CN207369314U - A kind of shock type PTC electric heater - Google Patents
A kind of shock type PTC electric heater Download PDFInfo
- Publication number
- CN207369314U CN207369314U CN201721142916.6U CN201721142916U CN207369314U CN 207369314 U CN207369314 U CN 207369314U CN 201721142916 U CN201721142916 U CN 201721142916U CN 207369314 U CN207369314 U CN 207369314U
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- China
- Prior art keywords
- electric heater
- heat generating
- radiating fin
- cooling base
- ptc
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Abstract
The utility model discloses a kind of shock type PTC electric heater, it includes bearing, and the multiple PTC heat-generating units being fixed on bearing；Each PTC heat-generating units include heat generating core, cooling base and radiating fin；Heat generating core includes connected PTC heater elements and electrode slice, and is coated on the insulating layer of outer layer；Heat generating core accommodating cavity is equipped with cooling base, heat generating core is fixed in the heat generating core accommodating cavity；Radiating fin is connected the both sides sidepiece of cooling base.The utility model is designed using the cavate of cooling base to fix heat-generating units and radiating fin so that the structural stability of PTC electric heater is more preferable, and separation situation is less prone in the working environment of vibration.
Description
Technical field
PTC electric heater technical field is the utility model is related to, particularly a kind of shock type PTC electric heater.
Background technology
As a kind of safe and reliable mode of heating, PTC electric heater is in warm-air drier, air-conditioning, dryer, dish-washing machine
Deng being widely used on household electrical appliance.With the development of new-energy automobile, PTC electric heater is more developed and answers
With bringing unprecedented business opportunity, PTC element manufacturing industry, heater package trade and the supporting industry of each material to PTC electric heater
Obtain huge development.
The PTC heaters of PTC electric heater are usually to be made up of radiating fin and aluminum pipe silica gel adhesion, then and installation
Bearing and related trip bolt are assembled, and Fig. 1 is the front view of prior art PTC electric heater.The development of present new energy
Speed, has produced new-energy automobile and instead of fuel oil and combustion gas by electric energy, in order to keep up with new energy development step, newly now
Energy automobile has begun to use PTC electric heater to carry out auxiliary heating, is being transported during running car at PTC electric heater
Dynamic and vibration working status.The PTC electric heater of existing adhesive type is for a long time under this working environment, it is possible to meeting
There is the phenomenon come unglued, power drastically declines after coming unglued, and causes product function to fail, so as to limit answering for PTC electric heater
With.
The content of the invention
The purpose of this utility model is to provide a kind of shock type PTC electric heater, it can keep away with preferable vibration resistance
Exempt from PTC electric heater and occur the phenomenon that radiating fin departs from aluminum pipe in the working environment for moving and vibrating.
The technical solution that the utility model is taken is：A kind of shock type PTC electric heater, including bearing, and be fixed on
Multiple PTC heat-generating units on bearing；
Each PTC heat-generating units include heat generating core, cooling base and radiating fin；Heat generating core includes connected PTC fever members
Part and electrode slice, and it is coated on the insulating layer of outer layer；Heat generating core accommodating cavity is equipped with cooling base, heat generating core is fixed on described
In heat generating core accommodating cavity；Radiating fin is connected the both sides sidepiece of cooling base.
Preferably, the cooling base is that section is square hollow tubular, and tubular body is heat generating core accommodating cavity.
The base form of only left side plate and bottom plate is may be designed as, heat generating core accommodating cavity is surrounded between left side plate and bottom plate, and lead to
Cross snap fit heat generating core is fixed on inside heat generating core accommodating cavity.
Preferably, the heat generating core accommodating cavity both ends in cooling base are sealed by silica gel.
Preferably, it is adhesively fixed between PTC heater elements and electrode slice by silica gel.
Preferably, the radiating fin is teeth radiating fin, each teeth radiating fin positioned at heat generating core the same side
Crooked radian is identical with bending direction.So that multiple fins are evenly distributed in heat generating core both sides, heat dissipation effect is preferable.
Preferably, the cooling base is integrally formed with radiating fin.It may be such that antivibration effect is more excellent.
Preferably, the cooling base is that aluminium is made using 6 with radiating fin.The heat conduction of PTC electric heater can be improved
Performance, improves the power density of PTC electric heater so that material cost is lower under equal-wattage density, while improves PTC electricity and add
The anti-corrosion ability of hot device.
Preferably, each PTC heat-generating units are fixed on bearing by trip bolt.
Beneficial effect
Compared with prior art, the beneficial effects of the utility model are：
1）Designed using the cavate of cooling base to fix heat-generating units and radiating fin so that the knot of PTC electric heater
Structure stability is more preferable, is not readily separated；
2）Radiating fin is designed with cooling base for integral type, can further avoid PTC electric heater from moving and vibrating
Environment in occur radiating fin disengaging phenomenon；
3）Radiating fin and cooling base design for integral type, improve the heat conductivility of PTC electric heater so that PTC
The power density of electric heater improves, and material cost can be lower in the case of identical power density；
4）Radiating fin is aluminium using 6 with cooling base, improves the anti-corrosion ability of PTC electric heater, and expanding should
Use scope.
Brief description of the drawings
Fig. 1 show PTC electric heater structure diagram in the prior art；
Fig. 2 show the utility model PTC electric heater structure diagram.
Embodiment
Further described below in conjunction with the drawings and specific embodiments.
The utility model shock type PTC electric heater as shown in Figure 2, including bearing 1, and be fixed on bearing 1
Multiple PTC heat-generating units；
Each PTC heat-generating units include heat generating core, cooling base 2 and radiating fin 3；Heat generating core includes connected PTC fevers
Element 4 and electrode slice 5, and it is coated on the insulating layer 6 of outer layer；Heat generating core accommodating cavity is equipped with cooling base 2, heat generating core is fixed
In in the heat generating core accommodating cavity；Radiating fin 3 is connected the both sides sidepiece of cooling base 2.
Embodiment
In the present embodiment, cooling base 2 is that section is square hollow tubular, and tubular body is heat generating core accommodating cavity.
Heat generating core accommodating cavity both ends in cooling base are sealed by silica gel, heat generating core are fixed in cooling base, together
When heat generating core one end electrode terminal expose outside cooling base.
It is stacked between PTC heater elements and electrode slice, and is adhesively fixed by silica gel.PTC heater elements after fixation with
Electrode slice outsourcing insulating layer coating, forms heat generating core.
Radiating fin is teeth radiating fin, positioned at the crooked radian of each teeth radiating fin of heat generating core the same side and curved
Qu Fangxiang is identical so that multiple fins are evenly distributed in heat generating core both sides, and heat dissipation effect is preferable.
Cooling base is integrally formed with radiating fin, and the tie point for not welding or being bonded, may be such that antivibration effect
It is more excellent.
Cooling base is that aluminium is made using 6 with radiating fin.The heat conductivility of PTC electric heater can be improved, improves PTC
The power density of electric heater so that material cost is lower under equal-wattage density, while improves the anti-corrosion energy of PTC electric heater
Power.
Each PTC heat-generating units are fixed on bearing by trip bolt.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and deformation can also be made, these change
The scope of protection of the utility model is also should be regarded as into deformation.
Claims (8)
1. a kind of shock type PTC electric heater, it is characterized in that, including bearing, and the multiple PTC fever lists being fixed on bearing
Member；
Each PTC heat-generating units include heat generating core, cooling base and radiating fin；Heat generating core include connected PTC heater elements and
Electrode slice, and it is coated on the insulating layer of outer layer；Heat generating core accommodating cavity is equipped with cooling base, heat generating core is fixed on the fever
In core accommodating cavity；Radiating fin is connected the both sides sidepiece of cooling base.
2. shock type PTC electric heater according to claim 1, it is characterized in that, the cooling base is that section is square
Hollow tubular, tubular body is heat generating core accommodating cavity.
3. shock type PTC electric heater according to claim 1, it is characterized in that, the heat generating core accommodating cavity in cooling base
Sealed by silica gel at both ends.
4. shock type PTC electric heater according to claim 1, it is characterized in that, lead between PTC heater elements and electrode slice
Silica gel is crossed to be adhesively fixed.
5. shock type PTC electric heater according to claim 1, it is characterized in that, the radiating fin is teeth radiating fin
Piece, the crooked radian positioned at each teeth radiating fin of heat generating core the same side are identical with bending direction.
6. shock type PTC electric heater according to claim 1, it is characterized in that, the cooling base is with radiating fin
It is integrally formed.
7. shock type PTC electric heater according to claim 1, it is characterized in that, the cooling base is adopted with radiating fin
It is that aluminium is made with 6.
8. shock type PTC electric heater according to claim 1, it is characterized in that, each PTC heat-generating units pass through trip bolt
It is fixed on bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721142916.6U CN207369314U (en) | 2017-09-07 | 2017-09-07 | A kind of shock type PTC electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721142916.6U CN207369314U (en) | 2017-09-07 | 2017-09-07 | A kind of shock type PTC electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207369314U true CN207369314U (en) | 2018-05-15 |
Family
ID=62351848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721142916.6U Active CN207369314U (en) | 2017-09-07 | 2017-09-07 | A kind of shock type PTC electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207369314U (en) |
-
2017
- 2017-09-07 CN CN201721142916.6U patent/CN207369314U/en active Active
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