CN218727547U - Install single-phase smart electric meter fast - Google Patents

Abstract

The utility model discloses a quick-installation single-phase smart electric meter, which comprises a smart electric meter body, a lower shell box, an upper panel cover, an upper sliding cover and a connection terminal unit, and the upper panel cover is detachably mounted on the lower shell The upper front end of the box, the upper sliding cover can be slidably installed on the front lower end of the lower shell box, the smart meter body is installed on the inner upper end of the lower shell box, and covered under the upper panel cover, The terminal unit is plugged into the inner lower end of the lower shell box and covered under the upper sliding cover. In the utility model, the smart meter body and the terminal unit are distributed up and down in the lower shell box, the smart meter body is installed at the inner upper end of the lower shell box, and is packaged and fixed via the upper panel cover, and the wiring terminal unit is slidably installed at the inner lower end of the lower shell box, It is plugged and connected to the smart meter body, and is covered and protected by the upper sliding cover. Not only is the wiring installation safe and easy to observe, but it is also convenient and quick to disassemble and replace.

Description

A Quick Install Single Phase Smart Meter

technical field

The utility model relates to the technical field of electric equipment, in particular to a quick-installation single-phase smart electric meter.

Background technique

Smart meters are one of the basic equipment for data collection in smart grids (especially smart distribution networks).

Because the smart meter not only has the metering function of the basic power consumption of the traditional meter, but also has a variety of intelligent functions such as two-way multi-rate metering, user-side control, two-way data communication with multiple data transmission modes, and anti-theft electricity. , so it has been widely used in daily production and life. Most of the single-phase smart meters are used in daily life. In the existing technology, most of the single-phase smart meters fix and package the terminals inside the meter housing, which is not convenient for subsequent disassembly, maintenance or replacement of the meter;

For example, the application number is 201510543741.9, the publication date is 2015.11.25, and the patent name is a cost-controlled smart meter that is easy to assemble and disassemble. The auxiliary terminals are all fixed on the ammeter case by direct soldering”;

For example, the application number is 202023001185.8, the publication date is 2021.08.27, and the title of the patent is an electric meter that facilitates plugging and unplugging terminals. The content of the [0003] paragraph in the patent specification records that "the existing electric meter is connected through the terminal when it is in use. Live wire and neutral wire, when there is a problem in use, you need to open the terminal to disassemble and repair the live wire and neutral wire, and it is troublesome to use professional tools when opening the terminal for maintenance”;

For example, the application number is 201620902570.4, the publication date is 2017.01.11, and the patent name is a meter box connector. The [0002] paragraph in the patent specification records that "the plug-in effect of the meter box connector on the market is not good. Well, it is troublesome to install and disassemble, the service life is short, and it needs to be replaced after a long time, which is very troublesome to replace, so a kind of easy-to-install electric meter box connector is needed to solve these problems. In the prior art, the plug-in terminal is pressed and fixed by a pressure plate On the connector, the pressure plate is fixedly connected to the connector through screws, and the assembly operation is relatively cumbersome.”

Utility model content

The technical problem to be solved by the utility model is to provide a fast-installation single-phase smart meter which is convenient for disassembly and replacement.

In order to solve the above technical problems, the utility model adopts the following technical solutions: a quick installation single-phase smart meter, including the smart meter body, and also includes a lower shell box, an upper panel cover, an upper sliding cover and a terminal unit, the upper panel The cover is detachably installed on the front upper end of the lower shell box, the upper sliding cover is slidably installed on the front lower end of the lower shell box, the upper sliding cover is slidably connected to the bottom of the upper panel cover, the The smart meter body is installed on the inner upper end of the lower shell box and covered under the upper panel cover, and the terminal unit is plugged into the inner lower end of the lower shell box and covered on the upper sliding cover under.

Further, both the lower case box and the upper panel cover are made of insulating plastic material, and the display screen and function keys of the smart meter body are respectively inlaid and installed on the upper panel cover.

Further, the upper sliding cover is made of insulating transparent material, the top of the upper sliding cover is fixed with a limit bar, and the bottom of the upper panel cover is provided with a bar-shaped opening for the upper sliding cover to be inserted or slid out, The cross-sectional length and width of the strip-shaped opening are both greater than or equal to the cross-sectional length and width of the upper panel cover, and the cross-sectional length or width of the strip-shaped opening is greater than or equal to the cross-sectional length or width of the limit bar.

Further, the bottom end of the front of the lower case is inlaid with a first magnetic strip, the bottom end of the back of the upper sliding cover is inlaid with a second magnetic strip, the first magnetic strip and the second magnetic strip Mutual adsorption.

Further, the connection terminal unit includes an insulating base body and a conductive copper column, and a plurality of inner notches are evenly spaced on the front of the insulating base body, and the inner notches are threaded with electrical connections to the insulating body. The wiring locking bolts corresponding to the conductors in the base body, the conductive copper columns have a plurality of them, and are installed on the top of the insulating base body at even intervals, and the lower ends of the conductive copper columns are respectively inserted into the interior of the insulating base body, And can be electrically connected with the wiring locking bolts via each of the conductors.

Further, the upper end of the conductive copper column is embedded with a marble positioning pin, the inner lower end of the smart meter body is provided with a conductive interface that is plugged and matched with the conductive copper column, and the bottom of the lower shell box is provided with a The installation opening, the insulating seat body passes through the installation opening and is plugged and matched with the conductive interface through the conductive copper column, so that it is plugged and installed at the inner lower end of the lower shell box, and is electrically connected to the Smart meter body.

Further, the terminal unit also includes two socket sockets respectively fixed on the left and right ends of the insulating seat body, and the left and right sides of the lower end of the inner wall of the lower shell box are respectively fixed with socket rails, and the socket The seat is slidingly plugged and mated with the plug-in rail;

A support plate is fixed in the center of the socket, the front and back of the support plate are respectively connected with positioning bullets via a plurality of damping springs, and the front and back of the socket are respectively centered with a The guide hole through which the positioning spring block penetrates or passes out. Under no external force, the upper end of the positioning spring block protrudes from the socket, and the lower end of the positioning spring block penetrates into the socket , the front and back sides of the insertion rail are respectively centered with positioning through-holes snap-fitted with the positioning spring blocks.

Further, the back of the insulating base body is spaced apart with a plurality of snap-in sliding grooves that can slide and match with the plurality of snap-in sliding bars distributed at intervals on the inner wall of the lower case.

Further, a plurality of the inner notches are arranged in a row at the front lower end of the insulating base body, each of the inner notches has two wiring locking bolts distributed up and down at intervals, and two of the inner notches are spaced apart. An upper sliding connecting piece can be connected between the wiring locking bolts, and the upper and lower sliding connecting pieces are separately distributed with arc-shaped notches and limiting holes, and the limiting holes are sleeved on the connecting locking bolts at the lower end. On the bolt, the arc-shaped notch can slide against the wiring locking bolt at the upper end.

Further, the bottom of the insulating seat body is evenly spaced with a plurality of wire inlets for wire insertion, each of the wire inlets corresponds to each of the inner notches and the conductive copper pillars, and is located in the same vertical direction. In the axial position, the wire inlet is connected to the conductor in the insulating seat.

The beneficial effects of the utility model are reflected in:

In the utility model, the smart meter body and the terminal unit are distributed up and down in the lower shell box, the smart meter body is installed at the inner upper end of the lower shell box, and is packaged and fixed via the upper panel cover, and the wiring terminal unit is slidably installed at the inner lower end of the lower shell box, It is plugged and connected to the smart meter body, and at the same time covered and protected by the upper sliding cover. Not only is the wiring installation safe and easy to observe, but also it is convenient and fast to disassemble and replace. It replaces the traditional installation method of using multiple bolts to fix one by one. efficient.

Description of drawings

Fig. 1 is a front view of the overall structure of an embodiment of the utility model.

Fig. 2 is a bottom view of the overall structure of an embodiment of the utility model.

Fig. 3 is a front view of an embodiment of the present invention with the terminal unit removed.

Fig. 4 is a bottom view of an embodiment of the present invention with the terminal unit removed.

Fig. 5 is a front view of an upper sliding cover of an embodiment of the present invention.

Fig. 6 is a front view of a terminal unit according to an embodiment of the present invention.

Fig. 7 is a bottom view of the terminal unit according to an embodiment of the present invention.

Fig. 8 is an enlarged schematic view of part A of an embodiment of the present invention.

The marks of the components in the attached drawings are: 1. Smart meter body; 2. Terminal unit; 3. Lower shell box; 301. Installation opening; 302. First magnetic strip; 4. Upper panel cover; 401. Bar-shaped 5. Upper sliding cover; 501. Limiting bar; 502. Second magnetic suction bar; 6. Plug-in rail; 601. Positioning through hole; Connecting seat; 901, positioning spring block; 902, guide through hole; 903, support plate; 904, damping spring; 10, conductive copper column; 1001, pinball positioning pin; 11, longitudinal spacer; 12, horizontal spacer; 1201. Identification plate; 13. Inner notch; 14. Wiring locking bolt; 15. Up-sliding connecting piece; 16. Cable inlet; 17. Clamping chute.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Example. In the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present utility model, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). (shown) the relative positional relationship, movement conditions, etc. between the various components, if the specific posture changes, the directional indication will also change accordingly.

In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present utility model, the descriptions of "first", "second", etc. Implying their relative importance or implying the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the meaning of "and/or" appearing throughout the text includes three parallel schemes, taking "A and/or B" as an example, including scheme A, scheme B, or schemes that both A and B satisfy. In addition, "plurality" means two or more. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , also not within the scope of protection required by the utility model.

See Figures 1-8.

The utility model provides a quick installation single-phase smart meter, which includes a smart meter body 1, a lower shell box 3, an upper panel cover 4, an upper sliding cover 5 and a terminal unit 2, and the upper panel cover 4 is detachable Installed on the front upper end of the lower shell box 3, the upper sliding cover 5 is slidably mounted on the front lower end of the lower shell box 3, and the upper sliding cover 5 is slidably connected to the bottom of the upper panel cover 4, The smart meter body 1 is installed on the inner upper end of the lower shell box 3, and covered under the upper panel cover 4, and the terminal unit 2 is inserted into the inner lower end of the lower shell box 3, and Covered under the upper sliding cover 5 .

In the utility model, the smart meter body and the terminal unit are distributed up and down in the lower shell box, the smart meter body is installed at the inner upper end of the lower shell box, and is packaged and fixed via the upper panel cover, and the wiring terminal unit is slidably installed at the inner lower end of the lower shell box, It is plugged and connected to the smart meter body, and at the same time covered and protected by the upper sliding cover. Not only is the wiring installation safe and easy to observe, but also it is convenient and fast to disassemble and replace. It replaces the traditional installation method of using multiple bolts to fix one by one. efficient.

In one embodiment, both the lower case 3 and the upper panel cover 4 are made of insulating plastic, and the display screen and function keys of the smart meter body 1 are inlaid and installed on the upper panel cover 4 respectively. Designed in this way, the smart meter body 1 is stably installed in the lower shell box 3, the upper panel cover 4 plays a role of encapsulation and protection for the smart meter body 1, and the lower shell box 3 and the upper panel cover 4 Not only safe insulation, but also low cost, with better economical practicability.

In one embodiment, the upper sliding cover 5 is made of an insulating transparent material, the top of the upper sliding cover 5 is fixed with a limit bar 501 , and the bottom of the upper panel cover 4 is provided with an opening for the insertion of the upper sliding cover 5 . Or the strip-shaped opening 401 that slides out, the section length and width of the strip-shaped opening 401 are greater than or equal to the section length and width of the upper panel cover 4, the section length or width of the strip-shaped opening 401 is greater than or equal to the described The cross-sectional length or width of the limit bar 501 . Designed in this way, the upper sliding cover 5 slides up and down along the bar-shaped opening 401, which not only opens and closes quickly, but also plays a role of covering and protecting the terminal unit 2 installed at the lower end of the lower shell box 3. , to prevent the danger of accidental touch.

In one embodiment, a first magnetic strip 302 is inlaid on the front bottom of the lower case 3 , a second magnetic strip 502 is inlaid on the back bottom of the upper sliding cover 5 , and the first magnetic strip 502 The bar 302 and the second magnetic bar 502 are attracted to each other. Such design makes the upper sliding cover 5 can be stably absorbed and covered on the front lower end of the lower shell box 3 to protect the terminal unit 2 .

In one embodiment, the terminal unit 2 includes an insulating base body 8 and a conductive copper column 10, the front of the insulating base body 8 is evenly spaced with a plurality of inner notches 13, and the inner notches 13 are internally threaded. The wiring locking bolts 14 that can be electrically connected to the corresponding conductors in the insulating seat body 8 are installed. The conductive copper posts 10 have a plurality of them, and are installed on the top of the insulating seat body 8 at even intervals. The lower ends of the conductive copper pillars 10 are respectively inserted into the interior of the insulating base body 8 , and can be electrically connected to the connection locking bolts 14 via the conductors. Designed in this way, the insulating base body 8 realizes stable insertion in the lower case 3 under the connection effect of the conductive copper pillar 10 .

In one embodiment, the upper end of the conductive copper column 10 is embedded with a marble positioning pin 1001, and the inner lower end of the smart meter body 1 is provided with a conductive interface that is plugged and matched with the conductive copper column 10. The bottom of the lower shell box 3 is provided with an installation opening 301, and the insulating seat body 8 passes through the installation opening 301 and is plugged and matched with the conductive interface through the conductive copper column 10, so as to be plugged and installed on the lower shell The inner lower end of the box 3 is electrically connected to the smart meter body 1 . Designed in this way, the conductive copper column 10 is plugged into the smart meter body 1 to connect the circuit, and the pinball positioning pin 1001 plays the role of elastic clamping and positioning, which helps to improve the connection of the terminal unit. 2 The firmness of the installation.

In one embodiment, the terminal unit 2 further includes two sockets 9 respectively fixed on the left and right ends of the insulating seat body 8, and the left and right sides of the lower end of the inner wall of the lower shell box 3 are respectively fixed with Inserting the connecting rail 6, the socket 9 is slidably mated with the inserting rail 6;

The inside of the socket 9 is centered with a support plate 903 fixed, and the front and back of the support plate 903 are respectively connected with positioning bullets 901 via a plurality of damping springs 904, and the front and back of the socket 9 are respectively A guide through hole 902 for the positioning spring block 901 to penetrate or pass through is opened in the center. Under no external force, the upper end of the positioning spring block 901 protrudes from the socket 9, and the positioning spring block 901 The lower end of 901 protrudes into the socket 9, and the front and back sides of the socket rail 6 are respectively centered with positioning through holes 601 that snap and match with the positioning springs 901. In this way, when the socket 9 is inserted into the corresponding rail 6 in the lower shell box 3 and slid and mated, the positioning elastic block 901 is pressed into the socket under the pressure limit. 9, under no pressure limit, the damping spring 904 resets, and the positioning spring block 901 matches with the positioning through hole 601 and pops out, which helps to enhance the stability of the plug-in structure and prevent loosening.

In one embodiment, the back of the insulating base 8 is spaced apart from a plurality of snap-in sliding slots 17 that can be slidably matched with the plurality of snap-in sliding bars 7 distributed on the inner wall of the lower case 3 . . Designed in this way, the locking chute 17 further plays a role in improving the stability of the insertion of the insulating seat body 8 in the lower case 3 .

In one embodiment, a plurality of inner notches 13 are located in a row at the front lower end of the insulating base 8, and each inner notch 13 has two wiring locks distributed up and down at intervals. Tighten the bolts 14, and an upper sliding connecting piece 15 may be connected between the two wiring locking bolts 14, and the upper and lower sliding connecting pieces 15 are separately arranged with arc-shaped notches and limiting holes at intervals, and the limiting holes Socketed on the wiring locking bolt 14 at the lower end, the arc-shaped notch can slide against the wiring locking bolt 14 at the upper end, and the aperture of the limiting hole is consistent with the arc-shaped notch The calibers are all larger than the outer diameter of the bolt shank of the wiring locking bolt 14 . Designed in this way, the upper sliding connecting piece 15 slides smoothly between the upper and lower wiring locking bolts 14, and slides upward the sliding connecting piece 15 under the condition of no power failure, so that the limiting hole is tightly closed. Sleeved on the wiring locking bolt 14 at the lower end, the arc-shaped notch clings to the wiring locking bolt 14 touching the upper end to realize voltage interruption, otherwise slide the upper sliding connecting piece 15 downward , the arc-shaped notch is loosened from the wiring locking bolt 14 on the upper end, then the voltage path is realized, and the ammeter is normally connected to the circuit.

In one embodiment, the bottom of the insulating base 8 is evenly spaced with a plurality of wire inlets 16 for wire insertion, each of the wire inlets 16 is connected to each of the inner notches 13 and the conductive copper pillars 10 In one-to-one correspondence, at the same vertical axial position, the wire inlets 16 communicate with the conductors in the insulating base 8 . In such a design, the wires are inserted from the wire inlet 16, and then electrically communicated with the conductor and the conductive copper post 10 in sequence after being tightened by the wiring locking bolt 14, and finally electrically connected to the smart meter body 1 .

In one embodiment, it also includes a longitudinal spacer 11 and a transverse spacer 12, the longitudinal spacer 11 has a plurality of them, and they are evenly spaced and distributed on the front of the insulating base body 8, and two of the longitudinal spacers are adjacent to each other. An inner notch 13 is provided between the spacers 11, and the transverse spacers 12 are snap-fitted on a plurality of the longitudinal spacers 11, and the fronts of the transverse spacers 12 are located in each of the inner recesses. Identification plates 1201 are respectively pasted one by one correspondingly above the openings 13 . Designed in this way, the longitudinal spacer 11 and the transverse spacer 12 both play a protective role to the insulating base 8, and the identification plate 1201 is marked with the connection ports of the live wire and the neutral line to prevent misconnection and short circuit.

It should be understood that the examples and implementations described herein are for illustration only, and are not intended to limit the utility model, and those skilled in the art can make various modifications or changes based on it, and all within the spirit and principles of the utility model, the Any modification, equivalent replacement, improvement, etc., should be included in the protection scope of the present utility model.

Claims (10)

1. A single-phase smart meter for fast installation, comprising a smart meter body (1), characterized in that: it also includes a lower shell box (3), an upper panel cover (4), an upper sliding cover (5) and a terminal unit ( 2), the upper panel cover (4) is detachably installed on the front upper end of the lower shell box (3), and the upper sliding cover (5) is slidably installed on the front lower end of the lower shell box (3) , the upper sliding cover (5) is slidably connected to the bottom of the upper panel cover (4), and the smart meter body (1) is installed on the inner upper end of the lower shell box (3) and covers the Under the upper panel cover (4), the terminal unit (2) is plugged into the inner lower end of the lower shell box (3) and covered under the upper sliding cover (5). 2. The quick-installation single-phase smart meter as claimed in claim 1, characterized in that: the lower shell box (3) and the upper panel cover (4) are made of insulating plastic material, and the smart meter body (1) The display screen and function keys are respectively inlaid and mounted on the upper panel cover (4). 3. The quick installation single-phase smart meter according to claim 1, characterized in that: the upper sliding cover (5) is made of insulating transparent material, and the top of the upper sliding cover (5) is fixed with a limit bar (501 ), the bottom of the upper panel cover (4) is provided with a bar-shaped mouth (401) for the upper slide cover (5) to be inserted or slid out, and the section length and width of the bar-shaped mouth (401) are greater than It is equal to the section length and width of the upper panel cover (4), and the section length or width of the strip opening (401) is greater than or equal to the section length or width of the limit bar (501). 4. The quick-installation single-phase smart meter according to claim 3, characterized in that: a first magnetic strip (302) is inlaid on the front bottom of the lower case (3), and the upper sliding cover (5 ) is inlaid with a second magnetic strip (502) at the bottom of the back, and the first magnetic strip (302) and the second magnetic strip (502) are mutually attracted. 5. The quick installation single-phase smart meter according to claim 1, characterized in that: the terminal unit (2) comprises an insulating base (8) and a conductive copper column (10), the insulating base (8 ) is evenly spaced with a plurality of internal notches (13), and the internal threads of the internal notches (13) are equipped with wiring locking bolts that can be electrically connected to the corresponding conductors in the insulating base (8) (14), the conductive copper column (10) has a plurality of, evenly spaced on the top of the insulating base (8), the lower end of each of the conductive copper column (10) is inserted into the insulating base ( 8), and can be electrically connected to the wiring locking bolts (14) via each of the conductors. 6. The quick-installation single-phase smart meter according to claim 5, characterized in that: the upper end of the conductive copper column (10) is embedded with a marble positioning pin (1001), and the smart meter body (1) The inner lower end is provided with a conductive interface that is plugged and matched with the conductive copper column (10), and the bottom of the lower shell box (3) is provided with an installation opening (301), and the insulating base (8) passes through the The opening (301) is installed and plugged and matched with the conductive interface via the conductive copper column (10), so that it is plugged and installed at the inner lower end of the lower shell box (3), and is electrically connected to the smart meter body (1). 7. The quick installation single-phase smart meter according to claim 5, characterized in that: the terminal unit (2) also includes two sockets respectively fixed on the left and right ends of the insulating base (8) (9), the left and right sides of the lower end of the inner wall of the lower shell box (3) are respectively fixed with plug-in rails (6), and the plug-in seat (9) is slidingly mated with the plug-in rail (6); A support plate (903) is fixed in the center of the socket (9), the front and back of the support plate (903) are respectively connected with positioning springs (901) via a plurality of damping springs (904), and the The front and back sides of the socket (9) are respectively centered with guide through holes (902) for the positioning spring block (901) to penetrate or pass through. Under no external force, the positioning spring block (901) ) protrudes from the socket (9), the lower end of the positioning bullet (901) penetrates into the socket (9), and the front and back of the rail (6) are respectively centered A positioning through hole (601) is opened to snap fit with the positioning spring block (901). 8. The quick-installation single-phase smart meter according to claim 5, characterized in that: the back of the insulating base (8) is spaced with a plurality of spacers that can be respectively spaced from the inner wall of the lower case (3) A plurality of clamping sliding bars (7) slide the matched clamping chute (17) one by one. 9. The quick installation single-phase smart meter as claimed in claim 5, characterized in that: a plurality of said inner notches (13) are arranged in a row at the front lower end of said insulating base (8), and each said There are two wiring locking bolts (14) distributed up and down in the inner notch (13), and an upper sliding connecting piece (15) can be connected between the two wiring locking bolts (14). The upper sliding connecting piece (15) is respectively arranged with arc-shaped notches and limit holes at intervals up and down, and the limit holes are sleeved on the wiring locking bolts (14) at the lower end, and the arc-shaped notches The mouth can slide against the wiring locking bolt (14) at the upper end. 10. The quick-installation single-phase smart meter according to claim 5, characterized in that: the bottom of the insulating base (8) is evenly spaced with a plurality of wire inlets (16) for wire insertion, and each The wire inlet (16) is in one-to-one correspondence with each of the inner notches (13) and the conductive copper pillars (10), and is in the same vertical axial position, and the wire inlet (16) is connected to the insulating seat The conductor in the body (8).

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