CN214255786U - Battery charger cooling fan control circuit and charger - Google Patents
Battery charger cooling fan control circuit and charger Download PDFInfo
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- CN214255786U CN214255786U CN202120330949.3U CN202120330949U CN214255786U CN 214255786 U CN214255786 U CN 214255786U CN 202120330949 U CN202120330949 U CN 202120330949U CN 214255786 U CN214255786 U CN 214255786U
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Abstract
The utility model discloses a battery charger cooling fan control circuit and charger, including charge controller, signal distribution circuit, charging circuit, charge and switch on control circuit, cooling fan and fan switch on control circuit, the charge controller output allows the signal of charging, falls into two the same signals behind the signal distribution circuit of allowwing to charge, connects the input that charges and switch on control circuit all the way, another way connection fan switch on control circuit's input, the cooling fan is connected to charge and switch on control circuit's output connection charging circuit's input, fan switch on control circuit's output. The utility model discloses a make cooling blower and battery charger receive same control signal control, realize that work of charging and fan cooling work go on in step, reach and save the electric quantity, reduce the inspiratory purpose of dust.
Description
Technical Field
The utility model relates to a lead acid battery technical field that charges, concretely relates to battery charger cooling blower control circuit and charger.
Background
In the prior art, a charger with a fan for cooling is directly combined with a cooling fan, the cooling fan is not provided with an additional control circuit, the charger with the cooling fan is used, the fan continuously works after the charger is started, and the fan is in a state of always working whether charging or not, so that the power consumption and the dust suction are increased.
SUMMERY OF THE UTILITY MODEL
The technical purpose is as follows: to the technical problem, the utility model discloses a battery charger cooling blower control circuit and charger makes cooling blower and battery charger cooperation work, and the charger charging during operation synchronous working saves the electric quantity and reduces the dust and inhales.
The technical scheme is as follows: in order to achieve the technical purpose, the utility model adopts the following technical scheme:
the utility model provides a battery charger cooling fan control circuit which characterized in that: including charge controller, signal distribution circuit, charging circuit, charge and switch on control circuit, cooling blower and fan and switch on control circuit, the signal that charges is allowed in the charge controller output, falls into two the same signals behind the signal input signal distribution circuit that allows to charge, connects the input that charges and switches on control circuit, another way and connects the input that the fan switched on control circuit all the way, charges and switches on control circuit's output and connect the cooling blower of charging circuit's input, fan switch on control circuit's output.
Specifically, the signal distribution circuit comprises a fourteenth resistor, a fifteenth resistor and a seventh diode, the fan conduction circuit comprises a conduction control circuit comprising a first triode and a twelfth resistor, wherein one end of the fourteenth resistor is connected with an output end of the charging controller, which allows a charging signal, the other end of the fourteenth resistor is connected to a base electrode of the first triode through the fifteenth resistor, a cathode of the seventh diode is connected with a common end of the fourteenth resistor and the fifteenth resistor, and an anode of the seventh diode is grounded; the common end of the fourteenth resistor and the fifteenth resistor is connected to the fan conducting circuit;
and the collector of the first triode is connected to the charging circuit through a twelfth resistor, and the emitter of the first triode is grounded.
Specifically, the fan conduction circuit comprises a direct current power supply, a fifty-fifth resistor, a fifty-sixth resistor and a ninth triode, the charging circuit comprises a battery connector for mounting a battery to be charged, wherein one end of the fifty-fifth resistor is connected with a signal connected from the common end of the fourteenth resistor and the fifteenth resistor, the other end of the fifty-fifth resistor is simultaneously connected with the base of the ninth triode and one end of the fifty-sixth resistor, the emitter of the ninth triode and the other end of the fifty-sixth resistor are both connected to the ground, the collector of the ninth triode is connected with the negative electrode of the battery connector, and the positive electrode of the battery connector is connected with the positive electrode of the direct current power supply.
A charger, characterized by: the battery charger cooling fan control circuit is included.
Has the advantages that: due to the adoption of the technical scheme, the utility model discloses following technological effect has:
compared with the prior art, the utility model, through the signal that charges that allows the control circuit that will charge, divide into two the tunnel, be used for control to charge all the way, another way is used for transmitting for fan control circuit, makes cooling blower and battery charger receive same control signal control, and work of charging and fan cooling work go on in step, saves the electric quantity to reduce the dust and inhale.
Drawings
Fig. 1 is a block diagram of a control circuit of a battery charger cooling fan according to the present invention;
fig. 2 is an electronic diagram of an embodiment of the present invention;
fig. 3 is an electronic circuit diagram of the charge control of the present invention;
wherein, the twelfth resistor-R12, the fourteenth resistor-R14, the fifteenth resistor-R15, the fifty-fifth resistor-R55 and the fifty-sixth resistor-R56; a seventh diode-D7; a first triode-Q1, a seventh diode-D7, a ninth triode-Q9; a second connector-CN 2, a third connector-CN 3.
Detailed Description
As shown in fig. 1, a battery charger cooling fan control circuit, including charge controller, signal distribution circuit, charging circuit, charge and switch on control circuit, cooling fan and switch on control circuit, charge controller output allows the signal of charging, and the signal that allows charging divides into two the same signals behind the signal distribution circuit, connects the input that charges and switches on control circuit all the way, and another way connects the input that the fan switches on control circuit, and the input that charges and switch on control circuit, the output that the fan switched on control circuit connect the cooling fan.
As shown in fig. 2 and fig. 3, the signal distribution circuit includes a fourteenth resistor R14, a fifteenth resistor R15 and a seventh diode D7, the blower conduction circuit includes a conduction control circuit including a first triode Q1 and a twelfth resistor R12, wherein one end of the fourteenth resistor R14 is connected to the output end of the charging controller, which allows the charging signal, the other end of the fourteenth resistor R15 is connected to the base of the first triode Q1, the cathode of the seventh diode is connected to the common end of the fourteenth resistor R14 and the fifteenth resistor R15, and the anode of the seventh diode is grounded; the common end of the fourteenth resistor R14 and the fifteenth resistor R15 is connected to the fan conducting circuit; the collector of the first triode Q1 is connected to the charging circuit through the twelfth resistor R12, and the emitter is grounded.
The fan conducting circuit comprises a direct current power supply (12V), a fifty-fifth resistor R55, a fifty-sixth resistor R56 and a ninth triode Q9, the charging circuit comprises a battery connector for mounting a battery to be charged, one end of the fifty-fifth resistor R55 is connected with a signal connected from the common end of the fourteenth resistor R14 and the fifteenth resistor R15, the other end of the fifty-fifth resistor R55 is simultaneously connected with the base of the ninth triode Q9 and one end of the fifty-sixth resistor R56, the emitter of the ninth triode Q9 and the other end of the fifty-sixth resistor R56 are both connected to the ground, the collector of the ninth triode Q9 is connected with the negative electrode of the battery connector, and the positive electrode of the battery connector is connected with the positive electrode of the direct current power supply.
The utility model discloses in, charge controller is used for exporting the signal of allowwing to charge, can adopt the control panel including single chip program control, exports IO by the singlechip and charges the allowwed signal, allows to charge and has exported the fan power supply simultaneously (passing through switching on of control Q9 promptly). The diode D7 can adopt a 6V voltage regulator tube, the transistor Q1 can adopt 2S8050, and the transistor Q9 can adopt 2S 8050.
The utility model discloses a battery charger cooling fan control circuit during operation, the signal of allowwing to charge control circuit is through resistance R14, R15 to triode Q1, resistance R12 realizes that the control charges, in addition all the way through R14 transmit for CN4 foot that connector P1 go the 4 feet of CN3 on the fan control circuit, pass through R55 behind the control signal is received to fan control circuit's CN 3's 4 feet, R56 control triode Q9 switches on, cooling fan passes through connector CN2 and inserts, switch on to GND for the fan power supply through +12V and Q9, the fan circular telegram is rotatory, it just can not supply power just also not to switch on the fan just not to have charged control signal Q9, the circular telegram of fan is rotatory just so has realized with the synchronization of the work of charging.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (4)
1. The utility model provides a battery charger cooling fan control circuit which characterized in that: including charge controller, signal distribution circuit, charging circuit, charge and switch on control circuit, cooling blower and fan and switch on control circuit, the signal that charges is allowed in the charge controller output, falls into two the same signals behind the signal input signal distribution circuit that allows to charge, connects the input that charges and switches on control circuit, another way and connects the input that the fan switched on control circuit all the way, charges and switches on control circuit's output and connect the cooling blower of charging circuit's input, fan switch on control circuit's output.
2. The battery charger cooling fan control circuit of claim 1, wherein: the signal distribution circuit comprises a fourteenth resistor (R14), a fifteenth resistor (R15) and a seventh diode (D7), the fan turn-on circuit comprises a turn-on control circuit comprising a first triode (Q1) and a twelfth resistor (R12), wherein one end of the fourteenth resistor (R14) is connected with the output end of the charging controller, which allows a charging signal, the other end of the fourteenth resistor is connected to the base electrode of the first triode (Q1) through the fifteenth resistor (R15), the negative electrode of the seventh diode is connected with the common end of the fourteenth resistor (R14) and the fifteenth resistor (R15), and the positive electrode of the seventh diode is grounded; the common end of the fourteenth resistor (R14) and the fifteenth resistor (R15) is connected to the fan conducting circuit;
the collector of the first triode (Q1) is connected to the charging circuit through a twelfth resistor (R12) and the emitter of the first triode is grounded.
3. The battery charger cooling fan control circuit of claim 2, wherein: the fan conducting circuit comprises a direct current power supply, a fifty-fifth resistor (R55), a fifty-sixth resistor (R56) and a ninth triode (Q9), the charging circuit comprises a battery connector for mounting a battery to be charged, one end of the fifty-fifth resistor (R55) is connected with a signal connected from the common end of the fourteenth resistor (R14) and the fifteenth resistor (R15), the other end of the fifty-fifth resistor (R55) is simultaneously connected with the base of the ninth triode (Q9) and one end of the fifty-sixth resistor (R56), the emitter of the ninth triode (Q9) and the other end of the fifty-sixth resistor (R56) are both connected with the ground, the collector of the ninth triode (Q9) is connected with the negative electrode of the battery connector, and the positive electrode of the battery connector is connected with the positive electrode of the direct current power supply.
4. A charger, characterized by: a battery charger cooling fan control circuit comprising the battery charger cooling fan control circuit of any of claims 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120330949.3U CN214255786U (en) | 2021-02-05 | 2021-02-05 | Battery charger cooling fan control circuit and charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120330949.3U CN214255786U (en) | 2021-02-05 | 2021-02-05 | Battery charger cooling fan control circuit and charger |
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| Publication Number | Publication Date |
|---|---|
| CN214255786U true CN214255786U (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120330949.3U Active CN214255786U (en) | 2021-02-05 | 2021-02-05 | Battery charger cooling fan control circuit and charger |
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| CN (1) | CN214255786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022166256A1 (en) * | 2021-02-05 | 2022-08-11 | 浙江中剑科技股份有限公司 | Battery charger cooling fan control circuit and charger |
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2021
- 2021-02-05 CN CN202120330949.3U patent/CN214255786U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022166256A1 (en) * | 2021-02-05 | 2022-08-11 | 浙江中剑科技股份有限公司 | Battery charger cooling fan control circuit and charger |
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