CN116313671A - Emergency cut-off protection device for electric power engineering - Google Patents
Emergency cut-off protection device for electric power engineering Download PDFInfo
- Publication number
- CN116313671A CN116313671A CN202310564494.5A CN202310564494A CN116313671A CN 116313671 A CN116313671 A CN 116313671A CN 202310564494 A CN202310564494 A CN 202310564494A CN 116313671 A CN116313671 A CN 116313671A
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- binding post
- rod
- switch
- magnet block
- auxiliary
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/66—Power reset mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to the technical field of power-off protection, and provides an emergency cut-off protection device for electric power engineering, which comprises a shell assembly, a main binding post, an auxiliary binding post, a switch assembly, an expansion piece and a pressure sensor, wherein the shell assembly comprises a switch protection shell and a sealing shell, the expansion piece and the pressure sensor are arranged in the sealing shell, two ends of a conducting rod in the switch assembly are respectively contacted with the main binding post and the auxiliary binding post, a limiting hole is formed above a hard insulating sleeve, a bearing plate is connected below the hard insulating sleeve through a first connecting rod, a first reset spring is movably sleeved on the surface of the first connecting rod, an electromagnet in a safety mechanism is electrically connected with the main binding post through an electric control switch, the pressure sensor is in communication connection with the electric control switch, one end of the limiting rod is provided with a third magnet block, the electromagnet is magnetically connected with the third magnet block, one end of the limiting rod, which is far away from the third magnet block, is in plug-in connection with the limiting hole, and the emergency cut-off protection device has the characteristic of good safety protection effect.
Description
Technical Field
The invention relates to the technical field of power-off protection, in particular to an emergency cut-off protection device for electric power engineering.
Background
Electric power engineering, i.e. engineering related to the production, transportation and distribution of electric energy, also broadly includes engineering that uses electricity as power and energy in various fields, while it is understood that power transmission and transformation industry extends engineering.
The existing power engineering emergency cut-off protection device generally protects a circuit by utilizing the principle that a circuit load is overheated to drive a switch to be opened, a worker can repair the circuit by utilizing the principle that the circuit is overheated, after the circuit is repaired, the circuit is automatically electrified, but during the process of repairing the circuit, the switch is easily closed again due to false touch by the worker after the switch is opened in the operation process, on the other hand, the temperature around the circuit is reduced due to the fact that the temperature around the circuit is reduced after the circuit is opened, and the switch is automatically closed after the temperature around the circuit is reduced generally.
Disclosure of Invention
In order to achieve the above purpose, the invention provides an emergency cut-off protection device for electric power engineering, which comprises a shell assembly, a main binding post, an auxiliary binding post, a switch assembly, an expansion piece and a pressure sensor, wherein the shell assembly comprises a switch protection shell and a sealing shell, the sealing shell is arranged below the switch protection shell, the main binding post and the auxiliary binding post are arranged in the switch protection shell, the main binding post and the auxiliary binding post are respectively connected with a main electric wire and an auxiliary electric wire, the expansion piece and the pressure sensor are arranged in the sealing shell, and the auxiliary electric wire penetrates through the sealing shell;
the switch assembly comprises a conducting rod, a hard insulating sleeve, a first connecting rod, a bearing plate and a first reset spring, wherein the hard insulating sleeve is fixedly sleeved on the surface of the conducting rod, two ends of the conducting rod are respectively in contact with a main binding post and an auxiliary binding post, a limiting hole is formed in the upper portion of the hard insulating sleeve, the bearing plate is connected to the lower portion of the hard insulating sleeve through the first connecting rod, the bearing plate is located in a sealing shell, the first reset spring is connected between the hard insulating sleeve and a switch protection shell, and the first reset spring is movably sleeved on the surface of the first connecting rod;
the switch protection shell is characterized in that a safety mechanism is further arranged in the switch protection shell, the safety mechanism comprises an electromagnet, an electric control switch, a limiting rod, a third magnet block and a second reset spring, the electromagnet is electrically connected with the main wiring terminal through the electric control switch, the pressure sensor is in communication connection with the electric control switch, the third magnet block is arranged at one end of the limiting rod, the electromagnet is magnetically connected with the third magnet block, the second reset spring is movably sleeved on the surface of the limiting rod, and one end, far away from the third magnet block, of the limiting rod is connected with the limiting hole in an inserting mode.
As a further scheme of the invention, a first magnet block is arranged at the bottom of the switch protection shell, a second magnet block is arranged on the lower surface of the hard insulating sleeve, when the expansion piece is expanded by heating, two ends of the conducting rod are separated from the main binding post and the auxiliary binding post respectively, the first magnet block is separated from the second magnet block, and when the expansion piece is contracted, two ends of the conducting rod are contacted with the main binding post and the auxiliary binding post respectively, and the first magnet block is contacted with the second magnet block.
As a further scheme of the invention, the upper surface of the hard insulating sleeve is fixedly connected with a fixed block, the limiting hole is formed in the surface of the fixed block, the end part of the limiting rod is fixedly connected with an end cover plate, the third magnet block is arranged on the surface of the end cover plate, the inner wall of the switch protection shell is fixedly connected with a bracket, and the limiting rod is movably connected on the surface of the bracket.
As a further scheme of the invention, the upper surface of the hard insulating sleeve is fixedly connected with a pull rod through a second connecting rod, the pull rod is exposed out of the upper surface of the switch protection shell, and the second connecting rod is in sliding connection with the upper surface of the switch protection shell.
As a further scheme of the invention, the shell assembly further comprises a bottom bracket, the switch protection shell and the sealing shell are both arranged on the upper surface of the bottom bracket, the upper surface of the bottom bracket is also provided with a control module and a signal receiving module, the pressure sensor is in communication connection with the control module, the control module is in communication connection with an electric control switch, the signal receiving end of the signal receiving module is in communication connection with a mobile phone APP or a remote computer, the signal output end of the signal receiving module is in communication connection with the electric control switch, and the electric control switch is connected with a main binding post through a connecting wire.
As a further scheme of the invention, a heat conduction pipe is fixedly arranged in the sealing shell, the expansion piece is sleeved on the surface of the heat conduction pipe, and the auxiliary electric conduction wire penetrates through the heat conduction pipe.
As a further scheme of the invention, the two ends of the conductive rod are fixedly connected with the sleeve and the conductive block, the sleeve is made of insulating materials, the conductive block is arranged on the surface of the conductive rod, the conductive block is positioned in the sleeve, and the two sleeves are respectively sleeved on the surfaces of the main binding post and the auxiliary binding post.
The beneficial effects of the invention are that: when the overload heating of the auxiliary conducting wire leads to the disconnection of the two ends of the conducting rod with the main binding post and the auxiliary binding post respectively, the expansion piece with the enlarged volume after being heated can squeeze the pressure sensor, the pressure sensor can power off the electromagnet through the electric control switch, and the elastic force of the second reset spring drives the limiting rod to be inserted into the limiting hole on the surface of the fixed block, so that the conducting rod is prevented from falling back and being electrified due to the cooling shrinkage of the expansion piece in the maintenance process, and maintenance personnel are prevented from electric shock in the maintenance process, and the electric shock device has the characteristic of good safety protection effect.
Drawings
Fig. 1 is a schematic plan view of a housing assembly according to an embodiment of the invention.
Fig. 2 is a schematic plan view of a switch assembly according to an embodiment of the invention.
Fig. 3 is a perspective view of a switch assembly according to an embodiment of the present invention.
Fig. 4 is a schematic plan view of a protection mechanism according to an embodiment of the present invention.
Fig. 5 is a first schematic plan view of an emergency shutdown protection device for electric power engineering according to an embodiment of the present invention.
Fig. 6 is a schematic plan view of a power engineering emergency shutdown protection device according to an embodiment of the present invention.
Fig. 7 is an enlarged view of a portion of fig. 5 a in accordance with the present invention.
Reference numerals: 1-housing assembly, 11-bottom bracket, 12-switch protection housing, 13-seal housing, 14-first magnet piece, 15-heat pipe, 2-main terminal, 21-main wire, 3-auxiliary terminal, 31-auxiliary wire, 4-switch assembly, 41-conducting rod, 42-sleeve, 421-conducting piece, 43-hard insulating sleeve, 431-fixed block, 4311-spacing hole, 432-second magnet piece, 44-first connecting rod, 45-bearing plate, 46-first return spring, 47-second connecting rod, 48-pull rod, 5-safety mechanism, 51-electromagnet, 52-electric control switch, 53-connecting wire, 54-spacing rod, 55-end cover plate, 56-third magnet piece, 57-second return spring, 6-expansion piece, 7-pressure sensor, 8-control module, 9-signal receiving module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Referring to fig. 1 to 7, an emergency cut-off protection device for electric power engineering provided by the embodiment of the invention comprises a housing assembly 1, a main binding post 2, an auxiliary binding post 3, a switch assembly 4, an expansion piece 6 and a pressure sensor 7, wherein the housing assembly 1 comprises a switch protection housing 12 and a seal housing 13, the seal housing 13 is arranged below the switch protection housing 12, the main binding post 2 and the auxiliary binding post 3 are arranged in the switch protection housing 12, the main binding post 2 and the auxiliary binding post 3 are respectively connected with a main electric wire 21 and an auxiliary electric wire 31, the expansion piece 6 and the pressure sensor 7 are arranged in the seal housing 13, and the auxiliary electric wire 31 penetrates through the seal housing 13;
the switch assembly 4 comprises a conductive rod 41, a hard insulating sleeve 43, a first connecting rod 44, a bearing plate 45 and a first reset spring 46, wherein the hard insulating sleeve 43 is fixedly sleeved on the surface of the conductive rod 41, two ends of the conductive rod 41 are respectively contacted with the main binding post 2 and the auxiliary binding post 3, a limiting hole 4311 is formed in the upper side of the hard insulating sleeve 43, the bearing plate 45 is connected to the lower side of the hard insulating sleeve 43 through the first connecting rod 44, the bearing plate 45 is positioned in the sealed shell 13, the first reset spring 46 is connected between the hard insulating sleeve 43 and the switch protection shell 12, and the first reset spring 46 is movably sleeved on the surface of the first connecting rod 44;
the switch protection shell 12 is internally provided with a safety mechanism 5, the safety mechanism 5 comprises an electromagnet 51, an electric control switch 52, a limiting rod 54, a third magnet block 56 and a second reset spring 57, the electromagnet 51 is electrically connected with the main binding post 2 through the electric control switch 52, the pressure sensor 7 is in communication connection with the electric control switch 52, one end of the limiting rod 54 is provided with the third magnet block 56, the electromagnet 51 is magnetically connected with the third magnet block 56, the second reset spring 57 is movably sleeved on the surface of the limiting rod 54, and one end, far away from the third magnet block 56, of the limiting rod 54 is connected with a limiting hole 4311 in an inserting mode.
Further, the upper surface of the hard insulating sleeve 43 is fixedly connected with a fixing block 431, the limiting hole 4311 is formed in the surface of the fixing block 431, the end part of the limiting rod 54 is fixedly connected with an end cover plate 55, the third magnet block 56 is arranged on the surface of the end cover plate 55, the inner wall of the switch protection shell 12 is fixedly connected with a bracket, and the limiting rod 54 is movably connected on the surface of the bracket.
Further, the shell assembly 1 further comprises a bottom bracket 11, the switch protection shell 12 and the sealing shell 13 are both installed on the upper surface of the bottom bracket 11, the upper surface of the bottom bracket 11 is further provided with a control module 8 and a signal receiving module 9, the pressure sensor 7 is in communication connection with the control module 8, the control module 8 is in communication connection with an electric control switch 52, the signal receiving end of the signal receiving module 9 is in communication connection with a mobile phone APP or a remote computer, the signal output end of the signal receiving module 9 is in communication connection with the electric control switch 52, and the electric control switch 52 is connected with the main binding post 2 through a connecting wire 53.
Further, the sleeve 42 and the conductive block 421 are fixedly connected to two ends of the conductive rod 41, the sleeve 42 is made of an insulating material, the conductive block 421 is arranged on the surface of the conductive rod 41, the conductive block 421 is located in the sleeve 42, the two sleeves 42 are respectively sleeved on the surfaces of the main binding post 2 and the auxiliary binding post 3, after the sleeves 42 are sleeved on the surfaces of the main binding post 2 and the auxiliary binding post 3, the effect of protecting the conductive block 421, the main binding post 2 and the auxiliary binding post 3 can be achieved, dust is prevented from entering between the conductive block 421 and the main binding post 2 or between the conductive block 421 and the auxiliary binding post 3, and the current is enabled to be stable, so that the current is conducted from the main conductive wire 21, the main binding post 2, the conductive rod 41, the conductive block 421 and the auxiliary binding post 3 to the auxiliary conductive wire 31.
In the embodiment of the invention, when the two ends of the conducting rod 41 are disconnected from the main binding post 2 and the auxiliary binding post 3 respectively due to overload heating of the auxiliary conducting wire 31, the expansion piece 6 with the enlarged heated volume can squeeze the pressure sensor 7, the pressure sensor 7 cuts off the power of the electromagnet 51 through the electric control switch 52, and the elastic force of the second reset spring 57 drives the limiting rod 54 to be inserted into the limiting hole 4311 on the surface of the fixed block 431, so that the conducting rod 41 is prevented from falling and electrifying due to cooling and shrinkage of the expansion piece 6 in the maintenance process, electric shock of maintenance personnel in the maintenance process is prevented, and the safety protection effect is good.
Referring to fig. 1 to 6, in one embodiment of the present invention, a first magnet block 14 is disposed at the bottom of the switch protection housing 12, a second magnet block 432 is disposed on the lower surface of the rigid insulation sleeve 43, when the expansion member 6 is expanded by heat, two ends of the conductive rod 41 are separated from the main terminal 2 and the auxiliary terminal 3, the first magnet block 14 and the second magnet block 432 are separated, and when the expansion member 6 is contracted, two ends of the conductive rod 41 are contacted with the main terminal 2 and the auxiliary terminal 3, and the first magnet block 14 and the second magnet block 432 are contacted.
In the embodiment of the invention, when the expansion piece 6 after cooling and shrinking loses the pressure on the pressure bearing plate 45, the elastic force of the first reset spring 46 drives the conductive rod 41 to fall back, and the second magnet piece 432 and the first magnet piece 14 are attached together by magnetic attraction, so that the conductive pieces 421 at the two ends of the conductive rod 41 are prevented from being separated from the main binding post 2 and the auxiliary binding post 3 due to vibration, and finally, the current can be stably conducted from the main conductive wire 21, the main binding post 2, the conductive rod 41, the conductive pieces 421 and the auxiliary binding post 3 to the auxiliary conductive wire 31.
Referring to fig. 1 to 6, in an embodiment of the invention, the upper surface of the hard insulating sleeve 43 is further fixedly connected with a pull rod 48 through a second connecting rod 47, the pull rod 48 is exposed on the upper surface of the switch protecting housing 12, and the second connecting rod 47 is slidably connected with the upper surface of the switch protecting housing 12.
In the embodiment of the invention, a user can separate the conductive blocks 421 at two ends of the conductive rod 41 from the main binding post 2 and the auxiliary binding post 3 respectively by manually pulling the pull rod 48 upwards, so that the manual power-off function is realized.
Referring to fig. 1 to 6, in an embodiment of the present invention, a heat pipe 15 is fixedly installed in the sealed housing 13, the expansion member 6 is sleeved on the surface of the heat pipe 15, and the auxiliary conductive wire 31 penetrates through the heat pipe 15.
In the embodiment of the present invention, the heat conducting tube 15 is made of a metal material with good heat conductivity, and when the auxiliary conductive wire 31 dissipates heat due to overload, the heat conducting tube 15 can uniformly and rapidly transfer heat to the expansion member 6, the expansion member 6 is a thermal expansion material ring, and the expansion member 6 which transfers heat from the center to the periphery can uniformly expand outwards.
Working principle: when the conductive blocks 421 at the two ends of the conductive rod 41 are respectively contacted with the main binding post 2 and the auxiliary binding post 3, current can be conducted from the main conductive wire 21, the main binding post 2, the conductive rod 41, the conductive block 421 and the auxiliary binding post 3 to the auxiliary conductive wire 31, the auxiliary conductive wire 31 is connected with electric equipment, when the electric equipment is overloaded and heats up, heat can be transferred from the surface of the heat conducting tube 15 to the expansion piece 6, the heated expansion volume of the expansion piece 6 is increased, the expansion piece 6 after the volume is increased drives the first connecting rod 44 and the conductive rod 41 to move upwards by a certain distance through the pressure bearing plate 45, so that the conductive blocks 421 at the two ends of the conductive rod 41 are respectively separated from the main binding post 2 and the auxiliary binding post 3, at the moment, the auxiliary conductive wire 31 and the electric equipment are in a power-off state, the situation that the auxiliary conductive wire 31 is spontaneously ignited or damaged due to overload is prevented, the fact that the enlarged expansion piece 6 can squeeze the pressure sensor 7, the signal is transferred to the electric control switch 52 through the control module 8 by the pressure sensor 7, the electric control switch 52 which receives the signal cuts off the connecting conductive wire 53, the electromagnet 51 after the power is lost, the adsorption force of the third magnet 56 is driven by the electromagnet 431, the second reset wire is inserted into the elastic reset rod 431 after the power receiving the signal, the electric control rod is well, the electric protection effect is prevented from being inserted into the electric wire 43, and the electric protection device is well, and the electric protection device is protected in the safety protection process, and the repair device is protected, and the safety stop of the electric protection device is protected, and the electric protection device is protected by the electric wire, and the electric device is replaced by the electric rod;
after the maintenance is finished, the staff can send signals to the signal receiving module 9 through the mobile phone APP or the remote computer, the signal receiving module 9 sends the signals to the electric control switch 52, so that the electric control switch 52 is turned on, after the electromagnet 51 is electrified, the magnetic attraction between the electrified electromagnet 51 and the third magnet block 56 drives the limiting rod 54 to separate from the limiting hole 4311, at the moment, after the expansion piece 6 subjected to cooling shrinkage loses the pressure to the bearing plate 45, the elastic force of the first reset spring 46 drives the conducting rod 41 to fall back, the second magnet block 432 and the first magnet block 14 are attached together due to the magnetic attraction, the conducting blocks 421 at the two ends of the conducting rod 41 are prevented from separating from the main binding post 2 and the auxiliary binding post 3 due to vibration, and finally, the current can be stably conducted from the main conducting wire 21, the main binding post 2, the conducting rod 41, the conducting blocks 421 and the auxiliary binding post 3 to the auxiliary conducting wire 31.
It will be apparent to those skilled in the art that although several embodiments and examples of the present invention have been described, these embodiments and examples are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other modes, and various omissions, substitutions, and changes can be made without departing from the spirit of the invention.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides an emergency cut-off protection device for electric power engineering, includes casing assembly, main terminal, auxiliary terminal, switch assembly, expansion piece and pressure sensor, its characterized in that, the casing assembly includes switch protection casing and sealed casing, sealed casing sets up in switch protection casing below, main terminal and auxiliary terminal are installed in the switch protection casing, main terminal and auxiliary terminal are connected with leading electric wire and auxiliary conductor respectively, expansion piece and pressure sensor set up in sealed casing, auxiliary conductor runs through sealed casing;
the switch assembly comprises a conducting rod, a hard insulating sleeve, a first connecting rod, a bearing plate and a first reset spring, wherein the hard insulating sleeve is fixedly sleeved on the surface of the conducting rod, two ends of the conducting rod are respectively in contact with a main binding post and an auxiliary binding post, a limiting hole is formed in the upper portion of the hard insulating sleeve, the bearing plate is connected to the lower portion of the hard insulating sleeve through the first connecting rod, the bearing plate is located in a sealing shell, the first reset spring is connected between the hard insulating sleeve and a switch protection shell, and the first reset spring is movably sleeved on the surface of the first connecting rod;
the switch protection shell is characterized in that a safety mechanism is further arranged in the switch protection shell, the safety mechanism comprises an electromagnet, an electric control switch, a limiting rod, a third magnet block and a second reset spring, the electromagnet is electrically connected with the main wiring terminal through the electric control switch, the pressure sensor is in communication connection with the electric control switch, the third magnet block is arranged at one end of the limiting rod, the electromagnet is magnetically connected with the third magnet block, the second reset spring is movably sleeved on the surface of the limiting rod, and one end, far away from the third magnet block, of the limiting rod is connected with the limiting hole in an inserting mode.
2. The emergency cut-off protection device for electric power engineering according to claim 1, wherein a first magnet block is arranged at the bottom of the switch protection shell, a second magnet block is arranged on the lower surface of the hard insulating sleeve, when the expansion piece is expanded by heating, two ends of the conducting rod are separated from the main binding post and the auxiliary binding post respectively, the first magnet block is separated from the second magnet block, when the expansion piece is contracted, two ends of the conducting rod are contacted with the main binding post and the auxiliary binding post respectively, and the first magnet block is contacted with the second magnet block.
3. The emergency cutting-off protection device for the electric power engineering according to claim 2, wherein a fixed block is fixedly connected to the upper surface of the hard insulating sleeve, the limiting hole is formed in the surface of the fixed block, an end cover plate is fixedly connected to the end part of the limiting rod, the third magnet block is arranged on the surface of the end cover plate, a support is fixedly connected to the inner wall of the switch protection shell, and the limiting rod is movably connected to the surface of the support.
4. The emergency cut-off protection device for electric power engineering according to claim 3, wherein the upper surface of the rigid insulating sleeve is fixedly connected with a pull rod through a second connecting rod, the pull rod is exposed out of the upper surface of the switch protection shell, and the second connecting rod is slidably connected with the upper surface of the switch protection shell.
5. The emergency cut-off protection device for electric power engineering according to claim 1, wherein the housing assembly further comprises a bottom bracket, the switch protection housing and the sealing housing are both installed on the upper surface of the bottom bracket, the upper surface of the bottom bracket is further provided with a control module and a signal receiving module, the pressure sensor is in communication connection with the control module, the control module is in communication connection with an electric control switch, the signal receiving end of the signal receiving module is in communication connection with a mobile phone APP or a remote computer, the signal output end of the signal receiving module is in communication connection with the electric control switch, and the electric control switch is connected with a main binding post through a connecting wire.
6. The emergency cut-off protection device for electric power engineering according to claim 1, wherein the heat conducting pipe is fixedly installed in the sealing shell, the expansion piece is sleeved on the surface of the heat conducting pipe, and the auxiliary electric conducting wire penetrates through the heat conducting pipe.
7. The emergency cut-off protection device for electric power engineering according to claim 1, wherein the two ends of the conducting rod are fixedly connected with a sleeve and a conducting block, the sleeve is made of an insulating material, the conducting block is arranged on the surface of the conducting rod, the conducting block is arranged in the sleeve, and the two sleeves are respectively sleeved on the surfaces of the main binding post and the auxiliary binding post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310564494.5A CN116313671B (en) | 2023-05-19 | 2023-05-19 | Emergency cut-off protection device for electric power engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310564494.5A CN116313671B (en) | 2023-05-19 | 2023-05-19 | Emergency cut-off protection device for electric power engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116313671A true CN116313671A (en) | 2023-06-23 |
| CN116313671B CN116313671B (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310564494.5A Active CN116313671B (en) | 2023-05-19 | 2023-05-19 | Emergency cut-off protection device for electric power engineering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117457459A (en) * | 2023-12-25 | 2024-01-26 | 江苏中奕和创智能科技有限公司 | Emergency operation switch of generator set |
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| CN114121557A (en) * | 2022-01-27 | 2022-03-01 | 东莞市元则电器有限公司 | Arc-free high-performance relay with adjustable natural on-off state and use method thereof |
| CN114783830A (en) * | 2022-03-31 | 2022-07-22 | 赖怡晴 | Electromagnetic trigger type relay |
| CN115938875A (en) * | 2023-03-13 | 2023-04-07 | 江苏北高电气科技有限公司 | Emergency cut-off device for circuit protection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117457459A (en) * | 2023-12-25 | 2024-01-26 | 江苏中奕和创智能科技有限公司 | Emergency operation switch of generator set |
| CN117457459B (en) * | 2023-12-25 | 2024-03-08 | 江苏中奕和创智能科技有限公司 | Emergency operation switch of generator set |
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| CN116313671B (en) | 2023-07-25 |
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