CN112117169A - Switch with circuit protection function - Google Patents
Switch with circuit protection function Download PDFInfo
- Publication number
- CN112117169A CN112117169A CN202011317075.4A CN202011317075A CN112117169A CN 112117169 A CN112117169 A CN 112117169A CN 202011317075 A CN202011317075 A CN 202011317075A CN 112117169 A CN112117169 A CN 112117169A
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- China
- Prior art keywords
- switch
- shell
- limiting
- insulating
- circuit protection
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- 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
- H01H85/26—Magazine arrangements
-
- 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
-
- 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
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- Fuses (AREA)
Abstract
The invention discloses a switch with a circuit protection function, which comprises a switch shell, wherein the inner side of the switch shell is rotatably connected with an insulating cylinder, the front end surface of the insulating cylinder is fixedly connected with a second bevel gear, the front end surface of the switch shell is provided with a supporting plate in a sliding manner, the front end surface of the switch shell is connected with a limiting rotary sleeve for limiting the supporting plate in a screwing manner through threads, and the front end surface of the supporting plate is provided with an adjusting rotary column. According to the invention, firstly, a multi-fuse circuit protection structure is adopted, the maximum fusing currents of a plurality of fuses can be set to be different, and the fuses protect the circuit, so that the circuit protection performance of the switch is improved.
Description
Technical Field
The invention relates to the technical field of switches, in particular to a switch with a circuit protection function.
Background
The words switch are to be interpreted as open and closed. It also refers to an electronic component that can open a circuit, interrupt a current, or cause it to flow to other circuits. The most common switches are electromechanical devices operated by a person, in which there are one or several electrical contacts. The "closing" of a contact means that the electronic contact is conductive, allowing current to flow; an "open" of the switch indicates that the electrical contact is non-conductive, creating an open circuit, not allowing current to flow.
No matter be long-term circuit or interim circuit, the switch always is indispensable electronic component in the circuit, and when interim circuit was built, often still need insert the circuit protector in the circuit, because the switch is indispensable electronic component in the circuit, whether can realize through the switch that the efficiency that circuit protection promoted circuit and built is the problem that needs to solve among the prior art.
Disclosure of Invention
The invention aims to: in order to solve the above-mentioned problems, a switch with a circuit protection function is proposed.
In order to achieve the purpose, the invention adopts the following technical scheme:
a switch with a circuit protection function comprises a switch shell, wherein an insulating cylinder is rotatably connected to the inner side of the switch shell, a second bevel gear is fixedly connected to the front end face of the insulating cylinder, a supporting plate slides on the front end face of the switch shell, a limiting rotary sleeve for limiting the supporting plate is connected to the front end face of the switch shell in a screwing mode through threads, an adjusting rotary column is installed on the front end face of the supporting plate, a first bevel gear in meshing transmission with the second bevel gear is coaxially and rotatably connected to the top of the adjusting rotary column, a plurality of installation grooves are annularly and integrally distributed on the outer end face of the insulating cylinder, two first conducting strips are installed on the inner sides of the installation grooves, a fuse is detachably and fixedly connected between the two first conducting strips, a groove is formed in the top of the inner side of the switch shell, and a fixed conducting elastic sheet is installed on the, the inboard of backup pad is rotated and is connected with switch knob, switch knob's rear end face passes through the insulating column fixedly connected with and slides electrically conductive shell fragment, switch shell's inboard has and is used for insulating column and the gliding switch spout of the electrically conductive shell fragment of slip, switch shell's inboard top has spacing spout, the electro-magnet is installed to the inboard of spacing spout, and the first end and the fixed electrically conductive shell fragment electric connection of electro-magnet, two wiring subassemblies are installed at switch shell's top, two wiring subassemblies respectively with the second end of electro-magnet with slide electrically conductive shell fragment electric connection, the outer terminal surface of insulating cylinder has a plurality of iron prop spouts that are annular array and distribute, and the inboard slip of iron prop spout has spacing iron prop.
As a further description of the above technical solution:
the inboard of switch shell has the installation spout, the telescopic link is installed to the inboard of installation spout, and the terminal fixedly connected with stopper of telescopic link.
As a further description of the above technical solution:
and the outer end face of the telescopic rod is sleeved with a return spring.
As a further description of the above technical solution:
the outer end face of the insulating cylinder is provided with a plurality of limiting grooves which are matched with the limiting blocks and distributed in an annular array.
As a further description of the above technical solution:
the limiting groove is of an inwards concave arc-shaped structure, and the outer surface wall of the limiting block is attached to the inner wall of the limiting groove.
As a further description of the above technical solution:
the wiring assembly comprises an insulation shell, a wire inlet hole, a screw rod, a pressing plate and a second conducting plate, the insulation shell is fixed to the top of the switch shell, and the wire inlet hole is formed in the front end face of the switch shell.
As a further description of the above technical solution:
the top of the insulating shell is connected with a screw rod penetrating through the insulating shell in a screwing mode through threads, and the bottom of the screw rod is fixedly connected with a pressing plate.
As a further description of the above technical solution:
and the bottom of the inner side of the insulating shell is fixedly connected with second conducting strips, and the two second conducting strips are respectively and electrically connected with the second end of the electromagnet and the sliding conducting elastic sheet.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, a multi-fuse circuit protection structure is adopted, the maximum fusing currents of a plurality of fuses can be set to be different, the circuit is protected through the fuses, in addition, when the multi-fuse circuit protection structure is used, if the fuses with different maximum fusing currents or one of the fuses is fused, the rotating column is adjusted through rotation, so that the first bevel gear is driven to rotate, the insulating cylinder is driven to rotate through the meshing transmission of the first bevel gear and the second bevel gear, the plurality of fuses are distributed along the outer end surface of the insulating cylinder in an annular array mode, different fuses can be driven to access the circuit through the rotation of the insulating cylinder, so that the fast access after the fuses are fused and the fuses with different fusing currents can be changed, and the circuit protection performance of the switch is improved.
2. According to the invention, the fuse is adjusted by adopting an electromagnetic type power-on self-locking mechanism, after the switch is opened, under the power-on state of a circuit, the electromagnet can generate magnetic attraction force to adsorb the limiting iron column to the inner side of the limiting sliding groove, at the moment, the limiting iron column is partially arranged in the iron column sliding groove of the insulating cylinder, and the other part is arranged in the limiting sliding groove of the switch shell, so that the insulating cylinder is locked, the insulating cylinder is prevented from rotating under the power-on state, the use safety of the switch is ensured, and when the circuit is powered off, the limiting iron column can reset into the iron column sliding groove under the self gravity action, so that under the switch closing state, the limiting iron column does not block the rotation of the insulating cylinder, and the use safety of the switch is ensured through the power-on self-locking of the fuse adjusting component.
Drawings
FIG. 1 shows a schematic front view according to the present invention;
FIG. 2 shows a schematic side cross-sectional view according to the present invention;
FIG. 3 illustrates a partial enlarged schematic view at A provided in accordance with an embodiment of the present invention;
FIG. 4 shows a schematic cross-sectional view according to the present invention;
fig. 5 is a schematic structural diagram illustrating a wiring assembly provided according to an embodiment of the present invention.
Illustration of the drawings:
1. a switch housing; 101. installing a chute; 102. a groove; 103. a limiting chute; 104. opening and closing the chute; 2. a support plate; 3. a switch knob; 4. a wiring assembly; 401. an insulating case; 402. a wire inlet hole; 403. a screw; 404. pressing a plate; 405. a second conductive sheet; 5. a limiting rotary sleeve; 6. adjusting the rotary column; 7. a first bevel gear; 8. a telescopic rod; 9. a return spring; 10. a limiting block; 11. a second bevel gear; 12. an electromagnet; 13. fixing the conductive elastic sheet; 14. limiting the iron column; 15. an insulating cylinder; 1501. mounting grooves; 1502. an iron column chute; 1503. a limiting groove; 16. a fuse; 17. a first conductive sheet; 18. an insulating column; 19. and sliding the conductive elastic sheet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In an embodiment, referring to fig. 1-5, the present invention provides a technical solution: a switch with a circuit protection function comprises a switch shell 1, an insulating cylinder 15 is rotatably connected to the inner side of the switch shell 1, a second bevel gear 11 is fixedly connected to the front end face of the insulating cylinder 15, a supporting plate 2 slides on the front end face of the switch shell 1, a limiting rotary sleeve 5 used for limiting the supporting plate 2 is connected to the front end face of the switch shell 1 through screwing, an adjusting rotary column 6 is installed on the front end face of the supporting plate 2, a first bevel gear 7 in meshing transmission with the second bevel gear 11 is coaxially and rotatably connected to the top of the adjusting rotary column 6, a plurality of installation grooves 1501 are annularly and integrally distributed on the outer end face of the insulating cylinder 15, two first conducting strips 17 are installed on the inner sides of the installation grooves 1501, a fuse 16 is detachably and fixedly connected between the two first conducting strips 17, a groove 102 is formed in the top of the inner side of the switch shell 1, and a fixed conducting elastic sheet 13 is, the inner side of the supporting plate 2 is rotatably connected with a switch knob 3, the rear end face of the switch knob 3 is fixedly connected with a sliding conductive elastic sheet 19 through an insulating column 18, the inner side of the switch shell 1 is provided with a switch chute 104 for sliding the insulating column 18 and the sliding conductive elastic sheet 19, the top of the inner side of the switch shell 1 is provided with a limiting chute 103, the inner side of the limiting chute 103 is provided with an electromagnet 12, the first end of the electromagnet 12 is electrically connected with a fixed conductive elastic sheet 13, the top of the switch shell 1 is provided with two wiring components 4, the two wiring components 4 are respectively electrically connected with the second end of the electromagnet 12 and the sliding conductive elastic sheet 19, the outer end face of the insulating cylinder 15 is provided with a plurality of iron column 1502 chutes distributed in an annular array, the inner side of the iron column chute 1502 slides to be provided with a limiting iron column 14, a multi-fuse 16 circuit protection structure is adopted, and the, the circuit is protected by the fuse 16, and when the fuse 16 is used and different maximum fusing currents of the fuse 16 or one of the fuses 16 needs to be adjusted to be fused, the adjusting rotary column 6 is rotated to drive the first bevel gear 7 to rotate, the insulating cylinder 15 is driven to rotate through the meshing transmission of the first bevel gear 7 and the second bevel gear 11, the plurality of fuses 16 are distributed along the outer end surface of the insulating cylinder 15 in an annular array manner, different fuses 16 can be driven to be connected into the circuit through the rotation of the insulating cylinder 15, so that the fuses 16 with different fusing currents can be quickly connected and changed, the protection performance of the circuit by the switch is realized, and the fuse 16 adjusting mechanism adopts an electromagnetic self-locking mechanism, after the switch is connected into the circuit, the sliding conductive elastic sheet 19 is moved to be attached to the first conductive sheet 17 positioned at the top through rotating the switch knob 3, thereby accomplish the circular telegram of circuit, at this moment, under circuit on-state, electro-magnet 12 can produce magnetic attraction, thereby adsorb spacing iron prop 14 to the inboard of spacing spout 103, this moment, spacing iron prop 14 part is in insulating cylindrical 15's iron prop spout 1502, another part is in switch housing 1's spacing spout 103, thereby the completion is died to insulating cylindrical 15's lock, thereby prevent insulating cylindrical 15's rotation under the on-state, the security of switch usage has been ensured, and, when the circuit outage, spacing iron prop 14 can reset to iron prop spout 1502 in under self action of gravity, thereby under the switch off-state, spacing iron prop 14 does not obstruct insulating cylindrical 15's rotation, in this device, when the switch overhauls or when trading fuse 16, through rotating spacing swivel nut 5, outwards take out backup pad 2 and insulating cylindrical 15 can.
Specifically, as shown in fig. 2 and fig. 3, the inner side of the switch housing 1 has an installation chute 101, the inner side of the installation chute 101 is provided with a telescopic rod 8, the end of the telescopic rod 8 is fixedly connected with a limit block 10, the outer end surface of the telescopic rod 8 is sleeved with a return spring 9, the outer end surface of the insulating cylinder 15 is provided with a plurality of limit grooves 1503 distributed in an annular array for matching with the limit block 10, the limit grooves 1503 are in a concave arc structure, the outer wall of the limit block 10 is attached to the inner wall of the limit grooves 1503, the limit block 10 is extruded into the limit grooves 1503 through the return spring 9, so that the insulating cylinders 15 rotating to different positions are fixed, the damping sense when the insulating cylinders 15 rotate is increased, thereby preventing the switch from rotating under the open-close state, and when the limit block 10 slides to the inner side of the limit grooves 1503, an operator can know that the fuse, the inner wall of the limiting groove 1503 is of a concave arc-shaped structure, so that the limiting block 10 is conveniently in excessive fit with the limiting groove 1503.
Specifically, as shown in fig. 5, the wiring assembly 4 includes an insulating shell 401, a wire inlet 402, a screw 403, a pressing plate 404 and a second conductive plate 405, the insulating shell 401 is fixed on the top of the switch housing 1, the wire inlet 402 is formed on the front end surface of the switch housing 1, the top of the insulating shell 401 is screwed to the screw 403 penetrating through the insulating shell 401 through threads, the bottom of the screw 403 is fixedly connected with the pressing plate 404, the second conductive plate 405 is fixedly connected to the bottom of the inner side of the insulating shell 401, the two second conductive plates 405 are respectively electrically connected to the second end of the electromagnet 12 and the sliding conductive elastic plate 19, two wires in a circuit connected to the switch are respectively inserted into the wire inlet 402 of the insulating shell 401, the pressing plate 404 is driven by rotating the screw 403 to downwards extrude the wires to be tightly attached to the second conductive plate 405, and the switch and the external circuit are mounted.
The working principle is as follows: when the switch is used, two wires in a circuit accessed by the switch are respectively inserted into the inner side of a wire inlet hole 402 of an insulating shell 401, a pressing plate 404 is driven by rotating a screw 403 to downwards extrude the wires to be tightly attached to a second conducting plate 405, the installation between the switch and an external circuit is completed, when the switch is opened, the switch knob 3 is rotated, so that a sliding conducting elastic sheet 19 is driven to move to be in contact with one first conducting plate 17 at the top, so that the circuit is opened, the circuit is protected by a fuse 16 between the two first conducting plates 17 at the top, if different maximum fusing currents 16 need to be adjusted or one of the fuses 16 is fused, the switch knob 3 is rotated to open the switch, at the moment, the adjusting rotary column 6 is rotated to drive the first bevel gear 7 to rotate, the first bevel gear 7 and the second bevel gear 11 are meshed for transmission, so that the insulating cylinder 15 is driven to rotate, because the plurality of fuses 16 are distributed along the outer end surface of the insulating cylinder 15 in an annular array, different fuses 16 can be driven to be connected into a circuit through the rotation of the insulating cylinder 15, so that the fuses 16 can be quickly connected after being fused and the fuses 16 with different fusing currents can be changed, in addition, the fuse 16 adjusting mechanism adopts an electromagnetic type self-locking mechanism, when the switch is opened, the circuit is in a power-on state, at the moment, the electromagnet 12 can generate magnetic attraction force, so that the limiting iron column 14 is adsorbed to the inner side of the limiting sliding groove 103, at the moment, the limiting iron column 14 is partially arranged in the iron column sliding groove 1502 of the insulating cylinder 15, the other part is arranged in the limiting sliding groove 103 of the switch shell 1, so that the locking of the insulating cylinder 15 is completed, the rotation of the insulating cylinder 15 in the power-on state is prevented, and when the circuit is powered off, the limiting iron column 14 can reset into the iron column sliding groove, therefore, in the off state of the switch, the limiting iron column 14 does not block the rotation of the insulating cylinder 15, and the use safety of the switch is guaranteed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A switch with a circuit protection function comprises a switch shell (1) and is characterized in that an insulating cylinder (15) is rotatably connected to the inner side of the switch shell (1), a second bevel gear (11) is fixedly connected to the front end face of the insulating cylinder (15), a supporting plate (2) slides on the front end face of the switch shell (1), a limiting rotary sleeve (5) used for limiting the supporting plate (2) is connected to the front end face of the switch shell (1) in a screwing mode through threads, an adjusting rotary column (6) is installed on the front end face of the supporting plate (2), a first bevel gear (7) in meshing transmission with the second bevel gear (11) is coaxially and rotatably connected to the top of the adjusting rotary column (6), a plurality of conducting strips (1501) distributed in an annular array are arranged on the outer end face of the insulating cylinder (15), and two first bevel gears (17) are installed on the inner sides of the plurality of the mounting grooves (1501), and a fuse (16) is detachably and fixedly connected between the two first conducting strips (17), a groove (102) is formed in the top of the inner side of the switch shell (1), a fixed conducting elastic sheet (13) is installed on the inner side of the groove (102), a switch knob (3) is rotatably connected to the inner side of the supporting plate (2), a sliding conducting elastic sheet (19) is fixedly connected to the rear end face of the switch knob (3) through an insulating column (18), a switch sliding groove (104) for the insulating column (18) and the sliding conducting elastic sheet (19) to slide is formed in the inner side of the switch shell (1), a limiting sliding groove (103) is formed in the top of the inner side of the switch shell (1), an electromagnet (12) is installed on the inner side of the limiting sliding groove (103), the first end of the electromagnet (12) is electrically connected with the fixed conducting elastic sheet (13), and two wiring assemblies (4) are installed on the, two wiring subassemblies (4) respectively with the second end of electro-magnet (12) and electrically conductive shell fragment of sliding (19) electric connection, the outer terminal surface of insulating cylinder (15) has a plurality of iron prop spouts (1502) that are the annular array and distribute, and the inboard slip of iron prop spout (1502) has spacing iron prop (14).
2. The switch with the circuit protection function according to claim 1, wherein the switch housing (1) has a mounting chute (101) on the inner side, the telescopic rod (8) is mounted on the inner side of the mounting chute (101), and the end of the telescopic rod (8) is fixedly connected with a limiting block (10).
3. A switch with circuit protection according to claim 2, characterized in that the outer end face of the telescopic rod (8) is sleeved with a return spring (9).
4. A switch with circuit protection function according to claim 2, characterized in that the outer end face of the insulating cylinder (15) has a plurality of limiting grooves (1503) distributed in a ring array for matching with the limiting block (10).
5. The switch with the circuit protection function according to claim 4, wherein the limiting groove (1503) is a concave arc structure, and the outer surface wall of the limiting block (10) is attached to the inner wall of the limiting groove (1503).
6. The switch with the circuit protection function according to claim 1, wherein the wiring assembly (4) comprises an insulating shell (401), a wire inlet hole (402), a screw rod (403), a pressing plate (404) and a second conducting plate (405), the insulating shell (401) is fixed on the top of the switch shell (1), and the wire inlet hole (402) is formed in the front end face of the switch shell (1).
7. The switch with the circuit protection function according to claim 6, wherein the top of the insulating shell (401) is screwed with a screw (403) penetrating through the insulating shell (401), and the bottom of the screw (403) is fixedly connected with a pressing plate (404).
8. The switch with the circuit protection function according to claim 6, wherein the bottom of the inner side of the insulating shell (401) is fixedly connected with second conductive sheets (405), and the two second conductive sheets (405) are respectively electrically connected with the second end of the electromagnet (12) and the sliding conductive elastic sheet (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011317075.4A CN112117169B (en) | 2020-11-23 | 2020-11-23 | Switch with circuit protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011317075.4A CN112117169B (en) | 2020-11-23 | 2020-11-23 | Switch with circuit protection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112117169A true CN112117169A (en) | 2020-12-22 |
| CN112117169B CN112117169B (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011317075.4A Active CN112117169B (en) | 2020-11-23 | 2020-11-23 | Switch with circuit protection function |
Country Status (1)
| Country | Link |
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| CN (1) | CN112117169B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735928A (en) * | 2020-12-25 | 2021-04-30 | 宫二平 | Fuse for rotation type electric power protection |
| CN116092896A (en) * | 2023-03-14 | 2023-05-09 | 国网黑龙江省电力有限公司红兴隆供电分公司 | Fuse and fusing repair method |
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|---|---|---|---|---|
| DE102012208755A1 (en) * | 2012-05-24 | 2013-11-28 | Siemens Aktiengesellschaft | Fusible conductor arrangement for fuse insert of overcurrent protection device, has strip-shaped fusible conductors that are arranged rotationally around central axis of cylindrical housing wall of fuse insert |
| CN108648973A (en) * | 2018-08-06 | 2018-10-12 | 石卫祥 | A kind of open fuse being easily changed fusible core |
| CN110137052A (en) * | 2019-05-19 | 2019-08-16 | 张家霞 | A kind of circuit fuse protection method |
| CN111383868A (en) * | 2020-04-03 | 2020-07-07 | 建达电气有限公司 | Insulating easy maintenance formula fuse |
-
2020
- 2020-11-23 CN CN202011317075.4A patent/CN112117169B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012208755A1 (en) * | 2012-05-24 | 2013-11-28 | Siemens Aktiengesellschaft | Fusible conductor arrangement for fuse insert of overcurrent protection device, has strip-shaped fusible conductors that are arranged rotationally around central axis of cylindrical housing wall of fuse insert |
| CN108648973A (en) * | 2018-08-06 | 2018-10-12 | 石卫祥 | A kind of open fuse being easily changed fusible core |
| CN110137052A (en) * | 2019-05-19 | 2019-08-16 | 张家霞 | A kind of circuit fuse protection method |
| CN111383868A (en) * | 2020-04-03 | 2020-07-07 | 建达电气有限公司 | Insulating easy maintenance formula fuse |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735928A (en) * | 2020-12-25 | 2021-04-30 | 宫二平 | Fuse for rotation type electric power protection |
| CN112735928B (en) * | 2020-12-25 | 2022-12-09 | 广西电网有限责任公司梧州供电局 | Fuse for rotation type electric power protection |
| CN116092896A (en) * | 2023-03-14 | 2023-05-09 | 国网黑龙江省电力有限公司红兴隆供电分公司 | Fuse and fusing repair method |
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| Publication number | Publication date |
|---|---|
| CN112117169B (en) | 2021-04-30 |
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Effective date of registration: 20210415 Address after: 310000 No.58, Chunjian township industrial functional zone, Fuyang District, Hangzhou City, Zhejiang Province Applicant after: Hangzhou Bopu Electric Appliance Co.,Ltd. Address before: 210000 Wu Tonglin 5 building, Jiangning Development Zone, 58 Sheng Tai Road, Jiangning District, Nanjing, Jiangsu. Applicant before: Nanjing Aike sailante Environmental Protection Technology Co.,Ltd. |
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