CN205610490U - Switching power supply device of air purifier - Google Patents
Switching power supply device of air purifier Download PDFInfo
- Publication number
- CN205610490U CN205610490U CN201521143023.4U CN201521143023U CN205610490U CN 205610490 U CN205610490 U CN 205610490U CN 201521143023 U CN201521143023 U CN 201521143023U CN 205610490 U CN205610490 U CN 205610490U
- Authority
- CN
- China
- Prior art keywords
- module
- pwm
- voltage
- resistance
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 12
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Electrostatic Separation (AREA)
Abstract
The utility model relates to a switching power supply device of air purifier, including rectification voltage -stabilizing module, the PWM module, vary voltage module and switch module, rectification voltage -stabilizing module's output is PWM module and the power supply of vary voltage module, the PWM module is passed through the switch module and is linked to each other with the vary voltage module, wherein the PWM module is used for switching on of control switch module and ends, the PWM module still is connected with a WIFI module through a control module, the WIFI module is used for receiving outside mobile terminal's control signal, control module is used for receiving this control signal, thereby control the PWMM module, still be connected with opto -coupler feedback module between power output end and the PWM module, the vary voltage module is supplied power for the opto -coupler module through an ancillary coil. The utility model discloses not only convenient to use still can carry out remote control to switching power supply.
Description
Technical field
This utility model relates to the switching power unit of a kind of air purifier.
Background technology
Air purifier is also known as adsorbing, decompose or convert various air pollutants (generally comprising the finishing pollution of PM2.5, dust, pollen, abnormal flavour, formaldehyde etc, antibacterial, anaphylactogen etc.), it is effectively improved the product of air cleanliness, is mainly used in domestic, commercialization, industry, building.
Along with the raising of people's living standard with to healthy attention, have become increasingly aware of air quality to healthy importance, therefore the use of present air purifier is relatively conventional.The security performance of the switching power unit of the use of current existing air purifier is poor, and can not remotely control switching power unit, brings inconvenience to the use of people.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is intended to provide a kind of easy to use, the switching power unit of the air purifier that can remotely control Switching Power Supply.
For achieving the above object, this utility model adopts the following technical scheme that
A kind of switching power unit of air purifier, including rectifying and voltage-stabilizing module, PWM module, voltage changing module and switch module, the outfan of rectifying and voltage-stabilizing module is PWM module and voltage changing module is powered, PWM module is connected with voltage changing module by switch module, wherein PWM module is for controlling conducting and the cut-off of switch module, PWM module connects also by a control module a WIFI module, WIFI module is for receiving the control signal of outside mobile terminal, control module is used for receiving this control signal, thus PWM module is controlled, opto-coupled feedback module it is also associated with between power output end and PWM module, voltage changing module is opto-coupled feedback module for power supply by an ancillary coil T1.
Further; described opto-coupled feedback module includes fail-safe circuit and optocoupler; one end of fail-safe circuit is connected with the colelctor electrode of optical coupling secondary edges; the other end of fail-safe circuit is connected with the emitter stage of optical coupling secondary edges; one end of ancillary coil T1 is connected with voltage changing module, and the other end of ancillary coil T1 is connected with the colelctor electrode of optical coupling secondary edges.
Further; described fail-safe circuit includes a reference source chip U2, resistance R1 and resistance R2; the resistance R1 and resistance R2 of series connection it is connected between negative electrode and the anode of a reference source chip U2; the pole that controls of a reference source chip U2 is connected to resistance R1 and the series connection point of resistance R2, and the negative electrode of a reference source chip U2 and anode connect colelctor electrode and the emitter stage of optical coupling secondary edges respectively.
The beneficial effects of the utility model are as follows:
The switching power unit of this air purifier is easy to use, also can remotely control Switching Power Supply, and the security performance of this device is higher simultaneously.
Accompanying drawing explanation
Fig. 1 is the module map of the better embodiment of the switching power unit of this utility model air purifier.
Fig. 2 is the circuit diagram of the fail-safe circuit in this utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, this utility model is described further:
Refer to Fig. 1 and Fig. 2, this utility model relates to the switching power unit of a kind of air purifier, its better embodiment includes rectifying and voltage-stabilizing module, PWM module, voltage changing module and switch module, the outfan of rectifying and voltage-stabilizing module is PWM module and voltage changing module is powered, PWM module is connected with voltage changing module by switch module, wherein PWM module is for controlling conducting and the cut-off of switch module, PWM module connects also by a control module a WIFI module, WIFI module is for receiving the control signal of outside mobile terminal, control module is used for receiving this control signal, thus PWM module is controlled, opto-coupled feedback module it is also associated with between power output end and PWM module, voltage changing module is opto-coupled feedback module for power supply by an ancillary coil T1.
Outside mobile terminal can be mobile phone, notebook etc..By WIFI module, PWM module is controlled, the use of more convenient people so that people are optionally being turned on and off its switching power unit from air purifier place farther out.
Owing to opto-coupled feedback module is powered by ancillary coil T1 by voltage changing module, therefore need not external power supply, not only simplified power supply architecture, and decreased energy loss.Furthermore, rectifying and voltage-stabilizing module is used for connecting external ac power source AC, and external communication electricity obtains DC voltage after rectifying and voltage-stabilizing module.Concrete, rectifying and voltage-stabilizing module rectifying and voltage-stabilizing module has multiple implementation, this utility model embodiment use rectifier bridge connect the combination of filter capacitor, circuit structure is simply easily achieved, stabilivolt can be increased after filter capacitor and further voltage is carried out stable, it is ensured that the steady output of DC voltage.The DC voltage wherein exported is that PWM module is powered, and DC voltage becomes the required voltage of power output end (J1, J2) after voltage changing module, and this power output end J2 is opto-coupled feedback module for power supply by ancillary coil simultaneously.The voltage of outfan can be passed through opto-coupled feedback module feedback to PWM module by opto-coupled feedback module in real time, and then PWM module makes conciliation by controlling the pulsewidth width of oscillating voltage of voltage changing module with the voltage to outfan (J1, J2 terminal), it is achieved closed loop control.
Further; described opto-coupled feedback module includes fail-safe circuit and optocoupler; one end of fail-safe circuit is connected with the colelctor electrode of optical coupling secondary edges; the other end of fail-safe circuit is connected with the emitter stage of optical coupling secondary edges; one end of ancillary coil T1 is connected with voltage changing module, and the other end of ancillary coil T1 is connected with the colelctor electrode of optical coupling secondary edges.Further; described fail-safe circuit includes a reference source chip U2, resistance R1 and resistance R2; the resistance R1 and resistance R2 of series connection it is connected between negative electrode and the anode of a reference source chip U2; the pole that controls of a reference source chip U2 is connected to resistance R1 and the series connection point of resistance R2, and the negative electrode of a reference source chip U2 and anode connect colelctor electrode and the emitter stage of optical coupling secondary edges respectively.Wherein, a reference source chip U2 can be LM236 chip.
In the work process of the Switching Power Supply of air purifier, it may happen that the situation that optocoupler lost efficacy, opto-coupled feedback module is caused to disconnect, to the control voltage control variable of the outfan of the Switching Power Supply of air purifier for opened loop control, cause the output electric current of the outfan of the Switching Power Supply of air purifier persistently to raise and can not get controlling.Now; the two ends of a reference source chip U2 in fail-safe circuit form stable reference voltage; i.e. form stable voltage at the electrode of optocoupler and the two ends of emitter stage; so that the Switching Power Supply that PWM module can control air purifier has certain voltage output; and avoid being in opened loop control and persistently rising of output voltage, i.e. make to use safer.
For a person skilled in the art, can technical scheme as described above and design, make other various corresponding changes and deformation, and within all these changes and deformation all should belong to this utility model scope of the claims.
Claims (2)
1. the switching power unit of an air purifier, it is characterized in that, including rectifying and voltage-stabilizing module, PWM module, voltage changing module and switch module, the outfan of rectifying and voltage-stabilizing module is PWM module and voltage changing module is powered, PWM module is connected with voltage changing module by switch module, wherein PWM module is for controlling conducting and the cut-off of switch module, PWM module connects also by a control module a WIFI module, WIFI module is for receiving the control signal of outside mobile terminal, control module is used for receiving this control signal, thus PWM module is controlled, opto-coupled feedback module it is also associated with between power output end and PWM module, voltage changing module is opto-coupled feedback module for power supply by an ancillary coil T1.
2. the switching power unit of air purifier as claimed in claim 1; it is characterized in that: described opto-coupled feedback module includes fail-safe circuit and optocoupler; one end of fail-safe circuit is connected with the colelctor electrode of optical coupling secondary edges; the other end of fail-safe circuit is connected with the emitter stage of optical coupling secondary edges; one end of ancillary coil T1 is connected with voltage changing module, and the other end of ancillary coil T1 is connected with the colelctor electrode of optical coupling secondary edges；Described fail-safe circuit includes a reference source chip U2, resistance R1 and resistance R2; the resistance R1 and resistance R2 of series connection it is connected between negative electrode and the anode of a reference source chip U2; the pole that controls of a reference source chip U2 is connected to resistance R1 and the series connection point of resistance R2, and the negative electrode of a reference source chip U2 and anode connect colelctor electrode and the emitter stage of optical coupling secondary edges respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521143023.4U CN205610490U (en) | 2015-12-31 | 2015-12-31 | Switching power supply device of air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521143023.4U CN205610490U (en) | 2015-12-31 | 2015-12-31 | Switching power supply device of air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205610490U true CN205610490U (en) | 2016-09-28 |
Family
ID=56961012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521143023.4U Expired - Fee Related CN205610490U (en) | 2015-12-31 | 2015-12-31 | Switching power supply device of air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205610490U (en) |
-
2015
- 2015-12-31 CN CN201521143023.4U patent/CN205610490U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204349949U (en) | A kind of air conditioner and low standby power loss circuit thereof | |
| CN102404904B (en) | Control device of solar street lamp | |
| CN204103770U (en) | A kind of mobile phone small-power switching power-supply circuit | |
| CN205544520U (en) | Automatic energy -conserving charging circuit of pressure regulating | |
| CN205610490U (en) | Switching power supply device of air purifier | |
| CN203747679U (en) | Power adapter circuit resistant to high-frequency interference | |
| CN104216449B (en) | A kind of controllability alternating current steady voltage plug | |
| CN204836117U (en) | Intelligence switch power | |
| CN204376744U (en) | Reduce the circuit of electromagnetic oven power consumption | |
| CN204721240U (en) | Switching power supply circuit | |
| CN203166511U (en) | Simple single-live line remote control power supply circuit | |
| CN202979398U (en) | Emergency power supply circuit and lamp | |
| CN205453525U (en) | Novel gasoline engine rectification pressure regulating control circuit | |
| CN204633606U (en) | Based on the high power switching power supply of DSP | |
| CN207691525U (en) | A kind of supply unit | |
| CN203747705U (en) | Motor speed regulation and control circuit for crane running mechanism | |
| CN205750611U (en) | A kind of regulator control circuit | |
| CN204425197U (en) | For the electromagnetic interference denoising device of former limit sampling LED control system | |
| CN204928600U (en) | Interchange - direct current converting circuit | |
| CN205566256U (en) | Alternating load isolation control circuit | |
| CN205754995U (en) | A kind of low power switch power supply | |
| CN204761323U (en) | A turn over and swash formula switch circuit for battery management system | |
| CN204334334U (en) | A kind of small-power voltage-stabilized power supply circuit with overcurrent protection function | |
| CN208369903U (en) | LED intelligent light control system | |
| CN204481705U (en) | A kind of single live wire power getting device |
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: 20160928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |