CN216977105U - Air conditioner and control device thereof - Google Patents
Air conditioner and control device thereof Download PDFInfo
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- CN216977105U CN216977105U CN202122978621.5U CN202122978621U CN216977105U CN 216977105 U CN216977105 U CN 216977105U CN 202122978621 U CN202122978621 U CN 202122978621U CN 216977105 U CN216977105 U CN 216977105U
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Abstract
The utility model provides an air conditioner and a control device thereof, comprising: the main working module is used for supplying power to a power utilization load when the power utilization load of the electric controller meets the power supply requirement; the low-power consumption power supply control module is used for outputting a voltage control signal to control the size of an external alternating current power supply when an electric controller of the air conditioner is in a standby state so as to reduce the direct current power supply, wherein the low-power consumption power supply control module comprises: the device comprises a zero-crossing detection module, a direct-current voltage detection module, a power supply control module and a control circuit module. According to the utility model, by arranging the low-power-consumption power supply control module, when the electric controller is in a standby state, the conduction angle of the power supply control module is controlled through the voltage control signal of the control circuit module, the size of an external alternating current power supply is controlled, and a controllable alternating current power supply is formed, so that the standby loss of the electric controller is reduced, and therefore, the seasonal energy efficiency ratio is improved when the seasonal energy efficiency of the whole machine is calculated.
Description
Technical Field
The utility model relates to the technical field of air conditioners, in particular to an air conditioner and a control device thereof.
Background
In the related art, an ac power supply charges a capacitor through a rectifying device after passing through a current-limiting resistor to obtain a stable dc voltage, and then the dc voltage is converted into a low voltage required by the circuit operation through a power conversion device, and the low voltage is supplied to a control circuit device to enable the control circuit to operate normally.
However, when the capacitor is charged, since the capacitor is generally a high-voltage aluminum electrolytic capacitor, which has a certain leakage current, the higher the voltage, the larger the leakage current, that is, the larger the loss, therefore, the higher the voltage input by the power conversion device, the larger the loss, and the magnitude of the input voltage of the power conversion device depends on the value of the external ac power supply, so that the input voltage of the power conversion device cannot be actively reduced.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art.
Therefore, a first object of the present invention is to provide a control device for an air conditioner, which includes a low power consumption power control module, and when an electric controller is in a standby state, controls a conduction angle of the power control module through a voltage control signal output by a control circuit module, and controls a magnitude of an external ac power to form a controllable ac power, so as to reduce standby loss of the electric controller, thereby improving a seasonal energy efficiency ratio when calculating seasonal energy efficiency of the whole air conditioner.
Therefore, the second purpose of the utility model is to provide an air conditioner.
In order to achieve the above object, a first aspect of the present invention provides a control apparatus for an air conditioner, the apparatus including: the main working module is used for supplying power to the power utilization load when the power utilization load of the air conditioner electric controller has a power supply requirement; the low power consumption power supply control module is connected with the main working module and used for outputting a voltage control signal to control the size of an external alternating current power supply when the electric controller is in a standby state so as to reduce a direct current power supply, wherein the low power consumption power supply control module comprises: the system comprises a zero-crossing detection module, a power supply module and a control module, wherein a first end of the zero-crossing detection module is connected with a live wire of an external alternating current power supply, and a second end of the zero-crossing detection module is connected with a zero line of the external alternating current power supply and is used for converting the external alternating current power supply into a low-voltage signal; one end of the direct-current voltage detection module is connected with the main working module and used for outputting a voltage detection signal; the first end and the second end of the power supply control module are connected with a live wire of the external alternating current power supply; the low-voltage signal port of the control circuit module is connected with the third end of the zero-crossing detection module, the voltage detection port of the control circuit module is connected with the other end of the direct-current voltage detection module, the control port of the control circuit module is connected with the third end of the power supply control module, and the control circuit module is used for outputting the voltage control signal according to the low-voltage signal, the target voltage signal and the voltage detection signal and controlling the conduction angle of the power supply control module.
According to the control device of the air conditioner, the low-power-consumption power supply control module is arranged, when the electric controller is in a standby state, the conduction angle of the power supply control module is controlled through the voltage control signal output by the control circuit module, the size of an external alternating current power supply is controlled, and the controllable alternating current power supply is formed, so that the direct current power supply is reduced, the standby loss of the electric controller is reduced, and the seasonal energy efficiency ratio is improved when the seasonal energy efficiency of the whole machine is calculated.
In some embodiments, the power control module comprises: the first end and the second end of the first optical coupler are connected to the two ends of a live wire of an external alternating current power supply, the third end of the first optical coupler is connected with a control port of the control circuit module, and the fourth end of the first optical coupler is connected with a first direct current power supply.
In some embodiments, the first optocoupler is configured as a thyristor.
In some embodiments, the zero crossing detection module comprises: one end of the first resistor is connected with a live wire of the external alternating current power supply, and one end of the second resistor is connected with a zero line of the external alternating current power supply; a cathode of the first diode is connected with the other end of the first resistor, and an anode of the first diode is connected with the other end of the second resistor; a first end of the second optical coupler is connected with a cathode of the first diode, a second end of the second optical coupler is connected with an anode of the first diode, a third end of the second optical coupler is grounded, and a fourth end of the second optical coupler is connected with a low-voltage signal port of the control circuit module; and one end of the third resistor is connected with a second direct-current power supply, and the other end of the third resistor is connected with a low-voltage signal port of the control circuit module.
In some embodiments, the dc voltage detection module includes: one end of the fourth resistor is connected with the main working module, and the other end of the fourth resistor is connected with a voltage detection port of the control circuit module; and one end of the fifth resistor is connected with the other end of the fourth resistor, and the other end of the fifth resistor is grounded.
In some embodiments, the master work module comprises: the starting module is connected with the main working module; the first end of the rectifying module is connected with a zero line of the external alternating current power supply, and the third end of the rectifying module is connected with a live wire of the external alternating current power supply and is used for converting the external alternating current power supply into the direct current power supply; one end of the high-voltage energy storage module is connected with the second end of the rectification module, and the other end of the high-voltage energy storage module is connected with the fourth end of the rectification module and used for converting the direct-current power supply into a high-voltage direct-current power supply; and the power supply conversion module is connected with the high-voltage energy storage module and used for outputting a low-voltage direct-current power supply to supply power to the control circuit module.
In some embodiments, the start module includes: one end of the first relay is connected with a live wire of the external alternating current power supply, and the other end of the first relay is connected with a second end of the first optocoupler; and one end of the current-limiting resistor is connected with the other end of the first relay, and the other end of the current-limiting resistor is connected with the third end of the rectifying module.
In some embodiments, the high voltage energy storage module comprises: and one end of the energy storage capacitor is connected with the second end of the rectifying module, and the other end of the energy storage capacitor is connected with the fourth end of the rectifying module.
In some embodiments, the control apparatus of an air conditioner further includes: and one end of the second relay is connected with the first end of the first optocoupler, and the other end of the second relay is connected with the other end of the current-limiting resistor.
In order to achieve the above object, a second aspect of the present invention provides an air conditioner, which includes the control device of the air conditioner of the above embodiment.
According to the air conditioner provided by the embodiment of the utility model, the low-power-consumption power supply control module is arranged, when the electric controller is in a standby state, the conduction angle of the power supply control module is controlled through the voltage control signal output by the control circuit module, the size of an external alternating current power supply is controlled, and a controllable alternating current power supply is formed, so that a direct current power supply is reduced, the standby loss of the electric controller is reduced, and the seasonal energy efficiency ratio is improved when the seasonal energy efficiency of the whole machine is calculated.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic circuit configuration diagram of a control apparatus of an air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic circuit configuration diagram of a control apparatus of an air conditioner according to an embodiment of the present invention;
FIG. 3 is a pulse diagram of a power control module according to one embodiment of the utility model;
FIG. 4 is a pulse diagram of various voltage signals according to one embodiment of the present invention;
fig. 5 is a block diagram of an air conditioner according to an embodiment of the present invention.
Reference numerals: a control device 1 of an air conditioner; a zero-crossing detection module 12; a control circuit module 13; a direct-current voltage detection module 14; a power supply control module 15; a start module 16; a rectification module 17; a high voltage energy storage module 18; a power conversion module 19; an air conditioner 2.
Detailed Description
Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.
A control device of an air conditioner according to an embodiment of the present invention will be described with reference to fig. 1 to 4.
Fig. 1 is a schematic diagram of a circuit structure of a control device of an air conditioner according to an embodiment of the present invention, and as shown in fig. 1, the control device 1 of the air conditioner according to the embodiment of the present invention includes a main operation module 10 and a low power consumption power control module 11, where the main operation module 10 is used for supplying power to a power consumption load when the power consumption load of an electric controller of the air conditioner has a power supply demand; the low-power-consumption power supply control module 11 is connected with the main working module and used for outputting a voltage control signal to control the size of an external alternating current power supply when the electric controller is in a standby state so as to reduce the direct current power supply.
Specifically, as shown in fig. 2, the low power consumption power control module includes: the system comprises a zero-crossing detection module 12, a control circuit module 13, a direct-current voltage detection module 14 and a power control module 15, wherein a first end of the zero-crossing detection module 12 is connected with a live wire of an external alternating-current power supply VAC, and a second end of the zero-crossing detection module 12 is connected with a zero line of the external alternating-current power supply VAC and used for converting the external alternating-current power supply VAC into a low-voltage signal PV 0; one end of the direct current voltage detection module 14 is connected to the main working module, and is configured to output a voltage detection signal PVDC 0; the first end and the second end of the power control module 15 are connected with a live wire of an external alternating current power supply VAC; a low-voltage signal port of the control circuit module 13 is connected to the third end of the zero-cross detection module 12, a voltage detection port of the control circuit module 13 is connected to the other end of the dc voltage detection module 14, a control port of the control circuit module 13 is connected to the third end of the power control module 15, and the control circuit module 13 is configured to output a voltage control signal PC0 according to the low-voltage signal PV0, the target voltage signal and the voltage detection signal PVDC0, and is configured to control a conduction angle of the power control module 15.
In the embodiment, as shown in fig. 1 and 2, when the air conditioner normally operates, the external ac power VAC supplies power to the electric load of the electric controller through the main operating module 10, so that the electric load can be used to perform normal start or stop operation.
When the normal work of the electric controller is finished, the whole air conditioner is shut down to be in a standby state, at the moment, the low-power-consumption power supply control module starts to work, after the low-power-consumption standby state is entered, the low-power-consumption power supply control module outputs a voltage control signal to control the conduction angle of the power supply control module 15 so as to control the size of an external alternating current power supply VAC and form a controllable alternating current power supply, so that the size of the direct current power supply VDB1 is reduced, the purpose of reducing the direct current power supply VDB1 is achieved, the standby loss is reduced, and the seasonal energy efficiency ratio is improved when the seasonal energy efficiency of the whole air conditioner is calculated.
For example, as shown in fig. 1 and fig. 2, when the low power consumption power control module 11 is in operation, the external ac power VAC passes through the zero-crossing detection module 12 to form a low voltage signal PVO; direct current power supply VDB1 obtains voltage detection signal PVDCO through direct current voltage detection module 14, and with this signal transmission to control circuit module 13, control circuit module 13 is according to low voltage signal PVDCO target voltage signal and voltage detection signal PVDCO output voltage control signal PC0, with the conduction angle of control power supply control module 15, because power control module 15 includes first opto-coupler B2, when control circuit module 13's control port sent the trigger pulse signal, first opto-coupler B2 switches on, because first opto-coupler B2's conduction angle is controllable, consequently, through the conduction angle of control first opto-coupler B2, realize external alternating current signal's control, thereby make different conduction angles correspond different direct current power supply VDB1, thereby, when reducing direct current power supply VDB1, the standby loss has been reduced.
According to the control device 1 of the air conditioner, the low-power-consumption power supply control module is arranged, when the electric controller is in a standby state, the conduction angle of the power supply control module is controlled through the voltage control signal output by the control circuit module, the size of an external alternating current power supply is controlled, and the controllable alternating current power supply is formed, so that the direct current power supply is reduced, the standby loss of the electric controller is reduced, and the seasonal energy efficiency ratio is improved when the seasonal energy efficiency of the whole machine is calculated.
In some embodiments, as shown in fig. 2, the power control module 15 includes: first opto-coupler B2, first end and the second end of first opto-coupler B2 are connected in the both ends of the live wire of external alternating current power supply VAC, and first opto-coupler B2's third end is connected with control circuit module 13's control port PC0, and first opto-coupler B2's fourth end is connected with first direct current power supply VDD. Specifically, the first optocoupler B2 is an optocoupler controlled silicon controlled rectifier, and is controlled by the control circuit module 13, and the control of the dc power supply VDB1 is realized by controlling the conduction angle of the optocoupler controlled rectifier. In other words, when the control port of the control circuit module 13 sends a trigger pulse, the optocoupler silicon controlled rectifier B2 is turned on, and the external ac power supply VAC charges the energy storage capacitor through the current limiting resistor RT0 and the rectifying module 17, and since the conduction angle of the silicon controlled rectifier is controlled, the dc power supply VDB1 on the energy storage capacitor corresponding to different conduction angles is different, thereby realizing the control of the dc power supply VDB 1.
In some embodiments, as shown in fig. 2, the zero crossing detection module 12 includes: the circuit comprises a first resistor R1 and a second resistor R2, wherein one end of the first resistor R1 is connected with a live wire of an external alternating current power supply VAC, and one end of the second resistor R2 is connected with a zero wire of the external alternating current power supply VAC; a first diode D1, a cathode of the first diode D1 is connected to the other end of the first resistor R1, and an anode of the first diode D1 is connected to the other end of the second resistor R2; a first end of a second optical coupler B1 is connected with a cathode of a first diode D1, a second end of the second optical coupler B1 is connected with an anode of a first diode D1, a third end of the second optical coupler B1 is grounded, and a fourth end of the second optical coupler B1 is connected with a low-voltage signal port of the control circuit module 13; one end of a third resistor R3, the third resistor R3 is connected to the second dc power supply VCC, and the other end of the third resistor R3 is connected to the low-voltage signal port PV0 of the control circuit module 13. Specifically, an external alternating current power supply VAC is subjected to voltage reduction and current limitation through a first resistor R1 and a second resistor R2, then forms an external alternating current power supply zero-crossing signal through a first diode D1 and a second optocoupler B1, and a receiving end of the second optocoupler B1 is pulled up through a third resistor R3, so that a low-voltage signal PV0 is formed.
In some embodiments, as shown in fig. 2, the dc voltage detection module 14 includes: one end of a fourth resistor R4 is connected with the main working module 10, and the other end of the fourth resistor R4 is connected with a voltage detection port PVDC0 of the control circuit module 13; one end of the fifth resistor R5 and one end of the fifth resistor R5 are connected with the other end of the fourth resistor R4, and the other end of the fifth resistor R5 is grounded. Specifically, the dc power supply VDB1 is a high voltage signal, which is divided by the fourth resistor R4 and the fifth resistor R5 to obtain a low voltage signal PVDC0, i.e., a voltage detection signal, and the voltage detection signal is input to the control circuit module 13.
In some embodiments, as shown in FIG. 2, the primary work module 10, includes: the starting module 16, the starting module 16 is connected with the main working module 10; the first end of the rectifying module 17 is connected with a zero line of an external alternating current power supply, and the third end of the rectifying module 17 is connected with a live wire of the external alternating current power supply and used for converting the external alternating current power supply into a direct current power supply; one end of the high-voltage energy storage module 18 is connected with the second end of the rectification module 17, and the other end of the high-voltage energy storage module 18 is connected with the fourth end of the rectification module 17, and is used for converting a direct-current power supply into a high-voltage direct-current power supply; and the power conversion module 19 is connected with the high-voltage energy storage module 18 and is used for outputting a low-voltage direct-current power supply to supply power to the control circuit module 13.
In the embodiment, in the working process of the air conditioner, the external ac power VAC forms a full rectified wave current signal after passing through the rectifying module 17, and becomes the dc power supply VDB1 after passing through the high voltage energy storage module 18, the dc power supply VDB1 is a high voltage dc signal, and the dc power supply VDB1 generates the low voltage power VCC and VDD through the power conversion module 19 to supply power to the control circuit module 13.
In some embodiments, as shown in FIG. 2, the activation module 16 includes: one end of a first relay K2 is connected with a live wire of an external alternating current power supply VAC, and the other end of the first relay K2 is connected with a second end of a first optocoupler B2; and one end of a current-limiting resistor RT0 and a current-limiting resistor RT0 is connected with the other end of the first relay K2, and the other end of the current-limiting resistor RT0 is connected with the third end of the rectifier module 17.
In some embodiments, the high voltage energy storage module 18, includes: one end of the energy storage capacitor C1, one end of the energy storage capacitor C1 is connected to the second end of the rectifier module 17, and one end of the energy storage capacitor C1 is connected to the fourth end of the rectifier module 17.
In some embodiments, the control device 1 of an air conditioner further includes: and one end of a second relay K1, one end of a second relay K1 is connected with the first end of a first optocoupler B2, and the other end of a second relay K1 is connected with the other end of a current-limiting resistor RT 0.
For example, as shown in fig. 3, a pulse diagram of a power control module according to an embodiment of the utility model is shown. Before the external alternating-current power supply VAC is powered on, the first relay K2 of the starting module 16 is closed, the second relay K1 is disconnected, the external alternating-current power supply VAC passes through the current-limiting resistor RT0 and then forms a full-wave rectification signal through the rectification module 17, and the full-wave rectification signal is converted into a direct-current power supply VDB1 through the energy-storage capacitor C1 of the high-voltage energy-storage module 18, and the direct-current power supply VDB1 generates low-voltage power supplies VCC and VDD through the power conversion module 19 so as to enable the control circuit module 13 to work.
When the first relay K2 is closed for a first preset time, for example, t1 time, it is considered that the energy storage capacitor C1 is fully charged, and the voltage value thereof is close to the peak value, for example, when the external ac power supply VAC is 220V, and the voltage when the energy storage capacitor C1 is fully charged is 310V, when the time for closing the first relay K2 reaches a second preset time, for example, t2 time, the operation of the starting module 16 has been completed, the first relay K2 is opened, the second relay K1 is closed, and at this time, various electric loads of the electric controller may be controlled to be started or stopped normally.
In the embodiment of the present invention, the entire low power consumption power supply control module 11 will be described. Referring to fig. 1 and 2, when the standby mode is started, the second relay K1 is turned off, the control circuit module 13 sets a target voltage signal, such as VDC0set, to the voltage of the energy storage capacitor C1, and reads the voltage detection signal PVDCO at the voltage detection signal port to control the voltage control signal PC0, so as to make the conduction angle of the power control module 15 different, thereby controlling the magnitude of the dc power supply VDB1, so as to make the voltage detection signal PVDCO approach the target voltage signal VDC0 set.
Fig. 4 is a schematic diagram of pulses of various voltage signals according to an embodiment of the present invention. The rising edge and the falling edge of the low-voltage signal PV0 generated by the zero-crossing detection module 12 are both 0 degree of the external alternating-current power supply VAC, and are used for providing reference time for the voltage control signal PC0, the control circuit module 13 forms the voltage control signal PC0 according to the difference between the voltage detection signal PVDCO and the target voltage signal VDC0set, and when the voltage detection signal PVDCO is smaller than the target voltage signal VDC0set, the time t3 is reduced, and the conduction is advanced; when the voltage detection signal PVDCO is greater than the target voltage signal VDC0set, the time t3 is prolonged to delay the conduction, and when the target voltage signal VDC0set is set to 100V, the dc power supply VDB1 is controlled to 100V after the low standby power consumption is achieved.
According to the control device 1 of the air conditioner, the low-power-consumption power supply control module is arranged, when the electric controller is in a standby state, the conduction angle of the power supply control module is controlled through the voltage control signal output by the control circuit module, the size of an external alternating current power supply is controlled, and the controllable alternating current power supply is formed, so that the direct current power supply is reduced, the standby loss of the electric controller is reduced, and the seasonal energy efficiency ratio is improved when the seasonal energy efficiency of the whole machine is calculated.
An air conditioner according to an embodiment of the present invention is described below.
As shown in fig. 5, an air conditioner 2 of an embodiment of the present invention includes the control device 1 of the air conditioner of the above embodiment.
According to the air conditioner 2 provided by the embodiment of the utility model, the low-power-consumption power supply control module is arranged, when the electric controller is in a standby state, the conduction angle of the power supply control module is controlled through the voltage control signal output by the control circuit module, the size of an external alternating current power supply is controlled, and a controllable alternating current power supply is formed, so that a direct current power supply is reduced, the standby loss of the electric controller is reduced, and the seasonal energy efficiency ratio is improved when the seasonal energy efficiency of the whole machine is calculated.
Other configurations and operations of the air conditioner according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A control apparatus of an air conditioner, comprising:
the main working module is used for supplying power to the power utilization load when the power utilization load of the air conditioner electric controller meets the power supply requirement;
the low power consumption power supply control module is connected with the main working module and used for outputting a voltage control signal to control the size of an external alternating current power supply when the electric controller is in a standby state so as to reduce a direct current power supply, wherein the low power consumption power supply control module comprises: the first end of the zero-crossing detection module is connected with a live wire of the external alternating current power supply, and the second end of the zero-crossing detection module is connected with a zero line of the external alternating current power supply and is used for converting the external alternating current power supply into a low-voltage signal;
one end of the direct-current voltage detection module is connected with the main working module and used for outputting a voltage detection signal;
the first end and the second end of the power supply control module are connected with a live wire of the external alternating current power supply;
the low-voltage signal port of the control circuit module is connected with the third end of the zero-crossing detection module, the voltage detection port of the control circuit module is connected with the other end of the direct-current voltage detection module, the control port of the control circuit module is connected with the third end of the power supply control module, and the control circuit module is used for outputting the voltage control signal according to the low-voltage signal, the target voltage signal and the voltage detection signal and controlling the conduction angle of the power supply control module.
2. The control apparatus of an air conditioner according to claim 1, wherein the power control module comprises:
the first end and the second end of the first optical coupler are connected to the two ends of a live wire of an external alternating current power supply, the third end of the first optical coupler is connected with a control port of the control circuit module, and the fourth end of the first optical coupler is connected with a first direct current power supply.
3. The control device of the air conditioner according to claim 2, wherein the first optocoupler is configured as a thyristor.
4. The control apparatus of an air conditioner according to claim 1, wherein the zero-cross detection module includes:
one end of the first resistor is connected with a live wire of the external alternating current power supply, and one end of the second resistor is connected with a zero line of the external alternating current power supply;
a cathode of the first diode is connected with the other end of the first resistor, and an anode of the first diode is connected with the other end of the second resistor;
a first end of the second optical coupler is connected with a cathode of the first diode, a second end of the second optical coupler is connected with an anode of the first diode, a third end of the second optical coupler is grounded, and a fourth end of the second optical coupler is connected with a low-voltage signal port of the control circuit module;
and one end of the third resistor is connected with a second direct-current power supply, and the other end of the third resistor is connected with a low-voltage signal port of the control circuit module.
5. The control device of an air conditioner according to claim 1, wherein the dc voltage detection module includes:
one end of the fourth resistor is connected with the main working module, and the other end of the fourth resistor is connected with a voltage detection port of the control circuit module;
and one end of the fifth resistor is connected with the other end of the fourth resistor, and the other end of the fifth resistor is grounded.
6. The control apparatus of an air conditioner according to claim 2, wherein the main operation module includes:
the starting module is connected with the main working module;
the first end of the rectifying module is connected with a zero line of the external alternating current power supply, and the third end of the rectifying module is connected with a live wire of the external alternating current power supply and is used for converting the external alternating current power supply into the direct current power supply;
one end of the high-voltage energy storage module is connected with the second end of the rectification module, and the other end of the high-voltage energy storage module is connected with the fourth end of the rectification module and used for converting the direct-current power supply into a high-voltage direct-current power supply;
and the power supply conversion module is connected with the high-voltage energy storage module and used for outputting a low-voltage direct-current power supply to supply power to the control circuit module.
7. The control device of an air conditioner according to claim 6, wherein the starting module comprises:
one end of the first relay is connected with a live wire of the external alternating current power supply, and the other end of the first relay is connected with a second end of the first optocoupler;
and one end of the current-limiting resistor is connected with the other end of the first relay, and the other end of the current-limiting resistor is connected with the third end of the rectifying module.
8. The control device of an air conditioner according to claim 7, wherein the high voltage energy storage module includes:
and one end of the energy storage capacitor is connected with the second end of the rectifying module, and the other end of the energy storage capacitor is connected with the fourth end of the rectifying module.
9. The control device of an air conditioner according to claim 8, further comprising:
and one end of the second relay is connected with the first end of the first optocoupler, and the other end of the second relay is connected with the other end of the current-limiting resistor.
10. An air conditioner characterized by comprising the air conditioner control device as recited in any one of claims 1 to 9.
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| PCT/CN2022/103178 WO2023093055A1 (en) | 2021-11-26 | 2022-06-30 | Air conditioner and control method therefor |
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| CN114001439A (en) * | 2021-11-30 | 2022-02-01 | 海信（广东）空调有限公司 | Air conditioner and control device and method thereof |
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| CN114001439A (en) * | 2021-11-30 | 2022-02-01 | 海信（广东）空调有限公司 | Air conditioner and control device and method thereof |
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