Classifications

• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
  • H05B3/00—Ohmic-resistance heating
  • H05B3/78—Heating arrangements specially adapted for immersion heating
  • H05B3/82—Fixedly-mounted immersion heaters
• • 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
  • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
  • F24H1/101—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply
  • F24H1/102—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply with resistance
• • 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
  • F24H9/00—Details
  • F24H9/0005—Details for water heaters
  • F24H9/001—Guiding means
  • F24H9/0015—Guiding means in water channels
  • F24H9/0021—Sleeves surrounding heating elements or heating pipes, e.g. pipes filled with heat transfer fluid, for guiding heated liquid
• • 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
  • F24H9/00—Details
  • F24H9/18—Arrangement or mounting of grates or heating means
  • F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
  • F24H9/1818—Arrangement or mounting of electric heating means
• • 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 a water heater with a heating block for heating water with an electric heating element, which has insulated against electrical voltage ußere heating surfaces, with a water inlet for connection to a
• Voltage leading coil is located in a water channel, so that water is at least then energized when heating.
• CONFIRMATION COPY flows, which in turn is formed of an outer tube and a smaller diameter inner tube. Between the walls of these tubes is one or more tubular heating elements are embedded by means of a metal powder. This structure is pressed under high pressure into a unit and installed as a heating insert in a serving to guide the medium to be heated, larger container.
• the container has an inlet port, and the inner tube of the heating insert forms in its extension an outlet.
• Plastic channel body is known from DE 196 16 766 C2. Uninsulated and lapped directly from the water heating element are arranged here. The last arranged in the channel body radiator coil has in the region of its highest temperature development to a smaller outer diameter than in the other areas.
• the water heater has a heating block for heating water.
• an electric heater is arranged, which has electrical voltage isolated outer heating surfaces.
• An inlet for water for connection to a water supply network and an outlet are provided.
• at least one channel section is designed for heating and guiding the water.
• the radiator is at least partially in the at least one first channel line, for guiding the water in a first flow direction.
• the radiator is further at least partially in a second channel section of the heating block, for guiding the water in a second flow direction.
• the first channel section and the second channel section are fluidly connected to a connection, so that the water can flow in at least two directions of flow.
• a deflection of the flow direction in the connection by more than 50 °, preferably about 90 °, and in particular for a small size of the
• the first channel path is arranged next to the second channel path and separated by a wall.
• the wall is made in one piece with the water guide unit or at least one wall is used separately in the water guide unit.
• the wall has a structure, in particular waves, teeth, steps or shoulders.
• the wall consists of two opposite wall areas.
• the first and at least second channel sections are advantageously heated, and advantageously at least one first water section lying in series with the first channel section is not heated.
• Waterway and a first or second channel path arranged substantially parallel to each other to allow an opposite flow through the water.
• the first water section and the first and second channel sections are advantageously connected in series, and the water flows meandering through the heating block.
• a sensor for detecting the water temperature and / or the flow of water in the heating block, in particular in the first or the second channel route, in the first water path or in the connection is arranged.
• a water temperature in the heating block is determined by means of the sensor, the
• Water temperature is compared with a set temperature, and according to a deviation of the water temperature from the set temperature, the power for the Radiator of the water heater determined and adjusted to bring the water to the specified set temperature.
• the radiator is according to another idea of the invention of several individual radiators.
• a radiator is used at least in the first and / or the second channel section.
• corresponding electrical connections are provided for several radiators.
• Channel section fits. Thus, several channel sections are heated with a radiator, and only one electrical connection with two contacts is preferably in a drying space of the water heater.
• the housing of the heating block consists in an advantageous embodiment of at least two different materials, in particular of plastics with different material qualities.
• Additives and the first material component with additives or a second material component can be combined with or without additives. It is also advantageous to use three material combinations or more than two components.
• Fig. 1 section through a heating block with channel sections
• a heating block 30 of an electric water heater 10 is shown.
• the heating block 30 has a radiator 20 with heating surfaces 21.
• Radiator connection 22 is for connection to an internal wiring of
• the radiator 20 is by means of a radiator nut 23 and a radiator seal 2 attached to the heating block 30 watertight.
• the radiator 20 has a first radiator sheet 25, a second radiator sheet 26 and a third radiator sheet 27.
• the Roh r is a half length bent by 180 0 , whereby the third radiator sheet 27 is formed ,
• This "U” is bent 180 ° on the first and second radiator arcs 25, 26, but in a different plane, so that the "U” viewed rotated by 90 ° represents a "Z”.
• the heating block 30 further includes an inlet 31 and located in the vicinity of the inlet 31 Wasserein running space 32 a uf. In the area of an outlet 33 a Wasserauslaufra is provided by 34.
• a first wall 35 here in Auspen approximately example consisting of a first and second wall portion 36, 37, a third water section 45 separates from a third channel section 44 so that water can be passed to the radiator 20 and the water from the radiator 20 can be heated.
• the wall is inserted at a wall end 81 in a receptacle 80 of the heating block. The water can around a wall end 82 of the third channel section 44 to the third
• a second wall 38 separates a first channel section 42 from a second channel section 43, wherein the water can flow from the first channel section 42 into the second channel section.
• the water flows through the heating block 30 in the following order:
• the distances to be traversed by the water are each separated by a first, second, third, fourth, fifth and sixth wall 35, 38, 83, 84, 85 and / or 86.
• the waterways and / or canal lines are each connected by links (e.g.
• Connection 49 fluidly connected, so that the water as described from the inlet 31 to the outlet 33 can flow. This changes the
• first, third and fourth water section 40, 45 and 46 is no radiator and the water is not heated. Heating takes place in the first, second and third channel section 42, 43 and 4 with the advantageous here integrally running radiator 20.
• the channel sections are delimited to the waterways with walls, as well as water routes are delimited to waterways and channel routes to channel sections, so that the water can flow.
• the compounds have
• cross-sectional areas between water routes may advantageously be different Lich to the cross-sectional areas between the channel sections.
• the heating block consists of a cup consisting of a circulating side wall 50 and a bottom 51.
• a lid 60 is inserted, in which the first and second walls 35, 38 are attached.
• a sensor 70 for the lid 60 and the radiator 20 is inserted and held and in the embodiment, a sensor 70 for the lid 60 and the radiator 20 is inserted and held and in the embodiment, a sensor 70 for the lid 60 and the radiator 20 is inserted and held and in the embodiment, a sensor 70 for
• a sensor of the sensor 70 protrudes between the second passage 43 and the third passage 44 in the area where the water flows, for detecting the water temperature.
• the sensor 70 is fastened with screws 71 on the cover 60.
• fasteners 52, 53 On the side wall 50 are fasteners 52, 53, in particular for buttons or controls that sit in a hood, not shown, of the water heater 10.
• a spaced cover 62 is attached, which has a nut 63 and a neck 64 with a hole 65.
• the lid 60 and the side wall 50 are joined together at an edge 61 and sealed watertight.
• a receptacle 72 for further sensors is provided, in particular for a
• the recording 72 a power of the radiator influencing triac provided, which is cooled by the cold incoming water.
• a flow and / or temperature detection is also advantageously mounted in the receptacle. Otherwise, it is advantageous to provide at least one further recording.
• Fig. 3 shows a built-heating block 30 in a rear wall 11 of a
• Water heater 10 Connections 113 and 111 are through a wall 12 through the Rear wall led to the outside. Between the connector 113 and the outlet 33, an adapter 112 is set. Between the connector 111 and the inlet 31, an adapter 110 is set. Hereby, the water connections of the water heater are advantageously laid to the outside.
• the radiator 20 or the radiator tube is not symmetrical in the channel section kl, but asymmetrical. This is advantageous if the radiator has a smaller distance to a structured wall than to a smooth and / or straight wall 83.
• the radiator has a distance to the structured wall 38 of less than 10 mm on average and a distance of more than 5 mm from the smooth or straight wall 83.
• a water temperature in the heating block is determined by means of the sensor 70, the water temperature in a control is compared with a target temperature and according to the deviation of the water temperature from the target temperature, the power for the radiator 20 of the water heater 10 is determined and adjusted to the water to bring to the predetermined target temperature.

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• 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)
• Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
• Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
• Heat-Pump Type And Storage Water Heaters (AREA)

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Citations (2)

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• 2011
  • 2011-02-03 DE DE202011002357U patent/DE202011002357U1/de not_active Expired - Lifetime
• 2012
  • 2012-01-30 CN CN201290000268.XU patent/CN203848480U/zh not_active Expired - Lifetime
  • 2012-01-30 WO PCT/EP2012/000393 patent/WO2012104052A2/de active Application Filing

Patent Citations (2)

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