CN205489485U - Solar charging power with control by temperature change, short circuit and overcharge protection - Google Patents
Solar charging power with control by temperature change, short circuit and overcharge protection Download PDFInfo
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- CN205489485U CN205489485U CN201620160398.XU CN201620160398U CN205489485U CN 205489485 U CN205489485 U CN 205489485U CN 201620160398 U CN201620160398 U CN 201620160398U CN 205489485 U CN205489485 U CN 205489485U
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Abstract
The utility model discloses a solar charging power with control by temperature change, short circuit and overcharge protection, including solar cell charge interface, anti -overcharging and prevent short -circuit protection circuit, hot protector and lithium ion battery, solar cell charges the interface with anti -overcharging and prevent that short -circuit protection circuit is connected, anti -overcharging and prevent that short -circuit protection circuit leads to the overheat protection ware and is connected to lithium ion battery, hot protector sets up on lithium ion battery. The utility model discloses a linkage heat protector and protection circuit have been realized not charging to there being the safety of filling and not having short -circuit protection lithium ion battery on the market, have effectively eliminated owing to the potential safety hazard that solar cell voltage unstability caused, prevent the battery explosion, simultaneously, adopt the simple construct to realize the automatic suggestion to filling the electrical works state, using -way simple and practical. The utility model relates to a but solar charging power with control by temperature change, short circuit and overcharge protection wide application in solar cell field.
Description
Technical field
This utility model relates to area of solar cell, a kind of solar recharging power supply having temperature control, short circuit and overcharging protection.
Background technology
Lithium ion battery is widely used in the market, such as, be all to use this battery at some chargeable flashlight, portable power sources etc., and the lithium ion battery wherein used is generally without overcharging and without short-circuit protection.For preventing charging from overcharging, the charging voltage that these batteries use is 4.2V.
Solar energy is widely used now; but utilizing solaode to find during without overcharging and being charged without the lithium ion battery of short-circuit protection; the quantity of illumination being subject in real time to it due to the voltage of solaode is relevant; therefore its output cannot be able to be stablized at 4.2V in the widest range; consequently, it is possible to without overcharging and lithium ion battery without short-circuit protection causes damage, be especially likely to be due to long high-voltage charge and cause dangerous situation to occur.
Although the solar charger having the protection circuit of anti-overcharge, cut functional chip at present can prevent overcharging and short circuit of battery to a certain extent; but owing to solar charger easily makes charging voltage unstable in the case of intensity of illumination instability; easily cause temperature overheating during battery charging even to explode, have great potential safety hazard.
Utility model content
In order to solve above-mentioned technical problem, the purpose of this utility model is: a kind of solar recharging power supply having temperature control, short circuit and overcharging protection.
This utility model be the technical scheme is that a kind of solar recharging power supply having temperature control, short circuit and overcharging protection; include rechargeable solar battery interface, anti-overcharge and anti-short-circuit protection circuit, thermal protector and lithium ion battery; described rechargeable solar battery interface is connected with anti-overcharge and anti-short-circuit protection circuit; described anti-overcharge and anti-short-circuit protection circuit is connected to lithium ion battery by thermal protector, and described thermal protector is arranged on lithium ion battery surface.
Further, it is also associated with circuit indicating module between described rechargeable solar battery interface and anti-overcharge and anti-short-circuit protection circuit.
nullFurther，Described circuit indicating module includes diode、First resistance、Second resistance、Variable resistance、Voltage comparator and the first light emitting diode，The positive pole of described rechargeable solar battery interface is respectively connecting to the anode of diode、One end of first resistance、The positive supply input of voltage comparator and the anode of the first light emitting diode，The negative electrode of described diode is respectively connecting to variable-resistance one end and the positive input terminal of anti-overcharge and anti-short-circuit protection circuit，The other end of described first resistance is respectively connecting to negative input end and one end of the second resistance of voltage comparator，The positive input terminal of described voltage comparator is connected with variable-resistance convertible tip，The outfan of described voltage comparator and the negative electrode of the first light emitting diode connect，The negative pole of described rechargeable solar battery interface is respectively connecting to the negative supply input of voltage comparator、The other end of the second resistance、The variable-resistance other end and the negative input end of anti-overcharge and anti-short-circuit protection circuit.
Further, described circuit indicating module also includes the second light emitting diode and the 4th resistance, the positive pole of described rechargeable solar battery interface is additionally coupled to the anode of the second light emitting diode, and the negative electrode of described second light emitting diode is connected to the negative pole of rechargeable solar battery interface by the 4th resistance.
Further, described first light emitting diode and the second light emitting diode use the light emitting diode of different colours.
Further, described thermal protector is bimetallic strip temperature switch.
Further, the specified break-off signal of described bimetallic strip temperature switch is 60 DEG C.
The beneficial effects of the utility model are: this utility model is by combining thermal protector and anti-overcharge and anti-short-circuit protection circuit; achieve on the market without overcharging and without the safe charging of short-circuit protection lithium ion battery; effectively eliminate owing to solar array voltage instability causes the too high potential safety hazard brought of battery temperature, prevent battery explosion；Meanwhile, using simple structure to achieve the automatic prompting to charger operation state, occupation mode is simple and practical.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model；
Fig. 2 is particular circuit configurations figure during this utility model embodiment connection rechargeable solar battery.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further:
With reference to Fig. 1; a kind of solar recharging power supply that there is temperature control, short circuit and overcharge protection; include rechargeable solar battery interface, anti-overcharge and anti-short-circuit protection circuit, thermal protector and lithium ion battery; described rechargeable solar battery interface is connected with anti-overcharge and anti-short-circuit protection circuit; described anti-overcharge and anti-short-circuit protection circuit is connected to lithium ion battery by thermal protector, and described thermal protector is arranged on lithium ion battery surface.
Become with the surface configuration of lithium ion battery on described thermal protector and the shape of battery laminating, for being fully contacted with lithium ion battery surface.
It is further used as preferred embodiment, between described rechargeable solar battery interface and anti-overcharge and anti-short-circuit protection circuit, is also associated with circuit indicating module.
nullWith reference to Fig. 2，It is further used as preferred embodiment，Described circuit indicating module includes diode D1、First resistance R1、Second resistance R2、Variable resistance R3、Voltage comparator ic and the first light emitting diode D3，The positive pole of described rechargeable solar battery interface is respectively connecting to the anode of diode D1、One end of first resistance R1、The positive supply input of voltage comparator ic and the anode of the first light emitting diode D3，The negative electrode of described diode D1 is respectively connecting to one end and the positive input terminal of anti-overcharge and anti-short-circuit protection circuit of variable resistance R3，The other end of described first resistance R1 is respectively connecting to negative input end and one end of the second resistance R2 of voltage comparator ic，The positive input terminal of described voltage comparator ic is connected with the convertible tip of variable resistance R3，The outfan of described voltage comparator ic and the negative electrode of the first light emitting diode D3 connect，The negative pole of described rechargeable solar battery interface is respectively connecting to the negative supply input of voltage comparator ic、The other end of the second resistance R2、The other end of variable resistance R3 and the negative input end of anti-overcharge and anti-short-circuit protection circuit.
In this embodiment, when solar array voltage output reaches certain value, by D1, lithium ion battery will be charged, owing to there being electric current to pass through, the pressure drop of a direct current can be produced at the two ends of D1, now the negative input end magnitude of voltage of voltage comparator is more than the positive input terminal voltage of voltage comparator, and voltage comparator is output as low level, and light emitting diode D3 lights；When lithium ion battery is fully charged; the most now why the output voltage of solaode is worth; anti-overcharge and anti-short-circuit protection circuit can start; automatically cut off charge power supply, lithium ion battery is protected, and D1 diode is not owing to having electric current to flow through simultaneously, and its both end voltage is identical; there is no pressure drop; the negative input end magnitude of voltage of voltage comparator is less than the positive input terminal voltage of voltage comparator, and voltage comparator output high level, light emitting diode D3 does not works.
With reference to Fig. 2, it is further used as preferred embodiment, described circuit indicating module also includes the second light emitting diode D2 and the 4th resistance R4, the positive pole of described rechargeable solar battery interface is additionally coupled to the anode of the second light emitting diode D2, and the negative electrode of described second light emitting diode D2 is connected to the negative pole of rechargeable solar battery interface by the 4th resistance R4；Export when solaode is produced voltage by illumination, then the second light emitting diode D2 is lit and plays suggesting effect.
Being further used as preferred embodiment, described first light emitting diode D1 and the second light emitting diode D2 uses the light emitting diode of different colours.
Being further used as preferred embodiment, described thermal protector is bimetallic strip temperature switch.
Being further used as preferred embodiment, the specified break-off signal of described bimetallic strip temperature switch is 60 DEG C.
Bimetallic strip temperature switch is that the two kinds of alloys using thermal coefficient of expansion different combine on two sides respectively, then by the aluminium lid surface transition temperature of temperature switch, bimetal leaf is converted into mechanical motion variations in temperature after being heated, when i.e. temperature is increased to design temperature, the instantaneous upset in bimetal leaf center, temperature sets back again after reducing and puts, the Guan Bi controlling switch with this and disconnection.
When specified break-off signal is less than 60 DEG C, easily causes temperature switch and disconnect too early, the normal charging of impact；When specified break-off signal is more than 100 DEG C, safety coefficient is relatively low, and potential danger is big.Therefore, the specified break-off signal range of choice of described bimetallic strip temperature switch is 60-100 DEG C.
Rechargeable solar battery interface and circuit indicating module, anti-overcharge and anti-short-circuit protection circuit also can be made integrated setting by this utility model, reduce device volume, more convenient carry.
It is above preferable enforcement of the present utility model is illustrated, but this utility model is created and is not limited to described embodiment, those of ordinary skill in the art can also make all equivalents or replacement on the premise of this utility model spirit, and deformation or the replacement of these equivalents are all contained in the application claim limited range.
