WO2011017841A1 - Système de chauffage central à eau chaude pour étages multiples commandé à chaque étage - Google Patents

Système de chauffage central à eau chaude pour étages multiples commandé à chaque étage Download PDF

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Publication number
WO2011017841A1
WO2011017841A1 PCT/CN2009/073242 CN2009073242W WO2011017841A1 WO 2011017841 A1 WO2011017841 A1 WO 2011017841A1 CN 2009073242 W CN2009073242 W CN 2009073242W WO 2011017841 A1 WO2011017841 A1 WO 2011017841A1
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WO
WIPO (PCT)
Prior art keywords
floor
hot water
control unit
cooling system
heat supply
Prior art date
Application number
PCT/CN2009/073242
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English (en)
Chinese (zh)
Inventor
霍为民
眭海燕
Original Assignee
Huo Weimin
Sui Haiyan
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 Huo Weimin, Sui Haiyan filed Critical Huo Weimin
Priority to PCT/CN2009/073242 priority Critical patent/WO2011017841A1/fr
Publication of WO2011017841A1 publication Critical patent/WO2011017841A1/fr

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Classifications

    • 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
    • F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves

Definitions

  • the present invention relates to a concentrated hot water heating system, and more particularly to a multi-floor centralized hot water heating sub-floor controllable heating system.
  • the existing centralized hot water heating system draws multiple floors and single pipes in series.
  • the so-called multi-floor single pipe series means that the heating hot water is pumped from the bottom floor to the top floor, and the heating is hot. The water is then circulated by the top floor through the radiators on each floor and finally returned to the bottom floor.
  • the advantage of this method is that it is not necessary to install water pumps on each floor to realize multi-floor parallel heating, and the construction cost is low, and it is suitable for the national conditions of the country.
  • the disadvantage is that the temperature of the heating water on the next floor must be lower than the temperature of the heating water in the previous floor, causing the heating effect to decrease downwards from floor to floor.
  • the present invention is directed to solving the above problems, and provides a multi-floor centralized hot water heating sub-floor controllable heating system that can adjust the hot water heating heat of each floor to achieve balanced heating.
  • Another object of the present invention is to quantitatively adjust the heating heat of each floor according to the user's request, and save energy; the same control unit accumulates the heating heat of each floor as a basis for heating charges, and realizes reasonable charging.
  • a multi-floor centralized hot water heating sub-floor controllable heating system which comprises: a plurality of hot water cooling systems, the hot water cooling system is distributed on different floors, each The hot water cooling system is connected in series from top to bottom; a shunt tube is arranged between each of the water inlet and the outlet pipe of the hot water cooling system, and each of the shunt tubes Each has a first adjustable valve.
  • the present invention can also be designed as a parallel structure as described below, a multi-floor centralized hot water heating sub-floor controllable heating system, comprising: a plurality of hot water cooling systems, The hot water cooling system is distributed on different floors, and each of the hot water cooling systems is connected in parallel from top to bottom; the water inlet pipe of the hot water cooling system and the hot water cooling system of the next floor are entered on the previous floor A first adjustable valve is arranged on the connecting water pipe between the water pipes.
  • the present invention can be modified as follows, whether it is a tandem scheme or a parallel scheme.
  • a control unit is also provided at each floor, and the control unit controls the flow rate of the first adjustable valve hot water.
  • a digitized water flow meter is respectively connected in series between the inlet pipe and the outlet pipe of each floor, and the inlet water pipe of each floor is respectively provided with a water inlet temperature sensor.
  • the outlet pipe described in each floor is respectively provided with an outlet water temperature sensor;
  • the control unit comprises a control circuit and a communication circuit, and the control unit measures the hot water of the floor in the predetermined day by the digital water flow meter connected thereto
  • the water flow rate of the heat dissipation system is measured by the inlet water temperature sensor and the outlet water temperature sensor connected thereto, and the average temperature of the water inlet and outlet water of the hot water dissipation system on the floor in the predetermined day is measured;
  • the control unit will reserve the water of the heat dissipation system in the daytime
  • the flow rate is multiplied by the difference between the average temperature of the incoming water and the effluent to obtain the heat supply value of the hot water cooling system in the predetermined time interval; the control unit communicates with other floor
  • the heat supply value of the water cooling system and the heat supply value of the hot water cooling system on the floor For the other floor control units; the control unit uses the heat supply value and the heat supply value of the floor on which it is located to calculate the heating required for the floor according to the requirements of the equalization heating of each floor and the special requirements of the users of each floor.
  • the control unit calculates and controls the heat supply value according to the calculated heat supply value, and controls the heat supply of the hot water cooling system by controlling the water flow rate of the hot water cooling system on the floor; the control unit records and accumulates the heat of the floor.
  • the heat supply value of the water cooling system is used as a reference for the cumulative heat supply of each floor.
  • a second adjustable valve is connected in series between the inlet pipe and the outlet pipe of each floor, and the control unit passes the second heat supply value according to the calculated
  • the water flow rate of the hot water cooling system on the floor where the valve is controlled is controlled to control the heat supply value of the hot water cooling system, and the hot water of the hot water cooling system is turned off when needed.
  • the sub-floor controllable heating system further includes a total control unit, the total communication circuit in the total control unit and the communication circuit of each floor transmit and receive data;
  • the heat supply value of the hot water cooling system in the floor of the control unit on the floor of the hot water cooling system of each floor is used, and the heat supply value is used according to the requirements of equal heating of each floor and the special requirements of users on each floor.
  • the control unit records and accumulates the heat supply value of the hot water cooling system on each floor, which serves as the reference for the cumulative heat supply of each floor.
  • the second adjustable valve is composed of a driving motor, a shifting gear box, a valve opening degree sensor, and a valve; is controlled by a connected control unit; and the control unit passes the valve opening degree sensor Detect the opening degree of the valve; adjust the valve opening degree by controlling the forward or reverse rotation of the drive motor according to the opening degree and control requirements of the valve to achieve the control of the hot water flow.
  • the digital water flow meter is composed of a water flow meter and a water flow sensor; the water flow meter uses a universal water meter; and the water flow sensor passes the metering of the number of revolutions of the water flow meter. The digitization of the water flow is achieved and the water flow data is transmitted to the control unit to which it is connected.
  • the water inlet temperature sensor and the outlet water temperature sensor are respectively installed in the water inlet pipe and the outlet pipe of the hot water dissipation system, and are used for measuring the water inlet and outlet water temperature of the hot water dissipation system.
  • the first adjustable valve is composed of a drive motor, a shift gear box, a valve opening sensor, a valve; is controlled by a connected control unit; and the control unit passes the valve opening
  • the sensor detects the opening degree of the valve; according to the opening degree and control requirement of the valve, the valve opening degree is adjusted by controlling the forward rotation or the reverse rotation of the driving motor to realize the control of the hot water flow.
  • the contribution of the present invention is that it effectively solves various drawbacks of the conventional multi-floor central heating system: it is impossible to shut down or adjust the heat supply to a single heating floor; the heating heat is not balanced, to ensure the bottom floor or the top floor Basic heating will cause the corresponding other floors to be heated and waste energy; it is difficult to accurately and fairly charge; the transformation of the heating system needs to change the pipeline, the project is difficult, the equipment costs are high and the electric energy is wasted.
  • the device of the invention effectively solves the above problems, the modification does not need to change the pipeline, the installation is simple, the equipment cost is low, the floor can be closed or the user can adjust, and a reasonable and fair charging basis is provided.
  • FIG. 1 is a structural schematic diagram of a single-tube series connection and a double-tube parallel connection method of a multi-floor centralized hot water heating system.
  • FIG. 2 is a schematic view showing the structure of the present invention applied to a single-tube series system.
  • FIG. 3 is a schematic structural view of the present invention applied to a two-pipe parallel system.
  • FIG. 4 is a schematic view showing the construction of a digital water flow meter using a valve device for regulating the heating of a hot water heating system used in the present invention.
  • FIG. 5 is a schematic structural view of the implementation of two digital water flow meters for the valve device for regulating the heating of the hot water heating system used in the present invention.
  • FIG. 6 is a schematic structural view of a digital water flow meter using a valve device for regulating heating of a hot water heating system used in the present invention.
  • FIG. 7 is a schematic view showing the structure of a valve for regulating the flow of water for the valve device for regulating the heating of the hot water heating system used in the present invention.
  • FIG. 8 is a schematic structural view of a water temperature sensor using a valve device for regulating heating of a hot water heating system used in the present invention.
  • FIG. 9 is a schematic structural view of a control valve installed on a split water pipe used in the present invention.
  • a multi-floor centralized hot water heating sub-floor controllable heating system of the present invention as shown in FIG. 2, a water inlet pipe of the hot water cooling system 90 on each floor of a multi-floor single-tube series central heating system
  • a shunt tube 30 is disposed between each of the 50 and the outlet pipe 60, and a first one is provided in each of the shunt tubes 30.
  • the regulating valve 40 as shown in FIG. 3, the water inlet pipe 50 of the hot water cooling system 90 and the water inlet pipe 70 of the hot water cooling system 90 of the lower floor of the upper floor of the multi-floor double pipe parallel central heating mode
  • a first adjustable valve 40 is disposed on each of the communication tubes 80.
  • the first adjustable valve 40 directly enters the heating system of the next floor according to the required partial heating hot water to improve the inlet temperature of the heating system of the next floor, and simultaneously adjusts the hot water supply of each floor to achieve balanced heating and use according to the use. It is required to quantitatively adjust the heating heat of each floor.
  • a digitized water flow meter 24 is connected in series between the inlet pipe 50 and the outlet pipe 60 of each floor, and the inlet pipes 50 described in each floor are respectively provided.
  • the control unit 10 measures the water flow rate of the floor hot water dissipating system 90 in the predetermined time interval through the digitized water flow meter 24 connected thereto, and measures the predetermined daytime by the inflow water temperature sensor 25 and the outflow water temperature sensor 26 connected thereto. The average temperature of the water in and out of the hot water cooling system 90 on the floor.
  • the control unit 10 multiplies the water flow rate of the internal hot water cooling system 90 by a predetermined time (generally 1 hour) by the difference between the water inlet and the outlet water to obtain the heat supply value of the hot water cooling system 90 in the predetermined day. .
  • the control unit 10 communicates with other floor control units through the communication circuit 12 to obtain the heat supply value of the hot water cooling system of the other floors and the heat supply value of the hot water cooling system of the floor.
  • Floor control unit; the control unit 10 uses the heat supply value and the heat supply value of the floor on which it is located to calculate the heat supply value required for the floor according to the requirements of the equalization heating of each floor and the special requirements of the users of each floor.
  • the control unit 10 adjusts the water supply flow rate of the hot water dissipation system 90 of the floor where the first adjustable valve 40 controls the control unit 10 according to the calculated heat supply value to control the heat supply of the hot water dissipation system 90; 10 Record and accumulate the heat supply value of the hot water cooling system 90 on the floor, as the reference basis for the accumulated heat supply of each floor, and display the data on the display.
  • the quantitative adjustment of the hot water flow into the hot water heating system on each floor needs to first determine the quantitative relationship between the heating hot water flow and the heating system heating.
  • the method for measuring the amount of heat supplied to the hot water heating system in a certain day is to calculate the difference between the hot water and the hot water flowing into and out of the heating system within a certain time interval. The difference is that the hot water heating system is here. The amount of heat provided in the room.
  • the heat energy of hot water can be obtained by adding two parts of heat energy: one is the basic heat energy of 4 degrees Celsius water, and the other is the heat required to heat the water from 4 degrees Celsius to the corresponding temperature;
  • the heat energy flowing out of the hot water of the heating system is the amount of heat required to raise the temperature of 4 degrees Celsius corresponding to the amount of water flowing into or out of the heating system in the section to the average temperature of the hot water flowing into or out of the heating system in the section.
  • the choice of water temperature at 4 degrees Celsius is because the water volume at this temperature is the smallest and does not involve the phase change problem. Above this temperature, the water temperature rise is proportional to the linear energy consumption. Therefore, the calorific value calculated by the hot water heating system is calculated as follows:
  • the amount of water flowing out of the heating system in actual use may be less than the amount of water flowing into the heating system due to water leakage.
  • the above formula can also be simplified as follows:
  • the heat unit is defined as 1 calorie heat equal to the heat required to heat 1 kilogram of water by 1 degree Celsius, which is similar to heating 1 liter of water to 1 degree Celsius.
  • the amount of water is measured in liters, and the temperature is measured in degrees Celsius.
  • the unit of calorific value of the calculation result is a large card.
  • the water flow rate of the hot water heating system in a certain day can be measured, and the measured water flow rate is transmitted to the control unit 10 connected thereto, so that the control unit 10 calculates the supply of the heating system in a certain day.
  • the inlet water temperature and the outlet water temperature of the hot water heating system can be measured using the inlet water temperature sensor 25 and the outlet water temperature sensor 26 installed in the hot water heating system inlet pipe 50 and the outlet pipe 60, and The measured value is transmitted to the control unit 10; and the control unit 10 calculates the average temperature of the hot water heating system flowing into the hot water heating system and the water temperature of the outflow hot water heating system.
  • the control unit 10 calculates a certain amount of water according to the calculation formula according to the water flow rate of the hot water heating system, the water temperature of the inflow hot water heating system, and the water temperature of the outflow hot water heating system measured as described above.
  • the hot water flow rate of the hot water heating system is adjusted by adjusting the opening degree of the valve 23 to which the adjustable water flow is connected.
  • the control unit 10 measures the heat supply after adjusting the valve 23 of the adjustable water flow rate by measuring the heat supply of the indoor heating system as described above, and determines Whether it is necessary to further adjust the valve 23 that can regulate the water flow. If it is necessary to adjust the valve 23 that regulates the adjustable water flow according to the heating requirements, until the heat supply reaches the required level.
  • the two digital water flows can be used according to the calculation formula of the water leakage amount including the hot water heating system as above.
  • Meter 24 one installed in the hot water heating system inlet pipe 50 to measure the inflow flow rate of the hot water heating system; one installed in the hot water heating system outlet pipe 60 to measure the outlet flow rate of the hot water heating system.
  • the digital water flow meter 24 is composed of a common water flow meter 241 and a water flow sensor 242.
  • the water flow meter uses a universal water meter.
  • the water flow sensor may constitute a permanent magnet 2421 mounted on the rotating shaft 2411 of the water flow meter 241 and a Hall sensor member 2422 mounted near the permanent magnet 2421.
  • the permanent magnet 2421 mounted on the rotating shaft of the page 2411 also rotates.
  • the nearby Hall sensor device 2422 will be permanent. Magnetic The signal of one turn of the body is transmitted to the control unit 10 connected thereto. Since each rotation of the page 24 of the water flow meter 241 means that a certain volume of hot water flows through the water flow meter 241, the control unit 10 can measure
  • the valve 23 for adjustable water flow is composed of a drive motor 231, a shift gear box 232, a valve opening sensor 233, and a valve 234.
  • the valve can use the ball valve shown in Figure 7.
  • the ball valve needs to be rotated 90 degrees from full opening to full closing.
  • the drive motor 231 can be powered by a DC motor.
  • the shifting gearbox 232 is used to slow down and increase torque.
  • the valve opening degree sensor 233 can be constituted by a permanent magnet 2331 mounted on the output shaft of the direct current motor 231 and a Hall sensor member 2332 installed in the vicinity as shown in FIG. 7; the DC motor 231 is always on the output shaft every revolution.
  • the magnet 2331 is also rotated one turn, and the sensor attached to the Hall sensor unit 2332 transmits a signal of one rotation of the motor to the control unit 10,
  • the control unit 10 can count the number of revolutions of the direct current motor 231 and calculate the opening degree of the valve 234.
  • the valve 23, which regulates the flow of water, is used to regulate the flow of hot water into the hot water heating system on the floor where it is located.
  • the water inlet temperature sensor 25 and the outlet water temperature sensor 26 are constituted by a temperature sensor installed in the water pipe and a signal line for connecting the control unit 10.
  • the control valve 40 on the communication water pipe 80 between the inlet water pipes 70 of the one-floor hot water heating system is composed of a drive motor 41, a shift gear case 42, a valve opening degree sensor 43, and a valve 44.
  • the valve can be used with a ball valve as shown in Figure 9. The ball valve is rotated 90 degrees from full opening to full closing.
  • the drive motor 41 can be powered by a DC motor.
  • the gearbox 42 is used for deceleration and increased torque.
  • the valve opening degree sensor 43 can be constituted by a permanent magnet 431 mounted on the output shaft of the direct current motor 41 and a Hall sensor member 432 mounted in the vicinity as shown in FIG. 9; the output of the direct current motor 41 on the output shaft per revolution
  • the magnet 431 is also rotated one turn, and is mounted on the Hall sensor member 43 2 to transmit a signal for each revolution of the motor to the control unit 10,
  • the control unit 10 can count the number of revolutions of the DC motor 41 and calculate the opening degree of the valve 44.
  • the control valve 40 is used to regulate the flow of hot water directly flowing into the hot water heating system of the next floor, and the hot water directly flowing into the hot water heating system of the next floor can raise the hot water temperature of the hot water heating system of the next floor, Balance the heating effect between the floors.
  • the control unit 10 is constituted by a control circuit 11 for measuring and calculating and driving, and a communication circuit 12 for transmitting and receiving data with the hot water control unit of the other floors.
  • the control unit 10 transmits the heat supply value of the hot water heating system in a certain floor of the floor to the other floors through the communication circuit 12 that communicates with the communication circuits of the other floor hot water heating system control units, and receives the heat from the other floors. The amount of heat supplied to the hot water heating system in the day.
  • the control unit 10 records and accumulates the heat supply value of the hot water heating system on the floor, and uses this as a reference charge basis for the accumulated heat supply for each floor.
  • the control unit 10 calculates the calorific value of the floor on which the floor is located by accumulating the sum of the calorific value of the other floors received and the floor in which it is located in the same certain compartment, and dividing by the floor. Total income It is the value of heat supply required for equal heating of each floor. If the data transmitted between the floors also includes the heating ratio setting set by the user, such as 100% full opening and 0% full setting, the user can also set the intermediate value. The above calculation method needs to be introduced. The proportions set by the weight are weighted to arrive at the appropriate heat supply value.
  • the communication between the communication circuit 12 and the communication circuits of the control units of the other hot water heating systems can be communicated via a power supply line, a dedicated signal line or a radio.
  • a total control unit including the total communication circuit may be provided, and the total communication circuit in the total control unit and the communication circuit 12 of each floor are transmitted and Receiving data; the total control unit collects the heat supply value of the predetermined inter-column internal hot water cooling system 90 on the floor of the control unit 10 of each floor hot water cooling system 90, and uses these heat supply values to balance the heating according to each floor. Require the specific requirements of each floor user to calculate the heat supply value required for each floor, and transmit the calculated heat supply value of each floor to the control unit 10 of each floor hot water cooling system 90 through the total communication circuit.
  • the heat supply value of the hot water dissipation system 90 of each floor is controlled; the total control unit records and accumulates the heat supply value of the hot water dissipation system 90 of each floor, and uses this as a reference for the accumulated heat supply of each floor.

Abstract

L’invention concerne un système de chauffage central à eau chaude pour étages multiples commandé à chaque étage, qui comprend plusieurs systèmes (90) de radiateurs à eau chaude répartis sur différents étages, chacun de ceux-ci étant successivement relié en série de haut en bas. A chaque étage, un tuyau (30) de branchement est prévu entre un tuyau d’entrée (50) d’eau et un tuyau de sortie (60) d’eau du système (90) de radiateurs. Une première vanne (40) réglable est placée dans chacun des tuyaux (30) de branchement. Dans une autre forme de réalisation, chacun des systèmes (90) de radiateurs est relié successivement en parallèle de haut en bas. Un tuyau (80) de raccordement est prévu entre le tuyau d’entrée (50) d’eau du système (90) de radiateurs, à chaque étage, et le tuyau d’entrée (70) d’eau du système (90) de radiateurs de l’étage inférieur suivant. La première vanne (40) réglable est placée dans chacun des tuyaux (80) de raccordement. Une unité de commande (10) est également installée sur chaque étage pour régler le débit d’eau chaude à travers la première vanne (40) réglable. L’invention permet de fermer ou de régler la charge calorifique d’un étage séparé, ce qui permet d’obtenir un chauffage équilibré et d’assurer des frais justes et raisonnables.
PCT/CN2009/073242 2009-08-13 2009-08-13 Système de chauffage central à eau chaude pour étages multiples commandé à chaque étage WO2011017841A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2009/073242 WO2011017841A1 (fr) 2009-08-13 2009-08-13 Système de chauffage central à eau chaude pour étages multiples commandé à chaque étage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2009/073242 WO2011017841A1 (fr) 2009-08-13 2009-08-13 Système de chauffage central à eau chaude pour étages multiples commandé à chaque étage

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102954532A (zh) * 2011-08-23 2013-03-06 上海漕泾热电有限责任公司 多区域供热系统及其控制方法
CN102954532B (zh) * 2011-08-23 2016-12-14 上海漕泾热电有限责任公司 多区域供热系统及其控制方法

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Publication number Priority date Publication date Assignee Title
CN1214432A (zh) * 1998-08-26 1999-04-21 侯清科 冬季取暖室内温度可调式节能技术方案
CN2603329Y (zh) * 2003-01-29 2004-02-11 陈岩 分组供暖锁控总成
GB2395293A (en) * 2002-11-15 2004-05-19 Invensys Controls Uk Ltd Control system for central heating apparatus
CN1847808A (zh) * 2005-04-05 2006-10-18 甘肃德邦智能机电科技有限公司 集中供热单管热分配分户计量管理网络系统及收费方法
CN101371080A (zh) * 2006-03-06 2009-02-18 威乐股份公司 用来分配和调节来自热源和/或冷源的载热体的装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1214432A (zh) * 1998-08-26 1999-04-21 侯清科 冬季取暖室内温度可调式节能技术方案
GB2395293A (en) * 2002-11-15 2004-05-19 Invensys Controls Uk Ltd Control system for central heating apparatus
CN2603329Y (zh) * 2003-01-29 2004-02-11 陈岩 分组供暖锁控总成
CN1847808A (zh) * 2005-04-05 2006-10-18 甘肃德邦智能机电科技有限公司 集中供热单管热分配分户计量管理网络系统及收费方法
CN101371080A (zh) * 2006-03-06 2009-02-18 威乐股份公司 用来分配和调节来自热源和/或冷源的载热体的装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102954532A (zh) * 2011-08-23 2013-03-06 上海漕泾热电有限责任公司 多区域供热系统及其控制方法
CN102954532B (zh) * 2011-08-23 2016-12-14 上海漕泾热电有限责任公司 多区域供热系统及其控制方法

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