CN215768719U

CN215768719U - Modular electric energy metering box with standardized design

Info

Publication number: CN215768719U
Application number: CN202121650694.5U
Authority: CN
Inventors: 刘旦旦; 赵涛; 陈燕; 匡财广
Original assignee: Tianshui Chengda Electric Co ltd
Current assignee: Tianshui Chengda Electric Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-02-08
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a modular electric energy metering box with standardized design, which is provided with a box body capable of being opened and closed, wherein a modular distribution substrate capable of being assembled and disassembled is arranged in the box body, a positioning and fastening structure is arranged between the distribution substrate and the inner wall of the box body, and an anti-leakage conduction structure is arranged on the inner wall of the box body. The modular distribution substrate that this electric-energy metering box has can be with a plurality of electrical accessories of direct equipartition in the box originally, wire etc. integrated on this distribution substrate to form modular electric-energy metering box, it has avoided electrical accessories in the metering box originally, the chaotic drawback that has the short circuit easily of wire equipartition, and this modular integrated distribution substrate can realize fast with the assembly of box. The inner wall of the box body is provided with a positioning and fastening structure, so that the rapid assembly and replacement operation of the distribution substrate are realized, and the anti-leakage conduction structure can effectively avoid the problem that rainwater permeating into the box body flows into the distribution substrate to cause short circuit.

Description

Modular electric energy metering box with standardized design

Technical Field

The utility model relates to the technical field of electric energy metering boxes, in particular to a modular electric energy metering box with a standardized design.

Background

The electric energy metering box is the total of metering appliances and auxiliary equipment necessary for metering electric energy, and comprises an electric energy meter, a voltage for metering, a current transformer and a secondary loop thereof, an electric energy metering screen, a cabinet, a box and the like. The batch meter can adopt suspension type or floor type installation. In order to ensure the installation quality, expansion bolts are arranged in the silkworm chrysalis for fixing the suspension type box body, and the size of the bolts meets the requirements of safety, firmness, outdoor installation conditions and the like.

Electric energy meter, electrical accessories and circuit in the conventional batch meter are walked the line and are all assembled according to actual need and arrange, and this kind of mode does not have unified assembly standard, and electrical accessories assembly position and winding displacement are all more chaotic, very easily have the problem of short circuit in the later stage use, cause great hidden danger to the power consumption safety. And because the box body is provided with more assembling parts and flat cables, the potential safety hazard is further increased after the measuring box is used for a long time and has the leakage problem.

Disclosure of Invention

In view of the above problems, the present invention is directed to a modular electric energy metering box with standardized design, which has a modular distribution substrate, a positioning and fastening structure, and an anti-leakage conduction structure. This batch meter has solved the drawback that there is the short circuit in electrical accessories, the chaotic easy existence of wire equipartition in the batch meter originally to this modularization integrated distribution substrate can realize fast with the assembly of box. The inner wall of the box body is provided with a positioning and fastening structure, so that the rapid assembly and replacement operation of the distribution substrate are realized, and the anti-leakage conduction structure can effectively avoid the problem that rainwater permeating into the box body flows into the distribution substrate to cause short circuit.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: the modular electric energy metering box is provided with a box body which can be opened and closed, a modular distribution substrate which can be assembled and disassembled is arranged in the box body, a positioning and fastening structure is arranged between the distribution substrate and the inner wall of the box body, and an anti-leakage conduction structure is arranged on the inner wall of the box body.

Preferably, the distribution substrate is a box structure with a hollow inner cavity, a conductor with a fixed trend is arranged in the hollow inner cavity, a single or multiple meter assembling positions, an electrical switch assembling position and an electrical accessory assembling position are arranged on the outer plane of the distribution substrate, and the assembling positions are all in conduction connection with the conductor.

Preferably, the positioning and fastening structure comprises inclined waist-shaped holes which are formed in the four corners of the power distribution substrate, the inclined waist-shaped holes which are symmetrical in the horizontal position are arranged in an inclined mode in opposite directions, and fastening screws in the inclined waist-shaped holes are fixedly arranged on the inner side wall of the box body and penetrate through the inner side wall of the box body.

Preferably, the four corners of the inner wall of the box body are symmetrically provided with fastening through holes for integrally fastening the box body up and down and left and right, and the anti-leakage conduction structure comprises a drainage plate which is vertically arranged on one side of the distribution substrate and is close to the fastening through holes which are symmetrically arranged up and down.

Preferably, the drainage plate includes in proper order from last to down to be higher than fastening fenestrate first vertical section, first slope section, straightway, second slope section, and be less than the bottom fastening fenestrate second vertical section.

Preferably, a drain hole is formed on the inner bottom surface of the box body between the second vertical section and the fastening through hole.

The utility model has the beneficial effects that: the modular distribution substrate that this electric-energy metering box has can be with a plurality of electrical accessories of direct equipartition in the box originally, wire etc. integrated on this distribution substrate to form modular electric-energy metering box, it has avoided electrical accessories in the metering box originally, the chaotic drawback that has the short circuit easily of wire equipartition, and this modular integrated distribution substrate can realize fast with the assembly of box. If break down after long-time the use, but the new distribution substrate that the structure is the same of quick replacement, very big shortening the maintenance cycle of batch meter. Meanwhile, the assembly and the line routing of the electrical accessories in the modular distribution substrate are both provided with designed positioning installation positions and routing modes, and the safety of the distribution substrate is far higher than that of a common metering box compared with the mode that the distribution substrate is directly distributed in a box body and has higher assembly standard.

The inner wall of the box body is provided with a positioning and fastening structure, so that the rapid assembly and replacement operation of the distribution substrate are realized, and the anti-leakage conduction structure can effectively avoid the problem that rainwater permeating into the box body flows into the distribution substrate to cause short circuit.

Drawings

Fig. 1 is a schematic diagram of the assembly of a power distribution substrate in a modular power metering box of the present invention.

Fig. 2 is a view showing an internal structure of the modular electric energy metering box of the present invention.

FIG. 3 is an enlarged view of FIG. 2A of the present invention.

Fig. 4 is a schematic view of the overall structure of the power distribution substrate according to the present invention.

Fig. 5 is an internal structure view of the power distribution substrate according to the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following further describes the technical solution of the present invention with reference to the drawings and the embodiments.

Referring to the modular electric energy metering box with the standardized design shown in the attached drawings 1-5, the metering box is provided with a box body 1 capable of being opened and closed, a modular distribution substrate 2 capable of being assembled and disassembled is arranged in the box body 1, the distribution substrate 2 can integrate a plurality of electrical accessories and wires which are originally and directly distributed in the box body 1 into the distribution substrate 2, so that a modular electric energy metering box is formed, the defect that short circuits easily exist due to disordered distribution of the electrical accessories and the wires in the original metering box is overcome, and the modular integrated distribution substrate 2 can be rapidly assembled with the box body 1. If break down after long-time the use, but the new distribution substrate 2 that the structure is the same of quick replacement, very big shortening the maintenance cycle of batch meter. Simultaneously, the assembly and the line routing of the electrical accessories in the modular distribution substrate 2 are both provided with designed positioning installation positions and routing modes, and the safety of the distribution substrate is far higher than that of a common metering box compared with the direct arrangement of the distribution substrate in the box body 1.

In order to facilitate the rapid positioning and assembly of the power distribution substrate 2 and the box body 1, a positioning and fastening structure is arranged between the power distribution substrate 2 and the inner wall of the box body 1, and the rapid assembly and replacement operation of the power distribution substrate 2 are realized through the positioning and fastening structure. Simultaneously in order to avoid the rainwater infiltration to cause the influence of short circuit to distribution substrate 2 in the box 1 the inner wall of box 1 is equipped with the antiseep conduction structure, can effectually avoid the rainwater that infiltrates in the box 1 to flow to the problem that causes the short circuit in distribution substrate 2 through this antiseep conduction structure. Preferably, the side surface and the bottom surface of the box body 1 are sequentially provided with a wire inlet hole and a wire outlet hole (neither of the two hole maps is shown) which are connected and conducted with the power distribution substrate 2.

Specifically, as shown in fig. 4 to 5, the distribution substrate 2 is a box structure having a hollow inner cavity 201, a conductor 3 having a fixed direction is disposed in the hollow inner cavity 201, a single or multiple meter assembling set 2a, an electrical switch assembling set 2b and an electrical accessory assembling set 2c are disposed on an outer side plane of the distribution substrate 2, and the assembling sets are all conductively connected to the conductor 3. The electric conductors 3 are arranged in the hollow inner cavity 201 in a fixed wiring mode designed according to the specific number of the epitope assembly, so that the standard is formed and the safety of the flat cable is improved. The meter attachment site 2a, the electrical switch attachment site 2b, and the electrical component attachment site 2c are provided on the outer surface of the same distribution board 2. Therefore, the power distribution substrate 2 has a uniform and standard assembly and wire arrangement mode, and the occurrence of circuit hidden troubles is effectively reduced.

Specifically, as shown in fig. 4, the positioning and fastening structure includes oblique waist-shaped holes 202 formed at four corners of the power distribution substrate 2, the oblique waist-shaped holes 202 symmetrical to each other in the horizontal position are arranged in an inclined manner, and fastening screws 11 (preferably, in a welding and fastening manner) are fixedly arranged on the inner side wall of the box 1 and penetrate through the oblique waist-shaped holes 202. When the distribution substrate 2 is assembled, the inclined waist-shaped hole 202 is sleeved on the fastening screw 11 of the box body 1, and the inclined waist-shaped hole 202 has a wider hole position, so that the distribution substrate is conveniently and quickly sleeved on the fastening screw 11. And the oblique waist-shaped holes 202 with symmetrical horizontal positions are all arranged obliquely, so that after the distribution substrate 2 is sleeved on the oblique waist-shaped holes 202, the fastening screws 11 are all clamped at the top ends of the oblique waist-shaped holes 202 under the action of gravity of the distribution substrate 2, and the horizontal movement of the distribution substrate 2 relative to the box body 1 can be limited. Subsequently, a fastening nut (not shown) is fitted over each fastening screw 11 to fasten the distribution board 2 to the box 1.

In order to assemble and fasten the whole box body 1, as shown in fig. 2, fastening through holes 101 for fastening the whole box body 1 are symmetrically formed at four corners of the inner wall of the box body 1 up and down and left and right, preferably, expansion screws are arranged at the installation positions (such as on the wall surface) of the box body 1 according to the hole positions of the fastening through holes 101, and the whole box body 1 is fastened and assembled by matching with the sleeving of the fastening through holes 101.

In order to avoid the problem that impurities such as rainwater flow to the distribution substrate 2 through the fastening through holes 101 penetrating into the box body 1, as shown in fig. 2, the anti-leakage conduction structure includes a flow guide plate 12 vertically disposed at one side of the fastening through holes 101, which are vertically symmetrical, close to the distribution substrate 2. Can be from the direct vertical drainage of impurity such as rainwater in fastening perforation 101 infiltration box 1 to flowing out on the box 1 bottom surface through this drainage plate 12, and stop rainwater and distribution base plate 2's contact, and then prevent that distribution base plate 2 from having the potential safety hazard problem of short circuit.

Specifically, the drainage plate 12 includes, from top to bottom, a first vertical section 12a, a first inclined section 12b, a straight section 12c, a second inclined section 12d, which are higher than the fastening through hole 101, and a second vertical section 12e, which is lower than the bottom of the fastening through hole 101. Wherein, the first vertical section 12a higher than the fastening perforation 101 can avoid rainwater to flow to one side of the drainage plate 12 close to the power distribution substrate 2, and the overall structure of the first inclined section 12b, the straight section 12c and the second inclined section 12d is for matching the side shape of the power distribution substrate 2, so that the overall structure of the box body 1 can be smaller, and the occupied space and the weight of the box body 1 are reduced. The second vertical section 12e below the bottom fastening through hole 101 also serves to guide rainwater to the bottom of the distribution substrate 2.

In order to facilitate rapid drainage of rainwater, a drainage hole 102 is formed on the inner bottom surface of the box body 1 between the second vertical section 12e and the fastening through hole 101. Rainwater drained through the drainage plate 12 is quickly drained through the drainage holes 102, avoiding accumulation on the inner bottom surface of the case body 1.

The principle of the utility model is as follows: the modular distribution substrate that this electric-energy metering box has can be with a plurality of electrical accessories of direct equipartition in the box originally, wire etc. integrated on this distribution substrate to form modular electric-energy metering box, it has avoided electrical accessories in the metering box originally, the chaotic drawback that has the short circuit easily of wire equipartition, and this modular integrated distribution substrate can realize fast with the assembly of box. The inner wall of the box body is provided with a positioning and fastening structure, so that the rapid assembly and replacement operation of the distribution substrate are realized, and the anti-leakage conduction structure can effectively avoid the problem that rainwater permeating into the box body flows into the distribution substrate to cause short circuit.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The modular electric energy metering box is in a standardized design, and is provided with a box body (1) capable of being opened and closed, a modular distribution substrate (2) capable of being assembled and disassembled is arranged in the box body (1), a positioning and fastening structure is arranged between the distribution substrate (2) and the inner wall of the box body (1), and an anti-leakage conduction structure is arranged on the inner wall of the box body (1).

2. The modular electric energy metering box of standardized design according to claim 1, characterized in that: the power distribution substrate (2) is a box structure with a hollow inner cavity (201), a conductor (3) with a fixed trend is arranged in the hollow inner cavity (201), a single or multiple meter assembling positions (2a), an electrical switch assembling position (2b) and an electrical accessory assembling position (2c) are arranged on the outer side plane of the power distribution substrate (2), and the assembling positions are all in conduction connection with the conductor (3).

3. The modular electric energy metering box of standardized design according to claim 2, characterized in that: the positioning and fastening structure comprises inclined waist-shaped holes (202) which are formed in the four corners of the power distribution substrate (2), and inclined waist-shaped holes (202) which are symmetrical in horizontal position are arranged in a mode that the inner side wall of the box body (1) is fixedly arranged and penetrates through fastening screw rods (11) in the inclined waist-shaped holes (202).

4. A modular power metering box of standardized design according to claim 3, characterized in that: the anti-leakage switch-on structure is characterized in that fastening through holes (101) for integrally fastening the box body (1) are formed in four corners of the inner wall of the box body (1) in an up-down and left-right symmetrical mode, and the anti-leakage switch-on structure comprises a drainage plate (12) which is vertically arranged on the fastening through holes (101) in the up-down symmetrical mode and is close to one side of the power distribution substrate (2).

5. The modular electric energy metering box of standardized design according to claim 4, characterized in that: drainage plate (12) from last to including being higher than in proper order down first vertical section (12a), first slope section (12b), straightway (12c), second slope section (12d) of fastening perforation (101) and be less than the bottom second vertical section (12e) of fastening perforation (101).

6. The modular electric energy metering box of standardized design according to claim 5, characterized in that: a water drainage hole (102) is formed on the inner bottom surface of the box body (1) between the second vertical section (12e) and the fastening through hole (101).