CN104507188B - Vertical type thick film heater - Google Patents
Vertical type thick film heater Download PDFInfo
- Publication number
- CN104507188B CN104507188B CN201410785782.4A CN201410785782A CN104507188B CN 104507188 B CN104507188 B CN 104507188B CN 201410785782 A CN201410785782 A CN 201410785782A CN 104507188 B CN104507188 B CN 104507188B
- Authority
- CN
- China
- Prior art keywords
- thick film
- heating substrate
- connecting hole
- heating
- flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 83
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 239000000758 substrate Substances 0.000 claims description 62
- 238000003466 welding Methods 0.000 claims description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- 239000011737 fluorine Substances 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011247 coating layer Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000007651 thermal printing Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Landscapes
- Surface Heating Bodies (AREA)
- Resistance Heating (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The invention discloses a vertical type thick film heater, which comprises a flange, a regular polygon shaped sealing plate and a plurality of heating base plates with the same size and shape and heat-conducting property, wherein the heating base plates are in sealed connection and form a hollow cylinder with a regular polygon shaped cross section in a surrounding way; a regular polygon shaped connecting hole is formed in the flange; a thick film circuit is printed on the inner surface of each heating base plate; external contact points for routing each thick film circuit and a first connecting end are arranged on one end of the inner surface of each heating base plate; a second connecting end is arranged on the other end of the inner surface of each heating base plate; the width of each heating base plate is consistent to the side length of the connecting hole; the number of the heating base plates, the side number of the connecting hole, and the side number of the sealing plate are the same; the heating base plates are in fixed and sealed connection with the connecting hole of the flange through the first connecting ends; the heating base plates are in fixed and sealed connection with the seal plate through the second connecting ends. The vertical type thick film heater is high in heat efficiency, quicker in heating speed, high in ratio of exudative water, more energy-saving, low in manufacturing cost, convenient to install, and stronger in adaptability.
Description
Technical field
The present invention relates to fluid electric heating device technical field, refer in particular to a kind of vertical thick film heater.
Background technology
Thick-film heating technology is to adopt thick film screen typography on one piece of substrate, successively printing dielectric, adding thermal resistance, conductor and insulating protective layer, the heater element through high temperature sintering on substrate.Thick film thermal printing techniques have the characteristics that heat conductivility is good, area of dissipation is big and security performance is high, but, efficiency and performance for fluid heating are also not reaching to the design requirement of fully effective utilization at present.As being used in prior art making the thick film heater of water heater, it typically adopts two pieces of heating plates laminatings welded seals, to avoid the contact between the thick film circuit in heating plate and hot fluid to be added, but heating plate need to be with fluid isolation to be heated because of energising requirement, typically it is isolated in outside water heater housing by ring flange or other seal using by the heating plate one end being provided with external contact, to avoid leaking electricity.Such design, on the one hand the heat exchange of two pieces of heating plates in heater is made to be confined on two faces of heating plate, gapless laminating due to two pieces of heating plates, reduce the heat dispersion of heater, easily cause heater body temperature too high, so that heater surfaces is produced incrustation scale or lead to heater texturing and burn.On the other hand, heater is provided with one end of external contact and is isolated in outside ring flange or seal, wastes the heat exchange being provided with external contact heating plate one end during use, fail sufficiently effective using its thermal efficiency.
It is provided with the problems referred to above that heating plate one end heat exchange of external contact wastes for solving heater, Ye You manufacturer designs a kind of sealing means, this design so that heating substrate is fully sealed after by conduit mounting flange, conduit is used for the external of heater body wire, using conduit, ring flange is separated certain distance with heater, so that heater is completely immersed in hot liquid to be added, effectively raise the heat dispersion of heater, and sufficiently effective using its thermal efficiency.But, this heater, when installing and using, needs first high temperature wire to be welded on external contact, because the fusing point of pad is limited, resistant to elevated temperatures pad, when heater high-temperature sprays fluorine resin coating layer or other high-temperature operation, easily causes the damage of pad, reduces the overall performance of heater.On the other hand, due to being provided with certain spacing between heater and ring flange, also accordingly larger to the volume of heater housing, reduce the space availability ratio within heater housings, be unfavorable for that heater develops towards high-power, small size direction.
Content of the invention
Have that heating plate operating temperature is high, radiating efficiency is low, thermal efficiency utilization rate is low for conventional heater, in outer contacting point scolding tin easy damaged and heater case body low space utilization the problems referred to above, the invention provides a kind of heating plate operating temperature is low, radiating efficiency is high, thermal efficiency utilization rate is high, easy to assembly, external contact can finishing operation welding vertical thick film heater, efficiency of utilization is high, and spraying fluororesin is more convenient, is more uniformly distributed.
The technical solution adopted in the present invention is：A kind of vertical thick film heater, including a flange, the sealing plate of one piece of regular polygon and several sizes, shape is identical and heating substrate that have heat conductivility, it is tightly connected between heating substrate and surround the hollow cylinder that cross section is regular polygon, the connecting hole of regular polygon is offered on described flange, the inner surface of described heating substrate is printed with thick film circuit, one end of heating substrate inner surface is provided with external contact and the first connection end for thick film circuit cabling, the other end of heating substrate inner surface is provided with the second connection end, the width of heating substrate is consistent with the length of side of connecting hole, the quantity of heating substrate, the side number of connecting hole, the side number of sealing plate is identical, heating substrate passes through the connecting hole fixed seal connection of the first connection end and flange, heating substrate passes through the second connection end and sealing plate fixed seal connection.
The present invention can be exclusively used in boiler and the heater of Vertical Heat hydrophone and rapid steamer, and welding procedure is convenient, because heater is immersed in water all over, all heats are nearly all only absorbed by the water, and in pipe, temperature is very low, are sealing tops upper again, internal waste heat spreads heat transfer to top, and the thermal efficiency is high, and firing rate is faster, water rate is high, more energy-conservation, manufacture craft is simple simultaneously, low cost of manufacture, easy for installation, adaptability is higher.
Preferably, described heating substrate passes through the connecting hole position welding of the first connection end and flange.
Preferably, described heating substrate passes through the second connection end and sealing plate weld.
Preferably, the side number of described connecting hole is three or four with the quantity of heating substrate.The optimal selection of quantity is three, because triangle is structure the most firm.
Preferably, the outer surface of described heating substrate is coated with fluorine resin coating layer.The outer surface of heating substrate, after blasting treatment, sprays environment-friendly type food grade thermostable fluorine resin.
Preferably, described first connection end is the end face of heating substrate inner surface one end or the welding bar heating welding on substrate.During heating substrate and flange welding, can directly weld, also first can weld on heating substrate a welding bar again with flange welding, strengthen steadiness.
Preferably, described second connection end is the end face of the heating substrate inner surface other end or the welding bar heating welding on substrate.During heating substrate and flange welding, can directly weld, also first can weld on heating substrate a welding bar again with flange welding, strengthen steadiness.
Preferably, described connecting hole and sealing plate are in the same size.
Preferably, described flange is provided with the high-temperature silica gel mould with through wires hole, the shape of described high-temperature silica gel mould is adapted with connecting hole.
The invention has the beneficial effects as follows：The thermal efficiency is high, and faster, water rate is high, more energy-conservation for firing rate, and manufacture craft is simple simultaneously, low cost of manufacture, and easy for installation, adaptability is higher.
Brief description
Fig. 1 is a kind of structural representation of the present invention；
Fig. 2 is the structural representation of the heating substrate of thick film circuit of the present invention.
In figure, 1- heats substrate, 2- flange, 3- connecting hole, 4- thick film circuit, the external contact of 5-, 6- first connection end, 7- second connection end.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figure 1, a kind of vertical thick film heater, sealing plate including 2, one piece of equilateral triangle of a flange and three sizes, shape be identical and heating substrate 1 that have heat conductivility, it is tightly connected and surrounds the hollow triangular-prism that cross section is equilateral triangle between heating substrate 1, the two ends of hollow triangular-prism are respectively flange 2 and sealing plate.Flange 2 selects SUS444 stainless steel, flange 2 offers the connecting hole 3 of equilateral triangle, one end welded seal of connecting hole 3 and hollow triangular-prism, flange 2 is provided with the high-temperature silica gel mould with through wires hole, and the shape of high-temperature silica gel mould is adapted with connecting hole 3；SUS444 stainless steel selected by heating substrate 1, and the inner surface of heating substrate 1 is printed with thick film circuit 4, and the width of heating substrate 1 is consistent with the length of side of connecting hole 3, and the outer surface of heating substrate 1 is coated with fluorine resin coating layer；Sealing plate can directly from flange 2 stamping connecting hole 3 when the triangle corrosion resistant plate that obtains, adopt cooling technique welded seal in the other end of hollow triangular-prism.According to the area design power printing thick film circuit 2 of heating substrate 1, the power of every block of plate can be designed as 1500W, 2000W, 2500W as needed（As individual plates adopt 2500W, then general power can reach 7500W）, sinter thick-film heating plate into by 850 degree of high temperature curves.
As shown in Figure 2, one end of heating substrate 1 inner surface is provided with external contact 5 and the first connection end 6 for thick film circuit cabling, first connection end 6 is the welding bar of welding on heating substrate 1 inner surface one end, and heating substrate 1 passes through connecting hole 3 sealing welding of the first connection end 6 and flange 2；The other end of heating substrate 1 inner surface is provided with the second connection end 7, and the second connection end 7 is the welding bar of welding on the heating substrate 1 inner surface other end, and heating substrate 1 passes through the second connection end 7 and sealing plate sealing welding.External contact 5 is used for welding high-temperature resisting silica gel wire, and the high temperature resistant silica gel of weld carries out reinforcing insulated enclosure.
During use, the vertical use of the present invention, because heat flows away upward, the thermal efficiency utilization rate of the present invention is high, and spraying fluororesin is also convenient for and evenly, can be according to user power utilization environment, by changing every piece of heating power carrying the heating substrate 1 of thick film circuit 2, adjust overall power.
Embodiment 2
In embodiment 2, the quantity of heating substrate 1, the while number in number, sealing plate of connecting hole 3 are 4, and the first connection end 6 is the end face heating the substrate 1 inner surface other end for the end face of heating substrate 1 inner surface one end, the second connection end 7, other are identical with embodiment 1.
Certainly, heat the quantity of substrate 1 in the present invention, the while number in number, sealing plate of connecting hole 3 is not limited to 3 and 4 or 5 or more.
Above example technological thought only to illustrate the invention it is impossible to protection scope of the present invention is limited with this, every according to technological thought proposed by the present invention, any change done on the basis of technical scheme, each fall within protection scope of the present invention.
Claims (8)
1. a kind of vertical thick film heater it is characterised in that：Including a flange、The sealing plate of one piece of regular polygon and several vertical sizes、Shape is identical and heating substrate that have heat conductivility，It is tightly connected between heating substrate and surround the hollow cylinder that cross section is regular polygon，The connecting hole of regular polygon is offered on described flange，The inner surface of described heating substrate is printed with thick film circuit，One end of heating substrate inner surface is provided with external contact and the first connection end for thick film circuit cabling，The other end of heating substrate inner surface is provided with the second connection end，The width of heating substrate is consistent with the length of side of connecting hole，The quantity of heating substrate、The side number of connecting hole、The side number of sealing plate is identical，Heating substrate passes through the connecting hole fixed seal connection of the first connection end and flange，Heating substrate passes through the second connection end and sealing plate fixed seal connection，Described connecting hole and sealing plate are in the same size.
2. vertical thick film heater according to claim 1 it is characterised in that：Described heating substrate passes through the connecting hole position welding of the first connection end and flange.
3. vertical thick film heater according to claim 1 it is characterised in that：Described heating substrate passes through the second connection end and sealing plate weld.
4. vertical thick film heater according to claim 1 it is characterised in that：The side number of described connecting hole is three or four with the quantity of heating substrate.
5. vertical thick film heater according to claim 1 it is characterised in that：The outer surface of described heating substrate is coated with fluorine resin coating layer.
6. vertical thick film heater according to claim 1 and 2 it is characterised in that：Described first connection end is the end face of heating substrate inner surface one end or the welding bar heating welding on substrate.
7. vertical thick film heater according to claim 1 and 2 it is characterised in that：Described second connection end is the end face of the heating substrate inner surface other end or the welding bar heating welding on substrate.
8. vertical thick film heater according to claim 1 it is characterised in that：Described flange is provided with the high-temperature silica gel mould with through wires hole, and the shape of described high-temperature silica gel mould is adapted with connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410785782.4A CN104507188B (en) | 2014-12-18 | 2014-12-18 | Vertical type thick film heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410785782.4A CN104507188B (en) | 2014-12-18 | 2014-12-18 | Vertical type thick film heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104507188A CN104507188A (en) | 2015-04-08 |
| CN104507188B true CN104507188B (en) | 2017-02-22 |
Family
ID=52948885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410785782.4A Expired - Fee Related CN104507188B (en) | 2014-12-18 | 2014-12-18 | Vertical type thick film heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104507188B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201001205Y (en) * | 2007-01-30 | 2008-01-02 | 包之易 | Thick film heater |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6037574A (en) * | 1997-11-06 | 2000-03-14 | Watlow Electric Manufacturing | Quartz substrate heater |
| CN203443068U (en) * | 2013-04-28 | 2014-02-19 | 浙江西德斯电气有限公司 | Water storage quickly-instantaneously-heating electric water heater |
| CN204362329U (en) * | 2014-12-18 | 2015-05-27 | 沈闽江 | Vertical thick film heater |
-
2014
- 2014-12-18 CN CN201410785782.4A patent/CN104507188B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201001205Y (en) * | 2007-01-30 | 2008-01-02 | 包之易 | Thick film heater |
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| Publication number | Publication date |
|---|---|
| CN104507188A (en) | 2015-04-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190807 Address after: 313000 No. 1, 1st floor, No. 6 Park, 666 Qixing Road, Wuxing District, Huzhou City, Zhejiang Province Patentee after: Huzhou Sairong Technology Co.,Ltd. Address before: 310008 No. 73-75 Wuxing Avenue, Zhili Town, Wuxing District, Huzhou City, Zhejiang Province Patentee before: Shen Minjiang |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 |