CN2368243Y - Flexible graphite conductive heating component - Google Patents
Flexible graphite conductive heating component Download PDFInfo
- Publication number
- CN2368243Y CN2368243Y CN 99205778 CN99205778U CN2368243Y CN 2368243 Y CN2368243 Y CN 2368243Y CN 99205778 CN99205778 CN 99205778 CN 99205778 U CN99205778 U CN 99205778U CN 2368243 Y CN2368243 Y CN 2368243Y
- Authority
- CN
- China
- Prior art keywords
- graphite
- flexible graphite
- flexible
- graphite conductive
- papers
- 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.)
- Expired - Fee Related
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 101
- 239000010439 graphite Substances 0.000 title claims abstract description 101
- 238000010438 heat treatment Methods 0.000 title claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000005485 electric heating Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 enamel Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Surface Heating Bodies (AREA)
- Resistance Heating (AREA)
Abstract
The flexible graphite conductive heating element is mainly composed of three layers of a substrate, a flexible graphite conductive heating body and a safety guard plate, wherein the flexible graphite conductive heating body is arranged between the substrate and the safety guard plate and is composed of a plurality of strip-shaped graphite papers, the strip-shaped graphite papers are mutually arranged in parallel at intervals of 1 mm to 10 mm and are sequentially connected end to end through electrode plates and connecting pieces to be connected in series into a whole, and the graphite papers are sequentially connected with each other by using a resistance rate of 10-4Ohm.cm to 103Between ohm-cm of flexible graphite. The utility model has the advantages of high electric heat conversion rate, no open fire, low-temperature operation, energy saving and high safety and reliability, and is used as a heating component.
Description
The utility model relates to electric heating equipment, particularly the heat generating components in the electric heating equipment.
Conventional electric heating equipment is heat generating components mostly with the electric furnace heating wire, and electric furnace heating wire is that metal and metal alloy are made, so electric conversion rate is low, does heat generating components in the electric heating equipment with it, wastes energy.Electric furnace heating wire can only at high temperature move, after the electric furnace heating wire energising, and its surface temperature height, article are lighted on every side easily, lead to fire, and are very dangerous.Therefore, this class heat generating components has improved necessity very much.
The purpose of this utility model is to overcome the above problems, and a kind of flexible graphite conductive exothermal parts are provided, and its electric conversion rate height, operating temperature are low, does heat generating components in the electric heating equipment with it, energy savings not only, and also safe and reliable.
The purpose of this utility model is achieved in that
A kind of flexible graphite conductive exothermal parts are layer structure, it is characterized in that: it mainly is made up of for three layers substrate, safety guard, flexible graphite conductive heating unit, and this flexible graphite conductive heating unit is installed between substrate and the safety guard.
In preferred embodiment, described flexible graphite conductive heating unit is made up of some strip graphite papers, and these strip graphite paper space certain distances are arranged in parallel, and interconnect by electrode assembly between two adjacent graphite papers;
Described each strip graphite paper is linked in sequence successively by electrode assembly head and the tail and is connected into one and constitutes the flexible graphite conductive heating unit.
Described electrode assembly is made of electrode slice and connector.
Described connector is a snap-fastener, has through hole on the described electrode slice, places for the button of snap-fastener.
Described graphite paper is to be 10 with resistivity
-4Ohm. centimetre to 10
3Ohm. the flexible graphite between centimetre is made.
Interval between described adjacent two graphite papers is between 1 millimeter to 10 millimeters.
Described some strip graphite papers are that head and the tail fuse.
The utility model has following actively useful effect:
1. heater of the present utility model is a graphite paper, and graphite paper is made with flexible graphite, and flexible graphite is nonmetal, and its inside is mixed with metal oxide, but cold operation, and the electric conversion rate height is done heat generating components in the electric heating equipment with it, can energy savings.
2. the utility model is done heater with flexible graphite material, but the flexible graphite cold operation does not produce naked light during work, and difficult article are on every side lighted, and can not scald human body, and sanitation and hygiene are safe and reliable.
3. the utility model uses snap-fastener with the end of electrode slice at graphite paper each graphite paper to be connected, easy accessibility, and like this, the increase and decrease of the quantity of graphite paper is conveniently satisfied the different requirement of user to heating-up temperature easily in the heat generating components.
4. the utility model uses snap-fastener with the end of electrode slice at graphite paper each graphite paper to be connected, graphite paper only need be cut into strip when cutting, with snap-fastener and electrode slice each graphite paper is being coupled together from beginning to end, can increase the useful life of graphite paper like this, because experiment shows, the graphite paper of vertical bar shape conducts electricity very well, long service life, and tortuous graphite paper electric conductivity is bad, damage easily in the corner, the utility model has increased electrode slice in the junction of turning round of graphite paper, so long service life.
5. the utility model adaptability is strong, because graphite paper is not subjected to the restriction of low temperature environment, can work in being lower than subzero 15 degrees centigrade environment.
6. be widely used, flexible graphite conductive exothermal parts of the present utility model can be used to the heat generating components as multiple electric heating equipment, as preserving the heat generating components of the heating equipments such as anti-cold store that fruits and vegetables use in wall-hanging warmer, industrial stoving room, greenhouse, winter.
Now be described in further detail as follows in conjunction with the accompanying drawings with preferred embodiment:
Fig. 1 is a front view of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the partial enlarged drawing of Fig. 1, shows the syndeton of graphite paper, electrode slice, connector;
Fig. 4 is the package assembly schematic diagram of graphite paper, electrode slice, connector;
Fig. 5 is another embodiment of the present utility model.
Accompanying drawing number:
1. substrate 2. graphite papers 3. safety guards
4. electrode slice 5. connectors 6. connectors
7. electrode slice 8. connectors 9. connectors
10. electrode slice 11. connectors 12. connectors
13. electrode slice 14. connectors 15. connectors
16. electrode slice 17. connectors 18. connectors
19. through hole 20. through holes 21. graphite papers
22. graphite paper 23. graphite papers 24. graphite papers
25. graphite paper 26. graphite papers 27. electrode slices
28. electrode slice 29. transmission of electricity lead-in wires 30. transmission of electricity lead-in wires
31. connector 32. connectors 33. corners
See also Fig. 1, flexible graphite conductive exothermal parts of the present utility model are made up of substrate 1, flexible graphite conductive heating unit 2, safety guard 3; Flexible graphite conductive heating unit 2 is installed between substrate 1 and the safety guard 3, flexible graphite conductive heating unit 2 can be designed to Any shape, but with elongate in shape is good, in preferred embodiment, flexible graphite conductive heating unit 2 is made up of some strip graphite papers, see also Fig. 2, flexible graphite conductive heating unit 2 is by 21 in embodiment illustrated in fig. 2,22,23,24,25, article 26 6, graphite paper is formed, the graphite paper space certain distance of these strips is arranged in parallel, this distance is good between 1 millimeter to 10 millimeters, interconnects by electrode slice and connector between two adjacent graphite papers; As shown in Figure 2, interconnect by electrode slice 4 and connector 5,6 between the graphite paper 21,22; Interconnect by electrode slice 7 and connector 8,9 between the graphite paper 22,23; Interconnect by electrode slice 10 and connector 11,12 between the graphite paper 23,24; Interconnect by electrode slice 13 and connector 14,15 between the graphite paper 24,25; Interconnect by electrode slice 16 and connector 17,18 between the graphite paper 26,25.Above-mentioned graphite paper is made with flexible graphite, flexible graphite is through high-temperature process by the acidifying scale graphite, its volume splashes to expand becomes the material that is called worm for original several times, spray the organic or inorganic binding agent or without spraying binding agent, the graphite flake of making through the series mechanical pressing process again with flexibility, also can be called graphite paper, owing to contain a certain amount of metal oxide in this flexible graphite, it not only has conductivity, and after energising, also can produce suitable resistance heat, the resistivity of flexible graphite is 10
-4Ohm is centimetre to 10
3Ohm. between centimetre, during as exothermic material, resistivity is selected in 10
-2Ohm. centimetre to 10
2Ohm. in the cm range is good.The thickness of flexible graphite is selected in 0.2 millimeter to 3 millimeters scope in the utility model, and its length and width can be set according to the size of electrical power and the size of combined-voltage.
Please comprehensively consult Fig. 3 and Fig. 4, in preferred embodiment, described connector all is a snap-fastener, because of graphite paper very thin, penetrate easily, so as long as offer through hole 19,20 on electrode slice, allow the button of snap-fastener place, the cap of buckleing with snap-fastener fastens again, just can graphite paper and electrode slice is affixed, this connected mode is simply quick, can increase and decrease the bar number of graphite paper easily according to the requirement of user to heating-up temperature.Certainly, the also available bolt mode of above press-button type connected mode replaces.
In the utility model, substrate 1 or plane or curved face type, the material of substrate 1 is selected wider, both heatproof glass, enamel, glass fibre or add the insulating barrier metal, also cement plate, floor tile or wallboard.But optimum is to adopt heat-resisting, fire-retardant, insulation, conductive coefficient height, the strong material of thermal radiation to make, safety guard 3 or plane or curved face type, but should be consistent with the shape of substrate 1, its material optimum is to adopt heat-resisting, fire-retardant, insulation, conductive coefficient material low, that thermal radiation is not strong to make, like this, substrate 1 is a heating surface, towards the space of needs heating.Described graphite paper can use binding agent (not showing among Fig. 1) to adhere to above the substrate 1, and safety guard 3 can also can cover on the above-mentioned flexible graphite conductive heating unit 2 with the coatings brushing of satisfying above-mentioned performance requirement with a whole plate.
In actual production, each graphite paper shown in Figure 2 also can fuse by head and the tail, as shown in Figure 5, but graphite paper is number in the figure 33 places in the corner, and may to conduct electricity endurance quality bad, in order to increase its useful life, should be that number in the figure 33 places install electrode assembly additional in the corner of graphite paper.
Claims (7)
1. flexible graphite conductive exothermal parts are layer structure, it is characterized in that: it mainly is made up of for three layers substrate, safety guard, flexible graphite conductive heating unit, and this flexible graphite conductive heating unit is installed between substrate and the safety guard.
2. flexible graphite conductive exothermal parts as claimed in claim 1, it is characterized in that: described flexible graphite conductive heating unit is made up of some strip graphite papers, these strip graphite paper space certain distances are arranged in parallel, and interconnect by electrode assembly between two adjacent graphite papers;
Described each strip graphite paper is linked in sequence successively by electrode assembly head and the tail and is connected into one and constitutes the flexible graphite conductive heating unit.
3. flexible graphite conductive exothermal parts as claimed in claim 2, it is characterized in that: described electrode assembly is made of electrode slice and connector.
4. flexible graphite conductive exothermal parts as claimed in claim 3 is characterized in that: described connector is a snap-fastener, has through hole on the described electrode slice, places for the button of snap-fastener.
5. flexible graphite conductive exothermal parts as claimed in claim 2 is characterized in that: described graphite paper is to be 10 with resistivity
-4Ohm. centimetre to 10
3Ohm. the flexible graphite between centimetre is made.
6. flexible graphite conductive exothermal parts as claimed in claim 2 is characterized in that: the interval between described adjacent two graphite papers is between 1 millimeter to 10 millimeters.
7. flexible graphite conductive exothermal parts as claimed in claim 2 is characterized in that: described some strip graphite papers are that head and the tail fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99205778 CN2368243Y (en) | 1999-03-03 | 1999-03-03 | Flexible graphite conductive heating component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99205778 CN2368243Y (en) | 1999-03-03 | 1999-03-03 | Flexible graphite conductive heating component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2368243Y true CN2368243Y (en) | 2000-03-08 |
Family
ID=34000256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99205778 Expired - Fee Related CN2368243Y (en) | 1999-03-03 | 1999-03-03 | Flexible graphite conductive heating component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2368243Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104768243A (en) * | 2015-04-07 | 2015-07-08 | 上海交通大学 | Graphite sheet electrical heating component and manufacturing method thereof |
| US20170346069A1 (en) * | 2015-02-20 | 2017-11-30 | Kaneka Corporation | Graphite film, laminate film, method for producing same, and electrode material |
| CN110072304A (en) * | 2018-01-24 | 2019-07-30 | 青岛中邦凌电器有限公司 | A kind of mica heating plate and preparation method thereof and with its manufactured energy saving heating ring |
-
1999
- 1999-03-03 CN CN 99205778 patent/CN2368243Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170346069A1 (en) * | 2015-02-20 | 2017-11-30 | Kaneka Corporation | Graphite film, laminate film, method for producing same, and electrode material |
| US10535863B2 (en) * | 2015-02-20 | 2020-01-14 | Kaneka Corporation | Graphite film, laminate film, method for producing same, and electrode material |
| CN104768243A (en) * | 2015-04-07 | 2015-07-08 | 上海交通大学 | Graphite sheet electrical heating component and manufacturing method thereof |
| CN110072304A (en) * | 2018-01-24 | 2019-07-30 | 青岛中邦凌电器有限公司 | A kind of mica heating plate and preparation method thereof and with its manufactured energy saving heating ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |