CN208112989U - A kind of new ceramics PTC electric heater - Google Patents
A kind of new ceramics PTC electric heater Download PDFInfo
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- CN208112989U CN208112989U CN201820488802.5U CN201820488802U CN208112989U CN 208112989 U CN208112989 U CN 208112989U CN 201820488802 U CN201820488802 U CN 201820488802U CN 208112989 U CN208112989 U CN 208112989U
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- transition
- aluminum pipe
- electric heater
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- ptc electric
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Abstract
The utility model relates to air-conditioning PTC electric heater fields,Specifically a kind of new ceramics PTC electric heater,Including finned aluminum pipe,With the heat generating core of finned aluminum pipe cooperation,The first cooling fin and the second cooling fin on finned aluminum pipe are set,Cavity is provided in the finned aluminum pipe,The inner wall of the cavity has two the first wall surfaces and two opposite the second wall surfaces of Relative distribution,First wall surface is equipped with symmetrical First Transition portion,The second transition part between First Transition portion and the second wall surface is set,Planar portions are provided between two First Transition portions on same first wall surface,Pressure is made preferably to be transferred to aluminum pipe wall using First Transition portion,Conjunction aluminum pipe can be forced with smaller,Buffer the direct pressure to potsherd,Aluminum pipe wall can also be played the role of simultaneously and be closely bonded with potsherd,Improve product heat dissipation performance and production manufacturability,Reduce product defect rate.
Description
Technical field
The utility model relates to air-conditioning PTC electric heater field, specifically a kind of new ceramics PTC electric heater.
Background technique
In current air-conditioning PTC electric heater field, radiating fin chip PTC electric heater air conditioner and other to sky
It is gaining popularity in application on gas heating equipment, especially heating is even more in for Split wall-mounted or floor standing air-conditioner air conditioner indoor machine
Extensively.And the radiating fin chip PTC electric heater used at this stage is due to the design feature of itself, used in PTC element and conduction
Electrode slice package fill in form-relieved type radiator through-hole after, need to compress its through-hole two sides protrusion.
It is cavity and tube wall if China Patent No. is in a kind of novel fin formula PTC electric heater of 206251355U
Two sides position is gradient face and radian face, while two cavity walls in left and right are that straight line is connect, therefore is being produced with radian face
Often occur potsherd crushing in journey and booster is caused to damage.
For another example, China Patent No. is a kind of 201510482014.6 heat dissipation bodies and closed type PTC thermistor heater,
The security risk of electrical aspect is depressured and reduced using channel-shaped accent, but channel-shaped accent is easy to make after high temperature deformation
Obtain power fade.
Summary of the invention
To solve the above-mentioned problems, the utility model proposes a kind of new ceramics PTC electric heaters.
A kind of new ceramics PTC electric heater, including finned aluminum pipe, the heat generating core cooperated with finned aluminum pipe, setting
The first cooling fin and the second cooling fin on finned aluminum pipe are provided with cavity, the cavity in the finned aluminum pipe
Inner wall have Relative distribution two the first wall surfaces and two opposite the second wall surfaces, first wall surface be equipped with
First Transition portion and the second transition part between corresponding second wall surface is arranged in symmetrical First Transition portion, is located at
Planar portions are provided between two First Transition portions on same first wall surface.
The First Transition portion is made of N sections of plain splices, and the N is more than or equal to 2.
First Transition face is provided in the First Transition portion, the third transition face that connect with the second transition part, setting
The second transition face between First Transition face and third transition face.
Second transition face is plane.
Angle between the First Transition face and planar portions is 3-60 degree, second transition face and third transition
Angle between face is 90-180 degree.
Second transition part is equipped with and connect with First Transition portion and convex towards the interval of another first wall surface protrusion
The gradient face rise, being arranged between space protrusion and the second transition part.
Angle between the gradient face and planar portions is 5-60 degree.
The cross section of second wall surface is the cambered surface towards cavity protrusion.
The utility model has the beneficial effects that：The utility model makes pressure preferably be transferred to aluminium using First Transition portion
Tube wall, can be with the smaller direct pressure for forcing conjunction aluminum pipe, buffering to potsherd, while can also play aluminum pipe wall and potsherd
The closely effect of fitting improves product heat dissipation performance and production manufacturability, reduces product defect rate；First Transition portion and
Two transition parts generate deformation after pressure pipe, and the shape after deformation is similar to make it due to the structural stability of triangle such as triangle
Subsequent high temperature working condition is not easy deformation, reduces power attenuation, improves life of product；Traditional manufacture needs 57205 cubes of millis
The aluminum pipe profile of rice, aluminium volume needed for the utility model are 56907 cubic millimeters, can save material 0.5%, reduce system
This is caused, material is saved.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the right side structural representation of the utility model；
Fig. 2 is the overlooking structure diagram of the utility model；
Fig. 3 is the finned aluminum pipe schematic cross-sectional view of the utility model；
Fig. 4 is the I partial enlarged view of Fig. 3 of the utility model；
Fig. 5 is the II partial enlarged view of Fig. 3 of the utility model.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
It is further described in face of the utility model.
As shown in Figures 1 to 5, a kind of new ceramics PTC electric heater, including finned aluminum pipe 2 and finned aluminum pipe 2
The heat generating core 1 of cooperation, the first cooling fin 3 being arranged on finned aluminum pipe 2 and the second cooling fin 4, the finned aluminum pipe 2
Inside be provided with cavity 5, the inner wall of the cavity 5 have Relative distribution two the first wall surfaces 11 and opposite two second
Wall surface 6, first wall surface 11 are equipped with symmetrical First Transition portion 10, setting in First Transition portion 10 and and correspond to
The second wall surface 6 between the second transition part 9, be provided between two First Transition portions 10 on same first wall surface 11
Planar portions 15.
The First Transition portion 10 is made of N sections of plain splices, and the N is more than or equal to 2.
The third transition face for being provided with First Transition face 13 in the First Transition portion 10, being connect with the second transition part 9
8, the second transition face 14 between First Transition face 13 and third transition face 8 is set.
Second transition face 14 is plane.
Angle between the First Transition face 13 and planar portions 15 is 3-60 degree, the third transition face 8 and
Angle between two transition faces 14 is 90-180 degree.
Second transition part 9, which is equipped with, to be connect and towards between another first wall surface, 11 protrusion with First Transition portion 10
Every protrusion 12, the gradient face 7 being arranged between space protrusion 12 and the second transition part 9.
Angle between the gradient face 7 and planar portions 15 is 5-60 degree.
The cross section of second wall surface 6 is the cambered surface towards 5 protrusion of cavity.
The cavity 5 is used for placing ceramic piece.
The First Transition face 13 that has in the First Transition portion 10, the second transition face 14, third transition face 8, can make
It obtains pressure to be preferably transferred on the first wall surface 11, finned aluminum pipe 2 can be closed with smaller force, buffered to the straight of potsherd
Pressure is connect, while can also play the role of the first wall surface 11 and be closely bonded with potsherd, improves product heat dissipation performance and production
Manufacturability reduces product defect rate.
In addition, the First Transition face 13 having in the First Transition portion 10, the second transition face 14, third transition face 8,
Deformation is generated after pressure pipe, the shape after deformation is similar to make its subsequent high temperature due to the structural stability of triangle such as triangle
Working condition is not easy deformation, reduces power attenuation, improves life of product.
Under the connection function of second transition part 9 between the second wall surface 6, can further it be absorbed in pressure pipe more
Remaining pressure reduces the destruction to potsherd, while the inner wall of finned aluminum pipe 2 can also be made closely to be bonded with potsherd,
Heat dissipation performance and production manufacturability are improved, product defect rate is reduced.
First cooling fin 3, the second cooling fin 4 are integrated with finned aluminum pipe 2, and the setting of heat generating core 1 exists
In the cavity 5 of finned aluminum pipe 2, planar portions 15 are contacted with heat generating core 1, to realize heat dissipation, and right using space protrusion 12
Heat generating core 1 is positioned, to guarantee that heat generating core 1 is unbiased.
The utility model also has progress outstanding：Traditional manufacture needs 57205 cubic millimeters of aluminum pipe profile, and originally
Aluminium volume needed for utility model is 56907 cubic millimeters, can save material 0.5%, reduces manufacturing cost, saves material
Material.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model also has
Various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The requires of the utility model
Protection scope is defined by the appending claims and its equivalent thereof.
Claims (8)
1. a kind of new ceramics PTC electric heater, it is characterised in that：Match including finned aluminum pipe (2), with finned aluminum pipe (2)
The heat generating core (1) of conjunction, the first cooling fin (3) and the second cooling fin (4) being arranged on finned aluminum pipe (2), the fin
Is provided with cavity (5) in formula aluminum pipe (2), the inner wall of the cavity (5) have two the first wall surfaces (11) of Relative distribution with
And two opposite the second wall surfaces (6), first wall surface (11) are equipped with symmetrical First Transition portion (10), setting
The second transition part (9) between First Transition portion (10) and corresponding second wall surface (6) is located on same first wall surface (11)
Two First Transition portions (10) between be provided with planar portions (15).
2. a kind of new ceramics PTC electric heater according to claim 1, it is characterised in that：The First Transition portion
(10) it is made of N sections of plain splices, the N is more than or equal to 2.
3. a kind of new ceramics PTC electric heater according to claim 2, it is characterised in that：The First Transition portion
(10) it is provided with First Transition face (13) on, the third transition face (8) that is connect with the second transition part (9), is arranged in First Transition
The second transition face (14) between face (13) and third transition face (8).
4. a kind of new ceramics PTC electric heater according to claim 3, it is characterised in that：Second transition face
It (14) is plane.
5. a kind of new ceramics PTC electric heater according to claim 4, it is characterised in that：The First Transition face
(13) angle between planar portions (15) is 3-60 degree, between the third transition face (8) and the second transition face (14)
Angle is 90-180 degree.
6. a kind of new ceramics PTC electric heater according to claim 1, it is characterised in that：Second transition part
(9) it is equipped with and connect with First Transition portion (10) and exist towards the space protrusion (12) of another first wall surface (11) protrusion, setting
Gradient face (7) between space protrusion (12) and the second transition part (9).
7. a kind of new ceramics PTC electric heater according to claim 6, it is characterised in that：The gradient face (7) and
Angle between planar portions (15) is 5-60 degree.
8. a kind of new ceramics PTC electric heater according to claim 1, it is characterised in that：Second wall surface (6)
Cross section be the cambered surface towards cavity (5) protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820488802.5U CN208112989U (en) | 2018-04-04 | 2018-04-04 | A kind of new ceramics PTC electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820488802.5U CN208112989U (en) | 2018-04-04 | 2018-04-04 | A kind of new ceramics PTC electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208112989U true CN208112989U (en) | 2018-11-16 |
Family
ID=64120908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820488802.5U Active CN208112989U (en) | 2018-04-04 | 2018-04-04 | A kind of new ceramics PTC electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208112989U (en) |
-
2018
- 2018-04-04 CN CN201820488802.5U patent/CN208112989U/en active Active
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