CN203858468U - Air conditioner standby power consumption control circuit and air conditioner - Google Patents
Air conditioner standby power consumption control circuit and air conditioner Download PDFInfo
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- CN203858468U CN203858468U CN201420216932.5U CN201420216932U CN203858468U CN 203858468 U CN203858468 U CN 203858468U CN 201420216932 U CN201420216932 U CN 201420216932U CN 203858468 U CN203858468 U CN 203858468U
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Abstract
The utility model discloses an air conditioner standby power consumption control circuit and an air conditioner. The air conditioner standby power consumption control circuit comprises a power supply, a switching circuit, a motor driving board, an MCU which is used for controlling the switching circuit to be a switched off state in the standby state of the air conditioner so as to disconnect the input of standby voltage outputted by the power supply to the motor driving board, an isolating circuit used for isolating the MCU and the switching circuit, and a working voltage input end which is used for providing working voltage for the isolating circuit; the switching circuit is connected between the power supply and the motor driving board; a control signal output end of the MCU is connected with a control end of the switching circuit through the isolating circuit; and the working voltage input end is connected with the isolating circuit. With the air conditioner standby power consumption control circuit of the utility model adopted, standby voltage of the air conditioner will not generate power consumption on the motor driving board, and therefore, an energy-saving property of the air conditioner can be realized.
Description
Technical field
The utility model relates to air conditioner technical field, particularly a kind of standby power consumption control circuit of air conditioner and air conditioner.
Background technology
At present, the energy saving of air conditioner is an important topic in air conditioner research, and air conditioner is when holding state, the 15V standby voltage that the power supply of air conditioner is exported is except the stand-by operation for air conditioner, the standby voltage of this 15V also can export the motor drive plate of air conditioner to through corresponding voltage-stabilizing device simultaneously, make the standby voltage of this 15V on motor drive plate, produce corresponding power consumption, thereby make the energy saving of air conditioner not high.
Utility model content
Fundamental purpose of the present utility model is to provide a kind of standby power consumption control circuit of air conditioner, is intended to reduce the stand-by power consumption of air conditioner, realizes energy-conservation object.
In order to achieve the above object, the utility model proposes a kind of standby power consumption control circuit of air conditioner, the standby power consumption control circuit of this air conditioner comprises power supply, on-off circuit, motor drive plate, for controlling described on-off circuit when the air conditioner holding state, is off-state, inputs to the MCU of described motor drive plate, for buffer circuit that described MCU and described on-off circuit are isolated and be used to described buffer circuit that the operating voltage input end of operating voltage is provided to disconnect standby voltage that described power supply exported; Wherein,
Described on-off circuit is connected between described power supply and described motor drive plate; The control signal output terminal of described MCU is connected with the control end of described on-off circuit through described buffer circuit; Described operating voltage input end is connected with described buffer circuit.
Preferably, the standby power consumption control circuit of described air conditioner also comprises mu balanced circuit, and described mu balanced circuit is connected between described on-off circuit and described motor drive plate.
Preferably, described buffer circuit comprises the first resistance, the second resistance, the 3rd resistance, the first triode and photoelectrical coupler; Wherein,
The first end of described the first resistance is connected with described operating voltage input end, the anodic bonding of light emitting diode in the second end of described the first resistance and described photoelectrical coupler; In described photoelectrical coupler, the negative electrode of light emitting diode is connected with the collector of described the first triode, and in described photoelectrical coupler, the collector of triode is connected with described on-off circuit, the grounded emitter of triode in described photoelectrical coupler; The grounded emitter of described the first triode, the base stage of described the first triode is connected with the control signal output terminal of described MCU through described the second resistance, and the base stage of described the first triode is also through described the 3rd resistance eutral grounding.
Preferably, described on-off circuit comprises the 4th resistance, the 5th resistance, the 6th resistance and the second triode; Wherein,
Described the 4th resistance is in parallel with described the 5th resistance, and one end is connected with the collector of triode in described photoelectrical coupler, and the other end is connected with the first end of described the 6th resistance with the base stage of described the second triode respectively; The second end of described the 6th resistance is connected with the emitter of described the second triode, and the emitter of described the second triode is also connected with described power supply; The collector of described the second triode is connected with described mu balanced circuit.
Preferably, described mu balanced circuit comprises the first electric capacity, the second electric capacity, electrochemical capacitor and voltage stabilizer; Wherein,
The power input of described voltage stabilizer is connected with the collector of described the second triode, and the power output end of described voltage stabilizer is connected with described motor drive plate, the ground end ground connection of described voltage stabilizer; The first end of described the first electric capacity is connected with the power input of described voltage stabilizer, the second end ground connection of described the first electric capacity; The first end of described the second electric capacity is connected with the power output end of described voltage stabilizer, the second end ground connection of described the second electric capacity; The positive pole of described electrochemical capacitor is connected with the power output end of described voltage stabilizer, the minus earth of described electrochemical capacitor.
Preferably, described the first triode in described buffer circuit is NPN triode.
Preferably, described the second triode in described on-off circuit is PNP triode.
The utility model also proposes a kind of air conditioner, this air conditioner comprises standby power consumption control circuit, described standby power consumption control circuit comprises power supply, on-off circuit, motor drive plate, for controlling described on-off circuit when the air conditioner holding state, is off-state, inputs to the MCU of described motor drive plate, for buffer circuit that described MCU and described on-off circuit are isolated and be used to described buffer circuit that the operating voltage input end of operating voltage is provided to disconnect standby voltage that described power supply exported; Wherein,
Described on-off circuit is connected between described power supply and described motor drive plate; The control signal output terminal of described MCU is connected with the control end of described on-off circuit through described buffer circuit; Described operating voltage input end is connected with described buffer circuit.
The standby power consumption control circuit of the air conditioner the utility model proposes, comprise power supply, on-off circuit, motor drive plate, for controlling on-off circuit when the air conditioner holding state, be off-state, the standby voltage of being exported when the air conditioner holding state with deenergization inputs to the MCU of motor drive plate, for buffer circuit that MCU and on-off circuit are isolated and be used to buffer circuit that the operating voltage input end of operating voltage is provided.Wherein, on-off circuit is connected between power supply and motor drive plate, and the control signal output terminal of MCU is connected with the control end of on-off circuit through buffer circuit.The utility model is due to when the air conditioner holding state, by MCU, exporting corresponding control signal gauge tap circuit is off-state, the standby voltage that power supply is exported when air conditioner holding state can not input to the motor drive plate of air conditioner, thereby avoided this standby voltage to produce power consumption on motor drive plate, thereby reduced the stand-by power consumption of air conditioner, realized energy-conservation object.
Accompanying drawing explanation
Fig. 1 is the circuit structure block diagram of the standby power consumption control circuit of the utility model air conditioner;
Fig. 2 is the circuit structure diagram of the standby power consumption control circuit of the utility model air conditioner.
The realization of the utility model object, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model proposes a kind of standby power consumption control circuit of air conditioner.Fig. 1 is the circuit structure block diagram of the standby power consumption control circuit of the utility model air conditioner.
With reference to Fig. 1, the standby power consumption control circuit of the present embodiment air conditioner comprises power supply 101, on-off circuit 102, motor drive plate 103, MCU104, buffer circuit 105, operating voltage input end 106 and mu balanced circuit 107.Wherein, on-off circuit 102 is connected between power supply 101 and the input end of mu balanced circuit 107, and the output terminal of mu balanced circuit 107 is connected with motor drive plate 103, and the control signal output terminal of MCU104 is connected with the control end of on-off circuit 102 through buffer circuit 105; Operating voltage input end 106 is connected with buffer circuit 105.
Particularly, buffer circuit 105 is for isolating MCU104 and on-off circuit 102, and the present embodiment is isolated MCU104 and on-off circuit 102 by photoelectrical coupler, and this buffer circuit 105 plays jamproof effect; Operating voltage input end 106 is used to buffer circuit 105 that operating voltage is provided.When air conditioner holding state, MCU104 output in the present embodiment controls signal to the control end of on-off circuit 102 accordingly, gauge tap circuit 102 is off-state, the standby voltage that power supply 101 is exported when air conditioner holding state can not input to the motor drive plate 103 of air conditioner, thereby avoided above-mentioned standby voltage to produce power consumption on motor drive plate 103, thereby reduced the stand-by power consumption of air conditioner, realized energy-conservation object.
The standby power consumption control circuit of the air conditioner the utility model proposes, comprise power supply, on-off circuit, motor drive plate, for controlling on-off circuit when the air conditioner holding state, be off-state, the standby voltage of being exported when the air conditioner holding state with deenergization inputs to the MCU of motor drive plate, for buffer circuit that MCU and on-off circuit are isolated and be used to buffer circuit that the operating voltage input end of operating voltage is provided.Wherein, on-off circuit is connected between power supply and motor drive plate, and the control signal output terminal of MCU is connected with the control end of on-off circuit through buffer circuit.
The utility model is due to when the air conditioner holding state, by MCU, exporting corresponding control signal gauge tap circuit is off-state, the standby voltage that power supply is exported when air conditioner holding state can not input to the motor drive plate of air conditioner, thereby avoided this standby voltage to produce power consumption on motor drive plate, thereby reduced the stand-by power consumption of air conditioner, realized energy-conservation object.
Fig. 2 is the circuit structure diagram of the standby power consumption control circuit of the utility model air conditioner.
With reference to Fig. 2, the standby power consumption control circuit of the air conditioner in the present embodiment comprises power supply 201, on-off circuit 202, motor drive plate 203, MCU204, buffer circuit 205, operating voltage input end 206 and mu balanced circuit 207.Wherein, on-off circuit 202 is connected between power supply 201 and the input end of mu balanced circuit 207, and the output terminal of mu balanced circuit 207 is connected with motor drive plate 203, and the control signal output terminal of MCU204 is connected with the control end of on-off circuit 202 through buffer circuit 205; Operating voltage input end 206 is connected with buffer circuit 205.In the present embodiment, the voltage of operating voltage input end 206 can be 11V, and electric current is 1.2A, and the standby voltage that power supply 201 is exported when air conditioner holding state is 15V.
Buffer circuit 205 in the present embodiment comprises the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the first triode Q1 and photoelectrical coupler OC.The first triode Q1 in the present embodiment is NPN triode;
Particularly, the first end of the first resistance R 1 is connected with operating voltage input end 206, the anodic bonding of light emitting diode in the second end of the first resistance R 1 and photoelectrical coupler OC; In photoelectrical coupler OC, the negative electrode of light emitting diode is connected with the collector of the first triode Q1, and in photoelectrical coupler OC, the collector of triode is connected with on-off circuit 202, the grounded emitter of triode in photoelectrical coupler OC; The grounded emitter of the first triode Q1, the base stage of the first triode Q1 is connected with the control signal output terminal of MCU204 through the second resistance R 2, and the base stage of the first triode Q1 is also through the 3rd resistance R 3 ground connection.Buffer circuit 205 in the present embodiment is for Anti-Jamming.
On-off circuit 202 in the present embodiment comprises the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6 and the second triode Q2.The second triode Q2 in the present embodiment is PNP triode;
Particularly, the 4th resistance R 4 is in parallel with the 5th resistance R 5, in the photoelectrical coupler OC of the 4th resistance R 4 and one end after the 5th resistance R 5 parallel connections and buffer circuit 205, the collector of triode is connected, and the 4th resistance R 4 is connected with the first end of the 6th resistance R 6 with the base stage of the second triode Q2 respectively with the other end after the 5th resistance R 5 parallel connections; The second end of the 6th resistance R 6 is connected with the emitter of the second triode Q2, and the emitter of the second triode Q2 is also connected with power supply 201; The collector of the second triode Q2 is connected with mu balanced circuit 207.
Mu balanced circuit 207 in the present embodiment comprises the first capacitor C 1, the second capacitor C 2, electrochemical capacitor E1 and voltage stabilizer 2071.
Particularly, the power input Vin of voltage stabilizer 2071 is connected with the collector of the second triode Q2 in on-off circuit 202, and the power output end Vout of voltage stabilizer 2071 is connected with motor drive plate 203, the ground end GND ground connection of voltage stabilizer 2071; The first end of the first capacitor C 1 is connected with the power input Vin of voltage stabilizer 2071, the second end ground connection of the first capacitor C 1; The first end of the second capacitor C 2 is connected with the power output end Vout of voltage stabilizer 2071, the second end ground connection of the second capacitor C 2; The positive pole of electrochemical capacitor E1 is connected with the power output end Vout of voltage stabilizer 2071, the minus earth of electrochemical capacitor E1.
The principle of work of the standby power consumption control circuit of the air conditioner in the present embodiment specifically describes as follows: when air conditioner is during in holding state, the standby voltage of power supply 201 output 15V, the base stage that controls signal to the first triode Q1 of the control signal output terminal output low level of MCU204 now, make the first triode Q1 in cut-off state, thereby photoelectrical coupler OC is in cut-off state, the cut-off of photoelectrical coupler OC also ends the second triode Q2, when the second triode Q2 cut-off, the 15V standby voltage that power supply 201 is exported can not input to voltage stabilizer 2071, thereby voltage stabilizer 2071 is not worked, thereby the 15V standby voltage that power supply 201 is exported when air conditioner holding state can not input to the motor drive plate 203 of air conditioner, thereby avoided the standby voltage of this 15V to produce power consumption on motor drive plate 203, thereby reduced the stand-by power consumption of air conditioner, realized energy-conservation object.The present embodiment is when air conditioner is during in normal work, the base stage that controls signal to the first triode Q1 of the control signal output terminal output high level of MCU204, make the first triode Q1 conducting, thereby photoelectrical coupler OC conducting, the conducting of photoelectrical coupler OC makes the second also conducting of triode Q2, thereby make the 15V voltage that power supply 201 is exported can normally input to motor drive plate 203 through voltage stabilizer 2071, air conditioner is normally worked.
The standby power consumption control circuit of the air conditioner the utility model proposes, comprise power supply, on-off circuit, motor drive plate, for controlling on-off circuit when the air conditioner holding state, be off-state, the standby voltage of being exported when the air conditioner holding state with deenergization inputs to the MCU of motor drive plate, for buffer circuit that MCU and on-off circuit are isolated and be used to buffer circuit that the operating voltage input end of operating voltage is provided.Wherein, on-off circuit is connected between power supply and motor drive plate, and the control signal output terminal of MCU is connected with the control end of on-off circuit through buffer circuit.The utility model is due to when the air conditioner holding state, by MCU, exporting corresponding control signal gauge tap circuit is off-state, the standby voltage that power supply is exported when air conditioner holding state can not input to the motor drive plate of air conditioner, thereby avoided this standby voltage to produce power consumption on motor drive plate, thereby reduced the stand-by power consumption of air conditioner, realized energy-conservation object.
The utility model also proposes a kind of air conditioner, this air conditioner comprises standby power consumption control circuit, the circuit structure of this standby power consumption control circuit and circuit working principle are identical with circuit structure and the circuit working principle of the standby power consumption control circuit of air conditioner described in embodiment above, repeat no more herein.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (8)
1. the standby power consumption control circuit of an air conditioner, it is characterized in that, comprise power supply, on-off circuit, motor drive plate, for controlling described on-off circuit when the air conditioner holding state, be off-state, to disconnect standby voltage that described power supply exported, input to the MCU of described motor drive plate, for buffer circuit that described MCU and described on-off circuit are isolated and be used to described buffer circuit that the operating voltage input end of operating voltage is provided; Wherein,
Described on-off circuit is connected between described power supply and described motor drive plate; The control signal output terminal of described MCU is connected with the control end of described on-off circuit through described buffer circuit; Described operating voltage input end is connected with described buffer circuit.
2. the standby power consumption control circuit of air conditioner according to claim 1, is characterized in that, also comprises mu balanced circuit, and described mu balanced circuit is connected between described on-off circuit and described motor drive plate.
3. the standby power consumption control circuit of air conditioner according to claim 2, is characterized in that, described buffer circuit comprises the first resistance, the second resistance, the 3rd resistance, the first triode and photoelectrical coupler; Wherein,
The first end of described the first resistance is connected with described operating voltage input end, the anodic bonding of light emitting diode in the second end of described the first resistance and described photoelectrical coupler; In described photoelectrical coupler, the negative electrode of light emitting diode is connected with the collector of described the first triode, and in described photoelectrical coupler, the collector of triode is connected with described on-off circuit, the grounded emitter of triode in described photoelectrical coupler; The grounded emitter of described the first triode, the base stage of described the first triode is connected with the control signal output terminal of described MCU through described the second resistance, and the base stage of described the first triode is also through described the 3rd resistance eutral grounding.
4. the standby power consumption control circuit of air conditioner according to claim 3, is characterized in that, described on-off circuit comprises the 4th resistance, the 5th resistance, the 6th resistance and the second triode; Wherein,
Described the 4th resistance is in parallel with described the 5th resistance, and one end is connected with the collector of triode in described photoelectrical coupler, and the other end is connected with the first end of described the 6th resistance with the base stage of described the second triode respectively; The second end of described the 6th resistance is connected with the emitter of described the second triode, and the emitter of described the second triode is also connected with described power supply; The collector of described the second triode is connected with described mu balanced circuit.
5. the standby power consumption control circuit of air conditioner according to claim 4, is characterized in that, described mu balanced circuit comprises the first electric capacity, the second electric capacity, electrochemical capacitor and voltage stabilizer; Wherein,
The power input of described voltage stabilizer is connected with the collector of described the second triode, and the power output end of described voltage stabilizer is connected with described motor drive plate, the ground end ground connection of described voltage stabilizer; The first end of described the first electric capacity is connected with the power input of described voltage stabilizer, the second end ground connection of described the first electric capacity; The first end of described the second electric capacity is connected with the power output end of described voltage stabilizer, the second end ground connection of described the second electric capacity; The positive pole of described electrochemical capacitor is connected with the power output end of described voltage stabilizer, the minus earth of described electrochemical capacitor.
6. the standby power consumption control circuit of air conditioner according to claim 5, is characterized in that, described the first triode in described buffer circuit is NPN triode.
7. the standby power consumption control circuit of air conditioner according to claim 6, is characterized in that, described the second triode in described on-off circuit is PNP triode.
8. an air conditioner, is characterized in that, comprises the standby power consumption control circuit of the air conditioner described in any one in claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420216932.5U CN203858468U (en) | 2014-04-29 | 2014-04-29 | Air conditioner standby power consumption control circuit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420216932.5U CN203858468U (en) | 2014-04-29 | 2014-04-29 | Air conditioner standby power consumption control circuit and air conditioner |
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| CN203858468U true CN203858468U (en) | 2014-10-01 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066364A (en) * | 2015-08-27 | 2015-11-18 | 广东美的制冷设备有限公司 | Air conditioner and standby control system thereof |
| CN110176883A (en) * | 2019-06-04 | 2019-08-27 | 珠海格力电器股份有限公司 | DC motor control circuit |
| CN112671273A (en) * | 2019-10-16 | 2021-04-16 | 美的威灵电机技术（上海）有限公司 | Switch circuit, motor control system and dust catcher |
| CN112701903A (en) * | 2021-01-22 | 2021-04-23 | Oppo广东移动通信有限公司 | Control circuit, switching power supply and electronic equipment |
| WO2021103100A1 (en) * | 2019-11-29 | 2021-06-03 | 苏州贝昂科技有限公司 | Control method for power consumption control apparatus |
-
2014
- 2014-04-29 CN CN201420216932.5U patent/CN203858468U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066364A (en) * | 2015-08-27 | 2015-11-18 | 广东美的制冷设备有限公司 | Air conditioner and standby control system thereof |
| CN105066364B (en) * | 2015-08-27 | 2017-12-12 | 广东美的制冷设备有限公司 | Air conditioner and its standby control system |
| CN110176883A (en) * | 2019-06-04 | 2019-08-27 | 珠海格力电器股份有限公司 | DC motor control circuit |
| CN112671273A (en) * | 2019-10-16 | 2021-04-16 | 美的威灵电机技术（上海）有限公司 | Switch circuit, motor control system and dust catcher |
| WO2021103100A1 (en) * | 2019-11-29 | 2021-06-03 | 苏州贝昂科技有限公司 | Control method for power consumption control apparatus |
| CN112701903A (en) * | 2021-01-22 | 2021-04-23 | Oppo广东移动通信有限公司 | Control circuit, switching power supply and electronic equipment |
| CN112701903B (en) * | 2021-01-22 | 2022-03-18 | Oppo广东移动通信有限公司 | Control circuit, switching power supply and electronic equipment |
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