CN109245062B - Automatic isolating device of electric wire netting - Google Patents
Automatic isolating device of electric wire netting Download PDFInfo
- Publication number
- CN109245062B CN109245062B CN201811052074.4A CN201811052074A CN109245062B CN 109245062 B CN109245062 B CN 109245062B CN 201811052074 A CN201811052074 A CN 201811052074A CN 109245062 B CN109245062 B CN 109245062B
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- CN
- China
- Prior art keywords
- plate
- fixedly connected
- rod
- sliding
- movable
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- 238000002955 isolation Methods 0.000 claims description 41
- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- 230000006978 adaptation Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/42—Induction-motor, induced-current, or electrodynamic release mechanisms
- H01H71/43—Electrodynamic release mechanisms
Landscapes
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses an automatic isolating device for a power grid, which comprises an isolating box, wherein a signal receiver and a signal transmitter are respectively arranged at the upper end of the isolating box, the signal receiver and the signal transmitter are symmetrically distributed on longitudinal center axes of the upper end face of the isolating box, a controller is fixedly arranged on a bottom plate in the isolating box, a buzzer alarm is fixedly arranged on a panel where the controller is arranged, a side plate is arranged on one side of the isolating box, a buzzer sounding hole is arranged on one side of the side plate, the buzzer sounding hole is designed in a position matching manner with the buzzer alarm, a cover plate groove is arranged in the middle of the side plate, a cover plate is arranged in the cover plate groove, two fixing blocks are fixedly connected to the upper end of the cover plate.
Description
Technical Field
The invention belongs to the technical field of isolation equipment, and particularly relates to an automatic isolation device for a power grid.
Background
In the new century, smart grids are increasingly important in the status and role of power distribution systems, and are an important component of power distribution systems. The traditional automatic isolating device for the power grid is mainly fixedly installed, can only be assembled on a mounting rod of a specific model, is small in application range, and can only realize isolation outage in daily use, cannot effectively switch on a grading circuit, guarantees normal power supply of a main circuit and has certain limitation in use.
The invention comprises the following steps:
the invention aims to solve the problems and provide an automatic isolating device for a power grid, which solves the problems that the conventional isolating device for the power grid is inconvenient to install in daily use, and can only simply isolate power failure and cannot connect a grading circuit, so that unnecessary loss is caused.
In order to solve the problems, the invention provides a technical scheme that: the utility model provides an automatic isolating device of electric wire netting, includes the isolation box, the isolation box upper end is equipped with signal receiver and signal transmitter respectively, signal receiver and signal transmitter are about the vertical centreline axis symmetric distribution of isolation box up end, fixed mounting has the controller on the isolation box inner bottom plate, fixed mounting has the buzzer siren on the panel at controller place, isolation box one side is equipped with the curb plate, curb plate one side is equipped with buzzing sound hole, buzzing sound hole and buzzer siren position looks adaptation design, the curb plate middle part is equipped with the apron groove, be equipped with the apron in the apron groove, apron upper end fixedly connected with two fixed blocks, two the fixed block lower extreme all is with apron fixed connection, apron and apron groove looks adaptation design, two equal fixedly connected with of fixed block both sides rotates the post, and two fixed block grooves all are equipped with the post groove that rotates, two through rotating the post and rotation groove between fixed block groove that correspond, install the second buckle plate and the buckle is connected with two buckle, the second buckle is connected with the second buckle, and the second buckle is connected with the second buckle.
Preferably, the center position of the upper end of the first locking plate is fixedly connected with a locking post, the locking post penetrates through the second locking plate, the upper end of the locking post is provided with a locking hole, one side of the locking post is provided with a locking buckle, the locking buckle is connected with the locking post through the locking hole, two cable holes are formed in two sides of the isolation box, the two cable holes are symmetrically distributed relative to a transverse center axis of the side face of the isolation box, four fixing plates are fixedly arranged at the lower end of the isolation box, four fixing plates are fixedly connected with fixed clamping plates at the lower end of the fixing plates, movable clamping plates are arranged on a panel where the fixed clamping plates are located, movable clamping plates are fixedly connected with fixed connecting seats, two ends of the fixed connecting seats and the movable connecting seats are respectively provided with a threaded hole, bolts are arranged on one side of the threaded holes, two movable clamping plates are fixedly connected with two movable rods through two bolts, two movable clamping plates are fixedly connected with two movable clamping blocks, and two movable clamping grooves are fixedly connected with the movable clamping plates, and two movable clamping plates are fixedly connected with the movable clamping plates.
Preferably, the mounting plate is fixedly mounted on the side wall inside the isolation box, a motor shell is fixedly mounted on one side of the mounting plate, a carrier plate is fixedly mounted on a bottom plate of the motor shell, a motor and a speed reducer are fixedly mounted on one side of the carrier plate, the motor output end is rotationally connected with the input end of the speed reducer through a driving shaft, the output end of the speed reducer is rotationally connected with a driving shaft, a turbine shell is fixedly mounted on one side of a panel where the motor shell is located, a turbine is arranged in the turbine shell, the middle part of one side of the turbine is rotationally connected with the driving shaft, a circle of rotating gear is arranged on the outer ring of the turbine, a screw rod is arranged on one side of the turbine, a rotating screw is arranged on the outer surface of the screw rod, the screw rod is rotationally connected with the turbine through the rotating screw rod and the rotating gear, a rotating block is fixedly connected with one end of the screw rod, a first wire rod is fixedly connected with one end of the rotating block, one end of the moving plate is fixedly connected with a first contact patch, two connecting posts are fixedly mounted on the other end of the moving plate, and two connecting posts are fixedly mounted on two sides of the moving plate.
Preferably, cylindrical holes are formed in one sides of the first wire guide rod and the moving rod, and the first wire guide rod and the moving rod are connected with the corresponding sliding rod in a sliding mode through the cylindrical holes.
Preferably, a pushing rod is fixedly connected to the center of one side of the moving plate, a second conducting wire rod is fixedly connected to the position, close to the end portion, of the pushing rod, and a second contact patch is fixedly arranged at one end of the second conducting wire rod.
Preferably, the first contact patch and the second contact patch are both in sliding connection with the cable in the isolation box.
Preferably, the lower end of the pushing rod is fixedly provided with a supporting rod, and both sides of the lower end of the supporting rod are fixedly provided with sliding blocks.
Preferably, a chute is formed in the upper end face of the mounting plate below the support rod, sliding cavities matched with the sliding blocks are formed in the inner walls of the two sides of the chute, and the support rod is in sliding connection with the mounting plate through the sliding blocks and the two sliding cavities.
Preferably, the controller is electrically connected with the signal receiver, the signal transmitter and the motor respectively.
The beneficial effects of the invention are as follows:
the invention relates to an automatic isolating device for a power grid, which has the characteristics of convenient installation and simultaneous protection of a power-off isolation circuit and a grading circuit.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the isolation box of the present invention;
FIG. 3 is a schematic view of a movable clamping plate connecting structure according to the present invention;
FIG. 4 is a schematic diagram of a power-off protection connection structure according to the present invention;
FIG. 5 is a schematic view of the internal structure of the motor according to the present invention;
FIG. 6 is a schematic view of the internal structure of the turbine housing of the present invention;
fig. 7 is a schematic view of the structure of the support rod according to the present invention.
In the figure: 1. an isolation box; 2. a signal receiver; 3. a signal transmitter; 4. a controller; 5. a buzzer alarm; 6. buzzing the sound hole; 7. a side plate; 8. a cover plate groove; 9. a fixed block; 10. a cover plate; 11. a first latch plate; 12. a second latch plate; 13. a locking post; 14. locking; 15. a cable hole; 16. a fixing plate; 17. fixing the clamping plate; 18. a movable clamping plate; 19. fixing the connecting seat; 20. a movable connecting seat; 21. a bolt; 22. a screw cap; 23. a movable rod; 24. a movable stop block; 25. a mounting plate; 26. a motor housing; 27. a carrier plate; 28. a motor; 29. a speed reducer; 30. a drive shaft; 31. a driving shaft; 32. a turbine housing; 33. a turbine; 34. rotating the gear; 35. a screw rod; 36. rotating the thread; 37. a rotating block; 38. a moving plate; 39. a first wire rod; 40. a first contact patch; 41. a moving rod; 42. a connecting column; 43. a slide bar; 44. a push rod; 45. a second wire rod; 46. a second contact patch; 47. a support rod; 48. a sliding block.
The specific embodiment is as follows:
as shown in fig. 1-7, the present embodiment adopts the following technical scheme: the utility model provides an automatic isolating device of electric wire netting, including isolation case 1, isolation case 1 upper end is equipped with signal receiver 2 and signal transmitter 3 respectively, signal receiver 2 and signal transmitter 3 are about the vertical centreline axis symmetry distribution of isolation case 1 up end, fixed mounting has controller 4 on the inside bottom plate of isolation case 1, fixed mounting has buzzer siren 5 on the panel that controller 4 is located, isolation case 1 one side is equipped with curb plate 7, curb plate 7 one side is equipped with buzzing sound hole 6, buzzing sound hole 6 and buzzer siren 5 position looks adaptation design, curb plate 7 middle part is equipped with apron groove 8, be equipped with apron 10 in the apron groove 8, apron 10 upper end fixedly connected with two fixed blocks 9, two fixed block 9 lower extreme all is connected with apron 10 looks adaptation design, two fixed block 9 both sides are connected with the rotation post, two fixed block groove and the buckle 9 have the buckle, the buckle is connected with the buckle 13 through the buckle 13 of the buckle, the buckle is connected with the buckle 13 in the second fixed connection of the second end that is equipped with in the buckle 13, the buckle 13 is connected with the buckle 13 through the buckle 13, the buckle is connected with the second end that is equipped with in the buckle 13, the buckle 13 fixed connection between the buckle 13 is equipped with the buckle 13 through the corresponding to the buckle 13, the lock catch 14 is connected with the lock catch column 13 through lock catch holes, two cable holes 15 are respectively formed in two sides of the isolation box 1, the two cable holes 15 are symmetrically distributed with respect to a transverse central axis of the side surface of the isolation box 1, four fixing plates 16 are fixedly installed at the lower ends of the isolation box 1, two movable rods 23 are fixedly connected to the lower ends of the four fixing plates 16, movable clamping plates 18 are arranged on a panel where the fixing clamping plates 17 are located, a fixed connecting seat 19 is fixedly connected to the lower ends of the fixed clamping plates 17, a movable connecting seat 20 is fixedly connected to the lower ends of the movable clamping plates 18, threaded holes are respectively formed in two ends of the fixed connecting seat 19 and the movable connecting seat 20, bolts 21 are respectively arranged on one side of the threaded holes, nuts 22 are respectively and fixedly connected to one ends of the bolts 21, two movable rods 23 are fixedly connected to the upper ends of the movable clamping plates 16, a movable stop 24 is fixedly connected to the upper ends of the movable rods 23, a motor 16 is fixedly connected to the lower ends of the movable clamping plates, a motor 24 is fixedly connected to the movable connecting seat 20, a speed reducer housing 25 is fixedly connected to the lower ends of the movable connecting seat 24, a casing 25 is fixedly connected to the casing 25, a speed reducer housing 29 is fixedly connected to the casing 25, and a casing 25 is fixedly connected to the casing 25, and a speed reducer 26 is fixedly connected to the casing 32 is fixedly connected to the casing 25, and one side of the casing 32 is fixedly connected to the casing 25, and the casing 32 is fixedly connected to the casing 32, the turbine shell 32 is internally provided with a turbine 33, the middle part of one side of the turbine 33 is rotationally connected with the driving shaft 31, the outer ring of the turbine 33 is provided with a circle of rotating gear 34, one side of the turbine 33 is provided with a screw rod 35, the outer surface of the screw rod 35 is provided with rotating threads 36, the screw rod 35 is in transmission connection with the turbine 33 through the rotating threads 36 and the rotating gear 34, one end of the screw rod 35 is fixedly connected with a rotating block 37, one side of the rotating block 37 is provided with a moving plate 38, the rotating block 37 is rotationally connected with the moving plate 38, the middle part of one end of the moving plate 38 is fixedly connected with a first conducting wire rod 39, one end of the first conducting wire rod 39 is fixedly connected with a first contact patch 40, the middle part of the other end of the moving plate 38 is fixedly connected with a moving rod 41, two connecting columns 42 are fixedly arranged on two sides of the moving plate 38, the two connecting columns 42 are fixedly connected through a sliding rod 43, the first conducting rod 39 and the moving rod 41 are provided with cylindrical holes on one side, the first conducting rod 39 and the moving rod 41 are in sliding connection with the corresponding sliding rod 43 through the cylindrical holes, a pushing rod 44 is fixedly connected to the center of one side of the moving plate 38, a second conducting rod 45 is fixedly connected to the pushing rod 44 near the end part, a second contact patch 46 is fixedly arranged at one end of the second conducting rod 45, the first contact patch 40 and the second contact patch 46 are both in sliding connection with a cable in the isolation box 1, a supporting rod 47 is fixedly arranged at the lower end of the pushing rod 44, sliding blocks 48 are fixedly arranged on two sides of the lower end of the supporting rod 47, sliding grooves are formed in the upper end face of the mounting plate 25 below the supporting rod 47, sliding cavities matched with the sliding blocks 48 are formed in the inner walls of two sides of the sliding grooves, the supporting rod 47 is in sliding connection with the mounting plate 25 through the sliding blocks 48 and the two sliding cavities, the controller 4 is electrically connected with the signal receiver 2, the signal transmitter 3 and the motor 28 respectively.
The use state of the invention is as follows: the invention relates to an automatic isolating device for a power grid, which has the characteristics of convenient installation, simultaneous protection of a power-off isolation circuit and a grading circuit, wherein a signal receiver 2 receives an alarm instruction sent by a transformer substation, a signal is transmitted to a controller 4, the controller 4 transmits the signal to a buzzer alarm 5 to start alarming, a motor 28 is started, an input end of a speed reducer 29 is driven to rotate through a driving shaft 30, an output end of the speed reducer 29 drives a driving shaft 31 to rotate, thereby driving a turbine 33 to rotate, a screw rod 35 is driven to rotate, a movable plate 38 is driven by a rotating block 37, grading connection points of a main cable are replaced through a first conducting wire rod 39, a first contact patch 40, a second conducting wire rod 45 and a second contact patch 46, isolation of the damaged cable is further realized, and connection of the grading cable is ensured, so that normal power supply of the main cable is ensured.
While the basic principles and main features of the present invention and advantages of the present invention have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described in the foregoing specification merely illustrate the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an automatic isolating device of electric wire netting, includes isolation box (1), its characterized in that, isolation box (1) upper end is equipped with signal receiver (2) and signal transmitter (3) respectively, signal receiver (2) and signal transmitter (3) are about isolation box (1) up end longitudinal center axis symmetry distribution, fixed mounting has controller (4) on the inside bottom plate of isolation box (1), fixed mounting has buzzer siren (5) on the panel at controller (4) place, isolation box (1) one side is equipped with curb plate (7), curb plate (7) one side is equipped with buzzing sound hole (6), buzzing sound hole (6) and buzzer siren (5) position looks adaptation design, curb plate (7) middle part is equipped with apron groove (8), be equipped with apron (10) in apron groove (8), apron (10) upper end fixedly connected with two fixed blocks (9), two fixed blocks (9) all set up in corresponding fixed block inslot, two fixed block (9) lower extreme and two fixed block (9) are equipped with two fixed connection of rotation post (9) both sides fixed connection groove (9) and two fixed connection post (9), the two fixing blocks (9) are connected with the corresponding fixing block grooves through rotating columns and rotating column grooves, a first locking plate (11) is fixedly arranged at the joint of the side plate (7) and the cover plate (10), an extension plate is fixedly arranged at the joint of the side plate (7) and the cover plate (10), a second locking plate (12) is fixedly arranged at one side of the extension plate, and a second locking plate groove is formed in the position, matched with the second locking plate (12), of the cover plate (10);
the utility model discloses a novel high-strength insulation box, which is characterized in that a lock catch post (13) is fixedly connected with the center position of the upper end of a first lock catch plate (11), the lock catch post (13) passes through a second lock catch plate (12), lock catch holes are formed in the upper end of the lock catch post (13), lock catches (14) are formed in one side of the lock catch post (13), the lock catches (14) are connected with the lock catch post (13) through lock catch holes, two cable holes (15) are formed in two sides of the insulation box (1), two cable holes (15) are symmetrically distributed with respect to the transverse center axis of the side surface of the insulation box (1), four fixing plates (16) are fixedly arranged at the lower end of the insulation box (1), fixing clamping plates (17) are fixedly connected to the lower ends of the fixing plates (16), movable clamping plates (18) are arranged on the panel where the fixing clamping plates (17) are located, fixing clamping plates (19) are fixedly connected with fixing connecting seats (19), movable connecting seats (20) are fixedly connected to the lower ends of the fixing plates, the fixing clamping plates (19) and the movable connecting seats are symmetrically distributed with transverse center axes of the side surfaces of the side of the insulation box (1), four fixing plates are fixedly connected with screw bolts (21) through screw caps, two screw bolts (21) are fixedly connected with one ends of the screw bolts (21), two movable rods (23) are fixedly arranged at the upper ends of the movable clamping plates (18), movable check blocks (24) are fixedly connected to the upper ends of the two movable rods (23), dovetail grooves matched with the two movable rods (23) and the movable check blocks (24) are formed in the lower ends of the fixed plates (16), and the movable clamping plates (18) are in sliding connection with the fixed plates (16) through the movable rods (23), the movable check blocks (24) and the dovetail grooves;
the utility model discloses a motor vehicle isolation box, including motor housing (33), motor housing (26) are fixed mounting on the inside lateral wall of isolation box (1), fixed mounting support plate (27) are installed on motor housing (26) bottom plate, motor (28) and speed reducer (29) are fixed mounting on support plate (27) upper end, motor (28) output is connected with speed reducer (29) input rotation through drive shaft (30), speed reducer (29) output rotates and is connected with driving shaft (31), turbine housing (32) are fixed mounting on one side of the panel that motor housing (26) is located, be equipped with turbine (33) in turbine housing (32), turbine (33) one side middle part and driving shaft (31) rotate and are connected, turbine (33) outer lane is equipped with round rotation gear (34), turbine (33) one side is equipped with lead screw (35), lead screw (35) surface is equipped with rotation screw (36), lead screw (35) are connected with turbine (33) transmission through rotation screw (35) and rotation gear (34), one end fixed connection piece (37) are equipped with rotation piece (37), rotation piece (37) are connected with rotation piece (38), the mobile plate (38) one end middle part fixedly connected with first wire pole (39), first wire pole (39) one end fixedly connected with first contact paster (40), mobile plate (38) other end middle part fixed connection mobile rod (41), two connecting column (42) are all fixed mounting to mobile plate (38) both sides, two through sliding rod (43) fixed connection between connecting column (42).
2. An electrical grid automation isolation device according to claim 1, wherein: cylindrical holes are formed in one sides of the first wire guide rod (39) and the moving rod (41), and the first wire guide rod (39) and the moving rod (41) are connected with the corresponding sliding rod (43) in a sliding mode through the cylindrical holes.
3. An electrical grid automation isolation device according to claim 1, wherein: the center of one side of the movable plate (38) is fixedly connected with a push rod (44), a second conducting wire rod (45) is fixedly connected to the position, close to the end, of the push rod (44), and a second contact patch (46) is fixedly arranged at one end of the second conducting wire rod (45).
4. A grid automation isolation device according to claim 3, wherein: the first contact patch (40) and the second contact patch (46) are both in sliding connection with the cable in the isolation box (1).
5. A grid automation isolation device according to claim 3, wherein: the lower end of the pushing rod (44) is fixedly provided with a supporting rod (47), and both sides of the lower end of the supporting rod (47) are fixedly provided with sliding blocks (48).
6. The grid automation isolation device of claim 5, wherein: the upper end face of the mounting plate (25) below the supporting rod (47) is provided with a sliding groove, sliding cavities matched with the sliding blocks (48) are formed in the inner walls of the two sides of the sliding groove, and the supporting rod (47) is in sliding connection with the mounting plate (25) through the sliding blocks (48) and the two sliding cavities.
7. An electrical grid automation isolation device according to claim 1, wherein: the controller (4) is respectively and electrically connected with the signal receiver (2), the signal transmitter (3) and the motor (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811052074.4A CN109245062B (en) | 2018-09-10 | 2018-09-10 | Automatic isolating device of electric wire netting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811052074.4A CN109245062B (en) | 2018-09-10 | 2018-09-10 | Automatic isolating device of electric wire netting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109245062A CN109245062A (en) | 2019-01-18 |
| CN109245062B true CN109245062B (en) | 2024-01-19 |
Family
ID=65061143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811052074.4A Active CN109245062B (en) | 2018-09-10 | 2018-09-10 | Automatic isolating device of electric wire netting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109245062B (en) |
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| CN205985746U (en) * | 2016-08-25 | 2017-02-22 | 北京臻成伟业标准化技术服务有限公司 | Intelligent power distribution modular structure |
| CN108462072A (en) * | 2018-04-08 | 2018-08-28 | 浙江双鸿新能源科技有限公司 | The protective device of transformer equipment outside a kind of intelligent grid room |
| CN208797570U (en) * | 2018-09-10 | 2019-04-26 | 国网山东省电力公司莱阳市供电公司 | A kind of grid automation isolating device |
-
2018
- 2018-09-10 CN CN201811052074.4A patent/CN109245062B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205038653U (en) * | 2015-09-01 | 2016-02-17 | 武汉为企智造网络科技有限公司 | Electromagnetic type computer antitheft cabinet |
| CN205985746U (en) * | 2016-08-25 | 2017-02-22 | 北京臻成伟业标准化技术服务有限公司 | Intelligent power distribution modular structure |
| CN106297123A (en) * | 2016-09-27 | 2017-01-04 | 火星人视野（北京）教育科技有限公司 | A kind of teaching laser alarm installation |
| CN106370904A (en) * | 2016-11-28 | 2017-02-01 | 国网山东省电力公司济宁供电公司 | Antitheft electric meter and electric meter control system |
| CN108462072A (en) * | 2018-04-08 | 2018-08-28 | 浙江双鸿新能源科技有限公司 | The protective device of transformer equipment outside a kind of intelligent grid room |
| CN208797570U (en) * | 2018-09-10 | 2019-04-26 | 国网山东省电力公司莱阳市供电公司 | A kind of grid automation isolating device |
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| Publication number | Publication date |
|---|---|
| CN109245062A (en) | 2019-01-18 |
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