CN103337431A - Novel fuse - Google Patents
Novel fuse Download PDFInfo
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- CN103337431A CN103337431A CN2013102337871A CN201310233787A CN103337431A CN 103337431 A CN103337431 A CN 103337431A CN 2013102337871 A CN2013102337871 A CN 2013102337871A CN 201310233787 A CN201310233787 A CN 201310233787A CN 103337431 A CN103337431 A CN 103337431A
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- fuse
- conductive seat
- fingertip
- new type
- insulated tube
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Abstract
The invention discloses a novel fuse which comprises a fuse installing insulation tube, wherein a conductive seat is arranged in the fuse installing insulation tube; a fuse wire cylinder is inserted in the conductive seat; a conductive seat assembling body is arranged between the fuse installing insulation tube and the conductive seat; a plurality of conductors are arranged on the circumference of the conductive seat assembling body; a plurality of contact fingers are arranged on the circumference of the conductive seat; each contact finger is corresponding to one conductor; contact finger pressure springs are arranged between the contact fingers and the conductors; every contact finger is contacted with the fuse wire cylinder. 16 contact fingers are arranged on the circumference of the conductive seat; primary terminals are arranged on the wall of the fuse installing insulation tube; a heat dissipation loop is arranged at the inner ends of the primary terminals; an end part heat dissipation part is arranged at the lower end of the fuse installing insulation tube; the end part heat dissipation part is made of red copper stick; grooves are formed in the surface of the end part heat dissipation part. The main return circuit resistance of the fuse is reduced; the heat dissipation capacity of the fuse is improved.
Description
Technical field
The present invention relates to a kind of distribution device, relate in particular to a kind of new type fuse.
Background technology
Fuse refers to when electric current surpasses setting, makes melt fusing, a kind of current protector that uses this principle to make with the heat that itself produces.Fuse is widely used in high and low voltage electric distribution system and control system and the power consumption equipment, as the protector of short circuit and overcurrent, is to use one of the most general protection device.
TPS6-T combined electrical apparatus cabinet is the appliance switch ring main unit of circuit breaker and fuse combination, have good market prospects, but its fuse major loop is subjected to the restriction of local space, and heat-sinking capability is not very desirable.And the size of the loop resistance of high pressure combined electrical apparatus cabinet can reflect assembly quality or the situation of this product to a certain extent.Know the size of loop resistance and the quality relation of being inversely proportional to of switch cubicle temperature rise effect theoretically.Therefore the electric property of combination ring main unit to be improved, the loop resistance of fuse and the heat sinking function of raising fuse will be reduced.
As shown in Figure 1 and Figure 2, the operation principle of TPS6-T fuse is to surpass setting after a period of time according to electric current in the prior art, makes fuse melting with the heat that himself produces, thereby circuit is disconnected.As shown in Figure 3, Figure 4, the fingertip number of its conductive seat is 8, has 4 fingertips to play a supportive role, and all the other 4 fingertips play a supportive role.
There is following shortcoming at least in above-mentioned prior art:
The major loop resistance of fuse is excessive, is unfavorable for the temperature rise of fuse, influences the quality of high pressure combined electrical apparatus cabinet; The heat-sinking capability of crucial electric-conductor is undesirable.
Summary of the invention
The new type fuse that the resistance that the purpose of this invention is to provide a kind of major loop is little, heat-sinking capability is strong.
The objective of the invention is to be achieved through the following technical solutions:
New type fuse of the present invention, comprise fuse installation insulated tube, described fuse is installed in the insulated tube and is provided with conductive seat, grafting fuse unit in the described conductive seat, described fuse is installed between insulated tube and the conductive seat and is provided with the conductive seat assembly, described conductive seat assembly circumferencial direction is provided with a plurality of electric conductors, described conductive seat circumferencial direction is provided with a plurality of fingertips, the corresponding electric conductor of each fingertip, be provided with the fingertip stage clip between the described fingertip electric conductor corresponding with it, each fingertip all contacts with described fuse unit.
As seen from the above technical solution provided by the invention, the new type fuse that the embodiment of the invention provides, because fuse is installed in the insulated tube and is provided with conductive seat, grafting fuse unit in the conductive seat, fuse is installed between insulated tube and the conductive seat and is provided with the conductive seat assembly, conductive seat assembly circumferencial direction is provided with a plurality of electric conductors, the conductive seat circumferencial direction is provided with a plurality of fingertips, the corresponding electric conductor of each fingertip, be provided with the fingertip stage clip between the fingertip electric conductor corresponding with it, each fingertip all contacts with fuse unit, has reduced the resistance of fuse major loop, has namely reduced contact resistance; Improved the heat-sinking capability of fuse.
Description of drawings
Fig. 1 is the contour structures schematic diagram of fuse in the prior art;
Fig. 2 is the sectional structure schematic diagram of fuse in the prior art;
Fig. 3 is the structural representation of conductive seat in the prior art;
Fig. 4 is conductive seat and the fuse unit contacting structure schematic diagram of fuse in the prior art;
The contour structures schematic diagram of the new type fuse that Fig. 5 provides for the embodiment of the invention;
The sectional structure schematic diagram of the new type fuse that Fig. 6 provides for the embodiment of the invention;
Fig. 7 is the structural representation of conductive seat in the embodiment of the invention;
Fig. 8 is conductive seat and fuse unit contacting structure schematic diagram in the embodiment of the invention;
Fig. 9 is the structural representation of conductive seat assembly in the embodiment of the invention;
Figure 10 is the structural representation of a terminal in the embodiment of the invention;
Figure 11 is the structural representation of heat dissipating ring in the embodiment of the invention;
Figure 12 is the structural representation of embodiment of the invention medial end portions heat sink.
Among the figure:
01, handle, 02, plug cock, 03, fuse installs insulated tube, 04, aluminium cover, 05, moving bar, 06, rubber base, 07, Tuo Gai, 08, conductive seat, 09, inserts, 010, screening conductive spare, 011, fuse unit, 012, guide collar, 013, quiet end contact, 014, spring, 015, striker, 016, fuse;
1, terminal, 2, the end radiating element, 3, conductive seat, 4, the conductive seat assembly, 5, heat dissipating ring, 6, fuse unit, 7, be flexible coupling, 8, limiting plate, 9, conducting block, 10, the fingertip stage clip.
Embodiment
To be described in further detail the embodiment of the invention below.
New type fuse of the present invention, its preferable embodiment is:
Comprise fuse installation insulated tube, described fuse is installed in the insulated tube and is provided with conductive seat, grafting fuse unit in the described conductive seat, described fuse is installed between insulated tube and the conductive seat and is provided with the conductive seat assembly, described conductive seat assembly circumferencial direction is provided with a plurality of electric conductors, and described conductive seat circumferencial direction is provided with a plurality of fingertips, the corresponding electric conductor of each fingertip, be provided with the fingertip stage clip between the described fingertip electric conductor corresponding with it, each fingertip all contacts with described fuse unit.
Described electric conductor comprises inwall, outer wall, and described inwall contacts with described fingertip, and described outer wall is installed insulated tube with described fuse and contacted, and is connected by being flexible coupling between described inwall and the outer wall, and described fingertip stage clip is located between described inwall and the outer wall.
The upper and lower of described electric conductor is respectively equipped with limiting plate.
Described conductive seat circumferencial direction is provided with 16 fingertips.
The wall that described fuse is installed insulated tube is provided with terminal one time, and the material of a described terminal is red copper bar, and its surface is provided with groove.
The inner of a described terminal is provided with heat dissipating ring, and the material of described heat dissipating ring is copper tube.
The lower end that described fuse is installed insulated tube is provided with the end heat sink, and the material of described end heat sink is red copper bar, and its surface is provided with groove.
New type fuse of the present invention improves existing fuse on the basis that does not change former fuse overall dimension and bulk loop, has reduced the resistance of fuse major loop, has namely reduced contact resistance; Improved the heat-sinking capability of fuse; Solved the undesirable problem of TPS6-T combined electrical apparatus cabinet temperature rise result.
Specific embodiment:
As Fig. 5, shown in Figure 6, be respectively outline drawing and the cutaway view of present embodiment.
Compared with prior art, its main innovative point has:
1, to the improvement of conductive seat:
As shown in Figure 7, increase conductive seat fingertip quantity, fingertip quantity is increased to 16 by 8 of the prior art, after the improvement, increased the area of dissipation of contact effectively, improved the heat sinking function of fuse.
As shown in Figure 8, increased the area that electrically contacts, had 4 to contact with fuse unit in the prior art in 8 of conductive seat fingertips, all the other 4 fingertips play a supportive role; 16 of conductive seat fingertips all contact with fuse unit in the present embodiment, have increased the area that electrically contacts, and have reduced contact resistance.
As shown in Figure 9, present embodiment has also designed a conductive seat assembly, the effect of this conductive seat assembly mainly contain following some:
(1) total of conductive seat assembly works to support fuse unit.
(2) be flexible coupling, limiting plate and conducting block all can play the effect that increases area of dissipation.
(3) be flexible coupling and work to increase conductive seat with the fingertip stage clip and fuse unit is held power tightly, thereby reduce contact resistance.
2, increase heat sink, improve the heat sinking function of fuse:
In the present embodiment, the heat sink of increase has:
(1) terminal, material are φ 50 red copper bars, and increase groove on its surface, to increase area of dissipation.Its structure as shown in figure 10, mounting means is as shown in Figure 6.
(2) heat dissipating ring, material are φ 92X5 copper tube, are installed between fuse unit and the conductor, fix by screening conductive spare and a terminal, to reach the purpose that reduces the fuse unit temperature.Its structure as shown in figure 11, mounting means is as shown in Figure 6.
(3) end heat sink, material are φ 90 red copper bars, are installed in the end of fuse, and increase groove on its surface, to increase area of dissipation.Its structure as shown in figure 12, mounting means is as shown in Figure 6.
The present invention improves existing fuse key component, increases the area of dissipation of electric-conductor, reduces the loop resistance of fuse; Newly-increased heat sink is to improve the heat sinking function of fuse; Under the situation of change amount minimum, former fuse is improved, solved former fuse temperature rise result and the undesirable problem of heat sinking function.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (7)
1. new type fuse, comprise fuse installation insulated tube, described fuse is installed in the insulated tube and is provided with conductive seat, grafting fuse unit in the described conductive seat, it is characterized in that, described fuse is installed between insulated tube and the conductive seat and is provided with the conductive seat assembly, described conductive seat assembly circumferencial direction is provided with a plurality of electric conductors, described conductive seat circumferencial direction is provided with a plurality of fingertips, the corresponding electric conductor of each fingertip, be provided with the fingertip stage clip between the described fingertip electric conductor corresponding with it, each fingertip all contacts with described fuse unit.
2. new type fuse according to claim 1, it is characterized in that, described electric conductor comprises inwall, outer wall, described inwall contacts with described fingertip, described outer wall is installed insulated tube with described fuse and is contacted, be connected by being flexible coupling between described inwall and the outer wall, described fingertip stage clip is located between described inwall and the outer wall.
3. new type fuse according to claim 2 is characterized in that, the upper and lower of described electric conductor is respectively equipped with limiting plate.
4. new type fuse according to claim 3 is characterized in that, described conductive seat circumferencial direction is provided with 16 fingertips.
5. according to each described new type fuse of claim 1 to 4, it is characterized in that the wall that described fuse is installed insulated tube is provided with terminal one time, the material of a described terminal is red copper bar, and its surface is provided with groove.
6. new type fuse according to claim 5 is characterized in that, the inner of a described terminal is provided with heat dissipating ring, and the material of described heat dissipating ring is copper tube.
7. new type fuse according to claim 6 is characterized in that, the lower end that described fuse is installed insulated tube is provided with the end heat sink, and the material of described end heat sink is red copper bar, and its surface is provided with groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102337871A CN103337431A (en) | 2013-06-13 | 2013-06-13 | Novel fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102337871A CN103337431A (en) | 2013-06-13 | 2013-06-13 | Novel fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103337431A true CN103337431A (en) | 2013-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102337871A Pending CN103337431A (en) | 2013-06-13 | 2013-06-13 | Novel fuse |
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| Country | Link |
|---|---|
| CN (1) | CN103337431A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943435A (en) * | 2014-04-10 | 2014-07-23 | 北京华电瑞通电力工程技术有限公司 | Direct-insert type spiral keeping device for fuse |
| CN109841465A (en) * | 2017-11-24 | 2019-06-04 | 库柏电子科技(上海)有限公司 | Outdoor closed fuse |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200976339Y (en) * | 2006-12-01 | 2007-11-14 | 浙宝电气(杭州)集团有限公司 | Fuse cylinder having heat radiating member |
| CN101465219A (en) * | 2008-08-28 | 2009-06-24 | 上海西门子开关有限公司 | Mume flower contact system |
| CN201340832Y (en) * | 2008-12-18 | 2009-11-04 | 上海大华电器设备有限公司 | Fixed diversion device of high-voltage current-limiting fuse |
| CN101884149A (en) * | 2007-12-05 | 2010-11-10 | 三菱电机株式会社 | Contact device |
| CN102439673A (en) * | 2009-08-12 | 2012-05-02 | Abb技术有限公司 | Tulip contact and electrical contact system for switching device |
| CN203312238U (en) * | 2013-06-13 | 2013-11-27 | 北京合纵科技股份有限公司 | Novel fuse |
-
2013
- 2013-06-13 CN CN2013102337871A patent/CN103337431A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200976339Y (en) * | 2006-12-01 | 2007-11-14 | 浙宝电气(杭州)集团有限公司 | Fuse cylinder having heat radiating member |
| CN101884149A (en) * | 2007-12-05 | 2010-11-10 | 三菱电机株式会社 | Contact device |
| CN101465219A (en) * | 2008-08-28 | 2009-06-24 | 上海西门子开关有限公司 | Mume flower contact system |
| CN201340832Y (en) * | 2008-12-18 | 2009-11-04 | 上海大华电器设备有限公司 | Fixed diversion device of high-voltage current-limiting fuse |
| CN102439673A (en) * | 2009-08-12 | 2012-05-02 | Abb技术有限公司 | Tulip contact and electrical contact system for switching device |
| CN203312238U (en) * | 2013-06-13 | 2013-11-27 | 北京合纵科技股份有限公司 | Novel fuse |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943435A (en) * | 2014-04-10 | 2014-07-23 | 北京华电瑞通电力工程技术有限公司 | Direct-insert type spiral keeping device for fuse |
| CN103943435B (en) * | 2014-04-10 | 2015-12-09 | 北京华电瑞通电力工程技术有限公司 | The direct insertion spiral holding device of fuse |
| CN109841465A (en) * | 2017-11-24 | 2019-06-04 | 库柏电子科技(上海)有限公司 | Outdoor closed fuse |
| CN109841465B (en) * | 2017-11-24 | 2022-06-17 | 库柏电子科技(上海)有限公司 | Outdoor closed fuse |
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Application publication date: 20131002 |