CN211405122U - Zero sequence current transformer mounting structure and low pressure drawer cabinet - Google Patents

Zero sequence current transformer mounting structure and low pressure drawer cabinet Download PDF

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Publication number
CN211405122U
CN211405122U CN202020189224.2U CN202020189224U CN211405122U CN 211405122 U CN211405122 U CN 211405122U CN 202020189224 U CN202020189224 U CN 202020189224U CN 211405122 U CN211405122 U CN 211405122U
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China
Prior art keywords
current transformer
sequence current
zero sequence
transformer mounting
cover plate
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CN202020189224.2U
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Chinese (zh)
Inventor
孙久强
胡相群
马宏伟
邱鹏
侯立超
谢玉琪
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Shandong Taikai Complete Electric Appliance Co ltd
Shandong Taikai Apparatus Complete Co Ltd
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Shandong Taikai Complete Electric Appliance Co ltd
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Abstract

The utility model provides a zero sequence current transformer mounting structure, perpendicular passageway back shroud including vertical setting, perpendicular passageway back shroud one side is connected with the right cover plate of perpendicular passageway and the left cover plate of perpendicular passageway of vertical setting, perpendicular passageway right cover plate and the left cover plate parallel arrangement of perpendicular passageway, perpendicular passageway back shroud opposite side is connected with the vertical zero sequence current transformer mounting panel that sets up, leave the space between zero sequence current transformer mounting panel and the perpendicular passageway back shroud, install zero sequence current transformer on the zero sequence current transformer mounting panel, zero sequence current transformer is connected with the wire. The low-voltage drawer cabinet comprises a cabinet body, wherein the zero sequence current transformer mounting structure is mounted in the cabinet body. The utility model discloses during the use, secondary cable can arrange in the space between zero sequence current transformer mounting panel and perpendicular passageway back shroud, and assembly personnel's distribution mutually noninterfere influence, conveniently articulates secondary cable.

Description

Zero sequence current transformer mounting structure and low pressure drawer cabinet
Technical Field
The utility model belongs to the technical field of the electrical equipment technique and specifically relates to a zero sequence current transformer mounting structure and low pressure drawer cabinet are related to.
Background
The existing low-voltage drawer cabinet comprises a cabinet body, wherein a drawer unit and a zero sequence current transformer are installed in the cabinet body, the rear part of the drawer unit is provided with a drawer unit outgoing line side, and most of the zero sequence current transformer is installed behind the drawer unit outgoing line side.
The above technical solution has the following disadvantages: 1. the low-voltage zero-sequence current transformer is not scientifically planned and designed in the early stage, no special position is provided for mounting the low-voltage zero-sequence current transformer, and the low-voltage zero-sequence current transformer is inconvenient to mount when an assembler assembles the switch cabinet, or a self-made mounting bracket is not firm and is unreliable in a long-distance transportation process, so that virtual connection of elements or even bumping damage can be caused; 2. because the low-voltage zero-sequence current transformer has multiple loops and multiple types; some nine loops are provided with nine zero-sequence current transformers; after the low-voltage zero-sequence current transformer is installed, the low-voltage zero-sequence current transformer is not inconvenient before delivery; however, after the goods arrive at the site, the user reflects that the outgoing cable of the drawer unit is inconvenient to hang, and if the cabinet with the width of 600mm does not have a special cable chamber, the site user can not hang the cable directly, so that the after-sales service personnel needs to be dispatched for site transformation, and a large amount of time, manpower and material resources are wasted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned conventional art's weak point, provide a zero sequence current transformer mounting structure and low pressure drawer cabinet, conveniently articulate the secondary cable.
The purpose of the utility model is achieved through the following technical measures: the utility model provides a zero sequence current transformer mounting structure, includes the vertical passageway back shroud of vertical setting, vertical passageway back shroud one side is connected with the right cover plate of vertical passageway and the left cover plate of vertical passageway of vertical setting, the right cover plate of vertical passageway and the left cover plate parallel arrangement of vertical passageway, vertical passageway back shroud opposite side is connected with the vertical zero sequence current transformer mounting panel that sets up, leave the space between zero sequence current transformer mounting panel and the vertical passageway back shroud, install zero sequence current transformer on the zero sequence current transformer mounting panel, zero sequence current transformer is connected with the wire.
Since the technical scheme is used, the utility model discloses the structure is firm, and the low pressure zero sequence current transformer installation is firm, avoids the emergence of accident such as zero sequence current transformer top bad, and secondary assembly personnel articulate the cable or carry out other secondary wiring back to the drawer unit, and in secondary cable can arrange the space between zero sequence current transformer mounting panel and perpendicular passageway back shroud, and the wiring mutually noninterfere influence of an assembly personnel, can not hinder installation progress or process alternately.
The zero sequence current transformer mounting panel and perpendicular passageway back shroud parallel arrangement, be connected with the mounting panel support that is the Z shape between perpendicular passageway back shroud and the zero sequence current transformer mounting panel. The installation of the low-voltage zero-sequence current transformer is facilitated, the appearance is attractive, the space utilization is reasonable, the installation of the Z-shaped installation plate support in a rotatable angle mode is achieved, and the flexibility is high.
The zero sequence current transformer mounting panel is connected with the curb plate of vertical setting, the curb plate sets up with the zero sequence current transformer mounting panel is perpendicular, a plurality of curb plate fixed orificess have been seted up on the curb plate. The side plates can be directly fixed on the side wall of the cabinet body, the connection is firm, accidents such as the reversal failure of the zero sequence current transformer are further avoided, and powerful assembly guarantee is provided for the realization of a safe power utilization target.
The zero sequence current transformer mounting structure is characterized in that a plurality of zero sequence current transformer mounting holes and a plurality of first long round holes are formed in the zero sequence current transformer mounting plate, the zero sequence current transformer is mounted on the zero sequence current transformer mounting plate through a bolt and nut structure, and a plurality of second long round holes are formed in the vertical channel rear cover plate. The installation of the low-voltage zero-sequence current transformer is convenient, the appearance is attractive, and meanwhile, the installation of other electrical equipment or low-voltage zero-sequence current transformers of other models is convenient.
And a plurality of openings are formed in the zero sequence current transformer mounting plate. The gap between the zero-sequence current transformer mounting plate and the vertical channel rear cover plate is convenient to observe and operate.
The zero sequence current transformer mounting panel is provided with a base, the base is sequentially provided with a plurality of wiring belts from top to bottom, and a channel for a lead to pass through is reserved between the wiring belts and the base. The wire harness belt fixes the wire on the base, avoids the influence that the wire was arranged in a jumble and was shifted, makes things convenient for the operation of secondary installer.
The shape of pencil area is the U-shaped, the outside at pencil area both ends all is connected with a plurality of ratchets, the ratchet is close to the slope setting of one side of zero sequence current transformer mounting panel, the ratchet is kept away from one side of zero sequence current transformer mounting panel and is set up with zero sequence current transformer mounting panel parallel, set up the jack that a plurality of capacity pencil area tip got into on the base, the jack in-connection has the flexure strip, the flexure strip is close to one side of ratchet and is connected with the spacing portion that can cooperate with the ratchet. And moving the lead to the base, and aligning the end part of the cable tie with the jack, wherein one end of the cable tie is positioned on one side of the lead, and the other end of the cable tie is positioned on the other side of the lead. After the end part of the cable tie enters the jack, the limiting part is matched with the upper part of the ratchet, the cable tie cannot be pulled out, and at the moment, the cable tie fixes the lead on the base.
The distance between one end of the elastic sheet close to the zero sequence current transformer mounting plate and the wiring belt is smaller than the distance between one end of the elastic sheet far away from the zero sequence current transformer mounting plate and the wiring belt. When the cable tie wants to move outward, the elastic sheet is bent inward, the limiting part is matched with the ratchet for tightness, and the fastness of the cable tie and the base is enhanced.
One side of the elastic sheet, which is far away from the cable binding belt, is connected with an operating handle, and a plurality of notches for the operating handle to penetrate are formed in the side face of the base. When the zero sequence current transformer needs to be dismounted, the operating handle is pulled, the elastic sheet is bent outwards, the limiting part is separated from the ratchet, and the wire binding belt can be taken down at the moment, so that the wire is convenient to dismount.
The utility model provides a low pressure drawer cabinet, includes the cabinet body, the internal drawer unit that installs of cabinet, drawer unit rear portion have drawer unit outgoing line side, the internal zero sequence current transformer mounting structure as above of installing of cabinet, perpendicular passageway right side cover plate and perpendicular passageway left side cover plate are connected with the internal side of cabinet, perpendicular passageway back shroud, perpendicular passageway right side cover plate and perpendicular passageway left side cover plate three constitute perpendicular passageway lie in the side of drawer unit outgoing line side. The vertical channel is located on the side of the outgoing line side of the drawer unit, the installation of the zero sequence current transformer does not affect the use of the outgoing line side of the drawer unit, after secondary assembly personnel articulate cables on the drawer unit or carry out other secondary line assembly, the secondary cables can be arranged in a gap between the zero sequence current transformer installation plate and the vertical channel rear cover plate, the secondary cables and the wiring of the primary assembly personnel do not interfere with each other to affect, and installation progress or process intersection cannot be delayed.
To sum up, the utility model discloses during the use, the secondary cable can be arranged in the space between zero sequence current transformer mounting panel and perpendicular passageway back shroud, and the wiring mutually noninterfere influence of an assembler, conveniently articulates the secondary cable, can not hinder installation progress or process alternately, and the process route is succinct, the appearance is pleasing to the eye, is fit for scale, rapid manufacturing and processing, makes and use cost hangs down, has better economic benefits.
Drawings
The invention will be further explained with reference to the drawings and the detailed description below:
fig. 1 is a schematic structural diagram of a zero sequence current transformer mounting structure in embodiment 1 of the present invention;
FIG. 2 is a schematic left side view of the structure of FIG. 1;
FIG. 3 is a schematic top view of the structure of FIG. 1;
fig. 4 is a schematic structural diagram of a back plate of a vertical channel cover in the zero sequence current transformer mounting structure of the present invention;
FIG. 5 is an enlarged schematic view of a portion A of FIG. 1;
FIG. 6 is an enlarged schematic view of section B-B of FIG. 5;
fig. 7 is a schematic structural view of a low-voltage drawer cabinet according to embodiment 2 of the present invention;
fig. 8 is a schematic structural view of section C-C in fig. 7.
In the figure: 1-a zero sequence current transformer mounting plate; 2-opening; 3-side plate; 4-mounting the plate support; 5-a zero sequence current transformer mounting hole; 6-vertical channel back cover plate; 7-zero sequence current transformer; 8-a base; 9-a first oblong hole; 10-a wire; 11-vertical channel right cover plate; 12-side plate fixing holes; 13-vertical channel left cover plate; 14-a second oblong hole; 15-a cable tie; 16-a ratchet; 17-an elastic sheet; 18-a limiting part; 19-an operating handle; 20-notch; 21-a jack; 22-a cabinet body; 23-copper bar; 24-a spacer plate; 25-a drawer unit; 26-drawer unit outlet side.
Detailed Description
Example 1: as shown in fig. 1, 2 and 3, a zero sequence current transformer mounting structure includes a vertical channel back cover plate 6, where the vertical channel back cover plate 6 is of a split design, and when in use, the number of the vertical channel back cover plates 6 can be selected as required, and in this embodiment, the number of the vertical channel back cover plates 6 is two, but the number of the vertical channel back cover plates 6 may also be three or four.
Perpendicular passageway back shroud 6 one side is connected with the right cover plate of perpendicular passageway 11 and the left cover plate 13 of perpendicular passageway of vertical setting, and perpendicular passageway right cover plate 11 and the left cover plate 13 parallel arrangement of perpendicular passageway, the preferred, and the cooperation of perpendicular passageway back shroud 6 and perpendicular passageway right cover plate 11 and the left cover plate 13 of perpendicular passageway all adopts self-tapping screw, and the installation is quick, light laborsaving, has improved product quality and work efficiency greatly.
The other side of the vertical channel rear cover plate 6 is connected with a vertically arranged zero sequence current transformer mounting plate 1, a gap is reserved between the zero sequence current transformer mounting plate 1 and the vertical channel rear cover plate 6, specifically, the zero sequence current transformer mounting plate 1 and the vertical channel rear cover plate 6 are arranged in parallel, and a Z-shaped mounting plate support 4 is connected between the vertical channel rear cover plate 6 and the zero sequence current transformer mounting plate 1. The zero sequence current transformer mounting plate 1 and the mounting plate bracket 4 are matched by self-tapping screws, and the mounting plate bracket 4 is fixed on the vertical channel right cover plate 11 or the vertical channel rear cover plate 6 through the self-tapping screws.
The mounting panel support 4 is located zero sequence current transformer mounting panel 1 one side, and 1 opposite side of zero sequence current transformer mounting panel is connected with the curb plate 3 of vertical setting, and curb plate 3 sets up with zero sequence current transformer mounting panel 1 is perpendicular, has seted up a plurality of curb plate fixed orificess 12 on the curb plate 3. Preferably, the zero sequence current transformer mounting plate 1 and the side plate 3 are integrally designed, and the side plate 3 is formed by bending the edge of the zero sequence current transformer mounting plate 1. A plurality of openings 2 are formed in the zero sequence current transformer mounting plate 1, and observation and operation are facilitated.
The zero sequence current transformer mounting plate 1 is provided with a zero sequence current transformer 7, and the zero sequence current transformer 7 is connected with a lead 10.
Specifically, a plurality of zero sequence current transformer mounting holes 5 are formed in the zero sequence current transformer mounting plate 1, the zero sequence current transformer 7 is mounted on the zero sequence current transformer mounting plate 1 through a bolt-nut structure, the zero sequence current transformer 7 adopts the prior art, and how to mount the zero sequence current transformer 7 on the zero sequence current transformer mounting holes 5 through the bolt-nut structure is well known by technical personnel in the field and is not described herein.
As shown in fig. 1 and 4, a plurality of first long round holes 9 are formed in the zero sequence current transformer mounting plate 1, and a plurality of second long round holes 14 are formed in the vertical channel rear cover plate 6, so that other electrical equipment can be conveniently mounted.
The zero sequence current transformer mounting plate 1 can also adopt a split design with reference to the vertical channel rear cover plate 6, and the height of the zero sequence current transformer mounting plate 1 is the same as that of the vertical channel rear cover plate 6. This design compares and chooses the monoblock design still can be better improve steel sheet material utilization ratio, practices thrift steel sheet material, overhauls can directly pull down certain zero sequence current transformer mounting panel 1 or vertical channel back shroud 6 can.
The zero sequence current transformer mounting plate 1, the vertical channel rear cover plate 6, the vertical channel right cover plate 11 and the vertical channel left cover plate 13 are made of aluminum-zinc coated steel plates, plastic spraying treatment is not needed, and the method is environment-friendly and economical.
As shown in fig. 5, a base 8 is installed on the zero sequence current transformer installation plate 1, the base 8 is in a long strip shape, the base 8 is installed on the zero sequence current transformer installation hole 5 through a bolt and nut structure, a plurality of cable tie bands 15 are sequentially installed on the base 8 from top to bottom, and a channel for a lead 10 to pass through is reserved between the cable tie bands 15 and the base 8.
As shown in fig. 6, the cable tie 15 is U-shaped, the cable tie 15 is made of plastic, the outer sides of the two ends of the cable tie 15 are connected with a plurality of ratchets 16, one side of each ratchet 16 close to the zero sequence current transformer mounting plate 1 is obliquely arranged, and one side of each ratchet 16 far away from the zero sequence current transformer mounting plate 1 is parallel to the zero sequence current transformer mounting plate 1.
Set up the jack 21 that 15 tip of a plurality of capacity bunched line areas got into on the base 8, jack 21 in-connection has flexure strip 17, one side that flexure strip 17 is close to ratchet 16 be connected with can with 16 matched with spacing portion 18 of ratchet, and is concrete, one side that spacing portion 18 is close to zero sequence current transformer mounting panel 1 and zero sequence current transformer mounting panel 1 parallel arrangement, and the one side slope that zero sequence current transformer mounting panel 1 was kept away from to spacing portion 18 sets up.
When the zero sequence current transformer is not affected by external force, the distance between one end of the elastic sheet 17 close to the zero sequence current transformer mounting plate 1 and the cable tie 15 is smaller than the distance between one end of the elastic sheet 17 far away from the zero sequence current transformer mounting plate 1 and the cable tie 15.
The side of the elastic piece 17 far away from the cable binding belt 15 is connected with an operating handle 19, and the side surface of the base 8 is provided with a plurality of notches 20 for the operating handle 19 to pass through.
Example 2: as shown in fig. 7 and 8, a low-voltage drawer cabinet includes a cabinet body 22, a partition plate 24, a drawer unit 25 and a copper bar 23 are installed in the cabinet body 22, a drawer unit outgoing line side 26 is provided at the rear of the drawer unit 25, the partition plate 24, the drawer unit 25 and the copper bar 23 are all in the prior art, and how the partition plate 24 and the copper bar 23 are installed in the cabinet body 22 is well known by those skilled in the art and is not described herein again, in this embodiment, the number of the drawer units 25 is two for explanation, and certainly the number of the drawer units 25 may also be three, six or nine.
The zero sequence current transformer mounting structure as in embodiment 1 is mounted in the cabinet 22, and the vertical channel right cover plate 11 and the vertical channel left cover plate 13 are connected to the cabinet 22.
Specifically, the vertical channel right cover plate 11 and the vertical channel left cover plate 13 are fixed on the partition plate 24 through self-tapping screws, and the side plates 3 are fixed on the side wall of the cabinet body 22 through self-tapping screws, so that accidents such as the zero sequence current transformer 7 is prevented from being damaged, and powerful assembly guarantee is provided for realizing a safe power utilization target.
The copper bar 23 is positioned in a vertical channel formed by the vertical channel rear cover plate 6, the vertical channel right cover plate 11 and the vertical channel left cover plate 13.
The vertical channel is located at the side of the outgoing line side 26 of the drawer unit, and the installation of the zero sequence current transformer 7 does not affect the use of the outgoing line side 26 of the drawer unit.
The utility model discloses when using, at first install zero sequence current transformer 7 on zero sequence current transformer mounting panel 1, then, on moving wire 10 to base 8, with 15 tip alignment jacks 21 in pencil area, at this moment, 15 one end in pencil area is located wire 10 one side, and the 15 other ends in pencil area are located wire 10 opposite side.
After the end of the cable tie 15 enters the jack 21, the limiting part 18 is matched with the upper part of the ratchet 16, the cable tie 15 cannot be pulled out, at the moment, the cable tie 15 fixes the lead 10 on the base 8, the influence of disordered arrangement and displacement of the lead 10 is avoided, and the operation of secondary installation personnel is facilitated.
When the zero sequence current transformer 7 needs to be disassembled, the operating handle 19 is pulled, the elastic piece 17 bends outwards, the limiting part 18 is separated from the ratchet 16, and the wire binding belt 15 can be taken down, so that the wire 10 is convenient to disassemble.
After the secondary assembly personnel articulate cables or perform other secondary wiring on the drawer unit 25, the secondary cables can be arranged in a gap between the zero sequence current transformer mounting plate 1 and the vertical channel rear cover plate 6, and the secondary cables are not interfered with the wiring of the primary assembly personnel, so that the mounting progress or the process intersection is not delayed.
To sum up, the present invention is not limited to the above-mentioned specific embodiments. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications are intended to be within the scope of the present invention.

Claims (10)

1. The utility model provides a zero sequence current transformer mounting structure which characterized in that: vertical passageway back shroud (6) including vertical setting, vertical passageway back shroud (6) one side is connected with vertical passageway right side cover plate (11) and the left cover plate of vertical passageway (13) of vertical setting, vertical passageway right side cover plate (11) and the left cover plate of vertical passageway (13) parallel arrangement, vertical passageway back shroud (6) opposite side is connected with vertical zero sequence current transformer mounting panel (1) that sets up, leave the space between zero sequence current transformer mounting panel (1) and vertical passageway back shroud (6), install zero sequence current transformer (7) on zero sequence current transformer mounting panel (1), zero sequence current transformer (7) are connected with wire (10).
2. The zero sequence current transformer mounting structure of claim 1, wherein: zero sequence current transformer mounting panel (1) and perpendicular passageway back shroud (6) parallel arrangement, be connected with between perpendicular passageway back shroud (6) and zero sequence current transformer mounting panel (1) and be the mounting panel support (4) of Z shape.
3. The zero sequence current transformer mounting structure of claim 2, wherein: zero sequence current transformer mounting panel (1) is connected with curb plate (3) of vertical setting, curb plate (3) set up with zero sequence current transformer mounting panel (1) is perpendicular, a plurality of curb plate fixed orificess (12) have been seted up on curb plate (3).
4. The zero sequence current transformer mounting structure of claim 1, wherein: a plurality of zero sequence current transformer mounting holes (5) and a plurality of first long round holes (9) are formed in the zero sequence current transformer mounting plate (1), the zero sequence current transformer (7) is mounted on the zero sequence current transformer mounting plate (1) through a bolt and nut structure, and a plurality of second long round holes (14) are formed in the vertical channel rear cover plate (6).
5. The zero sequence current transformer mounting structure of claim 1, wherein: and a plurality of notches (2) are formed in the zero sequence current transformer mounting plate (1).
6. The zero-sequence current transformer mounting structure according to one of claims 1 to 5, wherein: install base (8) on zero sequence current transformer mounting panel (1), a plurality of bunched line areas (15) are installed from the top down in proper order on base (8), leave the passageway that holds wire (10) and pass between bunched line area (15) and base (8).
7. The zero sequence current transformer mounting structure of claim 6, wherein: the shape of pencil area (15) is the U-shaped, the outside at pencil area (15) both ends all is connected with a plurality of ratchets (16), ratchet (16) are close to the one side slope setting of zero sequence current transformer mounting panel (1), one side and zero sequence current transformer mounting panel (1) parallel arrangement that zero sequence current transformer mounting panel (1) were kept away from in ratchet (16), jack (21) that a plurality of appearance pencil area (15) tip got into have been seted up on base (8), elastic sheet (17) are connected with in jack (21), one side that elastic sheet (17) are close to ratchet (16) is connected with can with spacing portion (18) of ratchet (16) matched with.
8. The zero sequence current transformer mounting structure of claim 7, wherein: the distance between one end, close to the zero sequence current transformer mounting plate (1), of the elastic sheet (17) and the wiring belt (15) is smaller than the distance between one end, far away from the zero sequence current transformer mounting plate (1), of the elastic sheet (17) and the wiring belt (15).
9. The zero sequence current transformer mounting structure of claim 8, wherein: one side of the elastic piece (17) far away from the cable tie (15) is connected with an operating handle (19), and the side surface of the base (8) is provided with a plurality of notches (20) for the operating handle (19) to pass through.
10. The utility model provides a low pressure drawer cabinet, includes the cabinet body (22), install drawer unit (25) in the cabinet body (22), drawer unit (25) rear portion has drawer unit outgoing lines side (26), its characterized in that: the zero sequence current transformer mounting structure of claim 1 is mounted in the cabinet body (22), the vertical channel right cover plate (11) and the vertical channel left cover plate (13) are connected with the inner side of the cabinet body (22), and the vertical channel formed by the vertical channel rear cover plate (6), the vertical channel right cover plate (11) and the vertical channel left cover plate (13) is located on the side of the drawer unit outgoing line side (26).
CN202020189224.2U 2020-02-20 2020-02-20 Zero sequence current transformer mounting structure and low pressure drawer cabinet Active CN211405122U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020189224.2U CN211405122U (en) 2020-02-20 2020-02-20 Zero sequence current transformer mounting structure and low pressure drawer cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020189224.2U CN211405122U (en) 2020-02-20 2020-02-20 Zero sequence current transformer mounting structure and low pressure drawer cabinet

Publications (1)

Publication Number Publication Date
CN211405122U true CN211405122U (en) 2020-09-01

Family

ID=72233553

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020189224.2U Active CN211405122U (en) 2020-02-20 2020-02-20 Zero sequence current transformer mounting structure and low pressure drawer cabinet

Country Status (1)

Country Link
CN (1) CN211405122U (en)

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