CN117213024A - Energy-saving device of chilled water pump set - Google Patents
Energy-saving device of chilled water pump set Download PDFInfo
- Publication number
- CN117213024A CN117213024A CN202311184059.6A CN202311184059A CN117213024A CN 117213024 A CN117213024 A CN 117213024A CN 202311184059 A CN202311184059 A CN 202311184059A CN 117213024 A CN117213024 A CN 117213024A
- Authority
- CN
- China
- Prior art keywords
- machine
- extension
- unit
- monitoring
- extension machine
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 238000012544 monitoring process Methods 0.000 claims abstract description 47
- 239000003507 refrigerant Substances 0.000 claims abstract description 10
- 238000005057 refrigeration Methods 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 239000000498 cooling water Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 15
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 238000004378 air conditioning Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
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
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The application discloses an energy-saving device of a chilled water pump set, which comprises a refrigerating host and a control system, wherein the refrigerating host comprises a main machine and an extension machine, the control system controls the main machine and the extension machine, the extension machine is provided with a plurality of groups, each group of extension machines is connected with the main machine through a water pipe, a valve is arranged in a water pipe, the main machine and the extension machine are internally provided with a cold storage machine, the cold storage machine internally stores a refrigerant, the extension machine comprises an idle extension machine and a busy extension machine, the idle extension machine is connected with the busy extension machine through a water pipe, the idle extension machine transmits the stored cold energy to the busy extension machine through the water pipe when busy, and the control system comprises a monitoring module, an adjusting module and the like; according to the application, the refrigerating host is set as the main machine and the extension machine, and the control system is used for controlling the main machine and the extension machine, so that the refrigerating host can be operated in a high-efficiency area at all times, and is not required to be operated in a low-efficiency area at low load, thereby reducing switching energy consumption and operation energy consumption, improving the energy efficiency of an air conditioner and realizing energy conservation.
Description
Technical Field
The application relates to the technical field of chillers, in particular to an energy-saving device for a chilled water pump set.
Background
The existing central air conditioning system is designed according to the maximum load, and a certain margin is reserved. Conventionally, at part load (particularly below 60% load) the system will operate in the low efficiency region and then at high load the system will switch from the low efficiency region to the high efficiency region operation, requiring a higher energy consumption for the switching process. The main consumer of central air conditioning computer lab includes: the refrigerating host machine, the chilled water pump, the cooling water pump and the cooling tower, wherein more than 60% of energy consumption is energy consumption of the refrigerating host machine. The optimal state is to enable the four electric equipment to operate in a high-efficiency area under different load states so as to improve the energy efficiency COP of the comprehensive system of the machine room. The most important is to improve the energy efficiency of the air conditioner host. However, the current air conditioner host energy cannot always be kept in an efficient area to operate, and often needs to be switched from a low-efficiency area to an efficient area to operate, so that switching energy consumption is continuously increased, energy conservation cannot be realized, and resources are wasted.
Disclosure of Invention
The application provides an energy-saving device for a chilled water pump set, which aims to solve the technical problems.
The technical scheme of the application is realized as follows:
the refrigerating host comprises a main machine and an extension machine, the control system controls the main machine and the extension machine, the extension machine is provided with a plurality of groups, each group of extension machine is connected with the main machine through a water pipe, a valve is installed in the water pipe, a cold storage machine is installed in the main machine and the extension machine, a refrigerant is stored in the cold storage machine, the extension machine comprises an idle extension machine and a busy extension machine, the idle extension machine is connected with the busy extension machine through a water pipe, and the idle extension machine transmits the stored cold to the busy extension machine through the water pipe when busy;
the control system comprises a monitoring module, a recording module, an adjusting module and a cold storage module,
the monitoring module is used for monitoring the working states of the switchboard and the extension machines, and the monitoring parameters comprise temperature data and electric quantity data;
the recording module is used for recording the monitoring data and forming a load change model of the switchboard and the extension machine;
the adjusting module is used for adjusting the cold energy distribution between the switchboard and the extension machine according to the monitoring data and the load change model;
and the cold storage module is used for reasonably storing cold energy by utilizing the cold storage machines in the switchboard and the extension machine.
Preferably, the cold storage machine comprises a repeater, a water chilling unit, an ice bank and a cooling tower group, wherein the cold storage machine is connected with a refrigerating host through the repeater, an evaporator is installed in the ice bank, one end of the repeater is connected with one end of the water chilling unit through a pipeline, the other end of the repeater is connected with one end of the ice bank through a pipeline, the other end of the water chilling unit is connected with the evaporator through a pipeline, the other end of the water chilling unit is connected with the cooling tower group through a pipeline, one end of the ice bank is connected with one end of a heat exchanger through a pipeline, and the other end of the heat exchanger is connected with a pipeline between the repeater and the refrigerating host.
Preferably, the water chiller comprises a compressor and a condenser, wherein one end of the compressor is connected with the repeater through a pipeline, the other end of the compressor is connected with one end of the condenser through a pipeline, and the other end of the condenser is connected with the evaporator through a pipeline.
Preferably, a chilled water pump is installed in the pipeline between the refrigeration host and the repeater, and a cooling water pump is installed in the pipeline between the condenser and the cooling tower group.
Preferably, the monitoring module comprises a switchboard monitoring unit and an extension monitoring unit;
the switchboard monitoring unit is used for monitoring working parameters of the switchboard;
the extension monitoring unit is used for monitoring working parameters of the idle extension and the busy extension.
Preferably, the recording module comprises a recording unit and a model generating unit;
the recording unit is used for recording the monitoring data in the monitoring module;
the model generating unit is used for respectively generating load change models of the switchboard and the extension machine according to the history data of the switchboard and the extension machine recorded by the recording unit.
Preferably, the regulating module comprises a cold quantity regulating unit and a valve regulating unit;
the cold quantity adjusting unit is used for adjusting the stored cold quantity;
the valve adjusting unit is used for adjusting the cold energy transmission between the switchboard and the extension machine.
Preferably, the cold storage module comprises a conversion unit and a storage unit;
the conversion unit is used for converting the refrigerant into cold air;
the storage unit is used for receiving and storing the refrigerant.
Compared with the prior art, the application has the beneficial effects that:
the application sets the refrigerating host as the main machine and the extension machine, and controls the main machine and the extension machine through the control system, so that the refrigerating host can be operated in the high-efficiency area at all times, and is not required to be lowered to the low-efficiency area to operate in low load, thereby saving the switching energy consumption between the low-efficiency area and the high-efficiency area, reducing the operation energy consumption, improving the air-conditioning energy efficiency and realizing the energy saving.
Drawings
FIG. 1 is a schematic illustration of an economizer of a chilled water pump set of the present application;
FIG. 2 is a schematic diagram of a chilled water pump assembly economizer according to the present application;
FIG. 3 is a system block diagram of an economizer of the chilled water pump assembly of the present application.
1-a refrigeration host; 2-a switchboard; 3-extension; 4-water pipes; 5-valve; 6-a cold storage machine; 7-an extension; 8-busy hour extension; 9-a repeater; 10-a chilled water pump; 11-a water chilling unit; 12-a heat exchanger; 13-an ice bank; 14-cooling tower groups; 15-a cooling water pump; a 16-compressor; 17-an evaporator; 18-condenser.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus consistent with some aspects of the disclosure as detailed in the accompanying claims.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1-3, the application provides an energy-saving device of a chilled water pump set, which comprises a refrigerating host 1 and a control system, wherein the refrigerating host 1 comprises a main machine 2 and an extension machine 3, the control system controls the main machine 2 and the extension machine 3, the extension machine 3 is provided with a plurality of groups, each group of extension machines 3 is connected with the main machine 2 through a water pipe 4, a valve 5 is installed in the water pipe 4, a cold storage machine 6 is installed in the main machine 2 and the extension machine 3, a refrigerant is stored in the cold storage machine 6, the extension machine 3 comprises an idle extension machine 7 and a busy extension machine 8, and the idle extension machine 7 transmits the stored cold to the busy extension machine 8 in busy hours through the water pipe 4.
When the system is in an idle state, namely the load is low, the control system controls the switchboard 2 and the extension machine 3 to store more cold energy; when the system is in a busy state, namely when the load is high, the control system distributes the cold output of the switchboard 2 and the extension machine 3, wherein the control system comprises opening the valve 5 of the connecting water pipe 4 of the idle extension machine 7, and transmitting cold to the switchboard 2 with high load or the busy extension machine 8 by using the idle extension machine 7, thereby improving the cold utilization rate, enabling the refrigeration host 1 to always keep the operation in an efficient area, and not needing to be reduced to the operation in a low-efficiency area when the load is low, and improving the energy efficiency of the air conditioner.
In the prior art, in a common period of one day, the busy time interval of the high-efficiency area is 9am-9pm, the idle time interval of the low-efficiency area is 9pm-9am, the average operating power in busy time is taken as X, the average operating power in idle time is Y, the switching energy consumption between the high-efficiency area and the low-efficiency area is A, and the required operating energy in one day is 12X+12Y+A.
If the energy of the high-efficiency area (12 h) is 12x+a, the energy of the low-efficiency area (12 h) is 12y-a, and the 12x+a=12y-a is made to obtain a=6 (Y-X), that is, all hosts operate with the same power in one day no matter the efficiency is high or low, and the required operation energy in one day is 12x+12y. Description: the efficiency of the application refers to the ratio of the refrigerating capacity to the power consumption under a certain load, and the larger the load is, the higher the refrigerating capacity and the power consumption are, the more in a high-efficiency area (the larger the ratio is), the smaller the load is, the lower the refrigerating capacity and the power consumption are, and the more in a low-efficiency area (the smaller the ratio is).
Under the action of the application, the refrigerating host always keeps running at constant middle power in a period of one day, and the switching between the high-efficiency area and the low-efficiency area is not needed, so that the switching energy consumption A can be omitted, and the running energy consumption is reduced, so that the application can ensure that the refrigerating host always runs in the high-efficiency area and can achieve the purposes of low running power consumption, high air-conditioning energy efficiency and energy conservation; and the low-efficiency idle time extension machine is used for converting the multi-consumption energy A into cold energy for storage, and the cold energy is compensated to the high-efficiency busy time extension machine through a water pipe when needed, so that the cold energy supply and refrigeration effect of the high-efficiency busy time extension machine are ensured. Of course, the consumed a is not only converted into the refrigerating capacity, but also used for providing the water pump to operate so that the part of the refrigerating capacity (the refrigerating capacity of the ice storage chamber) moves to the busy hour extension, and the part of the energy consumption is relatively less than the refrigerating capacity, and the supply of the refrigerating capacity of the busy hour extension is not obviously influenced.
The control system comprises a monitoring module, a recording module, an adjusting module and a cold storage module;
the monitoring module is used for monitoring the working states of the switchboard 2 and the extension machine 3, monitoring parameters comprise temperature data, electric quantity data and the like, judging the load high-low state of the refrigeration host machine 1 and adopting various sensors;
the recording module is used for recording the monitoring data and forming load change models of the switchboard 2 and the extension machine 3;
the adjusting module is used for adjusting the cold energy distribution between the switchboard 2 and the extension machine 3 according to the monitoring data and the load change model;
the cold storage module is used for reasonably storing cold energy by utilizing the cold storage machines 6 in the switchboard 2 and the extension machine 3.
The control system monitors the working states of the switchboard 2, the idle extension 7 and the busy extension 8 by using the monitoring module, judges the load states of the switchboard 2, the idle extension 7 and the busy extension 8, records historical data by using the recording module, thereby forming a load change model, primarily adjusting the cold quantity among the switchboard 2, the idle extension 7 and the busy extension 8 according to the model, further adjusting according to the parameters monitored in real time, and adjusting the start and stop of the valve 5 by using the adjusting module so as to realize cold quantity adjustment. The intelligent regulation of the refrigeration host 1 is realized through the control system, and the reduction of the operation energy consumption and the energy saving are realized.
Further, as shown in fig. 2, the cold storage machine 6 includes a repeater 9, a water chiller 11, an ice bank 13 and a cooling tower set 14, the cold storage machine 6 is connected with the refrigerating host 1 through a pipeline of the repeater 9, an evaporator 17 is installed inside the ice bank 13, one end of the repeater 9 is connected with one end of the water chiller 11 through a pipeline, the other end of the repeater 9 is connected with one end of the ice bank 13 through a pipeline, the other end of the water chiller 11 is connected with the evaporator 17 through a pipeline, the other end of the water chiller 11 is connected with the cooling tower set 14 through a pipeline, the other end of the ice bank 13 is connected with one end of the heat exchanger 12 through a pipeline, and the other end of the heat exchanger 12 is connected with a pipeline between the repeater 9 and the refrigerating host 1.
The water chiller 11 comprises a compressor 16 and a condenser 18, one end of the compressor 16 is connected with the repeater 9 through a pipeline, the other end of the compressor 16 is connected with one end of the condenser 18 through a pipeline, the other end of the condenser 18 is connected with an evaporator 17 through a pipeline, and the evaporator 17 is arranged inside the ice bank 13.
A chilled water pump 10 is installed in the pipeline between the refrigeration host 1 and the relay 9, and a cooling water pump 15 is installed in the pipeline between the condenser 18 and the cooling tower group 14.
The compressor 16 compresses the heat flow in the refrigeration host 1 into high-pressure gas, the condenser 18 condenses and liquefies the high-pressure gas into low-temperature low-pressure liquid, and heat emitted in the liquefaction process is exchanged through the heat exchange tubes of the cooling tower set 14 to the cooling tower set 14 for cooling.
Then flows into the evaporator 17 in the ice bank 13, the evaporator 17 gasifies the low-temperature low-pressure liquid, the gasification absorbs the heat of the ice bank 13, the cool air is stored in the ice bank 13 in the form of ice, and the heat exchanger 12 is responsible for compensating the cool air of the ice bank 13 to the efficient busy hour extension 8 through the heat exchange tube. The energy of refrigeration of the ice blocks in the idle period is utilized to store cold energy, and the cold energy is released in the busy period, so that the electric power requirement can be effectively balanced, the energy efficiency is improved, and the energy saving is realized.
Further, the monitoring module comprises a switchboard monitoring unit and an extension monitoring unit;
the switchboard monitoring unit is used for monitoring working parameters of the switchboard 2;
the extension monitoring unit is used for monitoring working parameters of the idle extension 7 and the busy extension 8.
Further, the recording module comprises a recording unit and a model generating unit;
the recording unit is used for recording the monitoring data in the monitoring module;
the model generating unit is configured to generate load change models of the exchange 2 and the extension 3 according to the history data of the exchange 2 and the extension 3 recorded by the recording unit, respectively.
Further, the regulating module comprises a cold quantity regulating unit and a valve regulating unit;
the cold quantity adjusting unit is used for adjusting the stored cold quantity;
the valve adjusting unit is used for adjusting the cold energy transmission between the switchboard 2 and the extension machine 3.
Further, the cold storage module comprises a conversion unit and a storage unit;
the conversion unit is used for converting the refrigerant into cold air;
the storage unit is used for receiving and storing the refrigerant.
According to the embodiment of the application, the refrigerating host 1 is arranged as the switchboard 2 and the extension machine 3, and the control system is used for controlling the switchboard 2 and the extension machine 3, so that the cold energy distribution between the switchboard 2 and the extension machine 3 can be regulated, the refrigerating host 1 always operates in a high-efficiency area, and does not need to be reduced to operate in a low-efficiency area when in low load, thereby avoiding switching energy consumption A, reducing operation energy consumption, improving air-conditioning energy efficiency and realizing energy conservation.
The foregoing examples are illustrative only and serve to explain some features of the method of the application. The appended claims are intended to claim the broadest possible scope and the embodiments presented herein are merely illustrative of selected implementations based on combinations of all possible embodiments. It is, therefore, not the intention of the applicant that the appended claims be limited by the choice of examples illustrating the features of the application. Some numerical ranges used in the claims also include sub-ranges within which variations in these ranges should also be construed as being covered by the appended claims where possible.
Claims (8)
1. The utility model provides a frozen water pump group economizer which characterized in that: the refrigeration system comprises a refrigeration host (1) and a control system, wherein the refrigeration host (1) comprises a main machine (2) and an extension machine (3), the control system controls the main machine (2) and the extension machine (3), the extension machine (3) is provided with a plurality of groups, each group of extension machines (3) is connected with the main machine (2) through a water pipe (4), a valve (5) is arranged in the water pipe (4), a cold storage machine (6) is arranged in the main machine (2) and the extension machine (3), a refrigerant is stored in the cold storage machine (6), the extension machine (3) comprises an idle extension machine (7) and a busy extension machine (8), the idle extension machine (7) is connected with the busy extension machine (8) through the water pipe (4), and the idle extension machine (7) transmits the stored cold to the busy extension machine (8) through the water pipe (4) in busy time.
The control system comprises a monitoring module, a recording module, an adjusting module and a cold storage module,
the monitoring module is used for monitoring the working states of the switchboard (2) and the extension machine (3), and the monitoring parameters comprise temperature data and electric quantity data;
the recording module is used for recording the monitoring data and forming load change models of the switchboard (2) and the extension machine (3);
the adjusting module is used for adjusting the cold energy distribution between the switchboard (2) and the extension machine (3) according to the monitoring data and the load change model;
the cold storage module is used for reasonably storing cold energy by utilizing the cold storage machines (6) in the switchboard (2) and the extension machine (3).
2. The chilled water pump assembly economizer of claim 1 wherein: the utility model provides a cold storage machine (6) includes repeater (9), cooling water set (11), ice bank (13) and cooling tower group (14), cold storage machine (6) are through repeater (9) and refrigeration host (1) pipe connection, ice bank (13) internally mounted has evaporimeter (17), repeater (9) one end is through pipe connection cooling water set (11) one end, the repeater (9) other end is through pipe connection ice bank (13) one end, cooling water set (11) other end and evaporimeter (17) pipe connection, cooling water set (11) other end still with cooling tower group (14) pipe connection, the ice bank (13) other end has heat exchanger (12) one end through pipe connection, the heat exchanger (12) other end with the pipe connection between repeater (9) and refrigeration host (1).
3. The chilled water pump assembly economizer of claim 1 wherein: the water chilling unit (11) comprises a compressor (16) and a condenser (18), one end of the compressor (16) is connected with the repeater (9) through a pipeline, the other end of the compressor (16) is connected with one end of the condenser (18) through a pipeline, and the other end of the condenser (18) is connected with the evaporator (17) through a pipeline.
4. The chilled water pump assembly economizer of claim 1 wherein: a chilled water pump (10) is arranged in a pipeline between the refrigeration host (1) and the repeater (9), and a cooling water pump (15) is arranged in a pipeline between the condenser (18) and the cooling tower group (14).
5. The chilled water pump assembly economizer of claim 1 wherein: the monitoring module comprises a switchboard monitoring unit and an extension monitoring unit;
the switchboard monitoring unit is used for monitoring the working parameters of the switchboard (2);
the extension monitoring unit is used for monitoring working parameters of the idle extension (7) and the busy extension (8).
6. The chilled water pump assembly economizer of claim 1 wherein: the recording module comprises a recording unit and a model generating unit;
the recording unit is used for recording the monitoring data in the monitoring module;
the model generation unit is used for respectively generating load change models of the switchboard (2) and the extension machine (3) according to the history data of the switchboard (2) and the extension machine (3) recorded by the recording unit.
7. The chilled water pump assembly economizer of claim 1 wherein: the regulating module comprises a cold quantity regulating unit and a valve regulating unit;
the cold quantity adjusting unit is used for adjusting the stored cold quantity;
the valve adjusting unit is used for adjusting cold energy transmission between the main unit (2) and the extension unit (3) and improving energy efficiency of the air conditioner refrigerating host (1).
8. The chilled water pump assembly economizer of claim 1 wherein: the cold storage module comprises a conversion unit and a storage unit;
the conversion unit is used for converting the refrigerant into cold air;
the storage unit is used for receiving and storing the refrigerant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311184059.6A CN117213024B (en) | 2023-09-13 | 2023-09-13 | Energy-saving device of chilled water pump set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311184059.6A CN117213024B (en) | 2023-09-13 | 2023-09-13 | Energy-saving device of chilled water pump set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117213024A true CN117213024A (en) | 2023-12-12 |
| CN117213024B CN117213024B (en) | 2024-04-05 |
Family
ID=89040137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311184059.6A Active CN117213024B (en) | 2023-09-13 | 2023-09-13 | Energy-saving device of chilled water pump set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117213024B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11281169A (en) * | 1998-03-31 | 1999-10-15 | Sanyo Electric Co Ltd | Ice heat storage system |
| JP2002243216A (en) * | 2001-02-19 | 2002-08-28 | Takasago Thermal Eng Co Ltd | Dynamic ice heat storage system and method for operating it and method for prediction |
| CN105240917A (en) * | 2015-11-05 | 2016-01-13 | 中国建筑西南设计研究院有限公司 | Direct type solar heating system for multiple groups of heat storage water tanks and control method for direct type solar heating system |
| CN110895013A (en) * | 2019-11-11 | 2020-03-20 | 珠海格力电器股份有限公司 | Control method and device of water multi-connected system, storage medium and water multi-connected system |
| CN112082322A (en) * | 2020-09-17 | 2020-12-15 | 长虹美菱股份有限公司 | Refrigerator operation method for optimizing refrigeration by time interval based on busy or idle attribute |
| CN112594904A (en) * | 2020-12-16 | 2021-04-02 | 紫泉能源技术股份有限公司 | Energy-saving optimization control system of refrigeration station |
| CN112628900A (en) * | 2021-01-21 | 2021-04-09 | 中国建筑西北设计研究院有限公司 | Regional cooling system based on partitioned energy source station |
| CN116379588A (en) * | 2023-04-08 | 2023-07-04 | 广州施杰节能科技有限公司 | Cold water main machine load distribution optimizing and adjusting method and system thereof |
-
2023
- 2023-09-13 CN CN202311184059.6A patent/CN117213024B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11281169A (en) * | 1998-03-31 | 1999-10-15 | Sanyo Electric Co Ltd | Ice heat storage system |
| JP2002243216A (en) * | 2001-02-19 | 2002-08-28 | Takasago Thermal Eng Co Ltd | Dynamic ice heat storage system and method for operating it and method for prediction |
| CN105240917A (en) * | 2015-11-05 | 2016-01-13 | 中国建筑西南设计研究院有限公司 | Direct type solar heating system for multiple groups of heat storage water tanks and control method for direct type solar heating system |
| CN110895013A (en) * | 2019-11-11 | 2020-03-20 | 珠海格力电器股份有限公司 | Control method and device of water multi-connected system, storage medium and water multi-connected system |
| CN112082322A (en) * | 2020-09-17 | 2020-12-15 | 长虹美菱股份有限公司 | Refrigerator operation method for optimizing refrigeration by time interval based on busy or idle attribute |
| CN112594904A (en) * | 2020-12-16 | 2021-04-02 | 紫泉能源技术股份有限公司 | Energy-saving optimization control system of refrigeration station |
| CN112628900A (en) * | 2021-01-21 | 2021-04-09 | 中国建筑西北设计研究院有限公司 | Regional cooling system based on partitioned energy source station |
| CN116379588A (en) * | 2023-04-08 | 2023-07-04 | 广州施杰节能科技有限公司 | Cold water main machine load distribution optimizing and adjusting method and system thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117213024B (en) | 2024-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210197600U (en) | Secondary pump variable flow chilled water system with energy storage device | |
| CN202216364U (en) | Intelligent network energy-saving control system for central air conditioner | |
| CN110131816B (en) | Auxiliary machinery refrigerated water side evaporative cooling system | |
| CN210840466U (en) | Data center air cooling cold source natural cooling system | |
| CN216123342U (en) | Data center mixes cold source economizer system | |
| CN102384551B (en) | External-ice-melting-type ice cold storage refrigerating system and refrigerating method thereof | |
| CN107819140B (en) | All-vanadium redox flow battery system and cooling method thereof | |
| CN207350607U (en) | A kind of ice-storage air-conditioning structure | |
| CN117213024B (en) | Energy-saving device of chilled water pump set | |
| CN104776524A (en) | Multi-connected refrigerating system with natural cooling function, and control method thereof | |
| CN112856634A (en) | Control method, device, controller and system of ice storage air conditioning system | |
| CN115235052B (en) | Automatic adjusting control system of water chiller | |
| CN202648023U (en) | Integrated ice storage machine set and ice storage air condition | |
| CN212109083U (en) | Air conditioning system | |
| CN211084939U (en) | High-energy-efficiency power station natural cooling control system | |
| CN204534926U (en) | Multi-connection refrigeration system | |
| CN215570814U (en) | Split type medical cooling air conditioning unit | |
| CN106765782B (en) | Wine cellar air conditioning system applying solar energy and geothermal energy jointly | |
| CN201259287Y (en) | Cold storage air conditioner system for enhancing cold-storage density | |
| CN217635989U (en) | Ground source heat pump central air conditioning economizer system | |
| CN204574320U (en) | With naturally cold multi-connection refrigeration system | |
| CN212299588U (en) | Cold volume reposition of redundant personnel control system of ice cold-storage freezer is directly driven to photovoltaic | |
| CN210153993U (en) | Double-opening and double-closing single-working-condition ice-storage refrigeration air-conditioning system | |
| CN212566361U (en) | Refrigeration system | |
| CN215809003U (en) | Side-storage and side-supply system equipment in air conditioner ice cold storage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |