CN105674434B - Heating and air conditioner and single cold type air conditioner - Google Patents
Heating and air conditioner and single cold type air conditioner Download PDFInfo
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- 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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- control module
- electronic control
- heat exchanger
- refrigerant passage
- temperature
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/20—Electric components for separate outdoor units
- F24F1/24—Cooling of electric components
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- 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
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
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- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition 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
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.
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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 |
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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 |
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