CN112737111B - Device for improving stability of remote control switch - Google Patents
Device for improving stability of remote control switch Download PDFInfo
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- CN112737111B CN112737111B CN202011527424.5A CN202011527424A CN112737111B CN 112737111 B CN112737111 B CN 112737111B CN 202011527424 A CN202011527424 A CN 202011527424A CN 112737111 B CN112737111 B CN 112737111B
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- switching
- relay
- button
- electromagnet
- signal loop
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/16—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for capacitors
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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
- H02J13/00032—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
- 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
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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
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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 provides a device for improving the stability of a remote control switch, which comprises a 10kV capacitor protection and control device, a closing signal loop, a breaking signal loop and a control terminal, wherein the control terminal comprises a box body, a breaking relay, a closing relay, a power supply, a trigger mechanism and a normally open switch, when a breaking button or a closing button is pressed, the power supply can be transmitted to the corresponding relay, the relay can trigger the trigger mechanism, so that the trigger mechanism controls the normally open switch of the corresponding breaking and closing signal loop to be closed, a signal can be fed back to the 10kV capacitor protection and control device, the 10kV capacitor protection and control device can act, and the traditional wireless transmission signal is prevented from being weak in signal intensity and insensitive in opening and closing by adopting a wired connection remote control signal transmission mode.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a device for improving the stability of a remote control switch.
Background
The DK type distribution network automatic terminal is a feeder terminal unit of an overhead line of a distribution system of 40.5kV or below, integrates line protection, control, voltage and current signal measurement and monitoring, is matched with an on-column circuit breaker or an on-column load switch to realize automatic detection of line state, fault analysis, judgment and recording, drives a switch to protect line equipment safety, and has the functions of cutting off permanent faults of the line, instantly restoring short-time faults of the line and the like.
The communication module in the existing product realizes the communication function by a wireless mode and is accessed to a master station system, but the transmission function of the communication module cannot meet the actual use requirement due to the problems of weak network signals in certain areas and the like, and the remote switch is not flexible when switching on and off; the technical difficulty is that the hardware structure and the use position of the distribution network automation terminal determine that the distribution network automation terminal can only transmit data in a wireless mode, the problem cannot be solved by simply replacing a communication module, and the mode of signal transmission must be changed.
Disclosure of Invention
Therefore, the device for improving the stability of the remote control switch provided by the invention can be used for improving the problems that the communication is unstable, the signal intensity is very weak, the switching-on and switching-off of the remote control switch are not flexible, and the phenomenon that the remote control switch cannot be operated due to unstable signal transmission is avoided.
The technical scheme of the invention is realized as follows:
a device for improving the stability of a remote control switch comprises a 10kV capacitor protection measurement and control device, a closing signal loop, a switching-off signal loop and a control terminal, wherein a switching-off button, a closing button and a common button are arranged on the 10kV capacitor protection measurement and control device, and the switching-on signal loop and the switching-off signal loop are arranged in the 10kV capacitor protection measurement and control device and extend outwards to the inside of the control terminal; the control terminal comprises a box body, a switching-off relay, a switching-on relay, a power supply, a trigger mechanism and a normally open switch, the common button is respectively and electrically connected with the switching-on button and the switching-off button and is electrically connected with a first connecting end of the power supply through a wire, the switching-on button is sequentially and electrically connected with the switching-on relay and a second connecting end of the power supply through wires, the switching-off button is sequentially and electrically connected with the switching-off relay and the second connecting end of the power supply through wires, and the switching-on relay is connected with the switching-off relay in parallel; the normally open switch is connected in series with the part of the opening signal loop and the part of the closing signal loop inside the control terminal, and the trigger mechanism is respectively electrically connected with the closing relay and the opening relay and controls the normally open switch to trigger.
Preferably, control terminal still includes switch running state monitoring unit and alarm, switch running state monitoring unit sets up inside the box to be connected with 10kV capacitor protection measurement and control device electricity, the alarm sets up at the box surface, the alarm reports to the police according to the signal that switch running state monitoring unit sent.
Preferably, the control terminal further comprises a signal generator, and the signal generator is arranged inside the box body and is connected in series in the closing signal loop and the opening signal loop.
Preferably, a partition plate is arranged in the box body, the partition plate divides the interior of the box body into an action cavity and a feedback cavity, the power supply, the closing relay and the opening relay are arranged in the action cavity, the closing signal loop and the opening signal loop extend into the feedback cavity, and the normally open switch is located in the feedback cavity.
