CN220087497U - 800V5mA high-performance heater - Google Patents
800V5mA high-performance heater Download PDFInfo
- Publication number
- CN220087497U CN220087497U CN202321639386.1U CN202321639386U CN220087497U CN 220087497 U CN220087497 U CN 220087497U CN 202321639386 U CN202321639386 U CN 202321639386U CN 220087497 U CN220087497 U CN 220087497U
- Authority
- CN
- China
- Prior art keywords
- wire outlet
- heater body
- heater
- silica gel
- 800v5ma
- 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000000741 silica gel Substances 0.000 claims abstract description 39
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 39
- 239000003292 glue Substances 0.000 claims abstract description 26
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 10
- 210000002489 tectorial membrane Anatomy 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 230000001012 protector Effects 0.000 claims 2
- 229920001721 polyimide Polymers 0.000 abstract description 9
- 230000001681 protective effect Effects 0.000 abstract description 7
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 231100000572 poisoning Toxicity 0.000 description 3
- 230000000607 poisoning effect Effects 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Landscapes
- Resistance Heating (AREA)
Abstract
The utility model discloses a 800V5mA high-performance heater, which comprises a heater body, wherein a corrugated strip is arranged in the heater body, an aluminum pipe is arranged in the heater body, an insulating heat-conducting film-covered silica gel gasket is arranged in the aluminum pipe, one side of the heater body is provided with a wire outlet end, the other side of the heater body is provided with a waterproof end, the wire outlet end comprises a wire outlet frame sleeved on one side of the heater body, one side of the wire outlet frame is provided with a glue filling hole and an exhaust hole in a penetrating way, a protective coil is arranged in the wire outlet frame, and one side of the protective coil is provided with a wire outlet hole in a penetrating way. According to the 800V5mA high-performance heater, the polyimide film is replaced by the novel film-covered heat-conducting silica gel gasket, so that the voltage resistance performance and the heat conduction efficiency are improved, 800V high-voltage electricity can be tolerated, and the leakage current can be controlled within 5mA under 2850V voltage.
Description
Technical Field
The utility model relates to the technical field of PTC heaters, in particular to a 800V5mA high-performance heater.
Background
The glass defrosting of the electric bus is completed by a defroster, and the internal heat source of the defroster is a PTC heater. Cold air from the outside is sucked by a fan in the defroster and then heated into hot air by the PTC heater, and the hot air is uniformly blown to the inner side of the windshield glass through a defroster air pipe to defrost or defog in a panoramic way, so that the electric motor coach is an important part on the electric motor coach.
At present, the voltage of the whole vehicle platform is raised to 800V and becomes the consensus of the enterprise of the mainstream electric vehicle, but the existing PTC air heating type heater has the following defects:
(1) The existing heater insulating material is made of polyimide film, and then two sides of the polyimide film are encapsulated by glue, but the polyimide film cannot meet the voltage requirement of 800V, and the leakage current cannot be controlled below 5mA safety index under 2850V voltage;
(2) Polyimide film has large thermal resistance, low heating efficiency and easy thermal breakdown;
(3) The simple glue filling is carried out, and a ventilation valve is not arranged, so that thermal breakdown is easy to cause;
(4) The wiring mode is easy to have short circuit fault and can not be graded;
(5) The single-component silica gel is used for filling, so that the glue is not cured for a long time, and the curing effect is affected;
for this we propose a high performance heater of 800V5mA to solve the above problem.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a high-performance heater with 800V5mA, which solves the technical problems mentioned in the background art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a 800V5 mA's high performance heater, includes the heater body, the inside of heater body is provided with the ripple strip, the internally mounted of heater body has the aluminum pipe, the inside of aluminum pipe is provided with insulating heat conduction tectorial membrane silica gel gasket, one side of heater body is provided with the line outlet end, the opposite side of heater body is provided with waterproof end, the line outlet end is including the cover to establish the wire frame in heater body one side, glue filling hole and exhaust hole have been run through to one side of wire outlet frame, the internally mounted of wire frame has the protective coil, the wire outlet hole has been run through to one side of protective coil, the electrode slice is installed to one side of heater body, one side cover of heater body is equipped with waterproof gasket one, the busbar one side is connected with the electric shock nature of electrode slice, waterproof end is including the waterproof frame of cover at the heater body opposite side, the opposite side cover of heater body is equipped with waterproof gasket two, waterproof frame internally mounted has the air valve, follow component glue is gone into the inside of single component glue filling hole to the inside of two glue filling frames.
Preferably, the insulating heat-conducting tectorial membrane silica gel gasket adopts two-layer U type structural design, the busbar adopts copper bar or PCB board.
Preferably, the two sides of the wire outlet frame are provided with wire through holes, and the two wire through holes are semicircular.
Preferably, the two lugs of the wire outlet frame and the waterproof frame are provided with mounting holes, and the interiors of the mounting holes are connected with the inner threads of the heater body through mounting screws.
Preferably, the highest withstand voltage of the insulating heat-conducting film-coated silica gel gasket is 1000V, and the leakage current can be controlled within 5mA under 2850V.
Advantageous effects
The utility model provides a high-performance heater with 800V5 mA. Compared with the prior art, the method has the following beneficial effects:
(1) According to the 800V5mA high-performance heater, the polyimide film is replaced by the novel film-coated heat-conducting silica gel gasket, so that the voltage resistance performance and the heat conduction efficiency are improved, 800V high-voltage electricity can be tolerated, and the leakage current can be controlled within 5mA under 2850V voltage.
(2) This 800V5 mA's high performance heater, novel tectorial membrane heat conduction silica gel gasket adopts two-layer U type structure, both can satisfy the high pressure requirement, and thermal efficiency is also better than simple polyimide film, and the heat dissipation is better, is difficult for thermal breakdown.
(3) According to the 800V5mA high-performance heater, simple glue filling is not performed, but a silica gel pad is added to perform basic waterproof, then glue filling is performed, the glue and an aluminum pipe are adhered to each other to fail due to expansion caused by heat and contraction caused by cold, and the silica gel pad is more elastic and can be used for double-layer waterproof; glue is filled only at the outlet end, and the insulation can be enhanced by filling the glue because the outlet end is complicated in wire connection and needs too high voltage.
(4) The 800V5mA high-performance heater is more flexible in wiring mode, can be hard-connected by copper bars, and can also be connected by PCB (printed circuit board) in a grading manner; the PCB is connected, so that the gear and the position needing heating can be freely distributed, the heating effect is better, and the control is more flexible.
(5) The 800V5mA high-performance heater is characterized in that the glue adopts the high-temperature-resistant double-component silica gel with good foam discharging performance, the double-component silica gel can improve the filling and sealing depth, the double-component silica gel has to have excellent foam discharging performance, but the double-component silica gel is easy to react with a bonding pad and tin of a circuit board, the double-component silica gel can be covered by proper single-component silica gel first, and then the double-component silica gel is filled and sealed, so that the poisoning phenomenon can be prevented, and the silica gel is poisoned, so that the waterproof effect is easy to be greatly reduced.
Drawings
FIG. 1 is a perspective view of an external structure of the present utility model;
fig. 2 is an exploded view of the internal structure of the present utility model.
In the figure: 1. a heater body; 2. a wire outlet end; 3. a waterproof end; 21. a wire outlet frame; 22. a glue filling hole; 23. an exhaust hole; 24. a protective coil; 25. a wire outlet hole; 26. an electrode sheet; 27. a waterproof gasket I; 28. a busbar; 31. a waterproof rack; 32. a waterproof gasket II; 33. a ventilation valve; 6. a wire through hole; 7. a mounting hole; 8. corrugated strips.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides two technical schemes: the method specifically comprises the following examples:
example 1
Referring to fig. 1-2, a high performance heater of 800V5mA includes a heater body 1, a corrugated strip 8 is provided in the heater body 1, an aluminum pipe is provided in the heater body 1, an insulating heat-conducting film-covered silica gel pad is provided in the aluminum pipe, a wire outlet end 2 is provided on one side of the heater body 1, a waterproof end 3 is provided on the other side of the heater body 1, the wire outlet end 2 includes a wire outlet frame 21 sleeved on one side of the heater body 1, a glue filling hole 22 and a vent hole 23 are provided on one side of the wire outlet frame 21, a protective coil 24 is provided in the heater body 21, a wire outlet hole 25 is provided on one side of the protective coil 24, four wire outlet holes 25 are provided on one side of the heater body 1, an electrode plate 26 is provided on one side of the heater body 1, a waterproof pad 27 is provided on one side of the heater body 1, a bus bar 28 is provided on one side of the heater body 1, the waterproof end 3 comprises a waterproof frame 31 sleeved on the other side of the heater body 1, a waterproof gasket II 32 is sleeved on the other side of the heater body 1, a ventilation valve 33 is arranged in the waterproof frame 31, the ventilation valve 33 can discharge high temperature and easily-broken reducing atmosphere, single-component silica gel is filled into the inside of the wire outlet frame 21 from the glue filling hole 22, double-component silica gel is filled into the inside of the wire outlet frame 21 from the glue filling hole 22, glue is filled only at the wire outlet end 2, high voltage is needed because the wire outlet end is connected with a complex wire, the glue filling can strengthen insulation, the waterproof end 3 is not filled with glue, the glue adopts high-temperature resistant double-component silica gel with good foam discharging performance, the double-component silica gel can improve filling depth, the double-component silica gel has excellent foam discharging performance, but the double-component silica gel is easy to react with a bonding pad and tin of a circuit board, the double-component silica gel can be covered by proper single-component silica gel firstly, and then filling and sealing the double-component silica gel, so that the poisoning phenomenon can be prevented, and the waterproof effect is easily reduced greatly due to silica gel poisoning.
Example 2
Based on embodiment 1, referring to fig. 1-2, the insulating heat-conducting film-covered silica gel pad adopts a two-layer U-shaped structural design, the bus bar 28 adopts a copper bar or a PCB board, the bus bar 28 is preferably a copper bar or a PCB board, the bus bar is used as a collecting current, the bus bar can be hard-connected, the PCB board can be used for step connection, the PCB board is connected, the step position can be freely distributed and the position needing to generate heat, the heating effect is better, the control is more flexible, and one side of the bus bar 28 is in abrupt electric shock connection with the electrode plate 26.
The two sides of the wire outlet frame 21 are provided with wire through holes 6, so that the two wire through holes 6 are semicircular.
The highest withstand voltage of insulating heat conduction tectorial membrane silica gel gasket is 1000V, and rated withstand voltage is 800V, and can control leakage current in 5mA under 2850V voltage, both can satisfy the high pressure requirement, and thermal efficiency is better than simple polyimide film yet, and the heat dissipation is better, is difficult for thermal breakdown, utilizes the heat conduction silica gel piece to replace polyimide film, promotes withstand voltage performance and heat conduction efficiency, increases the silica gel pad earlier and does basic waterproof, then the encapsulating, because expend with heat and contract with cold can lead to the bonding inefficacy between glue and the aluminum pipe, and the silica gel piece is more elastic, can regard as double-deck waterproof.
And all that is not described in detail in this specification is well known to those skilled in the art.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (5)
1. A high performance heater of 800V5mA, comprising a heater body (1), characterized in that: the inside of heater body (1) is provided with ripple strip (8), the internally mounted of heater body (1) has the aluminum pipe, the inside of aluminum pipe is provided with insulating heat conduction tectorial membrane silica gel gasket, one side of heater body (1) is provided with wire outlet end (2), the opposite side of heater body (1) is provided with waterproof end (3), wire outlet end (2) are including cover wire outlet frame (21) of establishing in heater body (1) one side, glue filling hole (22) and exhaust hole (23) have been run through to one side of wire outlet frame (21), internally mounted of wire outlet frame (21) has coil protector (24), wire outlet hole (25) have been run through to one side of coil protector (24), electrode slice (26) are installed to one side of heater body (1), waterproof gasket one (27) are installed to one side cover of heater body (1), busbar (28) are installed to one side of busbar (28) and are connected with the abrupt nature of electrode slice (26) in one side, waterproof end (31) are installed to one side of busbar (28) and are connected at the water-proof nature of electrode slice (26), waterproof end (31) are installed at one side of heater body (1), and (3) filling single-component silica gel into the wire outlet frame (21) from the glue filling hole (22), and filling double-component silica gel into the wire outlet frame (21) from the glue filling hole (22).
2. A high performance heater of 800V5mA according to claim 1, wherein: the insulating heat conduction tectorial membrane silica gel gasket adopts two-layer U type structural design, busbar (28) adopt copper bar or PCB board.
3. A high performance heater of 800V5mA according to claim 1, wherein: the two sides of the wire outlet frame (21) are provided with wire through holes (6), and the two wire through holes (6) are semicircular.
4. A high performance heater of 800V5mA according to claim 1, wherein: the wire outlet frame (21) and the waterproof frame (31) are provided with mounting holes (7) on two frame lugs, and the interiors of the mounting holes (7) are connected with the inner threads of the heater body (1) through mounting screws.
5. A high performance heater of 800V5mA according to claim 1, wherein: the highest withstand voltage of the insulating heat-conducting film-coated silica gel gasket is 1000V, and leakage current can be controlled within 5mA under 2850V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321639386.1U CN220087497U (en) | 2023-06-27 | 2023-06-27 | 800V5mA high-performance heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321639386.1U CN220087497U (en) | 2023-06-27 | 2023-06-27 | 800V5mA high-performance heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220087497U true CN220087497U (en) | 2023-11-24 |
Family
ID=88831205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321639386.1U Active CN220087497U (en) | 2023-06-27 | 2023-06-27 | 800V5mA high-performance heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220087497U (en) |
-
2023
- 2023-06-27 CN CN202321639386.1U patent/CN220087497U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |