CN108449812A - A kind of new ceramics PTC electric heater - Google Patents
A kind of new ceramics PTC electric heater Download PDFInfo
- Publication number
- CN108449812A CN108449812A CN201810299841.5A CN201810299841A CN108449812A CN 108449812 A CN108449812 A CN 108449812A CN 201810299841 A CN201810299841 A CN 201810299841A CN 108449812 A CN108449812 A CN 108449812A
- Authority
- CN
- China
- Prior art keywords
- transition
- aluminum pipe
- electric heater
- face
- ptc electric
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/0033—Heating devices using lamps
- H05B3/0071—Heating devices using lamps for domestic applications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/022—Heaters specially adapted for heating gaseous material
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Resistance Heating (AREA)
Abstract
The present invention 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 being arranged on finned aluminum pipe,It is provided with cavity in the finned aluminum pipe,The internal face of the cavity has two the first wall surfaces and opposite two the second wall surfaces of Relative distribution,First wall surface is equipped with symmetrical First Transition portion,The second transition part being arranged between First Transition portion and the second wall surface,It is provided with planar portions 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 to be closely bonded with potsherd,Improve product heat dissipation performance and production manufacturability,Reduce product fraction defective.
Description
Technical field
The present invention relates to air-conditioning PTC electric heater field, specifically a kind of new ceramics PTC electric heater.
Background technology
In current air-conditioning PTC electric heater field, radiating fin chip PTC electric heater air conditioner and other to sky
Be gaining popularity in application on gas heating equipment, especially in for Split wall-mounted or floor standing air-conditioner air conditioner indoor machine heating be even more
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 both sides protrusion.
It is cavity and tube wall if China Patent No. is in a kind of novel fin formula PTC electric heaters 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.
Invention content
To solve the above-mentioned problems, the present invention proposes a kind of new ceramics PTC electric heater.
A kind of new ceramics PTC electric heater, including finned aluminum pipe, the heat generating core coordinated with finned aluminum pipe, setting
The first cooling fin on finned aluminum pipe and the second cooling fin are provided with cavity, the cavity in the finned aluminum pipe
Internal face have Relative distribution two the first wall surfaces and opposite two the second wall surfaces, first wall surface be equipped with
Symmetrical First Transition portion is arranged in First Transition portion and the second transition part between corresponding second wall surface, is located at
It is provided with planar portions 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 is 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, which is equipped with, to be connect with First Transition portion and towards the interval of another first inner wall part protrusion
Protrusion, the gradient face 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 inner wall part is the cambered surface towards cavity protrusion.
The beneficial effects of the invention are as follows：The present invention makes pressure preferably be transferred to aluminum pipe wall using First Transition portion, both
Can be with the smaller direct pressure for forcing conjunction aluminum pipe, buffering to potsherd, while can also play aluminum pipe wall and potsherd short distance
The effect of fitting improves product heat dissipation performance and production manufacturability, reduces product fraction defective；First Transition portion and the second transition
Portion generates deformation after pressure pipe, and the shape after deformation is similar to keep it follow-up high such as triangle due to the structural stability of triangle
Warm working condition is not easy deformation, reduces power attenuation, improves life of product；Traditional manufacture needs 57205 cubic millimeters of aluminium
Pipe profile, the required aluminium volume of the present invention is 56907 cubic millimeters, can save material 0.5%, reduces manufacturing cost, section
About material.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the right side structural representation of the present invention；
Fig. 2 is the overlooking structure diagram of the present invention；
Fig. 3 is the finned aluminum pipe schematic cross-sectional view of the present invention；
Fig. 4 is the I partial enlarged views of Fig. 3 of the present invention；
Fig. 5 is the II partial enlarged views of Fig. 3 of the present invention.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, below it is right
The present invention is expanded on further.
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 it is provided with cavity 5, two first wall surfaces 11 and opposite two second of the internal face with Relative distribution of the cavity 5
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 is equipped with connect and raised towards another first inner wall part 11 with First Transition portion 10
Space 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 inner wall part 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 fraction defective.
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 as triangle makes its subsequent high temperature due to the structural stability of 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 fraction defective is reduced.
First cooling fin 3, the second cooling fin 4 are integrated with finned aluminum pipe 2, and the heat generating core 1 setting 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 it is right using space protrusion 12
Heat generating core 1 is positioned, to ensure that heat generating core 1 is not skewed.
The present invention also has progress outstanding：Traditional manufacture needs 57205 cubic millimeters of aluminum pipe proximate matter, and of the invention
Required aluminium volume is 56907 cubic millimeters, can save material 0.5%, reduces manufacturing cost, saves material.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
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
Be provided with cavity (5) in formula aluminum pipe (2), the internal face 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
(14) it 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) be equipped with connect with First Transition portion (10) and towards the space protrusion (12) of another first inner wall part (11) protrusion, be arranged
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 inner wall part
(6) cross section is the cambered surface towards cavity (5) protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810299841.5A CN108449812A (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 |
|---|---|---|---|
| CN201810299841.5A CN108449812A (en) | 2018-04-04 | 2018-04-04 | A kind of new ceramics PTC electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108449812A true CN108449812A (en) | 2018-08-24 |
Family
ID=63198299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810299841.5A Withdrawn CN108449812A (en) | 2018-04-04 | 2018-04-04 | A kind of new ceramics PTC electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108449812A (en) |
-
2018
- 2018-04-04 CN CN201810299841.5A patent/CN108449812A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180824 |