CN209089260U - A kind of thick film heating assembly - Google Patents
A kind of thick film heating assembly Download PDFInfo
- Publication number
- CN209089260U CN209089260U CN201821452239.2U CN201821452239U CN209089260U CN 209089260 U CN209089260 U CN 209089260U CN 201821452239 U CN201821452239 U CN 201821452239U CN 209089260 U CN209089260 U CN 209089260U
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- heat transfer
- heating
- insulation
- heating membrane
- box body
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Abstract
The utility model discloses a kind of thick film heating assemblies, including heating membrane, the heating membrane includes heating the substrate and the heater circuit on heating the substrate, it further includes the insulation heat transfer box body of the hermetically sealed heating membrane, the insulation heat transfer box body includes the first heat-transfer area corresponding with heating membrane upper and lower surface and the second heat-transfer area, first heat-transfer area and the second heat-transfer area are used to heat external medium, and the power density of the heating membrane is X, X≤50W/cm2.Technical solution according to the present utility model improves heating efficiency, while also realizing preferably heat dissipation, and then improve service life by making full use of the heat while heat medium on fever diaphragm two sides.
Description
Technical field
The utility model belongs to fluid electric heating device field more particularly to a kind of thick film heating assembly.
Background technique
Thick-film heating technology is using thick film screen typography on one piece of substrate, and successively printing insulation is situated between on substrate
Matter, adding thermal resistance, conductor and insulating protective layer, through heating device made of high temperature sintering.Thick film thermal printing techniques, which have, leads
The feature that hot property is good, heat dissipation area is big and security performance is high, still, at present for fluid heating efficiency and performance not yet
Reach the fully effective design requirement utilized, on the other hand, the watt level of thick film circuit is heated matrix area and container
The limitation in space.Currently, the mode that thick film heating assembly is typically all unilateral heat transfer is using, i.e., independent one layer of heating layer or
Two layers the unilateral heat transfer of realization is separated by medium.Thick-film heating technology on the market is commonly used in the heating group of heating installation at present
It is typically all single side heat transfer on part, another side stops heat transfer, this hot-die heating group by one layer of non-metal heat-insulating material
Part heat waste is serious, i.e., heat utilization ratio is low, meanwhile, the heat that the other side generates often because cannot pass out in time,
The service life of heating membrane is influenced whether after working long hours.
Utility model content
The purpose of this utility model is to provide a kind of thick film heating assemblies.
In order to achieve the above objectives, the solution that the utility model is taken is: a kind of thick film heating assembly comprising heating
Diaphragm, the heating membrane include heating the substrate and the heater circuit on heating the substrate, and further include hermetically sealed described
The insulation heat transfer box body of heating membrane, the insulation heat transfer box body include the first biography corresponding with heating membrane upper and lower surface
Hot face and the second heat-transfer area, first heat-transfer area and the second heat-transfer area are used to heat external medium, the heating membrane
Power density is X, X≤50W/cm2。
Further, the insulation heat transfer box body one side opposite with heating membrane upper surface, including insulation heat transfer layer with
Heat transfer plate, the insulation heat transfer layer are set between the heating membrane and heat transfer plate, and the outer surface of the heat transfer plate forms described
First heat-transfer area；The insulation heat transfer box body one side opposite with heating membrane lower surface, including insulation heat transfer layer and heat transfer plate,
The insulation heat transfer layer is set between the heating membrane and heat transfer plate, and the outer surface of the heat transfer plate forms second heat transfer
Face.
Further, the insulation heat transfer layer is insulation heat transfer glue, and the insulation heat transfer gluing is connected in the heating membrane
Between the heat transfer plate.
Further, it is described insulation heat transfer layer with a thickness of A, 0.01mm≤A≤0.015mm；The thickness of the heat transfer plate
For B, 1mm≤B≤2mm.
Further, the outer surface of the heat transfer plate is equipped with non-sticky coating.
Further, the insulation heat transfer box body includes the frame around heating membrane periphery setting, the frame
Match with the shape of heating membrane, the frame and the insulation heat transfer layer and heat transfer plate are tightly connected.
Further, the heating membrane is equipped with the pin being connected with heater circuit, and the pin passes through the frame
The outside of the insulation heat transfer box body is extended to, the pin and the bezel seal cooperate.
It further, further include fixing seat, the insulation heat transfer box body is connected with the fixing seat, and the pin is set to institute
State the insulation heat transfer box body side opposite with the fixing seat.
Further, the three-dimensional shape that the heating membrane is formed in planar sheet or bending.
The beneficial effects of the utility model are:
1, by the insulation heat transfer hermetically sealed heating membrane of box body, on the one hand guarantee the heater circuit in heating membrane
It will not leak electricity, that is, guarantee using safe；On the other hand, the heat that heating membrane generates can be transferred out by insulation heat transfer box body
It goes, to be heated to external medium.Meanwhile insulation heat transfer box body includes corresponding with heating membrane upper and lower surface first
Heat-transfer area and the second heat-transfer area, the i.e. heat of heating membrane upper and lower surface can conduct heat by insulation heat transfer box body
Thus on the one hand the more efficient heat generated using heating membrane, i.e. raising heating efficiency: another party can be achieved in external agency
The heat in face, heating membrane can also dissipate in time, and the service life of entire thick film heating assembly can be improved.In addition, the heating
The power density of diaphragm is X, wherein X≤50W/cm2, when the power density of heating membrane is greater than 50W/cm2Afterwards, heating membrane is held
It is more high-power if you need to reach easily because crossing cause thermal damage, it generally requires to increase very big material cost, this patent is heated due to using
The mode of diaphragm double-sided heat transfer, therefore the power density of heating membrane is set to be less than or equal to 50W/cm2When, still it is able to satisfy
High power requirements, i.e. realization low cost are provided simultaneously with powerful technical effect.
2, the insulation heat transfer box body one side opposite with heating membrane upper surface, including insulation heat transfer layer and heat transfer plate, this is absolutely
Edge heat transfer layer is set between the heating membrane and heat transfer plate, on the one hand can be achieved to carry out heating membrane by insulation heat transfer layer
Isolation processing, avoids the electrical conduction in heating membrane from influencing user security into medium, and on the other hand, insulation heat transfer layer also can
By the heat transfer of heating membrane to heat transfer plate, and heat is conducted to by the first heat-transfer area that the outer surface of heat transfer plate is formed
Medium heats medium to realize.
3, the insulation heat transfer layer is insulation heat transfer glue, and insulation heat transfer gluing is connected in the heating membrane and the heat transfer plate
Between, which can also be achieved under the premise of stating insulation and heat transfer effect in realization using insulation heat transfer glue
Adhesion heating membrane and heat transfer plate, so that entire thick film heating assembly structure is simpler, convenient for batch production assembling, together
When also reduce the cost of entire thick film heating assembly.
4, insulate heat transfer layer with a thickness of A, wherein 0.01mm≤A≤0.015mm so that insulation heat transfer layer have it is good
Insulation effect, while convenient for heat transfer, if A < 0.01mm, insulation effect is unreliable, and there are leakage risks；If A > 0.015mm,
It then will affect heat transfer efficiency, that is, will affect the heating efficiency of entire thick film heating assembly.In addition, heat transfer plate with a thickness of B, wherein
1mm≤B≤2mm, so that entire thick film heating assembly has better structural strength and heating efficiency, if B < 1mm, entirely
The structural strength of thick film heating assembly is relatively low, and there are risk of distortion；If B > 2mm, then will affect heat transfer efficiency, that is, will affect
The heating efficiency of entire thick film heating assembly.
5, it is equipped with non-sticky coating in the outer surface of heat transfer plate, realizes that entire thick film heating assembly is free of cleaning and prevents from being bonded
The technical effect of scale.
6, insulation heat transfer box body includes the frame around heating membrane periphery setting, the shape of the frame and heating membrane
Shape matches, and the frame and insulation heat transfer layer and/or heat transfer plate are tightly connected, and passes through frame coordinated insulation heat transfer layer and/or biography
Hot plate protects heating membrane, and guarantee will not leak electricity；The structural strength that entire thick film heating assembly can also be promoted simultaneously, keeps away
Exempt to deform.
7, heating membrane is equipped with the pin being connected with heater circuit, which passes through the frame and extend to the insulation
The outside of heat transfer box body connects external power supply circuit, it can be achieved that being powered on, while the pin and the frame are close by pin
Envelope cooperation, to guarantee that there is no leakage risks.
8, insulation heat transfer box body is connected with the fixing seat, and the connection structure of connection external devices is set in fixing seat,
Insulation heat transfer box body is fixed in external devices by fixing seat, to be heated to the medium in external devices, meanwhile, this draws
Foot is set to the insulation heat transfer box body side opposite with the fixing seat, i.e. terminals are located at installation end, so that being convenient for
Assembling promotes assembly efficiency.
9, the three-dimensional shape that film is formed in planar sheet or bending, since heating membrane is two-sided to external heat
Form, therefore the structure type of heating membrane is designed as a variety of patterns, i.e., applicable more scenes simultaneously generate better add
Thermal effect.
10, by using above-mentioned thick film heating assembly in the heating cavity in heating installation, i.e., above and below realization heating membrane
The heat on two sides can be conducted outward by insulation heat transfer box body, with the intracorporal medium of the heating chamber of heating installation, by
On the one hand the more efficient heat generated using heating membrane can be achieved in this, that is, improve the heating efficiency of heating installation；Another party
The heat in face, heating membrane can also dissipate in time, and the service life of heating installation can be improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment one.
Fig. 2 is the cross-sectional view of insulation heat transfer box body in Fig. 1.
Fig. 3 is the partial enlarged view in the region X in Fig. 2.
Fig. 4 is the exploded view of Fig. 1.
Fig. 5 is the structural schematic diagram of insulation heat transfer box body in the utility model embodiment two.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing.It should be noted that not rushing
In the case where prominent, the feature in the embodiments of the present invention and embodiment can mutual any combination.
Embodiment one:
Referring to figures 1-4, a kind of thick film heating assembly of a kind of thick film heating assembly comprising flaky heating membrane 1,
The heating membrane 1 includes heating the substrate and the heater circuit on heating the substrate, and after which powers on, can be generated simultaneously
A large amount of heat is released, to achieve the purpose that heating.The thick film heating assembly further includes the exhausted of the hermetically sealed heating membrane 1
On the one hand edge heat transfer box body 2 guarantees that the heater circuit in heating membrane 1 will not leak electricity, that is, guarantees using safe；On the other hand,
The heat that heating membrane 1 generates can be conducted by insulation heat transfer box body 2, to heat to external medium.The insulation passes
Hot box body 2 includes the first heat-transfer area 201 corresponding with 1 upper and lower surface of heating membrane and the second heat-transfer area 202, first biography
Hot face 201 and the second heat-transfer area 202 are used to heat external medium, i.e. the heat of 1 upper and lower surface of heating membrane can pass through
Insulation heat transfer box body 2 conduct heat external agency, thus on the one hand can be achieved it is more efficient using heating membrane 1 generate
Heat, i.e. raising heating efficiency: on the other hand, the heat of heating membrane 1 can also dissipate in time, and entire thick-film heating can be improved
The service life of component.Meanwhile the power density of the heating membrane 1 is X, wherein X≤50W/cm2, when the function of heating membrane 1
Rate density is greater than 50W/cm2Afterwards, heating membrane 1 is easy because crossing cause thermal damage, more high-power if you need to reach, and generally requires to increase very
Big material cost, this patent is since by the way of heating membrane double-sided heat transfer, the power density of heating membrane 1 being set
It is set to as less than or equal to 50W/cm2When, high power requirements are still able to satisfy, i.e., realization low cost is provided simultaneously with powerful technology effect
Fruit.
Referring to Fig. 1 and Fig. 4, in the present embodiment, the insulation box body 2 that conducts heat is structure symmetrical above and below, i.e., and in heating membrane 1
Surface it is opposite be symmetric relation while 1 lower surface of heating membrane is opposite, include insulation 21 He of heat transfer layer
Heat transfer plate 22, the insulation heat transfer layer 21 are set between the heating membrane 1 and heat transfer plate 22, the outer surface of upper and lower two pieces of heat transfer plates 22
Form first heat-transfer area 201 and the second heat-transfer area 202, by insulation heat transfer layer 21 on the one hand can be achieved to heating membrane 1 into
Row isolation processing, avoids the electrical conduction in heating membrane 1 from influencing user security into medium, and on the other hand, insulate heat transfer layer 21
Also can be by the heat transfer of heating membrane 1 to heat transfer plate 22, and pass through the first heat-transfer area of the outer surface of heat transfer plate 22 formation
201 and second heat-transfer area 202 heat is conducted to medium, thus realize to medium heat.
Referring to fig. 4, more specifically, in the present embodiment, insulation heat transfer layer 21 is insulation heat transfer glue, insulation heat transfer glue
It sticks between the heating membrane 1 and the heat transfer plate 22, which states in realization using insulation heat transfer glue
Under the premise of insulation and heat transfer effect, adhesion heating membrane 1 and heat transfer plate 22 can also be achieved, so that entire thick-film heating group
Part structure is simpler, convenient for batch production assembling, while also reducing the cost of entire thick film heating assembly.Meanwhile the biography
The outer surface of hot plate 22 is equipped with non-sticky coating, the technology effect realized that entire thick film heating assembly is free of cleaning and prevent bonding scale
Fruit.
Referring to fig. 4, the heat transfer layer 21 that insulate (does not mark) with a thickness of A in figure, wherein 0.01mm≤A≤0.015mm, specifically
It is 0.012mm, so that insulation heat transfer layer 21 has good insulation effect, while convenient for conducting heat, in the present embodiment, insulation is passed
Thermosphere, can be 700 DEG C of heatproof or more using thermally conductive high-temperature insulation silica gel, and insulating heat-conductive effect is preferable, and certainly, this is specially
Benefit is without being limited thereto using material, other meet corresponding high temperature resistant, insulation, thermally conductive material.The heat transfer plate 22 with a thickness of B
(not marking in figure), wherein 1mm≤B≤2mm, is specifically 1.5mm, so that entire thick film heating assembly has better structure
Intensity and heating efficiency, in the present embodiment, heat transfer plate 22 is using stainless steel plate, and certainly, this patent is not limited to using material
This, other meet high temperature resistant, thermally conductive material.
Referring to Fig. 1 and Fig. 4, insulation heat transfer box body 2 includes the frame 23 around 1 periphery of heating membrane setting, the frame
23 match with the shape of heating membrane 1, and the frame 23 and the insulation heat transfer layer 21 and/or heat transfer plate 22 are tightly connected, and pass through
23 coordinated insulation heat transfer layer 21 of frame protects heating membrane 1, and guarantee will not leak electricity；Entire thick film can also be promoted simultaneously to add
The structural strength of hot component avoids deforming.It is to be appreciated that being to cooperate heat transfer plate 22 to heating membrane by frame 23
1 is protected, or coordinated insulation heat transfer layer 21 and heat transfer plate 22 protect heating membrane 1 simultaneously by frame 23, accordingly
, above-mentioned technical effect also may be implemented.
Referring to Fig. 1 and Fig. 4, heating membrane 1 is equipped with the pin 11 being connected with heater circuit, which passes through the frame
23 extend to the outside of insulation heat transfer box body 2, and the pin 11 and the frame 23 sealing cooperate, and connect external confession by pin 11
Circuit is, it can be achieved that be powered on, while the pin 11 and the frame 23 sealing cooperate, to guarantee that there is no electric leakage wind
Danger.
Referring to Fig. 1, in addition, in the present embodiment, thick film heating assembly further includes fixing seat 3, the insulation conduct heat box body 2 with should
Fixing seat 3 is connected, and fixing seat 3 is equipped with the connection structure of connection external devices, that is, passes through fixing seat 3 for the box body 2 that conducts heat that insulate
Fixed in external devices, to be heated to the medium in external devices, meanwhile, the pin 11 be set to insulation heat transfer box body 2 with
The opposite side of the fixing seat 3, i.e. pin 11 are located at installation end, so that promoting assembly efficiency convenient for assembling.
Referring to Fig. 1, it is possible to understand that ground, although in the present embodiment, insulation heat transfer box body 2 is structure symmetrical above and below, this reality
Not limited to this with novel embodiment, in another embodiment, insulation about 2 box body of heat transfer may be designed as unsymmetrical knot
Setting, that is, number of plies of structure, i.e., each interlayer can also be different, and satisfaction has the effect of insulating and conduct heat.
Referring to fig. 4, it is possible to understand that ground, insulation heat transfer layer 21 thickness A may be 0.01mm or 0.011mm or
0.013mm or 0.014mm or 0.015mm, as long as meeting 0.01mm≤A≤0.015mm.
Referring to fig. 4, it is possible to understand that ground, the thickness B of heat transfer plate 22 may be 1mm or 1.2mm or 1.4mm or 1.6mm or
1.8mm or 2mm, as long as meeting 1mm≤B≤2mm.
Embodiment two:
As shown in figure 5, the heating membrane 1 is not in planar chip what is different from the first embodiment is that the difference of the present embodiment exists
Shape forms cylindrical shape into bending, correspondingly, insulation heat transfer box body 2 is also the cylindrical shape to match with heating membrane 1, as a result,
It is achievable to form bigger heating surface (area) (HS, to reach better heating effect.
As shown in figure 5, it is to be appreciated that the shape that 1 bending of heating membrane is formed is not limited to above-mentioned cylindrical shape, it can be with
More use occasion needs bending to form other three-dimensional shapes, correspondingly, it also may be implemented to reach preferably heating effect
Fruit.
As described above, the only preferred embodiment of the utility model not is used to limit the reality of the utility model
Apply range, i.e., it is all according to equivalent changes and modifications made by the utility model, it is all that the utility model claims range is covered,
Here it no longer illustrates one by one.
Claims (9)
1. a kind of thick film heating assembly, including heating membrane, the heating membrane includes heating the substrate and on heating the substrate
Heater circuit, it is characterised in that: further include the insulation heat transfer box body of the hermetically sealed heating membrane, insulation heat transfer box
Body includes the first heat-transfer area corresponding with heating membrane upper and lower surface and the second heat-transfer area, first heat-transfer area and second
Heat-transfer area is used to heat external medium, and the power density of the heating membrane is X, X≤50W/cm2。
2. a kind of thick film heating assembly according to claim 1, it is characterised in that: the insulation heat transfer box body and heating film
The opposite one side in piece upper surface, including insulation heat transfer layer and heat transfer plate, the insulation heat transfer layer are set to the heating membrane and biography
Between hot plate, the outer surface of the heat transfer plate forms first heat-transfer area；The insulation heat transfer box body and heating membrane following table
The opposite one side in face, including insulation heat transfer layer and heat transfer plate, the insulation heat transfer layer set on the heating membrane and heat transfer plate it
Between, the outer surface of the heat transfer plate forms second heat-transfer area.
3. a kind of thick film heating assembly according to claim 2, it is characterised in that: the insulation heat transfer layer is insulation heat transfer
Glue, the insulation heat transfer gluing are connected between the heating membrane and the heat transfer plate.
4. a kind of thick film heating assembly according to claim 2, it is characterised in that: it is described insulation heat transfer layer with a thickness of
A, 0.01mm≤A≤0.015mm；The heat transfer plate with a thickness of B, wherein 1mm≤B≤2mm.
5. a kind of thick film heating assembly according to claim 2, it is characterised in that: the outer surface of the heat transfer plate is equipped with not
It is stained with coating.
6. a kind of thick film heating assembly according to claim 1 or 2, it is characterised in that: insulation heat transfer box body includes
Around the frame of heating membrane periphery setting, the shape of the frame and heating membrane matches, the frame with it is described
Insulation heat transfer layer and heat transfer plate are tightly connected.
7. a kind of thick film heating assembly according to claim 6, it is characterised in that: the heating membrane is equipped with and heating
The connected pin of circuit, the pin pass through the outside that the frame extends to the insulation heat transfer box body, the pin and institute
State bezel seal cooperation.
8. a kind of thick film heating assembly according to claim 7, it is characterised in that: it further includes fixing seat, the insulation
Heat transfer box body is connected with the fixing seat, and the pin is set to the insulation heat transfer box body side opposite with the fixing seat.
9. a kind of thick film heating assembly according to claim 1 or 2 or 3, it is characterised in that: the heating membrane is in plane
The three-dimensional shape that sheet or bending are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821452239.2U CN209089260U (en) | 2018-08-29 | 2018-08-29 | A kind of thick film heating assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821452239.2U CN209089260U (en) | 2018-08-29 | 2018-08-29 | A kind of thick film heating assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209089260U true CN209089260U (en) | 2019-07-09 |
Family
ID=67115934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821452239.2U Expired - Fee Related CN209089260U (en) | 2018-08-29 | 2018-08-29 | A kind of thick film heating assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209089260U (en) |
-
2018
- 2018-08-29 CN CN201821452239.2U patent/CN209089260U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190709 Termination date: 20200829 |
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| CF01 | Termination of patent right due to non-payment of annual fee |