CN204421439U - Air-conditioner - Google Patents
Air-conditioner Download PDFInfo
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- CN204421439U CN204421439U CN201420826619.3U CN201420826619U CN204421439U CN 204421439 U CN204421439 U CN 204421439U CN 201420826619 U CN201420826619 U CN 201420826619U CN 204421439 U CN204421439 U CN 204421439U
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Abstract
The utility model provides a kind of air-conditioner, comprise: outdoor heat exchanger assembly, described outdoor heat exchanger assembly comprises First Heat Exchanger, the second heat exchanger, primary heater and secondary heater, described First Heat Exchanger and described primary heater are connected in series formation first branch road, described second heat exchanger and described secondary heater are connected in series formation second branch road, wherein, described first branch road is connected with described second branch circuit parallel connection; Attemperating unit, be connected to described outdoor heat exchanger assembly, for the temperature of the temperature and described second heat exchanger that detect described First Heat Exchanger, and control described primary heater action according to the temperature of described First Heat Exchanger, and control described secondary heater action according to the temperature of described second heat exchanger.By this technical scheme, make air-conditioner can continue heat supply in a heating mode, can also off-premises station defrost be given.
Description
Technical field
The utility model relates to household electrical appliance technical field, more specifically, relates to a kind of air-conditioner.
Background technology
Heat pump type air conditioner is when worst cold case heats, and the easy frosting of outdoor unit heat exchanger, increases thermal resistance and windage, and heat exchange efficiency sharply declines and has a strong impact on heat transfer effect, in order to avoid heat transfer effect continuous decrease, needs to carry out defrost to system.
Existing air-conditioned main defrost pattern switches cross valve, carries out kind of refrigeration cycle.Although such defrost pattern can by the frost on outdoor heat exchanger except clean, in defrost process, out of service during indoor set, can not give room continuous heat supply, can reduce room temperature, the thermal comfort affecting user is experienced.
Therefore, propose a kind of control method need not suspending the air-conditioner of heat supply when defrost and just seem very necessary.
Utility model content
The utility model is intended at least to solve one of technical problem existed in prior art.
For this reason, an object of the present utility model is, provides a kind of air-conditioner.
For achieving the above object, embodiment of the present utility model provides a kind of air-conditioner, outdoor heat exchanger assembly, described outdoor heat exchanger assembly comprises First Heat Exchanger, the second heat exchanger, primary heater and secondary heater, described First Heat Exchanger and described primary heater are connected in series formation first branch road, described second heat exchanger and described secondary heater are connected in series formation second branch road, and wherein, described first branch road is connected with described second branch circuit parallel connection; Attemperating unit, be connected to described outdoor heat exchanger assembly, for the temperature of the temperature and described second heat exchanger that detect described First Heat Exchanger, and control described primary heater action according to the temperature of described First Heat Exchanger, and control described secondary heater action according to the temperature of described second heat exchanger.
According to the air-conditioner of embodiment of the present utility model, outdoor heat exchanger assembly comprises the first branch road and the second branch road that are connected in parallel, each branch road is provided with the heat exchanger be connected in series and heater, heater is in parallel with heat exchanger, and by attemperating unit, thermometric is carried out to the heat exchanger in the first branch road and the second branch road, and according to the temperature control heater action recorded, by this technical scheme, air-conditioning in a heating mode, can while smooth defrost, continue to indoor heating, when there is not traditional air-conditioning defrost, the situation of defrost is carried out in environment heat absorption to outdoor heat exchanger indoor, and also can not reduce room temperature, fluctuations in indoor temperature is little, avoid the damage of compressor repeatedly starting and stopping to compressor, extend the service life of compressible machine, and then the life-span of the complete machine extended, avoiding cross valve commutates to the wearing and tearing of cross valve repeatedly, extend the service life of cross valve, improve the performance of air-conditioner.
In addition, the air-conditioner provided according to the utility model above-described embodiment also has following additional technical feature:
According to an embodiment of the present utility model, described outdoor heat exchanger assembly also comprises the first control valve and the second control valve, described first control valve is positioned on described first branch road, described first control valve, described primary heater and described First Heat Exchanger are sequentially connected in series, and described second control valve is positioned on described second branch road, described second control valve, described secondary heater and described second heat exchanger are sequentially connected in series.
According to the air-conditioner of embodiment of the present utility model, first branch road and the second branch road are respectively arranged with the first control valve and the second control valve, first control valve, primary heater, First Heat Exchanger is sequentially connected in series on the first leg, second control valve, secondary heater, second heat exchanger connects successively on the second branch road, and the first branch road is connected with the second branch circuit parallel connection, by this technical scheme, design two branch roads, each branch road is provided with heater, heat exchanger and control valve, can when carrying out defrost process, ensure that a branch road carries out defrost, another branch road proceeds to heat.
According to an embodiment of the present utility model, also comprise: cross valve, described cross valve comprises the first port, the second port, the 3rd port and the 4th port, compressor, described compressor comprises gas returning port and exhaust outlet, described gas returning port is connected with described first port, and described exhaust outlet is connected with described second port; Indoor heat exchanger, one end of described indoor heat exchanger is connected with described 3rd port, and the other end of described indoor heat exchanger is connected with the first end of throttling arrangement; Described throttling arrangement, the second end of described throttling arrangement is connected with one end of described outdoor heat exchanger assembly, and the other end of described outdoor heat exchanger assembly is connected with the 4th port of described cross valve.
According to the air-conditioner of embodiment of the present utility model, connected the refrigerant circulation circuit of compressor, cross valve, indoor heat exchanger, throttling arrangement, the formation of outdoor heat exchanger assembly by pipeline, make air-conditioner can carry out heating, freezing or other operations.
According to an embodiment of the present utility model, described first control valve and described second control valve are connected with described 4th port of described cross valve, and described First Heat Exchanger and described second heat exchanger are connected with described second end of described throttling arrangement.
According to the air-conditioner of embodiment of the present utility model, first control valve and the second control valve are connected with the 4th port of cross valve, First Heat Exchanger and the second heat exchanger are connected with the second end of throttling arrangement, in cooling mode, the refrigerant flow direction in systems in which: exhaust outlet of compressor → cross valve → the first control valve and the second control valve → primary heater and secondary heater → First Heat Exchanger and the second heat exchanger → throttling arrangement → indoor heat exchanger → compressor return air mouth, in a heating mode, the refrigerant flow direction in systems in which: exhaust outlet of compressor → cross 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 mouth.
According to an embodiment of the present utility model, described first control valve and described second control valve are connected with described second end of described throttling arrangement, and described First Heat Exchanger and described second heat exchanger are connected with described 4th port of described cross valve.
According to the air-conditioner of embodiment of the present utility model, first control valve and the second control valve are connected with the second port of throttling arrangement, First Heat Exchanger and the second heat exchanger are connected with the 4th port of cross valve, in cooling mode, the refrigerant flow direction in systems in which: exhaust outlet of compressor → cross valve → First Heat Exchanger and the second heat exchanger → primary heater and secondary heater → the first control valve and the second control valve → throttling arrangement → indoor heat exchanger → compressor return air mouth, in a heating mode, the refrigerant flow direction in systems in which: exhaust outlet of compressor → cross 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 mouth.
According to an embodiment of the present utility model, described attemperating unit comprises: the first temperature measuring equipment and the second temperature measuring equipment, described first temperature measuring equipment is arranged on the coil pipe of described First Heat Exchanger, for detecting the temperature of described First Heat Exchanger, and described second temperature measuring equipment is arranged on the coil pipe of described second heat exchanger, for detecting the temperature of described First Heat Exchanger.
According to the air-conditioner that the utility model provides, first temperature measuring equipment and the second temperature measuring equipment can monitor the temperature of First Heat Exchanger and the temperature of the second heat exchanger in time, whether the temperature detected on First Heat Exchanger and the second heat exchanger reaches the temperature wanting frosting exactly, determine whether the defrost action of air-conditioner is carried out with this, improve the sensitivity of air-conditioner, the moment ensures that air-conditioner is in higher heat exchange efficiency.
According to an embodiment of the present utility model, described attemperating unit also comprises: controller, described controller is connected to described first temperature measuring equipment and described second temperature measuring equipment, for receiving the temperature that described first temperature measuring equipment detects and the temperature receiving described second temperature measuring equipment detection, and control described primary heater, described first control valve action, described secondary heater and described second control valve action according to the temperature that temperature and described second temperature measuring equipment of described first temperature measuring equipment detection detect.
According to an embodiment of the present utility model, described controller is when described air-conditioner is in other patterns except heating mode, close for controlling described primary heater and described secondary heater, and described first control valve and described second control valve are opened completely.
According to the air-conditioner of embodiment of the present utility model, when air-conditioner is in refrigeration mode, first control valve and the second control valve are opened completely, primary heater and secondary heater are closed, the refrigerant flow direction in systems in which: exhaust outlet of compressor → cross valve → the first control valve and the second control valve → primary heater and secondary heater → First Heat Exchanger and the second heat exchanger → throttling arrangement → indoor heat exchanger → compressor return air mouth.Controller, according to the selective work of air-conditioner working condition, saves the power consumption of air-conditioner, also effectively reduces the fault rate of controller, and then improves reliability and the cost performance of air-conditioner.
According to an embodiment of the present utility model, described controller is when described air-conditioner is in heating mode, and when the temperature that the temperature that described first temperature measuring equipment detects and described second temperature measuring equipment detect all is more than or equal to described preset temperature, close for controlling described primary heater and described secondary heater, and described first control valve and described second control valve are opened completely.
According to the air-conditioner of embodiment of the present utility model, when air-conditioner heats, and the temperature detected at temperature and described second temperature measuring equipment of described first temperature measuring equipment detection is all more than or equal to described preset temperature, that is, when all there is not frosting in the First Heat Exchanger of the outdoor heat exchanger assembly of air-conditioner and the second heat exchanger, first control valve and the second control valve are opened completely, primary heater and secondary heater are closed, the refrigerant flow direction in systems in which: exhaust outlet of compressor → cross 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 mouth.
According to an embodiment of the present utility model, described controller is when described air-conditioner is in heating mode, and when the temperature of described first temperature measuring equipment detection is less than described preset temperature, opens for controlling described primary heater, described first control valve is not exclusively opened, described secondary heater is closed and described second control valve is opened completely.
According to the air-conditioner of embodiment of the present utility model, when air-conditioner heats, and when the temperature that described first temperature measuring equipment detects is less than described preset temperature, that is, when temperature on the First Heat Exchanger of the first branch road is less than the preset temperature of air-conditioner, first branch road frosting, opened by control primary heater and refrigerant is heated, first control valve not exclusively opens control cold medium flux, carry out defrost process, and the secondary heater on the second branch road is closed and the second control valve is opened completely, proceed to heat, the fluctuation of indoor temperature can be reduced like this, defrost process can be carried out again under the condition not affecting heating operation, ensure that the thermal comfort of user is experienced, and the refrigerant flow direction in systems in which: exhaust outlet of compressor → cross 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 mouth.
According to an embodiment of the present utility model, described controller is when described air-conditioner is in heating mode, and when the temperature of described second temperature measuring equipment detection is less than described preset temperature, opens for controlling described secondary heater, described second control valve is not exclusively opened, described primary heater is closed and described first control valve is opened completely.
According to the air-conditioner of embodiment of the present utility model, when air-conditioner heats, and when the temperature that described second temperature measuring equipment detects is less than described preset temperature, that is, when temperature on the second heat exchanger of the second branch road is less than the preset temperature of air-conditioner, second branch road frosting, opened by control secondary heater and refrigerant is heated, second control valve not exclusively opens control cold medium flux, carry out defrost process, and the primary heater on the first branch road is closed and the first control valve is opened completely, proceed to heat, the fluctuation of indoor temperature can be reduced like this, defrost process can be carried out again under the condition not affecting heating operation, ensure that the thermal comfort of user is experienced, and refrigerant flow to the refrigerant flow direction in systems in which: exhaust outlet of compressor → cross 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 mouth.
According to an embodiment of the present utility model, described controller is when described air-conditioner is in heating mode, and when the described temperature of the first temperature measuring equipment detection and the temperature of described second temperature measuring equipment are all less than described preset temperature, open for controlling described primary heater, described first control valve not exclusively opened, described secondary heater is closed and described second control valve is opened completely, or control that described secondary heater is opened, described second control valve is not exclusively opened, described primary heater is closed and described first control valve is opened completely.
According to the air-conditioner of embodiment of the present utility model, when air-conditioner heats, when the temperature of the temperature that the first temperature measuring equipment detects and the second temperature measuring equipment is all less than preset temperature, that is, when the temperature on the First Heat Exchanger of the first branch road and the second heat exchanger of the second branch road is all less than the preset temperature of air-conditioner, first branch road and the second branch road carry out frosting, first, first judgement is that the heat exchanger on which branch road first reaches frosting condition, when the First Heat Exchanger on the first branch road first reaches frosting condition, opened by control primary heater and refrigerant is heated, first control valve not exclusively opens control cold medium flux, carry out defrost process, and the secondary heater on the second branch road is closed and the second control valve is opened completely, proceed to heat, when the temperature of First Heat Exchanger is greater than preset temperature, first branch road stops defrost carrying out heating and to be closed by primary heater and the first control valve is opened completely, and the second branch road starts defrost, secondary heater is opened refrigerant is heated, second control valve not exclusively opens control cold medium flux, two branch roads replace heater, refrigerant is heated, reach a branch road to heat, a branch road carries out defrost, the fluctuation of indoor temperature can be reduced like this, defrost process can be carried out again under the condition not affecting heating operation, ensure that the thermal comfort of user is experienced, and improve the service life of air-conditioner, and the refrigerant flow direction in systems in which: exhaust outlet of compressor → cross 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 mouth.
Provide in description part below according to additional aspect of the present utility model and advantage, part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the connection diagram of air-conditioner when freezing according to an embodiment of the present utility model;
Fig. 2 is First Heat Exchanger and the connection diagram of the second heat exchanger all when heating of air-conditioner according to an embodiment of the present utility model;
Fig. 3 is the defrost route schematic diagram of the First Heat Exchanger of air-conditioner according to an embodiment of the present utility model;
Fig. 4 is the defrost route schematic diagram of the second heat exchanger of air-conditioner according to an embodiment of the present utility model;
Fig. 5 is the schematic diagram of the connected mode of air-conditioner according to another embodiment of the present utility model.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from mode described here to implement, and therefore, protection domain of the present utility model is not by the restriction of following public specific embodiment.
As shown in Figures 1 to 5, a kind of air-conditioner is provided according to the utility model first aspect embodiment, outdoor heat exchanger assembly, described outdoor heat exchanger assembly comprises First Heat Exchanger 401, second heat exchanger 402, primary heater 501 and secondary heater 502, described First Heat Exchanger 401 is connected in series formation first branch road with described primary heater 501, described second heat exchanger 402 and described secondary heater 502 are connected in series formation second branch road, wherein, described first branch road is connected with described second branch circuit parallel connection; Attemperating unit, be connected to described outdoor heat exchanger assembly, for the temperature of the temperature and described second heat exchanger 402 that detect described First Heat Exchanger 401, and control the action of described primary heater 501 according to the temperature of described First Heat Exchanger 401, and control the action of described secondary heater 502 according to the temperature of described second heat exchanger 402.
According to the air-conditioner of embodiment of the present utility model, outdoor heat exchanger assembly comprises the first branch road and the second branch road that are connected in parallel, each branch road is provided with the heat exchanger be connected in series and heater, heater is in parallel with heat exchanger, and by attemperating unit, thermometric is carried out to the heat exchanger in the first branch road and the second branch road, and according to the temperature control heater action recorded, by this technical scheme, air-conditioning in a heating mode, can while smooth defrost, continue to indoor heating, when there is not traditional air-conditioning defrost, the situation of defrost is carried out in environment heat absorption to outdoor heat exchanger indoor, and also can not reduce room temperature, fluctuations in indoor temperature is little, avoid the damage of compressor repeatedly starting and stopping to compressor, extend the service life of compressible machine, and then the life-span of the complete machine extended, avoiding cross valve commutates to the wearing and tearing of cross valve repeatedly, extend the service life of cross valve, improve the performance of air-conditioner.
In addition, the air-conditioner provided according to the utility model above-described embodiment also has following additional technical feature:
As shown in Figures 1 to 5, according to an embodiment of the present utility model, described outdoor heat exchanger assembly also comprises the first control valve 601 and the second control valve 602, described first control valve 601 is positioned on described first branch road, described first control valve 601, described primary heater 501 and described First Heat Exchanger 401 are sequentially connected in series, and described second control valve 602 is positioned on described second branch road, described second control valve 602, described secondary heater 502 and described second heat exchanger 402 are sequentially connected in series.
According to the air-conditioner of embodiment of the present utility model, first branch road and the second branch road are respectively arranged with the first control valve 601 and the second control valve 602, first control valve 601, primary heater 501, First Heat Exchanger 401 is sequentially connected in series on the first leg, second control valve 602, secondary heater 502, second heat exchanger 402 connects successively on the second branch road, and the first branch road is connected with the second branch circuit parallel connection, by this technical scheme, design two branch roads, each branch road is provided with heater, heat exchanger and control valve, can when carrying out defrost process, ensure that a branch road carries out defrost, another branch road proceeds to heat.
According to an embodiment of the present utility model, as shown in Figures 1 to 5, also comprise: cross valve 1, described cross valve 1 comprises the first port, the second port, the 3rd port and the 4th port, compressor 7, described compressor 7 comprises gas returning port and exhaust outlet, and described gas returning port is connected with described first port, and described exhaust outlet is connected with described second port; Indoor heat exchanger 2, one end of described indoor heat exchanger 2 is connected with described 3rd port, and the other end of described indoor heat exchanger 2 is connected with the first end of throttling arrangement 3; Described throttling arrangement 3, the second end of described throttling arrangement 3 is connected with one end of described outdoor heat exchanger assembly, and the other end of described outdoor heat exchanger assembly is connected with the 4th port of described cross valve 1.
According to the air-conditioner of embodiment of the present utility model, connected the refrigerant circulation circuit of compressor 7, cross valve 1, indoor heat exchanger 2, throttling arrangement 3, the formation of outdoor heat exchanger assembly by pipeline, make air-conditioner can carry out heating, freezing or other operations.
According to an embodiment of the present utility model, as shown in Figures 1 to 5, described first control valve 601 and described second control valve 602 are connected with described 4th port of described cross valve 1, and described First Heat Exchanger 401 and described second heat exchanger 402 are connected with described second end of described throttling arrangement 3.
According to the air-conditioner of embodiment of the present utility model, as shown in Figures 1 to 5, thick-line arrow representative heats, and thin-line arrow represents defrost.First control valve 601 and the second control valve 602 are connected with the 4th port of cross valve 1, First Heat Exchanger 401 and the second heat exchanger 402 are connected with the second end of throttling arrangement 3, in cooling mode, the refrigerant flow direction in systems in which: compressor 7 exhaust outlets → cross valve 1 → the first control valve 601 and second control valve 602 → primary heater 501 and secondary heater 502 → First Heat Exchanger 401 and second heat exchanger 402 → throttling arrangement 3 → indoor heat exchanger 2 → compressor 7 gas returning port, in a heating mode, the refrigerant flow direction in systems in which: compressor 7 exhaust outlets → cross valve 1 → indoor heat exchanger 2 → throttling arrangement 3 → First Heat Exchanger 401 and second heat exchanger 402 → primary heater 501 and secondary heater 502 → the first control valve 601 and second control valve 602 → compressor 7 gas returning port.
According to an embodiment of the present utility model, as shown in Figure 5, described first control valve 601 and described second control valve 602 are connected with described second end of described throttling arrangement 3, and described First Heat Exchanger 401 and described second heat exchanger 402 are connected with described 4th port of described cross valve 1.
According to the air-conditioner of embodiment of the present utility model, first control valve 601 and the second control valve 602 are connected with the second port of throttling arrangement 3, First Heat Exchanger 401 and the second heat exchanger 402 are connected with the 4th port of cross valve 1, in cooling mode, the refrigerant flow direction in systems in which: compressor 7 exhaust outlets → cross valve 1 → First Heat Exchanger 401 and second heat exchanger 402 → primary heater 501 and secondary heater 502 → the first control valve 601 and second control valve 602 → throttling arrangement 3 → indoor heat exchanger 2 → compressor 7 gas returning port, in a heating mode, the refrigerant flow direction in systems in which: compressor 7 exhaust outlets → cross valve 1 → indoor heat exchanger 2 → throttling arrangement 3 → the first control valve 601 and second control valve 602 → primary heater 501 and secondary heater 502 → First Heat Exchanger 401 and second heat exchanger 402 → compressor 7 gas returning port.
According to an embodiment of the present utility model, described attemperating unit comprises: the first temperature measuring equipment and the second temperature measuring equipment, described first temperature measuring equipment is arranged on the coil pipe of described First Heat Exchanger 401, for detecting the temperature of described First Heat Exchanger 401, and described second temperature measuring equipment is arranged on the coil pipe of described second heat exchanger 402, for detecting the temperature of described First Heat Exchanger 401.
According to the air-conditioner that the utility model provides, first temperature measuring equipment and the second temperature measuring equipment can monitor the temperature of First Heat Exchanger 401 and the temperature of the second heat exchanger 402 in time, whether the temperature detected on First Heat Exchanger 401 and the second heat exchanger 402 reaches the temperature wanting frosting exactly, determine whether the defrost action of air-conditioner is carried out with this, improve the sensitivity of air-conditioner, the moment ensures that air-conditioner is in higher heat exchange efficiency.
According to an embodiment of the present utility model, described attemperating unit also comprises: controller, described controller is connected to described first temperature measuring equipment and described second temperature measuring equipment, for receiving the temperature that described first temperature measuring equipment detects and the temperature receiving described second temperature measuring equipment detection, and control described primary heater 501, described first control valve 601 action, described secondary heater 502 and described second control valve 602 action according to the temperature that temperature and described second temperature measuring equipment of described first temperature measuring equipment detection detect.
According to an embodiment of the present utility model, as shown in Figure 1, described controller is when described air-conditioner is in other patterns except heating mode, for controlling described primary heater 501 and described secondary heater 502 is closed, and described first control valve 601 and described second control valve 602 are opened.
According to the air-conditioner of embodiment of the present utility model, when air-conditioner is in refrigeration mode, first control valve 601 and the second control valve 602 are opened completely, primary heater 501 and secondary heater 502 are closed, the refrigerant flow direction in systems in which: compressor 7 exhaust outlets → cross valve 1 → the first control valve 601 and second control valve 602 → primary heater 501 and secondary heater 502 → First Heat Exchanger 401 and second heat exchanger 402 → throttling arrangement 3 → indoor heat exchanger 2 → compressor 7 gas returning port.Controller, according to the selective work of air-conditioner working condition, saves the power consumption of air-conditioner, also effectively reduces the fault rate of controller, and then improves reliability and the cost performance of air-conditioner.
According to an embodiment of the present utility model, as shown in Figure 2, described controller is when described air-conditioner is in heating mode, and when the temperature that the temperature that described first temperature measuring equipment detects and described second temperature measuring equipment detect all is more than or equal to described preset temperature, for controlling described primary heater 501 and described secondary heater 502 is closed, and described first control valve 601 is opened completely with described second control valve 602.
According to the air-conditioner of embodiment of the present utility model, when air-conditioner heats, and the temperature detected at temperature and described second temperature measuring equipment of described first temperature measuring equipment detection is all more than or equal to described preset temperature, that is, when all there is not frosting in the First Heat Exchanger 401 of the outdoor heat exchanger assembly of air-conditioner and the second heat exchanger 402, first control valve 601 and the second control valve 602 are opened completely, primary heater 501 and secondary heater 502 are closed, the refrigerant flow direction in systems in which: compressor 7 exhaust outlets → cross valve 1 → indoor heat exchanger 2 → throttling arrangement 3 → First Heat Exchanger 401 and second heat exchanger 402 → primary heater 501 and secondary heater 502 → the first control valve 601 and second control valve 602 → compressor 7 gas returning port.
According to an embodiment of the present utility model, as shown in Figure 3, described controller is when described air-conditioner is in heating mode, and when the temperature that described first temperature measuring equipment detects is less than described preset temperature, opens for controlling described primary heater 501, described first control valve 601 is not exclusively opened, described secondary heater 502 is closed and described second control valve 602 is opened completely.
According to the air-conditioner of embodiment of the present utility model, when air-conditioner heats, and when the temperature that described first temperature measuring equipment detects is less than described preset temperature, that is, when temperature on the First Heat Exchanger 401 of the first branch road is less than the preset temperature of air-conditioner, first branch road frosting, opened by control primary heater 501 and refrigerant is heated, first control valve 601 not exclusively opens control cold medium flux, carry out defrost process, and the secondary heater 502 on the second branch road is closed and the second control valve 602 is opened completely, proceed to heat, the fluctuation of indoor temperature can be reduced like this, defrost process can be carried out again under the condition not affecting heating operation, ensure that the thermal comfort of user is experienced, and the refrigerant flow direction in systems in which: compressor 7 exhaust outlets → cross valve 1 → indoor heat exchanger 2 → throttling arrangement 3 → First Heat Exchanger 401 and second heat exchanger 402 → primary heater 501 and secondary heater 502 → the first control valve 601 and second control valve 602 → compressor 7 gas returning port.
According to an embodiment of the present utility model, as shown in Figure 4, described controller is when described air-conditioner is in heating mode, and when the temperature that described second temperature measuring equipment detects is less than described preset temperature, opens for controlling described secondary heater 502, described second control valve 602 is not exclusively opened, described primary heater 501 is closed and described first control valve 601 is opened completely.
According to the air-conditioner of embodiment of the present utility model, when air-conditioner heats, and when the temperature that described second temperature measuring equipment detects is less than described preset temperature, that is, when temperature on the second heat exchanger 402 of the second branch road is less than the preset temperature of air-conditioner, second branch road frosting, opened by control secondary heater 502 and refrigerant is heated, second control valve 602 not exclusively opens control cold medium flux, carry out defrost process, and the primary heater 501 on the first branch road is closed and the first control valve 601 is opened completely, proceed to heat, the fluctuation of indoor temperature can be reduced like this, defrost process can be carried out again under the condition not affecting heating operation, ensure that the thermal comfort of user is experienced, and refrigerant flow to the refrigerant flow direction in systems in which: compressor 7 exhaust outlets → cross valve 1 → indoor heat exchanger 2 → throttling arrangement 3 → First Heat Exchanger 401 and second heat exchanger 402 → primary heater 501 and secondary heater 502 → the first control valve 601 and second control valve 602 → compressor 7 gas returning port.
According to an embodiment of the present utility model, as shown in Figure 4 and Figure 5, described controller is when described air-conditioner is in heating mode, and when the described temperature of the first temperature measuring equipment detection and the temperature of described second temperature measuring equipment are all less than described preset temperature, open for controlling described primary heater 501, described first control valve 601 is not exclusively opened, described secondary heater 502 is closed and described second control valve 602 is opened completely, or control described secondary heater 502 and open, described second control valve 602 is not exclusively opened, described primary heater 501 is closed and described first control valve 601 is opened completely.
According to the air-conditioner of embodiment of the present utility model, when air-conditioner heats, when the temperature of the temperature that the first temperature measuring equipment detects and the second temperature measuring equipment is all less than preset temperature, that is, when the temperature on the First Heat Exchanger 401 of the first branch road and the second heat exchanger 402 of the second branch road is all less than the preset temperature of air-conditioner, first branch road and the second branch road carry out frosting, first, first judgement is that the heat exchanger on which branch road first reaches frosting condition, when the First Heat Exchanger 401 on the first branch road first reaches frosting condition, opened by control primary heater 501 and refrigerant is heated, first control valve 601 not exclusively opens control cold medium flux, carry out defrost process, and the secondary heater 502 on the second branch road is closed and the second control valve 602 is opened completely, proceed to heat, when the temperature of First Heat Exchanger 401 is greater than preset temperature, first branch road stops defrost carrying out heating and to be closed by primary heater 501 and the first control valve 601 is opened completely, and the second branch road starts defrost, secondary heater 502 is opened refrigerant is heated, second control valve 602 not exclusively opens control cold medium flux, two branch roads replace heater, refrigerant is heated, reach a branch road to heat, a branch road carries out defrost, the fluctuation of indoor temperature can be reduced like this, defrost process can be carried out again under the condition not affecting heating operation, ensure that the thermal comfort of user is experienced, and improve the service life of air-conditioner, and the refrigerant flow direction in systems in which: compressor 7 exhaust outlets → cross valve 1 → indoor heat exchanger 2 → throttling arrangement 3 → First Heat Exchanger 401 and second heat exchanger 402 → primary heater 501 and secondary heater 502 → the first control valve 601 and second control valve 602 → compressor 7 gas returning port.
In the description of this description, term " connection " etc. all should be interpreted broadly, and such as, " connection " can be fixedly connected with, and also can be removably connect, or connects integratedly; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the description of this description, specific features, structure, material or feature that the description of term " embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (12)
1. an air-conditioner, is characterized in that, comprising:
Outdoor heat exchanger assembly, described outdoor heat exchanger assembly comprises First Heat Exchanger, the second heat exchanger, primary heater and secondary heater, described First Heat Exchanger and described primary heater are connected in series formation first branch road, described second heat exchanger and described secondary heater are connected in series formation second branch road, wherein, described first branch road is connected with described second branch circuit parallel connection;
Attemperating unit, be connected to described outdoor heat exchanger assembly, for the temperature of the temperature and described second heat exchanger that detect described First Heat Exchanger, and control described primary heater action according to the temperature of described First Heat Exchanger, and control described secondary heater action according to the temperature of described second heat exchanger.
2. according to the air-conditioner described in claim 1, it is characterized in that, described outdoor heat exchanger assembly also comprises the first control valve and the second control valve, described first control valve is positioned on described first branch road, described first control valve, described primary heater and described First Heat Exchanger are sequentially connected in series, and
Described second control valve is positioned on described second branch road, and described second control valve, described secondary heater and described second heat exchanger are sequentially connected in series.
3. according to the air-conditioner described in claim 2, it is characterized in that, also comprise:
Cross valve, described cross valve comprises the first port, the second port, the 3rd port and the 4th port,
Compressor, described compressor comprises gas returning port and exhaust outlet, and described gas returning port is connected with described first port, and described exhaust outlet is connected with described second port;
Indoor heat exchanger, one end of described indoor heat exchanger is connected with described 3rd port, and the other end of described indoor heat exchanger is connected with the first end of throttling arrangement;
Described throttling arrangement, the second end of described throttling arrangement is connected with one end of described outdoor heat exchanger assembly, and the other end of described outdoor heat exchanger assembly is connected with the 4th port of described cross valve.
4. according to the air-conditioner described in claim 3, it is characterized in that, described first control valve and described second control valve are connected with described 4th port of described cross valve, and described First Heat Exchanger and described second heat exchanger are connected with described second end of described throttling arrangement.
5. according to the air-conditioner described in claim 3, it is characterized in that, described first control valve and described second control valve are connected with described second end of described throttling arrangement, and described First Heat Exchanger and described second heat exchanger are connected with described 4th port of described cross valve.
6. according to the air-conditioner described in claim 2, it is characterized in that, described attemperating unit comprises: the first temperature measuring equipment and the second temperature measuring equipment, described first temperature measuring equipment is arranged on the coil pipe of described First Heat Exchanger, for detecting the temperature of described First Heat Exchanger, and described second temperature measuring equipment is arranged on the coil pipe of described second heat exchanger, for detecting the temperature of described First Heat Exchanger.
7. according to the air-conditioner described in claim 6, it is characterized in that, described attemperating unit also comprises: controller, described controller is connected to described first temperature measuring equipment and described second temperature measuring equipment, for receiving the temperature that described first temperature measuring equipment detects and the temperature receiving described second temperature measuring equipment detection, and control described primary heater, described first control valve, described secondary heater and described second control valve action according to the temperature that temperature and described second temperature measuring equipment of described first temperature measuring equipment detection detect.
8. according to the air-conditioner described in claim 7, it is characterized in that, described controller, when described air-conditioner is in other patterns except heating mode, cuts out for controlling described primary heater and described secondary heater, and described first control valve and described second control valve are opened completely.
9. according to the air-conditioner described in claim 7, it is characterized in that, described controller is when described air-conditioner is in heating mode, and when the temperature that the temperature that described first temperature measuring equipment detects and described second temperature measuring equipment detect all is more than or equal to preset temperature, close for controlling described primary heater and described secondary heater, and described first control valve and described second control valve are opened completely.
10. according to the air-conditioner described in claim 7, it is characterized in that, described controller is when described air-conditioner is in heating mode, and when the temperature of described first temperature measuring equipment detection is less than preset temperature, opens for controlling described primary heater, described first control valve is not exclusively opened, described secondary heater is closed and described second control valve is opened completely.
11. according to the air-conditioner described in claim 7, it is characterized in that, described controller is when described air-conditioner is in heating mode, and when the temperature of described second temperature measuring equipment detection is less than preset temperature, opens for controlling described secondary heater, described second control valve is not exclusively opened, described primary heater is closed and described first control valve is opened completely.
12. according to the air-conditioner described in claim 7, it is characterized in that, described controller is when described air-conditioner is in heating mode, and when the described temperature of the first temperature measuring equipment detection and the temperature of described second temperature measuring equipment are all less than preset temperature, control that described primary heater is opened, described first control valve is not exclusively opened, described secondary heater is closed and described second control valve is opened completely, or control that described secondary heater is opened, described second control valve is not exclusively opened, described primary heater is closed and described first control valve is opened completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420826619.3U CN204421439U (en) | 2014-12-19 | 2014-12-19 | Air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420826619.3U CN204421439U (en) | 2014-12-19 | 2014-12-19 | Air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204421439U true CN204421439U (en) | 2015-06-24 |
Family
ID=53471800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420826619.3U Withdrawn - After Issue CN204421439U (en) | 2014-12-19 | 2014-12-19 | Air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204421439U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596000B (en) * | 2014-12-19 | 2017-05-24 | 广东美的制冷设备有限公司 | Air conditioner and control method of air conditioner |
| CN108224837A (en) * | 2017-12-19 | 2018-06-29 | 青岛海尔空调电子有限公司 | Air-conditioner system |
| CN113639407A (en) * | 2021-07-26 | 2021-11-12 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN113639414A (en) * | 2021-07-26 | 2021-11-12 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
-
2014
- 2014-12-19 CN CN201420826619.3U patent/CN204421439U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596000B (en) * | 2014-12-19 | 2017-05-24 | 广东美的制冷设备有限公司 | Air conditioner and control method of air conditioner |
| CN108224837A (en) * | 2017-12-19 | 2018-06-29 | 青岛海尔空调电子有限公司 | Air-conditioner system |
| CN113639407A (en) * | 2021-07-26 | 2021-11-12 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN113639414A (en) * | 2021-07-26 | 2021-11-12 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN113639414B (en) * | 2021-07-26 | 2022-07-15 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
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