CN111981656B - Heat exchange system, control method and device thereof and air conditioner - Google Patents
Heat exchange system, control method and device thereof and air conditioner Download PDFInfo
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- CN111981656B CN111981656B CN202010928779.9A CN202010928779A CN111981656B CN 111981656 B CN111981656 B CN 111981656B CN 202010928779 A CN202010928779 A CN 202010928779A CN 111981656 B CN111981656 B CN 111981656B
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004458 analytical method Methods 0.000 claims abstract description 35
- 230000001276 controlling effect Effects 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000003507 refrigerant Substances 0.000 abstract description 26
- 230000008569 process Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 8
- 238000004378 air conditioning Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 239000013526 supercooled liquid Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010835 comparative analysis Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/38—Failure diagnosis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- 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
- F25B13/00—Compression machines, plants or systems, with reversible 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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/10—Pressure
-
- 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
- F25B2500/29—High ambient temperatures
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Thermal Sciences (AREA)
- Fuzzy Systems (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The application relates to a heat exchange system, a control method, a control device and an air conditioner thereof, wherein a single-inlet double-outlet energy adjusting device is arranged in the heat exchange system formed by a compressor, an evaporator and a condenser, and the output end of the compressor can be monitored in real time in the operation process of the heat exchange system, so that corresponding exhaust operation parameters are obtained and compared and analyzed with preset operation parameters. And finally, according to the comparison and analysis result, performing opening adjustment on a first outlet electromagnetic valve arranged at a first outlet end of the energy adjusting device or performing opening adjustment on a second outlet electromagnetic valve arranged at a second outlet end of the energy adjusting device. Through the scheme, when the exhaust operation parameters are changed in a high-temperature environment, the refrigerants of the heat exchange system can be timely distributed through the energy adjusting device, so that the using ring temperature of the heat exchange system is up to 60 ℃ or even higher, and the heat exchange system has the advantage of high-temperature operation reliability compared with the traditional heat exchange system.
Description
Technical Field
The present disclosure relates to the field of heat exchange technologies, and in particular, to a heat exchange system, a control method and a control device thereof, and an air conditioner.
Background
The air conditioner can realize the adjustment of air temperature, humidity, air flow rate and the like, thereby providing a comfortable living environment for people, and being widely used in daily life. The heat exchange system of the air conditioner adopts an evaporator, a condenser and the like as heat exchange devices to realize cold and heat exchange with the external environment, thereby realizing the refrigeration or heating operation for the external environment.
Heat exchange systems may be used at higher ambient temperatures, such as in high temperature dedicated shelter air conditioning units, where there is typically a need for refrigeration operation at ambient temperatures of 65 ℃ or even higher. If the ambient temperature is higher, the pressure and the temperature of the cooling in the heat exchange system are higher, the power of the compressor is increased, the energy consumption is higher, the operation reliability of the compressor is poor, and the service life of the air conditioning equipment is finally reduced. Therefore, the conventional heat exchange system has a disadvantage of poor reliability in high-temperature operation.
Disclosure of Invention
Based on the above, it is necessary to provide a heat exchange system, a control method and a device thereof, and an air conditioner for solving the problem of poor high-temperature operation reliability of the conventional heat exchange system, wherein the heat exchange system, the control method and the device thereof, and the air conditioner can utilize an energy adjusting device to timely distribute the refrigerant of the heat exchange system in a high-temperature environment, so that the using ring temperature of the heat exchange system reaches 60 ℃ or higher, and the heat exchange system has the advantage of strong high-temperature operation reliability compared with the conventional heat exchange system.
A control method of a heat exchange system, comprising: acquiring exhaust operation parameters of a compressor in a heat exchange system, wherein the exhaust operation parameters are acquired and transmitted through an exhaust parameter acquisition device arranged at the outlet end of the compressor; comparing and analyzing according to the exhaust operation parameters and preset operation parameters; opening degree adjustment is carried out on a first outlet electromagnetic valve or a second outlet electromagnetic valve of an energy adjusting device of the heat exchange system according to an analysis result; the inlet end of the energy adjusting device is connected with the outlet end of the condenser of the heat exchange system, the first outlet end of the energy adjusting device is connected with the inlet end of the evaporator of the heat exchange system, the second outlet end of the energy adjusting device is connected with the inlet end of the compressor of the heat exchange system, the first electromagnetic valve is arranged at the first outlet end, and the second electromagnetic valve is arranged at the second outlet end.
In one embodiment, the exhaust operating parameter comprises an exhaust pressure, the preset operating parameter comprises a preset pressure, and the step of performing a comparative analysis based on the exhaust operating parameter and the preset operating parameter comprises: comparing and analyzing according to the exhaust pressure and a preset pressure; the step of adjusting the opening of the first outlet solenoid valve or the second outlet solenoid valve of the energy adjusting device of the heat exchange system according to the analysis result comprises the following steps: and when the exhaust pressure is greater than the preset pressure, controlling a first outlet electromagnetic valve of an energy regulating device of the heat exchange system to increase the opening degree.
In one embodiment, the exhaust gas operation parameter includes an exhaust gas temperature, the preset operation parameter includes a preset temperature, and the step of performing comparative analysis according to the exhaust gas operation parameter and the preset operation parameter includes: comparing and analyzing according to the exhaust temperature and a preset temperature; the step of adjusting the opening of the first outlet solenoid valve or the second outlet solenoid valve of the energy adjusting device of the heat exchange system according to the analysis result comprises the following steps: and when the exhaust temperature is higher than the preset temperature, controlling a second outlet electromagnetic valve of an energy regulating device of the heat exchange system to increase the opening degree.
In one embodiment, the control method further comprises: when the throttling device of the heat exchange system fails, the first outlet electromagnetic valve of the energy adjusting device is closed, and meanwhile, the opening degree of the second outlet electromagnetic valve of the energy adjusting device is controlled to be increased.
In one embodiment, the step of closing the first outlet solenoid valve of the energy modulation device and simultaneously controlling the second outlet solenoid valve of the energy modulation device to increase in opening degree when the throttling device of the heat exchange system fails further comprises: acquiring system operation parameters of a heat exchange system; and analyzing whether a throttling device of the heat exchange system fails according to the system operation parameters.
A control device of a heat exchange system, comprising: the system comprises an exhaust operation parameter acquisition module, a control module and a control module, wherein the exhaust operation parameter acquisition module is used for acquiring exhaust operation parameters of a compressor in a heat exchange system, and the exhaust operation parameters are acquired and transmitted through an exhaust parameter acquisition device arranged at the outlet end of the compressor; the exhaust operation parameter analysis module is used for comparing and analyzing according to the exhaust operation parameters and preset operation parameters; the valve opening adjusting module is used for adjusting the opening of the first outlet electromagnetic valve or the second outlet electromagnetic valve of the energy adjusting device of the heat exchange system according to the analysis result; the inlet end of the energy adjusting device is connected with the outlet end of the condenser of the heat exchange system, the first outlet end of the energy adjusting device is connected with the inlet end of the evaporator of the heat exchange system, the second outlet end of the energy adjusting device is connected with the inlet end of the compressor of the heat exchange system, the first electromagnetic valve is arranged at the first outlet end, and the second electromagnetic valve is arranged at the second outlet end.
The utility model provides a heat exchange system, includes energy adjusting device, exhaust parameter collection device, controller, compressor, condenser and evaporimeter, exhaust parameter collection device set up in the exit end of compressor, the exit end of compressor is connected the entrance point of condenser, the exit end of condenser is connected the entrance point of evaporimeter, the exit end of evaporimeter is connected the entrance point of compressor, energy adjusting device's entrance point is connected the exit end of condenser, energy adjusting device's first exit end is connected the entrance point of evaporimeter, energy adjusting device's second exit end is connected the entrance point of compressor, energy adjusting device with data acquisition device connects respectively the controller, first exit end is provided with first export solenoid valve, second exit end is provided with the second export solenoid valve. The controller is used for adjusting the opening degree of the first outlet electromagnetic valve or the second outlet electromagnetic valve according to the method.
In one embodiment, the exhaust gas parameter collection device includes a temperature collector and/or a pressure collector.
In one embodiment, the heat exchange system further comprises a throttling device disposed between the outlet end of the condenser and the inlet end of the evaporator, the throttling device being connected to the controller.
In one embodiment, the heat exchange system further comprises an operating parameter acquisition device, the operating parameter acquisition device being connected to the controller.
In one embodiment, the operating parameter collection device comprises at least one of a low pressure collector disposed at an inlet end of the compressor and an evaporator temperature collector disposed at the evaporator.
An air conditioner comprises the heat exchange system.
The heat exchange system, the control method, the control device and the air conditioner thereof are characterized in that the single-inlet double-outlet energy adjusting device is arranged in the heat exchange system formed by the compressor, the evaporator and the condenser, and the output end of the compressor can be monitored in real time in the operation process of the heat exchange system, so that the corresponding exhaust operation parameters are obtained and compared with the preset operation parameters for analysis. And finally, according to the comparison and analysis result, performing opening adjustment on a first outlet electromagnetic valve arranged at a first outlet end of the energy adjusting device or performing opening adjustment on a second outlet electromagnetic valve arranged at a second outlet end of the energy adjusting device. Through the scheme, when the exhaust operation parameters are changed in a high-temperature environment, the refrigerants of the heat exchange system can be timely distributed through the energy adjusting device, so that the using ring temperature of the heat exchange system is up to 60 ℃ or even higher, and the heat exchange system has the advantage of high-temperature operation reliability compared with the traditional heat exchange system.
Drawings
In order to more clearly illustrate the technical solutions of embodiments or conventional techniques of the present application, the drawings required for the descriptions of the embodiments or conventional techniques will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic flow diagram of a control method of a heat exchange system according to an embodiment;
FIG. 2 is a flow chart of a control method of the heat exchange system according to another embodiment;
FIG. 3 is a schematic flow chart of a control method of a heat exchange system according to another embodiment;
FIG. 4 is a schematic diagram of a heat exchange system adjustment flow when a throttling device fails in an embodiment;
FIG. 5 is a schematic diagram of a control device of a heat exchange system according to an embodiment;
FIG. 6 is a schematic diagram of a control device of a heat exchange system according to another embodiment;
FIG. 7 is a schematic diagram of a control device of a heat exchange system according to another embodiment;
FIG. 8 is a schematic diagram of a heat exchange system according to an embodiment;
FIG. 9 is a schematic diagram of a heat exchange system in another embodiment;
Fig. 10 is a schematic diagram of a heat exchange system in yet another embodiment.
Detailed Description
In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Preferred embodiments of the present application are shown in the drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1, a control method of a heat exchange system includes step S100, step S200 and step S300.
Step S100, obtaining exhaust gas operation parameters of a compressor in a heat exchange system.
Specifically, the exhaust gas operation parameters are collected and sent by an exhaust gas parameter collection device arranged at the outlet end of the compressor. The exhaust operation parameter is the operation parameter of the heat exchange system acquired at the exhaust pipe (namely the output end) of the compressor. It will be appreciated that the type of exhaust gas operating parameter is not exclusive, as long as it is a parameter that will vary significantly at higher ambient temperatures of the heat exchange system. For example, in one embodiment, the exhaust operation may be exhaust pressure or exhaust temperature. Correspondingly, the type of the exhaust parameter collecting device is not unique, and different exhaust parameter operating devices can be set for collecting the exhaust operating parameters according to different types of exhaust operating parameters. For example, in one embodiment, the exhaust gas parameter collection device is a pressure collector or a temperature collector, for respectively performing an exhaust gas pressure and an exhaust gas temperature collection operation.
And step 200, comparing and analyzing according to the exhaust operation parameters and the preset operation parameters.
Specifically, the exhaust gas parameter acquisition device is connected with the controller, and after the exhaust gas parameter acquisition device acquires the exhaust gas operation parameters, the corresponding exhaust gas operation parameters are sent to the controller of the heat exchange system for further analysis and treatment. Further, the processing mode is to compare and analyze the exhaust operation parameters with preset operation parameters pre-stored in the controller to obtain the magnitude relation between the exhaust operation parameters and the preset operation parameters, and then control the heat exchange system according to the relation between the exhaust operation parameters and the preset operation parameters.
And step S300, opening degree adjustment is carried out on the first outlet electromagnetic valve or the second outlet electromagnetic valve of the energy adjusting device of the heat exchange system according to the analysis result.
Specifically, the inlet end of the energy adjusting device is connected with the outlet end of the condenser of the heat exchange system, the first outlet end of the energy adjusting device is connected with the inlet end of the evaporator of the heat exchange system, the second outlet end of the energy adjusting device is connected with the inlet end of the compressor of the heat exchange system, the first electromagnetic valve is arranged at the first outlet end, and the second electromagnetic valve is arranged at the second outlet end. In this embodiment, a single-inlet and double-outlet energy adjusting device is disposed among the condenser, the evaporator and the compressor, and the refrigerant output from the output end of the condenser can flow in through the inlet end of the energy adjusting device and flow out through the two outlet ends. The refrigerant flowing out of the first outlet end flows into the evaporator, and the refrigerant flowing out of the second outlet end flows into the compressor. Meanwhile, a first outlet end of the energy adjusting device is provided with a first outlet electromagnetic valve for adjusting the flow of the refrigerant flowing into the evaporator, and a second outlet end of the energy adjusting device is also provided with a second outlet electromagnetic valve for adjusting the flow of the refrigerant flowing into the compressor. And after the opening degree of the first outlet electromagnetic valve and the opening degree of the second outlet electromagnetic valve are adjusted according to the comparison result between the exhaust operation parameter and the preset operation parameter, the controller realizes the timely operation state adjustment of the condensing system in a high-temperature environment, so that the heat exchange system can operate at a higher ring temperature.
Referring to FIG. 2, in one embodiment, the exhaust operating parameter includes an exhaust pressure, the preset operating parameter includes a preset pressure, and step S200 includes step S210; the corresponding step S300 includes step S310.
Step S210, comparing and analyzing according to the exhaust pressure and the preset pressure; in step S310, when the exhaust pressure is greater than the preset pressure, the first outlet solenoid valve of the energy adjusting device of the heat exchange system is controlled to increase the opening degree.
Specifically, in the embodiment, the exhaust operation parameter is exhaust pressure, and if the ambient temperature is high during the operation of the heat exchange system, the pressure of the refrigerant will be increased. When the heat exchange system operates under the condition of high pressure, the power of the compressor is increased, the energy efficiency ratio is reduced, and the abrasion of the compressor crankshaft machine scribing is aggravated, so that the service life of the air conditioning equipment is influenced. Therefore, after the controller receives the exhaust pressure acquired and sent by the exhaust parameter acquisition device, the exhaust pressure is directly compared and analyzed with the preset pressure, and when the exhaust pressure is larger than the preset pressure, the opening of the first outlet electromagnetic valve arranged on the energy adjustment device is controlled to be increased, so that supercooled liquid at the outlet of the condenser directly flows into the evaporator, the pressure of cooling in the heat exchange system is reduced, the efficiency of the compressor is improved, the work load of the compressor is reduced, and the running reliability of the refrigerating system is ensured.
It should be noted that, in one embodiment, the opening degree of the first outlet solenoid valve is not limited to the only value, and the controller may determine the difference between the exhaust pressure and the preset pressure, the type of the heat exchange system, the type of the first outlet solenoid valve, and the like, so long as it is ensured that the refrigerant pressure in the heat exchange system can be effectively reduced after the opening degree of the first outlet solenoid valve is increased.
Referring to fig. 3, in one embodiment, the exhaust operation parameters include an exhaust temperature, the preset operation parameters include a preset temperature, and step S200 includes step S220; correspondingly, step S300 includes step S320.
Step S220, comparing and analyzing according to the exhaust temperature and the preset temperature; in step S320, when the exhaust temperature is greater than the preset temperature, the second outlet solenoid valve of the energy adjusting device of the heat exchange system is controlled to increase the opening.
Specifically, in this embodiment, the exhaust operation parameter is an exhaust temperature, and the corresponding preset operation parameter is a preset temperature. During high temperature operation of the heat exchange system, a situation in which the discharge temperature of the compressor is high, i.e. the temperature at the outlet end of the compressor is too high, is often observed. If the compressor is operated continuously under the condition of higher exhaust temperature, the temperature of the motor winding is increased, the freezing oil is carbonized, the built-in protection of the compressor is triggered, and the air conditioning equipment cannot normally operate. Therefore, after the controller receives the exhaust temperature acquired and sent by the exhaust parameter acquisition device, the controller directly compares and analyzes the exhaust temperature with the preset temperature to judge whether the exhaust temperature is higher. If the exhaust temperature is higher than the preset temperature, the exhaust temperature is higher, and at the moment, the controller controls the opening of the second outlet electromagnetic valve arranged on the energy adjusting device to be increased, and supercooled liquid at the outlet of the condenser is injected into the air suction port (namely the inlet end) of the compressor to ensure that the air suction temperature of the compressor is lower, so that the exhaust temperature of the compressor is reduced, and the operation reliability of the refrigerating system is ensured.
Likewise, when the controller adjusts the opening of the second outlet electromagnetic valve, the adjusted opening is not unique, and specifically can be determined according to the difference between the exhaust temperature and the preset temperature, the type of the heat exchange system, the type of the second outlet electromagnetic valve, and the like, so long as the exhaust temperature of the compressor in the heat exchange system can be effectively reduced after the opening of the second outlet electromagnetic valve is increased.
