CN105674434B - Heating and air conditioner and single cold type air conditioner - Google Patents

Heating and air conditioner and single cold type air conditioner Download PDF

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Publication number
CN105674434B
CN105674434B CN201610177834.9A CN201610177834A CN105674434B CN 105674434 B CN105674434 B CN 105674434B CN 201610177834 A CN201610177834 A CN 201610177834A CN 105674434 B CN105674434 B CN 105674434B
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China
Prior art keywords
control module
electronic control
heat exchanger
refrigerant passage
temperature
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CN201610177834.9A
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Chinese (zh)
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CN105674434A (en
Inventor
宋分平
漆石球
侯泽飞
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Wuhu Meizhi Air Conditioning Equipment Co Ltd
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Wuhu Meizhi Air Conditioning Equipment Co Ltd
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Priority to CN201610177834.9A priority Critical patent/CN105674434B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/20Electric components for separate outdoor units
    • F24F1/24Cooling of electric components
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F25B29/003Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves

Abstract

The invention discloses a kind of heating and air conditioners and single cold type air conditioner.Heating and air conditioner includes: compressor, commutation component, outdoor heat exchanger, subcooler, indoor heat exchanger, restricting element and the radiating subassembly for radiating to electronic control module.The component that commutates includes the first valve port to the 4th valve port.The first end of outdoor heat exchanger is connected with the second valve port.Subcooler includes the first refrigerant passage and the second refrigerant passage mutually to exchange heat, and the first end of the first refrigerant passage is connected with the second end of outdoor heat exchanger, and the first end of the second refrigerant passage is connected with third valve port;The both ends of indoor heat exchanger are connected with the first end of the second end of the second refrigerant passage and restricting element respectively;Radiating subassembly is connected between the second end of the first refrigerant passage and the second end of restricting element.Heating and air conditioner according to an embodiment of the present invention avoids the loss for causing refrigerating capacity when cooling electronic control module, effectively reduces the temperature of electronic control module.

Description

Heating and air conditioner and single cold type air conditioner
Technical field
The present invention relates to refrigerating fields, more particularly, to a kind of heating and air conditioner and single cold type air conditioner.
Background technique
Frequency conversion refrigeration air-conditioner with its features such as energy-efficient increasingly by the welcome of user, the major technique of convertible frequency air-conditioner Feature is to change supply frequency by frequency converter to change the revolving speed of compressor, can be automatically provided according to room availability required Cold (heat) amount;Convertible frequency air-conditioner is compared with fixed frequency air conditioner, and more many electronic modules, this allows for convertible frequency air-conditioner electronics at runtime Module heating is serious, so that two disadvantages are caused, first is that electronic module radiates not in time can burn out frequency converter;Second is that frequency-variable module Fever seriously prevents air-conditioning from running at higher frequencies, so that the heating refrigerating capacity for limiting air conditioner is promoted.
The means directly to radiate to electronic module using the refrigerant come out from condenser are disclosed in the related technology, but It is that this radiating mode makes refrigerant supercooling insufficient, reduces the refrigerating capacity of system, while working as electronic module heating temperature very Gao Shi cannot effectively reduce the temperature of electronic module.
It also discloses and electronic module is carried out in the related technology using the subcooler being connected between condenser and evaporator The technological means of heat dissipation, the refrigerant being discharged from subcooler, which flows to, flows back to compressor after evaporator is evaporated, but above-mentioned heat dissipation Means cannot still effectively reduce the temperature of electronic module when electronic module heating temperature is very high.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
The damage of refrigerating capacity is caused for this purpose, the present invention proposes a kind of heating and air conditioner, when can be to avoid cooling electronic control module It loses, the temperature of electronic control module can also be effectively reduced.
The present invention also proposes a kind of single cold type air conditioner, and the loss of refrigerating capacity is caused when can be to avoid cooling electronic control module, The temperature of electronic control module can also be effectively reduced.
Heating and air conditioner according to an embodiment of the present invention, comprising: compressor, the compressor are equipped with exhaust outlet and return-air Mouthful;Commutate component, and the commutation component includes the first valve port to the 4th valve port, first valve port and the second valve port and third valve One of connection in mouthful, the 4th valve port are connected to another in second valve port and the third valve port, institute It states the first valve port to be connected with the exhaust outlet, the 4th valve port is connected with the gas returning port;Outdoor heat exchanger, the outdoor are changed The first end of hot device is connected with second valve port;Subcooler, the subcooler include the first refrigerant passage for mutually exchanging heat and The first end of second refrigerant passage, first refrigerant passage is connected with the second end of the outdoor heat exchanger, and described second is cold The first end in matchmaker channel is connected with the third valve port;Indoor heat exchanger and restricting element, the both ends point of the indoor heat exchanger It is not connected with the first end of the second end of second refrigerant passage and the restricting element;For radiating to electronic control module Radiating subassembly, the radiating subassembly be connected on first refrigerant passage second end and the restricting element second end it Between, the electronic control module is connected to control commutate component and the compressor with the commutation component and the compressor Operating status.
Heating and air conditioner according to an embodiment of the present invention, using the refrigerant being discharged from indoor heat exchanger to from room when refrigeration The refrigerant of external heat exchanger discharge is subcooled, and the loss of refrigerating capacity is caused when not only can be to avoid cooling electronic control module, can be with The temperature of electronic control module, while simple structure and reasonable design are effectively reduced, it is at low cost.
In some embodiments of the invention, the radiating subassembly includes multiple heat dissipation paths, every heat dissipation channel Both ends be connected respectively with first refrigerant passage and the restricting element, every heat dissipation channel and first refrigerant Control valve is in series between channel, the control valve is connected with the electronic control module.
Further, heating and air conditioner further includes the temperature-detecting device for detecting the electronic control module temperature, institute Electronic control module is stated to be connected with the temperature-detecting device with multiple described according to the control of the testing result of the temperature-detecting device The unlatching number of control valve.
In some embodiments of the invention, three temperature ranges are preset in the electronic control module, the control valve is three A, the electronic control module controls the control valve according to the corresponding temperature range of testing result of the temperature-detecting device Unlatching number.
In some embodiments of the invention, heating and air conditioner further includes fluid reservoir, and the fluid reservoir is equipped with first and connects Mouth and second interface, the first interface are located at the top of fluid reservoir, and the second interface is located at the lower part of the fluid reservoir, institute It states first interface to be connected with second valve port, the second interface is connected with the first end of the outdoor heat exchanger.
Single cold type air conditioner according to an embodiment of the present invention, comprising: compressor, the compressor are equipped with exhaust outlet and return-air Mouthful;Outdoor heat exchanger, the first end of the outdoor heat exchanger are connected with the exhaust outlet;Subcooler, the subcooler include phase The first refrigerant passage and the second refrigerant passage mutually to exchange heat, first end and the outdoor heat exchanger of first refrigerant passage Second end is connected, and the first end of second refrigerant passage is connected with the gas returning port;Indoor heat exchanger and restricting element, it is described The both ends of indoor heat exchanger are connected with the first end of the second end of second refrigerant passage and the restricting element respectively;For To the radiating subassembly that electronic control module radiates, the radiating subassembly is connected on the second end of first refrigerant passage and described Between the second end of restricting element, the electronic control module is connected to control the operating status of the compressor with the compressor.
Single cold type air conditioner according to an embodiment of the present invention, using the refrigerant being discharged from indoor heat exchanger to from room when refrigeration The refrigerant of external heat exchanger discharge is subcooled, and the loss of refrigerating capacity is caused when not only can be to avoid cooling electronic control module, can be with The temperature of electronic control module, while simple structure and reasonable design are effectively reduced, it is at low cost.
In some embodiments of the invention, the radiating subassembly includes multiple heat dissipation paths, every heat dissipation channel Both ends be connected respectively with first refrigerant passage and the restricting element, every heat dissipation channel and first refrigerant Control valve is in series between channel, the control valve is connected with the electronic control module.
Further, single cold type air conditioner further includes the temperature-detecting device for detecting the electronic control module temperature, institute Electronic control module is stated to be connected with the temperature-detecting device with multiple described according to the control of the testing result of the temperature-detecting device The unlatching number of control valve.
In some embodiments of the invention, three temperature ranges are preset in the electronic control module, the control valve is three A, the electronic control module controls the control valve according to the corresponding temperature range of testing result of the temperature-detecting device Unlatching number.
In some embodiments of the invention, single cold type air conditioner further includes fluid reservoir, and the fluid reservoir is equipped with first and connects Mouth and second interface, the first interface are located at the top of fluid reservoir, and the second interface is located at the lower part of the fluid reservoir, institute It states first interface to be connected with the exhaust outlet, the second interface is connected with the first end of the outdoor heat exchanger.
Detailed description of the invention
Fig. 1 is the schematic diagram of heating and air conditioner according to an embodiment of the present invention;
Fig. 2 is the schematic diagram of single cold type air conditioner according to an embodiment of the present invention.
Appended drawing reference:
Heating and air conditioner 100, single cold type air conditioner 200,
Compressor 1, exhaust outlet a, gas returning port b,
Commutate component 2, the first valve port c, the second valve port d, third valve port e, the 4th valve port f,
Outdoor heat exchanger 3,
Subcooler 4, the first refrigerant passage 4a, the second refrigerant passage 4b,
Indoor heat exchanger 5, restricting element 6,
Radiating subassembly 7, heat dissipation channel 7a,
Control valve 8,
Fluid reservoir 9, first interface n, second interface m, outdoor fan 10.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect It connects, is also possible to be electrically connected or can communicate each other;It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Heating and air conditioner 100 according to an embodiment of the present invention, the heating and air conditioner is described in detail below with reference to Fig. 1 100 have refrigeration mode and heating mode.Specifically, heating and air conditioner 100 can be transducer air conditioning.
As shown in Figure 1, heating and air conditioner 100 according to an embodiment of the present invention, comprising: compressor 1, commutation component 2, room External heat exchanger 3, subcooler 4, indoor heat exchanger 5, restricting element 6 and the radiating subassembly 7 for radiating to electronic control module.Its Middle compressor 1 is equipped with exhaust outlet a and gas returning port b, it is to be understood that the structure and working principle of compressor 1 have been existing skill Art, here just without detailed description.
The component 2 that commutates includes the first valve port c to the 4th valve port f, in the first valve port c and the second valve port d and third valve port e One of connection, the 4th valve port f are connected to another in the second valve port d and third valve port e, the first valve port c and exhaust outlet a It is connected, the 4th valve port f is connected with gas returning port b.That is, then the 4th valve port f when the first valve port c is connected to the second valve port d It is connected to third valve port e, when the first valve port c is connected to third valve port e, then the 4th valve port f is connected to the second valve port d.It is preferred that Ground, commutation component 2 are four-way valve.Of course, it should be understood that as long as commutation component 2, which may be formed as other structures, has the One valve port c is to the 4th valve port f and can be commutated.
The first end of outdoor heat exchanger 3 is connected with the second valve port d.Subcooler 4 includes the first refrigerant passage mutually to exchange heat 4a and the second refrigerant passage 4b, the first end of the first refrigerant passage 4a are connected with the second end of outdoor heat exchanger 3, and the second refrigerant is logical The first end of road 4b is connected with third valve port e.The both ends of indoor heat exchanger 5 second end and section with the second refrigerant passage 4b respectively The first end of fluid element 6 is connected, and specifically, restricting element 6 plays the role of reducing pressure by regulating flow, and optionally, restricting element 6 is capillary The combination of pipe, electric expansion valve, heating power expansion valve or said elements.
Radiating subassembly 7 is connected between the second end of the first refrigerant passage 4a and the second end of restricting element 6, electronic control module It is connected with commutation component 2 and compressor 1 to control the operating status of commutation component 2 and compressor 1.
When heating and air conditioner 100 is in refrigeration mode, the first valve port c is connected to the second valve port d and the 4th valve port f and Three valve port e connection.As illustrated by the arrows in fig. 1, it is discharged into from the refrigerant that compressor 1 is discharged by the first valve port c and the second valve port d Condensation heat dissipation is carried out into outdoor heat exchanger 3, the refrigerant being discharged from outdoor heat exchanger 3 is drained into the first refrigerant passage 4a, from The refrigerant of first refrigerant passage 4a discharge is drained into radiating subassembly 7 to radiate to electronic control module, is discharged from radiating subassembly 7 Refrigerant be drained into after the reducing pressure by regulating flow of restricting element 6 in indoor heat exchanger 5 and be evaporated heat absorption, from indoor heat exchanger 5 The refrigerant of discharge is drained into the second refrigerant passage 4b, and the refrigerant being discharged from the second refrigerant passage 4b is by third valve port e and the Four valve port f are expelled back into compressor 1.
Since the temperature of the refrigerant in the second refrigerant passage 4b is lower than the temperature of the refrigerant in the first refrigerant passage 4a, First refrigerant passage 4a and the second refrigerant passage 4b exchange heat, so that the refrigerant in the first refrigerant passage 4a is subcooled, supercooling makes Obtain the loss that not will cause refrigerating capacity when refrigerant passes through the cooling electronic control module of radiating subassembly 7.
Simultaneously because refrigerant in the first refrigerant passage 4a passes through the cooling of the second refrigerant passage 4b, ensure that enter it is scattered The temperature of refrigerant in hot component 7 can effectively reduce the temperature of electronic control module, even if electronic control module temperature is higher can also be with Effectively cooled down.
Heating and air conditioner 100 according to an embodiment of the present invention, using the refrigerant pair being discharged from indoor heat exchanger 5 when refrigeration The refrigerant being discharged from outdoor heat exchanger 3 is subcooled, not only can be to avoid the loss for causing refrigerating capacity when electronic control module is cooled down, also The temperature of electronic control module, while simple structure and reasonable design can be effectively reduced, it is at low cost.
In specific example of the invention, as shown in Figure 1, heating and air conditioner 100 further includes outdoor fan 10, outdoor wind Machine 10 is located at the side of outdoor heat exchanger 3 to direct the air to outdoor heat exchanger 3, so as to improve changing for outdoor heat exchanger 3 Thermal effect.
In some embodiments of the invention, as shown in Figure 1, radiating subassembly 7 includes multiple heat dissipation paths 7a, every heat dissipation The both ends of channel 7a are connected with the first refrigerant passage 4a and restricting element 6 respectively, every heat dissipation paths 7a and the first refrigerant passage Control valve 8 is in series between 4a, control valve 8 is connected with electronic control module.Specifically, when control valve 8 is opened, it is corresponding to radiate Channel 7a is connected to the first refrigerant passage 4a, that is to say, that by control control valve 8 unlatching number, can control with it is automatically controlled The quantity for the heat dissipation channel 7a that module exchanges heat can be with so as to control radiating subassembly 7 to the heat dissipation effect of electronic control module Meet the radiating requirements of different condition, and then the heat dissipation effect to the higher electronic control module of heating temperature can be effectively ensured, together When can also avoid electronic control module generate dew condensation phenomenon.Preferably, control valve 8 is solenoid valve.
In further embodiment of the present invention, heating and air conditioner 100 further includes for detecting electronic control module temperature Temperature-detecting device (not shown go out), electronic control module is connected according to the testing result of temperature-detecting device with temperature-detecting device Control the unlatching number of multiple control valves 8.Specifically, the temperature of electronic control module is higher, the number of the control valve 8 of unlatching is got over It is more, so as to which the heat dissipation effect to the higher electronic control module of heating temperature is effectively ensured, while electronic control module can also be avoided Generate dew condensation phenomenon.Of course, it should be understood that electronic control module can also control the unlatching of control valve 8 according to other testing conditions Number, such as can detecte outdoor environment temperature, the unlatching number of control valve 8, outdoor environment are controlled according to outdoor environment temperature Temperature is lower, and the unlatching number of control valve 8 is fewer;Or it can also be controlled according to the temperature of outdoor environment temperature and electronic control module The unlatching number of control valve 8.
In some embodiments of the invention, three temperature ranges are preset in electronic control module, control valve 8 is three, Electronic control module controls the unlatching number of control valve 8 according to the corresponding temperature range of testing result of temperature-detecting device.It is specific and It says, preset first temperature section, second temperature section, third temperature range in electronic control module, the temperature < of the first temperature range The temperature of the temperature < third temperature range in second temperature section, when the result of temperature-detecting device detection is located at the first humidity province When interior, only control one of control valve 8 and open, when the result that temperature-detecting device detects is located in second temperature section When, control two of them control valve 8 is opened, when the result of temperature-detecting device detection is located in third temperature range, control Three control valves 8 are all turned on.So as to effectively guarantee the heat dissipation effect to electronic control module, while can also avoid automatically controlled Module generates dew condensation phenomenon.
Wherein it is understood that the actual temp range of three temperature ranges can be defined according to the actual situation. Such as first temperature range can be 50 DEG C~60 DEG C, second temperature section can be 60 DEG C~70 DEG C, third temperature range can Think 70 DEG C~85 DEG C.When the temperature of electronic control module reaches 70 DEG C or more, controls three control valves 8 while opening to cool down electricity Control module, when the temperature of electronic control module be lower than 60 DEG C when, in order to prevent electronic control module sub-cooled and cause electronic control module to occur Condensation controls one of control valve 8 and opens.
When the refrigerant entered in heat exchanger be include the mixing refrigerant of gaseous coolant and liquid refrigerants when, since gaseous state is cold Matchmaker is not involved in heat exchange but occupies the space of heat exchanger, can reduce the heat transfer effect of heat exchanger, therefore as shown in Figure 1, in the present invention Some embodiments in, heating and air conditioner 100 further includes fluid reservoir 9, and fluid reservoir 9 is equipped with first interface n and second interface m, First interface n is located at the top of fluid reservoir 9, and second interface m is located at the lower part of fluid reservoir 9, first interface n and the second valve port d phase Even, second interface m is connected with the first end of outdoor heat exchanger 3.
Specifically, fluid reservoir 9 can play the role of gas-liquid separation, it is in refrigeration mode in heating and air conditioner 100 When, the refrigerant being discharged from the second valve port d, which enters, carries out gas-liquid separation in fluid reservoir 9, liquid coolant is discharged simultaneously from second interface m It enters in outdoor heat exchanger 3 and exchanges heat, so as to reduce the amount of the gaseous coolant entered in outdoor heat exchanger 3, into And can reduce the ratio for being not involved in the refrigerant of heat exchange, improve the heat transfer effect of outdoor heat exchanger 3.In heating and air conditioner 100 When in heating mode, the refrigerant being discharged from outdoor heat exchanger 3 is drained into fluid reservoir 9 and carries out gas-liquid separation, gaseous coolant from First interface n is discharged and passes through commutation component 2 and is drained into compressor 1, so as to be avoided to a certain extent because liquid is cold Matchmaker enters compressor 1 and liquid hit phenomenon occurs.
Single cold type air conditioner 200 according to an embodiment of the present invention, the single cold type air conditioner is described in detail below with reference to Fig. 2 200 have refrigeration mode.
As shown in Fig. 2, single cold type air conditioner 200 according to an embodiment of the present invention, comprising: compressor 1, outdoor heat exchanger 3, Subcooler 4, indoor heat exchanger 5, restricting element 6 and the radiating subassembly 7 for radiating to electronic control module.Wherein, compressor 1 Equipped with exhaust outlet a and gas returning port b, it is to be understood that the structure and working principle of compressor 1 have been the prior art, here Without detailed description.
The first end of outdoor heat exchanger 3 is connected with exhaust outlet a.Subcooler 4 includes the first refrigerant passage 4a mutually to exchange heat With the second refrigerant passage 4b, the first end of the first refrigerant passage 4a is connected with the second end of outdoor heat exchanger 3, the second refrigerant passage The first end of 4b is connected with gas returning port b.The both ends of indoor heat exchanger 5 are first with the second end of the second refrigerant passage 4b and throttling respectively The first end of part 6 is connected.Specifically, restricting element 6 plays the role of reducing pressure by regulating flow, optionally, restricting element 6 be capillary, The combination of electric expansion valve, heating power expansion valve or said elements.
Radiating subassembly 7 is connected between the second end of the first refrigerant passage 4a and the second end of restricting element 6.Electronic control module It is connected with compressor 1 to control the operating status of compressor 1.
When single cold type air conditioner 200 is in refrigeration mode, as denoted by the arrows in fig. 2, the refrigerant row being discharged from compressor 1 Entering and carries out condensation heat dissipation into outdoor heat exchanger 3, the refrigerant being discharged from outdoor heat exchanger 3 is drained into the first refrigerant passage 4a, The refrigerant being discharged from the first refrigerant passage 4a is drained into radiating subassembly 7 to radiate to electronic control module, from 7 row of radiating subassembly Refrigerant out, which is drained into indoor heat exchanger 5 after the reducing pressure by regulating flow of restricting element 6, is evaporated heat absorption, from indoor heat exchanger The refrigerant of 5 discharges is drained into the second refrigerant passage 4b, and the refrigerant being discharged from the second refrigerant passage 4b is expelled back into compressor 1.
Since the temperature of the refrigerant in the second refrigerant passage 4b is lower than the temperature of the refrigerant in the first refrigerant passage 4a, First refrigerant passage 4a and the second refrigerant passage 4b exchange heat, so that the refrigerant in the first refrigerant passage 4a is subcooled, supercooling makes Obtain the loss that not will cause refrigerating capacity when refrigerant passes through the cooling electronic control module of radiating subassembly 7.
Simultaneously because refrigerant in the first refrigerant passage 4a passes through the cooling of the second refrigerant passage 4b, ensure that enter it is scattered The temperature of refrigerant in hot component 7 can effectively reduce the temperature of electronic control module, even if electronic control module temperature is higher can also be with Effectively cooled down.
Single cold type air conditioner 200 according to an embodiment of the present invention, using the refrigerant pair being discharged from indoor heat exchanger 5 when refrigeration The refrigerant being discharged from outdoor heat exchanger 3 is subcooled, not only can be to avoid the loss for causing refrigerating capacity when electronic control module is cooled down, also The temperature of electronic control module, while simple structure and reasonable design can be effectively reduced, it is at low cost.
In specific example of the invention, as shown in Fig. 2, single cold type air conditioner 200 further includes outdoor fan 10, outdoor wind Machine 10 is located at the side of outdoor heat exchanger 3 to direct the air to outdoor heat exchanger 3, so as to improve changing for outdoor heat exchanger 3 Thermal effect.
In some embodiments of the invention, as shown in Fig. 2, radiating subassembly 7 includes multiple heat dissipation paths 7a, every heat dissipation The both ends of channel 7a are connected with the first refrigerant passage 4a and restricting element 6 respectively, every heat dissipation paths 7a and the first refrigerant passage Control valve 8 is in series between 4a, control valve 8 is connected with electronic control module.Specifically, when control valve 8 is opened, it is corresponding to radiate Channel 7a is connected to the first refrigerant passage 4a, that is to say, that by control control valve 8 unlatching number, can control with it is automatically controlled The quantity for the heat dissipation channel 7a that module exchanges heat can be with so as to control radiating subassembly 7 to the heat dissipation effect of electronic control module Meet the radiating requirements of different condition, and then the heat dissipation effect to the higher electronic control module of heating temperature can be effectively ensured, together When can also avoid electronic control module generate dew condensation phenomenon.Preferably, control valve 8 is solenoid valve.
In further embodiment of the present invention, single cold type air conditioner 200 further includes for detecting electronic control module temperature Temperature-detecting device, electronic control module are connected to control multiple controls according to the testing result of temperature-detecting device with temperature-detecting device The unlatching number of valve 8 processed.Specifically, the temperature of electronic control module is higher, the number of the control valve 8 of unlatching is more, so as to The heat dissipation effect to the higher electronic control module of heating temperature is effectively ensured, while it is existing that electronic control module can also be avoided to generate condensation As.Of course, it should be understood that electronic control module can also control the unlatching number of control valve 8 according to other testing conditions, such as It can detecte outdoor environment temperature, the unlatching number of control valve 8 controlled according to outdoor environment temperature, outdoor environment temperature is lower, The unlatching number of control valve 8 is fewer;Or control valve 8 can also be controlled according to the temperature of outdoor environment temperature and electronic control module Open number.
In some embodiments of the invention, three temperature ranges are preset in electronic control module, control valve 8 is three, Electronic control module controls the unlatching number of control valve 8 according to the corresponding temperature range of testing result of temperature-detecting device.It is specific and It says, preset first temperature section, second temperature section, third temperature range in electronic control module, the temperature < of the first temperature range The temperature of the temperature < third temperature range in second temperature section, when the result of temperature-detecting device detection is located at the first humidity province When interior, only control one of control valve 8 and open, when the result that temperature-detecting device detects is located in second temperature section When, control two of them control valve 8 is opened, when the result of temperature-detecting device detection is located in third temperature range, control Three control valves 8 are all turned on.So as to effectively guarantee the heat dissipation effect to electronic control module, while can also avoid automatically controlled Module generates dew condensation phenomenon.
Wherein it is understood that the actual temp range of three temperature ranges can be defined according to the actual situation. Such as first temperature range can be 50 DEG C~60 DEG C, second temperature section can be 60 DEG C~70 DEG C, third temperature range can Think 70 DEG C~85 DEG C.When the temperature of electronic control module reaches 70 DEG C or more, controls three control valves 8 while opening to cool down electricity Control module, when the temperature of electronic control module be lower than 60 DEG C when, in order to prevent electronic control module sub-cooled and cause electronic control module to occur Condensation controls one of control valve 8 and opens.
When the refrigerant entered in heat exchanger be include the mixing refrigerant of gaseous coolant and liquid refrigerants when, since gaseous state is cold Matchmaker is not involved in heat exchange but occupies the space of heat exchanger, can reduce the heat transfer effect of heat exchanger, therefore as shown in Fig. 2, in the present invention Some embodiments in, single cold type air conditioner 200 further includes fluid reservoir 9, and fluid reservoir 9 is equipped with first interface n and second interface m, First interface n is located at the top of fluid reservoir 9, and second interface m is located at the lower part of fluid reservoir 9, and first interface n is connected with exhaust outlet a, Second interface m is connected with the first end of outdoor heat exchanger 3.
Specifically, fluid reservoir 9 can play the role of gas-liquid separation, it is in refrigeration mode in single cold type air conditioner 200 When, the refrigerant being discharged from exhaust outlet a, which enters, carries out gas-liquid separation in fluid reservoir 9, liquid coolant is gone forward side by side from second interface m discharge Enter into outdoor heat exchanger 3 and exchange heat, so as to reduce the amount of the gaseous coolant entered in outdoor heat exchanger 3, in turn The ratio for being not involved in the refrigerant of heat exchange can be reduced, the heat transfer effect of outdoor heat exchanger 3 is improved.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below " One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, modifies, replacement and variant.

Claims (10)

1. a kind of heating and air conditioner characterized by comprising
Compressor, the compressor are equipped with exhaust outlet and gas returning port;
Commutate component, and the commutation component includes the first valve port to the 4th valve port, first valve port and the second valve port and third One of connection in valve port, the 4th valve port are connected to another in second valve port and the third valve port, First valve port is connected with the exhaust outlet, and the 4th valve port is connected with the gas returning port;
Outdoor heat exchanger, the first end of the outdoor heat exchanger are connected with second valve port;
Subcooler, the subcooler include the first refrigerant passage and the second refrigerant passage mutually to exchange heat, and first refrigerant is logical The first end in road is connected with the second end of the outdoor heat exchanger, the first end of second refrigerant passage and the third valve port It is connected;
Indoor heat exchanger and restricting element, the both ends of the indoor heat exchanger respectively with the second end of second refrigerant passage and The first end of the restricting element is connected;
Radiating subassembly for radiating to electronic control module, the radiating subassembly are connected on the second of first refrigerant passage Between end and the second end of the restricting element, the electronic control module is connected to control with the commutation component and the compressor The operating status of the commutation component and the compressor.
2. heating and air conditioner according to claim 1, which is characterized in that the radiating subassembly includes that a plurality of heat dissipation is logical Road, the both ends of every heat dissipation channel are connected with first refrigerant passage and the restricting element respectively, and every described scattered Control valve is in series between the passage of heat and first refrigerant passage, the control valve is connected with the electronic control module.
3. heating and air conditioner according to claim 2, which is characterized in that further include for detecting the electronic control module temperature The temperature-detecting device of degree, the electronic control module are connected according to the inspection of the temperature-detecting device with the temperature-detecting device Survey the unlatching number that result controls multiple control valves.
4. heating and air conditioner according to claim 3, which is characterized in that preset three humidity provinces in the electronic control module Between, the control valve is three, and the electronic control module is according to the corresponding temperature of testing result of the temperature-detecting device The unlatching number of control valve described in range restraint.
5. heating and air conditioner according to claim 1, which is characterized in that further include fluid reservoir, the fluid reservoir is equipped with First interface and second interface, the first interface are located at the top of fluid reservoir, and the second interface is located at the fluid reservoir Lower part, the first interface are connected with second valve port, and the second interface is connected with the first end of the outdoor heat exchanger.
6. a kind of single cold type air conditioner characterized by comprising
Compressor, the compressor are equipped with exhaust outlet and gas returning port;
Outdoor heat exchanger, the first end of the outdoor heat exchanger are connected with the exhaust outlet;
Subcooler, the subcooler include the first refrigerant passage and the second refrigerant passage mutually to exchange heat, and first refrigerant is logical The first end in road is connected with the second end of the outdoor heat exchanger, the first end of second refrigerant passage and the gas returning port phase Even;
Indoor heat exchanger and restricting element, the both ends of the indoor heat exchanger respectively with the second end of second refrigerant passage and The first end of the restricting element is connected;
Radiating subassembly for radiating to electronic control module, the radiating subassembly are connected on the second of first refrigerant passage Between end and the second end of the restricting element, the electronic control module is connected to control the fortune of the compressor with the compressor Row state.
7. single cold type air conditioner according to claim 6, which is characterized in that the radiating subassembly includes that a plurality of heat dissipation is logical Road, the both ends of every heat dissipation channel are connected with first refrigerant passage and the restricting element respectively, and every described scattered Control valve is in series between the passage of heat and first refrigerant passage, the control valve is connected with the electronic control module.
8. single cold type air conditioner according to claim 7, which is characterized in that further include for detecting the electronic control module temperature The temperature-detecting device of degree, the electronic control module are connected according to the inspection of the temperature-detecting device with the temperature-detecting device Survey the unlatching number that result controls multiple control valves.
9. single cold type air conditioner according to claim 8, which is characterized in that preset three humidity provinces in the electronic control module Between, the control valve is three, and the electronic control module is according to the corresponding temperature of testing result of the temperature-detecting device The unlatching number of control valve described in range restraint.
10. single cold type air conditioner according to claim 6, which is characterized in that further include fluid reservoir, the fluid reservoir is equipped with First interface and second interface, the first interface are located at the top of fluid reservoir, and the second interface is located at the fluid reservoir Lower part, the first interface are connected with the exhaust outlet, and the second interface is connected with the first end of the outdoor heat exchanger.
CN201610177834.9A 2016-03-23 2016-03-23 Heating and air conditioner and single cold type air conditioner Active CN105674434B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106225292A (en) * 2016-07-27 2016-12-14 重庆美的通用制冷设备有限公司 Net for air-source heat pump units system
CN106352615B (en) * 2016-11-03 2019-12-20 广东美的暖通设备有限公司 Air conditioner and refrigerant heat dissipation control method thereof
CN107062464A (en) * 2017-01-06 2017-08-18 中山市爱美泰电器有限公司 The heat abstractor and transducer air conditioning of a kind of power model
CN107490090B (en) * 2017-09-27 2020-08-04 广东美的暖通设备有限公司 Air conditioner
CN114110817A (en) * 2020-08-26 2022-03-01 广东美的暖通设备有限公司 Air conditioner and outdoor unit of air conditioner
CN114111087B (en) * 2020-08-26 2023-01-31 广东美的暖通设备有限公司 Air conditioning system and control method thereof
CN114126332B (en) * 2020-08-26 2023-06-02 广东美的暖通设备有限公司 Air conditioning system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203797826U (en) * 2014-03-28 2014-08-27 珠海格力电器股份有限公司 Temperature control system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100665744B1 (en) * 2005-12-30 2007-01-10 위니아만도 주식회사 Heat-pump air-conditioner
JP5577801B2 (en) * 2010-04-07 2014-08-27 ダイキン工業株式会社 Refrigeration equipment
CN203671769U (en) * 2013-12-18 2014-06-25 广东美的制冷设备有限公司 Cooling and heating type air conditioner and single cooling type air conditioner
CN104729162B (en) * 2013-12-24 2018-02-27 珠海格力电器股份有限公司 Cooling system and the air conditioner with the cooling system
CN103912930A (en) * 2014-03-28 2014-07-09 珠海格力电器股份有限公司 Temperature control system
CN205536252U (en) * 2016-03-23 2016-08-31 芜湖美智空调设备有限公司 Cooling and heating type air conditioner and single cooling type air conditioner

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203797826U (en) * 2014-03-28 2014-08-27 珠海格力电器股份有限公司 Temperature control system

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