EP2098798B1 - Durchlauferhitzer mit einem Heizblock und einer Steuereinrichtung - Google Patents

Durchlauferhitzer mit einem Heizblock und einer Steuereinrichtung Download PDF

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Publication number
EP2098798B1
EP2098798B1 EP09003130.3A EP09003130A EP2098798B1 EP 2098798 B1 EP2098798 B1 EP 2098798B1 EP 09003130 A EP09003130 A EP 09003130A EP 2098798 B1 EP2098798 B1 EP 2098798B1
Authority
EP
European Patent Office
Prior art keywords
heating
heating block
control device
block
water heater
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.)
Active
Application number
EP09003130.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2098798A2 (de
EP2098798A3 (de
Inventor
Franz Bauer
Christian Englisch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
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 BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL09003130T priority Critical patent/PL2098798T3/pl
Publication of EP2098798A2 publication Critical patent/EP2098798A2/de
Publication of EP2098798A3 publication Critical patent/EP2098798A3/de
Application granted granted Critical
Publication of EP2098798B1 publication Critical patent/EP2098798B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F24H1/103—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 with bare resistances in direct contact with the fluid
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C23/00—Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
    • G04C23/02—Constructional details
    • G04C23/06—Driving or regulating means

Definitions

  • the present invention relates to a heating block, in particular for a water heater.
  • the heating block comprises a heating device, which is arranged within the heating block, and the heating device can be connected to a control device.
  • the present invention relates to a control device for a heating block, in particular a water heater, wherein the heating block has a heating device within the heating block.
  • a flow heater is claimed which has a control device and a heating block.
  • Water heaters are for example from the US2002 / 136544A1 , of the US2004 / 070911A1 and the DE19651087A1 known. These can be permanently installed hot water appliances that produce hot water when needed.
  • the water heater to a heating block, which is formed helically.
  • the material from which preferably the heating block is formed may be pressure-resistant plastic.
  • a heating device is arranged, which is usually a Blankterrorismdraht.
  • the heating coils of the heater are adapted to the heating channels of the heating block, so that they can be flowed through by the water to be heated.
  • the heating device can be realized as a blank heating wire system, wherein the heating coils of the heating device at the ends thereof must be led out of the heating block in order to contact them electrically.
  • connection of the heating coils can be realized, for example, by means of metallic connecting bolts, which allow the electrical contacting through the plastic wall of the heating block.
  • the connecting bolts are in turn contacted by means of copper pipes, which are guided to a control device of the water heater.
  • the control device controls the heating device, so that the heated coil windings can heat or heat the water.
  • Another way to contact the terminal bolt is the use of copper stamping sheets, but they are relatively expensive to produce and are difficult to handle during installation.
  • the invention has for its object to provide an improved heating block for a water heater, which is safe in operation and easy to install. Another object of the present invention to provide a control device for a heating block of a water heater, which is easy to install and also allows safe operation. Finally, the object of the present invention is to provide an improved instantaneous water heater.
  • the heating block according to the invention in particular for a continuous flow heater, has a heating device.
  • the heating device is arranged within the heating block and can be connected to a control device.
  • the heating block comprises a connecting device through a wall of the heating block, which connects the heating device electrically directly to the control device.
  • the heater of the heating block can be electrically contacted directly or directly, which thus no longer allows assembly errors.
  • the control device is mechanically fixed to the heating block and also requires no additional Fasteners.
  • the connecting device additionally secures the mechanical fixing of the control device to the heating block. Consequently, the handling of the heating block facilitates during assembly.
  • the solution according to the invention makes it possible to dispense with further connecting lines and / or fastening means, since these are already integrated in the connecting device.
  • the control device may for example comprise a printed circuit board (PCB), which is designed to cooperate with the connecting device of the heating block. Due to the construction of the connection device according to the invention, a standardization of an interface between heating block and control device can be achieved, which allows an additional cost advantage.
  • PCB printed circuit board
  • the heating block has a control device and a heating device within the heating block.
  • the control device may have an integrated connection interface which is set up to directly electrically contact the heating device of the heating block.
  • connection interface of the control device As a result of the integrated connection interface of the control device according to the invention, a mechanical as well as an electrical connection can be secured at the same time. Already during assembly of the control device on the heating block electrical contact is made without additional wiring is necessary.
  • the control device may, for example, have a circuit board which has the connection interface. When mounting the heater on the heating block, the electrical and / or mechanical connection is made using the connection interface. In order to ensure electrical contacting of the heating coils of the heating device within the heating block, electrical contacts must be led out of the interior of the heating block through a wall. This ensures that the heating coils, in particular a blank heating wire, are supplied with electrical energy.
  • a flow heater is provided.
  • the water heater has a control device and a heating block.
  • the control device is directly on the heating block by means of a connecting device attached.
  • the connecting device ensures the mechanical and / or electrical connection between the heating device, which is arranged in the interior of the heating block, and the control device which is arranged according to the invention on the heating block.
  • the control device is mounted directly on the heating block and simultaneously contacted electrically. Thus, it is possible to dispense with additional wiring or electrical connection between heating block or heating device and control device.
  • the connecting device is formed by means of connecting bolts.
  • the terminal bolts are passed through the wall of the heater block to electrically contact the controller.
  • the connecting pins contact the end pieces of the heating device or of the heating windings within the heating block and can thus be contacted on the other hand simply outside the heating block.
  • control signals of the control device can be transmitted to the heating device by means of the connecting device.
  • the control signals, which in turn control the heating effect of the heating block are passed directly from the control device to the heater by means of the connecting device.
  • control device is mechanically fastened by means of connecting bolts to the heating block, wherein the connecting pins provide electrical contacts of the control device. This ensures that the electrical connections are already connected during mechanical assembly.
  • the connecting device provides a mechanical fixation or mounting of the control device on the heating block.
  • the control device is already mechanically fixed in the electrical installation, so that an additional cost savings can be guaranteed.
  • the heating device is a blank heating wire system.
  • Blank constructivehtsysteme have high efficiency and also the main advantage of a much shorter reaction and thus heating time.
  • the blank heating wires can be inexpensively contacted by the wall of the heating block with the aid of the connecting device, in particular the connecting bolt.
  • the connecting pins are designed for electrical contacting of the heating device.
  • the terminal bolts can fulfill two tasks, namely both the electrical contacting of the heater and the mechanical attachment of the control device to the heating block. Consequently, no assembly errors can occur.
  • the control device has predetermined connection points, which coincide with the connection bolts in the assembled state. Thus, in turn can be dispensed with additional and costly connection lines between the heater and control device.
  • the connecting bolts are now used to forward the current from the control device to the heating coils of the heating device.
  • the heating block has water channels in which the heating device is arranged helically in order to heat heating water flowing through. It can thus be achieved that as much water as possible surrounds the heating device and thus the efficiency of the heating block can be increased.
  • the terminal interface is formed in a board of the controller to directly contact the terminal bolts of the heater.
  • the control device can be mounted error-free. This means that the electrical contacting has already been provided by the attachment of the control device to the connecting bolts. Consequently, there is no need for further electrical wiring between the heating device and the control device.
  • control device comprises power electronics components.
  • the electronic components may then be in direct contact with the heater via the terminal bolts or the connection means, thus controlling the heating of the water in the heating block.
  • the board of the control device bores, which are arranged such that the bores receive the connecting bolts of the heater in the installed state.
  • This preferred embodiment ensures that the assembly can always be done without errors. For example, if the controller was to be mounted rotated 180 degrees, the terminal studs and the bosses would not match one another. As a result, the correct electrical contact of the control device is already secured on the board by the mechanical assembly.
  • a water heater is provided with a control device and a heating block.
  • the control device which comprises a circuit board, is directly pre-mounted on the connecting device of the heating block and fastened by means of a screw connection to the connecting bolts of the heating device.
  • the inventive design of the board of the control device the mechanical assembly can already lead to electrical contact between the control device and the heater.
  • Fig. 1 shows a heating block for a water heater according to an embodiment of the present invention in plan view.
  • the heating block 10 may be made of a plastic material, but which is dimensionally stable and heat resistant.
  • the heating block 10 may preferably be installed in a water heater (not shown) together with the controller 20.
  • the control device 20 is fastened by means of a connecting device 30 to the heating block 10, so that at the same time a mechanical and an electrical connection can be provided.
  • the heating block 1 0 may have a housing shell, for example made of plastic PPE in the meandering water channels 60 are formed.
  • the water channels 60 form a water flow channel in which the water to be heated can circulate.
  • heating coils 50 are arranged, which can be lapped by the water to be heated.
  • the heating coils 50 may be, for example, blanket heating wires, as these may provide rapid heating of the circulating water.
  • the respective adjacent water channels 60 are separated from each other, so that the water can circulate meandering.
  • the connecting device 30 is implemented according to this embodiment by means of connecting bolts 31.
  • the connecting pins 31 pass through the plastic wall 11 of the heating block 10 and mechanically and electrically contact the heating device or the heating windings 50, which are also arranged meander-shaped in the water channels 60 within the heating block 10.
  • the heating coils 50 run, for example, only in the water channels 60, which after Fig. 1 are provided with connecting pins 31.
  • a cold area 70 of the heating block 10 results, in which the cold water to be heated can also run meandering.
  • This area 70 is preferably located at the cold water connection (not shown) of the heating block 10 or the water heater.
  • a control device 20 is mechanically and / or electrically attached to the heating block 10.
  • the control device comprises a circuit board 21, on which different electronic components 40 are arranged.
  • the components 40 on the board 21 are electrically interconnected by means of a suitable board layout on the board to provide the desired electronic functionality of the water heater.
  • the circuit board 21 has a plurality of electrical conductor tracks (not shown), which correspond to the board layout described above.
  • the power electronics 40 which is in contact with the connecting device 30 with the aid of the conductor tracks.
  • the connecting device 30 consists of metallic connecting pins 31, which within the heating block 10 contact the heating or heating coils 50 and outside the tracks of the circuit board 21 of the control device 20.
  • the circuit board 21 or the control device 20 can be attached to the heating block 10 only in one way, so that no assembly errors can occur.
  • the installer attaches the board 21 to the connecting pins 31 and mechanically secures them, which in turn automatically leads to an electrical contacting of the printed conductors of the board 21.
  • the contacted by means of the connecting pins 31 interconnects can transmit the electrical signals of the power electronics 40, so that the heating coils 50 can be supplied with electrical energy accordingly.
  • the tracks of the board 21 must be sized accordingly to avoid electrical malfunction of the controller 30.
  • the power electronics 40 of the control device 20 is arranged above the cold region 70 of the heating block 10 in order, for example, to enable improved cooling of the active electronic power components 40. Furthermore, by the Dispensing with further electrical connection cable between control device 20 and heating block 10 or heater 50 a particularly space-saving water heater can be made and incorrect assembly such as when connecting electrical connection cable can be excluded.
  • Fig. 2 shows a heating block and a controller 20 in the side view according to a possible embodiment of the present invention.
  • This side view corresponds to the top view in the Fig. 1 , which is explained in more detail above.
  • the control device 20 was screwed by means of the board 21 with the connecting bolt 31 by means of six screws 32 to ensure the mechanical / electrical connection.
  • support means 80 were formed in the plastic wall of the heating block 10, which can additionally mechanically support the control device 20. That is, even in the area where no terminal bolts are contacted, the board 21 can not bend against the wall 11 of the heating block 10.
  • the support means 80 which are mounted, for example, on the underside of the control device 20 and may be formed. Consequently, the controller 20 and the board 21 can not be bent or pressed against the plastic wall 11 of the heating block 10 during assembly or testing or the like, and thus damage to the board is avoided.
  • the circuit board 21 of the control device 20 has a connection interface 22 which, according to one embodiment, is designed in the form of bores in the circuit board 21.
  • the holes are arranged so that the tracks of the board, the terminal pins 31 can electrically contact.
  • the bores of the connection interface 22 are arranged so that there is only one possibility of mounting on the connecting pins 31 of the heating block 10. Thus, an electrical mis-installation can be avoided, and even at the time of mechanical fixing, the board 21 can be correctly electrically connected to the heater 50.
  • the holes in the circuit board 21 are arranged substantially in line, but other arrangements are conceivable for the skilled person.
  • the present invention relates to a water heater, which has a heating block 10 and a control device 21.
  • the control device 20 can with the help of Connecting device 30 and the connecting pin 31 are mounted on the heating block 10 pre-mounted.
  • Connecting device 30 and the connecting pin 31 are mounted on the heating block 10 pre-mounted.
  • the electrical functionality of the water heater or the heater 50 can be secured without further connecting cable without installation errors in an electrical cable connection can occur at all.
  • the present invention is not limited to applications in the field of water heaters. Rather, the heating block according to the invention and the control device according to the invention can be used in other water heaters, such as: hot water tanks, boilers or other hot water systems, which are known in the art.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General 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)
  • Heat-Pump Type And Storage Water Heaters (AREA)
EP09003130.3A 2008-03-04 2009-03-04 Durchlauferhitzer mit einem Heizblock und einer Steuereinrichtung Active EP2098798B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09003130T PL2098798T3 (pl) 2008-03-04 2009-03-04 Ogrzewacz przepływowy z blokiem grzejnym i urządzeniem sterującym

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008012568 2008-03-04

Publications (3)

Publication Number Publication Date
EP2098798A2 EP2098798A2 (de) 2009-09-09
EP2098798A3 EP2098798A3 (de) 2015-03-25
EP2098798B1 true EP2098798B1 (de) 2017-06-28

Family

ID=40755164

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09003130.3A Active EP2098798B1 (de) 2008-03-04 2009-03-04 Durchlauferhitzer mit einem Heizblock und einer Steuereinrichtung

Country Status (3)

Country Link
EP (1) EP2098798B1 (es)
ES (1) ES2634442T3 (es)
PL (1) PL2098798T3 (es)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9218128U1 (de) * 1992-03-03 1994-09-08 Elconect Elektronische Verbind Einpreß-Kontakt
DE19651087C2 (de) * 1996-12-09 2002-06-20 Bsh Bosch Siemens Hausgeraete Heizblock mit Gehäuseschalen
US6591063B2 (en) * 2001-03-20 2003-07-08 Alpha-Western Corporation Bath temperature maintenance heater
US7030343B2 (en) * 2002-10-03 2006-04-18 Balboa Instruments, Inc. Controller system for bathing installation
US7514652B2 (en) * 2005-11-16 2009-04-07 Elnar Joseph G Spa with circuit for detecting excessive ground current

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2098798A2 (de) 2009-09-09
ES2634442T3 (es) 2017-09-27
PL2098798T3 (pl) 2017-12-29
EP2098798A3 (de) 2015-03-25

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