CN204943956U - A kind of efficient cold and warm type air-conditioning system - Google Patents

A kind of efficient cold and warm type air-conditioning system Download PDF

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Publication number
CN204943956U
CN204943956U CN201520495235.2U CN201520495235U CN204943956U CN 204943956 U CN204943956 U CN 204943956U CN 201520495235 U CN201520495235 U CN 201520495235U CN 204943956 U CN204943956 U CN 204943956U
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China
Prior art keywords
pipeline
heat exchanger
conditioning system
cold
outdoor heat
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Expired - Fee Related
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CN201520495235.2U
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Chinese (zh)
Inventor
靳晓钒
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Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
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Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
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Abstract

The utility model relates to air-conditioning equipment field, particularly relates to a kind of efficient cold and warm type air-conditioning system.Comprise cross valve, outdoor heat exchanger, indoor heat exchanger, compressor, gas-liquid separator, four valve ports of cross valve respectively with outdoor heat exchanger, indoor heat exchanger, compressor, gas-liquid separator connects, compressor is connected with gas-liquid separator, outdoor heat exchanger and indoor heat exchanger are by the first pipeline communication, outdoor heat exchanger outside is provided with second pipe and the 3rd pipeline, second pipe and the 3rd pipeline all with the first pipeline communication, be provided with heat exchange stream in outdoor heat exchanger and cross cold flow road, heat exchange stream and the 3rd pipeline communication, cross cold flow road to be communicated with second pipe, second pipe is provided with throttle control device, 3rd pipeline is provided with volume control device.Beneficial effect is: improve efficiency when air-conditioning system is run by arranging throttle control device and volume control device, improving service ability, refrigerant uniform distribution when air-conditioning heating is run.

Description

A kind of efficient cold and warm type air-conditioning system
Technical field
The utility model relates to air-conditioning equipment field, particularly relates to a kind of efficient cold and warm type air-conditioning system.
Background technology
For refrigerated air-conditioning system, during refrigerating operaton, by designing independent cold flow road excessively in condenser stream, the appropriateness cold-producing medium degree of supercooling increased after condenser is conducive to the lifting of refrigerating capacity, efficiency.But the design of crossing cold flow road is when heating operation, the evaporation process heat exchanger pressure loss can be caused excessive, and then the heating capacity of unit and efficiency are diminished.And for the heating and air conditioner product that north America region uses, the requirement of its refrigeration, the ability heated and efficiency is higher.And existing air-conditioning system is difficult to the demand meeting people.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of efficient cold and warm type air-conditioning system, overcomes air-conditioning refrigerant when low-temperature heating runs and distributes the defect uneven, air conditioner refrigerating operational energy efficiency is low, service ability is poor.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of efficient cold and warm type air-conditioning system, comprise cross valve, outdoor heat exchanger, indoor heat exchanger, compressor, gas-liquid separator, four valve ports of described cross valve respectively with described outdoor heat exchanger, described indoor heat exchanger, the gas outlet of described compressor, the entrance of described gas-liquid separator connects, the air entry of described compressor is connected with the outlet of described gas-liquid separator, described outdoor heat exchanger and described indoor heat exchanger are by the first pipeline communication, described outdoor heat exchanger outside is provided with second pipe and the 3rd pipeline, described second pipe and described 3rd pipeline all with described first pipeline communication, be provided with heat exchange stream in described outdoor heat exchanger and cross cold flow road, described heat exchange stream and described 3rd pipeline communication, described cold flow road of crossing is communicated with described second pipe, described second pipe is provided with throttle control device, described 3rd pipeline is provided with volume control device.
The beneficial effects of the utility model are: anatomical connectivity is simply compact, arrange rationally, efficiency when air-conditioning system is run is improve by arranging throttle control device and volume control device, improve service ability, refrigerant uniform distribution when air-conditioning heating is run, outdoor heat exchanger arranges independently heat exchange stream and excessively cold flow road, is conducive to the unit efficiency improving air-conditioning system.
On the basis of technique scheme, the utility model can also do following improvement.
Further, the described heat exchange stream in described outdoor heat exchanger is connected with the valve port of described cross valve.
Further, described 3rd pipeline is provided with coolant distributor near one end of described heat exchange stream, and described coolant distributor is connected with described heat exchange stream by many pipelines.
The beneficial effect of above-mentioned further scheme is adopted to be: collected by coolant distributor and enter heat exchange stream, operational efficiency is high.
Further, described 3rd pipeline and described cold flow road of crossing are by the 4th pipeline communication.
Further, one end of described 4th pipeline is connected with described cold flow road of crossing, the other end of described 4th pipeline be connected with described 3rd pipeline and junction between described coolant distributor and described volume control device.
Adopt the beneficial effect of above-mentioned further scheme to be: the 3rd pipeline with cross cold flow road and be connected, be conducive in running, regulate refrigerant according to demand circulation and unit operation ability.
Further, described throttle control device is one-way flow valve or magnetic valve.
Further, the circulating direction of described one-way flow valve is for flow to described outdoor heat exchanger by described indoor heat exchanger.
The beneficial effect of above-mentioned further scheme is adopted to be: weakening cold flow road at heating operation by throttle control device is the pressure loss produced, and promotes air-conditioning system unit heating capacity.
Further, described volume control device is any one in throttle capillary tube or electric expansion valve or throttling valve core.
Adopt the beneficial effect of above-mentioned further scheme to be: by the bias current of volume control device auxiliary adjustment air-conditioning system unit cold-producing medium when low-temperature heating runs, promote ability, efficiency when unit low-temperature heating runs, fast easy to adjust.
Further, described first pipeline is provided with throttling arrangement.
Further, described throttling arrangement is any one in spool or capillary or heating power expansion valve or electric expansion valve.
The beneficial effect of above-mentioned further scheme is adopted to be: to realize flow control by throttling arrangement, simply easy to operate, be conducive to the stable operation of air-conditioning system, improve the service ability of air-conditioning system.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of efficient cold and warm type air-conditioning system of the utility model.
In accompanying drawing, the list of parts representated by each label is as follows:
1, indoor heat exchanger, 2, cross valve, 3, gas-liquid separator, 4, compressor, 5, throttling arrangement, 6, outdoor heat exchanger, 7, throttle control device, 8, coolant distributor, 9, volume control device, 10, the first pipeline, 11, second pipe, the 12, the 3rd pipeline, the 13, the 4th pipeline, 601, heat exchange stream, 602, excessively cold flow road.
Detailed description of the invention
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, a kind of efficient cold and warm type air-conditioning system of the utility model comprises cross valve 2, outdoor heat exchanger 6, indoor heat exchanger 1, compressor 4, gas-liquid separator 3, four valve ports of described cross valve 2 are connected with the gas outlet of described outdoor heat exchanger 6, described indoor heat exchanger 1, described compressor 4, the entrance of described gas-liquid separator 3 respectively, realize cold-producing medium between outdoor heat exchanger 6, indoor heat exchanger 1, compressor 4, gas-liquid separator 3, carry conversion circulation by cross valve 2.The air entry of described compressor 4 is connected with the outlet of described gas-liquid separator 3, and cold-producing medium is entered in compressor 4 by gas-liquid separator 3.
As shown in Figure 1, described outdoor heat exchanger 6 is communicated with by the first pipeline 10 with described indoor heat exchanger 1, the outside of described outdoor heat exchanger 6 is provided with second pipe 11 and the 3rd pipeline 12, and described second pipe 11 is all communicated with described first pipeline 10 with described 3rd pipeline 12.Be provided with heat exchange stream 601 in described outdoor heat exchanger 6 and cross cold flow road 602, the heat exchange stream 601 in outdoor heat exchanger 6 is connected with the valve port of cross valve 2.Described heat exchange stream 601 is communicated with described 3rd pipeline 12, carries out condensation of refrigerant heat exchange by heat exchange stream 601, and described cold flow road 602 of crossing is communicated with described second pipe 11, carries out cold-producing medium excessively cold by mistake cold flow road 602.Described 3rd pipeline 12 is connected by the 4th pipeline 13 with described cold flow road 602 of crossing, one end of described 4th pipeline 13 is communicated with described cold flow road 602 of crossing, the other end of described 4th pipeline 13 be connected with described 3rd pipeline 12 and junction between described coolant distributor 8 and described volume control device 9, the pressure that the 4th pipeline 13 is conducive to the circulation of cold-producing medium and air-conditioning system is set and regulates.When heating operation, cold-producing medium divides two parts to circulate, and wherein a part flows in second pipe 11 by the first pipeline 10, and another part flows into the 3rd pipeline 12 by the first pipeline 10.When refrigerating operaton, cold-producing medium flows into the 4th pipeline 13 by the 3rd pipeline 12, then flows in second pipe 11 by the 4th pipeline 13, finally flows into the first pipeline 10 by second pipe 11.Described 3rd pipeline 12 is provided with coolant distributor 8 near one end of described heat exchange stream 601, described coolant distributor 8 is connected with described heat exchange stream 601 by many pipelines, and cold-producing medium enters outdoor heat exchanger 6 heat exchange stream 601 after being collected by coolant distributor 8 after flowing to the 3rd pipeline 12 by the first pipeline 10 carries out condensing heat-exchange.
In certain embodiments, a valve port of described cross valve 2 is communicated with by multiple branch road with the heat exchange stream 601 in described outdoor heat exchanger 6 the utility model.
As shown in Figure 1, described second pipe 11 is provided with throttle control device 7, and described 3rd pipeline 12 is provided with volume control device 9.Described throttle control device 7 is the one in one-way flow valve or magnetic valve, and throttle control device 7 can also adopt other can the Electronic control valve body opening or close.The circulating direction of described one-way flow valve for flow to described outdoor heat exchanger 6 by described indoor heat exchanger 1, to ensure the flow direction of cold-producing medium.Described volume control device 9 is any one in throttle capillary tube or electric expansion valve or throttling valve core, and volume control device 9 also can adopt other can regulate the device of cold medium flux.Described first pipeline 10 is provided with throttling arrangement 5, described throttling arrangement 5 can be any one in spool or capillary or heating power expansion valve or electric expansion valve, throttling arrangement 5 of the present utility model preferably adopts spool, adopts throttling arrangement 5 to realize the reducing pressure by regulating flow of cold-producing medium.
The course of work of a kind of efficient cold and warm type air-conditioning system of the utility model is: when refrigerating operaton, cold-producing medium becomes high temperature and high pressure gas after being compressed by compressor 4, and the heat exchange stream 601 entering into outdoor heat exchanger 6 by cross valve 2 carries out condensing heat-exchange, cold-producing medium after condensing heat-exchange is collected by coolant distributor 8 and enters into the 3rd pipeline 12, cold-producing medium flows into the 4th pipeline 13 by the 3rd pipeline 12 again, entering cold flow road 602 by the 4th pipeline 13 carried out cold, cold-producing medium after excessively cold is more successively through throttle control device 7, and first throttling arrangement 5 on pipeline 10 carry out reducing pressure by regulating flow, cross valve 2 is got back to after entering indoor heat exchanger 1 evaporation endothermic by the cold-producing medium of reducing pressure by regulating flow, gas-liquid separator 3 is entered by the entrance of gas-liquid separator 3 after cross valve 2, the last air entry being entered compressor 4 again by the outlet of gas-liquid separator 3, complete kind of refrigeration cycle.When heating operation, cold-producing medium becomes high temperature and high pressure gas after being compressed by compressor 4, and enter into indoor heat exchanger 1 after being commutated by cross valve 2 and carry out condensing heat-exchange, the throttling arrangement 5 that the cold-producing medium flowing through indoor heat exchanger 1 enters on the first pipeline 10 carries out reducing pressure by regulating flow, cold-producing medium after reducing pressure by regulating flow is divided into two parts inflow outdoor heat exchanger 6 and carries out evaporation endothermic, evaporation endothermic is carried out on the cold flow road 602 of crossing that wherein part of refrigerant enters outdoor heat exchanger 6 by the throttle control device 7 on second pipe 11, another part cold-producing medium is by entering coolant distributor 8 after the volume control device 9 on the 3rd pipeline 12, the heat exchange stream 601 being transported to outdoor heat exchanger 6 by coolant distributor 8 carries out evaporation endothermic, all cold-producing mediums enter gas-liquid separator 3 by the entrance of gas-liquid separator 3 after flowing into after outdoor heat exchanger 6 and commutating in cross valve 2, finally the outlet of gas-liquid separator 3 is had to enter the air entry of compressor 4 again, complete and heat circulation.
The utility model realizes weakening by volume control device 9 pressure loss that cold flow road 602 produces when heating operation, promotes unit heating capacity and efficiency.By the cold-producing medium bias current problem of throttle control device 7 auxiliary adjustment unit when low-temperature heating runs, promote the ability of unit when low-temperature heating runs and efficiency.By arrange volume control device 9 and throttle control device 7 jointly with the use of, ensure that the cold effect of mistake on outdoor heat exchanger 6 mistake cold flow road 602 during refrigerating operaton on the one hand, cross cold flow when on the other hand also eliminating heating operation to flow the pressure loss produced to system refrigerant, cold-producing medium is made to realize uniform distribution in outdoor heat exchanger 6, reach the efficiency utilization of outdoor heat exchanger 6, thus realize that air-conditioning system is freezed when crew qiting is constant, heating operation all obtains higher ability and efficiency.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.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 utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " 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, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, 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 (10)

1. an efficient cold and warm type air-conditioning system, it is characterized in that, comprise cross valve (2), outdoor heat exchanger (6), indoor heat exchanger (1), compressor (4), gas-liquid separator (3), four valve ports of described cross valve (2) respectively with described outdoor heat exchanger (6), described indoor heat exchanger (1), the gas outlet of described compressor (4), the entrance of described gas-liquid separator (3) connects, the air entry of described compressor (4) is connected with the outlet of described gas-liquid separator (3), described outdoor heat exchanger (6) is communicated with by the first pipeline (10) with described indoor heat exchanger (1), described outdoor heat exchanger (6) outside is provided with second pipe (11) and the 3rd pipeline (12), described second pipe (11) is all communicated with described first pipeline (10) with described 3rd pipeline (12), be provided with heat exchange stream (601) in described outdoor heat exchanger (6) and cross cold flow road (602), described heat exchange stream (601) is communicated with described 3rd pipeline (12), described cold flow road (602) of crossing is communicated with described second pipe (11), described second pipe (11) is provided with throttle control device (7), described 3rd pipeline (12) is provided with volume control device (9).
2. the efficient cold and warm type air-conditioning system of one according to claim 1, is characterized in that, the described heat exchange stream (601) in described outdoor heat exchanger (6) is connected with the valve port of described cross valve (2).
3. the efficient cold and warm type air-conditioning system of one according to claim 1, it is characterized in that, described 3rd pipeline (12) is provided with coolant distributor (8) near one end of described heat exchange stream (601), and described coolant distributor (8) is connected with described heat exchange stream (601) by many pipelines.
4. the efficient cold and warm type air-conditioning system of one according to claim 3, is characterized in that, described 3rd pipeline (12) is communicated with by the 4th pipeline (13) with described cold flow road (602) of crossing.
5. the efficient cold and warm type air-conditioning system of one according to claim 4, it is characterized in that, one end of described 4th pipeline (13) is connected with described cold flow road (602) of crossing, and the other end of described 4th pipeline (13) is connected with described 3rd pipeline (12) and junction is positioned between described coolant distributor (8) and described volume control device (9).
6. the efficient cold and warm type air-conditioning system of one according to claim 1, is characterized in that, described throttle control device (7) is one-way flow valve or magnetic valve.
7. the efficient cold and warm type air-conditioning system of one according to claim 6, is characterized in that, the circulating direction of described one-way flow valve is for flow to described outdoor heat exchanger (6) by described indoor heat exchanger (1).
8. the efficient cold and warm type air-conditioning system of one according to claim 1, is characterized in that, described volume control device (9) is any one in throttle capillary tube or electric expansion valve or throttling valve core.
9. the efficient cold and warm type air-conditioning system of the one according to any one of claim 1 to 8, is characterized in that, described first pipeline (10) is provided with throttling arrangement (5).
10. the efficient cold and warm type air-conditioning system of one according to claim 9, is characterized in that, described throttling arrangement (5) is any one in spool or capillary or heating power expansion valve or electric expansion valve.
CN201520495235.2U 2015-07-09 2015-07-09 A kind of efficient cold and warm type air-conditioning system Expired - Fee Related CN204943956U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106705217A (en) * 2016-11-30 2017-05-24 美的集团股份有限公司 Control method and system used for improving heating effect of air conditioner and air conditioner
CN106766329A (en) * 2016-11-30 2017-05-31 美的集团股份有限公司 A kind of air-conditioning system, its control method and air-conditioner
CN107560213A (en) * 2017-07-27 2018-01-09 广东美的暖通设备有限公司 Air-conditioning system and air-conditioning
CN109654597A (en) * 2019-02-19 2019-04-19 南京天加环境科技有限公司 A kind of air-conditioning system that can adjust heat exchange amount
CN110762642A (en) * 2019-10-09 2020-02-07 青岛海尔空调电子有限公司 Outdoor heat exchanger, air conditioning system and control method thereof
CN115183404A (en) * 2022-07-11 2022-10-14 青岛海尔空调电子有限公司 Air conditioning system and control method thereof
CN115183404B (en) * 2022-07-11 2024-06-07 青岛海尔空调电子有限公司 Control method of air conditioning system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106705217A (en) * 2016-11-30 2017-05-24 美的集团股份有限公司 Control method and system used for improving heating effect of air conditioner and air conditioner
CN106766329A (en) * 2016-11-30 2017-05-31 美的集团股份有限公司 A kind of air-conditioning system, its control method and air-conditioner
CN107560213A (en) * 2017-07-27 2018-01-09 广东美的暖通设备有限公司 Air-conditioning system and air-conditioning
CN109654597A (en) * 2019-02-19 2019-04-19 南京天加环境科技有限公司 A kind of air-conditioning system that can adjust heat exchange amount
CN110762642A (en) * 2019-10-09 2020-02-07 青岛海尔空调电子有限公司 Outdoor heat exchanger, air conditioning system and control method thereof
CN115183404A (en) * 2022-07-11 2022-10-14 青岛海尔空调电子有限公司 Air conditioning system and control method thereof
CN115183404B (en) * 2022-07-11 2024-06-07 青岛海尔空调电子有限公司 Control method of air conditioning system

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Granted publication date: 20160106

Termination date: 20200709