CN213752258U

CN213752258U - Primary conductor structure of current transformer

Info

Publication number: CN213752258U
Application number: CN202023274705.2U
Authority: CN
Inventors: 李剑
Original assignee: Yangzhou Runpu Electric Manufacturing Co ltd
Current assignee: Yangzhou Runpu Electric Manufacturing Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-07-20
Anticipated expiration: 2030-12-30

Abstract

The utility model provides a current transformer primary conductor structure. The primary conductor structure of the current transformer comprises: an electromagnetic transformer; the primary conductor is arranged on the top of the electromagnetic transformer; the fixed subassembly, the fixed subassembly is fixed in electromagnetic transformer's top, the fixed subassembly is including fixed frame, the fixed surface fixedly connected with fixed block of primary conductor, the spacing groove has all been seted up to the bottom of the both sides of fixed block. The utility model provides a current transformer primary conductor structure has and makes and carries out fixed connection between primary conductor and the electromagnetic transformer through fixed subassembly, realizes the installation and the dismantlement to fixed subassembly through promoting the subassembly to convenient installation and the dismantlement between primary conductor and the electromagnetic transformer use manpower sparingly material resources, fixes primary conductor in the fixed plate through spacing subassembly, realizes spacing to primary conductor, improves primary conductor and installs efficiency, the simple operation on electromagnetic transformer.

Description

Primary conductor structure of current transformer

Technical Field

The utility model relates to a current transformer field especially relates to a current transformer primary conductor structure.

Background

The current transformer is mainly used for converting large current in an alternating current circuit into small current with a certain proportion for measurement and relay protection.

When primary conductor is with current transformer interconnect, current mounting structure is generally comparatively complicated, need use a large amount of manpower and materials when the installation to primary conductor takes place the skew easily when connecting, influences the installation of primary conductor.

Therefore, it is necessary to provide a primary conductor structure of a current transformer to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a current transformer primary conductor structure has solved the inconvenient problem of current transformer installation.

In order to solve the technical problem, the utility model provides a current transformer primary conductor structure, include: an electromagnetic transformer;

the primary conductor is arranged on the top of the electromagnetic transformer;

the fixing assembly is fixed at the top of the electromagnetic transformer and comprises a fixing frame, the outer surface of the primary conductor is fixedly connected with a fixing block, the bottoms of two sides of the fixing block are respectively provided with a limiting groove, the inner surfaces of the two limiting grooves are respectively connected with a clamping block in a sliding manner, the two sides of the inner wall of the fixing frame are respectively provided with a clamping groove, the outer surface of the clamping block is connected with the inner surface of the clamping groove in a sliding manner, and one side, close to each other, of the two clamping blocks is fixedly connected with the inner wall of the limiting groove through a clamping spring;

the pushing assembly slides on the fixing assembly and comprises two pushing rods, one ends, close to each other, of the two pushing rods are fixedly connected with a pushing plate, one ends, far away from each other, of the two pushing rods are fixedly connected with a connecting plate, abutting springs are sleeved on the outer surfaces of the two pushing rods, and two ends of each abutting spring are fixedly connected with the fixing frame and the connecting plate respectively;

the two fixing plates are fixed on two sides of the top of the electromagnetic transformer;

two spacing subassemblies, two spacing subassembly sets up respectively in two on the fixed plate, two spacing subassembly all includes two slide bars, is located same two on the fixed plate the equal fixedly connected with limiting plate in one side that the slide bar is close to each other, and be located same two on the fixed plate the equal fixedly connected with joint board in one side that the slide bar kept away from each other, four limit spring has all been cup jointed to the surface of slide bar, limit spring's both ends respectively with the fixed plate with joint board fixed connection.

Preferably, the fixed frame is of a concave structure, and the inner surface of the fixed frame is in sliding connection with the outer surface of the fixed block.

Preferably, two limiting holes are formed in the two sides of the fixing frame and communicated with the clamping grooves respectively, and the inner surfaces of the two limiting holes are in sliding connection with the outer surface of the push rod.

Preferably, two the surface of catch bar all cup joints the butt spring, the both ends of butt spring with fixed frame with connecting plate fixed connection.

Preferably, the fixing plate is of a U-shaped structure, and the outer surface of the primary conductor is slidably connected with the inner surface of the fixing plate.

Preferably, one side of each of the two limiting plates, which is close to each other, is of an arc structure.

Preferably, the tops of the two limiting plates are fixedly connected with a guide plate.

Compared with the prior art, the utility model provides a current transformer primary conductor structure has following beneficial effect:

the utility model provides a conductor structure for current transformer carries out fixed connection through fixed subassembly messenger between primary conductor and the electromagnetic transformer, realizes the installation and the dismantlement to fixed subassembly through promoting the subassembly to convenient installation and the dismantlement between primary conductor and the electromagnetic transformer use manpower sparingly material resources, fix primary conductor in the fixed plate through spacing subassembly, realize spacing to primary conductor, improve primary conductor and install efficiency, the simple operation on the electromagnetic transformer.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a primary conductor structure of a current transformer according to the present invention;

FIG. 2 is a side cross-sectional view of FIG. 1;

FIG. 3 is a side view of FIG. 1;

FIG. 4 is an enlarged view of portion A of FIG. 2;

fig. 5 is an enlarged view of the portion B shown in fig. 3.

Reference numbers in the figures: 1. electromagnetic transformer, 2, primary conductor, 3, fixed subassembly, 31, fixed frame, 32, fixed block, 33, spacing groove, 34, joint piece, 35, joint spring, 36, joint groove, 4, promotion subassembly, 41, catch bar, 42, spacing hole, 43, push pedal, 44, connecting plate, 45, butt spring, 5, fixed plate, 6, spacing subassembly, 61, slide bar, 62, limiting plate, 63, the joint board, 64, spacing spring, 65, deflector.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic structural diagram of a primary conductor structure of a current transformer according to a preferred embodiment of the present invention; FIG. 2 is a side cross-sectional view of FIG. 1; FIG. 3 is a side view of FIG. 1; FIG. 4 is an enlarged view of portion A of FIG. 2; fig. 5 is an enlarged view of the portion B shown in fig. 3. The primary conductor structure of the current transformer comprises: an electromagnetic transformer 1;

the primary conductor 2 is arranged on the top of the electromagnetic mutual inductor 1;

the fixing assembly 3 is fixed at the top of the electromagnetic transformer 1, the fixing assembly 3 comprises a fixing frame 31, the outer surface of the primary conductor 2 is fixedly connected with a fixing block 32, the bottoms of the two sides of the fixing block 32 are respectively provided with a limiting groove 33, the inner surfaces of the two limiting grooves 33 are respectively connected with a clamping block 34 in a sliding manner, the two sides of the inner wall of the fixing frame 31 are respectively provided with a clamping groove 36, the outer surface of the clamping block 34 is connected with the inner surface of the clamping groove 36 in a sliding manner, and one side, close to each other, of the two clamping blocks 34 is fixedly connected with the inner wall of the limiting groove 33 through a clamping spring 35;

the pushing assembly 4 slides on the fixing assembly 3, the pushing assembly 4 comprises two pushing rods 41, one ends, close to each other, of the two pushing rods 41 are fixedly connected with a pushing plate 43, one ends, far away from each other, of the two pushing rods 41 are fixedly connected with a connecting plate 44, the outer surfaces of the two pushing rods 41 are sleeved with abutting springs 45, and two ends of each abutting spring 45 are fixedly connected with the fixing frame 31 and the connecting plate 44 respectively;

the two fixing plates 5 are fixed on two sides of the top of the electromagnetic transformer 1;

two spacing subassemblies 6, two spacing subassembly 6 sets up respectively in two on the fixed plate 5, two spacing subassembly 6 all includes two slide bars 61, is located same two on the fixed plate 5 the equal fixedly connected with limiting plate 62 in one side that slide bar 61 is close to each other, and be located same two on the fixed plate 5 the equal fixedly connected with joint board 63 in one side that slide bar 61 kept away from each other, four limit spring 64 has all been cup jointed to the surface of slide bar 61, limit spring 64's both ends respectively with fixed plate 5 with joint board 63 fixed connection.

Make through fixed subassembly 3 and carry out fixed connection between primary conductor 2 and the electromagnetic transformer 1, realize the installation and the dismantlement to fixed subassembly 3 through promotion subassembly 4 to make things convenient for the installation and the dismantlement between primary conductor 2 and the electromagnetic transformer 1, the material resources of using manpower sparingly fix primary conductor 2 in fixed plate 5 through spacing subassembly 6, realize spacing to primary conductor 2, improve primary conductor 2 and install efficiency, the simple operation on electromagnetic transformer 1.

The fixing frame 31 is of a concave structure, and the inner surface of the fixing frame 31 is in sliding connection with the outer surface of the fixing block 32.

Through the concave surface of fixed frame 31 to make things convenient for fixed block 32 to remove to fixed frame 31 in, carry out the joint through joint piece 34 to joint groove 36, thereby realize fixed block 32 and fixed frame 31's stable connection, thereby make primary conductor 2 and electromagnetic transformer 1 stable connection.

Two limiting holes 42 are formed in two sides of the fixing frame 31, the two limiting holes 42 are communicated with the clamping grooves 36 respectively, and the inner surfaces of the two limiting holes 42 are connected with the outer surface of the push rod 41 in a sliding mode.

The pushing rod 41 can slide stably in the fixing frame 31 through the limiting hole 42, so that the clamping block 34 can be conveniently installed and detached in the clamping groove 36.

The outer surfaces of the two push rods 41 are respectively sleeved with an abutting spring 45, and two ends of the abutting spring 45 are fixedly connected with the fixed frame 31 and the connecting plate 44.

The two push rods 41 are made to be away from each other by the abutting spring 45, so that the two push plates 43 are made to be away from each other, thereby stably clamping the clamping block 34 in the clamping groove 36.

The fixing plate 5 is of a U-shaped structure, and the outer surface of the primary conductor 2 is in sliding connection with the inner surface of the fixing plate 5.

When primary conductor 2 is installed through fixed plate 5, carry on spacingly to primary conductor 2, prevent that primary conductor 2 from taking place the skew in the installation, the influence reduces work efficiency to the installation of primary conductor 2.

And one sides of the two limiting plates 62 close to each other are both arc-shaped structures.

Through the cambered surfaces of two limiting plates 62, convenient two limiting plates 62 that make under the effect of spacing spring 64 can carry on spacingly to the primary conductor 2 homoenergetic of equidimension not.

The tops of the two limiting plates 62 are fixedly connected with guide plates 65.

The two guide plates 65 guide the movement of the primary conductor 2 to the fixing plate 5, and the two limit plates 62 are prevented from influencing the movement of the primary conductor 2 to the fixing plate 5.

The utility model provides a current transformer primary conductor structure's theory of operation as follows:

when the primary conductor 2 needs to be fixed in the electromagnetic transformer 1, firstly, two ends of the primary conductor 2 are moved into the fixing plate 5, so that the guide plates 65 are far away from each other, so that two limit plates 62 are far away from each other, so that the sliding rod 61 moves on the fixing plate 5, so that the clamping plate 63 drives the limit spring 64 to stretch, two clamping blocks 34 on the fixing block 32 are moved into the limit groove 33, so that the clamping spring 35 is compressed, then the fixing block 32 is moved into the fixing frame 31, when the clamping blocks 34 are moved to one side of the clamping groove 36, the clamping blocks 34 are moved through the clamping springs 35, so that the clamping blocks 34 clamp the clamping grooves 36, so that the fixing block 32 and the fixing frame 31 are fixedly connected, meanwhile, the primary conductor 2 is moved between the two limit plates 62, the two sliding rods 61 are close to each other through the limit spring 64 to limit the primary conductor 2, the installation of the primary conductor 2 is realized;

when the primary conductor 2 is taken off from the electromagnetic transformer 1 as required, through making two connecting plates 44 be close to each other, thereby make butt spring 45 compress, thereby make catch bar 41 slide in spacing hole 42, make push pedal 43 remove and drive joint piece 34 and move towards spacing inslot 33, in joint piece 34 shifts out joint groove 36, upward movement primary conductor 2, make fixed block 32 shift out fixed frame 31, loosen connecting plate 44, under the effect of butt spring 45, make connecting plate 44 reset, thereby upward movement primary conductor 2 makes two limiting plates 62 keep away from each other, thereby make primary conductor 2 leave fixed plate 5, realize the dismantlement to primary conductor 2.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A primary conductor structure of a current transformer, comprising: an electromagnetic transformer;

2. The primary conductor structure of current transformer as claimed in claim 1, wherein said fixing frame is a concave structure, and the inner surface of said fixing frame is slidably connected with the outer surface of said fixing block.

3. The primary conductor structure of the current transformer as claimed in claim 1, wherein two limiting holes are formed on both sides of the fixing frame, the two limiting holes are respectively communicated with the two engaging grooves, and inner surfaces of the two limiting holes are slidably connected with the outer surface of the pushing rod.

4. The primary conductor structure of the current transformer as claimed in claim 1, wherein the outer surfaces of the two push rods are sleeved with abutting springs, and two ends of the abutting springs are fixedly connected with the fixing frame and the connecting plate.

5. The primary conductor structure of current transformer according to claim 1, wherein said fixing plate is U-shaped, and the outer surface of said primary conductor is slidably connected to the inner surface of said fixing plate.

6. The primary conductor structure of current transformer according to claim 1, wherein the side of the two limiting plates close to each other is arc-shaped.

7. The primary conductor structure of the current transformer according to claim 1, wherein a guide plate is fixedly connected to the top of each of the two limiting plates.