CN220273585U - Solar power supply device of field monitoring station - Google Patents
Solar power supply device of field monitoring station Download PDFInfo
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- CN220273585U CN220273585U CN202321681744.5U CN202321681744U CN220273585U CN 220273585 U CN220273585 U CN 220273585U CN 202321681744 U CN202321681744 U CN 202321681744U CN 220273585 U CN220273585 U CN 220273585U
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- angle adjusting
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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Abstract
The utility model discloses a solar power supply device of a field monitoring station, which comprises a mounting frame, a height adjusting mechanism, an equipment box, an inclination angle adjusting mechanism and a plurality of solar panels. The solar power supply device of the field monitoring station utilizes the height adjusting mechanism to facilitate the adjustment of the height position of the mounting frame according to the requirements during the field installation; utilize each inclination adjustment unit to adjust the inclination that can adjust each solar cell panel respectively, steering unit adjusts the rotation of drive inclination adjustment unit and thereby adjusts the orientation of each solar cell panel, makes solar cell panel can adapt to different mounted positions, realizes that efficient electric energy conversion charges for the battery, makes the battery can open-air monitoring station power supply.
Description
Technical Field
The utility model relates to a power supply device, in particular to a solar power supply device of a field monitoring station.
Background
Earthquake happens frequently in Xinjiang history, and serious loss is caused to lives and properties of people for countless times. In order to effectively monitor pre-earthquake abnormal information and avoid the interference of external environments on earthquake monitoring, in recent years, a plurality of unattended fixed deformation observation stations and fixed fluid observation stations are established by the earthquake bureau of Xinjiang Uygur autonomous region, and 114 earthquake early-warning reference stations and 70 earthquake early-warning base stations in an earthquake early-warning project also adopt an unattended mode.
Because two thirds of areas in Xinjiang are Gobi desert areas and the land is wide, the traditional power grid is extremely high in cost, the power supply cannot meet the requirements of on-site work, and the solar photovoltaic power generation has the characteristics of territory and flexibility, so that the contradiction can be well solved; according to meteorological data, the Chinese solar energy resources are rich, the annual average radiation received by Liu Demian products can reach 3300-8400MJ/m < 2 >, the solar energy is mainly concentrated in northwest regions, the regions with extremely rich solar energy comprise the great part of Tibet, the south of Xinjiang and the western parts of Qinghai, gansu and inner Mongolia, the annual average solar radiation quantity of the regions is more than 6800MJ/m < 2 >, and the solar energy resource utilization is the optimal region.
Disclosure of Invention
The utility model aims to: the solar power supply device of the field monitoring station can supply power for the field monitoring station and adapt to different installation environments.
The technical scheme is as follows: the utility model provides a solar power supply device of a field monitoring station, which comprises a mounting frame, a height adjusting mechanism, an equipment box, an inclination angle adjusting mechanism and a plurality of solar panels, wherein the mounting frame is arranged on the mounting frame; the inclination angle adjusting mechanism comprises a steering unit and a plurality of inclination angle adjusting units; the height adjusting mechanism and the steering unit are both arranged on the mounting frame, and the height position of the mounting frame is adjusted by the height adjusting mechanism; each inclination angle adjusting unit is arranged on the steering unit, each solar panel is arranged by each inclination angle adjusting unit, the pitch angle of each solar panel is adjusted, and the steering unit drives each inclination angle adjusting unit to rotate so as to adjust the orientation of each solar panel; the equipment box is arranged on the adjusting installation frame, a controller, a memory, a wireless communication module and a storage battery are arranged in the equipment box, the memory and the wireless communication module are electrically connected with the controller, and the storage battery supplies power for the memory, the controller, the steering unit and the wireless communication module; the solar panel charges the storage battery; the steering unit is driven and controlled by a controller.
Further, the height adjustment mechanism includes four height adjustment branches; the upper ends of the four height-adjusting branches are respectively fixed at four top angles of the mounting frame, and the length of the height-adjusting branches is adjustable.
Further, the equipment box comprises a box body, a box cover and a locking mechanism; the box body is fixed on the mounting frame; four sliding rods which are vertically and slidably arranged on the inner wall of the box body are fixed on the box cover; the locking mechanism is arranged on the box cover and used for locking the box cover at a window on the lower side wall of the box body; the four sliding rods are provided with a circuit board and a commodity shelf; the storage battery is arranged on the storage rack; the controller, the memory and the wireless communication module are all arranged on the circuit board.
Further, a wiring pipe is penetratingly installed on the case cover.
Further, the locking mechanism comprises two locking bars and two return springs; the two lock rods are both slidably arranged on the upper side surface of the box cover; an unlocking handle is rotatably arranged on the box cover in a penetrating way; the unlocking handle drives the two lock rods to move simultaneously through the gear rack pair; two locking holes are arranged on the inner wall of the box body; the two return springs are used for driving the other ends of the two lock rods to be respectively inserted into the two locking holes.
Further, the device also comprises a handle protection mechanism; the handle protection mechanism is arranged on the lower side surface of the box cover, and the unlocking handle is positioned in the handle protection mechanism.
Further, a slope surface for extruding the lower edge of the box body is arranged on the inserting end of the lock rod.
Further, the inclination angle adjusting unit comprises an installation backboard, an inclination angle adjusting rod and an adjusting sliding sleeve; the lower end of the dip angle adjusting rod is fixed on the steering unit, and the upper end of the dip angle adjusting rod is hinged on the lower side surface of the mounting backboard; the adjusting sliding sleeve is adjustably arranged on the dip angle adjusting rod; one end of the hinging rod is hinged on the adjusting sliding sleeve, and the other end of the hinging rod is hinged on the lower side surface of the mounting backboard; the solar cell panel is mounted on the upper side of the mounting back plate.
Further, the steering unit comprises a steering motor, an orientation adjusting rod and a plurality of rotating seats; each rotating seat is rotatably arranged on the mounting frame through a rotating shaft; each inclination angle adjusting unit is respectively arranged on each rotating seat; the direction adjusting rod is rotatably arranged on the mounting frame, and each rotating shaft is respectively driven to rotate through a plurality of groups of worm gear pairs; the steering motor is used for driving the steering rod to rotate and is electrically connected with the controller.
Compared with the prior art, the utility model has the beneficial effects that: the height adjusting mechanism is utilized to facilitate the adjustment of the height position of the mounting frame according to the requirements during the field installation; the inclination angles of the solar panels can be respectively adjusted by utilizing the adjustment of the inclination angle adjusting units, and the steering unit is used for adjusting and driving the inclination angle adjusting units to rotate so as to adjust the orientation of the solar panels, so that the solar panels can adapt to different installation environments, the efficient conversion of electric energy into storage battery charging is realized, and the storage battery can supply power for a field monitoring station; the voltage acquisition circuit is used for conveniently monitoring the electric quantity of the storage battery in real time by the controller, and the electric quantity information is uploaded to the remote control center through the wireless communication module, so that the remote control center can conveniently monitor the electric quantity.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a top view of the door of the present utility model;
FIG. 3 is a partial cross-sectional view of the mounting bracket of the present utility model;
FIG. 4 is a schematic circuit diagram of the present utility model;
in the figure: 1. a mounting frame; 2. a case; 3. a case cover; 4. a sliding rod; 5. a limit guide groove; 6. a commodity shelf; 7. a circuit board; 8. a baffle; 9. a wiring tube; 10. a guide seat; 11. a slope surface; 12. a lock lever; 13. a drive box; 14. unlocking the gear; 15. unlocking the rack; 16. a return spring; 17. a support plate; 18. a height-adjusting sleeve; 19. a height adjusting lever; 20. an adjustment aperture; 21. a locking bolt; 22. a rotating seat; 23. an angle locking bolt; 24. adjusting the sliding sleeve; 25. a tilt angle adjusting lever; 26. inclination angle adjusting holes; 27. a hinge rod; 28. mounting a backboard; 29. a steering motor; 30. a solar cell panel; 31. an orientation adjustment worm; 32. an orientation adjustment worm wheel; 33. orientation adjusting rod; 34. a mounting cavity; 35. a surrounding baffle; 36; a door lock.
Detailed Description
The technical scheme of the present utility model will be described in detail with reference to the accompanying drawings, but the scope of the present utility model is not limited to the embodiments.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be understood that the terms "left", "right", "front", "rear", "upper", "lower", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Example 1:
as shown in fig. 1 to 4, the solar power supply device of the field monitoring station provided by the utility model comprises: a mounting frame 1, a height adjusting mechanism, an equipment box, an inclination adjusting mechanism, and a plurality of solar panels 30; the inclination angle adjusting mechanism comprises a steering unit and a plurality of inclination angle adjusting units;
the height adjusting mechanism is arranged on the mounting frame 1 and is used for adjusting the height position of the mounting frame 1; the steering units are arranged on the mounting frame 1, the lower ends of the inclination angle adjusting units are arranged on the steering units, the solar panels 30 are respectively arranged on the upper ends of the inclination angle adjusting units, the inclination angles of the solar panels 30 are adjusted by the inclination angle adjusting units, and the steering units drive the inclination angle adjusting units to rotate; the equipment box is arranged on the adjusting installation frame 1, a controller, a memory, a wireless communication module and a storage battery are arranged in the equipment box, the memory and the wireless communication module are electrically connected with the controller, and the storage battery supplies power for the memory, the controller, the steering unit and the wireless communication module; the solar panel 30 charges the storage battery through the solar power generation circuit; the steering unit is driven and controlled by the controller; the controller is electrically connected with the storage battery through a voltage acquisition circuit.
The height adjusting mechanism is utilized to facilitate the adjustment of the height position of the mounting frame 1 according to the requirements during the field installation; the inclination angles of the solar panels 30 can be respectively adjusted by utilizing the adjustment of the inclination angle adjusting units, and the steering unit is used for adjusting and driving the inclination angle adjusting units to rotate so as to adjust the orientation of the solar panels 30, so that the solar panels 30 can adapt to different installation environments, efficient conversion of electric energy into storage battery charge is realized, and the storage battery can supply power for a field monitoring station; the controller is convenient to monitor the electric quantity of the storage battery in real time by utilizing the voltage acquisition circuit, a preset electric quantity threshold value is stored in the storage, the controller compares the detected electric quantity with the electric quantity threshold value, and when the controller judges that the detected electric quantity is lower than the electric quantity threshold value, a signal is sent to the remote control center through the wireless communication module, so that the remote control center can monitor the electric quantity conveniently.
Further, the height adjustment mechanism includes four height adjustment branches; the height adjustment branch comprises a height adjustment lever 19 and a height adjustment sleeve 18; the upper ends of the height adjusting rods 19 of the four height adjusting branches are respectively fixed at four vertex angles of the lower side surface of the mounting frame 1, and the lower ends of the four height adjusting branches are respectively inserted into the height adjusting sleeves 18; a plurality of adjusting holes 20 are arranged on the height adjusting rod 19 at intervals; a height locking bolt 21 with an end inserted into one of the adjusting holes 20 is screwed at the upper pipe orifice of the height adjusting sleeve 18; a support plate 17 is mounted on the lower end of the height-adjusting sleeve 18.
The height locking bolts 21 are inserted into the adjusting holes 20, so that the length of the adjusting rod 19 extending out of the height adjusting sleeve 18 is adjusted, and the height of the four top angles of the mounting frame 1 can be adjusted to adapt to different mounting environments.
Further, the equipment box comprises a box body 2, a box cover 3, a storage rack 6 and a locking mechanism; the box body 2 is fixed on the lower side surface of the mounting frame 1; sliding rods 4 are arranged at four vertex angles of the upper side surface of the box cover 3; a limit guide groove 5 is vertically arranged on the sliding rod 4; a limit guide block matched with the limit guide groove 5 is arranged on the inner wall of the box body 2; the locking mechanism is arranged on the box cover 3 and used for locking the box cover 3 at a window on the lower side wall of the box body 2; four top angles of the commodity shelf 6 are respectively fixed on the four sliding rods 4; the storage battery is arranged on the storage rack 6; a circuit board 7 is arranged on the four sliding rods 4; the controller, the memory and the wireless communication module are all arranged on the circuit board 7. The window of the box body 2 is positioned at the lower side, so that the equipment box has a good waterproof effect; the storage battery is conveniently placed by utilizing the sliding rod 4 and the storage rack 6, and the installation position is reserved for the locking mechanism; the locking mechanism is used for locking the box cover 3 at a window on the lower side wall of the box body 2, so that the installation reliability of the box cover 3 is improved; the box cover 3 is limited by utilizing the cooperation between the limiting guide groove 5 and the limiting guide block, so that the box cover 3 is prevented from falling directly after the locking mechanism is unlocked.
Further, a wiring pipe 9 is penetratingly mounted on the cover 3. Routing is facilitated by means of routing tubes 9.
Further, the latch mechanism includes a driving box 13, an unlocking gear 14, two lock bars 12, and two return springs 16; the drive box 13 is mounted on the upper side of the box cover 3; two opposite edges of the upper side surface of the case cover 3 are respectively provided with a guide seat 10; one end of each lock rod 12 extends into the driving box 13, and the other end of each lock rod penetrates through the two guide seats 10; an unlocking rack 15 is arranged on the extending end of the locking rod 12; the unlocking gear 14 is rotatably arranged in the driving box 13 and meshed with two unlocking racks 15; two locking holes are arranged on the lower edge of the inner wall of the box body 2; the two return springs 16 are respectively and elastically supported between the extending ends of the two lock rods 12 and the inner wall of the driving box 13, and are used for driving the extending ends of the two lock rods 12 to be respectively inserted into the two locking holes; an unlocking handle is rotatably installed on the case cover 3 in a penetrating manner, and the upper end of the unlocking handle is coaxially fixed on the unlocking gear 14.
The unlocking gear 14, the two lock rods 12, the two unlocking racks 15 and the two return springs 16 are utilized to lock and unlock the box cover 3, the penetrating ends of the two lock rods 12 are inserted into the two locking holes under the driving of the return springs 16, when the box cover 3 needs to be unlocked, the unlocking handle is screwed to enable the unlocking gear 14 to rotate, the two unlocking racks 15 are driven to move, the two lock rods 12 are driven to move by the unlocking racks 15, and the end parts of the lock rods 12 are separated from the locking holes to unlock.
Further, the device also comprises a handle protection mechanism; the handle protection mechanism comprises a surrounding baffle 35 and a baffle 8; the lower end of the unlocking handle is positioned in the enclosure 35; a baffle plate 8 for closing the opening at the lower side of the enclosure 35 is hinged on the enclosure 35; a door lock 36 for locking to the enclosure 35 is mounted on the baffle 8. The unlocking handle is protected by the surrounding baffle 35, the baffle 8 and the door lock 36, so that only a worker with a key can open the baffle 8 to screw the unlocking handle.
Further, a slope surface 11 for pressing the lower edge of the case 2 is provided on the penetrating end of the lock lever 12. The process of locking the box cover 3 is simplified by utilizing the inclined surface 11, when the box cover 3 is needed to be locked, the box cover 3 is pushed upwards to enable the lower edge of the box body 2 to press the inclined surface 11, the two lock rods 12 retract under the pressing, and when the penetrating ends of the two lock rods 12 reach the locking holes, the penetrating ends of the two lock rods 12 are respectively inserted into the two locking holes under the driving of the two reset springs 16.
Further, the tilt angle adjusting unit comprises a mounting backboard 28, a tilt angle adjusting rod 25, a hinge rod 27 and an adjusting sliding sleeve 24; the lower end of the dip angle adjusting rod 25 is fixed on the steering unit, and the upper end is hinged on the lower side surface of the mounting backboard 28; the adjusting sliding sleeve 24 is sleeved on the dip angle adjusting rod 25 in a sliding manner; one end of the hinging rod 27 is hinged on the adjusting sliding sleeve 24, and the other end is hinged on the lower side surface of the mounting backboard 28; the solar cell panel 30 is mounted on the upper side of the mounting back plate 28; a plurality of inclination adjustment holes 26 are formed in the inclination adjustment rod 25 at intervals; an angle locking bolt 23, which is inserted at the end into one of the inclination angle adjustment holes 26, is screwed onto the adjustment slide 24. The hinge rod 27 drives the mounting backboard 28 to swing by adjusting the height position of the adjusting sliding sleeve 24 on the dip angle adjusting rod 25 until the solar panel 30 reaches a required pitch angle, and then the angle locking bolt 23 is screwed to enable the end part of the angle locking bolt 23 to extend into the corresponding dip angle adjusting hole 26, so that the pitch angle of the solar panel 30 is adjusted.
Further, the steering unit includes a steering motor 29, a direction adjusting lever 33, and a plurality of rotating seats 22; the lower ends of the rotating seats 22 are rotatably arranged on the mounting frame 1 through rotating shafts; the lower ends of the inclination adjusting rods 25 are respectively fixed on the rotating seats 22; a mounting cavity 34 is arranged in the mounting frame 1, and the lower end of each rotating shaft extends into the mounting cavity 34; an orientation adjusting worm wheel 32 is mounted on each rotating shaft; is rotatably mounted in the mounting cavity 34 towards the adjusting lever 33; a plurality of orientation adjustment worms 31 are mounted on the orientation adjustment lever 33, and each orientation adjustment worm 31 is engaged with each orientation adjustment worm wheel 32; the steering motor 29 is used to drive the steering lever 33 to rotate, and is electrically connected to the controller through a motor driving circuit.
The steering motor 29 is used for driving the orientation adjusting rods 33 to rotate under the control of the controller, and each orientation adjusting worm 31 drives each orientation adjusting worm wheel 32 to rotate, so that the rotating seat 22 drives the inclination angle adjusting unit to rotate in a following way, and the orientation of the solar cell panel 30 is adjusted.
In the solar power supply device of the field monitoring station, the controller adopts the existing singlechip control module and is used for realizing coordination control; the steering motor 29 adopts an existing stepping motor, and the motor driving circuit adopts a corresponding stepping motor driving circuit; the memory adopts the existing memory; the wireless communication module adopts the existing wireless communication module; the voltage acquisition circuit adopts the existing voltage acquisition circuit module.
As described above, although the present utility model has been shown and described with reference to certain preferred embodiments, it is not to be construed as limiting the utility model itself. Various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (9)
1. A solar power supply device of a field monitoring station is characterized in that: comprises a mounting frame (1), a height adjusting mechanism, an equipment box, an inclination angle adjusting mechanism and a plurality of solar panels (30); the inclination angle adjusting mechanism comprises a steering unit and a plurality of inclination angle adjusting units; the height adjusting mechanism and the steering unit are both arranged on the mounting frame (1), and the height position of the mounting frame (1) is adjusted by the height adjusting mechanism; each inclination angle adjusting unit is arranged on the steering unit, each solar panel (30) is arranged by each inclination angle adjusting unit, the pitch angle of each solar panel (30) is adjusted, and the steering unit drives each inclination angle adjusting unit to rotate so as to adjust the orientation of each solar panel (30); the equipment box is arranged on the adjusting installation frame (1), a controller, a memory, a wireless communication module and a storage battery are arranged in the equipment box, the memory and the wireless communication module are electrically connected with the controller, and the storage battery supplies power for the memory, the controller, the steering unit and the wireless communication module; the solar panel (30) charges the storage battery; the steering unit is driven and controlled by a controller.
2. The solar powered apparatus of a field monitoring station of claim 1, wherein: the height adjusting mechanism comprises four height adjusting branches; the upper ends of the four height-adjusting branches are respectively fixed at four top angles of the mounting frame (1), and the length of the height-adjusting branches is adjustable.
3. The solar powered apparatus of a field monitoring station of claim 1, wherein: the equipment box comprises a box body (2), a box cover (3) and a locking mechanism; the box body (2) is fixed on the mounting frame (1); four sliding rods (4) which are vertically and slidably arranged on the inner wall of the box body (2) are fixed on the box cover (3); the locking mechanism is arranged on the box cover (3) and used for locking the box cover (3) at a window on the lower side wall of the box body (2); a circuit board (7) and a commodity shelf (6) are arranged on the four sliding rods (4); the storage battery is arranged on the storage rack (6); the controller, the memory and the wireless communication module are all arranged on the circuit board (7).
4. A solar powered apparatus of a field monitoring station as defined in claim 3 wherein: a wiring pipe (9) is installed on the case cover (3) in a penetrating way.
5. A solar powered apparatus of a field monitoring station as defined in claim 3 wherein: the locking mechanism comprises two locking rods (12) and two return springs (16); the two lock rods (12) are both slidably arranged on the upper side surface of the box cover (3); an unlocking handle is rotatably arranged on the box cover (3) in a penetrating way; the unlocking handle drives two lock bars (12) to move simultaneously through a gear rack pair; two locking holes are arranged on the inner wall of the box body (2); the two return springs (16) are used for driving the other ends of the two lock rods (12) to be respectively inserted into the two locking holes.
6. The solar powered apparatus of a field monitoring station of claim 5, wherein: the handle also comprises a handle protection mechanism; the handle protection mechanism is arranged on the lower side surface of the box cover (3), and the unlocking handle is positioned in the handle protection mechanism.
7. The solar powered apparatus of a field monitoring station of claim 5, wherein: the inserting end of the lock rod (12) is provided with a slope surface (11) for extruding the lower edge of the box body (2).
8. The solar powered apparatus of a field monitoring station of claim 1, wherein: the inclination angle adjusting unit comprises a mounting backboard (28), an inclination angle adjusting rod (25) and an adjusting sliding sleeve (24); the lower end of the dip angle adjusting rod (25) is fixed on the steering unit, and the upper end is hinged on the lower side surface of the mounting backboard (28); the adjusting sliding sleeve (24) is adjustably arranged on the dip angle adjusting rod (25); one end of a hinging rod (27) is hinged on the adjusting sliding sleeve (24), and the other end is hinged on the lower side surface of the mounting backboard (28); a solar cell panel (30) is mounted on the upper side of the mounting back plate (28).
9. The solar powered apparatus of a field monitoring station of claim 1, wherein: the steering unit comprises a steering motor (29), a direction adjusting rod (33) and a plurality of rotating seats (22); each rotating seat (22) is rotatably arranged on the mounting frame (1) through a rotating shaft; each inclination angle adjusting unit is respectively arranged on each rotating seat (22); the orientation adjusting rod (33) is rotatably arranged on the mounting frame (1), and each rotating shaft is respectively driven to rotate through a plurality of groups of worm gear pairs; the steering motor (29) is used for driving the steering rod (33) to rotate and is electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321681744.5U CN220273585U (en) | 2023-06-29 | 2023-06-29 | Solar power supply device of field monitoring station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321681744.5U CN220273585U (en) | 2023-06-29 | 2023-06-29 | Solar power supply device of field monitoring station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220273585U true CN220273585U (en) | 2023-12-29 |
Family
ID=89305314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321681744.5U Active CN220273585U (en) | 2023-06-29 | 2023-06-29 | Solar power supply device of field monitoring station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220273585U (en) |
-
2023
- 2023-06-29 CN CN202321681744.5U patent/CN220273585U/en active Active
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