CN204481461U - A kind of compressor of air conditioner intelligent protection circuit - Google Patents
A kind of compressor of air conditioner intelligent protection circuit Download PDFInfo
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- CN204481461U CN204481461U CN201520067589.7U CN201520067589U CN204481461U CN 204481461 U CN204481461 U CN 204481461U CN 201520067589 U CN201520067589 U CN 201520067589U CN 204481461 U CN204481461 U CN 204481461U
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Abstract
The utility model discloses a kind of compressor of air conditioner intelligent protection circuit, comprise chip U1, chip U2, rectifier bridge Q, transformer T, fuse FU and relay K 1.(170V ~ 280V) can both by voltage stabilization at about 220V when mains fluctuation scope is very large for utility model compressor of air conditioner intelligent protection circuit; and circuit structure is simple, cost is low, and volume is little; miniaturization for air-conditioning plays an important role, and is applicable to very much promoting the use of.
Description
Technical field
The utility model relates to a kind of protective circuit, specifically a kind of compressor of air conditioner intelligent protection circuit.
Background technology
Compressor is as the most important part of air-conditioning, it safely and steadily runs, and Shi Ge great air-conditioning manufacturer always pays close attention to, but line voltage is fluctuation, higher or lower than 220V, life-span of compressor and operation stability are all had a great impact.Existing compressor of air conditioner protected mode adopts the mode of built-in pressurizer mostly, increases on the one hand the volume of air-conditioning, too increases cost on the other hand, and protected effect bad, and use for a long time, life-span and the performance of compressor reduce all greatly.
Utility model content
The purpose of this utility model is to provide the compressor of air conditioner intelligent protection circuit that a kind of structure is simple, cost is low, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of compressor of air conditioner intelligent protection circuit, comprise chip U1, chip U2, rectifier bridge Q, transformer T, fuse FU and relay K 1, described fuse FU one end connects 220V alternating current one end, the fuse FU other end connects compressor of air conditioner RL one end and transformer T coil L1 one end respectively, the transformer T coil L1 other end is connection transformer T coil L2 respectively, relay K 1 contact K1-1 pin 1 and the 220V alternating current other end, the described compressor of air conditioner RL other end connects relay K 1 contact K1-1 pin 3, relay K 1 contact K1-1 pin 2 connects relay K 2 contact K2-1 pin 3, relay K 2 contact K2-1 pin 1 is the connection transformer T coil L2 other end and transformer T coil L3 respectively, the transformer T coil L3 other end connects relay K 2 contact K2-1 pin 2, transformer T coil L4 two ends are connected respectively rectifier bridge Q pin 1 and pin 3, rectifier bridge Q pin 4 connects electric capacity C1 respectively, resistance R8, resistance R9, diode D3 positive pole, chip U2 pin 4, resistance R6 and triode VT2 emitter ground connection, triode VT2 base stage is the contact resistance R6 other end and resistance R5 respectively, the resistance R5 other end connects chip U2 pin 1, described triode VT2 collector electrode is contact resistance R7 and diode D2 positive pole respectively, the resistance R7 other end connects relay K 2 coil, described diode D2 negative pole connects the relay K 2 coil other end respectively, relay K 1 coil, diode D1 negative pole, chip U2 pin 8 and chip U1 pin 3, the relay K 1 coil other end connects diode D1 positive pole and triode VT1 collector electrode respectively, triode VT1 grounded emitter, triode VT1 base stage is contact resistance R4 and ground capacity C2 respectively, the resistance R4 other end connects chip U2 pin 7, chip U2 pin 2 is contact resistance R2 and the resistance R9 other end respectively, chip U2 pin 3 connects chip U2 pin 5 respectively, resistance R3 and diode D3 negative pole, chip U2 pin 6 is contact resistance R1 and the resistance R8 other end respectively, described chip U1 pin 2 ground connection, chip U1 pin 1 is the contact resistance R1 other end respectively, the resistance R2 other end, the resistance R3 other end, rectifier bridge Q pin 2 and the electric capacity C1 other end.
As further program of the utility model: described chip U1 model is 7806.
As the utility model further scheme: described chip U2 model is NE555.
Compared with prior art; the beneficial effects of the utility model are: (170V ~ 280V) can both by voltage stabilization at about 220V when mains fluctuation scope is very large for the utility model compressor of air conditioner intelligent protection circuit; and circuit structure is simple; cost is low; volume is little; miniaturization for air-conditioning plays an important role, and is applicable to very much promoting the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of compressor of air conditioner intelligent protection circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of compressor of air conditioner intelligent protection circuit, comprise chip U1, chip U2, rectifier bridge Q, transformer T, fuse FU and relay K 1, fuse FU one end connects 220V alternating current one end, the fuse FU other end connects compressor of air conditioner RL one end and transformer T coil L1 one end respectively, the transformer T coil L1 other end is connection transformer T coil L2 respectively, relay K 1 contact K1-1 pin 1 and the 220V alternating current other end, the compressor of air conditioner RL other end connects relay K 1 contact K1-1 pin 3, relay K 1 contact K1-1 pin 2 connects relay K 2 contact K2-1 pin 3, relay K 2 contact K2-1 pin 1 is the connection transformer T coil L2 other end and transformer T coil L3 respectively, the transformer T coil L3 other end connects relay K 2 contact K2-1 pin 2, transformer T coil L4 two ends are connected respectively rectifier bridge Q pin 1 and pin 3, rectifier bridge Q pin 4 connects electric capacity C1 respectively, resistance R8, resistance R9, diode D3 positive pole, chip U2 pin 4, resistance R6 and triode VT2 emitter ground connection, triode VT2 base stage is the contact resistance R6 other end and resistance R5 respectively, the resistance R5 other end connects chip U2 pin 1, triode VT2 collector electrode is contact resistance R7 and diode D2 positive pole respectively, the resistance R7 other end connects relay K 2 coil, diode D2 negative pole connects the relay K 2 coil other end respectively, relay K 1 coil, diode D1 negative pole, chip U2 pin 8 and chip U1 pin 3, the relay K 1 coil other end connects diode D1 positive pole and triode VT1 collector electrode respectively, triode VT1 grounded emitter, triode VT1 base stage is contact resistance R4 and ground capacity C2 respectively, the resistance R4 other end connects chip U2 pin 7, chip U2 pin 2 is contact resistance R2 and the resistance R9 other end respectively, chip U2 pin 3 connects chip U2 pin 5 respectively, resistance R3 and diode D3 negative pole, chip U2 pin 6 is contact resistance R1 and the resistance R8 other end respectively, chip U1 pin 2 ground connection, chip U1 pin 1 is the contact resistance R1 other end respectively, the resistance R2 other end, the resistance R3 other end, rectifier bridge Q pin 2 and the electric capacity C1 other end.
Chip U1 model is 7806.
Chip U2 model is NE555.
Operation principle of the present utility model is: when 220 alternating current line voltages are normal, because chip U2 pin 3 place voltage is always 3V, chip U2 pin 2 and pin 6 place voltage are all greater than 3V, therefore chip U2 output low level, when line voltage declines, the voltage of chip U2 pin 5 and pin 6 also declines thereupon, when chip U2 pin 6 voltage drop is to during lower than 3V, chip U1 exports high level, makes triode VT1 saturation conduction, relay K 1 adhesive, by transformer T pressure regulation to stable; Otherwise, if when voltage raises, chip U2 pin 2 voltage also increases, when chip U2 pin 2 voltage is higher than 3V, chip U2 output low level, VT2 ends, and relay K 2 discharges, by transformer T pressure regulation to stable; When line voltage continues to raise, chip U2 pin 6 voltage is higher than 3V, and chip U2 output low level, VT1 ends, and K1 discharges, by transformer T pressure regulation to stable.
Claims (3)
1. a compressor of air conditioner intelligent protection circuit, comprise chip U1, chip U2, rectifier bridge Q, transformer T, fuse FU and relay K 1, it is characterized in that, described fuse FU one end connects 220V alternating current one end, the fuse FU other end connects compressor of air conditioner RL one end and transformer T coil L1 one end respectively, the transformer T coil L1 other end is connection transformer T coil L2 respectively, relay K 1 contact K1-1 pin 1 and the 220V alternating current other end, the described compressor of air conditioner RL other end connects relay K 1 contact K1-1 pin 3, relay K 1 contact K1-1 pin 2 connects relay K 2 contact K2-1 pin 3, relay K 2 contact K2-1 pin 1 is the connection transformer T coil L2 other end and transformer T coil L3 respectively, the transformer T coil L3 other end connects relay K 2 contact K2-1 pin 2, transformer T coil L4 two ends are connected respectively rectifier bridge Q pin 1 and pin 3, rectifier bridge Q pin 4 connects electric capacity C1 respectively, resistance R8, resistance R9, diode D3 positive pole, chip U2 pin 4, resistance R6 and triode VT2 emitter ground connection, triode VT2 base stage is the contact resistance R6 other end and resistance R5 respectively, the resistance R5 other end connects chip U2 pin 1, described triode VT2 collector electrode is contact resistance R7 and diode D2 positive pole respectively, the resistance R7 other end connects relay K 2 coil, described diode D2 negative pole connects the relay K 2 coil other end respectively, relay K 1 coil, diode D1 negative pole, chip U2 pin 8 and chip U1 pin 3, the relay K 1 coil other end connects diode D1 positive pole and triode VT1 collector electrode respectively, triode VT1 grounded emitter, triode VT1 base stage is contact resistance R4 and ground capacity C2 respectively, the resistance R4 other end connects chip U2 pin 7, chip U2 pin 2 is contact resistance R2 and the resistance R9 other end respectively, chip U2 pin 3 connects chip U2 pin 5 respectively, resistance R3 and diode D3 negative pole, chip U2 pin 6 is contact resistance R1 and the resistance R8 other end respectively, described chip U1 pin 2 ground connection, chip U1 pin 1 is the contact resistance R1 other end respectively, the resistance R2 other end, the resistance R3 other end, rectifier bridge Q pin 2 and the electric capacity C1 other end.
2. compressor of air conditioner intelligent protection circuit according to claim 1, is characterized in that, described chip U1 model is 7806.
3. compressor of air conditioner intelligent protection circuit according to claim 1, is characterized in that, described chip U2 model is NE555.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520067589.7U CN204481461U (en) | 2015-01-31 | 2015-01-31 | A kind of compressor of air conditioner intelligent protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520067589.7U CN204481461U (en) | 2015-01-31 | 2015-01-31 | A kind of compressor of air conditioner intelligent protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204481461U true CN204481461U (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520067589.7U Expired - Fee Related CN204481461U (en) | 2015-01-31 | 2015-01-31 | A kind of compressor of air conditioner intelligent protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204481461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465375A (en) * | 2017-08-04 | 2017-12-12 | 寿涵红 | A kind of industrial motor control system |
-
2015
- 2015-01-31 CN CN201520067589.7U patent/CN204481461U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465375A (en) * | 2017-08-04 | 2017-12-12 | 寿涵红 | A kind of industrial motor 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: 20150715 Termination date: 20170131 |
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| CF01 | Termination of patent right due to non-payment of annual fee |