible for electronic equipment 2 to produce is passed to semiconductor chilling plate 13.
Described semiconductor chilling plate 13 is connected with described charge controller 11 and cold junction and described metal guide hot plate 12 companies of being affixed, and according to the control of described charge controller 11, carries out work, absorb the heat of described metal guide hot plate 12 conduction and by hot junction to environment heat release.
The operation principle of described semiconductor chilling plate 13 is as follows: with conductor, connect two blocks of different metals, connect direct current, a contact place temperature reduces, and another contact place temperature raises.If by reverse power connection, the temperature inverse variation at contact place.This phenomenon is called peltier effect, claims again heat-electrical effect.Heat-the electrical effect of simple metal is very little, if replace metal with a N type semiconductor and a P type semiconductor, effect is just much bigger.After switching on power, near upper contact, produce electron-hole pair, interior can reducing, temperature reduces, and to external world's heat absorption, is called cold junction.The other end is compound because of electron-hole pair, and interior energy increases, and temperature raises, and to environment heat release, is called hot junction.The temperature difference and cold that a pair of semiconductor heat electric device produces are all very little, and practical semiconductor cooler is by much thermoelectric element being formed through in parallel, tandem compound, also claiming thermoelectric pile.Single-stage thermoelectric pile can obtain the temperature difference of about 60 ℃, and cold junction temperature can reach-10～-20 ℃.Increasing thermoelectric pile progression can make the temperature difference at two ends strengthen.But progression is too much unsuitable, is generally 2～3 grades.The feature such as semiconductor cooler has noiseless, friction, do not need cold-producing medium, volume is little, lightweight, and reliable operation, easy and simple to handle, be easy to carry out cold regulation.But its coefficient of refrigerating performance is less, and electrisity consumption is relatively large, therefore that it is mainly used in consuming cold is little and take up an area the little occasion in space, cooling as some element in electronic equipment and radio communication equipment.
Described semiconductor chilling plate 13 upper surfaces (being cold junction) refrigeration, lower surface (being hot junction) heats.The cold junction of described semiconductor chilling plate 13 and metal guide hot plate 12 are affixed, and hot junction and metal fin 14 are affixed, and absorb the heat of described metal guide hot plate 12 conduction and the metal fin 14 by hot junction disseminates away heat.
As mentioned above, described metal fin 14 is affixed even with the hot junction of described semiconductor chilling plate 13, and hot junction liberated heat is dispelled the heat.The shape of described metal fin 14 can free setting, in the scope as far as possible allowing at radiator volume, increases area of dissipation, strengthens radiating effect.
Described fan 15 is connected with described charge controller 11 with described metal fin 14, according to the control of described charge controller 11, carries out work and be arranged on the heat described metal fin 14 being distributed described metal fin 14 outsides further dispelling the heat.
Described temperature sensor 16 is arranged on the surface of the described metal guide hot plate 12 of described metal guide hot plate 12 and semiconductor chilling plate 13 companies of being affixed, for gathering the real time temperature of described metal guide hot plate 12 and described real time temperature being fed back to described charge controller 11.
As previously mentioned, described semiconductor chilling plate 13 and described fan 15 all carry out work according to the control of described charge controller 11.For realizing the control to described semiconductor chilling plate 13 and described fan 15, in the utility model, also comprise a display controller being connected with described charge controller 11, described display controller is used for showing real time temperature and sets safe temperature.
Particularly, charge controller 11 gathers real time temperature data by temperature sensor 16, for controlling described semiconductor chilling plate 13 and described fan 15, when excess Temperature can carry out power-off protection.The safe temperature of setting radiator by display controller is target temperature, by judging the real time temperature of described temperature sensor 16 collections and the size of target temperature, controls described semiconductor chilling plate 13 and described fan 15.When real time temperature is less than target temperature, charge controller 11 controls described semiconductor chilling plate 13 and described fan 15 is not all worked, when real time temperature is greater than target temperature, the charge controller 11 described semiconductor chilling plates 13 of control and described fan 15 are started working, and pass through pid algorithm, adjust the rotating speed of fan 15, adjust the electric current of semiconductor chilling plate 13, within the temperature of the electronic equipment 2 of charging is controlled to safe range.When approaching being full of of battery of electronic equipment 2, charging current is very little, and the caloric value of electronic equipment 2 is also very little, reaches after heat balance, if real time temperature is lower than the safe temperature of setting, semiconductor chilling plate 13 and fan 15 just quit work.
But likely electronic equipment 2 caloric values are excessive, heat radiation not, cause real time temperature to be greater than the critical temperature of permission, now should stop as 2 chargings of this electronic equipment, disconnect charging, so in the present embodiment, be also provided with an electronic switch that cuts off charge circuit when real time temperature surpasses critical temperature in described charge controller 11.By this electronic switch, can when real time temperature surpasses the scope of critical temperature, cut off the loop to electronic equipment 2 chargings, guarantee the safety of electronic equipment 2, until real time temperature, get back to critical temperature and charge again in when following.
As shown in Figure 2, be shown as the course of work schematic diagram of charger 1 of the present utility model.Alternating current is first through overcurrent protector, and after the conventional treatment such as transformation, rectification, direct current is exported to the operation element in electronic equipment 2 chargings and charger 1.
The microcontroller of the real time temperature that temperature sensor 16 gathers in analog-to-digital conversion is imported charge controller 11 into, microcontroller shows real time temperature by display controller, and receive the safe temperature that display controller is set, microcontroller is by the size of judgement real time temperature and safe temperature, and control through pid algorithm, the two-way pwm pulse of fan 15 and semiconductor chilling plate 13 is controlled in output respectively, two-way pwm pulse outputs in fan 15 and semiconductor chilling plate 13 through corresponding drive circuit respectively, thereby realize the control of 11 pairs of fans 15 of charge controller and semiconductor chilling plate 13.In addition, microcontroller, by the size of judgement real time temperature and critical temperature, is controlled opening and disconnecting of electronic switch, realizes the control to the charging of electronic equipment 2 and power-off.
In sum, a kind of charger of the present utility model, reached following beneficial effect: the heat that the utility model produces the battery of electronic equipment by metal guide hot plate in charging process conducts out, by semiconductor chilling plate, lower the temperature, by metal fin and fan cooling, effectively reduce the charging temperature of electronic equipment, avoided electronic equipment overheated even problem of blast when charging, so the utility model solves the problem of the potential safety hazard that in prior art, electronic equipment brings due to heating when charging; The utility model, by an overcurrent protector is set, is directly cut off the electricity supply when overcurrent simultaneously, instantaneous short circuit while preventing from charging, the fail safe that improves charger; In addition, radiator quantity of the present utility model can be adjusted arbitrarily according to electronic equipment size, and practicality and economy are very high, have use value widely.So the utility model has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all can, under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under such as and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.
Claims (8)
1. a charger, is characterized in that, described charger comprises:
One end connects power supply, and one end connecting electronic equipment is the charge controller of electronic equipment charging;
Being connected with charge controller, being arranged on electric device battery outside, is the radiator of the electronic equipment dissipating heat of charging; Described radiator comprises:
Be affixed and connect with the surface of shell in the battery outside of electronic equipment, the metal guide hot plate that the heat that the battery of electronic equipment is produced in charging process conducts out;
Be connected with described charge controller and cold junction and described metal guide hot plate are affixed and connect, according to the control of described charge controller, carry out work, absorb the heat of described metal guide hot plate conduction and the semiconductor chilling plate to environment heat release by hot junction;
Be affixed even the metal fin that hot junction liberated heat is dispelled the heat with the hot junction of described semiconductor chilling plate;
Be connected with described charge controller with described metal fin, according to the control of described charge controller, carry out work and be arranged on the further fan dispelling the heat of heat described metal fin being distributed described metal fin outside;
Be arranged on the surface that described metal guide hot plate and semiconductor chilling plate are affixed the described metal guide hot plate connecting, for gathering the real time temperature of described metal guide hot plate and described real time temperature being fed back to the temperature sensor of described charge controller.
2. charger according to claim 1, is characterized in that, also comprises with described charge controller and being connected, for showing the display controller of real time temperature and setting safe temperature.
3. charger according to claim 1, is characterized in that, in described charge controller, is provided with overcurrent protector.
4. charger according to claim 1, is characterized in that, is also provided with an electronic switch that cuts off charge circuit when real time temperature surpasses critical temperature in described charge controller.
5. charger according to claim 1, is characterized in that, the surface of shell shape in the surface configuration of described metal guide hot plate and the battery of electronic equipment outside matches.
6. charger according to claim 5, is characterized in that, the surface of shell that described metal guide hot plate is provided with the battery outside that appears electronic equipment is the hollow hole of barrier structure not.
7. charger according to claim 1, is characterized in that, the quantity of described radiator is at least one.
8. charger according to claim 1, is characterized in that, described electronic equipment is mobile phone, camera, panel computer or electronic reader.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320577672.XU CN203522288U (en) | 2013-09-17 | 2013-09-17 | Charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320577672.XU CN203522288U (en) | 2013-09-17 | 2013-09-17 | Charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203522288U true CN203522288U (en) | 2014-04-02 |
Family
ID=50381163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320577672.XU Expired - Fee Related CN203522288U (en) | 2013-09-17 | 2013-09-17 | Charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203522288U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199491A (en) * | 2018-01-10 | 2018-06-22 | 上海惠芽信息技术有限公司 | A kind of charging module and the wireless charging system with the charging module |
| CN109343605A (en) * | 2018-11-07 | 2019-02-15 | 南京牧镭激光科技有限公司 | A kind of temperature control equipment and control method |
| CN110014948A (en) * | 2017-09-30 | 2019-07-16 | 比亚迪股份有限公司 | Radiator, charging system and the vehicle of charging connector |
| CN111342504A (en) * | 2018-12-18 | 2020-06-26 | 北京小米移动软件有限公司 | Wireless charger |
| CN113039873A (en) * | 2018-12-03 | 2021-06-25 | Oppo广东移动通信有限公司 | Heat dissipation device, charging equipment, electronic equipment, charging system and method thereof |
| CN115836268A (en) * | 2020-06-23 | 2023-03-21 | 高通股份有限公司 | Thermal mitigation in portable computing devices through active heat transfer to docking devices |
-
2013
- 2013-09-17 CN CN201320577672.XU patent/CN203522288U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014948A (en) * | 2017-09-30 | 2019-07-16 | 比亚迪股份有限公司 | Radiator, charging system and the vehicle of charging connector |
| CN108199491A (en) * | 2018-01-10 | 2018-06-22 | 上海惠芽信息技术有限公司 | A kind of charging module and the wireless charging system with the charging module |
| CN109343605A (en) * | 2018-11-07 | 2019-02-15 | 南京牧镭激光科技有限公司 | A kind of temperature control equipment and control method |
| CN113039873A (en) * | 2018-12-03 | 2021-06-25 | Oppo广东移动通信有限公司 | Heat dissipation device, charging equipment, electronic equipment, charging system and method thereof |
| CN113039873B (en) * | 2018-12-03 | 2023-08-11 | Oppo广东移动通信有限公司 | Heat dissipation device, charging equipment, electronic equipment, charging system and method thereof |
| CN111342504A (en) * | 2018-12-18 | 2020-06-26 | 北京小米移动软件有限公司 | Wireless charger |
| CN115836268A (en) * | 2020-06-23 | 2023-03-21 | 高通股份有限公司 | Thermal mitigation in portable computing devices through active heat transfer to docking devices |
| CN115836268B (en) * | 2020-06-23 | 2024-03-01 | 高通股份有限公司 | Thermal mitigation in a portable computing device through active heat transfer to a docking device |
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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: 20140402 Termination date: 20180917 |