CN217720278U - Power distribution device convenient to maintain - Google Patents

Power distribution device convenient to maintain Download PDF

Info

Publication number
CN217720278U
CN217720278U CN202221976895.9U CN202221976895U CN217720278U CN 217720278 U CN217720278 U CN 217720278U CN 202221976895 U CN202221976895 U CN 202221976895U CN 217720278 U CN217720278 U CN 217720278U
Authority
CN
China
Prior art keywords
copper bar
switch
wire
zero line
plate
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
Application number
CN202221976895.9U
Other languages
Chinese (zh)
Inventor
赵生智
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHAANXI PROSPECT CO LTD
Original Assignee
SHAANXI PROSPECT CO LTD
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHAANXI PROSPECT CO LTD filed Critical SHAANXI PROSPECT CO LTD
Priority to CN202221976895.9U priority Critical patent/CN217720278U/en
Application granted granted Critical
Publication of CN217720278U publication Critical patent/CN217720278U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Distribution Board (AREA)

Abstract

The utility model discloses a distribution device convenient to maintain, include: the shell is internally provided with a hollow cavity; the main switch is arranged in the cavity, and the wire inlet end of the main switch is connected with the live wire; the outlet end of the transformer is provided with a live wire copper bar; the zero line copper bar is arranged on one side of the fire wire copper bar in the cavity and is parallel to the fire wire copper bar; the zero line copper bar is connected with the zero line; the ground wire copper bar is arranged on one side, far away from the fire wire copper bar, of the zero line copper bar, the ground wire copper bar is arranged in parallel to the zero line copper bar, and the ground wire copper bar is connected with a ground wire; a plurality of earth leakage protection switches set up between live wire copper bar and zero line copper bar, and earth leakage protection switch passes through the copper bar to be connected with the zero line copper bar, and earth leakage protection switch passes through the wire to be connected with zero line copper bar and ground wire copper bar. The utility model discloses, simple structure, convenient to use, earth leakage protection switch are connected with the copper bar through copper bar and wire respectively, have reduced the length of the inside wiring of distribution equipment to improve the clean and tidy nature of its inside wiring, made things convenient for it to connect and later maintenance.

Description

Power distribution device convenient to maintain
Technical Field
The utility model relates to a block terminal technical field, concretely relates to distribution device convenient to maintain.
Background
The distribution box is an electrical device, and the low-voltage distribution box is formed by packaging switch equipment, a measuring instrument, a protective electrical appliance and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch.
A conventional distribution box generally includes a main switch and a plurality of branch switches, wherein a live wire and a zero wire are provided at an input end of the main switch, and the live wire and the zero wire are led out from an output end of the main switch and connected to the branch switches through wires. Along with the increase of the quantity of inserting electrical equipment, the increase of switch quantity, the volume of block terminal need continuous increase, and the complexity of wiring circuit in the block terminal also constantly increases simultaneously to cause the wiring confusion in the block terminal, lead to the increase of circuit short circuit risk, influence the security that the block terminal used.
Therefore, the invention patent CN107171224a in china provides a single-wire connected and arranged power distribution device, which includes a metal box and a box door, the metal box is hinged to the box door, a mounting plate is arranged in the metal box, the mounting plate is provided with a power main switch, a plurality of circuit breakers, a zero line exclusion, a protective ground line exclusion and three wire connectors, the power main switch leads out three phase wires, each phase wire is connected with one wire connector, the wire connectors are provided with a plurality of wiring terminals, the number of the wiring terminals is not less than the number of the circuit breakers, the wiring terminals are connected with corresponding phase wire connectors on the circuit breakers through a single wire, and the zero line exclusion and the protective ground line exclusion are both connected with the circuit breakers in a single direction. Above-mentioned scheme has reduced wire circuit complicacy in block terminal or the switch board to a certain extent, has connected the problem that is not pleasing to the eye.
However, in the above scheme, the main switch and the circuit breaker are connected through the wiring terminal on the connector, when the connector adopts the structure that sets up about with the circuit breaker, each circuit breaker sets up in one side of connector, still needs longer wiring to be connected between the wiring terminal on the connector and the branch switch, when branch switch quantity is more, still has the problem that the circuit is chaotic, connect not aesthetic, the operating cost when having increased branch switch and connecting, has increased distribution equipment's the later maintenance degree of difficulty.
In view of this, it is urgently needed to improve the structure of the power distribution apparatus in the prior art so as to reduce the wiring operation difficulty of the power distribution apparatus, and reduce the wiring operation cost, the post-maintenance difficulty and the post-maintenance cost thereof.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the inside overall arrangement of current distribution device is unreasonable, lead to the wiring degree of difficulty big, wiring operation and the high problem of maintenance cost.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts as follows:
an electrical distribution apparatus for facilitating maintenance, comprising:
the shell is internally provided with a hollow cavity;
the main switch is arranged in the cavity, and the wire inlet end of the main switch is connected with the live wire; the outlet end of the transformer is connected with the live wire copper bar;
the zero line copper bar is arranged on one side of the fire wire copper bar in the cavity and is parallel to the fire wire copper bar; the zero line copper bar is connected with the zero line;
the ground wire copper bar is arranged on one side, far away from the fire wire copper bar, of the zero line copper bar, the ground wire copper bar is arranged in parallel to the zero line copper bar, and the ground wire copper bar is connected with a ground wire;
a plurality of earth leakage protection switches set up the live wire copper bar with between the zero line copper bar, earth leakage protection switch pass through the copper bar with the zero line copper bar is connected, earth leakage protection switch pass through the wire with the zero line copper bar with the ground wire copper bar is connected.
In the above technical scheme, preferably, the zero line copper bars are two groups, two groups of the zero line copper bars are respectively arranged on two sides of the fire line copper bars, two groups of the zero line copper bars and two groups of the ground line copper bars are respectively connected through hard wires, and the hard wires are bent into a U shape.
In the above technical solution, preferably, the housing includes:
the shell is enclosed by a top plate, a bottom plate, side plates and a rear plate, wherein outer door plates which are oppositely arranged are arranged on the front end surfaces of the side plates, and the outer door plates are hinged with the side plates;
the main switch cover plate is arranged at the upper part of the cavity, the main switch cover plate is detachably connected with the top plate and the side plate, and the main switch is arranged between the main switch cover plate and the rear plate;
the inner door plates are arranged below the main switch cover plate, and the two inner door plates are respectively connected with the two side plates; the inner door plate is provided with an electric leakage protection switch groove, and the electric leakage protection switch is arranged in the electric leakage protection switch groove;
the baffle sets up the copper bar reaches the front side of live wire copper bar is located the copper bar reaches the live wire copper bar with between the interior door plant, be used for the protection the copper bar with the live wire copper bar.
In the above technical solution, preferably, the earth leakage protection switches are disposed on the rear plate through a switch bracket, and the switch bracket includes:
the switch mounting plate is arranged in parallel to the rear plate, and the plurality of leakage protection switches are arranged on the front end face of the switch mounting plate along the length direction of the switch mounting plate;
the switch supporting plate is arranged on the rear end face of the switch mounting plate, and a lead through groove penetrating through the switch supporting plate is formed in the switch supporting plate;
and the support connecting plate is arranged on the rear end face of the switch supporting plate and is fixedly connected with the rear plate.
In above-mentioned technical scheme, it is preferred, still be equipped with the copper bar support in the casing, the copper bar support includes:
the stand column is arranged in parallel to the fire wire copper bar, the zero line copper bar and the ground wire copper bar and is fixedly connected with the rear plate;
a plurality of copper bar backup pads set up on the preceding terminal surface of stand, it is a plurality of copper bar backup pad parallel arrangement, the live wire copper bar zero line copper bar with the ground wire copper bar sets up on the preceding terminal surface of copper bar backup pad, through insulating mounting with the copper bar backup pad is connected.
In the above technical scheme, preferably, the column is an angle steel, the column is provided with a plurality of first waist-shaped holes arranged along the length direction of the column, the two ends of the copper bar supporting plate are provided with second waist-shaped holes, and the first waist-shaped holes are perpendicular to the second waist-shaped holes.
In the above technical solution, preferably, one end of the wire is connected to the earth leakage protection switch, and the other end of the wire penetrates through the wire through groove and is connected to the zero line copper bar or the ground line copper bar through a copper sheet disposed on an end of the wire.
In the above technical solution, preferably, the main switch cover plate is provided with a handle and a main switch installation groove, and a panel of the main switch is disposed in the main switch installation groove.
In the above technical solution, preferably, the ground wire copper bar is provided with a plurality of ground terminals arranged along a length direction thereof, the ground terminals correspond to the earth leakage protection switches one to one, and the earth leakage protection switches and the ground terminals corresponding to one are arranged on the same straight line.
In the above technical solution, preferably, the copper bar includes:
a bolt is arranged at one end of the horizontal part, the width of the bolt is smaller than that of the horizontal part, and the bolt is inserted into a jack of the leakage protection switch and is connected with the leakage protection switch;
the connecting part is arranged parallel to the horizontal part, and is provided with a through hole for connecting with the fire wire copper bar;
a support part for connecting the horizontal part and the connection part.
Compared with the prior art, the utility model provides a distribution device convenient to maintain, through the multiunit copper bar that sets up side by side in its shell and set up a plurality of earth-leakage protection switches between the copper bar, each earth-leakage switch passes through the wire and the copper bar is connected with the copper bar, the clean and tidy nature of wiring in the electric cabinet and the readability of switch circuit in the electric cabinet have been improved, earth-leakage protection switch passes through the wire and the copper bar is connected, greatly reduced micro-gap switch's wiring length, and the differentiation of type of working a telephone switchboard is carried out through wire and copper bar, reduce the degree of difficulty of distribution equipment wiring and distribution equipment's later maintenance cost.
Drawings
Fig. 1 is a perspective view of a power distribution apparatus of the present invention for easy maintenance;
fig. 2 is a schematic structural view of a power distribution apparatus convenient for maintenance according to the present invention;
FIG. 3 is a schematic structural view of the internal component of the middle chamber of the present invention;
FIG. 4 is an enlarged schematic view at A in FIG. 2;
FIG. 5 is a schematic structural view of a copper bar in the present invention;
fig. 6 is a schematic structural diagram of the middle switch bracket of the present invention.
The correspondence between the names and reference numbers of the components in fig. 1 to 6 is as follows:
a shell 1, a main switch 2, a zero line copper bar 3, a ground wire copper bar 4, a leakage protection switch 5, a hard lead 6, a copper bar bracket 7, a switch bracket 8,
a cavity 10, a top plate 11, a bottom plate 12, a side plate 13, a back plate 14, an outer door plate 15, a main switch cover plate 16, an inner door plate 17, a clapboard 18, a leakage protection switch groove 19,
a handle 161, a main switch setting groove 162,
an electricity inlet copper bar 21, a copper nose 22, a fire wire copper bar 23,
the length of the copper strip 51, the wire 52,
a horizontal portion 511, a connecting portion 512, a supporting portion 513, a latch 514, a through hole 515,
the column 71, the copper bar supporting plate 72, the first waist-shaped hole 73, the second waist-shaped hole 74,
switch mounting plate 81, switch support plate 82, bracket connecting plate 83, wire through groove 84.
Detailed Description
The utility model provides a distribution device convenient to maintain, simple structure, convenient to use, earth leakage protection switch are connected with the copper bar through copper bar and wire respectively, have reduced the length of the inside wiring of distribution equipment to improve the clean and tidy nature of its inside wiring, make things convenient for it to connect and later maintenance. The invention is described in detail below with reference to the drawings and the detailed description.
As shown in fig. 1 to 6, the utility model provides a distribution device convenient to maintain, including shell 1 and set up main switch 2, zero line copper bar 3, ground wire copper bar 4 and a plurality of earth leakage protection switch 5 in the shell 1.
The shell 1 comprises a shell body which is enclosed by a top plate 11, a bottom plate 12, a side plate 13 and a rear plate 14 and is provided with a hollow cavity 10, an outer door plate 15 which is oppositely arranged is arranged on the front end surface of the side plate 13, and the outer door plate 15 is hinged with the side plate 13.
The main switch 2 is arranged on the upper portion of the cavity 10, an electricity inlet copper bar 21 is arranged at the upper end of the main switch, the electricity inlet copper bar 21 is connected with a fire wire through a copper nose 22, and the lower end of the main switch 2 is connected with a fire wire copper bar 23. The upper part of the cavity 10 is further provided with a main switch cover plate 16, the main switch cover plate 16 is detachably connected with the top plate 11 and the side plate 13, and the main switch cover plate 16 is provided with a handle 161 and a main switch arrangement groove 162. The main switch 2 is provided between the main switch cover 16 and the back plate 14, and a front end plate of the main switch 2 is provided in the main switch installation groove 162, so that the main switch 2 and its connection are protected by the main switch cover 16.
The zero line copper bar 3 and the ground wire copper bar 4 are arranged at the lower part of the cavity 10. Zero line copper bar 3 is two sets of, sets up respectively in the both sides of live wire copper bar 23, and ground wire copper bar 4 sets up in one side of keeping away from live wire copper bar 23 of zero line copper bar 3, and zero line copper bar 3 and ground wire copper bar 4 are connected with zero line and ground wire respectively. The two groups of zero line copper bars 3 and the two groups of ground wire copper bars 4 are respectively connected through hard wires 6, and the hard wires 6 are bent into a U shape.
The zero line copper bar 3 and the ground wire copper bar 4 are arranged in the cavity 10 of the shell 1 through the copper bar bracket 7. The copper bar support 7 comprises a column 71 and a copper bar support plate 72. The upright column 71 is an angle steel and is arranged in parallel to the fire wire copper bar 23, the zero line copper bar 3 and the ground wire copper bar 4, and the upright column 71 is fixedly connected with the rear plate 14. The column 71 is provided with a plurality of first kidney-shaped holes 73 arranged along the longitudinal direction thereof. A plurality of copper bar support plates 72 are parallel to each other and are provided on the front end surface of the column 71. Two ends of the copper bar supporting plate 72 are provided with second waist-shaped holes 74, the second waist-shaped holes 74 are perpendicular to the first waist-shaped holes 73, and the copper bar supporting plate 72 is fixed on the upright posts 71 through bolts, the first waist-shaped holes 73 and the second waist-shaped holes 74. The live wire copper bar 23, the zero line copper bar 3 and the ground wire copper bar 4 are fixed on the front end face of the copper bar supporting plate 72 through the insulating fixing piece.
The earth leakage protection switch 5 has a plurality ofly, and a plurality of earth leakage protection switches 5 set up between live wire copper bar 23 and zero line copper bar 3, and earth leakage protection switch 5 is connected with zero line copper bar 3 through copper bar 51, and earth leakage protection switch 5 is connected with zero line copper bar 3 and ground wire copper bar 4 through wire 52. Separate live wire copper bar 23 and zero line copper bar 3 through earth leakage protection switch 5 to avoid live wire copper bar 23 and 3 short circuits of zero line copper bar to take place the short circuit accident.
The copper bar 51 includes a horizontal portion 511, a connecting portion 512 and a supporting portion 513, wherein a latch 514 is disposed at one end of the horizontal portion 511, the width of the latch 514 is smaller than that of the horizontal portion 511, and the latch 514 is inserted into a jack of the earth leakage protection switch 5 and connected to the earth leakage protection switch 5. The connecting portion 512 is parallel to the horizontal portion 51, and the connecting portion 512 is provided with a through hole 515 for being connected and fixed with the live wire copper bar 23. The support portion 513 is used to connect the horizontal portion 511 and the connection portion 512.
The earth leakage protection switch 5 is provided on the rear plate 14 through the switch bracket 8. The switch bracket 8 includes a switch mounting plate 81, a switch support plate 82, and a bracket connecting plate 83, the switch mounting plate 81 is disposed in parallel to the rear plate 14, and the plurality of earth leakage protection switches 5 are disposed along the length direction of the switch mounting plate 81 and mounted on the front end surface of the switch mounting plate 81. The switch support plate 82 is provided on the rear end surface of the switch mounting plate 81, and the switch support plate 82 is provided with a wire through groove 84 provided to penetrate the switch support plate 82. One end of the lead 52 is connected with the earth leakage protection switch 5, and the other end of the lead 52 penetrates through the lead through groove 84 and is connected with the zero line copper bar 3 or the ground wire copper bar 4 through a copper sheet arranged on the end part of the lead 52. The bracket connection plate 83 is provided on the rear end surface of the switch support plate 82, and is fixedly connected to the rear plate 14.
The ground wire copper bar 4 is also provided with a plurality of grounding terminals (not shown in the figure) arranged along the length direction, the grounding terminals are in one-to-one correspondence with the leakage protection switches 5, and the leakage protection switches 5 and the grounding terminals in one-to-one correspondence are arranged on the same straight line, so that the shortest length of the copper bar 51 and the lead 52 is ensured, and meanwhile, the arrangement regularity of all the components in the shell 1 is improved.
The shell 1 is also provided with an inner door panel 17 and a partition plate 18, and the inner door panel 17 and the partition plate 18 are arranged below the cavity 10. Two interior door plant 17 are connected with two curb plates 13 respectively, and interior door plant is last 17 to be equipped with earth leakage protection switch groove 19, and earth leakage protection switch 5 sets up in earth leakage protection switch groove 19, forms the protection to copper bar and earth leakage protection switch 5 in the cavity 10 through interior door plant 17. Baffle 18 sets up in the front side of copper bar 51 and live wire copper bar 23, is located between copper bar 51 and live wire copper bar 23 and the interior door plant 17 for protection copper bar 51 and live wire copper bar 23. Triple protection with fireproof and waterproof functions is formed in the shell 1 through the outer door panel 15, the inner door panel 17 and the partition plate 18, and the safety of the power distribution equipment is greatly improved.
The working process of the utility model is as follows:
the live wire that draws from the commercial power passes through copper nose 22 and is connected fixedly with the income electricity copper bar 21 on the main switch 2, and under the condition that main switch 2 opened, the current reachs live wire copper bar 23 through main switch 2 to through behind copper bar 51 through earth leakage protection switch 5, reachs the zero line behind zero line copper bar 3 through wire 52. The electrical equipment can be connected with the leakage protection switch 5, and when the electrical equipment has the problems of electric leakage and the like, the leakage protection switch 5 acts to cut off the power of the electrical equipment, so that the leakage accident is avoided.
When earth leakage protection switch 5 dropout need be opened again or when needing switching main switch 2, operating personnel only need open outer door plant 15, can operate earth leakage protection switch 5 on the internal door plant 17 or main switch 2 on the main switch apron 16 to avoid the interior electric components of cavity 10 to expose outside.
Compared with the prior art, the utility model provides a distribution device convenient to maintain has following advantage:
(1) The live line copper bar and the zero line copper bar are separately arranged, and the leakage protection switch is arranged between the zero line copper bar and the live line copper bar, so that the zero line and the fire line are separated, and the risks of zero line and fire line short circuit and short circuit are avoided; the leakage protection switch is connected with the fire wire copper bar through the copper bar and is connected with the zero line copper bar through the lead, so that convenience is realized, the copper bar is not easy to heat, and the over-high heating of the circuit can be effectively avoided; meanwhile, the copper bars and the wires are separately arranged, so that the phenomenon that circuits are arranged in a cavity of the shell in a crossed mode to affect the appearance and increase the wiring difficulty and short circuit risk can be avoided, and the heat dissipation space can be formed by the copper bars and the wires which are alternately arranged, so that the heat dissipation efficiency of short circuit is improved;
(2) Through setting up switch support and copper bar support, install switch and each copper bar on the backplate, simple structure, simple to operate has improved the efficiency of equipment. A lead through groove is formed in a switch supporting plate of the switch bracket, the end part of the lead penetrates through the lead through groove and then is connected with a zero line copper bar or a ground wire copper bar, and electric terminals on the copper bars are in one-to-one correspondence with the leakage protection switches and are kept on the same straight line, so that the crossing and disorder of the lead in the cavity are effectively avoided, the neatness of the lead in the cavity is improved, and the later maintenance and repair of power distribution equipment are facilitated;
(3) The distribution equipment is compact in structure, the shell of the distribution equipment comprises an outer door hinged to the shell and an inner door plate arranged in the outer door, a good waterproof and dustproof effect is achieved, a partition plate used for separating two sets of leakage protection switches and protecting copper bars and fire wire copper bars is further arranged in the shell, the safety performance of the distribution equipment is greatly improved, and the distribution equipment has high safety and reliability.
The present invention is not limited to the above-mentioned best mode, and any person should learn the structural change made under the teaching of the present invention, all with the present invention has the same or similar technical solution, all fall into the protection scope of the present invention.

Claims (10)

1. An electrical distribution apparatus for facilitating maintenance, comprising:
the shell is internally provided with a hollow cavity;
the main switch is arranged in the cavity, and the wire inlet end of the main switch is connected with the live wire; the outlet end of the transformer is connected with the live wire copper bar;
the zero line copper bar is arranged on one side of the fire wire copper bar in the cavity and is parallel to the fire wire copper bar; the zero line copper bar is connected with the zero line;
the ground wire copper bar is arranged on one side, away from the fire wire copper bar, of the zero line copper bar, is parallel to the zero line copper bar and is connected with a ground wire;
a plurality of earth leakage protection switches set up the live wire copper bar with between the zero line copper bar, earth leakage protection switch pass through the copper bar with the zero line copper bar is connected, earth leakage protection switch pass through the wire with the zero line copper bar with the ground wire copper bar is connected.
2. The distribution device convenient to maintain according to claim 1, wherein the zero line copper bars are two groups, two groups of the zero line copper bars are respectively arranged on two sides of the fire line copper bar, two groups of the zero line copper bars and two groups of the ground line copper bars are respectively connected through hard wires, and the hard wires are bent into a U shape.
3. The maintenance facilitating power distribution apparatus of claim 2, wherein the enclosure comprises:
the shell is defined by a top plate, a bottom plate, side plates and a rear plate, wherein the front end surfaces of the side plates are provided with outer door plates which are oppositely arranged, and the outer door plates are hinged with the side plates;
the main switch cover plate is arranged at the upper part of the cavity, the main switch cover plate is detachably connected with the top plate and the side plate, and the main switch is arranged between the main switch cover plate and the rear plate;
the inner door plates are arranged below the main switch cover plate, and the two inner door plates are respectively connected with the two side plates; the inner door plate is provided with an electric leakage protection switch groove, and the electric leakage protection switch is arranged in the electric leakage protection switch groove;
the baffle sets up the copper bar reaches the front side of live wire copper bar is located the copper bar reaches the live wire copper bar with between the interior door plant, be used for the protection the copper bar with the live wire copper bar.
4. The distribution device for facilitating maintenance of claim 3, wherein a plurality of the earth leakage switches are disposed on the back plate by a switch bracket, the switch bracket comprising:
the switch mounting plate is arranged in parallel to the rear plate, and the plurality of leakage protection switches are arranged on the front end face of the switch mounting plate along the length direction of the switch mounting plate;
the switch supporting plate is arranged on the rear end face of the switch mounting plate, and a lead through groove penetrating through the switch supporting plate is formed in the switch supporting plate;
and the support connecting plate is arranged on the rear end face of the switch supporting plate and is fixedly connected with the rear plate.
5. The conveniently maintained electrical distribution apparatus of claim 4, further comprising a copper bar support disposed within the housing, the copper bar support comprising:
the stand column is arranged in parallel to the fire wire copper bar, the zero line copper bar and the ground wire copper bar and is fixedly connected with the rear plate;
a plurality of copper bar backup pads set up on the preceding terminal surface of stand, it is a plurality of copper bar backup pad parallel arrangement, the live wire copper bar zero line copper bar with the ground wire copper bar sets up on the preceding terminal surface of copper bar backup pad, through insulating mounting with the copper bar backup pad is connected.
6. The distribution device convenient to maintain as claimed in claim 5, wherein the column is an angle steel, a plurality of first kidney-shaped holes are formed in the column along the length direction of the column, second kidney-shaped holes are formed in two ends of the copper bar supporting plate, and the first kidney-shaped holes and the second kidney-shaped holes are perpendicular to each other.
7. The easy-to-maintain electrical distribution device of claim 5, wherein one end of the wire is connected to the earth leakage protection switch, and the other end of the wire extends through the wire through slot and is connected to the neutral copper bar or the ground copper bar through a copper sheet disposed on an end of the wire.
8. The distribution device convenient for maintenance according to claim 3, wherein the main switch cover plate is provided with a handle and a main switch installation groove, and the panel of the main switch is arranged in the main switch installation groove.
9. The distribution device convenient for maintenance of claim 2, wherein the ground copper bar is provided with a plurality of ground terminals arranged along the length direction thereof, the ground terminals are in one-to-one correspondence with the leakage protection switches, and the leakage protection switches and the ground terminals in one-to-one correspondence are arranged on the same straight line.
10. The easy to maintain power distribution apparatus of claim 1 wherein the copper bar comprises:
a horizontal part, one end of which is provided with a bolt, the width of the bolt is smaller than that of the horizontal part, and the bolt is inserted into a jack of the leakage protection switch and connected with the leakage protection switch;
the connecting part is arranged parallel to the horizontal part, and is provided with a through hole for connecting the fire wire copper bar;
a support part for connecting the horizontal part and the connection part.
CN202221976895.9U 2022-07-28 2022-07-28 Power distribution device convenient to maintain Active CN217720278U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221976895.9U CN217720278U (en) 2022-07-28 2022-07-28 Power distribution device convenient to maintain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221976895.9U CN217720278U (en) 2022-07-28 2022-07-28 Power distribution device convenient to maintain

Publications (1)

Publication Number Publication Date
CN217720278U true CN217720278U (en) 2022-11-01

Family

ID=83780940

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221976895.9U Active CN217720278U (en) 2022-07-28 2022-07-28 Power distribution device convenient to maintain

Country Status (1)

Country Link
CN (1) CN217720278U (en)

Similar Documents

Publication Publication Date Title
CN205901073U (en) Switch board or block terminal are with many circuit breakers adapter
CN201041925Y (en) Railway signal lightning prevention distribution cabinet
CN217720278U (en) Power distribution device convenient to maintain
CN203690788U (en) Steel-clad movable-type AC metal enclosed switch cabinet
CN105932550A (en) Multi-circuit breaker arrangement method for power distribution cabinet or power distribution box
CN211182929U (en) High-voltage switch cabinet structure
CN103701060A (en) Steel-clad movable-type alternating current metal closed switch cabinet
CN210156742U (en) Low-voltage fixed-interval cabinet
CN210628892U (en) Multifunctional high-low voltage switch cabinet
CN203415832U (en) Breaker arrangement structure of photovoltaic DC power distribution cabinet
CN218829056U (en) Cable branch box
CN213027090U (en) Distribution box with single-phase plug-in type and one-in two-out shunt switch
CN202856227U (en) Mini armoring metal-clad switch cabinet
CN216214836U (en) Novel multi-loop outgoing line switch cabinet wiring structure
CN2877097Y (en) Circuit distributing adapter for small current
CN210985193U (en) Multi-feed-out loop double-sided plug-in type bus bar device
CN217823772U (en) Improved low-voltage power distribution cabinet
CN218826894U (en) Installation fixing device of miniature circuit breaker
CN220138940U (en) Maintenance power supply box
CN212011616U (en) Integrated three-phase distribution box
CN218996633U (en) Circuit breaker base and power distribution equipment
CN213845847U (en) Female cabinet that allies oneself with of inlet wire
CN1160839C (en) AC/DC distribution cabinet for communication power source
CN216958874U (en) High-voltage rectification direct-current integrated cabinet
CN214124341U (en) Low-voltage bus isolation protection assembly

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant