WO2021109343A1 - 控制电路、空调器和控制方法 - Google Patents

控制电路、空调器和控制方法 Download PDF

Info

Publication number
WO2021109343A1
WO2021109343A1 PCT/CN2020/077212 CN2020077212W WO2021109343A1 WO 2021109343 A1 WO2021109343 A1 WO 2021109343A1 CN 2020077212 W CN2020077212 W CN 2020077212W WO 2021109343 A1 WO2021109343 A1 WO 2021109343A1
Authority
WO
WIPO (PCT)
Prior art keywords
module
control
switch
pressure detection
detection module
Prior art date
Application number
PCT/CN2020/077212
Other languages
English (en)
French (fr)
Inventor
郑俊超
Original Assignee
广东美的暖通设备有限公司
美的集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广东美的暖通设备有限公司, 美的集团股份有限公司 filed Critical 广东美的暖通设备有限公司
Priority to EP20896008.8A priority Critical patent/EP3992551A4/en
Publication of WO2021109343A1 publication Critical patent/WO2021109343A1/zh

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/005—Arrangement or mounting of control or safety devices of safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/02—Stopping, starting, unloading or idling control
    • F04B49/022—Stopping, starting, unloading or idling control by means of pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/08—Regulating by delivery pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/10—Other safety measures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/022—Compressor control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2205/00—Fluid parameters
    • F04B2205/05—Pressure after the pump outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/07—Details of compressors or related parts
    • F25B2400/077—Compressor control units, e.g. terminal boxes, mounted on the compressor casing wall containing for example starter, protection switches or connector contacts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/07—Exceeding a certain pressure value in a refrigeration component or cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/025—Compressor control by controlling speed
    • F25B2600/0251—Compressor control by controlling speed with on-off operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/027—Compressor control by controlling pressure

Definitions

  • This application relates to the technical field of compressors, and specifically to a control circuit, an air conditioner, and a control method.
  • compressors and pressure vessels are important parts of the air-conditioning system.
  • system pressure when the system pressure is high, if no measures are taken to control the compressor and stop the compressor, it will cause the system The pressure continues to rise, which is prone to danger.
  • a pressure relief valve is provided on the pressure vessel.
  • the pressure relief valve opens to reduce the pressure in the pressure vessel; however, the pressure relief valve on the pressure vessel has poor sealing performance , Easy to leak.
  • This application aims to solve at least one of the technical problems existing in the prior art or related technologies.
  • the first aspect of this application proposes a control circuit.
  • the second aspect of the present application proposes an air conditioner.
  • the third aspect of this application proposes a control method.
  • the first aspect of the present application provides a control circuit, including a drive module, a drive circuit, a first switch module, and a pressure detection module; the drive circuit is connected to the drive module; the first switch module is arranged on the drive circuit ; The pressure detection module is connected to the first switch module, and is used to control the conduction or disconnection of the first switch module, and then control the conduction or disconnection of the drive line.
  • the first switch assembly is controlled by the pressure detection module and then the drive module is controlled to stop working, the pressure in the pressure vessel will not continue to rise after the drive module stops working, so no additional pressure relief is required. Valves to prevent overpressure, thereby improving the tightness of the pressure vessel and reducing the leakage of cold media.
  • the first switch component directly controls the on or off of the drive circuit, reducing the components involved in the control process, making the control circuit simpler, reacting more quickly, and reducing the probability of control failure due to component damage, and improving The reliability of the control circuit.
  • control circuit in the above technical solution provided by this application may also have the following additional technical features:
  • control circuit further includes a control module, and the control module is connected to the drive module.
  • control module is connected to the drive module, and the drive module is controlled according to the state of the pressure detection module.
  • the control drive module stops working to restore the pressure to the safe pressure.
  • the driving circuit includes a first circuit and a second circuit;
  • the first switch module includes a first input port, a first output port, a first control port, and a second control port.
  • the lines are connected, the first output port is connected with the second line, the first control port is connected with the pressure detection module, and the second control port is connected with the control module.
  • control module outputs a high level to the second control port, even after the contact of the pressure detection module is closed, the first switch assembly can still be controlled to be in the off state, avoiding the direct power-on of the drive module and the compressor , To reduce the impact on the drive module and the compressor when the power is turned on, and prolong the service life of the drive module and the compressor.
  • the control circuit further includes a second switch module and a resistor.
  • the second switch module includes a second input port, a second output port, a third control port, and a fourth control port.
  • the circuit is connected, the third control port is connected to the pressure detection module, and the fourth control port is connected to the control module; one end of the resistor is connected to the second input port, and the other end is connected to the first circuit.
  • control circuit further includes a control power supply module, and the control power supply module is connected to the pressure detection module.
  • control power supply module is used to supply power to the first switch component and the second switch component, so that the control module controls the first switch component and the second switch component by changing the output signal of the interface.
  • the driving circuit includes three wires
  • the first switch module includes at least two relays
  • the at least two relays are arranged on at least two of the three wires.
  • the drive circuit includes three wires, which are connected to a three-phase power supply, so as to realize the drive and control of the three-phase compressor.
  • the driving circuit includes two wires
  • the first switch module includes at least one relay
  • the at least one relay is provided on at least one of the two wires.
  • the drive circuit includes two wires, which are connected to a single-phase power source, so as to realize the drive and control of the single-phase compressor.
  • the second aspect of the present application provides an air conditioner including the control circuit described in any of the above technical solutions, so the air conditioner has all the beneficial effects of the control circuit described in any of the above technical solutions.
  • the air conditioner also includes an outdoor heat exchanger, an indoor heat exchanger, a compressor and a throttle valve.
  • the outdoor heat exchanger, compressor, indoor heat exchanger and throttle valve are connected in sequence, and the pressure detection component is arranged in the outdoor heat exchanger and / Or on the indoor heat exchanger.
  • the third aspect of the present application provides a control method for the control circuit as described in any of the above technical solutions.
  • the control method includes: acquiring the state of the pressure detection module; controlling the drive module and/or the second according to the state of the pressure detection module A switch assembly.
  • the first switch assembly is controlled by the pressure detection module, and then the drive module is controlled to stop working, the pressure in the pressure vessel will not continue to rise after the drive module stops working, so no additional pressure relief is required. Valves to prevent overpressure, thereby improving the tightness of the pressure vessel and reducing the leakage of cold media.
  • the first switch component directly controls the on or off of the drive circuit, reducing the components involved in the control process, making the control circuit simpler, reacting more quickly, and reducing the probability of control failure due to component damage, and improving The reliability of the control circuit.
  • Power-on reduces the impact on the drive module and compressor during power-on, and prolongs the service life of the drive module and compressor.
  • controlling the drive module and/or the first switch component according to the state of the pressure detection module includes: controlling the drive module to stop working based on the state of the pressure detection module being off, and/or controlling the first switch component to turn off Open; Based on the state of the pressure detection module being closed, the drive module is controlled to start working, and/or the first switch assembly is controlled to close.
  • the drive module when it is detected that the state of the pressure detection module is off, indicating that the pressure detected by the pressure switch exceeds the safety pressure, the drive module is controlled to stop working, and/or the first switch assembly is controlled to be turned off; The state of the pressure detection module is closed, indicating that the pressure detected by the pressure switch drops below the safety pressure, then the drive module is controlled to start working, and/or the first switch assembly is controlled to close, so as to drive the compressor to continue working.
  • the control method further includes: controlling the second switch according to the state of the pressure detection module Components.
  • the second switch component when the drive module is powered on, the second switch component is first controlled to be turned on, and after the second switch component is turned on, the first switch component is controlled to turn on, so as to reduce the resistance to the drive module and the drive module.
  • the impact of the compressor extends the service life of the drive module and the compressor.
  • Fig. 1 shows a schematic diagram of a control circuit according to an embodiment of the present application
  • Fig. 2 shows a schematic diagram of a control circuit according to another embodiment of the present application
  • Fig. 3 shows a schematic diagram of a first switch assembly according to an embodiment of the present application
  • Fig. 4 shows a flowchart of a control method according to an embodiment of the present application
  • Fig. 5 shows a flowchart of a control method according to another embodiment of the present application.
  • Fig. 6 shows a flowchart of a control method according to still another embodiment of the present application.
  • Fig. 7 shows a flow chart of a control method according to still another embodiment of the present application.
  • Fig. 8 shows a flowchart of a control method according to still another embodiment of the present application.
  • Fig. 9 shows a flowchart of a control method according to still another embodiment of the present application.
  • control circuit the air conditioner, and the control method according to some embodiments of the present application will be described with reference to FIGS. 1-9.
  • the present application provides a control circuit, including a drive module 102, a drive circuit 104, a first switch module 106, and a pressure detection module 108; 104 is connected to the drive module 102; the first switch module 106 is arranged on the drive circuit 104; the pressure detection module 108 is connected to the first switch module 106, and is used to control the first switch module 106 to be turned on or off, thereby controlling the drive The line 104 is turned on or off.
  • the first switch module 106 is arranged on the drive circuit 104, and the pressure detection module 108 can control the first switch component to be turned on or off.
  • the pressure detection module 108 exceeds the safety pressure, the pressure detection module 108 The module 108 is disconnected, the control terminal of the first switch component is powered off, the first switch component is disconnected, the drive circuit 104 is disconnected, and the drive module 102 is powered off, so that the drive module 102 stops working, thereby avoiding a further increase in pressure.
  • the drive module 102 Since the drive module 102 is controlled to stop working by the pressure detection module 108, the pressure in the pressure vessel will not continue to rise after the drive module 102 stops working, so there is no need to install an additional pressure relief valve to prevent overpressure and improve the seal of the pressure vessel It can reduce the leakage of cold media.
  • the first switch component to directly control the on or off of the driving circuit 104 the components involved in the control process are reduced, the control circuit is simpler, the response is faster, and the probability of control failure due to component damage is reduced, Improve the reliability of the control circuit.
  • the drive module 102 is used to drive the compressor 118.
  • the power supply supplies power to the drive module 102 through the drive line 104.
  • the pressure detection module 108 is a pressure switch used to detect the pressure in the heat exchanger or refrigerant pipe. When the pressure in the circuit exceeds the safe pressure, the pressure detection module 108 is disconnected, the control terminal of the first switch component is powered off, the input and output terminals of the first switch component are disconnected, the drive circuit 104 is disconnected, and the drive module 102 is powered off , And stop driving the compressor 118, the compressor 118 stops working, the pressure in the heat exchanger or refrigerant pipeline will no longer continue to rise, to avoid the overpressure in the heat exchanger of the air conditioner, water heater or refrigerator, etc. Apply for hazards to ensure the normal operation of the equipment.
  • the first switch component is a normally open switch.
  • the pressure detection module 108 detects that the pressure in the heat exchanger or refrigerant pipeline exceeds the safe pressure, the contact of the pressure detection module 108 is disconnected, and the first switch component is powered off.
