CN208819826U - A kind of explosion-proof high-pressure fuse - Google Patents
A kind of explosion-proof high-pressure fuse Download PDFInfo
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- CN208819826U CN208819826U CN201821251505.5U CN201821251505U CN208819826U CN 208819826 U CN208819826 U CN 208819826U CN 201821251505 U CN201821251505 U CN 201821251505U CN 208819826 U CN208819826 U CN 208819826U
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Abstract
The utility model provides a kind of explosion-proof high-pressure fuse, is related to circuit protection technical field.The explosion-proof high-pressure fuse, including the slot that fuses, the fusing trench bottom side is fixedly connected with explosion-protection equipment, the slot that fuses is interior to be equipped with a pair of fixed sheet metal, the fixed sheet metal surface is fixedly connected with metal intermediate plate, the metal intermediate plate is connected with device for fusing, fusing trench bottom inner surface is fixedly connected with traction rope, fusing groove top portion is fixedly connected with reverse wheel one, fusing slot is fixedly installed with reverse wheel two far from the top of explosion-protection equipment side, fusing slot is fixedly installed with reverse wheel three far from the bottom end of explosion-protection equipment side, explosion-protection equipment bottom is fixedly installed with reverse wheel four.The explosion-proof high-pressure fuse is punctured the bottleneck of the gas held bottle full of compression carbon dioxide by striker impact, releases the compression carbon dioxide in gas held bottle, is solved generation high-temperature electric arc burning circuit inside fuse and is caused fire explosion.
Description
Technical field
The utility model relates to circuit protection technical field, specially a kind of explosion-proof high-pressure fuse.
Background technique
High-tension fuse is a kind of protection electric appliance for protecting electrical equipment against overload and short circuit current damage, high-voltage fuse
Device is related to circuit protection technical field, is now protected in circuit using high-tension fuse, breaking when short circuit and overload occur for circuit
Device work, which generates high temperature and electric arc initiation fire, causes circuit explosion on fire to bring about great losses.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of explosion-proof high-pressure fuse, solves above-mentioned background
The problem of electric arc proposed in technology explosion on fire.
Technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of explosion-proof high-pressure fuse,
Including the slot that fuses, the fusing trench bottom side is fixedly connected with explosion-protection equipment, and a pair of fixed sheet metal, institute are equipped in fusing slot
It states fixed sheet metal surface and is fixedly connected with metal intermediate plate, the metal intermediate plate is connected with device for fusing, table in the trench bottom that fuses
Face is fixedly connected with traction rope, and fusing groove top portion is fixedly connected with reverse wheel one, and fuse top of the slot far from explosion-protection equipment side
It is fixedly installed with reverse wheel two, the slot that fuses is fixedly installed with reverse wheel three, explosion-protection equipment bottom far from the bottom end of explosion-protection equipment side
Portion is fixedly installed with reverse wheel four.
Further, the explosion-protection equipment includes explosion-proof pedestal, and the explosion-proof base top is connected with gas appearance
Receive bottle, the gas held bottle is fixedly connected on fusing slot outer wall by fixture block, and explosion-proof pedestal bottom end is fixedly installed with a pair of of bullet
Spring, the spring top are fixedly connected with elastic slice, and striker is fixedly connected at the elastic slice center, and the striker surface is equipped with and puts
Air drain.
Further, the material of the gas held bottle is 34Mn2v seamless steel, dress inside the gas held bottle
There is the carbon dioxide of compression.
Further, the device for fusing includes glass tube, and the glass tube is equipped with fusible link, the fusing
Silk both ends are fixedly connected on metallic sheath, and at glass tube both ends, the glass tube is full of nitrogen for the metallic sheath seamless connection
Gas.
Further, the fixed sheet metal is fixedly connected on inside fusing slot by fixed screw, fixed screw
Crack is connected with terminals between fixed sheet metal, and the terminals are fixedly connected with conducting wire far from fixed screw one end.
Further, the traction rope passes through reverse wheel one, reverse wheel two, reverse wheel three, reverse wheel four and striker bottom
It is fixedly connected.
Working principle: in use, the high-voltage explosion-proof breaker is accessed in circuit, it, should when circuit generation short circuit and overload
High temperature fusing occurs for the fusible link overcurrent in explosion-proof high-pressure fuse internal glass tube, and glass tube is not full of nonflammable combustion-supporting
The nitrogen of burning makes fusible link not generate electric arc in fusing and will not burn, when high temperature occurs between metal fixture block and metallic sheath
When electric arc, generated high-temperature electric arc can blow traction rope, and the striker being fixedly connected with traction rope loses tractive force, solid with striker
Surely the elastic slice connected loses the pressure of the spring of compression, leads to recoil of spring, and the elastic force of spring pushes elastic slice, and elastic slice drives striker
The bottleneck for hitting gas held bottle releases the compression carbon dioxide in gas held bottle by the hole that striker impact is torn,
Compression carbon dioxide enters the generation that cooling fire extinguishing in fusing slot avoids explosion by explosion-proof pedestal.
Beneficial effect
Compare the prior art:
1, the explosion-proof high-pressure fuse, by being full of the sealed glass tube of nitrogen, fusible link fills in the glass tube of sealing
Full nitrogen can not burn, and solve fusible link and generate the fire explosion that high-temperature electric arc calcination route causes in fusing.
2, the explosion-proof high-pressure fuse, the striker of air bleed slot is offered by surface, and surface offers the striker of air bleed slot
Bottleneck can be torn since needle point, solve and the carbon dioxide quick release of compression is come out into loss caused by reducing burning.
3, the explosion-proof high-pressure fuse punctures the bottle of the gas held bottle full of compression carbon dioxide by striker impact
Mouthful, the compression carbon dioxide in gas held bottle is released, solves and generates high-temperature electric arc burning circuit initiation inside fuse
Fire explosion.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model explosion-protection equipment structural schematic diagram.
In figure: 1 fusing slot, 2 explosion-protection equipments, 201 springs, 202 elastic slices, 203 strikers, 204 gas held bottles, 205 cards
Block, 206 explosion-proof pedestals, 3 fixed sheet metals, 4 metal intermediate plates, 5 device for fusing, 501 glass tubes, 502 fusible links, 503 metallic sheaths,
6 terminals, 7 fixed screws, 8 traction ropes, 9 reverse wheels one, 10 reverse wheels two, 11 reverse wheels three, 12 reverse wheels four, 13 conducting wires.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
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 embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-2, the utility model embodiment provides a kind of explosion-proof high-pressure fuse, including fusing slot 1, and fuse slot
1 bottom side is fixedly connected with explosion-protection equipment 2, and explosion-protection equipment 2 includes explosion-proof pedestal 206, is connected at the top of explosion-proof pedestal 206
Gas held bottle 204, gas held bottle 204 are fixedly connected on fusing 1 outer wall of slot, explosion-proof 206 bottom end of pedestal by fixture block 205
It is fixedly installed with a pair of of spring 201,201 top of spring is fixedly connected with elastic slice 202, is fixedly connected with and hits at 202 center of elastic slice
Needle 203,203 surface of striker are equipped with air bleed slot, and the air bleed slot on 203 surface of striker can speed up release 204 internal pressure of gas held bottle
The carbon dioxide gas of contracting, the material of gas held bottle 204 are 34Mn2v seamless steel, are held using the gas of 34Mn2v seamless steel
Bottle 204 of receiving can store the carbon dioxide of compression for a long time, and the carbon dioxide equipped with compression inside gas held bottle 204 leads to
Cross surface offer air bleed slot striker 203 puncture full of compression carbon dioxide gas held bottle 204, the gas released
The compression carbon dioxide for accommodating in bottle 204 solves the internal high-temperature electric arc burning circuit that generates and causes fire explosion, and fuse slot 1
Interior to be equipped with a pair of fixed sheet metal 3, fixed sheet metal 3 is fixedly connected on inside fusing slot 1 by fixed screw 7, fixed screw 7
Crevice place is connected with terminals 6 between fixed sheet metal 3, and terminals 6 are fixedly connected with conducting wire far from 7 one end of fixed screw
13, fixed 3 surface of sheet metal is fixedly connected with metal intermediate plate 4, and metal intermediate plate 4 is connected with device for fusing 5, and device for fusing 5 includes
There is glass tube 501, be equipped with fusible link 502 inside glass tube 501,502 both ends of fusible link are fixedly connected on metallic sheath 503, gold
Belong to 503 seamless connection of set and be full of nitrogen inside 501 both ends of glass tube, glass tube 501, by the seal glass for being full of nitrogen
Pipe 501, fusible link 502 can not burn in the glass tube 501 of sealing full of nitrogen, solve the production in fusing of fusible link 502
The fire explosion that raw high-temperature electric arc calcination route causes, fusing 1 bottom interior surface of slot are fixedly connected with traction rope 8, and traction rope 8 is logical
It crosses reverse wheel 1, reverse wheel 2 10, reverse wheel 3 11, reverse wheel 4 12 to be fixedly connected with 203 bottom of striker, 1 top of fusing slot
It is fixedly connected with reverse wheel 1, fusing slot 1 is fixedly installed with reverse wheel 2 10 far from the top of 2 side of explosion-protection equipment, and fuse slot
1 bottom end far from 2 side of explosion-protection equipment is fixedly installed with reverse wheel 3 11, and 2 bottom of explosion-protection equipment is fixedly installed with reverse wheel four
12。
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of explosion-proof high-pressure fuse, including fusing slot (1), it is characterised in that: the side of described fusing slot (1) bottom is fixed
It is connected with explosion-protection equipment (2), a pair of fixed sheet metal (3) is equipped in fusing slot (1), fixed sheet metal (3) surface is fixed
It is connected with metal intermediate plate (4), the metal intermediate plate (4) is connected with device for fusing (5), and fusing slot (1) bottom interior surface is fixed to be connected
It is connected to traction rope (8), reverse wheel one (9) is fixedly connected at the top of fusing slot (1), fusing slot (1) is far from explosion-protection equipment (2) side
Top be fixedly installed with reverse wheel two (10), fusing slot (1) is fixedly installed with commutation far from the bottom end of explosion-protection equipment (2) side
Three (11) are taken turns, explosion-protection equipment (2) bottom is fixedly installed with reverse wheel four (12).
2. a kind of explosion-proof high-pressure fuse according to claim 1, it is characterised in that: the explosion-protection equipment (2) includes
Explosion-proof pedestal (206) is connected with gas held bottle (204) at the top of the explosion-proof pedestal (206), the gas held bottle
(204) it is fixedly connected on fusing slot (1) outer wall by fixture block (205), explosion-proof pedestal (206) bottom end is fixedly installed with a pair of of spring
(201), spring (201) top is fixedly connected with elastic slice (202), is fixedly connected with striker at elastic slice (202) center
(203), striker (203) surface is equipped with air bleed slot.
3. a kind of explosion-proof high-pressure fuse according to claim 2, it is characterised in that: the gas held bottle (204)
Material is 34Mn2v seamless steel, the carbon dioxide equipped with compression inside the gas held bottle (204).
4. a kind of explosion-proof high-pressure fuse according to claim 1, it is characterised in that: the device for fusing (5) includes
Glass tube (501), the glass tube (501) is internal to be equipped with fusible link (502), and fusible link (502) both ends are fixedly connected on
On metallic sheath (503), metallic sheath (503) seamless connection is filled inside glass tube (501) both ends, the glass tube (501)
Full nitrogen.
5. a kind of explosion-proof high-pressure fuse according to claim 1, it is characterised in that: the fixed sheet metal (3) passes through
Fixed screw (7) is fixedly connected on fusing slot (1) inside, and crevice place is connected between fixed screw (7) and fixed sheet metal (3)
Terminals (6), the terminals (6) are fixedly connected with conducting wire (13) far from fixed screw (7) one end.
6. a kind of explosion-proof high-pressure fuse according to claim 1, it is characterised in that: the traction rope (8) passes through commutation
One (9) of wheel, reverse wheel two (10), reverse wheel three (11), reverse wheel four (12) are fixedly connected with striker (203) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821251505.5U CN208819826U (en) | 2018-08-03 | 2018-08-03 | A kind of explosion-proof high-pressure fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821251505.5U CN208819826U (en) | 2018-08-03 | 2018-08-03 | A kind of explosion-proof high-pressure fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208819826U true CN208819826U (en) | 2019-05-03 |
Family
ID=66272449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821251505.5U Active CN208819826U (en) | 2018-08-03 | 2018-08-03 | A kind of explosion-proof high-pressure fuse |
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|---|---|
| CN (1) | CN208819826U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768202A (en) * | 2019-10-31 | 2020-02-07 | 徐州泉宝电气设备有限公司 | Novel safety device suitable for electrical equipment |
| CN111494861A (en) * | 2020-06-09 | 2020-08-07 | 山东中道消防设备有限公司 | Mechanical automatic fire extinguishing device |
| CN114269101A (en) * | 2021-12-21 | 2022-04-01 | 王飞 | Human resource information management device based on big data |
-
2018
- 2018-08-03 CN CN201821251505.5U patent/CN208819826U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768202A (en) * | 2019-10-31 | 2020-02-07 | 徐州泉宝电气设备有限公司 | Novel safety device suitable for electrical equipment |
| CN111494861A (en) * | 2020-06-09 | 2020-08-07 | 山东中道消防设备有限公司 | Mechanical automatic fire extinguishing device |
| CN114269101A (en) * | 2021-12-21 | 2022-04-01 | 王飞 | Human resource information management device based on big data |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hebei Jichang Electric Equipment Technology Co.,Ltd. Assignor: BAODING FANGYUAN ELECTRIC POWER CIRCUIT EQUIPMENT Co.,Ltd. Contract record no.: X2023990000193 Denomination of utility model: An explosion-proof high-voltage fuse Granted publication date: 20190503 License type: Common License Record date: 20230209 |