CN2768369Y - Electric heating plate and its billet - Google Patents
Electric heating plate and its billet Download PDFInfo
- Publication number
- CN2768369Y CN2768369Y CN 200520053941 CN200520053941U CN2768369Y CN 2768369 Y CN2768369 Y CN 2768369Y CN 200520053941 CN200520053941 CN 200520053941 CN 200520053941 U CN200520053941 U CN 200520053941U CN 2768369 Y CN2768369 Y CN 2768369Y
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- CN
- China
- Prior art keywords
- base substrate
- electric hot
- electrothermal tube
- hot plate
- location notch
- 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 - Lifetime
Links
- 238000005485 electric heating Methods 0.000 title abstract description 17
- 239000000758 substrate Substances 0.000 claims description 54
- 238000003825 pressing Methods 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000003466 welding Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000005266 casting Methods 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 3
- 238000010411 cooking Methods 0.000 description 3
- 238000004512 die casting Methods 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000005354 aluminosilicate glass Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000011094 fiberboard Substances 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 235000021168 barbecue Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Resistance Heating (AREA)
Abstract
The utility model relates to an electric heating plate and a blank body thereof. The electric heating plate comprises an electric heating pipe and the blank body used for fixing the electric heating pipe, wherein the electric heating pipe comprises a curved sleeve pipe and an electric heating wire fixed in the sleeve pipe; the blank body forms a plate shape; the electric heating pipe is fixed on the blank body; the electric heating plate also comprises a press plate; a positioning slot used for fixing the electric heating pipe is formed on the press plate or the blank body; the trend of the positioning slot is consistent with the trend of the electric heating pipe; the press plate is welded and/or connected to the blank body by a fastening piece and enables the positioning slot to be completely covered. The utility model provides the electric heating plate and the blank body thereof of simple production technology, low cost, high heat conduction efficiency and safe use.
Description
[technical field]
The utility model relates to a kind of heating electrical appliance, and more particularly, the utility model relates to a kind of electric hot plate and base substrate thereof that utilizes electric energy to generate heat.
[background technology]
Electric hot plate is the heater members that is widely adopted on electric cooking appliance, electric heating device or other electrical heated appliance, and especially in present Chinese family in the almost indispensable electric chafing dish or electric cooker, electric hot plate all is a core heat generating components wherein.In order both to guarantee that heat can be radiated on the heat-obtaining position fully, equably; guarantee Electrical Safety and control efficiency again; electric hot plate in the present commercially available electrical equipment includes the electrothermal tube and the fixing sheet-shaped blank of electrothermal tube; electrothermal tube is bent to arc trend even spiral coil shape; electrothermal tube itself comprises outside protective casing again; heating wire then by all good fillers of electrical insulating property and heat conductivity for example the soild oxide of silica flour, glass fibre or some heat-conducting type fill and be embedded in this sleeve pipe central authorities, to keep the electric insulating state between heating wire and outer sleeve.According to the fixed form of electrothermal tube on sheet-shaped blank, electric hot plate mainly is divided into following two big classes: wherein a class is the die casting formula, promptly by die casting or casting, electrothermal tube is fixed in the middle of the casting sheet-shaped blank of outside.But too high because these method process conditions require, go out waste product easily, the manufacturing cost height of electric hot plate.Another kind of is tight fitting type, promptly at first cast the sheet-shaped blank that obtains with location notch, then electrothermal tube is placed in the groove of sheet-shaped blank, makes the cell wall of sheet-shaped blank produce plastic deformation with forcing press again, make electrothermal tube be engaged in by extruding tightly in the groove of sheet-shaped blank and be fixed.The electric hot plate product of the type, because in use repeatedly, constantly stand to add the ringing of thermal expansion, cooling contraction, make easily matching loose between the cell wall of the electrothermal tube that was in the tight fit relation originally and sheet-shaped blank, cause the heat efficiency to descend, even the personal safety that causes electrothermal tube to come off out threatening the user.
Aspect the electric hot plate appliances, there is Chinese patent file 02277514.5 to disclose and a kind ofly can be used for heating and multi-purpose energy-saving electric heating panel heaters such as baking clothes etc. simultaneously, heater strip in the heating board is to be coated with silica gel and to penetrate at resistance wire to be fixed on the glass fabric, being provided with below the heater strip has the thickening PLASTIC LAMINATED below aluminosilicate glass fiber board, the aluminosilicate glass fiber board, is provided with one deck galvanized sheet above the heater strip, one deck step face cloth is arranged above the galvanized sheet.It is said: this constructed products than the insulation property of existing product improve greatly, temperature retention time length, heating wire heat efficiency height, power has only 10W-120W, than the existing product economize on electricity more than 80%.But anatomize as can be known: this kind electric hot plate adopt to adopt silica gel to coat the structure of resistance wire, makes it can only be employed in heating temp under 40～100 ℃ heating situation, and can not be used to cooking food or use under the higher temperature situation.
Aspect the electric hot plate appliances, also have Chinese patent file 02281162.1 to disclose a kind of infrared ray Energy-saving electric stove, relate to the design and fabrication technology of civilian electric furnace.It has on the electric hot plate of radiating aperture electrothermal tube is housed, and there is carborundum infra-red paint layer at the electric hot plate back side, and screw has parabolic reflector at the back side of electric hot plate.Electrothermal tube is that lectrothermal alloy wire is contained in the steel pipe with silica flour.Electric hot plate and parabolic reflector are contained on the grate together.It is said: the infrared radiation hole on its electric hot plate not only makes radiation function accomplished, and reduces to have reduced thermal capacity owing to surface area.Reflector is effectively utilized the heat that loses in the prior art.Thermal radiation function not only acts on heating object, but also acts on electric hot plate, greatly reduces power consumption.On the basis of the simple electric heating conversion of prior art, increased the photo-thermal conversion again, realize the multiple use of electric furnace.Do culinary art and can show great superiority, as barbecue, many foods are very responsive to infrared ray.If it is more obvious with the glassware energy-saving effect of heating up water, cook.But this device is that the electrothermal tube open ground is installed under the electric hot plate matrix with radiating aperture, if be used for cooking food, and electrothermal tube and the parabolic reflector of the liquid contamination that is come out by overflow under it easily, so the scope of application is had a greatly reduced quality.
In this regard, there is Chinese patent file 91225794.6 to disclose split type many merits automatic electric heating pot again.It is by container, base, and the electric hot plate assembly, magnetic temperature limiter and switch assembly constitute.Container is connected with base by bayonet socket bindiny mechanism, and the electric hot plate assembly is connected as elasticity with base; The electric hot plate assembly is made of heat-conducting plate and the electrothermal tube more than 2.This product structure make have only container to be contained in base, when depressing electric heating and pulling assembly, electric hot plate is always become a useful person can heating power.It is said: this product structure is simple, uses power to select, and safety is inexpensive, multi-functional.But see with regard to specification and embodiment literal: this document discloses insufficient for the structure of electric hot plate assembly; With regard to accompanying drawing, as if the upper surface of the electric hot plate assembly of this product is also out-of-flatness, so transmission of heat by contact area and effect thereof have problem.
[summary of the invention]
At the above-mentioned shortcoming of prior art, the technical purpose that the utility model will reach is that electric hot plate and the base substrate thereof that a kind of production technology is simple, with low cost, heat transfer efficiency is high and safe in utilization will be provided.
For this reason, one of the technical solution of the utility model is a kind of electric hot plate, and this electric hot plate comprises the electrothermal tube and the fixing base substrate of electrothermal tube, and described electrothermal tube comprises crooked sleeve pipe and is fixed in heating wire in this sleeve pipe; Described base substrate is tabular, fixing electrothermal tube on the described base substrate, and described electric hot plate also comprises pressing plate, is formed with the location notch of fixing described electrothermal tube on described pressing plate or the described base substrate, and the trend of this location notch is consistent with the trend of described electrothermal tube; Described pressing plate is connected on the described base substrate by securing member and/or welding and makes that described location notch is comprehensively covered.Electrothermal tube in the utility model is at first carried out clamping by the location notch on base substrate or the pressing plate from horizontal direction, no matter be the base substrate of casting band location notch or pressing plate, or electrothermal tube placed location notch on base substrate or the pressing plate, relatively play traditional die casting formula product, realize a lot easily on the technology, percent defective reduces greatly, the corresponding decline of the manufacturing cost of electric hot plate; And then, the utility model adopts pressing plate and base substrate to cover mutually subsequently, fixing processing step and corresponding construction come from the fixing electrothermal tube of vertical direction, relatively play traditional tight fitting type product, need not adopt forcing press, needn't make cell wall produce plastic deformation, can make in the reality that the degree of depth of location notch is slightly less than the external diameter of sleeve pipe, therefore the bed knife of vertical direction is very reliable, can stand to add thermal expansion, the ringing that cooling is shunk, can not produce matching loose, heat transfer efficiency is secure, the more important thing is that electrothermal tube can not come off out, can fully ensure user's personal safety, prolong life of product.
Be further economical with materials and cost, alleviate the weight of electric hot plate integral body, the utility model is formed with the boss with the identical trend of electrothermal tube on the lower surface of described base substrate, and described location notch is formed within this boss.
Renew more conveniently for ease of maintenance, securing member of the present utility model is threaded fastener or rivet securing member.
For increasing fixedly reliability and the intensity for electrothermal tube, the utility model offers main fixing hole on the base substrate of described location notch side, correspondingly, is offering secondary fixing hole on the corresponding described main fixing hole position on the described pressing plate.Main fixing hole and secondary fixing hole can be one or more, in preferred embodiment, described main fixing hole is that paired main fixing hole is close to mutually in described location notch both sides for establishing in pairs, and the number of described main fixing hole and secondary fixing hole is no less than 3 pairs and evenly distribution.Described secondary fixing hole is a through hole, and described main fixing hole is through hole or blind hole.
Another related art scheme of the present utility model is a kind of base substrate of electric hot plate, described base substrate is tabular, be formed with the fixedly location notch of electrothermal tube on the one side of described base substrate, described location notch moves towards identical with electrothermal tube on this face of described base substrate, and described base substrate also comprises pressing plate, and described pressing plate comprises the plate body that covers described location notch.The electric hot plate base substrate of this spline structure can guarantee the outsourcing electrothermal tube to be fixed on the location notch of base substrate from comprehensive going up fully powerfully by base substrate location notch and pressing plate, and production technology is simple, with low cost, the electric hot plate that makes has advantages such as heat transfer efficiency is high and safe in utilization, can be used to widely in the heating electric appliances of numerous species.
Renew more conveniently for ease of maintenance, the base substrate of the utility model electric hot plate also comprises threaded fastener or rivet securing member;
Be to increase fixedly reliability and the intensity of base substrate, offer main fixing hole, correspondingly, offering secondary fixing hole on the corresponding described main fixing hole position on the described pressing plate at the side of described location notch for electrothermal tube.Main fixing hole and secondary fixing hole can be one or more, in preferred embodiment, described main fixing hole is that paired main fixing hole is close to mutually in described location notch both sides for establishing in pairs, and the number of described main fixing hole and secondary fixing hole is no less than 3 pairs and evenly distribution.
For further saving the material and the cost of base substrate, alleviate the weight of electric hot plate integral body, the utility model is formed with the boss with the identical trend of electrothermal tube on the lower surface at described base substrate, and described holddown groove is formed within this boss.
In a word, architecture advances of the present utility model have be easy to implement, advantage effective, with low cost.
Below, with accompanying drawing technical solution of the present utility model is described further in conjunction with specific embodiments.
[description of drawings]
Fig. 1 is the decomposition texture schematic perspective view of the utility model electric hot plate and base substrate embodiment.
[embodiment]
As shown in Figure 1: a kind of electric hot plate, this electric hot plate comprise the electrothermal tube 1 and the fixing base substrate 2 of electrothermal tube, and electrothermal tube 1 comprises crooked sleeve pipe 10 and is fixed in heating wire (not shown) in this sleeve pipe; Base substrate 2 is tabular, is formed with the boss 20 of arc trend on the lower surface of base substrate 2, and location notch 21 is formed within this boss 20.Be combined with electrothermal tube 1 in this location notch 21; Electric hot plate also comprises pressing plate 3, and pressing plate 3 main bodys are for covering the plate body of location notch 21, and pressing plate 3 is fixed on electrothermal tube 1 in the location notch 21 of base substrate 2 by threaded fastener (not shown) or rivet securing member (not shown); The degree of depth of location notch 21 is slightly less than the external diameter of the sleeve pipe of electrothermal tube 1.
Offer main fixing hole 22 on the base substrate of location notch 21 relative dual-sides, main fixing hole 22 is a blind hole.Correspondingly, offering secondary fixing hole 30 on corresponding main fixing hole 22 positions on the pressing plate 3, secondary fixing hole 30 is a through hole.Main fixing hole 22 and secondary fixing hole 30 are in pairs and establish, and promptly paired main fixing hole 22 is close to mutually in location notch 21 both sides, and the number of main fixing hole 22 and secondary fixing hole 30 is 4 pairs and evenly distributes.
As shown in Figure 1: a kind of base substrate 2 of electric hot plate, base substrate 2 is tabular, is formed with the fixedly location notch 21 of electrothermal tube 1 on the one side of base substrate 2, and location notch 21 moves towards identical with electrothermal tube 1 on base substrate 2 these faces, and base substrate 2 also comprises pressing plate 3, and pressing plate 3 comprises the plate body that covers described location notch.Be formed with the boss 20 with electrothermal tube 1 identical trend on the lower surface of base substrate 2, holddown groove 21 is formed within this boss 20.
The base substrate 2 of electric hot plate also comprises threaded fastener or rivet securing member (not shown); Relative dual-side at location notch 21 offers main fixing hole 22, correspondingly, is offering secondary fixing hole 30 on corresponding main fixing hole 22 positions on the pressing plate 3.
Claims (8)
1, a kind of electric hot plate, this electric hot plate comprise the electrothermal tube (1) and the fixing base substrate (2) of electrothermal tube (1), and described electrothermal tube (1) comprises crooked sleeve pipe (10) and is fixed in heating wire in this sleeve pipe (10); Described base substrate (2) is tabular, fixing electrothermal tube (1) on the described base substrate (2), it is characterized in that: described electric hot plate also comprises pressing plate (3), be formed with the location notch (21) of fixing described electrothermal tube (1) on described pressing plate (3) or the described base substrate (2), the trend of this location notch (21) is consistent with the trend of described electrothermal tube (1); Described pressing plate (3) is connected on the described base substrate (2) by securing member and/or welding and makes that described location notch (21) is comprehensively covered.
2, electric hot plate as claimed in claim 1 is characterized in that: be formed with the boss (20) with the identical trend of electrothermal tube (1) on the lower surface of described base substrate (2), described location notch (21) is formed within this boss (20).
3, electric hot plate as claimed in claim 1 or 2 is characterized in that: described securing member is threaded fastener or rivet securing member.
4, electric hot plate as claimed in claim 3, it is characterized in that: on the base substrate (2) of described location notch (21) side, offer main fixing hole (22), correspondingly, on the upward corresponding described main fixing hole (22) of described pressing plate (3) position, offer secondary fixing hole (30).
5, electric hot plate as claimed in claim 4 is characterized in that: described secondary fixing hole (30) is a through hole, and described main fixing hole (22) is through hole or blind hole.
6, a kind of base substrate of electric hot plate (2), described base substrate (2) is tabular, be formed with the fixedly location notch (21) of electrothermal tube (1) on the one side of described base substrate (2), described location notch (21) moves towards identical with electrothermal tube (1) on this face of described base substrate (2), it is characterized in that: described base substrate (2) also comprises pressing plate (3), and described pressing plate (3) comprises the plate body that covers described location notch.
7, as the base substrate of electric hot plate as described in the claim 6, it is characterized in that: the base substrate of described electric hot plate (2) also comprises threaded fastener or rivet securing member; Side at described location notch (21) offers main fixing hole (22), correspondingly, offers secondary fixing hole (30) on the upward corresponding described main fixing hole (22) of described pressing plate (3) position.
8, electric hot plate as claimed in claim 7 is characterized in that: be formed with the boss (20) with the identical trend of electrothermal tube (1) on the lower surface of described base substrate (2), described holddown groove (21) is formed within this boss (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520053941 CN2768369Y (en) | 2005-01-25 | 2005-01-25 | Electric heating plate and its billet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520053941 CN2768369Y (en) | 2005-01-25 | 2005-01-25 | Electric heating plate and its billet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2768369Y true CN2768369Y (en) | 2006-03-29 |
Family
ID=36682235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520053941 Expired - Lifetime CN2768369Y (en) | 2005-01-25 | 2005-01-25 | Electric heating plate and its billet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2768369Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016183889A1 (en) * | 2015-05-15 | 2016-11-24 | 深圳市鑫富达电器有限公司 | Thermally-insulated temperature-controlled heating plate |
-
2005
- 2005-01-25 CN CN 200520053941 patent/CN2768369Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016183889A1 (en) * | 2015-05-15 | 2016-11-24 | 深圳市鑫富达电器有限公司 | Thermally-insulated temperature-controlled heating plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGDONG YILIPU ELECTRIC APPLIANCE CO., LTD. Free format text: FORMER OWNER: JIAN WEIWEN Effective date: 20061103 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20061103 Address after: 528243 Industrial Avenue, Songgang Pine Industrial Park, Nanhai District, Guangdong, Foshan Patentee after: Guangdong Elecpro Electric Appliance Holding Co., Ltd. Address before: 528247 Guangdong Province Nanhai District of Foshan City, Songgang Song Xia Industrial Park Industrial Avenue West Foshan Nanhai elecpro Electrical Appliance Co. Ltd. Patentee before: Jian Weiwen |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150125 Granted publication date: 20060329 |