CN204928630U - Control circuit of motor - Google Patents
Control circuit of motor Download PDFInfo
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- CN204928630U CN204928630U CN201520703703.0U CN201520703703U CN204928630U CN 204928630 U CN204928630 U CN 204928630U CN 201520703703 U CN201520703703 U CN 201520703703U CN 204928630 U CN204928630 U CN 204928630U
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Abstract
The utility model relates to a circuit field, in particular to control circuit of motor. The utility model discloses a control circuit of motor, including external power source access module, voltage stabilizing circuit, main control circuit, external power source detection circuitry, charging control management circuit, battery, battery voltage detection circuitry, auto -lock switch circuit, motor -drive circuit and motor, when charging, the main control module control external power source inserts the module through external power source and charging control voltage stabilizing circuit 2 charges for the battery, during operation, the main control module control batteries pass through motor driver module for the motor power supply, makes motor work. The utility model discloses circuit structure is simple, and it is convenient, with low costs, small to make, and it is miniaturized to do benefit to equipment, and has motor protection, overvoltage protection and battery protect function, and security and reliability are high, long service life.
Description
Technical field
The utility model belongs to circuit field, relates to a kind of control circuit of motor particularly.
Background technology
In daily life, many portable sets being built-in with motor can be related to, as portable dust collector, Portable glass cleaner etc.
Wherein, the appearance of glass cleaners solves and relies on manual type to clean high-rise window outdoor glass both to expend great manpower and time, and people is also dangerous when operation, slightly do not note just producing a dangerous difficult problem, during use only need by glass cleaners by sucker suction on glass to be cleaned, work is carried out without the need to again workman being delivered to very high eminence, glass cleaners just can carry out glass cleaning by automatic operation, so not only reduce the generation of accident, also save artificial, efficiency also height very simultaneously.
But the control circuit complex structure of the motor of existing glass cleaners, cost is high, and volume is large, and be unfavorable for device miniaturization, and safety and reliability is poor, useful life is shorter.
Summary of the invention
The purpose of this utility model is as solving the problem and provides a kind of circuit structure simple, and easily manufactured, cost is low, and volume is little, is beneficial to device miniaturization, and safety and reliability is high, the control circuit of the motor of long service life.
For this reason, the utility model discloses a kind of control circuit of motor, comprise external power source access module, voltage stabilizing circuit, main control circuit, external power source testing circuit, charging control and management circuit, battery, battery voltage detection circuit, self-locking switch circuit, motor-drive circuit and motor, described external power source access module is that main control circuit is powered by voltage stabilizing circuit, be battery charging by charging control and management circuit simultaneously, the output of the input termination external power source access module of described external power source detection module, the control input end of the output termination main control circuit of described external power source detection module, the control output end of the control inputs termination main control circuit of described charging control and management circuit, the control output end of described charging control and management circuit connects the control input end of main control circuit, described battery is that main control circuit is powered by self-locking switch circuit, the control output end of the control inputs termination main control circuit of described self-locking switch circuit, the control input end of the output termination main control circuit of described battery voltage sensing module, the input termination battery of described battery voltage sensing module, described battery is series electric motor drive circuit and motor composition motor driving loop successively, the control output end of the control inputs termination main control circuit of described motor-drive circuit.
Further, described main control circuit is also connected with indicator light and buzzer module.
Further, also comprise over-voltage detection circuit, the output of the input termination external power source access module of described over-voltage detection circuit, the control input end of the output termination main control circuit of described over-voltage detection circuit.
Further, described main control module is also connected with motor protective circuit, damages for avoiding motor generation stall.
Further, described main control circuit is that the single-chip microcomputer of EM78P372N and peripheral circuit thereof form by model.
Further, described voltage stabilizing circuit is 3.5V voltage stabilizing circuit.
Further, described battery is lithium battery.
Further, described motor drive module comprises metal-oxide-semiconductor Q1, and its model is CSD17310Q5A, and the G pole of described metal-oxide-semiconductor Q1 connects the control output end of main control circuit, the S pole of described metal-oxide-semiconductor Q1 connects battery cathode, and the D pole series electric motor of described metal-oxide-semiconductor Q1 connects anode.
Further, described charging control and management circuit comprises triode Q5, metal-oxide-semiconductor Q4 and model are the chip U2 of PT6112, the base stage of described triode Q5 connects the control output end of main control circuit, the grounded emitter of described triode Q5, the collector electrode of described triode Q5 connects the grid of metal-oxide-semiconductor Q4, described metal-oxide-semiconductor Q4 source electrode connect the output of external power source access module, be connected with its grid by resistance R17 simultaneously, the drain electrode of described metal-oxide-semiconductor Q4 connects the VCC end of chip U2, the control input end of the CHG termination main control circuit of described chip U2, the positive pole of the BAT termination battery of described chip U2.
Advantageous Effects of the present utility model:
The utility model circuit structure is simple, and easily manufactured, cost is low, and volume is little, is beneficial to device miniaturization, and has electric motor protecting, overvoltage protection and battery protection function, and safety and reliability is high, long service life.
Accompanying drawing explanation
Fig. 1 is the frame principle of the utility model embodiment;
Fig. 2 is physical circuit schematic diagram of the present utility model.
Embodiment
Now with embodiment, the utility model is further illustrated by reference to the accompanying drawings.
As depicted in figs. 1 and 2, a kind of control circuit of motor, comprise external power source access module 100, voltage stabilizing circuit 108, main control circuit 109, external power source testing circuit 111, charging control and management circuit 101, battery 103, battery voltage detection circuit 110, self-locking switch circuit 113, motor-drive circuit 104 and motor 105, external power source access module 100 is powered for main control circuit 109 by voltage stabilizing circuit 108, charged for battery 103 by charging control and management circuit 101 simultaneously, the output of the input termination external power source access module 100 of external power source detection module 111, export the control input end of termination main control circuit 109, external power source whether is had to access (in this specific embodiment for detecting, external power source is connected with external power source access module 100 by 5V adapter), the control output end of the control inputs termination main control circuit 109 of charging control and management circuit 101, the control output end of charging control and management circuit 101 connects the control input end of main control circuit 109, battery 103 is powered for main control circuit 109 by self-locking switch circuit 113, the control output end of the control inputs termination main control circuit 109 of self-locking switch circuit 113, the control input end of the output termination main control circuit 109 of battery voltage sensing module 110, the input termination battery 103 of battery voltage sensing module 110, battery 103 successively series electric motor drive circuit 104 and motor 105 forms the drive circuit of motor 105, the control output end of the control inputs termination main control circuit 109 of motor-drive circuit 104.
In this specific embodiment, main control circuit 109 is that the single-chip microcomputer U1 of EM78P372N and peripheral circuit thereof form by model, and battery 103 is lithium battery BT0, specifically as shown in Figure 2.
Further, main control circuit 109 is also connected with indicator light and buzzer module 107, for the operating state of prompt facility.
Further, main control circuit 109 is also connected with over-voltage detection circuit 102, for detect external power source access module 100 access whether be 5V adapter, if the adapter of access is more than 5V, then do not charge, and buzzer warning, concrete, over-voltage detection circuit 102 comprises resistance R50, resistance R51 and electric capacity C50, one end ground connection after resistance R51 and electric capacity C50 parallel connection, one end meets external power source VCC after connecting with resistance R50, and the node between resistance R50 and resistance R51 meets P55 end (control input end) of single-chip microcomputer U1, specifically as shown in Figure 2.
Further; main control module 109 is also connected with motor protective circuit 106, and damage for avoiding the abnormal conditions such as motor generation stall, motor protective circuit 106 comprises resistance R4, R11, R12; electric capacity C5, C6 and model are the voltage stabilizing didoe U3 of TL431, specifically as shown in Figure 2.
Concrete, voltage stabilizing circuit 108 is 3.5V voltage stabilizing circuit, be made up of diode D2, resistance R2,3.5V voltage stabilizing didoe D3 and electric capacity C3, the anode of diode D2 meets VCC end (output of external power source access module), and negative electrode series resistance R2 connects the negative electrode of diode D3, the plus earth of diode D3, electric capacity C3 is in parallel with diode D3, node between resistance R2 and diode D3 is the vdd terminal that power output end VCC_IC meets single-chip microcomputer U1, for single-chip microcomputer is powered, specifically as shown in Figure 2.
Concrete, motor drive module 105 comprises metal-oxide-semiconductor Q1, its model is CSD17310Q5A, the G pole of metal-oxide-semiconductor Q1 meets P64 end (control output end) of single-chip microcomputer U1, the S pole series resistance R10 of metal-oxide-semiconductor Q1 meets the negative pole BAT-of lithium battery BT0, ground connection simultaneously, the D pole series electric motor MG0 of metal-oxide-semiconductor Q1 meets the positive pole BAT+ of lithium battery BT0, specifically as shown in Figure 2.
Concrete, charging control and management circuit 101 comprises triode Q5, metal-oxide-semiconductor Q4 and model are the chip U2 of PT6112, the base stage of triode Q5 meets P65/CH-end (control output end) of single-chip microcomputer, the grounded emitter of triode Q5, the collector electrode of triode Q5 connects the grid of metal-oxide-semiconductor Q4, metal-oxide-semiconductor Q4 source electrode connect VCC end, be connected with its grid by resistance R17 simultaneously, the drain electrode of metal-oxide-semiconductor Q4 connects the VCC end of chip U2, CHG end (control output end) of chip U2 meets P65/CH+ end (control input end) of single-chip microcomputer, the positive pole BAT+ of the BAT termination lithium battery BT0 of chip U2, specifically as shown in Figure 2.
Concrete, self-locking switch circuit 113 comprises K switch 1, diode D5, triode Q3 and triode Q2, the positive pole BAT+ of K switch 1 one termination lithium battery BT0, the anode of one terminating diode D5, the negative electrode of diode D5 is power output end VCC_IC, node between K switch 1 and diode D5 meets P60 end (control input end) of single-chip microcomputer U1, simultaneously by resistance R8 in parallel and electric capacity C6 ground connection, triode Q3 and triode Q2 forms secondary switch circuit, the base stage of triode Q3 meets P61 end (control output end) of single-chip microcomputer U1, the emitter of triode Q2 meets the positive pole BAT+ of lithium battery BT0, current collection is power output end VCC_IC very, specifically as shown in Figure 2.
The course of work of the present utility model is summarized as follows:
During charging: external power source access module (socket J1) inserts the adapter of 5V, the voltage of a 3.5V is provided to be that single-chip microcomputer U1 powers by the voltage stabilizing circuit of diode D2, resistance R2, diode D3 and electric capacity C3 composition, the P65/CH-of single-chip microcomputer holds as high level makes triode Q5, metal-oxide-semiconductor Q4 conducting simultaneously, external power source VCC powers to chip U2, then chip U2 enters Charge Management state, for lithium battery BT0 charges.Now the CHG end of chip U2 is low level, and indicator light glimmers, and buzzer rings a sound.Charging process, indicator light is constant with other state of the frequency scintillation of 1Hz.When charging electricity, the CHG end of chip U2 is high level, and the P65/CH-end of single-chip microcomputer U1 makes triode Q5, metal-oxide-semiconductor Q4 end for low level, and end of charging, indicator light goes out.
During work: K switch 1 closes, lithium battery BT0 is that single-chip microcomputer U1 powers, the P60 end of single-chip microcomputer U1 is high level, the P61 of single-chip microcomputer U1 holds as high level makes triode Q3 and Q2 conducting, and lithium battery BT0 is further for single-chip microcomputer is powered, and the P64 end of single-chip microcomputer U1 is high level simultaneously, make metal-oxide-semiconductor Q1 conducting, lithium battery BT0 is that motor M G0 powers, and motor M G0 operates, and carries out cleaning glass.During end-of-job, K switch 1 disconnects, and the P60 end of single-chip microcomputer U1, P61 hold and P64 end is low level, and triode Q3, triode Q2 and metal-oxide-semiconductor Q1 are closed, and lithium battery BT0 no longer powers for single-chip microcomputer U1 and motor M G0, and single-chip microcomputer U1 closes, and motor M G0 operates.
Although specifically show in conjunction with preferred embodiment and describe the utility model; but those skilled in the art should be understood that; not departing from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection range of the present utility model.
Claims (9)
1. the control circuit of a motor, comprise external power source access module, voltage stabilizing circuit, main control circuit, external power source testing circuit, charging control and management circuit, battery, battery voltage detection circuit, self-locking switch circuit, motor-drive circuit and motor, it is characterized in that: described external power source access module is that main control circuit is powered by voltage stabilizing circuit, be battery charging by charging control and management circuit simultaneously, the output of the input termination external power source access module of described external power source detection module, the control input end of the output termination main control circuit of described external power source detection module, the control output end of the control inputs termination main control circuit of described charging control and management circuit, the control output end of described charging control and management circuit connects the control input end of main control circuit, described battery is that main control circuit is powered by self-locking switch circuit, the control output end of the control inputs termination main control circuit of described self-locking switch circuit, the control input end of the output termination main control circuit of described battery voltage sensing module, the input termination battery of described battery voltage sensing module, described battery is series electric motor drive circuit and motor composition motor driving loop successively, the control output end of the control inputs termination main control circuit of described motor-drive circuit.
2. the control circuit of motor according to claim 1, is characterized in that: described main control circuit is also connected with indicator light and buzzer module.
3. the control circuit of motor according to claim 1, it is characterized in that: also comprise over-voltage detection circuit, the output of the input termination external power source access module of described over-voltage detection circuit, the control input end of the output termination main control circuit of described over-voltage detection circuit.
4. the control circuit of motor according to claim 1, is characterized in that: described main control module is also connected with motor protective circuit, damages for avoiding motor generation stall.
5. the control circuit of motor according to claim 1, is characterized in that: described main control circuit is that the single-chip microcomputer of EM78P372N and peripheral circuit thereof form by model.
6. the control circuit of motor according to claim 1, is characterized in that: described voltage stabilizing circuit is 3.5V voltage stabilizing circuit.
7. the control circuit of motor according to claim 1, is characterized in that: described battery is lithium battery.
8. the control circuit of motor according to claim 1, it is characterized in that: described motor drive module comprises metal-oxide-semiconductor Q1, its model is CSD17310Q5A, the G pole of described metal-oxide-semiconductor Q1 connects the control output end of main control circuit, the S pole of described metal-oxide-semiconductor Q1 connects battery cathode, and the D pole series electric motor of described metal-oxide-semiconductor Q1 connects anode.
9. the control circuit of motor according to claim 1, it is characterized in that: described charging control and management circuit comprises triode Q5, metal-oxide-semiconductor Q4 and model are the chip U2 of PT6112, the base stage of described triode Q5 connects the control output end of main control circuit, the grounded emitter of described triode Q5, the collector electrode of described triode Q5 connects the grid of metal-oxide-semiconductor Q4, described metal-oxide-semiconductor Q4 source electrode connect the output of external power source access module, be connected with its grid by resistance R17 simultaneously, the drain electrode of described metal-oxide-semiconductor Q4 connects the VCC end of chip U2, the control input end of the CHG termination main control circuit of described chip U2, the positive pole of the BAT termination battery of described chip U2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520703703.0U CN204928630U (en) | 2015-09-11 | 2015-09-11 | Control circuit of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520703703.0U CN204928630U (en) | 2015-09-11 | 2015-09-11 | Control circuit of motor |
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| Publication Number | Publication Date |
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| CN204928630U true CN204928630U (en) | 2015-12-30 |
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| CN201520703703.0U Active CN204928630U (en) | 2015-09-11 | 2015-09-11 | Control circuit of motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865241A (en) * | 2021-01-26 | 2021-05-28 | 浙江金得利电器有限公司 | Hair curler circuit |
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2015
- 2015-09-11 CN CN201520703703.0U patent/CN204928630U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865241A (en) * | 2021-01-26 | 2021-05-28 | 浙江金得利电器有限公司 | Hair curler circuit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180502 Address after: 361000 unit 301, No. 26, Xiang Hong Road, Xiamen torch high tech Zone (Xiangan) Industrial Zone, Fujian Patentee after: Xiamen Wei Ke Health Industry Co., Ltd. Address before: 361000 Xiamen, Fujian Torch High-tech Zone (Xiangan) Industrial Zone, Xiang Hong Road 16, 102, 202 units Patentee before: XIAMEN WEIKE HEALTH TECHNOLOGY CO., LTD. |