EP0697084B1 - Elektrospeicherheizgerät - Google Patents

Elektrospeicherheizgerät Download PDF

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Publication number
EP0697084B1
EP0697084B1 EP95912206A EP95912206A EP0697084B1 EP 0697084 B1 EP0697084 B1 EP 0697084B1 EP 95912206 A EP95912206 A EP 95912206A EP 95912206 A EP95912206 A EP 95912206A EP 0697084 B1 EP0697084 B1 EP 0697084B1
Authority
EP
European Patent Office
Prior art keywords
electric storage
storage heater
controller
plug
charging controller
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.)
Revoked
Application number
EP95912206A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0697084A1 (de
Inventor
Hans Latarius
Leo Kaim
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.)
KKW KULMBACHER KLIMAGERATE-WERK GMBH
Tekmar GmbH
Original Assignee
KKW KULMBACHER KLIMAGERATE-WERK GmbH
Tekmar Angewandte Elektronik GmbH and Co KG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6512335&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0697084(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by KKW KULMBACHER KLIMAGERATE-WERK GmbH, Tekmar Angewandte Elektronik GmbH and Co KG filed Critical KKW KULMBACHER KLIMAGERATE-WERK GmbH
Publication of EP0697084A1 publication Critical patent/EP0697084A1/de
Application granted granted Critical
Publication of EP0697084B1 publication Critical patent/EP0697084B1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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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
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
    • F24H9/2071—Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
    • F24H9/2078—Storage heaters

Definitions

  • the invention relates to an electric storage heater with a storage core, a charge controller controlling its charging, a power supply unit supplying the charging controller with voltage, and a fan for removing heat from the storage core.
  • a flap device which influences the heat dissipation can also be provided, which influences the air passage through the storage core.
  • fan also stands for a flap device of the type mentioned.
  • electric storage heaters have a charge controller, which receives the release signal for the charge release within low load times either directly or indirectly via a central control device which is jointly assigned to a storage device group. If necessary, the charge controller also receives a control signal via the central control unit, which sets the target value of the storage core heat content depending on weather and time values as well as preset parameters. The actual value of the storage core heat content is recorded by a high temperature sensor which is connected to the charge controller. The output signal of the charge controller switches the power for charging the memory core directly or via an assigned power relay.
  • the heating comfort is largely determined by the discharge of the memory by means of at least one fan.
  • a combined charge and discharge controller is already known, which can be accommodated with all essential components in the housing of the electric storage heater.
  • This known controller combination can ensure optimum heating comfort, since a constant exchange of information between the components of the charge and discharge controllers can take place in relation to the state of the storage core and the room air temperature behavior.
  • these known combination regulations have not been able to adequately establish themselves on the market. This was because that combined charge and discharge controllers entailed a relatively high additional price on the storage heater, which could not be achieved on the market.
  • the invention has for its object to provide the technical prerequisites for improving the cost / benefit ratio and thus the acceptance of combined charging and discharging control systems in electrical storage units.
  • the invention creates the prerequisite for the fact that the variety of device types which previously opposed the introduction of cost-effective combination controllers with charging and discharging functions can be drastically reduced.
  • the basic functions of a charge controller are standard and essential for practically all conventional electric storage heaters; the same applies to the necessary measurement and influencing variables.
  • the functions and performance options of the discharge controllers are largely determined by customer requirements and operating conditions.
  • the invention is based on the consideration that electric storage heaters can be produced inexpensively by all manufacturers with an individual design and basic equipment that fulfills the minimum functions. Basically, all manufacturers can offer their devices with essentially unchanged design and basic equipment. It is only important that all devices in the basic configuration have a simple interface (connector strip) with a uniform connector connection pattern, so that the controller modules that fulfill the discharge function, which may be customer- and production-specific, are connection-compatible with the components of the basic configuration and can be simply plugged on. Merely the power supply of the basic equipment has to be designed a bit more powerful, so that the power supply of the discharge regulator module to be plugged on can also be taken over by the same power supply.
  • the customer can therefore buy an electric storage heater in the basic configuration from any storage device manufacturer, if necessary according to the device design, and select the heating comfort by suitable selection and, if necessary, retrofitting a discharge controller.
  • the matching connection pattern between an electric storage heater from any manufacturer and the plug-in discharge controller increases the device series and increases the selection options accordingly, makes the installation or retrofitting of the advantageous combination control affordable for the consumer and drastically reduces the assembly effort, even when replacing controller components. No special assembly tools or knowledge is required.
  • a further improvement of the functionality and reduction of the assembly effort can be achieved in a further development of the invention in that the charge controller is designed as a detachable module, in particular a detachable plug-in module, can be mechanically coupled to the housing of the electric storage heater and electrically via plug connections with the common power supply and at least one residual heat sensor is connectable.
  • the charge controller is designed as a detachable module, in particular a detachable plug-in module, can be mechanically coupled to the housing of the electric storage heater and electrically via plug connections with the common power supply and at least one residual heat sensor is connectable.
  • the discharge controller contains a microcontroller with a microprocessor memory.
  • a discharge controller is capable of learning. It acts as a room temperature optimizer.
  • the microprocessor receives information about the temperature of the memory core and thus the temperature response and the timing of the charge release. Furthermore, the room temperature and the setpoint of the room temperature are communicated to him via a suitable sensor. These actual and target values are continuously stored in the memory and, if necessary, passed on to the charge controller as a disturbance variable via plug devices. With this disturbance variable, the input signal at the charge controller can then be compensated for on a room-by-room basis, so that an individual-room temperature optimization is achieved.
  • the continuous recording of the room temperature, the temperature response, the recording of the core temperature, the gradient of the discharge curve, maximum and minimum values and the temperature difference, sudden changes in the room temperature (as a result of room ventilation) etc. enable the associated software of the microcontroller to continuously optimize the temperature and heating costs.
  • the design of the discharge and charge controllers as plug-in modules also enables a particularly ergonomic arrangement of the associated setpoint adjuster.
  • the charge controller is preferably arranged on the housing of the electrical storage heater in such a way that a setpoint adjuster attached to the charge controller is accessible from the outside.
  • an outer wall of the electric storage heater can be provided with a recess through which a part of the plug-in module with the setpoint adjuster protrudes outwards from the housing, so that its actuator can be easily reached and adjusted by the user.
  • an infrared, radio or frequency-modulated remote control device can also be provided, both for setting the room temperature setpoint and the memory core temperature setpoint.
  • Detachable plug connections are preferably provided between the housing of the electric storage heater and the controller modules in the same or in parallel directions.
  • a common connector strip can be arranged, for example, vertically in the housing of the electrical storage heater, and the various plug-in modules are inserted one above the other in a positive and / or non-positive manner in this common connector strip.
  • Push-button systems for example, can serve as mechanical connecting elements.
  • an additional switching function for example the plug-in module that switches the output of additional heating elements, can be coupled mechanically and electrically to part of the electric storage heater and / or to the discharge controller module via at least one further releasable coupling device.
  • the two controllers 1 and 2 are designed as individual detachable plug-in modules which are accessible from the outside on the electric storage heater (ESH) and with at least a device-fixed connector 3 or 3A, 3B can be coupled.
  • ESH electric storage heater
  • the charge controller 1 is supplied with voltage on the input side via the contacts C and D of the plug connector 3A.
  • the release signal for the storage core charging within the low-load period is supplied directly or indirectly from a central control device (ZSG) assigned to the overall project (apartment or house) via the contacts G and H of the connector strip 3A.
  • ZSG central control device
  • a guide voltage is derived from the discharge regulator 2 via a cable bridge 30 between the plug-in bars 3A and 3B.
  • the actual value of the storage core heat content (instantaneous value of the state of charge of the storage core) is recorded by at least one residual heat sensor 4 arranged directly in or on the storage core and made available to the charge controller 1 via the contact K.
  • the heat content setpoint of the memory core can be set via an externally accessible setpoint adjuster 5 and is made available as an electrical signal on the one hand at the contact L of the connector 3A to the charge controller 1 and on the other hand via a prewired bridge 31 at the contact h of the connector 3B.
  • the electronic charge controller 1 is designed as an inexpensive analog unit that can take over all analog measurement and control signals directly.
  • the power supply unit 11 is integrated in the charge controller 1 and is designed to be sufficiently powerful to be able to supply the discharge controller 2 and other control components with operating current in addition to the charge controller 1.
  • the actual and target values of the storage core heat content are amplified in a control amplifier 12; the amplifier output signal on line 13 forms the first input signal for a comparator 14.
  • the command or control signal (contacts G and H) is amplified by an amplifier 15 and fed to the comparator 14 via a line 16 as a second input signal.
  • the output signal of the comparator 14 switches the electrical power for charging the memory core directly or via an assigned power relay.
  • the charge controller 1 of the previously described exemplary embodiment of the invention differs from conventional, permanently installed charge controllers only in its design as an externally accessible and pluggable module and in the reinforced design of the power supply unit 11.
  • the discharge controller 2 can be coupled to the ESH via the device-side connector 3B serving as an interface and makes the control arrangement a convenient combination control.
  • This plug-in solution has the advantage of significant material, logistics (storage) and installation cost savings compared to known combination regulations.
  • the setpoint adjusters 5 and 6 can also be designed as remote control units, for example as radio-controlled units.
  • the guide signals at the input of the amplifier 15 and thus the charge release via the bridge 30 are controlled by the discharge controller, and via a bridge 34 the microcontroller generates a combination signal which is fed to the control amplifier 12 of the charge controller 1 as a disturbance variable and serves to compensate for the influence of the fan run as described below.
  • the main function of the discharge regulator 2 and accordingly also of the microcontroller 21 is the control of a fan 8 via a motor controller 24.
  • the fan 8 built into the ESH is hard-wired to the plug contact a.
  • the discharge controller 2 is supplied with a signal representative of the charge release (of the power supply company) via the plug contact c.
  • the control line of an additional heater 9 is connected to the plug contact b of the plug connector 3B assigned to the discharge controller 2.
  • the microcontroller 21 can switch over to the additional heating in a manner known per se, above all if a peak demand that may arise cannot be covered or cannot be covered completely by the heat content of the storage core.
  • the signal "fan on” can be given to the charge controller 1, which then switches over to another charging characteristic during the discharge process in order to compensate for the influence of the fan running.
  • Incoming and outgoing compensation lines can be connected via contacts e and d of the 3B connector. These lines enable the microcontroller 21 to communicate with other discharge controllers to adjust the discharge performance, for example, of several ESHs arranged in a room and to optimize the room temperature.
  • the ESH is fully functional when equipped with the charge controller 1.
  • the charge controller 1 is therefore also part of the basic configuration of an ESH in the individually pluggable arrangement according to the invention.
  • the combination control can be easily achieved by additionally plugging the discharge regulator 2 onto the already prepared plug-in strip 3B.
  • the discharge controller is then automatically supplied by the already existing, correspondingly powerful power supply 11.
  • FIGS. 2, 3 and 4A, B show the mechanical components, in particular the housings of the charge controllers 1 and 2, from the rear and from the front, respectively, in association with a continuous and device-specific connector strip 3.
  • the electrical components are shown in the representations according to Figures 2 and 4B omitted.
  • the housing 40 have the same, approximately box-shaped design in both controller modules 1 and 2. As can be seen in FIGS. 4A and 4B, the controller housings 40 are open towards the plug side. The interior of each housing is delimited by rectangular side walls 41, 42. In the exemplary embodiment shown in FIGS. 2 to 4, openings 47 are provided between the side walls 41 and 42 for receiving a possibly continuous device-specific connector strip 3.
  • each housing 40 is assigned a plug 46 (FIG. 4B), which is prewired to the respective controller contacts (FIG. 1) and, in connection with the device's own plug-in strip 3, the interface of the respective controller to the ESH or to the respective other controller forms.
  • additional mechanical locking means (not shown) are provided, which mechanically lock the controller modules 1 and 2 in their operating position and in this respect ensure that the correct contact pattern is maintained and reliable electrical transitions between all effective contact elements are provided.
  • FIG. 5 shows a part of the housing 10 of an electric storage heater, on the front side of which the hood-shaped parts 43 of the charge controller 1 and the discharge controller 2 protrude forward.
  • the two setting wheels 45 used for setting the setpoint are freely accessible from the front of the housing.
  • the discharge regulator 2 is missing in the basic equipment of the ESH in the device, the then partially open recess 50 in the device housing 10 is closed by a suitable lockable and detachable cover plate 51 (FIG. 6).
  • the temperature-sensitive controller components can be moved out of the ESH housing 10 to the outside, that is to say they can be arranged in the projecting part 43 of the controller housing.
  • Plug-in module 61 can be, for example, the charge controller, plug-in module 62 the discharge controller and plug-in module 63 can be a suitable switching relay for an additional heating element.
  • the charge controller 1 can be assigned a plurality of plug-in strips, one of which is detachably connected to the plug-in plug-in strip 3 and the other is used for the “piggyback” coupling of the discharge controller 2.
  • Both switching relays and setpoint adjusters can be detachably connected to the associated controllers using plugs.
  • the device-fixed connector strips 3 are usually already pre-wired by the manufacturer and with the required bridges 30 ... 34 equipped. However, pluggable bridges can also be provided subsequently, in order to give the installer the opportunity to make certain device adjustments or controller adjustments later.

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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)
  • Central Heating Systems (AREA)
  • Control Of Resistance Heating (AREA)
  • Tyre Moulding (AREA)
  • Resistance Heating (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
EP95912206A 1994-03-10 1995-03-04 Elektrospeicherheizgerät Revoked EP0697084B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4407965 1994-03-10
DE4407965A DE4407965C2 (de) 1994-03-10 1994-03-10 Elektrospeicherheizgerät
PCT/EP1995/000807 WO1995024594A1 (de) 1994-03-10 1995-03-04 Elektrospeicherheizgerät

Publications (2)

Publication Number Publication Date
EP0697084A1 EP0697084A1 (de) 1996-02-21
EP0697084B1 true EP0697084B1 (de) 1997-10-15

Family

ID=6512335

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95912206A Revoked EP0697084B1 (de) 1994-03-10 1995-03-04 Elektrospeicherheizgerät

Country Status (6)

Country Link
EP (1) EP0697084B1 (cs)
AT (1) ATE159339T1 (cs)
CZ (2) CZ285942B6 (cs)
DE (2) DE4407965C2 (cs)
PL (1) PL175599B1 (cs)
WO (1) WO1995024594A1 (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19530775C2 (de) * 1995-08-22 2003-10-30 Stiebel Eltron Gmbh & Co Kg Elektrisches Speicherheizgerät
US5735858A (en) * 1996-01-26 1998-04-07 Allergan IOL insertion apparatus and method for using same
DE19733085C2 (de) * 1997-07-30 2001-09-13 Tekmar Elektronik Gmbh & Co Elektroheizgerät
CA3046713C (en) 2015-12-14 2023-10-17 Think Tank Water Heaters Ltd. Electric hot water heater energy management

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3631525A1 (de) * 1986-09-17 1988-04-07 Tekmar Elektronik Gmbh & Co Waermespeicherheizgeraet und verfahren zur regelung der raumtemperatur

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8321094U1 (de) * 1983-07-22 1983-11-10 KKW Kulmbacher Klimageräte-Werk GmbH, 8650 Kulmbach Elektro-waermespeicherheizgeraet
DE3337053C1 (de) * 1983-10-12 1985-04-04 Fr. Sauter AG, Fabrik elektr. Apparate, Basel Anordnung zur Regelung der Entladung eines Waermespeichers
BE904928A (fr) * 1986-06-16 1986-10-16 Mantovan Et Cie S C Ets Methode d'interconnection des differents elements d'un chauffage electrique avec accumulateurs dynamiques.
DE3823388A1 (de) * 1988-07-09 1990-01-11 Inter Control Koehler Hermann Elektrospeicherheizgeraet
DE3824227A1 (de) * 1988-07-16 1990-01-18 Guenter Petz Elektrisches heizgeraet
DE3838130A1 (de) * 1988-11-10 1990-05-17 Stiebel Eltron Gmbh & Co Kg Elektrisches raumheizgeraet
DE4205758C2 (de) * 1992-02-25 1998-07-02 Tekmar Elektronik Gmbh & Co Anordnung zum Steuern mehrerer elektrischer Speicherheizgeräte
DE9205140U1 (de) * 1992-04-14 1992-08-27 KKW Kulmbacher Klimageräte-Werk GmbH, 8650 Kulmbach Elektrisches Speicherheizgerät

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3631525A1 (de) * 1986-09-17 1988-04-07 Tekmar Elektronik Gmbh & Co Waermespeicherheizgeraet und verfahren zur regelung der raumtemperatur

Also Published As

Publication number Publication date
DE4407965C2 (de) 1996-06-13
CZ285942B6 (cs) 1999-12-15
ATE159339T1 (de) 1997-11-15
CZ292836B6 (cs) 2003-12-17
WO1995024594A1 (de) 1995-09-14
CZ275795A3 (en) 1996-02-14
EP0697084A1 (de) 1996-02-21
DE4407965A1 (de) 1995-09-14
PL175599B1 (pl) 1999-01-29
CZ57795A3 (en) 1995-11-15
PL311959A1 (en) 1996-03-18
DE59500799D1 (de) 1997-11-20

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