CN110161863A - A kind of building electromechanical equipment system optimising and adjustment method - Google Patents
A kind of building electromechanical equipment system optimising and adjustment method Download PDFInfo
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- CN110161863A CN110161863A CN201910501012.5A CN201910501012A CN110161863A CN 110161863 A CN110161863 A CN 110161863A CN 201910501012 A CN201910501012 A CN 201910501012A CN 110161863 A CN110161863 A CN 110161863A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
- G05B13/042—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators in which a parameter or coefficient is automatically adjusted to optimise the performance
Abstract
The present invention relates to a kind of building electromechanical equipment system optimising and adjustment methods, comprising the following steps: Step 1: each equipment monitoring data and indoor environment field data in acquisition building；Step 2: the data of acquisition are stored in the database according to device type；Step 3: obtaining the dbjective state of equipment operation by DeST model algorithm according to current environment, equipment actual motion state being compared and analyzed with dbjective state, and adjust equipment running status close to dbjective state；Step 4: forming the energy consumption reference line of items of equipment based on historical energy consumption data；Step 5: equipment actual motion monitoring energy consumption data is compared with energy consumption reference line, the optimal threshold of total energy consumption is obtained；Step 6: forming equipment operation curve using optimal threshold range, and run according to equipment operation curve adjusting device.The present invention can reduce the energy consumption of Architectural Equipment, be conducive to improve effects of energy saving and emission reduction.
Description
Technical field
The present invention relates to large public building field of energy-saving technology, especially a kind of building electromechanical equipment system optimising and adjustment
Method.
Background technique
In recent years, building energy consumption is arranged side by side with industrial energy consumption, traffic energy consumption, becomes three big " energy consumptions of AND ENERGY RESOURCES CONSUMPTION IN CHINA
Rich and influential family ".Especially architectural energy consumption is along with the continuous soaring in sharply nose-up tendency of building total amount.Building energy consumption accounts for about the whole society
The 30% of total energy consumption, wherein most importantly heating and air-conditioning.According to statistics, large public building construction area is accounted for less than cities and towns
The 4% of total amount is built, but consumes the 22% of building energy consumption total amount, the actual conditions built at present according to China, to both
Have large public building to carry out reducing energy consumption has very big potentiality in terms of energy-saving and emission-reduction.
Currently, being more than the 70% not full-time administration of energy conservation personnel of large public building, enterprises are not built generally
Corresponding energy management system is found, the total consumption situation of the energy cannot be grasped in time, to the main runing adjustment with energy equipment
It also fails to hold in time with energy saving situation.With the raising of people's energy-saving and emission-reduction consciousness and the influence of global warming, drop
The whole energy consumption of low building is obviously particularly significant.
Given this present invention is proposed.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of building electromechanical equipment system optimising and adjustments
Method makes building efficiency get a promotion, reduces building energy consumption total amount under the premise of meeting building function.
In order to realize the purpose, the present invention adopts the following technical scheme:
A kind of building electromechanical equipment system optimising and adjustment method, comprising the following steps:
Step 1: each equipment monitoring data and indoor environment field data in acquisition building；
Step 2: the data of acquisition are stored in the database according to device type；
Step 3: the dbjective state of equipment operation is obtained by DeST model algorithm according to current environment, by equipment reality
Operating status is compared and analyzed with dbjective state, and adjusts equipment running status close to dbjective state；
Step 4: forming the energy consumption reference line of items of equipment based on historical energy consumption data；
Step 5: equipment actual motion monitoring energy consumption data is compared with energy consumption reference line, total energy consumption is obtained most
Good threshold value, and indoor environment comfort level demand is combined, optimal threshold is adjusted；
Step 6: forming equipment operation curve using optimal threshold range adjusted, and anti-according to equipment regulation result
Feedback and local meteorologic parameter continue to optimize equipment operation curve, and according to the equipment operation curve adjusting device after optimization
Operation.
Further, in the step 1,
The equipment monitoring data of acquisition include refrigeration host computer power consumption of compressor, compressor rotary speed, electricity in central air conditioner system
Pressure, electric current, chilled-water flow, cooling water flow, evaporator inlet and outlet temperature, condenser inlet and outlet temperature；Electrical power consumption of water pump, water pump
Motor speed, voltage, electric current, water pump inlet and outlet pressure, for water conduit tube and return water main pipe temperature signal；End air-treatment unit
Valve area, water valve aperture, power consumption；Exhaust blower power consumption, exhaust blower motor speed, voltage, electric current；
The indoor environment field data includes room temperature, humidity, PM2.5 concentration, gas concentration lwevel.
Further, in the step 2, the data of acquisition pass sequentially through data acquisition gateway, router is uploaded to service
Device, and store in the database.
Further, in the step 3, the input quantity of DeST model algorithm is constantly adjusted according to the variation of ambient condition
It is whole.
Further, in the step 3, adjusting adjustment equipment running status includes that compressor rotary speed is adjusted, chilled-water flow
It adjusts, cooling water flow is adjusted, pump motor rotational speed regulation, and air-treatment unit valve area in end is adjusted, water valve aperture tune
Section, exhaust blower motor speed are adjusted.
Further, mistake equipment actual motion monitoring energy consumption data being compared with energy consumption reference line in the step 5
Cheng Wei,
S1, equipment actual motion monitoring energy consumption data is compared with the energy consumption data when same period last year；
S2, equipment actual motion monitoring energy consumption data is compared with the energy consumption data acquired recently；
S3, using the energy consumption minimum point of S1 and S2 comparison result as best threshold values.
Further, the data acquisition uses multiway analog switch Channel Synchronous technology, and multiple sensor or voltage are through mould
Quasi- switch chip is connected to the input point of system, and the pulse then issued by AO mouthfuls is synchronous with the holding of system data acquisition moment,
To realize that growth data acquires.
After technical solution of the present invention, bring it is following the utility model has the advantages that
The present invention will gradually search out the minimum point of equipment energy consumption with the extension of working time, meet people to room
The energy consumption that Architectural Equipment is reduced while interior environmental requirement plays energy-saving effect, and has good popularization and application effect, is
Building energy conservation provides practicable method.
Detailed description of the invention
Fig. 1: flow diagram of the invention；
Fig. 2: system block diagram of the invention；
Specific embodiment
A specific embodiment of the invention is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, a kind of building electromechanical equipment system optimising and adjustment method, comprising the following steps:
Step 1: each equipment monitoring data and indoor environment field data in acquisition building；
Step 2: the data of acquisition are stored in the database according to device type, the database is real-time for equipment
The inquiry and maintenance of basic operation data, and data supporting is provided for building electromechanical equipment system regulation；
Step 3: obtaining the dbjective state of equipment operation, the target-like by DeST model algorithm according to current environment
State includes equipment running status and energy consumption, equipment actual motion state is compared and analyzed with dbjective state, and adjust equipment
Operating status is close to dbjective state；Equipment (can such as be transported when just bringing into operation in the higher state of energy consumption with total power
Row), by comparing with dbjective state, the optimum operation model library of control equipment operation can be obtained, for guidance regulation early period
The operating status of equipment reduces equipment energy consumption；
Step 4: forming the energy consumption reference line of items of equipment based on historical energy consumption data, the energy consumption reference line reflects
Equipment energy consumption amount changes with time, and can be established by way of sampling according to fixed time interval to equipment energy consumption
Play energy consumption reference line；
Step 5: equipment actual motion monitoring energy consumption data is compared with energy consumption reference line, total energy consumption is obtained most
Good threshold value, and indoor environment comfort level demand is combined, optimal threshold is adjusted, the best threshold values represents equipment energy consumption most
Low spot；
Step 6: forming equipment operation curve using optimal threshold range adjusted, and anti-according to equipment regulation result
Feedback and local meteorologic parameter continue to optimize equipment operation curve, obtain the optimum operation curve of equipment, equipment most good speed
After row curve is established, equipment running status can be adjusted according to the relevant parameter of equipment best curve, reduce equipment energy consumption, reach
To energy saving purpose.
Specifically, in the step 1, the equipment monitoring data of acquisition include that refrigeration host computer compresses in central air conditioner system
Electromechanical consumption, compressor rotary speed, voltage, electric current, chilled-water flow, cooling water flow, evaporator inlet and outlet temperature, condenser disengaging
Coolant-temperature gage；Electrical power consumption of water pump, pump motor revolving speed, voltage, electric current, water pump inlet and outlet pressure, for water conduit tube and return water main pipe temperature
Signal；End air-treatment unit valve area, water valve aperture, power consumption；Exhaust blower power consumption, exhaust blower motor speed, voltage, electricity
Stream.
The indoor environment field data includes room temperature, humidity, PM2.5 concentration, gas concentration lwevel.
As shown in connection with fig. 2, after above-mentioned data are acquired by sensor, clothes are uploaded to by data acquisition gateway, router
Business device, and store in the database.The data acquisition uses multiway analog switch Channel Synchronous technology, multiple sensor or electricity
Pressure is connected to the input point of system through analog switch chip, and the pulse then issued by AO mouthfuls and system data acquisition moment keep
It is synchronous, to realize that growth data acquires.
The server includes that data preprocessing module, data split module, data computation module and database, described
Data preprocessing module is filtered the data of acquisition, removes abnormal data, and the data split module for the data of acquisition
Carry out fractionation classification, the data computation module for being compared and analyzed to data, above-mentioned data can by client into
Row display.
Preferably, in the step 3, the input quantity of DeST model algorithm is constantly adjusted according to the variation of ambient condition
Whole, when environmental condition changes, the corresponding independent variable for inputting DeST model also changes, so that DeST model is defeated
Result is more accurate out.By DeST model algorithm, the optimum operation range number that equipment of sening as an envoy to meets indoor demand can be calculated
According to instruct the adjustment of equipment to provide direction.
The DeST model algorithm is building thermal environments design simulation kit (Designer ' s Simulation
Toolkit abbreviation), it is building environment and facility research institute, Building Technology Science system, Tsinghua University more than ten years scientific achievement
Crystallization is the software platform for building thermal environments design simulation analysis.DeST is in the process of development always preferably by mould
Quasi- technology is applied to the analysis of building and architectural environment control system, studies and be designed as objective, therefore it is that vast building is set
Meter teacher and related researcher are used to simulate, analyze and solve the powerful of the practical problem of building and air-conditioning system.
Specifically, in the step 3, adjusting adjustment equipment running status includes that compressor rotary speed is adjusted, chilled-water flow
It adjusts, cooling water flow is adjusted, pump motor rotational speed regulation, and air-treatment unit valve area in end is adjusted, water valve aperture tune
Section, exhaust blower motor speed are adjusted.Such as before tuning, outdoor temperature is 27 DEG C~28 DEG C, and indoor environment field temperature is 24.5 DEG C
~25.7 DEG C, environment field temperature vertical distribution difference is big, is in cold lower part and hot upper part phenomenon, this is based on, using DeST model algorithm, it is assumed that
Environment field temperature target is 25 DEG C (26 DEG C of < design value), is then shut off new air-valve, after tested environment field gas concentration lwevel
For 600ppm (< 1000ppm), adjusting supply water temperature later is 8.9 DEG C, then adjusts each layer water valve aperture (bottom water valve opening
It is 0~20%, high-rise water valve aperture is 30%~100%, and by floor, echelon increases water valve aperture from low to high)；After tuning, room
27 DEG C~28 DEG C of outer temperature, indoor environment field temperature is 24.5 DEG C~25 DEG C；By above-mentioned adjusting, supply water temperature is improved, is dropped
Low compressor work reduces power consumption；Water valve aperture turns down, and has adjusted hydraulic equilibrium, reduces chilled water pump power consumption；Environment field temperature
Vertical distribution is uniform, and comfort level is promoted.
After equipment runs some cycles, the energy consumption reference line of items of equipment is formed based on historical energy consumption data, is then held
Equipment actual motion monitoring energy consumption data is compared the row step 5 with energy consumption reference line, and specific comparison process is,
S1, equipment actual motion monitoring energy consumption data is compared with the energy consumption data when same period last year；
S2, equipment actual motion monitoring energy consumption data is compared with the energy consumption data acquired recently；
S3, using the energy consumption minimum point of S1 and S2 comparison result as best threshold values.
Above-mentioned comparison process is the process constantly from optimizing, in equipment after running for a long time, will find one most
Close to the energy consumption minimum point of perfect condition, the energy consumption of equipment is made to reach minimum.
In conclusion the present invention, which first passes through DeST model algorithm, obtains dbjective state, provided for adjustment equipment running status
Thinking obtains the equipment optimum operation range data that realization system automatically controls, and with the long-play of equipment, constantly accumulates
Corresponding operation data, and energy consumption reference line is set up, by comparing the real time energy consumption of equipment and energy consumption reference line, obtain most
Good threshold values forms equipment operation curve, the final equipment operation curve adjusting device according to after optimization using best threshold range
Operation.
The above is embodiments of the present invention, it is noted that for the ordinary skill in the art, not
It is detached under the premise of the principle of the invention, various deformation and improvement can also be made, this also should be considered as protection scope of the present invention.
Claims (7)
1. a kind of building electromechanical equipment system optimising and adjustment method, which comprises the following steps:
Step 1: each equipment monitoring data and indoor environment field data in acquisition building；
Step 2: the data of acquisition are stored in the database according to device type；
Step 3: the dbjective state of equipment operation is obtained by DeST model algorithm, by equipment actual motion according to current environment
State is compared and analyzed with dbjective state, and adjusts equipment running status close to dbjective state；
Step 4: forming the energy consumption reference line of items of equipment based on historical energy consumption data；
Step 5: equipment actual motion monitoring energy consumption data is compared with energy consumption reference line, the best threshold of total energy consumption is obtained
Value, and indoor environment comfort level demand is combined, optimal threshold is adjusted；
Step 6: using optimal threshold range adjusted formed equipment operation curve, and according to equipment regulate and control result feedback and
Local meteorologic parameter continues to optimize equipment operation curve, and according to the equipment operation curve adjusting device fortune after optimization
Row.
2. a kind of building electromechanical equipment system optimising and adjustment method according to claim 1, it is characterised in that: the step
In one,
The equipment monitoring data of acquisition include, refrigeration host computer power consumption of compressor in central air conditioner system, compressor rotary speed, voltage,
Electric current, chilled-water flow, cooling water flow, evaporator inlet and outlet temperature, condenser inlet and outlet temperature；Electrical power consumption of water pump, water pump electricity
Machine revolving speed, voltage, electric current, water pump inlet and outlet pressure, for water conduit tube and return water main pipe temperature signal；End air-treatment unit wind
Valve opening, water valve aperture, power consumption；Exhaust blower power consumption, exhaust blower motor speed, voltage, electric current；
The indoor environment field data includes room temperature, humidity, PM2.5 concentration, gas concentration lwevel.
3. a kind of building electromechanical equipment system optimising and adjustment method according to claim 1, it is characterised in that: the step
In two, the data of acquisition pass sequentially through data acquisition gateway, router is uploaded to server, and store in the database.
4. a kind of building electromechanical equipment system optimising and adjustment method according to claim 1, it is characterised in that: the step
In three, the input quantity of DeST model algorithm is constantly adjusted according to the variation of ambient condition.
5. a kind of building electromechanical equipment system optimising and adjustment method according to claim 1 or 4, it is characterised in that: described
In step 3, adjusting adjustment equipment running status includes that compressor rotary speed is adjusted, and chilled-water flow is adjusted, cooling water flow tune
Section, pump motor rotational speed regulation, end air-treatment unit valve area are adjusted, water valve aperture regulation, exhaust blower motor speed
It adjusts.
6. a kind of building electromechanical equipment system optimising and adjustment method according to claim 1, it is characterised in that: the step
It is by the process that equipment actual motion monitoring energy consumption data is compared with energy consumption reference line in five,
S1, equipment actual motion monitoring energy consumption data is compared with the energy consumption data when same period last year；
S2, equipment actual motion monitoring energy consumption data is compared with the energy consumption data acquired recently；
S3, using the energy consumption minimum point of S1 and S2 comparison result as best threshold values.
7. a kind of building electromechanical equipment system optimising and adjustment method according to claim 1, it is characterised in that: the data
Acquisition uses multiway analog switch Channel Synchronous technology, and multiple sensor or voltage are connected to the defeated of system through analog switch chip
Access point, the pulse then issued by AO mouthfuls is synchronous with the holding of system data acquisition moment, to realize that growth data acquires.
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Cited By (4)
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| CN111503838A (en) * | 2020-04-08 | 2020-08-07 | 中铁建电气化局集团第一工程有限公司 | Air conditioner ventilation optimizing system for public building |
| CN111539559A (en) * | 2020-04-08 | 2020-08-14 | 中铁建电气化局集团第一工程有限公司 | Environmental control and operation guarantee platform for public building |
| CN111836523A (en) * | 2020-07-24 | 2020-10-27 | 广州亿效能科技有限公司 | Three-level adjusting method and system for air conditioner of communication building based on IT equipment load change |
| CN114396714A (en) * | 2021-12-14 | 2022-04-26 | 广州智业节能科技有限公司 | System and method for automatically controlling and operating system starting number |
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Application publication date: 20190823 |