CN204481727U - Induction type alignment circuit - Google Patents
Induction type alignment circuit Download PDFInfo
- Publication number
- CN204481727U CN204481727U CN201520255767.9U CN201520255767U CN204481727U CN 204481727 U CN204481727 U CN 204481727U CN 201520255767 U CN201520255767 U CN 201520255767U CN 204481727 U CN204481727 U CN 204481727U
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- 230000006698 induction Effects 0.000 title claims abstract description 21
- 239000003990 capacitor Substances 0.000 claims description 42
- 230000033228 biological regulation Effects 0.000 claims description 22
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 12
- 229910052744 lithium Inorganic materials 0.000 claims description 12
- 230000005669 field effect Effects 0.000 claims description 8
- 230000001939 inductive effect Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000007599 discharging Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses induction type alignment circuit, comprise power subsystem, infrared induction unit, control unit and speed adjustment unit; The input of infrared induction unit is connected with power subsystem, and the output of infrared induction unit is connected with the input of control unit, and the output of control unit is connected with speed adjustment unit, and speed adjustment unit, control unit connect power subsystem respectively; Infrared induction unit receives reflective infrared signal, and passes to control unit, and control unit sends control signal and makes speed adjustment unit work.The utility model make DC machine actiyator easy to operate, operate steadily, increase the service life.
Description
Technical Field
The utility model belongs to direct current motor speed governing controller field, in particular to infrared induction speed governing circuit.
Background
For the speed regulation controller of the existing direct current motor, the manual mechanical mode is usually adopted for gear shifting and speed regulation, and the gear and the switch are required to be directly contacted during operation, so that the mechanical gear shifting and speed regulation device is easy to damage, and a switching contact is easy to burn black and wear, thereby causing the conductivity and the mechanical performance to be reduced. For example, when the speed controller is applied to a fan such as a desk fan or a ceiling fan, a speed control circuit for stabilizing the operations of turning on, turning off, adjusting the rotation speed, etc. of the motor is required.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an induction type speed governing circuit for direct current motor speed governing controller convenient operation, operate steadily, increase of service life.
According to an aspect of the present invention, an inductive speed-regulating circuit is provided, which comprises a power supply unit, an infrared sensing unit, a control unit and a speed-regulating unit;
the input end of the infrared sensing unit is connected with the power supply unit, the output end of the infrared sensing unit is connected with the input end of the control unit, the output end of the control unit is connected with the speed regulating unit, and the speed regulating unit and the control unit are respectively connected with the power supply unit;
the infrared sensing unit receives the reflection-type infrared signal and transmits the reflection-type infrared signal to the control unit, and the control unit sends out a control signal to enable the speed regulating unit to work.
Therefore, the control unit receives the reflection type infrared signal, so that the speed regulation unit is controlled to work, the speed regulation circuit is controlled by adopting infrared induction, the operation is convenient, the running is stable, and the service life is prolonged.
The utility model discloses make direct current motor speed governing controller convenient operation, operate steadily, increase of service life.
Drawings
Fig. 1 is a schematic diagram of an induction type speed regulation circuit according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 schematically shows an inductive speed regulation circuit according to an embodiment of the present invention
As shown in fig. 1, the induction type speed regulation circuit is characterized by comprising a power supply unit 1, an infrared induction unit 2, a control unit 3 and a speed regulation unit 4. Wherein,
in the speed regulating unit 4, one end of a capacitor C2 is connected with a power supply unit, the end is simultaneously connected with one end of a resistor R15, a source of an insulated gate field effect transistor T1 and one end of a change-over switch SW, the other end of the change-over switch SW is connected with the power supply unit, the other end of a resistor R15 is connected with a grid (model 2301) of an insulated gate field effect transistor T1, a drain of the insulated gate field effect transistor T1 is connected with one end of an inductor L1, the other end of the inductor L1 is connected with an anode of a diode D1 (model SS14), a cathode of a diode D1 is connected with one end of a resistor R1, one end of a capacitor C1 and one end of a brushless dc motor M1, the other end of a capacitor C1 and the other end of the brushless dc motor M1 are grounded, the other end of a resistor R1 is sequentially connected with a resistor R2, a resistor R3 and a resistor R4, the inductor L1, the diode D1 and the resistor R1 are correspondingly connected with a boost converter U4 (model MT 3608).
In the control unit 3, one end of a resistor R5 and one end of a capacitor C3 are connected with a power supply unit, the other end of a resistor R5 is connected with the anode of a diode D3, the other end of the capacitor C3 is grounded, the cathode of a diode D3 and the power supply unit are correspondingly connected with a single chip microcomputer U3 (model number is 8P53-8), and the grid of an insulated gate field effect transistor T1 is correspondingly connected with the single chip microcomputer U3 through a CE interface, a resistor R2, a resistor R3 and a resistor R4 through CON1 and CON2 interfaces.
The infrared sensing unit 2 includes a transmitting module 21 and a receiving module 22, wherein,
in the sending module 21, one end of a resistor R6 is connected to the power supply unit, the other end of the resistor R6 is connected to the anode of a diode D2, the cathode of the diode D2 is connected to the collector of an NPN-type triode Q2 (model 9014), the emitter of the NPN-type triode Q2 is grounded, and the base of the NPN-type triode Q2 is connected to one end of the resistor R7;
in the receiving module 22, one end of a capacitor C5 is connected to the power supply unit, one end of a resistor R9, one end of a resistor R11, and one end of a resistor R8, the other end of the capacitor C5 is grounded, one end of a resistor R9 is connected to a collector of a phototransistor Q3 (model PT17) and one end of a capacitor C4, an emitter of the phototransistor Q3 is grounded, the other end of the capacitor C4 is connected to the other end of a resistor R11 and a base of an NPN transistor Q1 (model 9014), a collector of the NPN transistor Q1 is connected to the other end of the resistor R8, and an emitter of the NPN transistor Q1 is grounded;
the other end of the resistor R7 is correspondingly connected to the singlechip U3 through an IR-OUT interface; the other end of the resistor R8 and the collector of the NPN type triode Q3 are correspondingly connected to the single chip microcomputer U3 through an IR-IN interface.
The power supply unit 1 comprises a charging and discharging module 11 and an overcharge and overdischarge protection module 12, wherein,
in the charge and discharge module 11, one end of a USB interface J1 is connected to one end of a resistor R14, the other end of a USB interface J1 is grounded, the other end of the resistor R14 is connected to one end of a resistor R12 and one end of a capacitor C9, the other end of a capacitor C9 is grounded, the other end of the resistor R12 is connected to the anode of a diode D4, the cathode of a diode D4, the two ends of the resistor R10, one end of a resistor R12, the other end of the resistor R14, and one end of a capacitor C9 are correspondingly connected to a charge management chip U1 (model number B142);
in the overcharge and overdischarge protection module 12, the positive electrode of the lithium battery BAT is connected with the other end of the change-over switch SW, the negative electrode of the lithium battery BAT is connected with one end of a capacitor C11 and one end of a capacitor C6, the other end of a capacitor C11 is connected with one end of a resistor R17, the other end of the resistor R17 is connected with the positive electrode of the lithium battery BAT and one end of a capacitor C7, the other end of a capacitor C7 is grounded, the other end of the capacitor C7, the other end of the capacitor C11, the other end of the capacitor C6, one end of the resistor R17 and the negative electrode of the lithium battery BAT are correspondingly connected with a protection chip U2;
the other end of the resistor R17, one end of the capacitor C7, the other end of the change-over switch SW and the anode of the lithium battery BAT are correspondingly connected with the charging management chip U1.
The working principle of the induction type speed regulating circuit is as follows:
the lithium battery BAT adopts 2000mAh/3.7v, the USB interface J1 adopts general USB plug to charge, switches on the change-over switch SW, sets up as the diode D4 flash of power indicator 3 through the charging management chip U1 and flashes once every 3 seconds subsequently.
Under the control of the singlechip U3, waving a hand within a distance range of 15cm, flashing a diode D2 serving as an infrared induction lamp, waving the hand once, starting a first-gear rotating speed (9 v/370mA working input of M1) by the brushless direct current motor M1, and using for 2 hours; continuously waving for 2 times, starting a second-gear rotating speed (the working input of M1 is 6.5v/260mA) by using the brushless direct current motor M1, and using for 4 hours; the brushless direct current motor M1 starts three-gear rotation speed (5 v/190mA working input of M1) after 3 continuous wave movements, and the service time is 8 hours. The rotating speed of the brushless direct current motor M1 can be changed by waving hands at any time in the speed regulation process; stopping when the shielding is carried out for 3 seconds; the sleep is started after the time of no operation exceeds 30 minutes, and the switch SW needs to be turned on again to be started. When the low voltage (2.2v) is turned off, the diode D4 flashes slowly to protect the lithium battery BAT.
Through the shielding action of hands, the sending module 21 of the infrared sensing unit 2 forms the reflection of an infrared signal, the infrared signal sensed by the diode D2 is reflected to the phototriode Q3 of the receiving module 22, the phototriode Q3 receives the infrared reflection signal and inputs the infrared reflection signal into the control unit 3, the counting is formed according to the number of times of receiving the signal in unit time, or the duration of continuously receiving the infrared reflection signal is formed, the infrared reflection signal is identified through the singlechip U3, the identified signal is converted into a working instruction and is input into the speed regulating unit 4, and the change of current is input through the brushless direct current motor M1, so that the starting, the closing and the rotating speed regulation of the brushless direct current motor M1 are controlled. Meanwhile, the charging and discharging module 11 of the power supply unit 1 plays a role in charging the PC, and the overcharge and overdischarge protection module 12 provides overcharge and overdischarge protection.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (5)
1. The inductive speed regulation circuit is characterized by comprising a power supply unit, an infrared induction unit, a control unit and a speed regulation unit;
the input end of the infrared induction unit is connected with the power supply unit, the output end of the infrared induction unit is connected with the input end of the control unit, the output end of the control unit is connected with the speed regulation unit, and the speed regulation unit and the control unit are respectively connected with the power supply unit;
the infrared induction unit receives the reflection type infrared signal and transmits the reflection type infrared signal to the control unit, and the control unit sends out a control signal to enable the speed regulation unit to work.
2. The induction type speed regulation circuit according to claim 1, wherein in the speed regulation unit, one end of a capacitor C2 is connected with a power supply unit, the end is simultaneously connected with one end of a resistor R15, the source of an insulated gate field effect transistor T1 and one end of a change-over switch SW, the other end of the change-over switch SW is connected with the power supply unit, the other end of a resistor R15 is connected with the grid of an insulated gate field effect transistor T1, the drain of the insulated gate field effect transistor T1 is connected with one end of an inductor L1, the other end of the inductor L1 is connected with the anode of a diode D1, the cathode of the diode D1 is connected with one end of a resistor R1, one end of a capacitor C1 and one end of a brushless DC motor M1, the other end of a capacitor C1 is grounded with the other end of the brushless DC motor M1, the other end of a resistor R1 is sequentially connected with a resistor R2, a resistor R3 and a resistor R4, the, The inductor L1, the diode D1 and the resistor R1 are correspondingly connected with the boost converter U4.
3. The induction type speed regulation circuit of claim 2, wherein in the control unit, one end of a resistor R5 and one end of a capacitor C3 are connected with a power supply unit, the other end of a resistor R5 is connected with an anode of a diode D3, the other end of the capacitor C3 is grounded, and a cathode of a diode D3, the power supply unit, a grid of an insulated gate field effect transistor T1, a resistor R2, a resistor R3 and a resistor R4 are correspondingly connected with a singlechip U3.
4. The inductive speed regulation circuit of claim 3, wherein the infrared sensing unit comprises a transmitting module and a receiving module;
in the sending module, one end of a resistor R6 is connected with a power supply unit, the other end of a resistor R6 is connected with the anode of a diode D2, the cathode of the diode D2 is connected with the collector of an NPN type triode Q2, the emitter of the NPN type triode Q2 is grounded, and the base of the NPN type triode Q2 is connected with one end of a resistor R7;
in the receiving module, one end of a capacitor C5 is connected with a power supply unit, one end of a resistor R9, one end of a resistor R11 and one end of a resistor R8, the other end of the capacitor C5 is grounded, one end of a resistor R9 is connected with a collector of a phototriode Q3 and one end of a capacitor C4, an emitter of the phototriode Q3 is grounded, the other end of a capacitor C4 is connected with the other end of the resistor R11 and a base of an NPN-type triode Q1, the collector of the NPN-type triode Q1 is connected with the other end of a resistor R8, and the emitter of the NPN-type triode Q1 is;
the other end of the resistor R7, the other end of the resistor R8 and the collector of the NPN type triode Q3 are correspondingly connected with the single chip microcomputer U3.
5. The inductive speed regulation circuit of claim 4, wherein the power supply unit comprises a charge-discharge module and an overcharge-overdischarge protection module;
in the charge-discharge module, one end of a USB interface J1 is connected with one end of a resistor R14, the other end of a USB interface J1 is grounded, the other end of the resistor R14 is connected with one end of a resistor R12 and one end of a capacitor C9, the other end of a capacitor C9 is grounded, the other end of the resistor R12 is connected with the anode of a diode D4, the cathode of a diode D4, the two ends of the resistor R10, one end of a resistor R12, the other end of the resistor R14 and one end of a capacitor C9 are correspondingly connected with a charge management chip U1;
in the overcharge and overdischarge protection module, the positive electrode of the lithium battery BAT is connected with the other end of the change-over switch SW, the negative electrode of the lithium battery BAT is connected with one end of a capacitor C11 and one end of a capacitor C6, the other end of the capacitor C11 is connected with one end of a resistor R17, the other end of the resistor R17 is connected with the positive electrode of the lithium battery BAT and one end of a capacitor C7, the other end of the capacitor C7 is grounded, and the other end of the capacitor C7, the other end of the capacitor C11, the other end of the capacitor C6, one end of a resistor R17 and the negative electrode of the lithium battery BAT;
the other end of the resistor R17, one end of the capacitor C7, the other end of the change-over switch SW and the anode of the lithium battery BAT are correspondingly connected with the charging management chip U1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255767.9U CN204481727U (en) | 2015-04-24 | 2015-04-24 | Induction type alignment circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255767.9U CN204481727U (en) | 2015-04-24 | 2015-04-24 | Induction type alignment circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204481727U true CN204481727U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520255767.9U Expired - Fee Related CN204481727U (en) | 2015-04-24 | 2015-04-24 | Induction type alignment circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN204481727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111708425A (en) * | 2020-05-22 | 2020-09-25 | 广州裕芯电子科技有限公司 | Portable fan control chip, circuit and method integrating indication function |
-
2015
- 2015-04-24 CN CN201520255767.9U patent/CN204481727U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111708425A (en) * | 2020-05-22 | 2020-09-25 | 广州裕芯电子科技有限公司 | Portable fan control chip, circuit and method integrating indication function |
| CN111708425B (en) * | 2020-05-22 | 2022-11-15 | 广州裕芯电子科技有限公司 | Portable fan control chip integrated with indication function, circuit and method |
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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: 20150715 Termination date: 20170424 |
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| CF01 | Termination of patent right due to non-payment of annual fee |