CN209861189U - Heat dissipation strip of PTC thermosensitive material heating device, heating device and special electric appliance - Google Patents
Heat dissipation strip of PTC thermosensitive material heating device, heating device and special electric appliance Download PDFInfo
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- CN209861189U CN209861189U CN201821343288.2U CN201821343288U CN209861189U CN 209861189 U CN209861189 U CN 209861189U CN 201821343288 U CN201821343288 U CN 201821343288U CN 209861189 U CN209861189 U CN 209861189U
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Abstract
The utility model discloses a heat dissipation strip of a PTC thermal sensitive material heating device, which comprises a heat dissipation ripple clamped by a heat conduction flat sheet and a hem positioning heat conduction sheet, wherein the heat dissipation ripple is provided with at least one concave cambered surface along the width direction of a heat dissipation surface, and the concave cambered surface is parallel to the width direction of the heat dissipation ripple; the heat dissipation corrugation is formed by rolling an aluminum strip through meshing of a pair of continuous gears of a gear hobbing machine. And simultaneously, the utility model also discloses an above-mentioned PTC temperature sensing material who uses this heat dissipation strip device and special electrical apparatus that generate heat. The utility model discloses the design of heat dissipation ripple face can make the trace water droplet gather and hold in sunken or dog-ear face, not blown off in the twinkling of an eye after the restart, along with generating heat in the twinkling of an eye of the device that generates heat, the trace condensation water droplet is heated immediately and is volatilized, has effectively improved service environment, has improved the intensity of heat dissipation strip and PTC heater and the use reliability and the environmental protection function of PTC heater and electrical apparatus.
Description
Technical Field
The utility model belongs to the technical field of the temperature sensing ceramic makes, especially a PTC temperature sensing material generates heat the heat dissipation strip of device and generate heat device and special electrical apparatus.
Background
Patent sealing type positive temperature coefficient thermistor heater, patent No. 200620034186, the ripple is the S-shaped, although favorable to improving the condensation, but S-shaped fin and trapezoidal strengthening rib can't batch forming and production, just the sample that hand or 3D got out of design, also can't avoid because of need make its and soldering lug fully laminate can guarantee not open, the desolder can not guarantee when vacuum welding the deformation that brings when pressing to the upper and lower stationary blade that presss from both sides the ripple strip, distortion isopiestic intensity is low and the defect of welding failure.
In addition, as the patent corrugated heat dissipation strip, patent No. 201320036750.5 discloses that a double-sided composite strip with brazing filler metal is adopted, the material cost is more than 1 time of that of a common aluminum sheet and a brazing foil, and because the welding temperature is greatly higher than the melting point temperature of the welding foil, the manufacturing cost is high, and the strip welding is easy. In addition, the technology also discloses processes such as spot welding, ultrasonic welding, laser welding and the like, and the processes have the defect of poor bonding strength between the heat dissipation corrugation of the heat dissipation strip and the heat conducting sheet. If the bonding process is adopted, although the manufacturing cost is low, in the manufacturing process of the heater, the heat dissipation strips and the heating sheets combined by the heat dissipation corrugations and the heat conducting sheets need to be simultaneously molded and cured at high temperature, all of the processes are finished manually, mass production cannot be realized, the efficiency is low, and the manufacturing cost is high.
After the air conditioner is used and shut down for a long time in winter, the temperature of a radiating fin of a heater is rapidly reduced from about 100 ℃ to below 0 ℃, frost is formed due to the change of the environmental temperature at the moment, and when the room temperature is increased to above 0 ℃, water drops are formed due to the melting of the frost and accumulated on the radiating fin to form condensation. Because the radiating surfaces of the radiating corrugations in the prior art are all of continuous planes and have no concave-convex structures, condensed frost or water drops can be accumulated at the bottom along the heating plane, so that the hidden danger that the water drops accumulated on the surfaces of the radiating corrugations are blown out by heat exchange air at the moment of secondary startup operation exists, and customer complaints are caused.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model discloses to unable batch shaping of traditional heat dissipation strip S type fin and trapezoidal strengthening rib and production, can't avoid making its and soldering lug fully laminate and just can guarantee not opening when vacuum welding, the desolder and the deformation that brings when the upper and lower stationary blade to the centre gripping ripple strip pressurizes, distortion equidensity is low and the bad defect of welding, high in manufacturing cost, the easy desolder, the problem of the poor defect of bonding strength between heat dissipation ripple and the conducting strip provides a heat dissipation strip of PTC temperature sensing material heating device.
A second object of the present invention is to provide a heat generating device including a PTC thermosensitive material.
A third object of the present invention is to provide a special electric appliance using the above heat dissipating bar.
The technical scheme is as follows: in order to achieve the above object, the present invention specifically provides a method for manufacturing a semiconductor device, comprising: a heat dissipation strip of a PTC heat-sensitive material heating device comprises heat dissipation corrugations clamped by a heat conduction flat sheet and a hem positioning heat conduction sheet, wherein the heat dissipation corrugations are provided with at least one concave cambered surface along the width direction of a heat dissipation surface, and the concave cambered surfaces are parallel to the width direction of the heat dissipation corrugations; the heat dissipation corrugation is formed by rolling an aluminum belt through meshing of a pair of continuous gears of a gear hobbing machine, each tooth surface of each pair of gears of the gear hobbing machine is provided with an inner concave/outer convex surface parallel to the tooth width direction, and through opposite meshing transmission of the gears, a concave arc surface parallel to the width direction of the heat dissipation corrugation is rolled on the heat dissipation corrugation.
The height direction of the heat dissipation corrugation is also provided with a sunken surface, a folding fan surface or a sunken surface and a folding fan surface, and the sunken surface, the folding fan surface or the sunken surface and the folding fan surface are vertical to the width direction of the heat dissipation corrugation; the heat dissipation ripple is formed by rolling an aluminum belt through a pair of continuous gears of a gear hobbing machine in a meshing manner, each tooth surface of each pair of gears of the gear hobbing machine is provided with an inner concave/outer convex surface parallel to the tooth width direction, and through the opposite meshing transmission of the gears, a semi-arc concave surface, a bevel surface or a concave surface and a bevel surface which are vertical to the width direction of the heat dissipation ripple and a concave arc surface parallel to the width direction of the heat dissipation ripple are simultaneously rolled on the heat dissipation ripple.
A heating device of PTC thermosensitive material contains the heat radiating strip.
The heating device comprises a PTC heating element, the heating element penetrates through a heating core which is coated by an insulating film and is connected between two electrode plates in parallel and pasted with a PTC thermosensitive heating element in a hollow heat-conducting aluminum pipe, and the heating core in the heating element and the gap of the inner wall of the aluminum pipe are eliminated by pressing the heat-conducting surface of the aluminum pipe to form the surface-insulated PTC heating element, and the heat-conducting surface of the aluminum pipe of the heating element is attached to the heat-radiating strip to form the PTC thermosensitive material heating device.
Wherein the heating device comprises a PTC heating element, and the main component of the PTC heating element is Ba（1-x）PbxTiO3, wherein the Ti is obtained by refining rutile TiO2 raw ore, and the molar ratio of Ti in the main component is more than 1.00%.
The heating device comprises a PTC heating element, the heating element penetrates through a heating core which is coated by an insulating film and is connected between two electrode plates in parallel and pasted with a PTC thermosensitive heating element in a hollow heat-conducting aluminum pipe, and the heating core in the heating element and the gap of the inner wall of the aluminum pipe are eliminated by pressing the heat-conducting surface of the aluminum pipe to form the surface-insulated PTC heating element, and the heat-conducting surface of the aluminum pipe of the heating element is attached to the heat-radiating strip to form the PTC thermosensitive material heating device.
An electric appliance comprises a heating device made of any one of the PTC thermosensitive materials.
Wherein the electric appliance is selected from one of an air conditioner, a warm air blower, a hot air curtain machine, a bath heater, a dehumidifier, an air purifier, a clothes dryer, an automobile warm air or a demisting defroster.
Has the advantages that: compared with the prior art, the utility model, have following advantage:
(1) the heat dissipation corrugated surface of the utility model is designed into a concave shape or a folded surface, which can lead trace water drops to be accumulated and contained in the groove or the folded surface, the instant heating device is not blown out immediately after the secondary startup, trace condensed water drops are heated and volatilized immediately along with the instant heating of the heating device, the service environment is effectively improved, the use comfort level and the environmental protection function are improved, in addition, because a larger pressing force is required to be applied to the heat dissipation surface of the heat dissipation strip in the forming process of the heating device so as to ensure that the PTC thermosensitive heating body attached to the heat dissipation surface is combined with the heat dissipation strip into a whole, the best heat dissipation effect and heat efficiency are achieved, the structure of the concave-convex or folded surface of the heat dissipation corrugation can also ensure that the heat dissipation surface of the heat dissipation strip can be used when the forming and the curing of the heating device, when the pressing force vertical to the radiating corrugation is applied, the radiating strip cannot deform, and the strength of the radiating strip is greatly improved;
(2) the water drops generated by the frosting condensation are naturally, dispersedly and irregularly distributed on the concave surface or the sawtooth surface and the combination surface of the concave and the sawtooth, and at the moment of repeated starting, because no water drops and the heater are rapidly heated on the radiating fin, the water drops which are not only blown out but also deposited on the concave or the sawtooth surface can be rapidly dried, thereby effectively solving the problem that the water drops are blown out due to the condensation at the moment of repeated starting, which confuses air conditioner manufacturers and influences the comprehensive commercial application of the thermal sensitive ceramic heater on the air conditioner;
(3) the heat dissipation area of the concave surface, the sawtooth surface and the combination surface of the concave and the sawtooth is far larger than that of the prior art, and the heat dissipation area and the heat efficiency of the heater are greatly improved. The structure is equal to that of adding reinforcing ribs to the radiating corrugations, so that the strength of the heater is greatly improved. Because the frosted water drops can be simultaneously and irregularly distributed to each concave surface in the height and width directions of the radiating surface of the radiating corrugation, the defect that fine water drops are concentrated and converged at the bottom to form accumulated water or larger water drops in the prior art is effectively reduced;
(4) the production process is simple, easy to control, high in yield and low in manufacturing cost;
(5) the technology adopts excessive Ti with more than 1.0 mol percent2O3The Ti content in the formula is ensured to be 1, the stability and the excellence of the electrical property of the formula are ensured, the finished product rate of the PTC heating element produced according to the formula reaches more than 98 percent, the thermal stability of the element is good, the interelectrode withstand voltage is high, and the PTC heating element is particularly suitable for electrical appliance products such as air-conditioning heaters with higher requirements on the service performance;
(6) use the principle of gear interlock, can be according to on current ripple hobbing make-up machine the utility model discloses a principle, the continuous type cutter or the mould mass production that the improvement design profile of tooth is sunken, sawtooth and sunken plus the serrated surface.
Drawings
FIG. 1 is a schematic structural view of a concave cambered surface in the width direction of the parallel radiating corrugations of the present invention;
FIG. 2 is a schematic view of the structure of the parallel radiating corrugation of the present invention combining the concave cambered surface with the concave surface and the folding fan surface;
fig. 3 is a schematic structural diagram of the heating device of the present invention.
Detailed Description
Example 1:
the heat dissipation strip of the PTC thermosensitive material heating device shown in FIG. 1 comprises heat dissipation corrugations 3 clamped by a heat conduction flat sheet 1 and a hem positioning heat conduction sheet 2, wherein the heat dissipation corrugations are provided with at least one concave cambered surface 303 along the width direction of a heat dissipation surface, and the concave cambered surfaces 303 are parallel to the width direction of the heat dissipation corrugations; the heat dissipation corrugation is formed by rolling an aluminum belt through meshing of a pair of continuous gears of a gear hobbing machine, each tooth surface of each pair of gears of the gear hobbing machine is provided with an inner concave/outer convex surface parallel to the tooth width direction, and through opposite meshing transmission of the gears, a concave arc surface parallel to the width direction of the heat dissipation corrugation is rolled on the heat dissipation corrugation.
Example 2:
as shown in fig. 2, referring to embodiment 1, the height direction of the heat dissipation corrugation further has a concave surface 301, a folded fan surface 302, or a concave surface 301 and a folded fan surface 302, and the concave surface 301, the folded fan surface 302, or the concave surface 301 and the folded fan surface 302 are perpendicular to the width direction of the heat dissipation corrugation; the heat dissipation ripple is formed by rolling an aluminum belt through a pair of continuous gears of a gear hobbing machine in a meshing manner, each tooth surface of each pair of gears of the gear hobbing machine is provided with an inner concave/outer convex surface parallel to the tooth width direction, and through the opposite meshing transmission of the gears, a semi-arc concave surface, a bevel surface or a concave surface and a bevel surface which are vertical to the width direction of the heat dissipation ripple and a concave arc surface parallel to the width direction of the heat dissipation ripple are simultaneously rolled on the heat dissipation ripple.
Example 3:
the heat generating device of the PTC heat sensitive material shown in FIG. 3, which comprises the heat dissipating strip of the above embodiment, includes a PTC heat generating element having a main component of Ba（1-x）PbxTiO3, wherein the Ti is obtained by refining rutile TiO2 raw ore, and the molar ratio of Ti in the main component is more than 1.00%; the heating body penetrates through a heating core 1001 which is coated by an insulating film and is connected in parallel between two electrode plates and is pasted with a PTC thermosensitive heating element in a hollow heat-conducting aluminum pipe, and the heating core in the heating body and the gap of the inner wall of the aluminum pipe are eliminated by pressing the heat-conducting surface of the aluminum pipe to form a surface-insulated PTC heating body, wherein the heat-conducting surface of the aluminum pipe of the heating body is attached to a heat-radiating strip 1002 to form the PTC thermosensitive material heating device.
Example 4:
an electric appliance containing the heat generating device of the PTC heat sensitive material in the above embodiment is selected from one of an air conditioner, a warm air blower, a hot air curtain machine, a bath warmer, a dehumidifier, an air purifier, a clothes dryer, and an automobile warm air or defogging defroster.
Claims (6)
1. The heat dissipation strip of the PTC heat-sensitive material heating device is characterized by comprising heat dissipation corrugations clamped by a heat conduction flat sheet and a hem positioning heat conduction sheet, wherein the heat dissipation corrugations are provided with at least one concave cambered surface along the width direction of a heat dissipation surface, and the concave cambered surfaces are parallel to the width direction of the heat dissipation corrugations; the heat dissipation corrugation is formed by rolling an aluminum belt through meshing of a pair of continuous gears of a gear hobbing machine, each tooth surface of each pair of gears of the gear hobbing machine is provided with an inner concave/outer convex surface parallel to the tooth width direction, and through opposite meshing transmission of the gears, a concave arc surface parallel to the width direction of the heat dissipation corrugation is rolled on the heat dissipation corrugation.
2. The heat dissipating strip for a heat generating device using a PTC thermosensitive material according to claim 1, wherein the heat dissipating corrugations have a recessed surface, a folded surface or a recessed surface and a folded surface in the height direction, and the recessed surface, the folded surface or the recessed surface and the folded surface are perpendicular to the width direction of the heat dissipating corrugations; and rolling a semi-arc concave surface, a break angle surface or a concave surface and a break angle surface which are vertical to the width direction of the heat dissipation corrugation and a concave arc surface which is parallel to the width direction of the heat dissipation corrugation on the heat dissipation corrugation.
3. A heat generating device of a PTC thermosensitive material, characterized by comprising the heat dissipating strip according to claim 1 or 2.
4. A heating device of PTC thermal sensitive material according to claim 3, wherein said heating device comprises a PTC heating element, said heating element is a hollow heat conducting aluminum tube, said hollow heat conducting aluminum tube is penetrated by a heating core coated with an insulating film, said heating core is adhered in parallel between two electrode plates, said heating core and said inner wall of said aluminum tube are eliminated by pressing the heat conducting surface of said aluminum tube, so as to form a surface-insulated PTC heating element, and said heat conducting surface of said aluminum tube is adhered to said heat dissipating strip, so as to form said heating device of PTC thermal sensitive material.
5. An electric appliance comprising a heat generating device of any one of the PTC heat sensitive materials of claim 3 ~ 4.
6. The appliance of claim 5, selected from one of an air conditioner, a fan heater, a hot air curtain, a bath heater, a dehumidifier, an air purifier, a clothes dryer, an automotive heater, or a defogger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821343288.2U CN209861189U (en) | 2018-08-21 | 2018-08-21 | Heat dissipation strip of PTC thermosensitive material heating device, heating device and special electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821343288.2U CN209861189U (en) | 2018-08-21 | 2018-08-21 | Heat dissipation strip of PTC thermosensitive material heating device, heating device and special electric appliance |
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| Publication Number | Publication Date |
|---|---|
| CN209861189U true CN209861189U (en) | 2019-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821343288.2U Active CN209861189U (en) | 2018-08-21 | 2018-08-21 | Heat dissipation strip of PTC thermosensitive material heating device, heating device and special electric appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209861189U (en) |
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2018
- 2018-08-21 CN CN201821343288.2U patent/CN209861189U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: The utility model relates to a radiating strip of a PTC heat sensitive material heating device, a heating device and a special electric appliance Effective date of registration: 20211009 Granted publication date: 20191227 Pledgee: Xiaoxian finance Company limited by guarantee Pledgor: SUZHOU GUOWEI TEMPERATURE-SENSITIVE NEW MATERIAL Co.,Ltd. Registration number: Y2021980010485 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220923 Granted publication date: 20191227 Pledgee: Xiaoxian finance Company limited by guarantee Pledgor: SUZHOU GUOWEI TEMPERATURE-SENSITIVE NEW MATERIAL Co.,Ltd. Registration number: Y2021980010485 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A radiating strip, heating device and special appliance of PTC heat sensitive material heating device Effective date of registration: 20221026 Granted publication date: 20191227 Pledgee: Xiaoxian finance Company limited by guarantee Pledgor: SUZHOU GUOWEI TEMPERATURE-SENSITIVE NEW MATERIAL Co.,Ltd. Registration number: Y2022980019762 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230907 Granted publication date: 20191227 Pledgee: Xiaoxian finance Company limited by guarantee Pledgor: SUZHOU GUOWEI TEMPERATURE-SENSITIVE NEW MATERIAL Co.,Ltd.|WUXI GUOWEI CERAMICS APPLIANCES CO.,LTD. Registration number: Y2022980019762 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A heat dissipation strip, heating device, and specialized electrical appliance for a PTC thermosensitive material heating device Effective date of registration: 20230918 Granted publication date: 20191227 Pledgee: Xiaoxian finance Company limited by guarantee Pledgor: SUZHOU GUOWEI TEMPERATURE-SENSITIVE NEW MATERIAL Co.,Ltd.|WUXI GUOWEI CERAMICS APPLIANCES CO.,LTD. Registration number: Y2023980057172 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |