CN210957892U - Charger control circuit - Google Patents
Charger control circuit Download PDFInfo
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- CN210957892U CN210957892U CN201922345171.9U CN201922345171U CN210957892U CN 210957892 U CN210957892 U CN 210957892U CN 201922345171 U CN201922345171 U CN 201922345171U CN 210957892 U CN210957892 U CN 210957892U
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- thermistor
- resistor
- excitation coil
- electric capacity
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Abstract
The utility model provides a charger control circuit, it is including third excitation coil, first thermistor, the fuse, fuse one end and second are anti to disturb electric capacity and connect back and outside live wire articulate, the fuse other end connects first excitation coil input after being connected with piezo-resistor one end, fifth thermistor one end and second are anti to disturb electric capacity and connect back and outside zero line articulate, the fifth thermistor other end is connected with fourth thermistor one end, the fourth thermistor other end is connected with third thermistor one end, the third thermistor other end is connected with first thermistor one end, first excitation coil input connects after first thermistor other end is connected with piezo-resistor one end. Circuit layout after this scheme of adoption is reasonable, excellent in use effect.
Description
Technical Field
The utility model belongs to the technical field of the electronic circuit technique and specifically relates to indicate a charger control circuit.
Background
Most of existing charger circuits only have one group of magnet exciting coils for voltage transformation, and the mode easily causes circuit burnout and potential safety hazard when the circuit is suddenly changed by current.
Disclosure of Invention
An object of the utility model is to overcome prior art's not enough, provide a charger control circuit that circuit layout is reasonable, excellent in use effect.
In order to achieve the above object, the present invention provides a technical solution: a charger control circuit comprises a third excitation coil, a first thermistor, a voltage dependent resistor, a second anti-interference capacitor and a fuse, wherein one end of the fuse is connected with the second anti-interference capacitor and then connected with an external live wire joint, the other end of the fuse is connected with one end of the voltage dependent resistor and then connected with the input end of the first excitation coil, one end of a fifth thermistor is connected with the second anti-interference capacitor and then connected with an external zero wire joint, the other end of the fifth thermistor is connected with one end of a fourth thermistor, the other end of the fourth thermistor is connected with one end of the third thermistor, the other end of the third thermistor is connected with one end of the first thermistor, the other end of the first thermistor is connected with one end of the voltage dependent resistor and then connected with the input end of the first excitation coil, the output end of the first excitation coil is sequentially connected with one end of a second switch capacitor, the first anti-interference capacitor and, the zero line of the output end of the first excitation coil is connected with a third switch capacitor, the other end of the first anti-interference capacitor and one end of a second brake resistor in sequence and then is connected with the input end of a third excitation coil, the live wire of the output end of the third excitation coil is connected with one end of a first resistor after being connected with a rectifier bridge, the other end of the first resistor is connected with one end of a second resistor, the other end of the second resistor is connected with output, the zero line of the output end of the third excitation coil is connected with one end of a third resistor after being connected with the rectifier bridge, the other end of the third resistor is connected with one end.
And a switch is connected between the other ends of the second switch capacitor and the third switch capacitor.
The other ends of the first brake resistor and the second brake resistor are interconnected.
By adopting the above technical scheme, the utility model, the second is anti-interference electric capacity is anti-interference when being used for the output, and the fuse is used for preventing that the electric current from assaulting too big, and excitation coil is used for the vary voltage, passes through the rectifier bridge rectification behind the vary voltage, connects the output through the output at last, and two excitation coils of this scheme adoption carry out the vary voltage, connect through magnetic switch in the middle of the while and prevent the electric current sudden change to effective protection circuit's safe in utilization, circuit layout after this scheme of adoption is reasonable, excellent in use effect.
Drawings
Fig. 1 is a schematic diagram of the circuit distribution of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings, and the preferred embodiment of the present invention is: referring to fig. 1, the charger control circuit according to this embodiment includes a third excitation coil LF3, a first thermistor TH1, a varistor MOV, a second anti-interference capacitor CX2, and a fuse F1, where one end of the fuse F1 is connected to the second anti-interference capacitor CX2 and then connected to an external live wire joint, the other end of the fuse F1 is connected to one end of the varistor MOV and then connected to an input end of the first excitation coil LF1, one end of the fifth thermistor TH5 is connected to the second anti-interference capacitor CX2 and then connected to an external neutral wire joint, the other end of the fifth thermistor TH5 is connected to one end of a fourth thermistor TH4, the other end of the fourth thermistor TH4 is connected to one end of a third thermistor TH3, the other end of the third thermistor TH3 is connected to one end of a first thermistor TH1, the other end of the first thermistor TH1 is connected to one end of the varistor MOV and then connected to an input end of the first live wire 35lf 1, and an output end of the first excitation coil 1 is sequentially connected, One ends of the first anti-interference capacitor CX1 and the first brake resistor MR1 are connected and then connected with the input end of the third excitation coil LF3, the zero line of the output end of the first excitation coil LF1 is sequentially connected with the other ends of the third switch capacitor Y3 and the first anti-interference capacitor CX1, one end of a second brake resistor MR2 is connected with the input end of a third magnet exciting coil LF3, a switch is connected between the other ends of a second switch capacitor Y2 and a third switch capacitor Y3, the other ends of the first brake resistor MR1 and the second brake resistor MR2 are interconnected, the live wire of the output end of the third magnet exciting coil LF3 is connected with one end of a first resistor R59 after being connected with a rectifier bridge BD1, the other end of the first resistor R59 is connected with one end of a second resistor R98, the other end of the second resistor R98 is connected with an output end, the zero wire of the output end of the third magnet exciting coil LF3 is connected with one end of a third resistor R102 after being connected with a rectifier bridge BD1, the other end of the third resistor R102 is connected with one end of a fourth resistor R90. The anti-interference electric capacity is prevented when being used for exporting in the second of this embodiment anti-interference, and the fuse is used for preventing that the electric current from strikeing too big, and excitation coil is used for the vary voltage, passes through the rectifier bridge rectification behind the vary voltage, connects the output through the output at last, and this scheme adopts two excitation coils to carry out the vary voltage, connects through magnetic switch in the middle of simultaneously and prevents the electric current sudden change to effective protection circuit's safety in utilization, circuit layout after adopting this embodiment is reasonable, excellent in use effect.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (3)
1. A charger control circuit comprises a third excitation coil (LF 3), a first thermistor (TH 1), a piezoresistor (MOV), a second anti-interference capacitor (CX 2) and a fuse (F1), and is characterized in that: fuse (F1) one end is connected the back with outside live wire articulate with second anti-interference electric capacity (CX 2), fuse (F1) other end is connected back with piezo-resistor (MOV) one end and is connect first excitation coil (LF 1) input, fifth thermistor (TH 5) one end is connected back with second anti-interference electric capacity (CX 2) and is connected with outside zero line articulate, fifth thermistor (TH 5) other end is connected with fourth thermistor (TH 4) one end, fourth thermistor (TH 4) other end is connected with third thermistor (TH 3) one end, third thermistor (TH 3) other end is connected with first thermistor (TH 1) one end, connect first excitation coil (LF 1) input after first thermistor (TH 1) other end is connected with piezo-resistor (MOV) one end, first excitation coil (LF 1) output live wire in proper order with second switch electric capacity (Y2), first anti-interference electric capacity (1) anti-interference electric capacity (CX 3542) connect first excitation coil (LF 1) input end in proper order, The first brake resistor (MR 1) one end is connected and then connects third excitation coil (LF 3) input end, first excitation coil (LF 1) output end zero line connects third switch electric capacity (Y3) in proper order, the other end of first anti-interference electric capacity (CX 1), second brake resistor (MR 2) one end is connected and then connects third excitation coil (LF 3) input end, third excitation coil (LF 3) output end live wire is connected with rectifier bridge (BD 1) back and is connected with first resistor (R59) one end, the first resistor (R59) other end is connected with second resistor (R98) one end, the other end of second resistor (R98) terminates the output, third excitation coil (LF 3) output end zero line is connected with rectifier bridge (BD 1) back and is connected with third resistor (R102) one end, the third resistor (R102) other end is connected with fourth resistor (R90) one end, the other output of fourth resistor (R90).
2. The charger control circuit of claim 1, wherein: and a switch is connected between the other ends of the second switched capacitor (Y2) and the third switched capacitor (Y3).
3. The charger control circuit of claim 1, wherein: the other ends of the first brake resistor (MR 1) and the second brake resistor (MR 2) are interconnected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922345171.9U CN210957892U (en) | 2019-12-24 | 2019-12-24 | Charger control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922345171.9U CN210957892U (en) | 2019-12-24 | 2019-12-24 | Charger control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210957892U true CN210957892U (en) | 2020-07-07 |
Family
ID=71381202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922345171.9U Active CN210957892U (en) | 2019-12-24 | 2019-12-24 | Charger control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210957892U (en) |
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2019
- 2019-12-24 CN CN201922345171.9U patent/CN210957892U/en active Active
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