CN201731694U - Double-working-condition refrigeration cold storage system - Google Patents
Double-working-condition refrigeration cold storage system Download PDFInfo
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- CN201731694U CN201731694U CN2010202971869U CN201020297186U CN201731694U CN 201731694 U CN201731694 U CN 201731694U CN 2010202971869 U CN2010202971869 U CN 2010202971869U CN 201020297186 U CN201020297186 U CN 201020297186U CN 201731694 U CN201731694 U CN 201731694U
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- expansion valve
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- expanding valve
- electromagnetic expanding
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Abstract
The utility model discloses a double-working-condition refrigeration cold storage system, which comprises a compressor, a condenser, a liquid storage tank, a first electromagnetic expansion valve and an evaporator, wherein the condenser, the liquid storage tank, the first electromagnetic expansion valve and the evaporator are respectively connected with the compressor. A refrigerating medium outlet of the evaporator is respectively connected with a second electromagnetic expansion valve, an ice storage tank and a third electromagnetic expansion valve; the other end of the third electromagnetic expansion valve is connected with a refrigerating medium inlet of the evaporator; one end of a fourth electromagnetic expansion valve is connected with a refrigerating medium outlet of the evaporator while the other end is connected with a cooling coil pipe; the other end of the cooling coil pipe is connected with the refrigerating medium inlet of the evaporator; one end of a pump is connected between the second electromagnetic expansion valve and the ice storage tank while; the other end of the pump is connected between the fourth electromagnetic expansion valve and the cooling coil pipe; a fifth electromagnetic expansion valve is parallelly connected with the fourth electromagnetic expansion valve; and a temperature sensor arranged at the refrigerating medium outlet of the evaporator is respectively connected with a controller and the first electromagnetic expansion valve by the aid of leads. By changing a traditional cold storage system with a plurality of main units, the double-working-condition refrigeration cold storage system not only reduces initial investment, but also saves energy resources and can effectively and reliably guarantee running of the cold storage system.
Description
Technical field
The utility model relates to a kind of refrigeration and cold accumulation system, more particularly, and the duplexing condition refrigeration and cold accumulation system that relates to adopt in the air-conditioning system.
Background technology
Raising along with development of modern industry and living standards of the people.The application of central air-conditioning more and more widely, its power consumption is also increasing, some big and medium-sized cities central air-conditioning power consumptions have accounted for more than 20% of its peak power consumption, make power system peak load difference strengthen, the network load rate descends, electrical network has to carry out power cuts to limit consumption, is seriously restricting industrial and agricultural production, and the normal life of people is brought many influences.One of effective way that addresses this problem is to be applied to the cold-storage technology, with air conditioning electricity from daytime the peak period transfer to the night dip phase, balanced urban distribution network load reaches the purpose of peak load shifting.Cold accumulation system is to utilize remain in operation refrigeration machine refrigeration of the unnecessary charged power of paddy of electrical network at night, and stores with the form of ice, provides the air-conditioning service with ice-out during peak of power consumption by day, thereby avoids the electricity consumption of central air-conditioning peak power.But when cooling load was bigger, the ice-melt cooling just can not satisfy the cooling load.
The utility model content
The purpose of this utility model is to overcome above-mentioned defective of the prior art, and a kind of duplexing condition refrigeration and cold accumulation system is provided, and can overcome the existing existing above-mentioned shortcoming of cold accumulation system, can the low temperature ice making, can under the common air-conditioning operating mode, move again.
For achieving the above object, the technical scheme that the utility model provides is as follows: construct a kind of duplexing condition refrigeration and cold accumulation system, comprise compressor, the condenser that is connected successively with compressor, fluid reservoir, first electromagnetic expanding valve, evaporimeter, the outlet of the refrigerating medium of described evaporimeter successively with second electromagnetic expanding valve, Ice Storage Tank, the 3rd electromagnetic expanding valve is connected, described the 3rd electromagnetic expanding valve other end is connected with the refrigerating medium inlet of described evaporimeter, the 4th electromagnetic expanding valve one end exports the other end that is connected with the refrigerating medium of described evaporimeter and is connected with cooling coil, the other end of described cooling coil is connected with the refrigerating medium of described evaporimeter inlet, one end of pump is connected between second electromagnetic expanding valve and the Ice Storage Tank, the other end is connected between the 4th electromagnetic expanding valve and the cooling coil, the 5th electromagnetic expanding valve and the 4th electromagnetic expanding valve are connected in parallel, the refrigerating medium outlet of described evaporimeter is provided with temperature sensor, described temperature sensor lead and controller, described first electromagnetic expanding valve connects successively.
The beneficial effect of duplexing condition refrigeration and cold accumulation system described in the utility model is: a main frame can satisfy the ice making cold-storage of cold accumulation system and the multiple running status of common air-conditioning refrigeration in different evaporating temperature refrigeration.Can under ice-reserving refrigeration and common air-conditioning cooling condition, regulate operation.And the employing control system, calculate the aperture of electromagnetic expanding valve accurately, reach operating condition rapidly.The art of this patent changes traditional multiple host cold accumulation system, has both reduced the initial cost of cold accumulation system, energy savings again, and can effectively provide reliable operational support for energy-storage system.The utilization of duplex condition refrigeration energy-storage system will be accelerated promoting the use of of cold accumulation system, for balancing electric power is made major contribution.
Below in conjunction with drawings and Examples duplexing condition refrigeration and cold accumulation system described in the utility model is described further:
Description of drawings
Fig. 1 is the structural representation of duplexing condition refrigeration and cold accumulation system described in the utility model.
The specific embodiment
Description of reference numerals:
1, compressor; 2, condenser; 3, fluid reservoir; 4, first electromagnetic expanding valve; 5, evaporimeter; 6, controller; 7, second electromagnetic expanding valve; 8, the 4th electromagnetic expanding valve; 9, Ice Storage Tank; 10, cooling coil; 11, temperature sensor; 12, the 3rd electromagnetic expanding valve; 13, the 5th electromagnetic expanding valve; 13, pump; 14, refrigerating medium outlet; 15, refrigerating medium import.
Below be the most preferred embodiment of duplexing condition refrigeration energy-storage system described in the utility model, therefore do not limit protection domain of the present utility model.
With reference to Fig. 1, a kind of duplexing condition refrigeration and cold accumulation system is provided, comprise compressor 1, the condenser 2 that is connected successively with compressor 1, fluid reservoir 3, first electromagnetic expanding valve 4, evaporimeter 5, the refrigerating medium of described evaporimeter outlet 16 successively with second electromagnetic expanding valve 7, Ice Storage Tank 9, the 3rd electromagnetic expanding valve 12 is connected, described the 3rd electromagnetic expanding valve 12 other ends are connected with the refrigerating medium import 15 of described evaporimeter 5, the refrigerating medium outlet 16 of the 4th electromagnetic expanding valve 8 one ends and described evaporimeter 5 other end that is connected is connected with cooling coil 10, the other end of described cooling coil 10 is connected with the refrigerating medium import 15 of described evaporimeter 5, one end of pump 14 is connected between second electromagnetic expanding valve 7 and the Ice Storage Tank 9, the other end is connected between the 4th electromagnetic expanding valve 8 and the cooling coil 10, the 5th electromagnetic expanding valve 13 and the 4th electromagnetic expanding valve 8 are connected in parallel, the refrigerating medium outlet 16 of described evaporimeter 5 is provided with temperature sensor 11, described temperature sensor 11 usefulness leads and controller 6, described first electromagnetic expanding valve 4 connects successively.
Duplex condition refrigeration energy-storage system operating procedure:
At night, the electric power low ebb phase is carried out the operation of low temperature ice making cold-storage.The 4th electromagnetic expanding valve 8 is closed, and second electromagnetic expanding valve 7 is opened.The 3rd electromagnetic expanding valve 12 is opened, and the 5th electromagnetic expanding valve 13 is closed.Open compressor 1, temperature sensor 11 is gathered refrigerating medium and is exported 16 temperature to controller 6, and controller 6 is judged the aperture of calculating first electromagnetic expanding valve 4, guarantees that outlet 14 temperature of refrigerating medium remain on-3 ℃.
Daytime, when required total refrigeration duty less than the cold storage capacity of Ice Storage Tank 9 90% the time, close compressor 1, close second and third, four electromagnetic expanding valves 7,8,12, open pump 14 and the 5th electromagnetic expanding valve 13.By refrigerating medium the cold in the Ice Storage Tank 9 is imported cooling coil 10, carry out heat exchange, realize the cold operation of releasing on daytime with air.
When daytime required refrigeration duty surpass 9 cold storage capacities of Ice Storage Tank 90% the time, open the 4th electromagnetic expanding valve 8, open compressor 1, and under the operating mode of common air-conditioning, move, to cooling coil 10 coolings, replenish indoor refrigeration requirement.
Claims (2)
1. duplexing condition refrigeration and cold accumulation system, comprise compressor (1), the condenser (2) that is connected successively with compressor (1), fluid reservoir (3), first electromagnetic expanding valve (4), evaporimeter (5), it is characterized in that, the refrigerating medium of described evaporimeter outlet (16) successively with second electromagnetic expanding valve (7), Ice Storage Tank (9), the 3rd electromagnetic expanding valve (12) is connected, described the 3rd electromagnetic expanding valve (12) other end is connected with the refrigerating medium import (15) of described evaporimeter (5), the refrigerating medium outlet (16) of the 4th electromagnetic expanding valve (8) one ends and described evaporimeter (5) other end that is connected is connected with cooling coil (10), the other end of described cooling coil (10) is connected with the refrigerating medium import (15) of described evaporimeter (5), one end of pump (14) is connected between second electromagnetic expanding valve (7) and the Ice Storage Tank (9), the other end is connected between the 4th electromagnetic expanding valve (8) and the cooling coil (10), and the 5th electromagnetic expanding valve (13) is connected in parallel with the 4th electromagnetic expanding valve (8).
2. duplexing condition refrigeration and cold accumulation system according to claim 1, it is characterized in that, the refrigerating medium outlet (16) of described evaporimeter (5) is provided with temperature sensor (11), and described temperature sensor (11) is connected with controller (6), described first electromagnetic expanding valve (4) successively with lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202971869U CN201731694U (en) | 2010-08-12 | 2010-08-12 | Double-working-condition refrigeration cold storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202971869U CN201731694U (en) | 2010-08-12 | 2010-08-12 | Double-working-condition refrigeration cold storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201731694U true CN201731694U (en) | 2011-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202971869U Expired - Fee Related CN201731694U (en) | 2010-08-12 | 2010-08-12 | Double-working-condition refrigeration cold storage system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425827A (en) * | 2011-08-11 | 2012-04-25 | 上海电力学院 | Solar cogeneration cold-accumulation-type central air conditioning system for villa |
| CN103335365A (en) * | 2013-06-05 | 2013-10-02 | 深圳达实智能股份有限公司 | Ice storage air-conditioning system and operation method thereof |
| CN115388578A (en) * | 2022-10-25 | 2022-11-25 | 南京金宁能源科技有限公司 | Heat source tower heat pump and water energy storage coupled cooling and heating system and method |
-
2010
- 2010-08-12 CN CN2010202971869U patent/CN201731694U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425827A (en) * | 2011-08-11 | 2012-04-25 | 上海电力学院 | Solar cogeneration cold-accumulation-type central air conditioning system for villa |
| CN102425827B (en) * | 2011-08-11 | 2013-10-09 | 上海电力学院 | Solar cogeneration cold-accumulation-type central air conditioning system for villa |
| CN103335365A (en) * | 2013-06-05 | 2013-10-02 | 深圳达实智能股份有限公司 | Ice storage air-conditioning system and operation method thereof |
| CN115388578A (en) * | 2022-10-25 | 2022-11-25 | 南京金宁能源科技有限公司 | Heat source tower heat pump and water energy storage coupled cooling and heating system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20120812 |