CN112908747B - Intelligent novel relay protection tripping outlet pressing plate capable of preventing accidental switching - Google Patents
Intelligent novel relay protection tripping outlet pressing plate capable of preventing accidental switching Download PDFInfo
- Publication number
- CN112908747B CN112908747B CN202011255153.2A CN202011255153A CN112908747B CN 112908747 B CN112908747 B CN 112908747B CN 202011255153 A CN202011255153 A CN 202011255153A CN 112908747 B CN112908747 B CN 112908747B
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- hole
- rotating shaft
- shaft
- pressing plate
- withdrawing
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3275—Fault detection or status indication
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
Abstract
An intelligent anti-mis-throw novel relay protection tripping outlet pressing plate comprises a pressing plate body, wherein a shaft hole is formed in the middle of the pressing plate body, a pressing plate connecting plate is hinged in the shaft hole through a rotating shaft, downward pressing plate connecting plate conductor columns are arranged at two ends of the pressing plate connecting plate, pressing plate throwing holes and pressing plate withdrawing holes are symmetrically formed in two ends of the pressing plate body corresponding to the shaft hole, a throwing hole conductor surface is embedded in each pressing plate throwing hole, and the throwing hole conductor surface is electrically connected with a control device through a conductor channel; the pressing plate withdrawing hole is internally embedded with a withdrawing hole upper conductor surface and a withdrawing hole bottom conductor surface, the withdrawing hole upper conductor surface and the withdrawing hole bottom conductor surface are respectively electrically connected with the controller, a spring switch corresponding to the withdrawing hole bottom conductor surface is arranged between the withdrawing hole upper conductor surface and the through hole bottom conductor surface, an electromagnetic lock is arranged between the rotating shaft and the withdrawing hole bottom conductor surface, and the electromagnetic lock is electrically connected with the control device. The device can automatically lock the pressing plate in the quitting state and then throw the pressing plate in, so that the probability of occurrence of related power accidents is reduced.
Description
Technical Field
The invention belongs to the technical field of relays, and particularly relates to an intelligent relay protection tripping outlet pressing plate capable of preventing accidental switching.
Background
The relay protection tripping outlet pressing plate is also called a protection connecting plate or a tripping pressing plate, is a bridge and a link for protecting a relay device and connecting external wiring, is related to the function of protection and whether an action outlet can normally play a role, is the most important safety guarantee of a power system when the relay protection system is in safe operation, and is particularly important for the safe operation of related equipment in the relay protection system.
Among the prior art, relay protection clamp plate generally has rotatory switching and pulls out to insert and put formula two kinds, pulls out to insert and puts formula protection clamp plate and relies on the staff to pull out the roof and insert and accomplish the operation of moving back, because lack the taut effect to the roof, its easy in operational environment because of the vibration lead to the state change that moves back of putting on of roof to cause the influence to protection system.
In addition, in the operation and maintenance work of the traditional relay protection device, the voltage of the upper end and the lower end of the input position of the pressure plate needs to be measured before the input of the pressure plate, and as the number of action pressure plates is large, the work efficiency is greatly reduced by a large number of measurement works, and the measurement of the voltage is often missed by operation and maintenance personnel in the operation process, so that a lot of accidents of tripping of protection actions caused by manual misoperation occur.
The existing research invention only achieves the purpose of visually observing the exit state display of the pressing plate, but does not have the capability of intelligently preventing the exit pressing plate from being mistakenly thrown into the accident again when the protection device acts.
Disclosure of Invention
The invention aims to solve the technical problem that the switching state is easy to change under the condition that the relay protection pressing plate works in operation and maintenance or normally works, and provides a novel intelligent anti-misswitching relay protection tripping outlet pressing plate for solving the problem.
The object of the invention is achieved in the following way:
an intelligent anti-mis-throw novel relay protection tripping outlet pressing plate comprises a pressing plate body, wherein a shaft hole is formed in the middle of the pressing plate body, a pressing plate connecting plate is hinged in the shaft hole through a rotating shaft, downward pressing plate connecting plate conductor columns are arranged at two ends of the pressing plate connecting plate, pressing plate throwing holes and pressing plate withdrawing holes are symmetrically formed in two ends of the pressing plate body corresponding to the shaft hole, a throwing hole conductor surface is embedded in each pressing plate throwing hole, and the throwing hole conductor surface is electrically connected with a control device through a conductor channel; the upper conductor surface of the exit hole and the lower conductor surface of the exit hole are embedded in the exit hole of the pressing plate, the upper conductor surface of the exit hole and the lower conductor surface of the exit hole are respectively electrically connected with the controller, and a spring switch is also arranged between the upper conductor surface of the exit hole and the lower conductor surface of the through exit hole and corresponds to the lower conductor surface of the exit hole; an electromagnetic lock is arranged between the rotating shaft and the conductor surface at the bottom of the exit hole, and the electromagnetic lock is electrically connected with the control device.
The intelligent anti-misthrowing novel relay protection tripping outlet pressing plate comprises a rotating shaft, the rotating shaft is inserted in a shaft hole and comprises a rotating shaft big shaft and a rotating shaft small shaft, the bottom of the rotating shaft big shaft is provided with a sleeve hole, the rotating shaft small shaft is embedded in the sleeve hole, the bottom of the sleeve hole is provided with a perforated end cover for the rotating shaft small shaft to pass through, the end cover is fixedly connected with the rotating shaft big shaft, the top of the rotating shaft small shaft is an expanding end, the diameter of the expanding end is larger than the diameter of the hole on the end cover, a spring is sleeved on the rotating shaft small shaft between the expanding end and the end cover, a baffle is arranged in a shaft hole at the lower part of the rotating shaft small shaft, a small shaft lower end face iron sheet is arranged at the bottom of the rotating shaft small shaft, the diameter of the small shaft lower end face iron sheet is larger than the diameter surrounded by the baffle, a torsion spring is sleeved on the small shaft between the baffle and the end cover, the top of the torsion spring is fixed on the end cover, and the bottom of the torsion spring is fixed on the baffle, and a silicon steel sheet is arranged at the bottom of the shaft hole and is electrically connected with the control device.
Above-mentioned intelligence prevents novel relay protection tripping operation export clamp plate of miscutting, any kind in end cover and the big axle threaded connection of rotation axis, joint or the welding.
The intelligent anti-misthrowing novel relay protection tripping outlet pressing plate comprises a rotating shaft, the rotating shaft is inserted in a shaft hole and comprises a large rotating shaft and a small rotating shaft, the large rotating shaft is of a sleeve structure, the bottom of the sleeve is provided with a through hole, the top of the small rotating shaft penetrates through the sleeve, the bottom of the small rotating shaft extends out of the sleeve, the top of the small rotating shaft is an expanding end, the diameter of the expanding end is larger than the diameter of the through hole at the bottom of the sleeve, a spring is sleeved on the small rotating shaft between the expanding end and the sleeve, a baffle is arranged in the shaft hole at the lower part of the small rotating shaft, a terminal iron sheet at the lower end of the small rotating shaft is arranged at the bottom of the small rotating shaft, the diameter of the terminal iron sheet at the lower end of the small shaft is larger than the diameter surrounded by the baffle, a torsion spring is sleeved on the small rotating shaft between the baffle and the large rotating shaft, the top of the torsion spring is fixed on the large rotating shaft, the bottom of the torsion spring is fixed on the baffle, and a silicon steel sheet is arranged at the bottom of the shaft hole, the silicon steel sheet is electrically connected with the control device.
Above-mentioned novel relay protection tripping outlet clamp plate that mis-throw is prevented to intelligence, be provided with the input hole terminal of being connected with input hole conductor face electricity on the conductor passageway of input hole, input hole terminal passes through the wire electricity with controlling means and is connected.
Above-mentioned novel relay protection tripping outlet clamp plate that intelligence was prevented miscutting is provided with measurement circuit terminal and withdraw from state detection circuit terminal in the clamp plate passes through the clamp plate body side that the hole corresponds, and this board of clamp plate withdraws from the hole and goes up the conductor face and withdraw from state detection circuit terminal electricity and be connected, and spring switch or withdraw from hole bottom conductor face and measurement circuit terminal electricity and be connected, and measurement circuit terminal and withdraw from state detection circuit terminal and pass through the wire electricity with the controller respectively and be connected.
Compared with the prior art, the invention has the following technical effects:
the device has the characteristics of measuring and displaying the voltage of the upper port and the lower port of the pressure plate, detecting the exit state of the pressure plate, and automatically locking the exit pressure plate to be put into operation after protection actions or faults of the protection device. The working time is greatly saved, when the protection device acts or the protection circuit is abnormal, the pressing plate in the quitting state can be automatically locked and then put in, so that the error rate of protection error jumping caused by misoperation of the pressing plate is lowest, and meanwhile, the detected voltage display value can assist operation and maintenance personnel to visually judge the health state and the fault type of the pressing plate put in the circuit. The misoperation of operation and maintenance personnel on the pressing plate is effectively reduced, and the probability of occurrence of related power accidents is reduced.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a partial sectional view between a platen body drop-in hole and an exit hole.
FIG. 3 is a partial sectional view of the spindle of the platen connecting plate and the spindle hole of the platen body.
FIG. 4 is an electrical schematic of a platen exit condition detection circuit.
Fig. 5 is an electrical schematic of a voltage measurement loop.
Fig. 6 is an electrical structure diagram of the electromagnetic lock driven by the control device.
Detailed Description
The specific structure and the working principle of the intelligent anti-misthrow novel relay protection tripping outlet pressure plate are described in detail below with reference to the attached drawings 1, 2, 3, 4, 5 and 6.
The reference numbers in the figures represent the following: 1 clamp plate connecting plate, 2 clamp plate body throw-in holes, 3 clamp plate body exit holes, 4 clamp plate connecting plate conductor columns, 5 measurement return circuit terminals, 6 exit state detection return circuit terminals, 7 throw-in hole terminals, 8 shaft hole shell electromagnetic lock terminals, 9 shaft hole shells, 10 connecting plate rotating shafts, 11 throw-in hole conductor faces, 12 conductor channels, 13 spring switches, 14 exit hole upper portion inner wall conductor faces, 15 exit hole bottom conductor faces, 16 rotation axis macroaxis, 17 springs, 18 torsional springs, 19 key blocks, 20 rotation axis minor axes, 21 minor axis bottom iron sheet, 22 silicon steel sheets, 23 baffle plates.
The utility model provides a novel relay protection tripping operation export clamp plate that intelligence was prevented mistake and was thrown, includes the clamp plate body, is provided with the shaft hole at clamp plate body middle part, and clamp plate connecting plate 1 articulates in the shaft hole through the pivot, and the both ends of clamp plate connecting plate are provided with decurrent clamp plate connecting plate conductor post 4, correspond the shaft hole symmetry at clamp plate body both ends and set up clamp plate and throw in hole 2 and clamp plate and withdraw hole 3, its characterized in that: the conductor surface 11 of the input hole is embedded in the input hole of the pressure plate and is electrically connected with the control device through a conductor channel 12; the upper conductor surface 14 and the lower conductor surface 15 of the exit hole are embedded in the exit hole of the pressure plate, the upper conductor surface 14 and the lower conductor surface 15 of the exit hole are respectively electrically connected with the controller, a spring switch 13 is also arranged between the upper conductor surface of the exit hole and the lower conductor surface of the through exit hole, and the spring switch 13 corresponds to the lower conductor surface of the exit hole; an electromagnetic lock is arranged between the rotating shaft and the conductor surface at the bottom of the exit hole, and the electromagnetic lock is electrically connected with the control device.
The intelligent anti-misputting novel relay protection tripping outlet pressing plate electromagnetic lock has the following specific structure: the electromagnetic lock is arranged by matching a rotating shaft and a conductor surface at the bottom of a through hole, the rotating shaft comprises a large rotating shaft 16 and a small rotating shaft 20, the bottom of the large rotating shaft is provided with a sleeve hole, the small rotating shaft 20 is embedded in the sleeve hole, the bottom of the sleeve hole is provided with a perforated end cover for the small rotating shaft to pass through, the end cover is fixedly connected with the large rotating shaft, the top of the small rotating shaft is an expanding end, the diameter of the expanding end is larger than the pore diameter of the hole on the end cover, a spring 17 is sleeved on the small rotating shaft between the expanding end and the end cover, a baffle plate 23 is arranged in a shaft hole at the lower part of the small rotating shaft, the bottom of the small rotating shaft is provided with a small shaft lower end face iron sheet 21, the diameter of the small shaft lower end face iron sheet is larger than the pore diameter surrounded by the baffle plate, a torsion spring 18 is sleeved on the small shaft between the baffle plate and the end cover, the top of the torsion spring is fixed on the end cover, the bottom of the torsion spring is fixed on the baffle plate, and the bottom of the shaft hole is provided with a silicon steel sheet 22, the silicon steel sheet is electrically connected with the control device. The control device is electrically connected with the power supply module, the power supply module is in the prior art and can be bought in the market, the power supply module is generally provided with a power supply interface, and a mains supply is plugged in or a storage battery is connected to provide a power supply for the application.
According to the intelligent anti-misdrop novel relay protection tripping outlet pressing plate, the end cover is in threaded connection with the rotating shaft main shaft, and is clamped or welded.
The electromagnetic lock comprises a rotating shaft, the rotating shaft is inserted in a shaft hole, the rotating shaft comprises a large rotating shaft 16 and a small rotating shaft 20, the large rotating shaft is of a sleeve structure, the bottom of the sleeve is provided with a through hole, the top of the small rotating shaft 20 is penetrated in the sleeve, the bottom of the small rotating shaft extends out of the sleeve, the top of the small rotating shaft is an expanding end, the diameter of the expanding end is larger than the diameter of the through hole at the bottom of the sleeve, a spring 17 is sleeved on the small rotating shaft between the expanding end and the sleeve, a baffle plate 23 is arranged in the shaft hole at the lower part of the small rotating shaft, a small shaft lower end face iron sheet 21 is arranged at the bottom of the small rotating shaft, the diameter of the small shaft lower end face iron sheet is larger than the diameter surrounded by the baffle plate, a torsion spring 18 is sleeved on the small rotating shaft between the baffle plate and the large rotating shaft, the top of the torsion spring is fixed on the large rotating shaft, the bottom of the torsion spring is fixed on the baffle plate, a silicon steel sheet 22 is arranged at the bottom of the shaft hole, the silicon steel sheet is electrically connected with the control device. The trepanning of rotatory macroaxis bottom can be integrated into one piece's sleeve barrel structure promptly, can hold rotatory staff and spring, and rotatory macroaxis is a set of tubular structure promptly, and rotatory staff and spring pass the back through the top of rotatory macroaxis, and the top of rotatory macroaxis is fixed on the clamp plate connecting plate again.
According to the novel intelligent anti-misdrop relay protection tripping outlet pressing plate, the drop hole wiring terminal 7 electrically connected with the drop hole conductor surface is arranged on the conductor channel of the drop hole, and the drop hole wiring terminal is electrically connected with the control device through a wire.
According to the novel intelligent anti-misdrop relay protection tripping outlet pressing plate, the side face of the pressing plate body corresponding to the pressing plate through hole is provided with the measuring loop wiring terminal 5 and the withdrawing state detection loop wiring terminal 6, the conductor face on the withdrawing hole of the pressing plate body is electrically connected with the withdrawing state detection loop wiring terminal 6, the spring switch 13 or the withdrawing hole bottom conductor face is electrically connected with the measuring loop wiring terminal, and the measuring loop wiring terminal and the withdrawing state detection loop wiring terminal are respectively and electrically connected with a controller through wires.
Fig. 4 shows an electrical schematic diagram of a platen press-out state detection circuit according to the present invention, and the Sn platen in fig. 4 is a platen connection plate 1. The pressure plate has two position states: one is the throw-in position and one is the withdrawal position. When the pressing plate connecting block 1 is inserted into the pressing plate body withdrawing hole 3, the upper inner wall conductor surface 14 of the pressing plate body withdrawing hole 3, the pressing plate connecting plate 1 and the pressing plate connecting plate conductor column 4 are communicated with a withdrawing state detection circuit, the control device detects that any corresponding I/O port has a high level at the moment, the control device is automatically started, and the detection of the voltage to ground of the corresponding pressing plate inserting hole 2 is started. When all I/O ports are at low level, namely the pressure plate connecting plate 1 to be monitored is not at the exit position, the control device of the invention is automatically in the exit state, and the voltage to ground of the pressure plate input hole 2 is not detected.
After the pressing plate connecting plate 1 is lifted up, the pressing plate connecting plate rotates to the position of the pressing plate body withdrawing hole 3 and is put into use, the pressing plate connecting plate conductor column 4 can press down the spring switch 13 at the bottom of the withdrawing hole, the spring switch 13 can reliably contact the conductor surface 15 at the bottom of the withdrawing hole, and the connecting plate is guaranteed not to be bounced by a spring leaf due to the influence of the reaction force of the four springs 17 between the rotating shaft large shaft 16 and the small shaft 20.
The invention relates to a figure 5 which is an electrical sketch of a voltage measuring loop, and expresses the principle that a control device controls the on-off state of the measuring loop by controlling the on-off state of a photoelectric coupling isolator, the device adopts a scheme of measuring the same electrode at the same time and measuring different electrodes in a time-sharing way when measuring the voltage to earth of a pressing plate input hole 2, the scheme ensures that the relay protection device does not cause the switching action because of the measurement when abnormal, the control device also judges whether to lock the pressing plate input according to the voltage between the two input holes 2 of the pressing plate, when the absolute value of the voltage between the two input holes 2 of the pressing plate is beyond the normal numerical range, the control device sends driving current to form a loop through an electromagnetic lock binding post 8 at the bottom of a shaft hole shell of a rotating shaft and a silicon steel sheet 22 at the bottom of the inner wall of the shaft hole, and at the moment, the silicon steel sheet adsorbs an iron sheet 21 at the lower end of the small shaft of the rotating shaft due to the generation of a magnetic field, it is ensured that the connection plate 1 cannot be normally and completely pulled out of the exit hole 3 at this time.
Fig. 6 related to the invention is an electrical structure diagram of a control driving electromagnetic lock, when the electromagnetic lock needs to be put into operation, a control device sends out driving current, and the driving current is amplified by an amplifier and then is connected into a binding post of the electromagnetic lock, so that the silicon steel sheet is electrically magnetized.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the overall concept of the invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (3)
1. The utility model provides a novel relay protection tripping operation export clamp plate that intelligence was prevented mistake and was thrown, includes the clamp plate body, is provided with the shaft hole at clamp plate body middle part, and clamp plate connecting plate (1) articulates in the shaft hole through the pivot, and the both ends of clamp plate connecting plate are provided with decurrent clamp plate connecting plate conductor post (4), correspond the shaft hole symmetry at clamp plate body both ends and set up clamp plate and throw in hole (2) and clamp plate exit hole (3), its characterized in that: an input hole conductor surface (11) is embedded in the pressing plate input hole and is electrically connected with the control device through a conductor channel (12); the pressing plate withdrawing hole is internally embedded with a withdrawing hole upper conductor surface (14) and a withdrawing hole bottom conductor surface (15), the withdrawing hole upper conductor surface (14) and the withdrawing hole bottom conductor surface (15) are respectively electrically connected with the controller, a spring switch (13) is also arranged between the withdrawing hole upper conductor surface and the withdrawing hole bottom conductor surface, and the spring switch (13) corresponds to the withdrawing hole bottom conductor surface; an electromagnetic lock is arranged between the rotating shaft and the conductor surface at the bottom of the exit hole and is electrically connected with the control device; a measuring loop wiring terminal (5) and a withdrawing state detection loop wiring terminal (6) are arranged on the side surface of the pressing plate body corresponding to the withdrawing hole of the pressing plate, the upper conductor surface of the withdrawing hole of the pressing plate body is electrically connected with the withdrawing state detection loop wiring terminal (6), a spring switch (13) or the bottom conductor surface of the withdrawing hole is electrically connected with the measuring loop wiring terminal, and the measuring loop wiring terminal and the withdrawing state detection loop wiring terminal are respectively and electrically connected with a controller through wires;
the structure of the electromagnetic lock is as follows:
comprises a rotating shaft, the rotating shaft is inserted in a shaft hole, the rotating shaft comprises a large rotating shaft (16) and a small rotating shaft (20), the bottom of the large rotating shaft is provided with a sleeve hole, the small rotating shaft (20) is embedded in the sleeve hole, the bottom of the sleeve hole is provided with a perforated end cover for the small rotating shaft to pass through, the end cover is fixedly connected with the large rotating shaft, the top of the small rotating shaft is an expanding end, the diameter of the expanding end is larger than the diameter of the hole on the end cover, a spring (17) is sleeved on the small rotating shaft between the expanding end and the end cover, a baffle plate (23) is arranged in the shaft hole at the lower part of the small rotating shaft, the bottom of the small rotating shaft is provided with a small shaft lower end surface iron sheet (21), the diameter of the small shaft lower end surface iron sheet is larger than the diameter surrounded by the baffle plate, a torsion spring (18) is sleeved on the small shaft between the baffle plate and the end cover, the top of the torsion spring is fixed on the end cover, and the bottom of the torsion spring is fixed on the baffle plate, a silicon steel sheet (22) is arranged at the bottom of the shaft hole and is electrically connected with the control device;
or the structure of the electromagnetic lock is as follows:
comprises a rotating shaft, the rotating shaft is inserted in a shaft hole, the rotating shaft comprises a large rotating shaft (16) and a small rotating shaft (20), the large rotating shaft is of a sleeve structure and can contain the small rotating shaft and a spring, after the small rotating shaft and the spring pass through the top of the large rotating shaft, the top of the large rotating shaft is fixed on a pressure plate connecting plate, the bottom of the sleeve is provided with a through hole, the top of the small rotating shaft (20) is arranged in the sleeve in a penetrating way, the bottom of the small rotating shaft extends out of the sleeve, the top of the small rotating shaft is an expanding end, the diameter of the expanding end is larger than the diameter of the through hole at the bottom of the sleeve, the small rotating shaft between the expanding end and the sleeve is sleeved with the spring (17), a baffle (23) is arranged in the shaft hole at the lower part of the small rotating shaft, the bottom of the small rotating shaft is provided with a small shaft lower end iron sheet (21), the diameter of the small shaft is larger than the diameter surrounded by the baffle, and a torsion spring (18) is sleeved on the small rotating shaft between the baffle and the large rotating shaft, the top of the torsion spring is fixed on the large shaft of the rotating shaft, the bottom of the torsion spring is fixed on the baffle plate, a silicon steel sheet (22) is arranged at the bottom of the shaft hole, and the silicon steel sheet is electrically connected with the control device; the through hole at the bottom of the large shaft of the rotating shaft is integrally formed.
2. The intelligent anti-misthrowing novel relay protection tripping outlet pressing plate according to claim 1, characterized in that: the end cover is in threaded connection with the large rotating shaft, clamped connection or welded connection.
3. The intelligent anti-misthrowing novel relay protection tripping outlet pressing plate according to claim 1, characterized in that: and the conductor channel of the input hole is provided with an input hole wiring terminal (7) electrically connected with the conductor surface of the input hole, and the input hole wiring terminal is electrically connected with the control device through a lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011255153.2A CN112908747B (en) | 2020-11-11 | 2020-11-11 | Intelligent novel relay protection tripping outlet pressing plate capable of preventing accidental switching |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011255153.2A CN112908747B (en) | 2020-11-11 | 2020-11-11 | Intelligent novel relay protection tripping outlet pressing plate capable of preventing accidental switching |
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| Publication Number | Publication Date |
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| CN112908747A CN112908747A (en) | 2021-06-04 |
| CN112908747B true CN112908747B (en) | 2022-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011255153.2A Active CN112908747B (en) | 2020-11-11 | 2020-11-11 | Intelligent novel relay protection tripping outlet pressing plate capable of preventing accidental switching |
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| CN (1) | CN112908747B (en) |
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| CN105977109A (en) * | 2016-06-12 | 2016-09-28 | 国网山东省电力公司临朐县供电公司 | Tripping press plate capable of expanding connection loop and information transmission circuit |
| CN106841876A (en) * | 2017-03-27 | 2017-06-13 | 国网福建省电力有限公司 | A kind of monitoring method of relay protection outlet pressing plate |
| CN107276228A (en) * | 2017-03-31 | 2017-10-20 | 国网山东省电力公司日照供电公司 | Transformer station's pressing plate state anti-misoperation managing and control system |
| CN206977014U (en) * | 2017-04-26 | 2018-02-06 | 中国大唐集团科学技术研究院有限公司华中分公司 | Electrical protection systems and its protection presser device |
| CN207053160U (en) * | 2017-07-18 | 2018-02-27 | 国家电网公司 | It is a kind of to throw the relay-protection pressing plate for moving back self-test |
| CN208782458U (en) * | 2018-10-08 | 2019-04-23 | 广东电网有限责任公司 | A kind of secondary circuit hard pressing plate |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2450218T3 (en) * | 2008-01-10 | 2014-03-24 | Schneider Electric Industries Sas | Electronic trigger box for circuit breaker, electronic trip device and mounting procedure |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202121304U (en) * | 2011-07-12 | 2012-01-18 | 珠海优特电力科技股份有限公司 | Electric power pressure plate having switching on/off state detecting device |
| CN202121307U (en) * | 2011-07-12 | 2012-01-18 | 珠海优特电力科技股份有限公司 | Electric pressure plate |
| CN105977109A (en) * | 2016-06-12 | 2016-09-28 | 国网山东省电力公司临朐县供电公司 | Tripping press plate capable of expanding connection loop and information transmission circuit |
| CN106841876A (en) * | 2017-03-27 | 2017-06-13 | 国网福建省电力有限公司 | A kind of monitoring method of relay protection outlet pressing plate |
| CN107276228A (en) * | 2017-03-31 | 2017-10-20 | 国网山东省电力公司日照供电公司 | Transformer station's pressing plate state anti-misoperation managing and control system |
| CN206977014U (en) * | 2017-04-26 | 2018-02-06 | 中国大唐集团科学技术研究院有限公司华中分公司 | Electrical protection systems and its protection presser device |
| CN207053160U (en) * | 2017-07-18 | 2018-02-27 | 国家电网公司 | It is a kind of to throw the relay-protection pressing plate for moving back self-test |
| CN208782458U (en) * | 2018-10-08 | 2019-04-23 | 广东电网有限责任公司 | A kind of secondary circuit hard pressing plate |
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| Publication number | Publication date |
|---|---|
| CN112908747A (en) | 2021-06-04 |
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