CN220325841U - Square ceramic electric heating body - Google Patents
Square ceramic electric heating body Download PDFInfo
- Publication number
- CN220325841U CN220325841U CN202320466194.9U CN202320466194U CN220325841U CN 220325841 U CN220325841 U CN 220325841U CN 202320466194 U CN202320466194 U CN 202320466194U CN 220325841 U CN220325841 U CN 220325841U
- Authority
- CN
- China
- Prior art keywords
- layer
- ceramic electric
- conductive layer
- electric heating
- square
- 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.)
- Active
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 37
- 238000005485 electric heating Methods 0.000 title claims abstract description 20
- 238000004070 electrodeposition Methods 0.000 claims abstract description 13
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 230000005012 migration Effects 0.000 abstract 1
- 238000013508 migration Methods 0.000 abstract 1
- 230000002028 premature Effects 0.000 abstract 1
- 230000035882 stress Effects 0.000 abstract 1
- 230000008646 thermal stress Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 11
- 238000007493 shaping process Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000012797 qualification Methods 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Resistance Heating (AREA)
Abstract
The utility model discloses a square ceramic electric heater, which comprises an outer conductive layer, an outer resistance layer, an inner insulation layer and an inner insulation reinforcing layer, wherein the outer conductive layer is positioned at the upper section of two sides of the outer resistance layer, and the end surface of the outer conductive layer is provided with a positive electrode position and a negative electrode position; wherein: the square ceramic electric heating body has square structure in cross section and further includes one conducting head layer outside the bottom of the outer resistor layer. The middle square ceramic electric heater of the utility model eliminates a longitudinal insulation groove relative to the heating element of the left and right circuit of the company, effectively improves the strength of the product, avoids premature fracture caused by thermal stress cyclic impact, and also avoids resistance distribution change and temperature zone migration caused by continuous expansion of stress cracks.
Description
Technical Field
The utility model relates to an electric heating body, in particular to a square ceramic electric heating body.
Background
The ceramic electrothermal body is used as a conductor material, and can be used as an electrothermal body of an ignition mechanism, and ignition or heating is carried out through the extremely high temperature reached by the ceramic at the moment of energization. The device can be applied to the fields of engine ignition, gas stove ignition, water heater ignition, infrared radiation source, oxygen sensor heating, soldering iron head heating and the like. The electrothermal body of the ceramic material has the advantages of quick start, high temperature resistance, corrosion resistance, high strength, long service life and the like.
Chinese patent document CN109526079a discloses a high-voltage ceramic electric heater, which comprises a body, the body is the hollow form of afterbody open-ended, and the notch that runs through about having seted up along the axial on the body, its characterized in that: the temperature control area is arranged at the outer resistance layer of the body, and the cross section area of the temperature control area is smaller than that of the body. The adoption of the high-voltage ceramic electrothermal body can improve the strength and the use reliability of the product.
This prior art has the following disadvantages: in the prior art, the damage to the weak part is avoided in the process of up-and-down displacement of the temperature zone by controlling the temperature control zone through the functional hierarchical structure, so that the service life of the ceramic electric heating body is prolonged. However, in the actual use process, the temperature area can gradually move along with the increase of the use times, especially when the temperature area is exposed in the subsequent use process, so that the problem of inconsistent temperature areas in the use process of the ceramic body is caused.
Disclosure of Invention
The utility model provides a square ceramic electric heating body, which aims to solve the problem that the temperature area of the ceramic electric heating body is inconsistent in the use process because the temperature area can gradually move in the use process of the ceramic electric heating body in the prior art, and comprises an outer conductive layer, an outer resistance layer, an inner insulation layer and an inner insulation reinforcing layer, wherein the outer conductive layer is positioned at the upper section of two sides of the outer resistance layer, and the end surface of the outer conductive layer is provided with a positive electrode position and a negative electrode position; wherein: the section of the square ceramic electrothermal body is square.
In this scheme, the square ceramic electric heater has cancelled the vertical fluting of high voltage product among the prior art, has effectively improved product strength to avoided the quality defect of fluting structure in the production process, when improving the product qualification rate, ensured the warm area control of heat-generating body in the use, prolonged product life. In addition, the ceramic body in the prior art can only adopt a vertical state sintering process from top to bottom in the sintering process, and in the scheme, the ceramic electric heating body with the square structure can adopt any posture for sintering in the sintering process, and the ceramic electric heating body has the advantages of no deformation and high furnace charging speed, so that the qualification rate and the processing efficiency of products can be increased.
Preferably, the resistor further comprises a head conductive layer, and the head conductive layer is wrapped at the bottom end of the outer resistor layer.
Preferably, the outer peripheral contour of the lower section of the outer resistive layer is greater than the outer peripheral contour of the upper section of the outer resistive layer, and the outer peripheral contour of the outer conductive layer is disposed flush with the outer peripheral contour of the lower section of the outer resistive layer.
Preferably, the conductive layer is formed by a conductive layer, an outer resistor layer, an inner insulating layer and an inner insulating reinforcement layer.
Preferably, the bottom of the forming channel is provided with a forming channel hole, and the aperture of the forming channel hole is smaller than the width of the forming channel.
Preferably, the lower end of the forming channel is connected with the forming channel hole through an arc section.
Preferably, the bottom end face of the outer conductive layer is shrunk toward the center of the square ceramic electric heating body.
The utility model has the following beneficial effects:
1. the square ceramic electric heater eliminates longitudinal slotting of the existing high-voltage products of companies, effectively improves the strength of the products, avoids quality defects of slotting structures in the production process, improves the qualification rate of the products, ensures temperature zone control of the heating body in the use process, and prolongs the service life of the products.
2. The square ceramic electrothermal body can be sintered in any posture in the sintering process, has the advantages of no deformation and high charging speed, eliminates the prior slotting structure, simplifies the prior production process, thereby increasing the qualification rate and the processing efficiency of the product, reducing the production cost and improving the qualification rate of the product in the production process from 60 percent to more than 95 percent.
3. The service life of the switch of the square ceramic electric heating body is more than or equal to 100,000 times.
Drawings
FIG. 1 is a schematic diagram of a block ceramic electric heating body according to an embodiment of the present utility model;
fig. 2 is a cross-sectional view of A-A in fig. 1.
Detailed Description
The following is a further detailed description of the embodiments:
1. definition of the definition
An electrode: the positive electrode and the negative electrode are respectively, the common positive electrode is a cathode, electrons are obtained, reduction reaction occurs, the negative electrode is an anode, and oxidation reaction occurs when electrons are lost;
square structure: the cross section of the square ceramic electric heating body is different from the cylindrical structure and the flat structure which are currently available on the market;
peripheral profile: refers to the outer surface.
2. Reference numerals in the drawings of the specification include: the electrode comprises an electrode position 1, an outer resistor layer 2, an inner insulating layer 3, an inner insulating reinforcing layer 4, a head conducting layer 5 and a forming channel hole 6.
An example is substantially as shown in figure 1: the square ceramic electrothermal body has square section, and includes, from outside to inside, a head conducting layer 5, an outer conducting layer, an outer resistance layer 2, an inner insulating layer 3, an inner insulating reinforcing layer 4 and a forming channel.
The head conducting layer 5 outsourcing is in outer resistance layer 2 bottom, the bottom terminal surface of outer conducting layer contracts towards square ceramic electric heater center and sets up, the periphery profile of outer resistance layer 2 hypomere is greater than the periphery profile of outer resistance layer 2 upper segment, and the periphery profile of outer conducting layer flushes the setting with the periphery profile of outer resistance layer 2 hypomere, outer conducting layer terminal surface is equipped with two electrode positions 1, two electrode positions 1 include positive electrode position 1 and negative electrode position 1, positive electrode position 1 and negative electrode position 1 are outer conducting layer respectively the upper segment of outer resistance layer 2 both sides.
The shaping passageway runs through head conducting layer 5, outer resistive layer 2, inner insulating layer 3 and inner insulation enhancement layer 4, and shaping passageway bottom is equipped with shaping access hole 6, and shaping access hole 6's aperture is less than shaping access's width, is connected through the arc section between shaping access hole 6 and the shaping access lower extreme.
The foregoing is merely an embodiment of the present utility model, and a specific structure and characteristics of common knowledge in the art, which are well known in the scheme, are not described herein, so that a person of ordinary skill in the art knows all the prior art in the application day or before the priority date of the present utility model, and can know all the prior art in the field, and have the capability of applying the conventional experimental means before the date, so that a person of ordinary skill in the art can complete and implement the present embodiment in combination with his own capability in the light of the present application, and some typical known structures or known methods should not be an obstacle for a person of ordinary skill in the art to implement the present application. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (7)
1. The square ceramic electric heating body comprises an outer conductive layer, an outer resistance layer, an inner insulation layer and an inner insulation reinforcing layer, wherein the outer conductive layer is positioned at the upper section of two sides of the outer resistance layer, and a positive electrode position and a negative electrode position are arranged on the end face of the outer conductive layer; the method is characterized in that: the section of the square ceramic electrothermal body is square.
2. The block ceramic electric heater according to claim 1, wherein: the resistor further comprises a head conductive layer, and the head conductive layer is wrapped at the bottom end of the outer resistor layer.
3. A square ceramic electric heating body according to claim 2, characterized in that: the peripheral outline of the lower section of the outer resistance layer is larger than the peripheral outline of the upper section of the outer resistance layer, and the peripheral outline of the outer conductive layer is flush with the peripheral outline of the lower section of the outer resistance layer.
4. A square ceramic electric heating body according to claim 3, wherein: the forming channel penetrates through the head conducting layer, the outer resistance layer, the inner insulating layer and the inner insulating reinforcing layer.
5. The block ceramic electric heater according to claim 4, wherein: the bottom of the forming channel is provided with a forming channel hole, and the aperture of the forming channel hole is smaller than the width of the forming channel.
6. The block ceramic electric heater according to claim 5, wherein: the lower end of the forming channel is connected with the forming channel hole through an arc section.
7. A square ceramic electric heating body according to any one of claims 1-6, characterized in that: the bottom end face of the outer conductive layer is contracted towards the center of the square ceramic electric heating body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320466194.9U CN220325841U (en) | 2023-03-13 | 2023-03-13 | Square ceramic electric heating body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320466194.9U CN220325841U (en) | 2023-03-13 | 2023-03-13 | Square ceramic electric heating body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220325841U true CN220325841U (en) | 2024-01-09 |
Family
ID=89417747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320466194.9U Active CN220325841U (en) | 2023-03-13 | 2023-03-13 | Square ceramic electric heating body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220325841U (en) |
-
2023
- 2023-03-13 CN CN202320466194.9U patent/CN220325841U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104799438A (en) | Electronic cigarette smoking set heater with low-temperature heating function | |
| US8530802B2 (en) | Ceramic heater and mold | |
| CN105308392B (en) | For the economizer bank for the heater plug that can be adjusted | |
| US20100294300A1 (en) | Ceramic Heater, Oxygen Sensor and Hair Iron That Use the Ceramic Heater | |
| CN109526079B (en) | High-voltage ceramic electric heating body | |
| EP2237638B1 (en) | Ceramic heater, and oxygen sensor and hair iron having the ceramic heater | |
| CN102361522B (en) | A kind of variable cross-section termination not armoured heating heater and preparation method thereof | |
| JP2005294267A (en) | Ignition plug | |
| CN220325841U (en) | Square ceramic electric heating body | |
| US20070102412A1 (en) | Heated resistance especially for heating a solid part such as a temperature probe and/or a pressure probe | |
| CN102934515A (en) | Heater and glow plug provided with same | |
| US11153936B2 (en) | Ceramic heating resistor, electrical heating element, and device for heating a fluid | |
| CN116669238A (en) | Square ceramic electric heating body | |
| US2356237A (en) | Heating unit | |
| CN103843454B (en) | Well heater and possess the sparking plug of this well heater | |
| CN103329615A (en) | Heater and glow plug provided with same | |
| KR20080069564A (en) | Method for producing a sheathed-element glow plug | |
| US4720697A (en) | Terminal for electrical resistance heating element and a method for the manufacture of such terminals | |
| CN209824059U (en) | Large-voltage ceramic electric heating body | |
| US2944239A (en) | Electrically conductive element for use at elevated temperatures | |
| JPH0432615A (en) | Glow plug for diesel engine | |
| JP2720033B2 (en) | Self-control ceramic glow plug | |
| US4701933A (en) | Method of supplying heat energy to a metal melt or the like and a heating element for use with said method | |
| JPH0155369B2 (en) | ||
| JPS6350606Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |