CN207070375U - A kind of quick-heating type heating board and electric heating equipment - Google Patents
A kind of quick-heating type heating board and electric heating equipment Download PDFInfo
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- CN207070375U CN207070375U CN201721013308.5U CN201721013308U CN207070375U CN 207070375 U CN207070375 U CN 207070375U CN 201721013308 U CN201721013308 U CN 201721013308U CN 207070375 U CN207070375 U CN 207070375U
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Abstract
It the utility model is related to a kind of quick-heating type heating board and electric heating equipment, wherein, quick-heating type heating board, including substrate, thermally conductive insulating layer, heating layer and heat-insulating layer, the thermally conductive insulating layer, heating layer and heat-insulating layer are superimposed from the bottom to top successively, and the thermally conductive insulating layer is attached on substrate after superposition；The heating layer includes being attached to the conductive layer of thermally conductive insulating layer, and the heater layer being located between conductive layer and heat-insulating layer, conductive layer are electrically connected power supply；The heater layer is that electric slurry printing forms, or the film layer made of electric slurry.Electric heating equipment, that includes quick-heating type heating board described above.The utility model has low solidification temperature, thickness of thin, thermal conductivity high and the low advantage of power consumption, is more suitable for being widely popularized.
Description
Technical field
Electric-heating technology field is the utility model is related to, is related to quick-heating type heating board and electric heating equipment.
Background technology
The electric slurry electric heat-emitting board of 200 to 300 traditional degree applications, is substantially using 314 Stainless Steels as base material,
Then high-temperature sintered electronic slurry after being printed on base material, and needed in traditional production process by four sintering of high temperature,
It can obtain, such as：Conventional silver-colored palladium system, the procedure for producing of ruthenium electronic paste are as follows：1）Print insulating barrier, 800 degree of sintering of high temperature；
2）Printed conductive layer, 800 degree of sintering of high temperature；3）Printed electronic slurry heating layer, 800 degree of sintering；4）Print insulating barrier, high temperature
800 degree of sintering.Therefore it is as follows to there is shortcoming：（1）Sintering temperature is high, sintering number is more, limits the application of material.Slurry is necessary
800 degree of sintering of high temperature, lead to not be applied on material of the fusing point less than 800 degree, such as aluminium, iron, high polymer material；（2）System
Into heating plate thickness it is thicker, lightening can not apply, can be only applied to thickness more than 1mm Stainless Steel material on, thickness is small
Material deform after sintering, influence printing precision so as to influence the watt level of product and life-span, and when application area is bigger,
Thickness will increase, and product lightening is not applied；（3）Thermal conductivity factor is low, and heat transfer is slow, because the sintering temperature of slurry is 800
Degree, it is therefore necessary to dystectic 314 Stainless Steel material is selected, thermal conductivity factor only 20w/m.K or so without embroidering Steel material, this ginseng
Number influences the thermal efficiency and life of product.
Chinese patent：Application number CN201620243225.4, disclose a kind of double-layer stainless steel heating board, it is desirable to provide one
Kind heating effect is more stable, and heat up rapider, the heating board that electric heating conversion efficiency is higher and electromagnetic radiation is smaller, including the first aluminium
Layers of foil, insulating barrier on first, insulating barrier on second, the first fever tablet, intermediate insulating layer, the second fever tablet, first time insulating barrier,
Second time insulating barrier and the second aluminium foil layer.
In consideration of it, urgently there is the quick-heating type heating board that a thermal conductivity is high and power consumption is low in the art.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of quick-heating type heating board.
The utility model adopts the following technical scheme that：
The utility model provides a kind of quick-heating type heating board, wherein：Including substrate, thermally conductive insulating layer, heating layer and every
Thermal insulation layer, the thermally conductive insulating layer, heating layer and heat-insulating layer are superimposed from the bottom to top successively, and the heat conduction after superposition
Insulating barrier is attached at substrate；
The heating layer includes being attached to the conductive layer of thermally conductive insulating layer, and be located at conductive layer with it is heat-insulated absolutely
Heater layer between edge layer, conductive layer electric connection of power supply；
Heating line layer is formed for electric slurry printing or the thin-film material made of electric slurry.
Further, the substrate is made of a highly heat conductive material, such as aluminium or copper product.
Further, the thickness of the substrate is 0.05mm-0.25mm.
Further, the etching line for carrying conductive layer is etched between the heater layer and thermally conductive insulating layer
Road.
Further, the conductive layer is provided with two line posts, for electric connection of power supply.
Further, the heater layer is made up of copper, aluminium, copper foil or aluminum foil material.
Further, after the thermally conductive insulating layer, heating layer and heat-insulating layer are sequentially overlapped, the thermally conductive insulating layer patch
Invest a face of substrate or symmetrical two faces.
Further, the thermally conductive insulating layer is made up of heat-conducting type polyimide material.
Further, the quick-heating type heating board is additionally provided with insulated fire layer or heat-insulated cover layer, the insulated fire
Layer or heat-insulated cover layer are superimposed upon heat-insulating layer top, the insulated fire layer or heat-insulated cover layer as fire prevention rock wool system
Into.
A kind of electric heating equipment, that includes the quick-heating type heating board described in above-mentioned any one.
Compared with prior art, the beneficial effects of the utility model are：
The utility model using cost-effective aluminium sheet as heating board base material, it is cheap, have concurrently it is lightening application,
Heat conduction is fast/energy-conservation the characteristics of.The utility model relative to traditional electric heat-emitting board benefit：
Solidification temperature is low：Aluminum is as base material, and the solidification temperature of the electric slurry in the utility model is 300 degree,
Solidification temperature of 800 degree well below Stainless Steel fever tablet.
Lightening it can apply：The utility model can be applied on minimum 0.05mm aluminium foil, gross thickness minimum 0.25mm,
Using not taking up space.
Thermal conductivity factor is high, and heat transfer is fast：Fever tablet, thermal conductivity factor 280w/m.k, heat conduction are more than 10 times of Stainless Steel.
Bent application：Aluminium sheet or aluminium foil can carry out tearing the processed and applied such as curved open according to needs, and flexibility is big.
The utility model has low solidification temperature, thickness of thin, thermal conductivity high and the low advantage of power consumption, is more suitable for pushing away extensively
Extensively.
【Brief description of the drawings】
Fig. 1 is quick-heating type heating harden structure schematic cross-sectional view；
Fig. 2 is the structure schematic cross-sectional view of another embodiment；
Fig. 3 is double-deck quick-heating type heating harden structure schematic cross-sectional view.
Identified in figure：1- substrates, 2a- thermally conductive insulating layer, the thermally conductive insulating layer of 2b- second, 3a- conductive layers, 3b- second
Conductive layer, 4a- heaters layer, the second heaters of 4b- layer, 5a- heat-insulating layers, the heat-insulating layers of 5b- second, 6- insulations
The heat-insulated cover layer of fireprotection layer, 7a-, the second heat-insulated cover layers of 7b-.
【Embodiment】
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, do not limit the utility model.
In description of the present utility model, it is to be understood that term " length ", " width ", " on ", " under ", " preceding ",
The orientation or position relationship of the instruction such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " are based on attached
Orientation or position relationship shown in figure, it is for only for ease of and describes the utility model and simplify to describe, rather than instruction or hint
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model embodiment, unless otherwise clearly defined and limited, term " installation ", " connected ", " company
Connect ", the term such as " fixation " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；
Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be with
It is connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art, may be used
To understand concrete meaning of the above-mentioned term in the utility model as the case may be.
Shown in refer to the attached drawing 1, the utility model provides a kind of quick-heating type heating board, wherein：It is exhausted including substrate 1, heat conduction
Edge layer 2a, heating layer and heat-insulating layer 5a, the thermally conductive insulating layer 2a, heating layer and heat-insulating layer 5a are successively from the bottom to top
Superposition, and the thermally conductive insulating layer 2a is attached at substrate 1 after superposition；
The heating layer includes being attached to thermally conductive insulating layer 2a conductive layer 3a, and be located at conductive layer 3a with
Heater layer 4a between heat-insulating layer 5a, conductive layer 3a electric connection of power supply；The heater layer in the present embodiment
4a is that electric slurry printing forms；Heater layer 4a thin-film materials made of electric slurry in further embodiment.Embodiment
In electric slurry be to include nano metal powder, including silver powder, copper powder, nickel powder, molybdenum powder, carbon dust, mica powder etc. are a kind of or several
The combination of kind；Thixotropic agent, include one or more combinations of the fat of fourth third, polyamide wax, rilanit special；Thickener, including second
One or more combinations in base cellulose or KB6650；Solvent, including diethylene glycol, propylene glycol propyl ether, methylacetamide,
One or more combinations in citric acid tri butyl ester, butyl carbitol, butyl carbitol mould acid fat, terpinol；Silk ribbon attached to an official seal or a medal loses agent；Disappear
Infusion；Coupling agent, KH550；High temperature silicone resin and surfactant.
Prepare electric slurry process：Mixing-emulsification-grinding-reaction-standing, finally obtains electric slurry.
Further in the present embodiment shown in refer to the attached drawing 1, the substrate 1 is made up of aluminum, manufactured aluminium base thickness of slab
Spend for 0.05mm, because substrate can accomplish that relatively thin therefore obtained quick-heating type heating board can control 0.25mm, and now
It is 0.05mm that thermally conductive insulating layer 2a, conductive layer 3a, heater layer 4a and heat-insulating layer 5a, which distinguish thickness,.Reach reduction
The purpose of heater plate thickness, so as to effectively reduce the accounting rate of heater, while the thermal conductivity factor of aluminium base is high, up to
280w/m.K, the high heat conduction of aluminium base can reach the effect of fast heat and energy-conservation, therefore relative to traditional hot setting electric hot plate
For thermal conductivity it is better.
In a further embodiment, the substrate 1 is made up of the high iron material of thermal conductivity factor or high polymer material, embodiment
Value range of the middle thickness control by the substrate 1 in 0.05mm-0.25mm.It is to be noted that the thickness of substrate 1 can root
Set according to the thickness requirement of electric hot plate.
It is further in the present embodiment, it is etched with being used to carry hair between the conductive layer 3a and thermally conductive insulating layer 2a
Hot body layer 4a circuit etching.Circuit etching is designed according to the heating demands of heating board, then by etching machine in conductor lines
Road floor 3a etches to obtain circuit etching, and electric slurry is printed onto circuit etching and obtains overall heater.According to electrothermal calefactive rate and
The circuit etching and heating layer power density of caloric value Demand Design can change.Circuit etching is uniformly distributed on heating board,
It can effectively ensure that the uniformity of heating.
Further in the present embodiment, the conductive layer 3a is provided with two line posts, for electric connection of power supply.Connection
Post is that refractory ceramics binding post is used for that to connect external power source to be its power supply, reaches the purpose of electricity heating.
Further in the present embodiment, the conductive layer 3a is made up of copper, aluminium or copper foil, aluminum foil material, and leads
Body line layer 3a designs minimum thickness 0.25mm, can effectively reduce the integral thickness of heating board.
It is further in the present embodiment shown in refer to the attached drawing 1, the thermally conductive insulating layer 2a, heating layer and heat-insulating layer 5a
It is sequentially overlapped the face that the rear thermally conductive insulating layer 2a is attached at substrate 1.The heating of one side is obtained by above-mentioned design structure
Plate, it disclosure satisfy that the demand of most heat-producing device.
It is further in another embodiment, after the thermally conductive insulating layer 2a, heating layer and heat-insulating layer 5a are sequentially overlapped
The thermally conductive insulating layer 2a is attached at two faces of substrate 1, and it is axially symmetric structure to be formed with substrate 1.And the knot of Double-side heating
Structure disclosure satisfy that caloric value is bigger or the heat-producing device of two-sided requirement heating.
In the present embodiment shown in refer to the attached drawing 3 on the basis of individual layer quick-heating type heating board with substrate 1 be axial symmetry increase
Second thermally conductive insulating layer 2b, the second conductive layer 3b, the second heater layer 4b and the second thermally conductive insulating layer 5b, so as to be formed
Two-sided quick-heating type heating board.
Further shown in refer to the attached drawing 1, the thermally conductive insulating layer 2a is heat-conducting type polyimide material or heat-conducting type
Modified epoxy is made.The safety that insulating effect ensures electric hot plate is not only played, also effectively ensures thermal conductivity.It is described every
Thermal insulation layer 5a and the second thermally conductive insulating layer 5b are made up of heat insulation type polyimides or heat insulation type modified epoxy.Not only play
Insulating effect ensures the safety of electric hot plate, also effectively ensures thermal insulation, is effectively guaranteed heat and is unlikely to be lost in raising effect
Rate.
Further shown in refer to the attached drawing 2 and 3 on the basis of above-mentioned, the quick-heating type heating board is additionally provided with insulated fire
6 or heat-insulated cover layer 7a of layer, the insulated fire layer 6 or heat-insulated cover layer 7a are made up of fire prevention rock wool.The insulation is anti-
Fire bed 6 or heat-insulated cover layer 7a are superimposed upon heat-insulating layer 5a tops.
A kind of electric heating equipment, that includes the quick-heating type heating board described in above-mentioned any one.
The quick-heating type heating board obtained in the present embodiment is tested as follows：
| Project | Test name | Test method | Result of the test |
| 1 | Hot operation | 350 degree are run 48 hours, and film layer is without exception, and 3M600 adhesive tape tests are without coming off | It is without exception |
| 2 | High/low-temperature impact | Experiment is carried out between two insulating boxs, and high temperature sets 350 degree, and low temperature setting -50 is spent, Element is put into high-temperature cabinet 1 hour, then takes out and is put into cryogenic box 1 hour, circulation 5 Secondary, after should be able to bearing cold-hot alternative test, element is not deformed, and remains to normal work Make, film layer is not fallen off | It is without exception |
| 3 | Power attenuation | Element continuous work 100h under rated voltage and simulated conditions, records its initial power With the contrast of power during off-test, function decay≤10% | 2.20% |
| 4 | Life test | Element energization work 1 hour under rated voltage and simulated conditions, then power off 30 points Clock is to room temperature, it is allowed to which forcing functions, cumulative operation time reach 3000h, and performance meets examination 2 and 3 requirement is tested, power attenuation is not more than 20% | <10% |
| 5 | Leakage current testing | Element works under normal operation, 1.15 times of Adjustment Tests voltage to rated output When, after element manipulation is stable（Water heating elements observation time is 10S, to air plus Thermal element observation time is 15s, and in observation interval, the change of maximum temperature point is less than 2K When, element has worked to stable）, leakage current is measured, element is at the working temperature The regulation that leakage current should meet in GB4706.1 13.2 is no more than 0.5mA | < 0.2mA |
| 6 | Hi-pot test | Carried out immediately after the completion of leakage current testing, test voltage 1000V, under operating temperature Electrical strength should meet in GB4706.1 13.3 regulation, the insulation of element should be able to be through One minute, during experiment is lasted by the 1000V voltages that frequency is 50Hz, should not be dodged Network punch-through | It is without exception |
| 7 | Non-normal working | Voltage is adjusted to 1.24 times of rated output, is continued to working stability or component wear, Element should occur without jet flames and molten metal, should not produce shock hazard | It is without exception |
| 8 | Temperature homogeneity | Length direction averagely takes three points respectively with width, totally nine points, with multichannel temperature Temperature test is carried out when spending tester simultaneous, records the extreme difference between each point | <5 degree |
| 9 | Dry combustion method temperature resistant capability | The edge of element is maked somebody a mere figurehead in room temperature environment with refractory brick, 10% is applied to element Rated voltage, measurement surface maximum temperature, when reaching working stability, the value is recorded, counted Temperature Difference Ratio is calculated, voltage tester is then adjusted according to Temperature Difference Ratio, until dry combustion method temperature and resistance to Warm temperature difference is less than within 5 degree.Dry combustion method heatproof experiment cooling after, film layer do not fall off or Damage, insulating properties meet the performance requirement for requiring above pilot project 2 and 3, cold conditions The change in resistance of resistance is not more than 5% | It is without exception |
In summary, the quick-heating type heating board through being produced in overtesting the present embodiment fully meets requirement, and performance phase
To traditional heating plate according to outstanding.The contrast of the present embodiment product and traditional electric boiling plate is as follows：
From the foregoing, it will be observed that base material of the utility model using cost-effective aluminium sheet as heating board, price are sent out compared with Stainless Steel
Hot plate is cheap, the characteristics of having lightening application, heat conduction fast, energy-conservation concurrently.The utility model relative to traditional electric heat-emitting board benefit：
Solidification temperature is low：Aluminum is as base material, and the solidification temperature of the electric slurry in the utility model is 300 degree,
Solidification temperature of 800 degree well below Stainless Steel fever tablet.
Lightening it can apply：The utility model can be applied on minimum 0.05mm aluminium foil, gross thickness minimum 0.25mm,
Using not taking up space.
Thermal conductivity factor is high, and heat transfer is fast：Fever tablet, thermal conductivity factor 280w/m.k, heat conduction are more than 10 times of Stainless Steel.
Bent application：Aluminium sheet or aluminium foil can carry out tearing the processed and applied such as curved open according to needs, and flexibility is big.
Double-side heating：It can increase and be twice power density.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
- A kind of 1. quick-heating type heating board, it is characterised in that：Including substrate（1）, thermally conductive insulating layer（2a）, heating layer and partiting thermal insulation Layer（5a）, the thermally conductive insulating layer（2a）, heating layer and heat-insulating layer（5a）It is superimposed from the bottom to top successively, and institute after superposition State thermally conductive insulating layer（2a）It is attached at substrate（1）；The heating layer includes being attached to thermally conductive insulating layer（2a）Conductive layer（3a）, and it is located at conductive layer（3a） With heat-insulating layer（5a）Between heater layer（4a）, conductive layer（3a）Electric connection of power supply；The heater layer（4a）Formed for electric slurry printing.
- 2. quick-heating type heating board as claimed in claim 1, it is characterised in that：The substrate（1）It is made of a highly heat conductive material.
- 3. quick-heating type heating board as claimed in claim 2, it is characterised in that：The substrate（1）Thickness be 0.05mm- 0.25mm。
- 4. quick-heating type heating board as claimed in claim 1, it is characterised in that：The heater layer（4a）It is etched with being used to carry Conductive layer（3a）Circuit etching.
- 5. the quick-heating type heating board as described in claim 1 or 4, it is characterised in that：The conductive layer（3a）Provided with two Line post, for electric connection of power supply.
- 6. quick-heating type heating board as claimed in claim 5, it is characterised in that：The conductive layer（3a）For copper, aluminium, copper foil Or aluminum foil material is made.
- 7. quick-heating type heating board as claimed in claim 1, it is characterised in that：The thermally conductive insulating layer（2a）, heating layer and every Thermal insulation layer（5a）After being sequentially overlapped, the thermally conductive insulating layer（2a）It is attached at substrate（1）A face or symmetrical two Face.
- 8. quick-heating type heating board as claimed in claim 1, it is characterised in that：The thermally conductive insulating layer（2a）For heat-conducting type polyamides Imines material is made.
- 9. quick-heating type heating board as claimed in claim 1, it is characterised in that：The quick-heating type heating board is additionally provided with insulated fire Layer or heat-insulated cover layer（7a）, the insulated fire layer or heat-insulated cover layer（7a）It is superimposed upon heat-insulating layer（5a）On Portion.
- A kind of 10. electric heating equipment, it is characterised in that：Include the quick-heating type heating board described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721013308.5U CN207070375U (en) | 2017-08-14 | 2017-08-14 | A kind of quick-heating type heating board and electric heating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721013308.5U CN207070375U (en) | 2017-08-14 | 2017-08-14 | A kind of quick-heating type heating board and electric heating equipment |
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| Publication Number | Publication Date |
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| CN207070375U true CN207070375U (en) | 2018-03-02 |
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| CN201721013308.5U Active CN207070375U (en) | 2017-08-14 | 2017-08-14 | A kind of quick-heating type heating board and electric heating equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107613588A (en) * | 2017-08-14 | 2018-01-19 | 深圳市维特欣达科技有限公司 | The preparation method and quick-heating type heating board of a kind of quick-heating type heating board |
| CN109398760A (en) * | 2018-09-21 | 2019-03-01 | 中国科学院长春光学精密机械与物理研究所 | A kind of low heat conductivity carbon fibre composite supporting structure |
| CN110429058A (en) * | 2019-07-29 | 2019-11-08 | 苏州日月新半导体有限公司 | Integrated circuit manufacture process adhesive tape and backside of wafer brush coating technique |
| CN110425592A (en) * | 2019-08-28 | 2019-11-08 | 米技电子电器(上海)有限公司 | The electric stove stone or metal plate for standing a stove on as a precaution against fire of cramped construction |
| CN110553306A (en) * | 2019-09-28 | 2019-12-10 | 浙江罗奇泰克科技股份有限公司 | Energy-conserving efficient board that generates heat |
-
2017
- 2017-08-14 CN CN201721013308.5U patent/CN207070375U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107613588A (en) * | 2017-08-14 | 2018-01-19 | 深圳市维特欣达科技有限公司 | The preparation method and quick-heating type heating board of a kind of quick-heating type heating board |
| CN107613588B (en) * | 2017-08-14 | 2023-12-05 | 深圳市维特欣达科技有限公司 | Preparation method of quick heating type heating plate and quick heating type heating plate |
| CN109398760A (en) * | 2018-09-21 | 2019-03-01 | 中国科学院长春光学精密机械与物理研究所 | A kind of low heat conductivity carbon fibre composite supporting structure |
| CN109398760B (en) * | 2018-09-21 | 2021-05-18 | 中国科学院长春光学精密机械与物理研究所 | Low-thermal-conductivity carbon fiber composite supporting structural member |
| CN110429058A (en) * | 2019-07-29 | 2019-11-08 | 苏州日月新半导体有限公司 | Integrated circuit manufacture process adhesive tape and backside of wafer brush coating technique |
| CN110425592A (en) * | 2019-08-28 | 2019-11-08 | 米技电子电器(上海)有限公司 | The electric stove stone or metal plate for standing a stove on as a precaution against fire of cramped construction |
| CN110553306A (en) * | 2019-09-28 | 2019-12-10 | 浙江罗奇泰克科技股份有限公司 | Energy-conserving efficient board that generates heat |
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