CN109246874A - A kind of ptc heater - Google Patents
A kind of ptc heater Download PDFInfo
- Publication number
- CN109246874A CN109246874A CN201810991933.XA CN201810991933A CN109246874A CN 109246874 A CN109246874 A CN 109246874A CN 201810991933 A CN201810991933 A CN 201810991933A CN 109246874 A CN109246874 A CN 109246874A
- Authority
- CN
- China
- Prior art keywords
- aluminium flake
- cooling fin
- aluminum pipe
- ptc heater
- ptc
- 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.)
- Pending
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Classifications
-
- 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
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
- H05B3/50—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
-
- 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
- H05B3/02—Details
Landscapes
- Resistance Heating (AREA)
Abstract
The invention discloses a kind of ptc heaters, are related to electroheat technology field, including aluminium flake, cooling fin and aluminum pipe, the cooling fin is set in aluminium flake, the aluminium flake has two pieces to be symmetrically welded the two sides for being fixed on aluminum pipe, the configuration of the present invention is simple, in the long-term use without silica gel aging attenuation problem, reduce aluminium flake material and bonding silica gel, the cost of material has been saved, meanwhile, no silica gel bonding process, processing flow is simplified, production cost is reduced.
Description
Technical field
The present invention relates to electroheat technology fields, and in particular to a kind of ptc heater.
Background technique
Ptc heater is formed using PTC ceramics heater element and aluminum pipe.The type PTC heater have thermal resistance it is small, heat exchange
High-efficient advantage is the electric heater of a kind of automatic constant-temperature, power saving.Outstanding feature is in security performance, any to apply feelings
Surface " rubescent " phenomenon such as electric heating tubing heater will not be generated under condition, so as to cause scald, the security risks such as fire.
Ptc heater radiator structure common at present is generally by upper aluminium flake, cooling fin, lower aluminium flake by being welded to form aluminum strip
Component, aluminum strip component are adhered on aluminum pipe tube body by silica gel, and the height of adhesive strength will have a direct impact on the thermal diffusivity of heater
Can, there are aging phenomena for silica gel in the long-term use, and heating properties is caused to be decayed.
Chinese patent application discloses a kind of ptc heater and the air conditioner with it for 201310554876.6, ties
Structure includes heating core and multiple cooling fins, and each cooling fin is equipped with the mounting groove with the physical fit of the heating core,
The heating core is plugged in the mounting groove of multiple cooling fins, the multiple cooling fin be respectively provided on the heating core and
Length direction along the heating core is arranged spaced apart.This ptc heater, between being arranged on the length direction of heating core
Multiple cooling fins arranged apart, and each cooling fin passes through the mounting groove that opens up and is mounted on heating core, cooling fin with plus
It being capable of forming the gap of opening between hot core, without will form closure wall face, to increase heat dissipation air quantity, enhancing heat dissipation effect
Fruit.But this equipment still has that structure is complicated, the defect of bad fixation.
Chinese patent application is that 201620275083.X discloses a kind of ptc heater, and structure includes heat conducting pipe, fever
Core and heat sink strip, wherein heat generating core is placed in the cavity of heat conducting pipe, and heat sink strip is fixed on the upper and lower surface of heat conducting pipe；The heat dissipation
Item includes corrugated plate and the clamping fixinig plate in corrugated plate two sides, and corrugated plate is square tooth ripples shape, the junction with fixinig plate
For face contact；Being clipped in corrugated plate between the fixinig plate is two or more, and every corrugated plate is arranged in parallel, mutually it
Between have gap formed channel.Compared with prior art, fixation is more firm between each component of the PTC electric heater, improves use
Safety；Running steam is not easy to coalesce together, and extends service life；Any spray liniment is not used, is reduced
Cost.But this equipment still has the poor defect of heat dissipation effect.
Summary of the invention
The purpose of the present invention is to provide a kind of ptc heaters, to solve the above-mentioned many defects caused by the prior art.
A kind of ptc heater, including aluminium flake, cooling fin and aluminum pipe, the cooling fin are set in aluminium flake, and the aluminium flake has two
Block is symmetrically welded the two sides for being fixed on aluminum pipe, and the cooling fin is also fixed with Al pipe butt welding.
Preferably, the aluminium flake is in inner concave shape.
Preferably, the cooling fin is waveform.
Preferably, four walls are equipped with insulating materials on the inside of the aluminum pipe, are equipped with PTC heating element on the inside of the insulating materials,
The exit of the PTC heating element is connected with fuse.
Preferably, reinforcing bar is fixed with by screw between the aluminium flake and aluminum pipe.
A kind of manufacturing method of ptc heater, comprising the following steps:
(1) cooling fin is welded in the inside of the aluminium flake of inner concave shape；
(2) solder is placed in the two sides of aluminum pipe, cooling fin, aluminium flake is fixedly welded on by aluminum pipe using carbon-dioxide arc welding
On, product is obtained after cooling.
The present invention has the advantages that structure is simple, in the long-term use without silica gel aging attenuation problem, reduce aluminium
Sheet material and bonding silica gel, have saved the cost of material, meanwhile, no silica gel bonding process simplifies processing flow, reduces life
Produce cost.
Detailed description of the invention
Fig. 1 is side view of the invention.
Fig. 2 is top view of the invention.
Fig. 3 is the structural schematic diagram of aluminum tube sections of the present invention.
Wherein, 1- aluminium flake, 2- heating sheet, 3- aluminum pipe, 4- insulating materials, 5-PTC heating element, 6- fuse, 7- are reinforced
Bar.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Embodiment 1
As shown in Figure 1 to Figure 3, a kind of ptc heater, including aluminium flake 1, cooling fin 2 and aluminum pipe 3, the cooling fin 2 are set to
In aluminium flake 1, the aluminium flake 1 has two pieces to be symmetrically welded the two sides for being fixed on aluminum pipe 3, and the cooling fin 2 is also solid with the welding of aluminum pipe 3
It is fixed.
In the present embodiment, the aluminium flake 1 is in inner concave shape, and the cooling fin 2 is waveform.
A kind of manufacturing method of ptc heater, comprising the following steps:
(1) cooling fin 2 is welded in the inside of the aluminium flake 1 of inner concave shape；
(2) solder is placed in the two sides of aluminum pipe 3, is fixedly welded on cooling fin 2, aluminium flake 1 using carbon-dioxide arc welding
On aluminum pipe, product is obtained after cooling.
Embodiment 2
As shown in Figure 1 to Figure 3, a kind of ptc heater, including aluminium flake 1, cooling fin 2 and aluminum pipe 3, the cooling fin 2 are set to
In aluminium flake 1, the aluminium flake 1 has two pieces to be symmetrically welded the two sides for being fixed on aluminum pipe 3, and the cooling fin 2 is also solid with the welding of aluminum pipe 3
It is fixed.
In the present embodiment, 3 four walls of inside of aluminum pipe are equipped with insulating materials 4, are equipped with PTC on the inside of the insulating materials 4
The exit of heating element 5, the PTC heating element is connected with fuse 6.
In the present embodiment, the aluminium flake 1 is in inner concave shape, and the cooling fin 2 is waveform, and waveform heat-transfer effect is more
It is good, reinforcing bar 7 is fixed with by screw between the aluminium flake 1 and aluminum pipe 3, the fixation of aluminum pipe 3 and aluminium flake 1 can be reinforced, is prevented
The setting of the disengaging of the two, fuse 6 can be to avoid the danger when short circuit or circuit are destroyed.
A kind of manufacturing method of ptc heater, comprising the following steps:
(1) cooling fin 2 is welded in the inside of the aluminium flake 1 of inner concave shape；
(2) solder is placed in the two sides of aluminum pipe 3, is fixedly welded on cooling fin 2, aluminium flake 1 using carbon-dioxide arc welding
On aluminum pipe, product is obtained after cooling.
Based on above-mentioned, the configuration of the present invention is simple, in the long-term use without silica gel aging attenuation problem, reduce aluminium flake
Material and bonding silica gel, have saved the cost of material, meanwhile, no silica gel bonding process simplifies processing flow, reduces production
Cost.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, in all respects are merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (6)
1. a kind of ptc heater, which is characterized in that including aluminium flake (1), cooling fin (2) and aluminum pipe (3), the cooling fin (2) is set
In the aluminium flake (1), the aluminium flake (1) has two pieces to be symmetrically welded the two sides for being fixed on aluminum pipe (3), the cooling fin (2) also with aluminium
Pipe (3) is welded and fixed.
2. a kind of ptc heater according to claim 1, which is characterized in that the aluminium flake (1) is in inner concave shape.
3. a kind of ptc heater according to claim 1, which is characterized in that the cooling fin (2) is waveform.
4. a kind of ptc heater according to claim 1, which is characterized in that four walls are equipped with insulation on the inside of the aluminum pipe (3)
Material (4), insulating materials (4) inside are equipped with PTC heating element (5), and the exit of the PTC heating element is connected with molten
Disconnected device (6).
5. a kind of ptc heater according to claim 1, which is characterized in that lead between the aluminium flake (1) and aluminum pipe (3)
It crosses screw and is fixed with reinforcing bar (7).
6. a kind of manufacturing method of ptc heater according to claim 1, which comprises the following steps:
(1) cooling fin (2) is welded in the inside of the aluminium flake (1) of inner concave shape；
(2) solder is placed in the two sides of aluminum pipe (3), cooling fin (2), aluminium flake (1) is welded and fixed using carbon-dioxide arc welding
In on aluminum pipe, product is obtained after cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810991933.XA CN109246874A (en) | 2018-08-29 | 2018-08-29 | A kind of ptc heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810991933.XA CN109246874A (en) | 2018-08-29 | 2018-08-29 | A kind of ptc heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109246874A true CN109246874A (en) | 2019-01-18 |
Family
ID=65069574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810991933.XA Pending CN109246874A (en) | 2018-08-29 | 2018-08-29 | A kind of ptc heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109246874A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113966022A (en) * | 2021-09-30 | 2022-01-21 | 青岛海尔空调器有限总公司 | Production process of PTC heater |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05174945A (en) * | 1991-12-17 | 1993-07-13 | Showa Alum Corp | Radiator |
| CN2206529Y (en) * | 1995-01-03 | 1995-08-30 | 李锦源 | Positive temp. coefficient thermal resistor heater |
| CN101815371A (en) * | 2010-05-13 | 2010-08-25 | 深圳市顺章电器有限公司 | Ceramic heating device |
-
2018
- 2018-08-29 CN CN201810991933.XA patent/CN109246874A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05174945A (en) * | 1991-12-17 | 1993-07-13 | Showa Alum Corp | Radiator |
| CN2206529Y (en) * | 1995-01-03 | 1995-08-30 | 李锦源 | Positive temp. coefficient thermal resistor heater |
| CN101815371A (en) * | 2010-05-13 | 2010-08-25 | 深圳市顺章电器有限公司 | Ceramic heating device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113966022A (en) * | 2021-09-30 | 2022-01-21 | 青岛海尔空调器有限总公司 | Production process of PTC heater |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190118 |
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| RJ01 | Rejection of invention patent application after publication |