CN108922839B - High-voltage fuse - Google Patents
High-voltage fuse Download PDFInfo
- Publication number
- CN108922839B CN108922839B CN201810743217.XA CN201810743217A CN108922839B CN 108922839 B CN108922839 B CN 108922839B CN 201810743217 A CN201810743217 A CN 201810743217A CN 108922839 B CN108922839 B CN 108922839B
- Authority
- CN
- China
- Prior art keywords
- fuse
- glass cover
- voltage fuse
- movable plate
- thimble
- 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.)
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Links
- 239000011521 glass Substances 0.000 claims abstract description 43
- 229920003023 plastic Polymers 0.000 claims abstract description 11
- 239000000049 pigment Substances 0.000 claims description 34
- 239000004793 Polystyrene Substances 0.000 claims description 6
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 6
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 6
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 5
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims description 3
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 3
- 239000002775 capsule Substances 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920005668 polycarbonate resin Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 2
- 238000010618 wire wrap Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
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
- H01H85/042—General constructions or structure of high voltage fuses, i.e. above 1000 V
-
- 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
- H01H85/165—Casings
- H01H85/17—Casings characterised by the casing material
-
- 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
- H01H85/30—Means for indicating condition of fuse structurally associated with the fuse
Landscapes
- Fuses (AREA)
Abstract
The invention discloses a high-voltage fuse, which comprises a support column, a fuse wire, a shell, a left cover plate, end caps and a right cover plate, wherein the fuse wire wraps the support column, the shell wraps the fuse wire, two ends of the fuse wire are respectively connected with the left cover plate and the right cover plate, and two ends of the fuse wire are respectively provided with one end cap, and the high-voltage fuse is characterized in that: the shell is made of transparent plastic or transparent glass. The material through setting up the shell is transparent plastic or transparent glass, and whether this high-voltage fuse can be audio-visual confirms inside fuse wire fusing through eyes observation, has avoided the danger that the high-voltage fuse that can not in time discover to fuse takes place, and has made things convenient for high-voltage fuse's change.
Description
Technical Field
The invention relates to the technical field of protective electric appliances, in particular to a high-voltage fuse.
Background
The transformer is provided with a high-voltage fuse in a matching way, when the transformer breaks down and the current rises to a certain value, the high-voltage fuse can be fused to cut off the current, thereby playing a role in protecting the safe operation of the transformer. However, the existing high-voltage fuse has a ceramic shell, and the fused state of the high-voltage fuse cannot be directly reflected in the operation of the transformer after the fuse is fused, so that when the low-voltage side fails and the low-voltage three-phase voltage is abnormal, the operator is influenced to correctly judge the phase failure of the high-voltage side, and the normal operation of the transformer is dangerous; the fused high-voltage fuse can be found only by measurement, and can not be maintained and replaced in time.
Disclosure of Invention
Aiming at the defects of the prior art, the invention develops the high-voltage fuse which can visually determine whether the internal fuse wire is fused or not through eye observation, thereby avoiding the danger that the fused high-voltage fuse wire cannot be found in time and facilitating the replacement of the high-voltage fuse wire.
The technical scheme for solving the technical problem of the invention is as follows: on one hand, the embodiment of the invention provides a high-voltage fuse, which comprises a support column, a fuse wire, a shell, a left cover plate, an end cap and a right cover plate, wherein the fuse wire wraps the support column, the shell wraps the fuse wire, two ends of the fuse wire are respectively connected with the left cover plate and the right cover plate, and two ends of the fuse wire are respectively provided with an end cap, and the high-voltage fuse is characterized in that: the shell is made of transparent plastic or transparent glass.
Preferably, the housing is made of any one of PMMA (polymethyl methacrylate), PS (polystyrene plastic), PC (polycarbonate), and ABS resin (acrylonitrile-butadiene-styrene copolymer).
Preferably, the high-voltage fuse further comprises an electromagnet sucker, an ejector pin, a spring a and an end plate, a coil is arranged in the electromagnet sucker, one end of the coil is connected with the left cover plate or the right cover plate, the other end of the coil is connected with the end plate, the ejector pin is over against the suction surface of the electromagnet sucker, and the spring a is arranged between the ejector pin and the electromagnet sucker.
Preferably, the ejector pin is hollow, the spring a is arranged in the cavity of the ejector pin, and the ejector pin is arranged in a guide sleeve.
Preferably, a boss is arranged at one end, close to the electromagnet sucker, of the thimble.
Preferably, the high-voltage fuse further comprises a pigment bag and a glass cover, the pigment bag is arranged in the glass cover, the thimble is inserted into the glass cover, and the pigment bag is filled with pigment.
Preferably, the pigment balloon is a plastic or rubber balloon.
Preferably, the high-voltage fuse further comprises a movable plate, a spring b and a fixing pin, the movable plate is arranged in the glass cover, the pigment bag is fixed on the movable plate and arranged between the movable plate and the ejector pin, the spring b is arranged between one end, far away from the ejector pin, of the movable plate and the inner wall of the glass cover, a fixing hole is formed in the movable plate, a positioning hole is formed in the side wall of the glass cover, and the fixing pin penetrates through the positioning hole and then is inserted into the fixing hole in the movable plate.
Preferably, the glass cover wraps the whole fuse, and one end face of the left cover plate and one end face of the end plate are exposed out of the glass cover.
Preferably, the shell, the end cap and the glass cover are all cylindrical.
The effect provided in the summary of the invention is only the effect of the embodiment, not all the effects of the invention, and the technical scheme has the following advantages or beneficial effects:
1. the material through setting up the shell is transparent plastic or transparent glass, and whether this high-voltage fuse can be audio-visual confirms inside fuse wire fusing through eyes observation, has avoided the danger that the high-voltage fuse that can not in time discover to fuse takes place, and has made things convenient for high-voltage fuse's change.
2. By arranging the electromagnet sucker and the ejector pin, the ejector pin is sucked on the electromagnet sucker when the transformer normally works; when the high-voltage fuse fuses, the electromagnet sucker is powered off, the ejector pin extends out under the action of the spring a, and whether the high-voltage fuse fuses or not can be judged by observing the state of the ejector pin.
3. The boss is arranged at one end, close to the electromagnet sucker, of the ejector pin, so that the induction area can be increased, and the suction effect can be guaranteed.
4. By arranging the pigment bag and the glass cover and inserting the thimble into the glass cover, the thimble is sucked on the electromagnet sucker when the transformer normally works; when the high-voltage fuse fuses, the electromagnet sucker is powered off, the ejector pin is inserted into the deep part of the glass cover under the action of the spring a and punctures the pigment sac, so that the glass cover is filled with pigment, and the fusing condition of the high-voltage fuse is more conveniently checked.
5. Through setting up fly leaf, spring b, fixed pin, when the high-voltage fuse did not put into use, the fixed pin passed the locating hole on the glass cover after insert the fixed orifices on the fly leaf in, spring b is in compression state, even if the thimble does not receive the suction of electromagnet sucking disc at this moment, can not puncture the pigment bag yet. After the high-voltage fuse is installed and electrified, the ejector pin is sucked to the electromagnet sucker, the fixing pin is pulled out at the moment, the movable plate and the pigment bag are pushed to the direction of the ejector pin by the spring b, and at the moment, if the high-voltage fuse is fused, the pigment bag can be punctured by the action of the side ejector pin.
6. Through setting up whole fuse of glass cover parcel, possess bigger observation face and, when puncturing the pigment bag, whole glass cover is full of to pigment, observation that can be more convenient.
Drawings
Fig. 1 is a schematic structural diagram of an unused state according to an embodiment of the present invention.
FIG. 2 is a schematic diagram of an unblown state after an embodiment of the present invention has been put into use.
FIG. 3 is a schematic diagram of a blown state after an embodiment of the present invention has been deployed.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and procedures are omitted so as to not unnecessarily limit the invention.
Fig. 1 to 3 show an embodiment of the present invention, and as shown in the figures, a high voltage fuse includes a support pillar 1, a fuse 2, a housing 3, a left cover plate 4, an end cap 5, and a right cover plate 6, the fuse 2 wraps the support pillar 1, the housing 3 wraps the fuse 2, two ends of the fuse 2 are respectively connected to the left cover plate 4 and the right cover plate 6, two ends of the fuse 2 are respectively provided with an end cap 5, which is characterized in that: the shell 3 is made of transparent plastic or transparent glass. The housing 3, end cap 5, and glass cover 13 are all cylindrical. This high voltage fuse can be audio-visual whether fusing of inside fuse wire of confirming through eyes observation, has avoided the danger that can not in time discover the high voltage fuse that fuses takes place, and has made things convenient for high voltage fuse's change.
The housing 3 is made of any one of PMMA (polymethyl methacrylate), PS (polystyrene plastic), PC (polycarbonate) and ABS resin (acrylonitrile-butadiene-styrene copolymer).
The high-voltage fuse further comprises an electromagnet sucker 7, an ejector pin 8, a spring a9 and an end plate 15, a coil is arranged in the electromagnet sucker 7, one end of the coil is connected with the left cover plate 4 or the right cover plate 6, the other end of the coil is connected with the end plate 15, the ejector pin 8 is over against the suction surface of the electromagnet sucker 7, and a spring a9 is arranged between the ejector pin 8 and the electromagnet sucker 7. The thimble 8 is hollow, the spring a9 is arranged in the cavity of the thimble 8, and the thimble 8 is arranged in a guide sleeve. And a boss is arranged at one end of the thimble 8 close to the electromagnet sucker 7. The boss is arranged at one end, close to the electromagnet sucker 7, of the ejector pin 8, so that the induction area can be increased, and the suction effect can be guaranteed.
The high-voltage fuse further comprises a pigment bag 11 and a glass cover 13, wherein the pigment bag 11 is arranged in the glass cover 13, the thimble 8 is inserted into the glass cover 13, and the pigment bag 11 is filled with pigment. By arranging the pigment bag 11 and the glass cover 13 and inserting the thimble 8 into the glass cover 13, the thimble 8 is sucked on the electromagnet sucker 7 when the transformer normally works; when the high-voltage fuse fuses, the electromagnet sucker 7 is powered off, the thimble 8 is inserted into the deep part of the glass cover 13 under the action of the spring a9 and punctures the pigment sac 11, so that the glass cover 13 is filled with pigment, and the fusing condition of the high-voltage fuse is more conveniently checked.
The pigment capsule 11 is a plastic or rubber balloon. The high-voltage fuse further comprises a movable plate 10, a spring b12 and a fixing pin 14, wherein the movable plate 10 is arranged in the glass cover 13, the pigment bag 11 is fixed on the movable plate 10, the pigment bag 11 is arranged between the movable plate 10 and the thimble 8, a spring b12 is arranged between one end of the movable plate 10, which is far away from the thimble 8, and the inner wall of the glass cover 13, the movable plate 10 is provided with a fixing hole, the side wall of the glass cover 13 is provided with a positioning hole, and the fixing pin 14 is inserted into the fixing hole on the movable plate 10 after penetrating through the. By providing the movable plate 10, the spring b12, and the fixing pin 14, as shown in fig. 1, when the high voltage fuse is not put into use, the fixing pin 14 is inserted into the fixing hole of the movable plate 10 after passing through the positioning hole of the glass cover 13, and the spring b12 is in a compressed state, and at this time, even if the thimble 8 is not attracted by the electromagnet suction cup 7, the thimble cannot pierce the pigment capsule 11. When the high-voltage fuse is installed and powered on, the thimble 8 is attracted to the electromagnet suction cup 7, the fixing pin 14 is pulled out, the spring b12 pushes the movable plate 10 and the pigment bag 11 toward the thimble 8, and the high-voltage fuse is fused as shown in fig. 3, and the side thimble 8 is operated to pierce the pigment bag 11.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, the scope of the present invention is not limited thereto, and various modifications and variations which do not require inventive efforts and which are made by those skilled in the art are within the scope of the present invention.
Claims (5)
1. The utility model provides a high-voltage fuse, includes support column (1), fuse (2), shell (3), left side apron (4), end cap (5), right side apron (6), fuse (2) parcel support column (1), shell (3) parcel fuse (2), left side apron (4), right side apron (6) are connected respectively at the both ends of fuse (2), and the both ends of fuse (2) set up an end cap (5), characterized by respectively: the shell (3) is made of transparent plastic or transparent glass; the high-voltage fuse further comprises an electromagnet sucker (7), an ejector pin (8), a spring a (9) and an end plate (15), wherein a coil is arranged in the electromagnet sucker (7), one end of the coil is connected with the left cover plate (4) or the right cover plate (6), the other end of the coil is connected with the end plate (15), the ejector pin (8) is over against the suction surface of the electromagnet sucker (7), and the spring a (9) is arranged between the ejector pin (8) and the electromagnet sucker (7); the high-voltage fuse further comprises a pigment bag (11) and a glass cover (13), wherein the pigment bag (11) is arranged in the glass cover (13), the thimble (8) is inserted into the glass cover (13), and pigment is filled in the pigment bag (11); the thimble (8) is hollow, the spring a (9) is arranged in the cavity of the thimble (8), and the thimble (8) is arranged in a guide sleeve; a boss is arranged at one end of the thimble (8) close to the electromagnet sucker (7); the high-voltage fuse further comprises a movable plate (10), a spring b (12) and a fixing pin (14), wherein the movable plate (10) is arranged in a glass cover (13), a pigment bag (11) is fixed on the movable plate (10), the pigment bag (11) is arranged between the movable plate (10) and an ejector pin (8), the spring b (12) is arranged between one end, away from the ejector pin (8), of the movable plate (10) and the inner wall of the glass cover (13), a fixing hole is formed in the movable plate (10), a positioning hole is formed in the side wall of the glass cover (13), and the fixing pin (14) penetrates through the positioning hole and then is inserted into the fixing hole in the movable plate (10).
2. A high-voltage fuse according to claim 1, wherein said housing (3) is made of any one of PMMA (polymethyl methacrylate), PS (polystyrene), PC (polycarbonate), and ABS resin (acrylonitrile-butadiene-styrene copolymer).
3. A high-voltage fuse according to claim 1, characterized in that the pigment capsule (11) is a plastic or rubber balloon.
4. A high-voltage fuse as claimed in claim 1, characterized in that the glass cover (13) encloses the entire fuse, and that one end face of the left cover plate (4) and the end plate (15) is exposed from the glass cover (13).
5. A high-voltage fuse according to claim 1, characterized in that the housing (3), the end cap (5) and the glass cover (13) are cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810743217.XA CN108922839B (en) | 2018-07-09 | 2018-07-09 | High-voltage fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810743217.XA CN108922839B (en) | 2018-07-09 | 2018-07-09 | High-voltage fuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108922839A CN108922839A (en) | 2018-11-30 |
| CN108922839B true CN108922839B (en) | 2020-05-19 |
Family
ID=64424861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810743217.XA Active CN108922839B (en) | 2018-07-09 | 2018-07-09 | High-voltage fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108922839B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112185783B (en) * | 2020-12-02 | 2021-04-09 | 乐清海创智能科技有限公司 | Automatic recovery type electric fuse |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7231708B1 (en) * | 2003-09-11 | 2007-06-19 | Chandler R Dennis | Method for marking fuses |
| JP2007250381A (en) * | 2006-03-16 | 2007-09-27 | Tokyo Electric Power Co Inc:The | Lead-in fuse with immersion display function |
| JP2007311086A (en) * | 2006-05-17 | 2007-11-29 | Chugoku Electric Power Co Inc:The | Fuse holder and fuse |
| JP2011086593A (en) * | 2009-10-19 | 2011-04-28 | Chugoku Electric Power Co Inc:The | Electric wire fuse |
| CN203871290U (en) * | 2014-04-29 | 2014-10-08 | 昆山达功电子有限公司 | High-voltage fuse |
| CN207269013U (en) * | 2017-10-24 | 2018-04-24 | 山东科技大学 | A kind of electric system protection device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1065547A (en) * | 1991-04-01 | 1992-10-21 | 倪山 | The fuse of band fusing indication |
| CN201285747Y (en) * | 2008-09-25 | 2009-08-05 | 潍坊供电公司 | Fuse |
| CN101853754A (en) * | 2009-04-03 | 2010-10-06 | 上海松山电子有限公司 | High-voltage fuse |
| CN102315057A (en) * | 2010-06-30 | 2012-01-11 | 钱进 | Novel high-voltage fuse |
| CN203179829U (en) * | 2013-02-27 | 2013-09-04 | 周海兵 | Fine-tuning fuse tube for high-voltage fuse |
| CN206259306U (en) * | 2016-10-20 | 2017-06-16 | 兰清群 | A kind of high-tension fuse of long service life |
-
2018
- 2018-07-09 CN CN201810743217.XA patent/CN108922839B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7231708B1 (en) * | 2003-09-11 | 2007-06-19 | Chandler R Dennis | Method for marking fuses |
| JP2007250381A (en) * | 2006-03-16 | 2007-09-27 | Tokyo Electric Power Co Inc:The | Lead-in fuse with immersion display function |
| JP2007311086A (en) * | 2006-05-17 | 2007-11-29 | Chugoku Electric Power Co Inc:The | Fuse holder and fuse |
| JP2011086593A (en) * | 2009-10-19 | 2011-04-28 | Chugoku Electric Power Co Inc:The | Electric wire fuse |
| CN203871290U (en) * | 2014-04-29 | 2014-10-08 | 昆山达功电子有限公司 | High-voltage fuse |
| CN207269013U (en) * | 2017-10-24 | 2018-04-24 | 山东科技大学 | A kind of electric system protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108922839A (en) | 2018-11-30 |
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