CN219980198U - New energy monitoring terminal device with good safety protection performance - Google Patents
New energy monitoring terminal device with good safety protection performance Download PDFInfo
- Publication number
- CN219980198U CN219980198U CN202321238034.5U CN202321238034U CN219980198U CN 219980198 U CN219980198 U CN 219980198U CN 202321238034 U CN202321238034 U CN 202321238034U CN 219980198 U CN219980198 U CN 219980198U
- Authority
- CN
- China
- Prior art keywords
- monitoring terminal
- energy monitoring
- new energy
- protective
- threaded rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 69
- 230000004224 protection Effects 0.000 title claims abstract description 44
- 230000001681 protective effect Effects 0.000 claims description 57
- 238000001125 extrusion Methods 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Landscapes
- Patch Boards (AREA)
Abstract
The utility model discloses a new energy monitoring terminal device with good safety protection performance, and particularly relates to the field of monitoring terminals. According to the utility model, the protection outer shell and the protection inner shell are arranged, so that when the top of the protection outer shell is impacted to deform, the protection inner shell is prevented from being damaged along with the deformation of the protection outer shell through the clearance cavity between the protection outer shell and the protection inner shell, and the protection effect on the new energy monitoring terminal body is achieved.
Description
Technical Field
The utility model relates to the technical field of monitoring terminals, in particular to a new energy monitoring terminal device with good safety protection performance.
Background
Along with the high-proportion access of new energy, the control mode of the electric power system is changed from large-capacity centralized control of a large unit to large-scale decentralized control of a small unit, the operation monitoring and control difficulty is greatly increased, the technical research of a new energy monitoring terminal is necessary, the new energy monitoring terminal is a novel intelligent terminal which integrates the traditional industrial technology and the modern Internet of things technology, and the lean management level of a new energy power station can be effectively improved;
the new energy monitoring terminal integrates the functions of protection, measurement and control, anti-islanding, electric energy quality monitoring, protocol conversion, telecontrol and information encryption, simultaneously has the functions of feeding back power station information in real time with a dispatching master station, receiving remote control of switching of a public connection point switch and starting and stopping of an inverter, and realizes the real-time monitoring of the dispatching terminal on a distributed photovoltaic power generation system;
but when in actual use, current monitor terminal casing directly exposes outside, when the impact was met at the casing top, produced deformation and lead to producing the extrusion to monitor terminal's internal part easily and lead to impaired, influence this monitor terminal's result of use, safety protection performance is relatively poor.
Disclosure of Invention
The technical scheme of the utility model aims at the technical problem that the prior art is too single, and provides a solution which is obviously different from the prior art. In order to overcome the defects in the prior art, the utility model provides a new energy monitoring terminal device with good safety protection performance, which solves the problems that the internal devices of the monitoring terminal are easy to be damaged due to extrusion caused by deformation of a shell, the using effect of the monitoring terminal is affected, and the safety protection performance is poor.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a new energy monitoring terminal device that safety protection performance is good, includes guard casing, guard inner shell, new energy monitoring terminal body, mounting panel, guard inner shell sets up in the middle part of guard outer shell, new energy monitoring terminal body sets up in the middle part of guard inner shell, the mounting panel sets up in one side of guard outer shell, guard outer shell and guard inner shell are kept away from one side of mounting panel and are provided with sealing door;
clamping grooves are symmetrically formed in one side, close to the protective outer shell, of the mounting plate, limiting grooves are symmetrically formed in two sides, close to the mounting plate, of the protective outer shell, limiting plates are inserted in the middle of the limiting grooves, two opposite sides of the limiting plates are symmetrically and fixedly connected with clamping blocks, a first threaded rod is arranged on one side, close to the limiting grooves, of the protective inner shell, a worm is arranged in the middle of the first threaded rod, a worm wheel is arranged on one side of the worm, a rotating rod is inserted in the middle of the worm wheel, a fixed extrusion mechanism is arranged at the top of the new energy monitoring terminal body, arc-shaped plates are symmetrically arranged on the upper side and the lower side of the protective inner shell, and fixing blocks are symmetrically and fixedly connected to the upper end and the lower end of one side, close to the limiting grooves, of the new energy monitoring terminal body.
