CN206282672U - A kind of high power thermistor - Google Patents
A kind of high power thermistor Download PDFInfo
- Publication number
- CN206282672U CN206282672U CN201621484688.6U CN201621484688U CN206282672U CN 206282672 U CN206282672 U CN 206282672U CN 201621484688 U CN201621484688 U CN 201621484688U CN 206282672 U CN206282672 U CN 206282672U
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- CN
- China
- Prior art keywords
- heat sensitive
- conductor
- insulator
- internally provided
- sensitive chips
- 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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- 239000004020 conductor Substances 0.000 claims abstract description 43
- 239000012212 insulator Substances 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 20
- 230000007797 corrosion Effects 0.000 claims abstract description 15
- 238000005260 corrosion Methods 0.000 claims abstract description 15
- 239000003063 flame retardant Substances 0.000 claims abstract description 14
- 238000003466 welding Methods 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 10
- 238000009422 external insulation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011224 oxide ceramic Substances 0.000 description 1
Landscapes
- Thermistors And Varistors (AREA)
Abstract
The utility model discloses a kind of high power thermistor, including metal shell and PTC heat sensitive chips, the side of the metal shell is provided with heat carrier, and metal shell is internally provided with outer insulator, the outer insulator is internally provided with fire retardant, the fire retardant is internally provided with high temperature resistant body, and the high temperature resistant body is internally provided with insulator, the insulator is internally provided with NTC heat sensitive chips, and the side of the NTC heat sensitive chips is provided with conductor.The utility model is scientific and reasonable for structure, safe and convenient to use, there is provided PTC heat sensitive chips and NTC heat sensitive chips, solve can not realize it is multi-functional, the wideless problem of the scope of application, there is provided heat carrier, solves the problems, such as to radiate resistance, there is provided increasing welding body, solve the problems, such as to solve to weld easily loosening, there is provided thermostabile bodies, solves the problems, such as non-refractory, there is provided corrosion-resistant body, there is provided easily by the problem of air ambient corrosion.
Description
Technical field
The utility model belongs to thermistor technology field, and in particular to a kind of high power thermistor.
Background technology
NTC themistor is made up of the metal oxide ceramic of formulated, and it can be used to suppress surging high
Electric current.Relative to protected circuit, NTC thermistor has resistance higher；Therefore burst current can be suppressed about 1-2 seconds, then
NTC thermistor resistance will decline because temperature is raised in this period of time, until the pressure drop of thermistor two ends is to can be ignored
Resistance value untill, NTC thermistor is particularly applicable to protect power supply unit.Such as charger for mobile phone, laptop, electricity
Depending on electromechanical source, game electromechanical source, LED power supply etc..As electronic product is to the continuous improvement of performance requirement and energy resources
Increasingly tighten, existing NTC thermistor volume is big, power is small, reliability is low, existing electronic product development can not have been met gradually
Demand.
The not only complex structure of thermistor in the market, and unitary function, be not provided with PTC heat sensitive chips and
NTC heat sensitive chips, it is impossible to realize multi-functional, the scope of application is not wide, is not provided with heat carrier, it is impossible to which resistance is radiated, and does not have
There is setting to increase welding body, it is impossible to solve the problems, such as that welding easily loosens, be not provided with thermostabile bodies, non-refractory is not provided with resistance to
Corrosion body, is easily corroded by air ambient.
Utility model content
The purpose of this utility model is to provide a kind of high power thermistor, to solve what is proposed in above-mentioned background technology
It is not provided with PTC heat sensitive chips and NTC heat sensitive chips, it is impossible to realize multi-functional, the scope of application is not wide, is not provided with heat carrier,
Resistance can not be radiated, be not provided with increasing welding body, it is impossible to solved the problems, such as that welding easily loosens, be not provided with heat-resisting
Body, non-refractory is not provided with corrosion-resistant body, easily by the problem of air ambient corrosion.
To achieve the above object, the utility model provides following technical scheme：A kind of high power thermistor, including metal
Shell and PTC heat sensitive chips, the side of the metal shell is provided with heat carrier, and metal shell is internally provided with external insulation
Body, the outer insulator is internally provided with fire retardant, and the fire retardant is internally provided with high temperature resistant body, the high temperature resistant body
Be internally provided with insulator, the insulator is internally provided with NTC heat sensitive chips, and the side of the NTC heat sensitive chips sets
Conductor is equipped with, the outside of the conductor is provided with protective case, the inside of the protective case near the lower position of metal shell
It is provided with corrosion-resistant body, the corrosion-resistant body is internally provided with conductor insulation, the conductor insulation is internally provided with
Conductor bores, the bottom of the conductor is provided with increasing welding body, and the inside of the insulator is close to the opposite side of NTC heat sensitive chips
Common conductor is provided with position, the PTC heat sensitive chips are arranged on the side of common conductor.
Preferably, the common conductor is respectively with NTC heat sensitive chips and insulator by being welded to connect.
Preferably, the conductor is provided with two altogether, and two conductors are separately mounted to the side and absolutely of NTC heat sensitive chips
The side of edge body.
Preferably, the protective case is provided with three altogether, and three protective cases are uniformly installed in the lower section of metal shell.
Preferably, the outer insulator and conductor insulation are integral type structure.
Preferably, the insulator and high temperature resistant body are integral type structure.
Preferably, the high temperature resistant body and fire retardant are integral type structure.
Compared with prior art, the beneficial effects of the utility model are：The utility model is scientific and reasonable for structure, uses safety
Convenient, there is provided PTC heat sensitive chips and NTC heat sensitive chips, solving can not realize multi-functional, the wideless problem of the scope of application,
There is provided heat carrier, solves the problems, such as to radiate resistance, there is provided increasing welding body, solving can not solve weldering
The problem of easy loosening is connect, there is provided thermostabile bodies, solves the problems, such as non-refractory, there is provided corrosion-resistant body, there is provided easily receiving
The problem of air ambient corrosion.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is protective case structural representation of the present utility model.
In figure：1- outer insulators, 2- metal shells, 3- heat carriers, 4- insulators, 5-PTC heat sensitive chips, 6- are shared and led
Body, 7- increase welding body, 8- protective cases, 9- conductors, 10-NTC heat sensitive chips, 11- high temperature resistants body, 12- fire retardants, 13- conductors
Hole, 14- conductor insulations, the corrosion-resistant bodies of 15-.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of high power thermistor, including outside metal
Shell 2 and PTC heat sensitive chips 5, the side of metal shell 2 is provided with heat carrier 3, and metal shell 2 is internally provided with external insulation
Body 1, outer insulator 1 is internally provided with fire retardant 12, and fire retardant 12 is internally provided with high temperature resistant body 11, high temperature resistant body 11
It is internally provided with insulator 4, insulator 4 is internally provided with NTC heat sensitive chips 10, and the side of NTC heat sensitive chips 10 is provided with
Conductor 9, the outside of conductor 9 is provided with protective case 8 near the lower position of metal shell 2, and being internally provided with for protective case 8 is resistance to
Corrosion body 15, corrosion-resistant body 15 is internally provided with conductor insulation 14, and conductor insulation 14 is internally provided with conductor bores 13,
The bottom of conductor 9 is provided with increasing welding body 7, and the inside of insulator 4 is set at another side position of NTC heat sensitive chips 10
There is common conductor 6, PTC heat sensitive chips 5 are arranged on the side of common conductor 6.
Installed in order to convenient production, in the present embodiment, it is preferred that common conductor 6 respectively with NTC heat sensitive chips 10 and
Insulator 4 is by being welded to connect.
In order to be able to allow thermistor to work, in the present embodiment, it is preferred that conductor 9 is provided with two, and two conductors 9 altogether
It is separately mounted to the side of NTC heat sensitive chips 10 and the side of insulator 4.
In order to guard block, in the present embodiment, it is preferred that protective case 8 is provided with three, and three protective cases 8 altogether
The uniform lower section installed in metal shell 2.
In order to production and application is convenient, in the present embodiment, it is preferred that outer insulator 1 is integral type knot with conductor insulation 14
Structure.
In order to production and application is convenient, in the present embodiment, it is preferred that insulator 4 is integral type structure with high temperature resistant body 11.
In order to production and application is convenient, in the present embodiment, it is preferred that high temperature resistant body 11 is integral type structure with fire retardant 12.
Operation principle of the present utility model and use flow：When producing this thermistor, the bottom of conductor 9 employs increasing
Welding body 7, can be such that resistance is welded more firmly with electrical equipment, while putting protective case 8, corrosion-resistant body is provided with protective case 8
15, etch-proof effect can be played, upper conductor 9 is then welded in NTC heat sensitive chips 10 and PTC heat sensitive chips 5 respectively, then
Common conductor 6 in welding, such thermistor just possesses the performance of positive temperature thermistor and negative temperature thermistor simultaneously, fits
It is wide with scope, after being welded, upper insulator 4, high temperature resistant body 11, fire retardant 12 and outer insulator 1 are poured successively, play resistance to height
Temperature, insulation and fire-retardant effect, then the metal shell 2 with heat carrier 3 on the set of outside, can play a part of heat conduction, side
Just radiate.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out various changes in the case where principle of the present utility model and spirit is not departed from, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of high power thermistor, including metal shell (2) and PTC heat sensitive chips (5), it is characterised in that：The metal
The side of shell (2) is provided with heat carrier (3), and metal shell (2) is internally provided with outer insulator (1), the external insulation
Body (1) is internally provided with fire retardant (12), and the fire retardant (12) is internally provided with high temperature resistant body (11), the high temperature resistant
Body (11) is internally provided with insulator (4), and the insulator (4) is internally provided with NTC heat sensitive chips (10), the NTC
The side of heat sensitive chip (10) is provided with conductor (9), and the outside of the conductor (9) is close to the lower position of metal shell (2)
It is provided with protective case (8), the protective case (8) is internally provided with corrosion-resistant body (15), the inside of the corrosion-resistant body (15)
It is provided with conductor insulation (14), the conductor insulation (14) is internally provided with conductor bores (13), the bottom of the conductor (9)
End is provided with increasing welding body (7), and the inside of the insulator (4) sets at another side position of NTC heat sensitive chips (10)
It is equipped with common conductor (6), side of the PTC heat sensitive chips (5) installed in common conductor (6).
2. a kind of high power thermistor according to claim 1, it is characterised in that：The common conductor (6) respectively with
NTC heat sensitive chips (10) and insulator (4) are by being welded to connect.
3. a kind of high power thermistor according to claim 1, it is characterised in that：The conductor (9) is provided with two altogether
It is individual, and two conductors (9) are separately mounted to the side of NTC heat sensitive chips (10) and the side of insulator (4).
4. a kind of high power thermistor according to claim 1, it is characterised in that：The protective case (8) is provided with altogether
Three, and three protective cases (8) are uniformly installed in the lower section of metal shell (2).
5. a kind of high power thermistor according to claim 1, it is characterised in that：The outer insulator (1) and conductor
Insulator (14) is integral type structure.
6. a kind of high power thermistor according to claim 1, it is characterised in that：The insulator (4) and high temperature resistant
Body (11) is integral type structure.
7. a kind of high power thermistor according to claim 1, it is characterised in that：The high temperature resistant body (11) with it is fire-retardant
Body (12) is integral type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621484688.6U CN206282672U (en) | 2016-12-31 | 2016-12-31 | A kind of high power thermistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621484688.6U CN206282672U (en) | 2016-12-31 | 2016-12-31 | A kind of high power thermistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206282672U true CN206282672U (en) | 2017-06-27 |
Family
ID=59071839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621484688.6U Expired - Fee Related CN206282672U (en) | 2016-12-31 | 2016-12-31 | A kind of high power thermistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206282672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798557A (en) * | 2017-11-17 | 2019-05-24 | 美的集团股份有限公司 | Electromagnetic heating apparatus temp measuring system and electromagnetic heating apparatus |
-
2016
- 2016-12-31 CN CN201621484688.6U patent/CN206282672U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798557A (en) * | 2017-11-17 | 2019-05-24 | 美的集团股份有限公司 | Electromagnetic heating apparatus temp measuring system and electromagnetic heating apparatus |
| CN109798557B (en) * | 2017-11-17 | 2021-03-02 | 美的集团股份有限公司 | Temperature measuring system of electromagnetic heating equipment and electromagnetic heating equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |