WO2023172157A1 - Module unifié numérique (cassette) de système de chauffage/réfrigération rayonnant - Google Patents

Module unifié numérique (cassette) de système de chauffage/réfrigération rayonnant Download PDF

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Publication number
WO2023172157A1
WO2023172157A1 PCT/RU2022/000236 RU2022000236W WO2023172157A1 WO 2023172157 A1 WO2023172157 A1 WO 2023172157A1 RU 2022000236 W RU2022000236 W RU 2022000236W WO 2023172157 A1 WO2023172157 A1 WO 2023172157A1
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WO
WIPO (PCT)
Prior art keywords
cassette
module
base
unified module
digital
Prior art date
Application number
PCT/RU2022/000236
Other languages
English (en)
Russian (ru)
Inventor
Антон Дмитриевич ЕФРЕМОВ
Александр Андреевич ДОНЦОВ
Дмитрий Сергеевич НИКУЛИН
Original Assignee
КОРЕНЕВА, Оксана Игоревна
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
Priority claimed from RU2022106257A external-priority patent/RU2022106257A/ru
Application filed by КОРЕНЕВА, Оксана Игоревна filed Critical КОРЕНЕВА, Оксана Игоревна
Publication of WO2023172157A1 publication Critical patent/WO2023172157A1/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
    • F24D3/00—Hot-water central heating systems
    • F24D3/12—Tube and panel arrangements for ceiling, wall, or underfloor heating

Definitions

  • DIGITAL UNIFIED MODULE (CASSETTE) FOR RADIANT HEATING/COOLING SYSTEM
  • the present invention describes the design and operating principle of a digital unified module (cassette) of a radiant heating/cooling system installed on the ceiling and used to create, maintain and regulate a comfortable microclimate in premises for various purposes (medical, educational, administrative, industrial, residential).
  • the thermally conductive filler contains circulating media (metal with high thermal conductivity) and consists of metal shavings and a binder (Oto Zehnder patent DE1943063 dated March 5, 1970). Later, the Zehnder group of companies supplemented the patent with the possibility of manufacturing a heat-conducting filler from thermally expanded graphite and a structural reinforcing element based on alkyd and/or acrylate resins (patent group of companies Zehnder HUE042147 dated June 28, 2019).
  • a similar kind of heat-conducting filler was also used to create a ceiling cassette for a heating and cooling system, described in the patent of the Zehnder group of companies EP2295871 dated March 16, 2011, in which the circulation media (metal with high thermal conductivity) is placed directly on the surface of the heat-conducting filler on the opposite side of the radiating surface .
  • a known device is a ceiling heat exchange system with circulation means in the form of a capillary mat, used as a heating or cooling system for a room with a supporting structure suspended under the base ceiling (Veka company patent DE202013003763 dated June 13, 2013).
  • the capillary mat is a collection of polymer tubes located in the same plane at a distance of 2-3 cm from each other and combined into a common tubular collector of larger diameter through which the heat exchange fluid flows.
  • a solid or lamellar heat-insulating material is located above the working area of the capillary mat, on the contact side of which there is an adhesive layer.
  • circulation means are placed in a base base made of durable material with high thermal conductivity in the form of a comb.
  • circulation means of various diameters can be used, and the distance and height of the relative position of the circulation means can be adjusted.
  • a technological groove can be made in the end surface of the base base, which, together with a T-shaped ceiling fastener, ensures quick assembly of the entire system.
  • the device of the ceiling heat exchange system of the company Rehau DE202011002988 dated 05/22/2012 is known, which is based on a base made of thermal insulation material and a circulation medium in the form of a single collectorless capillary, tending in concentric circles to the center of the base base.
  • the base base made of rigid hollow plastic, is divided into cells: a protrusion that forms the radiating surface, and a depression that provides direction and fixation of the circulating medium.
  • the supply and exit of the coolant through the circulation medium is localized in one place of the heat exchange system, providing ease of installation with adjacent heat exchange systems that have a similar structure.
  • a known device is a ceiling heat exchange system from Uponor EP3361175 dated August 15, 2018, which contains, in addition to a supporting structure (base base) and a circulation means attached to the base base, an “air box” - a channel for the passage of supply air in the ceiling space.
  • the base base is made of thin sheet material and has a flat radiating surface.
  • the tubular-shaped circulation means is made of metal with high thermal conductivity and has direct contact with the base surface.
  • the circulating medium contacts the base base not only through a line of direct contact, but also by means of a molded cover of thin sheet material welded to the base base.
  • the design of the invention contains a heating surface made of extruded metal panels with end locking elements (protrusion - groove) and convex/concave cylindrical surfaces, the axes of which are perpendicular to the locking elements, and a heating element placed in corresponding fasteners made on the inner surface of the extruded metal panels, forming the heating surface.
  • the design of the heat distribution panel described in patent RU159427U1 dated July 6, 2015 (ZAO UNIKHIMTEK), contains a copper meander tube pressed into the heat distribution plate (two pressed plates made of thermally expanded graphite) together with U-shaped brackets, which in turn are fixed in metal h-shaped frame.
  • the frame of the lower side is covered with canvas glued to the lower side surface of the heat-distributing plate and attached to the frame along the perimeter, and on the upper side there is a coating of aluminum foil.
  • the technical objectives of the claimed utility model are: • increasing the density of distribution of circulating media per unit surface of a unified module (cassette);
  • the technical results of the invention are increased thermal and energy efficiency and operational reliability, digitalization of the device, and simplification of manufacturing and installation technology.
  • the design of the digital unified module (cassette) of the radiant heating/cooling system is based on the base (Fig. 1, item 1), formed by the lower and upper (located in the under-ceiling space) heat exchange surfaces.
  • the base serves to fix the array of circulation means (Fig. 1, item 2) and intensify heat exchange processes.
  • the heat transfer surfaces of the base can be made of sheet structural material with high thermal conductivity (aluminum alloy, copper alloy, thin-sheet structural steel) and can have a curved (parabolic) surface, which allows the incident and radiated heat flows to be effectively distributed.
  • the shape of the top of the curved (parabolic) heat exchange surface is made identical to the half-cylindrical shape of the circulation means used, taking into account the layer of composite heat-conducting material, so that when they are connected, a gapless thermal contact is formed.
  • the heat exchange surfaces of the base with an array of circulation means installed between them can have direct thermal contact and additional structural rigidity, obtained by sequential evacuation and filling the empty space with liquid composite heat-conducting material with its subsequent hardening (Fig. 1, pos. 3).
  • the base of a unified module (cassette) of a radiant heating/cooling system can be supplemented with a protective cover (Fig.
  • the circulation means of the digital unified module (cassette) of the radiant heating/cooling system serve to carry out heat exchange and are installed in the appropriately shaped area of the heat exchange surface of the base.
  • the circulation means are an array of tubes (0 V ext. from 2 to 10 mm) (Fig. 2, pos. 1 and Fig. 3, pos. 2), mounted in a common drain/source (collector) from the tube (0 ext. from 16 to 50 mm) (Fig. 2, item 2 and Fig. 3, item 3), made of polymer material. Installation of an array of tubes into a common drain/source (collector) is carried out by soldering in a single plane at right angles to the base surface of the drain/source (collector).
  • a melted meniscus is formed on the surface of the drain/source (collector), limiting the minimum distance between adjacent elements of the circulation media (at least 10 mm) and, accordingly, the distribution density of the circulation media per unit surface of the unified module (cassette).
  • a two-fold increase in the density of distribution of circulating media per unit area is achieved due to a two-level arrangement of soldering points for elements of circulating media on the surface of the drain/source (collector) with a 45-degree offset from each other along the cylindrical component of the drain/source (collector) and (10...15)-degree displacement of the planes of their location.
  • the inner and outer surface of the circulation means can be modified to reduce thermal resistance along the heat flow path.
  • Surface modification consists of reducing roughness due to local melting and can be achieved by using the method of thermal surface polishing, which occurs when the internal surface is treated with superheated water vapor, and the external surface is treated with a directed heat source (gas burner, electric or infrared heater).
  • the proposed digital unified module does not have its own mechanical connection elements with an adjacent module (cassette) having an identical or similar design. Instead, the mechanical connection system of the proposed invention is designed to be integrated into popular ceiling system product lines (Armstrong, Grilyato). Elements of a unified hydraulic connection of common drains/sources (collectors) have a unified quick-release design and ensure circulation of coolant fluid under an operating pressure of 2-10 bar between adjacent modules having an identical or similar design.
  • the hardware and software complex (Fig.3, item 1) of the digital unified module (cassette) includes:
  • a temperature sensor implemented on the basis of a known type of thermocouple with the ability to generate voltage and current, while the analog signal is transmitted via an ADC to the microcontroller of a unified module (cassette) or using a thermistor in the voltage divider circuit from a stabilized power source.
  • the thermal sensor can be installed in the center of the module (cassette) between the heat exchange surface and the circulation means.
  • sensors are placed not only in the center, but also along the perimeter or in a geometric location that provides a relevant temperature measurement. Gluing, pressing, or filling with compound can be used as a method for installing a temperature sensor.
  • the accuracy of the temperature sensor is not lower than 0.1 °C.
  • a leakage and dew point sensor consists of two or more electrodes or metal foil glued to a dielectric base. A small voltage is created between the electrodes and contacts cut from metal foil. If the cassette is dry, the resistance is high and there will be little or no current. If the cassette is wet, the resistance will decrease and the current will increase. If the cassette leaks, the resistance will tend to its minimum values, and the current will be the maximum possible. The resulting analog signal can indicate the degree of moisture or leakage, displaying values to the microprocessor in a 10-bit range. Electrodes or metal foil can be installed between the circulation means and the heat-insulating material of the base over the entire area of the unified module (cassette) or in a geometric location that ensures uniform coverage of the zones of the module (cassette).
  • wireless communication module is implemented on energy-efficient communication modules for the Internet of Things (IoT): LoRaWAN, SIGFOX, CIoT, 4G LTE, 5G, NB-IoT, Wi-Fi, 6L0WPAN, Thread, ZigBee IP, Z-Wave, ZigBee, BLE 4.2 (Bluetooth Mesh), WirelessHart, MiWi and other energy-efficient protocols.
  • IoT Internet of Things
  • a microcontroller for processing sensor signals, storing and transmitting information in digital form to the server is based on the AVR, ARM or ESP controller families, depending on the communication protocol, sampling frequency, number of sensors and power supply of the entire circuit. Installation can be done in the corner of a unified module (cassette) near the supply manifold in a sealed housing with an external or internal antenna.
  • the power supply of the electronic assembly can be autonomous, combined or constant. Autonomous power supply is provided by a battery or battery of suitable voltage and capacity. The combined power supply is implemented on the basis of an electronic assembly: a feeding battery, a boost converter, a capacitor storage tank and a thermal generator based on the Seebeck effect. Constant power can be supplied from low voltage 6-17 V. Installation of the electrical circuit and thermogenerator can be done between the heat exchange surface and the circulation means, also by pouring into the compound.
  • the claimed invention has new fundamental distinctive features, which are as follows:
  • the lower and upper heat transfer surfaces of the base are made of sheet structural material with high thermal conductivity, the curvilinear (parabolic) shape of which is made identical to half the cylindrical shape of the circulation means used, in such a way that when they are connected, a gapless thermal contact is formed taking into account the thermally conductive composite material;
  • heat exchange surfaces have direct thermal contact and additional structural rigidity, obtained by sequential evacuation and filling of the empty space with a liquid thermally conductive composite material with its subsequent hardening;
  • the listed distinctive features of the invention make it possible to increase the thermal and energy efficiency of the device, move the devices to a new qualitative level - digital devices, increase operational reliability, and simplify manufacturing and installation technologies.
  • the claimed invention can be made from known materials using known means and technologies, which makes it possible to judge whether the claimed invention meets the patentability criterion of “industrial applicability”.
  • the claimed invention significantly exceeds the existing level of technology, which allows one to judge whether it meets the patentability criterion of “inventive step”.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

L'invention se rapporte au domaine du génie thermique. Ce module peut être utilisé dans des systèmes de chauffage/réfrigération rayonnants et en génie climatique afin d'augmenter l'efficacité thermique et énergétique et la fiabilité lors de l'exploitation. Ce module (cassette) comprend des surfaces inférieure et supérieure d'échange de chaleur d'une base. La base est faite d'un matériau structurel en feuilles ayant une conductivité thermique élevée. La forme curviligne de la base est identique à la moitié de la forme cylindrique du moyen de circulation utilisé. La base et le moyen de circulation sont connectés en remplissant l'espace vide entre eux avec un matériau composite thermoconducteur liquide suivi du durcissement de celui-ci. Le module comprend un complexe logiciel-matériel de numérisation.
PCT/RU2022/000236 2022-03-11 2022-07-22 Module unifié numérique (cassette) de système de chauffage/réfrigération rayonnant WO2023172157A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2022106257 2022-03-11
RU2022106257A RU2022106257A (ru) 2022-03-11 Цифровой унифицированный модуль (кассета) системы лучистого отопления/охлаждения

Publications (1)

Publication Number Publication Date
WO2023172157A1 true WO2023172157A1 (fr) 2023-09-14

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Application Number Title Priority Date Filing Date
PCT/RU2022/000236 WO2023172157A1 (fr) 2022-03-11 2022-07-22 Module unifié numérique (cassette) de système de chauffage/réfrigération rayonnant

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Country Link
WO (1) WO2023172157A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5579996A (en) * 1992-06-30 1996-12-03 Fiedrich; Joachim Radiant floor and wall hydronic heating systems
EP2023050A1 (fr) * 2007-07-23 2009-02-11 Lindner Ag Habillage mural ou plafonnier doté d'un dispositif de chauffage ou de refroidissement
KR20100086666A (ko) * 2009-01-23 2010-08-02 (주)샘시스템 복사 냉난방 시스템 및 그 시공방법
WO2020183358A1 (fr) * 2019-03-11 2020-09-17 Zehnder Group International Ag Système modulaire, module de panneau rayonnant et procédé
RU2019124651A (ru) * 2019-07-31 2021-02-01 Общество с ограниченной ответственностью "НАНОКЕРАМИКС" Теплоотводящий элемент и способ его изготовления

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5579996A (en) * 1992-06-30 1996-12-03 Fiedrich; Joachim Radiant floor and wall hydronic heating systems
EP2023050A1 (fr) * 2007-07-23 2009-02-11 Lindner Ag Habillage mural ou plafonnier doté d'un dispositif de chauffage ou de refroidissement
KR20100086666A (ko) * 2009-01-23 2010-08-02 (주)샘시스템 복사 냉난방 시스템 및 그 시공방법
WO2020183358A1 (fr) * 2019-03-11 2020-09-17 Zehnder Group International Ag Système modulaire, module de panneau rayonnant et procédé
RU2019124651A (ru) * 2019-07-31 2021-02-01 Общество с ограниченной ответственностью "НАНОКЕРАМИКС" Теплоотводящий элемент и способ его изготовления

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