CN113241289A - Distribution network automation safety switch - Google Patents
Distribution network automation safety switch Download PDFInfo
- Publication number
- CN113241289A CN113241289A CN202110564199.0A CN202110564199A CN113241289A CN 113241289 A CN113241289 A CN 113241289A CN 202110564199 A CN202110564199 A CN 202110564199A CN 113241289 A CN113241289 A CN 113241289A
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- rod
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- distribution network
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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
- H01H71/02—Housings; Casings; Bases; Mountings
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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
- H01H71/08—Terminals; Connections
-
- 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
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to the technical field of electric power, and discloses a distribution network automatic safety switch, which comprises a shell, wherein an electrode block is fixedly connected inside the shell, a movable rod is slidably connected inside the shell, a reset spring is fixedly connected outside the movable rod, a contact rod is hinged and connected outside the movable rod, a connecting spring is fixedly connected outside the contact rod, a stop block is movably connected outside the contact rod, a limit rod is movably connected outside the movable rod, the shell, the electrode block, the movable rod, the reset spring and the contact rod are matched for use, so that the effects of protecting the electrode block and the contact rod are achieved, the influence of moisture in the air on circuit connection is effectively avoided, electric shock or short-circuit accidents easily caused in a watery environment are avoided, the safety of a circuit is ensured, the normal operation of a distribution network is ensured, and the corrosion of a moist environment on an electrode contact is effectively avoided, thereby improving the service life of the equipment.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to an automatic safety switch for distribution network.
Background
The distribution network is also called as a distribution network, which is a power network that receives electric energy from a power transmission network or a regional power plant, distributes the electric energy to various users on site through distribution facilities or distributes the electric energy to various users step by step according to voltage, and consists of overhead lines, cables, towers, distribution transformers, isolating switches, reactive compensators, a plurality of accessory facilities and the like.
However, after the existing safety switch is operated to cut off the circuit breaker, the circuit breaker is easy to break down, if the circuit breaker is not cut off, electric arcs can appear when the isolating switch is cut off, if the electric arcs are large, mechanical damage or electric injury to operators can be caused, and the electrode connection parts of the existing safety switch are exposed in the air and are easily influenced by a damp environment, electric shock or short circuit accidents are easily caused in a watery environment, and the existing safety switch is very unsafe.
In order to solve the problems, the inventor provides a distribution network automation safety switch, which has the advantages of thorough circuit cut-off, simple operation, effective avoidance of risks such as circuit cut-off faults and electric arcs, effective guarantee of the physical safety of operators, sealing of electrode connection parts, effective avoidance of the influence of humid air on electrode connection, guarantee of the safety of circuits and the normal operation of distribution networks, short and rapid electrode connection process, effective reduction of the generation of electric arcs, protection of the safety of electric contact heads, and effective increase of the service life of equipment.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a distribution network automation safety switch comprises a shell, an electrode block, a movable rod, a reset spring, a feeler lever, a connecting spring, a stop block, a limit rod, a limit spring, a cylinder, a limit ejector rod, a connecting rod, a regulating block, a connecting ejector rod, a sector gear, a connecting gear, a ratchet ring, a ratchet shaft and a power gear.
The positions and the connection relations of the structures are as follows:
the utility model discloses a solar cell module, including casing, the inside fixedly connected with electrode block of casing, the inside sliding connection of casing has the movable rod, the outside fixedly connected with reset spring of movable rod, the articulated feeler lever that is connected with in outside of movable rod, the outside fixedly connected with coupling spring of feeler lever, the outside swing joint of feeler lever has the dog, the outside swing joint of movable rod has the gag lever post, the outside of gag lever post cup joints and is connected with spacing spring, the outside swing joint of gag lever post has the cylinder, the outside swing joint of gag lever post has spacing ejector pin, the inside sliding connection of spacing ejector pin has the connecting rod, the articulated regulating block that is connected with in outside of connecting rod.
The outer part of the movable rod is movably connected with a connecting ejector rod, the outer part of the connecting ejector rod is connected with a sector gear in a meshed mode, the outer part of the sector gear is fixedly connected with a connecting gear, the outer part of the connecting gear is connected with a ratchet ring in a meshed mode, the inner part of the ratchet ring is movably connected with a ratchet shaft, and the outer part of the ratchet ring is connected with a power gear in a meshed mode.
Preferably, the movable rod is provided with a connecting block, a bottom plate and a positioning rod, the connecting block is hinged to the contact rod, the bottom plate is fixedly connected with a reset spring, one end, far away from the bottom plate, of the reset spring is fixedly connected with the shell, and the positioning rod is movably connected with a limiting rod.
Preferably, feeler lever, coupling spring and dog all are provided with two, and two feeler levers articulate respectively and connect in the connecting block both sides that the movable rod set up, are provided with electrically conductive copper line between two feeler levers, and coupling spring links firmly between feeler lever and connecting block, two dogs respectively with two feeler lever swing joint, two dogs all articulate the inside at the casing.
Preferably, gag lever post swing joint is in the inside of casing, and the inside of gag lever post is provided with spacing spout, and the outside of cylinder is provided with the ejector pad, and ejector pad swing joint is in the inside of spacing spout, and cylinder and external control center electric connection.
Preferably, the limiting ejector rod, the connecting rod and the adjusting block are movably connected inside the shell, the adjusting rod is arranged outside the adjusting block and movably connected inside the shell and penetrates through the shell, and the rotating button is arranged at one end, located outside the shell, of the adjusting rod.
Preferably, the connecting ejector rod is connected inside the shell in a sliding mode, and racks are arranged on two sides of the connecting ejector rod.
Preferably, the number of the sector gears and the number of the connecting gears are two, the sector gears and the connecting gears are divided into two groups and fixedly connected with each other in a halving mode, the two groups of the sector gears are respectively meshed with two sides of the outer portion of the connecting ejector rod, and the two connecting gears are respectively meshed with two sides of the ratchet ring.
Preferably, the fixing rod is arranged inside the ratchet shaft, the fixing rod is movably arranged inside the shell and penetrates through the shell, the fixing knob is arranged at one end, located outside the shell, of the fixing rod, the pawl and the pawl spring are arranged outside the ratchet shaft, and the pawl is movably connected inside the ratchet ring.
Preferably, a control motor is arranged outside the power gear, electrically connected with the control power supply and electrically connected with the control center.
Advantageous effects
Compared with the prior art, the invention provides an automatic safety switch for distribution network, which has the following beneficial effects:
1. this distribution network automation safety switch uses through the cooperation of casing, electrode block, movable rod, reset spring and feeler lever to reach the effect of guard electrode block and feeler lever, effectively avoid the influence of the moist steam in the air to circuit connection, electric shock or short circuit accident that cause easily in avoiding the environment of diuresis, thereby guarantee the safety of circuit, guarantee the normal operating of distribution network, and effectively avoid the corruption of moist environment to electrode contact, thereby improve equipment's life.
2. This distribution network automation safety switch uses through the cooperation of movable rod, feeler lever, connecting spring and dog to avoid the slow condition of electrode block and feeler lever connection process, guarantee electrode block and feeler lever connection process rapidly, thereby avoid producing free electric arc between electrode block and the feeler lever, make electric arc cause the destruction to the electric contact head of electrode block and feeler lever, thereby protective apparatus's safety, improve equipment's life.
3. This distribution network automation safety switch, through the movable rod, reset spring, the gag lever post, spacing spring, the cylinder, spacing ejector pin, the connecting rod, the regulating block, connect the ejector pin, sector gear, connecting gear, the ratchet ring, the ratchet axle, power gear, thereby reach control center and the multiple mode of joining in marriage net on-off control of manual control, increase the variety that joins in marriage net on-off control, and easy operation, it is thorough effectively to guarantee the circuit and cut off, avoid the fault of cutting off, thereby avoid appearing electric arc, effectively guarantee operating personnel's health safety and join in marriage net safety.
Drawings
FIG. 1 is a schematic view of the overall connection of the structure of the present invention;
FIG. 2 is a schematic view of the overall connection of the structure of the present invention from the back;
FIG. 3 is a schematic view of the connection of a limiting rod, a limiting spring, a cylinder, a limiting ejector rod and a connecting rod of the structure of the invention;
fig. 4 is an enlarged view of the connection between the connection push rod, the sector gear, the connection gear, the ratchet ring, the ratchet shaft and the power gear in the portion a of the structure of fig. 2.
In the figure: 1. a housing; 2. an electrode block; 3. a movable rod; 4. a return spring; 5. a feeler lever; 6. a connecting spring; 7. a stopper; 8. a limiting rod; 9. a limiting spring; 10. a cylinder; 11. a limit ejector rod; 12. a connecting rod; 13. an adjusting block; 14. connecting a top rod; 15. a sector gear; 16. a connecting gear; 17. a ratchet ring; 18. a ratchet shaft; 19. a power gear.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-4, a distribution network automation safety switch includes a housing 1, an electrode block 2, a movable rod 3, a return spring 4, a feeler lever 5, a connecting spring 6, a stopper 7, a limit lever 8, a limit spring 9, a cylinder 10, a limit ejector rod 11, a connecting rod 12, an adjusting block 13, a connecting ejector rod 14, a sector gear 15, a connecting gear 16, a ratchet ring 17, a ratchet shaft 18, and a power gear 19.
The positions and the connection relations of the structures are as follows:
an electrode block 2 is fixedly connected inside a shell 1, a movable rod 3 is slidably connected inside the shell 1, the movable rod 3 is provided with a connecting block, a bottom plate and a positioning rod, the connecting block is hinged with a contact rod 5, the bottom plate is fixedly connected with a reset spring 4, one end of the reset spring 4, which is far away from the bottom plate, is fixedly connected with the shell 1, the positioning rod is movably connected with a limiting rod 8, a reset spring 4 is fixedly connected outside the movable rod 3, the contact rod 5 is hinged outside the movable rod 3, and the shell 1, the electrode block 2, the movable rod 3, the reset spring 4 and the contact rod 5 are matched for use, so that the effect of protecting the electrode block 2 and the contact rod 5 is achieved, the influence of moisture in the air on circuit connection is effectively avoided, electric shock or short-circuit accidents easily caused in a watery environment are avoided, the safety of a circuit is ensured, and the normal operation of a power distribution network is ensured, and effectively avoid the corrosion of the electrode contact caused by the humid environment, thereby prolonging the service life of the equipment, the connecting spring 6 is fixedly connected with the outside of the contact rod 5, the stop 7 is movably connected with the outside of the contact rod 5, the connecting spring 6 and the stop 7 are respectively provided with two, the two contact rods 5 are respectively hinged and connected with the two sides of the connecting block arranged on the movable rod 3, the conductive copper wire is arranged between the two contact rods 5, the connecting spring 6 is fixedly connected between the contact rod 5 and the connecting block, the two stop 7 are respectively movably connected with the two contact rods 5, the two stop 7 are both hinged and connected with the inside of the shell 1, and the movable rod 3, the contact rod 5, the connecting spring 6 and the stop 7 are matched for use, thereby avoiding the condition that the connecting process of the electrode block 2 and the contact rod 5 is slow, ensuring the connecting process of the electrode block 2 and the contact rod 5 to be rapid, thereby avoiding the generation of the free electric arc between the electrode block 2 and the contact rod 5, the electric arc damages the electric contact heads of the electrode block 2 and the contact rod 5, thereby protecting the safety of the equipment and prolonging the service life of the equipment.
The outer part of the movable rod 3 is movably connected with a limiting rod 8, the limiting rod 8 is movably connected with the inner part of the shell 1, a limiting chute is arranged in the limiting rod 8, a push block is arranged outside the cylinder 10, the push block is movably connected inside the limiting sliding chute, the cylinder 10 is electrically connected with an external control center, the outside of the limiting rod 8 is connected with a limiting spring 9 in a sleeved mode, the outside of the limiting rod 8 is movably connected with the cylinder 10, the outside of the limiting rod 8 is movably connected with a limiting ejector rod 11, the inside of the limiting ejector rod 11 is connected with a connecting rod 12 in a sliding mode, the outside of the connecting rod 12 is hinged with an adjusting block 13, the limiting ejector rod 11, the connecting rod 12 and the adjusting block 13 are movably connected inside the shell 1, and the outside of adjusting block 13 is provided with the regulation pole, adjusts the inside of pole swing joint at casing 1, and adjusts the pole and run through casing 1, adjusts the outside one end of pole and is provided with the knob that rotates of casing 1.
The outer part of the movable rod 3 is movably connected with a connecting ejector rod 14, the connecting ejector rod 14 is slidably connected inside the shell 1, racks are arranged on two sides of the connecting ejector rod 14, the outer part of the connecting ejector rod 14 is connected with a sector gear 15 in a meshed mode, the outer part of the sector gear 15 is fixedly connected with a connecting gear 16, two sector gears 15 and two connecting gears 16 are arranged, two groups of mutually fixed connections are divided equally, two groups of sector gears 15 are respectively connected on two sides of the outer part of the connecting ejector rod 14 in a meshed mode, the two connecting gears 16 are respectively connected on two sides of a ratchet ring 17 in a meshed mode, the outer part of the connecting gear 16 is connected with the ratchet ring 17 in a meshed mode, a ratchet shaft 18 is movably connected inside the ratchet shaft 17, a fixed rod is arranged inside the ratchet shaft 18 and moves inside the shell 1, the fixed rod penetrates through the shell 1, a fixed knob is, pawl swing joint is in the inside of ratchet ring 17, ratchet ring 17's outside meshing is connected with power gear 19, power gear 19's outside is provided with the control motor, control motor and control power electric connection, and control motor and control center electric connection, through movable rod 3, reset spring 4, gag lever post 8, spacing spring 9, cylinder 10, spacing ejector pin 11, connecting rod 12, regulating block 13, connecting ejector pin 14, sector gear 15, connecting gear 16, ratchet ring 17, ratchet shaft 18, power gear 19, thereby reach the mode of control center and the multiple distribution network on-off control of manual control, increase the variety of distribution network on-off control, and easy operation, effectively guarantee the circuit and cut off thoroughly, avoid cutting off the trouble, thereby avoid appearing electric arc, effectively guarantee operating personnel's health and distribution network safety.
The working process and principle are that when in use, because the connecting ejector rod 14 is connected inside the shell 1 in a sliding manner, racks are arranged on two sides of the connecting ejector rod 14, two fan-shaped gears 15 and two connecting gears 16 are arranged, two groups of fan-shaped gears 15 and two groups of connecting gears 16 are fixedly connected with each other in a bisecting manner, the two groups of fan-shaped gears 15 are respectively connected with two sides of the outer part of the connecting ejector rod 14 in a meshing manner, the two connecting gears 16 are respectively connected with two sides of the ratchet ring 17 in a meshing manner, a fixed rod is arranged inside the ratchet shaft 18 and is movably arranged inside the shell 1, the fixed rod penetrates through the shell 1, one end, positioned outside the shell 1, of the fixed rod is provided with a fixed knob, a pawl and a pawl spring are arranged outside the ratchet shaft 18, the pawl is movably connected inside the ratchet ring 17, the fixed rod is manually rotated to drive the ratchet, the sector gear 15 drives the connecting mandril 14 to slide in the shell 1, and the connecting mandril 14 completes one reciprocating motion through the fixed rod.
Because the connecting top rod 14 is movably connected with the movable rod 3, two contact rods 5, two connecting springs 6 and two stoppers 7 are arranged, the two contact rods 5 are respectively hinged on two sides of a connecting block arranged on the movable rod 3, a conductive copper wire is arranged between the two contact rods 5, the connecting spring 6 is fixedly connected between the contact rods 5 and the connecting block, the two stoppers 7 are respectively movably connected with the two contact rods 5, the two stoppers 7 are respectively hinged inside the shell 1, the limiting rod 8 is movably connected with the limiting spring 9, and the movable rod 3 is fixedly connected with the reset spring 4, when the connecting top rod 14 slides upwards, the connecting top rod 14 pushes the movable rod 3, so that the movable rod 3 compresses the reset spring 4 and slides upwards, meanwhile, the movable rod 3 drives the contact rods 5 to move upwards, and the contact rods 5 rotate under the action of the stoppers 7, and make feeler lever 5 tensile coupling spring 6, when the locating lever and the 8 joints of gag lever post that make the setting of movable rod 3, feeler lever 5 breaks away from dog 7, then feeler lever 5 contacts with electrode block 2 rapidly under coupling spring 6's effect to when effectively shortening electrode block 2 and feeler lever 5's connection, avoid the production of electric arc, the stability of contact lever 5 and the 2 contact connection of electrode block is guaranteed to locating lever and 8 joints of gag lever post simultaneously, thereby accomplish the connection operation of circuit.
And when the circuit needs to be cut off, because the limit mandril 11, the connecting rod 12 and the adjusting block 13 are movably connected in the shell 1, and the adjusting rod is arranged outside the adjusting block 13 and movably connected inside the shell 1, the adjusting rod penetrates through the shell 1, one end of the adjusting rod, which is positioned outside the shell 1, is provided with a rotating button, a limiting ejector rod 11 is movably connected with a limiting rod 8, therefore, the adjusting rod is rotated manually to drive the adjusting block 13 to rotate, the adjusting block 13 rotates to drive the connecting rod 12 to move, the connecting rod 12 pushes the limiting ejector rod 11 to slide in the shell 1, the limiting ejector rod 11 pushes the limiting rod 8, so that the limiting rod 8 compresses the limiting spring 9, and the limit rod 8 is separated from the limit movable rod 3, the movable rod 3 moves downwards under the action of the return spring 4, therefore, the circuit is thoroughly cut off, the generation of electric arcs is avoided, and the safety of operators and the circuit is effectively ensured.
Meanwhile, the ratchet ring 17 is meshed with the power gear 19, the control motor is arranged outside the power gear 19 and is electrically connected with the control power supply, the control motor is electrically connected with the control center, the limiting chute is formed in the limiting rod 8, the push block is arranged outside the cylinder 10 and is movably connected inside the limiting chute, and the cylinder 10 is electrically connected with the external control center, so that the power gear 19 can be controlled to rotate through the control center and pushed by the cylinder 10, connection and disconnection of the contact rod 5 and the electrode block 2 can be conveniently controlled in the same way, the diversified control effect is achieved, the control operation mode is effectively increased, single operation is avoided, and the applicability of equipment is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a distribution network automation safety switch, includes casing (1), its characterized in that: an electrode block (2) is fixedly connected inside the shell (1), a movable rod (3) is connected inside the shell (1) in a sliding manner, the outside of the movable rod (3) is fixedly connected with a return spring (4), the outside of the movable rod (3) is hinged with a feeler lever (5), a connecting spring (6) is fixedly connected to the outside of the feeler lever (5), a stop block (7) is movably connected to the outside of the feeler lever (5), the outside of the movable rod (3) is movably connected with a limiting rod (8), the outside of the limiting rod (8) is sleeved and connected with a limiting spring (9), the outside of the limiting rod (8) is movably connected with an air cylinder (10), the outside of the limiting rod (8) is movably connected with a limiting ejector rod (11), the inner part of the limiting ejector rod (11) is connected with a connecting rod (12) in a sliding manner, and the outer part of the connecting rod (12) is hinged with an adjusting block (13);
the outer part of the movable rod (3) is movably connected with a connecting ejector rod (14), the outer part of the connecting ejector rod (14) is connected with a sector gear (15) in a meshed mode, the outer part of the sector gear (15) is fixedly connected with a connecting gear (16), the outer part of the connecting gear (16) is connected with a ratchet ring (17) in a meshed mode, the inner part of the ratchet ring (17) is movably connected with a ratchet shaft (18), and the outer part of the ratchet ring (17) is connected with a power gear (19) in a meshed mode.
2. The distribution network automation safety switch of claim 1, wherein: the movable rod (3) is provided with a connecting block, a bottom plate and a positioning rod, the connecting block is hinged to the contact rod (5), the bottom plate is fixedly connected with a reset spring (4), one end, far away from the bottom plate, of the reset spring (4) is fixedly connected with the shell (1), and the positioning rod is movably connected with a limiting rod (8).
3. The distribution network automation safety switch of claim 1, wherein: feeler lever (5), connecting spring (6) and dog (7) all are provided with two, and two feeler levers (5) articulate respectively and connect the connecting block both sides that movable rod (3) set up, are provided with electrically conductive copper line between two feeler levers (5), and connecting spring (6) links firmly between feeler lever (5) and connecting block, two dog (7) respectively with two feeler lever (5) swing joint, and two dog (7) are all articulated to be connected in the inside of casing (1).
4. The distribution network automation safety switch of claim 1, wherein: gag lever post (8) swing joint is in the inside of casing (1), and the inside of gag lever post (8) is provided with spacing spout, and the outside of cylinder (10) is provided with the ejector pad, and ejector pad swing joint is in the inside of spacing spout, and cylinder (10) and external control center electric connection.
5. The distribution network automation safety switch of claim 1, wherein: the limiting ejector rod (11), the connecting rod (12) and the adjusting block (13) are movably connected inside the shell (1), the adjusting rod is arranged outside the adjusting block (13), the adjusting rod is movably connected inside the shell (1) and penetrates through the shell (1), and the rotating button is arranged at one end, located outside the shell (1), of the adjusting rod.
6. The distribution network automation safety switch of claim 1, wherein: the connecting ejector rod (14) is connected inside the shell (1) in a sliding mode, and racks are arranged on two sides of the connecting ejector rod (14).
7. The distribution network automation safety switch of claim 1, wherein: the two fan-shaped gears (15) and the two connecting gears (16) are respectively arranged and are divided into two groups which are fixedly connected with each other in a halving mode, the two groups of fan-shaped gears (15) are respectively meshed with the two sides of the outer portion of the connecting ejector rod (14), and the two connecting gears (16) are respectively meshed with the two sides of the ratchet ring (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110564199.0A CN113241289B (en) | 2021-05-24 | 2021-05-24 | Distribution network automation safety switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110564199.0A CN113241289B (en) | 2021-05-24 | 2021-05-24 | Distribution network automation safety switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113241289A true CN113241289A (en) | 2021-08-10 |
| CN113241289B CN113241289B (en) | 2022-09-30 |
Family
ID=77138381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110564199.0A Active CN113241289B (en) | 2021-05-24 | 2021-05-24 | Distribution network automation safety switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113241289B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116759893A (en) * | 2023-05-24 | 2023-09-15 | 南方电网调峰调频发电有限公司工程建设管理分公司 | Safety grounding device for distribution box |
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| US20150325386A1 (en) * | 2012-11-28 | 2015-11-12 | Alstom Technology Ltd | Control device of the spring type particularly for a high-voltage or medium-voltage circuit breaker or switch |
| CN206947214U (en) * | 2017-07-03 | 2018-01-30 | 天津市至上电器有限公司 | A kind of multistage push switch |
| US20190330032A1 (en) * | 2018-04-26 | 2019-10-31 | Schneider Electric Industries Sas | Effort transmission module |
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| CN111463620A (en) * | 2020-04-23 | 2020-07-28 | 杭州芷盛网络科技有限公司 | Self-fixing socket utilizing ratchet wheel positioning principle |
| CN211265292U (en) * | 2019-12-16 | 2020-08-14 | 宝应电器厂 | Sealed switch for power distribution control equipment |
| CN111584314A (en) * | 2020-05-12 | 2020-08-25 | 湖州南浔上福线缆有限公司 | Drop-out power protection device based on thermal bimetallic strip principle |
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2021
- 2021-05-24 CN CN202110564199.0A patent/CN113241289B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB214010A (en) * | 1923-01-24 | 1924-04-17 | Electro Mechanical Brake Compa | Improvements in and relating to electric controllers |
| US20150325386A1 (en) * | 2012-11-28 | 2015-11-12 | Alstom Technology Ltd | Control device of the spring type particularly for a high-voltage or medium-voltage circuit breaker or switch |
| CN206947214U (en) * | 2017-07-03 | 2018-01-30 | 天津市至上电器有限公司 | A kind of multistage push switch |
| US20190330032A1 (en) * | 2018-04-26 | 2019-10-31 | Schneider Electric Industries Sas | Effort transmission module |
| CN110853992A (en) * | 2019-11-21 | 2020-02-28 | 杭州乾龙电器有限公司 | Sliding clutch type electric operating mechanism |
| CN211265292U (en) * | 2019-12-16 | 2020-08-14 | 宝应电器厂 | Sealed switch for power distribution control equipment |
| CN111463620A (en) * | 2020-04-23 | 2020-07-28 | 杭州芷盛网络科技有限公司 | Self-fixing socket utilizing ratchet wheel positioning principle |
| CN111584314A (en) * | 2020-05-12 | 2020-08-25 | 湖州南浔上福线缆有限公司 | Drop-out power protection device based on thermal bimetallic strip principle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116759893A (en) * | 2023-05-24 | 2023-09-15 | 南方电网调峰调频发电有限公司工程建设管理分公司 | Safety grounding device for distribution box |
| CN116759893B (en) * | 2023-05-24 | 2024-02-06 | 南方电网调峰调频发电有限公司工程建设管理分公司 | Safety grounding device for distribution box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113241289B (en) | 2022-09-30 |
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