CN102062459A - Energy-saving control system of central air conditioner - Google Patents
Energy-saving control system of central air conditioner Download PDFInfo
- Publication number
- CN102062459A CN102062459A CN 201010603339 CN201010603339A CN102062459A CN 102062459 A CN102062459 A CN 102062459A CN 201010603339 CN201010603339 CN 201010603339 CN 201010603339 A CN201010603339 A CN 201010603339A CN 102062459 A CN102062459 A CN 102062459A
- Authority
- CN
- China
- Prior art keywords
- based intelligent
- intelligent control
- energy
- central air
- control system
- 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.)
- Pending
Links
Images
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an energy-saving control system of a central air conditioner, and the energy-saving control system is independently installed on the central air conditioner. The energy-saving control system provided by the invention comprises an intelligent control substation, frequency converters, temperature sensors, a flexible valve, a differential pressure sensor and a flow meter, wherein the frequency converters are respectively installed on a cooling tower, a cooling pump and a refrigerating pump; the temperature sensors are respectively installed on a cooling water outlet pipeline, a cooling water back pipeline, a refrigerating water outlet pipeline and a refrigerating water back pipeline; and the flexible valve, the differential pressure sensor and the flow meter are installed on a refrigerating water circulating loop. The energy-saving control system provided by the invention is additionally installed on a central air-conditioning system, the control course of the energy-saving control system provided by the invention is dependent from the original central air-conditioning system, and comprises multiple frequency converters, the temperature sensors, the differential pressure sensors and the like, wherein the frequency converters for the cooling tower, the cooling pump and the refrigerating pump are arranged according to the actual conditions, has the functions of control, management and energy conservation so that the system is changed according to the load, automatically increases and decreases the amount of equipment, automatically regulates the rotating speed of the equipment and revises the operating parameters, thereby achieving the ideal energy conservation effect, and the total energy conservation rate is about more than 20%.
Description
?
Technical field
The present invention relates to the central air conditioning equipment technical field, be specifically related to a kind of energy-saving central air conditioner system.
?
Background technology
Central air conditioner system is widely used in the various buildings, and it is made up of main frame, indoor set, cooling tower, coolant pump, refrigerating water pump usually, at present, the control mode of cooling tower, coolant pump, refrigerating water pump is mainly contained: one, directly power frequency control; Two, Direct Conversion control; Three, pressure reduction VFC; Four temperature difference VFC; Five, return water temperature control.These control modes adopt the mode of control cooling water flow, chilled-water flow and cooling tower air quantity and main frame Automatic Optimal to realize control and reach energy-saving effect.Wherein first kind is power frequency control, and energy-saving effect is the poorest, and all the other are VFC, and energy-saving effect and control accuracy all have raising.Yet, at present the system that central air-conditioning is carried out Energy Saving Control is that air-conditioning manufacturer produces in advance and is integrated on the central air-conditioning, the shortcoming of this mode is, at first, Energy Saving Control is particular about and is suited measures to local conditions, and the prepackage control system is not ideal enough to the adaptability of environment, makes energy-saving effect have a greatly reduced quality; Secondly, the integrated control system complex structure of tradition, be difficult for making corresponding adjustment with the variation of environment, such as, if the structure of building changes, be difficult to control system is made corresponding change.Though the therefore use of central air-conditioning for environment has brought sizable comfortablely, has improved people's life, yet has also brought huge energy resource consumption simultaneously, and caused very big energy waste for various reasons, has increased operation cost greatly.
?
Summary of the invention
The technical problem to be solved in the present invention is the defective at prior art, and a kind of central air-conditioning energy control system that independently is installed on the central air-conditioning, has automatic intelligent control mode, good energy-conserving effect is provided.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of energy-saving control system of central air-conditioning, and this control system independently is installed on the central air-conditioning, it is characterized in that: comprising:
The Based Intelligent Control substation is as central computer automation control system processing mechanism and execution equipment;
Frequency converter is installed on the cooling tower, and is connected with the Based Intelligent Control substation;
Frequency converter is installed on the coolant pump, and is connected with the Based Intelligent Control substation;
Temperature sensor is installed on the cooling water outlet pipe road, and is connected with the Based Intelligent Control substation;
Temperature sensor is installed on the CWR road, and is connected with the Based Intelligent Control substation;
Temperature sensor is installed on the chilled water outlet pipeline, and is connected with the Based Intelligent Control substation;
Temperature sensor is installed on the chilled water water return pipeline, and is connected with the Based Intelligent Control substation;
Frequency converter is installed on the refrigerating water pump, and is connected with the Based Intelligent Control substation;
Flexible valve is installed between the chilled water outlet pipeline and chilled water water return pipeline in indoor machine wind coiler the place ahead, and the chilled water circulation line is coupled together before entering fan coil;
Differential pressure pickup is connected across the two ends of flexible valve, and is connected with the Based Intelligent Control substation;
Flowmeter is installed on the chilled water closed circuit, and is connected with the Based Intelligent Control substation;
The data back that temperature sensor, differential pressure pickup, flowmeter collect is handled to the Based Intelligent Control substation, the Based Intelligent Control substation sends to corresponding frequency converter with action command after data are handled, and frequency converter is then according to the operation of instruction control corresponding equipment.
Further, the temperature sensor on the CWR road is installed between coolant pump and the main frame.
Further, the temperature sensor on the chilled water outlet pipeline is installed between refrigerating water pump and the main frame.
Further, flowmeter is installed on the chilled water water return pipeline.
Further, main frame is equipped with special-purpose air-conditioner host Based Intelligent Control cabinet, and this air-conditioner host Based Intelligent Control cabinet connects the Based Intelligent Control substation.
Further, refrigerating water pump is equipped with special-purpose refrigerating water pump Based Intelligent Control cabinet, and this refrigerating water pump Based Intelligent Control cabinet connects the Based Intelligent Control substation.
Further, coolant pump is equipped with special-purpose coolant pump Based Intelligent Control cabinet, and this coolant pump Based Intelligent Control cabinet connects the Based Intelligent Control substation.
Further, cooling tower is equipped with special-purpose cooling tower Based Intelligent Control cabinet, and this cooling tower Based Intelligent Control cabinet connects the Based Intelligent Control substation.
Further, the Based Intelligent Control substation also is connected with the remotely controlling computer main frame.
The present invention is installed on the central air conditioner system, its control procedure is independent of former central air conditioner system, comprise some frequency converters, temperature sensor, differential pressure pickup etc., can be according to actual conditions by giving cooling tower respectively, coolant pump, refrigerating water pump is installed frequency converter, and the Based Intelligent Control cabinet that special use is set is controlled it, and with each frequency converter and the concentrated Based Intelligent Control substation that is connected to of each Based Intelligent Control cabinet, special environment for use and energy consumption characteristics at the market central air-conditioning, with computer technology, system integration technology and variable-frequency control technique are integrated in one, and collection control, management, energy-conservation in one, make system can according to the load variation, automatically increase and decrease number of devices and automatic conditioning equipment rotating speed, operational factor is revised, to reach desirable energy-saving effect, overall energy-saving rate is about more than 20%; By intelligent frequency-conversion control, realize soft start, electrical network does not have impact, because of variable-speed operation, can reduce mechanical wear and prolong equipment life 20-30% relatively.
?
Description of drawings
The structural representation that Fig. 1 combines with the central air-conditioning built-in system for the present invention;
Fig. 2 is that the present invention is in conjunction with central air-conditioning overall system control structural representation.
?
The specific embodiment
In the present embodiment, see figures.1.and.2, the energy-saving control system of described central air-conditioning, this control system independently are installed on the central air-conditioning, and central air conditioner system comprises wind cabinet (main frame), indoor set, cooling tower, coolant pump, refrigerating water pump, environment temperature sensor etc.; This air-conditioner host is a handpiece Water Chilling Units, five in the wind cabinet of total 30KW, and cooling tower has three, and every power is 11KW, and refrigerating water pump has three, and every power is 75KW, and refrigerating water pump has three, and every power is 55KW; The condenser of cooling tower and main frame forms cooling water circulation loop, the evaporimeter of main frame and indoor set (two groups of fan coils) form the chilled water closed circuit, coolant pump is installed on the CWR road of cooling water circulation loop, refrigerating water pump is installed on the refrigerating water pump water water return pipeline of chilled water closed circuit, and the flexible valve between the chilled water closed circuit connects the Based Intelligent Control substation.
This energy-saving control system comprises:
The Based Intelligent Control substation is as central computer automation control system processing mechanism and execution equipment;
Frequency converter is installed on the cooling tower, and is connected with the Based Intelligent Control substation;
Frequency converter is installed on the coolant pump, and is connected with the Based Intelligent Control substation;
Temperature sensor is installed on the cooling water outlet pipe road, and is connected with the Based Intelligent Control substation;
Temperature sensor is installed on the CWR road, and is connected with the Based Intelligent Control substation;
Temperature sensor is installed on the chilled water outlet pipeline, and is connected with the Based Intelligent Control substation;
Temperature sensor is installed on the chilled water water return pipeline, and is connected with the Based Intelligent Control substation;
Frequency converter is installed on the refrigerating water pump, and is connected with the Based Intelligent Control substation;
Flexible valve is installed between the chilled water outlet pipeline and chilled water water return pipeline in indoor machine wind coiler the place ahead, and the chilled water circulation line is coupled together before entering fan coil;
Differential pressure pickup is connected across the two ends of flexible valve, and is connected with the Based Intelligent Control substation;
Flowmeter is installed on the chilled water closed circuit, and is connected with the Based Intelligent Control substation;
Handle the data back Based Intelligent Control substation that temperature sensor, differential pressure pickup, flowmeter collect, the Based Intelligent Control substation sends to corresponding frequency converter with action command after data are handled, and frequency converter is then according to instructing the equipment of controlling just to move.
Temperature sensor on the CWR road is installed between coolant pump and the main frame.
Temperature sensor on the chilled water outlet pipeline is installed between refrigerating water pump and the main frame.
Flowmeter is installed on the chilled water water return pipeline.
Five typhoon cabinets are by the wind cabinet Based Intelligent Control cabinet control of a special use, and this wind cabinet Based Intelligent Control cabinet connects the Based Intelligent Control substation.
Three refrigerating water pumps are by the refrigerating water pump Based Intelligent Control cabinet of a special use, and this refrigerating water pump Based Intelligent Control cabinet connects Based Intelligent Control substation.
Three coolant pumps are by the coolant pump Based Intelligent Control cabinet of a special use, and this coolant pump Based Intelligent Control cabinet connects Based Intelligent Control substation.
Three cooling towers are by the cooling tower Based Intelligent Control cabinet of a special use, and this cooling tower Based Intelligent Control cabinet connects Based Intelligent Control substation.
The Based Intelligent Control substation is connected with the remotely controlling computer main frame.
The present invention has following characteristics by the cooperating of each system:
Soft start, electrical network does not have impact, because of variable-speed operation, reduces mechanical wear and prolongs 20%-30% equipment life relatively;
Soft stop does not have impact to pipeline, can effectively eliminate " water hammer effect ";
Intelligent management need not artificial participation, reduces labor intensity, and reduces the operation spending, reduces administrative expenses; Timing monitoring, each operational factor and data all can be gathered real-time and accurately, write down, be preserved, to real time inspection with daily comparative analysis is all very convenient and high efficient and reliable;
Visualized operation, operation interface are very friendly, operate simple and easy; Real-time curve, history curve are simple and clear; Equipment operation condition dynamically shows, as faces the scene;
System is safer, reliable, can be directly in BAS communication, operated from a distance, timing monitoring;
Real-time tracking is dynamically adjusted, and is energy-saving and cost-reducing more than 20%;
Realize management scientification, standardization, intellectuality, economization.
Below the present invention is described in detail, the above only is the present invention's preferred embodiment, when can not limiting the scope of the present invention, promptly allly does impartially to change and modify according to the application's scope, all should still belong in the covering scope of the present invention.
Claims (9)
1. the energy-saving control system of a central air-conditioning, this control system independently is installed on the central air-conditioning, it is characterized in that: comprising:
The Based Intelligent Control substation is as central computer automation control system processing mechanism and execution equipment;
Frequency converter is installed on the cooling tower, and is connected with the Based Intelligent Control substation;
Frequency converter is installed on the coolant pump, and is connected with the Based Intelligent Control substation;
Temperature sensor is installed on the cooling water outlet pipe road, and is connected with the Based Intelligent Control substation;
Temperature sensor is installed on the CWR road, and is connected with the Based Intelligent Control substation;
Temperature sensor is installed on the chilled water outlet pipeline, and is connected with the Based Intelligent Control substation;
Temperature sensor is installed on the chilled water water return pipeline, and is connected with the Based Intelligent Control substation;
Frequency converter is installed on the refrigerating water pump, and is connected with the Based Intelligent Control substation;
Flexible valve is installed between the chilled water outlet pipeline and chilled water water return pipeline in indoor machine wind coiler the place ahead, and the chilled water circulation line is coupled together before entering fan coil;
Differential pressure pickup is connected across the two ends of flexible valve, and is connected with the Based Intelligent Control substation;
Flowmeter is installed on the chilled water closed circuit, and is connected with the Based Intelligent Control substation;
The data back that temperature sensor, differential pressure pickup, flowmeter collect is handled to the Based Intelligent Control substation, the Based Intelligent Control substation sends to corresponding frequency converter with action command after data are handled, and frequency converter is then according to the operation of instruction control corresponding equipment.
2. the energy-saving control system of central air-conditioning according to claim 1, it is characterized in that: the temperature sensor on the CWR road is installed between coolant pump and the main frame.
3. the energy-saving control system of central air-conditioning according to claim 1, it is characterized in that: the temperature sensor on the chilled water outlet pipeline is installed between refrigerating water pump and the main frame.
4. the energy-saving control system of central air-conditioning according to claim 1, it is characterized in that: flowmeter is installed on the chilled water water return pipeline.
5. the energy-saving control system of central air-conditioning according to claim 1 is characterized in that: main frame is equipped with special-purpose air-conditioner host Based Intelligent Control cabinet, and this air-conditioner host Based Intelligent Control cabinet connects Based Intelligent Control substation.
6. the energy-saving control system of central air-conditioning according to claim 1 is characterized in that: refrigerating water pump is equipped with special-purpose refrigerating water pump Based Intelligent Control cabinet, and this refrigerating water pump Based Intelligent Control cabinet connects Based Intelligent Control substation.
7. the energy-saving control system of central air-conditioning according to claim 1 is characterized in that: coolant pump is equipped with special-purpose coolant pump Based Intelligent Control cabinet, and this coolant pump Based Intelligent Control cabinet connects Based Intelligent Control substation.
8. the energy-saving control system of central air-conditioning according to claim 1 is characterized in that: cooling tower is equipped with special-purpose cooling tower Based Intelligent Control cabinet, and this cooling tower Based Intelligent Control cabinet connects Based Intelligent Control substation.
9. the energy-saving control system of central air-conditioning according to claim 1, it is characterized in that: the Based Intelligent Control substation also is connected with the remotely controlling computer main frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010603339 CN102062459A (en) | 2010-12-24 | 2010-12-24 | Energy-saving control system of central air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010603339 CN102062459A (en) | 2010-12-24 | 2010-12-24 | Energy-saving control system of central air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102062459A true CN102062459A (en) | 2011-05-18 |
Family
ID=43997849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010603339 Pending CN102062459A (en) | 2010-12-24 | 2010-12-24 | Energy-saving control system of central air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102062459A (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338448A (en) * | 2011-08-29 | 2012-02-01 | 上海迪普自动化技术有限公司 | High-efficiency energy-saving control system for central air conditioner of large-sized supermarket |
| CN102607146A (en) * | 2012-04-06 | 2012-07-25 | 谭仲禧 | Central air-conditioning system and control method thereof |
| CN102644976A (en) * | 2012-03-28 | 2012-08-22 | 江苏昆山通用电气有限公司 | Central air-conditioning system |
| CN102645006A (en) * | 2012-05-07 | 2012-08-22 | 深圳市捷华深环保节能科技有限公司 | Energy-saving remote control system for central air conditioner and use method thereof |
| CN102878655A (en) * | 2012-11-06 | 2013-01-16 | 安徽日源环保能源科技有限公司 | Central air-conditioning dynamic water temperature control system and control method thereof |
| CN103453620A (en) * | 2013-08-18 | 2013-12-18 | 杭州展德软件技术有限公司 | Air conditioning system based on energy efficiency assessment and optimized control and method thereof |
| CN104976746A (en) * | 2015-04-23 | 2015-10-14 | 李德生 | Heat-dissipating and energy-saving type elliptical pipeline |
| CN105066376A (en) * | 2015-09-07 | 2015-11-18 | 郑州大学综合设计研究院有限公司 | Artificial cold source intelligent control system of building structure |
| CN105135637A (en) * | 2015-09-12 | 2015-12-09 | 褚如圣 | Central air-conditioning energy-saving control system |
| CN105387547A (en) * | 2015-12-15 | 2016-03-09 | 长沙麦融高科股份有限公司 | Multi-source heat-tube energy-saving system and refrigerating method based on multi-source heat tube |
| CN105387546A (en) * | 2015-12-15 | 2016-03-09 | 长沙麦融高科股份有限公司 | Integrated double-source freezing station and refrigerating method |
| CN105757851A (en) * | 2016-03-31 | 2016-07-13 | 深圳市新环能科技有限公司 | Chilled water flow-variable energy-saving control method and system |
| CN106338131A (en) * | 2016-09-30 | 2017-01-18 | 珠海格力电器股份有限公司 | Central air-conditioning system |
| CN106440196A (en) * | 2016-09-22 | 2017-02-22 | 深圳达实智能股份有限公司 | Online variable-frequency control method for cooling water pump of central air conditioner and central air conditioner |
| CN107166682A (en) * | 2017-06-28 | 2017-09-15 | 贵州汇通华城股份有限公司 | A kind of cold source of air conditioning control system based on intelligent module |
| CN107192097A (en) * | 2017-06-06 | 2017-09-22 | 珠海格力电器股份有限公司 | Control method and device for air-conditioning chilled water system |
| CN109855237A (en) * | 2018-12-13 | 2019-06-07 | 湖南普信工程技术有限公司 | A kind of energy-saving control system of air-conditioning |
| CN111365834A (en) * | 2020-03-19 | 2020-07-03 | 广东美的暖通设备有限公司 | Control method of air conditioning system, and computer-readable storage medium |
| CN113432279A (en) * | 2021-06-28 | 2021-09-24 | 广州地铁设计研究院股份有限公司 | Closed cooling tower direct cooling system for subway station |
| CN114198824A (en) * | 2020-09-18 | 2022-03-18 | 广州合一空调设备有限公司 | Special control system for all-in-one machine |
| CN114440419A (en) * | 2021-12-31 | 2022-05-06 | 博锐尚格科技股份有限公司 | Control method, device and equipment for secondary pump system of cold station and storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2472116Y (en) * | 2001-03-20 | 2002-01-16 | 广东省科学院自动化工程研制中心 | Fuzzy control energy saver for central air conditioner |
| CN1375665A (en) * | 2001-03-20 | 2002-10-23 | 广东省科学院自动化工程研制中心 | Intelligent power saving system for central air conditioner |
| CN1415915A (en) * | 2002-08-27 | 2003-05-07 | 贵州华城楼宇科技有限公司 | Self-adapting energy saving control device with variable flux for compression type central conditioner |
| CN1598427A (en) * | 2004-09-09 | 2005-03-23 | 贵州汇诚科技有限公司 | Method for fuzzy expected controlling cold water system of central air conditioner |
| CN101140096A (en) * | 2007-10-18 | 2008-03-12 | 苏州艾隆科技有限公司 | electricity economizer centralized management method and system of central air-conditioning |
| CN201242246Y (en) * | 2008-07-16 | 2009-05-20 | 余国银 | Intelligent energy-saving control system for central air-conditioning |
| CN201637008U (en) * | 2009-09-30 | 2010-11-17 | 陈晓林 | Energy saving control device of central air conditioning |
-
2010
- 2010-12-24 CN CN 201010603339 patent/CN102062459A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2472116Y (en) * | 2001-03-20 | 2002-01-16 | 广东省科学院自动化工程研制中心 | Fuzzy control energy saver for central air conditioner |
| CN1375665A (en) * | 2001-03-20 | 2002-10-23 | 广东省科学院自动化工程研制中心 | Intelligent power saving system for central air conditioner |
| CN1415915A (en) * | 2002-08-27 | 2003-05-07 | 贵州华城楼宇科技有限公司 | Self-adapting energy saving control device with variable flux for compression type central conditioner |
| CN1598427A (en) * | 2004-09-09 | 2005-03-23 | 贵州汇诚科技有限公司 | Method for fuzzy expected controlling cold water system of central air conditioner |
| CN101140096A (en) * | 2007-10-18 | 2008-03-12 | 苏州艾隆科技有限公司 | electricity economizer centralized management method and system of central air-conditioning |
| CN201242246Y (en) * | 2008-07-16 | 2009-05-20 | 余国银 | Intelligent energy-saving control system for central air-conditioning |
| CN201637008U (en) * | 2009-09-30 | 2010-11-17 | 陈晓林 | Energy saving control device of central air conditioning |
Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338448A (en) * | 2011-08-29 | 2012-02-01 | 上海迪普自动化技术有限公司 | High-efficiency energy-saving control system for central air conditioner of large-sized supermarket |
| CN102644976A (en) * | 2012-03-28 | 2012-08-22 | 江苏昆山通用电气有限公司 | Central air-conditioning system |
| CN102607146A (en) * | 2012-04-06 | 2012-07-25 | 谭仲禧 | Central air-conditioning system and control method thereof |
| WO2013149507A1 (en) * | 2012-04-06 | 2013-10-10 | Tan Zhongxi | Central air conditioning system and control method therefor |
| CN102607146B (en) * | 2012-04-06 | 2014-09-10 | 谭仲禧 | Central air-conditioning system and control method thereof |
| US9845983B2 (en) | 2012-04-06 | 2017-12-19 | Zhongxi Tan | Central air-conditioning system and control method thereof |
| CN102645006A (en) * | 2012-05-07 | 2012-08-22 | 深圳市捷华深环保节能科技有限公司 | Energy-saving remote control system for central air conditioner and use method thereof |
| CN102878655A (en) * | 2012-11-06 | 2013-01-16 | 安徽日源环保能源科技有限公司 | Central air-conditioning dynamic water temperature control system and control method thereof |
| CN103453620B (en) * | 2013-08-18 | 2015-12-09 | 杭州展德软件技术有限公司 | Based on efficiency test and appraisal and the air-conditioning system of optimal control and method thereof |
| CN103453620A (en) * | 2013-08-18 | 2013-12-18 | 杭州展德软件技术有限公司 | Air conditioning system based on energy efficiency assessment and optimized control and method thereof |
| CN104976746A (en) * | 2015-04-23 | 2015-10-14 | 李德生 | Heat-dissipating and energy-saving type elliptical pipeline |
| CN105066376A (en) * | 2015-09-07 | 2015-11-18 | 郑州大学综合设计研究院有限公司 | Artificial cold source intelligent control system of building structure |
| CN105135637A (en) * | 2015-09-12 | 2015-12-09 | 褚如圣 | Central air-conditioning energy-saving control system |
| CN105135637B (en) * | 2015-09-12 | 2018-05-11 | 杭州裕达自动化科技有限公司 | Controlling system of central air conditioner |
| CN105387547A (en) * | 2015-12-15 | 2016-03-09 | 长沙麦融高科股份有限公司 | Multi-source heat-tube energy-saving system and refrigerating method based on multi-source heat tube |
| CN105387546A (en) * | 2015-12-15 | 2016-03-09 | 长沙麦融高科股份有限公司 | Integrated double-source freezing station and refrigerating method |
| CN105387547B (en) * | 2015-12-15 | 2018-04-20 | 长沙麦融高科股份有限公司 | A kind of multi-source heat pipe energy-saving system and the refrigerating method based on multi-source heat pipe |
| CN105387546B (en) * | 2015-12-15 | 2018-04-20 | 长沙麦融高科股份有限公司 | A kind of integration double source refrigeration station and refrigerating method |
| CN105757851B (en) * | 2016-03-31 | 2018-10-26 | 深圳市新环能科技有限公司 | A kind of chilled water variable-flow energy-saving control method and control system |
| CN105757851A (en) * | 2016-03-31 | 2016-07-13 | 深圳市新环能科技有限公司 | Chilled water flow-variable energy-saving control method and system |
| CN106440196B (en) * | 2016-09-22 | 2019-05-07 | 深圳达实智能股份有限公司 | Central air-conditioner cooling water pumps online method for controlling frequency conversion and central air-conditioning |
| CN106440196A (en) * | 2016-09-22 | 2017-02-22 | 深圳达实智能股份有限公司 | Online variable-frequency control method for cooling water pump of central air conditioner and central air conditioner |
| CN106338131A (en) * | 2016-09-30 | 2017-01-18 | 珠海格力电器股份有限公司 | Central air-conditioning system |
| CN107192097A (en) * | 2017-06-06 | 2017-09-22 | 珠海格力电器股份有限公司 | Control method and device for air-conditioning chilled water system |
| CN107166682B (en) * | 2017-06-28 | 2018-04-27 | 贵州汇通华城股份有限公司 | A kind of cold source of air conditioning control system based on intelligent module |
| CN107166682A (en) * | 2017-06-28 | 2017-09-15 | 贵州汇通华城股份有限公司 | A kind of cold source of air conditioning control system based on intelligent module |
| CN109855237A (en) * | 2018-12-13 | 2019-06-07 | 湖南普信工程技术有限公司 | A kind of energy-saving control system of air-conditioning |
| CN111365834A (en) * | 2020-03-19 | 2020-07-03 | 广东美的暖通设备有限公司 | Control method of air conditioning system, and computer-readable storage medium |
| CN114198824A (en) * | 2020-09-18 | 2022-03-18 | 广州合一空调设备有限公司 | Special control system for all-in-one machine |
| CN113432279A (en) * | 2021-06-28 | 2021-09-24 | 广州地铁设计研究院股份有限公司 | Closed cooling tower direct cooling system for subway station |
| CN114440419A (en) * | 2021-12-31 | 2022-05-06 | 博锐尚格科技股份有限公司 | Control method, device and equipment for secondary pump system of cold station and storage medium |
| CN114440419B (en) * | 2021-12-31 | 2023-10-27 | 博锐尚格科技股份有限公司 | Control method, device, equipment and storage medium of cold station secondary pump system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102062459A (en) | Energy-saving control system of central air conditioner | |
| CN100523635C (en) | Intelligent cluster control system of central air-conditioning | |
| CN101581491B (en) | Load control energy-saving system of central air conditioning system | |
| CN204730411U (en) | Central air conditioning cooling water system energy-saving controller | |
| CN203869259U (en) | Variable pressure difference control device based on openness of chilled water valve of tail-end air conditioning equipment | |
| CN203810653U (en) | Intelligent fan coiler state monitoring system | |
| CN102374605A (en) | Automatic optimizing energy-saving technology and system for central air-conditioning water system | |
| CN111694388B (en) | Intelligent subway monitoring system and control method | |
| CN108731189B (en) | Central air conditioner continuous tuning system and method | |
| CN201014677Y (en) | Central air-conditioning intelligent group control device | |
| CN109028447A (en) | A kind of air conditioner refrigerating computer room intelligence control system and control method based on cloud computing | |
| CN2802332Y (en) | Digital control energy-saving system of central air conditioner | |
| CN203533800U (en) | Fuzzy control system of central air conditioner | |
| CN203824002U (en) | Optimal control system for comprehensive electricity unit consumption of refrigeration station for central air conditioner | |
| CN202675533U (en) | Intelligent control device for central air conditioner | |
| CN203385145U (en) | Intelligent energy-saving control device based on central air-conditioner | |
| CN203837200U (en) | Central air-conditioner overall energy conservation control device | |
| CN209054741U (en) | A kind of wisdom miniature energy-saving central air conditioning equipment | |
| CN1598426A (en) | Chilled water energy-saving apparatus of cental air conditioner | |
| CN107036231A (en) | Cooling tower intelligent energy-saving control method in central air-conditioning monitoring system | |
| CN208704104U (en) | A kind of unattended equipment room control system of air-conditioning system | |
| CN104566764A (en) | Overall energy saving control device of central air conditioner | |
| CN203533790U (en) | Fuzzy control system of cooling water device of central air conditioner | |
| CN203443258U (en) | Primary pump variable flow control system of refrigeration plant room | |
| CN204373150U (en) | central air-conditioning automatic control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110518 |