CN104748255B - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN104748255B CN104748255B CN201510145453.8A CN201510145453A CN104748255B CN 104748255 B CN104748255 B CN 104748255B CN 201510145453 A CN201510145453 A CN 201510145453A CN 104748255 B CN104748255 B CN 104748255B
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- refrigerant flow
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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
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
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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
- F25B2500/00—Problems to be solved
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of air conditioner, including：Compressor, commutation component, outdoor heat exchanger, indoor heat exchanger, the first one-way throttle valve, the second one-way throttle valve, the first refrigerant flow being connected in parallel and the second refrigerant flow, triple valve and electric radiator component.First one-way throttle valve includes the first valve port and the second valve port, and the first valve port is connected with outdoor heat exchanger.Second one-way throttle valve includes the 3rd valve port and the 4th valve port, and the 3rd valve port is connected with indoor heat exchanger.First refrigerant flow and the second refrigerant flow are connected with the second valve port respectively, and the fifth port of triple valve is connected with the 4th valve port, and the 6th port is connected with the first refrigerant flow, and the 7th port is connected with the second refrigerant flow.Electric radiator component includes electric control element and radiating subassembly, and radiating subassembly is connected on the first refrigerant flow.The air conditioner of the present invention, avoids producing condensation water on electric control element and drops the temperature of electric control element too low.
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 fever is big, limits the operation of compressor high frequency in high temperature environments.Most current makes
Automatically controlled radiating mode, is mostly that metal fin is radiated by cross-ventilation.But under outdoor high temperature environment, the heat dissipation
Mode radiates poor, it is common practice that automatically controlled fever is reduced by reducing compressor operation frequency to ensure that air conditioner is normally transported
OK.Strong influence refrigeration effect of the convertible frequency air-conditioner in the case of outdoor application environment temperature is higher, influences user using relaxing
Adaptive.The existing technology to be radiated by low temperature refrigerant to outdoor Electrical Control, which exists, to be produced condensation water or drops the automatically controlled temperature of outdoor unit
It is too low the problem of, and during defrost is heated, thermal shock can be caused to automatically controlled, influence 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 complicated and of high cost, it is difficult to form product.And absorbed during kind of refrigeration cycle there may be the refrigerant using a throttling part
The heat of power device, loses efficiency larger.
The content of the invention
It is contemplated that solve at least some of the technical problems in related technologies.For this reason, the present invention carries
Go out a kind of air conditioner, avoid producing condensation water on electric control element and drop the temperature of electric control element too low, electricity can be improved
Control the reliability and security of element.
Air conditioner according to embodiments of the present invention, including：Compressor, the compressor have exhaust outlet and gas returning port；Change
To component, the commutation component includes first port to the 4th port, the first port with second port and the 3rd port
One of conducting, the 4th port turns on another in the second port and the 3rd port, described
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 include the first valve port and the second valve port, first valve port with it is described
The 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 throttle 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 include the 3rd valve port and the 4th valve port, and the described 3rd
Valve port is connected with the second end of the indoor heat exchanger, on the circulating direction from the 3rd valve port to the 4th valve port,
Second one-way throttle valve is fully on, on the circulating direction from the 4th valve port to the 3rd valve port, described
Two one-way throttle valves are throttle part；The first refrigerant flow and the second refrigerant flow being connected in parallel, first refrigerant flow
It is connected respectively with second valve port with second refrigerant flow；Electric radiator component, the electric radiator component bag
Electric control element and the radiating subassembly for radiating to the electric control element are included, it is cold that the radiating subassembly is connected on described first
On matchmaker's flow path；Triple valve, the triple valve include fifth port to the 7th port, the fifth port and the 6th port and
One of conducting in 7th port, the fifth port are connected with the 4th valve port of second one-way throttle valve,
6th port is connected with first refrigerant flow, and the 7th port is connected with second refrigerant flow.
Air conditioner according to embodiments of the present invention, by equipped with the first one-way throttle valve, the second one-way throttle valve, triple valve
And radiating subassembly, in refrigeration mode, can make temperature approach or the refrigerant of slightly above environment temperature flow through radiating subassembly so as to
Radiate to electric control element.It is possible thereby in the case where not reducing the operating frequency of compressor effectively to electric control element into
Row heat dissipation is (even in the case where environment temperature is higher), so as to ensure air conditioner in the case of environment temperature is higher
Refrigeration effect, improves user's comfort.
The temperature for being additionally, since the refrigerant for flowing into radiating subassembly approaches or slightly above environment temperature, thus can to avoid
Condensation water is produced on electric control element and the temperature of electric control element is dropped it is too low, so as to improve the reliability of electric control element and
Security.In the pattern for heating or freezing, fifth port is turned on the 6th port, enters the temperature of the refrigerant in electric control element
Degree is close or slightly above environment temperature, can be to avoid producing condensation water and the mistake for dropping the temperature of electric control element on electric control element
Low, in defrost pattern, fifth port is turned on the 7th port, passes through the second refrigerant from the refrigerant of the first one-way throttle valve discharge
Flow path is drained into indoor heat exchanger, without flowing through the first refrigerant flow, thus can prevent that the temperature of electric control element is too low, is protected
The reliability of electric control element when demonstrate,proving air conditioner operation.
Preferably, the commutation component is four-way valve.
In some embodiments of the invention, the radiating subassembly includes：Heat-dissipating pipe, the heat-dissipating pipe are connected on described
On one refrigerant flow；Radiation shell, the heat-dissipating pipe are located on the radiation shell, and the radiation shell contacts use with the electric control element
Radiate in the electric control element.
Specifically, the radiation shell includes：Heat-radiating substrate, the heat-radiating substrate are contacted with the electric control element；Fixed gear
Plate, the fixed baffle are located on the heat-radiating substrate, are limited between the fixed baffle and the heat-radiating substrate for holding
Receive the accommodation space of the heat-dissipating pipe.
In some specific examples of the present invention, the both ends of the heat-dissipating pipe are stretched from the opposing sidewalls of the radiation shell respectively
Go out to be connected on first refrigerant flow.
In other specific examples of the present invention, the both ends of the heat-dissipating pipe are stretched from the same side of the radiation shell respectively
Go out to be connected on first refrigerant flow.
According to some embodiments of the present invention, the fixed baffle is equipped with fixed column, and the heat-radiating substrate is equipped with solid
Determine hole, the fixed column is connected with the mounting hole riveted.
In further embodiment of the present invention, the temperature that air conditioner further includes for detecting the electric control element temperature is examined
Survey device, the electric control element is electrically connected with the temperature-detecting device and the triple valve respectively, the electric control element according to
The testing result of the temperature-detecting device controls the fifth port to be turned on the 6th port or the 7th port.
The control method of air conditioner according to the present invention, the air conditioner are above-mentioned air conditioner, the control method bag
Include following steps：
S1：Air conditioner start operation, detects the operating status of the air conditioner；
S2：When it is heating operation to detect air conditioner, the fifth port is turned on the 6th port, when detecting
When air conditioner is refrigerating operaton, the fifth port is turned on the 6th port；
S3：When detecting the air conditioner heat-production operation in step S2, after the air conditioner runs a period of time, inspection
Survey whether air conditioner starts defrost；
S4：When detecting that air conditioner starts defrost, the triple valve switches to the fifth port and is led with the 7th port
It is logical, when the non-defrost of air conditioner, keep the fifth port to be turned on the 6th port；
S5：Detect air conditioner whether defrost complete, when air conditioner does not complete defrost, keep the fifth port with it is described
7th port turns on, and when air conditioner completes defrost, whether detection air conditioner shuts down；
S5：When detecting that air conditioner do not shut down, back to step S1, when air conditioner shuts down, terminate.
Brief description of the drawings
Fig. 1 is the schematic diagram according to the air conditioner of the embodiment of the present invention；
Fig. 2 is the schematic diagram according to the first one-way throttle valve of the embodiment of the present invention；
Fig. 3 is the schematic diagram according to the electric radiator component of one embodiment of the invention；
Fig. 4 is the schematic diagram according to the electric radiator component of another embodiment of the present invention.
Fig. 5 is the flow chart according to the control method of the air conditioner of the embodiment of the present invention.
Reference numeral：
Air conditioner 100,
Compressor 1, exhaust outlet a, gas returning port b,
Commutate component 2, first port c, second port d, the 3rd port e, the 4th port f,
Outdoor heat exchanger 3, indoor heat exchanger 4,
Triple valve 5, fifth port p, the 6th port q, the 7th port r,
Electric radiator component 6, electric control element 60, radiating subassembly 61, heat-dissipating pipe 601, radiation shell 602, heat-radiating substrate
6020th, fixed baffle 6021,
First one-way throttle valve 7, the first valve port m, the second valve port n, housing 163, chamber 1631, spool 164, passage
1641st, first segment 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.
Embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to for explaining 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 ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be based on orientation shown in the drawings or
Position relationship, is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, " multiple " are meant that at least two, such as two, three
It is a etc., unless otherwise specifically defined.
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 integrally；Can be that machinery connects
Connect or be electrically connected or can communicate each other；It can be directly connected, can also be indirectly connected by intermediary, can be with
It is the interaction relationship of connection inside two elements or two elements, unless otherwise restricted clearly.For this area
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
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, it is necessary to illustrate, compressor 1
Structure and operation principle etc. are the 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
One of conducting in port d and the 3rd port e, the 4th port f are led with another in second port d and the 3rd port e
Logical, first port c is connected with exhaust outlet a, and the 4th port f is connected with gas returning port b.That is, work as first port c and second end
During mouth d connections, 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 second of the first valve port m and the second valve port n, the first valve port m and outdoor heat exchanger 3
End is connected, and on from the first valve port m to the circulating direction of the second valve port n, the first one-way throttle valve 7 is fully on, from second
On the circulating direction of valve port n to the first valve port m, 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 h to the 4th valve port j, the second one-way throttle valve 8 is fully on, from the 4th
On the circulating direction of valve port j to the 3rd valve port h, the second one-way throttle valve 8 is throttle part.
First refrigerant flow 9 and the second refrigerant flow 10 are connected in parallel, and the first refrigerant flow 9 and the second refrigerant flow 10 divide
It is not connected with the second valve port n.In other words, refrigerant can enter the first refrigerant flow 9 or the second refrigerant stream by the second valve port n
In road 10.
Electric radiator component 6 includes electric control element 60 and the radiating subassembly 61 for radiating to electric control element 60,
Radiating subassembly 61 is connected on the first refrigerant flow 9.
That is, when refrigerant flows through the first refrigerant flow 9, the electric control element 60 on automatically controlled radiating subassembly 6 can lead to
Refrigerant is crossed to radiate, when refrigerant flows through the second refrigerant flow 10 and does not flow through the first refrigerant flow 9, automatically controlled radiating subassembly 6
On electric control element 60 (for example, air-cooled) can only radiate by other means.
Triple valve 5 includes fifth port p, the 6th port q and the 7th port r, fifth port p and the 6th port q and the 7th
One of conducting in the r of port.In other words, when fifth port p is turned on the 6th port q, fifth port p and the 7th port
R is not turned on, and when fifth port p is turned on the 7th port r, fifth port p is not turned on the 6th port q.
Wherein, fifth port p is connected with the 4th valve port j of the second one-way throttle valve 8, the 6th port q and the first refrigerant stream
Road 9 is connected, and the 7th port r is connected with the second refrigerant flow 10.When fifth port p is turned on the 6th port q, refrigerant flows through first
Refrigerant flow 9 is without flowing through the second refrigerant flow 10；When fifth port p is connected with the 7th port r, refrigerant flows through the second refrigerant
Flow path 10 is without flowing through the first refrigerant flow 9.
Structure and the refrigerant that the first one-way throttle valve 7 is described in detail by taking the first one-way throttle valve 7 as an example below are single first
Flow process into throttle valve 7.Need to illustrate, 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
It is described in detail.
As shown in Fig. 2, the first one-way throttle valve 7 can include：Housing 163, spool 164 and movable part 165.Its
In, there is chamber 1631 in housing 163, spool 164 is located in chamber 1631.Spool 164 has what is connected with chamber 1631 to lead to
Road 1641, the first end of passage 1641 are 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 segment 1642 and the second segment 1643 connected with first segment 1642, first segment 1642
Cross-sectional area be less than the cross-sectional area of second segment 1643, the periphery wall of first segment 1642 is bonded with the inner wall of chamber 1631, the
There is gap, and the side wall of second segment 1643 is equipped with multiple and chamber between two section 1643 of periphery wall and the inner wall of chamber 1631
The intercommunicating pore 1644 that room 1631 connects.Preferably, the sum of area of 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 component 165 is bonded with the inner wall of second segment 1643.Movable part 165 is equipped 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 is moved 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 pass through company
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 closes
Intercommunicating pore 1644 is closed, passage 1641 can not be connected by intercommunicating pore 1644 with chamber 1631, and 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 the first segment 1642 of passage 1641 is entered by the first end of the passage 1641 of spool 164
Interior, under the promotion of refrigerant, movable part 165 moves in second segment 1643 along the direction shown in arrow A, movable part
165 open intercommunicating pore 1644, and after refrigerant enters second segment 1643 by first segment 1642, chamber is entered by intercommunicating pore 1644
In 1631, the first one-way throttle valve 7 plays connecting tube at this time, i.e. the pressure at 1641 both ends of passage 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 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 spool 164, in the promotion of refrigerant
Under, movable part 165 moves in second segment 1643 along the direction shown in arrow B, and movable part 165 closes intercommunicating pore
1644, after refrigerant enters second segment 1643 out of chamber 1631, first segment 1642 is entered by throttling passage 1651, then by
The first end of passage 1641 is exited into chamber 1631, since the cross-sectional area of throttling passage 1651 is much smaller than second segment
1643 cross-sectional area, the pressure difference at 1641 both ends of passage is larger, and the first one-way throttle valve 7 plays throttling action at this time.
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, the first port c of commutation component 2 is connected with second port d and the 3rd end
Mouth e is connected with the 4th port f, fifth port p and the 6th port q conductings.
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 the first list is entered from the refrigerant that outdoor heat exchanger 3 is discharged by the first valve port m
Into throttle valve 7, the first one-way throttle valve 7 is fully at this time plays the role of connecting tube, at this time the fifth port of triple valve 5
P can be turned on the 6th port q, therefore outflow refrigerant can be flowed into the first refrigerant flow 9 from the first one-way throttle valve 7,
Radiate to the electric control element 60 on the radiating subassembly 61 on the first refrigerant flow 9, the refrigerant flowed out from radiating subassembly 61 leads to
5 and the 4th valve port j of triple valve is crossed to enter into the second one-way throttle valve 8.Due to the second one-way throttle valve 8 from the 4th valve port j to
It is throttle part on the circulating direction of 3rd valve port h, therefore converges to the refrigerant in the second one-way throttle valve 8 in the second unidirectional section
Reducing pressure by regulating flow is carried out in stream valve 8.
It is drained into from the refrigerant of the second one-way throttle valve 8 discharge 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, since the temperature for the refrigerant discharged from outdoor heat exchanger 3 is slightly above environment
Temperature and the temperature for being less than radiating subassembly 61, therefore when the refrigerant that temperature is slightly above environment temperature flows through radiating subassembly 61, can
To radiate to electric control element 60, while it can also effectively prevent the generation of condensed water.
When air conditioner 100 is in heating mode, first port c and the 3rd port the e connection of commutation component 2 and second end
Mouth d and the 4th port f connections, the fifth port p of triple valve 5 can be turned on the 6th port q.As shown in Figure 1, from compressor 1
Exhaust outlet a discharge refrigerant be drained into indoor heat exchanger 4 and condensed by first port c and the 3rd port e, from interior
The refrigerant that heat exchanger 4 is discharged is drained into the second one-way throttle valve 8 from the 3rd valve port h, since the second one-way throttle valve 8 is from the 3rd
It is fully on the circulating direction of valve port h to the 4th valve port j, therefore the second one-way throttle valve 8 plays the role of connecting tube.This
When, the fifth port p of triple valve 5 can be turned on the 6th port q, therefore outflow refrigerant can flow from the second one-way throttle valve 8
Enter into the first refrigerant flow 9, radiate to the electric control element 60 on the radiating subassembly 61 on the first refrigerant flow 9, from dissipate
The refrigerant that hot component 61 flows out is drained into the first one-way throttle valve 7 by the second valve port n.
Since the first one-way throttle valve 7 is from the second valve port n to being throttle part on the circulating direction of the first valve port m, because
This refrigerant carries out reducing pressure by regulating flow in the first one-way throttle valve 7, and entering outdoor from the refrigerant of the first one-way throttle valve 7 discharge 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, heating circulation is completed.
When air conditioner 100 is in heating mode, since the temperature for the refrigerant discharged from indoor heat exchanger 4 is slightly above environment
Temperature and the temperature for being less than radiating subassembly 61, the refrigerant that temperature is slightly above environment temperature flow through radiating subassembly 61, can be to automatically controlled
Element 60 radiates, while can also effectively prevent the generation of condensed water, it is ensured that automatically controlled during 100 heating operation of air conditioner
The reliability of element 60.
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, refrigerant, which flows through radiating subassembly 61, in this case to produce thermal shock to electric control element 60.It is preferred that in air conditioner
100 when being in heating and defrosting pattern, and in the incipient stage of heating and defrosting, the fifth port p of triple valve 5 is turned on the 7th port r,
So that refrigerant is flowed through from the second refrigerant flow 10 completely without flow through the first refrigerant flow 9, refrigerant, that is to say, that so that refrigerant is not
Radiating subassembly 61 is flowed through, prevents refrigerant from influencing the service life of electric control element 60 to the thermal shock of electric control element 60.Air-conditioning
When device 100 is in defrosting mode, the first port c of commutation component 2 is connected with second port d and the 3rd port e and the 4th port f
Connection, fifth port p are turned on the 7th port r.
Air conditioner 100 according to embodiments of the present invention, by equipped with the first one-way throttle valve 7, the second one-way throttle valve 8,
Triple valve 5 and radiating subassembly 61, in refrigeration mode, can make that temperature approaches or the refrigerant of slightly above environment temperature flows through heat dissipation
Component 61 is to radiate electric control element 60.It is possible thereby in the case where not reducing the operating frequency of compressor 1 effectively
Ground radiates electric control element 60 (even in the case where environment temperature is higher), so as to ensure that air conditioner 100 exists
Refrigeration effect 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 approaches or slightly above environment temperature, therefore can be to avoid
Condensation water is produced on electric control element 60 and the temperature of electric control element 60 is dropped it is too low, so as to improve electric control element 60
Reliability and security.In heating or refrigeration mode, fifth port p is turned on the 6th port q, is entered in electric control element 60
The temperature of refrigerant approach or slightly above environment temperature, can be to avoid producing condensation water on electric control element 60 and by electric control element
60 temperature drops too low；In defrost pattern, fifth port p is turned on the 7th port r, is discharged from the first one-way throttle valve 7
Refrigerant be drained into by the second refrigerant flow 10 in indoor heat exchanger 4, without flowing through the first refrigerant flow 9, thus can prevent
Only 60 temperature of electric control element is too low, ensures the reliability of electric control element 60 when air conditioner 100 is run.
As shown in Figure 1, in a preferred embodiment of the invention, commutation component 2 is four-way 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, the first pipeline 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 on-off valve on the 4th pipeline, the junction of the first pipeline and second pipe limits
Go out first port c, the junction of 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 4th port f, and the junction of the 3rd pipeline and second pipe limits the 3rd port e, the first on-off valve and
Three on-off valves are turned on and off at the same time, and the second on-off valve and the 4th on-off valve are turned on and off at the same time.
As shown in Figure 3 and Figure 4, according to one embodiment of present invention, radiating subassembly 61 can include：601 He of heat-dissipating pipe
Radiation shell 602.Preferably, heat-dissipating pipe 601 is copper pipe.Thus, it is possible to improve the heat exchanger effectiveness of heat-dissipating pipe 601.Wherein, radiate
Pipe 601 is connected on the first refrigerant flow 9, and refrigerant can the flowing in heat-dissipating pipe 601.Heat-dissipating pipe 601 is located at radiation shell 602
On, radiation shell 602 is contacted with electric control element 60 for radiating to electric control element 60.Thus, it is possible to improve dissipating for radiating subassembly 61
The thermal efficiency, ensures the operation stability of electric control element 60.
Further, radiation shell 602 can include：Heat-radiating substrate 6020 and fixed baffle 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 baffle
6021 are located on heat-radiating substrate 6020, and thus fixed baffle 6021 can directly carry out heat exchange with heat-radiating substrate 6020.Can be with
Understand, particular determination is not done for the connection mode between fixed baffle 6021 and heat-radiating substrate 6020, for example, such as scheming
In example shown in 3 and Fig. 4, fixed baffle 6021 is fitted on heat-radiating substrate 6020.Further, set on fixed baffle 6021
There is fixed column (not shown), heat-radiating substrate 6020 is equipped with mounting hole (not shown), and fixed column is connected with mounting hole riveted.
Thus, it is possible to increase the contact area between fixed baffle 6021 and heat-radiating substrate 6020, and then improve fixed baffle 6021
With the heat exchanger effectiveness between heat-radiating substrate 6020.
To further improve the radiating efficiency of radiating subassembly 61, limited between fixed baffle 6021 and heat-radiating substrate 6020
For accommodating the accommodation space of heat-dissipating pipe 601.Thus, it is possible to increase the heat exchange between fixed baffle 6021 and heat-dissipating pipe 601
Area, and then the radiating efficiency of radiating subassembly 61 can be further improved, ensure the operation stability of electric control element 60.It is preferred that
Ground, the shape of accommodation space are identical with the shape of heat-dissipating pipe 601.Thus, heat-dissipating pipe 601 and fixed baffle are further increased
6021st, the contact area between heat-radiating substrate 6020, heat-dissipating pipe 601 can be direct with fixed baffle 6021, heat-radiating substrate 6020
Carry out heat exchange.
For example, in example as shown in Figure 3 and Figure 4, heat-radiating substrate 6020 towards on the end face of fixed baffle 6021
Equipped with the first groove, the end face towards heat-radiating substrate 6020 of fixed baffle 6021 is equipped with the second groove, the first groove and
Two grooves, which coordinate, limits accommodation space.Thus, easy to which heat-dissipating pipe 601 is installed on radiation shell 602, while also increase scattered
Contact area between heat pipe 601 and heat-radiating substrate 6020, fixed baffle 6021.For convenience of processing, one in the present invention is shown
In example, the cross section of the first groove and the second groove is respectively formed as semicircle.
In example as indicated at 4, to improve the radiating efficiency of radiating subassembly 61, the both ends of heat-dissipating pipe 601 are respectively from scattered
The opposing sidewalls of hot shell 602 are stretched out to be connected on the first refrigerant flow 9.Certainly, the position at the both ends of heat-dissipating pipe 601 and unlimited
In this, to further improve the radiating efficiency of radiating subassembly 61, for example, in example as shown in Figure 3, the two of heat-dissipating pipe 601
End is stretched out from the same side of radiation shell 602 to be connected on the first refrigerant flow 9 respectively.For example, heat-dissipating pipe 601 can be formed as
U-shaped structure, and then length of the heat-dissipating pipe 601 in radiation shell 602 is extended, so as to increase heat-dissipating pipe 601 and heat-radiating substrate
6020th, the contact area between fixed baffle 6021, and then further increase the radiating efficiency of radiating subassembly 61.
In some embodiments of the invention, the temperature that air conditioner 100 is further included for detecting 60 temperature of electric control element is examined
Device (not shown) is surveyed, electric control element 60 is electrically connected with temperature-detecting device and triple valve 5 respectively, and electric control element 60 is according to temperature
The testing result control fifth port p of degree detection device is turned on the 6th port q or the 7th port r.
Wherein temperature-detecting device can be located at the position such as heat-radiating substrate of the neighbouring electric control element 60 of radiating subassembly 61
On 6020, temperature-detecting device can also be directly arranged on electric control element 60.So as to improve the automation journey of air conditioner 100
Degree, and whether can be radiated according to the temperature control of electric control element 60 to electric control element 60 using refrigerant, it is further ensured that
It can effectively radiate to electric control element 60, while can also further avoid the generation of condensed water.
More specifically, the temperature that temperature-detecting device collects can be prejudged temperature with the first anticipation temperature value and second
Value is compared, and when the temperature detected is higher than the first anticipation temperature value, control triple valve 5 makes fifth port p and the 6th end
Mouth q conductings, refrigerant flows through the first refrigerant flow 9, and then cools down to the electric control element 60 on the first refrigerant flow 9, works as inspection
When measuring temperature less than the second anticipation temperature value, control triple valve 5 makes fifth port p be turned on the 7th port r, and refrigerant is from second
Refrigerant flow 10 flows through, without flowing through the first refrigerant flow 9, thus without the electric control element caused on the first refrigerant flow 9
60 temperature is too low, wherein the first anticipation temperature value is not less than the second anticipation temperature value.It is understood that the first anticipation temperature
Value and the concrete numerical value of the second anticipation temperature value can be defined according to actual conditions.
The control method of air conditioner according to embodiments of the present invention is described below in detail.
The control method of the embodiment of the present invention is directed to the air conditioner 100 in above-described embodiment, and control method can wrap
Include following steps：
S1：The start operation of air conditioner 100, detects the operating status of air conditioner 100；
S2：When it is heating operation to detect air conditioner 100, fifth port p is turned on the 6th port q, when detecting sky
When tune device 100 is refrigerating operaton, fifth port p is turned on the 6th port q.
S3：When detecting 100 heating operation of air conditioner in step S2, after air conditioner runs a period of time, detection is empty
Adjust whether device 100 starts defrost；
S4：When detecting that air conditioner 100 starts defrost, triple valve switches to fifth port p and is turned on the 7th port r,
When 100 non-defrost of air conditioner, fifth port p is kept to be turned on the 6th port q；
S5：Detect air conditioner 100 whether defrost complete, when air conditioner 100 does not complete defrost, keep fifth port p with
7th port r is turned on, and when air conditioner 100 completes defrost, whether detection air conditioner 100 shuts down；
S6：When detecting that air conditioner 100 do not shut down, return to step S1, when air conditioner 100 shuts down, terminates.
The control method of air conditioner 100 according to embodiments of the present invention is described in detail with reference to Fig. 5.
The first step：The start operation of air conditioner 100, detects the operating status of air conditioner 100；
Second step：When it is heating operation to detect air conditioner 100, fifth port p is turned on the 6th port q, works as detection
When to air conditioner 100 being refrigerating operaton, fifth port is turned on the 6th port；
3rd step：100 heating operation of air conditioner for a period of time after, detection air conditioner 100 whether carry out defrost；
4th step：When detecting that air conditioner 100 starts defrost, fifth port p is turned on the 7th port r, and otherwise the 5th
Port p is turned on the 6th port q；
5th step：Detecting air conditioner 100, whether defrost is completed, if 100 defrost of air conditioner is completed to enter the 6th step, otherwise
Fifth port p is turned on the 7th port r；
6th step：Whether detection air conditioner 100 shuts down, if terminating, is otherwise back to the first step.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
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 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 and is 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 the spy for combining the embodiment or example description
Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms is not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
Combined in an appropriate manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this area
Art personnel can be tied the different embodiments or example described in this specification and different embodiments or exemplary feature
Close and combine.
Although the embodiment of the present invention has 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, those 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 (8)
- A kind of 1. air conditioner, it is characterised in that including：Compressor, the compressor have exhaust outlet and gas returning port；Commutate component, and the commutation component includes first port to the 4th port, the first port and second port and the 3rd One of conducting in port, the 4th port are turned on another in 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 are 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 include 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 include 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, on the circulating direction from the 3rd valve port to the 4th valve port, described second One-way throttle valve is fully on, on the circulating direction from the 4th valve port to the 3rd valve port, the described second unidirectional section Stream valve is throttle part；The first refrigerant flow and the second refrigerant flow being connected in parallel, first refrigerant flow and second refrigerant flow point It is not connected with second valve port；Electric radiator component, the electric radiator component include electric control element and for radiating to the electric control element Radiating subassembly, the radiating subassembly is connected on first refrigerant flow；Triple valve, the triple valve include fifth port to the 7th port, the fifth port and the 6th port and described One of conducting in 7th port, the fifth port is connected with the 4th valve port of second one-way throttle valve, described 6th port is connected with first refrigerant flow, and the 7th port is connected with second refrigerant flow；Wherein, the air-conditioning Device is controlled by following methods：S1：Air conditioner start operation, detects the operating status of the air conditioner；S2：When it is heating operation to detect air conditioner, the fifth port is turned on the 6th port, when detecting air-conditioning When device is refrigerating operaton, the fifth port is turned on the 6th port；S3：When detecting the air conditioner heat-production operation in step S2, after the air conditioner runs a period of time, detection is empty Adjust whether device starts defrost；S4：When detecting that air conditioner starts defrost, the triple valve switches to the fifth port and is turned on the 7th port, when During the non-defrost of air conditioner, the fifth port is kept to be turned on the 6th port；S5：Detecting air conditioner, whether defrost is completed, and when air conditioner does not complete defrost, keeps the fifth port and the described 7th Port turns on, and when air conditioner completes defrost, whether detection air conditioner shuts down；S6：When detecting that air conditioner do not shut down, back to step S1, when air conditioner shuts down, terminate.
- 2. air conditioner according to claim 1, it is characterised in that the commutation component is four-way valve.
- 3. air conditioner according to claim 1, it is characterised in that the radiating subassembly includes：Heat-dissipating pipe, the heat-dissipating pipe are connected on first refrigerant flow；Radiation shell, the heat-dissipating pipe are located on the radiation shell, and the radiation shell is contacted with the electric control element for described 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 are contacted with the electric control element；Fixed baffle, the fixed baffle are located on the heat-radiating substrate, are limited between the fixed baffle and the heat-radiating substrate Make the accommodation space for accommodating the heat-dissipating pipe.
- 5. air conditioner according to claim 3, it is characterised in that the both ends of the heat-dissipating pipe are respectively from the radiation shell Opposing sidewalls are stretched out to be connected on first refrigerant flow.
- 6. air conditioner according to claim 3, it is characterised in that the both ends of the heat-dissipating pipe are respectively from the radiation shell The same side is stretched out to be connected on first refrigerant flow.
- 7. air conditioner according to claim 4, it is characterised in that the fixed baffle is equipped with fixed column, the heat dissipation Substrate is equipped with mounting hole, and the fixed column is connected with the mounting hole riveted.
- 8. air conditioner according to claim 1, it is characterised in that further include the temperature for detecting the electric control element temperature Detection device is spent, the electric control element is electrically connected with the temperature-detecting device and the triple valve respectively, the electric control element The fifth port is controlled to be turned on the 6th port or the 7th port according to the testing result of the temperature-detecting device.
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| CN201510145453.8A CN104748255B (en) | 2015-03-30 | 2015-03-30 | Air conditioner |
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| CN201510145453.8A CN104748255B (en) | 2015-03-30 | 2015-03-30 | Air conditioner |
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| CN104748255B true CN104748255B (en) | 2018-05-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106352614B (en) * | 2016-11-03 | 2019-04-19 | 广东美的暖通设备有限公司 | Air conditioner and its refrigerant cooling control method |
| CN116045385A (en) * | 2023-02-13 | 2023-05-02 | 珠海格力电器股份有限公司 | Refrigerant heat exchange system, air conditioner and heat exchange method of air conditioner |
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| US5186016A (en) * | 1990-11-06 | 1993-02-16 | Kabushiki Kaisha Toshiba | Defrosting control method and apparatus for air conditioner |
| JPH07174389A (en) * | 1993-12-16 | 1995-07-14 | Mitsubishi Heavy Ind Ltd | Defrosting controller for air-conditioning machine |
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