WO2015099573A1 - Système de mesure de chaleur pour système vertical monotube de chauffage de bâtiment ou de structure - Google Patents

Système de mesure de chaleur pour système vertical monotube de chauffage de bâtiment ou de structure Download PDF

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Publication number
WO2015099573A1
WO2015099573A1 PCT/RU2014/000394 RU2014000394W WO2015099573A1 WO 2015099573 A1 WO2015099573 A1 WO 2015099573A1 RU 2014000394 W RU2014000394 W RU 2014000394W WO 2015099573 A1 WO2015099573 A1 WO 2015099573A1
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WO
WIPO (PCT)
Prior art keywords
resistive
vertical
computing device
coolant
heat
Prior art date
Application number
PCT/RU2014/000394
Other languages
English (en)
Russian (ru)
Inventor
Павел Эдуардович МЕЛЬНИКОВ
Original Assignee
Павел Эдуардович МЕЛЬНИКОВ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Павел Эдуардович МЕЛЬНИКОВ filed Critical Павел Эдуардович МЕЛЬНИКОВ
Publication of WO2015099573A1 publication Critical patent/WO2015099573A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K17/00—Measuring quantity of heat
    • G01K17/06—Measuring quantity of heat conveyed by flowing media, e.g. in heating systems e.g. the quantity of heat in a transporting medium, delivered to or consumed in an expenditure device
    • G01K17/08—Measuring quantity of heat conveyed by flowing media, e.g. in heating systems e.g. the quantity of heat in a transporting medium, delivered to or consumed in an expenditure device based upon measurement of temperature difference or of a temperature
    • G01K17/10—Measuring quantity of heat conveyed by flowing media, e.g. in heating systems e.g. the quantity of heat in a transporting medium, delivered to or consumed in an expenditure device based upon measurement of temperature difference or of a temperature between an inlet and an outlet point, combined with measurement of rate of flow of the medium if such, by integration during a certain time-interval
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1048—Counting of energy consumption
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/04—Sensors
    • F24D2220/042—Temperature sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/04—Sensors
    • F24D2220/044—Flow sensors

Definitions

  • the invention relates to heating systems of buildings or structures, and specifically to a heat metering system for a single-tube vertical (riser) water heating system of a building or structure.
  • water sometimes called steam
  • water heating should be understood not only as the use of water in the heating system as a liquid heat pumped through water heating devices located in the premises (radiators, convectors), but also other types of heat carriers having, as usually a water base.
  • a single-pipe vertical water heating system of a building or structure should not be understood as literally one pipe, but connected pipe sections on the floors of a building or structure to which water heating devices are connected in series on each floor.
  • a known heat metering system for a single-tube vertical heating system of a building comprising temperature sensors of a coolant that are installed on sections of a vertical heating pipe connected to a horizontal heating pipe adjacent to the horizontal ceiling floors of rooms on each floor of a building, as well as a flow meter mounted on a separate continuous vertical supply pipe coolant in the basement to account for the volume flowing through the coolant system (RU 2374566 C1, IPC F24D 19/00, 2009).
  • the temperature sensors in this known solution transmit data via a wireless communication line to a computing device, which, by the difference of data from the temperature sensor of the coolant at the ceiling of the room and from the temperature sensor at the ceiling located on the floor below the room, and also taking into account the volume of coolant flowing through this vertical interfloor pipe system, it calculates the data on heat consumption for the accounting period of time.
  • the heat metering system has poor noise immunity.
  • One temperature sensor is used together to record heat in two different rooms on adjacent floors, which have different computing devices and are administered, as a rule, by different owners of the rooms.
  • the installation of the system on different floors complicates the solution of organizational issues regarding the installation of a heat consumption metering system when this is done in a previously erected building or structure.
  • Accidental or intentional damage to one of the temperature sensors will result in the failure of two computing devices, administered by different owners of the premises.
  • the technical result consists in expanding the arsenal of means for accounting for heat in one-pipe vertical heating systems of buildings or structures, in ensuring accurate measurement of temperature differences and reliable accounting of data on heat consumption using means that are mounted and located within one or more rooms on the same floor of the building or facilities. Achieving this technical result provides a heat metering system for a single-tube vertical heating system of a building or structure, which contains:
  • At least two resistive temperature sensors that are installed on sections of a vertical coolant supply pipe connected to one or several parallel water heating devices adjacent to opposite horizontal floors of the building or structure to measure the temperature of the coolant at the inlet and outlet of the vertical coolant supply pipe;
  • - a computing device electrically connected to obtain data with resistive temperature sensors and with a flow meter.
  • Each of the resistive temperature sensors is connected to the computing device by four electrical conductors connected in pairs to opposite contacts of the resistive sensitive element of the resistive temperature sensor.
  • One pair of conductors connected to opposite contacts of the resistive sensitive element is connected to a computing device for supplying electric current to the resistive sensitive element, and the second is used to measure the voltage across the resistive sensitive element.
  • the computing device is capable of calculating data on heat consumption over the accounting period of time according to the temperature difference of the coolant at the inlet and outlet of the vertical coolant supply pipe received from the resistive temperature sensors and the volume of the flowing coolant, as well as with the possibility of outputting the received data on the heat consumption for the accounting time interval.
  • One or more pairs of resistive temperature sensors that are installed can be connected to the computing device adjacent to opposite horizontal ceilings of the building or structure in the areas of one or more vertical coolant supply pipes located adjacent to one or more rooms of the building or structure, each of the vertical coolant supply pipes being connected to its one or several parallel water heating devices and to Each of the vertical coolant supply pipes has its own flow meters, which are also connected to a computing device.
  • the computing device is configured to calculate and summarize data on heat consumption over the accounting period of time according to the temperature difference of the coolant at the inlet and outlet of each vertical coolant supply pipe, the resistive sensors of which are connected to the computing device, and also with the ability to output the received data on the total flow heat for the accounting period of time for all the specified vertical pipes of the coolant.
  • FIG. 1 shows a schematic diagram of a heat metering system for a single-tube vertical heating system of a building or structure
  • Fig. 3 is a side view in section
  • Fig. 4 is a top view.
  • Fig. 5 is a sectional side view
  • Fig. 6 is an end view located on the outside.
  • - Fig.7 shows a screw for fixing a resistive temperature sensor in a sleeve for fixing a resistive temperature sensor in a tee for mounting on a coolant supply pipe, side view;
  • Fig. 8 shows a photograph of a resistive temperature sensor mounted in a sleeve for mounting in a tee for mounting on a coolant supply pipe.
  • the heat metering system for a single-tube vertical heating system of a building or structure contains two resistive temperature sensors 1 and 2, a flow meter 3, and also a computing device 4 (Fig. 1).
  • Resistive temperature sensors 1 and 2 are installed on sections 6 and 7 of the vertical coolant supply pipe 8 connected to the water heating device 5 adjacent to the opposite horizontal floors 9 and 10 of the building or structure for measuring the temperature of the coolant at the inlet and outlet of the vertical coolant supply pipe 8.
  • the flow meter 3 is mounted on a vertical coolant supply pipe 8 to account for the volume of coolant flowing through it and is located, as a rule, in the basement 11 of a building or structure.
  • Computing device 4 is electrically connected to obtain data with resistive temperature sensors 1 and 2 and with a flow meter 3.
  • Each of the resistive temperature sensors 1 and 2 is connected to the computing device 4 by four electrical conductors 12-15 (Fig.2), pairwise connected to the opposite contacts of the resistive sensitive element 16 (RJD) of the resistive temperature sensor 1, 2.
  • One pair of conductors 13, 14 connected to opposite contacts of the resistive sensitive element 16 is connected to a computing device 4 for supplying electric current to the resistive sensitive element 16 (this pair of conductors 13, 14 in the diagram of figure 2 is connected to the conditionally shown source 17 of the electric current).
  • the second pair of conductors 12, 15 connected to the opposite contacts of the resistive sensitive element 16 provides voltage measurements on the resistive sensitive element 16 (this pair of conductors 12, 15 in the diagram in Fig. 2 is connected to the measuring means 18 shown conventionally and marked with the letter “V”) voltage).
  • connection diagram of the resistive temperature sensors 1 and 2 eliminates the influence of stray resistance of wires (in the diagram in FIG. 2, conventionally indicated by elements 19 with the letter designation “RP”) on the accuracy of calculating the temperature difference.
  • the length of the connection conductors can reach 150 m, while the error in measuring the temperature is less than 0.1 ° C.
  • This connection scheme of resistive sensors 1 and 2 allows you to record the ultra-small values of the resistance change.
  • the computing device 4 evaluates the health of the connection of the resistive temperature sensor 1, 2.
  • Computing device 4 is configured to calculate data on heat consumption over the accounting period of time according to the temperature difference of the coolant at the inlet and outlet of the vertical coolant supply pipe 8 received from the resistive temperature sensors 1, 2 and the volume of the leaked coolant measured by the flow meter 3, and also the ability to enter the received data on the heat consumption for the accounting period of time.
  • a pair of resistive temperature sensors 1, 2, 20, 21, 22, 23 are connected to the computing device 4, which are installed adjacent to the opposite horizontal floors 9, 10 of the building or structure in sections of several vertical pipes 24, 25 of the coolant supply, adjacent to one or several rooms of a building or structure.
  • Each of the vertical pipes 24, 25 of the coolant supply is connected to its own water heating devices 26, 27 (it is possible to connect a vertical pipe 8, 24, 25 to several parallel connected water heating devices - this option is not illustrated in the diagram) and on each of the vertical pipes 8, 24, 25 of the coolant supply, their flow meters 3, 28, 29 are installed, which are also connected to the computing device 4.
  • the computing device 3 along with the above functions, is configured to calculate and summarize data on heat consumption over the accounting period of time according to the temperature difference of the coolant at the inlet and outlet of each vertical coolant supply pipe 8, 24, 25, resistive sensors 1, 2 , 20, 21, 22, 23 of which are connected to the computing device 4, and also with the possibility of outputting the obtained data on the total heat consumption for the accounting period of time for all the specified vertical pipes 8, 24, 25 of the coolant supply.
  • flow meters 3, 28, 29 common to all floors are connected on each vertical pipe 8, 24, 25 of the coolant supply, with the distribution of the connections of the flow meters 8, 24, 25 to the computing devices depending on connecting resistive temperature sensors 1, 2, 20, 21, 22, 23 installed on one or another vertical pipe 8, 24, 25 of the coolant supply.
  • Computing device 4, 33 can be implemented using known devices designed to collect readings from meters on consumed water, heat and electricity, providing an indication of current and archived data on several processed channels using displays, which can also be able to transmit data to organizations responsible for service.
  • the well-known AMBUS ZS-60 instrument manufactured by Aquametro AG and capable of receiving and processing information from 60 analog or discrete monitoring points can be used.
  • the computing device 4, 33 provides a calculation of the quantities of consumed thermal energy according to the formula:
  • ⁇ is time
  • ti_ i is the temperature of the coolant at the entrance to the apartment
  • tj is the temperature of the coolant at the exit of the apartment
  • J is the number of risers in the apartment.
  • the thermal coefficient "c" is determined depending on the properties of the coolant used. In Russia, this heat coefficient is determined in accordance with Appendix A to the National Standard.
  • flow meters 3, 28, 29 of known designs can be used, which provide data transmission over wired communication lines to computing devices.
  • VALTEC VLF-RI water meter from VALTEC SrL Similar water meters are described in patent documents. For example, RU 125695 U1, IPC G01F 15/06, 03/10/2013 or RU 126453 U1, IPC G01F 15/06, 03/27/2013.
  • resistive temperature sensors of the coolant 1, 2, 20, 21, 22, 23, 32 it is preferable to use sensors with a resistive sensitive element 16 of platinum.
  • bar structures similar to the TEAT PT 1000 product group of the Produal group of companies can be used.
  • the temperature sensor of the coolant 1, 2, 20, 21, 22, 23, 32 is made in the form of a hollow sealed rod 34 (Fig. 8) with one blind end 35, where the resistive sensitive element is located. From the side of the second end, a cable 36 with conductors for connection is derived from the hollow sealed rod 34.
  • the tee (Fig. 3, 4) for installing the rod resistive temperature sensor of the coolant contains a housing 37 having coupling ends 38 on the opposite sides with internal portions of the thread 39 for connecting to the ends of the pipes.
  • the cavity of the coupling pipe 38 is connected by a direct channel 40.
  • the housing 37 is made with a radial pipe 41, the opening 42 of which is open in the straight channel 40.
  • the hole 42 of the radial pipe is made on the side of the free end 43 with a threaded section 44. Further, the opening 42 decreases in diameter with the formation of a step 45.
  • the rod 34 of the resistive coolant temperature sensor is fastened using a sleeve 46 (Figs. 5, 8), into which the core 34 is inserted into the central hole 47.
  • a radial threaded hole 48 is made in the sleeve 46, into which a screw 49 is screwed (Fig. 7, 8) fixing the rod 34 in the hole 47 of the sleeve 46.
  • the sleeve 46 is made with a portion 49 of the external thread from the side where protrudes the rod 34 end 35, which it is fixed in the hole 42 of the housing 37.
  • a sealing ring 50 (Fig. 8) is made on the rod 34, made of an elastic material and having a cross-section of the body in the form of a circle. This sealing ring 50 is clamped between the surface of the step 45 and the surface of the end face 51 of the sleeve 46, tightly compressing the rod 34, which ensures the tightness of the connection.
  • the fastening of the rod 34 may be sealed.
  • an eye 52 is provided on the housing 37 (FIG. 3) with an opening 53 lying in the plane of the housing 37 passing through the axis of the direct channel 40 and the radial pipe 41. The eye is mated to the lateral outer surfaces of the housing 37 and the radial pipe 41.
  • the hole 49 has a hole 55.
  • the sleeve 46 there is also a hole 56 (FIG. 6) extending from the surface of the end face 57 and open into the cavity of the groove 58 adjacent to the end face 57.
  • a wire is inserted through the openings 53, 55, 56, which is fixed by a seal, preventing unauthorized dismantling fixing rod 34 and excluding non-professional intervention in the operation of the system.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Abstract

l'invention concerne des systèmes de chauffage. Le système comprend au moins deux capteurs de mesure de la température d'un caloporteur à l'entrée et à la sortie d'un tube vertical d'alimentation en caloporteur, un débitmètre et un dispositif de calcul connecté aux capteurs de température et au débitmètre afin de recevoir des données. Les capteurs de température sont résistifs et sont connectés au dispositif de calcul par quatre conducteurs connectés par paires à des contacts d'un élément résistif sensible ; une paire des conducteurs est connectée qu dispositif de calcul afin de fournir un courant électrique, tandis que la seconde paire sert à mesurer la tension. Le dispositif de calcul est conçu pour calculer des données concernant l'émission de chaleur pour un intervalle prédéterminé en fonction de la différence des températures du caloporteur obtenues par les capteur de température et du volume de caloporteur qui s'est écoulé, et pour émettre les données obtenues concernant l'émission de chaleur pour un intervalle prédéterminé. Le résultat technique consiste en une mesure précise de la chute des températures et en un calcul fiable des données concernant l'émission de chaleur. 
PCT/RU2014/000394 2013-12-25 2014-05-29 Système de mesure de chaleur pour système vertical monotube de chauffage de bâtiment ou de structure WO2015099573A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EA201400062 2013-12-25
EA201400062A EA024514B1 (ru) 2013-12-25 2013-12-25 Система учета тепла для однотрубной вертикальной системы отопления здания или сооружения

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WO2015099573A1 true WO2015099573A1 (fr) 2015-07-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112669529A (zh) * 2020-12-04 2021-04-16 陕西启迪瑞行清洁能源研究院有限公司 一种多梯级品位热能计费装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03295426A (ja) * 1990-04-13 1991-12-26 Yamatake Honeywell Co Ltd 測温抵抗体の接続装置
RU6890U1 (ru) * 1997-07-11 1998-06-16 Акционерное общество закрытого типа - Центр промышленного приборостроения "Центрприбор" Система квартирного учета тепла
UA24382U (en) * 2007-03-05 2007-06-25 Leonid Volodymyrovych Kravchuk System of by-flat record of heat consumed in multistorey building with vertical pipe run
RU112410U1 (ru) * 2011-02-17 2012-01-10 Общество с ограниченной ответственностью "Региональный центр энергоэффективности и нормирования" ООО "Владрегионэнерго" Система учета и регулирования потребления тепловой энергии абонентами

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SU1582031A1 (ru) * 1986-07-22 1990-07-30 Отделение Нефтехимии Института Физико-Органической Химии И Углехимии Ан Усср Теплосчетчик
US6161100A (en) * 1996-11-08 2000-12-12 Saar; David A. System for billing individual units of a multi-unit building for water use and for water related energy use
RU2374566C1 (ru) * 2008-08-05 2009-11-27 Закрытое Акционерное общество "ТЭРИФ-Н" Система измерения и учета поквартирного потребляемого тепла в системах теплоснабжения
RU2389986C1 (ru) * 2008-12-17 2010-05-20 Закрытое Акционерное Общество Российская Приборостроительная Корпорация "Системы Управления" Способ определения расхода тепла локальными потребителями (варианты)
RU2449250C1 (ru) * 2010-10-13 2012-04-27 Сергей Иванович Сурнов Способ определения потребления тепловой энергии отдельным потребителем при отоплении многоквартирного дома с однотрубной системой отопления и система отопления для его осуществления

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03295426A (ja) * 1990-04-13 1991-12-26 Yamatake Honeywell Co Ltd 測温抵抗体の接続装置
RU6890U1 (ru) * 1997-07-11 1998-06-16 Акционерное общество закрытого типа - Центр промышленного приборостроения "Центрприбор" Система квартирного учета тепла
UA24382U (en) * 2007-03-05 2007-06-25 Leonid Volodymyrovych Kravchuk System of by-flat record of heat consumed in multistorey building with vertical pipe run
RU112410U1 (ru) * 2011-02-17 2012-01-10 Общество с ограниченной ответственностью "Региональный центр энергоэффективности и нормирования" ООО "Владрегионэнерго" Система учета и регулирования потребления тепловой энергии абонентами

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112669529A (zh) * 2020-12-04 2021-04-16 陕西启迪瑞行清洁能源研究院有限公司 一种多梯级品位热能计费装置

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EA201400062A1 (ru) 2015-06-30

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