CN106123105A - A kind of system controlling heat supply network heat energy distribution - Google Patents
A kind of system controlling heat supply network heat energy distribution Download PDFInfo
- Publication number
- CN106123105A CN106123105A CN201610518700.9A CN201610518700A CN106123105A CN 106123105 A CN106123105 A CN 106123105A CN 201610518700 A CN201610518700 A CN 201610518700A CN 106123105 A CN106123105 A CN 106123105A
- Authority
- CN
- China
- Prior art keywords
- water
- network
- plc
- secondary network
- pressure transducer
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000008400 supply water Substances 0.000 claims description 18
- 230000003020 moisturizing effect Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 9
- 230000002265 prevention Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1012—Arrangement or mounting of control or safety devices for water heating systems for central heating by regulating the speed of a pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
- F24D3/1058—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/16—Waste heat
Abstract
The present invention relates to a kind of system controlling heat supply network heat energy distribution, including thermal source, the network pipeline being connected with thermal source, it is connected to a heat exchanger between network pipeline and secondary network pipeline, a network pipeline and secondary network pipeline are respectively mounted detection water supply and backwater water temperature and pressure transducer, secondary network water return pipeline connects and has small pump and the circulating pump of band circulating pump converter of band small pump converter, transmission data by each sensor of PLC Real-time Collection, this system also includes the linearquadratic regulator receiving each sensor temperature data respectively, the control constant obtained according to each sensor temperature data is flowed to PLC by linearquadratic regulator, the output order of regulation PLC.Existing Prevention in Control System of Heating Net is optimized by the present invention, designs linearquadratic regulator, creates closed-loop control system and reaches effectively to control the purpose of heat supply network heat energy distribution.
Description
Technical field
The invention belongs to heat supply network heat energy and control technical field, a kind of system controlling heat supply network heat energy distribution.
Background technology
Thermal power plant, generating while utilize steam turbine bleed be peripheral region with aerofluxus user's heat supply, do
" can be use up it use ", the environmental protection industry not only producing electric energy but also heating are arrived.The heat-supplying mode in thermal power plant be divided into dispersed supply of heating with
Central heating, wherein central heating is the main means of northern area household heating.But heat in thermal power plant, or with
It is main for consuming fire coal, and environmental protection often or is caused certain pressure by irrational heating control means.Due to building of office character
Build thing, such as office building, the building of unit etc. and resident's character, as residential building has greatly difference for the demand of heat supply, so one
Plant the method effectively controlling different regions different periods temperature, for national energy-saving reduction of discharging, there is the contribution on definite meaning.
Summary of the invention
It is an object of the invention to for the deficiencies in the prior art, and propose a kind of system controlling heat supply network heat energy distribution.
The present invention solves it and technical problem is that and take techniques below scheme to realize:
A kind of system controlling heat supply network heat energy distribution, the secondary net supply channel including thermal source and being connected with thermal source and once
Net water return pipeline, is connected to heat exchanger, two-pass heat exchanger on a secondary net supply channel and a secondary net water return pipeline
It is connected as secondary network heat supply respectively, in a secondary net supply channel and a secondary net with secondary network supply channel and secondary network water return pipeline
Detection one secondary net water supply water temperature and pressure transducer and detection one secondary net backwater water temperature and pressure it is separately installed with on water return pipeline
Sensor, is separately installed with detection secondary network water supply water temperature on secondary network supply channel and secondary network water return pipeline and pressure passes
Sensor and detection secondary network backwater water temperature and pressure transducer, connect on secondary network water return pipeline and have the benefit being mounted with water supply tank
Water pump, small pump, by small pump Frequency Converter Control, is also associated with circulating pump on secondary network water return pipeline, and circulating pump is by circulating pump
Frequency Converter Control, a described secondary net water supply water temperature and pressure transducer, a secondary net backwater water temperature and pressure transducer, secondary network confession
Water water temperature and pressure transducer, secondary network backwater water temperature and pressure transducer, small pump converter and circulating pump converter are respectively
It is connected with PLC, by the transmission data of each sensor of PLC Real-time Collection, controls small pump converter and circulation
The duty of pump frequency conversion device, it is characterised in that: this system also includes linearquadratic regulator, linearquadratic regulator
Respectively with a secondary net water supply water temperature and pressure transducer, a secondary net backwater water temperature and pressure transducer, secondary network water supply water temperature and
Pressure transducer and secondary network backwater water temperature and pressure transducer connect, and receive the temperature data of each sensor, Linear-Quadratic Problem
Actuator is connected with PLC, and the control constant obtained according to each sensor temperature data is flowed to PLC, adjusts
The output order of joint PLC, the output order of PLC flows to small pump converter and circulating pump converter, adjusts
Joint small pump converter and the duty of circulating pump converter.
