CN112509894A - Take alarming function's insulating guard shield of fuse - Google Patents
Take alarming function's insulating guard shield of fuse Download PDFInfo
- Publication number
- CN112509894A CN112509894A CN202011144656.2A CN202011144656A CN112509894A CN 112509894 A CN112509894 A CN 112509894A CN 202011144656 A CN202011144656 A CN 202011144656A CN 112509894 A CN112509894 A CN 112509894A
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- Prior art keywords
- fuse
- protective cover
- moving contact
- fuse tube
- accommodating
- 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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- 230000001681 protective effect Effects 0.000 claims abstract description 35
- 239000012212 insulator Substances 0.000 claims abstract description 24
- 238000009413 insulation Methods 0.000 claims description 10
- 238000001746 injection moulding Methods 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 4
- 239000011324 bead Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000003811 finger Anatomy 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- H01H85/54—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
-
- 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
- H01H85/0241—Structural association of a fuse and another component or apparatus
-
- 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
-
- 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
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fuses (AREA)
Abstract
The invention provides a fuse insulating protective cover with an alarm function, which comprises an upper protective cover and a lower protective cover, wherein the upper protective cover comprises a wire inlet connecting part, an upper moving contact accommodating part and a first circular cover part matched with the upper end of an insulator, one side of the upper moving contact accommodating part, which is far away from the first support accommodating part, is provided with an accommodating channel convenient for a fuse tube to rotate, the outer side of the accommodating channel is provided with a limiting plate for preventing the fuse tube from rotating out of the accommodating channel, when the fuse tube rotates along the accommodating channel under the action of a spring piece and self gravity, the limiting plate limits the position of the fuse tube, so that a circuit can be disconnected by the fuse, the upper end of the disconnected fuse tube is kept in the accommodating channel and shielded by the upper protective cover to avoid potential leakage, a temperature sensing chip for detecting the temperature of the upper moving contact is arranged in the upper moving contact accommodating part, when the temperature detected by the temperature sensing chip is higher than the preset temperature, the temperature sensing chip sends an alarm signal to the mobile terminal.
Description
Technical Field
The invention relates to the technical field of fuses, in particular to a fuse insulation shield with an alarm function.
Background
The drop-out fuse is a short-circuit protection switch most commonly used by a 10kV distribution line branch line and a distribution transformer, is arranged on the 10kV distribution line branch line, can reduce the power failure range, has the function of an isolating switch due to the fact that the drop-out fuse has an obvious disconnection point, creates a safe operation environment for a maintenance section line and equipment, and increases the safety of maintenance personnel.
Both ends of the drop-out fuse are provided with conductive parts exposed in the air, and operation accidents are easy to happen under the threat of external force (air drifter, kite, town tree branch) and the like, so that the safe operation of the power grid is greatly influenced. Some current drop out fuses play the effect of protection to both ends through installing insulating guard shield at both ends, but when the fuse tube disconnection, the insulating guard shield is rolled out to the upper end of fuse tube, and the upper end of fuse tube exposes in the air always before the maintainer arrives, has the electric leakage risk. And the current drop-out fuse does not have an alarm function, so that an operator cannot timely arrive at the site to maintain the fuse.
Disclosure of Invention
The invention aims to provide a fuse insulating shield with an alarm function.
In order to achieve the purpose, the invention adopts the following technical scheme: a fuse insulation protective cover with an alarm function comprises a fuse tube and an insulator, an upper moving contact is arranged at the upper end of the fuse tube, the fuse insulation protective cover comprises an upper protective cover and a lower protective cover which are made of soft elastic insulation materials, the upper protective cover is arranged at the upper end of the fuse, the lower protective cover is arranged at the lower end of the fuse, the upper protective cover comprises an incoming line connecting part, an upper moving contact accommodating part and a first circular cover part matched with the upper end of the insulator, the first circular cover part and the upper moving contact accommodating part are communicated through a first support accommodating part, an accommodating channel convenient for the rotation of the fuse tube is arranged on one side, away from the first support accommodating part, of the upper moving contact accommodating part, a limiting plate preventing the fuse tube from rotating out of the accommodating channel is arranged on the outer side of the accommodating channel, a temperature sensing chip used for detecting, when the temperature detected by the temperature sensing chip is higher than the preset temperature, the temperature sensing chip sends an alarm signal to the mobile terminal.
Furthermore, the temperature sensing chip comprises an MCU and a thermocouple temperature sensor electrically connected with the MCU, the MCU contains a preset temperature, and when the temperature detected by the thermocouple temperature sensor is higher than the preset temperature, the MCU sends an alarm signal to the mobile terminal.
Furthermore, the outside of holding passageway is equipped with the opening, and the limiting plate is equipped with two and is located the open-ended left and right sides respectively, and the distance between two limiting plates is less than the diameter of fuse tube upper end.
Furthermore, the outside of holding passageway is equipped with the opening, and the limiting plate is located the open-ended top, and when the fuse tube rotated the opening part, the limiting plate prevented the fuse tube upper end and passed through.
Furthermore, an operating ring is arranged on the fuse tube, an operating ring accommodating portion used for accommodating the operating ring is arranged below the upper moving contact accommodating portion, the operating ring accommodating portion is communicated with the accommodating channel, the width of the operating ring accommodating portion is larger than that of the upper moving contact accommodating portion, and the width of the operating ring accommodating portion is gradually increased along the direction close to the accommodating channel.
Furthermore, a first convex edge used for pressing the side wall of the upper end of the insulator is arranged on the inner wall of the first circular cover part.
Further, go up the integrative injection moulding setting of guard shield, go up still to establish the mounting groove that the guard shield was gone into to fuse upper end card on the guard shield.
Furthermore, the two ends of the mounting groove are provided with connecting plates, the connecting plates are provided with connecting holes, and bolts penetrate through the connecting holes in the two connecting plates to connect the two connecting plates into a whole.
Furthermore, the lower end of the fuse tube is provided with a lower moving contact, the lower protective cover comprises an outgoing line connecting part, a lower moving contact accommodating part and a second circular cover part matched with the lower end of the insulator, and the second circular cover part is communicated with the lower moving contact accommodating part through a second support accommodating part.
Furthermore, a second rib used for pressing the side wall of the lower end of the insulator is arranged on the inner wall of the second circular protective cover.
After the technical scheme is adopted, the invention has the following advantages:
1. through setting up holding passageway and limiting plate, when the last moving contact of fuse tube upper end and the connection of the last static contact of insulator upper end are separated, the fuse tube rotates along the holding passageway under spring leaf and self action of gravity, and the position of limiting plate restriction fuse tube, make the upper end of fuse tube keep in the holding passageway, when making the fuse can guarantee the open circuit, the fuse tube upper end after the disconnection keeps being located the holding passageway, receive shielding of last guard shield, avoid the hidden danger of electric leakage, make the use of fuse safer. Through setting up the temperature sensing chip in last moving contact holding portion, when the temperature that the temperature sensing chip detected was greater than preset the temperature, the fuse fusing promptly, the temperature sensing chip sends alarm signal to removal ends such as staff's cell-phone, lets the staff in time arrive the scene and salvages, avoids the further upgrading of accident.
2. Through setting up the diameter that is less than fuse tube upper end apart from between two limiting plates, guarantee that the fuse tube can be blockked by the limiting plate, simultaneously because of last guard shield is made by soft elastic insulating material, the operation personnel can make the fuse tube fall from the opening through breaking the limiting plate off with the fingers and thumb when the maintenance, the inspection maintenance of the fuse of being convenient for.
3. Through setting up the limiting plate in the open-ended top, also can play spacing effect to the rotation of fuse tube.
4. The width through setting up the operation ring holding portion is greater than the width of last moving contact holding portion, the holding of the operating ring of being convenient for, and the direction width that the operating ring holding portion is close to the holding passageway increases gradually for the operating ring holding portion can not cause the interference to the operating ring, guarantees the normal rotation of fuse tube.
5. Through setting up first bead, do not have the clearance between the inner wall of first bead and first circular cover portion, increase the friction between first circular cover portion and the insulator, can guarantee to go up the complex stability between guard shield and the insulator.
6. Go up the integrative injection moulding of guard shield and set up for processing is more convenient, does not have joint gap between the part simultaneously, guarantees to go up the guard shield to the effect of shielding of fuse upper end, goes up to be equipped with the mounting groove on the guard shield, because of last guard shield is made by soft elastic insulating material, the upper end of fuse can go into the guard shield through the mounting groove card, makes the installation of going up the guard shield more convenient.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of an insulating protective cover of a fuse according to the present invention.
Fig. 2 is a schematic structural diagram of an upper shield in the insulating shield of the fuse according to the present invention.
Figure 3 is a side view of an upper shield of the fuse insulating shield of the present invention.
Figure 4 is a top view of an upper shield of the fuse insulating shield of the present invention.
Fig. 5 is a schematic structural view of a lower shield in the insulating shield of the fuse according to the present invention.
The names of the components marked in the figures are as follows:
100. an upper shield; 110. a wire inlet connecting part; 120. an upper moving contact accommodating part; 130. a first circular cover portion; 131. a first rib; 140. a first rack receiving portion; 150. an accommodating channel; 151. a limiting plate; 152. an opening; 160. mounting grooves; 161. a connecting plate; 162. connecting holes; 170. an operating ring receptacle; 200. a lower shield; 210. an outgoing line connecting part; 220. a lower moving contact accommodating part; 230. a second circular cover portion; 240. a second stent receiving portion.
Detailed Description
The invention is further described with reference to the following figures and specific examples. It is to be understood that the following terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like are used merely to indicate an orientation or positional relationship relative to one another as illustrated in the drawings, merely to facilitate describing and simplifying the invention, and are not intended to indicate or imply that the device/component so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore are not to be considered limiting of the invention.
As shown in fig. 1 to 5, the present invention provides an insulating protective cover for a fuse, the fuse includes a fuse tube and an insulator, an upper movable contact is disposed at an upper end of the fuse tube, a lower movable contact is disposed at a lower end of the fuse tube, the insulating protective cover for the fuse includes an upper protective cover 100 and a lower protective cover 200 made of a soft elastic insulating material, the upper protective cover 100 is mounted at an upper end of the fuse, the lower protective cover 200 is mounted at a lower end of the fuse, the upper protective cover 100 includes an incoming line connecting portion 110, an upper movable contact accommodating portion 120 and a first circular cover portion 130 engaged with an upper end of the insulator, the first circular cover portion 130 and the upper movable contact accommodating portion 120 are communicated with each other through a first support accommodating portion 140, an accommodating passage 150 for facilitating rotation of the fuse tube is disposed at a side of the upper movable contact accommodating portion 120 away from the first support accommodating portion 140, a limiting plate 151 for, when the connection of last moving contact on fuse tube upper end and the last static contact of insulator upper end is separated, the fuse tube rotates along the holding passageway under spring leaf and self action of gravity, and the position of limiting plate restriction fuse tube, make the upper end of fuse tube keep in the holding passageway, when making the fuse can guarantee the open circuit, the fuse tube upper end after the disconnection keeps being located the holding passageway, receive shielding of upper shield, avoid the hidden danger of electric leakage, make the use of fuse safer.
Go up being equipped with in the moving contact holding portion 120 and being used for detecting the temperature of moving contact chip, the temperature sensing chip with remove end wireless communication and be connected, when the temperature that the temperature sensing chip detected was greater than preset the temperature, when the fuse fusing promptly, the temperature sensing chip sent alarm signal to removal ends such as staff's cell-phone, let the staff in time arrive the scene and salvage, avoid the further upgrading of accident.
In this embodiment, the temperature sensing chip includes MCU and the thermocouple temperature sensor who is connected with the MCU electricity, contains in the MCU and predetermines the temperature, and when the temperature that thermocouple temperature sensor detected was greater than predetermineeing the temperature, MCU sent alarm signal to removing the end.
In this embodiment, the outside of holding passageway 150 is equipped with opening 152, and limiting plate 151 is equipped with two and is located the left and right sides of opening 152 respectively, and the distance between two limiting plates 151 is less than the diameter of fuse tube upper end, guarantees that the fuse tube can be blockked by the limiting plate, simultaneously because of last guard shield is made by soft elastic insulation material, and the operation personnel can make the fuse tube fall from the opening through breaking the limiting plate off with the fingers and thumb when the maintenance, the inspection maintenance of the fuse of being convenient for.
It can be understood that the limiting plate can be only provided with one, and the limiting plate is located the open-ended top, and when the fuse tube rotated the opening part, the limiting plate restriction fuse tube upper end passed through, played spacing effect to the rotation of fuse tube.
Be equipped with the operating ring on the fuse tube, can realize the restoration of fuse tube through the operating ring, go up guard shield 100 for guaranteeing to shield the fuse upper end, be equipped with the operating ring holding portion 170 that is used for holding the operating ring in the below of last moving contact holding portion 120, operating ring holding portion 170 and holding passageway 150 intercommunication, the width of operating ring holding portion 170 is greater than the width of last moving contact holding portion 120, the holding of the operating ring of being convenient for, and the width of operating ring holding portion 170 increases along the direction that is close to holding passageway 150 gradually, make the operating ring holding portion can not cause the interference to the operating ring, guarantee the normal rotation of fuse tube.
The inner wall of the first circular cover part 130 is provided with a first rib 131 used for compressing the side wall of the upper end of the insulator, no gap exists between the first rib 131 and the inner wall of the first circular cover part 130, friction between the first circular cover part and the insulator is increased, and stability of matching between the upper shield and the insulator can be guaranteed.
Go up the integrative injection moulding setting of guard shield 100 for processing is more convenient, does not have the joint gap between the part simultaneously, guarantees to go up the guard shield effect to the fuse upper end, goes up to be equipped with mounting groove 160 on the guard shield 100, because of last guard shield is made by soft elastic insulating material, the upper end of fuse can go into guard shield 100 through mounting groove 160 card, makes the installation of going up the guard shield more convenient.
The both ends of mounting groove 160 all are equipped with connecting plate 161, are equipped with connecting hole 162 on the connecting plate 161, and the bolt passes the connecting hole on two connecting plates in proper order and links into an integrated entity with two connecting plates, realizes the closure of mounting groove.
The lower guard 200 includes a wire outlet connection portion 210, a lower moving contact accommodating portion 220, and a second circular cover portion 230 engaged with the lower end of the insulator, wherein the second circular cover portion 230 and the lower moving contact accommodating portion 220 are communicated with each other through a second bracket accommodating portion 240.
The inner wall of the second circular shield 230 is provided with a second rib for compressing the side wall of the lower end of the insulator, no gap exists between the second rib and the inner wall of the second circular shield part, friction between the second circular shield part and the insulator is increased, and stability of matching between the lower shield and the insulator can be guaranteed.
Other embodiments of the present invention than the preferred embodiments described above will be apparent to those skilled in the art from the present invention, and various changes and modifications can be made therein without departing from the spirit of the present invention as defined in the appended claims.
Claims (10)
1. A fuse insulation protective cover with an alarm function comprises a fuse tube and an insulator, an upper moving contact is arranged at the upper end of the fuse tube, the fuse insulation protective cover comprises an upper protective cover and a lower protective cover which are made of soft elastic insulation materials, the upper protective cover is arranged at the upper end of the fuse, the lower protective cover is arranged at the lower end of the fuse, the fuse insulation protective cover is characterized in that the upper protective cover comprises an incoming line connecting part, an upper moving contact accommodating part and a first circular cover part matched with the upper end of the insulator, the first circular cover part and the upper moving contact accommodating part are communicated through a first support accommodating part, an accommodating channel convenient for the rotation of the fuse tube is arranged on one side of the upper moving contact accommodating part away from the first support accommodating part, a limiting plate preventing the fuse tube from rotating out of the accommodating channel is arranged on the outer side of the accommodating channel, a temperature sensing chip used, when the temperature detected by the temperature sensing chip is higher than the preset temperature, the temperature sensing chip sends an alarm signal to the mobile terminal.
2. The insulating protective cover of fuse with alarm function of claim 1, wherein said temperature sensing chip includes MCU and thermocouple temperature sensor electrically connected with MCU, the MCU includes the preset temperature, when the temperature detected by the thermocouple temperature sensor is greater than the preset temperature, MCU sends alarm signal to the mobile terminal.
3. The insulating protective cover of fuse with alarm function of claim 1, characterized in that the outside of the containing channel is provided with an opening, two limiting plates are provided and located at the left and right sides of the opening respectively, and the distance between the two limiting plates is smaller than the diameter of the upper end of the fuse tube.
4. A fuse insulation shield with an alarm function according to claim 1, wherein an opening is formed in the outer side of the accommodating channel, the limiting plate is located above the opening, and when the fuse tube rotates to the opening, the limiting plate prevents the upper end of the fuse tube from passing through the opening.
5. The insulating protective cover of fuse with alarm function as claimed in claim 1, wherein said fuse tube is provided with an operation ring, an operation ring containing part for containing the operation ring is provided below the upper moving contact containing part, the operation ring containing part is communicated with the containing channel, the width of the operation ring containing part is greater than that of the upper moving contact containing part, and the width of the operation ring containing part gradually increases along the direction close to the containing channel.
6. A fuse insulation shield with alarm function according to claim 1, wherein said first circular cover portion has a first rib on its inner wall for pressing against a side wall of an upper end of the insulator.
7. The insulating shield of fuse of area alarming function of claim 1, characterized by, the integrative injection moulding setting of upper shield still is equipped with the mounting groove that is convenient for fuse upper end card to go into upper shield on the upper shield.
8. A fuse insulation shield with an alarm function according to claim 7, wherein the two ends of the mounting groove are provided with connecting plates, the connecting plates are provided with connecting holes, and bolts penetrate through the connecting holes of the two connecting plates to connect the two connecting plates into a whole.
9. The insulating protective cover of the fuse with the alarm function as claimed in any one of claims 1 to 8, wherein the lower end of the fuse tube is provided with a lower moving contact, the lower protective cover comprises an outgoing line connecting part, a lower moving contact accommodating part and a second circular cover part matched with the lower end of the insulator, and the second circular cover part is communicated with the lower moving contact accommodating part through a second support accommodating part.
10. A fuse insulation shield with alarm function according to claim 9, wherein said second circular shield has a second rib on its inner wall for pressing the sidewall of the lower end of the insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011144656.2A CN112509894B (en) | 2020-10-23 | 2020-10-23 | Fuse insulation shield with alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011144656.2A CN112509894B (en) | 2020-10-23 | 2020-10-23 | Fuse insulation shield with alarm function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112509894A true CN112509894A (en) | 2021-03-16 |
| CN112509894B CN112509894B (en) | 2023-11-03 |
Family
ID=74954298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011144656.2A Active CN112509894B (en) | 2020-10-23 | 2020-10-23 | Fuse insulation shield with alarm function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112509894B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061792A (en) * | 2021-11-15 | 2022-02-18 | 江西省萍乡市南坑高压电瓷厂 | Diagnostic equipment for abnormal heating defect of composite insulator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050104709A1 (en) * | 2002-04-26 | 2005-05-19 | Montante Jorge R. | Fuse cutout with improved dropout performance |
| CN201336264Y (en) * | 2008-12-09 | 2009-10-28 | 北京市电力公司 | Fuse cutout shield installed on falling-type fuse cutout |
| CN201812770U (en) * | 2009-06-30 | 2011-04-27 | 上海兆邦电力器材有限公司 | Drop-out fuse with insulating protective hood and grounding device |
| CN204905197U (en) * | 2015-08-19 | 2015-12-23 | 江苏省电力公司扬州供电公司 | Drop out fuse's guard shield |
| US9916956B1 (en) * | 2015-09-24 | 2018-03-13 | Gato Assets, Llc | Cutout cover |
| CN208256609U (en) * | 2018-06-11 | 2018-12-18 | 王翔锐 | A kind of high-tension fuse with auto-alarm function |
| CN208903964U (en) * | 2018-11-27 | 2019-05-24 | 国网上海市电力公司 | A kind of warming changeable colour warning insulating boot |
-
2020
- 2020-10-23 CN CN202011144656.2A patent/CN112509894B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050104709A1 (en) * | 2002-04-26 | 2005-05-19 | Montante Jorge R. | Fuse cutout with improved dropout performance |
| CN201336264Y (en) * | 2008-12-09 | 2009-10-28 | 北京市电力公司 | Fuse cutout shield installed on falling-type fuse cutout |
| CN201812770U (en) * | 2009-06-30 | 2011-04-27 | 上海兆邦电力器材有限公司 | Drop-out fuse with insulating protective hood and grounding device |
| CN204905197U (en) * | 2015-08-19 | 2015-12-23 | 江苏省电力公司扬州供电公司 | Drop out fuse's guard shield |
| US9916956B1 (en) * | 2015-09-24 | 2018-03-13 | Gato Assets, Llc | Cutout cover |
| CN208256609U (en) * | 2018-06-11 | 2018-12-18 | 王翔锐 | A kind of high-tension fuse with auto-alarm function |
| CN208903964U (en) * | 2018-11-27 | 2019-05-24 | 国网上海市电力公司 | A kind of warming changeable colour warning insulating boot |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061792A (en) * | 2021-11-15 | 2022-02-18 | 江西省萍乡市南坑高压电瓷厂 | Diagnostic equipment for abnormal heating defect of composite insulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112509894B (en) | 2023-11-03 |
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