CN215933320U - Mounting structure of current transformer - Google Patents

Mounting structure of current transformer Download PDF

Info

Publication number
CN215933320U
CN215933320U CN202122478561.0U CN202122478561U CN215933320U CN 215933320 U CN215933320 U CN 215933320U CN 202122478561 U CN202122478561 U CN 202122478561U CN 215933320 U CN215933320 U CN 215933320U
Authority
CN
China
Prior art keywords
current transformer
mounting
shell
plate
wire
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
CN202122478561.0U
Other languages
Chinese (zh)
Inventor
何永超
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.)
Henan Dayang Electric Power Technology Co ltd
Original Assignee
Henan Dayang Electric Power Technology 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 Henan Dayang Electric Power Technology Co ltd filed Critical Henan Dayang Electric Power Technology Co ltd
Priority to CN202122478561.0U priority Critical patent/CN215933320U/en
Application granted granted Critical
Publication of CN215933320U publication Critical patent/CN215933320U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a mounting structure of a current transformer, which comprises a mounting shell, a mounting mechanism and a measuring mechanism, wherein the mounting shell is provided with a mounting hole; installing a shell: four corners of the lower surface of the mounting shell are respectively provided with a support column, the upper ends of the left side surface and the right side surface of the mounting shell are respectively provided with a wire inlet, the lower ends of the left side surface and the right side surface of the mounting shell are respectively provided with a wire outlet, the wire inlets correspond to the wire outlets in the up-down position, a sliding plate is connected in a sliding groove at the front end of the mounting shell in a sliding way, and the upper end of the sliding plate is provided with a handle; installation mechanism: the current transformer is arranged in the middle of the rear wall of the mounting shell, the front side surface of the mounting mechanism is fixedly connected with the current transformer through a bolt, the rear end of the current transformer is fixedly connected with the front surface of the rectangular column, and the rectangular column is matched with the mounting mechanism for mounting; the measuring mechanism comprises: set up in the diapire middle part of installation shell, measuring mechanism's upper end and the front surface fixed connection of current transformer rear end base, this current transformer's mounting structure prevents that current transformer from suffering destruction, and is fixed firm, prevents to drop.

Description

Mounting structure of current transformer
Technical Field
The utility model relates to the technical field of current detection, in particular to a mounting structure of a current transformer.
Background
The current transformer is mainly used for converting large current in an alternating current circuit into small current with a certain proportion (the standard of China is 5 amperes), for measurement and relay protection, it should be understood that in the process of power generation, transformation, transmission and distribution, the current is usually from tens of amperes to tens of thousands of amperes due to the difference of the electric equipment, which may also be accompanied by high voltages, in order to be able to monitor and measure the circuits of these lines, meanwhile, the danger caused by high voltage and high current is solved, the current transformer is needed, the existing current transformer is mostly fixedly connected to the outdoor wall through bolts, the service life of the current transformer is inevitably shortened after the current transformer is blown by wind, sun and rain, the fixation is not firm, the bolt may be loosened to drop the current transformer, and for this reason, we propose a mounting structure of the current transformer.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the existing defects, and provide a mounting structure of a current transformer, wherein the current transformer is mounted in a mounting shell and is firmly fixed, and a support frame is arranged at the bottom of the current transformer, so that the problems in the background technology can be effectively solved.
In order to achieve the purpose, the utility model provides the following technical scheme: a mounting structure of a current transformer comprises a mounting shell, a mounting mechanism and a measuring mechanism;
installing a shell: four corners of the lower surface of the mounting shell are respectively provided with a support column, the upper ends of the left side surface and the right side surface of the mounting shell are respectively provided with a wire inlet, the lower ends of the left side surface and the right side surface of the mounting shell are respectively provided with a wire outlet, the wire inlets correspond to the wire outlets in the up-down position, a sliding plate is connected in a sliding groove at the front end of the mounting shell in a sliding way, and the upper end of the sliding plate is provided with a handle;
installation mechanism: the current transformer is arranged in the middle of the rear wall of the mounting shell, the front side surface of the mounting mechanism is fixedly connected with the current transformer through a bolt, the rear end of the current transformer is fixedly connected with the front surface of the rectangular column, and the rectangular column is matched with the mounting mechanism for mounting;
the measuring mechanism comprises: set up in the diapire middle part of installation shell, measuring mechanism's upper end is connected with the front surface fixed of current transformer rear end base, guarantees that current transformer is fixed stable, and current transformer does not with external direct contact, prevents to wind to be exposed to the sun and drenches the destruction to current transformer, and is fixed firm, has the support frame to support when the bolt is not hard up and prevents to drop and meet accident.
Further, still include the support frame, the support frame bilateral symmetry sets up in the back wall middle part of installation shell, and the upper surface of two support frames all contacts with current transformer's lower surface, and is fixed firm, supports current transformer and prevents it because of the flagging deformation of gravity.
Further, installation mechanism includes arm-tie, transmission post, spring, holding down plate and insulation board, the insulation board sets up in the back wall middle part of installation shell, the insulation board is located the upper end of support frame, sliding connection has the transmission post in the upper end slide opening of insulation board, the lower extreme fixedly connected with holding down plate of transmission post, be equipped with the spring between the top of the mounting groove at holding down plate and insulation board middle part, the extrados of transmission post is located to the spring movable sleeve, the upper end of transmission post is equipped with the arm-tie, bolt fixed connection is passed through with current transformer's rear end to the front surface of insulation board, the rectangle post is located between the lower surface of holding down plate and the diapire of mounting groove, fixed current transformer.
Further, still include spout, backup pad and rain shade, the spout transversely sets up in the upper surface middle part of installation shell, and the bottom and the spout sliding connection of backup pad hide the rain shade and set up in the upper end of backup pad, and both sides are equipped with the guiding gutter around the rain shade, hide the rain water conservancy diversion.
Further, measuring mechanism includes left side terminal, right side terminal and ampere meter, the left side terminal sets up in the left side middle part terminal department of current transformer rear end base, and the right side middle part terminal department of current transformer rear end base is equipped with the right side terminal, and the ampere meter sets up in the diapire front side of installation shell, and left side terminal and right side terminal pass through the wire and link to each other, and it has the ampere meter to establish ties in the middle of the wire, measures electric current.
Further, still include the ground post, the ground post sets up in the lower surface of installation shell, and the upper end of ground post is passed through the earth connection and is linked to each other with left side terminal, lets current transformer ground connection.
Further, still include the glass board, the glass board sets up in the mid-mounting mouth of slide, and the ampere meter corresponds with glass board front and back position, observes inside the installation shell.
Compared with the prior art, the utility model has the beneficial effects that: this current transformer's mounting structure has following benefit:
the current transformer is transversely placed above the two supporting frames, the pulling plate is pulled upwards to drive the lower pressing plate to move upwards, the current transformer is pushed backwards to enable the rectangular column to enter the mounting hole of the insulating plate, the pulling plate is loosened, the lower pressing plate is pushed downwards under the action of the spring to clamp the rectangular column, the rear end mounting seat of the current transformer is fixedly connected with the mounting hole through a bolt, the mounting is convenient and firm, an electric wire enters the mounting shell through a wire inlet, penetrates through a middle round hole of the current transformer from top to bottom and finally penetrates out through a wire outlet of the opposite surface, a sliding plate slides in through a sliding groove, a left side binding post is connected with the grounding column through a grounding wire to ensure safety, the bottom end of the supporting plate slides into a sliding groove during raining, rainwater flows out from two sides through water guiding grooves at the front end and the rear end of the rain shade to ensure that the current transformer is fixed and stable, and the current transformer is not in direct contact with the outside, prevent that wind from blowing the sun and drenching with rain to current transformer's destruction, it is fixed firm, have the support frame to support when the bolt is not hard up and prevent to drop and take place the accident.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the measuring mechanism of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A of the present invention.
In the figure: the device comprises a mounting shell 1, a supporting column 2, a sliding plate 3, a wire inlet 4, a wire outlet 5, a mounting mechanism 6, a pulling plate 61, a transmission column 62, a spring 63, a lower pressing plate 64, an insulating plate 65, a current transformer 7, a measuring mechanism 8, a wiring terminal 81 on the left side, a wiring terminal 82 on the right side, an ammeter 83, a grounding column 9, a glass plate 10, a handle 11, a sliding chute 12, a supporting plate 13, a rain shade 14, a supporting frame 15 and a rectangular column 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present embodiment provides a technical solution: a mounting structure of a current transformer comprises a mounting shell 1 and a measuring mechanism 8;
mounting the shell 1: the mounting shell 1 provides a mounting position for the current transformer, four corners of the lower surface of the mounting shell 1 are respectively provided with a support column 2, the upper ends of the left side surface and the right side surface of the mounting shell 1 are respectively provided with a wire inlet 4, the lower ends of the left side surface and the right side surface of the mounting shell 1 are respectively provided with a wire outlet 5, the wire inlets 4 correspond to the wire outlets 5 in an up-and-down position, a sliding plate 3 is connected in a sliding groove at the front end of the mounting shell 1 in a sliding mode, and the upper end of the sliding plate 3 is provided with a handle 11;
the mounting mechanism 6: the mounting mechanism 6 comprises a pulling plate 61, a transmission column 62, a spring 63, a lower pressing plate 64 and an insulating plate 65, the insulating plate 65 is arranged in the middle of the rear wall of the mounting shell 1, the insulating plate 65 is positioned at the upper end of a support frame 15, the transmission column 62 is connected in a sliding hole at the upper end of the insulating plate 65 in a sliding manner, the lower end of the transmission column 62 is fixedly connected with the lower pressing plate 64, the spring 63 is arranged between the lower pressing plate 64 and the top end of a mounting groove in the middle of the insulating plate 65, the spring 63 is movably sleeved on the outer arc surface of the transmission column 62, the pulling plate 61 is arranged at the upper end of the transmission column 62, and the front surface of the insulating plate 65 is fixedly connected with the rear end of the current transformer 7 through bolts, the rectangular column 16 is positioned between the lower surface of the lower pressing plate 64 and the bottom wall of the installation groove, the pulling plate 61 is pulled upwards to drive the lower pressing plate 64 to move upwards, the current transformer 7 is pushed backwards to enable the rectangular column 16 to enter the installation hole of the insulation plate 65, the pulling plate 61 is loosened, the lower pressing plate 64 is pushed downwards under the action of the spring 63 to clamp the rectangular column 16;
the measuring mechanism 8: set up in the diapire middle part of installation shell 1, measuring mechanism 8's upper end and the front surface fixed connection of 7 rear end bases of current transformer, measuring mechanism 8 includes left side terminal 81, right side terminal 82 and ampere meter 83, left side terminal 81 sets up in the left side middle part terminal department of 7 rear end bases of current transformer, the right side middle part terminal department of 7 rear end bases of current transformer is equipped with right side terminal 82, ampere meter 83 sets up in the diapire front side of installation shell 1, left side terminal 81 and right side terminal 82 pass through the wire and link to each other, it has ampere meter 83 to establish ties in the middle of the wire, when having the current in the electric wire through, because the interior production current of electromagnetic induction principle current transformer 7, the current flows to left side terminal 81 and forms the return circuit after measuring out through ampere meter 83.
Wherein: still include support frame 15, support frame 15 bilateral symmetry sets up in the back wall middle part of installation shell 1, and the upper surface of two support frames 15 all contacts with current transformer 7's lower surface, transversely puts current transformer 7 in two support frames 15 tops.
Wherein: still include spout 12, backup pad 13 and rain shade 14, spout 12 transversely sets up in the upper surface middle part of installation shell 1, and the bottom and the spout 12 sliding connection of backup pad 13, rain shade 14 set up in the upper end of backup pad 13, and both sides are equipped with the guiding gutter around rain shade 14, slide into spout 12 with the bottom of backup pad 13 during the rainy time, and the rainwater flows from both sides through the guiding gutter at both ends around rain shade 14.
Wherein: still include ground post 9, ground post 9 sets up in the lower surface of installation shell 1, and ground post 9's upper end links to each other with left side terminal 81 through the earth connection, and left side terminal 81 links to each other with ground post 9 through the earth connection, guarantees safety.
Wherein: still include glass sheet 10, glass sheet 10 sets up in the middle part installing port of slide 3, and ampere meter 83 corresponds with glass sheet 10 back-and-forth position, and personnel observe ampere meter 83 reading through glass sheet 10.
The working principle of the mounting structure of the current transformer provided by the utility model is as follows: the current transformer 7 is transversely placed above the two supporting frames 15, the pulling plate 61 is pulled upwards to drive the lower pressing plate 64 to move upwards, the current transformer 7 is pushed backwards to enable the rectangular column 16 to enter the installation groove of the insulating plate 65, the pulling plate 61 is loosened, the lower pressing plate 64 is pushed downwards under the action of the spring 63 to clamp the rectangular column 16, the rear end installation seat of the current transformer 7 is fixedly connected with the spring 63 through a bolt, a wire enters the installation shell 1 through the wire inlet 4, penetrates through the middle circular hole of the current transformer 7 from top to bottom and finally penetrates out through the wire outlet 5 of the opposite surface, the sliding plate 3 slides in through the sliding groove, when current flows in the wire, the current is generated in the current transformer 7 due to the electromagnetic induction principle, the current flows to the left side binding post 81 to form a loop after being measured by the ammeter 83, and the left side binding post 81 is connected with the grounding post 9 through the grounding wire, guarantee safety, personnel observe ampere meter 83 reading through glass board 10, in sliding into spout 12 with the bottom of backup pad 13 during rainy, the rainwater flows from both sides through the guiding gutter at both ends around 14 rain shields, when needing to overhaul current transformer 7 and ampere meter 83, pulls out backup pad 13, upwards pulls out slide 3 through handle 11 and overhauls.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (7)

1. The utility model provides a current transformer's mounting structure which characterized in that: comprises a mounting shell (1), a mounting mechanism (6) and a measuring mechanism (8);
mounting case (1): supporting columns (2) are arranged at four corners of the lower surface of the mounting shell, wire inlets (4) are arranged at the upper ends of the left side surface and the right side surface of the mounting shell (1), wire outlets (5) are arranged at the lower ends of the left side surface and the right side surface of the mounting shell (1), the wire inlets (4) correspond to the wire outlets (5) in the vertical position, a sliding plate (3) is connected in a sliding groove at the front end of the mounting shell (1) in a sliding mode, and a handle (11) is arranged at the upper end of the sliding plate (3);
mounting mechanism (6): the mounting mechanism is arranged in the middle of the rear wall of the mounting shell (1), the front side surface of the mounting mechanism (6) is fixedly connected with a current transformer (7) through a bolt, the rear end of the current transformer (7) is fixedly connected with the front surface of a rectangular column (16), and the rectangular column (16) is mounted in a matched manner with the mounting mechanism (6);
measurement mechanism (8): the upper end of the measuring mechanism (8) is fixedly connected with the front surface of the base at the rear end of the current transformer (7).
2. A mounting structure of a current transformer according to claim 1, wherein: still include support frame (15), support frame (15) bilateral symmetry sets up in the back wall middle part of installation shell (1), and the upper surface of two support frames (15) all contacts with the lower surface of current transformer (7).
3. A mounting structure of a current transformer according to claim 1, wherein: the mounting mechanism (6) comprises a pulling plate (61), a transmission column (62), a spring (63), a lower pressing plate (64) and an insulating plate (65), insulation board (65) set up in the back wall middle part of installation shell (1), insulation board (65) are located the upper end of support frame (15), sliding connection has transmission post (62) in the upper end slide opening of insulation board (65), the lower extreme fixedly connected with holding down plate (64) of transmission post (62), be equipped with spring (63) between the top of the mounting groove at holding down plate (64) and insulation board (65) middle part, the extrados of transmission post (62) is located to spring (63) movable sleeve, the upper end of transmission post (62) is equipped with arm-tie (61), bolt fixed connection is passed through with the rear end of current transformer (7) to the front surface of insulation board (65), rectangle post (16) are located between the lower surface of holding down plate (64) and the diapire of mounting groove.
4. A mounting structure of a current transformer according to claim 1, wherein: still include spout (12), backup pad (13) and rain shade (14), spout (12) transversely set up in the upper surface middle part of installation shell (1), and the bottom and spout (12) sliding connection of backup pad (13), rain shade (14) set up in the upper end of backup pad (13), and both sides are equipped with the guiding gutter around rain shade (14).
5. A mounting structure of a current transformer according to claim 1, wherein: measuring mechanism (8) include left side terminal (81), right side terminal (82) and ampere meter (83), left side terminal (81) set up in the left side middle part terminal department of current transformer (7) rear end base, and the right side middle part terminal department of current transformer (7) rear end base is equipped with right side terminal (82), and ampere meter (83) set up in the diapire front side of installation shell (1), and left side terminal (81) and right side terminal (82) link to each other through the wire, and it has ampere meter (83) to establish ties in the middle of the wire.
6. A mounting structure of a current transformer according to claim 5, wherein: still include ground post (9), ground post (9) set up in the lower surface of installation shell (1), and the upper end of ground post (9) is passed through the earth connection and is linked to each other with left side terminal (81).
7. A mounting structure of a current transformer according to claim 5, wherein: the glass plate is characterized by further comprising a glass plate (10), wherein the glass plate (10) is arranged in a middle mounting port of the sliding plate (3), and the ammeter (83) corresponds to the front and back positions of the glass plate (10).
CN202122478561.0U 2021-10-14 2021-10-14 Mounting structure of current transformer Active CN215933320U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122478561.0U CN215933320U (en) 2021-10-14 2021-10-14 Mounting structure of current transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122478561.0U CN215933320U (en) 2021-10-14 2021-10-14 Mounting structure of current transformer

Publications (1)

Publication Number Publication Date
CN215933320U true CN215933320U (en) 2022-03-01

Family

ID=80404735

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122478561.0U Active CN215933320U (en) 2021-10-14 2021-10-14 Mounting structure of current transformer

Country Status (1)

Country Link
CN (1) CN215933320U (en)

Similar Documents

Publication Publication Date Title
CN215933320U (en) Mounting structure of current transformer
CN209293541U (en) A kind of DC power transmission line steel tower
CN103969474A (en) Multifunctional fast GIS partial discharge measuring sensor fixing device
CN207149923U (en) The power distribution cabinet that a kind of interior turnover panel lead is fixed
CN210297064U (en) Live-line work tool integrating insulating bottle supporting frame and potential transferring function
CN205353152U (en) Electric energy meter plug connector
CN112467603A (en) Power cable clamping device of 10 KV switch cabinet
CN208736913U (en) A kind of three-phase kilowatt-hour meter mounting bedplate
CN207282941U (en) A kind of single-point fixed mounting plate on switchgear
CN203858272U (en) Multipurpose sensor-fixing device for GIS partial discharge measurement
CN205016912U (en) Outdoor transverse arrangement's high -voltage switch and fuse combination gas tank
CN205666598U (en) Mechanical linkage's mechanism of arrester in groups
CN210243695U (en) Bi-pass sleeve insulating property detection device
CN203395389U (en) Cable support frame
CN211888706U (en) Copper bar supporting device for copper bar bending equipment
CN216794393U (en) Electric shock prevention type switch board with protection casing
CN215681008U (en) Hook type electricity taking device
CN212540463U (en) Electric power safety tool combined test frame
CN212625341U (en) Rainproof outdoor isolating switch
CN216212697U (en) On-load switch temporary support structure and transformer
CN211981144U (en) Double-pole double-switch mounting structure for double-circuit line
CN215009293U (en) Expanded safety insulation isolation baffle
CN217332532U (en) Multifunctional wiring device for live-line test of lightning arrester
CN216903818U (en) Sheet metal support frame for power distribution cabinet
CN212908761U (en) Transformer substation overhauls and uses operation platform

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant