CN108235459B - PTC heater capable of preventing cooling fin from falling off - Google Patents
PTC heater capable of preventing cooling fin from falling off Download PDFInfo
- Publication number
- CN108235459B CN108235459B CN201810138417.2A CN201810138417A CN108235459B CN 108235459 B CN108235459 B CN 108235459B CN 201810138417 A CN201810138417 A CN 201810138417A CN 108235459 B CN108235459 B CN 108235459B
- Authority
- CN
- China
- Prior art keywords
- heating core
- ptc heating
- mounting seat
- self
- locking
- 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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Links
- 238000001816 cooling Methods 0.000 title claims description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000005452 bending Methods 0.000 claims abstract description 14
- 230000002787 reinforcement Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 abstract description 13
- 238000003825 pressing Methods 0.000 abstract description 8
- 230000007774 longterm Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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
- H05B3/02—Details
-
- 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
-
- 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
- H05B2203/02—Heaters using heating elements having a positive temperature coefficient
Landscapes
- Resistance Heating (AREA)
Abstract
The invention discloses a PTC heater for preventing radiating fins from falling off, which comprises a PTC heating core, radiating fin reinforcing pieces, radiating fins, a first mounting seat, a second mounting seat and a self-locking mechanism, wherein the PTC heating core is embedded in a heat conducting pipe, a plurality of radiating fins are clamped on the heat conducting pipe, a plurality of clamping slots are formed above the heat conducting pipe, the radiating fins are arranged on the clamping slots through rectangular slots, two reinforcing slots are symmetrically formed in the radiating fins, a pressing strip is arranged on the radiating fin reinforcing pieces and is matched with the reinforcing slots, concave bending parts are arranged at two ends of the pressing strip, locking blocks are arranged at two ends of the PTC heating core, the two ends of the PTC heating core are respectively fixed on the first mounting seat and the second mounting seat, the self-locking mechanism is arranged on the first mounting seat and the second mounting seat and is matched with the locking blocks, the radiating fins are convenient to assemble, and the positioning columns and the wing plates are used for limiting the radiating fin reinforcing pieces, so that firm assembly is ensured.
Description
Technical Field
The invention relates to the technical field of heating devices, in particular to the technical field of PTC heaters for preventing cooling fins from falling off.
Background
The application of PTC heater is more and more popular, it has small, can generate heat fast, the great energy consumption of heat of production is less advantage, the in-process of PTC heater assembly, need all require the dress fixed bolster to the both ends pterygoid lamina of heater, the fin that PTC heater on the present market generally used is whole aluminium strip ripple formula, be convenient for assemble, the course of working is simple, generally fix on the heating pipe through the viscose, but be unfavorable for long-term use, long-term use leads to the coming unstuck easily, have the potential safety hazard, the fin type heater receives external force to warp easily, the installing support rocks easily in long-term use, cause the assembly insecure, the phenomenon of becoming flexible appears, the potential safety hazard can appear in long-time use, the PTC heater that the fin of preventing drops is provided now.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a PTC heater for preventing a radiating fin from falling off, which is convenient for assembling the radiating fin, utilizes a positioning column and a limiting wing plate to limit a reinforcing member of the radiating fin, ensures firm assembly, and can rapidly assemble a heater body on a mounting seat by arranging a self-locking mechanism in the mounting seat.
In order to achieve the above-mentioned purpose, the invention provides a PTC heater for preventing a cooling fin from falling, which comprises a PTC heating core, a cooling fin reinforcement, cooling fins, a first mounting seat, a second mounting seat and a self-locking mechanism, wherein the PTC heating core is embedded in a heat conducting pipe, a plurality of cooling fins are clamped on the heat conducting pipe, an insulating layer is arranged between the heat conducting pipe and the PTC heating core, a protruding part is arranged above the heat conducting pipe, a plurality of clamping slots are formed in the protruding part, a rectangular groove is formed in the center of the cooling fin, the cooling fin is mounted on the clamping slots through the rectangular groove, two reinforcing grooves are symmetrically formed in the cooling fin, a pressing strip is arranged on the cooling fin reinforcement and is matched with the reinforcing grooves, concave bending parts are arranged at two ends of the pressing strip, locking blocks are arranged at two ends of the PTC heating core, clamping grooves are formed in the locking blocks, transition cambered surfaces are arranged at the ends of the locking blocks, two ends of the PTC heating core are respectively fixed on the first mounting seat and the second mounting seat, the second mounting seat and the self-locking mechanism is matched with the self-locking mechanism.
Preferably, the first mounting seat further comprises a mounting plate, a positioning column and a supporting seat, the mounting plate is fixed on one side of the supporting seat, the self-locking mechanism is fixed on the supporting seat, an auxiliary groove matched with the self-locking mechanism is formed in the supporting seat, the clamping block penetrates through the auxiliary groove, a mounting groove matched with the PTC heating core is formed in the mounting plate, the positioning column is symmetrically arranged on the side wall of the mounting plate, the end part of the positioning column is provided with a leading-in end, the shape of the leading-in end is hemispherical, the positioning column is matched with the inwards concave bending part, and the first mounting seat and the second mounting seat are identical in structure.
Preferably, limit wing plates are arranged on the upper side and the lower side of the positioning column, and the inward concave bending part is clamped between the limit wing plates.
Preferably, the radiating fin is provided with a plurality of radiating holes, and the clamping slot is provided with an inward folded flange.
Preferably, the self-locking mechanism comprises a mounting frame and locking bars, wherein fixing support plates are arranged on two sides of the mounting frame and fixed on a first mounting seat and a second mounting seat through bolts, the locking bars are arranged in the mounting frame and comprise a mounting sleeve, a telescopic strut and a clamping block, the clamping block is arranged at one end of the telescopic strut, the telescopic strut is arranged in the mounting sleeve through a spring, one side of the clamping block is provided with a driving cambered surface, and the other side of the clamping block is provided with a locking surface.
Preferably, two ends of the PTC heating core are respectively provided with a leading-in block, each leading-in block is provided with a step positioning groove, the side wall of the concave bending part is clung to the side wall of the leading-in block, the locking block is arranged on the leading-in block, one end of the PTC heating core is provided with an electrode strip, and the first mounting seat is provided with a slot matched with the electrode strip.
The invention has the beneficial effects that: according to the invention, through the cooperation of the PTC heating core, the radiating fin reinforcing member, the radiating fin, the first mounting seat, the second mounting seat, the self-locking mechanism and the like, the radiating fin is convenient to assemble, the locating column and the limiting wing plate are utilized to limit the radiating fin reinforcing member, so that firm assembly is ensured, and the self-locking mechanism is arranged in the mounting seat, so that the heater body can be quickly assembled on the mounting seat.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic top view of a PTC heater of the present invention for preventing a heat sink from falling off;
fig. 2 is a schematic cross-sectional structure of a PTC heater for preventing a heat sink from falling off according to the present invention;
Fig. 3 is a top view showing a part of an assembled structure of a PTC heater for preventing a heat sink from falling off according to the present invention;
Fig. 4 is a schematic top view showing a part of the structure of a PTC heater for preventing a heat sink from falling off according to the present invention;
fig. 5 is a schematic top view of a first mounting base of the PTC heater for preventing the heat sink from falling off.
Fig. 6 is a schematic cross-sectional view of a self-locking mechanism of a PTC heater of the present invention for preventing the falling-off of a heat sink;
Fig. 7 is a schematic left-view of a locking bar of a PTC heater for preventing a heat sink from falling off according to the present invention.
Detailed Description
Referring to fig. 1 to 7, the PTC heater for preventing the falling of the heat sink according to the present invention comprises a PTC heating core 1, a heat sink reinforcement 2, a heat sink 3, a first mounting seat 4, a second mounting seat 5 and a self-locking mechanism 6, wherein the PTC heating core 1 is embedded in the heat conductive pipe 11, a plurality of heat sinks 3 are clamped on the heat conductive pipe 11, an insulating layer 12 is disposed between the heat conductive pipe 11 and the PTC heating core 1, a protruding portion 111 is disposed above the heat conductive pipe 11, a plurality of clamping slots 112 are disposed on the protruding portion 111, a rectangular slot 31 is disposed at the center of the heat sink 3, the heat sink 3 is mounted on the clamping slots 112 through the rectangular slot 31, two reinforcing slots 32 are symmetrically disposed on the heat sink 3, a pressing strip 21 is disposed on the heat sink reinforcement 2, the pressing strip 21 is matched with the reinforcing slots 32, concave portions 22 are disposed at two ends of the pressing strip 21, locking blocks 15 are disposed at two ends of the PTC heating core 1, a locking block 152 is disposed in the locking block 15, a rectangular slot 31 is disposed at the center, a transition block 15 is disposed at one end of the locking block 15, a self-locking mechanism is disposed at the two end of the heat sink 6, and the self-locking mechanism is mounted on the heat sink 6, and is mounted on the heat sink 1. The first mounting seat 4 further comprises a mounting plate 41, a positioning column 42 and a supporting seat 43, the mounting plate 41 is fixed on one side of the supporting seat 43, the self-locking mechanism 6 is fixed on the supporting seat 43, an auxiliary groove matched with the self-locking mechanism 6 is formed in the supporting seat 43, a clamping block 623 penetrates through the auxiliary groove, a mounting groove 411 matched with the PTC heating core 1 is formed in the mounting plate 41, the positioning column 42 is symmetrically arranged on the side wall of the mounting plate 41, a leading-in end is arranged at the end of the positioning column 42, the shape of the leading-in end is hemispherical, the positioning column 42 is matched with the concave bending part 22, and the first mounting seat 4 and the second mounting seat 5 are identical in structure. Limiting wing plates 421 are arranged on the upper side and the lower side of the positioning column 42, and the inward concave bending part 22 is clamped between the limiting wing plates 421. The heat sink 3 is provided with a plurality of heat dissipation holes 33, and the clamping slot 112 is provided with an inner folded flange. The self-locking mechanism 6 comprises a mounting frame 61 and locking bars 62, wherein fixed support plates 611 are arranged on two sides of the mounting frame 61, the fixed support plates 611 are fixed on the first mounting seat 4 and the second mounting seat 5 through bolts, the locking bars 62 are arranged in the mounting frame 61, each locking bar 62 comprises a mounting sleeve 621, a telescopic support 622 and a clamping block 623, a clamping block 623 is arranged at one end of each telescopic support 622, the telescopic support 622 is arranged in the mounting sleeve 621 through a spring, a driving cambered surface 6231 is arranged on one side of each clamping block 623, and a locking surface 6232 is arranged on the other side of each clamping block 623. The PTC heating core 1 is characterized in that two ends of the PTC heating core 1 are respectively provided with a leading-in block 13, the leading-in block 13 is provided with a step positioning groove 131, the side wall of the concave bending part 22 is clung to the side wall of the leading-in block 13, the bottom of the concave bending part 22 is clung to the cooling fins 3 at two ends, the locking block 15 is arranged on the leading-in block 13, one end of the PTC heating core 1 is provided with an electrode strip 14, and the first mounting seat 4 is provided with a slot 40 matched with the electrode strip 14.
The working process of the invention comprises the following steps:
According to the PTC heater for preventing the radiating fin from falling off, the radiating fin 3 is sequentially embedded in the clamping slot 112 in the assembling process, then the radiating fin reinforcement 2 is installed on the radiating fin 3, the pressing strip 21 is embedded in the reinforcing groove 32, the bottoms of the concave bending parts 22 are tightly attached to the radiating fin 3 at two ends, the side walls of the concave bending parts 22 are tightly attached to the side walls of the guide-in blocks 13, the first installation seat 4 and the second installation seat 5 are respectively sleeved at two ends of the PTC heating core 1, the guide-in blocks are matched with the installation groove 411 to preliminarily position the PTC heating core 1, the clamping blocks 623 can be clamped into the clamping grooves 132 under the driving of the springs to lock the PTC heating core 1, the positioning columns 42 at two sides can be clamped into the cavities of the concave bending parts 22, the limit wing plates 421 can lock the radiating fin reinforcement 2, the phenomenon that the radiating fin 3 is loose is avoided, and firm assembling is ensured.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (3)
1. A PTC heater for preventing a heat sink from falling off, characterized in that: including PTC heating core (1), fin reinforcement (2), fin (3), first mount pad (4), second mount pad (5) and self-locking mechanism (6), PTC heating core (1) inlays the dress in heat pipe (11), the card is equipped with a plurality of fin (3) on heat pipe (11), be equipped with insulating layer (12) between heat pipe (11) and PTC heating core (1), the top of heat pipe (11) is equipped with bellying (111), a plurality of clamping slot (112) have been seted up on bellying (111), rectangular slot (31) have been seted up in the center department of fin (3), two reinforcement grooves (32) have been seted up to symmetry on fin (3), be equipped with layering (21) on fin reinforcement (2), layering (21) and reinforcement groove (32) cooperate, the both ends of layering (21) are equipped with indent kink (22), the both ends of layering (21) are equipped with locking piece (15) have been seted up in the arc surface (15) locking piece (15), the PTC heating core (1) is characterized in that two ends of the PTC heating core (1) are respectively fixed on a first mounting seat (4) and a second mounting seat (5), self-locking mechanisms (6) are arranged on the first mounting seat (4) and the second mounting seat (5), the self-locking mechanisms (6) are matched with locking blocks (15), clamping blocks (623) are arranged on the self-locking mechanisms (6), the first mounting seat (4) further comprises a mounting plate (41), a positioning column (42) and a supporting seat (43), the mounting plate (41) is fixed on one side of the supporting seat (43), the self-locking mechanisms (6) are fixed on the supporting seat (43), auxiliary grooves matched with the self-locking mechanisms (6) are formed in the supporting seat (43), the mounting plate (41) penetrates through the auxiliary grooves, mounting grooves (411) matched with the PTC heating core (1) are formed in the mounting plate (41), positioning columns (42) are symmetrically arranged on the side walls of the mounting plate (41), the end parts of the positioning columns (42) are provided with leading-in ends, the leading-in ends are in hemispherical shapes, the shape of the leading-in ends are the same as those of the positioning columns (421), the two side edges of the positioning columns (2) are matched with the first wing plates (42), indent kink (22) cartridge is between spacing pterygoid lamina (421), self-locking mechanism (6) are including installing frame (61) and latch segment (62), the both sides of installing frame (61) are equipped with fixed extension board (611), fixed extension board (611) are fixed on first mount pad (4), second mount pad (5) through the bolt fastening, the inside of installing frame (61) is equipped with latch segment (62), latch segment (62) are including installation cover (621), telescopic prop (622) and fixture block (623), the one end of telescopic prop (622) is equipped with fixture block (623), telescopic prop (622) are installed in installation cover (621) through the spring, one side of fixture block (623) is equipped with drive cambered surface (6231), the opposite side of fixture block (623) is equipped with locking face (6232).
2. A PTC heater for preventing a heat sink from falling off as claimed in claim 1, wherein: a plurality of radiating holes (33) are formed in the radiating fin (3), and an inward-folded flange is arranged on the clamping slot (112).
3. A PTC heater for preventing a heat sink from falling off as claimed in claim 1, wherein: the PTC heating core is characterized in that the two ends of the PTC heating core (1) are respectively provided with a leading-in block (13), the leading-in block (13) is provided with a step positioning groove (131), the side wall of the concave bending part (22) is clung to the side wall of the leading-in block (13), the bottom of the concave bending part (22) is clung to the cooling fins (3) at the two ends, the locking block (15) is arranged on the leading-in block (13), one end of the PTC heating core (1) is provided with an electrode strip (14), and the first mounting seat (4) is provided with a slot (40) matched with the electrode strip (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810138417.2A CN108235459B (en) | 2018-02-10 | 2018-02-10 | PTC heater capable of preventing cooling fin from falling off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810138417.2A CN108235459B (en) | 2018-02-10 | 2018-02-10 | PTC heater capable of preventing cooling fin from falling off |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108235459A CN108235459A (en) | 2018-06-29 |
| CN108235459B true CN108235459B (en) | 2024-05-03 |
Family
ID=62661455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810138417.2A Active CN108235459B (en) | 2018-02-10 | 2018-02-10 | PTC heater capable of preventing cooling fin from falling off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108235459B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060040918A (en) * | 2004-11-08 | 2006-05-11 | 한진전자공업주식회사 | The making structure of the pre-heater assembly |
| WO2008056949A1 (en) * | 2006-11-09 | 2008-05-15 | Modine Korea, Llc. | Ptc heater |
| CN102387613A (en) * | 2010-08-30 | 2012-03-21 | 常熟市永祥机电有限公司 | Thermistor heater |
| CN202503676U (en) * | 2011-12-16 | 2012-10-24 | 穆国强 | Isolation insulating metal PTC heater provided with connecting seat |
| CN104378852A (en) * | 2014-11-14 | 2015-02-25 | 常熟市林芝电热器件有限公司 | PTC heater support and PTC heater provided with PTC heater support |
| CN104640250A (en) * | 2013-11-08 | 2015-05-20 | 美的集团股份有限公司 | PTC (positive temperature coefficient) heater and air conditioner with same |
| CN105228269A (en) * | 2015-10-14 | 2016-01-06 | 常熟市林芝电热器件有限公司 | The PTC heater of air conditioner |
| CN105451377A (en) * | 2015-11-30 | 2016-03-30 | 芜湖恒美电热器具有限公司 | PTC heater capable of preventing radiating fins from falling off |
| CN106604428A (en) * | 2016-11-02 | 2017-04-26 | 孝感华工高理电子有限公司 | PTC heater and assembly method thereof |
| CN107504664A (en) * | 2017-08-18 | 2017-12-22 | 广东美的制冷设备有限公司 | Electric heater component and air conditioner |
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-
2018
- 2018-02-10 CN CN201810138417.2A patent/CN108235459B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108235459A (en) | 2018-06-29 |
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Country or region after: China Address after: 314300 North A District of Baibu Town Industrial Park, Haiyan County, Jiaxing City, Zhejiang Province Applicant after: ZHEJIANG QILI ELECTRIC TECHNOLOGY Co.,Ltd. Address before: 314300 North A District of Baibu Town Industrial Park, Haiyan County, Jiaxing City, Zhejiang Province Applicant before: JIAXING QILI ELECTRICAL APPLIANCE Co.,Ltd. Country or region before: China |
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