CN202338984U - Energy-saving system of central air conditioner - Google Patents
Energy-saving system of central air conditioner Download PDFInfo
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- CN202338984U CN202338984U CN2011205007884U CN201120500788U CN202338984U CN 202338984 U CN202338984 U CN 202338984U CN 2011205007884 U CN2011205007884 U CN 2011205007884U CN 201120500788 U CN201120500788 U CN 201120500788U CN 202338984 U CN202338984 U CN 202338984U
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Abstract
The utility model discloses an energy-saving system of a central air conditioner, which reduces energy consumption cost, improves the energy utilization efficiency and provides a comfortable environment for users. The energy-saving system of the central air conditioner comprises a dynamic temperature control module of a refrigerating machine, a dynamic flow control module of a chilled water pump, a dynamic flow control module of a cooling water pump, a cooling efficiency control module of a refrigeration water tower fan, an environment temperature control module of an air-conditioning wind cabinet, a refrigerant partitioning and time-division flow control module of a pipe network, an operating control module at the tail end of the air conditioner and an electricity-saving optimizing monitoring module arranged on an upper computer, wherein the electricity-saving optimizing monitoring module communicates with the dynamic temperature control module of the refrigerating machine, the dynamic flow control module of the chilled water pump, the dynamic flow control module of the cooling water pump, the cooling efficiency control module of the refrigeration water tower fan, the environment temperature control module of the air-conditioning wind cabinet, the refrigerant partitioning and time-division flow control module of the pipe network and the operating control module at the tail end of the air conditioner by communication modules respectively.
Description
Technical field
The utility model relates to a kind of energy conserving system of central air-conditioning.
Background technology
The operation of central air conditioner system equipment room intercouples and contact each other, and same refrigeration duty demand, system can have various method of operation to satisfy.Optimization routine control is carried out independent control to certain part and equipment, and connecting each other and balance of each equipment room of taking into account system of failing makes energy-saving effect be very limited.Analyze as follows:
(1) the central air conditioner system electricity consumption does not realize real time measure, does not have metering separate, only knows total power consumption, and it is unclear that how many electricity each device systems has used on earth.Do not have the support of data, accurately management and control can't provide the accurate data analysis for electricity consumption and power saving management.
(2) though central air conditioner system has realized central cooling, do not realize the concentrated optimal control of system, just the people is start and stop control.Main frame, water pump, cooling tower, air-conditioning wind cabinet, pipeline be independently control separately, and operational factor does not match, and does not reach the optimal state operation of system, causes the electricity consumption waste;
(3) central air-conditioning cooling matchmaker's temperature can not be adjusted running status with environmental change automatically, and consciousness is artificially regulated, and causes cooling matchmaker's the energy consumption of cold machine itself uneconomical;
(4) the new wind levels of central air-conditioning utilization is not high, does not realize the free refrigeration of natural temperature differential.
(5) energy saving retrofit technology disperses, and does not consider as a whole and is incorporated on the application platform.
The utility model content
For overcoming the defective of prior art, the technical problem that the utility model will solve has provided and has a kind ofly reduced Energy Consumption Cost, improves efficiency of energy utilization, the more energy conserving system of the central air-conditioning of a home from home is provided for the user.
The technical scheme of the utility model is: the energy conserving system of this central air-conditioning; Monitoring module is optimized in the economize on electricity that comprise refrigerator dynamic temperature control module, chilled water pump dynamic flow control module, cooling water pump dynamic flow control module, freezing water tower blower fan cooling effectiveness control module, air-conditioning wind cabinet environment temperature control module, pipe network refrigerant Cell and Time Distribution flow-control module, air conditioning terminal operation control module, is installed in host computer, and economize on electricity is optimized monitoring module and communicated by letter with refrigerator dynamic temperature control module, chilled water pump dynamic flow control module, cooling water pump dynamic flow control module, freezing water tower blower fan cooling effectiveness control module, air-conditioning wind cabinet environment temperature control module, pipe network refrigerant Cell and Time Distribution flow-control module, air conditioning terminal operation control module respectively through communication module.
Process communication modules such as each operational factor of the central air-conditioning through refrigerator dynamic temperature control module, chilled water pump dynamic flow control module, cooling water pump dynamic flow control module, freezing water tower blower fan cooling effectiveness control module, air-conditioning wind cabinet environment temperature control module, pipe network refrigerant Cell and Time Distribution flow-control module, air conditioning terminal operation control module communication collection, natural environment parameter, building parameter are sent to the economize on electricity of host computer and optimize monitoring module; The Optimization result of optimizing after monitoring module is handled through economize on electricity sends to corresponding control module through communication module; Like this central air conditioner system is made the as a whole energy-saving design of carrying out, thereby realized the reduction Energy Consumption Cost, improve efficiency of energy utilization, more a home from home be provided for the user.
Description of drawings
Fig. 1 is the structural representation according to an embodiment of the utility model;
Fig. 2 is the circuit theory diagrams according to the utility model.
The specific embodiment
As shown in Figure 2; The energy conserving system of this central air-conditioning; Monitoring module is optimized in the economize on electricity that comprise refrigerator dynamic temperature control module, chilled water pump dynamic flow control module, cooling water pump dynamic flow control module, freezing water tower blower fan cooling effectiveness control module, air-conditioning wind cabinet environment temperature control module, pipe network refrigerant Cell and Time Distribution flow-control module, air conditioning terminal operation control module, is installed in host computer, and economize on electricity is optimized monitoring module and communicated by letter with refrigerator dynamic temperature control module, chilled water pump dynamic flow control module, cooling water pump dynamic flow control module, freezing water tower blower fan cooling effectiveness control module, air-conditioning wind cabinet environment temperature control module, pipe network refrigerant Cell and Time Distribution flow-control module, air conditioning terminal operation control module respectively through communication module.
Process communication modules such as each operational factor of the central air-conditioning through refrigerator dynamic temperature control module, chilled water pump dynamic flow control module, cooling water pump dynamic flow control module, freezing water tower blower fan cooling effectiveness control module, air-conditioning wind cabinet environment temperature control module, pipe network refrigerant Cell and Time Distribution flow-control module, air conditioning terminal operation control module communication collection, natural environment parameter, building parameter are sent to the economize on electricity of host computer and optimize monitoring module; The Optimization result of optimizing after monitoring module is handled through economize on electricity sends to corresponding control module through communication module; Like this central air conditioner system is done as a wholely to consider, thereby realized the reduction Energy Consumption Cost, improve efficiency of energy utilization, more a home from home be provided for the user.
Preferably; Refrigerator dynamic temperature control module, chilled water pump dynamic flow control module, cooling water pump dynamic flow control module, freezing water tower blower fan cooling effectiveness control module are in the cold station economize on electricity of central air-conditioning cabinet; Air-conditioning wind cabinet environment temperature control module is in central air-conditioning wind cabinet economize on electricity switch board; Pipe network refrigerant Cell and Time Distribution flow-control module is in central air-conditioning pipe network control cabinet, and the air conditioning terminal operation control module is installed in user side.
Preferably; As shown in Figure 1; The cold station economize on electricity of central air-conditioning cabinet links to each other with temperature sensor, pressure sensor, frequency converter, flowmeter; Central air-conditioning wind cabinet economize on electricity switch board links to each other with motor-driven valve, temperature sensor, frequency converter, and central air-conditioning pipe network control cabinet links to each other with flowmeter, motor-driven valve, and user side links to each other with temperature controller, motor-driven valve.
Preferably, refrigerator dynamic temperature control module links to each other with the switch of each refrigerator.
Preferably, pipe network refrigerant Cell and Time Distribution flow-control module links to each other with the switch of each pipeline.
This power saving apparatus is at first according to central operational plan, gathers the indoor and outdoors environment temperature, opens air-conditioning wind cabinet in advance, opens the coil pipe blower fan that new air-valve and each room are not held according to demand; Utilize the natural temperature differential at daytime and night, utilize outdoor natural low temperature air that the nature cooling is carried out in indoor each place, make full use of natural energy resources, carry out record in time started and running time, and the analysis foundation is provided for move next time.
Handpiece Water Chilling Units is under the certain condition of condensation temperature, and the high more chiller efficiency of chilled water leaving water temperature is high more, and leaving water temperature is low more, and freezing efficiency is low more.Early, middle and late in the middle of one day, fine and cloudy environment temperature is different, and there have height to have to be low; When the environment temperature was low, building was less to outdoor heat conduction, at this moment can improve cold machine chilled water leaving water temperature; Improve the efficient of cold machine,, progressively reduce the chilled water leaving water temperature along with the rising of outdoor environment temperature; Strengthen refrigerating capacity, keep indoor and outdoor thermal balance.If any many cold machines, the control that will advance the start quantity of many cold machines simultaneously certainly.
In a building; The different functions subregion is arranged certainly, different working crowd, different working times; Control to the cooling pipeline is necessary; Native system according to circumstances to idle zone, the chilled water pipeline in the zone of working time does not turn-off, and reduces flow loss, and chilled water loss of refrigeration capacity when in pipeline, flowing.
Multiply by the chilled water consumption according to the freezing supply backwater temperature difference of air-conditioning side, calculate the actual consumption cold of air-conditioning side, supply backwater pressure reduction that the branch process control is carried out in chilled water pump optimal control and bypass regulator valve according to chilled water.
The regulative mode of cooling tower is " water distribution uniformity, a fan speed regulation ".No longer change the water distribution of cooling tower, make each cooling tower water distribution uniformity, synchronously change each blower fan of cooling tower rotating speed simultaneously; Regulate water temperature through reducing each cooling tower air quantity equably; Reduce up to outdoor temperature, all blower fan is out of service, and cooling tower changes the gravity-flow ventilation cooling into.If outer temperature continues to descend, then can also through regulating the bypass water yield, keep the water temperature that gets into cold machine through installing by-passing valve between water return pipeline additional in advancing of cooling tower.Analysis shows that this regulative mode has best regulating effect, and under same leaving water temperature condition, the blower fan of cooling tower power consumption is minimum simultaneously.
Air-conditioning wind cabinet energy saving optimizing switch board adopts the variable air volume running pattern; Constant indoor temperature and humidity (representative region return air temperature); Counting chamber outer air enthalpy is regulated new wind and return air throttle opening automatically in real time, realizes operation of air conditioner pattern transformation under the temperature and humidity conditions outside the different chamber; Monitor wind cabinet system wind pushing temperature in real time, regulate the aperture and the wind pushing temperature of chilled water water valve automatically, realize the air-supply of low temperature and constant temperature; Monitoring representative region temperature is regulated the blower fan air output automatically in real time, realizes the requirement of space comfort level.
The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any pro forma restriction; Every technical spirit according to the utility model all still belongs to the protection domain of the utility model technical scheme to any simple modification, equivalent variations and modification that above embodiment did.
Claims (5)
1. the energy conserving system of a central air-conditioning; It is characterized in that: monitoring module is optimized in the economize on electricity that comprise refrigerator dynamic temperature control module, chilled water pump dynamic flow control module, cooling water pump dynamic flow control module, freezing water tower blower fan cooling effectiveness control module, air-conditioning wind cabinet environment temperature control module, pipe network refrigerant Cell and Time Distribution flow-control module, air conditioning terminal operation control module, is installed in host computer, and economize on electricity is optimized monitoring module and communicated by letter with refrigerator dynamic temperature control module, chilled water pump dynamic flow control module, cooling water pump dynamic flow control module, freezing water tower blower fan cooling effectiveness control module, air-conditioning wind cabinet environment temperature control module, pipe network refrigerant Cell and Time Distribution flow-control module, air conditioning terminal operation control module respectively through communication module.
2. the energy conserving system of central air-conditioning according to claim 1; It is characterized in that: refrigerator dynamic temperature control module, chilled water pump dynamic flow control module, cooling water pump dynamic flow control module, freezing water tower blower fan cooling effectiveness control module are in the cold station economize on electricity of central air-conditioning cabinet; Air-conditioning wind cabinet environment temperature control module is in central air-conditioning wind cabinet economize on electricity switch board; Pipe network refrigerant Cell and Time Distribution flow-control module is in central air-conditioning pipe network control cabinet, and the air conditioning terminal operation control module is installed in user side.
3. the energy conserving system of central air-conditioning according to claim 2; It is characterized in that: the cold station economize on electricity of central air-conditioning cabinet links to each other with temperature sensor, pressure sensor, frequency converter, flowmeter; Central air-conditioning wind cabinet economize on electricity switch board links to each other with motor-driven valve, temperature sensor, frequency converter; Central air-conditioning pipe network control cabinet links to each other with flowmeter, motor-driven valve, and user side links to each other with temperature controller, motor-driven valve.
4. according to the energy conserving system of each described central air-conditioning of claim 1-3, it is characterized in that: refrigerator dynamic temperature control module links to each other with the switch of each refrigerator.
5. according to the energy conserving system of each described central air-conditioning of claim 1-3, it is characterized in that: pipe network refrigerant Cell and Time Distribution flow-control module links to each other with the switch of each pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205007884U CN202338984U (en) | 2011-12-05 | 2011-12-05 | Energy-saving system of central air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205007884U CN202338984U (en) | 2011-12-05 | 2011-12-05 | Energy-saving system of central air conditioner |
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| CN202338984U true CN202338984U (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011205007884U Expired - Fee Related CN202338984U (en) | 2011-12-05 | 2011-12-05 | Energy-saving system of central air conditioner |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864967A (en) * | 2016-04-11 | 2016-08-17 | 九州方圆实业控股(集团)有限公司 | Integrated optimization energy-saving system of central air-conditioning refrigeration station |
| CN106839349A (en) * | 2016-12-23 | 2017-06-13 | 新智能源系统控制有限责任公司 | Water supply vari- able flow control system based on end comfort level |
| CN107345703A (en) * | 2016-05-05 | 2017-11-14 | 谢必华 | A kind of big data energy-saving air central |
| CN108731189A (en) * | 2017-04-13 | 2018-11-02 | 易微电（天津）科技发展有限公司 | A kind of continuous Operation Optimization Systerm of central air-conditioning and method |
| CN110425691A (en) * | 2019-07-16 | 2019-11-08 | 江苏江荣智能科技有限公司 | A kind of self-adaptive energy-saving control system of water cooled central air conditioner system |
| CN111425994A (en) * | 2020-04-09 | 2020-07-17 | 王涛 | Management and control system for optimizing energy consumption of central air conditioner |
| CN112797683A (en) * | 2020-12-31 | 2021-05-14 | 国网浙江省电力有限公司双创中心 | Cooperative control system for multiple refrigerating units of energy station |
-
2011
- 2011-12-05 CN CN2011205007884U patent/CN202338984U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864967A (en) * | 2016-04-11 | 2016-08-17 | 九州方圆实业控股(集团)有限公司 | Integrated optimization energy-saving system of central air-conditioning refrigeration station |
| CN107345703A (en) * | 2016-05-05 | 2017-11-14 | 谢必华 | A kind of big data energy-saving air central |
| CN106839349A (en) * | 2016-12-23 | 2017-06-13 | 新智能源系统控制有限责任公司 | Water supply vari- able flow control system based on end comfort level |
| CN106839349B (en) * | 2016-12-23 | 2019-07-23 | 新智能源系统控制有限责任公司 | Water supply vari- able flow control system based on end comfort level |
| CN108731189A (en) * | 2017-04-13 | 2018-11-02 | 易微电（天津）科技发展有限公司 | A kind of continuous Operation Optimization Systerm of central air-conditioning and method |
| CN108731189B (en) * | 2017-04-13 | 2021-01-26 | 易微电（天津）科技发展有限公司 | Central air conditioner continuous tuning system and method |
| CN110425691A (en) * | 2019-07-16 | 2019-11-08 | 江苏江荣智能科技有限公司 | A kind of self-adaptive energy-saving control system of water cooled central air conditioner system |
| CN111425994A (en) * | 2020-04-09 | 2020-07-17 | 王涛 | Management and control system for optimizing energy consumption of central air conditioner |
| CN112797683A (en) * | 2020-12-31 | 2021-05-14 | 国网浙江省电力有限公司双创中心 | Cooperative control system for multiple refrigerating units of energy station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120718 Termination date: 20151205 |
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| EXPY | Termination of patent right or utility model |