CN103225845B - Centralized heating respective heat distribution measuring system and method - Google Patents
Centralized heating respective heat distribution measuring system and method Download PDFInfo
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- CN103225845B CN103225845B CN201310122857.6A CN201310122857A CN103225845B CN 103225845 B CN103225845 B CN 103225845B CN 201310122857 A CN201310122857 A CN 201310122857A CN 103225845 B CN103225845 B CN 103225845B
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Abstract
The invention discloses a centralized heating respective heat distribution measuring system and method, and relates to centralized heating and heat measuring technology. The system includes a heat meter, an open degree controllable valve and an indoor temperature regulation device both mounted at each indoor access pipeline, wherein the heat meter, the indoor temperature regulation devices and the open degree controllable valves are respectively connected with a central control device in a wire/wireless communication manner. A control procedure is built in the central control device, operates in real time, periodically acquires set values of all indoor temperature regulation devices of the whole system, and acquires open degree values of all open degree controllable valves and instant heat values of all heat meters in real time, so as to control the open degree of all the valves by virtue of an inbuilt control algorithm and calculate instant heat and accumulated heat of each house by virtue of an inbuilt software algorithm. The system can compute equivalent instant heat and accumulated heat of all users in real time, and is fairer as compared with the system adopting the on-off time and area method. The system is simpler to realize, long in service life and easy to maintain as compared with a system adopting the heat meter method.
Description
Technical field
The present invention relates to central heating (cooling) and heat death theory (heat is shared) technology, belong to field of heating ventilation air conditioning, be specially metering method and the control system thereof of user's heat sharing of a kind of central heating (cooling).
Background technology
In the heat death theory of China is implemented, be a kind of widely used thermal neasuring in the mode that Lou Dong metering, each household are shared.
Hotlist method is that current generally believing in the industry can most scientific just allocation way.From equipment angle, the main implement device of hotlist method is hotlist, and the hotlist of application mainly contains two classes, i.e. ultrasonic wave hotlist and mechanical type hotlist.All there is the fouling or blockage problem that bring due to quality problem in two kinds of hotlists, and then affects measuring accuracy, maintenance difficult.
Other such as make-and-break time area-method is also the hot methodology in a kind of application, Chinese patent: ZL200910069672.7 announce be exactly a kind of improvement based on make-and-break time area-method share metering method, compared with traditional make-and-break time area-method, this method increase supply and return water temperature to measure, and revise by its tailor-made algorithm.Another section of Chinese patent: ZL 200910147935.1 discloses a kind of method of sharing heat based on user's heat time and area, the method is the method according to the valve opening conversion time, the principle of this patent is by the different opening of valve and time noise coefficient corresponding to pre-entered, this patent obtains the conversion time when each valve opening change according to corresponding conversion factor in the application, the conversion time the most all adds up, try to achieve and always convert total time, and enter to use row heat sharing by total conversion time.Briefly: methodology of the present invention, be a kind of methodology in real time, have better real-time and share precision; And the method employing of patent ZL 200910147935.1 is not the method for sharing in real time.
Summary of the invention
In order to solve prior art Problems existing, the heat death theory providing a kind of more science in the present invention shares metering system and metering method.
The object of the invention is to be achieved through the following technical solutions:
A kind of central heating point family heat shares metering system, it is characterized in that: comprising:
A calorimeter, for total amount of heat and total instantaneous heat quantity of metering system;
Be arranged on each indoor to register one's residence the aperture controllable valve at pipeline place and indoor temperature control device;
Described calorimeter, indoor temperature control device, aperture controllable valve respectively with CCU by wired or wireless mode communication.
Described aperture controllable valve, comprises valve, angular transducer, decelerator, direct current generator, valve positioner and communication/supply module.
The built-in control program of described CCU, real time execution, periodically gather the setting value of all indoor temperature control devices of whole system, the opening value of all aperture controllable valves of Real-time Collection, the transient heat value of real-time acquisition system calorimeter, realize controlling the valvular aperture of institute by built-in control algolithm, calculated instantaneous heat quantity and the accumulation heat in each room by built-in software algorithm.
Described CCU also can lead to increases accounting module, pre-payment module, and then realizes charging and pre paid functionality.
A kind of central heating point family heat shares metering method, it is characterized in that: according to the total instantaneous heat quantity of system, thermal losses coefficient and system each user's area value, valve opening value, calculate the actual instantaneous heat quantity of a certain user in section sometime by following formula (1);
（1）；
Wherein, the Qi (t): the i-th family Equivalent Instantaneous heat;
Q total (t): the total instantaneous heat quantity of system;
The opening value of the Ki: the i-th family valve;
K is average: the aperture average of system inner valve;
The area at the Mi: the i-th family;
M is total: the total area of heat-supply service in current system;
A: heat supply network heat loss factor, namely exports to end user from heat supply, thermal loss ratio;
Bi: user's correction factor, is defaulted as 1, when user changes radiator area, this numerical value need be revised;
Based on the above-mentioned tired actual instantaneous heat quantity calculated, calculate the heat accumulative of this user according to formula (2):
（2）；
Wherein, the accumulation heat at the Qi: the i-th family;
T: cumulative time;
Described user's correction factor Bi can use formula (3) or formula (4) to calculate
Bi=Mi reality/Mi standard (3)
Or
Bi=Vi reality/Vi standard (4)
The correction factor of the Bi: the i-th family user
Mi is actual: the actual efficiently radiates heat area of radiator of the i-th family user;
Mi standard: the radiator standard efficiently radiates heat area of the i-th family user;
Vi is actual: the radiator actual volume of the i-th family user;
Vi standard: the radiator normal volume of the i-th family user.
Beneficial effect of the present invention: the present invention adopts such scheme, Real-time Collection valve opening and the total instantaneous heat quantity of system, try to achieve the instantaneous heat quantity of this user at comprehensive other factors in the application, and try to achieve the accumulation heat of this user to instantaneous heat quantity integration.So the real-time heat sharing scheme in the present invention has more science, metric results is more public objective.The present invention is compared with make-and-break time area-method: from control effects angle, and time and area method reaches temperature control object by the break-make of on-off valve not timing at work, and indoor temperature is in fluctuation status, reduces the comfortableness of user.And the control principle of native system controls indoor temperature by the mode that valve opening is adjustable, make room temperature place be in state relatively stably all the time, improve the comfortableness of user.Say from the life-span of equipment: the implement device of native system is simple, and do not need valve perseveration, service life of equipment is longer.In fairness: native system can calculate Equivalent Instantaneous heat and the heat accumulative of each user in real time, can take by equivalent heat gauge, have more fairness compared to adopting the system of make-and-break time area-method.Compared with hotlist method: native system implements more simple, and service life of equipment is long, be easy to safeguard.
Accompanying drawing explanation
Fig. 1 is the configuration diagram of native system.
Fig. 2 is the structured flowchart of aperture adjustable valve in Fig. 1.
Fig. 3 is the structured flowchart of indoor temperature control device in Fig. 1.
Fig. 4 is the flow chart of native system user regulable control.
Fig. 5 is the flow chart of native system by aperture regulable control.
Fig. 6 is the flow chart of native system by temperature regulable control.
Detailed description of the invention
A kind of central heating point family heat shares metering system, and this system can comprise a room or multiple room (all rooms as in a building), specifically as shown in Figure 1, comprising:
A calorimeter 1, for measuring total instantaneous heat quantity, the accumulation heat of whole system, is general calorimeter, can with CCU 4 communication;
Be arranged on each indoor to register one's residence the aperture controllable valve 2 at pipeline place and indoor temperature control device 3;
Described calorimeter 1, indoor temperature control device 3, aperture controllable valve 2 respectively with CCU 4 by wired or wireless mode communication.
Described aperture controllable valve 2, as shown in Figure 2, comprises valve 21, angular transducer 22, decelerator 23, direct current generator 24, valve positioner 25 and communication/supply module 26.
Described indoor temperature control device 3, as shown in Figure 3, comprises controller 31, heat detector 32, memory device 33, communication apparatus 34, input equipment 35, display device 36.
The built-in control program of CCU 4, real time execution, periodically gather the setting value of all indoor temperature control devices 3 of whole system, the opening value of all aperture controllable valves 2 of Real-time Collection, the transient heat value of real-time acquisition system calorimeter 1, realize controlling the valvular aperture of institute by built-in control algolithm, calculated instantaneous heat quantity and the accumulation heat in each room by built-in software algorithm.Also realize charging and pre paid functionality by increase accounting module, pre-payment module, charge information can be passed in indoor temperature control device and show.Also by increasing wireless module, data are passed to long-range data management system.
Native system also can be used for cooling metering, and embodiment is identical.
Based on said system, the invention provides a kind of central heating point family heat and share metering method, concrete scheme is as follows: according to the total instantaneous heat quantity of system, thermal losses coefficient and system each user's area value, valve opening value, calculates the actual instantaneous heat quantity of a certain user in section sometime by following formula (1);
（1）；
Wherein, the Qi (t): the i-th family Equivalent Instantaneous heat;
Q total (t): the total instantaneous heat quantity of system;
The opening value of the Ki: the i-th family valve;
K is average: the aperture average of system inner valve;
The area at the Mi: the i-th family;
M is total: the total area of heat-supply service in current system;
A: heat supply network heat loss factor, namely exports to end user from heat supply, thermal loss ratio;
Bi: user's correction factor, is defaulted as 1, when user changes radiator area, this numerical value need be revised;
Based on the above-mentioned tired actual instantaneous heat quantity calculated, calculate the heat accumulative of this user according to formula (2):
（2）；
Wherein, the accumulation heat at the Qi: the i-th family;
T: cumulative time.
Wherein user's correction factor Bi can use formula (3) or formula (4) to calculate
Bi=Mi reality/Mi standard (3)
Or
Bi=Vi reality/Vi standard (4)
The correction factor of the Bi: the i-th family user
Mi is actual: the actual efficiently radiates heat area of radiator of the i-th family user;
Mi standard: the radiator standard efficiently radiates heat area of the i-th family user;
Vi is actual: the radiator actual volume of the i-th family user;
Vi standard: the radiator normal volume of the i-th family user.
Share metering method according to above-mentioned central heating point family heat, it is as follows that measurement flow concrete steps are shared in the built-in control of CCU:
1) system initialization parameter, inputs all users each room indoor surface product value;
2) total instantaneous heat quantity is read by total heat scale;
3) initialising subscriber number i=0;
4) valve opening value at the i-th family is read;
5) room area at the i-th family is read from memory;
6) the Equivalent Instantaneous heat at the i-th family is calculated according to formula (1);
7) this equivalent heat accumulative at the i-th family is calculated according to formula (2);
8) this accumulation heat of the i-th family is accumulated to its accumulation total amount of heat;
9） i=i+1；
10) this shares complete to judge whether all users, otherwise returns step 4), is, returns step 2).
System of the present invention can realize following function:
1 reservation function; 2 by aperture regulative mode; 3 by temperature regulation mechanism;
User regulates flow process as shown in Figure 4, user design temperature opening value or reservation can arrange valve opening as required, the information such as time and temperature, above-mentioned set-up function is completed by indoor register, and by the communication apparatus of indoor temperature control device, design temperature or setting aperture or subscription information and actual temperature value are uploaded to CCU, CCU sends controlling opening of valve order, control aperture controllable valve, aperture controllable valve returns actual opening valve angle value to CCU, to grasp aperture parameter in real time.
User can arrange temperature or the opening value of Different periods, and wherein by aperture regulable control flow process as shown in Figure 5, user, by timer, sets different time sections inner valve opening value; During to setting-up time, start the setting opening value reading this period, by CCU, read actual opening valve degree, and adjust valve opening, calculate Equivalent Instantaneous flow and cumulative equivalent flow, and show information by the display device of indoor temperature control device.
By temperature control and regulation flow process as shown in Figure 6: user, by timer, sets temperature value in different time sections; During to setting-up time, start the Indoor Temperature angle value reading this period, pass through CCU, read indoor actual temperature, and by adjustment valve opening, control temperature lifting reaches preset temperature value, reads actual opening valve degree, and calculate Equivalent Instantaneous flow and cumulative equivalent flow, by the display device display information of indoor temperature control device.
Claims (1)
1. a central heating point family heat shares metering method, it is characterized in that: according to the total instantaneous heat quantity of system, thermal losses coefficient and system each user's area value, valve opening value, calculate the actual instantaneous heat quantity of a certain user in section sometime by following formula (1);
（1）；
Wherein, the Qi (t): the i-th family Equivalent Instantaneous heat;
Q total (t): the total instantaneous heat quantity of system;
The opening value of the Ki: the i-th family valve;
K is average: the aperture average of system inner valve;
The area at the Mi: the i-th family;
M is total: the total area of heat-supply service in current system;
A: heat supply network heat loss factor, namely exports to end user from heat supply, thermal loss ratio;
Bi: user's correction factor, is defaulted as 1, when user changes radiator area, this numerical value need be revised;
Based on the above-mentioned accumulative actual instantaneous heat quantity calculated, calculate the heat accumulative of this user according to formula (2):
（2）；
Wherein, the accumulation heat at the Qi: the i-th family;
T: cumulative time;
Described user's correction factor Bi can use formula (3) or formula (4) to calculate:
Bi=Mi reality/Mi standard (3)
Or
Bi=Vi reality/Vi standard (4);
The correction factor of the Bi: the i-th family user;
Mi is actual: the actual efficiently radiates heat area of radiator of the i-th family user;
Mi standard: the radiator standard efficiently radiates heat area of the i-th family user;
Vi is actual: the radiator actual volume of the i-th family user;
Vi standard: the radiator normal volume of the i-th family user.
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808434B (en) * | 2013-12-09 | 2016-05-11 | 浙江苍南仪表集团有限公司 | User can be from the thermal gauge of main regulation heating load |
| CN103868144B (en) * | 2013-12-31 | 2017-02-15 | 北京华大智宝电子系统有限公司 | heat metering control device and heat metering control system |
| CN106327697B (en) * | 2015-07-03 | 2019-03-29 | 镭蒙(宁波)股份有限公司 | Heat supply message accounting |
| CN109373440A (en) * | 2018-11-08 | 2019-02-22 | 程玉明 | A kind of device and method for sharing metering by matching factor |
| DK180732B1 (en) * | 2020-02-19 | 2022-02-10 | Danfoss As | Control system and method for controlling a control valve of a hydrodynamic system using an actuator |
| CN111667637A (en) * | 2020-05-11 | 2020-09-15 | 中外运冷链物流有限公司 | Method for calculating electricity charge of single refrigeration house of centralized refrigeration system |
| CN111829044A (en) * | 2020-07-28 | 2020-10-27 | 山东齐芯智控科技有限公司 | Method for realizing on-off time area heat sharing by adopting continuous opening degree to control temperature control valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1460506A2 (en) * | 2003-03-20 | 2004-09-22 | Buderus Heiztechnik GmbH | Method for measuring the room temperature |
| CN101922944A (en) * | 2009-06-11 | 2010-12-22 | 林秀麟 | Heating fee allocation method based on heating time/area of user |
| CN101975628A (en) * | 2010-09-09 | 2011-02-16 | 河南众源系统工程有限公司 | Real-time effective heat power distribution method |
| CN101986046A (en) * | 2010-10-25 | 2011-03-16 | 山东科技大学 | Central heating compartment program-controlling and household measurement system based on wireless network |
| CN203404840U (en) * | 2013-04-10 | 2014-01-22 | 睿能太宇（沈阳）能源技术有限公司 | Central-heating household heat allocation metering system |
-
2013
- 2013-04-10 CN CN201310122857.6A patent/CN103225845B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1460506A2 (en) * | 2003-03-20 | 2004-09-22 | Buderus Heiztechnik GmbH | Method for measuring the room temperature |
| CN101922944A (en) * | 2009-06-11 | 2010-12-22 | 林秀麟 | Heating fee allocation method based on heating time/area of user |
| CN101975628A (en) * | 2010-09-09 | 2011-02-16 | 河南众源系统工程有限公司 | Real-time effective heat power distribution method |
| CN101986046A (en) * | 2010-10-25 | 2011-03-16 | 山东科技大学 | Central heating compartment program-controlling and household measurement system based on wireless network |
| CN203404840U (en) * | 2013-04-10 | 2014-01-22 | 睿能太宇（沈阳）能源技术有限公司 | Central-heating household heat allocation metering system |
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