Further, in one embodiment, the inlet end of the compressor is further provided with an air suction temperature collector and a low pressure collector, and according to the low pressure collector, the air suction temperature collector and the temperature collector, the air suction superheat degree and the air discharge superheat degree of the compressor can be determined, so that whether the compressor is in air suction with liquid or not is judged according to the air suction superheat degree and the air discharge superheat degree. Further, in an embodiment, the opening of the second outlet solenoid valve may be further adjusted according to the superheat value, so as to ensure that the compressor effectively reduces the exhaust temperature under the condition that no suction liquid is carried out.
In one embodiment, the method further comprises step S600.
In step S600, when the throttling device of the heat exchange system fails, the first outlet solenoid valve of the energy adjusting device is closed, and the opening degree of the second outlet solenoid valve of the energy adjusting device is controlled to be increased.
Specifically, in this embodiment, a throttling device is further disposed on a pipeline from the outlet end of the condenser to the inlet end of the evaporator, and when the continuous fluid medium flows through the throttling device preset in the pipeline during the movement of the pipeline, the flow beam will form a local reduced diameter state at the throttling device, so that the flow velocity of the fluid medium is increased, and the hydrostatic pressure is relatively reduced. However, in the actual operation process, the throttle device may have faults such as blockage (capillary tube, thermal expansion valve), seizing (electronic expansion valve) and the like due to improper operation of a user and the like, and at this time, the throttle device cannot realize the corresponding function. Under the condition, the controller controls the first outlet electromagnetic valve of the energy regulating device to be closed, increases the opening of the second outlet electromagnetic valve according to the exhaust temperature acquired and sent by the exhaust operation parameter acquisition device, and further realizes the same function as the throttling device by utilizing the second outlet electromagnetic valve, so that the heat exchange system can still normally operate.
It can be understood that the opening adjustment of the second outlet solenoid valve is not unique at this time, and specifically can be determined according to the difference value of the exhaust temperature, the type of the heat exchange system, the type of the second outlet solenoid valve, and the like, so long as it is ensured that the exhaust temperature of the compressor in the heat exchange system can be effectively reduced after the opening adjustment is performed on the second outlet solenoid valve.
Further, referring to fig. 4, in an embodiment, before step S600, the method further includes step S400 and step S500.
Step S400, acquiring system operation parameters of the heat exchange system.
And S500, analyzing whether a throttling device of the heat exchange system fails according to the system operation parameters.
Specifically, in the operation process of the heat exchange system of the embodiment, the controller can also analyze whether the throttling device of the heat exchange system fails according to the system operation parameters of the heat exchange system, so that the controller can adjust in time when the throttling device fails, and the second outlet electromagnetic valve of the energy adjusting device is adopted to replace the throttling device, thereby ensuring the high stable operation of the heat exchange system.
It can be understood that the judging mode of whether the throttling device has a fault is not unique, and the types of the required system operation parameters are different according to different judging modes, and the types of the corresponding operation parameter acquisition devices for acquiring the system operation parameters are not unique. For example, in one embodiment, the judgment of whether the throttling device is damaged may be performed by using a system high-low pressure difference value, where the corresponding system operation parameters include a high pressure value and a low pressure value, where the high pressure value is collected by a pressure collector disposed at an outlet end of the compressor, and the low pressure value is collected by a low pressure collector disposed at an inlet end of the compressor, and when the system high-low pressure difference value is reduced, the throttling device is indicated to be faulty.
In another embodiment, the analysis of whether the throttle device is malfunctioning may also be performed by the difference between the evaporator tube temperature and the return air temperature. The evaporator tube temperature can be collected by an evaporator temperature collector arranged at the evaporator, and the return air temperature can be collected by an outdoor environment temperature collector or input by a user. If the controller analyzes that the difference between the evaporating pipe temperature and the return air temperature is reduced, the throttle device can be considered to be faulty.
According to the control method of the heat exchange system, the single-inlet and double-outlet energy adjusting device is arranged in the heat exchange system formed by the compressor, the evaporator and the condenser, and in the operation process of the heat exchange system, the output end of the compressor can be monitored in real time, and corresponding exhaust operation parameters are obtained and compared with preset operation parameters for analysis. And finally, according to the comparison and analysis result, performing opening adjustment on a first outlet electromagnetic valve arranged at a first outlet end of the energy adjusting device or performing opening adjustment on a second outlet electromagnetic valve arranged at a second outlet end of the energy adjusting device. Through the scheme, when the exhaust operation parameters are changed in a high-temperature environment, the refrigerants of the heat exchange system can be timely distributed through the energy adjusting device, so that the using ring temperature of the heat exchange system is up to 60 ℃ or even higher, and the heat exchange system has the advantage of high-temperature operation reliability compared with the traditional heat exchange system.
Referring to fig. 5, a control device of a heat exchange system includes an exhaust gas operation parameter acquisition module 100, an exhaust gas operation parameter analysis module 200, and a valve opening adjustment module 300.
The exhaust gas operation parameter acquisition module 100 is used for acquiring exhaust gas operation parameters of a compressor in the heat exchange system; the exhaust operation parameter analysis module 200 is used for comparing and analyzing according to the exhaust operation parameter and the preset operation parameter; the valve opening adjustment module 300 is configured to perform opening adjustment on the first outlet solenoid valve or the second outlet solenoid valve of the energy adjustment device of the heat exchange system according to the analysis result.
In one embodiment, the exhaust operating parameter comprises an exhaust pressure, the preset operating parameter comprises a preset pressure, and the exhaust operating parameter analysis module 200 is further configured to compare the exhaust pressure to the preset pressure; the valve opening adjustment module 300 is further configured to control the first outlet solenoid valve of the energy adjustment device of the heat exchange system to increase the opening when the exhaust pressure is greater than the preset pressure.
In one embodiment, the exhaust operating parameters include an exhaust temperature, the preset operating parameters include a preset temperature, and the exhaust operating parameter analysis module 200 is further configured to compare the exhaust temperature to the preset temperature; the valve opening adjustment module 300 is further configured to control the second outlet solenoid valve of the energy adjustment device of the heat exchange system to increase the opening when the exhaust temperature is greater than the preset temperature.
Referring to FIG. 6, in one embodiment, the apparatus further includes a throttle fault adjustment module 500. The throttling failure adjusting module 500 is used for closing the first outlet electromagnetic valve of the energy adjusting device and simultaneously controlling the opening degree of the second outlet electromagnetic valve of the energy adjusting device to be increased when the throttling device of the heat exchange system fails.
Referring to FIG. 7, in one embodiment, prior to throttling the fault adjustment module 500, the apparatus further includes a fault analysis module 400. The fault analysis module 400 is used for obtaining system operation parameters of the heat exchange system; and analyzing whether a throttling device of the heat exchange system fails according to the system operation parameters.
For specific limitations on the control means of the heat exchange system, reference may be made to the above limitations on the control method of the heat exchange system, which are not repeated here. The respective modules in the control device of the heat exchange system described above may be implemented in whole or in part by software, hardware, and combinations thereof. The above modules may be embedded in hardware or may be independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above modules.
According to the control device of the heat exchange system, the single-inlet and double-outlet energy adjusting device is arranged in the heat exchange system formed by the compressor, the evaporator and the condenser, and in the operation process of the heat exchange system, the output end of the compressor can be monitored in real time, and corresponding exhaust operation parameters are obtained and compared with preset operation parameters for analysis. And finally, according to the comparison and analysis result, performing opening adjustment on a first outlet electromagnetic valve arranged at a first outlet end of the energy adjusting device or performing opening adjustment on a second outlet electromagnetic valve arranged at a second outlet end of the energy adjusting device. Through the scheme, when the exhaust operation parameters are changed in a high-temperature environment, the refrigerants of the heat exchange system can be timely distributed through the energy adjusting device, so that the using ring temperature of the heat exchange system is up to 60 ℃ or even higher, and the heat exchange system has the advantage of high-temperature operation reliability compared with the traditional heat exchange system.
Referring to fig. 8, a heat exchange system includes an energy adjusting device 10, an exhaust parameter collecting device 50, a controller (not shown), a compressor 30, a condenser 40 and an evaporator 20, wherein the exhaust parameter collecting device 50 is disposed at an outlet end of the compressor 30, the outlet end of the compressor 30 is connected to an inlet end of the condenser 40, an outlet end of the condenser 40 is connected to an inlet end of the evaporator 20, an outlet end of the evaporator 20 is connected to an inlet end of the compressor 30, an inlet end of the energy adjusting device 10 is connected to an outlet end of the condenser 40, a first outlet end of the energy adjusting device 10 is connected to an inlet end of the evaporator 20, a second outlet end of the energy adjusting device 10 is connected to an inlet end of the compressor 30, the energy adjusting device 10 and the data collecting device are respectively connected to the controller, the first outlet end is provided with a first outlet electromagnetic valve 11, and the second outlet end is provided with a second outlet electromagnetic valve 12; the controller is used for opening adjustment of the first outlet solenoid valve 11 or the second outlet solenoid valve 12 according to the above method.
Specifically, the exhaust gas operation parameter is an operation parameter of the heat exchange system collected at the exhaust pipe (i.e., output end) of the compressor 30. It will be appreciated that the type of exhaust gas operating parameter is not exclusive, as long as it is a parameter that will vary significantly at higher ambient temperatures of the heat exchange system. For example, in one embodiment, the exhaust operation may be exhaust pressure or exhaust temperature. Correspondingly, the type of the exhaust parameter collecting device 50 is not unique, and different exhaust parameter operating devices can be set for collecting the exhaust operating parameters according to different types of exhaust operating parameters. For example, in one embodiment, the exhaust parameter acquisition device 50 is a pressure or temperature acquisition device for performing an exhaust pressure and exhaust temperature acquisition operation, respectively.
The exhaust gas parameter acquisition device 50 is connected with the controller, and after the exhaust gas parameter acquisition device 50 acquires the exhaust gas operation parameters, the corresponding exhaust gas operation parameters are sent to the controller of the heat exchange system for further analysis and treatment. Further, the processing mode is to compare and analyze the exhaust operation parameters with preset operation parameters pre-stored in the controller to obtain the magnitude relation between the exhaust operation parameters and the preset operation parameters, and then control the heat exchange system according to the relation between the exhaust operation parameters and the preset operation parameters.
The inlet end of the energy adjusting device 10 is connected with the outlet end of the condenser 40 of the heat exchange system, the first outlet end of the energy adjusting device 10 is connected with the inlet end of the evaporator 20 of the heat exchange system, the second outlet end of the energy adjusting device 10 is connected with the inlet end of the compressor 30 of the heat exchange system, the first electromagnetic valve is arranged at the first outlet end, and the second electromagnetic valve is arranged at the second outlet end. In this embodiment, a single-inlet and double-outlet energy adjusting device 10 is disposed among the condenser 40, the evaporator 20 and the compressor 30, and the refrigerant output from the output end of the condenser 40 can flow in through the inlet end of the energy adjusting device 10 and flow out through the two outlet ends. Wherein the refrigerant exiting the first outlet port will flow into the evaporator 20 and the refrigerant exiting the second outlet port will flow into the compressor 30. Meanwhile, a first outlet end of the energy adjusting device 10 is provided with a first outlet solenoid valve 11 for adjusting the flow rate of the refrigerant flowing into the evaporator 20, and a second outlet end is also provided with a second outlet solenoid valve 12 for adjusting the flow rate of the refrigerant flowing into the compressor 30. After the controller adjusts the opening of the first outlet electromagnetic valve 11 and the second outlet electromagnetic valve 12 according to the comparison result between the exhaust operation parameter and the preset operation parameter, the timely operation state adjustment of the condensing system in the high-temperature environment is realized, so that the heat exchange system can operate at a higher ring temperature.
Referring to FIG. 9 in combination, in one embodiment, an exhaust parameter acquisition device 50 includes a temperature acquisition device 51 and/or a pressure acquisition device 52.
Specifically, the exhaust operation parameter is exhaust pressure, and if the ambient temperature is high during the operation of the heat exchange system, the pressure of the refrigerant will be increased. When the heat exchange system is operated under the condition of higher pressure, the power of the compressor 30 is increased, the energy efficiency ratio is reduced, and the abrasion of the crankshaft machine scribing of the compressor 30 is aggravated, so that the service life of the air conditioning equipment is influenced. Therefore, after receiving the exhaust pressure collected and sent by the exhaust parameter collecting device 50, the controller directly compares and analyzes the exhaust pressure with the preset pressure, and when the exhaust pressure is greater than the preset pressure, controls the opening of the first outlet electromagnetic valve 11 disposed on the energy adjusting device 10 to increase, so as to directly flow the supercooled liquid at the outlet of the condenser 40 into the evaporator 20, thereby reducing the refrigerant pressure in the heat exchange system, improving the efficiency of the compressor 30, reducing the workload of the compressor 30, and ensuring the operation reliability of the refrigeration system.
When the exhaust operation parameter is the exhaust temperature, the corresponding preset operation parameter is the preset temperature. During operation of the heat exchange system at high temperatures, it is common for the discharge temperature of the compressor 30 to be relatively high, i.e. the temperature at the outlet end of the compressor 30 to be too high. If the compressor 30 is continuously operated under the condition of higher exhaust temperature, the temperature of the motor winding is increased, the freezing oil is carbonized, the built-in protection of the compressor 30 is triggered, and the air conditioning equipment cannot normally operate. Therefore, the controller directly compares and analyzes the exhaust temperature with the preset temperature after receiving the exhaust temperature acquired and transmitted by the exhaust parameter acquisition device 50, and judges whether the exhaust temperature is higher. If the exhaust temperature is higher than the preset temperature, the controller will control the opening of the second outlet solenoid valve 12 provided in the energy adjusting device 10 to increase, and spray the supercooled liquid from the outlet of the condenser 40 into the air inlet (i.e. the inlet end) of the compressor 30, so as to ensure that the temperature of the air sucked by the compressor 30 is lower, thereby reducing the exhaust temperature of the compressor 30 and ensuring the reliability of the operation of the refrigeration system.
It will be appreciated that the types of pressure collector 52 and temperature collector 51 are not exclusive, and in one embodiment, pressure collector 52 is specifically a pressure sensor, while temperature collector 51 is a bulb, and by providing a bulb and a pressure sensor at the outlet end of compressor 30, the collection operation of the exhaust temperature and the exhaust pressure can be performed, respectively. In a more detailed embodiment, the exhaust parameter acquisition device 50 includes both a pressure sensor and a bulb.
Further, referring to fig. 10 in combination, in one embodiment, the inlet end of the compressor 30 is further provided with an intake air temperature collector 73 and a low pressure collector 72, and the intake air superheat degree and the exhaust air superheat degree of the compressor 30 can be determined according to the low pressure collector 72, the pressure collector 52, the intake air temperature collector 73 and the temperature collector 51, so as to determine whether the compressor 30 is intake air with liquid according to the intake air superheat degree and the exhaust air superheat degree. Still further, in one embodiment, the opening of the second outlet solenoid valve 12 may be further adjusted based on the superheat value to ensure that the compressor 30 effectively reduces the discharge temperature without suction entrainment.
Referring to fig. 9 or 10 in combination, in one embodiment, the heat exchange system further includes a throttle device 60, the throttle device 60 being disposed between the outlet end of the condenser 40 and the inlet end of the evaporator 20, the throttle device 60 being connected to the controller.
Specifically, a throttling device 60 is further disposed on a pipeline from the outlet end of the condenser 40 to the inlet end of the evaporator 20, and when the continuous fluid medium flows through the throttling device 60 preset in the pipeline during the movement of the continuous fluid medium in the pipeline, the flow beam will form a local reduced diameter state at the throttling device 60, so that the flow velocity of the fluid medium is increased, and the hydrostatic pressure is relatively reduced. However, in the actual operation process, the throttle device 60 may have faults such as blockage (capillary, thermal expansion valve), seizing (electronic expansion valve) and the like due to improper operation of a user, at this time, the throttle device 60 will not realize a corresponding function, at this time, the controller will control the first outlet electromagnetic valve 11 of the energy adjusting device 10 to be closed, and increase the opening of the second outlet electromagnetic valve 12 according to the exhaust temperature collected and sent by the exhaust operation parameter collecting device, so that the same function as the throttle device 60 is realized by using the second outlet electromagnetic valve 12, and the heat exchange system is ensured to still be able to operate normally.
In one embodiment, the heat exchange system further comprises an operating parameter acquisition device, the operating parameter acquisition device being connected to the controller.
Specifically, in the operation process of the heat exchange system of this embodiment, the controller can also analyze whether the throttling device 60 of the heat exchange system has a fault according to the system operation parameters of the heat exchange system, so that the controller can adjust in time when the throttling device 60 has a fault, and the second outlet electromagnetic valve 12 of the energy adjusting device 10 is adopted to replace the throttling device 60, so as to ensure high stable operation of the heat exchange system.
Referring to fig. 10, in one embodiment, the operation parameter collection device includes at least one of a low pressure collector 72 and an evaporator temperature collector 71, the low pressure collector 72 is disposed at an inlet end of the compressor 30, and the evaporator temperature collector 71 is disposed at the evaporator 20.
It will be appreciated that the determination of whether the throttle device 60 is malfunctioning is not unique, and the type of system operating parameter required is different for different determinations, and the type of corresponding operating parameter acquisition device for acquiring the system operating parameter is not unique. For example, in one embodiment, the determination of whether the throttle device 60 is damaged may be made by a system high-low pressure differential value, where the corresponding system operating parameters include a high pressure value and a low pressure value, where the high pressure value is collected by the pressure collector 52 disposed at the outlet end of the compressor 30 and the low pressure value is collected by the low pressure collector 72 disposed at the inlet end of the compressor 30, and when the system high-low pressure differential value is reduced, the throttle device 60 is indicated to be malfunctioning.
In another embodiment, the analysis of whether the throttle device 60 is malfunctioning may also be performed by the difference between the evaporator tube temperature and the return air temperature. The evaporator tube temperature can be collected by the evaporator temperature collector 71 provided at the evaporator 20, and the return air temperature can be collected by the outdoor ambient temperature collector 51 or input by a user. If the controller analyses a decrease in the difference between the evaporator tube temperature and the return air temperature, the throttle device 60 may be considered to be malfunctioning. It will be appreciated that in one more detailed embodiment, the heat exchange system includes both a low pressure collector 72 and an evaporator temperature collector 71.
In the above heat exchange system, the single-inlet and double-outlet energy adjusting device 10 is disposed in the heat exchange system formed by the compressor 30, the evaporator 20 and the condenser 40, and during the operation of the heat exchange system, the output end of the compressor 30 can be monitored in real time, and the corresponding exhaust operation parameters can be obtained and compared with the preset operation parameters. Finally, the opening degree of the first outlet solenoid valve 11 provided at the first outlet end of the energy adjustment device 10 or the opening degree of the second outlet solenoid valve 12 provided at the second outlet end of the energy adjustment device 10 is adjusted based on the comparison analysis result. Through the scheme, when the exhaust operation parameters are changed in the high-temperature environment, the refrigerants of the heat exchange system can be timely distributed through the energy adjusting device 10, so that the using ring temperature of the heat exchange system is up to 60 ℃ or even higher, and the heat exchange system has the advantage of high-temperature operation reliability compared with the traditional heat exchange system.
An air conditioner comprises the heat exchange system.
Specifically, as shown in the above embodiment, the exhaust gas operation parameter is an operation parameter of the heat exchange system collected at the exhaust pipe (i.e., the output end) of the compressor 30. It will be appreciated that the type of exhaust gas operating parameter is not exclusive, as long as it is a parameter that will vary significantly at higher ambient temperatures of the heat exchange system. For example, in one embodiment, the exhaust operation may be exhaust pressure or exhaust temperature. Correspondingly, the type of the exhaust parameter collecting device 50 is not unique, and different exhaust parameter operating devices can be set for collecting the exhaust operating parameters according to different types of exhaust operating parameters. For example, in one embodiment, the exhaust parameter acquisition device 50 is a pressure acquisition device 52 or a temperature acquisition device 51 for performing an exhaust pressure and exhaust temperature acquisition operation, respectively.
The exhaust gas parameter acquisition device 50 is connected with the controller, and after the exhaust gas parameter acquisition device 50 acquires the exhaust gas operation parameters, the corresponding exhaust gas operation parameters are sent to the controller of the heat exchange system for further analysis and treatment. Further, the processing mode is to compare and analyze the exhaust operation parameters with preset operation parameters pre-stored in the controller to obtain the magnitude relation between the exhaust operation parameters and the preset operation parameters, and then control the heat exchange system according to the relation between the exhaust operation parameters and the preset operation parameters.
The inlet end of the energy adjusting device 10 is connected with the outlet end of the condenser 40 of the heat exchange system, the first outlet end of the energy adjusting device 10 is connected with the inlet end of the evaporator 20 of the heat exchange system, the second outlet end of the energy adjusting device 10 is connected with the inlet end of the compressor 30 of the heat exchange system, the first electromagnetic valve is arranged at the first outlet end, and the second electromagnetic valve is arranged at the second outlet end. In this embodiment, a single-inlet and double-outlet energy adjusting device 10 is disposed among the condenser 40, the evaporator 20 and the compressor 30, and the refrigerant output from the output end of the condenser 40 can flow in through the inlet end of the energy adjusting device 10 and flow out through the two outlet ends. Wherein the refrigerant exiting the first outlet port will flow into the evaporator 20 and the refrigerant exiting the second outlet port will flow into the compressor 30. Meanwhile, a first outlet end of the energy adjusting device 10 is provided with a first outlet solenoid valve 11 for adjusting the flow rate of the refrigerant flowing into the evaporator 20, and a second outlet end is also provided with a second outlet solenoid valve 12 for adjusting the flow rate of the refrigerant flowing into the compressor 30. After the controller adjusts the opening of the first outlet electromagnetic valve 11 and the second outlet electromagnetic valve 12 according to the comparison result between the exhaust operation parameter and the preset operation parameter, the timely operation state adjustment of the condensing system in the high-temperature environment is realized, so that the heat exchange system can operate at a higher ring temperature.
In the above air conditioner, the single-inlet and double-outlet energy adjusting device 10 is disposed in the heat exchange system formed by the compressor 30, the evaporator 20 and the condenser 40, and the output end of the compressor 30 can be monitored in real time during the operation of the heat exchange system, so as to obtain the corresponding exhaust operation parameters and compare and analyze with the preset operation parameters. Finally, the opening degree of the first outlet solenoid valve 11 provided at the first outlet end of the energy adjustment device 10 or the opening degree of the second outlet solenoid valve 12 provided at the second outlet end of the energy adjustment device 10 is adjusted based on the comparison analysis result. Through the scheme, when the exhaust operation parameters are changed in the high-temperature environment, the refrigerant of the heat exchange system can be timely distributed through the energy adjusting device 10, so that the using ring temperature of the heat exchange system can reach 60 ℃ or even higher, and the heat exchange system has the advantage of high-temperature operation reliability compared with the heat exchange system in a traditional air conditioner.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (10)
1. A control method of a heat exchange system, comprising:
acquiring exhaust operation parameters of a compressor in a heat exchange system, wherein the exhaust operation parameters are acquired and transmitted through an exhaust parameter acquisition device arranged at the outlet end of the compressor;
comparing and analyzing according to the exhaust operation parameters and preset operation parameters;
opening degree adjustment is carried out on a first outlet electromagnetic valve or a second outlet electromagnetic valve of an energy adjusting device of the heat exchange system according to an analysis result; the inlet end of the energy adjusting device is connected with the outlet end of the condenser of the heat exchange system, the first outlet end of the energy adjusting device is connected with the inlet end of the evaporator of the heat exchange system, the second outlet end of the energy adjusting device is connected with the inlet end of the compressor of the heat exchange system, the first outlet electromagnetic valve is arranged at the first outlet end, and the second outlet electromagnetic valve is arranged at the second outlet end;
The exhaust operation parameter includes an exhaust pressure, the preset operation parameter includes a preset pressure, and the step of comparing and analyzing according to the exhaust operation parameter and the preset operation parameter includes: comparing and analyzing according to the exhaust pressure and a preset pressure; the step of adjusting the opening of the first outlet solenoid valve or the second outlet solenoid valve of the energy adjusting device of the heat exchange system according to the analysis result comprises the following steps: when the exhaust pressure is greater than the preset pressure, controlling a first outlet electromagnetic valve of an energy regulating device of the heat exchange system to increase the opening degree; or (b)
The exhaust operation parameters include exhaust temperature, the preset operation parameters include preset temperature, and the step of comparing and analyzing according to the exhaust operation parameters and the preset operation parameters includes: comparing and analyzing according to the exhaust temperature and a preset temperature; the step of adjusting the opening of the first outlet solenoid valve or the second outlet solenoid valve of the energy adjusting device of the heat exchange system according to the analysis result comprises the following steps: and when the exhaust temperature is higher than the preset temperature, controlling a second outlet electromagnetic valve of an energy regulating device of the heat exchange system to increase the opening degree.
2. The control method according to claim 1, characterized by further comprising:
when the throttling device of the heat exchange system fails, the first outlet electromagnetic valve of the energy adjusting device is closed, and meanwhile, the opening degree of the second outlet electromagnetic valve of the energy adjusting device is controlled to be increased.
3. The control method according to claim 2, wherein the step of closing the first outlet solenoid valve of the energy adjustment device while controlling the increase in the opening degree of the second outlet solenoid valve of the energy adjustment device when the throttle device of the heat exchange system fails, further comprises, before:
acquiring system operation parameters of a heat exchange system;
and analyzing whether a throttling device of the heat exchange system fails according to the system operation parameters.
4. A control device of a heat exchange system, comprising:
the system comprises an exhaust operation parameter acquisition module, a control module and a control module, wherein the exhaust operation parameter acquisition module is used for acquiring exhaust operation parameters of a compressor in a heat exchange system, and the exhaust operation parameters are acquired and transmitted through an exhaust parameter acquisition device arranged at the outlet end of the compressor;
the exhaust operation parameter analysis module is used for comparing and analyzing according to the exhaust operation parameters and preset operation parameters;
The valve opening adjusting module is used for adjusting the opening of the first outlet electromagnetic valve or the second outlet electromagnetic valve of the energy adjusting device of the heat exchange system according to the analysis result; the inlet end of the energy adjusting device is connected with the outlet end of the condenser of the heat exchange system, the first outlet end of the energy adjusting device is connected with the inlet end of the evaporator of the heat exchange system, the second outlet end of the energy adjusting device is connected with the inlet end of the compressor of the heat exchange system, the first outlet electromagnetic valve is arranged at the first outlet end, and the second outlet electromagnetic valve is arranged at the second outlet end;
the exhaust operation parameters comprise exhaust pressure, the preset operation parameters comprise preset pressure, the exhaust operation parameter analysis module is further used for comparing and analyzing the exhaust pressure with the preset pressure, and the valve opening adjustment module is further used for controlling a first outlet electromagnetic valve of an energy adjustment device of the heat exchange system to increase the opening when the exhaust pressure is greater than the preset pressure; or (b)
The exhaust operation parameters comprise exhaust temperature, the preset operation parameters comprise preset temperature, the exhaust operation parameter analysis module is further used for comparing and analyzing the exhaust temperature with the preset temperature, and the valve opening adjustment module is further used for controlling a second outlet electromagnetic valve of an energy adjustment device of the heat exchange system to increase the opening when the exhaust temperature is greater than the preset temperature.
5. The heat exchange system is characterized by comprising an energy adjusting device, an exhaust parameter collecting device, a controller, a compressor, a condenser and an evaporator, wherein the exhaust parameter collecting device is arranged at the outlet end of the compressor, the outlet end of the compressor is connected with the inlet end of the condenser, the outlet end of the condenser is connected with the inlet end of the evaporator, the outlet end of the evaporator is connected with the inlet end of the compressor, the inlet end of the energy adjusting device is connected with the outlet end of the condenser, the first outlet end of the energy adjusting device is connected with the inlet end of the evaporator, the second outlet end of the energy adjusting device is connected with the inlet end of the compressor, the energy adjusting device and the exhaust parameter collecting device are respectively connected with the controller, and the first outlet end is provided with a first outlet electromagnetic valve and the second outlet end is provided with a second outlet electromagnetic valve;
the controller is configured to perform opening adjustment of the first outlet solenoid valve or the second outlet solenoid valve according to the method of any one of claims 1 to 3.
6. The heat exchange system of claim 5, wherein the exhaust gas parameter collection device comprises a temperature collector and/or a pressure collector.
7. The heat exchange system of claim 5 further comprising a throttling device disposed between the outlet end of the condenser and the inlet end of the evaporator, the throttling device being connected to the controller.
8. The heat exchange system of claim 5 further comprising an operating parameter acquisition device, the operating parameter acquisition device being coupled to the controller.
9. The heat exchange system of claim 8, wherein the operating parameter collection device comprises at least one of a low pressure collector disposed at an inlet end of the compressor and an evaporator temperature collector disposed at the evaporator.
10. An air conditioner comprising the heat exchange system of any one of claims 5-9.
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