CN208111208U - A kind of high-power thermal resistor - Google Patents
A kind of high-power thermal resistor Download PDFInfo
- Publication number
- CN208111208U CN208111208U CN201820559189.1U CN201820559189U CN208111208U CN 208111208 U CN208111208 U CN 208111208U CN 201820559189 U CN201820559189 U CN 201820559189U CN 208111208 U CN208111208 U CN 208111208U
- Authority
- CN
- China
- Prior art keywords
- thermistor
- cloche
- fusible link
- fixed pin
- thermistor chip
- 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.)
- Expired - Fee Related
Links
- 239000002184 metal Substances 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims description 2
- 230000015556 catabolic process Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Thermistors And Varistors (AREA)
Abstract
The utility model discloses a kind of high-power thermal resistors,Including cloche,The two sides of the cloche are provided with insulation board,The side of the insulation board is provided with elastic slice,The side of the elastic slice is provided with fixed pin,The fixed pin through cloche inside and extend to the outside of cloche,The utility model is provided with fusible link in the side of side thermistor chip,Electric current flows to metal clips by a fixed pin,And a side thermistor chip is flowed to by metal clips,And it eventually flows to another and fixes pin,When have in side thermistor chip and middle part thermistor chip one it is breakdown when,The resistance value of thermistor reduces,Electric current increases,Long-time electric current is excessive,All fusible links can be blown,Thermistor open circuit,Convenient for protecting circuit,When solving using thermistor,Short circuit after thermistor is breakdown,Electronic component easy burn-out on circuit board,Influence the problem of safety that thermistor uses.
Description
Technical field
The utility model belongs to thermistor technology field, and in particular to a kind of high-power thermal resistor.
Background technique
Thermal resistor is one kind of sensing element, is divided into positive temperature coefficient thermistor according to temperature coefficient difference
(PTC) and negative temperature coefficient thermistor (NTC), the typical feature of thermal resistor are temperature sensitive, different temperature
Under show different resistance values, positive temperature coefficient thermistor (PTC) resistance value when temperature is higher is bigger, negative temperature system
Number thermal resistor (NTC) resistance value when temperature is higher is lower, they belong to semiconductor devices.
But thermistor currently on the market still has certain defect during use, for example, using heat
When quick resistance, short circuit after thermistor is breakdown, the electronic component easy burn-out on circuit board influences thermistor use
Safety, simultaneously because thermistor pin frangibility, resistance is difficult to solder to after pin fractures, and influences the use of thermistor
Effect.
Utility model content
The purpose of this utility model is to provide a kind of high-power thermal resistors, mentioned above in the background art to solve
When using thermistor, short circuit after thermistor is breakdown, the electronic component easy burn-out on circuit board influences temperature-sensitive electricity
The safety used is hindered, simultaneously because thermistor pin frangibility, resistance is difficult to solder to after pin fractures, and influences thermistor
Using effect the problem of.
To achieve the above object, the utility model provides the following technical solutions：A kind of high-power thermal resistor, including glass
Cover, the two sides of the cloche are provided with insulation board, and the side of the insulation board is provided with elastic slice, and the side of the elastic slice is set
Be equipped with fixed pin, the fixed pin through cloche inside and extend to the outside of cloche, and fixed pin is logical
It crosses fixing pipe to be fixedly connected with the two sides of cloche, the side of the fixed pin is provided with metal clips, the metal clips
Side be provided with side thermistor chip, the side of the side thermistor chip is provided with fusible link and insulated column, described
Fusible link is located at the side of insulated column, and the side of fusible link and insulated column is connected with middle part thermistor chip, the glass
Top cover fixed frame is provided on the outside of cover, the inside of the top cover fixed frame is fixed with fixture block, the top of the fixture block by card slot
End is provided with top cover, and the fixed pin and metal clips are electrically connected, and the metal clips and side thermistor chip are electrical
Connection, the side thermistor chip and fusible link are electrically connected, and the fusible link and middle part thermistor chip are electrically connected.
Preferably, the top cover is set as insulation lid-like.
Preferably, the fusible link is provided with 12 altogether, and 12 fusible links every six are located at for one group
The two sides of portion's thermistor chip.
Preferably, the cloche is set as rectangular box-like structure.
Preferably, the fixed pin is fixedly connected by fixed column with the two sides of cloche
Compared with prior art, the utility model has the beneficial effects that：
(1) the utility model is provided with fusible link in the side of side thermistor chip, when using thermistor, electric current
Metal clips is flowed to by a fixed pin, and flows to a side thermistor chip by metal clips, is then successively led to
It crosses fusible link and middle part thermistor chip and flows to another side thermistor chip, and eventually flow to another fixation and draw
Foot, when have in side thermistor chip and middle part thermistor chip one it is breakdown when, the resistance value of thermistor reduces, electric current
Increase, long-time electric current is excessive, can blow all fusible links, and thermistor open circuit solves convenient for protection circuit using temperature-sensitive
When resistance, short circuit after thermistor is breakdown, the electronic component easy burn-out on circuit board influences thermistor and uses peace
The problem of full property.
(2) the utility model is provided with top cover on the top of cloche, when user welds thermistor, if breaking disconnected temperature-sensitive
The fixation pin of resistance one end can extract top cover out of top cover fixed frame, and fixture block is detached from the card slot in top cover fixed frame, use
The fixation pin of the other end can be used in person, continues to use thermistor after fractureing convenient for the fixation pin in thermistor, prevents
When using thermistor, due to thermistor pin frangibility, resistance is difficult to solder to after pin fractures, influencing thermistor makes
The problem of with effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the middle part temperature-sensitive resistor core chip architecture schematic diagram of the utility model；
Fig. 3 is the capping top view of the utility model；
In figure：1- insulated column；2- cloche；3- insulation board；The side 4- thermistor chip；5- fixes pin；6- elastic slice；7-
Top cover；8- top cover fixed frame；Thermistor chip in the middle part of 9-；10- metal clips；11- fixing pipe；12- fixture block；13- fusible link.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution：A kind of high-power thermal resistor, including cloche
2, the two sides of cloche 2 are provided with insulation board 3, and the side of insulation board 3 is provided with elastic slice 6, and the side of elastic slice 6 is provided with fixation
Pin 5 fixes pin 5 through the inside of cloche 2 and extends to the outside of cloche 2, and fixed pin 5 passes through fixing pipe
11 are fixedly connected with the two sides of cloche 2, and the side of fixed pin 5 is provided with metal clips 10, convenient for being fixed pin 5,
The side of metal clips 10 is provided with side thermistor chip 4, and the side of side thermistor chip 4 is provided with fusible link 13 and absolutely
Edge column 1, convenient for protection circuit, fusible link 13 is located at the side of insulated column 1, and the side of fusible link 13 and insulated column 1 is connected with
Middle part thermistor chip 9, the outside of cloche 2 are provided with top cover fixed frame 8, and the inside of top cover fixed frame 8 is solid by card slot
Surely have fixture block 12, the top of fixture block 12 is provided with top cover 7, convenient for protecting the fixation pin 5 of 2 one end of cloche, fixed pin 5 with
Metal clips 10 is electrically connected, and metal clips 10 and side thermistor chip 4 are electrically connected, side thermistor chip 4 and fusing
Silk 13 is electrically connected, and fusible link 13 and middle part thermistor chip 9 are electrically connected.
In the present embodiment, it is preferred that top cover 7 is set as insulation lid-like.
In the present embodiment, it is preferred that fusible link 13 is provided with 12 altogether, and 12 fusible link 13 every six are one group
It is located at the two sides of middle part thermistor chip 9.
In the present embodiment, it is preferred that cloche 2 is set as rectangular box-like structure.
In the present embodiment, it is preferred that fixed pin 5 is fixedly connected by fixed column with the two sides of cloche 2.
The working principle and process for using of the utility model：When the utility model is used, when user needs using heat
When quick resistance, two of thermistor fixed pins 5 can be welded to corresponding position, when using thermistor, electric current passes through one
A fixed pin 5 flows to metal clips 10, and flows to a side thermistor chip 4 by metal clips 10, then successively leads to
It crosses fusible link 13 and middle part thermistor chip 9 and flows to another side thermistor chip 4, and eventually flow to another and fix
Pin 5, when have in side thermistor chip 4 and middle part thermistor chip 9 one it is breakdown when, the resistance value of thermistor subtracts
Small, electric current increases, and long-time electric current is excessive, can blow all fusible links 13, and thermistor open circuit prevents thermistor breakdown
Cause short circuit, when user welds thermistor, if breaking the fixation pin 5 of disconnected thermistor one end, can by top cover 7 from
It is extracted in top cover fixed frame 8, fixture block 12 is detached from the card slot in top cover fixed frame 8, and the fixation pin of the other end can be used in user
5, thermistor is continued to use after fractureing convenient for the fixation pin 5 in thermistor.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, and any pair of sheet is practical new
Scheme after type simple transformation belongs to the protection scope of the utility model.
