CN215336945U - Air conditioner standby low-power consumption control circuit and air conditioner - Google Patents
Air conditioner standby low-power consumption control circuit and air conditioner Download PDFInfo
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- CN215336945U CN215336945U CN202121190187.8U CN202121190187U CN215336945U CN 215336945 U CN215336945 U CN 215336945U CN 202121190187 U CN202121190187 U CN 202121190187U CN 215336945 U CN215336945 U CN 215336945U
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Abstract
The utility model is suitable for the field of air conditioners, and provides an air conditioner standby low-power-consumption control circuit and an air conditioner, wherein the air conditioner standby low-power-consumption control circuit comprises a power supply, an indoor unit control circuit, an outdoor unit control circuit and a communication circuit, wherein the communication circuit is connected with the indoor unit control circuit and the outdoor unit control circuit; the outdoor unit control circuit is characterized by further comprising a switch circuit which is located indoors and used for controlling the communication circuit and the outdoor unit control circuit to be switched on and off, wherein the switch circuit comprises a first relay and a thermistor which are arranged in series, and a second relay which is connected with the first relay and the thermistor in parallel. The switching circuit is arranged on the indoor unit, and when the air conditioner is converted into a standby state from operation, the first relay and the second relay are switched off, so that the communication circuit and the outdoor unit control circuit are completely powered off, and the standby power consumption of the air conditioner is reduced; only through the rectification and modification of the indoor unit circuit, the problem that the standby power consumption of the variable frequency air conditioner is high is solved under the condition that the cost of the air conditioner is not increased, and the service life of the air conditioner is prolonged.
Description
Technical Field
The utility model belongs to the field of air conditioners, and particularly relates to an air conditioner standby low-power-consumption control circuit and an air conditioner.
Background
The air conditioner is one of the most common household appliances in modern life, is widely applied and is applied to families, markets or office areas. Particularly, for office areas of shopping malls, the frequency conversion air conditioner is used most frequently, a frequency conversion air conditioner controller is divided into an indoor machine circuit and an outdoor machine circuit, and the indoor machine circuit and the outdoor machine circuit are provided with power supplies. In response to the national energy saving requirement, many air conditioning enterprises now change the linear power supply of the indoor unit circuit into the switching power supply to reduce the standby power of the power supply module. However, this only reduces the power standby power consumption of the indoor unit circuit, and the power consumption of the power supply and other working modules of the outdoor unit circuit of the inverter air conditioner is large.
In the existing air conditioner, a communication circuit is positioned in an indoor unit, when the air conditioner is in a standby state, although an outdoor unit does not work, the communication circuit, an outdoor unit circuit, a CPU or a memory are always in a working state, and a large electrolytic capacitor of the outdoor unit is always in a charging state, so that the power consumption is increased, components are damaged, and the service life of the air conditioner is influenced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a low-power-consumption control circuit for standby of an air conditioner, and aims to solve the problem that the standby power consumption of the existing variable-frequency air conditioner is high.
The embodiment of the utility model is realized by providing the air conditioner standby low-power-consumption control circuit, which comprises a power supply, an indoor unit control circuit, an outdoor unit control circuit and a communication circuit, wherein the indoor unit control circuit and the outdoor unit control circuit are connected with the anode and the cathode of the power supply; the air conditioner low-power consumption control circuit also comprises a switch circuit which is positioned indoors and connected with the power supply and is used for controlling the on-off of the communication circuit and the outdoor unit control circuit; the switching circuit comprises a first relay and a thermistor which are arranged in series, and a second relay connected with the first relay and the thermistor in parallel.
Furthermore, the current loop communication circuit comprises a first isolation circuit which is positioned indoors and connected with the indoor unit control circuit, a second isolation circuit which is positioned outdoors and connected with the outdoor unit control circuit and the first isolation circuit, and a voltage stabilizing and reducing circuit which is positioned outdoors and connected with the switch circuit.
Furthermore, the first contact terminals of the first relay and the second relay are connected with the power supply, the second contact terminal of the first relay is connected with the input end of the thermistor, and the second contact terminal of the second relay and the output end of the thermistor are connected with the voltage stabilizing and reducing circuit.
Furthermore, the first relay comprises a first switch and a first switch control circuit; the second relay comprises a second switch and a second switch control circuit.
Furthermore, the first switch control circuit and the second switch control circuit are both connected with the indoor unit control circuit, and the indoor unit control circuit controls the on-off of the first relay and the second relay.
Furthermore, the indoor unit control circuit comprises a first controller, which is used for controlling the first switch to be closed according to the starting signal, controlling the second switch to be closed within the preset time and controlling the first switch to be opened; and the second switch is controlled to be switched off according to the shutdown signal.
Furthermore, the outdoor unit control circuit comprises a large electrolytic capacitor and a second controller, wherein the second controller is connected with the first controller and controls the running state of the outdoor unit according to the signal of the first controller.
Still further, the first relay and the second relay are both medium power relays.
The embodiment also provides an air conditioner, which comprises an indoor unit, an outdoor unit and the air conditioner standby low-power consumption control circuit.
The standby low-power-consumption control circuit of the air conditioner comprises a power supply, an indoor unit control circuit, an outdoor unit control circuit and a communication circuit, wherein the indoor unit control circuit and the outdoor unit control circuit are connected with the anode and the cathode of the power supply; the air conditioner low-power consumption control circuit also comprises a switch circuit which is positioned indoors and connected with the power supply and is used for controlling the on-off of the communication circuit and the outdoor unit control circuit; the switching circuit comprises a first relay and a thermistor which are arranged in series, and a second relay connected with the first relay and the thermistor in parallel. The switching circuit is arranged on the indoor unit, and when the air conditioner is converted into a standby state from operation, the first relay and the second relay are switched off, so that the communication circuit and the outdoor unit control circuit are completely powered off, and the standby power consumption of the air conditioner is reduced; and only through the adjustment and modification of the indoor unit circuit and the adjustment of the control program, the problem of high standby power consumption of the variable frequency air conditioner, particularly a commercial one-to-one variable frequency air conditioner, is solved under the condition of not increasing the cost of the air conditioner, and the service life of the air conditioner is prolonged.
Drawings
FIG. 1 is a schematic diagram of a low power consumption control circuit for standby of an air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a switch circuit according to an embodiment of the utility model.
Description of the reference numerals
10. A power source; 20. an indoor unit control circuit; 30. an outdoor unit control circuit; 41. a first relay; 42. a second relay; 43. a thermistor; 50. a communication circuit; 51. a first isolation circuit; 52. a second isolation circuit; 53. a voltage stabilizing and reducing circuit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The switching circuit and the communication circuit of the standby low-power consumption control of the existing air conditioner are arranged on an outdoor unit, and in a standby state, the outdoor unit does not work, but a large electrolytic capacitor of the outdoor unit is always in a charging state, and the communication circuit and the outdoor unit control circuit are always in working states, so that the power consumption is increased, components are damaged, and the service life of the air conditioner is influenced.
The utility model provides a low-power consumption control circuit for air conditioner standby, which comprises a power supply 10, an indoor unit control circuit 20 and an outdoor unit control circuit 30 which are connected with the anode and the cathode of the power supply 10, and a communication circuit 50 which is connected with the indoor unit control circuit 10 and the outdoor unit control circuit 20; the air conditioner low-power consumption control circuit also comprises a switch circuit which is positioned indoors, is connected with the power supply 10 and is used for controlling the on-off of the communication circuit 50 and the outdoor unit control circuit 30; the switching circuit includes a first relay 41 and a thermistor 43 arranged in series, and a second relay 42 connected in parallel with the first relay 41 and the thermistor 43. By arranging the switch circuit on the indoor unit, when the air conditioner is converted into a standby state from operation, the first relay 41 and the second relay 42 are switched off, so that the communication circuit 50 and the outdoor unit control circuit 30 are completely powered off, and the standby power consumption of the air conditioner is reduced; the problem of high standby power consumption of the variable frequency air conditioner, particularly a commercial one-to-one variable frequency air conditioner, is solved only by adjusting and modifying the indoor unit circuit and adjusting the control program under the condition of not increasing the cost of the air conditioner, and the service life of the air conditioner is prolonged.
