CN101008533A - Energy storage unit and control method for heat-release mode thereof - Google Patents
Energy storage unit and control method for heat-release mode thereof Download PDFInfo
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- CN101008533A CN101008533A CN 200710026476 CN200710026476A CN101008533A CN 101008533 A CN101008533 A CN 101008533A CN 200710026476 CN200710026476 CN 200710026476 CN 200710026476 A CN200710026476 A CN 200710026476A CN 101008533 A CN101008533 A CN 101008533A
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Abstract
The invention relates to an air conditioner and relative control method, especially relating to an energy-accumulated air-conditioner and a control method at heat release mode. The invention comprises a compressor, a four-way valve, an outdoor heat exchanger, an electric expanding valve, and an indoor machine, while the back end of each branch of indoor machine is arranged with electric expanding valve throttle device, to form the sealed loop; the invention also comprises an energy accumulator which includes an energy accumulating device, a sealed circular tube and four interface points. One end of accumulating device is connected to the gas-liquid separator 12 of outdoor machine, while their connector is the fourth interface point 170, with an electromagnetic valve 166 between, to parallel connect the ice accumulator and the outdoor heat exchanger, in the heat release mode. The invention can improve the evaporate area and improve the evaporating temperature.
Description
Technical field
The present invention relates to a kind of air-conditioning unit and control method thereof, particularly a kind of energy accumulation air conditioner unit and its control method under the heat release pattern.
Background technology
In the area of power shortage, ice-storage system can be realized " load shift "---the refrigeration duty of supply of electric power peak period is transferred to the electric load low-valley interval, improve efficiency of energy utilization, solve electric power peak period supply of electric power problem.Therefore, this technology has been subjected to the support energetically of the electric power policy of user's welcome and power department, develops rapidly at home.The applying date is on April 4th, 2006, application number for 200620057352.1 Chinese patent application just provide a kind of simple in structure, have an Overcold ice cold-storage unit of cold-storage and heat accumulation function simultaneously.Referring to Fig. 1, a kind of ice cold-storage unit, it comprises ice storage unit 61, a closed circulation pipeline and three outer contacts 67,68,69, this closed circulation pipeline is by this ice storage unit 61, one electric expansion valve 62 and three magnetic valves 63,64,65 are arranged on the closed circulation pipeline, electric expansion valve 62 and one of them magnetic valve 65 parallel connection, two other magnetic valve 63,64 parallel connections; Wherein outer contact 67 is positioned at electric expansion valve 62 1 sides, and outer contact 68 is connected to a magnetic valve 66 between magnetic valve 63,64 and the above-mentioned outer contact 68 between magnetic valve 63,64 and ice storage unit 61, and the other end of magnetic valve 66 is outer contact 69.As can be seen, be series relationship between outdoor heat exchanger and the ice storage unit from this unit mechanism map, under the heat release pattern, its disengagement area is less, so evaporating temperature is also lower.
Summary of the invention
Technical problem to be solved by this invention is, a kind of accumulation of energy unit that effectively improves the unit disengagement area under the heat release mode operation, improve unit evaporating temperature and then raising unit heating capacity is provided.
The present invention also provides the control method of a kind of above-mentioned accumulation of energy unit under the heat release pattern.
Technical problem to be solved by this invention is achieved by the following technical solution:
A kind of accumulation of energy unit, it comprises compressor, cross valve, outdoor heat exchanger, an electric expansion valve, indoor units, each indoor set branch road rear end has electronic expansion valve throttling device respectively, each component priority order connects to form loop, in addition, it also comprises a Storage Unit, this Storage Unit comprises energy storage equipment, a closed circulation pipeline and four outer contacts, this closed circulation pipeline is by this energy storage equipment, one electric expansion valve and six magnetic valves are arranged on the closed circulation pipeline, electric expansion valve 162 and magnetic valve 165 parallel connections, magnetic valve 163 is in parallel with 164; The first outer contact 167 is positioned at electric expansion valve one side, and the second outer contact 168 is between magnetic valve and energy storage equipment, and an end of magnetic valve 159 is the 3rd outer contact 169; The first outer contact and the second outer contact are connected between outdoor heat exchanger and the indoor set, and the first outer contact is near outdoor heat exchanger; The 3rd outer contact is connected between cross valve and the indoor set; Wherein, an end of energy storage equipment is connected with the gas-liquid separator 12 of outdoor unit under the heat release pattern, and its contact is contact 170 all round, and there is a magnetic valve 166 centre, makes energy storage equipment in parallel with outdoor heat exchanger.
The control method of above-mentioned accumulation of energy unit heat release pattern, its process is, adjust preceding electric expansion valve of outdoor heat exchanger and the electric expansion valve before the energy storage equipment respectively, make the degree of superheat of outdoor heat exchanger and energy storage equipment reach 1 to 3 degree centigrade respectively, by two electric expansion valve gate control flow distribution of refrigerant; The heat release pattern begins opens solenoid valve 166, closes magnetic valve 166 when the heat release pattern finishes.
The whole heat release process of accumulation of energy unit of the present invention regenerative apparatus is equivalent to the evaporimeter in parallel with outdoor heat exchanger, increased system's disengagement area, improve evaporating temperature, and the refrigerant gas temperature after energy storage equipment evaporation fully is higher, and enters into compressor after the refrigerant mixed after the outdoor evaporation and can effectively improve system's suction temperature and system low-voltage.Promote evaporating temperature and the suction temperature of unit during heat release by flow process control, promote the whole heating capacity of unit, reaching during the heat release can stable operation, the complete machine heating capacity is promoted, reach the best and the widest utilization to accumulation of energy unit, and greatly shorten recovery time limit of this accumulation of energy unit by accumulation of heat and the increase of heat release function, allow the user obtain maximum value.
Description of drawings
Fig. 1 is an ice cold-storage machine set system schematic diagram in the prior art;
Fig. 2 is that the present invention ices cold-storage machine set system schematic diagram;
Fig. 3 is that the present invention ices the simple and easy schematic diagram of cold-storage unit under the heat release pattern.
The specific embodiment
Referring to Fig. 2, a kind of accumulation of energy unit, it comprises compressor 11, cross valve 13, outdoor heat exchanger 14, one electric expansion valve 141, indoor set 17 in parallel, 18, each indoor set branch road rear end has electric expansion valve 171 respectively, 181, each component priority order connects to form loop, in addition, it also comprises a Storage Unit, this Storage Unit comprises energy storage equipment 160, one closed circulation pipeline and four outer contacts 167,168,169,170, this closed circulation pipeline is by this energy storage equipment 160, one electric expansion valve 162 and six magnetic valves 161 are arranged on the closed circulation pipeline, 163,164,165,166 and 159, electric expansion valve 162 and one of them magnetic valve 165 parallel connection, magnetic valve 163,164 parallel connections; Outer contact 167 is positioned at electric expansion valve 162 1 sides, and outer contact 168 is between magnetic valve 163,164 and energy storage equipment 160, and the other end of magnetic valve 159 is outer contact 169; Outer contact 167 and outer contact 168 are connected between outdoor heat exchanger 14 and the indoor set 17,18, and outer contact 167 is near outdoor heat exchanger 14; Outer contact 169 is connected between cross valve 13 and the indoor set 17,18, it is characterized in that an end of energy storage equipment is connected with the gas-liquid separator 12 of outdoor unit under the heat release pattern, there is a magnetic valve 166 centre, behind magnetic valve, also have a check valve, make energy storage equipment in parallel with outdoor heat exchanger.
Referring to Fig. 3, this figure is the simple diagram of the heat release process flow of refrigerant direction of above-mentioned energy storage equipment, has wherein omitted the part parts, introduces the flow process of heat release pattern below in conjunction with Fig. 2 and Fig. 3:
The gases at high pressure that come out from compressor 11 are through indoor set 17,18 heat release condensations are after indoor electronics expansion valve 171, the compacting cryogen is divided into two-way after heating electromagnetic valve 164 through routine in the gas-liquid two-phase after 181 throttlings: part of refrigerant is directly evaporated through outdoor electronic expansion valve 141 back inlet chamber external heat exchangers 14, the refrigerant flow of its inlet chamber external heat exchanger 14 is by outdoor electronic expansion valve 141 controls, its control criterion is to guarantee that the degree of superheat of outdoor heat exchanger 14 is between 1 to 3 degree, be preferably 2 degree, the automatic control and adjustment by expansion valve 141 can guarantee that the cold-producing medium of inlet chamber external heat exchanger 14 evaporates fully; And another part cold-producing medium enters energy storage equipment 160 through electronic expansion valve 162, because water temperature is higher in the energy storage equipment 160, the heat that utilization stores evaporates fully to the cold-producing medium that enters, and the refrigerant gas after the evaporation is got back to compressor 11 through gas-liquid separator 12 after directly introducing four way valve 13.The refrigerant flow size that enters energy storage equipment 160 is by 162 controls of electronic expansion valve, its control criterion for the degree of superheat that guarantees energy storage equipment 160 between 1 to 3 degree, be preferably 2 degree, guarantee that the cold-producing medium that enters energy storage equipment 160 can evaporate fully.As can be seen from Figure 2, this moment, energy storage equipment 160 was equivalent to the evaporimeter in parallel with outdoor heat exchanger 14, be equivalent to increase the unit disengagement area this moment, can effectively improve evaporating temperature, and the cold-producing medium after energy storage equipment 160 evaporations is directly introduced compressor 11, can effectively improve suction temperature and delivery temperature.Magnetic valve 166 can be controlled the unlatching of heat release pattern with closed, and when magnetic valve 166 cut out, whole unit realized that promptly routine heats process.
The present invention can have some other distortion or improvement.If those skilled in the art are subjected to the change or the improvement of the conspicuous unsubstantiality that inspiration of the present invention makes, all belong to the protection domain of claims of the present invention.
Claims (5)
1, a kind of accumulation of energy unit, it comprises compressor (11), cross valve (13), outdoor heat exchanger (14), one electric expansion valve (141), indoor set (17 in parallel, 18), each indoor set branch road rear end has electric expansion valve (171 respectively, 181), each component priority order connects to form loop, in addition, it also comprises a Storage Unit, this Storage Unit comprises energy storage equipment (160), one closed circulation pipeline and four outer contacts (167,168,169,170), this closed circulation pipeline is by this energy storage equipment (160), one electric expansion valve and six magnetic valves are arranged on the closed circulation pipeline, electric expansion valve (162) and magnetic valve (165) parallel connection, magnetic valve (163) is in parallel with (164); The first outer contact (167) is positioned at electric expansion valve one side, and the second outer contact 168 is between magnetic valve and energy storage equipment, and an end of magnetic valve (159) is the 3rd outer contact (169); The first outer contact and the second outer contact are connected between outdoor heat exchanger and the indoor set, and the first outer contact is near outdoor heat exchanger; The 3rd outer contact is connected between cross valve and the indoor set; Wherein, an end of energy storage equipment is connected with the gas-liquid separator (12) of outdoor unit under the heat release pattern, and its contact is contact (170) all round, and there is a magnetic valve (166) centre, makes energy storage equipment (160) in parallel with outdoor heat exchanger.
2, a kind of accumulation of energy unit according to claim 1 is characterized in that, also has a check valve in magnetic valve (166) back.
3, according to the control method of the described accumulation of energy unit of claim 2 heat release pattern, it is characterized in that, adjust electric expansion valve (141) and electric expansion valve (162) respectively, make the degree of supercooling of outdoor heat exchanger (14) and energy storage equipment (160) reach 1 to 3 degree centigrade respectively; Opens solenoid valve (166).
4, control method according to claim 3 is characterized in that, closes magnetic valve (166) and finishes the heat release pattern.
5, control method according to claim 3 is characterized in that, the degree of supercooling of outdoor heat exchanger (14) and energy storage equipment (160) is controlled at 2 degrees centigrade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100264762A CN100478627C (en) | 2007-01-19 | 2007-01-19 | Energy storage unit and control method for heat-release mode thereof |
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| CNB2007100264762A CN100478627C (en) | 2007-01-19 | 2007-01-19 | Energy storage unit and control method for heat-release mode thereof |
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| CN101008533A true CN101008533A (en) | 2007-08-01 |
| CN100478627C CN100478627C (en) | 2009-04-15 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922770A (en) * | 2009-06-09 | 2010-12-22 | 上海凌御电气有限公司 | Phase change energy storage air conditioning |
| CN104154596A (en) * | 2014-08-12 | 2014-11-19 | 浙江蔚庭新能源科技有限公司 | Energy-storage type heat pump air-conditioning system |
| CN104235978A (en) * | 2014-08-22 | 2014-12-24 | 海信（山东）空调有限公司 | Cold storage and heat storage type air conditioner |
| CN104279657A (en) * | 2013-07-11 | 2015-01-14 | 东莞市微电环保科技有限公司 | Ice storage air-conditioning system |
| CN104456736A (en) * | 2014-12-12 | 2015-03-25 | 珠海格力电器股份有限公司 | Air conditioner, heat storage device and control method for air conditioner |
| CN105588242A (en) * | 2015-11-09 | 2016-05-18 | 青岛海信日立空调系统有限公司 | Energy storage assembly and multi-split air-conditioning system |
| CN106369871A (en) * | 2016-10-27 | 2017-02-01 | 中国水产科学研究院渔业机械仪器研究所 | Ship air-conditioning system used for tail gas adsorption refrigeration and compression refrigeration unit recombination |
| CN107084546A (en) * | 2017-03-07 | 2017-08-22 | 广东美芝制冷设备有限公司 | Refrigerating plant |
| CN107144037A (en) * | 2017-05-19 | 2017-09-08 | 深圳市大稳科技有限公司 | Energy saver, environmental test chamber and its control method of environmental test chamber |
| CN112161379A (en) * | 2020-09-07 | 2021-01-01 | 珠海格力电器股份有限公司 | Air conditioning unit control method and device |
| CN112413942A (en) * | 2020-11-24 | 2021-02-26 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN112484180A (en) * | 2019-09-11 | 2021-03-12 | 广东美的白色家电技术创新中心有限公司 | Air conditioner |
Families Citing this family (1)
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| CN102062448B (en) * | 2011-01-29 | 2012-11-07 | 广东美的电器股份有限公司 | Air conditioner and control method thereof |
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2007
- 2007-01-19 CN CNB2007100264762A patent/CN100478627C/en active Active
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922770A (en) * | 2009-06-09 | 2010-12-22 | 上海凌御电气有限公司 | Phase change energy storage air conditioning |
| CN104279657A (en) * | 2013-07-11 | 2015-01-14 | 东莞市微电环保科技有限公司 | Ice storage air-conditioning system |
| CN104279657B (en) * | 2013-07-11 | 2017-05-17 | 东莞市微电环保科技有限公司 | Ice storage air-conditioning system |
| CN104154596A (en) * | 2014-08-12 | 2014-11-19 | 浙江蔚庭新能源科技有限公司 | Energy-storage type heat pump air-conditioning system |
| CN104235978A (en) * | 2014-08-22 | 2014-12-24 | 海信（山东）空调有限公司 | Cold storage and heat storage type air conditioner |
| CN104456736A (en) * | 2014-12-12 | 2015-03-25 | 珠海格力电器股份有限公司 | Air conditioner, heat storage device and control method for air conditioner |
| CN105588242B (en) * | 2015-11-09 | 2018-07-17 | 青岛海信日立空调系统有限公司 | A kind of accumulation of energy component and multi-online air-conditioning system |
| CN105588242A (en) * | 2015-11-09 | 2016-05-18 | 青岛海信日立空调系统有限公司 | Energy storage assembly and multi-split air-conditioning system |
| CN106369871B (en) * | 2016-10-27 | 2018-09-11 | 中国水产科学研究院渔业机械仪器研究所 | The marine air-conditioning system that tail gas adsorption refrigeration is used in combination with compression refigerating machine group |
| CN106369871A (en) * | 2016-10-27 | 2017-02-01 | 中国水产科学研究院渔业机械仪器研究所 | Ship air-conditioning system used for tail gas adsorption refrigeration and compression refrigeration unit recombination |
| CN107084546A (en) * | 2017-03-07 | 2017-08-22 | 广东美芝制冷设备有限公司 | Refrigerating plant |
| CN107084546B (en) * | 2017-03-07 | 2019-09-06 | 广东美芝制冷设备有限公司 | Refrigerating plant |
| CN107144037A (en) * | 2017-05-19 | 2017-09-08 | 深圳市大稳科技有限公司 | Energy saver, environmental test chamber and its control method of environmental test chamber |
| CN107144037B (en) * | 2017-05-19 | 2018-07-17 | 深圳市大稳科技有限公司 | Energy saver, environmental test chamber and its control method of environmental test chamber |
| CN112484180A (en) * | 2019-09-11 | 2021-03-12 | 广东美的白色家电技术创新中心有限公司 | Air conditioner |
| CN112484180B (en) * | 2019-09-11 | 2021-12-17 | 广东美的白色家电技术创新中心有限公司 | Air conditioner |
| CN112161379A (en) * | 2020-09-07 | 2021-01-01 | 珠海格力电器股份有限公司 | Air conditioning unit control method and device |
| CN112413942A (en) * | 2020-11-24 | 2021-02-26 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
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|---|---|
| CN100478627C (en) | 2009-04-15 |
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