CN204943795U - A kind of central air conditioner room efficiency optimization system - Google Patents
A kind of central air conditioner room efficiency optimization system Download PDFInfo
- Publication number
- CN204943795U CN204943795U CN201520738292.9U CN201520738292U CN204943795U CN 204943795 U CN204943795 U CN 204943795U CN 201520738292 U CN201520738292 U CN 201520738292U CN 204943795 U CN204943795 U CN 204943795U
- Authority
- CN
- China
- Prior art keywords
- air conditioner
- central air
- control device
- detection control
- conditioner room
- 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.)
- Active
Links
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses a kind of central air conditioner room efficiency optimization system.This system is made up of central air conditioner room equipment, detection control device, energy efficiency management device and background server, and described central air conditioner room equipment comprises refrigerating water pump, coolant pump, blower fan of cooling tower, handpiece Water Chilling Units, Fresh air handling units, fan coil, plate type heat exchanger and packaged air conditioner; The output of described detection control device is corresponding with central air conditioner room equipment respectively to be connected, and the input of described detection control device connects energy efficiency management device, and described energy efficiency management device is connected with background server communication by Ethernet.In the utility model, achieve the feedback to central air conditioner room control system, adjustment and optimization, improve energy utilization efficiency, control the energy waste of end, reduce invalid air conditioner load, thus the significant increase energy-saving effect of entire system.
Description
Technical field
The utility model relates to central air conditioning system field, particularly relates to a kind of central air conditioner room efficiency optimization system.
Background technology
The control technology of central air conditioner room control system can be divided into following three classes substantially: one, fuzzy control: fuzzy control technology is one of important branch of Based Intelligent Control, and this technology is simple with structure, strong robustness, do not need the Mathematical Modeling of controlled device and thick bar is quick etc. that plurality of advantages is widely used; Two, individual equipment controls: such control mostly concentrates on the Energy Saving Control of the individual equipment of air-conditioning system, and the energy-saving effect of stand-alone device is obvious; Three, the team control of unit: simply, realizes central controlled a kind of control strategy handpiece Water Chilling Units, refrigerating water pump, coolant pump and cooling tower fan etc. exactly.Certainly likely there are the equipment such as multiple stage handpiece Water Chilling Units, water pump, realize unified control by a PC or industrial computer, interlocking start and stop are carried out to each equipment, as required each equipment of opening and closing.
Although this three classes control program existing is all reaching certain energy-conservation object in varying degrees, there is many problems being difficult to overcome separately.Shown in details are as follows:
Fuzzy control: itself also exist that such as control accuracy is not high, the problem such as " rules explosion ", although the proposition of Varied scope fuzzy control algorithm to some extent solves these problems, cannot be eradicated.
Individual equipment controls: although the energy-saving effect of stand-alone device is obvious, from whole system angle, in default of the energy saving solution of system, so do not obtain the energy-saving effect matched with stand-alone device.In actual applications, due to the high coupling of central air-conditioning, this equipment energy consumption declines often, but the energy consumption of miscellaneous equipment but adds, and then badly influences the whole energy effect of central air conditioner system.
The team control of unit: such control technology has had certain research, but in the system application of reality, the group control system really come into operation is very few.One of them the most chief reason be exactly system running policy imperfection, simple interlocking on off control is just done to each equipment, cause air-conditioning equipment occur frequent start-stop, end air quality difference etc. a series of problem.
Although in order to overcome the various shortcomings occurred in above three class control technologys, existing researcher proposes in the control program of central air-conditioning, merges various control technology simultaneously, thus reaches the object of mutual supplement with each other's advantages.Such as, Zeng You researcher proposes a kind of group control energy-saving method based on fuzzy control.But, because above three class control technologys are all based on experience, or it is interval to arrange some fuzzy controls according to fuzzy control, these control systems have multivariable mostly, close coupling, time become and the feature such as non-linear, so all do not set up accurate Mathematical Modeling.Therefore existing various control program all well cannot solve the not high problem of control accuracy.
Utility model content
The utility model provides a kind of central air conditioner room efficiency optimization system, achieve the feedback to central air conditioner room control system, adjustment and optimization, improve energy utilization efficiency, control the energy waste of end, reduce invalid air conditioner load, thus the significant increase energy-saving effect of entire system.
The object of the invention is to be achieved through the following technical solutions:
A kind of central air conditioner room efficiency optimization system, it is characterized in that: this system is made up of central air conditioner room equipment, detection control device, energy efficiency management device and background server, described central air conditioner room equipment comprises refrigerating water pump, coolant pump, blower fan of cooling tower, handpiece Water Chilling Units, Fresh air handling units, fan coil, plate type heat exchanger and packaged air conditioner; The output of described detection control device is corresponding with central air conditioner room equipment respectively to be connected, and the input of described detection control device connects energy efficiency management device, and described energy efficiency management device is connected with background server communication by Ethernet.
Be provided with ammeter and on-Line Monitor Device in described detection control device, in described background server, be provided with efficiency computing module, MySQL database and display.
The output of described detection control device connects switch, valve and frequency converter on central air conditioner room equipment by control circuit.
Described refrigerating water pump detection control device, coolant pump detection control device, blower fan of cooling tower detection control device, handpiece Water Chilling Units detection control device are connected the first energy efficiency management device with the input of plate type heat exchanger detection control device; The input of Fresh air handling units detection control device connects the second energy efficiency management device; The input of fan coil detection control device connects the 3rd energy efficiency management device; The input of packaged air conditioner detection control device connects the 4th energy efficiency management device.
The output of described first energy efficiency management device connects refrigeration machine.
Described refrigerating water pump and coolant pump are variable ratio frequency changer water pump.
Compared with prior art, the utility model at least has the following advantages:
By above-mentioned the technical solution of the utility model, native system can carry out parameter Centralizing inspection to the plate type heat exchanger of central air-conditioning, cooling water system, chilled water system etc., equipment automation control and feedback control again, therefore, it is possible to automatically control chilled water, cooling water flow, guarantee the safe operation of central air conditioner main machine.System can go the operation of control system according to the optimal operating parameter of air-conditioning system, according to the change of the operating condition of system, dynamically adjustment System operational factor is carried out by efficiency Optimized model and algorithm, guarantee that air-conditioning is on the best operating point of optimization all the time, improve the capacity usage ratio of system.Under any loading condiction of system, not only can guarantee the comfortableness of air-conditioning system, but also realize farthest energy-conservation.The present invention has good development prospect and huge economic benefit.
Accompanying drawing explanation
Fig. 1 is the overall structure block diagram of a kind of central air conditioner room efficiency optimization system that the utility model embodiment provides;
Fig. 2 is that the structure of a kind of central air conditioner room efficiency optimization system that the utility model embodiment provides launches schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model, be clearly and completely described the technical scheme in the utility model, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As Figure 1-Figure 2, for a kind of central air conditioner room efficiency optimization system that the utility model embodiment proposes, this system is made up of central air conditioner room equipment 1, detection control device 2, energy efficiency management device 3 and background server 4, and central air conditioner room equipment 1 comprises refrigerating water pump 11, coolant pump 12, blower fan of cooling tower 13, handpiece Water Chilling Units 14, Fresh air handling units 15, fan coil 16, plate type heat exchanger 17 and packaged air conditioner 18; The output of detection control device 2 is corresponding with central air conditioner room equipment 1 respectively to be connected, and the input of detection control device 2 connects energy efficiency management device 3, and energy efficiency management device 3 is connected with background server 4 communication by Ethernet 5.
Preferably, in detection control device 2, be provided with ammeter and on-Line Monitor Device, in background server 4, be provided with efficiency computing module, MySQL database and display.
Preferably, the output of detection control device 2 connects switch, valve and the frequency converter on central air conditioner room equipment 1 by control circuit.
Preferably, refrigerating water pump detection control device 21, coolant pump detection control device 22, blower fan of cooling tower detection control device 23, handpiece Water Chilling Units detection control device 24 are connected the first energy efficiency management device 31 with the input of plate type heat exchanger detection control device 27; The input of Fresh air handling units detection control device 25 connects the second energy efficiency management device 32; The input of fan coil detection control device 26 connects the 3rd energy efficiency management device 33; The input of packaged air conditioner detection control device 28 connects the 4th energy efficiency management device 34.
Preferably, the output of the first energy efficiency management device 31 connects refrigeration machine 6.
Preferably, refrigerating water pump 11 and coolant pump 12 are variable ratio frequency changer water pump.
Below in conjunction with accompanying drawing, operation principle of the present invention and operating process are described as follows:
The present invention is optimized the system energy consumption that can reduce central air-conditioning significantly by utilizing system energy efficiency Optimized model heat exchanging system, thus reaches energy-conservation object.Namely system energy efficiency Optimized model is set up by energy efficiency manager, air-conditioning system is controlled accordingly, make it to reach higher efficiency, and according to the result fed back, the start and stop of corresponding switchgear are controlled according to energy efficiency model, the aperture size of valve, and the frequency of frequency converter, and then constantly feed back again, regulate again, optimize again.Concrete operations are as follows:
(1) metering separate.Measure the power consumption of the electrical equipment such as cooling water pump, handpiece Water Chilling Units, chilled water pump in Central Air-condition Refrigerator room respectively with ammeter, i.e. their respective energy consumption, be designated as W respectively
water supply pump energy consumption, W
handpiece Water Chilling Units, W
refrigerating water pump energy consumption, then automatically these energy consumption datas are sent to air-conditioning equipment (system) energy efficiency manager, and are together presented in background manage software, so that staff's observation analysis.
(2) on-line monitoring.Air-conditioning equipment (system) energy efficiency manager can realize the intake pressure (measurement point is close to handpiece Water Chilling Units end) to cooling water, the flow of inlet water of cooling water, the inflow temperature (test point is near handpiece Water Chilling Units end) of cooling water, the leaving water temperature (test point is near handpiece Water Chilling Units end) of cooling water, the flow of inlet water of chilled water, the intake pressure (test point is near handpiece Water Chilling Units end) of chilled water, the inflow temperature (monitoring point is near handpiece Water Chilling Units end) of chilled water, the leaving water temperature (test point is near handpiece Water Chilling Units end) of chilled water, indoor real time temperature (position that indoor temperature is average), indoor humidity in real time, infrared perception number of times (place that detecting position is relatively concentrated setting in people) carries out real-time on-line monitoring, Monitoring Data can be presented in background manage software in real time, thus facilitate staff's observation analysis.And the data collected are kept in MySQL database.
(3) energy efficiency evaluation.Air-conditioning equipment (system) energy efficiency manager can realize the assessment to air-conditioning system efficiency of energy utilization.First according to flow of inlet water, the inflow temperature of coolant pump, the leaving water temperature of coolant pump of the coolant pump real-time monitored in the subitem energy consumption of the coolant pump of metering separate in (1) and (2), formula is utilized
calculate the real-time system efficiency of coolant pump; Next, according to flow of inlet water, the inflow temperature of refrigerating water pump, the leaving water temperature of refrigerating water pump of the refrigerating water pump real-time monitored in the subitem energy consumption of the refrigerating water pump of metering separate in (1) and (2), utilizes formula
calculate the real-time system efficiency of refrigerating water pump; Then by select time section, the data of preserving in calling data storehouse, calculate the system energy utilization ratio of coolant pump and refrigerating water pump within this time period; Finally utilize formula:
calculate the system energy efficiency of the large electricity consumer's handpiece Water Chilling Units within the time of oneself selection in air-conditioning system, chilled water pump, cooling water pump entirety.
Wherein letter representation is, EER: Energy Efficiency Ratio, i.e. efficiency of energy utilization; W: the electric energy that electrical equipment consumes; C: the specific heat capacity of medium, medium is generally water, C=4.2*103 is burnt/kilogram degree Celsius; M: the quality of medium, is obtained by flow rate calculation, becomes positive correlation with flow; △ T: the temperature difference, chilled water pump is the Inlet and outlet water temperature difference, and cooling water pump backwater temperature difference.
Air-conditioning energy efficiency evaluation (system) can realize the metering separate to each cover electricity consumption equipment energy consumption in central air conditioner system, there is a need to online data monitoring, and the assessment of efficiency of energy utilization to central air conditioner system.
By select time section, inquire about the data collected in MySQL database, pass through formula:
can also calculate and the air-conditioning that background manage software is connected, heating, hot-water heating system total system energy utilization ratio during this period of time, reach the object of the efficiency of energy utilization of electrical equipment entirety being carried out to comprehensive assessment.
Next, the several critical problems in control system will be told about in detail, as follows:
(1) parameter of handpiece Water Chilling Units reads and carry calculation
The related data of handpiece Water Chilling Units obtains to be determined the situation according to scene, and the energy consumption data of handpiece Water Chilling Units and load level determine and optimize the critical data of its efficiency.
If the relevant service data of handpiece Water Chilling Units directly can be got, then only acquisition data need be sent to bottom controller and server respectively, be controlled accordingly by comparison and analysis.
If directly can not obtain the relevant service data of handpiece Water Chilling Units, we will take indirectly form-mono-by measuring the data of unit electric energy meter, water pump operation frequency and going out anti-energy consumption and the efficiency level releasing unit of the temperature difference of backwater.And control handpiece Water Chilling Units according to the duty application system efficiency Optimized model of load condition, cold, water pump, cooling, chilled water pump be operated in system optimal state.
(2) regulation scheme of water pump
The water pump used in air-conditioning system mostly is variable-frequency water pump, and this just provides sufficient material base for we carry out efficiency optimization.The concrete control strategy of testing pump will be debugged according to field condition, and at this plain statement, it controls thinking:
Under normal load and weather condition, the supply and return water temperature of earth source heat pump is substantially invariable, change due to load can cause unit supply and return water temperature and the temperature difference to change, for the control of pump, we will carry out regulable control according to the principle of indoor and outdoor humiture and supply backwater temperature difference and system energy efficiency optimum.
(3) because chilled water system has certain length due to the distance of transfer conduit, therefore stopping refrigeration machine before leaving offices, the cold made full use of in pipeline is then the another kind of important measures reducing energy consumption.Under weather feels nice and cool situation, can shut down, utilize outside natural wind as far as possible.
In a word, the core realizing building energy conservation can be summed up as in short: utilize checkout equipment and system by the use energy condition detection of building out, the wasting phenomenon existed in building is found by energy management, and utilize control system waste to be lowered, under the prerequisite obtaining the energy requirement not wasting energy, EMS by under making central air conditioning equipment operate in system high efficiency rate state, realizes energy-conservation again.
Compared with prior art, the utility model at least has the following advantages:
By above-mentioned the technical solution of the utility model, native system can carry out parameter Centralizing inspection to the plate type heat exchanger of central air-conditioning, cooling water system, chilled water system etc., equipment automation control and feedback control again, therefore, it is possible to automatically control chilled water, cooling water flow, guarantee the safe operation of central air conditioner main machine.System can go the operation of control system according to the optimal operating parameter of air-conditioning system, according to the change of the operating condition of system, dynamically adjustment System operational factor is carried out by efficiency Optimized model and algorithm, guarantee that air-conditioning is on the best operating point of optimization all the time, improve the capacity usage ratio of system.Under any loading condiction of system, not only can guarantee the comfortableness of air-conditioning system, but also realize farthest energy-conservation.The present invention has good development prospect and huge economic benefit.
The above; be only the utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (6)
1. a central air conditioner room efficiency optimization system, it is characterized in that: this system is made up of central air conditioner room equipment, detection control device, energy efficiency management device and background server, described central air conditioner room equipment comprises refrigerating water pump, coolant pump, blower fan of cooling tower, handpiece Water Chilling Units, Fresh air handling units, fan coil, plate type heat exchanger and packaged air conditioner; The output of described detection control device is corresponding with central air conditioner room equipment respectively to be connected, and the input of described detection control device connects energy efficiency management device, and described energy efficiency management device is connected with background server communication by Ethernet.
2. central air conditioner room efficiency optimization system as claimed in claim 1, is characterized in that: be provided with ammeter and on-Line Monitor Device in described detection control device, be provided with efficiency computing module, MySQL database and display in described background server.
3. central air conditioner room efficiency optimization system as claimed in claim 1, is characterized in that: the output of described detection control device connects switch, valve and frequency converter on central air conditioner room equipment by control circuit.
4. central air conditioner room efficiency optimization system as claimed in claim 1, is characterized in that: described refrigerating water pump detection control device, coolant pump detection control device, blower fan of cooling tower detection control device, handpiece Water Chilling Units detection control device are connected the first energy efficiency management device with the input of plate type heat exchanger detection control device; The input of Fresh air handling units detection control device connects the second energy efficiency management device; The input of fan coil detection control device connects the 3rd energy efficiency management device; The input of packaged air conditioner detection control device connects the 4th energy efficiency management device.
5. central air conditioner room efficiency optimization system as claimed in claim 4, is characterized in that: the output of described first energy efficiency management device connects refrigeration machine.
6. central air conditioner room efficiency optimization system as claimed in claim 1, is characterized in that: described refrigerating water pump and coolant pump are variable ratio frequency changer water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520738292.9U CN204943795U (en) | 2015-09-22 | 2015-09-22 | A kind of central air conditioner room efficiency optimization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520738292.9U CN204943795U (en) | 2015-09-22 | 2015-09-22 | A kind of central air conditioner room efficiency optimization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204943795U true CN204943795U (en) | 2016-01-06 |
Family
ID=55011214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520738292.9U Active CN204943795U (en) | 2015-09-22 | 2015-09-22 | A kind of central air conditioner room efficiency optimization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204943795U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115113A (en) * | 2015-09-22 | 2015-12-02 | 山东广成节能科技有限公司 | Energy efficiency optimizing system of central air-conditioner room |
| CN106672470A (en) * | 2016-10-17 | 2017-05-17 | 广汉市思科信达科技有限公司 | Oil storage tank cooling system |
| CN106765911A (en) * | 2016-12-06 | 2017-05-31 | 珠海格力电器股份有限公司 | A kind of control method of central air-conditioning cold, device and controller |
| CN106839218A (en) * | 2017-03-10 | 2017-06-13 | 深圳达实智能股份有限公司 | Central air conditioner system efficiency lifting assembly and its control method |
| CN107401806A (en) * | 2017-06-22 | 2017-11-28 | 广州地铁集团有限公司 | Main frame and refrigerating water pump comprehensive energy efficiency lifting control method in central air conditioning freezing station |
| CN111520874A (en) * | 2020-04-28 | 2020-08-11 | 珠海壹诺建设工程有限公司 | Water system air conditioner room energy efficiency detection optimization system |
-
2015
- 2015-09-22 CN CN201520738292.9U patent/CN204943795U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115113A (en) * | 2015-09-22 | 2015-12-02 | 山东广成节能科技有限公司 | Energy efficiency optimizing system of central air-conditioner room |
| CN105115113B (en) * | 2015-09-22 | 2018-08-07 | 山东广成节能科技有限公司 | A kind of central air conditioner room efficiency optimization system |
| CN106672470A (en) * | 2016-10-17 | 2017-05-17 | 广汉市思科信达科技有限公司 | Oil storage tank cooling system |
| CN106765911A (en) * | 2016-12-06 | 2017-05-31 | 珠海格力电器股份有限公司 | A kind of control method of central air-conditioning cold, device and controller |
| CN106765911B (en) * | 2016-12-06 | 2019-09-10 | 珠海格力电器股份有限公司 | A kind of control method, device and the controller of central air-conditioning cold |
| CN106839218A (en) * | 2017-03-10 | 2017-06-13 | 深圳达实智能股份有限公司 | Central air conditioner system efficiency lifting assembly and its control method |
| CN106839218B (en) * | 2017-03-10 | 2023-07-28 | 深圳达实智能股份有限公司 | Central air conditioning system energy efficiency lifting assembly and control method thereof |
| CN107401806A (en) * | 2017-06-22 | 2017-11-28 | 广州地铁集团有限公司 | Main frame and refrigerating water pump comprehensive energy efficiency lifting control method in central air conditioning freezing station |
| CN107401806B (en) * | 2017-06-22 | 2020-01-21 | 广州地铁集团有限公司 | Method for improving and controlling comprehensive energy efficiency of main engine and refrigerating pump in central air-conditioning refrigerating station |
| CN111520874A (en) * | 2020-04-28 | 2020-08-11 | 珠海壹诺建设工程有限公司 | Water system air conditioner room energy efficiency detection optimization system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204943795U (en) | A kind of central air conditioner room efficiency optimization system | |
| CN105115113B (en) | A kind of central air conditioner room efficiency optimization system | |
| CN104134100B (en) | A kind of energy-saving management system based on cloud computing | |
| CN103277875B (en) | Energy-saving control system for refrigeration plant room | |
| CN102043907B (en) | Real-time cold load determination method of air-conditioner room | |
| CN105135636B (en) | Central air-conditioning variable-flow optimizes system | |
| CN107314498A (en) | The efficiency on-line monitoring method and device of a kind of central air conditioner system | |
| CN104048390B (en) | Method for diagnosing energy efficiency of air-cooled heat-pump central air-conditioning unit | |
| CN109028446A (en) | A kind of refrigerating plant room control method based on equipment overall performance model | |
| CN104456852B (en) | The monitoring and evaluation system and monitoring and evaluation method of central air conditioning refrigerating plant room operation | |
| CN104075403A (en) | Air-conditioning energy consumption monitoring and diagnosing system and method | |
| CN104633857A (en) | Air conditioner energy-saving optimization control method and device | |
| CN105444356A (en) | Intelligent energy efficiency optimizing control system for central air conditioning system and control method of intelligent energy efficiency optimizing control system | |
| CN109028447A (en) | A kind of air conditioner refrigerating computer room intelligence control system and control method based on cloud computing | |
| CN202119048U (en) | Real-time energy efficiency monitoring and diagnosis adjusting device of large air conditioner water chiller unit | |
| CN112781131A (en) | Method for analyzing operation energy efficiency of refrigerating machine room and achieving high efficiency and energy conservation after optimization | |
| CN115789957A (en) | Energy supply regulation and control method, device, equipment and storage medium | |
| CN205137786U (en) | Building power -operated control and subitem measurement system | |
| CN205208840U (en) | Central air -conditioning system efficiency automatic tracking and evaluation system | |
| CN106931600A (en) | A kind of method for determining building air-conditioning pump energy saving operating scheme | |
| CN203837200U (en) | Central air-conditioner overall energy conservation control device | |
| CN206377813U (en) | A kind of controlling system of central air conditioner | |
| CN113743647A (en) | Data center energy consumption control system | |
| CN204438420U (en) | The monitoring and evaluation system that central air conditioning refrigerating plant room runs | |
| CN104566764A (en) | Overall energy saving control device of central air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |