CN104596000B - Air conditioner and control method of air conditioner - Google Patents
Air conditioner and control method of air conditioner Download PDFInfo
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- CN104596000B CN104596000B CN201410810639.6A CN201410810639A CN104596000B CN 104596000 B CN104596000 B CN 104596000B CN 201410810639 A CN201410810639 A CN 201410810639A CN 104596000 B CN104596000 B CN 104596000B
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- heat exchanger
- control valve
- air
- conditioner
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- 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
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Sustainable Development (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides an air conditioner. The air conditioner comprises an outdoor heat exchanger assembly and a temperature control device, wherein the outdoor heat exchanger assembly comprises a first heat exchanger, a second heat exchanger, a first heater and a second heater, the first heat exchanger and the first heater are connected in series to form a first branch, the second heat exchanger and the second heater are connected in series to form a second branch, and the first branch and the second branch are connected in parallel; the temperature control device is connected with the outdoor heat exchanger assembly and used for detecting the temperature of the first heat exchanger and the temperature of the second heat exchanger, controlling action of the first heater according to the temperature of the first heat exchanger and controlling action of the second heater according to the temperature of the second heat exchanger. Correspondingly, the invention further provides a control method of the air conditioner. According to the air conditioner and the control method of the air conditioner, the air conditioner can not only supply heat continuously but also defrost an outdoor unit in a heating mode.
Description
Technical field
The present invention relates to household appliance technical field, more specifically, it is related to a kind of air-conditioner and a kind of controlling party of air-conditioner
Method.
Background technology
When worst cold case is heated, the easy frosting of outdoor unit heat exchanger increases thermal resistance and windage to heat pump type air conditioner, heat exchange
Efficiency drastically declines and has a strong impact on heat transfer effect, in order to avoid heat transfer effect continuous decrease, it is necessary to carry out defrost to system.
Existing air-conditioned main defrost pattern is switching four-way valve, carries out kind of refrigeration cycle.Although such defrost pattern energy
It is enough that frost on outdoor heat exchanger is removed clean, but during defrost, it is out of service during indoor set, it is impossible to continuous to room
Heat supply, can reduce room temperature, influence the thermal comfort experience of user.
It is therefore proposed that a kind of just seem very necessary in defrost without suspending the control method of the air-conditioner of heat supply.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.
Therefore, it is an advantage of the invention to provide a kind of air-conditioner.
It is a further object of the invention to provide a kind of control method of air-conditioner.
To achieve the above object, embodiment provides a kind of air-conditioner, outdoor heat exchanger group according to a first aspect of the present invention
Part, the outdoor heat exchange device assembly includes First Heat Exchanger, the second heat exchanger, primary heater and secondary heater, described the
One heat exchanger is connected in series to form tie point, second heat exchanger and the secondary heater string with the primary heater
Connection connection forms the second branch road, wherein, the tie point is connected with second branch circuit parallel connection；Attemperating unit, is connected to institute
Outdoor heat exchange device assembly is stated, for detecting the temperature of the First Heat Exchanger and the temperature of second heat exchanger, and according to institute
Primary heater action described in the temperature control of First Heat Exchanger is stated, and according to the temperature control institute of second heat exchanger
State secondary heater action.
Air-conditioner according to an embodiment of the invention, outdoor heat exchange device assembly includes the tie point being connected in parallel and
Two branch roads, are provided with the heat exchanger and heater being connected in series on each branch road, heater is in parallel with heat exchanger, and pass through
Attemperating unit carries out thermometric to the heat exchanger in tie point and the second branch road, and dynamic according to the temperature control heater for measuring
Make, by the technical scheme, air-conditioning in a heating mode, persistently to indoor heating, can not exist while smooth defrost
The situation of defrost is carried out to outdoor heat exchanger from indoor environment heat absorption during traditional air-conditioning defrost, and will not also reduce room
Temperature, fluctuations in indoor temperature is small, it is to avoid damage of the compressor repeatedly starting and stopping to compressor, extends the use longevity of compressible machine
Life, so the whole machine for extending life-span, it is to avoid the abrasion that four-way valve commutates to four-way valve repeatedly, extend the use of four-way valve
In the life-span, improve the performance of air-conditioner.
In addition, the air-conditioner provided according to the above embodiment of the present invention also has following additional technical feature：
According to one embodiment of present invention, the outdoor heat exchange device assembly also includes the first control valve and the second control
Valve, the first control valve is located in the tie point, and the first control valve, the primary heater and described first are changed
Hot device is sequentially connected in series, and the second control valve is located on second branch road, the second control valve, described second
Heater and second heat exchanger are sequentially connected in series.
Air-conditioner according to an embodiment of the invention, be respectively arranged with tie point and the second branch road the first control valve and
Second control valve, the first control valve, primary heater, First Heat Exchanger are sequentially connected in series on the first leg, the second control
Valve, secondary heater, the second heat exchanger are sequentially connected on the second branch road, and tie point and the connection of the second branch circuit parallel connection,
By the technical scheme, two branch roads are designed, each branch road is provided with heater, heat exchanger and control valve, can carry out
When defrost is processed, it is ensured that a branch road carries out defrost, and another branch road proceeds to heat.
According to one embodiment of present invention, also include：Four-way valve, the four-way valve include first port, second port,
3rd port and the 4th port, compressor, the compressor include gas returning port and exhaust outlet, the gas returning port and the first end
Mouth connection, the exhaust outlet is connected with the second port；Indoor heat exchanger, one end of the indoor heat exchanger and the described 3rd
Port connects, and the other end of the indoor heat exchanger is connected with the first end of throttling arrangement；The throttling arrangement, the throttling dress
The second end put is connected with one end of the outdoor heat exchange device assembly, the other end and the four-way of the outdoor heat exchange device assembly
The 4th port connection of valve.
Air-conditioner, compressor, four-way valve, indoor heat exchanger, throttling are connected by pipeline according to an embodiment of the invention
The refrigerant circulation circuit that device, outdoor heat exchange device assembly are formed, allows air-conditioner to be heated, freezed or other operations.
According to one embodiment of present invention, described first the institute of valve and the second control valve and the four-way valve is controlled
The connection of the 4th port is stated, the First Heat Exchanger and second heat exchanger are connected with second end of the throttling arrangement.
Air-conditioner according to an embodiment of the invention, the first control valve and the second control valve connect with the 4th port of four-way valve
Connect, First Heat Exchanger and the second heat exchanger are connected with the second end of throttling arrangement, in cooling mode, refrigerant stream in systems
To：Exhaust outlet of compressor → four-way valve → the first control valve and the second control valve → primary heater and secondary heater → the first
Heat exchanger and the second heat exchanger → throttling arrangement → indoor heat exchanger → compressor return air mouthful, in a heating mode, refrigerant is being
Flow direction in system：Exhaust outlet of compressor → four-way valve → indoor heat exchanger → throttling arrangement → First Heat Exchanger and the second heat exchanger
→ primary heater and secondary heater → the first control valve and the second control valve → compressor return air mouthful.
According to one embodiment of present invention, the first control valve and the second control valve and the throttling arrangement
The second end connection, the First Heat Exchanger and second heat exchanger are connected with the 4th port of the four-way valve.
The second port of air-conditioner according to an embodiment of the invention, the first control valve and the second control valve and throttling arrangement
Connection, First Heat Exchanger and the second heat exchanger be connected with the 4th port of four-way valve, and in cooling mode, refrigerant is in systems
Flow direction：Exhaust outlet of compressor → four-way valve → First Heat Exchanger and the second heat exchanger → primary heater and secondary heater → the
One control valve and second control valve → throttling arrangement → indoor heat exchanger → compressor return air mouthful, in a heating mode, refrigerant exists
Flow direction in system：Exhaust outlet of compressor → four-way valve → indoor heat exchanger → throttling arrangement → the first control valve and the second control
Valve → primary heater and secondary heater → First Heat Exchanger and the second heat exchanger → compressor return air mouthful.
According to one embodiment of present invention, the attemperating unit includes：First temperature measuring equipment and the second temperature measuring equipment, institute
State the first temperature measuring equipment to be arranged on the coil pipe of the First Heat Exchanger, the temperature for detecting the First Heat Exchanger, and institute
State the second temperature measuring equipment to be arranged on the coil pipe of second heat exchanger, the temperature for detecting the First Heat Exchanger.
According to the air-conditioner that the present invention is provided, the first temperature measuring equipment and the second temperature measuring equipment can in time monitor the first heat exchange
The temperature of the temperature of device and the second heat exchanger, detects whether the temperature on First Heat Exchanger and the second heat exchanger reaches and wants exactly
Whether the temperature of frosting, carried out with the defrost action that this determines air-conditioner, improves the sensitivity of air-conditioner, and the moment ensures empty
Device is adjusted to be in heat exchange efficiency higher.
According to one embodiment of present invention, the attemperating unit also includes：Controller, the controller is connected to described
First temperature measuring equipment and second temperature measuring equipment, for receiving the temperature of first temperature measuring equipment detection and receiving described the
The temperature of two temperature measuring equipments detection, and detected according to the temperature and second temperature measuring equipment of first temperature measuring equipment detection
Primary heater, the first control valve events, the secondary heater and the second control valve events described in temperature control.
According to one embodiment of present invention, the controller is in except other moulds of heating mode in the air-conditioner
During formula, for controlling the primary heater and the secondary heater to close, and the first control valve and second control
Valve processed is opened completely.
Air-conditioner according to an embodiment of the invention, when air-conditioner is in refrigeration mode, the first control valve and the second control
Valve processed is opened completely, and primary heater and secondary heater are closed, refrigerant flow direction in systems：Exhaust outlet of compressor → four-way
Valve → the first control valve and second control valve → primary heater and secondary heater → First Heat Exchanger and the second heat exchanger →
Throttling arrangement → indoor heat exchanger → compressor return air mouthful.Controller selects sex work according to air-conditioner working condition, saves
The power consumption of air-conditioner, also effectively reduces the fault rate of controller, and then improves the reliability and sexual valence of air-conditioner
Than.
According to one embodiment of present invention, the controller is when the air-conditioner is in heating mode, and in institute
The temperature that detect with second temperature measuring equipment of temperature for stating the detection of the first temperature measuring equipment is all higher than during equal to the preset temperature,
For controlling the primary heater and the secondary heater to close, and the first control valve is complete with the described second control valve
It is complete to open.
Air-conditioner according to an embodiment of the invention, when air-conditioner is heated, and in first temperature measuring equipment
The temperature that the temperature of detection is detected with second temperature measuring equipment is all higher than being equal to the preset temperature, that is to say, that in air-conditioning
The First Heat Exchanger and the second heat exchanger of the outdoor heat exchange device assembly of device in the absence of in the case of frosting, the first control valve and the
Two control valves are opened completely, and primary heater and secondary heater are closed, refrigerant flow direction in systems：Exhaust outlet of compressor →
Four-way valve → indoor heat exchanger → throttling arrangement → First Heat Exchanger and the second heat exchanger → primary heater and secondary heater
→ the first control valve and the second control valve → compressor return air mouthful.
According to one embodiment of present invention, the controller is when the air-conditioner is in heating mode, and in institute
When the temperature for stating the detection of the first temperature measuring equipment is less than the preset temperature, for controlling the primary heater to open, described the
One control valve is not exclusively opened, the secondary heater is closed and the second control valve is opened completely.
Air-conditioner according to an embodiment of the invention, when air-conditioner is heated, and in first temperature measuring equipment
When the temperature of detection is less than the preset temperature, that is to say, that when the temperature on the First Heat Exchanger of tie point is less than air-conditioning
During the preset temperature of device, tie point frosting, by controlling, primary heater opening is heated to refrigerant, first controls
Valve not exclusively opens control cold medium flux, carries out defrost treatment, and the secondary heater on the second branch road is closed and the second control
Valve is opened completely, proceeds to heat, and can so reduce the fluctuation of indoor temperature, under conditions of heating operation is not influenceed again
Defrost treatment can be carried out, it is ensured that the thermal comfort experience of user, and refrigerant flow direction in systems：Exhaust outlet of compressor →
Four-way valve → indoor heat exchanger → throttling arrangement → First Heat Exchanger and the second heat exchanger → primary heater and secondary heater
→ the first control valve and the second control valve → compressor return air mouthful.
According to one embodiment of present invention, the controller is when the air-conditioner is in heating mode, and in institute
When the temperature for stating the detection of the second temperature measuring equipment is less than the preset temperature, for controlling the secondary heater to open, described the
Two control valves are not exclusively opened, the primary heater is closed and the first control valve is opened completely.
Air-conditioner according to an embodiment of the invention, when air-conditioner is heated, and in second temperature measuring equipment
When the temperature of detection is less than the preset temperature, that is to say, that when the temperature on the second heat exchanger of the second branch road is less than air-conditioning
During the preset temperature of device, the second branch road frosting, by controlling, secondary heater opening is heated to refrigerant, second controls
Valve not exclusively opens control cold medium flux, carries out defrost treatment, and the primary heater in tie point is closed and the first control
Valve is opened completely, proceeds to heat, and can so reduce the fluctuation of indoor temperature, under conditions of heating operation is not influenceed again
Defrost treatment can be carried out, it is ensured that the experience of the thermal comfort of user, and refrigerant flows to refrigerant flow direction in systems：Compression
Machine exhaust outlet → four-way valve → indoor heat exchanger → throttling arrangement → First Heat Exchanger and the second heat exchanger → primary heater and
Secondary heater → the first controls valve and the second control valve → compressor return air mouthful.
According to one embodiment of present invention, the controller is when the air-conditioner is in heating mode, and in institute
When the temperature for stating the detection of the first temperature measuring equipment is respectively less than the preset temperature with the temperature of second temperature measuring equipment, for controlling
The primary heater is opened, the first control valve is not exclusively opened, the secondary heater is closed and second control
Valve is opened completely, or the control secondary heater is opened, the second control valve is not exclusively opened, the primary heater is closed
Close and the first control valve is opened completely.
Air-conditioner according to an embodiment of the invention, when air-conditioner is heated, the temperature of the first temperature measuring equipment detection
When temperature with the second temperature measuring equipment is respectively less than preset temperature, that is to say, that as the First Heat Exchanger of tie point and second
When temperature on second heat exchanger on road is respectively less than the preset temperature of air-conditioner, tie point and the second branch road carry out frosting, first
First, first judgement is that the heat exchanger on which branch road first reaches frosting condition, when the First Heat Exchanger in tie point first reaches knot
Ice-lolly part, by controlling primary heater opening to heat refrigerant, first controls valve not exclusively to open control refrigerant
Flow, carries out defrost treatment, and the secondary heater on the second branch road is closed and the second control valve is opened completely, proceeds system
Heat, when the temperature of First Heat Exchanger is more than preset temperature, tie point stopping defrost being heated closes primary heater
And first control valve open completely, and the second branch road starts defrost, secondary heater is opened refrigerant is heated, the
Two control valves not exclusively open control cold medium flux, and two branch roads replace heater, refrigerant is heated, and reach a branch road
Heated, a branch road carries out defrost, the fluctuation of indoor temperature can be so reduced, under conditions of heating operation is not influenceed
Defrost treatment can be carried out again, it is ensured that the thermal comfort experience of user, and improve the service life of air-conditioner, and refrigerant
Flow direction in systems：Exhaust outlet of compressor → four-way valve → indoor heat exchanger → throttling arrangement → First Heat Exchanger and second is changed
Hot device → primary heater and secondary heater → the first control valve and the second control valve → compressor return air mouthful.
A kind of control method of the air-conditioner of embodiment according to the second aspect of the invention, start the air-conditioner it
Afterwards, judge whether in heating mode；When the judged result is no, make the primary heater and the secondary heater
Close, and the first control valve is opened completely with the described second control valve；When judged result is to be, the outdoor is judged
Whether the temperature of the second heat exchanger of the temperature of the First Heat Exchanger of heat exchanger assembly and the outdoor heat exchange device assembly is all higher than
Or equal to preset temperature；When the temperature of the First Heat Exchanger and the temperature of second heat exchanger are all higher than or pre- equal to described
If during temperature, closing the secondary heater of the primary heater of the outdoor heat exchange device assembly and the outdoor heat exchange device assembly
Close, and make the first of the outdoor heat exchange device assembly to control valve to be beaten completely with the second control valve of the outdoor heat exchange device assembly
Open, otherwise, open the primary heater, the first control valve is not exclusively opened, the secondary heater is closed and institute
The second control valve is stated to open completely, or open the secondary heater, the second control valve is not exclusively opened, described first
Heater is closed and the first control valve is opened completely, until the temperature of the First Heat Exchanger and second heat exchanger
Temperature is all higher than or equal to the preset temperature.
The control method of air-conditioner according to an embodiment of the invention, after the controller for starting air-conditioning, controller is first
Judge air-conditioning whether in heating mode；If air-conditioner is in heating mode, controller starts detection First Heat Exchanger and the
The temperature of two heat exchangers, then contrasts detection temperature and predetermined temperature, according to the contrast of detection temperature and preset temperature, really
Fixed first control valve, the second control valve, primary heater, the working condition of secondary heater.If air-conditioner is not at heating
Pattern, controller closes primary heater and secondary heater, and the first control valve is opened completely with the second control valve, this
When air-conditioning two normal heating operations of branch road.Wherein, when air-conditioner is in heating mode, when controller detection first changes
When the temperature of hot device and the second heat exchanger is all higher than preset temperature, controller closes primary heater and secondary heater, and
The first control valve is set to be opened completely with the second control valve, now the normal heating operation of the two of air-conditioning branch road.When tie point
When temperature on First Heat Exchanger is less than the preset temperature of air-conditioner, tie point frosting is opened by controlling primary heater
Refrigerant is heated, the first control valve not exclusively opens control cold medium flux, carries out defrost treatment, and on the second branch road
Secondary heater close and second control valve open completely, proceed to heat.When the temperature of the second temperature measuring equipment detection is small
When preset temperature, that is to say, that when preset temperature of the temperature on the second heat exchanger of the second branch road less than air-conditioner, the
Two branch road frostings, by controlling secondary heater opening to heat refrigerant, second controls valve not exclusively to open control
Cold medium flux, carries out defrost treatment, and the primary heater in tie point is closed and the first control valve is opened completely, continue into
Row is heated.When controller starts to detect the temperature, both less than preset temperature of First Heat Exchanger and the second heat exchanger, tie point
And have a normal work in the second branch road, another carries out heating defrost, and after a branch road defrost is finished, detection temperature is big
When preset temperature, this branch road normal work is carried out heating defrost by controller to another branch road, until two branch roads
Detection temperature is both greater than equal to preset temperature.Now at least one branch road normally runs air-conditioning all the time, does not influence air-conditioner
Normally heat, enter the comfort level without influence user and the application to air-conditioner is experienced.
Additional aspect of the invention and advantage will be given in following description section, partly by from following description
In become obvious, or by it is of the invention practice recognize.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is connection diagram of the air-conditioner described according to one embodiment of present invention in refrigeration；
Fig. 2 is the First Heat Exchanger and the second heat exchanger of air-conditioner described according to one embodiment of present invention in system
Connection diagram when hot；
Fig. 3 is the defrost route schematic diagram of the First Heat Exchanger of air-conditioner described according to one embodiment of present invention；
Fig. 4 is the defrost route schematic diagram of the second heat exchanger of air-conditioner described according to one embodiment of present invention；
Fig. 5 is the schematic diagram of the connected mode of air-conditioner described according to another embodiment of the invention；
Fig. 6 is the schematic flow sheet of the control method of air-conditioner described according to one embodiment of present invention；
Fig. 7 is the schematic flow sheet of the control method of air-conditioner described according to another embodiment of the invention.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied to be further described in detail the present invention.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also
Implemented with being different from mode described here using other, therefore, protection scope of the present invention does not receive following public tool
The limitation of body embodiment.
As shown in Figures 1 to 5, embodiment provides a kind of air-conditioner, outdoor heat exchanger group according to a first aspect of the present invention
Part, the outdoor heat exchange device assembly includes that First Heat Exchanger 401, the second heat exchanger 402, primary heater 501 and second are heated
Device 502, the First Heat Exchanger 401 is connected in series to form tie point, second heat exchanger with the primary heater 501
402 and the secondary heater 502 be connected in series to form the second branch road, wherein, the tie point is with second branch road simultaneously
Connection connection；Attemperating unit, is connected to the outdoor heat exchange device assembly, temperature and institute for detecting the First Heat Exchanger 401
The temperature of the second heat exchanger 402 is stated, and primary heater 501 is acted according to the temperature control of the First Heat Exchanger 401,
And the secondary heater 502 according to the temperature control of second heat exchanger 402 is acted.
Air-conditioner according to an embodiment of the invention, outdoor heat exchange device assembly includes the tie point being connected in parallel and
Two branch roads, are provided with the heat exchanger and heater being connected in series on each branch road, heater is in parallel with heat exchanger, and pass through
Attemperating unit carries out thermometric to the heat exchanger in tie point and the second branch road, and dynamic according to the temperature control heater for measuring
Make, by the technical scheme, air-conditioning in a heating mode, persistently to indoor heating, can not exist while smooth defrost
The situation of defrost is carried out to outdoor heat exchanger from indoor environment heat absorption during traditional air-conditioning defrost, and will not also reduce room
Temperature, fluctuations in indoor temperature is small, it is to avoid damage of the compressor repeatedly starting and stopping to compressor, extends the use longevity of compressible machine
Life, so the whole machine for extending life-span, it is to avoid the abrasion that four-way valve commutates to four-way valve repeatedly, extend the use of four-way valve
In the life-span, improve the performance of air-conditioner.
In addition, the air-conditioner provided according to the above embodiment of the present invention also has following additional technical feature：
As shown in Figures 1 to 5, according to one embodiment of present invention, the outdoor heat exchange device assembly also includes the first control
Valve processed 601 and second controls valve 602, the first control valve 601 to be located in the tie point, the first control valve 601,
The primary heater 501 and the First Heat Exchanger 401 are sequentially connected in series, and the second control valve 602 is located at institute
State on the second branch road, the second control valve 602, the secondary heater 502 and the company of being sequentially connected in series of the second heat exchanger 402
Connect.
Air-conditioner, is respectively arranged with the first control valve according to an embodiment of the invention in tie point and the second branch road
601 and the second control valve 602, the first control valve 601, primary heater 501, First Heat Exchanger 401 are on the first leg successively
It is connected in series, the second control valve 602, secondary heater 502, the second heat exchanger 402 are sequentially connected on the second branch road, and the
One branch road and the second branch circuit parallel connection are connected, and by the technical scheme, design two branch roads, and each branch road is provided with heater,
Heat exchanger and control valve, can be when defrost treatment be carried out, it is ensured that a branch road carries out defrost, and another branch road proceeds system
Heat.
According to one embodiment of present invention, as shown in Figures 1 to 5, also include：Four-way valve 1, the four-way valve 1 includes
First port, second port, the 3rd port and the 4th port, compressor 7, the compressor 7 include gas returning port and exhaust outlet, institute
State gas returning port to be connected with the first port, the exhaust outlet is connected with the second port；Indoor heat exchanger 2, the interior
One end of heat exchanger 2 is connected with the 3rd port, and the other end of the indoor heat exchanger 2 connects with the first end of throttling arrangement 3
Connect；The throttling arrangement 3, the second end of the throttling arrangement 3 is connected with one end of the outdoor heat exchange device assembly, the outdoor
The other end of heat exchanger assembly is connected with the 4th port of the four-way valve 1.
Air-conditioner, compressor 7, four-way valve 1, indoor heat exchanger 2, section are connected by pipeline according to an embodiment of the invention
The refrigerant circulation circuit that stream device 3, outdoor heat exchange device assembly are formed, allows air-conditioner to be heated, freezed or other operations.
According to one embodiment of present invention, as shown in Figures 1 to 5, the first control valve 601 and second control
Valve 602 is connected with the 4th port of the four-way valve 1, the First Heat Exchanger 401 and second heat exchanger 402 and institute
State second end connection of throttling arrangement 3.
Air-conditioner according to an embodiment of the invention, as shown in Figures 1 to 5, thick-line arrow is represented and heated, thin-line arrow
Represent defrost.First control valve 601 and second control valve 602 be connected with the 4th port of four-way valve 1, First Heat Exchanger 401 and
Second heat exchanger 402 is connected with the second end of throttling arrangement 3, in cooling mode, refrigerant flow direction in systems：Compressor 7
The control control of valve 601 and second of exhaust outlet → four-way valve 1 → the first valve 602 → primary heater 501 and secondary heater 502 →
The gas returning port of 401 and second 2 → compressor of heat exchanger 402 → throttling arrangement, 3 → indoor heat exchanger of First Heat Exchanger 7, is heating mould
Under formula, refrigerant flow direction in systems：7 exhaust outlets of compressor → 1 → indoor heat exchanger of four-way valve, 2 → throttling arrangement 3 → the first
402 → the primary heater of heat exchanger 501 of heat exchanger 401 and second and the control valve 601 and second of secondary heater 502 → the first are controlled
The gas returning port of 602 → compressor of valve 7 processed.
According to one embodiment of present invention, as shown in figure 5, the first control valve 601 and the second control valve 602
It is connected with second end of the throttling arrangement 3, the First Heat Exchanger 401 and second heat exchanger 402 and described four
4th port connection of port valve 1.
Air-conditioner according to an embodiment of the invention, the first control valve 601 and second control valve 602 and throttling arrangement 3
Second port is connected, and the heat exchanger 402 of First Heat Exchanger 401 and second is connected with the 4th port of four-way valve 1, in refrigeration mode
Under, refrigerant flow direction in systems：The heat exchanger 402 of 7 exhaust outlets of compressor → 1 → First Heat Exchanger of four-way valve 401 and second →
Primary heater 501 and 3 → interior of the control control 602 → throttling arrangement of valve of valve 601 and second of secondary heater 502 → the first are changed
The hot gas returning port of 2 → compressor of device 7, in a heating mode, refrigerant flow direction in systems：7 exhaust outlets of compressor → four-way valve 1 →
The control control valve of the valve 601 and second 602 → primary heater 501 of 2 → throttling arrangement of indoor heat exchanger 3 → the first and the second heating
The gas returning port of 502 → First Heat Exchanger of device, 401 and second 402 → compressor of heat exchanger 7.
According to one embodiment of present invention, the attemperating unit includes：First temperature measuring equipment and the second temperature measuring equipment, institute
State the first temperature measuring equipment to be arranged on the coil pipe of the First Heat Exchanger 401, the temperature for detecting the First Heat Exchanger 401
Degree, and second temperature measuring equipment is arranged on the coil pipe of second heat exchanger 402, for detecting the First Heat Exchanger
401 temperature.
According to the air-conditioner that the present invention is provided, the first temperature measuring equipment and the second temperature measuring equipment can in time monitor the first heat exchange
The temperature of the temperature of device 401 and the second heat exchanger 402, detects the temperature on the heat exchanger 402 of First Heat Exchanger 401 and second exactly
Whether whether degree reaches the temperature for wanting frosting, carried out with the defrost action that this determines air-conditioner, improves the sensitivity of air-conditioner,
Moment ensures that air-conditioner is in heat exchange efficiency higher.
According to one embodiment of present invention, the attemperating unit also includes：Controller, the controller is connected to described
First temperature measuring equipment and second temperature measuring equipment, for receiving the temperature of the first temperature measuring equipment detection and receiving described
The temperature of the second temperature measuring equipment detection, and the temperature according to first temperature measuring equipment detection and second temperature measuring equipment detection
Temperature control described in primary heater 501, it is described first control valve 601 act, the secondary heater 502 and described second
Control valve 602 is acted.
According to one embodiment of present invention, as shown in figure 1, the controller is in except heating mould in the air-conditioner
During other patterns of formula, for controlling the primary heater 501 and the secondary heater 502 to close, and first control
Valve processed 601 and the second control valve 602 are opened.
Air-conditioner according to an embodiment of the invention, when air-conditioner is in refrigeration mode, the first control valve 601 and second
Control valve 602 is opened completely, and primary heater 501 and secondary heater 502 are closed, refrigerant flow direction in systems：Compressor 7
The control control of valve 601 and second of exhaust outlet → four-way valve 1 → the first valve 602 → primary heater 501 and secondary heater 502 →
The gas returning port of 401 and second 2 → compressor of heat exchanger 402 → throttling arrangement, 3 → indoor heat exchanger of First Heat Exchanger 7.Controller root
Sex work is selected according to air-conditioner working condition, the power consumption of air-conditioner is saved, the failure of controller is also effectively reduced
Rate, and then improve the reliability and cost performance of air-conditioner.
According to one embodiment of present invention, as shown in Fig. 2 the controller is in heating mode in the air-conditioner
When, and be all higher than equal to described in the temperature that the temperature that first temperature measuring equipment is detected is detected with second temperature measuring equipment
During preset temperature, for controlling the primary heater 501 and the secondary heater 502 to close, and the first control valve
601 open completely with the described second control valve 602.
Air-conditioner according to an embodiment of the invention, when air-conditioner is heated, and in first temperature measuring equipment
The temperature that the temperature of detection is detected with second temperature measuring equipment is all higher than being equal to the preset temperature, that is to say, that in air-conditioning
In the absence of in the case of frosting, first controls the heat exchanger 402 of First Heat Exchanger 401 and second of the outdoor heat exchange device assembly of device
The control valve 602 of valve 601 and second is opened completely, and primary heater 501 and secondary heater 502 close, and refrigerant is in systems
Flow direction：7 exhaust outlets of compressor → 3 → First Heat Exchanger of four-way valve 1 → indoor heat exchanger, 2 → throttling arrangement 401 and second exchanges heat
402 → primary heater of device 501 and the control valve 601 and second of secondary heater 502 → the first control 602 → compressor of valve 7 times
Gas port.
According to one embodiment of present invention, as shown in figure 3, the controller is in heating mode in the air-conditioner
When, and when the temperature of first temperature measuring equipment detection is less than the preset temperature, for controlling the primary heater
501 are opened, the first control valve 601 is not exclusively opened, the secondary heater 502 is closed and the second control valve 602
Open completely.
Air-conditioner according to an embodiment of the invention, when air-conditioner is heated, and in first temperature measuring equipment
When the temperature of detection is less than the preset temperature, that is to say, that when the temperature on the First Heat Exchanger 401 of tie point is less than sky
When adjusting the preset temperature of device, tie point frosting is heated, the by controlling primary heater 501 to open to refrigerant
One control valve 601 not exclusively opens control cold medium flux, carries out defrost treatment, and the secondary heater 502 on the second branch road is closed
Close and the second control valve 602 is opened completely, proceed to heat, can so reduce the fluctuation of indoor temperature, do not influenceing system
Defrost treatment can be carried out under conditions of heat operation again, it is ensured that the thermal comfort experience of user, and refrigerant stream in systems
To：7 exhaust outlets of compressor → four-way valve 1 → indoor heat exchanger, 2 → throttling arrangement 3 → First Heat Exchanger 401 and the second heat exchanger
402 → primary heater 501 and the return-air of 602 → compressor of the control control valve of valve 601 and second of secondary heater 502 → the first 7
Mouthful.
According to one embodiment of present invention, as shown in figure 4, the controller is in heating mode in the air-conditioner
When, and when the temperature of second temperature measuring equipment detection is less than the preset temperature, for controlling the secondary heater
502 are opened, the second control valve 602 is not exclusively opened, the primary heater 501 is closed and the first control valve 601
Open completely.
Air-conditioner according to an embodiment of the invention, when air-conditioner is heated, and in second temperature measuring equipment
When the temperature of detection is less than the preset temperature, that is to say, that when the temperature on the second heat exchanger 402 of the second branch road is less than sky
When adjusting the preset temperature of device, the second branch road frosting is heated, the by controlling secondary heater 502 to open to refrigerant
Two control valves 602 not exclusively open control cold medium flux, carry out defrost treatment, and the primary heater 501 in tie point is closed
Close and the first control valve 601 is opened completely, proceed to heat, can so reduce the fluctuation of indoor temperature, do not influenceing system
Defrost treatment can be carried out under conditions of heat operation again, it is ensured that the thermal comfort experience of user, and the refrigerant that flows to of refrigerant exists
Flow direction in system：7 exhaust outlets of the compressor → He of 3 → First Heat Exchanger of four-way valve 1 → indoor heat exchanger, 2 → throttling arrangement 401
Second 402 → primary heater of heat exchanger 501 and the control control valve 602 → pressure of valve 601 and second of secondary heater 502 → the first
The gas returning port of contracting machine 7.
According to one embodiment of present invention, as shown in Figure 4 and Figure 5, the controller is in the air-conditioner and heats
During pattern, and the temperature detected in first temperature measuring equipment is respectively less than described presetting with the temperature of second temperature measuring equipment
During temperature, for controlling the primary heater 501 to open, the first control valve 601 is not exclusively opened, described second heats
Device 502 is closed and the second control valve 602 is opened completely, or the control secondary heater 502 is opened, described second controls
Valve 602 is not exclusively opened, the primary heater 501 is closed and the first control valve 601 is opened completely.
Air-conditioner according to an embodiment of the invention, when air-conditioner is heated, the temperature of the first temperature measuring equipment detection
When temperature with the second temperature measuring equipment is respectively less than preset temperature, that is to say, that when the First Heat Exchanger 401 and second of tie point
When temperature on second heat exchanger 402 of branch road is respectively less than the preset temperature of air-conditioner, tie point and the second branch road are tied
Frost, first, first judgement is that the heat exchanger on which branch road first reaches frosting condition, when the First Heat Exchanger 401 in tie point
First reach frosting condition, refrigerant is heated by controlling primary heater 501 to open, first control valve 601 it is not complete
It is complete to open control cold medium flux, defrost treatment is carried out, and the secondary heater 502 on the second branch road is closed and the second control valve
602 open completely, proceed to heat, and when the temperature of First Heat Exchanger 401 is more than preset temperature, tie point stops defrost
Heated and closed primary heater 501 and the first control valve 601 is opened completely, and the second branch road is started defrost, by second
Heater 502 open refrigerant is heated, second control valve 602 not exclusively open control cold medium flux, two branch roads
Alternately heater, heats to refrigerant, reaches a branch road and is heated, and a branch road carries out defrost, can so reduce
The fluctuation of indoor temperature, can carry out defrost treatment, it is ensured that the thermal comfort of user again under conditions of heating operation is not influenceed
Experience, and improve the service life of air-conditioner, and refrigerant flow direction in systems：7 exhaust outlets of compressor → four-way valve 1
2 → throttling arrangement of → indoor heat exchanger, 3 → First Heat Exchanger 401 and second 402 → primary heater of heat exchanger 501 and second add
The gas returning port of 602 → compressor of the control control valve of valve 601 and second of hot device 502 → the first 7.
As shown in fig. 7, a kind of control method of air-conditioner of embodiment according to the second aspect of the invention, for above-mentioned
Air-conditioner described in any one, the control method of the air-conditioner includes：Step 702, after the air-conditioner is started, judges
Whether heating mode is in；Step 704, when the judged result is no, adds the primary heater 501 and described second
Hot device 502 is closed, and the first control valve 601 is opened completely with the described second control valve 602；When judged result is yes
When, step 706 judges the temperature and the outdoor heat exchange device assembly of the First Heat Exchanger 401 of the outdoor heat exchange device assembly
Whether the temperature of the second heat exchanger 402 is all higher than or equal to preset temperature；When the temperature of the First Heat Exchanger 401 and described
The temperature of two heat exchangers 402 is all higher than or during equal to the preset temperature, and step 704 makes the of the outdoor heat exchange device assembly
The secondary heater 502 of one heater 501 and the outdoor heat exchange device assembly is closed, and makes the of the outdoor heat exchange device assembly
Second control valve 602 of one control valve 601 and the outdoor heat exchange device assembly is opened completely, and otherwise, step 708 makes described the
One heater 501 is opened, the first control valve 601 is not exclusively opened, the secondary heater 502 is closed and second control
Valve processed 602 is opened completely, or open the secondary heater 502, the second control valve 602 is not exclusively opened, described the
One heater 501 is closed and the first control valve 601 is opened completely, until the temperature of the First Heat Exchanger 401 and described
The temperature of the second heat exchanger 402 is all higher than or equal to the preset temperature.
The control method of air-conditioner, as shown in Figures 1 to 7, is starting the control of air-conditioning according to an embodiment of the invention
After device, whether controller first determines whether air-conditioning in heating mode；If air-conditioner is in heating mode, controller starts detection
The temperature of the heat exchanger 402 of First Heat Exchanger 401 and second, then contrasts detection temperature and predetermined temperature, according to detection temperature
With the contrast of preset temperature, determine that the first control valve 601, second controls valve 602, primary heater 501, secondary heater 502
Working condition.If air-conditioner is not at heating mode, controller closes primary heater 501 and secondary heater 502,
And the first control valve 601 is opened completely with the second control valve 602, the now normal heating operation of the two of air-conditioning branch road.Wherein,
When air-conditioner is in heating mode, when the temperature of the heat exchanger 402 of First Heat Exchanger 401 and second of controller detection is all higher than
During preset temperature, controller closes primary heater 501 and secondary heater 502, and makes the first control valve 601 and the second control
Valve processed 602 is opened completely, now the normal heating operation of the two of air-conditioning branch road.When on the First Heat Exchanger 401 of tie point
When temperature is less than the preset temperature of air-conditioner, tie point frosting is added by controlling primary heater 501 to open to refrigerant
It is heat-treated, the first control valve 601 not exclusively opens control cold medium flux, carries out defrost treatment, and on the second branch road second adds
Hot device 502 is closed and the second control valve 602 is opened completely, proceeds to heat.When the temperature of the second temperature measuring equipment detection is less than
During preset temperature, that is to say, that when preset temperature of the temperature on the second heat exchanger 402 of the second branch road less than air-conditioner,
Second branch road frosting, refrigerant is heated by controlling secondary heater 502 to open, second control valve 602 it is incomplete
Control cold medium flux is opened, defrost treatment is carried out, and the primary heater 501 in tie point is closed and the first control valve 601
Open completely, proceed to heat.It is all small when controller starts to detect the temperature of the heat exchanger 402 of First Heat Exchanger 401 and second
When preset temperature, there is a normal work in tie point and the second branch road, another carries out heating defrost, when a branch road
After defrost is finished, when detection temperature is more than preset temperature, controller is added this branch road normal work to another branch road
Thermalization frost, until the detection temperature of two branch roads is both greater than equal to preset temperature.Now at least one branch road is being just all the time for air-conditioning
Often operation, does not influence the normal of air-conditioner to heat, and enters without the comfort level of influence user and to air-conditioner using experience.
As shown in fig. 6, after system boot, judging whether it is heating operation, if it is not, two control valves are opened completely, two add
Hot device is closed.Otherwise, judge whether outdoor heat exchanger coil temperature T >=t sets up, if so, two control valves are opened completely, and two
Individual refrigerant heater is closed, and otherwise primary heater one is closed, and the first control valve is opened completely；Secondary heater is opened, and second
Control valve opens certain aperture, and until coil temperature T >=t, secondary heater stops heating, and control valve is opened completely, while inspection
Look into whether another outdoor heat exchanger branch road coil temperature T >=t sets up, similarly come determine this branch road primary heater open and first
Whether control valve fully opens, so circulation, and two branch roads replace heater, reach a branch road and heat, another branch road defrost
Purpose system boot after, judge whether it is heating operation, if it is not, two control valves are opened completely, two refrigerant heaters are closed.
Otherwise, judge whether outdoor heat exchanger coil temperature T >=t sets up, if so, two control valves are opened completely, and primary heater is closed
Close, otherwise primary heater is closed, the first control valve is opened completely；Secondary heater is opened, and the second control valve is opened and necessarily opened
Degree, until coil temperature T >=t, secondary heater stops heating, and the second control valve is opened completely, while checking that another outdoor is changed
Whether whether hot device branch road coil temperature T >=t sets up, similarly complete to determine the unlatching of this branch road primary heater and the first control valve
Full open, so circulation, two branch roads alternately open refrigerant heater, reach a branch road and heat, the purpose of another branch road defrost.
In the description of this specification, term " connection " etc. all should be interpreted broadly, for example, " connection " can be the company of fixation
Connect, or be detachably connected, or be integrally connected；Can be joined directly together, it is also possible to be indirectly connected to by intermediary.
For the ordinary skill in the art, above-mentioned term specifically containing in the present invention can as the case may be understood
Justice.
In the description of this specification, the description of term " one embodiment " etc. means that combining the embodiment or example describes
Specific features, structure, material or feature be contained at least one embodiment of the invention or example.In this manual,
Schematic representation to above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, knot
Structure, material or feature can in an appropriate manner be combined in one or more any embodiments or example.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of air-conditioner, it is characterised in that including：
Outdoor heat exchange device assembly, the outdoor heat exchange device assembly includes First Heat Exchanger, the second heat exchanger, primary heater, the
Two heaters, the first control valve and the second control valve, the First Heat Exchanger and the primary heater are connected in series to form the
One branch road, second heat exchanger and the secondary heater are connected in series to form the second branch road, wherein, the tie point with
The second branch circuit parallel connection connection, the first control valve is located in the tie point, the first control valve, described first
Heater and the First Heat Exchanger are sequentially connected in series, and the second control valve is located on second branch road, and described second
Control valve, the secondary heater and second heat exchanger are sequentially connected in series；
Attemperating unit, is connected to the outdoor heat exchange device assembly, the temperature and described second for detecting the First Heat Exchanger
The temperature of heat exchanger, and the primary heater action according to the temperature control of the First Heat Exchanger, and according to described the
Secondary heater action described in the temperature control of two heat exchangers；
Four-way valve, the four-way valve includes first port, second port, the 3rd port and the 4th port；
Compressor, the compressor includes gas returning port and exhaust outlet, and the gas returning port is connected with the first port, the exhaust
Mouth is connected with the second port；
Indoor heat exchanger, one end of the indoor heat exchanger is connected with the 3rd port, the other end of the indoor heat exchanger
It is connected with the first end of throttling arrangement；
The throttling arrangement, the second end of the throttling arrangement is connected with one end of the outdoor heat exchange device assembly, the outdoor
The other end of heat exchanger assembly is connected with the 4th port of the four-way valve；
Wherein, the first control valve and the second control valve are connected with second end of the throttling arrangement, and described the
One heat exchanger and second heat exchanger are connected with the 4th port of the four-way valve.
2. the air-conditioner according to claim 1, it is characterised in that the attemperating unit includes：First temperature measuring equipment and
Second temperature measuring equipment, first temperature measuring equipment is arranged on the coil pipe of the First Heat Exchanger, for detecting that described first changes
The temperature of hot device, and second temperature measuring equipment is arranged on the coil pipe of second heat exchanger, for detecting that described second changes
The temperature of hot device.
3. the air-conditioner according to claim 2, it is characterised in that the attemperating unit also includes：Controller, the control
Device processed is connected to first temperature measuring equipment and second temperature measuring equipment, the temperature for receiving the first temperature measuring equipment detection
Spend and receive the temperature of the second temperature measuring equipment detection, and the temperature and described second detected according to first temperature measuring equipment
Primary heater, the first control valve, the secondary heater and described second described in the temperature control of temperature measuring equipment detection
Control valve events.
4. the air-conditioner according to claim 3, it is characterised in that the controller is in except system in the air-conditioner
During other patterns of heat pattern, for controlling the primary heater and the secondary heater to close, and first control
Valve and the second control valve are opened completely.
5. the air-conditioner according to claim 3, it is characterised in that the controller is in the air-conditioner and heats mould
During formula, and it is all higher than being equal in advance in the temperature that the temperature that first temperature measuring equipment is detected is detected with second temperature measuring equipment
If during temperature, for controlling the primary heater and the secondary heater to close, and the first control valve and described the
Two control valves are opened completely.
6. the air-conditioner according to claim 3, it is characterised in that the controller is in the air-conditioner and heats mould
During formula, and when the temperature of first temperature measuring equipment detection is less than preset temperature, for controlling the primary heater to beat
Open, the first control valve is not exclusively opened, the secondary heater is closed and the second control valve is opened completely.
7. the air-conditioner according to claim 3, it is characterised in that the controller is in the air-conditioner and heats mould
During formula, and when the temperature of second temperature measuring equipment detection is less than preset temperature, for controlling the secondary heater to beat
Open, the second control valve is not exclusively opened, the primary heater is closed and the first control valve is opened completely.
8. the air-conditioner according to claim 3, it is characterised in that the controller is in the air-conditioner and heats mould
During formula, and preset temperature is respectively less than with the temperature of second temperature measuring equipment in the temperature that first temperature measuring equipment is detected
When, control the primary heater to open, the first control valve is not exclusively opened, the secondary heater is closed and described the
Two control valves are opened completely, or the control secondary heater is opened, the second control valve is not exclusively opened, described first adds
Hot device is closed and the first control valve is opened completely.
9. a kind of control method of air-conditioner, it is characterised in that for the air-conditioner as any one of claim 1 to 8,
The control method of the air-conditioner includes：
After the air-conditioner is started, judge whether in heating mode；
When judged result is no, close the primary heater of outdoor heat exchange device assembly and secondary heater, and make the room
First control valve of external heat exchanger component is opened completely with the second control valve of the outdoor heat exchange device assembly；
When the judged result is to be, the temperature and the outdoor for judging the First Heat Exchanger of the outdoor heat exchange device assembly are changed
Whether the temperature of the second heat exchanger of hot device assembly is all higher than or equal to preset temperature；
It is all higher than when the temperature of the First Heat Exchanger and the temperature of second heat exchanger or during equal to the preset temperature, is made
The secondary heater of the primary heater of the outdoor heat exchange device assembly and the outdoor heat exchange device assembly is closed, and makes the room
First control valve of external heat exchanger component is opened completely with the second control valve of the outdoor heat exchange device assembly, otherwise, is made described
Primary heater is opened, the first control valve is not exclusively opened, the secondary heater is closed and the second control valve is complete
It is complete to open, or open the secondary heater, the second control valve is not exclusively opened, the primary heater is closed and institute
State the first control valve to open completely, until the temperature of the temperature of the First Heat Exchanger and second heat exchanger is all higher than or waits
In the preset temperature.
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| CN201410810639.6A CN104596000B (en) | 2014-12-19 | 2014-12-19 | Air conditioner and control method of air conditioner |
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| CN201410810639.6A CN104596000B (en) | 2014-12-19 | 2014-12-19 | Air conditioner and control method of air conditioner |
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| CN104596000A CN104596000A (en) | 2015-05-06 |
| CN104596000B true CN104596000B (en) | 2017-05-24 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976737B (en) * | 2015-06-30 | 2018-02-23 | 广东美的制冷设备有限公司 | Air conditioner and refrigerating method |
| CN105953360B (en) * | 2016-05-04 | 2018-10-16 | 广东美的暖通设备有限公司 | The control method of air conditioner and air conditioner |
| CN108397829B (en) * | 2018-04-20 | 2021-05-25 | 青岛海尔空调器有限总公司 | Fresh air conditioner indoor unit |
| CN108826583B (en) * | 2018-05-30 | 2020-01-17 | 珠海格力电器股份有限公司 | Defrosting control method and device of air conditioning system |
| CN113340011B (en) * | 2021-06-08 | 2022-05-03 | 四川大学 | Heat exchanger rapid switching mechanism and method for refrigeration and heat pump circulating system |
| CN113776263A (en) * | 2021-08-25 | 2021-12-10 | 珠海格力电器股份有限公司 | Evaporator defrosting control method and device and refrigerator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11173624A (en) * | 1997-12-09 | 1999-07-02 | Sanyo Electric Co Ltd | Air conditioner |
| CN200989704Y (en) * | 2006-12-13 | 2007-12-12 | 浙江盾安人工环境设备股份有限公司 | Low-temperature constant-temperature constant-humidity air conditioner unit |
| CN102022807A (en) * | 2009-09-11 | 2011-04-20 | Lg电子株式会社 | Air conditioner and method for controlling the same |
| CN202254546U (en) * | 2011-07-29 | 2012-05-30 | 苏州韩博厨房电器科技有限公司 | Fuzzy electrical heating defrosting device of air-source heat pump water heater |
| CN202902507U (en) * | 2012-07-09 | 2013-04-24 | 青岛海尔空调电子有限公司 | Heat pump air conditioner defrosting system |
| CN203550265U (en) * | 2013-07-15 | 2014-04-16 | 潘延龄 | Double-evaporator refrigerating device allowing continuous refrigerating |
| CN204421439U (en) * | 2014-12-19 | 2015-06-24 | 广东美的制冷设备有限公司 | Air-conditioner |
-
2014
- 2014-12-19 CN CN201410810639.6A patent/CN104596000B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11173624A (en) * | 1997-12-09 | 1999-07-02 | Sanyo Electric Co Ltd | Air conditioner |
| CN200989704Y (en) * | 2006-12-13 | 2007-12-12 | 浙江盾安人工环境设备股份有限公司 | Low-temperature constant-temperature constant-humidity air conditioner unit |
| CN102022807A (en) * | 2009-09-11 | 2011-04-20 | Lg电子株式会社 | Air conditioner and method for controlling the same |
| CN202254546U (en) * | 2011-07-29 | 2012-05-30 | 苏州韩博厨房电器科技有限公司 | Fuzzy electrical heating defrosting device of air-source heat pump water heater |
| CN202902507U (en) * | 2012-07-09 | 2013-04-24 | 青岛海尔空调电子有限公司 | Heat pump air conditioner defrosting system |
| CN203550265U (en) * | 2013-07-15 | 2014-04-16 | 潘延龄 | Double-evaporator refrigerating device allowing continuous refrigerating |
| CN204421439U (en) * | 2014-12-19 | 2015-06-24 | 广东美的制冷设备有限公司 | Air-conditioner |
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|---|---|
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