Claims (7)
1. one kind has temperature control, short circuit and overcharges the solar recharging power supply of protection; it is characterized in that: include rechargeable solar battery interface, anti-overcharge and anti-short-circuit protection circuit, thermal protector and lithium ion battery; described rechargeable solar battery interface is connected with anti-overcharge and anti-short-circuit protection circuit; described anti-overcharge and anti-short-circuit protection circuit is connected to lithium ion battery by thermal protector, and described thermal protector is arranged on lithium ion battery surface.
A kind of solar recharging power supply that there is temperature control, short circuit and overcharge protection the most according to claim 1, it is characterised in that: it is also associated with circuit indicating module between described rechargeable solar battery interface and anti-overcharge and anti-short-circuit protection circuit.
nullOne the most according to claim 2 has temperature control、Short circuit and the solar recharging power supply overcharging protection，It is characterized in that: described circuit indicating module includes diode (D1)、First resistance (R1)、Second resistance (R2)、Variable resistance (R3)、Voltage comparator (IC) and the first light emitting diode (D3)，The positive pole of described rechargeable solar battery interface is respectively connecting to the anode of diode (D1)、One end of first resistance (R1)、The positive supply input of voltage comparator (IC) and the anode of the first light emitting diode (D3)，The negative electrode of described diode (D1) is respectively connecting to one end and the positive input terminal of anti-overcharge and anti-short-circuit protection circuit of variable resistance (R3)，The other end of described first resistance (R1) is respectively connecting to negative input end and one end of the second resistance (R2) of voltage comparator (IC)，The positive input terminal of described voltage comparator (IC) is connected with the convertible tip of variable resistance (R3)，The outfan of described voltage comparator (IC) and the negative electrode of the first light emitting diode (D3) connect，The negative pole of described rechargeable solar battery interface is respectively connecting to the negative supply input of voltage comparator (IC)、The other end of the second resistance (R2)、The other end of variable resistance (R3) and the negative input end of anti-overcharge and anti-short-circuit protection circuit.
A kind of solar recharging power supply that there is temperature control, short circuit and overcharge protection the most according to claim 3; it is characterized in that: described circuit indicating module also includes the second light emitting diode (D2) and the 4th resistance (R4); the positive pole of described rechargeable solar battery interface is additionally coupled to the anode of the second light emitting diode (D2), and the negative electrode of described second light emitting diode (D2) is connected to the negative pole of rechargeable solar battery interface by the 4th resistance (R4).
A kind of solar recharging power supply that there is temperature control, short circuit and overcharge protection the most according to claim 4, it is characterised in that: described first light emitting diode (D1) and the second light emitting diode (D2) use the light emitting diode of different colours.
A kind of solar recharging power supply that there is temperature control, short circuit and overcharge protection the most according to claim 1, it is characterised in that: described thermal protector is bimetallic strip temperature switch.
A kind of solar recharging power supply that there is temperature control, short circuit and overcharge protection the most according to claim 6, it is characterised in that: the specified break-off signal of described bimetallic strip temperature switch is 60 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620160398.XU CN205489485U (en) | 2016-03-02 | 2016-03-02 | Solar charging power with control by temperature change, short circuit and overcharge protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620160398.XU CN205489485U (en) | 2016-03-02 | 2016-03-02 | Solar charging power with control by temperature change, short circuit and overcharge protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205489485U true CN205489485U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620160398.XU Expired - Fee Related CN205489485U (en) | 2016-03-02 | 2016-03-02 | Solar charging power with control by temperature change, short circuit and overcharge protection |
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| CN (1) | CN205489485U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106200365A (en) * | 2016-09-19 | 2016-12-07 | 广东小天才科技有限公司 | A kind of intelligent watch and intelligent watch control method |
| CN107492866A (en) * | 2017-07-27 | 2017-12-19 | 深圳硕日新能源科技有限公司 | A kind of short circuit protection system of controller for solar |
| CN111614138A (en) * | 2020-05-25 | 2020-09-01 | 维沃移动通信有限公司 | Interface protection circuit and electronic equipment |
-
2016
- 2016-03-02 CN CN201620160398.XU patent/CN205489485U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106200365A (en) * | 2016-09-19 | 2016-12-07 | 广东小天才科技有限公司 | A kind of intelligent watch and intelligent watch control method |
| CN107492866A (en) * | 2017-07-27 | 2017-12-19 | 深圳硕日新能源科技有限公司 | A kind of short circuit protection system of controller for solar |
| CN107492866B (en) * | 2017-07-27 | 2019-06-25 | 深圳硕日新能源科技有限公司 | A kind of short circuit protection system of solar controller |
| CN111614138A (en) * | 2020-05-25 | 2020-09-01 | 维沃移动通信有限公司 | Interface protection circuit and electronic equipment |
| CN111614138B (en) * | 2020-05-25 | 2022-02-25 | 维沃移动通信有限公司 | Interface protection circuit and electronic equipment |
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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 |
Granted publication date: 20160817 Termination date: 20170302 |
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| CF01 | Termination of patent right due to non-payment of annual fee |