Preferably, the normally open switch on the closing signal loop is positioned above the normally open switch on the opening signal loop, the trigger mechanism comprises a first electromagnet, a second electromagnet, an action rod and a push rod, the first electromagnet is connected with the closing relay in parallel, the second electromagnet is connected with the opening relay in parallel, the first electromagnet and the second electromagnet are arranged on the partition plate, and the polarities of the bottoms of the first electromagnet and the second electromagnet are opposite; the action bars are vertically arranged in the feedback cavity and located on one side of the two normally-open switches, the push rods are horizontally arranged on the outer wall of the action bars and located between the two normally-open switches, magnetic blocks are arranged on the tops of the action bars and located below the first electromagnet and the second electromagnet, and the polarities of the tops of the magnetic blocks are opposite to those of the first electromagnet.
Preferably, the inner wall of the feedback cavity is provided with a sliding groove, the side wall of the action rod is provided with a sliding block, and the sliding block is positioned in the sliding groove.
Preferably, the control terminal further comprises a main control unit and a display unit, the display unit is arranged on the outer surface of the box body, the main control unit is arranged inside the box body, and the main control unit is respectively electrically connected with the display unit, the switch running state monitoring unit and the alarm.
Preferably, a first press button and a second press button are arranged in the chute, the first press button is located above the second press button, the slider is located between the first press button and the second press button, and the main control unit is electrically connected with the first press button and the second press button respectively.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a device for improving the stability of a remote control switch, which changes the traditional form of wireless transmission remote control signals into a wired form, and performs switching-on and switching-off operations through a switching-on and switching-off button on a 10kV capacitor protection and measurement device, when the switching-on and switching-off button is pressed, a corresponding relay in a control terminal is triggered, and a corresponding normally open switch is closed through a trigger mechanism, so that a corresponding switching-on and switching-off signal loop can feed back signals to the 10kV capacitor protection and measurement device, the 10kV capacitor protection and measurement device acts to cut off a circuit, the safe operation of equipment is ensured, and the problems of failure and the like caused by the traditional wireless transmission remote control signals are solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic diagram of an apparatus for improving stability of a remote control switch according to the present invention;
fig. 2 is a schematic structural diagram of a control terminal of the apparatus for improving stability of a remote control switch according to the present invention;
FIG. 3 is a schematic view of a connection structure between an actuating rod and a feedback chamber of the device for improving the stability of the remote control switch according to the present invention;
in the figure, 1 is a 10kV capacitor protection measurement and control device, 2 is a closing signal circuit, 3 is an opening signal circuit, 4 is a control terminal, 5 is an opening button, 6 is a closing button, 7 is a public button, 8 is a box body, 9 is an opening relay, 10 is a closing relay, 11 is a power supply, 12 is a normally open switch, 13 is a wire, 14 is a first connecting end, 15 is a second connecting end, 16 is a switch operation state monitoring unit, 17 is an alarm, 18 is a signal generator, 19 is a partition board, 20 is an action cavity, 21 is a feedback cavity, 22 is a first electromagnet, 23 is a second electromagnet, 24 is an action rod, 25 is a push rod, 26 is a magnetic block, 27 is a sliding slot, 28 is a sliding block, 29 is a main control unit, 30 is a display unit, 31 is a first press button, and 32 is a second press button.
Detailed Description
For a better understanding of the technical aspects of the present invention, a specific embodiment is provided below, and the present invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 3, the device for improving the stability of the remote control switch provided by the invention comprises a 10kV capacitor protection measurement and control device 1, a closing signal loop 2, a switching-off signal loop 3 and a control terminal 4, wherein the 10kV capacitor protection measurement and control device 1 is provided with a switching-off button 5, a closing button 6 and a common button 7, and the closing signal loop 2 and the switching-off signal loop 3 are arranged in the 10kV capacitor protection measurement and control device 1 and extend outwards to the inside of the control terminal 4; the control terminal 4 comprises a box body 8, an opening relay 9, a closing relay 10, a power supply 11, a trigger mechanism and a normally open switch 12, the common button 7 is respectively and electrically connected with a closing button 6 and an opening button 5 and is electrically connected with a first connecting end 14 of the power supply 11 through a wire 13, the closing button 6 is sequentially and electrically connected with the closing relay 10 and a second connecting end 15 of the power supply 11 through a wire 13, the opening button 5 is sequentially and electrically connected with the opening relay 9 and the second connecting end 15 of the power supply 11 through a wire 13, and the closing relay 10 is connected with the opening relay 9 in parallel; the normally open switch 12 is connected in series to the part of the opening signal loop 3 and the closing signal loop 2 inside the control terminal 4, and the triggering mechanism is electrically connected with the closing relay 10 and the opening relay 9 respectively and controls the normally open switch 12 to trigger.
The device for improving the stability of the remote control switch adopts a mode of transmitting the remote control signal by wire, replaces the traditional wireless transmission, and prevents the situation that the remote control switch is too flexible to switch off due to weak signal intensity in some areas, the 10kV capacitor protection and measurement device 1 is provided with the switching-on button 6, the switching-off button 5 and the common button 7, when switching-off or switching-on is carried out, the common button 7 is pressed, one of the switching-on button 6 or the switching-off button 5 is pressed at the same time, so that a trigger signal is sent to the switching-on relay 10 or the switching-off relay 9 in the control terminal 4 through the lead 13, the relay is triggered, then the control terminal 4 feeds back an action signal to the 10kV capacitor protection and measurement device 1, and the 10kV capacitor protection and measurement device 1 acts to cut off a circuit, thereby protecting subsequent electric equipment.
Specifically, the switching-off button 5, the common button 7, the power supply 11 and the switching-off relay 9 form a circuit loop, the switching-on button 6, the common button 7, the power supply 11 and the switching-on relay 10 form another circuit loop, and the triggering mechanism is electrically connected with the switching-on relay 10 and the switching-off relay 9 respectively, wherein the common button 7 is always in a switch-on state during switching-off operation or switching-on operation, when the switching-on button 6 or the switching-off button 5 is pressed, the power supply 11 can transmit electric energy to the relay so that the relay is switched on, the triggering mechanism connected with the relay can control the corresponding normally-open switch 12 to be in a switch-on state, so that a signal can be fed back to the 10kV capacitor protection and measurement and control device 1, the 10kV capacitor protection and measurement and control device 1 can act to cut off a circuit, and the stability of signal transmission is ensured in a mode of wired transmission of remote control signals, so that rapid action can be performed during switching-off and safe operation of electric equipment can be ensured.
In the opening signal loop 3 and the closing signal loop 2, normally open switches 12 are arranged for cutting off the circuit, and only the normally open switches 12 are closed under the trigger of the trigger mechanism, so that action signals are fed back to the 10kV capacitor protection measurement and control device 1.
Preferably, control terminal 4 still includes switch running state monitoring unit 16 and alarm 17, switch running state monitoring unit 16 sets up inside box 8 to be connected with 10kV capacitor protection measurement and control device 1 electricity, alarm 17 sets up at 8 surfaces of box, alarm 17 reports to the police according to the signal that switch running state monitoring unit 16 sent.
The switch running state monitoring unit 16 can monitor the switch state of the 10kV capacitor protection measurement and control device 1, and if the switch state is not in accordance with the actual state, the alarm 17 is controlled to give an alarm to prompt a worker to perform maintenance in time.
Preferably, the control terminal 4 further includes a signal generator 18, and the signal generator 18 is disposed inside the box 8 and is connected in series to the closing signal circuit 2 and the opening signal circuit 3.
In the opening signal loop 3 and the closing signal loop 2, the signal generator 18 can generate an action signal, and the loops are switched on only when the normally open switch 12 is closed, so that the signal generated by the signal generator 18 can be fed back to the 10kV capacitor protection measurement and control device 1.
Preferably, a partition plate 19 is arranged in the box body 8, the partition plate 19 divides the inside of the box body 8 into an action cavity 20 and a feedback cavity 21, the power supply 11, the closing relay 10 and the opening relay 9 are arranged in the action cavity 20, the closing signal loop 2 and the opening signal loop 3 extend into the feedback cavity 21, and the normally open switch 12 is located in the feedback cavity 21.
The partition plate 19 is used for partitioning the box body 8, and the partitioned action cavity 20 and the partitioned feedback cavity 21 are used for placing different devices, so that the phenomenon of mistaken touch among all parts is avoided.
Preferably, the normally open switch 12 on the closing signal loop 2 is located above the normally open switch 12 on the opening signal loop 3, the trigger mechanism includes a first electromagnet 22, a second electromagnet 23, an action rod 24 and a push rod 25, the first electromagnet 22 is connected in parallel with the closing relay 10, the second electromagnet 23 is connected in parallel with the opening relay 9, the first electromagnet 22 and the second electromagnet 23 are arranged on the partition plate 19, and the polarities of the bottoms of the two are opposite; action bars 24 set up perpendicularly in feedback chamber 21 to be located two normally open switches 12 one side, push rod 25 level sets up on action bars 24 outer wall, and is located between two normally open switches 12, action bars 24 top is provided with magnetic block 26, magnetic block 26 is located first electro-magnet 22 and second electro-magnet 23 below, and its top polarity is opposite with first electro-magnet 22.
Specifically, when a user presses the switching-on button 6 or the switching-off button 5 on one side of the 10kV capacitor protection and control device 1, a corresponding loop is switched on, so that the switching-on relay 10 or the switching-off relay 9 acts, the first electromagnet 22 and the second electromagnet 23 are respectively connected in parallel to the switching-on relay 10 and the switching-off relay 9, when the switching-on relay 10 or the switching-off relay 9 acts, the first electromagnet 22 and the second electromagnet 23 are respectively driven to be powered on, so that the first electromagnet 22 and the second electromagnet 23 are powered on and magnetized, because the polarities of the bottoms of the first electromagnet 22 and the second electromagnet 23 are opposite, the magnetic block 26 can be magnetically attracted or pushed to move in the vertical direction, when the first electromagnet 22 is powered on, the actuating rod 24 can move upwards along with the magnetic block 26, and the normally-open switch 12 located above is triggered, at this time, the feedback signal loop 2 is switched on, the feedback signal can be sent to the 10kV capacitor protection and control device 1, the 10kV capacitor protection and control device 1 can perform switching-on action, when the second electromagnet 23 is powered on, the normally-open switch 24 can move downwards along with the magnetic block 26, and the switching-off signal can be triggered, at this time, the switching-off control device 1 can be switched on, and the switching-off control device 10kV protection and the switching-off control device can be triggered.
For the first electromagnet 22 and the second electromagnet 23, a series circuit thereof is provided with a power-on switch, the power-on switch is connected with a moving contact of the closing relay 10 or the opening relay 9, when the closing relay 10 or the opening relay 9 is powered on to operate, the moving contact displaces and drives the power-on switch to switch on a circuit where the electromagnet is located, so that the electromagnet can magnetically attract or push the operating rod 24.
The closing relay 10 and the opening relay 9 are arranged to be able to set an action signal detection module of the relay inside the control terminal 4 for detecting whether the relay is actuated or not, so as to serve as an auxiliary judgment for sending a feedback signal to prevent a false touch phenomenon.
Preferably, the inner wall of the feedback cavity 21 is provided with a sliding groove 27, the side wall of the action rod 24 is provided with a sliding block 28, and the sliding block 28 is positioned in the sliding groove 27.
When the magnetic block 26 is attracted or repelled by magnetic force, the slide block 28 on the side wall of the actuating rod 24 moves up and down along the slide groove 27, the slide of the actuating rod 24 can be prevented from shifting by the arrangement of the slide block 28 and the slide groove 27, and in order to ensure the fixing of the initial position of the actuating rod 24, a spring is arranged in the slide groove 27 and is connected with the bottom surface of the slide groove 27 and the bottom of the slide block 28.
Preferably, the control terminal 4 further comprises a main control unit 29 and a display unit 30, the display unit 30 is arranged on the outer surface of the box body 8, the main control unit 29 is arranged inside the box body 8, and the main control unit 29 is electrically connected with the display unit 30, the switch operation state monitoring unit 16 and the alarm 17 respectively.
The main control unit 29 can judge the switching-on/off state of the 10kV capacitor protection and control device 1 according to the action signal of the relay, and display the switching-on/off state information on the display unit 30, and comprehensively judge whether the operation state of the 10kV capacitor protection and control device 1 is correct or not according to the action information of the relay and the state information detected by the switch operation state monitoring unit 16.
Preferably, a first push button 31 and a second push button 32 are disposed in the chute 27, the first push button 31 is located above the second push button 32, the slider 28 is located between the first push button 31 and the second push button 32, and the main control unit 29 is electrically connected to the first push button 31 and the second push button 32, respectively.
The invention also provides a function of counting the number of switching on and switching off, when the action rod 24 is attracted by the first electromagnet 22 to move upwards, the sliding block 28 can trigger the first pressing button 31, the first pressing button 31 sends an electric signal to the main control unit 29, the main control unit 29 records the number of switching on plus one, when the action rod 24 is repelled by the second electromagnet 23 to move downwards, the sliding block 28 can trigger the second pressing button 32, and the main control unit 29 can record the number of switching off plus one and display the number in the display unit 30.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A device for improving the stability of a remote control switch is characterized by comprising a 10kV capacitor protection and control device, a switching-on signal loop, a switching-off signal loop and a control terminal, wherein the 10kV capacitor protection and control device is provided with a switching-off button, a switching-on button and a common button, and the switching-on signal loop and the switching-off signal loop are arranged in the 10kV capacitor protection and control device and extend outwards to the inside of the control terminal; the control terminal comprises a box body, a switching-off relay, a switching-on relay, a power supply, a trigger mechanism and a normally open switch, the common button is respectively and electrically connected with the switching-on button and the switching-off button and is electrically connected with a first connecting end of the power supply through a wire, the switching-on button is sequentially and electrically connected with the switching-on relay and a second connecting end of the power supply through wires, the switching-off button is sequentially and electrically connected with the switching-off relay and the second connecting end of the power supply through wires, and the switching-on relay is connected with the switching-off relay in parallel; the normally open switch is connected in series with the part of the switching-off signal loop and the part of the switching-on signal loop, which are positioned in the control terminal, and the trigger mechanism is respectively electrically connected with the switching-on relay and the switching-off relay and controls the normally open switch to trigger; a partition board is arranged in the box body, the partition board divides the interior of the box body into an action cavity and a feedback cavity, the power supply, the closing relay and the opening relay are arranged in the action cavity, the closing signal loop and the opening signal loop extend into the feedback cavity, and the normally open switch is positioned in the feedback cavity; the normally open switch on the switching-on signal loop is positioned above the normally open switch on the switching-off signal loop, the trigger mechanism comprises a first electromagnet, a second electromagnet, an action rod and a push rod, the first electromagnet is connected with the switching-on relay in parallel, the second electromagnet is connected with the switching-off relay in parallel, the first electromagnet and the second electromagnet are arranged on the partition plate, and the polarities of the bottoms of the first electromagnet and the second electromagnet are opposite; the action bars are vertically arranged in the feedback cavity and located on one side of the two normally-open switches, the push rods are horizontally arranged on the outer wall of the action bars and located between the two normally-open switches, magnetic blocks are arranged on the tops of the action bars and located below the first electromagnet and the second electromagnet, and the polarities of the tops of the magnetic blocks are opposite to those of the first electromagnet.
2. The device for improving the stability of the remote control switch according to claim 1, wherein the control terminal further comprises a switch operation state monitoring unit and an alarm, the switch operation state monitoring unit is arranged inside the box body and electrically connected with the 10kV capacitor protection measurement and control device, the alarm is arranged on the outer surface of the box body, and the alarm gives an alarm according to a signal sent by the switch operation state monitoring unit.
3. The apparatus of claim 1, wherein the control terminal further comprises a signal generator, and the signal generator is disposed inside the box and connected in series to the closing signal loop and the opening signal loop.
4. The apparatus according to claim 1, wherein the feedback chamber has a sliding slot on its inner wall, and the side wall of the actuating rod has a sliding block in the sliding slot.
5. The device according to claim 4, wherein the control terminal further comprises a main control unit and a display unit, the display unit is arranged on the outer surface of the box body, the main control unit is arranged inside the box body, and the main control unit is electrically connected with the display unit, the switch operation state monitoring unit and the alarm respectively.
6. The device as claimed in claim 5, wherein a first push button and a second push button are disposed in the sliding slot, the first push button is located above the second push button, the slider is located between the first push button and the second push button, and the main control unit is electrically connected to the first push button and the second push button respectively.
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| CN202011527424.5A CN112737111B (en) | 2020-12-22 | 2020-12-22 | Device for improving stability of remote control switch |
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| CN202011527424.5A CN112737111B (en) | 2020-12-22 | 2020-12-22 | Device for improving stability of remote control switch |
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| CN112737111A CN112737111A (en) | 2021-04-30 |
| CN112737111B true CN112737111B (en) | 2023-01-06 |
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| CN112737111A (en) | 2021-04-30 |
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