CN204481727U - Induction type alignment circuit - Google Patents
Induction type alignment circuit Download PDFInfo
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- 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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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 DC machine actiyator field, particularly a kind of infrared induction alignment circuit.
Background technology
For the speed setting controller of existing direct current machine, usual employing armstrong's patent mode gear shift speed governing, and need directly contact gear and switch when operating, therefore fragile, the transfer contact of mechanical gear shift speed regulator is easily burnt black, wearing and tearing, thus is caused what mechanical performance of electric conductivity to decline.Such as, when above-mentioned speed setting controller is applied to the fan such as desk fan, ceiling fan, need a kind of alignment circuit that motor unlatching, closedown, rotational speed regulation etc. are operated steadily.
Utility model content
The purpose of this utility model to provide a kind of induction type alignment circuit, make DC machine actiyator easy to operate, operate steadily, increase the service life.
According to an aspect of the present utility model, provide 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.
Thus, receive reflective infrared signal by control unit, thus control speed adjustment unit work, adopt infrared induction to control alignment circuit, easy to operate, operate steadily, increase the service life.
The utility model make DC machine actiyator easy to operate, operate steadily, increase the service life.
Accompanying drawing explanation
Fig. 1 is the induction type alignment circuit schematic diagram of the utility model one execution mode.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 show schematically show the induction type alignment circuit according to a kind of execution mode of the present utility model
As shown in Figure 1, this induction type alignment circuit, is characterized in that, comprises power subsystem 1, infrared induction unit 2, control unit 3 and speed adjustment unit 4.Wherein,
In speed adjustment unit 4, one end of electric capacity C2 connects power subsystem, one end of contact resistance R15 while of this end, the source electrode of insulating gate type field effect tube T1 and one end of change over switch SW, the other end of change over switch SW connects power subsystem, the other end of resistance R15 connects the grid (model is 2301) of insulating gate type field effect tube T1, the drain electrode of insulating gate type field effect tube T1 connects one end of inductance L 1, the other end of inductance L 1 connects the anode of diode D1 (model is SS14), one end of the negative electrode contact resistance R1 of diode D1, one end of electric capacity C1 and one end of brshless DC motor M1, the other end of electric capacity C1 and the other end ground connection of brshless DC motor M1, the other end contact resistance R2 successively of resistance R1, resistance R3 and resistance R4, the other end ground connection of resistance R4, insulating gate type field effect tube T1, inductance L 1, diode D1, resistance R1 correspondence connects booster converter U4 (model is MT3608).
In control unit 3, one end of resistance R5, one end of electric capacity C3 connect power subsystem, the other end of resistance R5 connects the anode of diode D3, the other end ground connection of electric capacity C3, the negative electrode of diode D3, power subsystem correspondence connects single-chip microcomputer U3 (model is 8P53-8), and the grid of insulating gate type field effect tube T1 connects single-chip microcomputer U3 by ce interface and resistance R2, resistance R3, resistance R4 by CON1, CON2 interface correspondence.
Infrared induction unit 2 comprises sending module 21 and receiver module 22, wherein,
In sending module 21, one end of resistance R6 connects power subsystem, the other end of resistance R6 connects the anode of diode D2, the negative electrode of diode D2 connects the collector electrode of NPN type triode Q2 (model is 9014), the grounded emitter of NPN type triode Q2, one end of the base stage contact resistance R7 of NPN type triode Q2;
In receiver module 22, one end of electric capacity C5 connects one end of power subsystem, one end of resistance R9, one end of resistance R11 and resistance R8, the other end ground connection of electric capacity C5, one end of resistance R9 connects the collector electrode of phototriode Q3 (model is PT17) and one end of electric capacity C4, the grounded emitter of phototriode Q3, the base stage of the other end of the other end contact resistance R11 of electric capacity C4 and NPN type triode Q1 (model is 9014), the other end of the collector electrode contact resistance R8 of NPN type triode Q1, the grounded emitter of NPN type triode Q1;
The other end of resistance R7 is by IR-OUT interface correspondence access single-chip microcomputer U3; The other end of resistance R8, the collector electrode of NPN type triode Q3 are by IR-IN interface correspondence access single-chip microcomputer U3.
Power subsystem 1 comprises charge-discharge modules 11 and super-charge super-discharge protection module 12, wherein,
In charge-discharge modules 11, one end of one end contact resistance R14 of USB interface J1, the other end ground connection of USB interface J1, one end of other end contact resistance R12 of resistance R14 and one end of electric capacity C9, the other end ground connection of electric capacity C9, the other end of resistance R12 connects the anode of diode D4, and one end correspondence of one end of the negative electrode of diode D4, the two ends of resistance R10, resistance R12, the other end of resistance R14, electric capacity C9 connects charging management chip U1 (model is B142);
In super-charge super-discharge protection module 12, the positive pole of lithium battery BAT connects the other end of change over switch SW, the negative pole of lithium battery BAT connects one end of electric capacity C11 and one end of electric capacity C6, one end of the other end contact resistance R17 of electric capacity C11, the other end of resistance R17 connects the positive pole of lithium battery BAT and one end of electric capacity C7, the other end ground connection of electric capacity C7, the negative pole correspondence of the other end of the other end of electric capacity C7, the other end of electric capacity C11, electric capacity C6, one end of resistance R17, lithium battery BAT connects protect IC U2 (model is XB4301);
The other end of the other end of resistance R17, one end of electric capacity C7, change over switch SW, the positive pole correspondence of lithium battery BAT connect charging management chip U1.
Above-mentioned induction type alignment circuit operation principle is as follows:
Lithium battery BAT adopts 2000mAh/3.7v, USB interface J1 to adopt the charging of Universal USB plug, connects change over switch SW, by charging management chip U1 be provided as power supply indicator diode D4 quick flashing 3 times, follow-uply to dodge once every 3 seconds.
Under single-chip microcomputer U3 control action, wave within 15cm distance range, the diode D2 as infrared induction lamp is thereupon glittering, waves once, and brshless DC motor M1 starts one grade of rotating speed (M1 work input 9v/370mA), 2 hours service time; Brandish 2 times continuously, brshless DC motor M1 starts second gear rotating speed (M1 work input 6.5v/260mA), 4 hours service time; Brandish 3 times continuously, brshless DC motor M1 starts third gear rotating speed (M1 work input 5v/190mA), 8 hours service time.Can wave to change the rotating speed of brshless DC motor M1 in speed regulation process at any time; Cover 3 seconds then to stop; Do not work always and entered sleep more than 30 minutes, need to reclose change over switch SW to start.When low pressure (2.2v) cut-off, diode D4 dodges instruction slowly, to protect lithium battery BAT.
Action is blocked by hand, the sending module 21 of infrared induction unit 2 forms the reflection of infrared signal, the infrared signal that diode D2 responds to is reflexed to the phototriode Q3 of receiver module 22, phototriode Q3 receives infrared reflectance signal, and Input Control Element 3, according to the number of times receiving signal in the unit interval, form counting, or receive the duration of infrared reflectance signal continuously, identified by single-chip microcomputer U3, and convert the signal recognized to work order, input speed adjustment unit 4, by the change of brshless DC motor M1 input current, thus control the startup of brshless DC motor M1, close and rotational speed regulation.Simultaneously the charge-discharge modules 11 of power subsystem 1 plays PC charging effect, super-charge super-discharge protection module 12 provide overcharge, Cross prevention.
Above-described is only execution modes more of the present utility model.For the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design, can also make some distortion and improvement, these all belong to protection range of the present utility model.
Claims (5)
1. induction type alignment circuit, is characterized in that, comprises power subsystem, infrared induction unit, control unit and speed adjustment unit;
The input of described infrared induction unit is connected with described power subsystem, the output of described infrared induction unit is connected with the input of described control unit, the output of described control unit is connected with described speed adjustment unit, and described speed adjustment unit, control unit connect described power subsystem respectively;
Described infrared induction unit receives reflective infrared signal, and passes to described control unit, and described control unit sends control signal and makes described speed adjustment unit work.
2. induction type alignment circuit according to claim 1, it is characterized in that, in described speed adjustment unit, one end of electric capacity C2 connects power subsystem, one end of contact resistance R15 while of this end, the source electrode of insulating gate type field effect tube T1 and one end of change over switch SW, the other end of change over switch SW connects power subsystem, the other end of resistance R15 connects the grid of insulating gate type field effect tube T1, the drain electrode of insulating gate type field effect tube T1 connects one end of inductance L 1, the other end of inductance L 1 connects the anode of diode D1, one end of the negative electrode contact resistance R1 of diode D1, one end of electric capacity C1 and one end of brshless DC motor M1, the other end of electric capacity C1 and the other end ground connection of brshless DC motor M1, the other end contact resistance R2 successively of resistance R1, resistance R3 and resistance R4, the other end ground connection of resistance R4, insulating gate type field effect tube T1, inductance L 1, diode D1, resistance R1 correspondence connects booster converter U4.
3. induction type alignment circuit according to claim 2, it is characterized in that, in described control unit, one end of resistance R5, one end of electric capacity C3 connect power subsystem, the other end of resistance R5 connects the anode of diode D3, the other end ground connection of electric capacity C3, the negative electrode of diode D3, power subsystem, the grid of insulating gate type field effect tube T1, resistance R2, resistance R3, resistance R4 correspondence connect single-chip microcomputer U3.
4. induction type alignment circuit according to claim 3, is characterized in that, described infrared induction unit comprises sending module and receiver module;
In described sending module, one end of resistance R6 connects power subsystem, and the other end of resistance R6 connects the anode of diode D2, and the negative electrode of diode D2 connects the collector electrode of NPN type triode Q2, the grounded emitter of NPN type triode Q2, one end of the base stage contact resistance R7 of NPN type triode Q2;
In described receiver module, one end of electric capacity C5 connects one end of power subsystem, one end of resistance R9, one end of resistance R11 and resistance R8, the other end ground connection of electric capacity C5, one end of resistance R9 connects the collector electrode of phototriode Q3 and one end of electric capacity C4, the grounded emitter of phototriode Q3, the other end of other end contact resistance R11 of electric capacity C4 and the base stage of NPN type triode Q1, the other end of the collector electrode contact resistance R8 of NPN type triode Q1, the grounded emitter of NPN type triode Q1;
The collector electrode correspondence of the other end of resistance R7, the other end of resistance R8, NPN type triode Q3 connects single-chip microcomputer U3.
5. induction type alignment circuit according to claim 4, is characterized in that, described power subsystem comprises charge-discharge modules and super-charge super-discharge protection module;
In described charge-discharge modules, one end of one end contact resistance R14 of USB interface J1, the other end ground connection of USB interface J1, one end of other end contact resistance R12 of resistance R14 and one end of electric capacity C9, the other end ground connection of electric capacity C9, the other end of resistance R12 connects the anode of diode D4, and one end correspondence of one end of the negative electrode of diode D4, the two ends of resistance R10, resistance R12, the other end of resistance R14, electric capacity C9 connects charging management chip U1;
In described super-charge super-discharge protection module, the positive pole of lithium battery BAT connects the other end of change over switch SW, the negative pole of lithium battery BAT connects one end of electric capacity C11 and one end of electric capacity C6, one end of the other end contact resistance R17 of electric capacity C11, the other end of resistance R17 connects the positive pole of lithium battery BAT and one end of electric capacity C7, the other end ground connection of electric capacity C7, the negative pole correspondence of the other end of the other end of electric capacity C7, the other end of electric capacity C11, electric capacity C6, one end of resistance R17, lithium battery BAT connects protect IC U2;
The other end of the other end of resistance R17, one end of electric capacity C7, change over switch SW, the positive pole correspondence of lithium battery BAT connect 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 |
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| Publication Number | Publication Date |
|---|---|
| CN204481727U true CN204481727U (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520255767.9U Expired - Fee Related CN204481727U (en) | 2015-04-24 | 2015-04-24 | Induction type alignment circuit |
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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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| Date | Code | Title | Description |
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| 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 |