And, secondary network water return pipeline is further fitted with calorimeter.
And, described PLC is connected with outdoor temperature sensor, gathers outdoor temperature constantly for PLC control
Device controls the adjustment of parameter.
The positive effect of the present invention
Existing Prevention in Control System of Heating Net is optimized by the present invention, designs linearquadratic regulator (LQR) feedback controller,
Create closed-loop control system and reach effectively to control the purpose of heat supply network heat energy distribution.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of Prevention in Control System of Heating Net of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the embodiment of the present invention is further described: it is emphasized that enforcement of the present invention
Example is illustrative rather than determinate, and therefore the present invention is not limited to the embodiment described in detailed description of the invention, every
Other embodiment drawn according to technical scheme by those skilled in the art, also belongs to the model of present invention protection
Enclose.
A kind of system controlling heat supply network heat energy distribution, as it is shown in figure 1, include that thermal source and the secondary net being connected with thermal source supply water
Pipeline and a secondary net water return pipeline, be connected to heat exchanger on a secondary net supply channel and a secondary net water return pipeline, and two
Road heat exchanger is connected as secondary network heat supply with secondary network supply channel and secondary network water return pipeline respectively, at a secondary net feed pipe
Detection one secondary net water supply water temperature and pressure transducer and detection one secondary net backwater it is separately installed with on road and a secondary net water return pipeline
Water temperature and pressure transducer, be separately installed with detection secondary network water supply water on secondary network supply channel and secondary network water return pipeline
Temperature and pressure transducer and detection secondary network backwater water temperature and pressure transducer, connect on secondary network water return pipeline and be mounted with
The small pump of water supply tank, small pump, by small pump Frequency Converter Control, is also associated with circulating pump on secondary network water return pipeline, circulation
Pump is by circulating pump Frequency Converter Control, a described secondary net water supply water temperature and pressure transducer, secondary net backwater water temperature and a pressure sensing
Device, secondary network water supply water temperature and pressure transducer, secondary network backwater water temperature and pressure transducer, small pump converter and circulating pump
Converter is connected with PLC respectively, by the transmission data of each sensor of PLC Real-time Collection, controls small pump and becomes
Frequently device and the duty of circulating pump converter, it is characterised in that: this system also includes linearquadratic regulator, and linear two
Secondary type actuator respectively with a secondary net water supply water temperature and pressure transducer, secondary net backwater water temperature and pressure transducer, a secondary network
Water supply water temperature and pressure transducer and secondary network backwater water temperature and pressure transducer connect, and receive the temperature data of each sensor,
Linearquadratic regulator is connected with PLC, and the control constant obtained according to each sensor temperature data is flowed to PLC
Controller, the output order of regulation PLC, the output order of PLC flows to small pump converter and circulating pump
After converter, thus regulate the distribution of heat supply network heat energy.
In being embodied as of the present invention, secondary network water return pipeline is further fitted with calorimeter.
In being embodied as of the present invention, described PLC is connected with outdoor temperature sensor, gathers outdoor temp constantly
Degree for controlling the adjustment of parameter to PLC.
Operation principle
Power plant is sent into heat exchange station by a pipe network circulation heat unnecessary hot water (thermal source), the heat friendship in heat exchange station
The user that parallel operation flows to heat need to heat by crossing secondary network to circulate.In heat exchange station, the control system of script is furnished with some
The ginsengs such as individual sensor, monitors a secondary net water supply, the water supply of a secondary net backwater, secondary network and the temperature of secondary network backwater respectively, pressure
Number.Temperature is only considered in the present invention.PLC can receive the monitoring digital signal of water supply, return water temperature and pressure,
LQR controller only receives temperature signal and is analyzed temperature processing, and generates according to the distribution of state space temperature and often controls
Number.Control constant is sent into as definite value in controller PLC, and PLC is by the measured value arrived by sensor measurement before and this definite value
Compare, generate control instruction, and go to assign instruction by converter.
Claims (3)
1. control a system for heat supply network heat energy distribution, the secondary net supply channel including thermal source and being connected and a secondary net with thermal source
Water return pipeline, is connected to heat exchanger on a secondary net supply channel and a secondary net water return pipeline, and two-pass heat exchanger is divided
And secondary network supply channel and secondary network water return pipeline are connected as secondary network heat supply, do not return at a secondary net supply channel and a secondary net
It is separately installed with detection one secondary net water supply water temperature and pressure transducer and detection one secondary net backwater water temperature in water lines and pressure passes
Sensor, is separately installed with detection secondary network water supply water temperature and pressure sensing on secondary network supply channel and secondary network water return pipeline
Device and detection secondary network backwater water temperature and pressure transducer, connect on secondary network water return pipeline and have the moisturizing being mounted with water supply tank
Pump, small pump, by small pump Frequency Converter Control, is also associated with circulating pump on secondary network water return pipeline, and circulating pump is become by circulating pump
Frequently device controls, a described secondary net water supply water temperature and pressure transducer, a secondary net backwater water temperature and pressure transducer, secondary network water supply
Water temperature and pressure transducer, secondary network backwater water temperature and pressure transducer, small pump converter and circulating pump converter respectively with
PLC connects, and by the transmission data of each sensor of PLC Real-time Collection, controls small pump converter and circulating pump
The duty of converter, it is characterised in that: this system also includes linearquadratic regulator, and linearquadratic regulator divides
Not with a secondary net water supply water temperature and pressure transducer, a secondary net backwater water temperature and pressure transducer, secondary network water supply water temperature and pressure
Force transducer and secondary network backwater water temperature and pressure transducer connect, and receive the temperature data of each sensor, and Linear-Quadratic Problem is adjusted
Joint device is connected with PLC, and the control constant obtained according to each sensor temperature data is flowed to PLC, regulation
The output order of PLC, the output order of PLC flows to small pump converter and circulating pump converter, regulation
Small pump converter and the duty of circulating pump converter.
The system of control heat supply network heat energy distribution the most according to claim 1, it is characterised in that: on secondary network water return pipeline
It is further fitted with calorimeter.
The system of control heat supply network heat energy distribution the most according to claim 1, it is characterised in that: described PLC and room
Outer temperature sensor connects, and gathers outdoor temperature constantly for PLC controls the adjustment of parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610518700.9A CN106123105B (en) | 2016-07-05 | 2016-07-05 | A kind of system controlling heat supply network heat energy distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610518700.9A CN106123105B (en) | 2016-07-05 | 2016-07-05 | A kind of system controlling heat supply network heat energy distribution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106123105A true CN106123105A (en) | 2016-11-16 |
| CN106123105B CN106123105B (en) | 2019-08-06 |
Family
ID=57468364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610518700.9A Active CN106123105B (en) | 2016-07-05 | 2016-07-05 | A kind of system controlling heat supply network heat energy distribution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106123105B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373441A (en) * | 2018-12-20 | 2019-02-22 | 普瑞森能源科技（北京）股份有限公司 | Heat supply network energy management system and its processing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1865862A (en) * | 2006-06-23 | 2006-11-22 | 张诚实 | Household heating temperature-controlled charging device and heating-cost calculating method |
| US20070074769A1 (en) * | 2003-10-16 | 2007-04-05 | Flowcon International A/S | Adjustable regulator insert with linear setting/flow characteristic |
| CN1981113A (en) * | 2004-05-06 | 2007-06-13 | 联合工艺公司 | Startup and control methods for an ORC bottoming plant |
| CN104053866A (en) * | 2011-11-17 | 2014-09-17 | 西门子公司 | Method and device for controlling temperature of steam for steam power plant |
| CN203869151U (en) * | 2013-07-04 | 2014-10-08 | 北京帅安节能设备有限公司 | Heating energy-saving control equipment for office building |
-
2016
- 2016-07-05 CN CN201610518700.9A patent/CN106123105B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070074769A1 (en) * | 2003-10-16 | 2007-04-05 | Flowcon International A/S | Adjustable regulator insert with linear setting/flow characteristic |
| CN1981113A (en) * | 2004-05-06 | 2007-06-13 | 联合工艺公司 | Startup and control methods for an ORC bottoming plant |
| CN1865862A (en) * | 2006-06-23 | 2006-11-22 | 张诚实 | Household heating temperature-controlled charging device and heating-cost calculating method |
| CN104053866A (en) * | 2011-11-17 | 2014-09-17 | 西门子公司 | Method and device for controlling temperature of steam for steam power plant |
| CN203869151U (en) * | 2013-07-04 | 2014-10-08 | 北京帅安节能设备有限公司 | Heating energy-saving control equipment for office building |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373441A (en) * | 2018-12-20 | 2019-02-22 | 普瑞森能源科技（北京）股份有限公司 | Heat supply network energy management system and its processing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106123105B (en) | 2019-08-06 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200612 Address after: 300452 209 (TG no.750), 2nd floor, animation building C, No.126, animation Middle Road, eco city, Binhai New Area, Tianjin Co-patentee after: STATE GRID TIANJIN ELECTRIC POWER Co. Patentee after: STATE GRID (TIANJIN) INTEGRATION ENERGY SERVICE Co.,Ltd. Co-patentee after: State Grid Corporation of China Address before: 300010 Tianjin city Hebei District Wujing Road No. 39 Co-patentee before: State Grid Corporation of China Patentee before: STATE GRID TIANJIN ELECTRIC POWER Co. |
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| TR01 | Transfer of patent right |