CN109994293A - A kind of resistor of built-in metal skin temperature fuse - Google Patents
A kind of resistor of built-in metal skin temperature fuse Download PDFInfo
- Publication number
- CN109994293A CN109994293A CN201910347484.XA CN201910347484A CN109994293A CN 109994293 A CN109994293 A CN 109994293A CN 201910347484 A CN201910347484 A CN 201910347484A CN 109994293 A CN109994293 A CN 109994293A
- Authority
- CN
- China
- Prior art keywords
- shell
- metal
- ceramic tube
- fixed
- retaining ring
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C3/00—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
- H01C3/14—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element being formed in two or more coils or loops continuously wound as a spiral, helical or toroidal winding
- H01C3/20—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element being formed in two or more coils or loops continuously wound as a spiral, helical or toroidal winding wound on cylindrical or prismatic base
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/055—Fusible members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/143—Electrical contacts; Fastening fusible members to such contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/165—Casings
- H01H85/175—Casings characterised by the casing shape or form
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fuses (AREA)
Abstract
The invention discloses a kind of resistors of built-in metal skin temperature fuse, including metal shell, connect shell, Thermal Cutoffs, insulating materials, first pin, ceramic tube, retaining ring, metal conductive cap, second pin and resistance wire winding, metal shell one end is fixed with connection shell, Thermal Cutoffs has been plugged and fixed in metal shell inner wall, and the lead of Thermal Cutoffs one end is fixedly connected with shell inner wall is connect, metal shell inner wall is filled with insulating materials far from one end of connected with outer casing, and the lead of one end far from connection shell on Thermal Cutoffs passes through insulating materials and is fixed with the first pin, metal shell outer sheath is fixed with ceramic tube, ceramic tube is cylindrical tube, and ceramic tube is arranged close to one end of connection shell in sealing, one end far from connection shell on the outside of metal shell is fixed with retaining ring, this built-in metal skin temperature fuse Resistor structure is simple, prevents Thermal Cutoffs from falling off with ceramic tube, and stability is preferable, and small volume, is easy to use.
Description
Technical field
The present invention relates to resistor technologies field, specially a kind of resistor of built-in metal skin temperature fuse.
Background technique
Fuse-resistor part is mainly used in electric appliance and electronic product equipment and its components, is in a kind of electronic product
Thermal device, fuse-resistor used in general electric equipment products, mainly that overcurrent or overvoltage etc. occurs is different
When normal state, so that insurance silk thread is fused in advance, reach protection circuit to cut off electric current！
It is mainly formed in the prior art in typical temperature fuse and resistance unit structure with ceramic material, and Thermal Cutoffs is fixed
Since ceramics belong to frangible easily worn part on porcelain tube, it is easy to make Thermal Cutoffs and resistor porcelain when generating external contact collision
Pipe falls off, and typical temperature fuse, which is located on porcelain tube also to need to set to Thermal Cutoffs, sets conduction on protection figure layer and porcelain tube
Pipe, structure is complicated, and stability is poor；
And existing fuse-resistor volume is larger.For this purpose, it is proposed that a kind of built-in metal skin temperature fuse
Resistor.
Summary of the invention
The purpose of the present invention is to provide a kind of resistors of built-in metal skin temperature fuse, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the invention provides the following technical scheme: a kind of electricity of built-in metal skin temperature fuse
Hinder device, including metal shell, connection shell, Thermal Cutoffs, insulating materials, the first pin, ceramic tube, retaining ring, metal conductive cap,
Second pin and resistance wire winding, described metal shell one end are fixed with connection shell, and the metal shell inner wall has been plugged and fixed
Thermal Cutoffs, and the lead of Thermal Cutoffs one end is fixedly connected with shell inner wall is connect, the metal shell inner wall is far from even
One end of shell is connect filled with insulating materials, and the lead of one end far from connection shell on Thermal Cutoffs is solid across insulating materials
Surely there is the first pin, the metal shell outer sheath is fixed with ceramic tube, and the ceramic tube is cylindrical tube, and ceramic tube is close
One end of shell is connected in sealing setting, one end far from connection shell is fixed with retaining ring on the outside of the metal shell, and ceramic tube with
The clamping of retaining ring inner wall, the ceramic tube are fixed with metal conductive cap, the metal conductive cap far from one end outside of retaining ring
Outside is fixed with second pin, and resistance wire winding, described resistance wire winding one end and retaining ring electricity are wound on the outside of the ceramic tube
Property connection, and the resistance wire winding other end and metal conductive cap are electrically connected.
Preferably, the metal shell, connection shell and retaining ring are in be integrally formed setting.
Preferably, the metal shell, connection shell and retaining ring are a kind of iron tin plated materials.
Preferably, the insulating materials is a kind of epoxy resin.
Preferably, the internal diameter of the metal conductive cap is greater than the outer diameter of ceramic tube.
Compared with prior art, the beneficial effects of the present invention are:
1, Thermal Cutoffs of the present invention is plugged in metal shell, and the pin of Thermal Cutoffs one end is fixed with shell is connect,
And the lead of the other end pass through metal shell, and between metal shell by insulating materials filling encapsulation, so as to gold
Belonging to casing insulation, metal shell is fixed with retaining ring, and metal shell, connection shell and retaining ring are that a kind of iron tin plated materials are made,
Make conductive between metal shell, connection shell and retaining ring, metal shell outer sheath is equipped with ceramic tube, and ceramic tube one end and retaining ring and
Gap between metal shell connects and fixes, and passes through resistance wire winding and the metal conductive cap electricity for being connected to the ceramic tube other end
Property connection, so that the formation of Thermal Cutoffs and resistance wire winding is connected, this apparatus structure is simple, prevents Thermal Cutoffs and ceramic tube
It falls off, stability is preferable.
2, Thermal Cutoffs of the present invention is plugged on metal shell inner wall, and metal shell is clamped by retaining ring and ceramic tube,
So that Thermal Cutoffs and metal shell is fixed on ceramic inside pipe wall, greatly reduces the overall volume of adjustable resistance device.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is schematic cross-sectional view of the present invention.
In figure: 1, metal shell；2, shell is connected；3, Thermal Cutoffs；4, insulating materials；5, the first pin；6, ceramic tube；
7, retaining ring；8, metal conductive cap；9, second pin；10, resistance wire winding.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of resistance of built-in metal skin temperature fuse
Device, including metal shell 1, connection shell 2, Thermal Cutoffs 3, insulating materials 4, the first pin 5, ceramic tube 6, retaining ring 7, metal are led
Electric cap 8, second pin 9 and resistance wire winding 10,1 one end of metal shell are fixed with connection shell 2, are convenient for fixed temperature fuse 3
Lead, 1 inner wall of metal shell has been plugged and fixed Thermal Cutoffs 3, and the lead of 3 one end of Thermal Cutoffs with connect in shell 2
Wall is fixedly connected, and 1 inner wall of metal shell is filled with insulating materials 4 far from one end of connected with outer casing, prevents 3 one end of Thermal Cutoffs
Lead and metal shell 1 it is conductive, and the lead of one end far from connection shell 2 on Thermal Cutoffs 3 passes through insulating materials 4 and fixes
There is the first pin 5, convenient for the connection of 3 exterior part of Thermal Cutoffs, 1 outer sheath of metal shell is fixed with ceramic tube 6, ceramic tube
6 be cylindrical tube, and ceramic tube 6 is arranged close to the one end for connecting shell 2 in sealing, the one of the separate connection shell 2 in 1 outside of metal shell
End is fixed with retaining ring 7, and ceramic tube 6 and 7 inner wall of retaining ring are clamped, convenient for the fixation between metal shell 1 and ceramic tube 6, ceramics
Pipe 6 is far from metal conductive cap 8 is fixed on the outside of one end of retaining ring 7, convenient for fixed second pin 9,8 outside of metal conductive cap
It is fixed with second pin 9, resistance wire winding 10 is wound on the outside of ceramic tube 6,10 one end of resistance wire winding electrically connects with retaining ring 7
It connects, and 10 other end of resistance wire winding and metal conductive cap 8 are electrically connected.
Metal shell 1, connection shell 2 and retaining ring 7 are in setting is integrally formed, convenient for metal shell 1, connection shell 2 and retaining ring 7
Processing.
Metal shell 1, connection shell 2 and retaining ring 7 are a kind of iron tin plated materials, prevent metal shell 1, connection shell 2 and gear
7 corrosion of circle.
Insulating materials 4 is a kind of epoxy resin, convenient for the insulation of the lead and metal shell 1 of 3 one end of Thermal Cutoffs.
The internal diameter of metal conductive cap 8 is greater than the outer diameter of ceramic tube 6, convenient for the clamping of metal conductive cap 8 and ceramic tube 6.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of resistor of built-in metal skin temperature fuse, including metal shell (1), connection shell (2), Thermal Cutoffs
(3), insulating materials (4), the first pin (5), ceramic tube (6), retaining ring (7), metal conductive cap (8), second pin (9) and resistance
Filament winding line (10), it is characterised in that: described metal shell (1) one end is fixed with connection shell (2), metal shell (1) inner wall
It has been plugged and fixed Thermal Cutoffs (3), and the lead of Thermal Cutoffs (3) one end is fixedly connected with shell (2) inner wall is connect, it is described
Metal shell (1) inner wall is filled with insulating materials (4) far from one end of connected with outer casing, and far from connection on Thermal Cutoffs (3)
The lead of one end of shell (2) passes through insulating materials (4) and is fixed with the first pin (5), and metal shell (1) outer sheath is fixed with
Ceramic tube (6), the ceramic tube (6) is cylindrical tube, and ceramic tube (6) is in sealing setting, institute close to one end of connection shell (2)
It states one end far from connection shell (2) on the outside of metal shell (1) to be fixed with retaining ring (7), and ceramic tube (6) and retaining ring (7) inner wall card
It connects, the ceramic tube (6) is fixed with metal conductive cap (8), the metal conductive cap far from one end outside of retaining ring (7)
(8) outside is fixed with second pin (9), is wound with resistance wire winding (10), the resistance wire winding on the outside of the ceramic tube (6)
(10) one end and retaining ring (7) are electrically connected, and resistance wire winding (10) other end and metal conductive cap (8) are electrically connected.
2. a kind of resistor of built-in metal skin temperature fuse according to claim 1, it is characterised in that: the gold
Belong to shell (1), connection shell (2) and retaining ring (7) to be arranged in integrated molding.
3. a kind of resistor of built-in metal skin temperature fuse according to claim 1, it is characterised in that: the gold
Belonging to shell (1), connection shell (2) and retaining ring (7) is a kind of iron tin plated materials.
4. a kind of resistor of built-in metal skin temperature fuse according to claim 1, it is characterised in that: described exhausted
Edge material (4) is a kind of epoxy resin.
5. a kind of resistor of built-in metal skin temperature fuse according to claim 1, it is characterised in that: the gold
The internal diameter for belonging to conductive cap (8) is greater than the outer diameter of ceramic tube (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910347484.XA CN109994293A (en) | 2019-04-28 | 2019-04-28 | A kind of resistor of built-in metal skin temperature fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910347484.XA CN109994293A (en) | 2019-04-28 | 2019-04-28 | A kind of resistor of built-in metal skin temperature fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109994293A true CN109994293A (en) | 2019-07-09 |
Family
ID=67133216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910347484.XA Pending CN109994293A (en) | 2019-04-28 | 2019-04-28 | A kind of resistor of built-in metal skin temperature fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109994293A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110838396A (en) * | 2019-12-04 | 2020-02-25 | 湖南省安能电子有限公司 | Magnetic power-off fuse resistor |
| CN113471033A (en) * | 2021-07-20 | 2021-10-01 | 东莞市贝特电子科技股份有限公司 | Composite protector and manufacturing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105321636A (en) * | 2015-12-07 | 2016-02-10 | 安徽昌盛电子股份有限公司 | Axial lead type temperature insurance resistor |
| CN206441595U (en) * | 2017-02-27 | 2017-08-25 | 东莞市泓达电子科技有限公司 | A kind of earthenware Thermal protection type fusing resistor |
| CN209804359U (en) * | 2019-04-28 | 2019-12-17 | 东莞市拓锋电子科技有限公司 | Resistor with built-in metal shell temperature fuse |
-
2019
- 2019-04-28 CN CN201910347484.XA patent/CN109994293A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105321636A (en) * | 2015-12-07 | 2016-02-10 | 安徽昌盛电子股份有限公司 | Axial lead type temperature insurance resistor |
| CN206441595U (en) * | 2017-02-27 | 2017-08-25 | 东莞市泓达电子科技有限公司 | A kind of earthenware Thermal protection type fusing resistor |
| CN209804359U (en) * | 2019-04-28 | 2019-12-17 | 东莞市拓锋电子科技有限公司 | Resistor with built-in metal shell temperature fuse |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110838396A (en) * | 2019-12-04 | 2020-02-25 | 湖南省安能电子有限公司 | Magnetic power-off fuse resistor |
| CN110838396B (en) * | 2019-12-04 | 2022-05-20 | 湖南省安能电子有限公司 | Magnetic power-off fuse resistor |
| CN113471033A (en) * | 2021-07-20 | 2021-10-01 | 东莞市贝特电子科技股份有限公司 | Composite protector and manufacturing method thereof |
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