CN116914567A

CN116914567A - Modularized electric energy metering box structure

Info

Publication number: CN116914567A
Application number: CN202311169581.7A
Authority: CN
Inventors: 冯玉花
Original assignee: Laiwu Luneng Kaiyuan Group Electrical Appliance Co ltd
Current assignee: Laiwu Luneng Kaiyuan Group Electrical Appliance Co ltd
Priority date: 2023-09-12
Filing date: 2023-09-12
Publication date: 2023-10-20
Anticipated expiration: 2043-09-12
Also published as: CN116914567B

Abstract

The invention relates to the technical field of electrical equipment, in particular to a modularized electric energy metering box structure, which comprises a placement box, wherein a baffle plate is arranged in the placement box, a plurality of rectangular plates which are uniformly distributed from top to bottom are arranged on one side of the baffle plate, the rectangular plates are fixedly connected with the placement box, and threaded holes are formed in the front ends of the rectangular plates. When the electric energy metering box is installed, the box body is usually installed at a use position, a plurality of kilowatt-hour meters are sequentially placed on an installation frame in the box body, the installation frame is fixedly connected with the installation frame in a threaded connection mode, the electric parts installed by the installation method are high in stability, the kilowatt-hour meters are connected with the installation frame in a threaded connection mode, a certain time is required to be consumed for threaded fixation, and the installation time is long. The placement seat, the limiting mechanism and the blocking mechanism are matched, so that the function of rapidly positioning the ammeter can be realized, the use of a screw is reduced, the ammeter installation efficiency is improved, and the ammeter is convenient to install and disassemble.

Description

Modularized electric energy metering box structure

Technical Field

The invention relates to the technical field of electrical equipment, in particular to a modularized electric energy metering box structure.

Background

The electric energy metering box is equipment for electric energy metering, and the electric energy metering box comprises a combined transformer, a box body, an electric meter, a lightning arrester, a vacuum circuit breaker and the like, wherein the current metering precision is 0.2S, and the voltage metering precision grade is 0.2.

The electric energy metering box needs to be installed in a use position before use, the box body is usually installed in the use position during installation, a plurality of kilowatt-hour meters are sequentially placed on an installation frame in the box body, the installation frame is fixedly connected with the installation frame in a threaded connection mode, a plurality of wires are inserted into wiring positions of the kilowatt-hour meters, threads at the wiring positions are locked, electric parts such as a lightning arrester and a vacuum circuit breaker are installed on the electric energy metering box, the installation method is simple in process and high in flexibility, the stability of the installed electric parts is high, and the installation effect of the electric parts is good.

However, in the method, the electric meter is connected with the mounting frame in a threaded connection mode, a certain time is required to be consumed for threaded fixation, the mounting time is long, the operable space inside the electric energy metering box is small, a certain difficulty exists in threaded fixation, a plurality of wires are required to be sequentially inserted into the wiring positions of the electric meter by an installer, the electric meter is low in connection efficiency with the wires, and the problem of plugging deviation easily occurs.

Disclosure of Invention

Based on this, it is necessary to provide a modularization electric energy metering box structure, aims at solving the problem that the electric wire can not be fast inserted and matched with the electric meter in the process of installing the electric meter in the electric energy metering box in the prior art.

In order to achieve the above purpose, the present invention is implemented by adopting the following technical scheme: a modular power meter box structure comprising: place the case, place the incasement and install the baffle, baffle one side is provided with from last to a plurality of rectangular plates of lower evenly distributed, rectangular plate and place case fixed connection, and the screw hole has been seted up to rectangular plate front end.

The wire harness device is provided with a plurality of and evenly inserts from top to bottom on a plurality of rectangular plates, the wire harness device is including inserting the support frame on the rectangular plate, and the support frame is the U type structure that the opening was forward, has seted up a plurality of evenly distributed's opening group on the support frame upper side wall, and the opening group comprises a plurality of evenly distributed's removal opening, and the slip is connected with the fastener mechanism that is used for the centre gripping electric wire in the removal opening.

The fixing device is provided with a plurality of and evenly installs from left to right on the beam line device, fixing device is including being used for placing the seat of placing of ammeter, places the seat and is L type structure, has seted up a plurality of unwrapping wire openings that are used for the unwrapping wire on placing the seat horizontal segment, places the vertical section front end bilateral symmetry of seat and installs two stop gears that are used for restricting the ammeter position.

According to the embodiment of the invention, the wire harness device further comprises a rectangular frame sleeved on the rectangular plate and positioned in the support frame, the front end of the rectangular frame is provided with a wire baffle plate, and a connecting hole is formed in the wire baffle plate near the right side.

According to the embodiment of the invention, the wire clamp mechanism comprises a moving rod arranged in the moving opening, an anti-skid sleeve is sleeved on the moving rod, the rear end of the moving rod is in sliding connection with the upper side wall of the supporting frame, a V-shaped frame is arranged at the front end of the moving rod, two arc plates are symmetrically arranged at the front end of the V-shaped frame in a left-right mode, an arc groove is formed in the upper end of the arc plate, a moving arc plate is inserted in the arc groove, and a stop block is arranged on the outer annular surface of the upper end of the moving arc plate.

According to the embodiment of the invention, the fixing device further comprises two cylindrical rods which are symmetrically arranged at the upper end of the supporting frame in a left-right mode, sliding blocks are arranged on the two cylindrical rods in a penetrating mode, the front ends of the sliding blocks are fixedly connected with the placing seat, reset springs are arranged between the lower ends of the sliding blocks and the supporting frame, the upper ends of the sliding blocks are provided with baffle mechanisms, sliding frames are arranged on the left side wall and the right side wall of the horizontal section of the placing seat, rectangular through holes are formed in the front frame wall and the rear frame wall of the sliding frame, a positioning mechanism is sleeved in the middle of the sliding frame, and the lower ends of the positioning mechanisms are fixedly connected with the supporting frame.

According to the embodiment of the invention, the limiting mechanism comprises a limiting plate arranged at the front end of the vertical section of the placing seat, a moving plate is arranged on the limiting plate near the front side in a penetrating way, a strip-shaped plate is arranged at the opposite end of the moving plate, two connecting springs are symmetrically arranged between the strip-shaped plate and the limiting plate up and down, and inclined planes are arranged at the front sides of the opposite ends of the moving plate.

According to the embodiment of the invention, the baffle mechanism comprises a support column arranged at the upper end of the sliding block, the upper end of the support column is rotatably connected with a baffle plate, and a rubber anti-slip pad is arranged at one end, far away from the support column, of the lower end of the baffle plate.

According to the embodiment of the invention, the positioning mechanism comprises a positioning strip arranged at the upper end of the support frame, a positioning through hole is formed in the positioning strip, a positioning rod is inserted into the positioning through hole, and the positioning rod is in insertion fit with the rectangular through hole on the sliding frame.

According to the embodiment of the invention, the placing box consists of a box body and a box cover, wherein the box body is hinged with the box cover, and a plurality of uniformly distributed glass is arranged on the box cover.

According to the embodiment of the invention, a plurality of rectangular openings for threading are formed in the partition plate.

In summary, the present invention includes at least one of the following beneficial technical effects: 1. the seat of placing that adopts cooperates with stop gear and separating and keeping off the mechanism, can realize carrying out the function of quick location to the ammeter to reduced the use of screw rod, improved the efficiency of ammeter installation, and make things convenient for the installation and the dismantlement of ammeter.

2. The wire clamp mechanism can clamp and limit the electric wire, so that the electric wire connected with the electric meter is prevented from bending in the vertical section, the electric wire is convenient to butt against the electric meter, the electric meter is prevented from deviating during butt joint, the electric meter and the electric wire are ensured to be connected, and the step of repeatedly plugging the electric wire is omitted.

3. The ammeter is through placing the seat and move downwards and peg graft the cooperation with many electric wires simultaneously, has improved ammeter and electric wire connection's efficiency, has reduced the required time of ammeter installation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 shows a schematic perspective view of a first perspective view of a modular power meter box structure according to an embodiment of the invention.

Fig. 2 is a schematic view showing a second perspective structure of a modular power metering box structure according to an embodiment of the present invention.

Fig. 3 illustrates a front view of a modular power meter box structure provided in accordance with an embodiment of the invention.

Figure 4 shows a cross-sectional view of A-A in figure 3.

Fig. 5 shows a cross-sectional view of B-B in fig. 3.

Fig. 6 shows a schematic structural view of a box body, a rectangular plate, a wire harness device and a fixing device of a modular power metering box structure according to an embodiment of the present invention.

Fig. 7 shows an enlarged view of the N region in fig. 6.

Wherein the above figures include the following reference numerals: 1. placing a box; 11. a case; 12. a case cover; 2. a partition plate; 21. a rectangular opening; 3. a rectangular plate; 4. a wire harness device; 41. a support frame; 42. moving the opening; 43. a wire clamp mechanism; 431. a moving rod; 432. a V-shaped frame; 433. an arc-shaped plate; 434. moving the arc plate; 435. a stop block; 44. a rectangular frame; 45. a wire baffle plate; 5. a fixing device; 51. a placement seat; 511. paying out an opening; 52. a limiting mechanism; 521. a limiting plate; 522. a moving plate; 523. a strip-shaped plate; 524. a connecting spring; 53. a cylindrical rod; 54. a sliding block; 55. a return spring; 56. a barrier mechanism; 561. a support column; 562. a baffle plate; 57. a sliding frame; 58. a positioning mechanism; 581. a positioning strip; 582. and a positioning rod.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.

Referring to fig. 1-5, a modular power meter box structure comprising: place case 1, place case 1 internally and install baffle 2, baffle 2 one side is provided with from last to a plurality of rectangular plates 3 of lower evenly distributed, rectangular plate 3 with place case 1 fixed connection, the screw hole (not shown in the figure) is offered to rectangular plate 3 front end.

Referring to fig. 1 and 2, the placement box 1 is composed of a box body 11 and a box cover 12, the box body 11 is hinged with the box cover 12, and a plurality of uniformly distributed glass is installed on the box cover 12.

Referring to fig. 2, the partition plate 2 is provided with a plurality of rectangular openings 21 for threading.

Referring to fig. 2, 4 and 6, the modular electric energy metering box structure further includes a wire harness device 4, the wire harness device 4 is provided with a plurality of wire harnesses and is evenly inserted on a plurality of rectangular plates 3 from top to bottom, the wire harness device 4 includes a support frame 41 inserted on the rectangular plates 3, the support frame 41 is of a U-shaped structure with a forward opening, a plurality of evenly distributed opening groups are formed in the upper side wall of the support frame 41, each opening group is composed of a plurality of evenly distributed moving openings 42, and a wire clamping mechanism 43 for clamping wires is slidably connected in the moving openings 42.

Referring to fig. 2, 4 and 6, in a specific operation, a plurality of support frames 41 are manually inserted into a plurality of rectangular plates 3 respectively, and the support frames 41 drive a plurality of wire clamping mechanisms 43 to move into the box 11.

Referring to fig. 4, 6 and 7, the wire clamping mechanism 43 includes a moving rod 431 disposed in the moving opening 42, an anti-slip sleeve is sleeved on the moving rod 431, the rear end of the moving rod 431 is slidably connected with the upper side wall of the supporting frame 41, a V-shaped frame 432 is mounted at the front end of the moving rod 431, two arc plates 433 are mounted at the front end of the V-shaped frame 432 in bilateral symmetry, an arc groove is formed at the upper end of the arc plate 433, a moving arc plate 434 is inserted in the arc groove, and a stop block 435 is mounted on the outer annular surface of the upper end of the moving arc plate 434.

Referring to fig. 2, fig. 4, fig. 6 and fig. 7, in specific operation, in an initial state, the movable arc plate 434 is lifted to the uppermost end of the arc plate 433, in order to prevent the movable arc plate 434 from accidentally sliding down, a rubber layer is wrapped on the surface of the movable arc plate 434, a plurality of wires pass through the rectangular opening 21 on the partition plate 2 and are bent to 90 ° manually, then a plurality of vertical sections of the wires are respectively placed in front of the plurality of V-shaped frames 432 and between the two arc plates 433, the V-shaped frames 432, the arc plates 433, the movable arc plates 434 and the stop block 435 are made of plastic materials and have certain elasticity, then the wires are pushed, the wires push the V-shaped frames 432 and drive the movable rods 431 to slide in the movable opening 42, the rear end of the movable rod 431 slides in the upper side wall of the support frame 41, the distance between the movable opening 42 is smaller than the distance between the openings of the V-shaped frames 432, when the V-shaped frames 432 move to the movable opening 42, the movable opening 432 pushes the V-shaped frames 432, the vertical sections of the V-shaped frames 432 are stressed and drive the two electric meters to gather together, the two electric meters 433 clamp the two electric wires, the two electric meters 433 to be clamped to the two arc plates 433, and the electric wires are in a vertical state, and the electric meters are kept in a vertical state, and the two arc plates 433 are kept in a state, and are kept in a vertical state, and are kept in a state, after the electric wire is kept in a vertical state, and the vertical state and the electric meters are kept in a vertical state, and are kept in a state and are kept in a vertical state.

Referring to fig. 6, the wire harness device 4 further includes a rectangular frame 44 sleeved on the rectangular plate 3 and located inside the supporting frame 41, a wire blocking plate 45 is mounted at the front end of the rectangular frame 44, and a connection hole is formed in the wire blocking plate 45 near the right side.

Referring to fig. 6, in specific operation, after the electric wire is positioned, the wire blocking plate 45 is manually inserted into the rectangular plate 3 through the rectangular frame 44 and moves towards the inside of the supporting frame 41 until the rectangular frame 44 is tightly attached to the vertical section of the supporting frame 41, and then the existing threaded rod passes through the connecting hole and is in threaded connection with the threaded hole on the rectangular plate 3, so that the wire blocking plate 45 is limited, and the wire blocking plate 45 is used for limiting and blocking the electric wire.

Referring to fig. 5 and 6, the modular electric energy metering box structure further includes a fixing device 5, the fixing device 5 is provided with a plurality of fixing devices and is uniformly installed on the wire harness device 4 from left to right, the fixing device 5 includes a placement seat 51 for placing an electric meter, the placement seat 51 is in an L-shaped structure, a plurality of paying-off openings 511 for paying-off are formed in a horizontal section of the placement seat 51, and two limiting mechanisms 52 for limiting the position of the electric meter are symmetrically installed at the front end of a vertical section of the placement seat 51.

Referring to fig. 5 and 6, the fixing device 5 further includes two cylindrical rods 53 symmetrically mounted on the upper end of the support frame 41, two cylindrical rods 53 are jointly provided with a sliding block 54 in a penetrating manner, the front end of the sliding block 54 is fixedly connected with the placement seat 51, a return spring 55 is mounted between the lower end of the sliding block 54 and the support frame 41, a blocking mechanism 56 is mounted on the upper end of the sliding block 54, sliding frames 57 are mounted on the left side wall and the right side wall of the horizontal section of the placement seat 51, rectangular through holes are formed in the front frame wall and the rear frame wall of the sliding frame 57, a positioning mechanism 58 is sleeved in the middle of the sliding frame 57, and the lower end of the positioning mechanism 58 is fixedly connected with the support frame 41.

Referring to fig. 5 and 6, in a specific operation, the support 41 drives the sliding blocks 54 to move into the case 11 through the cylindrical rods 53, the sliding blocks 54 drive the placing seats 51 to move into the case 11, and then the electric meter is placed on the placing seats 51.

Referring to fig. 5 and 6, the limiting mechanism 52 includes a limiting plate 521 mounted at the front end of the vertical section of the placement seat 51, a moving plate 522 is disposed on the limiting plate 521 near the front side, a strip-shaped plate 523 is mounted at the opposite end of the moving plate 522, two connecting springs 524 are symmetrically mounted between the strip-shaped plate 523 and the limiting plate 521, and inclined surfaces are disposed at the front sides of the opposite ends of the moving plate 522.

Referring to fig. 5 and 6, in specific operation, an electric meter is manually pressed onto the placement seat 51 from between two limiting plates 521, the electric meter pushes inclined planes on two moving plates 522 when pressing, the two moving plates 522 are stressed and separated, so that the blocking of the electric meter is relieved, the electric meter continues to move and clings to a vertical section of the placement seat 51, the electric meter is separated from the moving plates 522, the moving plates 522 are reset through connecting springs 524 between the strip plates 523 and the limiting plates 521, the front end of the electric meter is limited, and the function of limiting four directions of the electric meter is realized.

Referring to fig. 5 and 6, the blocking mechanism 56 includes a supporting column 561 mounted on the upper end of the sliding block 54, a blocking plate 562 is rotatably connected to the upper end of the supporting column 561, and a rubber anti-slip pad is mounted at the lower end of the blocking plate 562, which is far away from the supporting column 561.

Referring to fig. 5 and 6, in a specific operation, in an initial state, the baffle plate 562 is parallel to the placing seat 51, after the electric meter is placed on the placing seat 51, the baffle plate 562 is rotated, and the baffle plate 562 is rotated to the upper end of the electric meter, so that the upper and lower positions of the electric meter are limited, the anti-slip pad on the baffle plate 562 plays a role of increasing friction force between the baffle plate 562 and the electric meter, accidental movement of the baffle plate 562 is avoided, use of threads during installation of the electric meter is reduced, and efficiency of installation of the electric meter is improved.

Referring to fig. 5 and 6, the positioning mechanism 58 includes a positioning bar 581 mounted on the upper end of the support 41, a positioning through hole is formed in the positioning bar 581, a positioning rod 582 is inserted into the positioning through hole, and the positioning rod 582 is inserted into and matched with the rectangular through hole on the sliding frame 57.

Referring to fig. 5 and 6, in specific operation, after the ammeter is placed, press down the ammeter, the ammeter drives the sliding block 54 through placing seat 51 and moves down, the cylinder pole 53 plays the effect of direction to the slip of sliding block 54, place seat 51 and drive two sliding frame 57 down move to the location through-hole department on the location strip 581, rectangle through-hole and location through-hole position on sliding frame 57 are unanimous this moment, afterwards peg graft locating lever 582 in rectangle through-hole and location through-hole, thereby carry out spacing to sliding frame 57, further realize the spacing to placing seat 51, place seat 51 and drive the ammeter when moving down, the unwrapping wire opening 511 lower extreme of placing seat 51 horizontal segment is pushed out movable arc board 434 and dog 435, movable arc board 434 slides down in the arc groove on arc 433 and exposes the electric wire that needs to insert in the ammeter, the electric wire that exposes is in vertical state and is in the position that corresponds with the junction of ammeter, the ammeter continues to move down, realize the junction and the function of the multiple electric wire of electric wire simultaneous grafting complex of electric meter that the ammeter is connected, the step that the installer inserts the ammeter is easy in proper order, and the electric wire cover is gone up to the jack-up, and the problem of installing 11 is accomplished, install the jack-box is avoided, install the wire cover is completed, install step 11 is completed, install the jack-up time is completed, and install step 11 is completed.

The invention is particularly used: s1: the plurality of support frames 41 are respectively inserted into the plurality of rectangular plates 3 in a manual mode, and the support frames 41 drive the plurality of wire clamping mechanisms 43 to move into the box 11.

S2: the wire is manually inserted into the rectangular opening 21 on the partition plate 2 and bent to 90 degrees, then the vertical sections of the wires are respectively placed in the wire clamping mechanisms 43, then the wires are pushed, the wire is pushed to the wire clamping mechanisms 43 and slides in the moving openings 42, the wires drive the wire clamping mechanisms 43 to move to the rear ends of the moving openings 42 and then stop, the wire blocking plate 45 is manually inserted into the rectangular plate 3 through the rectangular frame 44 and moves towards the inside of the supporting frame 41 until the rectangular frame 44 is tightly attached to the vertical sections of the supporting frame 41, and then the existing threaded rods penetrate through the connecting holes and are in threaded connection with the threaded holes in the rectangular plate 3, so that the wire blocking plate 45 is limited.

S3: the electricity meter is placed on the placement seat 51 manually, the limiting mechanism 52 limits the front, back, left and right directions of the electricity meter, and the blocking mechanism 56 limits the upper position and the lower position of the electricity meter.

S4: the electricity meter is pressed downwards manually, the electricity meter drives the sliding block 54 to move downwards through the placing seat 51, the placing seat 51 drives the two sliding frames 57 to move downwards to the position of the positioning through hole on the positioning strip 581, at the moment, the rectangular through hole on the sliding frame 57 is consistent with the position of the positioning through hole, then the positioning rod 582 is inserted into the rectangular through hole and the positioning through hole, thereby the sliding frame 57 is limited, further realizing the limitation of the placing seat 51, when the placing seat 51 drives the electricity meter to move downwards, the lower end of the paying-off opening 511 of the horizontal section of the placing seat 51 pushes the movable arc plate 434 and the stop block 435, the movable arc plate 434 slides downwards in the arc groove on the arc plate 433, the exposed electric wire is exposed, the exposed electric wire is in the vertical state and is located at the same position with the wiring position of the electricity meter, the electric meter continues to move downwards, the function of simultaneously inserting and matching with a plurality of electric wires which are required to be connected is realized at the wiring position of the electricity meter is realized, then, the mounting personnel screw threads at the wiring position are screwed tightly, after all the electricity meter mounting is completed, the cover 12 is covered on the box 11, and the mounting is finished.

In the description of the embodiments of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "outer", etc., are based on those shown in the drawings, are merely for convenience of describing the embodiments of the present invention and for simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality", "a plurality of groups" is two or more.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The embodiments of the present invention are all preferred embodiments of the present invention, and are not limited in scope by the present invention, so that all equivalent changes according to the structure, shape and principle of the present invention are covered in the scope of the present invention.

Claims

1. The utility model provides a modularization electric-energy metering box structure, is including placing case (1), place install baffle (2) in case (1), baffle (2) one side is provided with from last to a plurality of rectangular plates (3) of lower evenly distributed, rectangular plate (3) with place case (1) fixed connection, threaded hole, its characterized in that are offered to rectangular plate (3) front end:

the wire harness device (4) is provided with a plurality of wire harness devices which are uniformly inserted on the rectangular plates (3) from top to bottom, the wire harness devices (4) comprise supporting frames (41) which are inserted on the rectangular plates (3), the supporting frames (41) are of a U-shaped structure with front openings, a plurality of opening groups which are uniformly distributed are formed in the upper side walls of the supporting frames (41), each opening group consists of a plurality of movable openings (42) which are uniformly distributed, and wire clamping mechanisms (43) which are used for clamping wires are connected in a sliding mode in the movable openings (42);

fixing device (5), be provided with a plurality of and from left to right evenly install on beam line device (4), fixing device (5) are including being used for placing seat (51) of placing the ammeter, place seat (51) and are L type structure, have seted up a plurality of unwrapping wire openings (511) that are used for the unwrapping wire on placing seat (51) horizontal segment, place seat (51) vertical section front end bilateral symmetry and install two stop gear (52) that are used for restricting the ammeter position.

2. A modular power metering box structure as claimed in claim 1, wherein: the wire binding device (4) further comprises a rectangular frame (44) which is sleeved on the rectangular plate (3) and located in the supporting frame (41), a wire blocking plate (45) is mounted at the front end of the rectangular frame (44), and a connecting hole is formed in the wire blocking plate (45) close to the right side.

3. A modular power metering box structure as claimed in claim 1, wherein: the wire clamp mechanism (43) comprises a moving rod (431) arranged in the moving opening (42), the rear end of the moving rod (431) is in sliding connection with the upper side wall of the supporting frame (41), a V-shaped frame (432) is arranged at the front end of the moving rod (431), two arc plates (433) are symmetrically arranged at the front end of the V-shaped frame (432), an arc groove is formed in the upper end of each arc plate (433), a moving arc plate (434) is inserted in each arc groove, and a stop block (435) is arranged on the outer annular surface of the upper end of each moving arc plate (434).

4. A modular power metering box structure as claimed in claim 1, wherein: the fixing device (5) further comprises two cylindrical rods (53) which are symmetrically arranged at the upper end of the supporting frame (41), sliding blocks (54) are jointly arranged on the cylindrical rods (53) in a penetrating mode, the front ends of the sliding blocks (54) are fixedly connected with the placing seat (51), reset springs (55) are arranged between the lower ends of the sliding blocks (54) and the supporting frame (41), baffle mechanisms (56) are arranged at the upper ends of the sliding blocks (54), sliding frames (57) are arranged on the left side wall and the right side wall of the horizontal section of the placing seat (51), rectangular through holes are formed in the front frame wall and the rear frame wall of the sliding frames (57), positioning mechanisms (58) are sleeved at the middle of the sliding frames (57), and the lower ends of the positioning mechanisms (58) are fixedly connected with the supporting frame (41).

5. A modular power metering box structure as claimed in claim 1, wherein: the limiting mechanism (52) comprises a limiting plate (521) arranged at the front end of the vertical section of the placement seat (51), a moving plate (522) is arranged on the limiting plate (521) in a penetrating mode and close to the front side, a strip-shaped plate (523) is arranged at the opposite end of the moving plate (522), two connecting springs (524) are symmetrically arranged between the strip-shaped plate (523) and the limiting plate (521) up and down, and inclined planes are arranged at the front sides of the opposite ends of the moving plate (522).

6. A modular power metering box structure as claimed in claim 4, wherein: the baffle mechanism (56) comprises a support column (561) arranged at the upper end of the sliding block (54), the upper end of the support column (561) is rotatably connected with a baffle plate (562), and a rubber anti-slip pad is arranged at one end, far away from the support column (561), of the lower end of the baffle plate (562).

7. A modular power metering box structure as claimed in claim 4, wherein: the positioning mechanism (58) comprises a positioning strip (581) arranged at the upper end of the supporting frame (41), a positioning through hole is formed in the positioning strip (581), a positioning rod (582) is inserted into the positioning through hole, and the positioning rod (582) is in insertion fit with the rectangular through hole in the sliding frame (57).

8. A modular power metering box structure as claimed in claim 1, wherein: the placing box (1) consists of a box body (11) and a box cover (12), wherein the box body (11) is hinged with the box cover (12), and a plurality of uniformly distributed glasses are arranged on the box cover (12).

9. A modular power metering box structure as claimed in claim 1, wherein: a plurality of rectangular openings (21) for threading are formed in the partition plate (2).