CN207303032U - A kind of outdoor circuit protection fuse - Google Patents
A kind of outdoor circuit protection fuse Download PDFInfo
- Publication number
- CN207303032U CN207303032U CN201721056691.2U CN201721056691U CN207303032U CN 207303032 U CN207303032 U CN 207303032U CN 201721056691 U CN201721056691 U CN 201721056691U CN 207303032 U CN207303032 U CN 207303032U
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- ceramic
- circuit protection
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Abstract
The utility model discloses a kind of outdoor circuit protection fuse; including inner cavity; the outside of the inner cavity is provided with ceramic inner walls; the outside of the ceramic inner walls is provided with insulation outer barrel; traditional insulation crust is changed over to the form of internal layer top ceramic layer insulating cylinder; so the ceramic layer of internal layer can play insulation and heat-insulated double effects when work; avoid work heat production from causing exterior insulation cylinder temperature distortion insulation effect to be deteriorated and cause security risk, such duplicate protection makes equipment safety performance higher；By tooth shape head and connection the lantern ring change over by can flexibly grafting jack connection, the equipment of a model can carry out installation connection from different external equipments when in use, corresponding different installation equipment, which only needs to extract on tooth shape head, replaces corresponding model, it is inserted into jack connection, allow equipment to be applicable in different installation equipment to work, improve the performance of equipment.
Description
Technical field
The utility model belongs to fuse correlative technology field, and in particular to a kind of outdoor circuit protection fuse.
Background technology
Fuse refers to when electric current exceedes setting, melt is fused with the heat that itself is produced, the one of disconnecting circuit
Kind electric appliance.Fuse is after exceeding setting for a period of time according to electric current, to make Melt molten with the heat of its own generation, so that
Disconnect circuit；With a kind of current protector made of this principle.Fuse be widely used in high and low voltage electric distribution system and
It is using one of most common protection device as short circuit and the protector of overcurrent in control system and electrical equipment.
The prior art there are problems with：1st, exterior insulation protection is not safe enough in use, uses for a long time
Meeting heat production causes exterior insulation cylinder temperature distortion decreasing insulating, forms security risk；2nd, a kind of fuse of model
It can be connected with a kind of exterior installation equipment of model, applicability is relatively low.
Utility model content
The purpose of this utility model is to provide a kind of outdoor circuit protection fuse, to solve in above-mentioned background technology
The protection of exterior insulation in use proposed is not safe enough, causes exterior insulation cylinder temperature distortion using meeting heat production for a long time
Decreasing insulating, forms security risk；A kind of fuse of model can only be connected with a kind of exterior installation equipment of model,
The relatively low problem of applicability.
To achieve the above object, the utility model provides following technical solution：A kind of outdoor circuit protection fuse, bag
Inner cavity is included, the outside of the inner cavity is provided with ceramic inner walls, and the outside of the ceramic inner walls is provided with insulation outer barrel, and in ceramics
The connection lantern ring is provided with outside the left and right ends of wall, the ceramic inner walls are provided with mounting screw with being connected the junction of the lantern ring,
The left and right sides junction of the connection lantern ring is provided with tooth shape head, and connect the lantern ring is internally provided with spliced eye, the sword
The junction of forming head and spliced eye is provided with connection-peg, and medium position is provided with connecting hole on the tooth shape head, the inner cavity
Spring is internally provided with, movable contact spring is provided with the left of the spring, and temperature sensor is provided with the right side of spring, the temperature sensor
Right side be provided with right lead, porcelain knob is provided with the left of the movable contact spring, ceramic ring is provided with the left of the porcelain knob.
Preferably, the connection-peg and spliced eye are square structure, and the grafting pore size is more than connection-peg.
Preferably, left lead is provided with the left of the ceramic ring, right lead, the right side are provided with the right side of the temperature sensor
The big ting model all same of lead and left lead.
Preferably, the tooth shape head is rectangle structure.
Preferably, the left lead and right lead are fixedly connected by welding with spliced eye.
Preferably, the connection lantern ring is rotatably connected with insulation outer barrel by screw thread.
Compared with prior art, the beneficial effects of the utility model are：
1st, traditional insulation crust is changed over the form of internal layer top ceramic layer insulating cylinder by the utility model, is so being worked
When internal layer ceramic layer can play insulation and heat-insulated double effects, avoid work heat production from causing exterior insulation cylinder to be become by heat
Shape insulation effect is deteriorated and causes security risk, and such duplicate protection makes equipment safety performance higher.
2nd, the utility model by tooth shape head and connection the lantern ring change over by can flexibly grafting jack connection, using
When one model equipment can carry out installation connection from different external equipments, corresponding different installation equipment only needs
Tooth shape head is extracted and replaces corresponding model, jack connection is inserted into, equipment is applicable in different installations and set
It is standby to work, improve the performance of equipment.
Brief description of the drawings
Fig. 1 is internal structure schematic diagram before the fusing of the utility model；
Fig. 2 is internal structure schematic diagram after the fusing of the utility model；
Fig. 3 is the external structure schematic diagram of the utility model；
Fig. 4 is the insulation profile structure diagram of the utility model；
Fig. 5 is the joint connecting structure schematic diagram of the utility model；
In figure：The left leads of 1-, 2- ceramic rings, 3- porcelain knobs, 4- springs, 5- temperature sensors, the right leads of 6-, 7- movable contact springs, 8- inner cavities,
9- ceramic inner walls, the 10- connections lantern ring, 11- tooth shapes head, 12- insulation outer barrel, 13- mounting screws, 14- connecting holes, 15- spliced eyes,
16- connection-pegs.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
- 5 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of outdoor circuit protection fuse, including
Inner cavity 8, the outside of inner cavity 8 are provided with ceramic inner walls 9, and the outside of ceramic inner walls 9 is provided with insulation outer barrel 12, and ceramic inner walls 9
Left and right ends outside be provided with the connection lantern ring 10, ceramic inner walls 9 are provided with mounting screw 13 with being connected the junction of the lantern ring 10,
The left and right sides junction of the connection lantern ring 10 is provided with tooth shape first 11, and connect the lantern ring 10 is internally provided with spliced eye 15, sword
Forming head 11 and the junction of spliced eye 15 are provided with connection-peg 16, and medium position is provided with connecting hole 14, inner cavity 8 on tooth shape first 11
Be internally provided with spring 4, the left side of spring 4 is provided with movable contact spring 7, and the right side of spring 4 is provided with temperature sensor 5, temperature sensor 5
Right side be provided with right lead 6, the left side of movable contact spring 7 is provided with porcelain knob 3, and the left side of porcelain knob 3 is provided with ceramic ring 2.
In order to very convenient be inserted into, the present embodiment, it is preferred that connection-peg 16 and spliced eye 15 are square structure,
15 size of spliced eye is more than connection-peg 16.
In order to be electrically connected, the present embodiment, it is preferred that the left side of ceramic ring 2 is provided with left lead 1, temperature sensor 5
Right side be provided with right lead 6, the big ting model all same of right lead 6 and left lead 1.
In order to be easily installed, the present embodiment, it is preferred that tooth shape first 11 is rectangle structure.
In order to make connection more firm, the present embodiment, it is preferred that left lead 1 and right lead 6 pass through weldering with spliced eye 15
The mode connect is fixedly connected.
In order to make connection more solid and the later stage dismantle more convenient, the present embodiment, it is preferred that connection the lantern ring 10 with insulation
Outer barrel 12 is rotatably connected by screw thread.
The operation principle and process for using of the utility model：After the utility model installs, spring 4 is in the shape compressed
The inside of inner cavity 8 is loaded under state, its elastic force can withstand disjunction electrode by gasket to be made to keep contacting with movable contact spring 7, flat
Electric current is looked into through 7 temperature sensor 5 of movable contact spring and the connection conducting of the left lead 1 and right lead 6 of the left and right sides in environment temperature when often
When crossing operating temperature, temperature sensor 5 is melted into liquid through left lead 1 and right lead 6 incoming heat, the at this moment pop-up of spring 4 elongation
Disjunction electrode is pushed open, so as to cut off the contact with movable contact spring 7, thus cuts off circuit, and due to that can produce when equipment work
Heat amount, so being provided with ceramic inner walls 9 outside inner cavity 8, can play the effect of insulation first, and with necessarily heat-insulated
Effect, insulation 12 double insulation of outer barrel is then additionally provided with the outside of ceramic inner walls 9, makes equipment safer, will be traditional
The tooth shape first 11 of integral type is changed over by the 15 activity plug connection of connection-peg 16 and spliced eye with being connected the lantern ring 10, is so made
With when can carry out installation with exterior different equipment and connect, it is main to need to extract and then replace different companies by tooth shape first 11
Connector, improves the performance of equipment.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of outdoor circuit protection fuse, including inner cavity（8）, it is characterised in that：The inner cavity（8）Outside be provided with
Ceramic inner walls（9）, the ceramic inner walls（9）Outside be provided with insulation outer barrel（12）, and ceramic inner walls（9）Left and right ends outside
Portion is provided with the connection lantern ring（10）, the ceramic inner walls（9）With being connected the lantern ring（10）Junction be provided with mounting screw（13）,
The connection lantern ring（10）Left and right sides junction be provided with tooth shape head（11）, and connect the lantern ring（10）Be internally provided with it is slotting
Connect hole（15）, the tooth shape head（11）With spliced eye（15）Junction be provided with connection-peg（16）, the tooth shape head（11）On
Medium position is provided with connecting hole（14）, the inner cavity（8）Be internally provided with spring（4）, the spring（4）Left side set
There is movable contact spring（7）, and spring（4）Right side be provided with temperature sensor（5）, the temperature sensor（5）Right side be provided with right lead
（6）, the movable contact spring（7）Left side be provided with porcelain knob（3）, the porcelain knob（3）Left side be provided with ceramic ring（2）.
A kind of 2. outdoor circuit protection fuse according to claim 1, it is characterised in that：The connection-peg（16）With
Spliced eye（15）It is square structure, the spliced eye（15）Size is more than connection-peg（16）.
A kind of 3. outdoor circuit protection fuse according to claim 1, it is characterised in that：The ceramic ring（2）A left side
Side is provided with left lead（1）, the temperature sensor（5）Right side be provided with right lead（6）, the right lead（6）With left lead（1）
Big ting model all same.
A kind of 4. outdoor circuit protection fuse according to claim 1, it is characterised in that：The tooth shape head（11）For
Rectangle structure.
A kind of 5. outdoor circuit protection fuse according to claim 3, it is characterised in that：The left lead（1）With
Right lead（6）And spliced eye（15）It is fixedly connected by welding.
A kind of 6. outdoor circuit protection fuse according to claim 1, it is characterised in that：The connection lantern ring（10）
With the outer barrel that insulate（12）It is rotatably connected by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721056691.2U CN207303032U (en) | 2017-08-23 | 2017-08-23 | A kind of outdoor circuit protection fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721056691.2U CN207303032U (en) | 2017-08-23 | 2017-08-23 | A kind of outdoor circuit protection fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207303032U true CN207303032U (en) | 2018-05-01 |
Family
ID=62443397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721056691.2U Expired - Fee Related CN207303032U (en) | 2017-08-23 | 2017-08-23 | A kind of outdoor circuit protection fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207303032U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107452575A (en) * | 2017-08-23 | 2017-12-08 | 中科电力装备集团有限公司 | A kind of outdoor circuit protection fuse |
-
2017
- 2017-08-23 CN CN201721056691.2U patent/CN207303032U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107452575A (en) * | 2017-08-23 | 2017-12-08 | 中科电力装备集团有限公司 | A kind of outdoor circuit protection fuse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 Termination date: 20210823 |