CN107492475B - Low-voltage fuse body for transformer platform on a kind of 10kV integration column - Google Patents
Low-voltage fuse body for transformer platform on a kind of 10kV integration column Download PDFInfo
- Publication number
- CN107492475B CN107492475B CN201710689260.8A CN201710689260A CN107492475B CN 107492475 B CN107492475 B CN 107492475B CN 201710689260 A CN201710689260 A CN 201710689260A CN 107492475 B CN107492475 B CN 107492475B
- Authority
- CN
- China
- Prior art keywords
- low
- contact knife
- voltage fuse
- fuse body
- transformer platform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000010354 integration Effects 0.000 title claims abstract description 31
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 230000004927 fusion Effects 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 239000000155 melt Substances 0.000 claims description 9
- 230000001629 suppression Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000006004 Quartz sand Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 229910010293 ceramic material Inorganic materials 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 1
- 241001083492 Trapa Species 0.000 description 1
- 235000014364 Trapa natans Nutrition 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- ALKZAGKDWUSJED-UHFFFAOYSA-N dinuclear copper ion Chemical class [Cu].[Cu] ALKZAGKDWUSJED-UHFFFAOYSA-N 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 235000009165 saligot Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
- H01H85/044—General constructions or structure of low voltage fuses, i.e. below 1000 V, or of fuses where the applicable voltage is not specified
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/055—Fusible members
- H01H85/08—Fusible members characterised by the shape or form of the fusible member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/143—Electrical contacts; Fastening fusible members to such contacts
- H01H85/153—Knife-blade-end contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/18—Casing fillings, e.g. powder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/22—Intermediate or auxiliary parts for carrying, holding, or retaining fuse, co-operating with base or fixed holder, and removable therefrom for renewing the fuse
Landscapes
- Fuses (AREA)
Abstract
The invention discloses low-voltage fuse bodies for transformer platform on a kind of 10kV integration column, including upper contact knife, lower contact knife and melt, the upper contact knife is identical with lower contact knife structure, it include contact, upper gusset piece and second line of a couplet fishplate bar, the second line of a couplet fishplate bar is in external tooth wheel-like structure, including round plate body and outer peripheral several double wedges of the round plate body are set and several concave tooth, several double wedges and several concave tooth are successively spaced setting；Several row's fractures are successively offered on each melt from top to bottom, there are cross-section structures for the narrow neck in every row's fracture between every two adjacent fractures, and the length of the cross-section structure is greater than 1.2mm.Low-voltage fuse body for transformer platform on 10kV integration column of the invention has temperature rise low in energy consumption and the characteristic of high breaking capacity, has lower temperature rise and power consumption, and under conditions of ambient temperature is 50 DEG C, only super 45k, power consumption are no more than 30W for temperature rise.
Description
Technical field
The present invention relates to low-voltage fuse bodies for transformer platform on a kind of 10kV integration column.
Background technique
10kV integration pole type transformer platform is mainly used in open air, and solar irradiation is more, and environment temperature is relatively high, answers
The use under the particular surroundings is unable to satisfy with the low-voltage fuse body of bad environments, therefore existing protection purposes.To state in 2017
Family's power grid revises transformer platform modular design and inspection criterion regulation, to the substantially special of low-voltage fuse body for transformer platform on column
Property demand is further determined, low-voltage fuse body outdoors 50 DEG C when need to meet 1.5 times of rated current and do not melt for 2 hours
Disconnected, 2 times fuse in rated current 1 hour；In addition to meeting temperature rise consumption conditions, also to meet operating chacteristics.In numerous harshnesses
Under the conditions of, low-voltage fuse body needs to have temperature rise low in energy consumption and the characteristic dual indexes of high breaking capacity.
The identical round fracture of number row's size, every two adjacent circles in every row's circle fracture are offered on conventional melt
Narrow neck between fracture is variable cross-section, is linear at the distance minimum of the narrow neck per adjacent two between round fracture
, when biggish short circuit current passes through melt, narrow neck in every row's circle fracture per adjacent two between round fractures by
It is heated rapidly in heating effect of current, local temperature increases rapidly until melt fuses with disjunction circuit, temperature rise with higher
And power consumption, and breaking capacity is low.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies of existing technologies, low pressure fusing for transformer platform on a kind of 10kV integration column is provided
Body, the size of fuse-link have No. 1, No. 2 and No. 3 respectively, have temperature rise low in energy consumption and the characteristic of high breaking capacity, have lower
Temperature rise and power consumption, under conditions of ambient temperature is 50 DEG C, temperature rise only super 45k, power consumption is no more than 30W.
Realizing the technical solution of above-mentioned purpose is: low-voltage fuse body for transformer platform on a kind of 10kV integration column, including upper touching
Knife, lower contact knife and melt, in which:
The upper contact knife is identical with lower contact knife structure, includes contact, upper gusset piece and second line of a couplet fishplate bar, the upper gusset piece
Middle part and the middle part of second line of a couplet fishplate bar offer contact installing port respectively, the contact is successively plugged on the touching of the upper gusset piece
In the contact installing port of head installing port and second line of a couplet fishplate bar；
The upper contact knife and lower contact knife are oppositely arranged；
The second line of a couplet fishplate bar is in external tooth wheel-like structure, including round plate body and is arranged in the outer edge of the round plate body
Several double wedges and several concave tooth, several double wedges and several concave tooth be successively spaced setting；
Between the corresponding double wedge of the second line of a couplet fishplate bar of each double wedge of the second line of a couplet fishplate bar of the upper contact knife and lower contact knife and
One is respectively arranged between the corresponding concave tooth of the second line of a couplet fishplate bar of each concave tooth of the second line of a couplet fishplate bar of the upper contact knife and lower contact knife
The melt；
Not in the same plane per two adjacent melts；
Several row's fractures, every two adjacent fractures in every row's fracture are successively offered on each melt from top to bottom
Between narrow neck there are cross-section structure, and the length of the cross-section structure is greater than 1.2mm.
Low-voltage fuse body for transformer platform on a kind of above-mentioned 10kV integration column, wherein per adjacent two rows of fractures not same
In one plane.
Low-voltage fuse body for transformer platform on a kind of above-mentioned 10kV integration column, wherein on the medial surface of each melt
It is welded with Xi Qiao.
Low-voltage fuse body for transformer platform on a kind of above-mentioned 10kV integration column, wherein the shape of each fracture is in water chestnut
Shape or hexagon.
Low-voltage fuse body for transformer platform on a kind of above-mentioned 10kV integration column, wherein the melt uses oxygenless copper material
It is made.
Low-voltage fuse body for transformer platform on a kind of above-mentioned 10kV integration column, wherein on each melt from top to bottom
Successively offer at least three row's fractures.
Low-voltage fuse body for transformer platform on a kind of above-mentioned 10kV integration column, wherein the low-voltage fuse body further includes outer
Shell, the shell include fusion tube and block the cover board at fusion tube upper and lower opening end, and the fusion tube is socketed in the upper contact knife
Upper gusset piece and lower contact knife upper gusset piece between, and the cover board is located at the outside of corresponding upper gusset piece, the cover board
On be provided with mount hole.
Low-voltage fuse body for transformer platform on a kind of above-mentioned 10kV integration column, wherein the fusion tube is using high-intensitive oxidation
Aluminum porcelain is made.
Low-voltage fuse body for transformer platform on a kind of above-mentioned 10kV integration column, wherein filled out in the fusion tube filled with arc extinguishing
Material, the arc suppression filling use quartz sand.
Low-voltage fuse body for transformer platform on 10kV integration column of the invention, with temperature rise is low in energy consumption and high breaking capacity
Characteristic, under conditions of ambient temperature is 50 DEG C, it can be interlock circuit that only super 45k, power consumption, which are no more than 30W, for temperature rise
And component provides reliable protection.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of low-voltage fuse body for transformer platform on 10kV integration column of the invention；
Fig. 1 a is the main view of Fig. 1；
Fig. 1 b is the side view of Fig. 1；
Fig. 2 is the structural schematic diagram (removing fusion tube) of low-voltage fuse body for transformer platform on 10kV integration column of the invention；
Fig. 2 a is the side view of Fig. 2；
Fig. 2 b is the top view of Fig. 2；
Fig. 3 is the three-dimensional structure diagram of upper contact knife and lower contact knife；
Fig. 4 is the three-dimensional structure diagram of second line of a couplet fishplate bar；
Fig. 5 a is the three-dimensional structure diagram of melt；
Fig. 5 b is the main view of melt；
Fig. 5 c is the structural schematic diagram of part A in Fig. 5 b；
Fig. 5 d is the side view of melt.
Specific embodiment
It is right with reference to the accompanying drawing in order to make those skilled in the art be better understood when technical solution of the present invention
Its specific embodiment is described in detail:
Please refer to Fig. 1 to Fig. 2 b, highly preferred embodiment of the present invention, low-voltage fuse body for transformer platform on a kind of 10kV integration column
3, including upper contact knife 32, lower contact knife 33, melt 31 and shell.
Referring to Fig. 3, upper contact knife 32 is identical with lower 33 structure of contact knife, it include contact 34, upper gusset piece 35 and lower link
Plate 36, the middle part of upper gusset piece 35 and the middle part of second line of a couplet fishplate bar 36 offer contact installing port respectively, and contact 34 is successively plugged on
In the contact installing port of upper gusset piece 35 and the contact installing port 361 of second line of a couplet fishplate bar 36；Upper contact knife 32 and lower contact knife 33 are set relatively
It sets.
Referring to Fig. 4, second line of a couplet fishplate bar 36 is in external tooth wheel-like structure, including round plate body 362 and setting in round plate body
362 outer peripheral several double wedges 363 and several concave tooth 364, several double wedges 363 and several concave tooth 364 are successively spaced setting.Circle
The middle part of shape plate body 362 opens up contact installing port 361.
Please refer to Fig. 2 to Fig. 2 b, the second line of a couplet fishplate bar of each double wedge 363 of the second line of a couplet fishplate bar 36 of upper contact knife 32 and lower contact knife 33
Between 36 corresponding double wedge 363 and the lower link of each concave tooth 364 of the second line of a couplet fishplate bar 36 of upper contact knife 32 and lower contact knife 33
A melt 31 is respectively arranged between the corresponding concave tooth 364 of plate 36.Not in the same plane per two adjacent melts 31, i.e.,
Per two adjacent melts 31 be a convex recessed arrangement, not only increase melt heat dissipation, while on solid space each melt piece with
It is spaced invisible increase between piece, is not easy to alter arc, is conducive to disjunction.
Fig. 1 to Fig. 1 b is please referred to, shell includes the cover board 372 of fusion tube 37 and closure at 37 upper and lower opening end of fusion tube, fusion tube
37 are socketed between the upper gusset piece 35 of contact knife 32 and the upper gusset piece 35 of lower contact knife 33, and cover board 372 is located on corresponding
The outside of gusset piece 35 is provided with mount hole 371 on cover board 372.Fusion tube 37 is made of high-strength alumina ceramic material.Fusion tube
Arc suppression filling is filled in 37, arc suppression filling uses quartz sand.
Fig. 5 a to Fig. 5 d is please referred to, successively offers several row's fractures 311, every row's fracture on each melt 31 from top to bottom
In per the narrow neck 312 between two adjacent fractures 311, there are cross-section structures, and the length L of cross-section structure is greater than
1.2mm.It is planar structure at the distance minimum of i.e. narrow neck, by narrow neck between the round fracture on the melt of traditional fuse
Linear structure at distance minimum is changed to planar structure.
Not in the same plane per adjacent two rows of fractures 311, there are high and low fall.It is welded on the medial surface of each melt 31
It is connected to tin bridge 313.The shape of each fracture 311 assumes diamond in shape or hexagon.Preferably, it is successively opened from top to bottom on each melt 31
Equipped at least three row's fractures 311.
Melt is made of oxygenless copper material.Oxygen-free copper be it is not oxygen-containing also be free of any deoxidier residue fine copper, one
As for oxygen-free copper oxygen content be not more than 0.003%, content of impurities be not more than 0.05%, the purity of copper is greater than
99.95%；The drawability of oxygen-free copper is good, and oxygen-free copper bar is mingled with less, and oxygen content is stablized, no issuable defect of hot rolling, anaerobic
Copper is the sign of no hydrogen embrittlement, and it is a kind of good rapidoprint that its conductivity is high.Its machining function and welding function is very
Original, in addition, the anti-corrosion function of this copper copper is also fine, oxidation resistance is stronger.It furthermore is exactly its high temperature resistant
Function is also very strong.Than that can work well under relatively rugged environment.
Low-voltage fuse body for transformer platform on 10kV integration column of the invention, the circle on the melt of traditional fuse is broken
Mouthful, it is changed to hexagon fracture or diamond shape fracture, there are cross-section knots for the narrow neck in every row's fracture between every two adjacent fractures
Structure, to have temperature rise low in energy consumption and the characteristic of high breaking capacity.
In conclusion low-voltage fuse body for transformer platform on 10kV integration column of the invention, has temperature rise low in energy consumption and high
The characteristic of breaking capacity has lower temperature rise and power consumption, and under conditions of ambient temperature is 50 DEG C, temperature rise only surpasses
45k, power consumption are no more than 30W, can provide reliable protection for interlock circuit and component.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above
Change, modification will all be fallen within the scope of claims of the present invention.
Claims (9)
1. low-voltage fuse body for transformer platform on a kind of 10kV integration column, which is characterized in that including upper contact knife, lower contact knife and melt,
Wherein:
The upper contact knife is identical with lower contact knife structure, includes contact, upper gusset piece and second line of a couplet fishplate bar, in the upper gusset piece
Portion and the middle part of second line of a couplet fishplate bar offer contact installing port respectively, and the contact is successively plugged on the contact peace of the upper gusset piece
In the contact installing port for filling mouth and second line of a couplet fishplate bar；
The upper contact knife and lower contact knife are oppositely arranged；
The second line of a couplet fishplate bar is in external tooth wheel-like structure, if including round plate body and the outer peripheral of the round plate body is arranged in
Dry double wedge and several concave tooth, several double wedges and several concave tooth are successively spaced setting；
It is between the corresponding double wedge of the second line of a couplet fishplate bar of each double wedge of the second line of a couplet fishplate bar of the upper contact knife and lower contact knife and described
It is respectively arranged with described in one between the corresponding concave tooth of the second line of a couplet fishplate bar of each concave tooth of the second line of a couplet fishplate bar of upper contact knife and lower contact knife
Melt；
Not in the same plane per two adjacent melts；
Several row's fractures are successively offered on each melt from top to bottom, in every row's fracture between every two adjacent fractures
Narrow neck there are cross-section structure, and the length of the cross-section structure is greater than 1.2mm.
2. low-voltage fuse body for transformer platform on a kind of 10kV integration column according to claim 1, which is characterized in that per adjacent
Two rows of fractures not in the same plane.
3. low-voltage fuse body for transformer platform on a kind of 10kV integration column according to claim 1, which is characterized in that Mei Gesuo
It states and is welded with Xi Qiao on the medial surface of melt.
4. low-voltage fuse body for transformer platform on a kind of 10kV integration column according to claim 1, which is characterized in that Mei Gesuo
The shape for stating fracture assumes diamond in shape or hexagon.
5. low-voltage fuse body for transformer platform on a kind of 10kV integration column according to claim 1, which is characterized in that Mei Gesuo
Melt is stated to be made of oxygenless copper material.
6. low-voltage fuse body for transformer platform on a kind of 10kV integration column according to claim 1, which is characterized in that Mei Gesuo
It states and successively offers at least three row's fractures on melt from top to bottom.
7. according to claim 1 to low-voltage fuse body for transformer platform on a kind of 10kV integration column described in 6 any one, feature
It is, the low-voltage fuse body further includes shell, and the shell includes the lid of fusion tube and closure at fusion tube upper and lower opening end
Plate, the fusion tube is socketed between the upper gusset piece of the upper contact knife and the upper gusset piece of lower contact knife, and the cover board is located at phase
The outside for the upper gusset piece answered is provided with mount hole on the cover board.
8. low-voltage fuse body for transformer platform on a kind of 10kV integration column according to claim 7, which is characterized in that described molten
Pipe is made of high-strength alumina ceramic material.
9. low-voltage fuse body for transformer platform on a kind of 10kV integration column according to claim 7, which is characterized in that described molten
Arc suppression filling is filled in pipe, the arc suppression filling uses quartz sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710689260.8A CN107492475B (en) | 2017-08-08 | 2017-08-08 | Low-voltage fuse body for transformer platform on a kind of 10kV integration column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710689260.8A CN107492475B (en) | 2017-08-08 | 2017-08-08 | Low-voltage fuse body for transformer platform on a kind of 10kV integration column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107492475A CN107492475A (en) | 2017-12-19 |
| CN107492475B true CN107492475B (en) | 2018-12-11 |
Family
ID=60644305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710689260.8A Expired - Fee Related CN107492475B (en) | 2017-08-08 | 2017-08-08 | Low-voltage fuse body for transformer platform on a kind of 10kV integration column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107492475B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511299A (en) * | 2018-06-04 | 2018-09-07 | 苏州达晶微电子有限公司 | A kind of novel surface attachment fuse |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191029122A (en) * | 1910-12-15 | 1912-01-15 | Vernon Hope | Improvements in Fusible Cut-outs for Controlling Electric Circuits. |
| GB1240787A (en) * | 1968-12-17 | 1971-07-28 | Ferraz & Cie Lucien | Improvements in or relating to cartridge fuses |
| CN204857648U (en) * | 2015-08-31 | 2015-12-09 | 温州金利达电器有限公司 | Fast acting fuse |
-
2017
- 2017-08-08 CN CN201710689260.8A patent/CN107492475B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191029122A (en) * | 1910-12-15 | 1912-01-15 | Vernon Hope | Improvements in Fusible Cut-outs for Controlling Electric Circuits. |
| GB1240787A (en) * | 1968-12-17 | 1971-07-28 | Ferraz & Cie Lucien | Improvements in or relating to cartridge fuses |
| CN204857648U (en) * | 2015-08-31 | 2015-12-09 | 温州金利达电器有限公司 | Fast acting fuse |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107492475A (en) | 2017-12-19 |
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