CN101929704B - Climate compensation controller of heating system - Google Patents
Climate compensation controller of heating system Download PDFInfo
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- CN101929704B CN101929704B CN2010102967514A CN201010296751A CN101929704B CN 101929704 B CN101929704 B CN 101929704B CN 2010102967514 A CN2010102967514 A CN 2010102967514A CN 201010296751 A CN201010296751 A CN 201010296751A CN 101929704 B CN101929704 B CN 101929704B
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Abstract
The invention relates to a climate compensation controller of a heating system. The heating system comprises a heat source and a plate heat exchanger. The climate compensation controller comprises a control module, a human machine interface module, an A/D converter and a temperature sensor, wherein the human machine interface module is connected with the communication interface of the control module; the A/D converter is connected with the input and output interface of the control module; and the temperature sensor is connected with the input interface of the A/D converter. The heat source is connected with the plate heat exchanger through a water supply pipe and a water-returning pipe; a bypass pipe is arranged between the water supply pipe and the water returning pipe; a solenoid valve is arranged at the connection place of the water supply pipe, the bypass pipe and the plate heat exchanger; and the solenoid valve is connected with the output interface of the A/D converter. The climate compensation controller of the heating system provided by the invention can adjust the temperature of the outlet water of the heat supply in real time according to the dynamic change of outdoor climate to keep the indoor temperature stable and comfortable. The climate compensation controller is the climate compensation controller with advanced control technology, which reduces the fuel consumption at the warm climate.
Description
Technical field
The present invention relates to a kind of controller of heating system, relate in particular to a kind of climate compensation controller of heating system.
Background technology
The insulation and the effect of heat insulation of China's building are not high enough, and this makes the efficient of heating system low, and indoor temperature can not be according to the variation of outdoor temperature and real-time regulated; Caused the gas consumption waste, simultaneously, because weather and temperature are changeable; Keep indoor temperature stable, increased certain degree of difficulty for the heating of heating system, simple climate compensation controller directly decides the heating leaving water temperature through simple heating curve; When outdoor temperature or abrupt change of climate; Heating system can not real-time regulated and cause indoor temperature too high or too low, and the stable of indoor temperature just do not reach comfortable requirement, and causes the waste of heating gas consumption.
Summary of the invention
Technical problem to be solved by this invention has provided a kind of climate compensation controller of heating system; This climate compensation controller can be adjusted the heating leaving water temperature in real time according to the dynamic change of outdoor climate; Keep indoor temperature stable, comfortable, lower a kind of climate compensation controller of gas consumption under temperature climate with control technology.
For addressing the above problem, technical scheme of the present invention is:
A kind of climate compensation controller of heating system; Said heating system comprises thermal source and plate type heat exchanger; Said climate compensation controller comprises control module, human-computer interface module, A/D converter and temperature sensor; Control module comprises master cpu and expansion module, integrated communicaton interface and input/output interface in the master cpu, and human-computer interface module links to each other with the communication interface of control module; A/D converter links to each other with the input/output interface of control module, and temperature sensor links to each other with the input interface of A/D converter;
Described thermal source links to each other with plate type heat exchanger through feed pipe, return pipe; Be provided with bypass pipe between feed pipe and the return pipe; The junction of feed pipe, bypass pipe and plate type heat exchanger is provided with magnetic valve; This magnetic valve links to each other with the output interface of A/D converter, and the opposite side of plate type heat exchanger directly links to each other with user terminal through feed pipe, return pipe.
Described temperature sensor comprises outdoor temperature sensor, indoor temperature transmitter, supply water temperature sensor, secondary water-supply temperature sensor and a return water temperature sensor; Outdoor temperature sensor links to each other with atmosphere; Indoor temperature transmitter is placed on user terminal, a supply water temperature sensor links to each other with the feed pipe of thermal source; The secondary water-supply temperature sensor links to each other with the feed pipe of user terminal, and the return water temperature sensor links to each other with the return pipe of thermal source.
Preferably, said climate compensation controller also comprises wireless communication module, and this wireless communication module links to each other with the communication interface of control module.
Preferably, described magnetic valve is a three-way control valve.
Preferably, the expansion module of described control module comprises digital quantity input/output module and analog quantity input/output module.
Preferably, described human-computer interface module is provided with the color touch screen.
The climate compensation controller of a kind of heating system provided by the invention; This climate compensation controller can be adjusted the heating leaving water temperature in real time according to the dynamic change of outdoor climate; Keep indoor temperature stable, comfortable, lower a kind of climate compensation controller of gas consumption under temperature climate with control technology.
Description of drawings
Fig. 1 is the work sketch map of the climate compensation controller of heating system.
Among the figure: 1-thermal source, 2-plate type heat exchanger, 3-climate compensation controller, 4-bypass pipe; The 5-magnetic valve, 6-user terminal, 7-outdoor temperature sensor, 8-indoor temperature transmitter; Supply water temperature sensor of 9-, 10-secondary water-supply temperature sensor, 11-return water temperature sensor.
Fig. 2 is that the module of climate compensation controller connects sketch map.
Fig. 3 is the circuit theory diagrams of climate compensation controller.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described.
Like Fig. 1, shown in Figure 2; Heating system of the present invention comprises thermal source 1 and plate type heat exchanger 2; Climate compensation controller 3 comprises control module, human-computer interface module, wireless communication module, A/D converter and temperature sensor; Control module comprises master cpu and expansion module, integrated communicaton interface and input/output interface in the master cpu, and expansion module comprises digital quantity input/output module and analog quantity input/output module; Wireless communication module, human-computer interface module link to each other with the communication interface of control module respectively; This human-computer interface module is provided with the color touch screen, and A/D converter links to each other with the input/output interface of control module, and temperature sensor links to each other with the input interface of A/D converter.
Control module model (DL-CPU124) is a programmable logic controller (PLC), integrated 2 communication ports, and one of them is communication interface (PPI); Another is the free communication mouth; Inner integrated MODBUS agreement, 14DI/10DO is totally 24 digital quantity I/O, and the program space is 12K; Data space is 8K, 4 5KHZ high-speed counters.Adopt input signal photoelectricity to isolate on the hardware, input point can be total to cloudy or be total to sun, the filtering time that can dispose each input point, reaches better anti-jamming capability.The communication interface lightning Protection Design can anti-2000V voltge surge.Can use with different module, extensibility is higher.The bit instruction speed of CPU is up to 0.3us on the software, and floating-point operation speed is up to 8us.It is user's secure routine that 4K is arranged in the user program of 12K, and the cipher protection function of level Four and the program space can only unidirectionally be downloaded, superpower maintaining secrecy.
The expansion module of DL-CPU124 comprises digital quantity input/output module and analog quantity input/output module, can flexible configuration, adapt to the demand of various boiler tonnages.DL-CPU124 can connect 3 IO expansion modules at most, the maximum configurable 64DI/64DO of digital quantity, the maximum configurable 16AI/16AO of analog quantity.The analog quantity input module adopts filtering algorithm, and sampling is accurately stable.The input/output signal scope is wide, voltage or electric current input and output.12 precision, the sample frequency of 50HZ, the application scenario that can satisfy all kinds of boilers.Power supply has reverse connecting protection, and the surge absorption function is applicable to abominable boiler room working environment.Signal input voltage up 30VDC, protective capability is strong.The digital quantity input module input adopts two-way photoelectricity to isolate, and reliability is high.Employing hardware filtering technology, the filtering time is 4.5ms, the disturbance rejection ability is strong.Transistor output module output photoelectricity is isolated, defencive functions such as band overvoltage, overcurrent.The maximum number of points that inputs or outputs of individual module is 8 points.
Human-computer interface module DL-HMI is to be the high-performance embedded integrated touch-screen of core (dominant frequency 400MHz) with embedded type low-power consumption CPU.This module adopts 7 inches high brightness TFT LCDs (resolution ratio 800 * 480); Four-wire resistance type touch screen (resolution ratio 1024 * 1024) has also been pre-installed embedded real-time multi-task operating system WinCE.NET of Microsoft (Chinese edition) and the embedded configuration software of MCGS (operation version) simultaneously.Power supply is 24VDC, and three types of external interfaces are arranged, and is respectively string, USB, Ethernet interface.
Wireless communication module DL-G/CNET is a wireless data transmission terminal equipment based on the GPRS/TD-SCDMA public network, provides full impregnated bright data channel, can realize long-range, wireless, networked communication mode easily.RS-485 communication interface among the CPU of DL-G/CNET module and DL-CPU124 is connected, and can realize that branch time-division temperature operational factor is like the remote transmission and the monitoring that go out return water temperature, valve opening and the period is provided with, setting data and the long-range setting of valve control.
As shown in Figure 3, power supply L2 is connected to earthing pole N through power switch 1QF2 and 1SK1 and indicator lamp 1HW1 polyphone.Power supply L2 directly supplies power to DL-CPU124 through power switch 1QF2 and 1SK1, and connector is 1L, 2L, 3L, and fuse 1FU1 and wireless communication module GPRS polyphone join, and are connected in parallel on the both sides of indicator lamp 1HW1; Fuse 1FU2 and flowmeter FT1 polyphone join, and are connected in parallel on the both sides of indicator lamp 1HW1; Fuse 1FU3 and three-way control valve V1 polyphone join, and are connected in parallel on the both sides of indicator lamp 1HW1; Switching Power Supply 2IPS1 has 4 interfaces; L interface links to each other with fuse 1FU4; The N mouth links to each other with earthing pole N, and V+ interface, V-the interface positive and negative interface of touch-screen respectively link to each other, and supply power to DL-CPU124 simultaneously; Connect L1+, the M interface of DL-CPU124, the M interface connects 1M, the 2M interface of DL-CPU124 simultaneously.
V+ interface, V-interface are supplied power to A/D converter (DL-EM135); The M, the L+ interface that connect A/D converter (DL-EM135); The L+ interface is connecting 1 interface of outdoor temperature sensor, 3 interfaces of supply water temperature sensor, 5 interfaces of return water temperature sensor and 7 interfaces of flowmeter respectively, and four analog quantity input A-of A/D converter, B-, C-, D-interface are connected to the M interface of this A/D converter simultaneously.Outdoor temperature sensor links to each other with A+ interface with the RA of A/D converter through 2 interfaces simultaneously; The supply water temperature sensor links to each other with the B+ interface with the RB of A/D converter through 4 interfaces simultaneously; The return water temperature sensor links to each other with the C+ interface with the RC of A/D converter through 6 interfaces simultaneously; Flowmeter links to each other with the D+ interface with the RD of A/D converter through 8 interfaces simultaneously, and three-way control valve links to each other with the IO interface with the MO of A/D converter respectively through interface 9,10 interfaces.
Heating system under the control of climate compensation controller connects through following manner: thermal source 1 links to each other with plate type heat exchanger 2 through feed pipe, return pipe; Be provided with bypass pipe 4 between feed pipe and the return pipe; The junction of feed pipe, bypass pipe 4 and plate type heat exchanger 2 is provided with magnetic valve 5; This magnetic valve 5 is a three-way control valve, and it links to each other with the output interface of A/D converter, and the opposite side of plate type heat exchanger 2 directly links to each other with user terminal 6 through feed pipe, return pipe.Temperature sensor comprises outdoor temperature sensor 7, indoor temperature transmitter 8, supply water temperature sensor 9, secondary water-supply temperature sensor 10 and a return water temperature sensor 11; Outdoor temperature sensor 7 links to each other with atmosphere; Indoor temperature transmitter 8 is placed on user terminal 6, a supply water temperature sensor 9 links to each other with the feed pipe of thermal source 1; Secondary water-supply temperature sensor 10 links to each other with the feed pipe of user terminal 6, and return water temperature sensor 11 links to each other with the return pipe of thermal source 1.
The principle of weather compensation control technology is the change dynamics adjustment heating leaving water temperature according to outdoor climate, thereby lowers a kind of technology of gas consumption under temperature climate.Climate compensation controller passes through the preliminary heating leaving water temperature of simple heating curve setting earlier, and the temperature acquisition information according to outdoor temperature sensor 7, indoor temperature transmitter 8 decides secondary heating leaving water temperature again.A circulating water flow of participating in heat exchange through 5 adjustings of electric three passes control valve reaches the purpose of regulating secondary heating leaving water temperature, according to the requirement of secondary heating leaving water temperature, and the flow that pipe network of means adjustment of employing flow-dividing control changes through plate.If shunt excessively, show the overshoot of present heating demand, at this moment will readjust the total flow of a webmaster and come balance, guarantee that indoor temperature stablizes comfortable the time, accomplish that maximized optimization is energy-conservation.
Along with outdoor temperature descends; The heat loss of building increases; Thereby need to increase more heat to prevent indoor temperature decline, because supply water temperature depends on outdoor temperature, so climate compensation controller is set up many heating curves between outdoor temperature and supply water temperature.The heating curve provides outdoor temperature every decline 1 degree, the value that supply water temperature rises.Select suitable heating curve, guarantee that indoor temperature keeps constant.If heating curve choosing is too low, then leaving water temperature is crossed and lowly can be caused being not enough to supply with enough heats room temperature is descended; If heating curve choosing is too high, then leaving water temperature is too high and cause room temperature overheated.
The selection of heating curve has dual mode: a kind of is on operation interface, manually to select, and operating personnel can select the curve that heats according to running situation and environmental change; Another kind is adaptively selected according to indoor temperature feedback, and the control system comes Automatic computing system heating curve according to indoor temperature and outdoor temperature, and the computing formula of the slope of curve that heats is:
Climate compensation controller of the present invention can be according to the variation of indoor temperature transmitter 8 perception interior of building thermals source, for example people, sunshine and some heating installations.The feedback compensation of indoor temperature the acquisition of internal heat, can recomputate the heating slope of a curve this moment, can be through moving heating curve, the supply water temperature of regulating system again.If room temperature is too low, then automatically curve is moved up, if room temperature is too high, the curve that then will heat moves down.
The present invention has utilized more weather backoff algorithm; On the basis of heating curve, added correction term; Revise data based actual indoor temperature and outdoor temperature and weather conditions and determine the curve model of coolant-temperature gage, realize the effect of climate compensation controller real-time monitoring, according to the dynamic adjustments of correction term; So just can control leaving water temperature more accurately, reach the purpose of heating energy consumption reduction.
At last, should be pointed out that above embodiment only is the more representational example of the present invention.Obviously, the invention is not restricted to the foregoing description, many distortion can also be arranged.Every foundation technical spirit of the present invention all should be thought to belong to protection scope of the present invention to any simple modification, equivalent variations and modification that above embodiment did.
Claims (5)
1. the climate compensation controller of a heating system; Said heating system comprises thermal source and plate type heat exchanger; It is characterized in that said climate compensation controller comprises control module, human-computer interface module, A/D converter and temperature sensor, control module comprises master cpu and expansion module; Integrated communicaton interface and input/output interface in the master cpu; Human-computer interface module links to each other with the communication interface of control module, and A/D converter links to each other with the input/output interface of control module, and temperature sensor links to each other with the input interface of A/D converter;
Described thermal source links to each other with plate type heat exchanger through feed pipe, return pipe; Be provided with bypass pipe between feed pipe and the return pipe; The junction of feed pipe, bypass pipe and plate type heat exchanger is provided with magnetic valve; This magnetic valve links to each other with the output interface of A/D converter, and the opposite side of plate type heat exchanger directly links to each other with user terminal through feed pipe, return pipe;
Described temperature sensor comprises outdoor temperature sensor, indoor temperature transmitter, supply water temperature sensor, secondary water-supply temperature sensor and a return water temperature sensor; Outdoor temperature sensor links to each other with atmosphere; Indoor temperature transmitter is placed on user terminal, a supply water temperature sensor links to each other with the feed pipe of thermal source; The secondary water-supply temperature sensor links to each other with the feed pipe of user terminal, and the return water temperature sensor links to each other with the return pipe of thermal source.
2. according to the climate compensation controller of the said heating system of claim 1, it is characterized in that said climate compensation controller also comprises wireless communication module, this wireless communication module links to each other with the communication interface of control module.
3. according to the climate compensation controller of the said heating system of claim 1, it is characterized in that described magnetic valve is a three-way control valve.
4. according to the climate compensation controller of the said heating system of claim 1, it is characterized in that the expansion module of described control module comprises digital quantity input/output module and analog quantity input/output module.
5. according to the climate compensation controller of the said heating system of claim 1, it is characterized in that described human-computer interface module is provided with the color touch screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102967514A CN101929704B (en) | 2010-09-29 | 2010-09-29 | Climate compensation controller of heating system |
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| CN2010102967514A CN101929704B (en) | 2010-09-29 | 2010-09-29 | Climate compensation controller of heating system |
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| CN101929704B true CN101929704B (en) | 2012-09-05 |
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| CN102721104B (en) * | 2012-06-11 | 2016-08-17 | 北京金房暖通节能技术股份有限公司 | Central heating system supply water temperature weather compensation control method |
| CN103673072B (en) * | 2013-12-08 | 2016-06-22 | 侯静霞 | Constant-temperature water supply device, method and heating equipment |
| CN106287929A (en) * | 2016-08-08 | 2017-01-04 | 珠海格力电器股份有限公司 | The control device of heating equipment and control method |
| CN106766222B (en) * | 2016-12-26 | 2019-08-16 | 珠海格力电器股份有限公司 | The supply water temperature adjusting method and device of heat pump water-heating machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196311A (en) * | 2008-01-07 | 2008-06-11 | 张伟 | Control device for heating system |
| CA2613908A1 (en) * | 2007-12-07 | 2009-06-07 | Kuzo Holding Inc. | Radiant heating system utilizing heat exchanger and circulated pulsed electrolysis system medium and method of using same |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2613908A1 (en) * | 2007-12-07 | 2009-06-07 | Kuzo Holding Inc. | Radiant heating system utilizing heat exchanger and circulated pulsed electrolysis system medium and method of using same |
| CN101196311A (en) * | 2008-01-07 | 2008-06-11 | 张伟 | Control device for heating system |
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Owner name: HANGZHOU DELIAN TECHNOLOGY CO., LTD. Free format text: FORMER NAME: DELIN TECHNOLOGY CO., LTD. |
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Address after: 1-102 S5 building 475, Changhe Road, Changhe Road, Binjiang District, Zhejiang, Hangzhou 310052, China Patentee after: HANGZHOU DELIAN SCIENCE AND TECHNOLOGY CO., LTD. Address before: Hangzhou City, Zhejiang province 310011 Gongshu District Xiangyuan Road No. 28 Le Fuzhi Park 2-102 Patentee before: Hangzhou DELIN Technology Co., Ltd. |