CN206310607U - A kind of control system and air-conditioner for improving air-conditioning heating effect - Google Patents

A kind of control system and air-conditioner for improving air-conditioning heating effect Download PDF

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Publication number
CN206310607U
CN206310607U CN201621303926.9U CN201621303926U CN206310607U CN 206310607 U CN206310607 U CN 206310607U CN 201621303926 U CN201621303926 U CN 201621303926U CN 206310607 U CN206310607 U CN 206310607U
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Prior art keywords
heat exchanger
air
outdoor
interface
conditioner
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CN201621303926.9U
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牛成珂
谢李高
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Midea Group Co Ltd
Guangdong Midea Refrigeration Equipment Co Ltd
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Abstract

More particularly to a kind of control system and air-conditioner for improving air-conditioning heating effect of the utility model.Control system includes the outdoor supplementary heat exchanger stream where control device, refrigerant bypass flow path and outdoor supplementary heat exchanger, triple valve is connected after refrigerant bypass flow path and outdoor supplementary heat exchanger stream parallel connection, control device is used to control triple valve to complete the cyclic process of air-conditioner using refrigerant bypass flow path or outdoor supplementary heat exchanger stream according to air conditioning operating mode.The utility model is in air-conditioning heating, the cyclic process of air-conditioner is completed using outdoor supplementary heat exchanger stream, further cooling supercooling is carried out to refrigerant using the outdoor environment of lower temperature, improve degree of supercooling, so as to improve overall heating effect and heating efficiency, and the cyclic process of air-conditioner is completed using refrigerant bypass flow path in air conditioner refrigerating, it is ensured that and refrigeration, so as to improve user experience while energy-saving.

Description

A kind of control system and air-conditioner for improving air-conditioning heating effect
Technical field
The utility model is related to airconditioning control field, more particularly to a kind of control system for improving air-conditioning heating effect And air-conditioner.
Background technology
The one's work of air-conditioning is refrigeration, and the air-conditioning heating reversely realized according to refrigeration principle and using four-way valve is imitated Really.When air-conditioning is when heating in winter, indoor heat exchanger is in high pressure, and outdoor heat exchanger is in low pressure, the refrigerant of HTHP After heat exchanger heat exchange indoors, throttle into low-pressure gas-liquid two-phase via choke valve and enter outdoor heat exchanger, from outdoor environment Heat is absorbed to be evaporated.Although the air-conditioning system of prior art can be heated, the initial design of air-conditioning is with work of freezing Condition is designed for standard, and folding determines that the overall refrigeration performance of air-conditioner is better than heating performance.Particularly outdoor temp When spending relatively low, the heating performance of air-conditioner can further decline, if frosting is serious, in addition it is also necessary to timing defrost, even more seriously Have impact on heating performance.Analyzed from refrigeration principle, condensation effect is better in heat exchanger indoors for the refrigerant of HTHP, Degree of supercooling is bigger, and evaporation effect when entering outdoor heat exchanger after its throttling is better, is more conducive to heating.To reach the mesh , the conventional method of prior art has following several:Increase indoor heat exchanger, the indoor air quantity of increase or increase outdoor heat exchange Device, but there is the substantially drawback such as increase cost and the bad control of noise in this several method.
Utility model content
The utility model provides a kind of control system and air-conditioner for improving air-conditioning heating effect, solves the above Described technical problem.
The technical scheme that the utility model solves above-mentioned technical problem is as follows:
According to one side of the present utility model, there is provided a kind of control system for improving air-conditioning heating effect, bag Include and the refrigerant flow for constituting be sequentially communicated by compressor, indoor heat exchanger, electronic throttle part, outdoor heat exchanger and four-way valve, Triple valve, outdoor supplementary heat exchanger stream and refrigerant bypass stream are provided between the indoor heat exchanger and electronic throttle part Road, outdoor supplementary heat exchanger is provided with the outdoor supplementary heat exchanger stream;The outdoor supplementary heat exchanger stream and the system Triple valve is connected after the parallel connection of cryogen bypass flow path, the triple valve connects control device, and the control device is used for according to air-conditioning Operational mode controls the triple valve, so that refrigerant flow direction refrigerant bypass flow path or outdoor supplementary heat exchanger stream complete empty Adjust the cyclic process of device.
The beneficial effects of the utility model are:Using control system of the present utility model, in air conditioner refrigerating, refrigerant is not Outdoor supplementary heat exchanger can be flowed through, therefore ensure that the refrigeration of air-conditioning.And in air-conditioning heating, cooled down through indoor heat exchanger Refrigerant after supercooling first flows through the outdoor supplementary heat exchanger, using outside lower temperature outdoor environment to refrigeration Agent carries out further cooling supercooling, outdoor unit heat exchanger heat absorption evaporation is entered back into after improving degree of supercooling, so as to improve overall heating Effect and heating efficiency, improve user experience while energy-saving.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement.
Further, the triple valve includes first interface A, second interface B and the 3rd interface C, the first interface A connections Electronic throttle part, the outdoor supplementary heat exchanger of second interface B connections, the 3rd interface C connection refrigerant bypass flow paths one end; The control device is used for when air conditioning operating mode is heating mode, and control first interface A is connected with second interface B, is used The outdoor supplementary heat exchanger stream completes the cyclic process of air-conditioner;Or when air conditioning operating mode is refrigeration mode, control First interface A processed and the 3rd interface C is connected, and the cyclic process of air-conditioner is completed using refrigerant bypass flow path.
Further, the outdoor supplementary heat exchanger be disposed in the outdoor heat exchanger outside or the outdoor heat exchanger it is interior Portion.
Further, the outdoor supplementary heat exchanger is copper pipe type heat exchanger or finned heat exchanger.
Further, the electronic throttle part is capillary, electric expansion valve or heating power expansion valve.
According to another aspect of the present utility model, a kind of air-conditioner is additionally provided, including it is described for improving air-conditioning system The control system of thermal effect.
The advantage of the additional aspect of the utility model will be set forth in part in the description, partly by from following description In become obvious, or by the utility model put into practice recognize.
Brief description of the drawings
A kind of structural representation of the control system of raising air-conditioning heating effect that Fig. 1 is provided for the utility model embodiment Figure;
The structural representation of the air-conditioner that Fig. 2 is provided for the utility model embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is a part of embodiment of the present utility model, rather than whole implementations Example.Based on the embodiment in the utility model, those of ordinary skill in the art institute on the premise of creative work is not made The every other embodiment for obtaining, should all belong to the scope of the utility model protection.
A kind of structural representation of the control system of raising air-conditioning heating effect that Fig. 1 is provided for the utility model embodiment Figure, as shown in figure 1, including by compressor 2, indoor heat exchanger 3, electronic throttle part 5, outdoor heat exchanger 6 and four-way valve 7 successively The refrigerant flow for constituting is connected, triple valve 9, outdoor auxiliary heat-exchanging are provided between the indoor heat exchanger 3 and electronic throttle part 5 Device stream 8 and refrigerant bypass flow path 1, outdoor supplementary heat exchanger 4 is provided with the outdoor supplementary heat exchanger stream 8;The room The triple valve 9 is connected after outer supplementary heat exchanger stream 8 and the refrigerant bypass flow path 1 parallel connection.In the present embodiment, described three Port valve 9 includes first interface A, second interface B and the 3rd interface C, first interface A connection electronic throttle part 5, described the The outdoor supplementary heat exchanger 4 of two interface B connections, the one end of the 3rd interface C connection refrigerants bypass flow path 1.The connection control of the triple valve 9 Device processed, the control device is used to control the triple valve 9 according to air conditioning operating mode, so that by refrigerant flow direction refrigerant Through-flow road 1 or outdoor supplementary heat exchanger stream 8 complete the cyclic process of air-conditioner.Specifically, when air conditioning operating mode is to heat During pattern, the first interface A of control device control triple valve is connected with second interface B, using the outdoor supplementary heat exchanger stream Road 8 completes the cyclic process of air-conditioner;Or when air conditioning operating mode is refrigeration mode, control first interface A and the 3rd connects Mouth C connections, the cyclic process of air-conditioner is completed using refrigerant bypass flow path 1.In the present embodiment, only with one triple valve of setting The switching of refrigerant bypass flow path and outdoor supplementary heat exchanger stream is capable of achieving, under default conditions, i.e. air-conditioning heating pattern, is adopted With first interface A and second interface B connected states, the cyclic process of air-conditioner is completed using outdoor supplementary heat exchanger stream 8, led to Cross outdoor supplementary heat exchanger 4 and improve degree of supercooling so as to improve heating effect and heating efficiency.When air conditioner refrigerating, on triple valve Electricity so that first interface A and the 3rd interface the C connection of triple valve, the high temperature and high pressure gas discharged in compressor of air conditioner enter to enter the room External heat exchanger cooling condensation, refrigerant is in condensation process is cooled down, and pressure is constant, temperature reduction, is converted by high temperature and high pressure gas Cryogenic high pressure liquid, then directly got in through refrigerant bypass flow path 1 after being converted into Low temperature low pressure liquid through throttling arrangement and change Hot device evaporates and returns to compressor, completes the cyclic process of air-conditioner, and now refrigerant will not enter in outdoor supplementary heat exchanger Row circulation, so as to ensure that refrigeration.And in air-conditioning heating, flowed first through the refrigerant after indoor heat exchanger cooling supercooling Through the outdoor supplementary heat exchanger, refrigerant is carried out using the outdoor environment of the lower temperature of outside further cooled Cold, general air-conditioner, by after indoor heat exchange, outlet temperature probably at 30 degree or so, and by the outdoor of the present embodiment After supplementary heat exchanger, temperature can be further decreased to 25 degree, even lower, then enter back into outdoor unit heat exchanger heat absorption and steam Hair, so as to improve overall heating effect and heating efficiency, improves user experience while energy-saving.Especially in Low frequency phase, lifting effect becomes apparent, it is adaptable to heats and requires area higher and country.
Alternatively, as one embodiment of the present utility model, the outdoor supplementary heat exchanger 4 is disposed in the outdoor heat exchanger 6 outside or the inside of the outdoor heat exchanger 6.The set-up mode of supplementary heat exchanger is various outside the present embodiment room, and no matter The outside of heat exchanger 6 or the inside of the outdoor heat exchanger 6 are disposed in the outdoor, are capable of achieving by outdoor supplementary heat exchanger 4 Improve the effect of degree of supercooling.
Alternatively, as one embodiment of the present utility model, the outdoor supplementary heat exchanger 4 be copper pipe type heat exchanger or Finned heat exchanger.In the present embodiment, the outdoor supplementary heat exchanger can have fin can also not need fin only with Copper pipe, finned heat exchanger heat exchange efficiency is high and strong adaptability, and copper pipe type heat exchanger structure is simple, cost opposite fins formula is changed Hot device is relatively low and easy cleaning, therefore can be selected according to the use environment of air-conditioning and other situations.Certain this practicality New outdoor supplementary heat exchanger is not limited solely to finned heat exchanger or copper pipe type heat exchanger, and other can be realized and room The heat exchanger that outer temperature is exchanged heat is within protection domain of the present utility model.
Alternatively, as one embodiment of the present utility model, the electronic throttle part 5 is capillary, electronic expansion Valve or heating power expansion valve.Capillary or electric expansion valve or heating power expansion valve have good throttling action, wherein, electronics The aperture of expansion valve and heating power expansion valve can be as needed degree of supercooling control, and the low production cost of capillary, assembling are simple It is convenient.It should be understood that electronic throttle part of the present utility model is not limited solely to capillary, electric expansion valve or thermal expansion Valve, other can realize the throttle part of throttling within protection domain of the present utility model.
Above in association with Fig. 1, the control system of the raising air-conditioning heating effect according to the utility model embodiment is described in detail System.The utility model also provides a kind of air-conditioner, as shown in Fig. 2 being the structural representation of air-conditioner, the air-conditioner includes institute State the control system for improving air-conditioning heating effect.
In description of the present utility model, it is to be understood that term " first ", " second " are only used for describing purpose, and It is not intended that indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define At least one this feature can be expressed or be implicitly included to the feature of " first ", " second ".In description of the present utility model, " multiple " is meant that at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be with Combined in an appropriate manner in any one or more embodiments or example.Additionally, in the case of not conflicting, this area Technical staff the feature of the different embodiments or example described in this specification and different embodiment or example can be entered Row is combined and combined.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all in this practicality Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model Within the scope of shield.

Claims (6)

1. a kind of control system for improving air-conditioning heating effect, including by compressor (2), indoor heat exchanger (3), electronics section Stream unit (5), outdoor heat exchanger (6) and four-way valve (7) are sequentially communicated the refrigerant flow of composition, it is characterised in that the interior Triple valve (9), outdoor supplementary heat exchanger stream (8) and refrigerant bypass are provided between heat exchanger (3) and electronic throttle part (5) Stream (1), outdoor supplementary heat exchanger (4) is provided with the outdoor supplementary heat exchanger stream (8);The outdoor supplementary heat exchanger stream Triple valve (9) is connected after road (8) and the refrigerant bypass flow path (1) parallel connection, the triple valve (9) connects control device, institute Control device is stated for controlling the triple valve (9) according to air conditioning operating mode, so that refrigerant flow direction refrigerant bypass flow path Or outdoor supplementary heat exchanger stream (8) completes the cyclic process of air-conditioner (1).
2. the control system for improving air-conditioning heating effect according to claim 1, it is characterised in that the triple valve (9) including first interface A, second interface B and the 3rd interface C, the first interface A connects electronic throttle part (5), and described the The outdoor supplementary heat exchanger (4) of two interface B connections, the 3rd interface C connections refrigerant bypass flow path (1) one end;The control device For when air conditioning operating mode is heating mode, control first interface A to be connected with second interface B, using the outdoor auxiliary Heat exchanger flow circuit (8) completes the cyclic process of air-conditioner;Or when air conditioning operating mode is refrigeration mode, control first interface A and the 3rd interface C is connected, and the cyclic process of air-conditioner is completed using refrigerant bypass flow path (1).
3. the control system for improving air-conditioning heating effect according to claim 1 and 2, it is characterised in that the room Outer supplementary heat exchanger (4) is disposed in the outdoor the outside of heat exchanger (6) or the inside of the outdoor heat exchanger (6).
4. the control system for improving air-conditioning heating effect according to claim 3, it is characterised in that the outdoor is auxiliary It is copper pipe type heat exchanger or finned heat exchanger to help heat exchanger (4).
5. the control system for improving air-conditioning heating effect according to claim 4, it is characterised in that the electronics section Stream unit (5) is capillary, electric expansion valve or heating power expansion valve.
6. a kind of air-conditioner, it is characterised in that any described for improving air-conditioning heating effect including Claims 1 to 5 Control system.
CN201621303926.9U 2016-11-30 2016-11-30 A kind of control system and air-conditioner for improving air-conditioning heating effect Active CN206310607U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621303926.9U CN206310607U (en) 2016-11-30 2016-11-30 A kind of control system and air-conditioner for improving air-conditioning heating effect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621303926.9U CN206310607U (en) 2016-11-30 2016-11-30 A kind of control system and air-conditioner for improving air-conditioning heating effect

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CN206310607U true CN206310607U (en) 2017-07-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019128517A1 (en) * 2017-12-29 2019-07-04 青岛海尔空调器有限总公司 Air-conditioner system
CN113218035A (en) * 2021-05-14 2021-08-06 宁波奥克斯电气股份有限公司 Control method for multi-split oil return noise reduction, storage medium and multi-split air conditioner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019128517A1 (en) * 2017-12-29 2019-07-04 青岛海尔空调器有限总公司 Air-conditioner system
CN113218035A (en) * 2021-05-14 2021-08-06 宁波奥克斯电气股份有限公司 Control method for multi-split oil return noise reduction, storage medium and multi-split air conditioner
CN113218035B (en) * 2021-05-14 2022-04-22 宁波奥克斯电气股份有限公司 Control method for multi-split oil return noise reduction, storage medium and multi-split air conditioner

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