CN219041177U - Intelligent remote information acquisition device for alternating-current low-voltage power distribution - Google Patents
Intelligent remote information acquisition device for alternating-current low-voltage power distribution Download PDFInfo
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- CN219041177U CN219041177U CN202222552070.0U CN202222552070U CN219041177U CN 219041177 U CN219041177 U CN 219041177U CN 202222552070 U CN202222552070 U CN 202222552070U CN 219041177 U CN219041177 U CN 219041177U
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Abstract
The utility model discloses an alternating-current low-voltage distribution intelligent remote information acquisition device which comprises a power distribution cabinet and an information acquisition device, wherein a fixed platform is arranged at the bottom of the inner side of the power distribution cabinet, the information acquisition device is arranged at the top of the fixed platform, two ends of a stable beam frame are connected with top stabilizing mechanisms, and a heat dissipation filter is arranged at the bottom side of the inner side of the information acquisition device. This exchange intelligent remote information collection system of low voltage distribution, the operation that auxiliary information collection system can be better through a plurality of subassemblies cooperation each other, utilize firm roof beam frame, top stabilizing mean and side stabilizer's cooperation each other, can provide effectual protection and stable installation for auxiliary lighting equipment, utilize the structure of heat dissipation filter, the heat that produces when the inside electronic components operation of information collection system can be very big carries out good heat dissipation, and can provide good auxiliary lighting for auxiliary lighting equipment's inside when the maintenance operation by auxiliary lighting equipment's setting.
Description
Technical Field
The utility model relates to the technical field of information acquisition, in particular to an alternating-current low-voltage power distribution intelligent remote information acquisition device.
Background
The distribution box information acquisition data system is a set of high-precision monitoring system, has the functions of electric power detection, environment detection, cabinet door detection and the like, can be used in scenes such as intelligent traffic, communication machine rooms, power transformation and distribution stations, communication base stations and the like, and plays a good auxiliary management role in analyzing the electric power running state, diagnosing the environmental sudden faults and the like.
The utility model of application number CN201811049639.3 discloses a high-low voltage alternating current low voltage distribution intelligent remote information acquisition device, which comprises a shell cover, a display screen, a pulse lamp, an infrared communicator, an indicator lamp, a function selection button, a communication module, a mesh, a connecting port and a shell cavity, wherein the display screen is arranged on the upper side of the outer surface of the shell cover, the pulse display lamp is arranged on the left side below the display screen, the infrared communicator is arranged on the right side below the display screen, the indicator lamp is arranged below the infrared communicator, the function selection button is arranged below the indicator lamp, the communication module is inserted below the pulse display lamp on the left side of the function selection button, the mesh is arranged below the function selection button, the connecting port is arranged at the lower end of the shell cover, and the shell cover is movably connected to the upper end of the shell cavity; the method can monitor the data information in the distribution box in real time, can simply process the monitored information and timely feed back the monitored information.
Information acquisition devices similar to the above application currently suffer from the following drawbacks:
one is that the device cannot provide an effective stable structure when installed, or that the device is reduced from shaking or even rolling in the distribution box; furthermore, during the use process, a large amount of heat is generated during the operation of the electronic components inside the device, and the device cannot provide an effective heat dissipation and cooling function.
Accordingly, in view of the above, research and improvement are made to the existing structure and the existing defects, and an intelligent remote information acquisition device for alternating-current low-voltage power distribution is provided, so that the purpose of higher practical value is achieved.
Disclosure of Invention
The utility model aims to provide an alternating-current low-voltage distribution intelligent remote information acquisition device so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an exchange low voltage distribution intelligence remote information collection system, includes switch board and information acquisition device, the inboard bottom of switch board is provided with fixed platform, information acquisition device installs in the top of fixed platform, and information acquisition device's top is installed firm roof beam structure, the both ends of firm roof beam structure all are connected with top stabilizing mean, and information acquisition device's both sides below all is connected with the side stabilizer, heat dissipation filter is installed to information acquisition device's inside bottom side, and auxiliary lighting device is installed at information acquisition device's inboard top.
Further, the top stabilizing mean includes connecting rod, support frame, telescopic link and anti-skidding fagging, the surface mounting of connecting rod has the support frame, and the telescopic link is installed to the one end that the firm roof beam frame was kept away from to the connecting rod, the anti-skidding fagging is installed to the one end that the connecting rod was kept away from to the telescopic link.
Further, the side stabilizer comprises a connecting shaft, a stabilizer frame, a horizontal shock absorber and a supporting plate, wherein the stabilizer frame is arranged on one side, far away from the heat dissipation filter, of the connecting shaft, the horizontal shock absorber is arranged on one side, far away from the connecting shaft, of the stabilizer frame, and the supporting plate is arranged on one side, far away from the stabilizer frame, of the horizontal shock absorber.
Further, the heat dissipation filter is including filtering fan, filter plate, ventilation pipe, miniature induced draft device and air outlet, the surface of filtering the fan is provided with the filter plate, and the both sides of filtering the fan all are connected with the ventilation pipe, the miniature induced draft device is installed to the one end that the ventilation pipe kept away from the filtering fan, and the miniature induced draft device is kept away from one side of ventilation pipe and is connected with the air outlet.
Further, auxiliary lighting equipment includes sliding guide, movable support, horizontal pivot, activity pivot, lamp body and lamp shade, sliding guide's bottom is connected with the movable support, and moves one side that the sliding guide was kept away from to the movable support and install the horizontal pivot, the movable pivot is installed to the one end that the movable support was kept away from to the horizontal pivot, and the movable pivot is kept away from one side of horizontal pivot and is connected with the lamp body, the lamp shade is installed to the one end that the movable pivot was kept away from to the lamp body.
Further, the auxiliary lighting equipment is symmetrically installed with the vertical central axis of the information acquisition device, and the auxiliary lighting equipment is fixed at the top diagonal position of the information acquisition device.
Further, the side stabilizer is installed with information acquisition device's perpendicular axis symmetry, and information acquisition device, firm roof beam frame, top stabilizing mean and side stabilizer are "worker" style of calligraphy setting.
The utility model provides an alternating-current low-voltage power distribution intelligent remote information acquisition device, which has the following beneficial effects: the auxiliary information acquisition device with the mutual cooperation of a plurality of components can perform better operation, the mutual cooperation of the stable beam frame, the top stabilizing mechanism and the side stabilizer is utilized, effective protection and stable installation can be provided for the information acquisition device, the structural design of the heat dissipation filter is utilized, good heat dissipation can be performed on heat generated when electronic components in the information acquisition device are operated, and the auxiliary lighting equipment is utilized to provide good auxiliary lighting for the auxiliary lighting equipment during maintenance operation.
1. According to the utility model, through the mutual cooperation of the stable beam frame, the top stabilizing mechanism and the side stabilizing device, effective protection and stable installation can be provided for the information acquisition device, the stable beam frame installed at the top of the information acquisition device is utilized to connect the top stabilizing mechanisms at two sides, the connecting rod and one end of the stable beam frame are installed and fixed, the support frame installed on the surface of the connecting rod provides good vertical support, the telescopic rod installed at the other end of the connecting rod provides good adjustability for the anti-slip supporting plate, the upper half part of the information acquisition device can be stably arranged without offset, the anti-slip supporting plate is also used for reducing the possibility of sliding as much as possible when the whole top stabilizing mechanism contacts the inner wall of the power distribution cabinet, the occurrence of unstable or loose support of the top stabilizing mechanism is avoided, on the other hand, the side edge of the information acquisition device is connected with the stabilizing frame through the connecting shaft to provide a certain degree of support in the vertical direction, the horizontal shock absorber between the stabilizing frame and the supporting plate can release vibration or shake generated in the transportation process of the power distribution cabinet as much as possible, the bottom of the information acquisition device is prevented from displacing, meanwhile, the electronic acquisition device is protected to a certain extent, and the electronic acquisition device is prevented from being affected by the vibration device is prevented.
2. According to the utility model, through the structural design of the filter, heat generated when the electronic components in the information acquisition device are operated can be well dissipated, the air in the information acquisition device is introduced into the ventilation pipe by the filter fan, hot air is accelerated to be pumped out of the information acquisition device by the miniature air suction device and finally scattered to the outside through the air outlet, and the filter plate with the detachable structure is arranged on the surface of the filter fan, so that dust floating in the information acquisition device can be adsorbed together in a concentrated manner as far as possible, the dust is reduced from adhering to the electronic components to cause a certain effect on the electronic components, and the filter plate with the detachable structure is convenient for cleaning operation.
3. According to the utility model, good auxiliary illumination can be provided for the interior of the information acquisition device during maintenance operation through the arrangement of the auxiliary illumination device, the sliding guide rails fixed at the two ends of the top of the information acquisition device provide a certain range of mobility for the auxiliary illumination device, the horizontal rotating shaft arranged at the bottom of the movable support provides a rotating range of approximately 360 degrees in the vertical direction for the lamp body below, the movable rotating shaft provides a moving range of approximately 120 degrees in the horizontal direction for the lamp body, good mobility and flexibility are provided for the whole auxiliary illumination device, on the other hand, the arrangement of the lampshade provides a certain protection for the lamp body on the one hand, and the reflective coating in the lampshade also assists the illumination of the lamp body to have a good divergence effect, so that the information acquisition device can be maintained at night and also have a good visible range.
Drawings
FIG. 1 is a schematic diagram of a side view of a body of an intelligent remote information acquisition device for AC low-voltage distribution;
FIG. 2 is a schematic diagram of an auxiliary lighting device of the intelligent remote information acquisition device for AC low-voltage power distribution;
fig. 3 is a schematic diagram of a sliding guide rail perspective structure of an intelligent remote information acquisition device for alternating-current low-voltage power distribution.
In the figure: 1. a power distribution cabinet; 2. fixing the platform; 3. an information acquisition device; 4. stabilizing the beam frame; 5. a top stabilizing mechanism; 501. a connecting rod; 502. a support frame; 503. a telescopic rod; 504. an anti-slip support plate; 6. a lateral stabilizer; 601. a connecting shaft; 602. a stabilizing rack; 603. a horizontal shock absorber; 604. a support plate; 7. a heat dissipation filter; 701. a filtering fan; 702. a filter plate; 703. a ventilation pipe; 704. a miniature air suction device; 705. an air outlet; 8. an auxiliary lighting device; 801. a sliding guide rail; 802. a movable support; 803. a horizontal rotating shaft; 804. a movable rotating shaft; 805. a lamp body; 806. a lampshade.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
As shown in fig. 1-2, an intelligent remote information acquisition device for alternating-current low-voltage power distribution comprises a power distribution cabinet 1 and an information acquisition device 3, wherein a fixed platform 2 is arranged at the bottom of the inner side of the power distribution cabinet 1, the information acquisition device 3 is arranged at the top of the fixed platform 2, a stable beam frame 4 is arranged at the top of the information acquisition device 3, two ends of the stable beam frame 4 are connected with a top stabilizing mechanism 5, side stabilizers 6 are connected below two sides of the information acquisition device 3, a heat dissipation filter 7 is arranged at the bottom side of the inner side of the information acquisition device 3, auxiliary lighting equipment 8 is arranged at the top of the inner side of the information acquisition device 3, the top stabilizing mechanism 5 comprises a connecting rod 501, a supporting frame 502, a telescopic rod 503 and an anti-skid supporting plate 504, the supporting frame 502 is arranged on the surface of the connecting rod 501, one end of the connecting rod 501 far away from the stable beam frame 4 is provided with the telescopic rod 503, the telescopic rod 503 is far away from one end of the connecting rod 501 and is provided with an anti-slip supporting plate 504, the side stabilizer 6 comprises a connecting shaft 601, a stabilizing frame 602, a horizontal shock absorber 603 and a supporting plate 604, the stabilizing frame 602 is arranged on one side of the connecting shaft 601 far away from the heat dissipation filter 7, the horizontal shock absorber 603 is arranged on one side of the stabilizing frame 602 far away from the connecting shaft 601, the supporting plate 604 is arranged on one side of the horizontal shock absorber 603 far away from the stabilizing frame 602, the side stabilizer 6 is symmetrically arranged on the vertical central axis of the information acquisition device 3, the stabilizing beam frame 4, the top stabilizing mechanism 5 and the side stabilizer 6 are arranged in an I shape, the mutual cooperation of the stabilizing beam frame 4, the top stabilizing mechanism 5 and the side stabilizer 6 can provide effective protection and stable installation for the information acquisition device 3, the stable beam frame 4 installed at the top of the information acquisition device 3 is utilized to connect the top stabilizing mechanisms 5 at two sides, the connecting rod 501 and one end of the stable beam frame 4 are installed and fixed, the supporting frame 502 installed on the surface of the connecting rod 501 provides good supporting performance in the vertical direction, the telescopic rod 503 installed at the other end of the connecting rod 501 provides good adjusting performance for the anti-slip supporting plate 504, the upper half part of the information acquisition device 3 can be stably arranged without offset, the anti-slip supporting plate 504 is also arranged to reduce the possibility of sliding as much as possible when the whole top stabilizing mechanism 5 contacts the inner wall of the power distribution cabinet 1, the situation that the supporting of the top stabilizing mechanism 5 is unstable or loose is avoided, on the other hand, the side edge of the information acquisition device 3 is connected with the stabilizing frame 602 through the connecting shaft 601 to provide a certain degree of supporting in the vertical direction, the horizontal shock absorber 603 between the stabilizing frame 602 and the supporting plate 604 can alleviate the shock or shake generated in the transportation process of the information acquisition device 3 as much as possible, the bottom of the information acquisition device 3 is prevented from being displaced, meanwhile, the electronic components and components which are not affected by the shock are also protected to a certain extent.
The heat dissipation filter 7 includes filter fan 701, filter plate 702, ventilation pipe 703, miniature induced draft fan 704 and air outlet 705, the surface of filter fan 701 is provided with filter plate 702, and filter fan 701's both sides all are connected with ventilation pipe 703, miniature induced draft fan 704 is installed to the one end that filter fan 701 was kept away from to ventilation pipe 703, and miniature induced draft fan 704 is kept away from one side of ventilation pipe 703 and is connected with air outlet 705, through the structural design who has set up heat dissipation filter 7, the heat that produces when the inside electronic components of information acquisition device 3 operates carries out good heat dissipation, utilize filter fan 701 to introduce ventilation pipe 703 with the inside air of information acquisition device 3, through the inside of miniature induced draft fan 704 acceleration with hot air extraction information acquisition device 3, finally scatter outside through the filter plate 702 of the detachable construction that filter fan 701 surface set up, can concentrate the absorption together the inside dirt that floats of information acquisition device 3 as far as possible, reduce the dust and adhere to and cause certain influence it on electronic components, and detachable construction's filter plate 702 has also made things convenient for the clearance operation.
The auxiliary lighting device 8 comprises a sliding guide rail 801, a movable bracket 802, a horizontal rotating shaft 803, a movable rotating shaft 804, a lamp body 805 and a lampshade 806, wherein the bottom of the sliding guide rail 801 is connected with the movable bracket 802, the horizontal rotating shaft 803 is arranged on one side of the movable bracket 802 far away from the sliding guide rail 801, the movable rotating shaft 804 is arranged at one end of the horizontal rotating shaft 803 far away from the movable rotating shaft 803, the lamp body 805 is connected with one side of the lamp body 805 far away from the movable rotating shaft 804, the lampshade 806 is arranged at one end of the lamp body 805 far away from the movable rotating shaft 804, the auxiliary lighting device 8 is symmetrically arranged with the vertical central axis of the information acquisition device 3, the auxiliary lighting device 8 is fixed at the top diagonal position of the information acquisition device 3, and good auxiliary lighting can be provided for the interior of the information acquisition device 3 during maintenance operation by arranging the auxiliary lighting device 8, the sliding guide rails 801 fixed at the two ends of the top of the information acquisition device 3 provide a certain horizontal mobility for the auxiliary lighting device 8, the horizontal rotating shaft 803 mounted at the bottom of the moving bracket 802 provides a rotating range close to 360 ° for the lamp body 805 below in the vertical direction, the movable rotating shaft 804 provides a moving range close to 120 ° for the lamp body 805 in the horizontal direction, good mobility and flexibility are provided for the whole auxiliary lighting device 8, on the other hand, the arrangement of the lampshade 806 provides a certain protection for the lamp body 805 on the one hand, and meanwhile, the reflective coating inside the lampshade 806 also assists the light irradiation of the lamp body 805 to have a good divergence effect, so that a good visible range can be provided even when the information acquisition device 3 is maintained at night.
In summary, as shown in fig. 1-3, when the ac low-voltage distribution intelligent remote information acquisition device is used, firstly, the information acquisition device 3 is placed on a fixed platform 2 at the bottom side inside a power distribution cabinet 1, after confirming the position, a stable beam frame 4 installed at the top of the information acquisition device 3 is used for connecting top stabilizing mechanisms 5 at two sides, a connecting rod 501 and one end of the stable beam frame 4 are installed and fixed, a supporting frame 502 installed on the surface of the connecting rod 501 provides good supporting performance in the vertical direction, a telescopic rod 503 installed at the other end of the connecting rod 501 provides good regulating performance for an anti-slip supporting plate 504, the upper half part of the information acquisition device 3 can be stably arranged and cannot deviate, the arrangement of the anti-slip supporting plate 504 also aims to reduce the possibility of sliding of the whole top stabilizing mechanism 5 when contacting the inner wall of the power distribution cabinet 1, the situation that the support of the top stabilizing mechanism 5 is unstable or loose is avoided, on the other hand, the side edge of the information acquisition device 3 can be connected with a stabilizing frame 602 in the vertical direction to provide a certain degree of support, a horizontal shock absorber 603 between the stabilizing frame 602 and the supporting plate 604 can be relieved as much as possible, the shock absorber 603 can produce in the process of the power distribution cabinet 1, the electronic shock absorber device can be prevented from being damaged, and the vibration device can be prevented from being generated in the process, and the electronic shock device is prevented from being damaged at the bottom part, and the electronic device is also prevented from being simultaneously;
after the operation is finished, the whole device is started, and meanwhile, the heat dissipation filter 7 arranged at the bottom side inside the information acquisition device 3 starts to operate synchronously, through the structural design of the heat dissipation filter 7, heat generated when electronic components inside the information acquisition device 3 operate can be well dissipated, air inside the information acquisition device 3 is introduced into the ventilation pipe 703 by the filter fan 701, hot air is pumped out of the information acquisition device 3 through the micro air suction device 704 in an accelerating way, finally, the hot air is scattered to the outside through the air outlet 705, and the filter plate 702 with a detachable structure is arranged on the surface of the filter fan 701, so that dust floating inside the information acquisition device 3 can be adsorbed together in a concentrated way as far as possible, the dust is reduced to be attached to the electronic components, and the filter plate 702 with the detachable structure brings convenience for cleaning operation;
finally, the auxiliary lighting device 8 is arranged to provide good auxiliary lighting for the interior of the information acquisition device 3 during maintenance operation, the sliding guide rails 801 fixed at two ends of the top of the information acquisition device 3 provide a certain horizontal mobility for the auxiliary lighting device 8, the horizontal rotating shaft 803 arranged at the bottom of the movable support 802 provides a rotating range close to 360 degrees in the vertical direction for the lamp body 805 below, the movable rotating shaft 804 provides a moving range close to 120 degrees in the horizontal direction for the lamp body 805, good mobility and flexibility are provided for the whole auxiliary lighting device 8, on the other hand, the lamp shade 806 is arranged to provide a certain protection for the lamp body 805, and meanwhile, the reflective coating in the lamp shade 806 also assists the light irradiation of the lamp body 805 to have a good divergence effect, so that the information acquisition device 3 can be maintained at night.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (7)
1. The utility model provides an exchange low voltage distribution intelligence remote information collection system, includes switch board (1) and information acquisition device (3), its characterized in that: the utility model discloses a power distribution cabinet, including information acquisition device, auxiliary lighting equipment, including switch board (1), information acquisition device, auxiliary lighting equipment, fixed platform (2) are provided with in the inboard bottom of switch board (1), information acquisition device (3) are installed in the top of fixed platform (2), and firm roof beam structure (4) are installed at the top of information acquisition device (3), the both ends of firm roof beam structure (4) all are connected with top stabilizing mean (5), and all are connected with side stabilizer (6) below the both sides of information acquisition device (3), radiator filter (7) are installed at the inside bottom of information acquisition device (3), and auxiliary lighting equipment (8) are installed at the inboard top of information acquisition device (3).
2. The alternating-current low-voltage power distribution intelligent remote information acquisition device according to claim 1, wherein the top stabilizing mechanism (5) comprises a connecting rod (501), a supporting frame (502), a telescopic rod (503) and an anti-slip supporting plate (504), the supporting frame (502) is installed on the surface of the connecting rod (501), the telescopic rod (503) is installed at one end, far away from the stable beam frame (4), of the connecting rod (501), and the anti-slip supporting plate (504) is installed at one end, far away from the connecting rod (501), of the telescopic rod (503).
3. The alternating-current low-voltage distribution intelligent remote information acquisition device according to claim 1, wherein the side stabilizer (6) comprises a connecting shaft (601), a stabilizer frame (602), a horizontal shock absorber (603) and a supporting plate (604), the stabilizer frame (602) is installed on one side, far away from the heat dissipation filter (7), of the connecting shaft (601), the horizontal shock absorber (603) is installed on one side, far away from the connecting shaft (601), of the stabilizer frame (602), and the supporting plate (604) is installed on one side, far away from the stabilizer frame (602), of the horizontal shock absorber (603).
4. The alternating-current low-voltage distribution intelligent remote information acquisition device according to claim 1, wherein the heat dissipation filter (7) comprises a filtering fan (701), a filter plate (702), a ventilation pipe (703), a miniature air suction device (704) and an air outlet (705), the surface of the filtering fan (701) is provided with the filter plate (702), both sides of the filtering fan (701) are connected with the ventilation pipe (703), one end, far away from the filtering fan (701), of the ventilation pipe (703) is provided with the miniature air suction device (704), and one side, far away from the ventilation pipe (703), of the miniature air suction device (704) is connected with the air outlet (705).
5. The alternating-current low-voltage power distribution intelligent remote information acquisition device according to claim 1, wherein the auxiliary lighting equipment (8) comprises a sliding guide rail (801), a movable support (802), a horizontal rotating shaft (803), a movable rotating shaft (804), a lamp body (805) and a lamp shade (806), the bottom of the sliding guide rail (801) is connected with the movable support (802), the movable rotating shaft (803) is installed on one side, far away from the sliding guide rail (801), of the movable rotating shaft (803), the movable rotating shaft (804) is installed on one side, far away from the movable rotating shaft (803), of the movable rotating shaft (803), the lamp body (805) is connected with the lamp body (805), and the lamp shade (806) is installed on one side, far away from the movable rotating shaft (804), of the lamp body (805).
6. An ac low voltage distribution intelligent remote information acquisition device according to claim 1, characterized in that the auxiliary lighting equipment (8) is symmetrically installed with the vertical central axis of the information acquisition device (3), and the auxiliary lighting equipment (8) is fixed at the top diagonal position of the information acquisition device (3).
7. The intelligent remote information acquisition device for alternating-current low-voltage power distribution according to claim 1, wherein the side stabilizer (6) is symmetrically installed by a vertical central axis of the information acquisition device (3), and the information acquisition device (3), the stable beam frame (4), the top stabilizing mechanism (5) and the side stabilizer (6) are arranged in an I shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222552070.0U CN219041177U (en) | 2022-09-26 | 2022-09-26 | Intelligent remote information acquisition device for alternating-current low-voltage power distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222552070.0U CN219041177U (en) | 2022-09-26 | 2022-09-26 | Intelligent remote information acquisition device for alternating-current low-voltage power distribution |
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| Publication Number | Publication Date |
|---|---|
| CN219041177U true CN219041177U (en) | 2023-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222552070.0U Active CN219041177U (en) | 2022-09-26 | 2022-09-26 | Intelligent remote information acquisition device for alternating-current low-voltage power distribution |
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| Country | Link |
|---|---|
| CN (1) | CN219041177U (en) |
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2022
- 2022-09-26 CN CN202222552070.0U patent/CN219041177U/en active Active
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