CN206514567U - A kind of air conditioner - Google Patents
A kind of air conditioner Download PDFInfo
- Publication number
- CN206514567U CN206514567U CN201720190528.9U CN201720190528U CN206514567U CN 206514567 U CN206514567 U CN 206514567U CN 201720190528 U CN201720190528 U CN 201720190528U CN 206514567 U CN206514567 U CN 206514567U
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- magnetic valve
- circulation loop
- auxiliary
- valve
- air conditioner
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Abstract
The utility model discloses a kind of air conditioner, including the refrigeration that is followed in series to form of compressor, four-way reversing valve, indoor heat converter, restricting element and outdoor heat converter or heats the first main circulation loop；And the second auxiliary circulation loop is provided between restricting element and four-way reversing valve；First main circulation loop, in addition to the 3rd magnetic valve and the 4th magnetic valve in indoor heat converter refrigerant flow are connected to, the first main circulation loop is by the 3rd magnetic valve and the 4th solenoid valve control break-make；Second auxiliary circulation loop, including the first magnetic valve and heater being sequentially connected in series, the input of the first magnetic valve are accessed in the refrigerant flow after being throttled through restricting element, in the refrigerant flow of the output end access indoor heat converter outflow of heater；Second auxiliary circulation loop is by the first solenoid valve control break-make.The utility model makes air conditioner efficiently, reduce defrosting time in defrosting, improves the comfort level of air conditioner by increasing by the second auxiliary circulation loop and heater.
Description
Technical field
The utility model is related to intelligent air condition technical field, more specifically, and the utility model is air conditioner.
Background technology
At present, air conditioner is run at low ambient temperatures when heating, because outdoor environment temperature is very low, during one section of general operation
Between post-condenser will tie full frost, at this moment air-conditioner system will make defrost processing.During defrost (3-10 minutes),
Indoor set is closed, and air-conditioner system is in refrigeration mode, can just be again introduced into and heat after defrost is fully completed
Pattern.Obviously during defrost, air conditioner can not be provided and heated, and have a strong impact on the comfort level and satisfaction of user.
Utility model content
To solve the problems such as existing air conditioner comfort level is bad, defrosting time is long, the utility model provides a kind of empty
Device is adjusted, by increasing by the second auxiliary circulation loop and heater, air conditioner efficiently, is reduced defrosting time in defrosting, improves
The comfort level of air conditioner.
To realize above-mentioned technical purpose, the utility model discloses a kind of air conditioner, including compressor, four-way reversing valve,
Refrigeration or heat the first main circulation loop that indoor heat converter, restricting element and outdoor heat converter are followed in series to form；
And the second auxiliary circulation loop is provided between the restricting element and four-way reversing valve；First main circulation loop, is also wrapped
Include and be connected to the 3rd magnetic valve and the 4th magnetic valve in the indoor heat converter refrigerant flow, first main circulation loop by
3rd magnetic valve and the 4th solenoid valve control break-make；The second auxiliary circulation loop, including first be sequentially connected in series
Magnetic valve and heater, the input of first magnetic valve are accessed in the refrigerant flow after being throttled through restricting element, described
In the refrigerant flow of the output end access indoor heat converter outflow of heater；The second auxiliary circulation loop is by described first
Solenoid valve control break-make.
The refrigerant flow of the utility model air conditioner has two refrigerant circulation circuits, including the first main circulation loop is realized
Freeze or refrigerant flow when the refrigerant flow heated and the second auxiliary circulation loop realize defrosting, when detection of air-conditioning to heating capacity
When decline needs defrosting, controller controls first magnetic valve to open, and controls the 3rd magnetic valve and the 4th electricity
Magnet valve is closed, and now, refrigerant shortens refrigerant without indoor heat exchanger, refrigerant directly through the described second auxiliary circulation loop
Circulation loop, quickly defrosting is realized, further, avoiding the refrigerant for flowing through the described second auxiliary circulation loop too low, described second
Heater is additionally added in auxiliary circulation loop, makes the refrigerant temperature for flowing through the described second auxiliary circulation loop will not be too low, so as to enter
One step improves defrosting efficiency.
Further, the described second auxiliary circulation loop also include the second magnetic valve, the input of second magnetic valve with
It is described in the output end of heater, the refrigerant flow path of the output end access indoor heat converter outflow of second magnetic valve
Second auxiliary circulation loop is by first magnetic valve and the second solenoid valve control break-make.
Further, in addition to for controlling first main circulation loop and the control of the described second auxiliary circulation loop switching
Device processed, the controller and first magnetic valve, second magnetic valve, the 3rd magnetic valve and the 4th magnetic valve
Electrical connection.
Further, the heater is electric auxiliary thermal, and the electric auxiliary thermal includes electrical heating wire or PCT electricity
Auxiliary thermal and refrigerant pipe, electrical heating wire or the auxiliary thermal of PCT electricity are close to refrigerant pipe surface.
Further, the controller is electrically connected with heater.
Further, in addition to the auxiliary heat of indoor electric, the auxiliary heat of the indoor electric is electrical heating wire or the auxiliary thermal of PCT electricity.
Further, the controller is connected with the auxiliary thermoelectricity of indoor electric.
Further, first magnetic valve, the 3rd magnetic valve and the 4th magnetic valve are magnetic valve or electric expansion valve.
Further, second magnetic valve is magnetic valve or electric expansion valve.
The beneficial effects of the utility model are：The utility model is by increasing by the second auxiliary circulation loop, when detection of air-conditioning is arrived
When the leaving air temp of air outlet is low, start defrosting mode, refrigerant completes circulation in the second auxiliary circulation loop and heated, and refrigerant is not required to
To pass through indoor heat exchanger, so as to realize defrost rapidly and efficiently.The heater can also aid in heating in low-temperature heating,
So as to add the suction temperature and back pressure of compressor, and then make delivery temperature and the pressure at expulsion rise of compressor, rise
The effect quickly heated to quick heating refrigerant, indoor heat exchanger.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the utility model air-conditioning system refrigerant circulation flow circuit diagram.
Fig. 2 is the refrigerant circulation flow circuit diagram of another embodiment of the utility model air-conditioning system.
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 1 | Compressor | 2 | Four-way reversing valve |
| 3 | Outdoor heat converter | 4 | Restricting element |
| 5 | First magnetic valve | 6 | 3rd magnetic valve |
| 7 | Indoor heat converter | 8 | 4th magnetic valve |
| 9 | Second magnetic valve | 10 | Heater |
Embodiment
It should be appreciated that specific embodiment described herein is not used to limit this only to explain the utility model
Utility model.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of the utility model protection.
It is to be appreciated that institute is directional in the utility model embodiment indicates (such as up, down, left, right, before and after ...)
Relative position relation, motion conditions for being only used for explaining under a certain particular pose (as shown in drawings) between each part etc., such as
When really the particular pose changes, then directionality indicates also correspondingly therewith to change.
In addition, the description for being related to " first ", " second " etc. in the utility model is only used for describing purpose, without being understood that
To indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme
It will be understood that the combination of this technical scheme is not present when appearance is conflicting or can not realize, also not in the utility model requirement
Protection domain within.
As illustrated in fig. 1 and 2, a kind of air conditioner, including compressor 1, four-way reversing valve 2, indoor heat converter 7, throttling member
Refrigeration or heat the first main circulation loop that part 4 and outdoor heat converter 3 are followed in series to form；With in the restricting element 4
The second auxiliary circulation loop is provided between four-way reversing valve 2；Wherein, the height of the first interface of four-way reversing valve 2 and compressor 1
Pressure gas port is communicated, and second interface is communicated with outdoor heat converter 3, and the 3rd interface is communicated with indoor heat converter 7, the 4th interface
Communicated with the low pressure air suction mouthful of compressor 1.When cooling, refrigerant is the high-pressure exhaust outflow from compressor 1, by outdoor heat
Exchanger 3, restricting element 4 and outdoor heat converter 3, the low pressure air suction mouthful of refrigerant return to compressor 1 form the refrigerant of refrigeration
Stream；When heating, refrigerant is the high-pressure exhaust outflow from compressor 1, by outdoor heat converter 3, restricting element 4 and room
Outer heat-exchanger 3, the low pressure air suction mouthful of refrigerant return to compressor 1 forms the refrigerant flow heated.
First main circulation loop, in addition to it is connected to the 3rd magnetic valve 6 in the refrigerant flow of indoor heat converter 7
With the 4th magnetic valve 8, first main circulation loop controls break-make by the 3rd magnetic valve 6 and the 4th magnetic valve 8；When
During refrigeration, the 3rd magnetic valve 6 and the 4th magnetic valve 8 are opened entirely, and it is cold that the first main circulation loop formation is freezed
Matchmaker's stream, when needing defrost in heating operations, the 3rd magnetic valve 6 and the contract fully of the 4th magnetic valve 8, refrigerant flow through
The second auxiliary circulation loop.
The second auxiliary circulation loop, including the first magnetic valve 5 and heater 10 being sequentially connected in series, first electromagnetism
In refrigerant flow of the input access of valve 5 after the throttling of restricting element 4, the output end access Indoor Thermal of the heater 10
In the refrigerant flow that exchanger 7 flows out；The second auxiliary circulation loop controls break-make by first magnetic valve 5；When cooling,
3rd magnetic valve 6 and the 4th magnetic valve 8 are opened entirely, and the control of the first magnetic valve 5 is closed, first major cycle
Loop forms the refrigerant flow of refrigeration；When needing defrost in heating operations, the 3rd magnetic valve 6 and the 4th magnetic valve
8 complete closures, the control of the first magnetic valve 5 is opened, and refrigerant flows through the described second auxiliary circulation loop, and the heater 10 is
Refrigerant is heated, it is to avoid refrigerant temperature is too low, meanwhile, it is indoor heating that indoor set, which starts the auxiliary heat of electricity,.
The utility model air-conditioning system has two refrigerant circulation circuits, including the first main circulation loop realize refrigeration or
Refrigerant flow when the auxiliary circulation loop of refrigerant flow and second heated realizes defrosting, needs when detection of air-conditioning to heating capacity declines
During defrosting, controller controls first magnetic valve 5 to open, and controls the 3rd magnetic valve 6 and the 4th magnetic valve 8 to close
Close, now, refrigerant shortens the circulation of refrigerant without indoor heat exchanger, refrigerant directly through the described second auxiliary circulation loop
Loop, realizes quickly defrosting, further, avoiding the refrigerant for flowing through the described second auxiliary circulation loop too low, in the described second auxiliary circulation
Heater 10 is additionally added in loop, makes the refrigerant temperature for flowing through the described second auxiliary circulation loop will not be too low, so that further
Improve defrosting efficiency.
Specifically, the described second auxiliary circulation loop also include the second magnetic valve 9, the input of second magnetic valve 9 with
In the output end of heater 10, the refrigerant flow path of the output end access outflow of indoor heat converter 7 of second magnetic valve 9,
The second auxiliary circulation loop controls break-make by first magnetic valve 5 and second magnetic valve 9.Described second auxiliary is recycled back to
Road increases the stability that second magnetic valve 9 improves refrigerant circulation circuit, when cooling, the 3rd magnetic valve 6 and described
4th magnetic valve 8 is opened entirely, and first magnetic valve 5 and second magnetic valve 9 control are closed, first main circulation loop
Form the refrigerant flow of refrigeration；When needing defrost in heating operations, the 3rd magnetic valve 6 and the 4th magnetic valve 8 are complete
Closure, first magnetic valve 5 and second magnetic valve 9 control are opened, and refrigerant flows through the described second auxiliary circulation loop, and institute
State heater 10 to heat for refrigerant, it is to avoid refrigerant temperature is too low, meanwhile, indoor set starts the auxiliary hot (not shown) of indoor electric
For indoor heating.
Specifically, in addition to for controlling first main circulation loop and the control of the described second auxiliary circulation loop switching
Device, the controller and first magnetic valve 5, second magnetic valve 9, the 3rd magnetic valve 6 and the 4th electromagnetism
Valve 8 is electrically connected.Controller controls first magnetic valve 5, second magnetic valve 9, the 3rd magnetic valve 6 and the described 4th
The break-make of magnetic valve 8, and coordinate in refrigeration or heating or heating operations and need defrost, for controlling refrigerant to flow to the
One main circulation loop or the second auxiliary circulation loop.
Specifically, the heater 10 is electric auxiliary thermal, and the electric auxiliary thermal includes electrical heating wire or PCT electricity
Auxiliary thermal and refrigerant pipe, electrical heating wire or the auxiliary thermal of PCT electricity are close to refrigerant pipe surface.Second is flowed in refrigerant auxiliary to follow
During loop back path, in order to avoid refrigerant temperature is too low, heater 10 is the refrigerant heating flowed through, and the efficiency that can improve defrost is carried
Height, the refrigerant after heating improves 5% to 10%.
Specifically, the controller is electrically connected with heater 10, and controller control heater 10 starts or closed,
And defrost is needed in cooperation heating operations, for controlling heater 10 to add to the refrigerant for flowing through the described second auxiliary circulation loop
Heat.
Specifically, in addition to the auxiliary hot (not shown) of indoor electric, the auxiliary heat of the indoor electric is electrical heating wire or PCT electricity
Auxiliary thermal, when needing defrost in heating operations, the 3rd magnetic valve 6 and the complete closure of the 4th magnetic valve 8, described
One magnetic valve 5 and second magnetic valve 9 control are opened, and refrigerant flows through the described second auxiliary circulation loop, and the heater
10 be that refrigerant is heated, it is to avoid refrigerant temperature is too low, meanwhile, it is indoor confession that indoor set, which starts the auxiliary hot (not shown) of indoor electric,
Heat.
Specifically, the controller is connected with the auxiliary thermoelectricity of indoor electric, the controller control auxiliary thermal starting of indoor electric or closing,
And defrost is needed in cooperation heating operations, it is indoor heating for controlling the auxiliary heat of indoor electric, improves the comfortableness of user.
Specifically, first magnetic valve, the 3rd magnetic valve and the 4th magnetic valve are magnetic valve or electric expansion valve.Electricity
Magnet valve only has the function of opening or close, and electric expansion valve can adjust aperture size, the electronics of the present embodiment when opening
The aperture that expansion valve is opened is maximum.
Specifically, second magnetic valve is magnetic valve or electric expansion valve.Magnetic valve only has what is opened or close
Function, electric expansion valve can adjust aperture size when opening, and the aperture that the electric expansion valve of the present embodiment is opened is maximum.
The step of a kind of control method of air conditioner of the utility model embodiment, including air conditioner, control method, is as follows：
Step S1:During the air conditioner operation heating mode, detect whether the air conditioner needs Defrost operation.Detection institute
State whether air conditioner needs the method for Defrost operation to have a variety of, it is impossible to lift to the greatest extent, wherein one implementation is only lifted here when for example heating, inspection
Air port is measured less than design temperature, and maintains the regular hour, illustrates that outdoor unit exchange capability of heat declines, in fact it could happen that the feelings of frosting
Condition is, it is necessary to defrost.
Step S2:When detecting the air conditioner and needing Defrost operation, the controller controls the second auxiliary circulation
Loop is turned on, to control the air conditioner to open defrosting mode.When needing defrost in heating operations, the 3rd magnetic valve 6
With the complete closure of the 4th magnetic valve 8, first magnetic valve 5 and second magnetic valve 9 control are opened, and refrigerant flows through described
Second auxiliary circulation loop.
Control method of the present utility model is when heating, when detection of air-conditioning to heating capacity, which declines, needs defrosting, control
Device controls first magnetic valve 5 to open, and controls the 3rd magnetic valve 6 and the 4th magnetic valve 8 to close, now, cold
Matchmaker is without indoor heat exchanger, and refrigerant shortens the circulation loop of refrigerant directly through the described second auxiliary circulation loop, realizes fast
Speed defrosting, further, avoiding the refrigerant for flowing through the described second auxiliary circulation loop too low, is additionally added in the described second auxiliary circulation loop
Heater 10, makes the refrigerant temperature for flowing through the described second auxiliary circulation loop will not be too low, so as to further improve defrosting efficiency.
Specifically, the described second auxiliary circulation loop conducting, controls first magnetic valve 5 to open by controller, and control
3rd magnetic valve 6 and the 4th magnetic valve 8 are closed.Implement for example when needing defrost in heating operations, the described 3rd
Magnetic valve 6 and the complete closure of the 4th magnetic valve 8, the control of the first magnetic valve 5 are opened, and refrigerant flows through the described second auxiliary circulation
Loop, and the heater 10 is refrigerant heating, it is to avoid refrigerant temperature is too low, meanwhile, it is indoor that indoor set, which starts the auxiliary heat of electricity,
Heat supply.
Specifically, the described second auxiliary circulation loop conducting, the magnetic valve of the first magnetic valve 5 and second is controlled by controller
9 open, and control the 3rd magnetic valve 6 and the 4th magnetic valve 8 to close.Implement for example when needing defrost in heating operations
When, the 3rd magnetic valve 6 and the complete closure of the 4th magnetic valve 8, first magnetic valve 5 and second magnetic valve 9 are controlled
System is opened, and refrigerant flows through the described second auxiliary circulation loop, and the heater 10 heats for refrigerant, it is to avoid refrigerant temperature mistake
It is low, meanwhile, it is indoor heating that indoor set, which starts the auxiliary heat of electricity,.
Specifically, the described second auxiliary circulation loop conducting, is heated by controller control heater 10.Is flowed in refrigerant
During two auxiliary circulation loops, in order to avoid refrigerant temperature is too low, heater 10 is the refrigerant heating flowed through, and can improve defrost
Efficiency is improved, and the refrigerant after heating improves 5% to 10%.
Specifically, when detecting the air conditioner and not needing Defrost operation, controller control first master follows
Loop back path is turned on, to control the air conditioner operation heating mode.Implement for example when not needing defrost in heating operations, it is described
3rd magnetic valve 6 and the full opening of the 4th magnetic valve 8, first magnetic valve 5 and second magnetic valve 9 control fully closed
Close, refrigerant flows through the described first auxiliary circulation loop, air-conditioning recovers normally to heat control.
Specifically, in addition to step S3:The first main circulation loop conducting, the 3rd magnetic valve is controlled by controller
6 and the 4th magnetic valve 8 open, and control the magnetic valve 9 of the first magnetic valve 5 and second to close.Implement for example when heating
During when needing defrost, the 3rd magnetic valve 6 and the complete closure of the 4th magnetic valve 8, first magnetic valve 5 and described
The control of second magnetic valve 9 is opened, and refrigerant flows through the described second auxiliary circulation loop, and the heater 10 heats for refrigerant, keeps away
Exempt from refrigerant temperature too low, meanwhile, it is indoor heating that indoor set, which starts the auxiliary heat of electricity,.
Claims (9)
1. a kind of air conditioner, it is characterised in that：Including compressor, four-way reversing valve, indoor heat converter, restricting element and outdoor
Refrigeration or heat the first main circulation loop that heat exchanger is followed in series to form；With in the restricting element and four-way reversing valve
Between be provided with the second auxiliary circulation loop；
First main circulation loop, in addition to it is connected to the 3rd magnetic valve and the 4th in the indoor heat converter refrigerant flow
Magnetic valve, first main circulation loop is by the 3rd magnetic valve and the 4th solenoid valve control break-make；
The second auxiliary circulation loop, including the first magnetic valve and heater being sequentially connected in series, first magnetic valve it is defeated
Enter and terminate in the refrigerant flow after being throttled through restricting element, the output end access indoor heat converter outflow of the heater
Refrigerant flow in；The second auxiliary circulation loop is by the first solenoid valve control break-make.
2. air conditioner according to claim 1, it is characterised in that the second auxiliary circulation loop also includes the second electromagnetism
Valve, the input of second magnetic valve and the output end of heater, the output end access Indoor Thermal of second magnetic valve
In the refrigerant flow path of exchanger outflow, the second auxiliary circulation loop is by first magnetic valve and second solenoid valve control
Break-make.
3. air conditioner according to claim 2, it is characterised in that also including for control first main circulation loop with
The controller of the second auxiliary circulation loop switching, it is the controller and first magnetic valve, second magnetic valve, described
3rd magnetic valve and the 4th magnetic valve electrical connection.
4. air conditioner according to claim 3, it is characterised in that the heater is electric auxiliary thermal, the electricity is auxiliary
Thermal includes electrical heating wire or the auxiliary thermal of PCT electricity and refrigerant pipe, and electrical heating wire or the auxiliary thermal of PCT electricity are close to cold
Matchmaker's pipe surface.
5. air conditioner according to claim 4, it is characterised in that the controller is electrically connected with heater.
6. air conditioner according to claim 3, it is characterised in that also including the auxiliary heat of indoor electric, the auxiliary heat of indoor electric is
Electrical heating wire or the auxiliary thermal of PCT electricity.
7. air conditioner according to claim 6, it is characterised in that the controller is connected with the auxiliary thermoelectricity of indoor electric.
8. air conditioner according to claim 1, it is characterised in that first magnetic valve, the 3rd magnetic valve and the 4th electricity
Magnet valve is magnetic valve or electric expansion valve.
9. air conditioner according to claim 2, it is characterised in that second magnetic valve is magnetic valve or electronic expansion
Valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720190528.9U CN206514567U (en) | 2017-02-28 | 2017-02-28 | A kind of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720190528.9U CN206514567U (en) | 2017-02-28 | 2017-02-28 | A kind of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206514567U true CN206514567U (en) | 2017-09-22 |
Family
ID=59868375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720190528.9U Active CN206514567U (en) | 2017-02-28 | 2017-02-28 | A kind of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206514567U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885391A (en) * | 2017-02-28 | 2017-06-23 | 广东美的制冷设备有限公司 | A kind of air-conditioner and its control method |
| CN114061031A (en) * | 2021-10-28 | 2022-02-18 | 青岛海尔空调器有限总公司 | Air conditioner defrosting control method and device and air conditioner |
-
2017
- 2017-02-28 CN CN201720190528.9U patent/CN206514567U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885391A (en) * | 2017-02-28 | 2017-06-23 | 广东美的制冷设备有限公司 | A kind of air-conditioner and its control method |
| CN114061031A (en) * | 2021-10-28 | 2022-02-18 | 青岛海尔空调器有限总公司 | Air conditioner defrosting control method and device and air conditioner |
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