WO2023072425A1 - Vorrichtung zum erwärmen von raumluft und einer flüssigkeit - Google Patents
Vorrichtung zum erwärmen von raumluft und einer flüssigkeit Download PDFInfo
- Publication number
- WO2023072425A1 WO2023072425A1 PCT/EP2022/000101 EP2022000101W WO2023072425A1 WO 2023072425 A1 WO2023072425 A1 WO 2023072425A1 EP 2022000101 W EP2022000101 W EP 2022000101W WO 2023072425 A1 WO2023072425 A1 WO 2023072425A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- liquid
- air
- medium line
- medium
- room air
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
- F24H3/08—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes
- F24H3/081—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes using electric energy supply
- F24H3/085—The tubes containing an electrically heated intermediate fluid, e.g. water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/335—Control of pumps, e.g. on-off control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/08—Packaged or self-contained boilers, i.e. water heaters with control devices and pump in a single unit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/10—Control of fluid heaters characterised by the purpose of the control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/345—Control of fans, e.g. on-off control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/40—Control of fluid heaters characterised by the type of controllers
- F24H15/414—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based
- F24H15/421—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based using pre-stored data
- F24H15/429—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based using pre-stored data for selecting operation modes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
- F24H3/08—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes
- F24H3/087—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H6/00—Combined water and air heaters
Definitions
- the present invention relates to a device for heating room air and a liquid.
- the object underlying the invention is to propose a device for heating room air and a liquid, which represents an alternative to the prior art.
- the invention solves the problem with a device for heating room air and a liquid, with an air inlet, an air outlet, a liquid inlet, a liquid outlet, an energy unit, a heat exchanger, a medium container, a medium line, a conveying device and a control unit, with the Room air to be heated enters the device via the air inlet, with heated room air leaving the device via the air outlet, with liquid to be heated entering the device via the liquid inlet, with heated liquid leaving the device via the liquid outlet, with the energy unit generating thermal energy, with the Heat exchanger transfers the thermal energy generated by the energy unit to the room air and/or to the liquid, the medium container serving to hold the liquid, the medium line serving to guide the liquid, the heat exchanger and the medium line being designed and relative are arranged relative to each other, that the heat exchanger transfers thermal energy to the liquid in the medium line, with the conveying device serving to move liquid from the medium container to the medium line and from the medium line to the medium container, the control unit containing the conveying device and/or the energy
- CONFIRMATION COPY Liquid runs out of the medium line due to gravity and/or that liquid in the medium line is heated up to an evaporation temperature of the liquid.
- the device according to the invention has inlets and outlets for the room air to be heated and a liquid to be heated or to be heated, e.g. B. service water. At least the liquid can be stored in a medium container. Furthermore, the liquid can be guided through a medium line, for which purpose a conveying device is provided. A heat exchanger transfers thermal energy to the room air and/or the liquid. The liquid that is guided through the medium line and passes through at least one interaction area of the heat exchanger is heated. Accordingly, the heat exchanger and the medium line are arranged relative to one another. The room air is routed past the heat exchanger in a corresponding manner. As the following configurations show, the device makes it possible, for example, to switch between the media to be heated, i.e.
- the medium line Prior to an air mode, in which the device is intended to heat room air only, the medium line is drained of liquid by draining or evaporating it due to gravity. This is done by the control unit controlling the conveying device and/or the energy unit in a preparatory step, i.e. before the actual air mode, so that the liquid flows out of the medium line due to gravity and/or is heated in the medium line above its vaporization temperature .
- the part of the medium line that is located in an effective area of the heat exchanger is relevant in each case. In this way, above all, the liquid that could absorb thermal energy through the heat exchanger is removed.
- the relevant part of the medium line opens out above the medium container for the outflow caused by gravity and thus using gravity.
- the control of the delivery device consists, for example, in that no liquid is delivered or that a negative pressure is even generated in the direction of a mouth of the relevant part of the medium line.
- the alternative or supplementary evaporation occurs, for example, in that the thermal energy generated by the energy unit is increased.
- the delivery of the liquid is interrupted until the liquid has interacted with the heat exchanger long enough and has absorbed sufficient thermal energy in the process. Vaporizing as opposed to using gravity has the advantage that it can be used for more geometric configurations and arrangements of the components involved. In one embodiment, the liquid runs out first and the remainder is evaporated.
- the medium container is used to hold liquid and air, and that there is an air cushion in the medium container.
- the medium container is therefore not completely filled with the liquid during operation, but part of the volume remains, in which an air cushion forms. Therefore, during operation - and in particular during the first start-up - the filling and emptying of the medium container is controlled in such a way that an air cushion is formed.
- the air cushion also allows the liquid to evaporate.
- the air in the air cushion is not room air to be heated, which is specifically heated by the device, but is functional or working air.
- the air cushion results from an additional connection of the medium container to the outside air around the device.
- One configuration includes that the medium line is used to carry liquid and air, and that the conveying device is used to move liquid and/or air from the medium container to the medium line and from the medium line to the medium container.
- the liquid branch of the device also contains air, which is conveyed through the medium line.
- the air from the air cushion can thus be conveyed in a targeted manner through the medium line. This air should not be confused with the room air to be heated.
- control unit controls the conveying device in such a way that liquid flows from the medium container to the medium line and from the medium line to the medium container. During this passage of the liquid through the medium line, the heat exchanger transfers thermal energy to the liquid.
- the device also has a fan for conveying the room air from the air inlet to the air outlet.
- the control unit controls the blower in such a way that room air passes from the air inlet via the heat exchanger to the air outlet.
- the fan conveys room air in such a way that the heat exchanger transfers thermal energy to the room air and thereby heats it up.
- the energy unit generates thermal energy by burning a fuel/air mixture and/or by converting electrical energy.
- FIG. 1 shows a schematic representation of a device.
- Fig. 1 shows schematically the structure of a device for heating room air and a liquid.
- the room air enters the device through the air inlet 1 and leaves it heated through the air outlet 2.
- the liquid for example water, enters the device through the liquid inlet 3 and leaves it warmed (or heated) through the liquid outlet 4.
- the thermal energy for the In the variant shown, heating is generated by the energy unit 5 by burning a fuel-air mixture.
- the heat exchanger 6 transfers the thermal energy to the room air or to the liquid or, for example, both to the room air and to the liquid.
- the room air is guided from the air inlet 1 by a blower 12 along or past the heat exchanger 6 to the air outlet 2 .
- a medium container 7 is provided for the liquid, which is connected to the liquid inlet 3 and the liquid outlet 4 and a medium line 8 .
- the medium container 7 not only absorbs the liquid but also air in an air cushion 11 .
- This air is not the room air that is to be heated by the device, but is used for the functioning of the device and the interaction of the individual components.
- the liquid that passes through the medium line 8 can be transferred from the heat exchanger 6 absorb thermal energy.
- the flow of the liquid is effected by the conveying device 9, which comprises at least one pump, for example.
- the conveyor device 9 is controlled by the control unit 10, which in this embodiment also switches between the different operating modes based on a user setting.
- the medium line 8 which is in contact with the heat exchanger 6 , is located above the medium container 7 . This should make it clear that in the event that no liquid is conveyed through the medium line 8, the liquid can flow out of the relevant section of the medium line 8 and thus downwards in the direction of gravity due to gravity. Due to the geometry of the medium line 8 , a certain amount of liquid can remain in the interaction area of the medium line 8 and the heat exchanger 6 .
- the control unit 10 frees the medium line 8 from any remaining liquid in a preparatory step by heating the liquid above its evaporation temperature.
- the control unit 10 acts here both on the conveying device 9 and on the energy unit 5 .
- the evaporation takes place in that no liquid is conveyed through the medium line 8 for a sufficiently long time and as a result only the remaining liquid receives thermal energy from the heat exchanger 6 .
- the energy unit 5 is controlled in such a way that it supplies more thermal energy.
- the conveying device 9 acts as a blower, which removes the liquid that has already evaporated from the medium line 8 .
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)
- Computer Hardware Design (AREA)
- Central Heating Systems (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP22814285.7A EP4423438B1 (de) | 2021-10-29 | 2022-10-28 | Vorrichtung zum erwärmen von raumluft und einer flüssigkeit |
| CN202280053437.4A CN117795264A (zh) | 2021-10-29 | 2022-10-28 | 用于加热室内空气和液体的设备 |
| AU2022376881A AU2022376881A1 (en) | 2021-10-29 | 2022-10-28 | Device for heating room air and a liquid |
| US18/570,217 US20240384894A1 (en) | 2021-10-29 | 2022-10-28 | A device for heating room air and a liquid |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021005382.6A DE102021005382A1 (de) | 2021-10-29 | 2021-10-29 | Vorrichtung zum Erwärmen von Raumluft und einer Flüssigkeit |
| DE102021005382.6 | 2021-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2023072425A1 true WO2023072425A1 (de) | 2023-05-04 |
Family
ID=84367670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2022/000101 Ceased WO2023072425A1 (de) | 2021-10-29 | 2022-10-28 | Vorrichtung zum erwärmen von raumluft und einer flüssigkeit |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20240384894A1 (de) |
| EP (1) | EP4423438B1 (de) |
| CN (1) | CN117795264A (de) |
| AU (1) | AU2022376881A1 (de) |
| DE (1) | DE102021005382A1 (de) |
| WO (1) | WO2023072425A1 (de) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2827893A (en) * | 1955-01-28 | 1958-03-25 | Andrew A Ribaudo | Furnace system for heating air and water |
| DE2224711A1 (de) * | 1972-05-20 | 1973-11-29 | Eberspaecher J | Heizeinrichtung vorzugsweise fuer kraftfahrzeuge mit wassergekuehltem verbrennungsmotor |
| EP0262263A1 (de) * | 1985-04-04 | 1988-04-06 | van Heel, Joannes Marie | Lufterhitzer |
| EP2614971A1 (de) * | 2010-09-06 | 2013-07-17 | Mitsubishi Heavy Industries, Ltd. | Vorrichtung zur erwärmung eines wärmemediums und fahrzeugklimaanlagenvorrichtung damit |
| US20190212033A1 (en) | 2016-08-12 | 2019-07-11 | Girard Products, Llc | Hydro-furnaces and related methods for vehicles |
-
2021
- 2021-10-29 DE DE102021005382.6A patent/DE102021005382A1/de active Pending
-
2022
- 2022-10-28 US US18/570,217 patent/US20240384894A1/en active Pending
- 2022-10-28 AU AU2022376881A patent/AU2022376881A1/en active Pending
- 2022-10-28 WO PCT/EP2022/000101 patent/WO2023072425A1/de not_active Ceased
- 2022-10-28 EP EP22814285.7A patent/EP4423438B1/de active Active
- 2022-10-28 CN CN202280053437.4A patent/CN117795264A/zh active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2827893A (en) * | 1955-01-28 | 1958-03-25 | Andrew A Ribaudo | Furnace system for heating air and water |
| DE2224711A1 (de) * | 1972-05-20 | 1973-11-29 | Eberspaecher J | Heizeinrichtung vorzugsweise fuer kraftfahrzeuge mit wassergekuehltem verbrennungsmotor |
| EP0262263A1 (de) * | 1985-04-04 | 1988-04-06 | van Heel, Joannes Marie | Lufterhitzer |
| EP2614971A1 (de) * | 2010-09-06 | 2013-07-17 | Mitsubishi Heavy Industries, Ltd. | Vorrichtung zur erwärmung eines wärmemediums und fahrzeugklimaanlagenvorrichtung damit |
| US20190212033A1 (en) | 2016-08-12 | 2019-07-11 | Girard Products, Llc | Hydro-furnaces and related methods for vehicles |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102021005382A1 (de) | 2023-05-04 |
| EP4423438B1 (de) | 2025-09-03 |
| AU2022376881A1 (en) | 2023-12-21 |
| US20240384894A1 (en) | 2024-11-21 |
| EP4423438A1 (de) | 2024-09-04 |
| CN117795264A (zh) | 2024-03-29 |
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