CN113161979B - Protection clamp plate and protection clamp plate throw-retreat state test system - Google Patents
Protection clamp plate and protection clamp plate throw-retreat state test system Download PDFInfo
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- CN113161979B CN113161979B CN202110459045.5A CN202110459045A CN113161979B CN 113161979 B CN113161979 B CN 113161979B CN 202110459045 A CN202110459045 A CN 202110459045A CN 113161979 B CN113161979 B CN 113161979B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
- H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The invention relates to the technical field of electric power protection equipment, and particularly discloses a protection pressing plate and a protection pressing plate switching state testing system. The protection pressing plate is used for switching on or switching off a control loop and comprises a bottom plate provided with a bottom plate groove, a conductive clamping piece, a first conductive piece and a second conductive piece, wherein the first conductive piece and the second conductive piece are arranged in the bottom plate groove; the first conductive piece is provided with a first rail groove, the second conductive piece is provided with a second rail groove, the first rail groove, the second rail groove and the bottom plate groove are enclosed to form a clamp rail groove, the first conductive piece is connected with a first input end, the second conductive piece is connected with a second input end, and the first input end and the second input end are used for being connected with a control loop; the conductive clamping piece is slidably arranged in the clamping piece rail groove, when the conductive clamping piece is not simultaneously contacted with the first conductive piece and the second conductive piece, the first input end and the second input end are switched on/off, and the protection pressing plate is in an input/exit state. By means of the setting, switching between the input state and the exit state of the control circuit can be completed quickly.
Description
Technical Field
The invention relates to the technical field of electric power protection equipment, in particular to a protection pressing plate and a protection pressing plate switching state testing system.
Background
The protective pressing plate in the power system is also called a protective connecting plate, is connected in series with a breaking point of a control loop of a relay protection device, is used for connecting or disconnecting the control loop of the relay protection device, is a bridge and a link for connecting the protection device with external wiring, and belongs to important equipment in secondary protection of the power system. The correct input and exit of the pressure plate are important guarantee means for ensuring the safe operation of the relay protection system. The problem that the operation amount is large exists because the pressing plate is thrown into and withdrawn from the operation of workers, and in actual operation, because the pressing plate is thrown into or withdrawn from the operation improperly, the phenomenon that the relay protection system cannot complete the tripping action occurs sometimes, and serious potential safety hazards are left for the safe operation of the power system.
Disclosure of Invention
The invention aims to provide a protection pressing plate and a protection pressing plate on-off state testing system, and aims to solve the problems of large operation amount and poor safety of the protection pressing plate.
In order to achieve the purpose, the invention adopts the following technical scheme:
a protection pressing plate is used for connecting or disconnecting a control loop and comprises a bottom plate, a first conductive piece, a second conductive piece and a conductive clamping piece; the bottom plate is provided with a bottom plate groove; the first conductive piece and the second conductive piece are both installed in the bottom plate groove, a first rail groove is formed in the first conductive piece, a second rail groove is formed in the second conductive piece, the first rail groove, the second rail groove and the bottom plate groove form a clamping piece rail groove in a surrounding mode, a first input end is connected to the first conductive piece, a second input end is connected to the second conductive piece, and the first input end and the second input end are used for being connected with the control loop; the conductive clamp is slidably arranged in the clamp rail groove, when the conductive clamp is simultaneously contacted with the first conductive piece and the second conductive piece, the first input end is connected with the second input end, the protection pressing plate is in a switching-on state, when the conductive clamp is not simultaneously contacted with the first conductive piece and the second conductive piece, the first input end is disconnected with the second input end, and the protection pressing plate is in a withdrawing state.
The bottom plate groove is further provided with a first through hole and a second through hole, the first through hole is penetrated by the first input end, and the second through hole is penetrated by the second input end.
Preferably, the first conductive piece is further provided with a first limiting groove, the second conductive piece is further provided with a second limiting groove, and the first limiting groove, the second limiting groove and the bottom plate groove enclose a clamp limiting groove; the conductive clamping piece is provided with a limiting bulge, and the limiting bulge is slidably clamped in the clamping piece limiting groove.
Furthermore, the conductive clamping piece comprises a first clamping piece, a second clamping piece and a connecting piece for connecting the second clamping piece and the first clamping piece, the limiting protrusion is arranged on the first clamping piece, and the second clamping piece can be in press connection with the first conductive piece and the second conductive piece.
Still further, the connecting piece includes the bolt, the bolt wear to establish the second folder and with first folder spiro union.
Preferably, the first conductive member is further provided with a positioning protrusion, and the positioning protrusion is used for limiting the position of the conductive clip.
Preferably, the protective pressing plate further comprises a driving module and an adjusting module, the driving module is used for driving the conductive clamping piece to slide in the clamping piece rail groove, and the adjusting module is used for adjusting the distance between the second clamping piece and the first clamping piece.
A protection pressing plate switching state testing system comprises a sensing unit, a control unit and the protection pressing plate, wherein the sensing unit is installed in a bottom plate groove, and when the protection pressing plate is in a switching state, the sensing unit sends a switching state signal to the control unit; and when the protective pressing plate is in the exit state, the sensing unit sends an exit state signal to the control unit.
Preferably, the sensing unit includes a pressure sensor, two limiting blocks facing each other are convexly arranged in the bottom plate groove, the two limiting blocks divide the bottom plate groove into a first bottom plate groove and a second bottom plate groove, the first conductive member is inserted into the first bottom plate groove, the second conductive member is inserted into the second bottom plate groove, and the pressure sensor is mounted on the limiting blocks; when the protective pressing plate is in a putting state, the conductive clamping piece presses the pressure sensor, so that the pressure sensor sends a putting state signal to the control unit.
Preferably, the protection pressing plate switching state testing system further comprises an indicator lamp, a buzzer and a wireless network unit, the indicator lamp and the buzzer are in communication connection with the control unit, and the indicator lamp and the buzzer are used for respectively sending light and sound feedback according to a testing result of the switching state; and the wireless network unit is in communication connection with the control unit and is used for controlling the tested switching state to be wirelessly transmitted.
The invention has the beneficial effects that:
by means of the arrangement, the conductive clamping piece can slide in the clamping piece rail groove, and switching between the input state and the exit state of the control circuit is achieved. The structure is simple and reliable, the control loop state is switched conveniently, the operation amount is small, danger is not caused easily due to accidental conditions such as mistaken touch, and the use safety of the protection pressing plate is improved.
The protection pressing plate switching state testing system enables an operator to accurately obtain a testing result of a switching state, so that the testing accuracy is guaranteed, and the testing efficiency and safety are improved.
Drawings
Fig. 1 is a schematic structural diagram of a system for testing a retractable state of a protection pressing plate according to an embodiment of the present invention;
fig. 2 is an exploded view of a protection pressing plate on-off state testing system provided by an embodiment of the invention;
fig. 3 is a block diagram of a system for testing the on/off status of a protective pressing plate according to an embodiment of the present invention.
In the figure:
100. a base plate; 110. a limiting block; 210. a first conductive member; 211. a first input terminal; 212. a first track groove; 213. positioning the projection; 220. a second conductive member; 221. a second input terminal; 222. a second track groove; 310. a first clamp; 311. a first clip member hole; 320. a second clamp; 321. a second clip member hole; 330. and (4) bolts.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 and 2, the present embodiment provides a protection pressing plate for connecting or disconnecting a control circuit, including a base plate 100, a first conductive member 210, a second conductive member 220, and a conductive clip; the bottom plate 100 is provided with a bottom plate groove; the first conductive piece 210 and the second conductive piece 220 are both installed in the bottom plate groove, the first conductive piece 210 is provided with a first rail groove 212, the second conductive piece 220 is provided with a second rail groove 222, the first rail groove 212, the second rail groove 222 and the bottom plate groove enclose a clamp rail groove, the first conductive piece 210 is connected with a first input end 211, the second conductive piece 220 is connected with a second input end 221, and the first input end 211 and the second input end 221 are used for connecting a control loop; the conductive clip is slidably disposed in the clip track groove, when the conductive clip is simultaneously contacted with the first conductive member 210 and the second conductive member 220, the first input terminal 211 is conducted with the second input terminal 221, and the protection pressing plate is in an input state, and when the conductive clip is not simultaneously contacted with the first conductive member 210 and the second conductive member 220, the first input terminal 211 is disconnected from the second input terminal 221, and the protection pressing plate is in an exit state. Specifically, the material of the bottom plate 100 is polyvinyl chloride. By means of the arrangement, the conductive clamping piece can slide in the clamping piece rail groove, and switching between the input state and the exit state of the control loop is achieved. Above-mentioned simple structure is reliable, and control circuit state switches conveniently and the handling capacity is little, is difficult for touching unexpected circumstances such as because of the mistake and leads to dangerous the emergence, has improved the security that the protection clamp plate used.
In the present embodiment, the first conductive member 210 and the second conductive member 220 are U-shaped members, and the first rail groove 212 and the second rail groove 222 are disposed opposite to each other.
Preferably, the bottom plate groove is further provided with a first through hole and a second through hole, the first input end 211 penetrates through the first through hole, and the second input end 221 penetrates through the second through hole. The arrangement of the first through hole and the second through hole facilitates the selection of the arrangement positions of the first input end 211 and the second input end 221, so that the structure of the protection pressing plate is more compact and reliable, the occupied space is reduced, and the stability of the protection pressing plate is improved. Specifically, the first through hole and the second through hole are respectively formed in two sides of the bottom end of the bottom plate groove; the first input terminal 211 is disposed at one side of the first conductive member 210, and the second input terminal 221 is disposed at one side of the second conductive member 220.
In this embodiment, the first conductive member 210 is further provided with a first limiting groove, the second conductive member 220 is further provided with a second limiting groove, and the first limiting groove, the second limiting groove and the bottom plate groove form a clamping member limiting groove; the conductive clamping piece is provided with a limiting bulge, and the limiting bulge is clamped in the limiting groove of the clamping piece in a sliding manner. The arrangement of the clamping piece limiting groove and the limiting protrusion avoids the risk that the conductive clamping piece is separated from the clamping piece track groove, and the use safety and stability of the protective pressing plate are guaranteed. Specifically, the length direction of the clamp limiting groove is the same as that of the clamp track groove; the first limiting groove is opened on the side of the first conductive member 210 having the first input terminal 211, and the second limiting groove is opened on the side of the second conductive member 220 having the second input terminal 221.
Further, the conductive clip includes a first clip member 310, a second clip member 320, and a connecting member for connecting the second clip member 320 and the first clip member 310, wherein the limiting protrusion is disposed on the first clip member 310, and the second clip member 320 can be press-connected to the first conductive member 210 and the second conductive member 220. In other embodiments of the present invention, the second clip member 320 can be crimped to the bottom plate 100.
In the embodiment, the first clip member 310 is the same as the second clip member 320, so that the interchangeability and adaptability of the components are improved.
Preferably, the connector includes a bolt 330, and the bolt 330 penetrates the second clamp member 320 and is threadedly coupled with the first clamp member 310. The bolt 330 is used for screwing, so that the operation is simple, reliable and convenient, the distance between the second clamping piece 320 and the first clamping piece 310 can be adjusted by screwing the bolt 330, and an operator can conveniently use the second clamping piece 320 to complete the crimping operation on the first conductive piece 210 and the second conductive piece 220. Specifically, the first clamping member 310 has a first clamping member hole 311 formed in the middle thereof for allowing the bolt 330 to pass therethrough, and the second clamping member 320 has a second clamping member hole 321 formed in the middle thereof for screwing the bolt 330.
Preferably, the first conductive member 210 is further provided with a positioning protrusion 213, and the positioning protrusion 213 is used for defining the position of the conductive clip. The positioning protrusion 213 facilitates the limitation of the position of the conductive clip in the switching-in state and the switching-out state, further reduces the risk of accidents caused by mistaken touch, and ensures the accuracy of the switching operation of the control loop state and the safety of the operation protection pressing plate. Specifically, the positioning protrusion 213 serves to define the position of the second clip member 320.
In this embodiment, the protection pressing plate further includes a driving module for driving the conductive clip to slide in the clip track groove, and an adjusting module for adjusting a distance between the second clip 320 and the first clip 310. The arrangement of the driving module and the adjusting module greatly reduces the workload, and further improves the working efficiency and the use safety of the protective pressing plate.
With continuing reference to fig. 1 and fig. 2, the present embodiment further provides a system for testing the switching state of the protection pressing plate, which includes a sensing unit, a control unit and the protection pressing plate, where the sensing unit is installed in the bottom plate groove, and when the protection pressing plate is in the switching state, the sensing unit sends a switching state signal to the control unit; when the protective pressing plate is in the exit state, the sensing unit sends an exit state signal to the control unit. The protection pressing plate switching state testing system enables an operator to accurately obtain a testing result of a switching state, so that the testing accuracy is guaranteed, and the testing efficiency and safety are improved.
Preferably, the sensing unit includes a pressure sensor, two limiting blocks 110 facing each other are convexly arranged in the bottom plate groove, the bottom plate groove is divided into a first bottom plate groove and a second bottom plate groove by the two limiting blocks 110, the first conductive member 210 is inserted into the first bottom plate groove, the second conductive member 220 is inserted into the second bottom plate groove, and the pressure sensor is installed on the limiting blocks 110; when the protection pressing plate is in the input state, the conductive clamping piece presses the pressure sensor, so that the pressure sensor sends an input state signal to the control unit. With the adoption of the arrangement, not only is the stable installation of the first conductive piece 210 and the second conductive piece 220 in the bottom plate groove ensured, but also the triggering of the pressure sensor can be completed by utilizing the pressure of the conductive clamping piece on the limiting block 110, the structure is simple and reliable, the occupied space is small, and the accuracy of the test result is high; the control unit obtains the test result of the on-off state of the protection pressing plate by receiving the on-state signal and the off-state signal sent by the pressure sensor. Specifically, the edge of the limiting block 110 is provided with an avoiding groove, and the avoiding groove is used for avoiding a path along which the conductive clip moves.
Preferably, protection clamp plate is thrown and is moved back state test system still includes pilot lamp, bee calling organ and wireless network unit, pilot lamp and bee calling organ communication connection control unit, and pilot lamp and bee calling organ are used for sending light and sound feedback respectively according to the test result of the state of throwing moving back. The setting of pilot lamp and bee calling organ has guaranteed the effect of light and sound feedback for the test result of the state of switching can be received by operating personnel rapidly and in time.
As shown in fig. 3, the protection pressing plate on-off state testing system further includes a wireless network unit, and the wireless network unit is in communication connection with the control unit and is used for controlling the tested on-off state to be wirelessly transmitted. Specifically, the wireless network unit sends the tested switching state to the remote monitoring center. The wireless network unit is convenient for sending the test result of the switching state, and the processing speed of the test result is increased.
Preferably, the control unit is further in communication connection with the driving module and the adjusting module, and by means of control of the control unit on the driving module and the adjusting module, automatic switching of the input state and the exit state of the control loop by the protection pressing plate input and output state testing system can be achieved, potential safety hazards caused by misoperation and accidents are avoided, and use safety of the protection pressing plate input and output state testing system is greatly improved.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A protective platen for switching on or off a control circuit, comprising:
the base plate (100), wherein a base plate groove is formed in the base plate (100);
a first conductive piece (210) and a second conductive piece (220) which are both installed in the bottom plate groove, wherein the first conductive piece (210) is provided with a first rail groove (212), the second conductive piece (220) is provided with a second rail groove (222), the first rail groove (212), the second rail groove (222) and the bottom plate groove enclose a clip rail groove, the first conductive piece (210) is connected with a first input end (211), the second conductive piece (220) is connected with a second input end (221), and the first input end (211) and the second input end (221) are used for connecting the control loop;
the conductive clamping piece is arranged in the clamping piece rail groove in a sliding mode, when the conductive clamping piece is in contact with the first conductive piece (210) and the second conductive piece (220) at the same time, the first input end (211) is connected with the second input end (221), the protection pressing plate is in an input state, when the conductive clamping piece is not in contact with the first conductive piece (210) and the second conductive piece (220) at the same time, the first input end (211) is disconnected with the second input end (221), and the protection pressing plate is in an exit state.
2. The protective pressing plate according to claim 1, wherein the bottom plate groove is further provided with a first through hole and a second through hole, the first input end (211) penetrates through the first through hole, and the second input end (221) penetrates through the second through hole.
3. The protective pressing plate of claim 1, wherein the first conductive member (210) further defines a first limiting groove, the second conductive member (220) further defines a second limiting groove, and the first limiting groove, the second limiting groove and the bottom plate groove define a clip limiting groove; the conductive clamping piece is provided with a limiting bulge, and the limiting bulge is clamped in the clamping piece limiting groove in a sliding mode.
4. The protective pressure plate of claim 3, wherein the conductive clip comprises a first clip member (310), a second clip member (320), and a connecting member for connecting the second clip member (320) and the first clip member (310), the limiting protrusion is provided on the first clip member (310), and the second clip member (320) can be pressed against the first conductive member (210) and the second conductive member (220).
5. The protective platen according to claim 4, wherein the connector comprises a bolt (330), the bolt (330) passing through the second clamp piece (320) and being threaded with the first clamp piece (310).
6. The protective platen according to claim 1, wherein the first electrically conductive member (210) is further provided with a positioning protrusion (213), the positioning protrusion (213) being used to define the position of the electrically conductive clip.
7. The protective platen of claim 4, further comprising a driving module for driving the conductive clip to slide within the clip track slot and an adjusting module for adjusting a spacing between the second clip (320) and the first clip (310).
8. A protection pressing plate on-off state testing system is characterized by comprising a sensing unit, a control unit and the protection pressing plate of any one of claims 1 to 7, wherein the sensing unit is installed in the bottom plate groove, and when the protection pressing plate is in an on state, the sensing unit sends an on state signal to the control unit; and when the protective pressing plate is in the exit state, the sensing unit sends an exit state signal to the control unit.
9. The protection pressing plate on-off state testing system of claim 8, wherein the sensing unit comprises a pressure sensor, two limiting blocks (110) are arranged in the bottom plate groove in a protruding manner, the two limiting blocks (110) divide the bottom plate groove into a first bottom plate groove and a second bottom plate groove, the first conductive member (210) is inserted into the first bottom plate groove, the second conductive member (220) is inserted into the second bottom plate groove, and the pressure sensor is mounted on the limiting blocks (110); when the protective pressing plate is in a putting state, the conductive clamping piece presses the pressure sensor, so that the pressure sensor sends a putting state signal to the control unit.
10. The protection pressing plate switching state testing system of claim 8, further comprising an indicator light, a buzzer and a wireless network unit, wherein the indicator light and the buzzer are in communication connection with the control unit and are used for respectively sending light and sound feedback according to a testing result of the switching state; and the wireless network unit is in communication connection with the control unit and is used for controlling the tested switching state to be wirelessly transmitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110459045.5A CN113161979B (en) | 2021-04-27 | 2021-04-27 | Protection clamp plate and protection clamp plate throw-retreat state test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110459045.5A CN113161979B (en) | 2021-04-27 | 2021-04-27 | Protection clamp plate and protection clamp plate throw-retreat state test system |
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| Publication Number | Publication Date |
|---|---|
| CN113161979A CN113161979A (en) | 2021-07-23 |
| CN113161979B true CN113161979B (en) | 2022-11-01 |
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| CN202110459045.5A Active CN113161979B (en) | 2021-04-27 | 2021-04-27 | Protection clamp plate and protection clamp plate throw-retreat state test system |
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| CN116381396B (en) * | 2023-06-05 | 2023-10-27 | 广东电网有限责任公司佛山供电局 | Intelligent monitoring system for transformer substation outlet pressing plate |
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| US8988842B2 (en) * | 2010-09-30 | 2015-03-24 | Phoenix Contact Development and Manufacturing, Inc. | Terminal block having integral disconnect |
| CN104283320B (en) * | 2014-10-29 | 2016-08-24 | 国网四川省电力公司达州供电公司 | A kind of status monitoring terminal structure for electic protection pressing plate |
| CN212749073U (en) * | 2020-05-29 | 2021-03-19 | 珠海优特电力科技股份有限公司 | Pressing plate state detection device and conduction module thereof |
| CN112582980A (en) * | 2020-11-02 | 2021-03-30 | 深圳供电局有限公司 | Relay protection pressing plate device and relay protection equipment |
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| CN104009550A (en) * | 2014-06-19 | 2014-08-27 | 国网四川省电力公司达州供电公司 | State monitoring terminal of electrical secondary circuit connection pressing plate and monitoring system thereof |
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