CN203219515U - Thick membrane liquid heater - Google Patents
Thick membrane liquid heater Download PDFInfo
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- CN203219515U CN203219515U CN 201320229202 CN201320229202U CN203219515U CN 203219515 U CN203219515 U CN 203219515U CN 201320229202 CN201320229202 CN 201320229202 CN 201320229202 U CN201320229202 U CN 201320229202U CN 203219515 U CN203219515 U CN 203219515U
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- heated substrates
- sealing plate
- lug
- thick film
- heated
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Abstract
The utility model relates to a thick membrane liquid heater comprising a heating substrate. A thick membrane circuit is printed at one side of the heating substrate; and external contacts are arranged at one end of the heating substrate. The one end, provided with the external contacts, of the heating substrate is provided with a first lug for welding and sealing. A sealing board for sealing the thick membrane circuit of the heating substrate is sealed at one side, printed with the thick membrane circuit, of the heating substrate; and an insulating layer is arranged at the sealing board and particularly, at a sealing surface wherein the sealing board is sealed at the heating substrate. One end of the sealing board is provided with a welding portion for sealing and welding, wherein the position of the welding portion corresponds to the position of the first lug. According to the utility model, the single heating substrate is sealed at the sealing board and thus the heater can be directly connected with a flange plate or other sealing elements, thereby avoiding contact with to-be-heated liquid. And the independent sealing mode of the single heating substrate enables a heat-exchange surface of the heater to be increased exponentially.
Description
Technical field
The utility model relates to fluid electric heating device technical field, relates in particular to a kind of thick film liquid heater.
Background technology
The thick film heating technique is at a substrate; as adopting the thick film silk-screen printing technique on stainless-steel sheet, pottery, glass or the aluminium alloy plate; successively print dielectric, heating resistor, conductor and insulating protective layer at substrate, the heater element that forms through high temperature sintering.Thick film heat energy printing technology is ripe gradually at present, has the advantages that heat conductivility is good, area of dissipation is big and security performance is high, is widely used in heating fields such as various household electrical appliances, instruments because its heat efficiency is high.
But, the present designing requirement that does not also reach utilization in full force and effect for efficient and the performance of fluid heating, as being used for making the thick film heater of water heater in the prior art, its general two heating plates applyings and welded seal of adopting, to avoid contacting between thick film circuit and the fluid to be heated on the heating plate, such design makes the heat exchange of heater be confined to fail fully effectively to utilize its heat efficiency on two faces of heating plate.And, this heater in use owing to fit in the no gap of two heating plates, reduced the heat dispersion of heater, very easily cause the heater internal temperature too high, make heater surfaces easily produce incrustation scale or cause heater texturing and burn above-mentioned useful life of all reducing heater.
Summary of the invention
Technical problem to be solved in the utility model is to have heating plate working temperature height, radiating efficiency is low, yielding and heat efficiency utilance is low the problems referred to above at existing heater, provides that a kind of heating plate working temperature is lower, radiating efficiency is high, the thick film liquid heater of heat efficiency utilance height, long service life and ease of assembly.
For addressing the above problem, the technical solution of the utility model is:
A kind of thick film liquid heater, comprise that one has the heated substrates of heat conductivility, be printed with thick film circuit on the one side of heated substrates, one end of heated substrates is provided with the external contact for the thick film circuit cabling, the end that described heated substrates is provided with external contact is provided with first lug for welded seal, heated substrates is printed with the sealing plate that is sealed with on the one side of thick film circuit for thick film circuit on the heated sealed substrate, be provided with insulating barrier on the sealing plate, insulating barrier is arranged on the sealing surface of sealing plate with the heated substrates sealing, sealing plate an end be provided with weld part for seal welding, the position of weld part is corresponding with the position of first lug.
Be compared to prior art, thick film liquid heater of the present utility model is sealed in the monolithic heated substrates on the sealing plate, and with weld part on the sealing plate heater can directly be connected by first lug on the heated substrates with ring flange or other seal, avoided and the contacting of liquid to be heated; The independent sealed mode increase at double of monolithic heated substrates the heat exchange area of heater, further improved the radiating efficiency of heater, thereby effectively reduced the working temperature of heater, improved anti-scaling property and the useful life of heater.
Preferably, it is stepped that the end that described heated substrates is provided with external contact is two rank, external contact is arranged on the side of first ladder, and described first lug is arranged on the vertical edges of second ladder and extends to whole first ladder, and first lug deviates from the one side that heated substrates is provided with thick film circuit; Described weld part is second lug of the welding of sealing plate one end or bending, and second lug deviates from heated substrates one side, and first lug is concordant with second lug.The stepped design of heated substrates one end and the design of second lug, the damage that when having avoided welding thick film circuit has been caused, and first ladder extends to outside first lug and the plane, the second lug place, make heater can after finishing assembling, carry out the electric welding of outer contacting point, reduced the complexity of heater processing assembling.
Preferably, described sealing plate is tabular, heated substrates be provided with for the border of sealing plate welded seal plate, the border is arranged on one side of the external relatively contact of heated substrates and the dual-side of heated substrates, sealing plate is with the border welding of heated substrates.Flat sealing plate adopts the fixing seals of minimum area to seal thick film circuit, makes area of dissipation maximization and the rate of heat dissipation of heater the highest.
Preferably, the trough rim that is equipped with on three sides of second lug for welding is not set on the described sealing plate, the trough rim of projection is welded on three sides of heated substrates on the sealing plate.The sealing plate of groove shape has guaranteed the bonding strength between sealing plate and the heated substrates.
Preferably, be coated with the thermal conductive silicon glue-line on the described insulating barrier.The thermal conductive silicon glue-line has increased the heat conduction between heated substrates and the sealing plate.
Preferably, described first lug is arranged on the top that heated substrates is provided with external contact, and first lug deviates from the one side that heated substrates is provided with thick film circuit; Described sealing plate is the groove shape body of a side opening, sealing plate openend corresponding with the position of first lug, sealing plate openend be sealing plate weld part, on the sealing plate projection trough rim be welded on three sides of heated substrates, described insulating barrier is air insulating layer.The damage that when first lug and weld part have been avoided welding thick film circuit has been caused, be provided with air insulating layer between heated substrates and the sealing plate, make heater can after finishing assembling, carry out the electric welding of outer contacting point, reduced the complexity of the processing assembling of heater.
Preferably, described sealing plate openend be provided with the 3rd lug for seal welding, the 3rd lug deviates from heated substrates one side, the 3rd lug and sealing plate openend be sealing plate weld part.The design of the 3rd lug has guaranteed that sealing plate is with the bonding strength between other connector.
Preferably, together be welded to connect ring flange on described weld part and first lug.Ring flange directly links to each other with the housing of liquid to be heated, is used for the external of heater inner lead.
Preferably, described heater also comprises having same structure second heated substrates, and heated substrates and second heated substrates be arranged in parallel, and heated substrates and second heated substrates are welded on the same ring flange.Two heated substrates are used for satisfying the requirement of different heating device heating power, also guarantee the area of dissipation of two heated substrates under co-operation simultaneously, effectively raise radiating efficiency.
Preferably, described heater outer surface is coated with the fluorine resin coating layer.The fluorine resin coating layer has characteristics high temperature resistant, anticorrosion, antiscale, the useful life that is conducive to improve heater.
Description of drawings
Fig. 1 is the decomposition texture schematic diagram of embodiment 1 in the utility model thick film liquid heater.
Fig. 2 be among the utility model thick film liquid heater embodiment 1 shallow box-like sealing plate structural representation.
Fig. 3 is the package assembly schematic diagram of embodiment 1 in the utility model thick film liquid heater.
Fig. 4 is the decomposition texture schematic diagram of embodiment 2 in the utility model thick film liquid heater.
Fig. 5 is the package assembly schematic diagram of embodiment 2 in the utility model thick film liquid heater.
Embodiment
Further describe the utility model below in conjunction with drawings and Examples, but protection range of the present utility model is not limited to this.
Embodiment 1:
With reference to Fig. 1, thick film liquid heater of the present utility model comprises that one has the heated substrates 1 of heat conductivility, heated substrates 1 is stainless-steel sheet or the aluminium alloy plate on plane, the shape of heated substrates 1 can be different shape common in the prior art, and the utility model is that example describes with the heated substrates 1 of common cuboid.Be printed with thick film circuit 2 on the one side of heated substrates 1, an end of heated substrates 1 is provided with the external contact 5 for the thick film circuit cabling.
It is stepped that the end that described heated substrates 1 is provided with external contact 5 is two rank, external contact 5 is arranged on the side of first ladder 3, be welded with first lug 6 for welded seal on the vertical edges of second ladder 4, first lug 6 extends on whole first ladder, first lug 6 is strip, and the protrusion direction of first lug 6 deviates from the one side that heated substrates 1 is provided with thick film circuit 2.Heated substrates 1 is printed with the sealing plate 7 that is sealed with on the one side of thick film circuit 2 for thick film circuit 2 on the heated sealed substrate 1, sealing plate 7 is provided with insulating barrier, insulating barrier is that glass glaze is silica, insulating barrier is arranged on the sealing surface of sealing plate 7 and heated substrates 1 sealing, is coated with the thermal conductive silicon glue-line on the insulating barrier.When heated substrates 1 welds with sealing plate 7, coated with thermally conductive layer of silica gel on the insulating barrier of sealing plate 7, the thermal conductive silicon glue-line is used for the Homogeneouslly-radiating of auxiliary heated substrates 1.
One end of sealing plate 7 is provided with the weld part for seal welding, and the position of weld part is corresponding with the position of first lug 6.Weld part is that second lug, 8, the second lugs 8 of the welding of sealing plate 7 one ends or bending deviate from a side of heated substrates 1, and first lug 6 is concordant with second lug 8, and the combination of sealing plate 7 and second lug 8 makes sealing plate 7 be letter " L " shape.The part that sealing plate 7 does not comprise second lug 8 can be tabular, heated substrates 1 be provided with for the border 1.1 of sealing plate 7 welded seal plates, border 1.1 is arranged on one side of the external relatively contact 5 of heated substrates 1 and the dual-side of heated substrates 1, and sealing plate 7 welds with the border 1.1 of heated substrates 1.This border 1.1 is thick film circuit 2 in the position that heated substrates 1 is reserved, and namely thick film circuit 2 is printed on the middle part of heated substrates 1, and the outer ring of thick film circuit 2 is border 1.1 parts.With reference to Fig. 2, sealing plate 7 also can be for similar shallow box-packed, and the trough rim 7.1 that is equipped with on three sides of second lug 8 for welding is not set on the sealing plate 7, and the trough rim 7.1 of projection is welded on three sides of heated substrates 1 on the sealing plate 7.
With reference to Fig. 3, when installing and using, weld part and first lug 6 together on the welding flange 9, are made firm being connected on the ring flange 9 of heater, be welded with the temperature-sensitive pipe for the laying temperature transducer on the ring flange 9.The heater outer surface is coated with the fluorine resin coating layer, and the fluorine resin coating layer has characteristics high temperature resistant, anticorrosion, antiscale, the useful life that is conducive to improve heater.Described heater can also comprise having same structure second heated substrates 11, heated substrates 10 and second heated substrates 11 be arranged in parallel, heated substrates 10 herein and the veneer heater of second heated substrates 11 for sealing, heated substrates 10 and second heated substrates 11 are welded on the same ring flange 9, and heater also can directly be welded on the container.
Thick film liquid heater of the present utility model is made as follows:
Step 1: according to the power designs requirement of heated substrates 1, select area size and the thickness of heated substrates 1, power is big, the corresponding increasing of the area of heated substrates 1, the thickness of heated substrates 1 is corresponding thickening also, it is too high and cause heated substrates 1 to occur bending and deformation to reduce when heating temperature like this, and thick film resistive heating circuit power is generally 40～60W/Cm
2The area of heated substrates 1 and thickness can be selected according to the needs of user power, and the area power with every square centimeter in the present embodiment is 25w, and thickness is that 1.2-2mm is that example describes.It is the stainless-steel sheet of SUS444 or 316 that heated substrates 1 and sealing plate 7 are selected model, the model that adopts than traditional silk-screened because of the stainless-steel sheet of these two models is 430,304, the adhesion strength of SU314 stainless-steel sheet and resistance slurry is stronger, coefficient of thermal expansion is littler, antiseptic and rustproof performance is better, and thermal conduction effect is better.
Step 2: the design needs according to step 1 shut out two block length square plates with stainless-steel sheet, and one as heated substrates 1, and another piece is as sealing plate 7.At an end cutting breach of heated substrates 1, it is stepped to make an end of heated substrates 1 be two rank, and is used for first lug 6 of welded seal in the vertical edges welding of second ladder 4, and first lug 6 is extended on first ladder 3.End welding or die casting at sealing plate 7 go out i.e. second lug 8 of weld part, also can be at other three side die casting trough rim 7.1 of sealing plate 7, and trough rim 7.1 can be selected as required.
Step 3: carry out silk screen printing dielectric glass glaze at heated substrates 1; and according to heating resistor line map printing heating resistor and conductor paste; republish the insulating protective layer glass glaze; make to form thick film circuit 2, reserve the welding interface 1.1 of 7-11mm and do not do reservation at heated substrates 1 periphery in the time of can being chosen in the printed glass glaze.Be glass glaze at sealing plate 7 printing insulating barriers, then heated substrates 1 and sealing plate 7 sent into 850 degree high temperature sintering furnaces and carry out sintering.
Step 4: obtain heated substrates 1 and sealing plate 7 by above-mentioned steps, and smear the High temperature and insulating heat conductive silicone grease at the sealing surface of sealing plate 3, the heated substrates 1 and sealing plate 7 welding of thick film circuit 2 one sides will be printed with, two plates merging back is welded with temperature reduction technology or adhering and sealing is fixed, and welding manner can adopt the weldering of argon fluorine, Laser Welding etc.
Step 5: select to be provided with the ring flange 9 of through hole, and default temperature-sensitive pipe, respectively first lug 6 and second lug 8 are welded on the ring flange 9, make first ladder 3 extend to the outside of ring flange 9, and smear the high-temperature resistant anti-corrosive silicone grease in the place of welding.
Step 6: the whole heater surfaces process blasting treatment that welding fixes, sintering behind the spraying fluorine resin coating layer, the fluorine resin coating layer has the characteristics of high temperature resistant, anticorrosion and antiscale.
Step 7: high temperature wire is welded on the external contact 5 at last.
The thick film liquid heater of present embodiment is sealed in monolithic heated substrates 1 on the sealing plate 7, and with weld part on the sealing plate 7 heater can directly be connected by first lug 6 on the heated substrates 1 with ring flange 9 or other seal, avoided and the contacting of liquid to be heated, reached the isolation fully of liquid to be heated and power supply.The independent sealed mode increase at double of monolithic heated substrates 1 heat exchange area of heater, the heat of utilizing the thermal conductive silicon glue-line to increase between heated substrates 1 and the sealing plate 7 is conducted, further improved the radiating efficiency of heater, thereby effectively reduced the working temperature of heater, improved anti-scaling property and the useful life of heater.The stepped design of heated substrates 1 one ends and the design of second lug 8, the damage that when having avoided welding thick film circuit 2 has been caused, and first ladder extends outside 3 to first lugs 6 and the plane, second lug, 8 place, make heater can after finishing assembling, carry out the welding of outer contacting point 5, reduced the complexity of the processing assembling of heater.
Present embodiment is to be that 25w is that example describes with every square centimeter area power on the every heated substrates, and in the prior art owing to be two heated substrates applying welded seals, if the heating power of every heated substrates is identical, then every square centimeter area power is far longer than 25w, therefore, when heating, the temperature of heated substrates will be higher than the temperature of heated substrates in the present embodiment far away in the prior art.Simultaneously, can be according to bubble and the sound of two kinds of heaters in heating process, the temperature rise situation when judging its heating also can be judged the working temperature of the heated substrates in the present embodiment far below the temperature of heated substrates in the prior art.
Embodiment 2:
Be the structure of heated substrates 1, sealing plate 7 with the difference among the embodiment 1, and be connected sealing means between heated substrates 1 and the sealing plate 7, other structure and manufacture method all with embodiment 1 in roughly the same, please refer to embodiment 1, do not repeat them here, describe the concrete structure among the embodiment 2 below in detail.
With reference to Fig. 4, the thick film liquid heater of present embodiment comprises heated substrates 1, is printed with thick film circuit 2 on the one side of heated substrates 1, and an end of heated substrates 1 is provided with the external contact 5 for the thick film circuit cabling.The end that heated substrates 1 is provided with external contact 5 is provided with first lug 6 for welded seal, first lug 6 is arranged on the top that heated substrates 1 is provided with external contact 5, namely first lug 6 is welded on the side of heated substrates 1, and first lug 6 deviates from the one side that heated substrates 1 is provided with thick film circuit 2.Heated substrates 1 is printed with the sealing plate 7 that is sealed with on the one side of thick film circuit 2 for thick film circuit 2 on the heated sealed substrate 1, and an end of sealing plate 7 is provided with the weld part for seal welding, and the position of weld part is corresponding with the position of first lug 6.The groove shape body that described sealing plate 7 is a side opening, the openend 13 of sealing plate 7 is corresponding with the position of first lug 6, the openend 13 of sealing plate 7 is the weld part of sealing plate 7, the trough rim 7.1 of projection is welded on three sides of heated substrates 1 on the sealing plate 7, and described insulating barrier is air insulating layer.Also the 3rd lug 14, the three lugs 14 that can be used for seal welding in openend 13 welding of sealing plate 7 deviate from a side of heated substrates 1, and the openend 13 of the 3rd lug 14 and sealing plate 7 is the weld part of sealing plate 7, and the 3rd lug 14 is concordant with first lug 6.
With reference to Fig. 5, when installing and using, weld part and first lug 6 together on the welding flange 9, are made firm being connected on the ring flange 9 of heater, be welded with the temperature-sensitive pipe 12 for the laying temperature transducer on the ring flange 9.The heater outer surface is coated with the fluorine resin coating layer, and the fluorine resin coating layer has characteristics high temperature resistant, anticorrosion, antiscale, the useful life that is conducive to improve heater.Described heater can also comprise having same structure second heated substrates 16, heated substrates 15 and second heated substrates 16 be arranged in parallel, heated substrates 15 herein and the veneer heater of second heated substrates 16 for sealing, heated substrates 15 and second heated substrates 16 are welded on the same ring flange 9.
Groove shape sealing plate 7 in the present embodiment has guaranteed the bonding strength between sealing plate 7 and the heated substrates 1, its beneficial effect is with reference to embodiment 1, but all sealed plate 7 coatings of three sides because of its heated substrates 1, employing is every empty welded seal, its heat dispersion slightly reduces than the heat dispersion among the embodiment 1, but be compared to prior art, then be significantly improved.
The heater of two heated substrates assemblings mentioning among embodiment 1 and the embodiment 2, owing to influencing each other between two heated substrates, its heat dispersion will descend to some extent compared to the heater of monolithic heated substrates, but in contrast to the heater of two heated substrates applying welded seals in the prior art, its area of dissipation with regard to whole increase by one times, therefore, when heating, the temperature of heated substrates will be higher than the temperature of heated substrates in the present embodiment far away in the prior art.Simultaneously, the temperature rise of volume in finite time and the conversion of heater self-radiating by liquid to be heated, heater in the present embodiment is when work as can be known, its working temperature only exceeds the 20-25 degree than the temperature of liquid to be heated, and the heating-up temperature of general rapid heater is no more than 75 degree, so the Controllable Temperature of the interior heated substrates of heater is in 100 degree in the present embodiment, thereby effectively reduced the working temperature of heater, overcome the shortcoming of the yielding and easy fouling of heater surfaces of heated substrates, anti-scaling property and the useful life of having improved heater.
In the above-mentioned explanation, all special instructions that do not add all adopt technological means of the prior art.
Claims (10)
1. thick film liquid heater, comprise that one has the heated substrates of heat conductivility, be printed with thick film circuit on the one side of heated substrates, one end of heated substrates is provided with the external contact for the thick film circuit cabling, it is characterized in that, the end that described heated substrates is provided with extraneous contact is provided with first lug for welded seal, heated substrates is printed with the sealing plate that is sealed with on the one side of thick film circuit for thick film circuit on the heated sealed substrate, be provided with insulating barrier on the sealing plate, insulating barrier is arranged on the sealing surface of sealing plate with the heated substrates sealing, sealing plate an end be provided with weld part for seal welding, the position of weld part is corresponding with the position of first lug.
2. thick film liquid heater according to claim 1, it is characterized in that, it is stepped that the end that described heated substrates is provided with external contact is two rank, external contact is arranged on the side of first ladder, described first lug is arranged on the vertical edges of second ladder and extends to whole first ladder, and first lug deviates from the one side that heated substrates is provided with thick film circuit; Described weld part is second lug of the welding of sealing plate one end or bending, and second lug deviates from heated substrates one side, and first lug is concordant with second lug.
3. thick film liquid heater according to claim 2, it is characterized in that, described sealing plate is tabular, heated substrates be provided with for the border of sealing plate welded seal plate, the border is arranged on one side of the external relatively contact of heated substrates and the dual-side of heated substrates, and sealing plate is with the border welding of heated substrates.
4. thick film liquid heater according to claim 2 is characterized in that, the trough rim that is equipped with on three sides of second lug for welding is not set on the described sealing plate, and the trough rim of projection is welded on three sides of heated substrates on the sealing plate.
5. according to claim 3 or 4 described thick film liquid heaters, it is characterized in that, be coated with the thermal conductive silicon glue-line on the described insulating barrier.
6. thick film liquid heater according to claim 1 is characterized in that, described first lug is arranged on the top that heated substrates is provided with external contact, and first lug deviates from the one side that heated substrates is provided with thick film circuit; Described sealing plate is the groove shape body of a side opening, sealing plate openend corresponding with the position of first lug, sealing plate openend be sealing plate weld part, on the sealing plate projection trough rim be welded on three sides of heated substrates, described insulating barrier is air insulating layer.
7. thick film liquid heater according to claim 6, it is characterized in that, described sealing plate openend be provided with the 3rd lug for seal welding, the 3rd lug deviates from heated substrates one side, the 3rd lug and sealing plate openend be sealing plate weld part.
8. according to claim 1 or 2 or 6 described thick film liquid heaters, it is characterized in that, together be welded to connect ring flange on described weld part and first lug.
9. thick film liquid heater according to claim 8, it is characterized in that, described heater also comprises having same structure second heated substrates, and heated substrates and second heated substrates be arranged in parallel, and heated substrates and second heated substrates are welded on the same ring flange.
10. thick film liquid heater according to claim 1 is characterized in that, described heater outer surface is coated with the fluorine resin coating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320229202 CN203219515U (en) | 2013-04-28 | 2013-04-28 | Thick membrane liquid heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320229202 CN203219515U (en) | 2013-04-28 | 2013-04-28 | Thick membrane liquid heater |
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| Publication Number | Publication Date |
|---|---|
| CN203219515U true CN203219515U (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320229202 Expired - Fee Related CN203219515U (en) | 2013-04-28 | 2013-04-28 | Thick membrane liquid heater |
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| CN (1) | CN203219515U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104202849A (en) * | 2014-08-28 | 2014-12-10 | 安徽艾可蓝节能环保科技有限公司 | Electrically heated unfreezing sheet |
| CN105101497A (en) * | 2015-08-06 | 2015-11-25 | 沈茂枫 | Submerged-type thick film heater with bowl-type flange |
| CN107343330A (en) * | 2017-07-26 | 2017-11-10 | 湖南利德电子浆料股份有限公司 | A kind of thick film hybrid（HIC）Zone of heating and its heater |
| CN109386953A (en) * | 2018-11-28 | 2019-02-26 | 浙江亮能机电科技有限公司 | A kind of aluminium alloy thick film chip heating device that constant temperature machine uses |
-
2013
- 2013-04-28 CN CN 201320229202 patent/CN203219515U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104202849A (en) * | 2014-08-28 | 2014-12-10 | 安徽艾可蓝节能环保科技有限公司 | Electrically heated unfreezing sheet |
| CN105101497A (en) * | 2015-08-06 | 2015-11-25 | 沈茂枫 | Submerged-type thick film heater with bowl-type flange |
| CN105101497B (en) * | 2015-08-06 | 2018-04-20 | 沈茂枫 | Bowl formula flange descending thick film heater |
| CN107343330A (en) * | 2017-07-26 | 2017-11-10 | 湖南利德电子浆料股份有限公司 | A kind of thick film hybrid（HIC）Zone of heating and its heater |
| CN109386953A (en) * | 2018-11-28 | 2019-02-26 | 浙江亮能机电科技有限公司 | A kind of aluminium alloy thick film chip heating device that constant temperature machine uses |
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| C14 | Grant of patent or utility model | ||
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Owner name: SHEN MINJIANG Free format text: FORMER OWNER: ZHEJIANG XIDESI ELECTRIC CO., LTD. Effective date: 20150518 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 311121 HANGZHOU, ZHEJIANG PROVINCE TO: 313008 HUZHOU, ZHEJIANG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150518 Address after: 73-75 No. 313008 Huzhou City, Zhejiang Province town of Wuxing Road Patentee after: Shen Minjiang Address before: Yuhang District, Hangzhou City, Zhejiang Province, 311121 West No. 1500 building 3 room 226 Patentee before: Zhejiang Xidesi Electrical Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20160428 |