Claims (5)
1. a kind of high-power thermal resistor, including cloche (2), it is characterised in that：The two sides of the cloche (2) are provided with
The side of insulation board (3), the insulation board (3) is provided with elastic slice (6), and the side of the elastic slice (6) is provided with fixed pin
(5), the fixed pin (5) through cloche (2) inside and extend to the outsides of cloche (2), and it is fixed pin (5)
It is fixedly connected by fixing pipe (11) with the two sides of cloche (2), the side of the fixed pin (5) is provided with metal clips
(10), the side of the metal clips (10) is provided with side thermistor chip (4), and the one of the side thermistor chip (4)
Side is provided with fusible link (13) and insulated column (1), and the fusible link (13) is located at the side of insulated column (1), and fusible link (13)
It is connected with middle part thermistor chip (9) with the side of insulated column (1), top cover is provided on the outside of the cloche (2) and fixes
The inside of frame (8), the top cover fixed frame (8) is fixed with fixture block (12) by card slot, and the top of the fixture block (12) is provided with
Top cover (7), the fixed pin (5) and metal clips (10) are electrically connected, the metal clips (10) and side thermistor core
Piece (4) is electrically connected, and the side thermistor chip (4) and fusible link (13) are electrically connected, the fusible link (13) and middle part
Thermistor chip (9) is electrically connected.
2. a kind of high-power thermal resistor according to claim 1, it is characterised in that：The top cover (7) is set as insulating
Lid-like.
3. a kind of high-power thermal resistor according to claim 1, it is characterised in that：The fusible link (13) is provided with altogether
12, and 12 fusible link (13) every six are one group of two sides for being located at middle part thermistor chip (9).
4. a kind of high-power thermal resistor according to claim 1, it is characterised in that：The cloche (2) is set as long
Cube box like structure.
5. a kind of high-power thermal resistor according to claim 1, it is characterised in that：The fixed pin (5) passes through solid
Fixed column is fixedly connected with the two sides of cloche (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820559189.1U CN208111208U (en) | 2018-04-19 | 2018-04-19 | A kind of high-power thermal resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820559189.1U CN208111208U (en) | 2018-04-19 | 2018-04-19 | A kind of high-power thermal resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208111208U true CN208111208U (en) | 2018-11-16 |
Family
ID=64119151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820559189.1U Expired - Fee Related CN208111208U (en) | 2018-04-19 | 2018-04-19 | A kind of high-power thermal resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208111208U (en) |
-
2018
- 2018-04-19 CN CN201820559189.1U patent/CN208111208U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW204418B (en) | ||
| CN104332944B (en) | A kind of pressure-sensitive temperature-sensitive compound type overvoltage over-current protection device | |
| CN208111208U (en) | A kind of high-power thermal resistor | |
| CN208173323U (en) | Thermal protection type varistor | |
| CN211783946U (en) | Temperature acquisition device and electric energy meter | |
| CN209045264U (en) | A kind of Thermal protection type varistor | |
| CN207651440U (en) | A kind of safety disengaging device of MOV module temperatures alloy | |
| CN208908204U (en) | A kind of overheat overcurrent power-off protection device | |
| CN207009382U (en) | A kind of contact pin type Mini-sized protector | |
| CN212624987U (en) | Thermally protected piezoresistor | |
| CN212083546U (en) | Single-hand test fuse cold resistance value tool | |
| CN208570507U (en) | Chip self-recovery fuse | |
| CN214756955U (en) | Safe and reliable's thick film heater | |
| CN216773167U (en) | High-precision fuse resistor | |
| CN204205546U (en) | A kind of pressure-sensitive temperature-sensitive compound type overvoltage over-current protection device | |
| CN204258277U (en) | Based on the lithium battery protection board circuit of NTC paster thermistor element | |
| CN204558407U (en) | Melt | |
| CN214960298U (en) | Integrated circuit device for cloud computing | |
| CN201204173Y (en) | Surge resistance fuse | |
| CN206134399U (en) | Surge protector who has temperature monitoring function | |
| CN207692143U (en) | Protective device and lightning protection device | |
| CN219329606U (en) | Temperature protection circuit and electronic instrument | |
| CN215528605U (en) | Safe type high-reliability surge protector | |
| CN216287811U (en) | Piezoresistor with double-sided thermal protection | |
| CN208422822U (en) | A kind of miniaturization high-current fuse protector |
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: 20181116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |