CN202840559U - Portable power source - Google Patents

Portable power source Download PDF

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Publication number
CN202840559U
CN202840559U CN 201220378765 CN201220378765U CN202840559U CN 202840559 U CN202840559 U CN 202840559U CN 201220378765 CN201220378765 CN 201220378765 CN 201220378765 U CN201220378765 U CN 201220378765U CN 202840559 U CN202840559 U CN 202840559U
Authority
CN
China
Prior art keywords
circuit
power source
rechargeable battery
portable power
control circuit
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
Application number
CN 201220378765
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Chinese (zh)
Inventor
王传平
Original Assignee
王传平
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 王传平 filed Critical 王传平
Priority to CN 201220378765 priority Critical patent/CN202840559U/en
Application granted granted Critical
Publication of CN202840559U publication Critical patent/CN202840559U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a portable power source which comprises a rechargeable battery, a protective circuit, an electricity control circuit, a boosted circuit and a charge control circuit. The protective circuit and the rechargeable battery form a both-way junction. An input terminal of the protective circuit is connected with the charge control circuit. An output terminal of the protective circuit is connected with the boosted circuit. The charge control circuit and the boosted circuit are respectively connected with the electricity control circuit which is provided with a temperature sensor. The temperature sensor is close to the rechargeable battery and is used to measure the temperature of the rechargeable battery. According to the utility model, a thermistor is attached to the surface of the rechargeable battery to detect the temperature of the battery and charge-discharge of the rechargeable battery is controlled through a main control chip such that problems such as battery life decline, battery explosion and the like caused by overtemperature of the rechargeable battery are avoided and potential safety hazard is completely eradicated.

Description

Portable power source
Technical field
The utility model relates to the portable power source technical field, particularly a kind of portable power source with temperature protection function.
Background technology
Raising along with people's living standard, the application of digital product is more and more extensive, such as mobile phone, digital camera, panel computer etc., these digital products have brought a lot of convenience to people's life, but the battery of these digital products often can only continue the limited time, and people are usually with reserve battery or carry portable power source and guarantee the digital product continuous operation.Portable power source normal operation in the market be that lithium ion battery comes energy storage, and portable power source can be warm when discharging and recharging, if lithium ion battery is located under the hot environment for a long time, gently then can cause the minimizing battery, heavy then can cause battery explosion, bring very large potential safety hazard.
The utility model content
The utility model provides a kind of portable power source, can solve when battery operated in the prior art because there is the problem of potential safety hazard in excess Temperature.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of portable power source is provided, comprise rechargeable battery, protective circuit, electric weight control circuit, booster circuit and charging control circuit, described protective circuit is connected with described rechargeable battery is two-way, the input of described protective circuit connects described charging control circuit, the output of described protective circuit connects described booster circuit, and described charging control circuit and described booster circuit are connected with described electric weight control circuit respectively; Wherein, described electric weight control circuit is provided with temperature sensor, and described temperature sensor is close to described rechargeable battery, is used for measuring the temperature of described rechargeable battery.
According to the utility model one preferred embodiment, described electric weight control circuit comprises main control chip, described main control chip is provided with 16 pins, the 8th pin of wherein said main control chip links to each other with the charging input end of described charging control circuit, and the 15 pin of described main control chip links to each other with the control end of described booster circuit.
According to the utility model one preferred embodiment, an end of described temperature sensor links to each other with the 12 pin and the tenth three-prong of described main control chip respectively, other end ground connection.
According to the utility model one preferred embodiment, described temperature sensor comprises a thermistor at least.
According to the utility model one preferred embodiment, described portable power source further comprises the emergency lighting circuit, described emergency lighting circuit is provided with Light-Emitting Diode, described emergency lighting circuit the positive pole of the described rechargeable battery of a termination, the 14 pin of the described main control chip of another termination.
According to the utility model one preferred embodiment, described electric weight control circuit further comprises push-button switch, and described push-button switch is connected with the 7th pin of described main control chip, is used for controlling the break-make of described light-emitting diode.
The disclosed portable power source of the utility model, battery temperature is detected on the surface that is attached to rechargeable battery by thermistor is set, by discharging and recharging of main control chip control rechargeable battery, when thermistor detects battery temperature above set point, main control chip control charging control circuit and booster circuit so that portable power source quit work, portable power source restarts work when treating that battery temperature drops to safety value, thereby the battery of having avoided rechargeable battery to cause because of temperature overheating descends and the problem such as battery explosion, has stopped potential safety hazard.The utlity model has characteristics simple in structure, easy to use and that the temperature control accuracy is high.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing, wherein:
Fig. 1 is the principle schematic of the utility model portable power source one preferred embodiment;
Fig. 2 is the circuit diagram of the electric weight control circuit of the utility model portable power source;
Fig. 3 is the circuit diagram of the booster circuit of the utility model portable power source;
Fig. 4 is the circuit diagram of the charging control circuit of the utility model portable power source;
Fig. 5 is the circuit diagram of the protective circuit of the utility model portable power source;
Fig. 6 is the circuit diagram of the emergency lighting circuit of the utility model portable power source.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1 to Fig. 6, the utility model embodiment provides a kind of portable power source, comprise rechargeable battery 101, protective circuit 102, electric weight control circuit 103, booster circuit 104 and charging control circuit 105, protective circuit 102 and 101 two-way connections of rechargeable battery, the input of protective circuit 102 connects charging control circuit 105, the output of protective circuit 102 connects booster circuit 104, and charging control circuit 105 and booster circuit 104 are connected with electric weight control circuit 103 respectively; Wherein, electric weight control circuit 103 is provided with temperature sensor 10301, and temperature sensor 10301 is close to rechargeable battery 101, is used for measuring the temperature of rechargeable battery 101.Temperature sensor 10301 comprises a thermistor at least.
Electric weight control circuit 103 comprises main control chip U1, main control chip U1 is provided with 16 pins, wherein the 8th pin of main control chip U1 links to each other with the charging input end of charging control circuit 105, and the 15 pin of main control chip U1 links to each other with the control end of booster circuit 104.
One end of temperature sensor 10301 links to each other with the 12 pin and the tenth three-prong of main control chip U1 respectively, other end ground connection.
Portable power source further comprises emergency lighting circuit 106, and emergency lighting circuit 106 is provided with Light-Emitting Diode 10601, emergency lighting circuit 106 the positive pole of a termination rechargeable battery 101, the 14 pin of another termination main control chip U1.
Electric weight control circuit 103 further comprises push-button switch S1, and push-button switch S1 is connected with the 7th pin of main control chip U1, is used for the break-make of control light-emitting diode 10601.
In sum, those skilled in the art easily understand, the disclosed portable power source of the utility model, battery temperature is detected on the surface that is attached to rechargeable battery by thermistor is set, by discharging and recharging of main control chip control rechargeable battery, when thermistor detects battery temperature above set point, main control chip control charging control circuit and booster circuit so that portable power source quit work, portable power source restarts work when treating that battery temperature drops to safety value, thereby the battery of having avoided rechargeable battery to cause because of temperature overheating descends and the problem such as battery explosion, has stopped potential safety hazard.The utlity model has characteristics simple in structure, easy to use and that the temperature control accuracy is high.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.Here description of the present utility model and application is illustrative, is not to want with scope restriction of the present utility model in the above-described embodiments.Here the distortion of disclosed embodiment and change is possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that in the situation that do not break away from spirit of the present utility model or substantive characteristics, and the utility model can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.In the situation that do not break away from the utility model scope and spirit, can carry out other distortion and change to disclosed embodiment here.

Claims (6)

1. portable power source, it is characterized in that, comprise rechargeable battery, protective circuit, electric weight control circuit, booster circuit and charging control circuit, described protective circuit is connected with described rechargeable battery is two-way, the input of described protective circuit connects described charging control circuit, the output of described protective circuit connects described booster circuit, and described charging control circuit and described booster circuit are connected with described electric weight control circuit respectively; Wherein, described electric weight control circuit is provided with temperature sensor, and described temperature sensor is close to described rechargeable battery, is used for measuring the temperature of described rechargeable battery.
2. portable power source according to claim 1, it is characterized in that, described electric weight control circuit comprises main control chip, described main control chip is provided with 16 pins, the 8th pin of wherein said main control chip links to each other with the charging input end of described charging control circuit, and the 15 pin of described main control chip links to each other with the control end of described booster circuit.
3. portable power source according to claim 2 is characterized in that, an end of described temperature sensor links to each other with the 12 pin and the tenth three-prong of described main control chip respectively, other end ground connection.
4. portable power source according to claim 3 is characterized in that, described temperature sensor comprises a thermistor at least.
5. portable power source according to claim 1, it is characterized in that, described portable power source further comprises the emergency lighting circuit, described emergency lighting circuit is provided with Light-Emitting Diode, described emergency lighting circuit the positive pole of the described rechargeable battery of a termination, the 14 pin of the described main control chip of another termination.
6. portable power source according to claim 5 is characterized in that, described electric weight control circuit further comprises push-button switch, and described push-button switch is connected with the 7th pin of described main control chip, is used for controlling the break-make of described light-emitting diode.
CN 201220378765 2012-07-31 2012-07-31 Portable power source Expired - Fee Related CN202840559U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220378765 CN202840559U (en) 2012-07-31 2012-07-31 Portable power source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220378765 CN202840559U (en) 2012-07-31 2012-07-31 Portable power source

Publications (1)

Publication Number Publication Date
CN202840559U true CN202840559U (en) 2013-03-27

Family

ID=47952175

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220378765 Expired - Fee Related CN202840559U (en) 2012-07-31 2012-07-31 Portable power source

Country Status (1)

Country Link
CN (1) CN202840559U (en)

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130327

Termination date: 20140731

EXPY Termination of patent right or utility model