CN201919186U - Electromagnetic-heating-type safety electric heating plate - Google Patents
Electromagnetic-heating-type safety electric heating plate Download PDFInfo
- Publication number
- CN201919186U CN201919186U CN2010206848651U CN201020684865U CN201919186U CN 201919186 U CN201919186 U CN 201919186U CN 2010206848651 U CN2010206848651 U CN 2010206848651U CN 201020684865 U CN201020684865 U CN 201020684865U CN 201919186 U CN201919186 U CN 201919186U
- Authority
- CN
- China
- Prior art keywords
- panel
- coil
- type safety
- heat
- heating plate
- Prior art date
Links
- 238000005485 electric heating Methods 0.000 title claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 239000011257 shell materials Substances 0.000 claims abstract description 20
- 239000000463 materials Substances 0.000 claims description 11
- 239000010425 asbestos Substances 0.000 claims description 7
- 239000011521 glasses Substances 0.000 claims description 7
- 229910052895 riebeckite Inorganic materials 0.000 claims description 7
- 229910001018 Cast iron Inorganic materials 0.000 claims description 5
- 210000003298 Dental Enamel Anatomy 0.000 claims description 5
- 239000010410 layers Substances 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 210000002421 Cell Wall Anatomy 0.000 claims description 3
- 238000006243 chemical reactions Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000003247 decreasing Effects 0.000 abstract 1
- 239000004773 Thermostat Substances 0.000 description 2
- SLNZIGBMBMEGNZ-UHFFFAOYSA-N [Fe].[Al] Chemical compound 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Abstract
Description
Technical field
The utility model relates to heater, particularly a kind of electromagnetic heating type safety electric heating plate.
Background technology
Electric hot plate is oven dry, drying that is widely used in sample and the heater of making other humid tests, be physics, chemistry, the biology laboratory of school, the widely used heater in laboratory of departments such as heredity, medicine, environment-friendly laboratory and food, epidemic prevention, medical treatment and scientific research.
At present the electric hot plate that uses comprises shell, control circuit, panel and heater element, wherein heater element one class be lectrothermal alloy wire as exothermic material,, place under the panel as insulating material with the mica soft board; Another kind of is electric heating tube, and electric heating tube casts from aluminium (iron) dish or welds, is embedded under aluminium (iron) panel.Heater element is communicated with control circuit, and control circuit is by the break-make of electric current or the size of the electric current that control is passed through in the thermostat control heater element, with the temperature that keeps panel in suitable temperature.The heater element of this class electric hot plate is resistance element, and the heat efficiency is lower, and the heater element of electric heating one and panel, housing contacts are close, and especially insulating material easily lost efficacy and causes panel charged under the high temperature, and the life injury accident easily takes place.
The utility model content
The purpose of this utility model is exactly the above-mentioned defective that will overcome prior art, and a kind of efficient, safe electromagnetic heating type safety electric heating plate is provided.
For achieving the above object, the electromagnetic heating type safety electric heating plate that the utility model provides, comprise shell, panel and control circuit, also comprise heat-insulating shield and coil in the described shell, described panel is a flat board, be bearing in the top of described shell, described coil stationary is installed in the bottom of described panel and links to each other with described control circuit electricity, and described heat-insulating shield is fixedly mounted between described panel and the described coil.
The utility model electromagnetic heating type safety electric heating plate, wherein said coil be line formula coiling in the shape of a spiral in one plane, and the number of described coil reaches the size of panel area as required can install 1～4, is distributed under the described panel.
The utility model electromagnetic heating type safety electric heating plate, the cross section diameter of wherein said coil are 2.5 millimeters, and by stranded the forming of the high temperature resistant enamel covered wire of multiply, the appearance of described coil has resin-sealed layer.
The utility model electromagnetic heating type safety electric heating plate, wherein said heat-insulating shield are glass mat or asbestos board, and its thickness is less than 3 millimeters.
The utility model electromagnetic heating type safety electric heating plate, wherein said panel adopt ferrimagnet to make, and are stainless steel material or cast iron materials.
For achieving the above object, the another kind of electromagnetic heating type safety electric heating plate that the utility model provides, comprise shell, panel and control circuit, also comprise heat-insulating shield and coil in the described shell, the longitudinal section of described panel and the longitudinal section of described heat-insulating shield all are " ∏ " type, the two is respectively equipped with circular recess below flat board separately, described heat-insulating shield is positioned at the below of described panel, the circular recess of described panel is sleeved in the circular recess of described heat-insulating shield, described panel is bearing in the top of described shell, described coil is a solenoid, and the circular cell wall that described coil stationary is sleeved on described heat-insulating shield links to each other outward and with described control circuit electricity.
The advantage and the good effect of the utility model electromagnetic heating type safety electric heating plate are: because heater element is a coil, it produces eddy current heats up panel, and panel is exactly a heater, so thermal inertia is little, and plate face heating-cooling rapidly behind the switching electricity.Heat-insulating shield adopts glass mat or asbestos board to constitute, its thin thickness, and the gap is littler between panel and the coil, so electromagnetic conversion efficient is higher, saves electric energy more, and easy to maintenance, useful life is also long.Simultaneously because the coil integral sealing and and panel between nonmetallic heat-insulating shield is arranged, electric heating is isolated fully, thereby security performance improves greatly, has guaranteed user's personal safety.
Be elaborated with reference to accompanying drawing below in conjunction with embodiment.
Description of drawings
Fig. 1 is that the master of the utility model electromagnetic heating type safety electric heating plate embodiment one looks cutaway view;
Fig. 2 is the vertical view of the utility model electromagnetic heating type safety electric heating plate embodiment one;
Fig. 3 is that the master of the utility model electromagnetic heating type safety electric heating plate embodiment two looks cutaway view.
Embodiment
Describe the embodiment one of the utility model electromagnetic heating type safety electric heating plate in detail below in conjunction with accompanying drawing.
With reference to Fig. 1, the electromagnetic heating type safety electric heating plate that the utility model provides comprises heat-insulating shield 3 and coil 2 in shell 1, panel 4, the shell 1, and control circuit 5.Panel 4 is bearing in the top of shell 1.Panel 4 is made for ferrimagnet, as stainless steel material, cast iron materials etc.The cross section diameter of coil 2 is 2.5 millimeters, and by stranded the forming of the high temperature resistant enamel covered wire of multiply, the appearance of coil 2 has resin-sealed layer.Heat-insulating shield 3 is glass mat or asbestos board, and its thickness is less than 3 millimeters.
Panel 4 is a flat board.With reference to Fig. 2, coil 2 is line formula coiling in the shape of a spiral in one plane.Coil 2 is fixedly mounted on the bottom of panel 4 and links to each other with control circuit 5 electricity, and coil 2 reaches the size of panel 4 areas as required can install 1～4, and embodiment one is 2, is distributed on panel 4 times, so that the temperature of panel 4 is more even.Heat-insulating shield 3 is fixedly mounted between panel 4 and the coil 2.
Describe the embodiment two of the utility model electromagnetic heating type safety electric heating plate in detail below in conjunction with accompanying drawing.
With reference to Fig. 3, the electromagnetic heating type safety electric heating plate that the utility model provides comprises heat-insulating shield 3 and coil 2 in shell 1, panel 4, the shell 1, and control circuit 5.Panel 4 is bearing in the top of shell 1.Panel 4 is made for ferrimagnet, as stainless steel material, cast iron materials etc.The cross section diameter of coil 2 is 2.5 millimeters, and by stranded the forming of the high temperature resistant enamel covered wire of multiply, the appearance of coil 2 has resin-sealed layer.Heat-insulating shield 3 is glass mat or asbestos board, and its thickness is less than 3 millimeters.
The longitudinal section of the longitudinal section of panel 4 and heat-insulating shield 3 all is " ∏ " type, and the two is respectively equipped with circular recess below flat board separately, and heat-insulating shield 3 is positioned at the below of panel 4, and the circular recess of panel 4 is sleeved in the circular recess of heat-insulating shield 3.Coil 2 is a solenoid, and the circular cell wall that is fixedly set in heat-insulating shield 3 links to each other outward and with control circuit 5 electricity.
In two embodiment of the utility model electromagnetic heating type safety electric heating plate, the temperature control part in the control circuit is similar with the electric hot plate of prior art, comes the break-make of control circuit or the size of the electric current that control is passed through by thermostat.The circuit of control coil is similar with the widely used control circuit of prior art electromagnetic oven, can be according to actual needs simplified on the multistage adjusting of power output and testing circuit.
Because panel is exactly a heater, thermal inertia is little, plate face heating-cooling rapidly behind the switching electricity.Heat-insulating shield adopts glass mat or asbestos board to constitute, its thin thickness, and the gap is littler between panel and the coil, so electromagnetic conversion efficient is higher, saves electric energy more, and easy to maintenance, useful life is also long.
Because the coil integral sealing and and panel between nonmetallic heat-insulating shield is arranged, electric heating is isolated fully, thereby security performance improves greatly, has guaranteed user's personal safety.
Embodiment recited above is described preferred implementation of the present utility model, is not that design of the present utility model and scope are limited.Under the prerequisite that does not break away from the utility model design concept; various modification and improvement that this area ordinary person makes the technical solution of the utility model; all should drop into protection range of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206848651U CN201919186U (en) | 2010-12-28 | 2010-12-28 | Electromagnetic-heating-type safety electric heating plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206848651U CN201919186U (en) | 2010-12-28 | 2010-12-28 | Electromagnetic-heating-type safety electric heating plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201919186U true CN201919186U (en) | 2011-08-03 |
Family
ID=44418972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206848651U CN201919186U (en) | 2010-12-28 | 2010-12-28 | Electromagnetic-heating-type safety electric heating plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201919186U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361523A (en) * | 2011-09-22 | 2012-02-22 | 淮南联合大学 | Electromagnetic heating type electrothermal sleeve |
| CN102438343A (en) * | 2011-09-22 | 2012-05-02 | 淮南联合大学 | Electromagnetic heating closed electric furnace |
| CN102513173A (en) * | 2011-12-26 | 2012-06-27 | 淮南联合大学 | Electromagnetic heating water bath kettle with nonmetal kettle body |
| CN103096551A (en) * | 2011-11-04 | 2013-05-08 | 孙安民 | Split type electromagnetic preheating furnace for thermal assembly |
| CN103561495A (en) * | 2013-11-07 | 2014-02-05 | 乐山市同源科技有限公司 | Electromagnetic thermal converter |
-
2010
- 2010-12-28 CN CN2010206848651U patent/CN201919186U/en not_active IP Right Cessation
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361523A (en) * | 2011-09-22 | 2012-02-22 | 淮南联合大学 | Electromagnetic heating type electrothermal sleeve |
| CN102438343A (en) * | 2011-09-22 | 2012-05-02 | 淮南联合大学 | Electromagnetic heating closed electric furnace |
| CN103096551A (en) * | 2011-11-04 | 2013-05-08 | 孙安民 | Split type electromagnetic preheating furnace for thermal assembly |
| CN102513173A (en) * | 2011-12-26 | 2012-06-27 | 淮南联合大学 | Electromagnetic heating water bath kettle with nonmetal kettle body |
| CN103561495A (en) * | 2013-11-07 | 2014-02-05 | 乐山市同源科技有限公司 | Electromagnetic thermal converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20111228 |