CN104482597B - Air conditioner - Google Patents
Air conditioner Download PDFInfo
- Publication number
- CN104482597B CN104482597B CN201410748643.4A CN201410748643A CN104482597B CN 104482597 B CN104482597 B CN 104482597B CN 201410748643 A CN201410748643 A CN 201410748643A CN 104482597 B CN104482597 B CN 104482597B
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- Prior art keywords
- port
- valve
- radiating
- control element
- air
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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
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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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
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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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
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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
- F25B41/30—Expansion means; Dispositions thereof
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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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention discloses an air conditioner comprising a compressor, a reversing component, an outdoor heat exchanger, an indoor heat exchanger, a first one-way throttle valve, a second one-way throttle valve, a first coolant channel and a second coolant channel which are connected parallelly and an electric heat radiating component. The first one-way throttle valve comprises a first port and a second port, and the first port is connected to the outdoor heat exchanger. The second one-way throttle valve comprises a third port and a fourth port, and the third port is connected to the indoor heat exchanger. The first coolant channel and the second coolant channel are serially connected between the second valve and the fourth valve, and the first coolant channel is connected to a control valve serially. According to the air conditioner, condensation formed on electronic elements is avoided, and the temperature of the electronic elements is prevented from dropping excessively.
Description
Technical field
The present invention relates to air-conditioning technical field, specifically, more particularly to a kind of air-conditioner.
Background technology
With the development of air-conditioning technical, convertible frequency air-conditioner has in industry obtained universal application.But the room of transducer air conditioning
In outer automatically controlled control system, frequency-variable module heating is big, and the operation of compressor high frequency is limited in high temperature environments.Most current makes
Automatically controlled radiating mode, mostly metal fin are radiated by cross-ventilation.But under outdoor high temperature environment, the radiating
Mode radiates poor, it is common practice that reduce automatically controlled heating by reducing compressor operation frequency to ensure that air-conditioner is normally transported
OK.Strong influence refrigeration of the convertible frequency air-conditioner in the case of outdoor application environment temperature is higher, affects user using relaxing
Adaptive.There is generation condensation water or drop the automatically controlled temperature of off-premises station in the existing technology radiated to outdoor Electrical Control by low temperature refrigerant
Too low problem, and during defrost is heated, thermal shock can be caused to automatically controlled, affect automatically controlled use reliability and
Safety.Such as Publication No. CN102844980, entitled refrigerating plant, not only refrigerant system design complexity, poor in processability, program
Control complexity and high cost, it is difficult to form product.And there may be during kind of refrigeration cycle and absorbed using the refrigerant of a throttling part
The heat of power device, loses larger to efficiency.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.For this purpose, the present invention is carried
Go out a kind of air-conditioner, it is to avoid condensation water is produced on electric control element and by the too low of the temperature drop of electric control element, electricity can be improved
The reliability and security of control element.
Air-conditioner according to embodiments of the present invention, including：Compressor, the compressor has exhaust outlet and gas returning port；Change
To component, the commutation component includes first port to the 4th port, in the first port and second port and the 3rd port
One of conducting, another conducting in the 4th port and the second port and the 3rd port, described the
Single port is connected with the exhaust outlet, and the 4th port is connected with the gas returning port；Outdoor heat exchanger and indoor heat exchanger, institute
The first end for stating outdoor heat exchanger is connected with the second port, the first end of the indoor heat exchanger and the 3rd port phase
Even；First one-way throttle valve, first one-way throttle valve includes the first valve port and the second valve port, first valve port with it is described
Second end of outdoor heat exchanger is connected, and on from first valve port to the circulating direction of second valve port, described first is single
It is fully on to choke valve, on from second valve port to the circulating direction of first valve port, first one-way throttle
Valve is throttle part；Second one-way throttle valve, second one-way throttle valve includes the 3rd valve port and the 4th valve port, the described 3rd
Valve port is connected with the second end of the indoor heat exchanger, from the 3rd valve port to the circulating direction of the 4th valve port,
Second one-way throttle valve is fully on, from the 4th valve port to the circulating direction of the 3rd valve port, described
Two one-way throttle valves are throttle part；The first refrigerant flow being connected in parallel and the second refrigerant flow, first refrigerant flow
And second refrigerant flow is connected on respectively between second valve port and the 4th valve port, on first refrigerant flow
It is in series with the control valve for controlling the cold medium flux of first refrigerant flow；Electric radiator component, the automatically controlled radiating
Device assembly includes electric control element and the radiating subassembly for being radiated to the electric control element, and the radiating subassembly is connected on institute
State on the first refrigerant flow.
Air-conditioner according to embodiments of the present invention, by being provided with the first one-way throttle valve, the second one-way throttle valve, control valve
And radiating subassembly, in refrigeration mode, can make temperature be close to or slightly above environment temperature refrigerant flow through radiating subassembly so as to
Electric control element is radiated.It is possible thereby to effectively enter to electric control element in the case of the operating frequency for not reducing compressor
Row radiates (even in the case where environment temperature is higher), such that it is able to guarantee air-conditioner in the case of environment temperature is higher
Refrigeration, improves user's comfort.
The temperature for being additionally, since the refrigerant for flowing into radiating subassembly is close to or slightly above environment temperature, therefore can avoid
Produce on electric control element condensation water and by the temperature of electric control element drop it is too low, such that it is able to improve electric control element reliability and
Security.In heating mode, when controlling valve and opening, the temperature of the refrigerant entered in electric control element is close to or slightly above ring
Border temperature, can avoid condensation water being produced on electric control element and by the too low of the temperature drop of electric control element, when control valve is closed
When, the refrigerant discharged from the second one-way throttle valve 8 is drained in outdoor heat exchanger by the second refrigerant flow, can prevent condensed water
Produce, it is ensured that the reliability of electric control element when air conditioner heat-production runs.
Preferably, the commutation component is cross valve.
In some embodiments of the invention, the radiating subassembly includes：Radiating tube, the radiating tube is connected on described
On one refrigerant flow；Radiation shell, the radiating tube is located on the radiation shell, and the radiation shell contacts use with the electric control element
In to electric control element radiating.
Specifically, the radiation shell includes：Heat-radiating substrate, the heat-radiating substrate is contacted with the electric control element；Fixed gear
Plate, the fixed dam is located on the heat-radiating substrate, is limited between the fixed dam and the heat-radiating substrate for holding
Receive the receiving space of the radiating tube.
In some specific examples of the present invention, the opposing sidewalls of the two ends of the radiating tube respectively from the radiation shell are stretched
Go out to be connected on first refrigerant flow.
In other specific examples of the present invention, the same side of the two ends of the radiating tube respectively from the radiation shell is stretched
Go out to be connected on first refrigerant flow.
Some embodiments of the invention, the fixed dam is provided with fixed column, and the heat-radiating substrate is provided with solid
Determine hole, the fixed column is connected with the fixing hole riveted.
In further embodiment of the present invention, air-conditioner also includes that the temperature for detecting the electric control element temperature is examined
Survey device, the electric control element electrically connects respectively with the temperature-detecting device and the control valve, the electric control element according to
The aperture of the testing result control control valve of the temperature-detecting device.
Alternatively, it is described to control valve for magnetic valve or electric expansion valve.
In some embodiments of the invention, in the incipient stage for heating defrost, the control valve is closed.
Description of the drawings
Fig. 1 is the schematic diagram of the air-conditioner according to the embodiment of the present invention；
Fig. 2 is the schematic diagram of the first one-way throttle valve according to the embodiment of the present invention；
Fig. 3 is the schematic diagram of the electric radiator component according to one embodiment of the invention；
Fig. 4 is the schematic diagram of the electric radiator component according to another embodiment of the present invention.
Reference：
Air-conditioner 100,
Compressor 1, exhaust outlet a, gas returning port b,
Commutation component 2, first port c, second port d, the 3rd port e, the 4th port f,
Outdoor heat exchanger 3, indoor heat exchanger 4,
Control valve 5,
Electric radiator component 6, electric control element 60, radiating subassembly 61, radiating tube 601, radiation shell 602, heat-radiating substrate
6020th, fixed dam 6021,
First one-way throttle valve 7, the first valve port m, the second valve port n, housing 163, chamber 1631, valve element 164, passage
1641st, first paragraph 1642, second segment 1643, intercommunicating pore 1644, movable part 165, throttling passage 1651,
Second one-way throttle valve 8, the 3rd valve port h, the 4th valve port j, the first refrigerant flow 9, the second refrigerant flow 10.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to
The embodiment of Description of Drawings is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, rather than indicates or imply that the device or element of indication must
With specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or it is integral；Can be that machinery connects
Connect, or electrically connect or can communicate each other；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be with
It is connection or the interaction relationship of two elements of two element internals, unless otherwise clearly restriction.For this area
For those of ordinary skill, above-mentioned term concrete meaning in the present invention can be as the case may be understood.
Air-conditioner 100 according to embodiments of the present invention is described in detail below with reference to Fig. 1-Fig. 4, wherein air-conditioner 100 has
Heating mode, refrigeration mode and heating and defrosting pattern.
As shown in figure 1, air-conditioner 100 according to embodiments of the present invention, including：Compressor 1, commutation component 2, outdoor heat exchange
Device 3, indoor heat exchanger 4, the first refrigerant flow 9, the second refrigerant flow 10, electric radiator component 6, the first one-way throttle valve 7
With the second one-way throttle valve 8.Wherein, compressor 1 has exhaust outlet a and gas returning port b, and needs are illustrated, compressor 1
Structure and operation principle etc. are prior art, are just not described in detail here.
Commutation component 2 includes first port c, second port d, the 3rd port e and the 4th port f, first port c and second
Another in one of conducting in port d and the 3rd port e, the 4th port f and second port d and the 3rd port e is led
Logical, first port c is connected with exhaust outlet a, and the 4th port f is connected with gas returning port b.That is, when first port c and the second end
When mouth d is connected, the 4th port f is connected with the 3rd port e.When first port c is connected with the 3rd port e, the 4th port f and
Two-port netwerk d is connected.
The first end of outdoor heat exchanger 3 is connected with second port d, the first end of indoor heat exchanger 4 and the 3rd port e phases
Even.
First one-way throttle valve 7 includes the first valve port m and the second valve port n, the first valve port m and the second of outdoor heat exchanger 3
End is connected, and on the circulating direction from the first valve port n of valve port m to second, the first one-way throttle valve 7 is fully on, from second
On the circulating direction of the valve port m of valve port n to first, the first one-way throttle valve 7 is throttle part.
Second one-way throttle valve 8 includes the 3rd valve port h and the 4th valve port j, the 3rd valve port h and the second of indoor heat exchanger 4
End is connected, and on the circulating direction from the 3rd valve port j of valve port h to the 4th, the second one-way throttle valve 8 is fully on, from the 4th
On the circulating direction of the valve port h of valve port j to the 3rd, the second one-way throttle valve 8 is throttle part.
First refrigerant flow 9 and the second refrigerant flow 10 are connected in parallel, 10 points of the first refrigerant flow 9 and the second refrigerant flow
It is not connected between the second valve port n and the 4th valve port j, is in series with the first refrigerant flow 9 for controlling the first refrigerant flow 9
The control valve 5 of cold medium flux, that is to say, that control valve 5 has aperture, can pass through the aperture control first of control control valve 5
The cold medium flux of refrigerant flow 9, when the closing of valve 5 is controlled, the first refrigerant flow 9 is in cut-off state, when control valve 5 is opened
When, the first refrigerant flow 9 is in the conduction state.Alternatively, it can be magnetic valve or electric expansion valve to control valve 5.
Electric radiator component 6 includes electric control element 60 and the radiating subassembly 61 for being radiated to electric control element 60,
Radiating subassembly 61 is connected on the first refrigerant flow 9.
The structure and refrigerant for describing the first one-way throttle valve 7 in detail by taking the first one-way throttle valve 7 as an example below is single first
Flow process into choke valve 7.Needs are illustrated, the structure of the second one-way throttle valve 8 and the first one-way throttle valve 7
Structure it is identical, the operation principle of the second one-way throttle valve 8 is identical with the operation principle of the first one-way throttle valve 7, here just not
Describe in detail.
As shown in Fig. 2 the first one-way throttle valve 7 can include：Housing 163, valve element 164 and movable part 165.Its
In, there is chamber 1631 in housing 163, valve element 164 is located in chamber 1631.Valve element 164 has what is connected with chamber 1631 to lead to
Road 1641, the first end of passage 1641 is located at the position of neighbouring first valve port m, and the second end of passage 1641 is located at neighbouring second
At the position of valve port n.Passage 1641 includes first paragraph 1642 and the second segment 1643 connected with first paragraph 1642, first paragraph 1642
Cross-sectional area less than second segment 1643 cross-sectional area, the periphery wall of first paragraph 1642 fits with the inwall of chamber 1631, the
There is gap between two section 1643 of periphery wall and the inwall of chamber 1631, and the side wall of second segment 1643 is provided with multiple and chamber
The intercommunicating pore 1644 of the connection of room 1631.Preferably, the area sum of the cross section of multiple intercommunicating pores 1644 is more than or equal to second segment
1643 cross-sectional area.Movable part 165 is slidably disposed in second segment 1643 to open or close intercommunicating pore 1644, activity
The periphery wall of part 165 is fitted with the inwall of second segment 1643.Movable part 165 is provided with throttling passage 1651, throttling passage
1651 first end is located at the position of neighbouring first valve port m, and the second end of throttling passage 1651 is located at neighbouring second valve port n's
At position, the cross-sectional area of throttling passage 1651 is much smaller than the cross-sectional area of second segment 1643.When movable part 165 moves to neighbour
During the position of nearly second valve port n, movable part 165 opens intercommunicating pore 1644, and the second segment 1643 of passage 1641 can be by connecting
Through hole 1644 is connected with chamber 1631；When movable part 165 moves adjacent to the position of the first valve port m, movable part 165 is closed
Intercommunicating pore 1644 is closed, passage 1641 cannot be connected by intercommunicating pore 1644 with chamber 1631, passage 1641 passes through throttling passage
1651 connect with chamber 1631.
When refrigerant flows to the second valve port n by the first valve port m, direction as denoted by the arrow a in figure 2, refrigerant is by the first valve
Mouth m is entered in chamber 1631, then enters into the first paragraph 1642 of passage 1641 by the first end of the passage 1641 of valve element 164
Interior, under the promotion of refrigerant, movable part 165 is moved in second segment 1643 along the direction shown in arrow A, movable part
165 open intercommunicating pore 1644, and refrigerant is entered into after second segment 1643 by first paragraph 1642, and by intercommunicating pore 1644 chamber is entered into
In 1631, now the first one-way throttle valve 7 plays connecting tube, i.e. the pressure at the two ends of passage 1641 is generally equalized；When cold
When matchmaker flows to the first valve port m by the second valve port n, direction as designated by arrows b in fig, refrigerant enters into chamber by the second valve port n
In 1631, then entered in the second segment 1643 of passage 1641 by the second end of the passage 1641 of valve element 164, in the promotion of refrigerant
Under, movable part 165 is moved in second segment 1643 along the direction shown in arrow B, and movable part 165 closes intercommunicating pore
1644, refrigerant is entered into after second segment 1643 in the chamber 1631, and by throttling passage 1651 first paragraph 1642 is entered into, then by
The first end of passage 1641 is exited in chamber 1631, because the cross-sectional area of throttling passage 1651 is much smaller than second segment
1643 cross-sectional area, the pressure difference at the two ends of passage 1641 is larger, now 7 throttling actions of the first one-way throttle valve.
The course of work of air-conditioner 100 according to embodiments of the present invention is described below with reference to Fig. 1.
When air-conditioner 100 is in refrigeration mode, first port c of the component 2 that commutates is connected and the 3rd end with second port d
Mouth e is connected with the 4th port f, and control valve 5 is in open mode.Needs are illustrated, when control valve 5 is electric expansion valve
When, in cooling mode, the aperture of electric expansion valve should it is larger and cause electric expansion valve do not play reducing pressure by regulating flow effect or
Reducing pressure by regulating flow effect it is less, it is ensured that from control valve 5 flow out refrigerant and from outdoor heat exchanger 3 flow out refrigerant between the temperature difference compared with
It is little.
As shown in the solid arrow in Fig. 1, the refrigerant discharged from the exhaust outlet a of compressor 1 passes through first port c and second
Port d flows into outdoor heat exchanger 3 and is condensed, and it is single that the refrigerant discharged from outdoor heat exchanger 3 enters into first by the first valve port m
To in choke valve 7, now the first one-way throttle valve 7 is fully on plays a part of connecting tube, from the refrigerant that the second valve port n flows out
It is divided into two parts, a portion refrigerant is flowed into the second one-way throttle valve 8 by the second refrigerant flow 10 from the 4th valve port j
In, another part refrigerant is flowed in radiating subassembly 61 by control valve 5 and electric control element 60 is radiated, from radiating subassembly 61
The refrigerant of outflow is flowed in the second one-way throttle valve 8 from the 4th valve port j.That is, two parts refrigerant is in the second unidirectional section
Converge in stream valve 8.Because the second one-way throttle valve 8 is restriction on the circulating direction from the 4th valve port h of valve port j to the 3rd
Part, therefore converge to the refrigerant in the second one-way throttle valve 8 and carry out reducing pressure by regulating flow in the second one-way throttle valve 8.
The refrigerant discharged from the second one-way throttle valve 8 is drained in indoor heat exchanger 4 to freeze to indoor environment, from
The refrigerant that indoor heat exchanger 4 is discharged is expelled back into compressor 1 by the 3rd port e, the 4th port f and gas returning port b, completes refrigeration and follows
Ring.
When air-conditioner 100 is in refrigeration mode, because the temperature of the refrigerant discharged from outdoor heat exchanger 3 is slightly above environment
Temperature, therefore when the refrigerant that temperature is slightly above environment temperature flows through radiating subassembly 61, electric control element 60 can be radiated,
The generation of condensed water can also be effectively prevented simultaneously.
When air-conditioner 100 is in heating mode, first port c and the 3rd port e of the component 2 that commutates are connected and the second end
Mouth d and the 4th port f connections, control valve 5 may be at closed mode or open mode.As shown in the dotted arrow in Fig. 1,
The refrigerant discharged from the exhaust outlet a of compressor 1 be drained in indoor heat exchanger 4 by first port c and the 3rd port e carry out it is cold
Solidifying, the refrigerant discharged from indoor heat exchanger 4 is drained into the second one-way throttle valve 8 from the 3rd valve port h, due to the second one-way throttle valve
8 is fully on the circulating direction from the 3rd valve port j of valve port h to the 4th, therefore the second one-way throttle valve 8 plays connecting tube
Effect.
When control valve 5 is closed, the refrigerant discharged from the second one-way throttle valve 8 passes through the second refrigerant flow 10
Enter in the first one-way throttle valve 7 with the second valve port n.
When valve 5 is controlled in open mode, the refrigerant discharged from the second one-way throttle valve 8 is divided into two parts, a part
It is drained in the first one-way throttle valve 7 by the second refrigerant flow 10 and the second valve port n, it is cold that another part refrigerant enters into first
In matchmaker's stream 9, the part refrigerant is flowed in radiating subassembly 61 and electric control element 60 is radiated, and flows out from radiating subassembly 61
Refrigerant is drained in the first one-way throttle valve 7 by controlling the valve port n of valve 5 and second.
Because the first one-way throttle valve 7 is throttle part on the circulating direction from the second valve port m of valve port n to first, because
This refrigerant carries out reducing pressure by regulating flow in the first one-way throttle valve 7, and the refrigerant discharged from the first one-way throttle valve 7 enters into outdoor and changes
It is evaporated in hot device 3, the refrigerant discharged from outdoor heat exchanger 3 is expelled back into by second port d, the 4th port f and gas returning port b
In compressor 1, complete to heat circulation.
When air-conditioner 100 is in heating mode, because the temperature of the refrigerant discharged from indoor heat exchanger 4 is slightly above environment
Temperature, even if therefore when control valve 5 be in open mode when, temperature is slightly above the refrigerant of environment temperature and flows through radiating subassembly 61,
Electric control element 60 can be radiated, while the generation of condensed water can also be effectively prevented, it is ensured that air-conditioner 100 is heated
The reliability of electric control element 60 during operation.
When air-conditioner 100 heats defrost, the refrigerant temperature flowed out from outdoor heat exchanger 3 due to the incipient stage of defrost is very
Low, in this case refrigerant flows through radiating subassembly 61 can produce thermal shock to electric control element 60.It is preferred that in air-conditioner
100 in heating and defrosting pattern when, in the incipient stage of heating and defrosting, control valve 5 is in dwell period, so as to opening in defrost
In stage beginning, when refrigerant temperature is relatively low, closing control valve 5 causes refrigerant without flow through the first refrigerant flow 9, and refrigerant is completely cold from second
Flow through in matchmaker's stream 10, that is to say, that so that refrigerant is not passed through radiating subassembly 61, prevent cold and hot punching of the refrigerant to electric control element 60
Hit and affect the service life of electric control element 60.When air-conditioner 100 is in defrosting mode, first port c and the of the component 2 that commutates
Two-port netwerk d is connected and the 3rd port e is connected with the 4th port f.Needs are illustrated, and in the defrost stage, control the pass of valve 5
The time of closing can specifically be set according to actual conditions, be not just defined here.
Air-conditioner 100 according to embodiments of the present invention, by be provided with the first one-way throttle valve 7, the second one-way throttle valve 8,
Control valve 5 and radiating subassembly 61, in refrigeration mode, are close to can temperature or the refrigerant of slightly above environment temperature flow through radiating
Component 61 to electric control element 60 to radiate.It is possible thereby in the case where the operating frequency of compressor 1 is not reduced effectively
Ground is radiated (even in the case where environment temperature is higher) to electric control element 60, such that it is able to guarantee that air-conditioner 100 exists
Refrigeration in the case of environment temperature is higher, improves user's comfort.
The temperature for being additionally, since the refrigerant for flowing into radiating subassembly 61 is close to or slightly above environment temperature, therefore can avoid
Condensation water is produced on electric control element 60 and by the too low of the temperature drop of electric control element 60, such that it is able to improve electric control element 60
Reliability and security.In heating mode, when the opening of valve 5 is controlled, the temperature of the refrigerant entered in electric control element 60 connects
Near or slightly above environment temperature, can avoid the mistake for condensation water being produced on electric control element 60 and dropping the temperature of electric control element 60
Low, when the closing of valve 5 is controlled, the refrigerant discharged from the second one-way throttle valve 8 is drained into outdoor and changes by the second refrigerant flow 10
In hot device 3, can prevent condensed water from producing, it is ensured that the reliability of electric control element 60 during 100 heating operation of air-conditioner.
As shown in figure 1, in a preferred embodiment of the invention, commutation component 2 is cross valve.Of course, it should be understood that
The structure not limited to this of commutation component 2, commutation component 2 can include the first pipeline to the 4th pipeline, and the first pipeline is to the 4th pipe
Road joins end to end successively, and the first on-off valve is in series with the first pipeline, and the second on-off valve, the 3rd pipeline are in series with second pipe
On be in series with the 3rd on-off valve, be in series with the 4th pipeline the 4th on-off valve, the first pipeline and second pipe junction limit
The junction for going out first port c, the first pipeline and the 4th pipeline limits the company of second port d, the 4th pipeline and the 3rd pipeline
The place of connecing limits the junction of the 4th port f, the 3rd pipeline and second pipe and limits the 3rd port e, the first on-off valve and
Three on-off valves are turned on and off simultaneously, and the second on-off valve and the 4th on-off valve are turned on and off simultaneously.
As shown in Figure 3 and Figure 4, according to one embodiment of present invention, radiating subassembly 61 can include：The He of radiating tube 601
Radiation shell 602.Preferably, radiating tube 601 is copper pipe.Thus, it is possible to improve the heat exchanger effectiveness of radiating tube 601.Wherein, radiate
Pipe 601 is connected on the first refrigerant flow 9, and refrigerant can the flowing in radiating tube 601.Radiating tube 601 is located at radiation shell 602
On, radiation shell 602 is contacted for radiating to electric control element 60 with electric control element 60.Thus, it is possible to improve dissipating for radiating subassembly 61
The thermal efficiency, it is ensured that the operation stability of electric control element 60.
Further, radiation shell 602 can include：Heat-radiating substrate 6020 and fixed dam 6021.Wherein, heat-radiating substrate
6020 contact with electric control element 60, and the temperature of electric control element 60 can be transferred directly on heat-radiating substrate 6020.Fixed dam
6021 are located on heat-radiating substrate 6020, and thus fixed dam 6021 can directly carry out heat exchange with heat-radiating substrate 6020.Can be with
It is understood by, for the connected mode between fixed dam 6021 and heat-radiating substrate 6020 does not do particular determination, for example, is such as scheming
In example shown in 3 and Fig. 4, fixed dam 6021 is fitted on heat-radiating substrate 6020.Further, set on fixed dam 6021
There is fixed column (not shown), heat-radiating substrate 6020 is provided with fixing hole (not shown), and fixed column is connected with fixing hole riveted.
Thus, it is possible to increase the contact area between fixed dam 6021 and heat-radiating substrate 6020, and then improve fixed dam 6021
With the heat exchanger effectiveness between heat-radiating substrate 6020.
For the radiating efficiency for further improving radiating subassembly 61, limit between fixed dam 6021 and heat-radiating substrate 6020
For accommodating the receiving space of radiating tube 601.Thus, it is possible to increase the heat exchange between fixed dam 6021 and radiating tube 601
Area, and then can further improve the radiating efficiency of radiating subassembly 61, it is ensured that the operation stability of electric control element 60.It is preferred that
Ground, the shape of receiving space is identical with the shape of radiating tube 601.Thus, radiating tube 601 and fixed dam are further increased
6021st, the contact area between heat-radiating substrate 6020, radiating tube 601 can be direct with fixed dam 6021, heat-radiating substrate 6020
Carry out heat exchange.
For example, in example as shown in Figure 3 and Figure 4, on the end face towards fixed dam 6021 of heat-radiating substrate 6020
The first groove is provided with, the end face towards heat-radiating substrate 6020 of fixed dam 6021 is provided with the second groove, the first groove and
Two groove fits limit receiving space.Thus, it is easy to that radiating tube 601 is arranged on radiation shell 602, while also increasing scattered
Contact area between heat pipe 601 and heat-radiating substrate 6020, fixed dam 6021.For convenience of processing, in the present invention shows
In example, the cross section of the first groove and the second groove is respectively formed as semicircle.
It is the radiating efficiency for improving radiating subassembly 61 in example as indicated at 4, the two ends of radiating tube 601 are respectively from dissipating
The opposing sidewalls of hot shell 602 stretch out to be connected on the first refrigerant flow 9.Certainly, the position at the two ends of radiating tube 601 does not limit
It is the radiating efficiency for further improving radiating subassembly 61 in this, for example, in example as shown in Figure 3, the two of radiating tube 601
Stretch out respectively to be connected on the first refrigerant flow 9 from the same side of radiation shell 602 in end.For example, radiating tube 601 can be formed as
U-shaped structure, and then length of the radiating tube 601 in radiation shell 602 is extended, so as to increase radiating tube 601 and heat-radiating substrate
6020th, the contact area between fixed dam 6021, and then further increase the radiating efficiency of radiating subassembly 61.
In some embodiments of the invention, air-conditioner 100 also includes that the temperature for detecting the temperature of electric control element 60 is examined
Device (not shown) is surveyed, electric control element 60 is electrically connected respectively with temperature-detecting device and control valve 5, and electric control element 60 is according to temperature
The aperture of the testing result control control valve 5 of degree detection means.Wherein temperature-detecting device can be located at the neighbour of radiating subassembly 61
On the position such as heat-radiating substrate 6020 of nearly electric control element 60, temperature-detecting device can also be directly arranged on electric control element 60.
Such that it is able to improve the automaticity of air-conditioner 100, and whether refrigerant can be adopted according to the temperature control of electric control element 60
Electric control element 60 is radiated, further ensure effectively to radiate to electric control element 60, while can also enter
One step avoids the generation of condensed water.
More specifically, the temperature that can be collected temperature-detecting device and the first anticipation temperature value and the second anticipation temperature
Value is compared, when the temperature for detecting be higher than the first anticipation temperature value when, open or control control valve 5 aperture increase with
Increase the cold medium flux of the first refrigerant flow 9, when temperature is detected less than the second anticipation temperature value, close or control
The aperture of valve 5 reduces to reduce the cold medium flux of the first refrigerant flow 9, wherein the first anticipation temperature value is not less than the second anticipation temperature
Angle value.It is understood that the concrete numerical value of the first anticipation temperature value and the second anticipation temperature value can be entered according to actual conditions
Row is limited.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with
It is the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level 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 to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combine in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of air-conditioner, it is characterised in that include：
Compressor, the compressor has exhaust outlet and gas returning port；
Commutation component, the commutation component includes first port to the 4th port, the first port and second port and the 3rd
Another conducting in one of conducting in port, the 4th port and the second port and the 3rd port,
The first port is connected with the exhaust outlet, and the 4th port is connected with the gas returning port；
Outdoor heat exchanger and indoor heat exchanger, the first end of the outdoor heat exchanger is connected with the second port, the interior
The first end of heat exchanger is connected with the 3rd port；
First one-way throttle valve, first one-way throttle valve includes the first valve port and the second valve port, first valve port and institute
The second end for stating outdoor heat exchanger is connected, on from first valve port to the circulating direction of second valve port, described first
One-way throttle valve is fully on, on from second valve port to the circulating direction of first valve port, the described first unidirectional section
Stream valve is throttle part；
Second one-way throttle valve, second one-way throttle valve includes the 3rd valve port and the 4th valve port, the 3rd valve port and institute
The second end for stating indoor heat exchanger is connected, from the 3rd valve port to the circulating direction of the 4th valve port, described second
One-way throttle valve is fully on, and from the 4th valve port to the circulating direction of the 3rd valve port, described second unidirectionally saves
Stream valve is throttle part；
The first refrigerant flow being connected in parallel and the second refrigerant flow, first refrigerant flow and second refrigerant flow point
It is not connected between second valve port and the 4th valve port, is in series with first refrigerant flow for controlling described
The control valve of the cold medium flux of one refrigerant flow；
Electric radiator component, the electric radiator component includes electric control element and for radiating to the electric control element
Radiating subassembly, the radiating subassembly is connected on first refrigerant flow.
2. air-conditioner according to claim 1, it is characterised in that the commutation component is cross valve.
3. air-conditioner according to claim 1, it is characterised in that the radiating subassembly includes：
Radiating tube, the radiating tube is connected on first refrigerant flow；
Radiation shell, the radiating tube is located on the radiation shell, and the radiation shell is contacted for described with the electric control element
Electric control element radiates.
4. air-conditioner according to claim 3, it is characterised in that the radiation shell includes：
Heat-radiating substrate, the heat-radiating substrate is contacted with the electric control element；
Fixed dam, the fixed dam is located on the heat-radiating substrate, is limited between the fixed dam and the heat-radiating substrate
Make the receiving space for accommodating the radiating tube.
5. air-conditioner according to claim 3, it is characterised in that the two ends of the radiating tube are respectively from the radiation shell
Opposing sidewalls stretch out to be connected on first refrigerant flow.
6. air-conditioner according to claim 3, it is characterised in that the two ends of the radiating tube are respectively from the radiation shell
Stretch out to be connected on first refrigerant flow in the same side.
7. air-conditioner according to claim 4, it is characterised in that the fixed dam is provided with fixed column, the radiating
Substrate is provided with fixing hole, and the fixed column is connected with the fixing hole riveted.
8. air-conditioner according to claim 1, it is characterised in that also include the temperature for detecting the electric control element temperature
Degree detection means, the electric control element is electrically connected respectively with the temperature-detecting device and the control valve, the electric control element
According to the aperture of the testing result of the temperature-detecting device control control valve.
9. air-conditioner according to claim 1, it is characterised in that described to control valve for magnetic valve or electric expansion valve.
10. the air-conditioner according to any one of claim 1-9, it is characterised in that in the incipient stage for heating defrost, institute
State control valve to close.
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| CN201410748643.4A CN104482597B (en) | 2014-12-08 | 2014-12-08 | Air conditioner |
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| CN201410748643.4A CN104482597B (en) | 2014-12-08 | 2014-12-08 | Air conditioner |
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| CN104482597B true CN104482597B (en) | 2017-05-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509154B (en) * | 2016-01-14 | 2019-07-02 | 青岛海尔空调器有限总公司 | A kind of air conditioner and its control method |
| CN106949568A (en) * | 2017-03-29 | 2017-07-14 | 广东美的暖通设备有限公司 | The automatically controlled anti-condensation control method of air-conditioner coolant radiating and device |
| CN107560007B (en) * | 2017-08-15 | 2021-07-30 | 广东美的暖通设备有限公司 | Air conditioning system and condensation prevention control method and device for refrigerant radiating pipe of air conditioning system |
| CN109520091B (en) * | 2018-11-22 | 2020-10-20 | 广东美的制冷设备有限公司 | Cooling device heat dissipation control method and device, cooling device and storage medium |
| CN109611994A (en) * | 2018-12-22 | 2019-04-12 | 广东志高暖通设备股份有限公司 | A kind of refrigerant radiator and its control method for air conditioner frequency conversion mould group |
| CN110044027A (en) * | 2019-04-15 | 2019-07-23 | 广东美的制冷设备有限公司 | The control method of air-conditioning system |
| CN110044095A (en) * | 2019-04-15 | 2019-07-23 | 广东美的制冷设备有限公司 | Air-conditioning system and air conditioner |
| CN110307601A (en) * | 2019-07-11 | 2019-10-08 | 广东美的制冷设备有限公司 | Air-conditioning system and air conditioner |
| CN110307600A (en) * | 2019-07-11 | 2019-10-08 | 广东美的制冷设备有限公司 | Air-conditioning system and air conditioner |
| CN110186152A (en) * | 2019-07-11 | 2019-08-30 | 芜湖美智空调设备有限公司 | Air conditioner and its control method, control device and computer readable storage medium |
| CN111795474B (en) * | 2020-07-17 | 2021-11-23 | 广东Tcl智能暖通设备有限公司 | Control method and control device of air conditioner, air conditioner and storage medium |
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