CN102042647A - Cold supply energy-saving integrated system - Google Patents
Cold supply energy-saving integrated system Download PDFInfo
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- CN102042647A CN102042647A CN201010511057XA CN201010511057A CN102042647A CN 102042647 A CN102042647 A CN 102042647A CN 201010511057X A CN201010511057X A CN 201010511057XA CN 201010511057 A CN201010511057 A CN 201010511057A CN 102042647 A CN102042647 A CN 102042647A
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Abstract
The invention discloses a cold supply energy-saving integrated system which comprises a cold source and a tail end, wherein a cooling pump is connected between the cold source and the tail end; the cold source comprises an energy taking end, a refrigerating host and a refrigerating pump arranged in the refrigerating host; the system also comprises a climatic compensation energy-saving control system connected with the refrigerating pump, the cooling pump and the refrigerating host; and the climatic compensation energy-saving control system is used for calculating the water supply temperature of the refrigerating host according to acquired outdoor temperature, outdoor humidity and user temperature so as to realize the water supply temperature real-time regulation for the refrigerating pump, the cooling pump and the refrigerating host. In the invention, the climatic compensation energy-saving control system is arranged and used for introducing a climatic compensation function according to seasons and set running condition so as to control the host, the pumps and system pipeline regulating valves and provide stable water supply temperature for the tail end under a most economical condition, thus the system has better technical effect.
Description
Technical field
The present invention relates to a kind of cold supply system, belong to the cryogenic energy utilization technology, can significantly improve system's cold efficiency, energy-saving and cost-reducing.
Background technology
At present, cold supply system has obtained very large-scale popularization, and especially large-scale cold supply system obtains especially more and more for paying attention to widely.Its cold supply system generally comprises the system that low-temperature receiver is provided, and behind coolant pump, goes among being transported to each user's end.
But there is following problem in cold supply system at present:
The first, owing to cold supply system itself, the temperature control equipment that it is not outside, therefore, among the process of cooling, be easy to produce temperature and cross cold overheated phenomenon, especially, under the situation of the user's end that faces terminal, therefore be difficult to accurate temperature controlling;
The second, because cold supply system all is to adopt refrigeration host computer to freeze, therefore, it does not consider other supplementary energy, therefore, in use has energy waste;
Three, because the difference of different periods of power rate, when using said system, many times, peak of power consumption the time, therefore, not only cause energy crisis easily exactly, and, adopt said system, also can bring the too high problem of certain cost.
Summary of the invention
The present invention seeks to the not foot phenomenon that exists in the above-mentioned cold supply system for overcoming, propose the cold-supplying energy-saving integral system from the low-temperature receiver to the end.
The present invention solves the problems of the technologies described above the technical scheme that adopted as following description:
A kind of cold-supplying energy-saving integral system comprises: low-temperature receiver and end, be connected with coolant pump between low-temperature receiver and the end, and described low-temperature receiver comprises, getting can end, refrigeration host computer and be arranged on wherein refrigerating water pump; Described system also is provided with weather compensation energy-saving control system, described weather compensation energy-saving control system connects refrigerating water pump, coolant pump and refrigeration host computer, weather compensation energy-saving control system is according to outdoor temperature, outside humidity, user's temperature of gathering, calculate the refrigeration host computer supply water temperature, refrigerating water pump, coolant pump and refrigeration host computer are realized the real-time adjusting of supply water temperature.
Further, preferred construction is, also is provided with cold accumulation system, and described cold accumulation system connects above-mentioned low-temperature receiver and weather compensation energy-saving control system.
Further, preferred construction is, described getting can be held the cooling refrigerant medium of choosing one of soil or underground water or sewage or rivers water or common cold water.
Further, preferred construction is that described end is fan coil or new blower fan group or capillary network.
Further, preferred construction is that described low-temperature receiver is earth-source hot-pump system or water source heat pump system or water-cooled unit.
Further, preferred construction is that described cold accumulation system is ice-storage system or chilled water storage system.
Further, preferred construction is that described cold accumulation system is stored by the form of refrigeration host computer with ice or water in the operation of electric power low-valley interval; In the flat peak of electricity price period or electric power peak period, cold accumulation system provides separately or provides low-temperature receiver to terminal temperature difference jointly by cold accumulation system and refrigeration host computer.
The present invention taked the beneficial effect after the technique scheme such as below description:
The first, because the present invention is provided with weather compensation energy-saving control system, weather compensation energy-saving control system is according to season and unit operation situation, introduce the weather compensate function, main frame, pump, system pipeline control valve are controlled, under most economical situation, provided stable supply water temperature to end.
The second, owing to also increased independent cold accumulation system, can adopt electric refrigeration air-conditioner main frame refrigeration, cold is stored with the form of ice or water in the lower low power consumption phase at night of electric load; On electric load higher daytime, i.e. peak times of power consumption, stop or intermittent duty electricity refrigeration air-conditioner main frame, therefore, the cost savings aspect is preferable.
Description of drawings
By the description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, the above-mentioned feature and advantage of the present invention will become apparent and understand easily.
Fig. 1 is the structural representation of cold-supplying energy-saving integral system of the present invention.
The specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of cold-supplying energy-saving integral system of the present invention.
As shown in the figure, cold-supplying energy-saving integral system of the present invention comprises: low-temperature receiver 1 and terminal 2, be connected with coolant pump 6 between the low-temperature receiver 1 and terminal 2, wherein, low-temperature receiver 1 provides cold for terminal 2 users, coolant pump 6 is as power resources, usually makes to end system circulation power is provided.
Specifically be described, described low-temperature receiver 1 comprises, gets and can hold 7, refrigeration host computer and be arranged on wherein refrigerating water pump 5, and usually, refrigerating water pump 5 provides circulation power for chilled water.
In addition, described system also is provided with weather compensation energy-saving control system 3, described weather compensation energy-saving control system connects refrigerating water pump 5, coolant pump 6 and refrigeration host computer, weather compensation energy-saving control system 3 is according to outdoor temperature, outside humidity, user's temperature of gathering, calculate the supply water temperature of refrigeration host computer, refrigerating water pump 5, coolant pump 6 and refrigeration host computer are realized the real-time adjusting of supply water temperature, thereby realize the energy-conservation technique effect of cold supply system.
This system can be widely used among a plurality of cold supply systems.
For example, get and to hold 7 can choose soil, can choose underground water, can choose sewage, also can choose rivers water, perhaps also can select common cold water, serve as cooling refrigerant medium.Usually, above-mentioned rivers water is at source pump, and common cold water mainly is at traditional refrigeration host computer.
In addition, end usually can be chosen as fan coil, can be chosen as new blower fan group, also can select capillary network.
In addition, described low-temperature receiver 1 is source heat pump system selectively, also can select water source heat pump system or select the water-cooled unit.
In addition, for the too high problem of the cost that solves existing cold supply system, native system also is provided with a cold accumulation system 4, usually, and ice-storage system preferably.This system can utilize preferential electricity price in the lower low power consumption phase of electric load, adopts refrigeration host computer (for example, electric refrigeration host computer) ice making, and is stored in the ice-storage equipment; On electric load higher daytime, avoid peak electricity tariff, stop or intermittent duty electricity refrigeration host computer, the cold that ice-storage equipment is stored discharges, to satisfy the needs of terminal 2 load.
Normally, cold accumulation system 4 cooperates refrigeration host computer 8 work, and the night electricity low-valley interval utilizes low-price electricity operation ice making.Refrigeration host computer 8 oeprations at full load this moment, when ice storage unit ice-reserving amount reached requirement, refrigeration host computer 8 stopped the operation of ice-reserving operating mode.In the electric power peak period, cold accumulation system 4 moves simultaneously with refrigeration host computer 8, has reduced the energy consumption of original refrigeration host computer 8 separate refrigeration, simultaneously can be according to the difference of refrigeration duty, and cold accumulation system 4 is independently born refrigeration work, for system provides chilled water.
In addition, this system also can link together with above-mentioned weather compensation energy-saving control system 3.Promptly for the refrigeration system that cold accumulation system 4 is arranged, weather compensation energy-saving control system 3 can be adjusted the operational mode that cold accumulation system is respectively used operating mode, gives terminal 2 stable supply water temperature is provided under most economical situation.
The method of operation to this cold-supplying energy-saving integral system is described below:
At first, low-temperature receiver provides cold, cooling is given the user.
Then, weather compensation energy-saving control system 3 communicate by letter with refrigeration host computer 8, the information of reading is analyzed, and makes up building cold consumption models, adjusts refrigerating capacity and builds the cold coefficient correlation.
Generate accounting temperature according to the outdoor temperature of gathering, indoor temperature and pipe temperature,, reach the real-time adjusting of supply water temperature by coolant pump 5, refrigerating water pump 6 and refrigeration host computer 8 are regulated in real time.
Cold accumulation system 4 makes full use of low-price electricity operation ice making at the electric power low-valley interval, and in the flat peak of electricity price period or electric power peak period, refrigeration duty is provided separately by cold accumulation system 4 or provided jointly by cold accumulation system 4 and refrigeration host computer 8, reduces the systematic electricity operating cost.
The cold-supplying energy-saving integral system is implemented in whole or in part flexibly according to actual project situation.
With existing cold supply system relatively, advantage of the present invention is: system's low-temperature receiver uses environment-friendly energy-saving technology, control technology, can a whole set ofly implement, and also can select part to implement according to concrete engineering.The cold-supplying energy-saving integral system has adopted the high-quality low-temperature receiver; solved peak times of power consumption energy crisis problem simultaneously; the introducing of weather compensation has improved the cold efficiency of using of original cold supply system, has increased the security and the stability of system's operation simultaneously, has realized social benefit energy-conservation, that lower consumption, reduce discharging.
Though described the principle of the present invention and the specific embodiment above; but; under above-mentioned instruction of the present invention, those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description, and these improvement or distortion drop in protection scope of the present invention.It will be understood by those skilled in the art that top specific descriptions just in order to explain purpose of the present invention, are not to be used to limit the present invention.Protection scope of the present invention is limited by claim and equivalent thereof.
Claims (7)
1. cold-supplying energy-saving integral system comprises: low-temperature receiver and end, be connected with coolant pump between low-temperature receiver and the end, and described low-temperature receiver comprises, getting can end, refrigeration host computer and be arranged on wherein refrigerating water pump; It is characterized in that, described system also is provided with weather compensation energy-saving control system, described weather compensation energy-saving control system connects refrigerating water pump, coolant pump and refrigeration host computer, weather compensation energy-saving control system is according to outdoor temperature, outside humidity, user's temperature of gathering, calculate the refrigeration host computer supply water temperature, refrigerating water pump, coolant pump and refrigeration host computer are realized the real-time adjusting of supply water temperature.
2. cold-supplying energy-saving integral system according to claim 1 is characterized in that, also is provided with cold accumulation system, and described cold accumulation system connects above-mentioned low-temperature receiver and weather compensation energy-saving control system.
3. cold-supplying energy-saving integral system according to claim 1 and 2 is characterized in that, described getting can be held the cooling refrigerant medium of choosing one of soil or underground water or sewage or rivers water or common cold water.
4. cold-supplying energy-saving integral system according to claim 1 and 2 is characterized in that, described end is fan coil or new blower fan group or capillary network.
5. cold-supplying energy-saving integral system according to claim 1 and 2 is characterized in that, described low-temperature receiver is earth-source hot-pump system or water source heat pump system or water-cooled unit.
6. cold-supplying energy-saving integral system according to claim 1 and 2 is characterized in that, described cold accumulation system is ice-storage system or chilled water storage system.
7. cold-supplying energy-saving integral system according to claim 6 is characterized in that, described cold accumulation system is stored by the form of refrigeration host computer with ice or water in the operation of electric power low-valley interval; In the flat peak of electricity price period or electric power peak period, cold accumulation system provides separately or provides low-temperature receiver to terminal temperature difference jointly by cold accumulation system and refrigeration host computer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010511057XA CN102042647A (en) | 2010-10-15 | 2010-10-15 | Cold supply energy-saving integrated system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010511057XA CN102042647A (en) | 2010-10-15 | 2010-10-15 | Cold supply energy-saving integrated system |
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| CN102042647A true CN102042647A (en) | 2011-05-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841298A (en) * | 2016-03-30 | 2016-08-10 | 广东美的制冷设备有限公司 | Control method used for air conditioner and air conditioner |
| WO2016165279A1 (en) * | 2015-04-17 | 2016-10-20 | 北京百度网讯科技有限公司 | Water side natural cooling system and water side natural cooling method |
| CN107917503A (en) * | 2017-11-13 | 2018-04-17 | 广东美的制冷设备有限公司 | Solar air conditioner control method and solar air conditioner |
| CN108224648A (en) * | 2018-03-23 | 2018-06-29 | 绵阳纽伦科技有限公司 | A kind of capillary network air-conditioning system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201059715Y (en) * | 2007-07-06 | 2008-05-14 | 北京时代嘉华环境控制科技有限公司 | Central air-conditioning freezing stations quality regulating control system |
-
2010
- 2010-10-15 CN CN201010511057XA patent/CN102042647A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201059715Y (en) * | 2007-07-06 | 2008-05-14 | 北京时代嘉华环境控制科技有限公司 | Central air-conditioning freezing stations quality regulating control system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016165279A1 (en) * | 2015-04-17 | 2016-10-20 | 北京百度网讯科技有限公司 | Water side natural cooling system and water side natural cooling method |
| CN105841298A (en) * | 2016-03-30 | 2016-08-10 | 广东美的制冷设备有限公司 | Control method used for air conditioner and air conditioner |
| CN107917503A (en) * | 2017-11-13 | 2018-04-17 | 广东美的制冷设备有限公司 | Solar air conditioner control method and solar air conditioner |
| CN108224648A (en) * | 2018-03-23 | 2018-06-29 | 绵阳纽伦科技有限公司 | A kind of capillary network air-conditioning system |
| CN108224648B (en) * | 2018-03-23 | 2024-04-16 | 绵阳纽伦科技有限公司 | Capillary network radiation air conditioning system |
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Application publication date: 20110504 |