Example one
As shown in fig. 1 and fig. 2, the present embodiment provides an air conditioner standby low power consumption control circuit, which includes a power supply 10, an indoor unit control circuit 20 and an outdoor unit control circuit 30 connected to the positive and negative poles of the power supply 10, and a communication circuit 50 connecting the indoor unit control circuit 10 and the outdoor unit control circuit 20; the air conditioner low-power consumption control circuit also comprises a switch circuit which is positioned indoors, is connected with the power supply 10 and is used for controlling the on-off of the communication circuit 50 and the outdoor unit control circuit 30; the switching circuit includes a first relay 41 and a thermistor 43 arranged in series, and a second relay 42 connected in parallel with the first relay 41 and the thermistor 43.
In the present embodiment, the switch circuit is disposed indoors, and the stationary contact of the first relay 41 and the stationary contact of the second relay 42 are both connected to the live line of the commercial power. The first relay 41 is connected in series with the thermistor 43. The movable contact of the second relay 42 and the output end of the thermistor 43 are connected with the communication circuit 50, so as to control the on-off of the communication circuit 50 and the outdoor unit control circuit 30.
Specifically, when the air conditioner is shifted from the operation state to the standby state, the first relay 41 and the second relay 42 are turned off, and at this time, the outdoor unit control circuit 30 and the communication circuit 50 are all turned off.
When the air conditioner is changed from the standby state to the running state, the first relay 41 is firstly closed to be electrified, the large electrolytic capacitor of the outdoor unit control circuit 30 is charged through the thermistor, then the second relay 42 is closed, after the second relay 42 is closed, the first relay 41 and the thermistor 43 are in short circuit, the current supplies power to the communication circuit 50 and the outdoor unit control circuit 30 through the second relay 42, and the signal of the indoor unit control circuit 20 is received to further control the normal running of the outdoor unit. In the embodiment of the present invention, compared with the prior art, the switching circuit is disposed in the indoor unit, and the first relay 41 is connected in series with the thermistor 43, when the air conditioner is switched from the operation state to the standby state, the first relay 41 and the second relay 42 are turned off, so that the communication circuit 50 and the outdoor unit control circuit 30 are completely powered off, and the standby power consumption of the air conditioner is reduced; and only through the adjustment and modification of the indoor unit circuit and the adjustment of the control program, the problem of high standby power consumption of the variable frequency air conditioner, particularly a commercial one-to-one variable frequency air conditioner, is solved under the condition of not increasing the cost of the air conditioner, and the service life of the air conditioner is prolonged.
Example II
In addition to the first embodiment, the present embodiment provides a low power consumption control circuit for an air conditioner, wherein the current loop communication circuit 50 includes a first isolation circuit 51 located indoors and connected to the indoor unit control circuit 20, a second isolation circuit 52 located outdoors and connected to the outdoor unit control circuit 30 and the first isolation circuit 51, and a voltage stabilizing and dropping circuit 53 located outdoors and connected to the switch circuit.
In this embodiment, the first isolation circuit 51 is connected to the indoor unit control circuit 20 for isolating the strong current and the weak current of the indoor unit control circuit 20, the input terminal of the first isolation circuit 51 is connected to the indoor unit control circuit 20, and the output terminal of the first isolation circuit 51 is connected to the second isolation circuit 52 and the ground. The second isolation circuit 52 is used to isolate the strong current and the weak current of the outdoor unit control circuit 30. The voltage stabilizing and reducing control circuit 53 is used for supplying power to the communication circuit 50, the input end of the voltage stabilizing and reducing circuit 53 is connected with the switch circuit, and the output end of the voltage stabilizing and reducing circuit is connected with the second isolating circuit 52.
After the communication circuit 50 is powered on, the voltage stabilizing and reducing circuit 53 is powered on, and then current flows through the first isolation circuit 51, the second isolation circuit 52 and returns to the voltage stabilizing and reducing circuit 53 to form a loop.
In this embodiment, the voltage stabilizing and reducing circuit 53 is disposed in the outdoor unit, and when the air conditioner is switched from the operation state to the standby state, the first relay 41 and the second relay 42 are turned off, so that the communication circuit 50 is completely powered off, and compared with the conventional communication circuit 53 which is disposed in the indoor unit and is constantly in the working state, the standby power consumption of the air conditioner is further reduced.
Further, first contact terminals of the first relay 41 and the second relay 42 are connected to the power supply 10, a second contact terminal of the first relay 41 is connected to an input terminal of the thermistor 43, and a second contact terminal of the second relay 42 and an output terminal of the thermistor 43 are connected to the voltage stabilizing and dropping circuit 53.
In the present embodiment, the first contact terminals are the stationary contacts of the first relay 41 and the second relay 42, and the second contact terminals are the movable contacts of the first relay 41 and the second relay 42. Or the first contact terminal is a moving contact of the first relay 41 and the second relay 42, and the second contact terminal is a stationary contact of the first relay 41 and the second relay 42. The first contact terminal is a stationary contact of the first relay 41 and is a movable contact of the second relay 42, and the second contact terminal is a movable contact of the first relay 41 and is a stationary contact of the second relay 42. The present embodiment is not particularly limited.
When the air conditioner is switched from the standby state to the running state, the first relay 41 is firstly closed to be electrified, the large electrolytic capacitor of the outdoor unit is charged through the thermistor 43, after the charging is finished, the second relay 42 is closed, the first relay 41 and the thermistor 43 are in short circuit, and the current is directly supplied to the communication circuit 50 through the second relay 42 and the voltage stabilizing and reducing circuit 53.
Further, the first relay 41 includes a first switch and a first switch control circuit; the second relay 42 includes a second switch and a second switch control circuit.
In this embodiment, the first switch control circuit and the second switch control circuit are both connected to the indoor unit control circuit 20, and the indoor unit control circuit 20 controls on/off of the first relay 41 and the second relay 42.
Further, the indoor unit control circuit 20 includes a first controller, configured to control the first switch to be turned on according to the power-on signal, control the second switch to be turned on within a preset time, and control the first switch to be turned off; and the second switch is controlled to be switched off according to the shutdown signal.
In this embodiment, the first controller is configured to receive a signal from the remote controller, control the first switch to be closed when receiving the power-on signal, control the second switch to be closed when a predetermined time is reached, and control the first switch to be opened at the same time to establish communication with the outdoor unit. And controls the second switch to be switched off according to the remote controller shutdown signal, and at this time, the communication circuit 50 and the outdoor unit control circuit 20 are completely powered off.
Further, the outdoor unit control circuit 20 includes a large electrolytic capacitor and a second controller, and the second controller is connected to the first controller and controls the operation of the outdoor unit according to a signal of the first controller.
In this embodiment, the operation state and various operation parameters of the outdoor unit are controlled according to the requirement. The second controller is connected with the first controller and used for receiving signals of the first controller, the first controller is used for receiving signals of the remote controller, when the starting-up signals are received, the first switch is controlled to be closed, and after the preset time is reached, namely the large electrolytic capacitor is fully charged, the second switch is controlled to be closed, and meanwhile the first switch is controlled to be opened. At this time, the current switching communication circuit 50 is electrified with the outdoor unit control circuit 30, the first controller and the second controller establish communication, the energy requirement is calculated according to the requirement set by the user and the current environment temperature, the energy requirement is sent to the outdoor unit, and the outdoor unit controls the running state and parameters of the outdoor unit according to the energy requirement.
After receiving a shutdown instruction of the remote controller, the first controller controls the outdoor unit to be closed, and then controls the second switch to be switched off, so that the communication circuit and the outdoor unit circuit are completely powered off, and the standby power consumption of the air conditioner is reduced.
Further, the first relay 41 is a low power relay, and the second relay 42 is a high power relay.
In the present embodiment, the first relay 41 is connected in series with the thermistor 43, and after the second relay 42 is closed, the first relay 41 and the thermistor 43 are short-circuited, and the current preferentially passes through the second relay 42, so that the first relay 41 only needs to satisfy the current for charging the large electrolytic capacitor, and therefore, the first relay is a low-power relay. The second relay 42 is used to carry the current for normal operation of the air conditioner, and therefore, a high-power relay is used. The embodiment only needs one low-power relay and is improved by a simple circuit, and the cost of the air conditioner is further reduced on the basis of reducing the standby power consumption. In this embodiment, the operating principle of the air conditioner low power consumption control circuit is as follows: the first controller of the indoor unit obtains the starting signal of the remote controller, controls the first relay 41 to be closed, and controls the second relay 42 to be closed and the first relay 41 to be disconnected after the preset time is reached, namely the large electrolytic capacitor of the outdoor unit is fully charged, and at the moment, the communication circuit 50 and the control circuit 30 of the outdoor unit supply power. The outdoor unit control circuit 30 establishes communication with the indoor unit control circuit 20, calculates energy demand according to the temperature set by the user and the indoor ambient temperature, and transmits the energy demand to the outdoor unit. The second controller of the indoor unit obtains the shutdown signal of the remote controller, controls the outdoor unit to be closed, and then controls the second relay 42 to be disconnected, at this time, the first relay 41 and the second relay 42 are disconnected, so that the outdoor unit control circuit 30 and the current loop communication circuit 50 are completely powered off.
Compared with the existing commercial air conditioner, when the commercial air conditioner is in standby, the communication circuit 50 and the outdoor unit control circuit 30 are always in the power-on state, the air conditioner low-power consumption control circuit of the embodiment, through setting the switch circuit in the indoor unit, when the air conditioner is converted into the standby state from the operation state, the first relay 41 and the second relay 42 are disconnected, so that the communication circuit 50 and the outdoor unit control circuit 30 are completely powered off, and the standby power consumption of the air conditioner is reduced; and only through the adjustment and modification of the indoor unit circuit and the adjustment of the control program, the problem of high standby power consumption of the variable frequency air conditioner, particularly a commercial one-to-one variable frequency air conditioner, is solved under the condition of not increasing the cost of the air conditioner, and the service life of the air conditioner is prolonged.
EXAMPLE III
This embodiment provides an air conditioner, including indoor set, off-premises station and foretell air conditioner await the opportune moment low-power consumption control circuit, this air conditioner awaits the opportune moment low-power consumption control circuit as above, and this embodiment is not repeated.
In the air conditioner of the embodiment, the switch circuit is arranged in the indoor unit, and when the air conditioner is switched from the running state to the standby state, the first relay 41 and the second relay 42 are switched off, so that the outdoor unit control circuit 30 and the communication circuit 50 are completely powered off, and compared with the existing air conditioner in standby state, the communication circuit 50 and the outdoor unit control circuit 30 are always in the powered state, so that the standby power consumption is reduced; when the operation state is switched, the first relay 41 is closed to charge the large capacitor of the outdoor unit, and then the second relay 42 is closed to supply power to the communication circuit 50, and the outdoor unit starts to operate. The air conditioner of the embodiment solves the problem of high standby power consumption of the variable frequency air conditioner, particularly a commercial one-to-one variable frequency air conditioner, only by adjusting the indoor unit circuit and adjusting the control program without increasing the cost of the air conditioner, and prolongs the service life of the air conditioner.
According to the air conditioner standby low-power consumption control circuit, the switch circuit is arranged on the indoor unit, and when the air conditioner is converted into the standby state from the operation state, the first relay and the second relay are switched off, so that the communication circuit and the outdoor unit control circuit are completely powered off, and the standby power consumption of the air conditioner is reduced; in addition, the problem of high standby power consumption of the variable frequency air conditioner, particularly a commercial one-to-one variable frequency air conditioner, is solved only by adjusting and modifying the indoor unit circuit and adjusting the control program under the condition of not increasing the cost of the air conditioner, and the service life of the air conditioner is prolonged.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A standby low-power consumption control circuit of an air conditioner is characterized in that,
the standby low-power-consumption control circuit of the air conditioner comprises a power supply, an indoor unit control circuit and an outdoor unit control circuit which are connected with the anode and the cathode of the power supply, and a communication circuit which is connected with the indoor unit control circuit and the outdoor unit control circuit;
the air conditioner low-power consumption control circuit also comprises a switch circuit which is positioned indoors and connected with the power supply and is used for controlling the on-off of the communication circuit and the outdoor unit control circuit; the switching circuit comprises a first relay and a thermistor which are arranged in series, and a second relay connected with the first relay and the thermistor in parallel.
2. The air conditioner standby low power consumption control circuit according to claim 1,
the communication circuit comprises a first isolating circuit which is positioned indoors and connected with the indoor unit control circuit, a second isolating circuit which is positioned outdoors and connected with the outdoor unit control circuit and the first isolating circuit, and a voltage stabilizing and reducing circuit which is positioned outdoors and connected with the switch circuit.
3. The air conditioner standby low power consumption control circuit according to claim 2,
the first contact terminals of the first relay and the second relay are connected with the power supply, the second contact terminal of the first relay is connected with the input end of the thermistor, and the second contact terminal of the second relay and the output end of the thermistor are connected with the voltage stabilizing and reducing circuit.
4. The air conditioner standby low power consumption control circuit according to claim 1,
the first relay comprises a first switch and a first switch control circuit; the second relay comprises a second switch and a second switch control circuit.
5. The air conditioner standby low power consumption control circuit according to claim 4,
the first switch control circuit and the second switch control circuit are both connected with the indoor unit control circuit, and the indoor unit control circuit controls the on-off of the first relay and the second relay.
6. The air conditioner standby low power consumption control circuit according to claim 4,
the indoor unit control circuit comprises a first controller, a second controller and a first switch, wherein the first controller is used for controlling the first switch to be closed according to a starting signal, controlling the second switch to be closed within a preset time and controlling the first switch to be opened; and the second switch is controlled to be switched off according to the shutdown signal.
7. The air conditioner standby low power consumption control circuit according to claim 6,
the outdoor unit control circuit comprises a large electrolytic capacitor and a second controller, wherein the second controller is connected with the first controller and controls the running state of the outdoor unit according to signals of the first controller.
8. The air conditioner standby low power consumption control circuit according to claim 1,
the first relay is a low-power relay, and the second relay is a high-power relay.
9. An air conditioner, comprising an indoor unit, an outdoor unit and the standby low power consumption control circuit of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121190187.8U CN215336945U (en) | 2021-05-28 | 2021-05-28 | Air conditioner standby low-power consumption control circuit and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121190187.8U CN215336945U (en) | 2021-05-28 | 2021-05-28 | Air conditioner standby low-power consumption control circuit and air conditioner |
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| CN215336945U true CN215336945U (en) | 2021-12-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115247870A (en) * | 2022-05-31 | 2022-10-28 | 浙江中广电器集团股份有限公司 | Air conditioner and energy-saving operation control method thereof |
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2021
- 2021-05-28 CN CN202121190187.8U patent/CN215336945U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115247870A (en) * | 2022-05-31 | 2022-10-28 | 浙江中广电器集团股份有限公司 | Air conditioner and energy-saving operation control method thereof |
| CN115247870B (en) * | 2022-05-31 | 2023-09-08 | 浙江中广电器集团股份有限公司 | Air conditioner and energy-saving operation control method thereof |
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