  • the input end and output end of the first switch assembly are disconnected, the drive circuit 104 is disconnected, the drive module 102 is powered off, and stops driving the compressor 118, the compressor 118 stops working, and the pressure in the heat exchanger or refrigerant pipeline is not Continue to rise again.
  • the first switch assembly is a normally closed switch.
  • the pressure detection module 108 detects that the pressure in the heat exchanger or refrigerant pipeline exceeds the safe pressure, the contact of the pressure detection module 108 is closed. At this time, the first switch assembly is powered on. The input and output ends of the first switch assembly are disconnected, the drive circuit 104 is disconnected, the drive module 102 is powered off, and stops driving the compressor 118, the compressor 118 stops working, and the pressure in the heat exchanger or refrigerant pipeline is no longer Continue to rise.
  • the heat exchanger exchanges heat with the air, and the temperature and pressure of the refrigerant in the heat exchanger drop.
  • control circuit further includes a control module 110, and the control module 110 is connected to the driving module 102.
  • control module 110 is connected to the drive module 102, and the drive module 102 is controlled according to the state of the pressure detection module 108.
  • the drive module 102 is controlled to stop working.
  • the pressure is restored to below the safe pressure, when the first switch assembly is closed, the drive module 102 and the compressor 118 are prevented from being directly powered on, the impact on the drive module 102 and the compressor 118 is reduced when the power is on, and the drive module 102 and the compressor are extended. 118 service life.
  • the control module 110 can detect the state of the pressure detection module 108 or receive state information from the pressure detection module 108, and then control the driving module 102 according to the state of the pressure detection module 108.
  • the driving circuit 104 includes a first circuit 1042 and a second circuit 1044;
  • the first switch module 106 includes a first input port 1062, a first output port 1064, The first control port 1066 and the second control port 1068, the first input port 1062 is connected to the first line 1042, the first output port 1064 is connected to the second line 1044, and the first control port 1066 is connected to the pressure detection module 108 ,
  • the second control port 1068 is connected to the control module 110.
  • the first control port 1066 and the second control port 1068 are powered on or off to control the conduction or disconnection of the first input port 1062 and the first output port 1064; the first control port 1066 and the pressure The detection module 108 is connected.
  • the first control port 1066 is powered off.
  • the contact of the pressure detection module 108 is closed, the first control port 1066 is powered on; the second control port 1068 is connected to The control module 110 is connected.
  • the control module 110 When the first control port 1066 is at a high level, the control module 110 outputs a low level, the first control port 1066 and the second control port 1068 are powered on, and when the control module 110 outputs a high level, the first control port 1066 and the second control port 1068 are powered off, so that the control module 110 can control the on and off of the first switch component.
  • the control module 110 After the first switch component is turned off, the control module 110 outputs a high level to the second control port 1068, even if the pressure After the contact of the detection module 108 is closed, the first switch assembly can still be controlled to be in the open state, avoiding the direct power-on of the driving module 102 and the compressor 118, reducing the impact on the driving module 102 and the compressor 118 during power-on, and extending The service life of the drive module 102 and the compressor 118.
  • the control circuit further includes a second switch module 112 and a resistor 114.
  • the second switch module 112 includes a second input port, a second output port, and a third control module.
  • the second output port is connected to the second line 1044
  • the third control port is connected to the pressure detection module 108
  • the fourth control port is connected to the control module 110; one end of the resistor 114 is connected to the second input The port is connected, and the other end is connected to the first line 1042.
  • the second switch component and the resistor 114 by setting the second switch component and the resistor 114, when the drive module 102 is powered on, the second switch component is first controlled to be turned on, and after the second switch component is turned on, the first switch component is controlled to be turned on. Through the resistance 114, the impact on the driving module 102 and the compressor 118 is reduced, and the service life of the driving module 102 and the compressor 118 is prolonged.
  • the second switch component is a relay.
  • control circuit further includes a control power supply module 116, and the control power supply module 116 is connected to the pressure detection module 108.
  • control power supply module 116 is used to supply power to the first switch component and the second switch component, so that the control module 110 controls the first switch component and the second switch component by changing the output signal of the interface.
  • the power supply module outputs a positive 12 volt voltage or a positive 24 volt voltage to the pressure detection module 108 and a positive 3.3 volt voltage to the control module 110.
  • the driving circuit 104 includes three wires
  • the first switch module 106 includes two relays
  • the two relays are respectively arranged on two of the three wires.
  • the driving circuit 104 includes three wires
  • the first switch module 106 includes three relays
  • the three relays are respectively arranged on the three wires.
  • the driving circuit 104 includes three wires
  • the first switch module 106 includes a two-way relay
  • the two-way relay is arranged on two of the three wires.
  • the driving circuit 104 includes three wires
  • the first switch module 106 includes a three-way relay
  • the three-way relay is arranged on the three wires.
  • the driving circuit 104 includes three wires, which are connected to a three-phase power source, so as to realize the driving and control of the three-phase compressor 118.
  • the driving circuit 104 includes two wires
  • the first switch module 106 includes a single-circuit relay
  • the single-circuit relay is arranged on one of the two wires.
  • the driving circuit 104 includes two wires
  • the first switch module 106 includes two single-circuit relays
  • the two single-circuit relays are respectively arranged on the two wires.
  • the driving circuit 104 includes two wires
  • the first switch module 106 includes a two-way relay
  • the two-way relays are arranged on the two wires.
  • the driving circuit 104 includes two wires, which are connected to a single-phase power source, so as to drive and control the single-phase compressor 118.
  • the present application provides an air conditioner including the control circuit described in any of the above embodiments, so the air conditioner has all the benefits of the control circuit described in any of the above embodiments. effect.
  • the air conditioner also includes an outdoor heat exchanger, an indoor heat exchanger, a compressor and a throttle valve.
  • the outdoor heat exchanger, compressor, indoor heat exchanger and throttle valve are connected in sequence, and the pressure detection component is arranged in the outdoor heat exchanger and / Or on the indoor heat exchanger.
  • the present application provides a control method for the control circuit described in any of the foregoing embodiments. As shown in FIG. 4, the control method includes:
  • Step 402 Obtain the state of the pressure detection module
  • Step 404 Control the driving module and/or the first switch assembly according to the state of the pressure detection module.
  • the drive module since the drive module is controlled to stop working through the pressure detection module, the pressure in the pressure vessel will not continue to rise after the drive module stops working, so there is no need to install an additional pressure relief valve to prevent overpressure, thereby increasing the pressure
  • the tightness of the container reduces the leakage of cold media.
  • the first switch component directly controls the on or off of the drive circuit, reducing the components involved in the control process, making the control circuit simpler, reacting more quickly, and reducing the probability of control failure due to component damage, and improving The reliability of the control circuit.
  • control the drive module When the detected pressure exceeds the safety pressure, control the drive module to stop working, or control the first switch assembly to be in an off state, so that when the pressure returns to below the safety pressure, the first switch assembly is closed to prevent the drive module and the compressor from being directly connected. Power on, reduce the impact on the drive module and compressor when power on, and extend the service life of the drive module and compressor.
  • control method includes:
  • Step 502 Obtain the state of the pressure detection module
  • Step 504 based on the state of the pressure detection module being disconnected, control the driving module to stop working.
  • control method includes:
  • Step 602 Obtain the state of the pressure detection module
  • Step 604 Based on the state of the pressure detection module being disconnected, control the first switch assembly to disconnect.
  • control method includes:
  • Step 702 Obtain the state of the pressure detection module
  • Step 704 based on the state of the pressure detection module being closed, control the drive module to start working.
  • control method includes:
  • Step 802 Obtain the state of the pressure detection module
  • step 804 based on the state of the pressure detection module being closed, the first switch assembly is controlled to be closed.
  • the drive module when it is detected that the state of the pressure detection module is off, indicating that the pressure detected by the pressure switch exceeds the safety pressure, the drive module is controlled to stop working, and/or the first switch assembly is controlled to be turned off; The state of the pressure detection module is closed, indicating that the pressure detected by the pressure switch drops below the safety pressure, then the drive module is controlled to start working, and/or the first switch assembly is controlled to close, so as to drive the compressor to continue working.
  • control method includes:
  • Step 902 Obtain the state of the pressure detection module
  • Step 904 Control the second switch assembly according to the state of the pressure detection module
  • Step 906 Control the driving module and/or the first switch assembly according to the state of the pressure detection module.
  • the second switch component when the drive module is powered on, the second switch component is first controlled to be turned on, and after the second switch component is turned on, the first switch component is controlled to turn on, so as to reduce the resistance to the drive module and the drive module.
  • the impact of the compressor extends the service life of the drive module and the compressor.
  • Controlling the second switch assembly according to the state of the pressure detecting module includes: controlling the second switch assembly to open based on the state of the pressure detecting module being open; and controlling the second switch assembly to close based on the state of the pressure detecting module being closed.
  • control method includes:
  • the term “plurality” refers to two or more than two, unless otherwise clearly defined, the orientation or positional relationship indicated by the terms “upper”, “lower”, etc. are based on the drawings shown The orientation or positional relationship is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the application;
  • the terms “connected”, “installed”, “fixed”, etc. should be understood in a broad sense. For example, “connected” can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or through an intermediate connection. The medium is indirectly connected.
  • the specific meanings of the above-mentioned terms in this application can be understood according to specific circumstances.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

一种控制电路、空调器和控制方法，控制电路包括：驱动模块（102）；驱动线路（104），驱动线路（104）与驱动模块（102）相连接；第一开关模块（106），第一开关模块（106）设置于驱动线路（104）上；压力检测模块（108），压力检测模块（108）与第一开关模块（106）相连接，用于控制第一开关模块（106）导通或断开，进而控制驱动线路（104）导通或断开。无需设置额外的泄压阀来防止超压，提升压力容器的密封性，减少冷媒介质的泄露；控制电路更加简单，反应更加迅速，减少因元器件损坏而使得控制失效的概率，提升控制电路的可靠性。

Description

控制电路、空调器和控制方法
相关申请的交叉引用
本申请基于申请号为201911211248.1，申请日为2019年12月02日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本申请涉及压缩机技术领域，具体而言，涉及一种控制电路、空调器和控制方法。
背景技术
目前，压缩机及压力容器是空调系统工作的重要部件，在含有压缩机及压力容器的系统中，当系统压力较高时，如果对压缩机不采取措施进行控制，停止压缩机，会使系统压力持续升高，容易产生危险。
在相关技术中，在压力容器上设置有泄压阀，当压力容器内的压力超过安全压力后泄压阀开启，以降低压力容器内的压力；但压力容器上的泄压阀密封性较差，容易发生泄漏。
申请内容
本申请旨在至少解决现有技术或相关技术中存在的技术问题之一。
为此，本申请的第一方面提出一种控制电路。
本申请的第二方面提出一种空调器。
本申请的第三方面提出一种控制方法。
有鉴于此，本申请的第一方面提供了一种控制电路，包括驱动模块、驱动线路、第一开关模块和压力检测模块；驱动线路与驱动模块相连接；第一开关模块设置于驱动线路上；压力检测模块与第一开关模块相连接，用于控制第一开关模块导通或断开，进而控制驱动线路导通或断开。
本申请所提供的控制电路，由于通过压力检测模块控制第一开关组件，进而控制驱动模块停止工作，驱动模块停止工作后压力容器内的压力不会继续升高，所以无需再设置额外的泄压阀来防止超压，进而提升压力容器的密封性，减少冷媒介质的泄露。通过第一开关组件直接控制驱动线路的导通或断开，减少控制过程中所涉及的元器件，使得 控制电路更加简单，反应更加迅速，并且减少因元器件损坏而使得控制失效的概率，提升控制电路的可靠性。
另外，本申请提供的上述技术方案中的控制电路还可以具有如下附加技术特征：
根据本申请的一个示例，控制电路还包括控制模块，控制模块与驱动模块相连接。
在该技术方案中，控制模块与驱动模块相连接，根据压力检测模块的状态控制驱动模块，当压力检测模块检测到的压力超过安全压力后，控制驱动模块停止工作，以在压力恢复至安全压力以下，第一开关组件闭合时，避免驱动模块和压缩机直接上电，减小上电时对驱动模块和压缩机的冲击，延长驱动模块和压缩机的使用寿命。
根据本申请的一个示例，驱动线路包括第一线路和第二线路；第一开关模块包括第一输入端口、第一输出端口、第一控制端口和第二控制端口，第一输入端口与第一线路相连接，第一输出端口与第二线路相连接，第一控制端口与压力检测模块相连接，第二控制端口与控制模块相连接。
在该技术方案中，通过控制模块向第二控制端口输出高电平，即使压力检测模块的触点闭合后，仍可控制第一开关组件处于断开状态，避免驱动模块和压缩机直接上电，减小上电时对驱动模块和压缩机的冲击，延长驱动模块和压缩机的使用寿命。
根据本申请的一个示例，控制电路还包括第二开关模块和电阻，第二开关模块包括第二输入端口、第二输出端口、第三控制端口和第四控制端口，第二输出端口与第二线路相连接，第三控制端口与压力检测模块相连接，第四控制端口与控制模块相连接；电阻的一端与第二输入端口相连接，另一端与第一线路相连接。
在该技术方案中，通过设置第二开关组件和电阻，在向驱动模块上电时，先控制第二开关组件导通，在第二开关组件导通后，再控制第一开关组件导通，以通过电阻减小对驱动模块和压缩机的冲击，延长驱动模块和压缩机的使用寿命。
根据本申请的一个示例，控制电路还包括控制电源模块，控制电源模块与压力检测模块相连接。
在该技术方案中，控制电源模块用于向第一开关组件和第二开关组件供电，以使控制模块通过改变接口的输出信号来控制第一开关组件和第二开关组件。
根据本申请的一个示例，驱动线路包括三条导线，第一开关模块包括至少两个继电器，至少两个继电器设置于三条导线中的至少两条导线上。
在该技术方案中，驱动线路包括三条导线，与三相电源相连接，进而实现对三相压缩机的驱动和控制。
根据本申请的一个示例，驱动线路包括两条导线，第一开关模块包括至少一个继电 器，至少一个继电器设置于两条导线中的至少一条导线上。
在该技术方案中，驱动线路包括两条导线，与单相电源相连接，进而实现对单相压缩机的驱动和控制。
本申请第二方面提供了一种空调器，包括如上述任一技术方案所述的控制电路，因此该空调器具备上述任一技术方案所述的控制电路的全部有益效果。
空调器还包括室外换热器、室内换热器、压缩机和节流阀，室外换热器、压缩机、室内换热器和节流阀依次连接，压力检测部件设置在室外换热器和/或室内换热器上。
本申请第三方面提供了一种控制方法，用于如上述任一技术方案所述的控制电路，控制方法包括：获取压力检测模块的状态；根据压力检测模块的状态控制驱动模块和/或第一开关组件。
本申请所提供的控制方法，由于通过压力检测模块控制第一开关组件，进而控制驱动模块停止工作，驱动模块停止工作后压力容器内的压力不会继续升高，所以无需再设置额外的泄压阀来防止超压，进而提升压力容器的密封性，减少冷媒介质的泄露。通过第一开关组件直接控制驱动线路的导通或断开，减少控制过程中所涉及的元器件，使得控制电路更加简单，反应更加迅速，并且减少因元器件损坏而使得控制失效的概率，提升控制电路的可靠性。
当检测到的压力超过安全压力后，控制驱动模块停止工作，或控制第一开关组件处于断开状态，以在压力恢复至安全压力以下，第一开关组件闭合时，避免驱动模块和压缩机直接上电，减小上电时对驱动模块和压缩机的冲击，延长驱动模块和压缩机的使用寿命。
根据本申请的一个示例，根据压力检测模块的状态控制驱动模块和/或第一开关组件包括：基于压力检测模块的状态为断开，控制驱动模块停止工作，和/或控制第一开关组件断开；基于压力检测模块的状态为闭合，控制驱动模块开始工作，和/或控制第一开关组件闭合。
在该技术方案中，当检测到压力检测模块的状态为断开，说明压力开关检测到的压力超过安全压力，则控制驱动模块停止工作，和/或控制第一开关组件断开；当检测到压力检测模块的状态为闭合，说明压力开关检测到的压力降低至安全压以下，则控制驱动模块开始工作，和/或控制第一开关组件闭合，以便驱动压缩机继续工作。
根据本申请的一个示例，在获取压力检测模块的状态，和根据压力检测模块的状态控制驱动模块和/或第一开关组件之间，控制方法还包括：根据压力检测模块的状态控制第二开关组件。
在该技术方案中，在向驱动模块上电时，先控制第二开关组件导通，在第二开关组件导通后，再控制第一开关组件导通，以通过电阻减小对驱动模块和压缩机的冲击，延长驱动模块和压缩机的使用寿命。
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。
附图说明
本申请的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1示出了根据本申请的一个实施例的控制电路的示意图；
图2示出了根据本申请的另一个实施例的控制电路的示意图；
图3示出了根据本申请的一个实施例的第一开关组件的示意图；
图4示出了根据本申请的一个实施例的控制方法的流程图；
图5示出了根据本申请的另一个实施例的控制方法的流程图；
图6示出了根据本申请的再一个实施例的控制方法的流程图；
图7示出了根据本申请的再一个实施例的控制方法的流程图；
图8示出了根据本申请的再一个实施例的控制方法的流程图；
图9示出了根据本申请的再一个实施例的控制方法的流程图。
附图标记：
102驱动模块，104驱动线路，1042第一线路，1044第二线路，106第一开关模块，1062第一输入端口，1064第一输出端口，1066第一控制端口，1068第二控制端口，108压力检测模块，110控制模块，112第二开关模块，114电阻，116控制电源模块，118压缩机。
具体实施方式
为了能够更清楚地理解本申请的上述目的、特征和优点，下面结合附图和具体实施方式对本申请进行进一步的详细描述。需要说明的是，在不冲突的情况下，本申请的实施例及实施例中的特征可以相互组合。
在下面的描述中阐述了很多具体细节以便于充分理解本申请，但是，本申请还可以采用其他不同于在此描述的其他方式来实施，因此，本申请的保护范围并不受下面公开的具体实施例的限制。
下面参照图1至图9描述根据本申请一些实施例所述控制电路、空调器和控制方法。
在本申请第一方面实施例中，如图1和图2所示，本申请提供了一种控制电路，包括驱动模块102、驱动线路104、第一开关模块106和压力检测模块108；驱动线路104与驱动模块102相连接；第一开关模块106设置于驱动线路104上；压力检测模块108与第一开关模块106相连接，用于控制第一开关模块106导通或断开，进而控制驱动线路104导通或断开。
在该实施例中，第一开关模块106设置在驱动线路104上，压力检测模块108可控制第一开关组件导通或断开，当压力检测模块108检测到的压力超过安全压力后，压力检测模块108断开，第一开关组件的控制端掉电，第一开关组件断开，驱动线路104断开，驱动模块102掉电，使得驱动模块102停止工作，进而避免压力进一步升高。由于通过压力检测模块108控制驱动模块102停止工作，驱动模块102停止工作后压力容器内的压力不会继续升高，所以无需再设置额外的泄压阀来防止超压，进而提升压力容器的密封性，减少冷媒介质的泄露。通过第一开关组件直接控制驱动线路104的导通或断开，减少控制过程中所涉及的元器件，使得控制电路更加简单，反应更加迅速，并且减少因元器件损坏而使得控制失效的概率，提升控制电路的可靠性。
驱动模块102用于驱动压缩机118，电源通过驱动线路104为驱动模块102供电，压力检测模块108为压力开关，用于检测换热器或冷媒管路内的压力，在换热器或冷媒管路内的压力超过安全压力时，压力检测模块108断开，第一开关组件的控制端掉电，第一开关组件的输入端和输出端断开，驱动线路104断开，驱动模块102掉电，并停止驱动压缩机118，压缩机118停止工作，换热器或冷媒管路内的压力不再继续升高，避免空调器、热水器或冰箱等制冷、制热设备换热器内超压而申请危险，确保设备的正常运行。
第一开关组件为常开式开关，压力检测模块108在检测到换热器或冷媒管路内的压力超过安全压力时，压力检测模块108的触点断开，此时第一开关组件掉电，第一开关组件的输入端和输出端断开，驱动线路104断开，驱动模块102掉电，并停止驱动压缩机118，压缩机118停止工作，换热器或冷媒管路内的压力不再继续升高。
第一开关组件为常闭式开关，压力检测模块108在检测到换热器或冷媒管路内的压力超过安全压力时，压力检测模块108的触点闭合，此时第一开关组件上电，第一开关组件的输入端和输出端断开，驱动线路104断开，驱动模块102掉电，并停止驱动压缩机118，压缩机118停止工作，换热器或冷媒管路内的压力不再继续升高。
压缩机118停止工作后，换热器与空气进行热交换，换热器内的冷媒温度和压力降 低。
在本申请的一个实施例中，如图1和图2所示，控制电路还包括控制模块110，控制模块110与驱动模块102相连接。
在该实施例中，控制模块110与驱动模块102相连接，根据压力检测模块108的状态控制驱动模块102，当压力检测模块108检测到的压力超过安全压力后，控制驱动模块102停止工作，以在压力恢复至安全压力以下，第一开关组件闭合时，避免驱动模块102和压缩机118直接上电，减小上电时对驱动模块102和压缩机118的冲击，延长驱动模块102和压缩机118的使用寿命。
控制模块110可检测压力检测模块108的状态，或接收来自压力检测模块108的状态信息，进而根据压力检测模块108的状态控制驱动模块102。
在本申请的一个实施例中，如图1至图3所示，驱动线路104包括第一线路1042和第二线路1044；第一开关模块106包括第一输入端口1062、第一输出端口1064、第一控制端口1066和第二控制端口1068，第一输入端口1062与第一线路1042相连接，第一输出端口1064与第二线路1044相连接，第一控制端口1066与压力检测模块108相连接，第二控制端口1068与控制模块110相连接。
在该实施例中，第一控制端口1066和第二控制端口1068上电或掉电，可控制第一输入端口1062和第一输出端口1064的导通或断开；第一控制端口1066与压力检测模块108连接，在压力检测模块108的触点断开时，第一控制端口1066掉电，在压力检测模块108的触点闭合时，第一控制端口1066上电；第二控制端口1068与控制模块110相连接，第一控制端口1066为高电平时，控制模块110输出低电平，第一控制端口1066和第二控制端口1068上电，控制模块110输出高电平时，第一控制端口1066和第二控制端口1068掉电，使得控制模块110可控制第一开关组件的通断，在第一开关组件断开后，通过控制模块110向第二控制端口1068输出高电平，即使压力检测模块108的触点闭合后，仍可控制第一开关组件处于断开状态，避免驱动模块102和压缩机118直接上电，减小上电时对驱动模块102和压缩机118的冲击，延长驱动模块102和压缩机118的使用寿命。
在本申请的一个实施例中，如图1和图2所示，控制电路还包括第二开关模块112和电阻114，第二开关模块112包括第二输入端口、第二输出端口、第三控制端口和第四控制端口，第二输出端口与第二线路1044相连接，第三控制端口与压力检测模块108相连接，第四控制端口与控制模块110相连接；电阻114的一端与第二输入端口相连接，另一端与第一线路1042相连接。
在该实施例中，通过设置第二开关组件和电阻114，在向驱动模块102上电时，先控制第二开关组件导通，在第二开关组件导通后，再控制第一开关组件导通，以通过电阻114减小对驱动模块102和压缩机118的冲击，延长驱动模块102和压缩机118的使用寿命。
第二开关组件为继电器。
在本申请的一个实施例中，如图1和图2所示，控制电路还包括控制电源模块116，控制电源模块116与压力检测模块108相连接。
在该实施例中，控制电源模块116用于向第一开关组件和第二开关组件供电，以使控制模块110通过改变接口的输出信号来控制第一开关组件和第二开关组件。
电源模块向压力检测模块108输出正12伏电压，或正24伏电压，向控制模块110输出正3.3伏电压。
在本申请的一个实施例中，如图1所示，驱动线路104包括三条导线，第一开关模块106包括两个继电器，两个继电器分别设置于三条导线中的两条导线上。
在本申请的一个实施例中，驱动线路104包括三条导线，第一开关模块106包括三个继电器，三个继电器分别设置于三条导线上。
在本申请的一个实施例中，驱动线路104包括三条导线，第一开关模块106包括一个两路继电器，两路继电器设置于三条导线中的两条导线上。
在本申请的一个实施例中，驱动线路104包括三条导线，第一开关模块106包括一个三路继电器，三路继电器设置于三条导线上。
在该实施例中，驱动线路104包括三条导线，与三相电源相连接，进而实现对三相压缩机118的驱动和控制。
在本申请的一个实施例中，如图2所示，驱动线路104包括两条导线，第一开关模块106包一个单路继电器，单路继电器设置于两条导线中的一条导线上。
在本申请的一个实施例中，驱动线路104包括两条导线，第一开关模块106包两个单路继电器，两个单路继电器分别设置于两条导线上。
在本申请的一个实施例中，驱动线路104包括两条导线，第一开关模块106包一个两路继电器，两路继电器设置于两条导线上。
在该实施例中，驱动线路104包括两条导线，与单相电源相连接，进而实现对单相压缩机118的驱动和控制。
在本申请第二方面实施例中，本申请提供了一种空调器，包括如上述任一实施例所述的控制电路，因此该空调器具备上述任一实施例所述的控制电路的全部有益效果。
空调器还包括室外换热器、室内换热器、压缩机和节流阀，室外换热器、压缩机、室内换热器和节流阀依次连接，压力检测部件设置在室外换热器和/或室内换热器上。
在本申请第三方面实施例中，本申请提供了一种控制方法，用于如上述任一实施例所述的控制电路，如图4所示，控制方法包括：
步骤402，获取压力检测模块的状态；
步骤404，根据压力检测模块的状态控制驱动模块和/或第一开关组件。
在该实施例中，由于通过压力检测模块控制驱动模块停止工作，驱动模块停止工作后压力容器内的压力不会继续升高，所以无需再设置额外的泄压阀来防止超压，进而提升压力容器的密封性，减少冷媒介质的泄露。通过第一开关组件直接控制驱动线路的导通或断开，减少控制过程中所涉及的元器件，使得控制电路更加简单，反应更加迅速，并且减少因元器件损坏而使得控制失效的概率，提升控制电路的可靠性。
当检测到的压力超过安全压力后，控制驱动模块停止工作，或控制第一开关组件处于断开状态，以在压力恢复至安全压力以下，第一开关组件闭合时，避免驱动模块和压缩机直接上电，减小上电时对驱动模块和压缩机的冲击，延长驱动模块和压缩机的使用寿命。
在本申请的一个实施例中，如图5所示，控制方法包括：
步骤502，获取压力检测模块的状态；
步骤504，基于压力检测模块的状态为断开，控制驱动模块停止工作。
在本申请的一个实施例中，如图6所示，控制方法包括：
步骤602，获取压力检测模块的状态；
步骤604，基于压力检测模块的状态为断开，控制第一开关组件断开。
在本申请的一个实施例中，如图7所示，控制方法包括：
步骤702，获取压力检测模块的状态；
步骤704，基于压力检测模块的状态为闭合，控制驱动模块开始工作。
在本申请的一个实施例中，如图8所示，控制方法包括：
步骤802，获取压力检测模块的状态；
步骤804，基于压力检测模块的状态为闭合，控制第一开关组件闭合。
在该实施例中，当检测到压力检测模块的状态为断开，说明压力开关检测到的压力超过安全压力，则控制驱动模块停止工作，和/或控制第一开关组件断开；当检测到压力检测模块的状态为闭合，说明压力开关检测到的压力降低至安全压以下，则控制驱动模块开始工作，和/或控制第一开关组件闭合，以便驱动压缩机继续工作。
在本申请的一个实施例中，如图9所示，控制方法包括：
步骤902，获取压力检测模块的状态；
步骤904，根据压力检测模块的状态控制第二开关组件；
步骤906，根据压力检测模块的状态控制驱动模块和/或第一开关组件。
在该实施例中，在向驱动模块上电时，先控制第二开关组件导通，在第二开关组件导通后，再控制第一开关组件导通，以通过电阻减小对驱动模块和压缩机的冲击，延长驱动模块和压缩机的使用寿命。
根据压力检测模块的状态控制第二开关组件包括：基于压力检测模块的状态为断开，控制第二开关组件断开；基于压力检测模块的状态为闭合，控制第二开关组件闭合。
在本申请的一个实施例中，控制方法包括：
获取压力检测模块的状态；
基于压力检测模块的状态为闭合，控制第二开关组件闭合；
控制驱动模块开始工作，并控制第一开关组件闭合。
在本申请的描述中，术语“多个”则指两个或两个以上，除非另有明确的限定，术语“上”、“下”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制；术语“连接”、“安装”、“固定”等均应做广义理解，例如，“连接”可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
在本申请的描述中，术语“一个实施例”、“一些实施例”、“具体实施例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或特点包含于本申请的至少一个实施例或示例中。在本申请中，对上述术语的示意性表述不一定指的是相同的实施例或实例。而且，描述的具体特征、结构、材料或特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上所述仅为本申请的优选实施例而已，并不用于限制本申请，对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (11)

  1. 一种控制电路，其特征在于，包括：
    驱动模块；
    驱动线路，所述驱动线路与所述驱动模块相连接；
    第一开关模块，所述第一开关模块设置于所述驱动线路上；
    压力检测模块，所述压力检测模块与所述第一开关模块相连接，用于控制所述第一开关模块导通或断开，进而控制所述驱动线路导通或断开。
  2. 根据权利要求1所述的控制电路，其特征在于，还包括：
    控制模块，所述控制模块与所述驱动模块相连接。
  3. 根据权利要求2所述的控制电路，其特征在于，
    所述驱动线路包括第一线路和第二线路；
    所述第一开关模块包括第一输入端口、第一输出端口、第一控制端口和第二控制端口，所述第一输入端口与所述第一线路相连接，所述第一输出端口与所述第二线路相连接，所述第一控制端口与所述压力检测模块相连接，所述第二控制端口与所述控制模块相连接。
  4. 根据权利要求3所述的控制电路，其特征在于，还包括：
    第二开关模块，所述第二开关模块包括第二输入端口、第二输出端口、第三控制端口和第四控制端口，所述第二输出端口与所述第二线路相连接，所述第三控制端口与所述压力检测模块相连接，所述第四控制端口与所述控制模块相连接；
    电阻，所述电阻的一端与所述第二输入端口相连接，另一端与所述第一线路相连接。
  5. 根据权利要求1至4中任一项所述的控制电路，其特征在于，还包括：
    控制电源模块，所述控制电源模块与所述压力检测模块相连接。
  6. 根据权利要求1至5中任一项所述的控制电路，其特征在于，
    所述驱动线路包括三条导线，所述第一开关模块包括至少两个继电器，所述至少两个继电器设置于所述三条导线中的至少两条导线上。
  7. 根据权利要求1至6中任一项所述的控制电路，其特征在于，
    所述驱动线路包括两条导线，所述第一开关模块包括至少一个继电器，所述至少一个继电器设置于所述两条导线中的至少一条导线上。
  8. 一种空调器，其特征在于，包括如权利要求1至7中任一项所述的控制电路。
  9. 一种控制方法，用于控制如权利要求1至7中任一项所述的控制电路，其特征在于，控制方法包括：
    获取压力检测模块的状态；
    根据所述压力检测模块的状态控制驱动模块和/或第一开关组件。
  10. 根据权利要求9所述的控制方法，其特征在于，所述根据所述压力检测模块的状态控制驱动模块和/或第一开关组件包括：
    基于所述压力检测模块的状态为断开，控制所述驱动模块停止工作，和/或控制所述第一开关组件断开；
    基于所述压力检测模块的状态为闭合，控制所述驱动模块开始工作，和/或控制所述第一开关组件闭合。
  11. 根据权利要求9或10所述的控制方法，其特征在于，在所述获取压力检测模块的状态，和所述根据所述压力检测模块的状态控制驱动模块和/或第一开关组件之间，所述控制方法还包括：
    根据所述压力检测模块的状态控制第二开关组件。
PCT/CN2020/077212 2019-12-02 2020-02-28 控制电路、空调器和控制方法 WO2021109343A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20896008.8A EP3992551A4 (en) 2019-12-02 2020-02-28 CONTROL CIRCUIT, AIR CONDITIONER AND CONTROL METHOD

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911211248.1 2019-12-02
CN201911211248.1A CN110848125B (zh) 2019-12-02 2019-12-02 控制电路、空调器和控制方法

Publications (1)

Publication Number Publication Date
WO2021109343A1 true WO2021109343A1 (zh) 2021-06-10

Family

ID=69607380

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/077212 WO2021109343A1 (zh) 2019-12-02 2020-02-28 控制电路、空调器和控制方法

Country Status (3)

Country Link
EP (1) EP3992551A4 (zh)
CN (1) CN110848125B (zh)
WO (1) WO2021109343A1 (zh)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009056336A2 (de) * 2007-11-01 2009-05-07 Gordon Seiptius Verfahren und vorrichtung zur sicherung von kälteverdichtern
CN104567158A (zh) * 2014-12-19 2015-04-29 李宁 控制制冷机系统中制冷液泄漏量的系统及方法
CN205533145U (zh) * 2016-01-22 2016-08-31 芜湖美智空调设备有限公司 空调器、压缩机系统及其控制装置
US20170299243A1 (en) * 2013-10-28 2017-10-19 Lennox Industries Inc. System for calibration of a compressor unit in a heating, ventilation, and air conditioning system
KR20190096725A (ko) * 2018-02-09 2019-08-20 엘지전자 주식회사 압축기 구동 장치 및 이를 구비하는 공기조화기

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4975352B2 (ja) * 2006-04-03 2012-07-11 東芝キヤリア株式会社 空気調和機
JP2014165945A (ja) * 2013-02-21 2014-09-08 Mitsubishi Heavy Ind Ltd 圧縮機モータの駆動装置及び空気調和機
US10823444B2 (en) * 2017-03-31 2020-11-03 Johnson Controls Technology Company Pressure control device
CN107143985B (zh) * 2017-06-26 2020-01-31 广东美的暖通设备有限公司 一种用于空调系统压力保护的装置和空调系统
CN107084514B (zh) * 2017-06-26 2020-09-15 广东美的暖通设备有限公司 一种用于空调系统压力保护的装置和空调系统
KR20190023609A (ko) * 2017-08-29 2019-03-08 엘지전자 주식회사 압축기 동작 차단 회로
KR102036115B1 (ko) * 2017-12-18 2019-10-24 엘지전자 주식회사 압축기 보호 기능을 가지는 공기 조화기
CN110594953A (zh) * 2019-09-09 2019-12-20 广东美的暖通设备有限公司 压缩机驱动装置、压缩机压力保护方法及空调器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009056336A2 (de) * 2007-11-01 2009-05-07 Gordon Seiptius Verfahren und vorrichtung zur sicherung von kälteverdichtern
US20170299243A1 (en) * 2013-10-28 2017-10-19 Lennox Industries Inc. System for calibration of a compressor unit in a heating, ventilation, and air conditioning system
CN104567158A (zh) * 2014-12-19 2015-04-29 李宁 控制制冷机系统中制冷液泄漏量的系统及方法
CN205533145U (zh) * 2016-01-22 2016-08-31 芜湖美智空调设备有限公司 空调器、压缩机系统及其控制装置
KR20190096725A (ko) * 2018-02-09 2019-08-20 엘지전자 주식회사 압축기 구동 장치 및 이를 구비하는 공기조화기

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3992551A4 *

Also Published As

Publication number Publication date
CN110848125A (zh) 2020-02-28
EP3992551A1 (en) 2022-05-04
EP3992551A4 (en) 2022-08-24
CN110848125B (zh) 2021-04-27

Similar Documents

Publication Publication Date Title
WO2021227365A1 (zh) 防冻保护方法、防冻保护系统以及水系统热泵机组
CN109237722A (zh) 四通阀故障检测方法、四通阀故障检测装置及空调系统
CN110542196B (zh) 用于空调器的检测组件、控制方法、控制装置及空调器
CN104879940A (zh) 空调系统及其控制方法
CN104848479A (zh) 空调器及其冷媒管路压力监控与系统控制方法和装置
US20230221025A1 (en) Air conditioning system, and indoor unit of same
WO2021109343A1 (zh) 控制电路、空调器和控制方法
CN114234470B (zh) 空调系统以及空调控制方法
CN105241027A (zh) 多联机系统及其换热阀体的故障检测方法
CN105042738A (zh) 冷暖型空调系统和单冷型空调系统
CN107490208A (zh) 一种热泵机组的冷媒回收控制系统及其控制方法
WO2024051566A1 (zh) 一种空簧供风控制装置及高速磁浮车辆
WO2018054178A1 (zh) 空调系统的室内机的节流阀体的检测方法
CN107192157B (zh) 四通阀换向异常的检测方法、系统及获取制热初始频率的方法
WO2023241199A1 (zh) 通信供电电路、控制方法、装置、存储介质和空调设备
JP2015152174A (ja) 温水システム
JP2014119206A (ja) ヒートポンプシステム
CN204593996U (zh) 一种空调器系统
WO2022262009A1 (zh) 油水冷却器及其运行控制方法和用其构建的冷却系统
US11841150B2 (en) Method for controlling power-on or power-off of air conditioner
CN202171297U (zh) 热泵空调系统
CN111486507A (zh) 空调系统和空调系统运行控制方法
JP7524107B2 (ja) 温水暖房システム
CN220670137U (zh) 隧道式灭菌干燥机加热段冷却系统及隧道式灭菌干燥机
CN218884341U (zh) 一种空调系统

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20896008

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2020896008

Country of ref document: EP

Effective date: 20220125

NENP Non-entry into the national phase

Ref country code: DE