CN105258410A - Air conditioner and method for improving refrigerating capacity of air conditioner under high-temperature environment - Google Patents
Air conditioner and method for improving refrigerating capacity of air conditioner under high-temperature environment Download PDFInfo
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- CN105258410A CN105258410A CN201510701786.4A CN201510701786A CN105258410A CN 105258410 A CN105258410 A CN 105258410A CN 201510701786 A CN201510701786 A CN 201510701786A CN 105258410 A CN105258410 A CN 105258410A
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Abstract
The invention relates to an air conditioner and a method for improving the refrigerating capacity of the air conditioner under a high-temperature environment. The outlet of a condenser in the air conditioner is connected with one end of a capillary pipe through a first pipeline. The other end of the capillary pipe is connected with the inlet of an evaporator through a pipeline. The outlet of the evaporator is connected with the input of a compressor through a pipeline. The outlet of the compressor is connected with the input of the condenser through a pipeline. The air conditioner further comprises a liquid storage tank. The inlet of the liquid storage tank is communicated with the input end of a first pipeline through a second pipeline. A first electromagnetic valve is arranged on the second pipeline. The outlet of the liquid storage tank is communicated with the output end of the first pipeline through a third pipeline. A second electromagnetic valve is arranged on the third pipeline. When the air conditioner conducts refrigeration at a high temperature, the pressure of the high-pressure side of a system is controlled within the pressure range allowed by the compressor, and therefore the refrigerating capacity of the air conditioner system can be given into play in the optimal state, and the refrigerating capacity of the air conditioner under the high-temperature environment can be improved.
Description
Technical field
The present invention relates to air-conditioning technical field, a kind of method of refrigerating capacity under particularly relating to air-conditioner and improving air-conditioner hot environment.
Background technology
The air-conditioner worked in high temperature environments, the delivery temperature of compressor can raise along with the rising of outdoor environment temperature, thus makes that pressure at expulsion increases, the refrigerating efficiency of air-conditioner reduces greatly.Along with global energy-conserving and environment-protective consciousness strengthens gradually, increasing T3 (ambient temperature range of T3 type is 21-52 DEG C) operating mode area and country propose more high energy efficiency requirement to air-conditioning products, require to meet T1 (ambient temperature range of T1 type is 18-43 DEG C) and T3 efficiency simultaneously, and (R410A is a kind of novel environment-friendly refrigerant to switch to R410a, do not damage the ozone layer, operating pressure is about 1.6 times of common R22 air-conditioning) new cooling media, when the time comes, the system of ultrahigh energy efficiency and hyperpressure, is undoubtedly huge challenge concerning air-conditioning manufacturing enterprise.
Summary of the invention
It is simple that technical problem to be solved by this invention is to provide a kind of structure, air-conditioner stable in high temperature environments and the method for refrigerating capacity under improving air-conditioner hot environment.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of air-conditioner, comprise condenser, compressor, evaporimeter and capillary, the delivery outlet of described condenser is connected with one end of described capillary by the first pipeline, the other end of described capillary is connected by the input port of pipeline with described evaporimeter, the delivery outlet of described evaporimeter is connected by the input port of pipeline with described compressor, the delivery outlet of described compressor is connected by the input port of pipeline with described condenser, also comprise fluid reservoir, one end that described first pipeline connects described condenser is the first pipeline input, one end that described first pipeline connects described capillary is the first pipeline output, the input port of described fluid reservoir is by second pipe and described first pipeline communication, the junction of described second pipe and described first pipeline is near described first pipeline input, described second pipe is provided with the first magnetic valve, the delivery outlet of described fluid reservoir is by the 3rd pipeline and described first pipeline communication, the junction of described 3rd pipeline and even number first pipeline is near described first pipeline output, described 3rd pipeline is provided with the second magnetic valve.
The invention has the beneficial effects as follows: the present invention arranges fluid reservoir between condenser and capillary, fluid reservoir is communicated with the first pipeline input by second pipe, be communicated with the first pipeline output by the 3rd pipeline, and on second pipe and the 3rd pipeline, the first magnetic valve and the second magnetic valve are set respectively, when being in high-temperature refrigeration, by opening the first magnetic valve, close the second magnetic valve, the condensing agent flowing through the first pipeline is made to flow in fluid reservoir, the operating pressure of minimizing system, system high side pressure is controlled in the pressure limit of compressor permission, make the state of refrigerating capacity performance in the best of air-conditioning system, improve the refrigerating capacity under air-conditioner hot environment.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described controller is connected with described first magnetic valve and described second electromagnetic valve circuit respectively, and described controller controls the opening and closing controlling described first magnetic valve and described second magnetic valve respectively.
The beneficial effect of above-mentioned further scheme is adopted to be: to rotate control first magnetic valve and the second magnetic valve by controller, the integrated automation of implement device.
Further, described first pipeline is provided with choke valve, and described choke valve is located between described first pipeline input and described first pipeline output.
Further, described choke valve is connected with described controller circuitry, and described controller controls the unlatching size of described choke valve.
Adopting the beneficial effect of above-mentioned further scheme to be: choke valve is set on the first pipeline, when the first magnetic valve is opened, by regulating the unlatching size of choke valve, flow velocity and flow that condensing agent enters fluid reservoir can be controlled.
Further, also comprise the temperature sensor of the indoor temperature for detecting air-conditioning place environment, described temperature sensor is connected with described controller circuitry, and the ambient temperature signal detected is sent to described controller by described temperature sensor.
Adopt the beneficial effect of above-mentioned further scheme to be: temperature sensor the indoor temperature monitoring air-conditioning place environment is in real time set, and the temperature signal of detection is sent to controller, is judged the opening of the first magnetic valve and the second magnetic valve by controller.
Further, described 3rd pipeline is provided with delivery pump, and described delivery pump is connected with described controller circuitry, and described controller controls the opening and closing of described delivery pump.
The beneficial effect of above-mentioned further scheme is adopted to be: arranging of delivery pump can after high outdoor environment temperature running status, and the condensing agent in fluid reservoir is discharged fluid reservoir after opening by the second magnetic valve.
Improve a method for refrigerating capacity under air-conditioner hot environment, the method utilizes above-mentioned air-conditioner to freeze, and comprises the following steps:
The indoor temperature T1 of air-conditioning place environment monitored in real time by temperature sensor, and the temperature signal detected is sent to controller;
The indoor temperature T1 of air-conditioning place environment and the threshold temperature T0 of setting contrasts by described controller, and controls the opening and closing of the first magnetic valve and the second magnetic valve respectively according to comparing result:
When T1 is less than T0, the first closed electromagnetic valve, the second magnetic valve is opened;
When T1 is greater than T0, the first magnetic valve is opened, the second closed electromagnetic valve.
Further, when the indoor temperature T1 of air-conditioning place environment is greater than the threshold temperature T0 of setting, described controller controls the first magnetic valve and opens, control the second closed electromagnetic valve, continue setting-up time t, part refrigerant enters in fluid reservoir, then described first magnetic valve is closed, continue to when temperature sensor detect T1 drop to be less than T0 time, described controller controls described second magnetic valve and opens, and refrigerant is flowed out from described fluid reservoir by the 3rd pipeline.
Further, when the indoor temperature T1 of air-conditioning place environment is greater than the threshold temperature T0 of setting, described controller controls the first magnetic valve and opens, control the second closed electromagnetic valve, and control the unlatching size reducing choke valve, continue setting-up time t, part refrigerant enters in fluid reservoir, then described first magnetic valve is closed, and the unlatching size of choke valve readjustment.
Further, when air-conditioner is in standby and off-mode, described first magnetic valve and described second magnetic valve are in the on off state before standby and shutdown.
The beneficial effect of technique scheme is: the present invention is when the temperature signal that controller receives is higher than setting threshold temperature, open high-temperature refrigeration state, by opening the first magnetic valve, closing the second magnetic valve, the condensing agent flowing through the first pipeline is made to flow in fluid reservoir, the operating pressure of minimizing system, system high side pressure is controlled in the pressure limit of compressor permission, make the refrigerating capacity performance of air-conditioning system in the state of the best, improve the refrigerating capacity under air-conditioner hot environment.
Accompanying drawing explanation
Fig. 1 is air conditioner structure schematic diagram of the present invention;
In accompanying drawing, the list of parts representated by each label is as follows:
1, condenser, 2, compressor, 3, evaporimeter, 4, capillary, the 5, first pipeline, 5-1, the first pipeline input, 5-2, the first pipeline output, 6, fluid reservoir, 7, second pipe, 8, the first magnetic valve, the 9, the 3rd pipeline, the 10, second magnetic valve, 11, controller, 12, choke valve, 13, temperature sensor, 14, delivery pump.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, air-conditioner of the present invention comprises condenser 1, compressor 2, evaporimeter 3 and capillary 4, the delivery outlet of described condenser 1 is connected with one end of described capillary 4 by the first pipeline 5, the other end of described capillary 4 is connected by the input port of pipeline with described evaporimeter 3, the delivery outlet of described evaporimeter 3 is connected by the input port of pipeline with described compressor 2, the delivery outlet of described compressor 2 is connected by the input port of pipeline with described condenser 1, also comprise fluid reservoir 6, one end that described first pipeline 5 connects described condenser 1 is the first pipeline input 5-1, one end that described first pipeline 5 connects described capillary 4 is the first pipeline output 5-2, the input port of described fluid reservoir 6 is communicated with described first pipeline 5 by second pipe 7, the junction of described second pipe 7 and described first pipeline 5 is near described first pipeline input 5-1, described second pipe 7 is provided with the first magnetic valve 8, the delivery outlet of described fluid reservoir 6 is communicated with described first pipeline 5 by the 3rd pipeline 9, described 3rd pipeline 9 depends on described first pipeline output 5-2 with the junction of even number first pipeline 5, described 3rd pipeline 9 is provided with the second magnetic valve 10.
Described controller 11 is connected with described first magnetic valve 8 and described second magnetic valve 10 circuit respectively, and described controller 11 controls the opening and closing controlling described first magnetic valve 8 and described second magnetic valve 10 respectively.Described first pipeline 5 is provided with choke valve 12.Described choke valve 12 is connected with described controller 11 circuit, and described controller 11 controls the unlatching size of described choke valve 12.Also comprise the temperature sensor 13 of the indoor temperature for detecting air-conditioning place environment, described temperature sensor 13 is connected with described controller 11 circuit, and the ambient temperature signal detected is sent to described controller 11 by described temperature sensor 13.Described 3rd pipeline 9 is provided with delivery pump 14, and described delivery pump 14 is connected with described controller 11 circuit, and described controller 11 controls the opening and closing of described delivery pump 14.
Adopt above-mentioned air-conditioner to carry out the method for freezing, comprise the following steps:
The indoor temperature T1 of air-conditioning place environment monitored in real time by temperature sensor 13, and the temperature signal detected is sent to controller 11;
The indoor temperature T1 of air-conditioning place environment and the threshold temperature T0 of setting contrasts by described controller 11, and controls the opening and closing of the first magnetic valve 8 and the second magnetic valve 10 respectively according to comparing result:
When T1 is less than T0, the first magnetic valve 8 cuts out, and the second magnetic valve 10 is opened, and anode normally runs, refrigerant from compressor 2 delivery outlet out after, successively through condenser 1, capillary 4, evaporimeter 3, get back to compressor 2;
When T1 is greater than T0, first magnetic valve 8 is opened, second magnetic valve 10 cuts out, continue setting-up time t, part refrigerant enters in fluid reservoir 6, then closes described first magnetic valve 8, continue to when temperature sensor 13 detect T1 drop to be less than T0 time, described controller 11 controls described second magnetic valve 10 and opens, and refrigerant is flowed out from described fluid reservoir 6 by the 3rd pipeline 9.
When the indoor temperature T1 of air-conditioning place environment is greater than the threshold temperature T0 of setting, described controller 11 controls the first magnetic valve 8 and opens, control the second magnetic valve 10 to close, and control the unlatching size reducing choke valve 12, continue setting-up time t, part refrigerant enters in fluid reservoir 6, then closes described first magnetic valve 8, and the unlatching size of choke valve 12 readjustment.When air-conditioner is in standby and off-mode, described first magnetic valve 8 and described second magnetic valve 10 are in the on off state before standby and shutdown.
The present invention arranges fluid reservoir 6 between condenser 1 and capillary 4, fluid reservoir 6 is communicated with the first pipeline input 5-1 by second pipe 7, be communicated with the first pipeline output 5-2 by the 3rd pipeline 9, and the first magnetic valve 8 and the second magnetic valve 10 is set respectively on second pipe 7 and the 3rd pipeline 9, when being in high-temperature refrigeration, by opening the first magnetic valve 8, close the second magnetic valve 10, the condensing agent flowing through the first pipeline 5 is made to flow in fluid reservoir 6, the operating pressure of minimizing system, system high side pressure is controlled in the pressure limit that allows at compressor 2, make the state of refrigerating capacity performance in the best of air-conditioning system, improve the refrigerating capacity under air-conditioner hot environment.Control first magnetic valve 8 and the second magnetic valve 10 is rotated, the integrated automation of implement device by controller 11.First pipeline 5 arranging choke valve 12, when the first magnetic valve 8 is opened, by regulating the unlatching size of choke valve 12, flow velocity and flow that condensing agent enters fluid reservoir 6 can be controlled.Temperature sensor 13 the indoor temperature monitoring air-conditioning place environment is in real time set, and the temperature signal of detection is sent to controller 11, is judged the opening of the first magnetic valve 8 and the second magnetic valve 10 by controller 11.Arranging of delivery pump 14 can after high outdoor environment temperature running status, and the condensing agent in fluid reservoir 6 is discharged fluid reservoir 6 after opening by the second magnetic valve 10.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an air-conditioner, comprise condenser (1), compressor (2), evaporimeter (3) and capillary (4), the delivery outlet of described condenser (1) is connected with one end of described capillary (4) by the first pipeline (5), the other end of described capillary (4) is connected by the input port of pipeline with described evaporimeter (3), the delivery outlet of described evaporimeter (3) is connected by the input port of pipeline with described compressor (2), the delivery outlet of described compressor (2) is connected by the input port of pipeline with described condenser (1), it is characterized in that, also comprise fluid reservoir (6), one end that described first pipeline (5) connects described condenser (1) is the first pipeline input (5-1), one end that described first pipeline (5) connects described capillary (4) is the first pipeline output (5-2), the input port of described fluid reservoir (6) is communicated with described first pipeline (5) by second pipe (7), the junction of described second pipe (7) and described first pipeline (5) is near described first pipeline input (5-1), described second pipe (7) is provided with the first magnetic valve (8), the delivery outlet of described fluid reservoir (6) is communicated with described first pipeline (5) by the 3rd pipeline (9), the junction of described 3rd pipeline (9) and even number first pipeline (5) is near described first pipeline output (5-2), described 3rd pipeline (9) is provided with the second magnetic valve (10).
2. a kind of air-conditioner according to claim 1, it is characterized in that, also comprise controller (11), described controller (11) is connected with described first magnetic valve (8) and described second magnetic valve (10) circuit respectively, and described controller (11) controls the opening and closing controlling described first magnetic valve (8) and described second magnetic valve (10) respectively.
3. a kind of air-conditioner according to claim 2, is characterized in that, described first pipeline (5) is provided with choke valve (12).
4. a kind of air-conditioner according to claim 3, it is characterized in that, described choke valve (12) is connected with described controller (11) circuit, and described controller (11) controls the unlatching size of described choke valve (12).
5. a kind of air-conditioner according to any one of claim 2 to 4, it is characterized in that, also comprise the temperature sensor (13) of the indoor temperature for detecting air-conditioning place environment, described temperature sensor (13) is connected with described controller (11) circuit, and the ambient temperature signal detected is sent to described controller (11) by described temperature sensor (13).
6. a kind of air-conditioner according to any one of Claims 1-4, it is characterized in that, described 3rd pipeline (9) is provided with delivery pump (14), described delivery pump (14) is connected with described controller (11) circuit, and described controller (11) controls the opening and closing of described delivery pump (14).
7. improve a method for refrigerating capacity under air-conditioner hot environment, it is characterized in that, the method utilizes the air-conditioner as described in any one of claim 1 to 6 to freeze, and comprises the following steps:
The indoor temperature T1 of air-conditioning place environment monitored in real time by temperature sensor (13), and the temperature signal detected is sent to controller (11);
The indoor temperature T1 of air-conditioning place environment and the threshold temperature T0 of setting contrasts by described controller (11), and controls the opening and closing of the first magnetic valve (8) and the second magnetic valve (10) respectively according to comparing result:
When T1 is less than T0, the first magnetic valve (8) cuts out, and the second magnetic valve (10) is opened;
When T1 is greater than T0, the first magnetic valve (8) is opened, and the second magnetic valve (10) cuts out.
8. a kind of method improving refrigerating capacity under air-conditioner hot environment according to claim 7, it is characterized in that, when the indoor temperature T1 of air-conditioning place environment is greater than the threshold temperature T0 of setting, described controller (11) controls the first magnetic valve (8) and opens, control the second magnetic valve (10) to close, continue setting-up time t, part refrigerant enters in fluid reservoir (6), then described first magnetic valve (8) is closed, continue to when temperature sensor (13) detect T1 drop to be less than T0 time, described controller (11) controls the unlatching of described second magnetic valve (10), refrigerant is flowed out from described fluid reservoir (6) by the 3rd pipeline (9).
9. a kind of method improving refrigerating capacity under air-conditioner hot environment according to claim 8, it is characterized in that, described first pipeline (5) is provided with choke valve (12), when the indoor temperature T1 of air-conditioning place environment is greater than the threshold temperature T0 of setting, described controller (11) controls the first magnetic valve (8) and opens, control the second magnetic valve (10) to close, and control the unlatching size reducing choke valve (12), continue setting-up time t, part refrigerant enters in fluid reservoir (6), then described first magnetic valve (8) is closed, and the unlatching size of choke valve (12) is adjusted back.
10. a kind of according to any one of claim 7 to 9 improves the method for refrigerating capacity under air-conditioner hot environment, it is characterized in that, when air-conditioner is in standby and off-mode, described first magnetic valve (8) and described second magnetic valve (10) are in the on off state before standby and shutdown.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510701786.4A CN105258410A (en) | 2015-10-22 | 2015-10-22 | Air conditioner and method for improving refrigerating capacity of air conditioner under high-temperature environment |
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| CN201510701786.4A CN105258410A (en) | 2015-10-22 | 2015-10-22 | Air conditioner and method for improving refrigerating capacity of air conditioner under high-temperature environment |
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| CN106642530A (en) * | 2016-10-28 | 2017-05-10 | 广东美的制冷设备有限公司 | Control method and air conditioner |
| CN109059334A (en) * | 2018-07-18 | 2018-12-21 | Tcl空调器(中山)有限公司 | Air conditioner and its control method, control device, readable storage medium storing program for executing |
| CN110762792A (en) * | 2019-10-29 | 2020-02-07 | 青岛海信日立空调***有限公司 | Control method of air conditioner and air conditioner |
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