CN201100704Y - Intelligent controlled energy-saving heat supply system - Google Patents
Intelligent controlled energy-saving heat supply system Download PDFInfo
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- CN201100704Y CN201100704Y CNU2007201735246U CN200720173524U CN201100704Y CN 201100704 Y CN201100704 Y CN 201100704Y CN U2007201735246 U CNU2007201735246 U CN U2007201735246U CN 200720173524 U CN200720173524 U CN 200720173524U CN 201100704 Y CN201100704 Y CN 201100704Y
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Abstract
An energy-saving heat-supply system which can be intelligently controlled comprises a heat supply network which is formed by a group of zoning heat supply units, and further is provided with an integrated controller and a group of parallel heat source devices, wherein a temperature sensor and a pressure sensor are installed on a water supply pipe and a water return pipe of each heat source device, cut-off motorized valves are installed on the water return pipes, the signal output of each sensor is connected with the input of the controller of heat source device, the cut-off motorized valves and the heat source devices are controlled by the integrated controller, a group of zoning controllers is additionally provided, electric three-way governing valves are installed on each zoning pipe, and are controlled by the relative zoning controller. A by-pass pipe with a mounting valve of heat source device is arranged among the main water return and water return pipes, water mixing pipes with a mounting valve are arranged between water supply pipes of an aggregate unit and a zoning unit, a temperature sensor and a pressure sensor are arranged on an aggregate circuit and a zoning circuit, and the output of each sensor is connected with the input of the integrated controller. A heat supply network adopts a heat supply network with a hydraulic balance network, the temperature sensor is arranged in the outside, and the integrated controller is connected with the heat source controller and an indoor temperature collecting system through communication ports.
Description
Technical field
The utility model relates to a kind of power-saving technology of heating system, relates in particular to a kind of energy-conservation heating system of intelligent control.
Background technology
China's northern area, mainly be central heating winter, heating system is divided into three types by structure: the one, direct supply system, the hot water that is about to the production of heating heat resource equipment is delivered directly to the user; The 2nd, between for system, be that the hot water of the heating heat resource equipment production secondary hot water by the heat exchanger heat exchange is transported to the user indirectly; The 3rd, for hybrid system, be an above-mentioned direct supply system and a combination between direct-furnish for two kinds of forms of system.These three kinds of heating system structures of the prior art all exist common defects: the one, and the power output of thermal source is by control artificially, the variation of weather requires the heat of output correspondingly to change, and what of quantity of heat given up, be to control with operating personnel's experience, operating personnel's quality has determined the heating comfort level; The 2nd, the hydraulic misadjustment of outer net, hydraulic misadjustment are divided into vertical and off-leveling, and vertical misadjustment causes temperature contrast between the floor, as above supplies the phenomenon of indoor heating system upper heat and lower cold next time, and off-leveling causes near-thermal cold phenomenon far away; The 3rd, difference in functionalitys such as Office Area, residential area, school, kindergarten, hospital building does not have subregion, and the shared same water return pipeline that supplies can only come heat supply by peak demand during heat supply, certainly will cause the waste of the energy.Therefore, heating energy-saving is a total system job, and the technology utilization of single aspect is not reach desirable heat supply and energy-saving effect.
In addition, in the central heating mode, heat resource equipment all is independent control, and is mutually unrelated, reduced the unit efficiency of heat resource equipment.
Summary of the invention
The purpose of this utility model provides a kind of energy-conservation heating system of intelligent control, it is carrying out heating system on subregion transformation, the hydraulically balanced basis, adopt intelligent control system, temperature according to climate temperature and user's setting, automatically regulate heat supply temperature by different buildings, heat supply period, realize " heating according to need " target, energy savings substantially, thus provide a kind of omnibearing optimization to solve the technical scheme of heating energy-saving.
For achieving the above object, the utility model is taked following design:
A kind of energy-conservation heating system of intelligent control comprises the heat supply network of being made up of total heat supplying loop and heat supply unit, a component district; Described total heat supplying loop is made up of heat resource equipment, water circulating pump, water treatment facilities and constant pressure supply water equipment, total supply channel, total water return pipeline; Each district heating unit of heat supply unit, a described component district is connected with total heat supplying loop by direct-furnish or supplier's formula.
It also is provided with a Centralized Controller;
Described supplying heat source adopts the heat resource equipment of one group of parallel connection, each heat resource equipment is furnished with controller, temperature, pressure sensor are installed on the supply channel of each heat resource equipment, shutoff motor-driven valve and temperature, pressure sensor are installed on the water return pipeline, the signal output of each temperature, pressure sensor connects the input of heat resource equipment controller, and the keying of the shutoff motor-driven valve of each heat resource equipment and the power output of heat resource equipment are controlled by Centralized Controller;
Other is provided with a component area controller, and the electric three passes control valve is installed on the supply channel of each district heating unit, and each electric three passes control valve is controlled by corresponding minute area controller;
Between total water return pipeline and total supply channel, the bypass line of heat resource equipment is installed, and is installed additional the bypass motor-driven valve that opens and closes by Centralized Controller control;
Between the water supply line of total water return loop and district heating element loop, the pipeline that mixes water is installed, and is installed additional the mixed water motor-driven valve of transferring by Centralized Controller control joint;
Be provided with temperature and pressure sensor in each loop of total heat supplying loop, district heating unit, the signal output of each temperature and pressure sensor connects the input of Centralized Controller;
The heat supply network of being made up of total heat supplying loop and each district heating unit adopts hydraulic equilibrium structure heat supply network, is provided with the indoor temperature acquisition system;
Centralized Controller links to each other with the controller of heat resource equipment through communication port.
Centralized Controller links to each other with indoor temperature acquisition system, branch area controller through the GPRS/CDMA module.
Heat supply unit, a described component district can be the zoning unit of dividing by building function.
Described Centralized Controller connects industrial computer through signal RS485/RS232 converter, and the output of industrial computer can connect printer.
The utility model has the advantages that:
1, native system provides total solution, maximizing ground energy savings;
2, can provide the fundamental analysis data for overhaul of the equipments, maintenance analysis;
3, for heating network operation, scheduling in time provide data, can improve the scientific management level.
Description of drawings
Fig. 1 is that the utility model one embodiment (supplying between direct-furnish to mix) system constitutes schematic diagram
Fig. 2 is the utility model Centralized Controller electrical schematic diagram
Fig. 3 is the utility model sub-controller electrical schematic diagram
Fig. 4 is the utility model control principle block diagram
The specific embodiment
As shown in Figure 1, the energy-conservation heating system of the intelligent control of the utility model comprises the heat supply network of being made up of total heat supplying loop and heat supply unit, a component district.
For reaching energy-efficient and effectively control, heat supply network of the present utility model should adopt the heat supply network of hydraulic equilibrium structure.At first solve the problem of horizontal hydraulic misadjustment, constant flow control valve is installed at the return pipe place of every main branch road of subregion (on each return line in every building), least favorable link (heat supply end) then need not be installed, according to each area of heat-supply service and architectural exterior-protecting construction situation for the loop, go out the demand of thermic load by mathematical computations, regulate the streamflow of constant flow control valve again,, solve the problem of horizontal hydraulic misadjustment with this aspect with the demand of the thermal loads that reaches this part.Next is to solve vertical waterpower imbalance, and under the situation of two standpipes, each floor is installed constant flow control valve, calculates required thermic load according to the actual area of heat-supply service of each household, regulates the flow of house lead in then according to calculated value.Under the situation of single standpipe, then to adopt the leap Manifold technology, as above supply mode next time, between the turnover pipe of each household, install a tubule additional, the bottom can not installed, the size of caliber is calculated definite by on-way resistance and area of heat-supply service, thereby reaches reasonably dispense flow rate, solves vertical waterpower imbalance with these two kinds of methods.
Described total heat supplying loop is made up of the heat resource equipment 3 of one group of parallel connection and water circulating pump 26, water treatment and constant pressure supply water equipment 23 and total supply channel 17, total water return pipeline 24.
Described one group (more than one) district heating unit can be two district heating unit as shown in this embodiment, set up branch area controller 13, two above electric three passes control valves 9,10 are installed on the supply channel of this district heating unit, and each electric three passes control valve is controlled by branch area controller 13; Each district heating unit joins with total heat supplying loop by direct-furnish or supplier's formula, and total heat supplying loop is directly to be subregion one heat supply (direct-furnish mode) by water knockout drum, and total heat supplying loop is subregion two heat supplies (supplier's formulas) by heat exchanger indirectly.
For realizing intelligent centralized Control, the utility model system sets up the subregion system to newly-built central heating sub-district, or to the transformation of former central heating sub-district implementation subregion, the building of difference in functionality is set up subregion disaggregatedly, should carry out two-way as residential area and Office Area and supply water return pipeline respectively, the three-way control valve that installation mixing heating agent is used on the return pipe branch road that supplies with the Office Area office building, cooperate iversion controller carry out time-sharing and temperature-dividing system, in the normal heat supply of normal office work time, non-office hours or day off are taked preservation and controlling, thereby reach the purpose of energy savings.
Described Centralized Controller 1 is a control core of the present utility model, the Centralized Controller electrical schematic diagram is as shown in Figure 2: Centralized Controller is the PLC Programmable Logic Controller that adopts the S7_200 series of siemens, have two RS485 communication ports, expand two analog quantity input modules, an analog output module and a GPRS/CDMA communication module.One of them RS485 communication port is to link to each other with industrial computer, all data of Centralized Controller are delivered to industrial computer preserve and analyze usefulness, industrial computer is used for monitoring heat resource equipment and heating network operation situation, have functions such as user management, the setting of control parameter, operational factor demonstration, operational factor record, alarm indication, alarm logging, equipment control, data analysis, temperature control trend analysis, the output termination printer of industrial computer.Another RS485 communication port links to each other with heat resource equipment controller 4RS485 port, and the one, image data; The 2nd, 4 operations of control heat resource equipment controller are regulated.The RS/CDMA communication module is the data that are used for gathering iversion controller.Centralized Controller has been gathered the total water return pipeline 24 of thermal source and temperature, the pressure signal of total supply channel 17, and controls shutoff motor-driven valve 2, bypass motor-driven valve 5, the mixed water motor-driven valve 7 of heat resource equipment.When heat resource equipment moved, the shutoff motor-driven valve 2 of this heat resource equipment was opened, and after heating agent inflow heat resource equipment heats, entered total supply channel 17 again.When heat resource equipment is out of service, turn-off valve of electric valve 2 and close, heating agent is regulated through bypass motor-driven valve 5.Mix water motor-driven valve 7 and be used for regulating mixed water lines 15 temperature.
The sub-controller electrical schematic diagram is as shown in Figure 3: the HMI-3804 controller that adopts powerful z_world, has the input of 8 tunnel analog quantitys, 8 road digital quantity input and output, a RS485 and a RJ45 interface, LCD128 * 64 Chinese show ten function membrane keyboards, the flash of 256K, the SRAM of 128K, real-time clock (RTC) and hardware watchdog when having.Correction factor in iversion controller under built-in four temperature control curves and the different time sections, iversion controller receives the signal of Centralized Controller by GPRS/CDMA, the three- way control valve 9,10 of control branch road A, B, rely on the regulating spool aperture, regulate the flow and the heat distribution of heat supply branch road respectively, realization difference in functionality building, different heat-supplying modes, i.e. subregion control.
Shown in Figure 4 is the utility model control principle block diagram, control principle is as follows: Centralized Controller comprises digital quantity input (DI), digital quantity output (DO), analog quantity input (AI), analog quantity output (AO), RS485 communication interface, GPRS/CDMA communication module; Heat resource equipment this locality/collection control conversion, system start, fault resets, stops jingle bell, the chain connection digital quantity of temperature importation, realize above-mentioned functions; Digital quantity output is turn-offed motor-driven valve, bypass motor-driven valve, the valve position size of mixing the water motor-driven valve, the start and stop of buzzer, the start and stop of circulating pump according to the intelligent control program control of CPU; The total supply water temperature of analog quantity input acquiring heat supply system, total return water temperature, water rationing temperature, a subzone return water temperature, secondary water rationing temperature, two subzone return water temperatures, turn-off motor-driven valve valve position, thermal source bypass motor-driven valve valve position, mix water motor-driven valve valve position, outdoor temperature (at the outdoor outdoor temperature sensor 25 that is provided with) signal.The frequency of analog quantity output control water circulating pump, thereby the rotating speed of control water circulating pump; Centralized Controller is connected with each heat resource equipment controller by the RS485 communication interface, realizes the centralized Control of many heat resource equipments; Iversion controller receives the order of Centralized Controller by the GPRS/CDMA network, controls the subregion electric T-shaped valve, realizes subregion control; Centralized Controller is used for the system signal monitoring by the temperature signal that temperature acquisition system in the GPRS/CDMA network receiving chamber collects.Industrial computer is connected with Centralized Controller by signal adapter; computer receives the operating condition of all heat resource equipments and subsidiary engine; as move, stop, state and parameter such as temperature, pressure, flow; and write down, print; operation to equipment provides interlock protection; can carry out energy consumption analysis, temperature control trend analysis, system running state analysis etc.
Main creation point of the present utility model is: described supplying heat source adopts an assembly that the heat resource equipment 3 of controller 4 is arranged, this group heat resource equipment is adopted the team control technology, all heat resource equipments are parallel with one another, and the startup of every heat resource equipment stops, power output is controlled by Centralized Controller 1 (group control system).And on supply channel, water return pipeline and total supply channel of heat resource equipment, total water return pipeline, difference mounting temperature sensor 18,28,19,21 and pressure sensor 6,27,20,22, on the water return pipeline of heat resource equipment, install and turn-off motor-driven valve 2, between total water return pipeline 24 and total supply channel 17, the bypass line 16 of heat resource equipment is installed, and is installed additional the bypass motor-driven valve 5 that opens and closes by Centralized Controller control; The direct-furnish supply channel of subregion one and water return pipeline be mounting temperature sensor 8,14 respectively; Supply channel of confession and primary water pipeline difference mounting temperature sensor 11,12 between subregion two; The signal output of each temperature, pressure sensor connects the input of heat resource equipment controller, and the keying of the shutoff motor-driven valve 2 of each heat resource equipment and the heat outputting of heat resource equipment are power-controlled in Centralized Controller 1.The heat supply network of being made up of total heat supplying loop and each district heating unit adopts hydraulic equilibrium structure heat supply network, is provided with indoor temperature acquisition system 29.Centralized Controller links to each other with the controller of heat resource equipment through communication port.Centralized Controller links to each other with indoor temperature acquisition system, branch area controller through the GPRS/CDMA module.
The various embodiments described above can not break away under the scope of the present utility model in addition some variations, thus above explanation comprises and accompanying drawing shown in structure should be considered as exemplary, but not in order to limit claim of the present utility model.
Claims (6)
1, a kind of energy-conservation heating system of intelligent control comprises the heat supply network of being made up of total heat supplying loop and heat supply unit, a component district;
Described total heat supplying loop is by supplying heat source and water circulating pump, water treatment and constant pressure supply water equipment, form for water return pipeline;
Each district heating unit of heat supply unit, a described component district connects with total heat supplying loop by direct-furnish or supplier's formula;
It is characterized in that:
The branch area controller is set, the electric three passes control valve is installed on the supply channel of each district heating unit, each electric three passes control valve is controlled by the branch area controller;
One Centralized Controller is set;
Described supplying heat source adopts the heat resource equipment of one group of parallel connection, each heat resource equipment is furnished with controller, shutoff motor-driven valve and temperature, pressure sensor are installed on the water return pipeline of each heat resource equipment, the signal output of each temperature, pressure sensor connects the input of heat resource equipment controller, and the keying of the shutoff motor-driven valve of each heat resource equipment and the power output of heat resource equipment are controlled by Centralized Controller;
Between total water return pipeline and total supply channel, the bypass line of heat resource equipment is installed, and is installed additional the bypass motor-driven valve that opens and closes by Centralized Controller control;
Between the water supply line of total water return loop and district heating element loop, the pipeline that mixes water is installed, and is installed additional the mixed water motor-driven valve that opens and closes by Centralized Controller control;
Be provided with temperature and pressure sensor in each loop of total heat supplying loop, district heating unit, the signal output of each temperature and pressure sensor connects the input of Centralized Controller;
The heat supply network of being made up of total heat supplying loop and each district heating unit adopts hydraulic equilibrium structure heat supply network, at the outdoor outdoor temperature sensor that is provided with;
Centralized Controller links to each other with the controller and the indoor temperature acquisition system of heat resource equipment through communication port.
2, the energy-conservation heating system of intelligent control according to claim 1 is characterized in that: heat supply unit, a described component district can be the zoning unit of dividing by building function.
3, the energy-conservation heating system of intelligent control according to claim 2 is characterized in that: described subregion master branch road level to return pipe front end place constant flow control valve is installed.
4, the energy-conservation heating system of intelligent control according to claim 2 is characterized in that: every layer constant flow control valve is installed in pipeline vertically at described subregion.
5, the energy-conservation heating system of intelligent control according to claim 1, it is characterized in that: described Centralized Controller connects industrial computer through signal adapter.
6, the energy-conservation heating system of intelligent control according to claim 5 is characterized in that: the output termination printer of described industrial computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201735246U CN201100704Y (en) | 2007-09-30 | 2007-09-30 | Intelligent controlled energy-saving heat supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201735246U CN201100704Y (en) | 2007-09-30 | 2007-09-30 | Intelligent controlled energy-saving heat supply system |
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| CN201100704Y true CN201100704Y (en) | 2008-08-13 |
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| CNU2007201735246U Expired - Lifetime CN201100704Y (en) | 2007-09-30 | 2007-09-30 | Intelligent controlled energy-saving heat supply system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2464984A (en) * | 2008-11-03 | 2010-05-05 | Laing O Rourke Plc | Energy efficient zonal climate control system for commercial buildings |
| CN102269445A (en) * | 2011-07-19 | 2011-12-07 | 史雪梅 | Heating system energy-saving control device |
| CN102635894A (en) * | 2012-05-04 | 2012-08-15 | 北京市旭广厦暖通节能设备有限责任公司 | Balance controlling method of heating system and diagnosis measuring device |
| CN103163911A (en) * | 2013-01-31 | 2013-06-19 | 石家庄均宜采暖科技有限公司 | Temperature controlling system and method of electrical heating system |
| WO2014075303A1 (en) * | 2012-11-16 | 2014-05-22 | 格兰富控股联合股份公司 | Thermal equilibrium set and control method and control apparatus thereof |
| CN104048347A (en) * | 2014-07-01 | 2014-09-17 | 威海国能自控科技有限公司 | Intelligent heat supply network integrated system and control method thereof |
| CN104813106A (en) * | 2012-11-16 | 2015-07-29 | 格兰富控股联合股份公司 | Thermal equilibrium set |
| CN106016447A (en) * | 2016-06-02 | 2016-10-12 | 珠海格力电器股份有限公司 | Heating-supply pipeline network regulating method and system |
-
2007
- 2007-09-30 CN CNU2007201735246U patent/CN201100704Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2464984B (en) * | 2008-11-03 | 2010-09-15 | Laing O Rourke Plc | Environmental climate control for commercial buildings |
| GB2464984A (en) * | 2008-11-03 | 2010-05-05 | Laing O Rourke Plc | Energy efficient zonal climate control system for commercial buildings |
| CN102269445A (en) * | 2011-07-19 | 2011-12-07 | 史雪梅 | Heating system energy-saving control device |
| CN102635894B (en) * | 2012-05-04 | 2014-11-19 | 北京市旭广厦暖通节能设备有限责任公司 | Balance controlling method of heating system and diagnosis measuring device |
| CN102635894A (en) * | 2012-05-04 | 2012-08-15 | 北京市旭广厦暖通节能设备有限责任公司 | Balance controlling method of heating system and diagnosis measuring device |
| CN104813106A (en) * | 2012-11-16 | 2015-07-29 | 格兰富控股联合股份公司 | Thermal equilibrium set |
| WO2014075303A1 (en) * | 2012-11-16 | 2014-05-22 | 格兰富控股联合股份公司 | Thermal equilibrium set and control method and control apparatus thereof |
| CN104769364A (en) * | 2012-11-16 | 2015-07-08 | 格兰富控股联合股份公司 | Thermal equilibrium set and control method and control apparatus thereof |
| CN104769364B (en) * | 2012-11-16 | 2017-09-08 | 格兰富控股联合股份公司 | Thermal balance unit and its control method and control device |
| CN104813106B (en) * | 2012-11-16 | 2018-01-12 | 格兰富控股联合股份公司 | Thermal balance unit |
| CN103163911A (en) * | 2013-01-31 | 2013-06-19 | 石家庄均宜采暖科技有限公司 | Temperature controlling system and method of electrical heating system |
| CN104048347A (en) * | 2014-07-01 | 2014-09-17 | 威海国能自控科技有限公司 | Intelligent heat supply network integrated system and control method thereof |
| CN104048347B (en) * | 2014-07-01 | 2017-09-19 | 赵爱国 | Wisdom heat supply network integrated system and its control method |
| CN106016447A (en) * | 2016-06-02 | 2016-10-12 | 珠海格力电器股份有限公司 | Heating-supply pipeline network regulating method and system |
| CN106016447B (en) * | 2016-06-02 | 2019-01-08 | 珠海格力电器股份有限公司 | Heating network regulates and controls method and system |
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