CN214278277U - Electric power meter reading terminal based on big dipper location finding technique - Google Patents
Electric power meter reading terminal based on big dipper location finding technique Download PDFInfo
- Publication number
- CN214278277U CN214278277U CN202120219961.7U CN202120219961U CN214278277U CN 214278277 U CN214278277 U CN 214278277U CN 202120219961 U CN202120219961 U CN 202120219961U CN 214278277 U CN214278277 U CN 214278277U
- Authority
- CN
- China
- Prior art keywords
- box
- electric power
- ammeter
- meter reading
- big dipper
- 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
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model provides an electric power terminal of checking meter based on big dipper location finding technique relates to electric power electrical device technical field, including the box through the adoption, the box top is provided with the water conservancy diversion top cap, the water conservancy diversion top cap is provided with a plurality of barbs, the bottom half is provided with the dead lever, be provided with the chassis on the dead lever, the inside baffle that is provided with of box, the ammeter, ammeter concentrator and big dipper location communication module, baffle and box are connected, the ammeter is installed in the baffle, ammeter concentrator and ammeter electric connection, a big dipper location communication module and ammeter concentrator electric connection's technical scheme for remote communication transmission, long-range checking meter has, comparatively practical beneficial effect.
Description
Technical Field
The utility model relates to an electric power electrical installation technical field particularly, relates to an electric power terminal of checking meter based on big dipper location finding technique.
Background
Electric power meters, also known as electric energy meters, are meters for measuring electric energy, also known as kilowatt-hour meters, gas meters, kilowatt-hour meters, etc. The earliest electric power meter was manufactured according to the electrolytic principle in 1881, although each electric energy meter is dozens of kilograms, very heavy and has no guarantee of precision, the electric energy meter still used as a major invention in the scientific and technological field is valued and praised by people and is adopted in engineering quickly, and with the development of scientific technology, in 1888, the discovery and application of alternating current put new requirements on the development of the electric energy meter. With the efforts of scientists, induction electric energy meters have been produced. The induction type electric energy meter has a series of advantages of simple structure, safe operation, low price, durability, convenient maintenance, batch production and the like, so the induction type electric energy meter is widely applied.
From appearance to development to the present, the electricity meter is three core tasks of electricity marketing for copying, core and collecting all the time. The electricity charge accounting and charging are automated very early, but the meter reading cannot keep pace with the accounting and charging in time, so that manual check is mainly used all the time, and the modernization process of electricity marketing is severely restricted. Therefore, it is necessary to develop a power meter reading terminal capable of remotely reading a meter.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric power terminal of checking meter based on big dipper location finding technique, it can be to the problem that exists among the prior art, proposes the solution that corresponds, has long-range meter reading, comparatively practical beneficial effect.
The embodiment of the utility model is realized like this:
the embodiment of the application provides an electric power terminal of checking meter based on big dipper location technique, wherein include the box, the box top is provided with the water conservancy diversion top cap, the water conservancy diversion top cap is provided with a plurality of barbs, the bottom half is provided with the dead lever, be provided with the chassis on the dead lever, the inside baffle that is provided with of box, the ammeter, ammeter concentrator and big dipper location communication module, baffle and box are connected, the ammeter is installed in the baffle, ammeter concentrator and ammeter electric connection for remote communication transmission's big dipper location communication module and ammeter concentrator electric connection.
The utility model discloses an in some embodiments, the side in the above-mentioned box is provided with a plurality of spacing, and the baffle both ends are equipped with spacing draw-in groove, spacing draw-in groove and spacing adaptation.
In some embodiments of the present invention, the end of the limiting strip facing to the outside is set to be in arc transition.
The utility model discloses an in some embodiments, above-mentioned box is provided with the chamber door, and the chamber door is provided with observation window, and observation window is provided with the transparent plate.
In some embodiments of the present invention, the edge of the door is provided with a sealing strip.
In some embodiments of the present invention, the separator is provided with a moisture-proof box having an opening at the top, and a moisture-proof agent is provided in the moisture-proof box.
In some embodiments of the present invention, the moisture-proof agent comprises silica gel desiccant or quicklime desiccant.
The utility model discloses an in some embodiments, above-mentioned box surface is provided with communication antenna, communication antenna and big dipper location communication module electric connection.
The utility model discloses an in some embodiments, be provided with the alarm in the above-mentioned box, alarm and big dipper location communication module electric connection.
In some embodiments of the present invention, the barbs include plastic barbs, and the surface of the box body is provided with an anti-rust protective layer.
Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:
an embodiment of the utility model provides an electric power terminal of checking meter based on big dipper location finding technique, including the box, the appearance of box is roughly square, and inside has seted up the cavity and is used for laying other spare parts. Whole box integrated into one piece (not including the chamber door) avoids appearing the gap, plays better dampproofing effect to inside. The box top is provided with the water conservancy diversion top cap, and the cross-section of water conservancy diversion top cap is "people" font, and the rainwater that falls on the water conservancy diversion top cap is shunted to both sides and down, and the water conservancy diversion top cap is provided with a plurality of barbs, and the water conservancy diversion top cap is paved to the barb, prevents that birds from standing on the water conservancy diversion top cap, avoids birds to take place to electrocute danger, plays the guard action, prevents simultaneously that a large amount of bird droppings from causing the corruption to the water conservancy diversion top cap, and life is longer. The bottom half is provided with the dead lever, and during the dead lever inserted the concrete, be provided with the chassis on the dead lever, chassis and concrete surface contact through dead lever and chassis for leave certain clearance between bottom half and the ground, play better dampproofing effect. Inside baffle, ammeter concentrator and the big dipper location communication module of being provided with of box, baffle and box fixed connection, the ammeter has a plurality ofly, all installs on the baffle. The ammeter concentrator can collect the data of all ammeters, then gives big dipper location communication module with data transmission again, and big dipper location communication module gives electric power company power consumption information main website system with data transmission of ammeter through wireless transmission's mode, convenient statistics. The whole electric power meter reading terminal based on the Beidou positioning technology is simple in structure, long in service life and good in practicability, and the meter reading can be carried out remotely. Therefore, the embodiment of the utility model provides an electric power terminal of checking meter based on big dipper location finding technique has long-range meter reading, comparatively practical beneficial effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an electric power meter reading terminal based on the Beidou positioning technology provided by the embodiment of the utility model;
fig. 2 is a schematic structural diagram of a box body provided in an embodiment of the present invention (a diversion top cover is not shown);
fig. 3 is a schematic structural diagram of the limiting strip and the limiting clamping groove provided in the embodiment of the present invention.
Icon: 1-a box body; 101-a separator; 1011-a limit slot; 102-a stop bar; 1021-arc section; 103-a box door; 1031-observation window; 1032-sealing strip; 104-moisture-proof box; 105-a moisture barrier; 106-an alarm; 2-an ammeter; 3-a flow guide top cover; 4-barbs; 5-fixing the rod; 6-a chassis; 7-an electricity meter concentrator; 8-a Beidou positioning communication module; 801-a communications antenna; 9-concrete.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation to the present invention.
Furthermore, the terms "horizontal", "vertical" and the like do not require that the components be absolutely horizontal or vertical, but may be slightly inclined. Such as "horizontal" simply means that the direction is more horizontal than "vertical" and does not mean that the structure or component must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, "a plurality" means at least 2.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Examples
Referring to fig. 1 to 3, an electric power meter reading terminal based on the beidou positioning technology provided by an embodiment of the present invention is shown, and the specific structure is as follows.
As shown in FIG. 1, the embodiment of the utility model provides a pair of electric power terminal of checking meter based on big dipper location finding technique. Including box 1, 1 top of box is provided with water conservancy diversion top cap 3, water conservancy diversion top cap 3 is provided with a plurality of barbs 4, 1 bottom of box is provided with dead lever 5, be provided with chassis 6 on the dead lever 5, 1 inside baffle 101 that is provided with of box, ammeter 2, ammeter concentrator 7 and big dipper location communication module 8, baffle 101 and box 1 are connected, ammeter 2 is installed in baffle 101, ammeter concentrator 7 and 2 electric connection of ammeter, a big dipper location communication module 8 and 7 electric connection of ammeter concentrator for remote communication transmission. Referring to fig. 1, the box body 1 is substantially square in shape, and has a cavity for placing other components therein. The whole box body 1 is integrally formed (not including the box door 103), no gap exists except at the joint of the box door 103, and a good moisture-proof effect is achieved on internal parts.
As shown in the combined drawing 1, the flow guide top cover 3 is fixedly arranged at the top of the box body 1 in a welding mode, and the cross section of the flow guide top cover 3 is in a shape like a Chinese character 'ren', so that rainwater falling on the flow guide top cover 3 is shunted towards two sides, the rainwater is prevented from gathering at the top of the box body 1, and the flow guide top cover is more practical. As shown in fig. 1, the barbs 4 are spread over the flow cap 3. Because the box 1 that is used for installing ammeter 2 of mill generally sets up in outdoor, can have birds (for example sparrow) to stand on water conservancy diversion top cap 3, in case a large amount of birds have gathered at water conservancy diversion top cap 3 top, the danger of electrocution just can take place probably, still can leave a large amount of bird droppings at water conservancy diversion top cap 3, and the pointed end of barb 4 up, avoid birds to stand on water conservancy diversion top cap 3, play the guard action to birds, prevent simultaneously that a large amount of bird droppings from causing the corruption to water conservancy diversion top cap 3, and service life is longer.
As shown in fig. 1, the bottom of the box 1 is provided with a fixing rod 5, the fixing rod 5 is inserted into concrete 9, the fixing rod 5 is provided with a chassis 6, and the chassis 6 is in surface contact with the concrete 9. During installation, concrete 9 is poured firstly, a vertical mounting hole is reserved in the concrete 9, cement is poured into the mounting hole after the concrete 9 is hardened, then the fixing rod 5 is inserted into the mounting hole, the chassis 6 is in surface contact with the concrete 9, and the fixing is realized until the cement is also hardened. The chassis 6 plays the screens effect for leave certain clearance between box 1 bottom and the concrete 9 surface, play better dampproofing effect. Raise box 1 simultaneously, avoid the rainwater to overflow the inside of box 1.
As shown in fig. 1, the box 1 is internally provided with a partition plate 101, an electric meter 2, an electric meter concentrator 7 and a Beidou positioning communication module 8, wherein the electric meter 2, the electric meter concentrator 7 and the Beidou positioning communication module 8 are common electrical instruments in the prior art. The partition plate 101 is fixedly connected with the box body 1, and a plurality of electric meters 2 are uniformly arranged on the partition plate 101. During the use, ammeter concentrator 7 can collect all ammeter 2's data, then gives big dipper location communication module 8 with data transmission again, and big dipper location communication module 8 transmits ammeter 2's data for electric power company power consumption information main website system through wireless transmission's mode, does not need the manual work to check meter, convenient statistics. The whole electric power meter reading terminal based on the Beidou positioning technology is simple in structure, long in service life and good in practicability, and the meter reading can be carried out remotely. Therefore, the embodiment of the utility model provides an electric power terminal of checking meter based on big dipper location finding technique has long-range, comparatively practical advantage of checking meter.
The utility model discloses an in some embodiments, the side in above-mentioned box 1 is provided with a plurality of spacing 102, and baffle 101 both ends are equipped with spacing draw-in groove 1011, spacing draw-in groove 1011 and spacing 102 adaptation. Combine fig. 1 and fig. 3 to show, spacing 102 horizontal fixed mounting has seted up spacing draw-in groove 1011 in the left and right sides in box 1, the left and right sides of baffle 101, and in spacing 102 can be gone into to baffle 101, because spacing 102 is provided with a plurality ofly, can adjust the distance between baffle 101 and the baffle 101 through spacing 102 of difference, the ammeter 2 of the different models of adaptation of being convenient for, it is more convenient to use.
In some embodiments of the present invention, the end of the limiting strip 102 facing the outside is configured as a circular arc transition. As shown in fig. 1, 2 and 3, one side of the position-limiting strip 102 facing the door 103 is configured to be in arc transition to form an arc portion 1021, so that the position-limiting slot 1011 of the partition 101, which is just inserted, can be aligned conveniently, and the use is more convenient.
In some embodiments of the present invention, the box body 1 is provided with a door 103, the door 103 is provided with an observation window 1031, and the observation window 1031 is provided with a transparent plate. As shown in fig. 2, the box door 103 is hinged to the box body 1, so that the box door 103 can be opened by rotation, thereby facilitating the maintenance. The door 103 is provided with an observation window 1031, the door 103 is not opened due to the transparent plate mounted at the observation window 1031, and the condition of the internal electric meter 2 can be seen through the transparent plate, so that the structure is simple and the design is reasonable.
In some embodiments of the present invention, as shown in fig. 2, the edge of the door 103 is provided with a sealing strip 1032, when the door 103 is closed, the sealing strip 1032 plays a better protection role, so as to avoid rainwater infiltration, and the service life is longer.
In some embodiments of the present invention, the separator 101 is provided with a moisture-proof box 104 having an opening at the top, and the moisture-proof box 104 is provided with a moisture-proof agent 105. As shown in fig. 1, the moisture-proof box 104 is installed on the partition board 101, the opening is opened at the top of the moisture-proof box 104, the moisture-proof agent 105 is installed in the moisture-proof box 104, the moisture-proof agent 105 plays a role in water absorption and drying to protect the internal electrical equipment, and the using effect is good.
In some embodiments of the present invention, the moisture-proof agent 105 can be silica gel desiccant or quicklime desiccant, and both silica gel desiccant and quicklime desiccant have a good moisture absorption effect, and are reasonable in design.
The utility model discloses an in some embodiments, above-mentioned box 1 surface is provided with communication antenna 801, communication antenna 801 and the 8 electric connection of big dipper location communication module. As shown in FIG. 1, the communication antenna 801 is installed on the outer surface of the left side of the box body 1, and the Beidou positioning communication module 8 is connected with the communication antenna 801 through a wire, so that data can be conveniently transmitted, and the box body 1 is prevented from blocking signals.
In some embodiments of the present invention, in order to prevent theft, an alarm 106 is provided in the box 1. As shown in fig. 2, the alarm 106 is fixed inside the box body 1, the alarm 106 can be an infrared alarm or a microwave alarm, when the alarm 106 senses that someone opens the box door 103 to get close to the box door, the alarm 106 gives out an audible and visual alarm to play a warning role, so that the electrical equipment is prevented from being stolen by someone, and the use is safer. Alarm 106 and big dipper location communication module 8 electric connection back, in case trigger the alarm, can send alarm information to power company power consumption information main website system, the person on duty of being convenient for knows, makes corresponding reaction.
In some embodiments of the present invention, the plastic barbs can be selected from the barbs 4, and the plastic barbs have low manufacturing cost, long service life and good durability. The surface of box 1 is provided with rust-resistant protective layer, and rust-resistant paint coating can be selected on rust-resistant protective layer at the surface of box 1, plays rust-resistant effect, extension box 1 life.
To sum up, the embodiment of the utility model provides an electric power terminal of checking meter based on big dipper location finding technique, wherein include box 1, 1 top of box is provided with water conservancy diversion top cap 3, water conservancy diversion top cap 3 is provided with a plurality of barbs 4, 1 bottom of box is provided with dead lever 5, be provided with chassis 6 on the dead lever 5, 1 inside baffle 101 that is provided with of box, ammeter 2, ammeter concentrator 7 and big dipper location communication module 8, baffle 101 and box 1 are connected, ammeter 2 is installed in baffle 101, ammeter concentrator 7 and 2 electric connection of ammeter, a big dipper location communication module 8 and 7 electric connection of ammeter concentrator for remote communication transmission can realize long-range checking meter. In order to completely describe the invention content of the utility model, the side surface in the box body 1 is provided with a plurality of limiting strips 102, two ends of the clapboard 101 are provided with limiting clamping grooves 1011, and the limiting clamping grooves 1011 are matched with the limiting strips 102; the end part of the limiting strip 102 facing to the outside is provided with an arc part 1021, so that the distance between the partition board 101 and the partition board 101 can be conveniently adjusted, and the use is more convenient. The box body 1 is provided with a box door 103, the box door 103 is provided with an observation window 1031, the observation window 1031 is provided with a transparent plate, a sealing strip 1032 is arranged on the edge of the box door 103, the design is reasonable, and the service life is longer. A moisture-proof box 104 with an opening at the top is arranged on the clapboard 101, and a moisture-proof agent 105 is arranged in the moisture-proof box 104; the moisture-proof agent 105 can be silica gel desiccant or quicklime desiccant, and has a good use effect. The outer surface of the box body 1 is provided with a communication antenna 801, and the communication antenna 801 is electrically connected with the Beidou positioning communication module 8, so that the box body 1 is prevented from blocking signals. An alarm 106 is arranged in the box body 1 and plays a role in theft prevention. The barb 4 can select the plastics barb, and the surface of box 1 is provided with rust-resistant protective layer, and life is longer. Therefore, the embodiment of the utility model provides an electric power terminal of checking meter based on big dipper location finding technique has long-range meter reading, comparatively practical advantage, is particularly suitable for the regional use of mill.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an electric power terminal of checking meter based on big dipper location technique, a serial communication port, the power distribution box comprises a box body, the box top is provided with the water conservancy diversion top cap, the water conservancy diversion top cap is provided with a plurality of barbs, the bottom half is provided with the dead lever, be provided with the chassis on the dead lever, inside baffle, ammeter concentrator and the big dipper location communication module of being provided with of box, the baffle with the box is connected, the ammeter install in the baffle, the ammeter concentrator with ammeter electric connection for remote communication transmission big dipper location communication module with ammeter concentrator electric connection.
2. The electric power meter reading terminal based on the Beidou positioning technology according to claim 1, wherein a plurality of limiting strips are arranged on the side face in the box body, limiting clamping grooves are formed in two ends of the partition plate, and the limiting clamping grooves are matched with the limiting strips.
3. The electric power meter reading terminal based on the Beidou positioning technology according to claim 2, wherein the end part of the limiting strip facing outwards is set to be in arc transition.
4. The Beidou positioning technology-based electric power meter reading terminal according to claim 1, wherein the box body is provided with a box door, the box door is provided with an observation window, and the observation window is provided with a transparent plate.
5. The electric power meter reading terminal based on the Beidou positioning technology according to claim 4, wherein a sealing strip is arranged on the edge of the box door.
6. The Beidou positioning technology-based electric meter reading terminal according to claim 1, wherein a moisture-proof box with an opening at the top is arranged on the partition plate, and a moisture-proof agent is arranged in the moisture-proof box.
7. The Beidou positioning technology-based electric power meter reading terminal according to claim 6, wherein the moisture-proof agent comprises silica gel desiccant or quicklime desiccant.
8. The electric power meter reading terminal based on the Beidou positioning technology according to claim 1, wherein a communication antenna is arranged on the outer surface of the box body, and the communication antenna is electrically connected with the Beidou positioning communication module.
9. The electric power meter reading terminal based on the Beidou positioning technology according to any one of claims 1 to 8, wherein an alarm is arranged in the box body, and the alarm is electrically connected with the Beidou positioning communication module.
10. The electric power meter reading terminal based on the big dipper positioning technology of claim 9, characterized in that, the barb includes the plastics barb, the surface of box is provided with rust-resistant protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120219961.7U CN214278277U (en) | 2021-01-26 | 2021-01-26 | Electric power meter reading terminal based on big dipper location finding technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120219961.7U CN214278277U (en) | 2021-01-26 | 2021-01-26 | Electric power meter reading terminal based on big dipper location finding technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214278277U true CN214278277U (en) | 2021-09-24 |
Family
ID=77770380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120219961.7U Active CN214278277U (en) | 2021-01-26 | 2021-01-26 | Electric power meter reading terminal based on big dipper location finding technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214278277U (en) |
-
2021
- 2021-01-26 CN CN202120219961.7U patent/CN214278277U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103427348B (en) | A kind of outdoor Intelligent high-voltage meter box | |
| CN214278277U (en) | Electric power meter reading terminal based on big dipper location finding technique | |
| CN205333708U (en) | Additional apparatus for ammeter | |
| CN206758893U (en) | A kind of railway tunnel distribution box | |
| CN208461215U (en) | A kind of novel distribution cabinet based on waterproofing protection | |
| CN203675496U (en) | Communication integrated box | |
| CN209675774U (en) | It is a kind of to take single-phase six ammeter boxes of control | |
| CN202736180U (en) | Outdoor electric meter box capable of being installed with prepayment electric energy meter | |
| CN209675814U (en) | A kind of GIS device CT secondary terminal box rain cover | |
| CN209675773U (en) | A kind of outdoor water-proof light current safety device | |
| CN203377511U (en) | Outdoor intelligent high voltage metering box | |
| CN111610362A (en) | Intelligent ammeter device | |
| CN208971159U (en) | Charging pile | |
| CN206250741U (en) | A kind of cable branch box of glass steel material | |
| CN206638710U (en) | A kind of Portable acquiring device | |
| CN220542785U (en) | Soil erosion and water loss monitoring alarm device | |
| CN203745507U (en) | Outdoor safety type electricity meter system | |
| CN205176082U (en) | Electric power metering device | |
| CN216850813U (en) | Intelligent agricultural irrigation user external distribution box | |
| CN211552961U (en) | Gas meter box with sliding window | |
| CN205002825U (en) | Rain -proof safety cover of IC -card water gauge | |
| CN219916397U (en) | Rainproof face recognition entrance guard | |
| CN204514981U (en) | A kind of layout box of electric energy meter attractive in appearance | |
| CN209656756U (en) | Ammeter box and electric power metering device | |
| CN210469945U (en) | Remote intelligent communication internet of things equipment box convenient to maintain |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |