CN107994463A - It is a kind of to be grounded stable intelligent protection grounding box - Google Patents
It is a kind of to be grounded stable intelligent protection grounding box Download PDFInfo
- Publication number
- CN107994463A CN107994463A CN201711246479.7A CN201711246479A CN107994463A CN 107994463 A CN107994463 A CN 107994463A CN 201711246479 A CN201711246479 A CN 201711246479A CN 107994463 A CN107994463 A CN 107994463A
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- China
- Prior art keywords
- motor
- piston
- grounding box
- module
- baffle
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/16—Earthing arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
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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
- Y04S10/40—Display of information, e.g. of data or controls
Abstract
The present invention provides a kind of intelligent protection grounding box for being grounded stabilization; voltage detection module and infrared probe are installed on grounding box; and for connecting the processor of voltage detection module and infrared probe; coordinated by three-phase knife switch and combined floodgate conductive trough; realize that three-phase knife switch is grounded, blocking is grounded by installing baffle on the installing plate being arranged symmetrically relative to combined floodgate conductive trough.During use, infrared probe detects that personnel are close, if low pressure main line there is currently voltage, baffle closes, and realization can not be grounded, and realizes safe back brake and line maintenance, avoids overlapping plug-in strip operation by mistake, effectively prevents the generation of line short accident；If magnitude of voltage is not present, protection is grounded.It by the way that blade mounting seat to be installed on to the top of ground connection installing plate, make use of the gravity of three-phase knife switch to improve the stability of three-phase knife switch ground connection, improve the reliability of grounding box ground connection so that grounding box is safer when working.
Description
Technical field
The present invention relates to a kind of grounding box, more particularly to a kind of intelligent protection grounding box for being grounded stabilization.
Background technology
Distribution line is the important component of electric system, but usually because complex environment runs into various failures, root
According to all kinds of failures occurred in day-to-day operation, analysis is made that to distribution operation, some that have found distribution line failure are objective
Rule, takes targetedly measure to prevent or eliminate, loss caused by prevent distribution line failure.Therefore circuit into
, it is necessary to residual current acting always protection and final stage protective device be installed in low-tension network, so as to be pacified during row interruption maintenance
Full grid switching operation and line maintenance, avoids overlapping plug-in strip operation by mistake, effectively prevents the generation of line short accident.At present,
The configuration of distribution low-voltage variation is lack of standardization, however it remains low-pressure end does not configure any protection or protection equipment and mismatched with capacity of distribution transform
Phenomenon, it is difficult to realize effective protection to distribution transformer.During traditional low-voltage distributing line interruption maintenance, tri- electricity of ABC
The earthing mode on cable road, is grounded using single drop bar.It is unable to when judging dead line operation of science intelligence
Whether also there are remaining voltage, it can not ensure line facility and personal safety.Currently, power cable on-line monitoring technique is progressively
It is applied, but current power cable grounding box can't be adapted to effectively in various environment.And in use, grounding box
The unstability of its grounding connection causes ground protection must arrive to be effectively ensured when in use, reduces the security of grounding box
Energy.
The content of the invention
It is an object of the invention to provide one kind ground connection to stablize, safe and reliable intelligent protection grounding box.
In order to achieve the above object, the present invention adopts the following technical scheme that：It is a kind of to be grounded stable intelligent protection grounding box,
Including grounding box, the voltage detection module for measuring low pressure main line current voltage value is installed on the grounding box and is used for
Show the voltage display screen of low-voltage circuit current voltage value, further include for sensing the close infrared probe of personnel and infrared signal
Transport module, and for connecting the processor of voltage detection module and infrared probe, installed on the grounding box by plug-in strip
Seat is provided with three-phase knife switch, and ground connection installing plate is provided with the grounding box, earth conductor is provided with the ground connection installing plate,
The one end of the earth conductor away from ground connection installing plate is provided with combined floodgate conductive trough, and the ground connection installing plate upper end is relative to combined floodgate
Conductive trough has been arranged symmetrically installing plate, and motor mount is provided with the installing plate, letter is provided with the motor mount
Number receiving module, the one end of the motor mount away from motor are provided with piston, the piston away from motor mount one
End is provided with piston shaft, and the one end of the piston shaft away from piston is provided with baffle, the blade mounting seat in the vertical direction
Height be more than ground connection mounting base in the vertical direction height.
Further, the installing plate includes the first installing plate and the second installing plate, the first installing plate upper end installation
There is the second motor mount, secondary signal receiving module, the second motor installation are installed on second motor mount
Seat side is provided with the second motor, and the described one end of second motor mount away from the second motor is provided with first piston, described
The one end of first piston away from the second motor mount is provided with first piston axis, and the first piston axis is away from first piston
One end is provided with sub- baffle, and the second installing plate upper end is provided with the 3rd motor mount, the 3rd motor mount one
Side is provided with the 3rd motor, and the side of the 3rd motor away from the 3rd motor mount is provided with second piston, and described second
Side of the piston away from the 3rd motor is provided with second piston axis, and the described one end of second piston axis away from second piston is provided with
Female baffle.
Further, the secondary signal receiving module is electrically connected with processor, the secondary signal receiving module difference
It is electrically connected with the second motor and the 3rd motor, the secondary signal receiving module is used to receive the second motor and the 3rd motor break-make
Electric signal, and break-make electric signal is respectively transmitted to the second motor and the 3rd motor.
Further, the internal diameter of the combined floodgate conductive trough is more than the outside diameter of three-phase knife switch.
Further, limiting slot is equipped with female baffle, mother's baffle is provided with spring mounting seat in limiting slot,
The one end of the spring mounting seat away from female baffle is provided with spring, and the one end of the spring away from spring mounting seat is provided with slow
Punching.
Further, the internal diameter of the limiting slot is more than the outside diameter of sub- baffle.
Further, the grounding box upper end is provided with stripper plate mounting base, and the stripper plate mounting base is installed on three-phase
On plug-in strip motion path, the stripper plate mounting base is equipped with sliding slot, and stripper plate is provided with by pulley on the sliding slot, described
Stripper plate mounting base upper end is provided with contact module, and the stripper plate is arranged in stripper plate mounting base relative to contact module symmetry
On, the first signal transmitting module, the first signal receiving module and motor, first letter are installed in the stripper plate mounting base
Number sending module is electrically connected with contacting module, and first signal transmitting module is electrically connected with processor, and first signal connects
Receive module to be electrically connected with the first motor, contact module is used to that the first signal transmission mould will to be sent to three-phase knife switch activation signal
Block, the first signal transmitting module are used to send activation signal to processor, and the first signal receiving module is used to receive from place
Manage the electrical power signal of device.
After adopting the above technical scheme, the invention has the advantages that：
1st, to sense personnel by infrared probe close, when have service personnel close to when, infrared signal transmission module is by work
Signal passes to voltage detection module so that voltage detection module detects low pressure main line current voltage value, if low pressure main line
Road there is currently voltage, then shows magnitude of voltage by voltage display screen, and there will be the signal of voltage to pass to processor, and by
There will be the signal of voltage to pass to signal receiving module for processor, and motor working signal is passed to electricity by signal receiving module
Machine, motor work drive piston shaft movement to realize that baffle closes, and prevent three-phase knife switch from being contacted with combined floodgate conductive trough by baffle, real
It can not now be grounded, realize safe back brake and line maintenance, avoid overlapping plug-in strip operation by mistake, effectively prevent line short thing
Therefore generation；Magnitude of voltage is there is currently no when voltage detection module detects low pressure main line, then passes through voltage display screen and shows nothing
Voltage, and the signal of no-voltage is passed into processor, motor power-off signal is passed into signal receiving module by processor, by
Motor power-off signal is passed to motor by signal receiving module, and motor can not work, and baffle can not close, and three-phase knife switch insertion is closed
Contacted in lock conductive trough with earth conductor, be grounded protection.By the way that blade mounting seat to be installed on to the top of ground connection installing plate,
Realize to contact with the combined floodgate conductive trough on ground connection installing plate during plug-in strip falls under rotation and be grounded, make use of three-phase
The gravity of plug-in strip improves the stability of three-phase knife switch ground connection, improves the reliability of grounding box ground connection so that grounding box works
Shi Gengjia safety.
2nd, the energization and power-off of the second motor and the 3rd motor from processor are received by secondary signal receiving module
Signal, by the power on/off of the second motor and the 3rd motor, realizes the motion control to first piston axis and the 3rd piston shaft, into
And control the opening and closing of sub- baffle and female baffle to close, the stop to three-phase knife switch is realized, and realize that three-phase knife switch is led with combined floodgate
Earth conductor contact in electric groove, and then grounding connection and the control disconnected are realized, pass through the cooperation of female baffle and sub- baffle
Realization contacts three-phase knife switch with earth conductor, and control is simple, and ground connection disconnection is thorough, improves the security of grounding box.
3rd, by make combined floodgate conductive trough internal diameter be more than three-phase knife switch outside diameter so that three-phase knife switch can more smoothly into
Enter and contacted into combined floodgate conductive trough with earth conductor, improve the security of operation and the reliability of grounding connection.
4th, realize that sub- baffle touches peace entering after the limiting slot in female baffle by installing spring in female baffle
It can be realized that sub- baffle can be entered steadily in female baffle by spring buffer and realized sub- baffle after the buffer board on spring
Closed with female baffle, realize the stop to three-phase knife switch, be grounded disconnection, realize safe back brake and line maintenance,
Avoid overlapping plug-in strip operation by mistake, effectively prevent the generation of line short accident.
5th, magnitude of voltage is there is currently no when voltage detection module detects low pressure main line, then passes through voltage display screen and show nothing
Voltage, at this time by by three-phase knife switch lift motion to stripper plate mounting base, after three-phase knife switch is with contacting module contact, first
Activation signal is passed to processor by signal transmitting module, and the power on signal of the first motor is passed to the first signal by processor
Receiving module, passes to the first motor by the first electrical power signal by the first signal receiving module, realizes the first electrical power
Work, the movement of the first motorized driver pulley, realizes that stripper plate to three-phase knife switch extrude spacing, and it is crowded to realize that plug-in strip is fixed on
In pressing plate mounting base, realize in the case where low pressure main line there is currently no magnitude of voltage, three-phase knife switch is fixed, it is real
Show the duplicate protection disconnected to ground connection, improve the security of grounding box.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 provides a kind of main structure diagram for being grounded stable intelligent protection grounding box for the present invention；
Fig. 2 is the close-up schematic view at A in Fig. 1；
Fig. 3 provides a kind of left view for being grounded female baffle in stable intelligent protection grounding box for the present invention；
Fig. 4 provides a kind of front view structure view for being grounded female baffle in stable intelligent protection grounding box for the present invention；
Fig. 5 is the close-up schematic view at B in Fig. 1；
Fig. 6 is the front view at B in Fig. 1；
It is as follows that the names of the parts is marked in figure：
1- grounding boxes, 2- blade mounting seats, 3- three-phase knife switchs, 4- plug-in strip connecting shafts, 5- handles, 6- voltage display screens, 7-
Voltage detection module, 8- processors, 9- infrared probes, 10- infrared signal transmission modules, 11- ground connection installing plates, 12- stripper plates
Mounting base, 13- sliding slots, 14- stripper plates, the first signal transmitting modules of 15-, the first motors of 16-, the first signal receiving modules of 17-,
18- pulleys, 19- contact modules, the first installing plates of 20-, the second motors of 21-, the second motor mounts of 22-, 23- secondary signals connect
Receive module, 24- first pistons, 25- first piston axis, 26- baffles, 27- combined floodgate conductive troughs, 28- earth conductors, the female gears of 29-
Plate, 30- second piston axis, 31- second pistons, the 3rd motors of 32-, the second installing plates of 33-, the 3rd motor mounts of 34-, 35-
Limiting slot, 36- buffer boards, 37- spring mounting seats, 38- springs.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
As shown in figures 1 to 6, the present invention provides a kind of intelligent protection grounding box for being grounded stabilization, including grounding box 1, grounding box
Voltage detection module 7 for measuring low pressure main line current voltage value is installed and for showing that low-voltage circuit is currently electric on 1
The voltage display screen 6 of pressure value, further includes for sensing the close infrared probe 9 of personnel and infrared signal transmission module 10, and
For connecting the processor 8 of voltage detection module 7 and infrared probe 9, three-phase is provided with by blade mounting seat 2 on grounding box 1
Plug-in strip 3, ground connection installing plate 11 is provided with grounding box 1, is grounded on installing plate 11 and is provided with earth conductor 28, earth conductor 28 is remote
One end from ground connection installing plate 11 is provided with combined floodgate conductive trough 27, and ground connection 11 upper end of installing plate is relative to the symmetrical cloth of combined floodgate conductive trough
Installing plate is equipped with, motor mount is installed on installing plate, signal receiving module, motor mount are installed on motor mount
One end away from motor is provided with piston, and the one end of piston away from motor mount is provided with piston shaft, and piston shaft is away from piston
One end baffle is installed, the height of 2 in the vertical direction of blade mounting seat is more than ground connection 11 in the vertical direction of mounting base
Highly.By infrared probe 9 sense personnel it is close, when have service personnel close to when, infrared signal transmission module 10 by work believe
Number pass to voltage detection module 7 so that voltage detection module 7 detects low pressure main line current voltage value, if low pressure main line
Road there is currently voltage, then shows magnitude of voltage by voltage display screen 6, and there will be the signal of voltage to pass to processor 8, and
Signal receiving module is passed to by signal of the processor 8 there will be voltage, is transmitted motor working signal by signal receiving module
To motor, motor work drives piston shaft movement to realize that baffle closes, and three-phase knife switch 3 and combined floodgate conductive trough 27 are prevented by baffle
Contact, realization can not be grounded, and realize safe back brake and line maintenance, avoided overlapping plug-in strip operation by mistake, effectively prevented line
The generation of road short circuit accident；Magnitude of voltage is there is currently no when voltage detection module 7 detects low pressure main line, then is shown by voltage
Screen shows no-voltage, and the signal of no-voltage is passed to processor 8, and motor power-off signal is passed to signal by processor 8
Receiving module, motor is passed to by signal receiving module by motor power-off signal, and motor can not work, and baffle can not close, and three
Phase plug-in strip 3 is inserted into combined floodgate conductive trough 7 and is contacted with earth conductor 28, is grounded protection.By the way that blade mounting seat 2 is installed on
The top of installing plate 11 is grounded, realizes the combined floodgate conductive trough 27 with being grounded on installing plate 11 during plug-in strip falls under rotation
Contact is grounded, and be make use of the gravity of three-phase knife switch 3 to improve the stability of the ground connection of three-phase knife switch 3, is improved grounding box and connect
The reliability on ground so that grounding box is safer when working.
In the present embodiment, installing plate includes the first installing plate 20 and the second installing plate 33, the installation of 20 upper end of the first installing plate
There is the second motor mount 22, secondary signal receiving module 23, the second motor mount are installed on the second motor mount 22
22 sides are provided with the second motor 21, and the one end of the second motor mount 22 away from the second motor 21 is provided with first piston 24,
The one end of first piston 24 away from the second motor mount 22 is provided with first piston axis 25, and first piston axis 25 is lived away from first
One end of plug 24 is provided with sub- baffle 26, and 33 upper end of the second installing plate is provided with the 3rd motor mount 34, the installation of the 3rd motor
34 sides of seat are provided with the 3rd motor 32, and the 3rd side of the motor 32 away from the 3rd motor mount 34 is provided with second piston
31, side of the second piston 31 away from the 3rd motor 32 is provided with second piston axis 30, and second piston axis 30 is away from second piston
31 one end is provided with female baffle 29.The second motor 21 and from processor 8 is received by secondary signal receiving module 23
The energization of three motors 32 and power-off signal, by the power on/off of the second motor 21 and the 3rd motor 32, are realized to first piston axis
25 and the 3rd piston shaft 30 motion control, and then control the opening and closing of sub- baffle 26 and female baffle 29 to close, realize to three-phase lock
The stop of knife 3, and realize that three-phase knife switch 3 is contacted with the earth conductor 28 in combined floodgate conductive trough 27, and then realize ground connection and connect
The control for connecing and disconnecting, is realized to the contact with earth conductor 28 of three-phase knife switch 3 by the cooperation of female baffle 29 and sub- baffle 26,
Control is simple, and ground connection disconnects the security for thoroughly, improving grounding box.
In the present embodiment, secondary signal receiving module 23 is electrically connected with processor 8, secondary signal receiving module 23 respectively with
Second motor 21 and the 3rd motor 32 are electrically connected, and secondary signal receiving module 23 is used to receive the second motor 21 and the 3rd motor 32
Break-make electric signal, and break-make electric signal is respectively transmitted to the second motor 21 and the 3rd motor 32.
In the present embodiment, the internal diameter of combined floodgate conductive trough 27 is more than the outside diameter of three-phase knife switch 3.By making combined floodgate conductive trough 27
Internal diameter is more than the outside diameter of three-phase knife switch 3 so that three-phase knife switch 3 can more smoothly be entered in combined floodgate conductive trough 27 and led with ground connection
Body 28 contacts, and improves the security of operation and the reliability of grounding connection.
In the present embodiment, limiting slot 35 is equipped with female baffle 29, female baffle 29 is provided with spring installation in limiting slot 35
Seat 37, the one end of spring mounting seat 37 away from female baffle 37 are provided with spring 38, the one end of spring 38 away from spring mounting seat 37
Buffer board 36 is installed.Realize that sub- baffle 26 is entering the limiting slot in female baffle 29 by installing spring 38 in female baffle
It can be buffered after the buffer board 36 on spring is touched after 35 by spring 38, realize that sub- baffle 26 can be entered steadily
Realize that sub- baffle 26 and female baffle 29 close in female baffle 29, realize the stop to three-phase knife switch 3, be grounded disconnection, it is real
The back brake and line maintenance of safety are showed, have avoided overlapping plug-in strip operation by mistake, effectively prevent the generation of line short accident.
In the present embodiment, the internal diameter of limiting slot 35 is more than the outside diameter of sub- baffle 26.
In the present embodiment, 1 upper end of grounding box is provided with stripper plate mounting base 12, and stripper plate mounting base 12 is installed on three-phase lock
On 3 motion path of knife, stripper plate mounting base 12 is equipped with sliding slot 13, and stripper plate 14 is provided with by pulley 18 on sliding slot 13, squeezes
12 upper end of pressing plate mounting base is provided with contact module 19, and stripper plate 14 is arranged symmetrically in stripper plate relative to contact module 19 and installs
On seat 12, the first signal transmitting module 15, the first signal receiving module 17 and motor 16 are installed in stripper plate mounting base 12, the
One signal transmitting module 15 is electrically connected with contacting module 19, and first signal transmitting module 15 is electrically connected with processor 8, and first
Signal receiving module 17 is electrically connected with the first motor 16, and contact module 19 is used to that the will to be sent to 3 activation signal of three-phase knife switch
One signal transmitting module 15, the first signal transmitting module 15 are used to send activation signal to processor 8, and the first signal receives mould
Block 17 is used to receive the electrical power signal from processor 8.It there is currently no when voltage detection module 7 detects low pressure main line
Magnitude of voltage, then show no-voltage by voltage display screen, at this time by by 3 lift motion of three-phase knife switch to stripper plate mounting base
12, after three-phase knife switch 3 is contacted with contacting module 19, activation signal is passed to processor 8 by the first signal transmitting module 15, by
The power on signal of first motor 16 is passed to the first signal receiving module 17 by processor 8, will by the first signal receiving module 17
First electrical power signal passes to the first motor 16, realizes the 16 energization work of the first motor, 16 driving pulley 18 of the first motor
Movement, realizes that stripper plate 14 to three-phase knife switch 3 extrude spacing, realizes that plug-in strip is fixed in stripper plate mounting base 12, real
Show in the case where low pressure main line there is currently no magnitude of voltage, three-phase knife switch 3 has been fixed, realized and ground connection is disconnected
Duplicate protection, improve the security of grounding box.
In addition to above preferred embodiment, the present invention also has other embodiments, and those skilled in the art can be according to this
Invention makes various changes and modifications, and without departing from the spirit of the present invention, should all belong to appended claims of the present invention and determine
The scope of justice.
Claims (7)
1. a kind of be grounded stable intelligent protection grounding box, including grounding box, it is characterised in that is provided with use on the grounding box
In the voltage detection module of measurement low pressure main line current voltage value and for showing that the voltage of low-voltage circuit current voltage value is shown
Display screen, further includes for sensing the close infrared probe of personnel and infrared signal transmission module, and for connecting voltage detecting
The processor of module and infrared probe, is provided with three-phase knife switch on the grounding box by blade mounting seat, on the grounding box
Ground connection installing plate is installed, earth conductor is installed, the earth conductor is away from ground connection installing plate on the ground connection installing plate
One end is provided with combined floodgate conductive trough, and the ground connection installing plate upper end has been arranged symmetrically installing plate relative to combined floodgate conductive trough, described
Motor mount is installed on installing plate, signal receiving module is installed on the motor mount, the motor mount is remote
One end from motor is provided with piston, and the one end of the piston away from motor mount is provided with piston shaft, and the piston shaft is remote
One end from piston is provided with baffle, and the height of the blade mounting seat in the vertical direction is more than ground connection mounting base in vertical side
Upward height.
2. grounding box according to claim 1, it is characterised in that the installing plate includes the first installing plate and the second installation
Plate, the first installing plate upper end are provided with the second motor mount, secondary signal are provided with second motor mount
Receiving module, the second motor mount side are provided with the second motor, and second motor mount is away from the second motor
One end first piston is installed, the one end of the first piston away from the second motor mount is provided with first piston axis, institute
State the one end of first piston axis away from first piston and sub- baffle is installed, the second installing plate upper end is provided with the 3rd motor peace
Fill seat, the 3rd motor mount side is provided with the 3rd motor, the 3rd motor away from the 3rd motor mount one
Side is provided with second piston, and side of the second piston away from the 3rd motor is provided with second piston axis, the second piston
The one end of axis away from second piston is provided with female baffle.
3. grounding box according to claim 2, it is characterised in that the secondary signal receiving module is electrically connected with processor
Connect, the secondary signal receiving module is electrically connected with the second motor and the 3rd motor respectively, and the secondary signal receiving module is used
It is respectively transmitted in the second motor of reception and the 3rd motor break-make electric signal, and by break-make electric signal to the second motor and the 3rd electricity
Machine.
4. grounding box according to claim 2, it is characterised in that the internal diameter of the combined floodgate conductive trough is more than three-phase knife switch
Outside diameter.
5. grounding box according to claim 2, it is characterised in that limiting slot, mother's baffle are equipped with mother's baffle
Spring mounting seat is installed in limiting slot, the one end of the spring mounting seat away from female baffle is provided with spring, the spring
One end away from spring mounting seat is provided with buffer board.
6. grounding box according to claim 5, it is characterised in that the internal diameter of the limiting slot is more than the outside diameter of sub- baffle.
7. grounding box according to claim 1, it is characterised in that the grounding box upper end is provided with stripper plate mounting base,
The stripper plate mounting base is installed on three-phase knife switch motion path, and the stripper plate mounting base is equipped with sliding slot, the sliding slot
Upper to be provided with stripper plate by pulley, the stripper plate mounting base upper end is provided with contact module, and the stripper plate is relative to connecing
Touch block is arranged symmetrically in stripper plate mounting base, and the first signal transmitting module, first are provided with the stripper plate mounting base
Signal receiving module and motor, first signal transmitting module are electrically connected with contacting module, first signal transmitting module
It is electrically connected with processor, first signal receiving module is electrically connected with the first motor, and contact module is used for will be with three-phase knife switch
Activation signal sends the first signal transmitting module to, and the first signal transmitting module is used to send activation signal to processor, the
One signal receiving module is used to receive the electrical power signal from processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711246479.7A CN107994463B (en) | 2017-12-01 | 2017-12-01 | Intelligent protection grounding box with stable grounding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711246479.7A CN107994463B (en) | 2017-12-01 | 2017-12-01 | Intelligent protection grounding box with stable grounding |
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| Publication Number | Publication Date |
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| CN107994463A true CN107994463A (en) | 2018-05-04 |
| CN107994463B CN107994463B (en) | 2023-08-22 |
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|---|---|---|---|---|
| AU4986479A (en) * | 1978-08-18 | 1980-02-21 | George Caton | Switch arrangement |
| ATA114884A (en) * | 1984-04-05 | 1985-02-15 | Sprecher & Schuh Ag | SWITCH POSITION DETECTOR FOR HIGH VOLTAGE EARTH SWITCH |
| KR910010198A (en) * | 1989-11-16 | 1991-06-29 | 도가미 하지메 | Disconnection automatic detection device |
| JP2009165253A (en) * | 2007-12-28 | 2009-07-23 | Panasonic Electric Works Co Ltd | Distribution panel |
| US20140168830A1 (en) * | 2012-12-19 | 2014-06-19 | Littelfuse, Inc. | Three-phase ground fault circuit interrupter |
| CN203275564U (en) * | 2013-06-05 | 2013-11-06 | 深圳供电局有限公司 | On-line monitor for hidden defects of short fuse protector for intelligent transformer station |
| CN106159723A (en) * | 2016-08-31 | 2016-11-23 | 国网山东省电力公司蓬莱市供电公司 | A kind of intelligent management electric power distributing cabinet |
| CN106786365A (en) * | 2017-03-01 | 2017-05-31 | 国网浙江杭州市富阳区供电公司 | Earth protective device |
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| Publication number | Publication date |
|---|---|
| CN107994463B (en) | 2023-08-22 |
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