CN207304950U - A kind of ptc heater - Google Patents
A kind of ptc heater Download PDFInfo
- Publication number
- CN207304950U CN207304950U CN201720994652.0U CN201720994652U CN207304950U CN 207304950 U CN207304950 U CN 207304950U CN 201720994652 U CN201720994652 U CN 201720994652U CN 207304950 U CN207304950 U CN 207304950U
- Authority
- CN
- China
- Prior art keywords
- ptc heater
- insulating materials
- electrode
- electrode coating
- heater elements
- 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.)
- Active
Links
Abstract
The utility model provides a kind of ptc heater, including PTC heater elements, PTC heater element both side surfaces are symmetrically coated with electrode coating, there is distance between each outer edge of electrode coating of smearing and each corresponding outer edge of PTC heater elements, electrode coating surface and electrode coating on the non-overlapped face of PTC heater elements with being equipped with silica gel, PTC heater elements are bonded with electrode plate by silica gel, the first insulating materials is equipped with the outside of electrode plate, first insulating materials is wrapped with the second insulating materials, and the second insulating materials is wrapped with for fixed metal tube.A kind of ptc heater of the utility model, solves the problems, such as that traditional ptc heater is applied to inside and has detonation present in the cathode of lithium battery coating apparatus of inflammable gas.
Description
Technical field
A kind of ptc heater is the utility model is related to, it is particularly a kind of applied to lithium battery positive and negative electrode coating apparatus
Ptc heater.
Background technology
Ptc heater have the characteristics that it is energy saving in surface automatic constant-temperature and practical application, largely be applied to lithium battery just
On anode coating apparatus, but traditional ptc heater has the following disadvantages：
1. traditional ptc heater uses insulation film low as unique insulating layer, the class of insulation.
2.PTC component breakdowns or because other reasons cause heater body short-circuit, when heater body is short-circuit, local temperature
Degree up to more than 1,000 degree, and outside insulation film and traditional ptc heater using the fusing point of aluminum pipe below 1,000 degree,
When there is short circuit, spark easily burns aluminum pipe and outside heater, and then there is the risk for triggering fire.
3. traditional ptc heater only has overtemperature prote, without overcurrent and short-circuit protection.Once overcurrent occur can be to equipment electricity
Cause to damage in road.
Therefore, the cathode of lithium battery that traditional ptc heater with disadvantages mentioned above is applied to inside has inflammable gas applies
In cloth equipment, there are larger security risk, therefore it is badly in need of solving ptc heater applied on lithium battery positive and negative anodes coating apparatus
Explosion-proof problem.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of ptc heater, to solve traditional ptc heater
There is detonation problem present in the cathode of lithium battery coating apparatus of inflammable gas applied to inside.
The utility model provides a kind of ptc heater, including PTC heater elements, the PTC heater elements both side surface
It is symmetrical to be coated with electrode coating, each outer edge of the electrode coating and each corresponding outer edge of the PTC heater elements of smearing it
Between have a distance, the electrode coating surface and the electrode coating with being equipped with silica gel on the non-overlapped face of PTC heater elements,
The PTC heater elements are bonded with electrode plate by silica gel, are equipped with the first insulating materials on the outside of the electrode plate, described first is exhausted
Edge material is wrapped with the second insulating materials, and second insulating materials is wrapped with for fixed metal tube.
Further, the metal tube both sides are equipped with the wavy metal bar for radiating.
Further, the distance is not less than 0.5mm.
Further, the width of the electrode plate is not more than the width of the electrode coating.
Further, first insulating materials is insulating ceramic film, and second insulating materials is insulation film.
Further, the gap on the outside of second insulating materials between the metal tube and second insulating materials
Gap between inner side and other components is equipped with refractory insulating material.
Further, the refractory insulating material is magnesium oxide powder.
Further, the outer lead being electrically connected with the electrode plate is further included, outer lead is equipped with protective device.
Further, the protective device is fuse.
The utility model compared with prior art, passes through each outer edge of electrode coating and each corresponding outside of PTC heater elements
The setting of distance between so that PTC element electrode coating area is less than PTC element area, so as to add PTC two up and down
Creepage distance between electrode coating, effectively reduces the risk of sparking, while a kind of ptc heater overall structure sets and causes
PTC element heating power region is fully wrapped around in insulating ceramic film and magnesium oxide powder, forms an insulation and heat-resisting 2,000
The insulation explosion-proof layer of high temperature more than degree Celsius.
Brief description of the drawings
Fig. 1 is a kind of vertical view half section structure diagram of ptc heater of the utility model；
Fig. 2 is the relation schematic diagram of PTC heater elements 1 and electrode coating 2 in a kind of ptc heater of the utility model；
Fig. 3 is the relation schematic diagram of PTC heater elements 1 and electrode plate 3 in a kind of ptc heater of the utility model；
Fig. 4 is the schematic diagram that a kind of ptc heater of the utility model is connected with outer lead.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of ptc heater of the utility model, including PTC heater elements 1,1 both sides of PTC heater elements
Surface is symmetrically coated with electrode coating 2, between the 2 each outer edge of electrode coating and each corresponding outer edge of PTC heater elements 1 of smearing
There are distance 10,2 surface of electrode coating and electrode coating 2 with being equipped with silica gel 5, PTC fevers on 1 non-overlapped face of PTC heater elements
Element 1 is bonded with electrode plate 3 by silica gel 5, and the outside of electrode plate 3 is equipped with the first insulating materials 4,4 outer wrapping of the first insulating materials
There is the second insulating materials 6, the second insulating materials 6 is wrapped with for fixed metal tube 7.One kind as the utility model is real
Mode is applied, the first insulating materials 4 is insulating ceramic film, and the second insulating materials 6 is insulation film.
Between gap and the inner side of the second insulating materials 6 and other components between the outside of second insulating materials 6 and metal tube 7
Gap be equipped with refractory insulating material 8.As a kind of embodiment of the utility model, refractory insulating material 8 is magnesia
Powder.Glued between PTC heater elements and metal electrode board and with hot setting silica gel between metal electrode board and insulating ceramic film
Connect, the combination that PTC heater elements, electrode plate and insulating ceramic film bonding are completed, with polyimide insulative film, penetrates gold successively
Belong to pipe, metal tube one end is sealed with silica gel plug, then metal tube is pressed with press.A kind of ptc heater of the utility model
Overall structure, which is set, make it that PTC element heating power region is fully wrapped around in insulating ceramic film and magnesium oxide powder, forms one
A insulation and the insulation explosion-proof layer of heat-resisting more than 2,000 degrees Celsius high temperature.
7 both sides of metal tube are equipped with the wavy metal bar 9 for radiating.
As shown in Fig. 2, in the utility model between 2 each outer edge of electrode coating and each corresponding outer edge of PTC heater elements 1
Distance be not less than 0.5mm, set by distance between each outer edge of electrode coating and each corresponding outer edge of PTC heater elements
Put so that PTC element electrode coating area is less than PTC element area, add PTC up and down between two electrode coatings climb electricity away from
From effectively reducing the risk of sparking.
As shown in figure 3, the width 12 of electrode plate 3 is not more than the width of electrode coating 2.In manufacturing process, PTC heater elements
It is be bonded with metal electrode board silica gel, and left and right metal electrode board is secured centrally to fixture a left side for PTC heater elements respectively
Right flank, the distance between each outer edge of metal electrode board and each corresponding outer edge of PTC heater elements 13 is more than after being adhesively fixed
Or equal to 0.5mm, ensure that the creepage distance between electrode coating is not reduced, when PTC heater elements are arranged, left and right ends are necessary
Respectively at least provided with 1 insulating ceramic film.
As shown in figure 4, outer lead is electrically connected in two electrode plates 3, wherein outer lead is equipped with protective device
11.As a kind of embodiment of the utility model, protective device 11 is fuse, which is the fusing reaction time several
Ten milliseconds of high speed fuse, overcurrent or short circuit can be substantially reduced when overcurrent or short circuit, high speed fuse occur for ptc heater
Caused energy, and then protect the safety of ptc heater external environment condition.
Although the utility model has shown and described with reference to specific embodiment, those skilled in the art will manage
Solution：In the case where not departing from the spirit and scope of the utility model limited by claim and its equivalent, can herein into
Various change in row form and details.
Claims (9)
- A kind of 1. ptc heater, it is characterised in that：Including PTC heater elements (1), PTC heater elements (1) both side surface Electrode coating (2) symmetrically is coated with, the electrode coating (2) each outer edge of smearing and the PTC heater elements (1) are each corresponding There are distance (10), electrode coating (2) surface and the electrode coating (2) and the PTC heater elements (1) between outer edge Silica gel (5) is equipped with non-overlapped face, the PTC heater elements (1) are bonded with electrode plate (3) by silica gel (5), the electrode The first insulating materials (4) is equipped with the outside of plate (3), first insulating materials (4) is wrapped with the second insulating materials (6), described Second insulating materials (6) is wrapped with for fixed metal tube (7).
- A kind of 2. ptc heater according to claim 1, it is characterised in that：Metal tube (7) both sides, which are equipped with, to be used to dissipate The wavy metal bar (9) of heat.
- A kind of 3. ptc heater according to claim 1, it is characterised in that：The distance (10) is not less than 0.5mm.
- A kind of 4. ptc heater according to claim 1, it is characterised in that：The width (12) of the electrode plate (3) is little Width in the electrode coating (2).
- A kind of 5. ptc heater according to claim 1, it is characterised in that：First insulating materials (4) is made pottery for insulation Tile, second insulating materials (6) are insulation film.
- A kind of 6. ptc heater according to claim 5, it is characterised in that：Second insulating materials (6) outside and institute State the gap on the inside of the gap between metal tube (7) and second insulating materials (6) between other components and be equipped with fire resisting Insulating materials (8).
- A kind of 7. ptc heater according to claim 6, it is characterised in that：The refractory insulating material (8) is magnesia Powder.
- A kind of 8. ptc heater according to claim 1, it is characterised in that：Further include and electrically connect with the electrode plate (3) The outer lead connect, outer lead are equipped with protective device (11).
- A kind of 9. ptc heater according to claim 8, it is characterised in that：The protective device (11) is fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720994652.0U CN207304950U (en) | 2017-08-10 | 2017-08-10 | A kind of ptc heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720994652.0U CN207304950U (en) | 2017-08-10 | 2017-08-10 | A kind of ptc heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207304950U true CN207304950U (en) | 2018-05-01 |
Family
ID=62449164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720994652.0U Active CN207304950U (en) | 2017-08-10 | 2017-08-10 | A kind of ptc heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207304950U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020225293A1 (en) * | 2019-05-07 | 2020-11-12 | Swerail Ab | Heating element for din rail |
| CN112911739A (en) * | 2021-01-25 | 2021-06-04 | 深圳市天翔宇科技有限公司 | Method for manufacturing PTC liquid heater |
-
2017
- 2017-08-10 CN CN201720994652.0U patent/CN207304950U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020225293A1 (en) * | 2019-05-07 | 2020-11-12 | Swerail Ab | Heating element for din rail |
| CN112911739A (en) * | 2021-01-25 | 2021-06-04 | 深圳市天翔宇科技有限公司 | Method for manufacturing PTC liquid heater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210668608U (en) | Device for balancing temperature of battery electrode | |
| CN207834423U (en) | A kind of lithium battery explosion-proof casing | |
| CN207304950U (en) | A kind of ptc heater | |
| JP2017525125A (en) | About one electric heating device and its manufacturing method | |
| KR20170044658A (en) | Electric heating device and preparation method therefor | |
| CN104768243A (en) | Graphite sheet electrical heating component and manufacturing method thereof | |
| CN108123188A (en) | A kind of battery for promoting the capacity of heat transmission | |
| CN106531587A (en) | Overcurrent protection device and manufacturing method thereof | |
| CN212227202U (en) | Heating plate connector | |
| CN213816367U (en) | Prevent short circuit utmost point ear and electric core | |
| CN206136327U (en) | Practical liquid PTC heater | |
| CN208127333U (en) | Secondary cell | |
| CN209216907U (en) | A kind of fuse with buffer interlayer | |
| CN208567098U (en) | Face electric heater | |
| CN213936437U (en) | Single battery module with high security | |
| CN200997329Y (en) | Simple pressure-sensitive resistor of arc-suppressing and flame-retardant explosion-proof | |
| CN205354785U (en) | Incombustible piezo -resistor | |
| CN101616511A (en) | Ceramic heating element, ceramic heating assembly and preparation method thereof | |
| CN107666014A (en) | A kind of safety-type soft package lithium ion cell polar ear | |
| CN201174788Y (en) | Low temperature co-fired ceramic heater | |
| CN206905264U (en) | A kind of electric heater integrative packaging electric heating chamber | |
| CN203136201U (en) | An energy-saving carbon crystal heat-generating body | |
| CN209314119U (en) | A kind of heat delivery surface is electrically insulating material face scale inhibition electric heater | |
| CN207399531U (en) | New-energy automobile heater heating element | |
| CN106129526A (en) | Set of cells and the electrokinetic cell with this set of cells |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |