CN204349851U - Control of Fan Motor system - Google Patents
Control of Fan Motor system Download PDFInfo
- Publication number
- CN204349851U CN204349851U CN201520082030.1U CN201520082030U CN204349851U CN 204349851 U CN204349851 U CN 204349851U CN 201520082030 U CN201520082030 U CN 201520082030U CN 204349851 U CN204349851 U CN 204349851U
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Abstract
The utility model discloses a kind of control of Fan Motor system, comprise power supply, the full bridge rectifier that power supply is constituted by a diode and filter capacitor composition, from positive source, connect direct current machine anode, direct current machine negative electrode, triode Q1 collector electrode, triode Q1 emitter, sampling resistor R3, metal-oxide-semiconductor Q2 source electrode, metal-oxide-semiconductor Q2 drain electrode and power cathode successively.The utility model effectively can reduce energy consumption of electrical machinery.
Description
Technical field
The utility model relates to a kind of control of Fan Motor system.
Background technology
Low-voltage Electronic components and parts are in running, and its cabinet internal power unit there will be a large amount of heats, the stable operation of influential system.Generally for cooling, usually can increase fan in cabinet, fan is generally directly connected on power supply, and start runs automatically; Or by control switch manually.The first situation is in running status due to fan one, can increase energy consumption, and the second situation, due to the limitation of manual type, can not ensure radiating effect.
Utility model content
For the defect of prior art, the utility model provides a kind of control of Fan Motor system.
A kind of control of Fan Motor system, comprise power supply, the full bridge rectifier that power supply is constituted by a diode and filter capacitor composition, from positive source, connect direct current machine anode, direct current machine negative electrode, triode Q1 collector electrode, triode Q1 emitter, sampling resistor R3, metal-oxide-semiconductor Q2 source electrode, metal-oxide-semiconductor Q2 drain electrode and power cathode successively, the bleeder circuit that positive source is also consisted of switch S 1 and divider resistance R4 and R5 is successively connected to metal-oxide-semiconductor Q2 grid, and metal-oxide-semiconductor Q2 is drained and is also connected with metal-oxide-semiconductor Q2 grid by resistance R5; The VCC input pin of PIC12F629 is connected with the positive pole of power supply, 2 pin ground connection, and 3 pin are connected with positive source by resistance R1, and 4 pin are connected with the emitter of triode Q1, sampling resistor R3 after being connected with 5 pin respectively, and the other end of sampling resistor R3 is connected with 2 pin; 6 pin are connected with the base stage of triode Q1.
Optionally, the filter capacitor C2 in parallel with described direct current machine and sustained diode 1 is also comprised.
The beneficial effects of the utility model are: the utility model adopts variable frequency control to fan electromotor, greatly reduce the energy consumption of motor.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model control of Fan Motor system.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail embodiment of the present utility model below in conjunction with accompanying drawing, make above-mentioned and other object of the present utility model, Characteristics and advantages will be more clear.Reference numeral identical in whole accompanying drawing indicates identical part.Deliberately do not draw accompanying drawing in proportion, focus on purport of the present utility model is shown.
As shown in Figure 1, control of Fan Motor system of the present utility model comprises power supply, and power supply is connected to AC power, for alternating current is converted to direct current, thus powers for fan electromotor.Wherein rectification unit is the full bridge rectifier and filter capacitor composition that are constituted by a diode, and 220V alternating current is converted to direct current and forms DC power supply by it.From positive source, connect positive source, direct current machine anode, direct current machine negative electrode, triode Q1 collector electrode, triode Q1 emitter, sampling resistor R3, metal-oxide-semiconductor Q2 source electrode, metal-oxide-semiconductor Q2 drain electrode and power cathode successively.The bleeder circuit that positive source is also consisted of switch S 1 and divider resistance R4 and R5 is successively connected to metal-oxide-semiconductor Q2 grid, with thinking that metal-oxide-semiconductor Q2 turn-on and turn-off provide control signal.Metal-oxide-semiconductor Q2 is drained and is also connected with metal-oxide-semiconductor Q2 grid by resistance R5; The VCC of control chip U1 (model selects PIC12F629) is power supply input pin, is connected with the positive pole of power supply; 2 pin ground connection, 3 pin are that high level effectively works enable pin, and it is connected with positive source by resistance R1, is connected with its 2 pin GND by resistance R2; 4 pin are current detecting pin; 5 pin Vfb are for detecting Voltage Feedback pin, and 4 pin are connected with the emitter of triode Q1, sampling resistor R3 after being connected with 5 pin Vfb respectively, and the other end of sampling resistor R3 is connected with 2 pin GND; 6 pin are that PWM drives pin, are connected with the base stage of triode Q1.Described direct current motor drive circuit also comprises the filter capacitor C2 in parallel with described direct current machine, and described direct current motor drive circuit also comprises a sustained diode 1, filter capacitor C2, sustained diode 1 and motor parallel.
Set forth a lot of detail in the above description so that fully understand the utility model.But above description is only preferred embodiment of the present utility model, the utility model can be much different from alternate manner described here to implement, and therefore the utility model is not by the disclosed concrete restriction implemented above.Any those skilled in the art are not departing under technical solutions of the utility model ambit simultaneously, the Method and Technology content of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Every content not departing from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solutions of the utility model protection.
Claims (2)
1. a control of Fan Motor system, it is characterized in that, comprise power supply, the full bridge rectifier that power supply is constituted by a diode and filter capacitor composition, from positive source, connect direct current machine anode, direct current machine negative electrode, triode Q1 collector electrode, triode Q1 emitter, sampling resistor R3, metal-oxide-semiconductor Q2 source electrode, metal-oxide-semiconductor Q2 drain electrode and power cathode successively, the bleeder circuit that positive source is also consisted of switch S 1 and divider resistance R4 and R5 is successively connected to metal-oxide-semiconductor Q2 grid, and metal-oxide-semiconductor Q2 is drained and is also connected with metal-oxide-semiconductor Q2 grid by resistance R5; The VCC input pin of PIC12F629 is connected with the positive pole of power supply, 2 pin ground connection, and 3 pin are connected with positive source by resistance R1, and 4 pin are connected with the emitter of triode Q1, sampling resistor R3 after being connected with 5 pin respectively, and the other end of sampling resistor R3 is connected with 2 pin; 6 pin are connected with the base stage of triode Q1.
2. control of Fan Motor system according to claim 1, is characterized in that, also comprises the filter capacitor C2 in parallel with described direct current machine and sustained diode 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520082030.1U CN204349851U (en) | 2015-02-05 | 2015-02-05 | Control of Fan Motor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520082030.1U CN204349851U (en) | 2015-02-05 | 2015-02-05 | Control of Fan Motor system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204349851U true CN204349851U (en) | 2015-05-20 |
Family
ID=53233090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520082030.1U Expired - Fee Related CN204349851U (en) | 2015-02-05 | 2015-02-05 | Control of Fan Motor system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204349851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110664306A (en) * | 2019-08-29 | 2020-01-10 | 苏州力神能源科技有限公司 | Battery pack control system |
-
2015
- 2015-02-05 CN CN201520082030.1U patent/CN204349851U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110664306A (en) * | 2019-08-29 | 2020-01-10 | 苏州力神能源科技有限公司 | Battery pack control system |
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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: 20150520 Termination date: 20160205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |