CN200961918Y - Ice storage unit and air conditioning system using same - Google Patents
Ice storage unit and air conditioning system using same Download PDFInfo
- Publication number
- CN200961918Y CN200961918Y CNU2006200573521U CN200620057352U CN200961918Y CN 200961918 Y CN200961918 Y CN 200961918Y CN U2006200573521 U CNU2006200573521 U CN U2006200573521U CN 200620057352 U CN200620057352 U CN 200620057352U CN 200961918 Y CN200961918 Y CN 200961918Y
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- China
- Prior art keywords
- ice
- valve
- storage unit
- outer contact
- expansion valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 20
- 238000005057 refrigeration Methods 0.000 abstract description 11
- 238000009825 accumulation Methods 0.000 abstract description 4
- 238000004781 supercooling Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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- Air Conditioning Control Device (AREA)
Abstract
The utility model relates to an air conditioning system and air conditioning component, in particular to ice cold-storage unit. A super-cooling type ice cold storage machine set comprises an ice storage device, a closed circulation pipeline and three external contacts, wherein the closed circulation pipeline passes through the ice storage device, an electronic expansion valve and three electromagnetic valves are arranged on the closed circulation pipeline, the electronic expansion valve is connected with one of the electromagnetic valves in parallel, and the other two electromagnetic valves are connected in parallel; the first external connection point is positioned on one side of the electronic expansion valve, the second external connection point is positioned between the electromagnetic valve and the ice storage device, the electromagnetic valve is connected between the electromagnetic valve and the second external connection point, and the other end of the electromagnetic valve is a third external connection point. The utility model discloses a super-cooled ice cold-storage unit can realize the switching of six kinds of operational mode of ice-storage, ice-melt refrigeration, conventional refrigeration, heat pump, heat accumulation and heat release, utilizes ice-storage equipment ability to the at utmost, and reasonable control reaches best energy-conserving effect.
Description
Technical field
The utility model relates to a kind of air-conditioning system and air-condition assembly, particularly a kind of ice cold-storage unit.
Background technology
Existing ice-chilling air conditioning system is to utilize the electrical network cheap electric power of low-load period, and as night electricity, the cold of refrigeration system being produced by refrigerating medium (being generally glycol water) is stored in the water, water congeals into ice; And,, the cold in the ice is discharged to the air-conditioning system cooling, thereby reduce the electrical network high load capacity phase to the requirement of electric power, the air-conditioning system of realization power system " peak load shifting " as daytime in the electrical network high load capacity phase of electricity price costliness.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.On March 2nd, 2005, disclosed application number was that 200410074074.6 cold accumulating device by ice is referring to Fig. 1, refrigeration unit and heat exchanger connect and compose loop in this device, on the pipeline of heat exchanger exit and cold-producing medium group inlet heat exchanger control valve, refrigerating medium and cold machine control valve are set; On the pipeline between coolant pump and the cold machine control valve, connect ice barrel road, set gradually ice groove control valve and ice groove on the ice barrel road, the other end on ice barrel road export with refrigeration unit and heat exchanger entrance between pipeline be connected; Connect bypass line on the pipeline between heat exchanger control valve and the coolant pump, bypass regulator valve is set on the bypass line, the other end of bypass line is connected with the pipeline of icing between groove control valve and the ice groove.The weak point of this ice cold-storage unit is: 1, change is bigger on original refrigeration unit basis, needs refrigerating medium and coolant pump in addition, complex structure, cost height; 2, this ice cold-storage unit only has cool storage function, and does not have heat accumulation function; 3, this ice cold-storage unit can't improve the degree of supercooling of refrigeration unit.
The utility model content
Technical problem to be solved in the utility model is, provide a kind of simple in structure, have an Overcold ice cold-storage unit of cold-storage and heat accumulation function simultaneously.
The utility model also provides a kind of air-conditioning system of using above-mentioned Overcold ice cold-storage unit.
Technical problem to be solved in the utility model is achieved by the following technical solution: a kind of Overcold ice cold-storage unit, it comprises ice storage unit, a closed circulation pipeline and three outer contacts, this closed circulation pipeline is by this ice storage unit, one electric expansion valve and three magnetic valves are arranged on the closed circulation pipeline, electric expansion valve and one of them magnetic valve parallel connection, two other magnetic valve parallel connection; Wherein the first outer contact is positioned at electric expansion valve one side, and the second outer contact is connected to a magnetic valve between the magnetic valve and the above-mentioned second outer contact between magnetic valve and ice storage unit, and the other end of magnetic valve is the 3rd outer contact.
A kind of air-conditioning system, it comprises compressor, cross valve, outdoor heat exchanger, the valve group that one electric expansion valve and check valve are formed, indoor set in parallel, each indoor set branch road front end has electric expansion valve, each component priority order connects to form loop, it also comprises Overcold ice cold-storage unit, this Overcold ice cold-storage unit comprises ice storage unit, one closed circulation pipeline and three outer contacts, this closed circulation pipeline is by this ice storage unit, one electric expansion valve and three magnetic valves are arranged on the closed circulation pipeline, electric expansion valve and one of them magnetic valve parallel connection, two other magnetic valve parallel connection; Wherein the first outer contact is positioned at electric expansion valve one side, and the second outer contact is connected to a magnetic valve between the magnetic valve and the above-mentioned second outer contact between magnetic valve and ice storage unit, and the other end of magnetic valve is the 3rd outer contact; 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.
The Overcold ice cold-storage unit of the utility model design can be realized the switching of ice-reserving, ice-melt refrigeration, conventional refrigeration, heat pump, accumulation of heat and six kinds of operational modes of heat release, farthest utilizes the ice-storage equipment ability, and rationally control reaches optimum energy-saving effect.Ice-storage equipment night in summer as evaporimeter, utilize the preferential electricity price of low ebb to carry out the ice making cold-storage; Peak times of power consumption on daytime, ice-storage equipment improves the cold-producing medium degree of supercooling as the subcooler of condenser, thereby improves the performance of unit, increases refrigerating capacity, reduces the idle call electric weight; When room air conditioner load hour, can realize again without ice-storage equipment, directly carry out the conventional air-conditioning operation.To winter, this system can also realize regenerative operation, and cold accumulating device by ice utilizes the preferential electricity price of low ebb to carry out regenerative operation as condenser in the winter time night; Peak times of power consumption on daytime, ice-storage equipment improves complete machine operation evaporating temperature as evaporimeter, thereby improves unit performance in a period of time, increases heating capacity, reduces the idle call electric weight, realizes Optimal Control and utilization to ice storage unit, reaches energy-conservation requirement.
Description of drawings
Fig. 1 is a cold accumulating device by ice structure chart in the prior art;
Fig. 2 is the utility model air-conditioning system structure chart;
Cold-producing medium flow chart when Fig. 3 is the utility model air-conditioning system ice melting operation.
The specific embodiment
A kind of Overcold ice cold-storage unit 6, referring to Fig. 2, 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.
Referring to Fig. 2, a kind of air-conditioning system, it comprises valve group 41, indoor set in parallel 7,8 that compressor 1, gas-liquid separator 2, cross valve 3, outdoor heat exchanger 4, an electric expansion valve and check valve are formed, each indoor set branch road front end has electric expansion valve 71,81 respectively, each component priority order connects to form loop, in addition, this air-conditioning system also comprises an aforementioned Overcold ice cold-storage unit 6, outer contact 67 and outer contact 68 are connected between outdoor heat exchanger 4 and the indoor set 7,8, and outer contact 67 is near outdoor heat exchanger 4; Outer contact 69 is connected between cross valve 3 and the indoor set 7,8.
The control mode of above-mentioned air-conditioning system and operational mode realize going up and adopt the break-make control of passing through four electromagnetic valves 63,64,65,66 on ice storage unit to control switching and the control that realizes six kinds of operational modes of air-conditioning system with the adjusting control of an electronic expansion valve 62 and the adjusting of proportioning valve group 41 and electric expansion valve 71,81, and its each operational mode valve state of a control is as shown in the table:
| | 41 | 62 | 63 | 64 | 65 | 71 | 81 | 66 |
| The ice-reserving operation | Bypass | Throttling | Close | Close | Close | Close | Close | Open |
| Ice melting operation | Bypass | Arbitrarily | Close | Close | Open | Throttling | Throttling | Close |
| Conventional refrigeration | Bypass | Close | Open | Arbitrarily | Close | Throttling | Throttling | Close |
| Conventional heat pump | Throttling | Close | Arbitrarily | Open | Close | Standard-sized sheet | Standard-sized sheet | Close |
| Regenerative operation | Throttling | Standard-sized sheet | Close | Close | Arbitrarily | Standard-sized sheet | Standard-sized sheet | Close |
| The heat release heat pump | Standard-sized sheet | Standard-sized sheet | Close | Close | Arbitrarily | Throttling | Throttling | Close |
Can realize the optimum utilization of freely switching of six kinds of operational modes of Overcold unit and cold-storage and thermal storage by above valve control.
Fig. 3 is the service chart of cold-producing medium when air-conditioning system realizes ice melting operation in the utility model control method.Move under this pattern, ice storage unit 61 improves the cold-producing medium degree of supercooling as the subcooler of outdoor heat exchanger 4, thereby improves the performance of unit, increases refrigerating capacity, reduces air-conditioning at electric power peak period power consumption.
The utility model also has 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 utility model makes, all belong to the protection domain of the utility model claims.
Claims (2)
1, a kind of Overcold ice cold-storage unit, it is characterized in that, 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 connection; Outer contact (67) is positioned at electric expansion valve (62) one sides, outer contact (68) is positioned between magnetic valve (63,64) and the ice storage unit (61), be connected to a magnetic valve (66) between magnetic valve (63,64) and the outer contact (68), the other end of magnetic valve (66) is outer contact (69).
2, a kind of air-conditioning system, it comprises compressor (1), cross valve (3), outdoor heat exchanger (4), the valve group (41) that one electric expansion valve and check valve are formed, indoor set (7 in parallel, 8), each indoor set branch road front end has electric expansion valve (71 respectively, 81), each component priority order connects to form loop, it is characterized in that, it also comprises Overcold ice cold-storage unit (6), this Overcold ice cold-storage unit (6) comprises ice storage unit (61), one 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 are arranged on the closed circulation pipeline, 64,65), electric expansion valve (62) and one of them magnetic valve (65) parallel connection, two other magnetic valve (63,64) parallel connection; Outer contact (67) is positioned at electric expansion valve (62) one sides, outer contact (68) is positioned between magnetic valve (63,64) and the ice storage unit (61), be connected to a magnetic valve (66) between magnetic valve (63,64) and the outer contact (68), the other end of magnetic valve (66) is outer contact (69); Outer contact (67) and outer contact (68) are connected between outdoor heat exchanger (4) and the indoor set (7,8), and outer contact (67) is near outdoor heat exchanger (4); Outer contact (69) is connected between cross valve (3) and the indoor set (7,8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200573521U CN200961918Y (en) | 2006-04-04 | 2006-04-04 | Ice storage unit and air conditioning system using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200573521U CN200961918Y (en) | 2006-04-04 | 2006-04-04 | Ice storage unit and air conditioning system using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200961918Y true CN200961918Y (en) | 2007-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200573521U Expired - Lifetime CN200961918Y (en) | 2006-04-04 | 2006-04-04 | Ice storage unit and air conditioning system using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200961918Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881492A (en) * | 2010-06-24 | 2010-11-10 | 上海弗格森制冷设备有限公司 | Dynamic ice cold storing and refrigerating equipment |
| 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 |
| CN105910360A (en) * | 2016-06-01 | 2016-08-31 | 广东美的制冷设备有限公司 | Air-conditioning system and condensation prevention control method thereof |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| CN112762531A (en) * | 2020-12-31 | 2021-05-07 | 广东欧科空调制冷有限公司 | Air conditioning unit |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
-
2006
- 2006-04-04 CN CNU2006200573521U patent/CN200961918Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881492A (en) * | 2010-06-24 | 2010-11-10 | 上海弗格森制冷设备有限公司 | Dynamic ice cold storing and refrigerating equipment |
| 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 |
| 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 |
| CN105910360A (en) * | 2016-06-01 | 2016-08-31 | 广东美的制冷设备有限公司 | Air-conditioning system and condensation prevention control method thereof |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US11919363B2 (en) | 2017-08-25 | 2024-03-05 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| CN112762531A (en) * | 2020-12-31 | 2021-05-07 | 广东欧科空调制冷有限公司 | Air conditioning unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071017 |
|
| EXPY | Termination of patent right or utility model |