CN206098068U

CN206098068U - Fusing resistor

Info

Publication number: CN206098068U
Application number: CN201621076769.2U
Authority: CN
Inventors: 李建忠
Original assignee: Chongqing Yikai Technology Co Ltd
Current assignee: Chongqing Yikai Technology Co Ltd
Priority date: 2016-09-23
Filing date: 2016-09-23
Publication date: 2017-04-12
Anticipated expiration: 2026-09-23

Abstract

The utility model discloses a fusing resistor, including lead -out wire, protective layer and resistor color ring guide coat, the cap is connected to the lead -out wire, and the cap is located the inboard of protective layer, the cap symmetry sets up the both ends on the metallic conduction layer, the outer wall winding on metallic conduction layer has the resistance area, set up thermal insulating plate and side board between cap and the metallic conduction layer, and the side board is close to cap one side, the inside parcel on metallic conduction layer has basic skeleton, the binding post at basic skeleton both ends connects the cap, cut groove is cut to basic skeleton's inner wall setting, and cuts cut groove's the inside epoxy of packing piece. Have good electrical stability, it is respond well to fuse moreover, high temperature resistant layer is protected the resistor, and the effectual life who improves the resistor has good temperature coefficient and higher resistance precision, and excellent performance for electronic market has increased new variety, has widened the electronic market market.

Description

A kind of fusing resistor

Technical field

This utility model is related to fusing resistor technical field, specially a kind of fusing resistor.

Background technology

Fusing resistor is the particular components of a kind of collection resistor and fuse integrated, and its functional characteristics is：In specified work Make under voltage or current condition can normal work for a long time, use as normal resistance, when specified work is occurred more than in circuit When the voltage of work, electric current, the overheated fusing of fusing resistor is protected to circuit.However, current fusing resistor is in circuit When there is voltage, rush of current exception, generally cannot be by the voltage of regulation, current value fusing, it is impossible to which due is played to circuit Protective effect, the serious loss for even causing to retrieve to commercial production.Also there are many metal epitheliums in the market Formula resistor, but most of resistor structure is not simple enough, not with good temperature coefficient and higher resistance accuracy, shadow Ring overall performance；And, extraneous high temperature easily causes the damage of resistor element, reduces the use longevity of resistor Life, in addition, common resistor in specific hot environment cannot meet the needs of equipment.

Utility model content

The purpose of this utility model is to provide a kind of fusing resistor, with asking for solving to propose in above-mentioned background technology Topic.

For achieving the above object, this utility model provides following technical scheme：A kind of fusing resistor, including lead-out wire, Protective layer and resistor colour circle guide coat, the lead-out wire are arranged on the two ends center of protective layer, the resistor color Ring guide coat is wrapped in the periphery of protective layer in a ring, and the lead-out wire connects cap, and cap is located at the inner side of protective layer, The cap is symmetricly set on the two ends of metal conducting layer, and the outer wall of the metal conducting layer is wound with resistor, the cap Thermal insulative board and side panel are set and metal conducting layer between, and side panel is near cap side, the inside of the metal conducting layer Basic framework is enclosed with, the binding post connection cap at the basic framework two ends, the inwall of the basic framework arrange cutting Groove, and the inside filling epoxy resin block of cutting groove.

Preferably, the cap is shaped as horizontal " recessed " shape, and lead-out wire connects the center of cap.

Preferably, there is slanted angle in the inwall of the cutting groove and basic framework, and the scope of slanted angle be 10 °- 15 °, the cutting groove curl is arranged in the inwall of basic framework.

Preferably, inner insulating layer is set between the metal conducting layer and protective layer.

Preferably, the quantitative range of the cutting groove is 8-15, and cutting groove is symmetricly set on the inwall of basic framework.

Compared with prior art, the beneficial effects of the utility model are：The fusing resistor, electrically stablizes with good Property, and fusing work well；High-temperature-resistant layer is protected to resistor, effectively raises the service life of resistor, whole Body simple structure is easy to do, and design science rationally, with good temperature coefficient and higher resistance accuracy, function admirable, is electricity Sub- market increased new kind, widen electronic market market.

Description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is lateral cross section structural representation of the present utility model；

Fig. 3 is resistor structural representation of the present utility model.

In figure：1 lead-out wire, 2 protective layers, 3 resistor colour circle guide coats, 4 caps, 5 basic frameworks, 6 epoxy resin blocks, 7 cutting grooves, 8 metal conducting layers, 9 thermal insulative boards, 10 side panels, 11 binding posts, 12 inner insulating layers, 13 resistors.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole Embodiment.Based on the embodiment in this 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 this utility model protection.

Fig. 1-3 are referred to, this utility model provides a kind of technical scheme：A kind of fusing resistor, including lead-out wire 1, guarantor Sheath 2 and resistor colour circle guide coat 3, the lead-out wire 1 are arranged on the two ends center of protective layer 2, the resistor Colour circle guide coat 3 is wrapped in the periphery of protective layer 2, the connection cap 4 of the lead-out wire 1 in a ring, and cap 4 is located at protective layer 2 inner side, the cap 4 are shaped as horizontal " recessed " shape, and lead-out wire 1 connects the center of cap 4, the cap 4 The two ends of metal conducting layer 8 are symmetricly set on, inner insulating layer 12, the gold are set between the metal conducting layer 8 and protective layer 2 The outer wall of category conductive layer 8 is wound with resistor 13, and thermal insulative board 9 and side panel are arranged between the cap 4 and metal conducting layer 8 10, and side panel 10, near 4 side of cap, the internal package of the metal conducting layer 8 has basic framework 5, the basic framework 5 The connection cap 4 of binding post 11 at two ends, the inwall of the basic framework 5 arrange cutting groove 7, the cutting groove 7 and basic bone There is slanted angle in the inwall of frame 5, and the scope of slanted angle is 10 ° -15 °, and 7 curl of the cutting groove is arranged in substantially The inwall of skeleton 5, the quantitative range of the cutting groove 7 is 8-15, and cutting groove 7 is symmetricly set on the inwall of basic framework 5, And the inside filling epoxy resin block 6 of cutting groove 7.

Operation principle：The fusing resistor, when there is electric current to pass through the resistor, connecing inside the connection cap 4 of lead-out wire 1 Line terminals 11, carry out current blocked by the cutting groove 7 inside basic framework 5 and epoxy resin block 6, while metal conducting layer 8 The resistor 13 of outer wall winding plays a role, and coordinates thermal insulative board 9 and inner insulating layer 12 to carry out the insulative effectiveness of bilateral, improves resistance The service life of device, protective layer 2 and resistor colour circle guide coat 3 can have prevention to make the destruction that may be subject to outside which With.The fusing resistor, with good electric stability, and fusing works well；High-temperature-resistant layer is protected to resistor Shield, effectively raises the service life of resistor, and overall structure is simply easy to do, and design science is reasonable, with good temperature Coefficient and higher resistance accuracy, function admirable, are that electronic market increased new kind, have widened electronic market market.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, Be appreciated that these embodiments can be carried out various changes in the case of without departing from principle of the present utility model and spirit, repair Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of fusing resistor, including lead-out wire (1), protective layer (2) and resistor colour circle guide coat (3), the extraction Line (1) is arranged on the two ends center of protective layer (2), and the resistor colour circle guide coat (3) is wrapped in protection in a ring The periphery of layer (2), it is characterised in that：The lead-out wire (1) connection cap (4), and cap (4) is positioned at the inner side of protective layer (2), The cap (4) is symmetricly set on the two ends of metal conducting layer (8), and the outer wall of the metal conducting layer (8) is wound with resistor (13), thermal insulative board (9) and side panel (10) are set between the cap (4) and metal conducting layer (8), and side panel (10) is close There is a basic framework (5) cap (4) side, the internal package of the metal conducting layer (8), and basic framework (5) two ends connect Line terminals (11) connection cap (4), the inwall of the basic framework (5) arrange cutting groove (7), and the inside of cutting groove (7) is filled out Fill epoxy resin block (6).

2. a kind of fusing resistor according to claim 1, it is characterised in that：Being shaped as the cap (4) is horizontal " recessed " shape, and the center of lead-out wire (1) connection cap (4).

3. a kind of fusing resistor according to claim 1, it is characterised in that：The cutting groove (7) and basic framework (5) Inwall there is slanted angle, and the scope of slanted angle is 10 ° -15 °, and cutting groove (7) curl is arranged in substantially The inwall of skeleton (5).

4. a kind of fusing resistor according to claim 1, it is characterised in that：The metal conducting layer (8) and protective layer (2) inner insulating layer (12) is set between.

5. a kind of fusing resistor according to claim 1, it is characterised in that：The quantitative range of the cutting groove (7) is 8-15, and cutting groove (7) is symmetricly set on the inwall of basic framework (5).