CN205789345U - A kind of flat braking iron-clad resistor - Google Patents
A kind of flat braking iron-clad resistor Download PDFInfo
- Publication number
- CN205789345U CN205789345U CN201620496707.0U CN201620496707U CN205789345U CN 205789345 U CN205789345 U CN 205789345U CN 201620496707 U CN201620496707 U CN 201620496707U CN 205789345 U CN205789345 U CN 205789345U
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- China
- Prior art keywords
- heat radiating
- radiating plate
- metallic heat
- resistive element
- lower metallic
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Abstract
This utility model relates to a kind of flat braking iron-clad resistor, including upper and lower metallic heat radiating plate, insulating trip, resistive element part, shaping piece and high-temperature seal adhesive, described resistive element part is laid in the depression between upper and lower metallic heat radiating plate, by insulating trip and shaping piece, resistive element part is spaced with upper and lower metallic heat radiating plate, the gap filled high-temperature fluid sealant between described lower metallic heat radiating plate and resistive element.Compared with prior art, this utility model has the advantages such as volume is little, sealed insulation is good.
Description
Technical field
This utility model relates to a kind of resistor, especially relates to a kind of flat braking iron-clad resistor.
Background technology
Coiling fixed resister has a wide range of applications in industrial control equipment field, and along with present electrical equipment miniaturization
Development trend, and the demand growth of more and more new opplication occasion, some supporting components increasingly require gently
Quantify and densification, more and more harsh to the requirements of installation space of resistor, require certain overload simultaneously
Ability and electric insulation capacity.In this case, the coiling fixed resister of traditional structure cannot fully meet
State requirement.So needing a kind of new design to meet this type of special application demand.
Utility model content
Defect that the purpose of this utility model is contemplated to overcome above-mentioned prior art to exist and provide a kind of volume little,
The flat braking iron-clad resistor that sealed insulation is good, wire is drawn with resistor core surface B alloy wire even in resistance the two poles of the earth
Connecing, connected by low-resistance high-melting-point alloy band spot welding, only wire connects side alloy strip steel rolled stock；Two bobbins
Between, interval mica sheet thickness approximates with cavity heights, and both sides are in close contact with bobbin；Up and down crown cap it
Between surrounding coating silica gel, play seal reinforced insulation effect, there is certain moisture-proof role；Lower plate stretching is used to turn over
Limit, is combined with upper cover riveting, it is ensured that it is smooth that bottom surface is installed, and resistance integral thickness reaches the thinnest requirement, in addition
Spot welding upper and lower covers improves the bond strength of metal shell.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of flat braking iron-clad resistor, including upper and lower metallic heat radiating plate, insulating trip, resistive element part, isolation
Sheet and high-temperature seal adhesive, described resistive element part is laid in the depression between upper and lower metallic heat radiating plate, by absolutely
Resistive element part is spaced by embolium and shaping piece with upper and lower metallic heat radiating plate, described lower metallic heat radiating plate and resistance
Gap filled high-temperature fluid sealant between body.
Described metallic heat radiating plate up and down is provided with for location and fixing metal shell flanging bore.
The described surrounding of metallic heat radiating plate up and down fits tightly mutually and passes through both sides metal shell flanging bore riveting admittedly
Fixed.
Described metallic heat radiating plate up and down is provided with peripheral convex tendon and concave surface for accommodating and position resistive element part.
Described resistive element part includes coiling core body, resistance wire, connection sheet and draws wire, described resistance wire
Being wound on coiling core body, and be connected with being connected sheet one end by welding, the described connection sheet other end is led with extraction
Line connects.
Described coiling core body is the core body that high temperature Muscovitum thin plate is made, and is provided with two pieces, in being close to side by side arrange.
Described resistance wire is the round metal silk made of high-temperature alloy material or flat filament.
Described insulating trip and shaping piece all use the element that high temperature Muscovitum thin plate is made, by resistive element part
Under, middle and both sides place respectively.
Compared with prior art, this utility model has the advantage that
1, this utility model is by using the structure of the two panels molding irony sheet metal flat resistive element of laminating, it is achieved that
Product minimizing in height, effectively reduces the physical dimension of product, the design that rivet hole installing hole is compatible simultaneously
Also make product possess and feature easily is installed.
2, this utility model is by upper and lower insulating trip and the layout of shaping piece, in conjunction with the use of high-temperature seal adhesive, protects
Demonstrate,prove the good insulating performance that product can realize under hot operation with extremely compact structure, the highest realized
The dieletric strength of 4000VAC grade.
3, this utility model combines the use of high-temperature seal adhesive by flange riveting, by tight for upper and lower metallic heat radiating plate
Laminating is fixing, it is achieved the barrier propterty that product is higher.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is this utility model resistive element part-structure schematic diagram.
Wherein 1, upper and lower metallic heat radiating plate；2, insulating trip；3, coiling core body；4, resistance wire；5, sheet is connected；
6, wire is drawn；7, shaping piece；8, high-temperature seal adhesive.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is entered
Row clearly and completely describes, it is clear that described embodiment is a part of embodiment of the present utility model, and not
It is whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making creation
Property work on the premise of the every other embodiment that obtained, all should belong to the scope of this utility model protection.
As it is shown in figure 1, a kind of flat braking iron-clad resistor, its resistive element part is by coiling core body 3, resistance wire
4, connecting sheet 5 and extraction wire 6 forms, resistance wire 4 is uniformly around being formed on coiling core body 3, and two pieces is around core
Body next-door neighbour arrange, all parts all connect fixing with spot welding.
As in figure 2 it is shown, a kind of flat braking iron-clad resistor, its internal structure include upper and lower metallic heat radiating plate 1,
Insulating trip 2, coiling core body 3, resistance wire 4, connection sheet 5, extraction wire 6, shaping piece 7 and high-temperature seal adhesive
8.Wherein coiling core body 3, resistance wire 4, connection sheet 5, extraction wire 6 form resistive element and are laid in upper and lower metal
In depression between heat sink 1, by insulating trip 2 and three pieces of shaping pieces 7 by resistive element and upper and lower metallic heat radiating plate
1 is spaced, and upper and lower metallic heat radiating plate 1 surrounding fits tightly mutually and fixes with both sides flanging bore riveting, up and down gold
The gap belonged between heat sink 1 and resistive element is filled fixing with high-temperature seal adhesive 8.
Described metallic heat radiating plate up and down 1 is mainly made up of ferrum or the steel sheet of band coating, if desired can not also
Rust steel matter substitutes；Side metal shell is shaped with multiple flanging bore, fixed by carrying out through the corresponding through hole of opposite side
Position, and flanging bore riveting is fixed.For the resistor that overall dimensions is bigger, it is possible to by upper and lower heat dissipation metal
The edge of plate 1 contact carries out spot welding and consolidates and edge protection with the entirety ensureing resistance.Flanging bore simultaneously also can conduct
The installation fixing hole of product uses, it is possible to installed by extra through hole on upper and lower metallic heat radiating plate 1；Up and down
Metallic heat radiating plate 1 is designed with peripheral convex tendon and concave surface to accommodate and fully to position coiling core body.
Described coiling core body 3 uses high temperature Muscovitum thin plate to make, and in resistor, two pieces of coiling core bodys are close to side by side
Place；Resistance wire 4 uses the round metal silk or flat filament that high-temperature alloy material makes, and closing twist is wound in around core
On body 3, and it is connected with being connected sheet 5 by welding；Connect sheet 5 and use low-resistivity high-melting-point alloy thin slice,
It is connected with drawing wire 6 also by welding while connecting resistance wire 4, is simultaneously connected with two panels coiling core body, constitute
Complete resistive element loop.
Described insulating trip 2 and shaping piece 7 all use high temperature Muscovitum thin plate to make, by resistive element up and down, in
Between and both sides place respectively, to guarantee resistive element and up and down good between metallic heat radiating plate 1 electric insulation gap and biography
Hot property, simultaneously the most also provides help for resistive element location between metallic heat radiating plate 1.
Between resistive element surrounding, upper and lower metallic heat radiating plate 1, it is filled with high-temperature seal adhesive 8, it is achieved product is good
Barrier propterty, also improve the insulating properties of product simultaneously.
The above, detailed description of the invention the most of the present utility model, but protection domain of the present utility model not office
Being limited to this, any those familiar with the art, can be easily in the technical scope that this utility model discloses
Expect amendment or the replacement of various equivalence, these amendment or replace all should contain protection domain of the present utility model it
In.Therefore, protection domain of the present utility model should be as the criterion with scope of the claims.
Claims (8)
1. a flat braking iron-clad resistor, it is characterised in that include upper and lower metallic heat radiating plate (1), insulation
Sheet (2), resistive element part, shaping piece (7) and high-temperature seal adhesive (8), described resistive element part is laid in
Up and down in the depression between metallic heat radiating plate (1), by insulating trip (2) and shaping piece (7) by resistance body
Divide and be spaced with upper and lower metallic heat radiating plate (1), the described gap between lower metallic heat radiating plate (1) and resistive element
Filled high-temperature fluid sealant (8).
One the most according to claim 1 flat braking iron-clad resistor, it is characterised in that described is upper
Lower metallic heat radiating plate (1) is provided with for location and fixing metal shell flanging bore.
One the most according to claim 2 flat braking iron-clad resistor, it is characterised in that described is upper
Lower metallic heat radiating plate (1) surrounding is fitted tightly mutually and is fixed by both sides metal shell flanging bore riveting.
One the most according to claim 1 flat braking iron-clad resistor, it is characterised in that described is upper
Lower metallic heat radiating plate (1) is provided with peripheral convex tendon and concave surface for accommodating and position resistive element part.
One the most according to claim 1 flat braking iron-clad resistor, it is characterised in that described electricity
Resistance body part includes coiling core body (3), resistance wire (4), connects sheet (5) and draw wire (6), described
Resistance wire (4) is wound on coiling core body (3), and is connected with being connected sheet (5) one end by welding, described
Connection sheet (5) other end with draw wire (6) be connected.
One the most according to claim 5 flat braking iron-clad resistor, it is characterised in that described around
Core body (3) is the core body that high temperature Muscovitum thin plate is made, and is provided with two pieces, in being close to side by side arrange.
One the most according to claim 5 flat braking iron-clad resistor, it is characterised in that described electricity
Resistance silk (4) is the round metal silk made of high-temperature alloy material or flat filament.
One the most according to claim 5 flat braking iron-clad resistor, it is characterised in that described is exhausted
Embolium (2) and shaping piece (7) all use the element that high temperature Muscovitum thin plate is made, by resistive element part up and down,
Middle and both sides are placed respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620496707.0U CN205789345U (en) | 2016-05-26 | 2016-05-26 | A kind of flat braking iron-clad resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620496707.0U CN205789345U (en) | 2016-05-26 | 2016-05-26 | A kind of flat braking iron-clad resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205789345U true CN205789345U (en) | 2016-12-07 |
Family
ID=57408113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620496707.0U Active CN205789345U (en) | 2016-05-26 | 2016-05-26 | A kind of flat braking iron-clad resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205789345U (en) |
-
2016
- 2016-05-26 CN CN201620496707.0U patent/CN205789345U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |