CN101929705B - Time-sharing and temperature-dividing controller of heating system - Google Patents
Time-sharing and temperature-dividing controller of heating system Download PDFInfo
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- CN101929705B CN101929705B CN2010102967533A CN201010296753A CN101929705B CN 101929705 B CN101929705 B CN 101929705B CN 2010102967533 A CN2010102967533 A CN 2010102967533A CN 201010296753 A CN201010296753 A CN 201010296753A CN 101929705 B CN101929705 B CN 101929705B
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Abstract
The invention relates to a time-sharing and temperature-dividing controller of a heating system. The heating system comprises a heat source, a water-dividing vat and a water-returning vat. The time-sharing and temperature-dividing controller comprises a control module, a human machine interface module, an A/D converter, a temperature sensor and a flow meter. The heat source is respectively connected with the water-dividing vat and the water-returning vat through water pipes; medical care area user terminals, residential area user terminals and office area user terminals are arranged at the connection place of every two branch water pipes of the water-dividing vat and the water-returning vat; a bypass pipe is arranged between a water supply pipe and a water-returning pipe of each user terminal; a solenoid valve is arranged at the connection place of the bypass pipe and the water supply pipe of each user terminal; and each solenoid valve is connected with an output interface of the A/D converter. The invention provides the time-sharing and temperature-dividing controller, which can adjust different heat supply temperatures in different areas during different time periods, particularly in the areas with large heat need differences, such as medical care areas, residential areas and office areas, to make the heat supply amount of the system satisfy the heat needs of users to the greatest extent.
Description
Technical field
The present invention relates to a kind of controller of heating system, relate in particular to a kind of time-sharing and temperature-dividing controller of heating system.
Background technology
Current heating systems generally is made up of thermal source, pipeline, user terminal, under the control of normal controller, by thermal source through the pipeline delivering hot water to user terminal, again by user terminal through the pipeline backwater to the thermal source place, form a circulatory system.The simple control of this heating system; On heating efficiency, heat energy distribution, user's heat-obtaining, undesirable part is arranged; Medical Treatment Area, residential block, these three kinds of zones, Office Area are big with the heat demand difference at night by day; The existing control system that heats can not carry out the adjusting of different heating temperatures to these three kinds of zones in different time sections, can not coincide by the required heating load of system and these users' the heat demand of making in zone as far as possible, has caused the heating wasting of resources; And in the control system, its intelligent degree is not high enough, can not realize advanced intellectuality control.
Summary of the invention
Technical problem to be solved by this invention has provided a kind of time-sharing and temperature-dividing controller of heating system; This time-sharing and temperature-dividing controller can carry out the adjusting of different heating temperatures in the zones of different different time sections; Especially in Medical Treatment Area, residential block, the big zone of these heat demand differences, Office Area; The heating load of system and these users' heat demand are coincide as far as possible; Reduce the consumption of heat in transmission course, thereby reach a kind of time-sharing and temperature-dividing controller of energy-saving and cost-reducing purpose with advanced control technology.
For addressing the above problem, technical scheme of the present invention is:
A kind of time-sharing and temperature-dividing controller of heating system; Said heating system comprises thermal source, divides water vat and backwater cylinder; Described time-sharing and temperature-dividing controller comprises control module, human-computer interface module, A/D converter, temperature sensor and flowmeter; 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, flowmeter link to each other with the input interface of A/D converter respectively.
Described thermal source links to each other with a minute water vat through total feed pipe; Link to each other with the backwater cylinder through total return pipe; Divide water vat to link to each other with the backwater cylinder through three branch road water pipes; Junction at minute water vat and each branch road water pipe of backwater cylinder is provided with user terminal, and this user terminal comprises Medical Treatment Area user terminal, residential block user terminal, Office Area user terminal, between the feed pipe of each user terminal and return pipe, is respectively equipped with bypass pipe; Junction at bypass pipe and user terminal feed pipe is respectively equipped with magnetic valve, and each magnetic valve links to each other with the output interface of A/D converter respectively.
Described temperature sensor comprises outdoor temperature sensor, supply water temperature sensor, return water temperature sensor; Outdoor temperature sensor places atmosphere; The supply water temperature sensor links to each other with the feed pipe of minute water vat, and the return water temperature sensor links to each other with the return pipe of backwater cylinder.
Preferably, described time-sharing and temperature-dividing 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 time-sharing and temperature-dividing controller of a kind of heating system provided by the invention; Under the control of time-sharing and temperature-dividing controller; Means through regulating the branch road flow realize adjustment; Can in the zones of different different time sections, carry out the adjusting of different heating temperatures,, the heating load of system and these users' heat demand coincide as far as possible especially in Medical Treatment Area, residential block, the big zone of these heat demand differences, Office Area; Reduce the consumption of heat in transmission course, thereby reach a kind of time-sharing and temperature-dividing controller of energy-saving and cost-reducing purpose with advanced control technology.
Description of drawings
Fig. 1 is the work sketch map of the time-sharing and temperature-dividing controller of heating system.
Among the figure: the 1-thermal source, 2-divides water vat, 3-backwater cylinder, 4-time-sharing and temperature-dividing controller, 5-Medical Treatment Area user terminal, 6-residential block user terminal, 7-Office Area user terminal, 8-bypass pipe, 9-magnetic valve.
Fig. 2 is that the module of time-sharing and temperature-dividing controller connects sketch map.
Fig. 3 is the time-sharing and temperature-dividing controller circuit theory diagrams.
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, divides water vat 2 and backwater cylinder 3; Time-sharing and temperature-dividing controller 4 comprises control module, human-computer interface module, wireless communication module, A/D converter, temperature sensor and flowmeter; 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; Human-computer interface module, wireless communication 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, flowmeter link to each other with the input interface of A/D converter respectively.
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 advanced 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.Adopt advanced hardware filtering technology, the filtering time is 4.5ms, and 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 I0 interface with the M0 of A/D converter respectively through 9 interfaces, 10 interfaces.
Thermal source 1 links to each other with minute water vat 2 through total feed pipe; Link to each other with backwater cylinder 3 through total return pipe; Divide water vat 2 to link to each other with backwater cylinder 3 through three branch road water pipes; Each branch road water pipe junction at minute water vat 2 and backwater cylinder 3 is provided with user terminal, and this user terminal comprises Medical Treatment Area user terminal 5, residential block user terminal 6, Office Area user terminal 7, between the feed pipe of each user terminal and return pipe, is respectively equipped with bypass pipe 8; Junction at bypass pipe 8 and user terminal feed pipe is respectively equipped with three-way control valve 9, and each three-way control valve 9 links to each other with the output interface of A/D converter respectively.Each user terminal and thermal source 1, branch water vat 2, backwater cylinder 3 form a branch road water supply circulatory system.
Temperature sensor comprises outdoor temperature sensor 10, supply water temperature sensor 11, return water temperature sensor 12; Outdoor temperature sensor places atmosphere; The supply water temperature sensor links to each other with the feed pipe of minute water vat 2, and the return water temperature sensor links to each other with the return pipe of backwater cylinder 3.
Thermal source 1 is delivered to branch water vat 2 with hot water through total feed pipe; Supply water to Medical Treatment Area user terminal 5, residential block user terminal 6, Office Area user terminal 7 respectively through three branch road feed pipes and three-way control valve 9 by minute water vat 2; Return pipe by each user terminal is delivered in the backwater cylinder 3 again, gets back to thermal source 1 through total return pipe at last.
Dividing the realization of time-division temperature subregion heating adjusting is under the control of time-sharing and temperature-dividing controller 4, to carry out, and can make whole process intelligent according to zone, outdoor temperature and the time period setting controller at particular user terminal.For example can know in the heating demand of different time sections: the Administrative Area user terminal at differentiation Medical Treatment Area user terminal 5, residential block user terminal 6, Office Area user terminal 7; Keep normal heating temperature between at 6 in evening at 8 in the morning, all the other periods then are in keeping warm mode; The medical area user terminal kept normal heating temperature in 24 hours; Resident zone user terminal, 8 of daytimes keep normal heating temperature 6 o'clock to 12 o'clock evening to keeping below the normal heating temperature about 2 ℃ between at 6 in evening, and 12 keep below the normal heating temperatures about 2 ℃ to 8 of next day.Heating demand according to these three types of user terminals; Through human-computer interface module input relevant user terminals heating demand information; Under the control of time-sharing and temperature-dividing controller 4; The branch road flow that temperature detection that provides through outdoor temperature sensor 10, supply water temperature sensor 11, return water temperature sensor 12 and flowmeter provide; Time-sharing and temperature-dividing controller 4 is handled these information automatically, controls each branch road flow through the three-way control valve 9 of regulating three branch roads and comes real different user terminals in the thermoregulator purpose of different time sections.When being higher than the optimum temperature of default when outdoor temperature; Time-sharing and temperature-dividing controller 4 reduces the flow of branch water vat 2 feed pipes through the three-way control valve 9 of regulating this branch road; The flow that increases bypass pipe 8 reduces supply water temperature; Optimum temperature up to user terminal temperature and setting is suitable, realizes the automation adjusting.
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 time-sharing and temperature-dividing controller of a heating system; Said heating system comprises thermal source, divides water vat and backwater cylinder; It is characterized in that described time-sharing and temperature-dividing controller comprises control module, human-computer interface module, A/D converter, temperature sensor and flowmeter, 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, flowmeter link to each other with the input interface of A/D converter respectively;
Described thermal source links to each other with a minute water vat through total feed pipe; Link to each other with the backwater cylinder through total return pipe; Divide water vat to link to each other with the backwater cylinder through three branch road water pipes; Junction at minute water vat and each branch road water pipe of backwater cylinder is provided with user terminal, and this user terminal comprises Medical Treatment Area user terminal, residential block user terminal, Office Area user terminal, between the feed pipe of each user terminal and return pipe, is respectively equipped with bypass pipe; Junction at bypass pipe and user terminal feed pipe is respectively equipped with magnetic valve, and each magnetic valve links to each other with the output interface of A/D converter respectively;
Described temperature sensor comprises outdoor temperature sensor, supply water temperature sensor, return water temperature sensor; Outdoor temperature sensor places atmosphere; The supply water temperature sensor links to each other with the feed pipe of minute water vat, and the return water temperature sensor links to each other with the return pipe of backwater cylinder.
2. the time-sharing and temperature-dividing controller of heating system according to claim 1 is characterized in that, described time-sharing and temperature-dividing controller also comprises wireless communication module, and this wireless communication module links to each other with the communication interface of control module.
3. the time-sharing and temperature-dividing controller of heating system according to claim 1 is characterized in that, described magnetic valve is a three-way control valve.
4. the time-sharing and temperature-dividing controller of heating system according to claim 1 is characterized in that, the expansion module of described control module comprises digital quantity input/output module and analog quantity input/output module.
5. the time-sharing and temperature-dividing controller of heating system according to claim 1 is characterized in that, described human-computer interface module is provided with the color touch screen.
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| CN2010102967533A CN101929705B (en) | 2010-09-29 | 2010-09-29 | Time-sharing and temperature-dividing controller of heating system |
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| CN2010102967533A CN101929705B (en) | 2010-09-29 | 2010-09-29 | Time-sharing and temperature-dividing controller of heating system |
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| CN101929705B true CN101929705B (en) | 2012-08-29 |
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| EP3587949A1 (en) * | 2018-06-26 | 2020-01-01 | E.ON Sverige AB | Method and controller for controlling a reversible heat pump assembly |
| CN110341233A (en) * | 2019-07-23 | 2019-10-18 | 江西振态科技协同创新有限公司 | Prevent the method and device of heat-conducting oil pipes inner wall generation carbon distribution in hot press |
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| CN1253288A (en) * | 1999-12-15 | 2000-05-17 | 天津市赛恩电子技术有限公司 | User's heat consumption metering and remote monitoring system in 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. |