CN202648063U - Central air-conditioner energy efficiency optimization control and management system - Google Patents
Central air-conditioner energy efficiency optimization control and management system Download PDFInfo
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- CN202648063U CN202648063U CN 201220311094 CN201220311094U CN202648063U CN 202648063 U CN202648063 U CN 202648063U CN 201220311094 CN201220311094 CN 201220311094 CN 201220311094 U CN201220311094 U CN 201220311094U CN 202648063 U CN202648063 U CN 202648063U
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Abstract
The utility model relates to a central air-conditioner system, in particular to a central air-conditioner energy efficiency optimization control and management system. The central air-conditioner energy efficiency optimization control and management system comprises a monitoring device arranged in a monitoring center, and a control device, a data acquisition device, a refrigerating system device, a tail end device and a communication device, wherein the control device, the data acquisition device, the refrigerating system device and the tail end device are arranged in a monitoring spot, and the communication device enables the monitoring center, the control device, the data acquisition device, the refrigerating system device and the tail end device to be in communication connection. The monitoring device is connected with the control device and the data acquisition device through the communication device, and the refrigerating system device, the tail end device and the control device are connected in pairs. The central air-conditioner energy efficiency optimization control and management system applies to energy efficiency optimization of a central air-conditioner.
Description
Technical field
The utility model relates to field of central air-conditioning, is specifically related to the efficiency optimal control management system of central air-conditioning.
Background technology
Along with socioeconomic development, the application scenario of central air conditioner system is more and more.Because the design of central air conditioner system is calculated its maximum cold load by the on-site extreme weather conditions of system and load capacity usually, and come according to this to determine capacity and the quantity of the equipment such as the installed capacity of refrigeration host computer and quantity and corresponding chilled water pump thereof, cooling water pump, cooling tower.And in the actual motion, the situation of maximum cold load every year only appears in central air conditioner system in the extremely short time period, and the actual load of annual most of time is well below design or rated capacity.On the other hand, owing to be subjected to season alternation, weather change, round the clock samsara, use and the impact of the various factors such as production load variations, the load of central air conditioner system then has fluctuations and inconstant characteristics.
Because there are above-mentioned objective circumstances in central air conditioner system, if the equipment methods of operation such as chilled water pump, cooling water pump, cooling tower can't be regulated automatically according to the variation of loading, under traditional higher load condition, move all the time, then will cause system energy consumption too high.And the electromechanical equipments such as water pump, blower fan are in high-speed cruising under traditional state for a long time, and its mechanical wear is more serious, will cause also that energy consumption is large, equipment failure rate increases, the adverse consequences such as shorten service life, maintaining expense height.
At present, the efficiency optimal way of central air conditioner system has: four kinds of cold-producing medium, pump variable frequency, waste heat recovery and ice cold-storages etc.:
1. cold-producing medium is by changing the mode amount of saving energy of handpiece Water Chilling Units cold-producing medium, but this cold-producing medium is expensive, and there is clear in the factory of handpiece Water Chilling Units to the cold-producing medium that its product uses, and does not advise at will changing the cold-producing medium of new varieties;
2. pump variable frequency is according to the install an air conditioner minimizing of terminal freezing water yield requirement of variable-flow, by turning down the pump motor frequency, reduce running current and reach minimizing energy consumption purpose, but this mode is subject to frequency-tuning range to be limit, quantity of circulating water is reduced to a certain degree, not only affect the main frame refrigerating efficiency, even cause protection to shut down;
3. waste heat recovery is to utilize condensation of refrigerant high temperature, reclaims heat, water for heating through heat exchanger, saves the heats cold Water Energy, and this mode need to be applicable to the occasion of supplying hot water, and inapplicable handpiece Water Chilling Units than low exhaust temperature;
4. the ice cold-storage is to realize ice hockey phase transformation absorption and released cold quantity by building cistern, and this mode need be used special unit, needs to change system architecture and increases investment, the central air conditioner system that is not suitable for having built up.
Above-mentioned efficiency optimisation technique is all only transformed for certain part of central air conditioner system, and entire system is not optimized.In addition, even used the technology such as cold-producing medium, pump variable frequency, waste heat recovery and ice cold-storage, the handpiece Water Chilling Units of central air conditioner system usually is in part load condition and moves continuously, and the high energy consumption running status that cooling water pump and cooling tower still need at full capacity the time by unit is moved continuously, thereby the problems referred to above are not still solved at all.
The utility model content
Technical problem to be solved in the utility model is, a kind of central air-conditioning intelligence control device is provided, various operation parameters by the online acquisition central air-conditioning, after by the control and management system parametric data that collects being carried out calculation process, each decentralised control layer is sent the optimal control signal, thereby reach the online operation parameters of dynamically adjusting central air conditioner system, guaranteeing under the prerequisite of terminal refrigeration requirement, make central air conditioner system under any loading condiction, remain efficient operation, reduced to greatest extent the energy consumption of central air-conditioning.
In order to solve the problems of the technologies described above, a kind of central air conditioner energy efficiency optimal control of the utility model management system comprises the watch-dog that is positioned at Surveillance center, the control appliance, data acquisition equipment, refrigeration system equipment, the end-equipment that are positioned at the monitoring scene and the communication apparatus that above-mentioned watch-dog, control appliance, data acquisition equipment, refrigeration system equipment, end-equipment are established a communications link.Described watch-dog is connected with control appliance, data acquisition equipment by communication apparatus, and described refrigeration system equipment, end-equipment are connected in twos with control appliance.
Described watch-dog is responsible for overall monitor and the management of system, comprises operated from a distance control, statistical analysis, data query, report query, warning inquiry etc.
Described control appliance comprises a plurality of DDC controllers, and a plurality of efficiency optimal controllers that link to each other with a plurality of DDC controllers, and described efficiency optimal controller is to be realized by singlechip control chip, is mainly used to receive and carry out the control command of being sent by watch-dog.
Described data acquisition equipment comprises cooling-water temperature sensor, pressure sensor, flowmeter, temperature sensor, humidity sensor, CO at least
2Detector etc.
Described refrigeration system equipment comprises cooling main frame, chilled water pump, cooling water pump, cooling tower and pipeline, and described cooling main frame provides the needed cold/hot water of air conditioning source.Described cooling water pump cooperates pipeline, with the heat delivery of cooling main frame to cooling tower, and with dissipation of heat in air.Described chilled water pump cooperates pipeline, just cools off the chilled water of main frame and carries end-equipment.
Described end-equipment can be fan coil, wind cabinet, assembled air-conditioner unit, new blower fan group etc.Be mainly used to air lower the temperature, humidification, heating, dehumidifying or purification filtering.
Described communication apparatus comprises Ethernet switch, the router of realizing the TCP/IP communication, and the fieldbus of realizing the RS485 communication.
The utility model adopts said structure, various operation parameters by the data acquisition equipment collection site, such as water temperature, pressure, flow, temperature, humidity etc., and by watch-dog and efficiency optimal controller analyzing and processing, each decentralised control layer is sent the optimal control signal, thereby reach the online operational factor of dynamically adjusting central air-conditioning main auxiliary machine system, guaranteeing under the prerequisite of terminal refrigeration requirement, make cooling main frame, chilled water pump, cooling water pump and cooling tower be in efficient duty, thereby effectively solved the problem of background technology.
Description of drawings
Fig. 1 is the structured flowchart of the utility model central air conditioner energy efficiency optimal control management system.
The specific embodiment
Now with the specific embodiment the utility model is further specified by reference to the accompanying drawings.
As a specific embodiment of the present utility model, a kind of central air conditioner energy efficiency optimal control management system comprises the watch-dog 1 that is positioned at Surveillance center, the control appliance 2, data acquisition equipment 3, refrigeration system equipment 4, the end-equipment 5 that are positioned at the monitoring scene and the communication apparatus 6 that above-mentioned watch-dog 1, control appliance 2, data acquisition equipment 3, refrigeration system equipment 4, end-equipment 5 are established a communications link.Watch-dog 1 is connected with control appliance 2, data acquisition equipment 3 by communication apparatus 6, and refrigeration system equipment 4, end-equipment 5 are connected in twos with control appliance 2.
Watch-dog 1 is by Ethernet switch, router, setting up communication with control appliance, data acquisition equipment is connected, main overall monitor and the management of being responsible for system comprises operated from a distance control, statistical analysis, data query, report query, warning inquiry etc.
End-equipment 5 can be fan coil, wind cabinet, assembled air-conditioner unit, new blower fan group etc. consider cost and effect, end-equipment 5 of the present utility model is fan coils.End-equipment 5 be mainly used to air lower the temperature, humidification, heating, dehumidifying or purification filtering.Every kind of end-equipment mainly is comprised of heat exchanger, blower fan, screen pack and casing, during refrigeration, enters heat exchanger and the indoor circulation air carries out heat exchange from the cold water of outside, thereby air themperature is reduced; When heating, enter heat exchanger and the indoor circulation air carries out heat exchange from the hot water of outside, thereby air themperature is raise.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but the those skilled in the art should be understood that; within not breaking away from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection domain of the present utility model.
Claims (7)
1. a central air conditioner energy efficiency optimal control management system is characterized in that: comprise the watch-dog that is positioned at Surveillance center, the control appliance, data acquisition equipment, refrigeration system equipment, the end-equipment that are positioned at the monitoring scene and the communication apparatus that above-mentioned watch-dog, control appliance, data acquisition equipment, refrigeration system equipment, end-equipment are established a communications link;
Described watch-dog connects by communication apparatus and control appliance, data acquisition equipment, and described refrigeration system equipment, end-equipment are connected in twos with control appliance.
2. central air conditioner energy efficiency optimal control management system according to claim 1, it is characterized in that: described control appliance comprises a plurality of DDC controllers, and a plurality of efficiency optimal controllers that link to each other with a plurality of DDC controllers.
3. central air conditioner energy efficiency optimal control management system according to claim 2, it is characterized in that: described efficiency optimal controller is realized by singlechip control chip.
4. central air conditioner energy efficiency optimal control management system according to claim 1, it is characterized in that: described data acquisition equipment comprises cooling-water temperature sensor, pressure sensor, flowmeter, temperature sensor, humidity sensor, CO at least
2Detector.
5. central air conditioner energy efficiency optimal control management system according to claim 1 is characterized in that: described refrigeration system equipment comprises cooling main frame, chilled water pump, cooling water pump, cooling tower and pipeline.
6. central air conditioner energy efficiency optimal control management system according to claim 1 is characterized in that: described end-equipment is fan coil, wind cabinet, assembled air-conditioner unit or new blower fan group.
7. central air conditioner energy efficiency optimal control management system according to claim 1 is characterized in that: described communication apparatus comprises Ethernet switch, the router of realizing the TCP/IP communication, and the fieldbus of realizing the RS485 communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220311094 CN202648063U (en) | 2012-06-29 | 2012-06-29 | Central air-conditioner energy efficiency optimization control and management system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220311094 CN202648063U (en) | 2012-06-29 | 2012-06-29 | Central air-conditioner energy efficiency optimization control and management system |
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| Publication Number | Publication Date |
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| CN202648063U true CN202648063U (en) | 2013-01-02 |
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| CN 201220311094 Expired - Fee Related CN202648063U (en) | 2012-06-29 | 2012-06-29 | Central air-conditioner energy efficiency optimization control and management system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994549A (en) * | 2014-05-23 | 2014-08-20 | 南京师范大学 | Method for adjusting air-conditioner energy efficiency ratio through dry-wet bulb temperature allowance grading |
| CN106052046A (en) * | 2016-07-20 | 2016-10-26 | 珠海格力电器股份有限公司 | Automatic control system for chilled water station of central air conditioner |
| CN106989490A (en) * | 2017-05-11 | 2017-07-28 | 同方节能工程技术有限公司 | A kind of energy-saving control system suitable for subway ventilation air-conditioning |
| CN107642884A (en) * | 2017-09-15 | 2018-01-30 | 贵州宝智达网络科技有限公司 | A kind of central air conditioner energy efficiency management system |
| CN108758966A (en) * | 2018-06-29 | 2018-11-06 | 广州泰阳能源科技有限公司 | A kind of air-conditioning site monitor of combination PLC and cloud service technology |
| TWI644062B (en) * | 2017-06-26 | 2018-12-11 | 群光電能科技股份有限公司 | Adjusting system |
| CN110513833A (en) * | 2019-09-18 | 2019-11-29 | 西华大学 | Building HVAC regulator control system and application method |
| CN111425994A (en) * | 2020-04-09 | 2020-07-17 | 王涛 | Management and control system for optimizing energy consumption of central air conditioner |
-
2012
- 2012-06-29 CN CN 201220311094 patent/CN202648063U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994549A (en) * | 2014-05-23 | 2014-08-20 | 南京师范大学 | Method for adjusting air-conditioner energy efficiency ratio through dry-wet bulb temperature allowance grading |
| CN106052046A (en) * | 2016-07-20 | 2016-10-26 | 珠海格力电器股份有限公司 | Automatic control system for chilled water station of central air conditioner |
| CN106052046B (en) * | 2016-07-20 | 2021-11-23 | 珠海格力电器股份有限公司 | Automatic control system for cold station of central air conditioner |
| CN106989490A (en) * | 2017-05-11 | 2017-07-28 | 同方节能工程技术有限公司 | A kind of energy-saving control system suitable for subway ventilation air-conditioning |
| TWI644062B (en) * | 2017-06-26 | 2018-12-11 | 群光電能科技股份有限公司 | Adjusting system |
| US10718537B2 (en) | 2017-06-26 | 2020-07-21 | Chicony Power Technology Co., Ltd. | Adjusting system and method for an air conditioning chiller |
| CN107642884A (en) * | 2017-09-15 | 2018-01-30 | 贵州宝智达网络科技有限公司 | A kind of central air conditioner energy efficiency management system |
| CN108758966A (en) * | 2018-06-29 | 2018-11-06 | 广州泰阳能源科技有限公司 | A kind of air-conditioning site monitor of combination PLC and cloud service technology |
| CN110513833A (en) * | 2019-09-18 | 2019-11-29 | 西华大学 | Building HVAC regulator control system and application method |
| CN111425994A (en) * | 2020-04-09 | 2020-07-17 | 王涛 | Management and control system for optimizing energy consumption of central air conditioner |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20150629 |
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| EXPY | Termination of patent right or utility model |