CN107994463B - Intelligent protection grounding box with stable grounding - Google Patents
Intelligent protection grounding box with stable grounding Download PDFInfo
- Publication number
- CN107994463B CN107994463B CN201711246479.7A CN201711246479A CN107994463B CN 107994463 B CN107994463 B CN 107994463B CN 201711246479 A CN201711246479 A CN 201711246479A CN 107994463 B CN107994463 B CN 107994463B
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- motor
- grounding
- module
- mounting seat
- plate
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention provides an intelligent protection grounding box with stable grounding, wherein a voltage detection module, an infrared probe and a processor for connecting the voltage detection module and the infrared probe are arranged on the grounding box, the three-phase knife is grounded through the cooperation of a three-phase knife and a closing conductive groove, and the grounding blocking is realized through the installation of baffles on installation plates symmetrically arranged relative to the closing conductive groove. In the use process, the infrared probe detects that a person approaches, if the voltage exists in the low-voltage main line at present, the baffle is closed, so that the grounding failure is realized, the safe switching and line maintenance are realized, the misoperation of the mistakenly-overlapped switch blade is avoided, and the occurrence of a line short-circuit accident is effectively prevented; and if the voltage value does not exist, realizing grounding protection. Through installing the lock blade mount pad in the top of ground connection mounting panel, utilized the gravity of three-phase lock blade to improve the stability of three-phase lock blade ground connection, improved the reliability of earthing box ground connection for the earthing box during operation is safer.
Description
Technical Field
The invention relates to a grounding box, in particular to an intelligent protection grounding box with stable grounding.
Background
Distribution lines are an important component of a power system, but often because various faults are encountered in a complex environment, analysis is performed on distribution operation according to various faults occurring in daily operation, objective rules of the faults of the distribution lines are found, and targeted measures are taken to prevent or eliminate the faults of the distribution lines so as to prevent loss caused by the faults of the distribution lines. Therefore, when the line is subjected to power failure maintenance, a residual current action total protection device and a final-stage protection device are required to be arranged on the low-voltage power grid, so that safe switching operation and line maintenance are performed, misoperation of overlapping a knife switch operation is avoided, and line short-circuit accidents are effectively prevented. At present, distribution low-voltage protection configuration is not standard, and the phenomenon that a low-voltage end is not configured with any protection or protection equipment is not matched with distribution transformer capacity still exists, so that effective protection of a distribution transformer is difficult to realize. When the traditional low-voltage distribution line is subjected to power failure maintenance, the grounding mode of the ABC three cable lines is that a single grounding rod is adopted for grounding. Whether residual voltage exists during operation of the power failure line cannot be judged scientifically and intelligently, and line equipment and personal safety cannot be guaranteed. Currently, power cable online monitoring technology is gradually applied, but the current power cable grounding box cannot be effectively adapted to various environments. In addition, in the use process, the instability of the grounding connection of the grounding box during use ensures that the grounding protection is not effectively ensured, and the safety performance of the grounding box is reduced.
Disclosure of Invention
The invention aims to provide an intelligent protection grounding box which is stable in grounding, safe and reliable.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides an intelligent protection earthing box of stable ground connection, includes the earthing box, install the voltage detection module that is used for measuring the current voltage value of low pressure main circuit on the earthing box and be used for showing the current voltage value of low pressure circuit's voltage display screen, still including infrared probe and the infrared signal transmission module that are used for the response personnel to be close to and be used for connecting voltage detection module and infrared probe's treater, install three-phase plug-in strip through the plug-in strip mount pad on the earthing box, install the ground connection mounting panel on the earthing box, install the earthing conductor on the ground connection mounting panel, the one end that the earthing conductor kept away from the ground connection mounting panel is installed the closing conductive groove, the mounting panel has been arranged for closing conductive groove symmetry to the ground connection mounting panel upper end, install the motor mount pad on the motor mount pad, the one end that the motor mount pad was kept away from to the motor mount pad is installed to the motor, the piston shaft is installed to the piston one end that the piston shaft kept away from the piston, the plug-in strip mount pad is greater than the vertical ascending high of vertical ground connection of vertical direction of height of ground connection of plug-in the vertical direction.
Further, the mounting plate includes first mounting panel and second mounting panel, the second motor mount pad is installed to first mounting panel upper end, install second signal receiving module on the second motor mount pad, the second motor is installed to second motor mount pad one side, first piston is installed to the one end that the second motor was kept away from to second motor mount pad, first piston axle is installed to the one end that the second motor mount pad was kept away from to first piston, the sub-baffle is installed to the one end that first piston was kept away from to first piston, the third motor mount pad is installed to second mounting panel upper end, the third motor is installed to third motor mount pad one side, the second piston is installed to one side that the third motor was kept away from to the third motor, the second piston axle is installed to one side that the third motor was kept away from to the second piston, the female baffle is installed to the one end that the second piston was kept away from to the second piston axle.
Further, the second signal receiving module is electrically connected with the processor, the second signal receiving module is electrically connected with the second motor and the third motor respectively, and the second signal receiving module is used for receiving on-off electric signals of the second motor and the third motor and transmitting the on-off electric signals to the second motor and the third motor respectively.
Further, the inner diameter of the closing conductive groove is larger than the outer diameter of the three-phase knife switch.
Further, be equipped with the spacing groove in the female baffle, the spring mount pad is installed to female baffle in the spacing groove, the spring is installed to the one end that the spring mount pad kept away from female baffle, the buffer board is installed to the one end that the spring kept away from the spring mount pad.
Further, the inner diameter of the limiting groove is larger than the outer diameter of the sub-baffle.
Further, the stripper plate mount pad is installed to the grounding box upper end, the stripper plate mount pad is installed on three-phase knife motion path, be equipped with the spout on the stripper plate mount pad, install the stripper plate through the pulley on the spout, contact module is installed to stripper plate mount pad upper end, the stripper plate is arranged on the stripper plate mount pad for contact module symmetry, install first signal transmission module, first signal receiving module and motor on the stripper plate mount pad, first signal transmission module is connected with contact module electricity, first signal transmission module is connected with the treater electricity, first signal receiving module is connected with first motor electricity, contact module is used for will be with three-phase knife contact signal transmission to first signal transmission module, first signal transmission module is used for giving the treater with contact signal transmission, first signal receiving module is used for receiving the motor circular telegram signal from the treater.
After the technical scheme is adopted, the invention has the following advantages:
1. the infrared probe senses that personnel are close, when an overhaul personnel is close, the infrared signal transmission module transmits a working signal to the voltage detection module, so that the voltage detection module detects the current voltage value of the low-voltage main line, if the low-voltage main line is currently provided with voltage, the voltage value is displayed through the voltage display screen, the signal with the voltage is transmitted to the processor, the signal with the voltage is transmitted to the signal receiving module by the processor, the signal receiving module transmits a motor working signal to the motor, the motor works to drive the piston shaft to move so as to realize closing of the baffle, the three-phase knife switch is prevented from being contacted with the closing conducting groove by the baffle, the grounding is impossible, the safe switching and line overhaul are realized, the mistaken reclosing knife switch operation is avoided, and the occurrence of line short-circuit accidents is effectively prevented; when the voltage detection module detects that the low-voltage main circuit does not have a voltage value currently, no voltage is displayed through the voltage display screen, a signal without voltage is transmitted to the processor, the processor transmits a motor outage signal to the signal receiving module, the signal receiving module transmits the motor outage signal to the motor, the motor cannot work, the baffle cannot be closed, and the three-phase knife switch is inserted into the closing conductive groove to be in contact with the grounding conductor, so that grounding protection is realized. Through installing the switch blade mount pad in the top of ground connection mounting panel, realized that the switch blade contacts with the closing conductive groove on the ground connection mounting panel in rotatory whereabouts's in-process realizes the ground connection, utilized the gravity of three-phase switch blade to have improved the stability of three-phase switch blade ground connection, improved the reliability of ground connection of grounding box for the during operation of grounding box is safer.
2. The second signal receiving module is used for receiving the power-on and power-off signals of the second motor and the third motor from the processor, the motion control of the first piston shaft and the third piston shaft is realized through the power-on and power-off of the second motor and the third motor, the opening and closing of the sub-baffle plate and the main baffle plate are further controlled, the blocking of the three-phase knife switch is realized, the three-phase knife switch is contacted with the grounding conductor in the closing conductive groove, the control of grounding connection and disconnection is further realized, the contact of the three-phase knife switch and the grounding conductor is realized through the cooperation of the main baffle plate and the sub-baffle plate, the control is simple, the grounding disconnection is thorough, and the safety of the grounding box is improved.
3. Through making the internal diameter of closing a floodgate conducting slot be greater than the external diameter of three-phase knife for three-phase knife can enter into the closing a floodgate conducting slot more smoothly and contact with the ground conductor, improved the security of operation and the reliability of ground connection.
4. Through installing the spring in female baffle realization son baffle can be by the spring buffering after entering into the spacing groove in the female baffle and contacting the buffer board of installing on the spring, realize that son baffle can steadily enter into the female baffle in realize son baffle and female baffle closure, realized blocking three-phase knife switch, realize the ground connection disconnection, realized safe switching and line maintenance, avoid the mistake to coincide knife switch operation, effectually prevent the emergence of line short-circuit accident.
5. When the voltage detection module detects that the low-voltage main circuit does not have a voltage value currently, no voltage is displayed through the voltage display screen, at the moment, the three-phase knife is lifted to move to the extrusion plate mounting seat, after the three-phase knife contacts with the contact module, the first signal transmission module transmits a contact signal to the processor, the processor transmits an energizing signal of the first motor to the first signal receiving module, the first signal receiving module transmits the energizing signal of the first motor to the first motor, the first motor is energized to work, the first motor drives the pulley to move, the extrusion plate is used for extruding and limiting the three-phase knife, the knife is fixed on the extrusion plate mounting seat, the three-phase knife is fixed under the condition that the low-voltage main circuit does not have a voltage value currently, double protection of grounding disconnection is realized, and the safety of the grounding box is improved.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a front view structure of an intelligent protection grounding box with stable grounding;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;
FIG. 3 is a left side view of a female shield plate in an intelligent protective grounding box with stable grounding;
FIG. 4 is a front view of a female shield in an intelligent protective grounding box with stable grounding;
FIG. 5 is an enlarged partial schematic view at B in FIG. 1;
FIG. 6 is a front view at B in FIG. 1;
the names of the components marked in the figure are as follows:
the device comprises a 1-grounding box, a 2-switch blade mounting seat, a 3-three-phase switch blade, a 4-switch blade connecting shaft, a 5-handle, a 6-voltage display screen, a 7-voltage detection module, an 8-processor, a 9-infrared probe, a 10-infrared signal transmission module, a 11-grounding mounting plate, a 12-extrusion plate mounting seat, a 13-sliding groove, a 14-extrusion plate, a 15-first signal sending module, a 16-first motor, a 17-first signal receiving module, a 18-pulley, a 19-contact module, a 20-first mounting plate, a 21-second motor, a 22-second motor mounting seat, a 23-second signal receiving module, a 24-first piston, a 25-first piston shaft, a 26-sub-baffle, a 27-closing conductive groove, a 28-grounding conductor, a 29-female baffle, a 30-second piston shaft, a 31-second piston, a 32-third motor, a 33-second mounting plate, a 34-third motor mounting seat, a 35-limiting groove, a 36-buffer plate, a 37-spring mounting seat and a 38-spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1-6, the invention provides an intelligent protection grounding box with stable grounding, which comprises a grounding box 1, wherein a voltage detection module 7 for measuring the current voltage value of a low-voltage main line and a voltage display screen 6 for displaying the current voltage value of the low-voltage main line are installed on the grounding box 1, the intelligent protection grounding box also comprises an infrared probe 9 and an infrared signal transmission module 10 for sensing the approach of a person, and a processor 8 for connecting the voltage detection module 7 and the infrared probe 9, a three-phase knife 3 is installed on the grounding box 1 through a knife installation seat 2, a grounding installation plate 11 is installed on the grounding box 1, a grounding conductor 28 is installed on the grounding installation plate 11, a closing conductive groove 27 is installed at one end of the grounding conductor 28, which is far away from the grounding installation plate 11, the upper end of the grounding installation plate 11 is symmetrically arranged relative to the closing conductive groove, a motor installation seat is installed on the installation plate, a signal receiving module is installed on the motor installation seat, a piston is installed at one end of the motor installation seat, which is far away from the motor installation seat, a piston shaft is installed at one end of the piston shaft is far from the piston, a baffle is installed at one end of the piston shaft, and the baffle is installed at one end, which is far from the piston, and the vertical height of the installation seat is greater than the vertical height of the grounding seat 11 in the vertical direction. The infrared probe 9 senses that personnel are approaching, when an overhaul personnel approaches, the infrared signal transmission module 10 transmits a working signal to the voltage detection module 7, so that the voltage detection module 7 detects the current voltage value of the low-voltage main circuit, if the voltage exists in the low-voltage main circuit currently, the voltage value is displayed through the voltage display screen 6, the signal of the existing voltage is transmitted to the processor 8, the signal of the existing voltage is transmitted to the signal receiving module by the processor 8, the signal receiving module transmits a motor working signal to a motor, the motor works to drive a piston shaft to move to realize closing of a baffle, the three-phase knife switch 3 is prevented from being contacted with the closing conductive groove 27 through the baffle, the three-phase knife switch cannot be grounded, safe switching and line overhaul are realized, the false reclosing knife switch operation is avoided, and the occurrence of line short-circuit accidents is effectively prevented; when the voltage detection module 7 detects that the low-voltage main circuit does not have a voltage value currently, no voltage is displayed through the voltage display screen, a signal without voltage is transmitted to the processor 8, a motor power-off signal is transmitted to the signal receiving module through the processor 8, the signal receiving module transmits the motor power-off signal to the motor, the motor cannot work, the baffle cannot be closed, and the three-phase knife switch 3 is inserted into the closing conductive groove 7 to be in contact with the grounding conductor 28, so that grounding protection is realized. Through installing the switch blade mount pad 2 in the top of ground connection mounting panel 11, realized that the switch blade contacts with the closing conductive groove 27 on the ground connection mounting panel 11 at rotatory whereabouts's in-process realizes the ground connection, utilized the gravity of three-phase switch blade 3 to improve the stability of three-phase switch blade 3 ground connection, improved the reliability of earthing box ground connection for the earthing box during operation is safer.
In this embodiment, the mounting plates include a first mounting plate 20 and a second mounting plate 33, the second motor mounting seat 22 is mounted at the upper end of the first mounting plate 20, the second signal receiving module 23 is mounted on the second motor mounting seat 22, the second motor 21 is mounted on one side of the second motor mounting seat 22, the first piston 24 is mounted at one end of the second motor mounting seat 22 far away from the second motor 21, the first piston shaft 25 is mounted at one end of the first piston 24 far away from the second motor mounting seat 22, the sub-baffle 26 is mounted at one end of the first piston shaft 25 far away from the first piston 24, the third motor mounting seat 34 is mounted at the upper end of the second mounting plate 33, the third motor 32 is mounted at one side of the third motor mounting seat 34, the second piston 31 is mounted at one side of the third motor 32 far away from the third motor mounting seat 34, the second piston shaft 30 is mounted at one side of the second piston 31 far away from the third motor 32, and the female baffle 29 is mounted at one end of the second piston shaft 30 far away from the second piston 31. The second signal receiving module 23 receives the power-on and power-off signals of the second motor 21 and the third motor 32 from the processor 8, the motion control of the first piston shaft 25 and the third piston shaft 30 is realized through the power-on and power-off of the second motor 21 and the third motor 32, the opening and closing of the sub-baffle 26 and the main baffle 29 are further controlled, the blocking of the three-phase knife 3 is realized, the three-phase knife 3 is contacted with the grounding conductor 28 in the closing conductive groove 27, the control of grounding connection and disconnection is further realized, the contact of the three-phase knife 3 and the grounding conductor 28 is realized through the cooperation of the main baffle 29 and the sub-baffle 26, the control is simple, the grounding disconnection is thorough, and the safety of the grounding box is improved.
In this embodiment, the second signal receiving module 23 is electrically connected to the processor 8, the second signal receiving module 23 is electrically connected to the second motor 21 and the third motor 32, and the second signal receiving module 23 is configured to receive on-off electrical signals of the second motor 21 and the third motor 32, and transmit the on-off electrical signals to the second motor 21 and the third motor 32, respectively.
In this embodiment, the inner diameter of the closing conductive slot 27 is larger than the outer diameter of the three-phase blade 3. By making the inner diameter of the closing conductive groove 27 larger than the outer diameter of the three-phase knife 3, the three-phase knife 3 can enter the closing conductive groove 27 more smoothly to contact with the grounding conductor 28, and the operation safety and the reliability of grounding connection are improved.
In this embodiment, a limiting groove 35 is formed in the female baffle 29, a spring mounting seat 37 is mounted in the limiting groove 35 of the female baffle 29, a spring 38 is mounted at one end, far away from the female baffle 37, of the spring mounting seat 37, and a buffer plate 36 is mounted at one end, far away from the spring mounting seat 37, of the spring 38. Through installing spring 38 in female baffle realization son baffle 26 can be buffered by spring 38 after entering into the spacing groove 35 in the female baffle 29 and contacting the buffer plate 36 of installing on the spring, realize that son baffle 26 can steadily enter into in the female baffle 29 and realize son baffle 26 and female baffle 29 closure, realized blockking three-phase knife 3, realize the ground connection disconnection, realized safe switching and line maintenance, avoid the mistake to coincide knife operation, the effectual emergence that prevents the line short-circuit accident.
In this embodiment, the inner diameter of the limiting groove 35 is larger than the outer diameter of the sub-baffle 26.
In this embodiment, the upper end of the grounding box 1 is provided with the extruding plate mounting seat 12, the extruding plate mounting seat 12 is mounted on the moving path of the three-phase knife 3, the extruding plate mounting seat 12 is provided with the chute 13, the extruding plate 14 is mounted on the chute 13 through the pulley 18, the upper end of the extruding plate mounting seat 12 is provided with the contact module 19, the extruding plate 14 is symmetrically arranged on the extruding plate mounting seat 12 relative to the contact module 19, the extruding plate mounting seat 12 is provided with the first signal transmitting module 15, the first signal receiving module 17 and the motor 16, the first signal transmitting module 15 is electrically connected with the contact module 19, the first signal transmitting module 15 is electrically connected with the first motor 16, the contact module 19 is used for transmitting the contact signal to the three-phase knife 3 to the first signal transmitting module 15, the first signal transmitting module 15 is used for transmitting the contact signal to the processor 8, and the first signal receiving module 17 is used for receiving the motor energizing signal from the processor 8. When the voltage detection module 7 detects that the low-voltage main circuit does not have a voltage value currently, no voltage is displayed through the voltage display screen, at the moment, the three-phase knife 3 is lifted and moved to the extrusion plate mounting seat 12, after the three-phase knife 3 is contacted with the contact module 19, the first signal transmission module 15 transmits a contact signal to the processor 8, the processor 8 transmits an energizing signal of the first motor 16 to the first signal receiving module 17, the first signal receiving module 17 transmits the energizing signal of the first motor 16 to realize energizing work of the first motor 16, the first motor 16 drives the pulley 18 to move, the extrusion plate 14 extrudes and limits the three-phase knife 3, the knife 3 is fixed on the extrusion plate mounting seat 12, double protection of grounding disconnection is realized, and safety of a grounding box is improved.
In addition to the above preferred embodiments, the present invention has other embodiments, and various changes and modifications may be made by those skilled in the art without departing from the spirit of the invention, which is defined in the appended claims.
Claims (3)
1. The intelligent protection grounding box is characterized in that a voltage detection module for measuring the current voltage value of a low-voltage main line and a voltage display screen for displaying the current voltage value of the low-voltage main line are installed on the grounding box, the intelligent protection grounding box further comprises an infrared probe and an infrared signal transmission module which are used for sensing the approach of a person, and a processor for connecting the voltage detection module and the infrared probe, a three-phase knife is installed on the grounding box through a knife installation seat, a grounding installation plate is installed on the grounding box, a grounding conductor is installed on the grounding installation plate, a closing conductive groove is installed at one end of the grounding conductor far away from the grounding installation plate, an installation plate is symmetrically arranged at the upper end of the grounding installation plate relative to the closing conductive groove, a motor installation seat is installed on the installation plate, a signal receiving module is installed on the motor installation seat, a piston is installed at one end of the motor installation seat far away from the motor installation seat, a piston shaft is installed at one end of the piston shaft far away from the motor installation seat, a baffle is installed at one end of the piston shaft far away from the piston, and the vertical height of the knife installation seat in the vertical direction is greater than the vertical grounding seat in the vertical direction;
the mounting plate comprises a first mounting plate and a second mounting plate, a second motor mounting seat is mounted at the upper end of the first mounting plate, a second signal receiving module is mounted on the second motor mounting seat, a second motor is mounted on one side of the second motor mounting seat, a first piston is mounted at one end, far away from the second motor, of the second motor mounting seat, a first piston shaft is mounted at one end, far away from the first piston, of the first piston shaft, a sub-baffle is mounted at one end, far away from the first piston, of the first motor mounting seat, a third motor mounting seat is mounted at the upper end of the second mounting plate, a third motor is mounted on one side, far away from the third motor mounting seat, of the third motor, a second piston shaft is mounted on one side, far away from the third motor, of the second piston shaft, and a main baffle is mounted at one end, far away from the second piston, of the second piston shaft;
the second signal receiving module is electrically connected with the processor, and is respectively and electrically connected with the second motor and the third motor, and is used for receiving on-off electric signals of the second motor and the third motor and respectively transmitting the on-off electric signals to the second motor and the third motor; the inner diameter of the closing conductive groove is larger than the outer diameter of the three-phase knife switch;
be equipped with the spacing groove in the female baffle, the spring mount pad is installed to female baffle in the spacing groove, the spring is installed to the one end that the spring mount pad kept away from female baffle, the buffer board is installed to the one end that the spring kept away from the spring mount pad.
2. The grounding box of claim 1, wherein the limiting groove has an inner diameter greater than an outer diameter of the sub-baffle.
3. The grounding box according to claim 1, wherein the grounding box is provided with a squeeze plate mounting seat at the upper end, the squeeze plate mounting seat is mounted on the three-phase knife moving path, a slide groove is formed in the squeeze plate mounting seat, a squeeze plate is mounted on the slide groove through a pulley, a contact module is mounted at the upper end of the squeeze plate mounting seat, the squeeze plate is symmetrically arranged on the squeeze plate mounting seat relative to the contact module, a first signal transmitting module, a first signal receiving module and a motor are mounted on the squeeze plate mounting seat, the first signal transmitting module is electrically connected with the contact module, the first signal transmitting module is electrically connected with the processor, the contact module is used for transmitting a contact signal to the first signal transmitting module, the first signal transmitting module is used for transmitting the contact signal to the processor, and the first signal receiving module is used for receiving a motor energizing signal from the 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107994463A CN107994463A (en) | 2018-05-04 |
| CN107994463B true CN107994463B (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711246479.7A Active CN107994463B (en) | 2017-12-01 | 2017-12-01 | Intelligent protection grounding box with stable grounding |
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| JP2009165253A (en) * | 2007-12-28 | 2009-07-23 | Panasonic Electric Works Co Ltd | Distribution panel |
| 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 |
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| CN107994463A (en) | 2018-05-04 |
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