GB2349323A - Insulated moulded heating resistance forming a space heater - Google Patents
Insulated moulded heating resistance forming a space heater Download PDFInfo
- Publication number
- GB2349323A GB2349323A GB9909376A GB9909376A GB2349323A GB 2349323 A GB2349323 A GB 2349323A GB 9909376 A GB9909376 A GB 9909376A GB 9909376 A GB9909376 A GB 9909376A GB 2349323 A GB2349323 A GB 2349323A
- Authority
- GB
- United Kingdom
- Prior art keywords
- heating apparatus
- space heating
- electrically conductive
- main body
- heat
- 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.)
- Withdrawn
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 11
- 239000004033 plastic Substances 0.000 claims abstract description 7
- 229920003023 plastic Polymers 0.000 claims abstract description 7
- 238000007598 dipping method Methods 0.000 claims abstract description 3
- 238000005507 spraying Methods 0.000 claims abstract description 3
- 239000002131 composite material Substances 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 4
- 239000011449 brick Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000012777 electrically insulating material Substances 0.000 claims 2
- 239000002305 electric material Substances 0.000 claims 1
- 238000010292 electrical insulation Methods 0.000 claims 1
- 239000012858 resilient material Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract 2
- 238000005338 heat storage Methods 0.000 abstract 1
- 239000003989 dielectric material Substances 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/0208—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using electrical energy supply
- F24H7/0216—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using electrical energy supply the transfer fluid being air
-
- 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
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/145—Carbon only, e.g. carbon black, graphite
-
- 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
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/18—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being embedded in an insulating material
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)
- Control Of Resistance Heating (AREA)
- Surface Heating Bodies (AREA)
- Resistance Heating (AREA)
Abstract
At least one insulating coated moulded main body part 4 containing carbon particles acts as a heating element and is formed as a space heater, electrical connection means to enable the main body to be connected to an electrical power source. The coating 9 may be rubber or plastics and may be applied by spraying, shrink wrapping or dipping. Air passages/fins 3,6 may be provided to promote heat exchange along with an air control flap 8 to control flow rate. The body may include inner resistance moulding 2, the inner moulding having a higher heat output. Legs 13 and thermal controls are added after coating. The coating may be resilient and the moulded material concrete or brick-forming material which when set may acts as a heat storage mass.
Description
IMPROVED SPACE HEATING APPARATUS
The present invention relates to an improved heating apparatus and in particular one wherein a solid mass or body is heated by electricity and then radiates and convects thermal energy into the surrounding space.
Night storage or"off peak"electric heaters are known comprising an electric heating element separate from but juxtaposed by being sandwiched between heat thermal storage bricks or blocks which are housed in a protective and decorative separate outer housing with vents.
Recently there has been developed a cementatious product or composite containing carbon which is electrically conductive and which heats up when current is applied so as to act as a heating member.
According to the present invention an improved space heating apparatus comprises as the main heating means or element, at least one moulded or formed main body part containing carbon particles such as to make the body electrically conductive but of a sufficient resistance to generate heat, electrical connection means to enable said main body to be connected to an electrical power source, and a rubber or plastics or other material coating for at iast the main body for providing electrìcai insulation of the body whilst at the same time permitting heat to be conducted therethrough.
The main body may be of composite material such as concrete or brick-forming material or other like moulable and settable material containing carbon particles or other electrically conductive material such that the body is electrically conductive when set or cured but of a resistance so as to generate sufficient heat for heating purposes and such materials are known and have recently been developed.
The present invention utilises such electrically conductive heating materials and proposes for such to be moulded in a desirable and/or useful shape and for the material then to be set or allowed to set and then coated in an electrically, non-conductive material (dielectric material) such that the body is safe for use without a further housing, whilst permitting heat to be conducted and convected therefrom. Such plastics material should preferably be soft to the touch and leasing to the eye.
Preferably the main body part has one or more through passages for providing passages for the flow of air by cons ection. Alternatively or additionally, heat dissipating fins or projections will preferably extend from said body.
The coating may be provided by spraying, dipping or shrink-wrapping.
If there should be no danger from the electric current passing through the main body, then the coating need not be of dielectric/non-insulating material.
The mass of the moulded main body will preferably be such as to act as an off-peak or night storage thermal energy store to enable advantage to be obtained from cheaper electric tariffs and suitable timing means incorporated in the heating apparatus control.
The coating material will normally be suitably finished and surfaced to provide an attractive finish.
Thus, also according to the present invention a space heating apparatus comprises an outer body part moulded or formed from a material containing carbon particle such as to make the body electrically conductive but of sufficient resistance to generate heat when current is passed therethrough with said body coated in a dielectric material and with said body formed so as to have an inner cavity for receiving a inner body part also moulded or formed of a material containing carbon particles such as to make the body etectricatty conductive and of sufficient resistance to generate heat when current is passed therethrough with said outer and inner bodies preferably being spaced apart so as to provide passages for the flow of air, from a lower region of the combination to an upper region and electrical connection means connected to the inner and outer bodies. Preferably the inner body will have a passage or passages therein for the flow of air.
The invention will be described further, by way of example, with reference to the accompanying drawings, in which:
Fig. 1 is a schematic perspective view illustrating a heating apparatus or heater according to the invention;
Fig. 2 is a traverse section through the heater of Fig. 1; and
Fig. 3 is a schematic plan of the heater of Figs. 1 and 2.
An electric heating apparatus or storage heater 1 is illustrated in Figs.
1-3 and comprises a main inner body 2 formed of a moulded material containing carbon particles which make the body electrically conductive such as to generate heat and having at least one inner convection passage 3 formed therein extending from a lower region to an upper region so as to enable cool air to enter at the bottom and rise to the top as it is heated, and a moulded main outer body part 4 of similar material cnntaining carbon p2dssCleS which make the body electrically conductive and of a sufficient resistance to generate heat when electrical current is passed therethrough but generating heat of a lesser temperature than the inner body 2 with said outer body 4 being shaped so as to have an interior space which contains the body 2 therein and defines spaces 5 and 6 extending from a lower region upwardly to an upper region for the flow of air and has three outlet vents 7 at the top of the unit and in the region of which an outlet control means in the form of a damper plate 8 with suitable control means (not shown) is provided.
At least the outer body member 4 which is of lower resistance or such as to generate a lower temperature than the inner body 2, is coated in electrically insulating plastics material 9 such as by being dipped thereinto and such as to provide a leasing outer surface and/or colour. The inner side of the front panel or portion 10 at least of the outer body 4 has a ceramic fibre or the like insulating material 11 as a lining thereof and such may be provided on all interior surfaces of the outer body 4 in the region of juxtaposition where it faces the inner higher temperature body 5.
An aperture is provided in the base of outer body 4 of such of size as to enable the inner body member or inner heater 2 to be inserted into the or outer heater 4 prior to securement to the legs 3 which hold the components together.
The number of air slots or holes through the heater will be selected bearing in mind the insulation, to control the temperature/storage property of the heaters. Thus cool air will enter at the bottom of the heating apparatus via aperture 12 and flow along passages 3,5 and 6 and be heated by the heating units as it flows thereover and will exit via upper apertures 7.
In Fig. 1 an electrical connection 14 is schematically illustrated and a switch 15 possibly with a thermostatic control wit)beprovidedandbe connected to a metal electrical conductor which connects with the inner and outer bodies to supply the requisite amount of electricity to produce the desired heating effect. The switch/thermostat 15 will normally be added after the coating of plastics material.
The centre body 4 at least will be of composite electrically resistant material produced or otherwise controlled to limit the temperature to a maximum of 60 or equivalent to the temperature of a centrally heating radiator.
The outer body unit 4 will be formed to provide a desirable visual effect and coated in plastics material which will act as a thermal insulator and electrical insulator and should be leasing to the eye and soft to the touch.
Claims (15)
- CLAIMS 1. A space heating apparatus comprising, as the main heating means or element, at least one moulded or formed main body part containing carbon particles such as to make the body electrically conductive but of sufficient resistance to generate heat, electrical connection means to enable the main body to be connected to an electrical power source, and a rubber or plastics or other electrically insulating material coating for at least the main body for providing electrical insulation of the body whilst at the same time permitting heat to be conducted therethrough.
- 2. A space heating apparatus as claimed in claim 1, in which the main body is of composite material containing carbon particles or other electrically conductive material such that the body is electrically conductive when set or cured but of a resistance so as to generate sufficient heat for heating purposes.
- 3. A space heating body as claimed in claim 2, in which the composite material is concrete or brick forming material or other like moulable or settable material.
- 4. A space heating apparatus as claimed in any of claims 1 to 3, in which the main body part has one or more through passages therein for the flow of air by convection.
- 5. A space heating apparatus as claimed in any of claims 1 to 4, in which the main body part has one or more heat dissipating fins or projections extending therefrom.
- 6. Apparatus as claimed in any of claims 1 to 5, in which the electrically insulating coating is provided by spraying, dipping or shrink-wrapping.
- 7. A space heating apparatus as claimed in any preceding claim, in which the electrically insulating material coating is formed from a resilient material that is soft to the touch.
- 8. A space heating apparatus comprising an outer body part moulded or formed from a material containing carbon particles such as to make the body electrically conductive but of sufficient resistance to generate heat when current is passed therethrough, said body being coated with a de-electric material, said body being formed so as to have an inner cavity for receiving an inner body part, also moulded or formed from a material containing carbon particles such as to make the body electrically conductive but of sufficient resistance to generate heat when current is passed therethrough.
- 9. A space heating apparatus as claimed in claim 8, in which said outer and inner bodies are spaced apart to provide passages for the flow of air from a lower region of the combination to an upper region thereof, electrical connection means being provided connected to the inner and outer bodies.
- 10. A space heating apparatus as claimed in claims 8 or 9, in which the inner body has one or more passages therein for the flow of air.
- 11. A space heating apparatus as claimed in any of claims 8 to 10, in which the inner body is adapted to generate more heat than the outer body.
- 12. A space heating apparatus as claimed in any preceding claims wherein thermostatic control means is provided for controlling the electricity supply to the or each body.
- 13. A space heating apparatus as claimed in any of claims 8 to 12, in which the outer part is of composite material containing carbon particles or other electrically conductive material such that the body is electrically conductive when set or cured but of a resistance so as to generate sufficient heat for heating purposes.
- 14. A space heating apparatus as claimed in any of claims 8 to 13, in which the composite material is concrete or brick forming material or other like moulable or settable material.
- 15. A space heating apparatus substantially as hereinbefore described with reference to the accompanying drawings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9909376A GB2349323A (en) | 1999-04-23 | 1999-04-23 | Insulated moulded heating resistance forming a space heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9909376A GB2349323A (en) | 1999-04-23 | 1999-04-23 | Insulated moulded heating resistance forming a space heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB9909376D0 GB9909376D0 (en) | 1999-06-23 |
| GB2349323A true GB2349323A (en) | 2000-10-25 |
Family
ID=10852134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9909376A Withdrawn GB2349323A (en) | 1999-04-23 | 1999-04-23 | Insulated moulded heating resistance forming a space heater |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2349323A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003014647A2 (en) * | 2001-08-06 | 2003-02-20 | Philip Ferdinando Villa | Low surface temperature heating device |
| WO2005025272A1 (en) * | 2003-09-11 | 2005-03-17 | Valeo Systemes Thermiques | Heating resistive element and heating assembly comprising same |
| ES2265704A1 (en) * | 2003-07-01 | 2007-02-16 | Luis Velez Diaz | Radiator comprises of plastic modules arranged with refractory cement for absorbing electrical resistance, and upper and lower grids arranged to ensure natural air convection within hollow space formed at center part of radiator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1444722A (en) * | 1972-08-25 | 1976-08-04 | Harris Barbara Joan | Electrical heating elements |
| EP0004188A1 (en) * | 1978-03-09 | 1979-09-19 | Sekisui Kagaku Kogyo Kabushiki Kaisha | Heating unit capable of generating heat upon passing an electric current therethrough, method for producing such a heating unit, and heating systems comprising such a heating unit |
| US4697063A (en) * | 1985-05-07 | 1987-09-29 | L G Innovations Ab | Electric heating element |
| US4939349A (en) * | 1989-06-23 | 1990-07-03 | Uppermost Electronic Industries Co., Ltd. | Ceramic thermistor heating element |
-
1999
- 1999-04-23 GB GB9909376A patent/GB2349323A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1444722A (en) * | 1972-08-25 | 1976-08-04 | Harris Barbara Joan | Electrical heating elements |
| EP0004188A1 (en) * | 1978-03-09 | 1979-09-19 | Sekisui Kagaku Kogyo Kabushiki Kaisha | Heating unit capable of generating heat upon passing an electric current therethrough, method for producing such a heating unit, and heating systems comprising such a heating unit |
| US4697063A (en) * | 1985-05-07 | 1987-09-29 | L G Innovations Ab | Electric heating element |
| US4939349A (en) * | 1989-06-23 | 1990-07-03 | Uppermost Electronic Industries Co., Ltd. | Ceramic thermistor heating element |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003014647A2 (en) * | 2001-08-06 | 2003-02-20 | Philip Ferdinando Villa | Low surface temperature heating device |
| WO2003014647A3 (en) * | 2001-08-06 | 2003-04-24 | Philip Ferdinando Villa | Low surface temperature heating device |
| ES2265704A1 (en) * | 2003-07-01 | 2007-02-16 | Luis Velez Diaz | Radiator comprises of plastic modules arranged with refractory cement for absorbing electrical resistance, and upper and lower grids arranged to ensure natural air convection within hollow space formed at center part of radiator |
| WO2005025272A1 (en) * | 2003-09-11 | 2005-03-17 | Valeo Systemes Thermiques | Heating resistive element and heating assembly comprising same |
| FR2859866A1 (en) * | 2003-09-11 | 2005-03-18 | Valeo Climatisation | HEAT RESISTIVE ELEMENT AND HEATING ASSEMBLY COMPRISING THIS ELEMENT |
Also Published As
| Publication number | Publication date |
|---|---|
| GB9909376D0 (en) | 1999-06-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |