CN109841465A - Outdoor closed fuse - Google Patents
Outdoor closed fuse Download PDFInfo
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- CN109841465A CN109841465A CN201711189745.7A CN201711189745A CN109841465A CN 109841465 A CN109841465 A CN 109841465A CN 201711189745 A CN201711189745 A CN 201711189745A CN 109841465 A CN109841465 A CN 109841465A
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- fusion tube
- outdoor closed
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Abstract
The present invention provides a kind of outdoor closed fuses, including the first connecting terminal；Second connecting terminal；Fusion tube between first connecting terminal and the second connecting terminal；For being electrically connected first connector of one end of first connecting terminal and the fusion tube；For being electrically connected the second connector of the other end of second connecting terminal and the fusion tube；And flexible insulating layer, the flexible insulating layer coat first connector, the second connector, a part of first connecting terminal and second connecting terminal a part.It is outdoor closed fuse light weight of the invention, easy for installation, and improve insulation performance and service life.
Description
Technical field
The present invention relates to fuses, and in particular to a kind of outdoor closed fuse.
Background technique
Protected cut-out be it is a kind of for electric system overload and short circuit protective device, it have it is easy to operate,
The features such as outdoor environment is strong, shell is without exposed metal is adapted to, the one of distribution line and distribution transformer is widely used in
Secondary side.
Existing protected cut-out includes shell, the phase positioned at enclosure interior and the fusing carrier that is in the form of a column, with fusing carrier
The upper static contact and lower static contact be in electrical contact respectively to both ends, the upper connecting terminal being electrically connected with upper static contact, with lower static contact
The lower connecting terminal of electrical connection, and bind round the fixation anchor ear on hull outside wall.Upper connecting terminal, upper static contact, fusing carrier,
Lower static contact and lower connecting terminal form a galvanic circle.When short circuit occurs in circuit or generates overcurrent, in fusing carrier
Fuse melting to cut off circuit.
However, structure is complicated for the upper static contact in existing protected cut-out, loosening is easy to appear between components
Or it is electrically connected the failures such as bad.
Moreover, shell is made of ceramic material, the weight of porcelain shell is big, and installation is inconvenient, is easy to cause shell integrally broken
It splits, there is great security risk.In addition, upper connecting terminal and lower connecting terminal generally use rubber material as insulating wrapped
Layer, is connected, outdoors in use, porcelain in rugged environment using bonding process between upper and lower connecting terminal and porcelain shell
Bonding part between mass shell body and upper and lower connecting terminal is easy to appear cracking, asks so as to cause decreasing insulating, failure etc.
Topic, reduces service life.
Summary of the invention
In view of the above-mentioned problems existing in the prior art, the embodiment provides a kind of outdoor closed fuse,
Include:
First connecting terminal；
Second connecting terminal；
Fusion tube between first connecting terminal and the second connecting terminal；
For being electrically connected first connector of one end of first connecting terminal and the fusion tube；
For being electrically connected the second connector of the other end of second connecting terminal and the fusion tube；And
Flexible insulating layer, the flexible insulating layer coat first connector, the second connector, first terminals
A part of son and a part of second connecting terminal.
Preferably, first connector includes:
First connection ontology, one end are fixedly connected with first connecting terminal, and the other end defines the first receiving sky
Between；
Positioned at the spring of the first receiving space；And
Positioned at the first fingertip of the first receiving space, the other end that first fingertip connect ontology with described first
It is fixedly connected.
Preferably, the other end of the first connection ontology also has the stage portion in the first receiving space,
First fingertip is fixedly connected and by the spring retainer in the first receiving space with the stage portion.
Preferably, the fusion tube includes:
Fusion tube ontology in a tubular form has the one end being oppositely arranged and the other end；
It is connected with one end of the fusion tube ontology and the fuse cap clamped by first fingertip；
The extinguishing arc bar being fixedly connected with the fuse cap, the extinguishing arc bar are located in the first receiving space and press institute
State spring.
Preferably, the fusion tube further include:
The lower connector being fixedly connected with the other end of the fusion tube ontology；
Cover the sliding block on the lateral wall of the fusion tube ontology；
The triggering spring on the lateral wall of the fusion tube ontology is covered, the triggering spring is located at the sliding block and lower connection
Between part；And
Fuse in the fusion tube ontology, one end of the fuse are located at described one end of the fusion tube ontology and melt
Between silk cap, the other end of the fuse is fixed on the slide block after passing through the fusion tube ontology.
Preferably, second connector includes:
The second connection ontology in a tubular form, the lateral wall of the second connection ontology and the fixed company of second connecting terminal
It connects；
The second fingertip that the end for connecting ontology with described second is fixedly connected, second fingertip clamp the sliding block.
Preferably, the outdoor closed fuse further includes the insulation tube for accommodating the fusion tube ontology, described exhausted
The both ends of edge pipe connect ontology with described first respectively and the second connection ontology is connected, and the flexible insulating layer cladding is described absolutely
Edge pipe.
Preferably, the outdoor closed fuse further include:
The insulation supporting cylinder of the lateral wall of the second connection ontology is coated, the insulation supporting cylinder is defined for accommodating
Second accommodation space of second fingertip；
The pedestal of the end of the insulation supporting cylinder is set, and the pedestal has opening；And
Cover the bottom cover in the opening of the pedestal；
Wherein the flexible insulating layer coats the insulation supporting cylinder and pedestal.
Preferably, the diameter of the lateral wall of the pedestal is greater than the diameter of the lateral wall of the insulation supporting cylinder.
Preferably, the outdoor closed fuse further includes fixed fitting, and the fixed fitting includes company in a tubular form
Socket part and fixed part in the shape of a rod, the interconnecting piece cover on the lateral wall of the insulation tube, and the flexible insulating layer coats institute
State a part of interconnecting piece and the fixed part.
Preferably, the flexible insulating layer is the silicon rubber with full skirt.
Preferably, the first connection ontology is integrally formed by metal material, and first fingertip is made of metal material.
Preferably, the insulation tube is made of epoxy glass fiber.
Preferably, the insulation supporting cylinder and pedestal are formed by poured with epoxy resin.
Outdoor closed fuse light weight of the invention, it is easy for installation.It is not present between upper and lower connecting terminal and shell
The problem of imperfect bonding, improves service life.Structure for being electrically connected the connector of fusion tube and connecting terminal is simple, failure
Rate is low.
Detailed description of the invention
Embodiments of the present invention is further illustrated referring to the drawings, in which:
Fig. 1 is the stereoscopic schematic diagram of the outdoor closed fuse of preferred embodiment according to the present invention.
Fig. 2 is the stereoscopic schematic diagram after outdoor closed fuse removal silicon rubber shown in FIG. 1,
Fig. 3 is the optical cable of outdoor closed fuse shown in Fig. 2.
Fig. 4 is the cross-sectional view of outdoor closed fuse shown in FIG. 1.
Fig. 5 is cross-sectional view of the outdoor closed fuse shown in Fig. 4 after removing silicon rubber and fusion tube.
Fig. 6 is the cross-sectional view of outdoor closed fuse in part shown in Fig. 3.
Fig. 7 is that outdoor closed fuse shown in Fig. 4 removes the cross-sectional view after fusion tube.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, pass through below in conjunction with attached drawing specific real
Applying example, the present invention is described in more detail.
Fig. 1 is the stereoscopic schematic diagram of the outdoor closed fuse of preferred embodiment according to the present invention.As shown in Figure 1, family
External closing type fuse 1 includes the first connecting terminal 111, the second connecting terminal 112, fixed fitting 12 and silicon rubber 13.Silicon
Rubber 13 is formed by Shooting Technique, with umbrella skirt construction to increase creepage distance.Silicon rubber 13 coats the first connecting terminal 111
A part, a part of a part of the second connecting terminal 112 and fixed fitting 12.
Fig. 2 is the stereoscopic schematic diagram after the removal of outdoor closed fuse 1 silicon rubber 13 shown in FIG. 1, as shown in Fig. 2,
Outdoor closed fuse 1 further includes the first connector 14, the second connector 15 (Fig. 2 is not shown), coats the second connector 15
Insulation supporting cylinder 18 and epoxy glass fiber pipe 16.Epoxy glass fiber pipe 16 is located at the first connector 14 and second and connects
It connects between device 15, and its both ends is threadedly fixedly connected with the first connector 14 and the second connector 15 respectively.It is outdoor
Protected cut-out 1 further includes that (Fig. 2 is not for the fusion tube 17 in the epoxy glass fiber pipe 16 and the fuse in fusion tube 17
It shows).When outdoor closed fuse 1 is connected in circuit, the first connecting terminal 111, the first connector 14, fusion tube 17
In fuse, the second connector 15 and the second connecting terminal 112 form conductive path.
Fixed fitting 12 is integrally formed by metal material comprising interconnecting piece 121 and fixed part in the shape of a rod in a tubular form
122.121 sets of interconnecting piece on the lateral wall of epoxy glass fiber pipe 16, fixed part 122 have mounting hole 1221, fixed part 122
Mounting hole 1221 be suitable for outdoor closed fuse 1 is fixed and be mounted on Electric wire support.
Fig. 3 is the optical cable of outdoor closed fuse 1 shown in Fig. 2.As shown in figure 3, the first connecting terminal 111
It is integrally formed by metal material, is preferably made of copper rod punching press.One end of first connecting terminal 111 has connecting hole 1111, fits
It is fixedly connected in the connecting terminal with outside line；Its other end 1112 is fixedly connected with the first connector 14.
Insulation supporting cylinder 18 is substantially cylindrical, and which defines for accommodating the second connector 15, (Fig. 3 only shows the second company
Connect the internal screw thread 1511 of device 15) accommodation space.Insulation supporting cylinder 18 is poured on the outside of the second connector 15 by epoxy resin
It is formed, therefore insulation supporting cylinder 18 coats the second connector 15.
Fusion tube 17 includes extinguishing arc bar 173, fuse cap 172, fusion tube ontology 171 in a tubular form, sliding block 174 and upper connector
175.Extinguishing arc bar 173 is made of arc suppression, has external screw thread close to one end of fuse cap 172 (Fig. 3 is not shown).Fuse cap
172 are made of metal material, and fuse cap 172 has internal screw thread (Fig. 3 is not shown) close to the end of extinguishing arc bar 173, and passes through spiral shell
Line mode and extinguishing arc bar 173 are cooperatively connected.Upper connector 175 is between fusion tube ontology 171 and fuse cap 172, upper connector
175 are fixedly connected with fusion tube ontology 171, and are threadedly cooperatively connected with fuse cap 172.
Fig. 6 is the cross-sectional view of outdoor closed fuse in part shown in Fig. 3.As shown in fig. 6, fusion tube 17 further includes lower company
Fitting 176 and triggering spring 177.Lower connector 176 is fixedly connected with the other end of fusion tube ontology 171, sliding block 174 and triggering bullet
Spring 177 all covers on the lateral wall of fusion tube ontology 171, and triggers spring 177 and be located between sliding block 174 and lower connector 176.It is molten
Silk is identical as the structure of the fuse in the protected cut-out of the prior art and mounting means, and one end of fuse is sandwiched in fuse cap
Between 172 and upper connector 175, the other end of fuse is fixed on outside sliding block 174 after wearing out from the other end of fusion tube ontology 171
On side wall.
Outdoor closed fuse 1 further includes the pedestal 181 that the end of insulation supporting cylinder 18 is arranged in, and pedestal 181 has
Be open 182 (shown in Figure 6), to install fusion tube 17 or to take out from opening by fusion tube 17 to be replaced.Pedestal 181
The diameter of lateral wall is greater than the diameter of the lateral wall of insulation supporting cylinder 18, convenient for placing and supporting outdoor closed fuse 1.Bottom
Seat 181 is also made of epoxy resin, therefore can be poured formation together with insulation supporting cylinder 18.
Fig. 4 is the cross-sectional view of outdoor closed fuse 1 shown in FIG. 1, and section passes through the axis of the first connecting terminal 111
The axis of line and fixed part 122.As shown in figure 4, fusion tube 17 is located in epoxy glass fiber pipe 16, fuse cap 172 and first connects
It connects device 14 to be connected, and sliding block 174 is connected with the second connector 15, so that fusion tube 17 is fixed on the first connector 14
And second between connector 15, and forms conductive path between the first connector 14 and the second connector 15.
Outdoor closed fuse 1 further includes bottom cover 19, and bottom cover 19 is made of insulating material, and is covered in pedestal 181
Opening, the conducting element being achieved between the first connecting terminal 111 and the second connecting terminal 112 are all sealed by insulating materials
It closes.
Fig. 5 is cross-sectional view of the outdoor closed fuse shown in Fig. 4 after removing silicon rubber 13 and fusion tube 17.Such as Fig. 5
It is shown, internal screw thread (Fig. 5 is not shown) company of matching of the external screw thread of one end of epoxy glass fiber pipe 16 and the first connector 14
It connects, the external screw thread of the other end of epoxy glass fiber pipe 16 and the internal screw thread 1511 of the second connector 15 are in mating connection.
Fig. 6 is the cross-sectional view of outdoor closed fuse in part shown in Fig. 3.Referring again to shown in Fig. 6, the first connector
14 include the first connection ontology 141, spring 142, pressing plate 147 and the first fingertip 143.First connection ontology 141 is by copper product one
Body formed, one end of the first connection ontology 141 is fixedly connected with the first connecting terminal 111, and the other end defines the first receiving sky
Between 145.The other end of first connection ontology 141 also has internal screw thread 146 and the stage portion in first receiving space 145
144.Spring 142, pressing plate 147 and the first fingertip 143 are located in first receiving space 145, and pressing plate 147 is located at 142 He of spring
Between first fingertip 143.First fingertip 143 is fixed by screws in stage portion 144 and limits spring 142 and pressing plate 147
In the first connection ontology 141, spring 142 is avoided to be fallen off or fallen from the first connection ontology 141 after long-time use.It is molten
The extinguishing arc bar 173 of pipe 17 passes through the first fingertip 143 against pressing plate 147 and presses pressing spring 142.The inner sidewall of first fingertip 143 with
The shape of the fuse cap 172 of fusion tube 17 is adapted, for clamping fuse cap 172.The inner sidewall and epoxy of first connection ontology 141
The end of fiberglass pipe 16 (shown in Figure 5) is adapted, and is achieved in the first connection ontology 141 and epoxy glass fiber pipe
Being fixedly connected between 16.
First connection ontology 141, the first fingertip 143, fuse cap 172 and sliding block 174 are all made of metal material, thus real
Existing electric current passes sequentially through the first connecting terminal 111, first connection ontology 141, the first fingertip 143, fuse cap 172, fusion tube ontology
Fuse, sliding block 174 in 171 are conducted.
Second connector 15 includes the second connection ontology 151 and the second fingertip 152 in a tubular form.Second connection ontology 151
Inner sidewall there is internal screw thread 1511, and be adapted and connect with the end of epoxy glass fiber pipe 16 (shown in Figure 5).Second
The side wall that one end of connecting terminal 112 connect ontology 151 with second is connected, the other end have connecting hole 1121, be suitable for it is outer
The connecting terminal of portion's route is fixedly connected.The end that second fingertip 152 connect ontology 151 with second is connected, the second fingertip 152
Inner sidewall be adapted with the shape of the sliding block 174 of fusion tube 17, be used for clamping slider 174.
Sliding block 174, the second fingertip 152, second connection ontology 151 and the second connecting terminal 112 are all made of metal material,
It is achieved in electric current and passes sequentially through sliding block 174, the second fingertip 152, second connection ontology 151 and the progress of the second connecting terminal 112
Conduction.
Fig. 7 is that outdoor closed fuse shown in Fig. 4 removes the cross-sectional view after fusion tube.It is sketched presently in connection with Fig. 4 and Fig. 7
The maintenance of fusion tube 17 and replacement process.As shown in figure 4, the fuse quilt when short circuit or overcurrent occur in circuit, in fusion tube 17
Fusing is to disconnect the circuit between the first connecting terminal 111 and the second connecting terminal 112.Maintenance personal is exhausted using one at this time
Edge tool puts in insulation supporting cylinder 18 and clamps fusion tube 17, and fusion tube 17 is taken out from epoxy glass fiber pipe 16, ginseng
As shown in Figure 7.If it find that the fuse in fusion tube 17 is blown, the fusion tube 17 more renewed.If it find that 173 quilt of extinguishing arc bar
After calcination, the fusion tube 17 that also can more renew in time.
The installation process of fusion tube 17 is referring again to a new fusion tube 17 shown in Fig. 7, is taken, so that the extinguishing arc bar of fusion tube 17
173 sequentially pass through pedestal 181, the second fingertip 152, second connection ontology 151, epoxy glass fiber pipe 16 and the first fingertip 143
Pressing spring 142 is pressed afterwards.The first fingertip 143 and the second fingertip 152 clamp the fuse cap 172 and sliding block 174 of fusion tube 17 respectively at this time,
Realize the replacement of fusion tube 17.
The present invention coats the first connector 14, epoxy glass fiber pipe 16, second using flexible insulating layers such as silicon rubber 13
Connector 15, insulation supporting cylinder 18, a part of pedestal 181 and the first connecting terminal 111 and the second connecting terminal 112
The problem of a part, more light-weight than ceramic material, covering property is more preferable, and there is no imperfect bondings, greatly improves
The quality and service life of product.
The full skirt in 13 outside of silicon rubber can increase creepage distance, improve security performance.
Extinguishing arc bar 173 of the invention is fixedly attached on the fuse cap 172 of fusion tube 17, therefore extinguishing arc bar 173 can be with molten
Tube body 171 is taken out together, in the case where fuse is not blown, if it find that the damage of extinguishing arc bar 173 also can in time more
Change fusion tube.
18 one side of insulation supporting cylinder makes the connection between the second connector 15 and the second connecting terminal 112 more firm
Gu on the other hand improving the overall mechanical strength of outdoor closed fuse 1.
In other embodiments of the invention, above-described embodiment is replaced using insulation tube made of other rigid insulating materials
Epoxy glass fiber pipe 16.
Connection type between each component of the invention is not limited to thread connecting mode, can also be by riveting, welding
It connects or crimps etc. and be fixedly connected with mode.
Although the present invention has been described by means of preferred embodiments, the present invention is not limited to described here
Embodiment, without departing from the present invention further include made various changes and variation.
Claims (14)
1. a kind of outdoor closed fuse characterized by comprising
First connecting terminal；
Second connecting terminal；
Fusion tube between first connecting terminal and the second connecting terminal；
For being electrically connected first connector of one end of first connecting terminal and the fusion tube；
For being electrically connected the second connector of the other end of second connecting terminal and the fusion tube；And
Flexible insulating layer, the flexible insulating layer coat first connector, the second connector, first connecting terminal
A part of a part of and described second connecting terminal.
2. outdoor closed fuse according to claim 1, which is characterized in that first connector includes:
First connection ontology, one end are fixedly connected with first connecting terminal, and the other end defines first receiving space；
Positioned at the spring of the first receiving space；And
Positioned at the first fingertip of the first receiving space, the other end that first fingertip connect ontology with described first is fixed
Connection.
3. outdoor closed fuse according to claim 2, which is characterized in that the other end of the first connection ontology
Also there is the stage portion being located in the first receiving space, first fingertip is fixedly connected with the stage portion and will be described
Spring retainer is in the first receiving space.
4. outdoor closed fuse according to claim 2, which is characterized in that the fusion tube includes:
Fusion tube ontology in a tubular form has the one end being oppositely arranged and the other end；
It is connected with one end of the fusion tube ontology and the fuse cap clamped by first fingertip；
The extinguishing arc bar being fixedly connected with the fuse cap, the extinguishing arc bar are located in the first receiving space and press the bullet
Spring.
5. outdoor closed fuse according to claim 4, which is characterized in that the fusion tube further include:
The lower connector being fixedly connected with the other end of the fusion tube ontology；
Cover the sliding block on the lateral wall of the fusion tube ontology；
Cover the triggering spring on the lateral wall of the fusion tube ontology, the triggering spring be located at the sliding block and lower connector it
Between；And
One end of fuse in the fusion tube ontology, the fuse is located at described one end and the fuse cap of the fusion tube ontology
Between, the other end of the fuse is fixed on the slide block after passing through the fusion tube ontology.
6. outdoor closed fuse according to claim 5, which is characterized in that second connector includes:
The second connection ontology in a tubular form, the lateral wall of the second connection ontology are fixedly connected with second connecting terminal；
The second fingertip that the end for connecting ontology with described second is fixedly connected, second fingertip clamp the sliding block.
7. outdoor closed fuse according to claim 6, which is characterized in that the outdoor closed fuse also wraps
The insulation tube for accommodating the fusion tube ontology is included, the both ends of the insulation tube connect ontology and second with described first respectively and connect
It connects ontology to be connected, the flexible insulating layer coats the insulation tube.
8. outdoor closed fuse according to claim 6, which is characterized in that the outdoor closed fuse also wraps
It includes:
The insulation supporting cylinder of the lateral wall of the second connection ontology is coated, the insulation supporting cylinder defines described for accommodating
Second accommodation space of the second fingertip；
The pedestal of the end of the insulation supporting cylinder is set, and the pedestal has opening；And
Cover the bottom cover in the opening of the pedestal；
Wherein the flexible insulating layer coats the insulation supporting cylinder and pedestal.
9. outdoor closed fuse according to claim 8, which is characterized in that the diameter of the lateral wall of the pedestal is big
In the diameter of the lateral wall of the insulation supporting cylinder.
10. outdoor closed fuse according to claim 7, which is characterized in that the outdoor closed fuse is also
Including fixed fitting, the fixed fitting includes interconnecting piece and fixed part in the shape of a rod in a tubular form, and the interconnecting piece is covered in institute
It states on the lateral wall of insulation tube, the flexible insulating layer coats a part of the interconnecting piece and the fixed part.
11. outdoor closed fuse according to any one of claim 1 to 10, which is characterized in that described flexible exhausted
Edge layer is the silicon rubber with full skirt.
12. outdoor closed fuse according to claim 2, which is characterized in that the first connection ontology is by metal
Material is integrally formed, and first fingertip is made of metal material.
13. outdoor closed fuse according to claim 7, which is characterized in that the insulation tube is by expoxy glass fibre
Dimension is made.
14. outdoor closed fuse according to claim 8, which is characterized in that the insulation supporting cylinder and pedestal by
Poured with epoxy resin is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711189745.7A CN109841465B (en) | 2017-11-24 | 2017-11-24 | Outdoor closed fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711189745.7A CN109841465B (en) | 2017-11-24 | 2017-11-24 | Outdoor closed fuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109841465A true CN109841465A (en) | 2019-06-04 |
| CN109841465B CN109841465B (en) | 2022-06-17 |
Family
ID=66876141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711189745.7A Active CN109841465B (en) | 2017-11-24 | 2017-11-24 | Outdoor closed fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109841465B (en) |
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| CN101635233A (en) * | 2008-07-24 | 2010-01-27 | 上海市电力公司 | Insulating enclosed type pagoda-shaped fuse |
| CN201498465U (en) * | 2009-09-18 | 2010-06-02 | 武汉雷泰电力科技发展有限公司 | All-insulated outdoor drop-out fuse |
| CN101901717A (en) * | 2010-07-06 | 2010-12-01 | 曾泓瑞 | Vacuum overcurrent fuse protecting device for high-voltage power supply system and low-voltage power supply system |
| CN202307762U (en) * | 2011-09-22 | 2012-07-04 | 河南省电力公司焦作供电公司 | High-voltage fuse convenient to be exchanged |
| CN103337431A (en) * | 2013-06-13 | 2013-10-02 | 北京合纵科技股份有限公司 | Novel fuse |
| CN103928273A (en) * | 2014-05-04 | 2014-07-16 | 马云涌 | Insulation closed type intelligent fuse |
| WO2015040541A1 (en) * | 2013-09-17 | 2015-03-26 | Mazer Technologies (Pty) Limited | Dropout fuse assembly and fuse holder |
| CN106601567A (en) * | 2016-12-15 | 2017-04-26 | 浙江鲁高电力科技有限公司 | Outdoor all-insulation enclosed-type injection fuse |
-
2017
- 2017-11-24 CN CN201711189745.7A patent/CN109841465B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101635233A (en) * | 2008-07-24 | 2010-01-27 | 上海市电力公司 | Insulating enclosed type pagoda-shaped fuse |
| CN201498465U (en) * | 2009-09-18 | 2010-06-02 | 武汉雷泰电力科技发展有限公司 | All-insulated outdoor drop-out fuse |
| CN101901717A (en) * | 2010-07-06 | 2010-12-01 | 曾泓瑞 | Vacuum overcurrent fuse protecting device for high-voltage power supply system and low-voltage power supply system |
| CN202307762U (en) * | 2011-09-22 | 2012-07-04 | 河南省电力公司焦作供电公司 | High-voltage fuse convenient to be exchanged |
| CN103337431A (en) * | 2013-06-13 | 2013-10-02 | 北京合纵科技股份有限公司 | Novel fuse |
| WO2015040541A1 (en) * | 2013-09-17 | 2015-03-26 | Mazer Technologies (Pty) Limited | Dropout fuse assembly and fuse holder |
| CN103928273A (en) * | 2014-05-04 | 2014-07-16 | 马云涌 | Insulation closed type intelligent fuse |
| CN106601567A (en) * | 2016-12-15 | 2017-04-26 | 浙江鲁高电力科技有限公司 | Outdoor all-insulation enclosed-type injection fuse |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109841465B (en) | 2022-06-17 |
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