CN201311018Y - Directly-evaporating ice-refrigerating air conditioner - Google Patents
Directly-evaporating ice-refrigerating air conditioner Download PDFInfo
- Publication number
- CN201311018Y CN201311018Y CNU2008201397348U CN200820139734U CN201311018Y CN 201311018 Y CN201311018 Y CN 201311018Y CN U2008201397348 U CNU2008201397348 U CN U2008201397348U CN 200820139734 U CN200820139734 U CN 200820139734U CN 201311018 Y CN201311018 Y CN 201311018Y
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- Prior art keywords
- ice
- heat exchange
- ice storage
- premises station
- heat
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- Expired - Lifetime
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- 238000001704 evaporation Methods 0.000 title abstract description 13
- 239000003507 refrigerant Substances 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- 238000004378 air conditioning Methods 0.000 claims description 19
- 239000002826 coolant Substances 0.000 claims description 12
- 238000012360 testing method Methods 0.000 claims description 5
- 239000011152 fibreglass Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 20
- 230000008569 process Effects 0.000 abstract description 18
- 238000002844 melting Methods 0.000 abstract description 7
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 239000011521 glass Substances 0.000 abstract 1
- 239000005457 ice water Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 230000008014 freezing Effects 0.000 description 11
- 238000007710 freezing Methods 0.000 description 11
- 230000008020 evaporation Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000005494 condensation Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 201000009240 nasopharyngitis Diseases 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses a directly-evaporating and internally-melting ice-refrigerating air conditioner comprising an outdoor unit, an indoor unit and a refrigeration management system. The outdoor unit comprises a refrigerant control device, a compressor, an ice storage device, a load control device and a thermal expansion valve; the ice storage device made of glass comprises an ice storage tank and heat exchange coil pipes and uses the heat exchange coil pipes to exchange heat, wherein the heat exchange coil pipes are vertically or horizontally arranged to form serpentine coil pipes; the indoor unit comprises an indoor heat exchanger and an expansion valve; the indoor unit and the outdoor unit as well as the interior devices of the same two are all connected by metal pipes and electromagnetic valves; and different pipeline loops are formed among the indoor unit and the outdoor unit as well as the interior devices of the same two. Due to the adoption of the serpentine coil pipes which are connected up and down, the directly-evaporating and internally-melting ice-refrigerating air conditioner overcomes the problem that ice water is layered up and down; with the metal tubes and the electromagnetic valves, the different pipeline loops are formed among the indoor unit and the outdoor unit as well as the interior devices of the same two so that the directly-evaporating and internally-melting ice-refrigerating air conditioner works independently all the way, thus unnecessary power consumption is saved, and the refrigeration management system can start different working procedures according to preset programs to meet different external requirements so as to intelligently manage the ice storage and refrigeration process.
Description
Technical field
The utility model relates to a kind of aircondition, refers in particular to a kind of direct evaporation internal ice melting cold accumulation air-conditioner device.
Background technology
Along with fast development of society, the situation of shortage of resources further appears in electric power resource, and the deficiency and the electrical network peak-valley difference that mainly show as the electric power total amount are bigger.Country relies on the input of the equipment that increases electric power on the one hand in order to solve electric power contradiction, develops the valley power consumption technology on the other hand energetically, makes full use of electric power resource, realizes the electric load peak load shifting.In recent years, the ice cold-storage has shown extremely strong social benefit and economic benefit day by day as the strong technology of a peak load shifting.
But for traditional ice-chilling air conditioning system, common cold-storage and release the process that cold process all is twice heat exchange, inefficiency, energy consumption are also higher.Simultaneously, for traditional ice-storage system, cold accumulation system is huge, only is suitable for large-scale cold supply system, then can't use for small-sized business air conditioner system.
For melting the formula ice-chilling air conditioning system in the external existing direct evaporation, when ice-melt is turned round, heat exchange thermal resistance between coil pipe and the ice sheet progressively increases along with the progressively thawing of ice sheet, ice-melt speed progressively reduces, particularly in the ice melting operation later stage, ice-melt speed is extremely low, simultaneously because the density contrast of water and the heat exchange characteristic of deicing processes, the waterborne following temperature difference in the ice groove is bigger, has serious lamination.
The ice-reserving process of traditional ice-storage air-conditioning normally refrigeration machine is cooled to non freezing solution (glycol water) below 0 ℃ earlier, again by the non freezing solution below 0 ℃ icing water in the groove icing cold-storage of lowering the temperature, promptly heat exchanging process is cold-producing medium-non freezing solution-water; Deicing processes is normally iced the heat that melts the absorption non freezing solution, and non freezing solution is the heat of absorption refrigerating water again, and promptly heat exchanging process is ice-non freezing solution-chilled water.The secondary heat exchange process of this indirect ice-storage air-conditioning makes that efficient is obviously low and energy consumption is big.
The utility model content
In order to address the above problem purpose, the purpose of this utility model provides a kind of efficient height, less energy consumption, the ice-storage air-conditioning device of good effect of heat exchange, the utility model adopts following technical scheme: a kind of ice-storage air-conditioning device, comprise off-premises station and indoor set, its improvement is, described off-premises station comprises the refrigerant control device, compressor, ice storage unit, load control unit and outer expansion valve, described ice storage unit is to carry out the ice cold-accumulating box of heat exchange with the coil pipe that utilizes that fiberglass is made, comprise Ice Storage Tank and heat exchange coil, described heat exchange coil is arranged to vertically arrange or horizontal serpentine coil.Described ice storage unit is positioned at refrigerant control device rear, compressor is positioned at refrigerant control device the place ahead, described indoor set comprises indoor heat converter and expansion valve, connect by metal tube between described off-premises station and the indoor set and between off-premises station and inner each device of indoor set, on the metal tube that connects between each device, magnetic valve is installed, utilize each magnetic valve of switch between each device, to form different pipeline loops, described refrigerant control device comprises the Data Control module, and the performing a programme that described Data Control module is fixed with establishment in advance in it opens and closes in order to the different circuit of controlling whole ice storage air conditioner.
Another optimal way of this programme, described Ice Storage Tank internal upper part and/or middle part are provided with the signal testing element.
An also optimal way of this programme, the signal testing element of described ice storage unit adopts thermistor.
The another optimal way of this programme has two heat exchangers in the described off-premises station, described two heat exchangers adopt in parallel in metal tube.
Two coolant pump are arranged in the described off-premises station.
This programme directly carries out the ice making cold-storage with Ice Storage Tank as evaporimeter during low power consumption, during peak of power consumption, Ice Storage Tank is as subcooler, promptly the cold-producing medium that comes out from condenser was carried out cold (during ice-melt, ice sheet radially melts from inside to outside along coil pipe), increased its condensation temperature difference by ice-melt, thereby increase refrigerating capacity, improve the operating condition of air-conditioning simultaneously, reduce the air-conditioning installed capacity, realize the purpose of the peak load shifting of electric load thereby reach.The heat exchange coil of this ice storage unit comprises the serpentine coil of being arranged to vertical arranged, also may further include the coil pipe that salt water flat raft row are arranged is set.It can be so that the heat exchange inside and outside the heat exchange coil be comparatively even, and the ice layer thickness outside the pipe makes the floor space of Ice Storage Tank dwindle greatly at the radially uniformity of pipeline simultaneously, helps practical application.Simultaneously, in the middle and lower part of ice groove, with vertical coil pipe arranged crosswise one tunnel horizontal coil pipe, the heat transfer process when having strengthened ice melting operation has improved ice-melt speed, has overcome ice trough inner water lamination.Adopt the thermistor signal testing element can judge current ice-reserving state easily.
Description of drawings
The off-premises station of Fig. 1 ice-storage air-conditioning device, indoor set and each machine interior arrangement connection diagram;
The vertical view of heat exchange coil in Fig. 2 ice-storage air-conditioning device Ice Storage Tank;
The front view of heat exchange coil in Fig. 3 ice-storage air-conditioning device Ice Storage Tank;
The specific embodiment
As shown in Figure 1, off-premises station ice-reserving process is as follows, and magnetic valve C, D close, and magnetic valve A, B, E open, and interior expansion valve 5 cuts out, and outer expansion valve 11 is opened, and the switching of interior expansion valve 5 can be regulated automatically according to the rotating speed and the return-air degree of superheat of compressor 1.When ice making is turned round, the gas coolant of the HTHP that the compressor 1 in the off-premises station is discharged carries out the condensation cooling through refrigerant tubing 7 inlet chamber outer heat-exchangers 4, liquid coolant after the cooling enters reservoir 10 (can add a coolant pump 12 here), a part of liquid coolant of 10 evaporates (another part is kept at 10 li of reservoirs) through the serpentine coil 8 that enters Ice Storage Tank 2 after the outer expansion valve 11 throttling step-downs in the reservoir, low-temp low-pressure gas coolant after the evaporation passes through magnetic valve E successively, A, get back to compressor 1 by pipeline and compress, this moment, indoor set was not worked.
In the ice-making process, directly evaporation behind the heat of the refrigerant absorption coil 8 outer water in the Ice Storage Tank 2 in the heat exchange coil, and coil pipe 8 outer water are emitted heat also directly at the metal outside tube pipe ice making, in freezing process, evaporating temperature in the ice groove 2 constantly reduces (last evaporating temperature maintains about-10 ℃), constantly increase owing to ice layer thickness simultaneously, heat transfer resistance constantly increases, in order to keep higher icing speed, according to the return-air degree of superheat of compressor 1, the switching of the rotating speed of compressor 1 and outer expansion valve need constantly be adjusted.In freezing process, because volumetric expansion behind the water freezing, water level constantly rises, after the water surface arrives certain altitude, when being used to measure the temperature signal of judging the thermistor 9 that whether finishes of freezing and being 0 ℃, control the ice-reserving work of off-premises station by the cold controller according to the feedback signal of thermistor 9, the control module of cold controller has been enrolled necessary program when dispatching from the factory, make equipment be installed into can according to daytime and night needed cold, the required working time of daytime and night, the different periods need different colds that cold is set in advance provides automatic management mode, makes the system can be according to outdoor temperature, indoor required temperature is regulated automatically.
The indoor set deicing processes is as follows, and magnetic valve A, C close, and magnetic valve B, D, E open, and outer expansion valve 11 cuts out, and interior expansion valve 5 is opened, and the switching of interior expansion valve 5 is regulated automatically according to the rotating speed of compressor 1 and the return-air degree of superheat of compressor 1.When ice-melt is turned round, the gas coolant of the HTHP that the compressor 1 of off-premises station is discharged carries out the condensation cooling through refrigerant tubing 7 inlet chamber outer heat-exchangers 4, it is liquid that refrigerant after the cooling enters Ice Storage Tank 2 further mistakes cold through magnetic valve D, then after interior expansion valve 5 throttling step-downs in the inlet chamber heat exchanger 3 evaporate, low-temp low-pressure gas coolant after the evaporation is got back to compressor 1 through refrigerant tubing 7 and is compressed.In deicing processes, in order to keep higher ice-melt speed, the switching of interior expansion valve 5 is adjusted according to the temperature difference of the cold-producing medium that ice groove 2 is imported and exported.
When normal the use, magnetic valve A, B, D, E close, and magnetic valve C opens, and outer expansion valve 11 cuts out, and interior expansion valve 5 is opened, and the switching of interior expansion valve 5 is regulated automatically according to the rotating speed and the return-air degree of superheat of compressor 1.When routine turns round, after the gas coolant of the HTHP that the compressor 1 of off-premises station is discharged carries out the condensation cooling through refrigerant tubing 7 inlet chamber outer heat-exchangers 4, successively by magnetic valve D, C and therebetween connecting pipe, then after interior expansion valve 5 throttling step-downs in the inlet chamber heat exchanger 3 evaporate, the low-temp low-pressure gas coolant after the evaporation is got back to compressor 1 through refrigerant tubing 7 and is compressed.
Can in off-premises station, be installed in parallel two heat exchangers 4 in the air-conditioning of the powerful cold-storage of needs, to work, can speed up processing and raising cold-storage effect.
Two coolant pump 12 can be installed in off-premises station,, and then improve the ice-reserving effect with the flowing velocity of quickening refrigerant.
Shown in Fig. 2,3, cold-storage groove 2 is the insulation cell body, and can bear corresponding hydraulic pressure, and the opposing corrosion.Heat exchange coil 8 materials in the Ice Storage Tank 2 are copper pipe, and arrangement adopts vertically equally spaced snakelike arrangement.In conjunction with the density effect of water and actual technique for applying, the import and export direction of the refrigerant pipe in the ice groove 2 goes out on enterprising for adopting.Refrigerant pipe enters ice groove 2 after current divider is assigned to refrigerant in each refrigerant loop uniformly, system than a loop, the benefit of doing like this is to reduce SR, the raising of degree simultaneously greatly the coefficient of heat transfer, make and fully carry out heat exchange between the outer water (or ice) of refrigerant and pipe in each loop.Adopt the reason of vertically arranging be for the gravity that reduces the cold-producing medium in the pipeline 8 in managing flow and the influence of heat-transfer character (especially in freezing process, the gravity of cold-producing medium is bigger to the influence of its evaporation process, adopt liquid film that vertical layout can make inside pipe wall at uniformity radially, thereby make that the inside and outside heat exchange of pipe is more even, ice layer thickness outside the pipe is at the radially uniformity of pipeline), the pipeline of vertically arranging makes the floor space of Ice Storage Tank dwindle greatly simultaneously, helps practical application.Simultaneously, at the middle and lower part and the vertical coil pipe arranged crosswise one tunnel horizontal heat exchange coil of ice groove, control by valve, when ice-melt, open valve and feed cold-producing medium, thereby the ice of two groups of heat exchange coil infalls melts very soon, vertical icicle is blocked, make that the free convection between the inside and outside water of vertical icicle is strengthened, the heat exchange effect is strengthened, and ice-melt speed is improved, the lamination of water be improved significantly.
According to the implementing measure of above introduction, aircondition of the present invention is optimized operation, the installed capacity of air-conditioning can reduce about 30%, thereby soon about 30% of the time to peak of electric load moves on between paddy.
The above only is a preferable embodiment of the present utility model; protection domain of the present utility model is not limited thereto, and those of skill in the art are any to be included within the utility model protection domain based on non-material change on the technical solutions of the utility model.
Claims (5)
1, a kind of ice-storage air-conditioning device comprises off-premises station and indoor set, it is characterized in that, described off-premises station comprises refrigerant control device (4), compressor (1), ice storage unit, load control unit and outer expansion valve (11),
Described ice storage unit is to carry out the ice cold-accumulating box of heat exchange with the coil pipe that utilizes that fiberglass is made, comprise Ice Storage Tank (2) and heat exchange coil (8), described heat exchange coil (8) is arranged to vertically arrange or horizontal serpentine coil, described ice storage unit is positioned at refrigerant control device rear, compressor (1) is positioned at refrigerant control device the place ahead
Described indoor set comprises indoor heat converter (3) and interior expansion valve (5),
Connect by metal tube (7) between described off-premises station and the indoor set and between off-premises station and inner each device of indoor set, on the metal tube (7) that connects between each device, magnetic valve (6) is installed, utilize each magnetic valve of switch (6) between each device, to form different pipeline loops
Described refrigerant control device comprises the Data Control module, and the performing a programme that described Data Control module is fixed with establishment in advance in it opens and closes in order to the different circuit of controlling whole ice storage air conditioner.
2, ice-storage air-conditioning device as claimed in claim 1 is characterized in that, described Ice Storage Tank (2) internal upper part and/or middle part are provided with signal testing element (9).
3, ice-storage air-conditioning device as claimed in claim 2 is characterized in that, the signal testing element of described ice storage unit adopts thermistor.
4, ice-storage air-conditioning device as claimed in claim 1 is characterized in that, two heat exchangers (4) are arranged in the described off-premises station, and described two heat exchangers (4) adopt in parallel in metal tube (7).
5, ice-storage air-conditioning device as claimed in claim 1 is characterized in that, two coolant pump (12) are arranged in the described off-premises station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201397348U CN201311018Y (en) | 2008-10-24 | 2008-10-24 | Directly-evaporating ice-refrigerating air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201397348U CN201311018Y (en) | 2008-10-24 | 2008-10-24 | Directly-evaporating ice-refrigerating air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201311018Y true CN201311018Y (en) | 2009-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201397348U Expired - Lifetime CN201311018Y (en) | 2008-10-24 | 2008-10-24 | Directly-evaporating ice-refrigerating air conditioner |
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| Country | Link |
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| CN (1) | CN201311018Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013895A (en) * | 2022-06-14 | 2022-09-06 | 河北工程大学 | Transverse heat exchange ice energy storage heat exchanger |
-
2008
- 2008-10-24 CN CNU2008201397348U patent/CN201311018Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115013895A (en) * | 2022-06-14 | 2022-09-06 | 河北工程大学 | Transverse heat exchange ice energy storage heat exchanger |
| CN115013895B (en) * | 2022-06-14 | 2023-05-26 | 河北工程大学 | Transverse heat exchange ice energy storage heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING ICE-BANK ENERGY TECHNOLOGY CO.,LTD. Free format text: FORMER OWNER: DAI SIJIA Effective date: 20100422 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100022 ROOM 501, XINGHUO TECHNOLOGY BUILDING, NO.2, FUFENG ROAD, FENGTAI DISTRICT, BEIJING CITY TO: 100070 ROOM 501, XINGHUO TECHNOLOGY BUILDING, NO.2, FUFENG ROAD, FENGTAI DISTRICT, BEIJING CITY |
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| TR01 | Transfer of patent right |
Effective date of registration: 20100422 Address after: 100070 Beijing spark science and Technology Building No. 2 Fengtai District Fung Fu Road Room 501 Patentee after: Beijing Gaoling Energy Technology Co.,Ltd. Address before: 100022 Beijing spark science and Technology Building No. 2 Fengtai District City Fung Fu Road Room 501 Patentee before: Dai Sijia |
|
| C56 | Change in the name or address of the patentee |
Owner name: ICE BANK ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER NAME: ZOU LISI |
|
| CP03 | Change of name, title or address |
Address after: 100022, room 902, block B, Yintai Center, 2 East Gate Street, Beijing Patentee after: ICE BANK ENERGY TECHNOLOGY Co.,Ltd. Address before: 100070 Beijing spark science and Technology Building No. 2 Fengtai District Fung Fu Road Room 501 Patentee before: Beijing Gaoling Energy Technology Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100022, room 902, block B, Yintai Center, 2 East Gate Street, Beijing Patentee after: ICE BANK ENERGY INVESTMENT GROUP CO.,LTD. Address before: 100022, room 902, block B, Yintai Center, 2 East Gate Street, Beijing Patentee before: High spirit Energy Investment Co.,Ltd. Address after: 100022, room 902, block B, Yintai Center, 2 East Gate Street, Beijing Patentee after: High spirit Energy Investment Co.,Ltd. Address before: 100022, room 902, block B, Yintai Center, 2 East Gate Street, Beijing Patentee before: ICE BANK ENERGY TECHNOLOGY Co.,Ltd. |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180928 Granted publication date: 20090916 |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090916 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20181024 Granted publication date: 20090916 |