CN217383266U - Air purifier control circuit - Google Patents
Air purifier control circuit Download PDFInfo
- Publication number
- CN217383266U CN217383266U CN202221370886.5U CN202221370886U CN217383266U CN 217383266 U CN217383266 U CN 217383266U CN 202221370886 U CN202221370886 U CN 202221370886U CN 217383266 U CN217383266 U CN 217383266U
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- China
- Prior art keywords
- contact
- normally open
- over switch
- alternating current
- air purifier
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Electrostatic Separation (AREA)
Abstract
The utility model discloses an air purifier control circuit, include: the device comprises a normally closed button, a normally open button, an alternating current contactor, a thermal relay normally closed contact, an indicator light and a load; still include change over switch, time relay, change over switch's contact 3 connects the L end of power, and normally closed button's one end is connected to change over switch's contact 1, and change over switch's contact 2 connection time relay, time relay's the other end N end of connecting the power, and the one end of the first normally open contact of time relay is connected between change over switch's contact 2 and time relay, and its other end is connected between the first normally open contact of ac contactor and pilot lamp. The utility model relates to an air purifier control circuit makes air purifier break away from the mode that relies on manual control completely, makes it have automatic control's function, has practiced thrift energy consumption, has prolonged life.
Description
Technical Field
The utility model belongs to the technical field of automatic control, especially, relate to an air purifier control circuit.
Background
In order to improve the working environment, the air purifier is arranged in a plurality of plants meeting the conditions, the air purifier is started and stopped, the operation is required to be carried out manually every day, and the mode completely depending on manual operation has certain defects: often appear because staff's carelessness forgets to turn off the power when next work, leads to the long-time unnecessary operation of air purifier, not only extravagant electric energy but also causes adverse effect to air purifier self life.
SUMMERY OF THE UTILITY MODEL
First, technical problem to be solved
The utility model provides an air purifier control circuit, its aim at: the air purifier gets rid of a mode completely depending on manual control, and has an automatic control function.
Second, technical scheme
In order to achieve the above object, the present invention adopts the following technical solutions, including:
the normally closed button, the normally open button, the alternating current contactor, the normally closed contact of the thermal relay, the indicator light and the load, wherein one end of the normally open button is connected with the normally closed button, the other end of the normally open button is connected with the alternating current contactor, the other end of the alternating current contactor is connected with the normally closed contact of the thermal relay, and the other end of the normally closed contact of the thermal relay is connected with the N end of the power supply; the first normally open contact of the alternating current contactor is connected with the normally open button in parallel, one end of the indicator lamp is connected between the normally open button and the alternating current contactor, and the other end of the indicator lamp is connected with the N end of the power supply; one end of the load is connected with the N end of the power supply, the other end of the load is connected with a second normally open contact of the alternating current contactor, and the other end of the second normally open contact of the alternating current contactor is connected with the L end of the power supply; still include change over switch, time relay, change over switch's contact 3 connects the L end of power, and normally closed button's one end is connected to change over switch's contact 1, and change over switch's contact 2 connection time relay, time relay's the other end N end of connecting the power, and the one end of the first normally open contact of time relay is connected between change over switch's contact 2 and time relay, and its other end is connected between the first normally open contact of ac contactor and pilot lamp.
Preferably, the transfer switch is a double throw transfer switch.
Further, the power supply is an alternating current 220V power supply.
Further, the load is an air purifier.
Third, beneficial effect
The utility model relates to an air purifier control circuit makes air purifier break away from the mode that relies on manual control completely, makes it have automatic control's function, has practiced thrift energy consumption, has prolonged life.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Fig. 2 is a schematic diagram of a control circuit of the original air purifier.
Detailed Description
In order to make the technical personnel in the field know the utility model clearly, firstly, a brief introduction is made to the original air purifier control circuit, as shown in fig. 2, the brief introduction comprises a normally closed button TA, a normally open button QA, an alternating current contactor KM, a normally closed contact RJ of a thermal relay, an indicator lamp D and a load FZ, the normally open button is pressed, the first normally open contact of the alternating current contactor is closed, the indicator lamp is on and self-protection is realized, the second normally open contact of the alternating current contactor is closed, and the load is started to run; when the normally closed button is pressed, the load stops running.
The present invention will be described in further detail with reference to the accompanying drawings, as shown in fig. 1, the present invention includes:
the device comprises a normally closed button TA, a normally open button QA, an alternating current contactor KM, a normally closed contact RJ of a thermal relay, an indicator lamp D and a load FZ, wherein one end of the normally open button is connected with the normally closed button, the other end of the normally open button is connected with the alternating current contactor, the other end of the alternating current contactor is connected with the normally closed contact of the thermal relay, and the other end of the normally closed contact of the thermal relay is connected with the N end of a power supply; the first normally-open contact KM-1 of the alternating current contactor is connected with the normally-open button in parallel, one end of the indicator lamp is connected between the normally-open button and the alternating current contactor, and the other end of the indicator lamp is connected with the N end of the power supply; one end of the load is connected with the N end of the power supply, the other end of the load is connected with a second normally open contact KM-2 of the alternating current contactor, and the other end of the second normally open contact of the alternating current contactor is connected with the L end of the power supply; still include change over switch SA, time relay SJ, change over switch's contact 3 connect source's L end, and change over switch's contact 1 connects normally closed button's one end, and change over switch's contact 2 connects time relay, and time relay's the other end connects power's N end, and the one end of the first normally open contact of time relay is connected between change over switch's contact 2 and time relay, and its other end is connected between the first normally open contact of ac contactor and pilot lamp.
Preferably, the transfer switch is a double throw transfer switch.
Further, the power supply is an alternating current 220V power supply.
Further, the load is an air purifier.
The utility model discloses a working process:
when the transfer switch SA is arranged at a manual position, namely a contact 3 of the transfer switch is connected with a contact 1, a normally open button is pressed, a first normally open contact of the alternating current contactor is closed, an indicator lamp is turned on and self-protection is realized, a second normally open contact of the alternating current contactor is closed, and a load starts to operate; when the normally closed button is pressed, the load stops running;
when the transfer switch SA is arranged at an automatic position, namely a contact 3 of the transfer switch is connected with a contact 2, when the starting time set by the time relay is up, the time relay is switched on, a first normally open contact of the time relay is closed, the alternating current contactor acts, the first normally open contact of the alternating current contactor is closed, the indicator lamp is on and self-protection is realized, a second normally open contact of the alternating current contactor is closed, and the load starts to operate; when the shutdown time set by the time relay reaches, the time relay is switched off, the first normally open contact of the time relay is switched off, the alternating current contactor is switched off, the first normally open contact and the second normally open contact of the alternating current contactor are both switched off, and the load stops running;
when the load is overheated in the operation process, the normally closed contact RJ of the thermal relay is disconnected, the load stops operating, and the thermal protection effect is achieved.
The utility model relates to an air purifier control circuit makes air purifier break away from the mode that relies on manual control completely, makes it have automatic control's function, has practiced thrift energy consumption, has prolonged life.
Claims (4)
1. A control circuit of an air purifier comprises a normally closed button (TA), a normally open button (QA), an alternating current contactor (KM), a normally closed contact (RJ) of a thermal relay, an indicator lamp (D) and a load (FZ), wherein one end of the normally open button is connected with the normally closed button, the other end of the normally open button is connected with the alternating current contactor, the other end of the alternating current contactor is connected with the normally closed contact of the thermal relay, and the other end of the normally closed contact of the thermal relay is connected with the N end of a power supply; a first normally open contact (KM-1) of the alternating current contactor is connected with a normally open button in parallel, one end of the indicator lamp is connected between the normally open button and the alternating current contactor, and the other end of the indicator lamp is connected with the N end of the power supply; one end of the load is connected with the N end of the power supply, the other end of the load is connected with a second normally open contact (KM-2) of the alternating current contactor, and the other end of the second normally open contact of the alternating current contactor is connected with the L end of the power supply; the method is characterized in that: still include change over Switch (SA), time relay (SJ), change over switch's contact 3 connects the L end of power, and normally closed button's one end is connected to change over switch's contact 1, and change over switch's contact 2 connects time relay, and time relay's the other end connects the N end of power, and the one end of the first normally open contact of time relay is connected between change over switch's contact 2 and time relay, and its other end is connected between the first normally open contact of ac contactor and pilot lamp.
2. The air purifier control circuit of claim 1, wherein: the change-over switch is a double-throw change-over switch.
3. The air purifier control circuit of claim 2, wherein: the power supply is an alternating current 220V power supply.
4. The air purifier control circuit of claim 1, 2 or 3, wherein: the load is an air purifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221370886.5U CN217383266U (en) | 2022-06-02 | 2022-06-02 | Air purifier control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221370886.5U CN217383266U (en) | 2022-06-02 | 2022-06-02 | Air purifier control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217383266U true CN217383266U (en) | 2022-09-06 |
Family
ID=83088913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221370886.5U Active CN217383266U (en) | 2022-06-02 | 2022-06-02 | Air purifier control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217383266U (en) |
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2022
- 2022-06-02 CN CN202221370886.5U patent/CN217383266U/en active Active
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