Preferably, the protective housing and the protective inner shell are close to open-ended position fixed connection, the draw-in groove is corresponding with the spacing groove, the inner chamber cross-section shape of draw-in groove is corresponding with the cross-section shape of fixture block, the one end of limiting plate extends to the inside of draw-in groove, the fixture block is with the inner chamber one side looks adaptation of draw-in groove, the cross-section shape of fixture block sets up to right trapezoid, first threaded rod runs through the middle part of limiting plate and with limiting plate threaded connection, the both ends screw thread of first threaded rod is symmetrical, the worm wheel meshes with the worm mutually, one end of dwang extends to one side of protective housing and fixedly connected with rolling disc, the protective housing is close to one side middle part of mounting panel and sets up flutedly, the middle part of recess is provided with the elastic plate, one side fixedly connected with roof of elastic plate, roof and recess looks adaptation, the wall body of roof is laminated with the wall body of mounting panel, fixed extrusion mechanism is including the standing groove of seting up at the protective inner shell inner chamber top, the middle part of standing groove is provided with the second threaded rod, the one end fixedly connected with carousel of second threaded rod, the bottom of second threaded rod is provided with the second threaded rod, the second threaded rod's bottom is provided with the second threaded rod's top connection, the second threaded rod's top is provided with the terminal connection top of the movable support rod, the terminal body is equipped with the bottom of the base of the movable support rod.
The utility model has the technical effects and advantages that:
1. according to the utility model, when the top of the protective shell is impacted to deform, the protective inner shell can be prevented from being deformed and damaged along with the protective shell through the clearance cavity between the protective shell and the protective inner shell, so that the protective effect on the new energy monitoring terminal body is achieved, and when the top of the protective shell is slightly impacted through the arc plate, the buffer effect can be achieved, the vibration of the protective shell is prevented from being transmitted to the inside of the new energy monitoring terminal body, the protective effect is further achieved, and the safety protection performance is improved;
2. according to the utility model, the new energy monitoring terminal body can be fixed through the fixed extrusion mechanism, so that the new energy monitoring terminal body is prevented from shaking when being installed in the protective inner shell, the using effect is improved, the limiting plate is controlled in sequence through the rotating disc to drive the clamping block to move in the clamping groove, the protective outer shell can be conveniently installed on the mounting plate, the installation and fixation strength is improved, the new energy monitoring terminal body is convenient to detach, overhaul and replace, and the using effect is improved;
in conclusion, through the mutual influence of a plurality of effects, the safety protection performance of the new energy monitoring terminal body can be improved, the new energy monitoring terminal body is prevented from being extruded when being deformed due to the impact of the shell, the damage is caused, the disassembly and the assembly are convenient, the fixing strength is improved, and the use effect is improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of a partial enlarged structure at a in fig. 1 according to the present utility model.
Fig. 3 is a schematic view of a partial enlarged structure at B in fig. 1 according to the present utility model.
Fig. 4 is a schematic structural view of the limiting plate and the supporting rod of the present utility model.
The reference numerals are: 1. a protective housing; 2. a protective inner shell; 3. a new energy monitoring terminal body; 4. sealing the door; 5. a mounting plate; 6. a clamping groove; 7. an arc-shaped plate; 8. a fixed block; 9. a limit groove; 10. a limiting plate; 11. a clamping block; 12. a first threaded rod; 13. a worm; 14. a worm wheel; 15. a rotating lever; 16. a groove; 17. an elastic plate; 18. a top plate; 19. a placement groove; 20. a second threaded rod; 21. moving the slide block; 22. a support rod; 23. an extrusion plate; 24. a connecting seat; 25. a turntable.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The new energy monitoring terminal device with good safety protection performance as shown in the attached figures 1-4 comprises a protection outer shell 1, a protection inner shell 2, a new energy monitoring terminal body 3 and a mounting plate 5, wherein the protection inner shell 2 is arranged in the middle of the protection outer shell 1, the new energy monitoring terminal body 3 is arranged in the middle of the protection inner shell 2, the mounting plate 5 is arranged on one side of the protection outer shell 1, and a sealing door 4 is arranged on one side, far away from the mounting plate 5, of the protection outer shell 1 and the protection inner shell 2;
clamping grooves 6 are symmetrically formed in one side, close to the protective outer shell 1, of the mounting plate 5, limiting grooves 9 are symmetrically formed in two sides, close to the mounting plate 5, of the protective outer shell 1, limiting plates 10 are inserted in the middle of the limiting grooves 9, clamping blocks 11 are symmetrically and fixedly connected to one side, close to the limiting grooves 9, of the protective inner shell 2, a first threaded rod 12 is arranged on one side, close to the limiting grooves 9, of the protective inner shell 2, a worm 13 is arranged in the middle of the first threaded rod 12, a worm wheel 14 is arranged on one side, a rotating rod 15 is inserted in the middle of the worm wheel 14, fixed extrusion mechanisms are arranged at the top of the new energy monitoring terminal body 3, arc-shaped plates 7 are symmetrically arranged on the upper side and the lower side, close to the limiting grooves 9, of the new energy monitoring terminal body 3, of the protective inner shell 2, and fixing blocks 8 are symmetrically and fixedly connected to the upper end and the lower end of the side, close to the limiting grooves 9.
As shown in fig. 1-4, the protective outer shell 1 and the protective inner shell 2 are fixedly connected near the opening, the clamping groove 6 corresponds to the limiting groove 9, the cross section of the inner cavity of the clamping groove 6 corresponds to the cross section of the clamping block 11, one end of the limiting plate 10 extends to the inside of the clamping groove 6, the clamping block 11 is matched with one side of the inner cavity of the clamping groove 6, the cross section of the clamping block 11 is set to be right trapezoid, the first threaded rod 12 penetrates through the middle part of the limiting plate 10 and is in threaded connection with the limiting plate 10, threads at two ends of the first threaded rod 12 are symmetrical, the worm wheel 14 is meshed with the worm 13, one end of the rotating rod 15 extends to one side of the protective outer shell 1 and is fixedly connected with the rotating disc, the middle part of one side of the protective outer shell 1 near the mounting plate 5 is provided with a groove 16, the middle part of the groove 16 is provided with an elastic plate 17, one side of the elastic plate 17 is fixedly connected with a top plate 18, the top plate 18 is matched with the groove 16, the wall body of the top plate 18 is jointed with the wall body of the mounting plate 5, the fixed extrusion mechanism comprises a placing groove 19 arranged at the top of the inner cavity of the protective inner shell 2, a second threaded rod 20 is arranged in the middle of the placing groove 19, one end of the second threaded rod 20 is fixedly connected with a rotary table 25, an extrusion plate 23 is arranged at the bottom of the second threaded rod 20, threads at two ends of the second threaded rod 20 are symmetrical, two movable sliding blocks 21 are symmetrically sleeved in the middle of the second threaded rod 20, the lower ends of the movable sliding blocks 21 are rotationally connected with supporting rods 22, one end of each supporting rod 22 is rotationally connected with a connecting seat 24, the connecting seats 24 are fixed at two sides of the top of the extrusion plate 23, the bottom wall body of the extrusion plate 23 is provided with a buffer cushion, the bottom wall body of the extrusion plate 23 is jointed with the top wall body of the new energy monitoring terminal body 3, so that the new energy monitoring terminal body 3 can be safely protected through the arranged protective outer shell 1 and the protective inner shell 2, the protection effect is improved, and when the top or the bottom of the protective outer shell 1 is impacted to generate vibration through the arranged arc-shaped plate 7, the arc-shaped plate 7 is extruded first, the influence of force transmission to the surface of the protective inner shell 2 on the new energy monitoring terminal body 3 is avoided, and the protection effect is enhanced;
the second threaded rod 20 is controlled to rotate through the rotating turntable 25, so that the movable sliding block 21 can horizontally move, the supporting rod 22 is controlled to push the extruding plate 23 until the extruding plate 23 extrudes the top wall body of the new energy monitoring terminal body 3, the new energy monitoring terminal body 3 is fixed, the new energy monitoring terminal body 3 is prevented from shaking in the protective inner shell 2, and the use effect is improved;
the limiting plates 10 drive the clamping blocks 11 to be inserted into the clamping grooves 6, the rotating disc is rotated to control the worm wheel 14 to rotate through the rotating rod 15, the first threaded rod 12 can be controlled to rotate through the worm 13, the two limiting plates 10 are driven to move to the opposite sides, the clamping blocks 11 are driven to move and be inserted into the clamping grooves 6 until the mounting plate 5 generates extrusion force on the protective shell 1, the top plate 18 is extruded until the wall body of the protective shell 1 is attached to the wall body of the mounting plate 5, and therefore the mounting and fixing strength of the protective shell 1 is improved, and the use effect is improved;
the new energy monitoring terminal body 3 integrates protection, measurement and control, anti-islanding, electric energy quality monitoring, protocol conversion, telecontrol and information encryption functions, simultaneously has the functions of feeding back power station information in real time with a dispatching master station, receiving remote control of public connection point switch switching and starting and stopping of an inverter, realizing the real-time monitoring of a distributed photovoltaic power generation system by a dispatching end, and has the functions of protocol conversion, telecontrol and information encryption, so that a communication bridge is established between an operation monitoring master station or the dispatching master station and distributed power supply equipment to play a role in starting and stopping, and in addition, the software and hardware platform of the device is designed with an open interface and an expansion margin, so that future expansion and technical upgrading are facilitated, and longer effective service life cycle of the device is ensured;
meanwhile, the terminal integrates the functions of 4G/5G communication, encryption, AGC/AVC and remote control, is connected with a dispatching/power utilization main station or an operation and maintenance platform, various messages can be uploaded to the corresponding main station in an encryption mode, and supports responding to control and power regulation instructions issued by the main station, so that remote control of a switch and remote regulation of power generation are realized, and the requirements of grid-connected distributed photovoltaic, whole county photovoltaic access power grid regulation centers, power utilization information acquisition main stations with different voltage levels such as low voltage 220V/380V, medium voltage 10kV, high voltage 35kV and the like can be met;
the terminal is provided with a data protection program, the protection program judges whether the terminal enters a normal operation program or a fault calculation program according to the collected analog quantity and switching quantity information and device hardware self-detection and external abnormal condition detection in each sampling period, the normal operation program comprises the functions of state monitoring, data preprocessing and the like, the fault calculation program carries out algorithm calculation of various protections, trip logic judgment and the like, when the device hardware self-detection is in error, a device locking signal is sent out, a device is locked at the same time, and protection is stopped, so that the terminal is in the prior art and is not excessively described.
The working principle of the utility model is as follows: when the novel energy monitoring terminal is used, the novel energy monitoring terminal body 3 is installed and placed in the protective inner shell 2, the novel energy monitoring terminal body 3 can be protected through the protective outer shell 1 and the protective inner shell 2, the placement safety of the novel energy monitoring terminal body 3 is improved, then the rotary table 25 is rotated to sequentially control the extruding plate 23 to extrude the top of the novel energy monitoring terminal body 3, and the position of the novel energy monitoring terminal body 3 can be fixed;
then the sealing door 4 is closed, the mounting plate 5 is mounted at a preset position through bolts, the limiting plate 10 drives the clamping block 11 to be inserted into the clamping groove 6, then the rotating disc is rotated to control the rotating rod 15 to rotate, and the limiting plate 10 is sequentially controlled to drive the clamping block 11 to move to the opposite side until the mounting plate 5 extrudes the top plate 18, so that the mounting plate 5 is attached to the wall body of the protective shell 1, and the mounting and fixing of the protective shell 1 can be completed;
when the top of the protective housing 1 is impacted to generate the dent to be damaged, the arc-shaped plate 7 can be extruded, so that the new energy monitoring terminal body 3 is prevented from being impacted and extruded directly, the protection effect is further played, the safety protection performance of the new energy monitoring terminal body 3 is improved, and the use effect is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. The utility model provides a new energy monitoring terminal device that safety protection performance is good, includes guard casing (1), guard inner shell (2), new energy monitoring terminal body (3), mounting panel (5), guard inner shell (2) set up the middle part at guard inner shell (1), new energy monitoring terminal body (3) set up the middle part at guard inner shell (2), mounting panel (5) set up one side at guard inner shell (1), its characterized in that: a sealing door (4) is arranged at one side of the protective outer shell (1) and one side of the protective inner shell (2) far away from the mounting plate (5);
clamping grooves (6) are symmetrically formed in one side, close to the protective shell (1), of the mounting plate (5), limiting grooves (9) are symmetrically formed in two sides, close to the mounting plate (5), of the protective shell (1), limiting plates (10) are inserted in the middle of the limiting grooves (9), and clamping blocks (11) are symmetrically and fixedly connected to the opposite sides of the two limiting plates (10);
a first threaded rod (12) is arranged on one side, close to the limit groove (9), of the protective inner shell (2), a worm (13) is arranged in the middle of the first threaded rod (12), a worm wheel (14) is arranged on one side of the worm (13), and a rotating rod (15) is inserted in the middle of the worm wheel (14);
the novel energy monitoring terminal comprises a novel energy monitoring terminal body (3), wherein a fixed extrusion mechanism is arranged at the top of the novel energy monitoring terminal body (3), arc plates (7) are symmetrically arranged on the upper side and the lower side of a protective inner shell (2), and fixing blocks (8) are symmetrically and fixedly connected to the upper end and the lower end of one side, close to a limiting groove (9), of the novel energy monitoring terminal body (3).
2. The new energy monitoring terminal device with good safety protection performance according to claim 1, wherein: the protective outer shell (1) is fixedly connected with the protective inner shell (2) at a position close to the opening, the clamping groove (6) corresponds to the limiting groove (9), and the cross section of the inner cavity of the clamping groove (6) corresponds to the cross section of the clamping block (11).
3. The new energy monitoring terminal device with good safety protection performance according to claim 1, wherein: one end of the limiting plate (10) extends to the inside of the clamping groove (6), the clamping block (11) is matched with one side of the inner cavity of the clamping groove (6), and the cross section of the clamping block (11) is in a right trapezoid shape.
4. The new energy monitoring terminal device with good safety protection performance according to claim 1, wherein: the first threaded rod (12) penetrates through the middle of the limiting plate (10) and is in threaded connection with the limiting plate (10), threads at two ends of the first threaded rod (12) are symmetrical, the worm wheel (14) is meshed with the worm (13), and one end of the rotating rod (15) extends to one side of the protective shell (1) and is fixedly connected with a rotating disc.
5. The new energy monitoring terminal device with good safety protection performance according to claim 1, wherein: the protective housing (1) is close to one side middle part of mounting panel (5) and has seted up recess (16), the middle part of recess (16) is provided with elastic plate (17), one side fixedly connected with roof (18) of elastic plate (17), roof (18) and recess (16) looks adaptation, the wall of roof (18) is laminated with the wall of mounting panel (5).
6. The new energy monitoring terminal device with good safety protection performance according to claim 1, wherein: the fixed extrusion mechanism comprises a placing groove (19) formed in the top of an inner cavity of the protective inner shell (2), a second threaded rod (20) is arranged in the middle of the placing groove (19), one end of the second threaded rod (20) is fixedly connected with a rotary table (25), and an extrusion plate (23) is arranged at the bottom of the second threaded rod (20).
7. The new energy monitoring terminal device with good safety protection performance according to claim 6, wherein: the utility model discloses a novel energy monitoring terminal, including second threaded rod (20), connecting seat (24), bottom wall body and new energy monitoring terminal body (3) of extrusion plate (23), the both ends screw thread symmetry of second threaded rod (20), the middle part symmetry cover of second threaded rod (20) is equipped with two removal slider (21), the low end rotation of removal slider (21) is connected with bracing piece (22), the one end rotation of bracing piece (22) is connected with connecting seat (24), connecting seat (24) are fixed in the top both sides of extrusion plate (23), the bottom wall body of extrusion plate (23) is provided with the blotter, the bottom wall body of extrusion plate (23) laminates with the top wall body of new energy monitoring terminal body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321238034.5U CN219980198U (en) | 2023-05-22 | 2023-05-22 | New energy monitoring terminal device with good safety protection performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321238034.5U CN219980198U (en) | 2023-05-22 | 2023-05-22 | New energy monitoring terminal device with good safety protection performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219980198U true CN219980198U (en) | 2023-11-07 |
Family
ID=88595322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321238034.5U Active CN219980198U (en) | 2023-05-22 | 2023-05-22 | New energy monitoring terminal device with good safety protection performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219980198U (en) |
-
2023
- 2023-05-22 CN CN202321238034.5U patent/CN219980198U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219980198U (en) | New energy monitoring terminal device with good safety protection performance | |
| CN217582372U (en) | New forms of energy electric power monitoring devices | |
| CN215060810U (en) | Micro-grid energy coordination monitoring device | |
| CN213906003U (en) | Switch cabinet convenient to overhaul | |
| CN213636795U (en) | 6 KV outdoor power distribution device | |
| CN107941162A (en) | A kind of deformation detecting device of OCS and pantograph | |
| CN211829591U (en) | Control cabinet for electric power engineering | |
| CN209823159U (en) | Novel central signal screen | |
| CN112767701A (en) | Monitoring equipment for overload treatment of road | |
| CN219943741U (en) | AC/DC distribution network monitoring equipment | |
| CN214154444U (en) | Distributed photovoltaic power station monitoring cabinet | |
| CN219393305U (en) | Photovoltaic miniature circuit breaker | |
| CN218409090U (en) | Video monitoring device for power transmission line | |
| CN215462537U (en) | A fluid off-line filter equipment for wind generating set | |
| CN220399562U (en) | Electric power monitor based on little electric wire netting | |
| CN220472824U (en) | SVG temperature monitoring equipment convenient to overhaul | |
| CN219739663U (en) | Mounting structure of electric element inside switch cabinet | |
| CN219554356U (en) | Improved pressure release mechanism of low-voltage distribution equipment | |
| CN219655660U (en) | Smart power grids supervisory equipment | |
| CN117269702B (en) | New energy power on-line monitoring device | |
| CN220673213U (en) | Auxiliary device for inspection maintenance of transformer substation | |
| CN219590711U (en) | Electrical control device based on Internet of things | |
| CN216904320U (en) | Distributed AC/DC power supply complete device | |
| CN219477360U (en) | Household grid-connected box | |
| CN213065233U (en) | Safety power consumption on-line monitoring and early warning system of power transmission and transformation equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |