Compact current transformer

Abstract

The utility model discloses a compact current transformer relates to current transformer technical field, including current transformer body, the bottom of current transformer body is provided with the adaptation mechanism that is used for make device adapt to different electrical equipment, adaptation mechanism includes: the positioning unit that is provided at the bottom of current transformer body, and the positioning unit is used for positioning the current transformer body. Comprising a sliding box body, two fixing plates are fixedly installed in the sliding box body, inserting columns are installed in the fixing plates in a sliding and penetrating mode, and sliding columns are fixedly installed at one ends of the inserting columns; according to the sliding seat unit, a user pulls a pull block towards the center of a sliding seat, the pull block drives a connecting rod and a linkage plate to move, at the moment, a sliding column slides in a sliding groove, two inserting columns move oppositely, meanwhile, a baffle ring extrudes a spring, one end of each inserting column is pulled out of an inserting hole, and the user can slide a sliding box body to adapt to different installation positions; the device can be installed on various electrical devices more conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to current transformer technical field, concretely is a compact current transformer. BACKGROUND

[0002] Current transformer is composed of closed core and winding, it is the instrument that converts primary side large current into secondary side small current to realize current measurement according to electromagnetic induction principle, and current transformer is mainly used for current measurement and line protection, and can also change high voltage into low voltage and large current into small current, and is mainly arranged in switch cabinet.

[0003] According to the compact current transformer of the utility model discloses a compact current transformer, including installation base and support seat, the support seat is installed and is connected on the upper end position of installation base, in the utility model, through the cooperation of the spacer component, support seat and the slot, two terminal connecting wires can be separated, the phenomenon that the short circuit of two lines is avoided, thereby the safety is improved, when installing the spacer component, first, the connecting lug at the bottom of the insulating rubber block is conveniently clamped in the slot, and the installation is connected by clamping, so that it is more convenient when installing, and when using, the insulating rubber block is arranged to block the middle of the first connecting terminal and the second connecting terminal, and the line of two terminals is supported apart by the first U-shaped support frame and the second U-shaped support frame, so that the phenomenon that the short circuit of two lines is avoided, thereby the safety is improved.

[0004] And based on the prior art, the existing compact current transformer still has the following problems, the existing current transformer is not consistent with the hole position of various electrical equipment installation positions when using and installing, and the existing current transformer is difficult to adapt to different electrical equipment, therefore, the utility model provides a compact current transformer. UTILITY MODEL CONTENTS

[0005] In view of the defects of the prior art, the utility model provides a compact current transformer, which solves the problems of the existing compact current transformer, the existing current transformer is not consistent with the hole position of various electrical equipment installation positions when using and installing, and the existing current transformer is difficult to adapt to different electrical equipment.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme: a compact current transformer, comprising a current transformer body, an adaptive mechanism is arranged at the bottom of the current transformer body for adapting the device to different electrical equipment, and the adaptive mechanism comprises:

[0007] The positioning unit is arranged at the bottom of the current transformer body, comprising a sliding box body, two fixed plates are fixedly installed in the inside of the sliding box body, an insertion column is slidably installed in the inside of the fixed plate, and a sliding column is fixedly installed at one end of the insertion column;

[0008] The sliding seat unit is arranged at the bottom of the current transformer body.

[0009] Preferably, the positioning unit further comprises a blocking ring fixedly installed at the outer circle of the insertion column, a spring is sleeved at the outer circle of the insertion column, a connecting rod is slidably installed in the rectangular groove of the bottom plate of the sliding box body, a linkage plate is fixedly installed at the top end of the connecting rod, two sliding grooves are formed in the inside of the linkage plate, the sliding column is adapted to slide in the sliding grooves, and a pulling block is fixedly installed at the bottom end of the connecting rod.

[0010] Preferably, the sliding seat unit comprises a sliding seat fixedly installed at the bottom of the current transformer body, and the left and right walls of the inner cavity of the sliding seat are both provided with an insertion hole, and the end of the insertion column away from the sliding column is slidably inserted into the inside of the insertion hole.

[0011] Preferably, the adapting mechanism further comprises an installation plate fixedly installed at the bottom of the sliding box body through bolts, and a waist-shaped hole is formed in the inside of the installation plate.

[0012] Preferably, the top of the current transformer body is fixedly installed with a first connecting terminal and a second connecting terminal, and the top of the current transformer body is fixedly installed with a brand logo.

[0013] Preferably, the outer circle of the current transformer body is fixedly installed with a plurality of heat dissipation fins, four reinforcing ribs are fixedly installed at the right angles between the current transformer body and the sliding seat, and the left and right sides of the current transformer body are both fixedly installed with a wire clamping block.

[0014] The utility model provides a compact current transformer, which has the following beneficial effects compared with the prior art:

[0015] (1), the compact current transformer, the user pulls the pulling block to the center of the sliding seat, the pulling block drives the connecting rod and the linkage plate to move, at this time the sliding column slides in the sliding groove, the two insertion columns move towards each other, the blocking ring extrudes the spring, one end of the insertion column is pulled out of the inside of the insertion hole, the user can realize the installation of different positions by sliding the sliding box body, and the compact current transformer can be more conveniently installed on various electrical equipment.

[0016] (2), the compact current transformer, the waist-shaped hole is formed in the inside of the installation plate, so that when the positioning unit completes the horizontal adjustment of the installation hole position, the waist-shaped hole can realize the vertical fine adjustment of the installation position of the bolt, thereby avoiding the situation that the bolt is not installed or installed obliquely. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is right view solid structure diagram of the utility model;

[0018] Figure 2 It is bottom view solid structure diagram of the utility model's adaptation mechanism;

[0019] Figure 3 It is sliding seat unit solid structure diagram of the utility model;

[0020] Figure 4 It is solid structure diagram of the utility model;

[0021] Figure 5 It is adaptation mechanism front split sectional view solid structure diagram of the utility model.

[0022] In the drawing: 1-current transformer body, 2-adaptation mechanism, 21-sliding seat unit, 211-sliding seat, 212-jack, 22-positioning unit, 221-sliding box body, 222-fixed plate, 223-insertion column, 224-stop ring, 225-spring, 226-sliding column, 227-linkage plate, 228-sliding slot, 229-connecting rod, 2210-pull block, 23-mounting unit, 231-mounting plate, 232-waist-shaped hole, 3-brand identification, 4-first connecting terminal, 5-second connecting terminal, 6-radiating fin, 7-stiffener, 8-cable clamp block. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-5 The utility model provides a technical scheme:

[0025] A compact current transformer, comprising a current transformer body 1, the bottom of the current transformer body 1 is provided with an adaptation mechanism 2 for adapting the device to different electrical equipment, the adaptation mechanism 2 comprises:

[0026] A positioning unit 22 is arranged at the bottom of the current transformer body 1 and comprises a sliding box body 221, two fixed plates 222 are fixedly installed inside the sliding box body 221, an insertion column 223 is slidably installed inside the fixed plate 222, and a sliding column 226 is fixedly installed at one end of the insertion column 223.

[0027] A sliding seat unit 21 is arranged at the bottom of the current transformer body 1.

[0028] In this embodiment, the positioning unit 22 also includes a retaining ring 224 fixedly installed on the outer ring of the plug column 223, the outer ring of the plug column 223 is provided with a spring 225, a connecting rod 229 is slidably installed in the rectangular groove of the bottom plate of the sliding box body 221, and a linkage plate 227 is fixedly installed on the top of the connecting rod 229. Two sliding grooves 228 are provided inside the linkage plate 227, and the sliding column 226 is adapted to slide inside the sliding groove 228, and a pull block 2210 is fixedly installed at the bottom end of the connecting rod 229.

[0029] The user pulls the pull block 2210 toward the center of the sliding seat 211, and the pull block 2210 drives the connecting rod 229 and the linkage plate 227 to move. At this time, the slide post 226 slides inside the slide groove 228, causing the two plug posts 223 to move toward each other. At the same time, the retaining ring 224 squeezes the spring 225, and one end of the plug post 223 is pulled out of the inside of the socket 212. The user slides the sliding box body 221 to adapt to different installation positions, which can be more conveniently installed on various electrical equipment. After that, the two springs 225 push the two retaining rings 224 through their own elastic force, and the two retaining rings 224 drive the two plug posts 223 to move in the opposite direction. The end of the plug post 223 away from the slide post 226 is inserted into the inside of the socket 212, and the slide post 226 on the plug post 223 slides inside the slide groove 228, driving the linkage plate 227, the connecting rod 229 and the pull block 2210 to reset.

[0030] The slide groove 228 is an oblique groove, and the slide column 226 slides inside the slide groove 228, so that the two plug columns 223 can be driven to move back and forth when the linkage plate 227 moves.

[0031] In this embodiment, the sliding seat unit 21 includes a sliding seat 211 fixedly installed at the bottom of the current transformer body 1. The left and right walls of the inner cavity of the sliding seat 211 are both provided with insertion holes 212, and the end of the insertion column 223 away from the sliding column 226 is slidably inserted into the interior of the insertion hole 212.

[0032] In this embodiment, the adapting mechanism 2 further includes a mounting plate 231 fixedly mounted on the bottom of the sliding box body 221 by bolts, and a waist-shaped hole 232 is formed inside the mounting plate 231 .

[0033] A waist-shaped hole 232 is opened inside the mounting plate 231, so that when the positioning unit 22 completes the horizontal adjustment of the mounting hole position, the waist-shaped hole 232 can realize the vertical fine-tuning of the installation position of the bolt, thereby avoiding the situation where the bolt is removed and installed obliquely or cannot be installed.

[0034] In this embodiment, a first connecting terminal 4 and a second connecting terminal 5 are fixedly mounted on the top of the current transformer body 1 , and a brand logo 3 is fixedly mounted on the top of the current transformer body 1 .

[0035] In this embodiment, the outer ring of the current transformer body 1 is fixedly installed with several heat dissipation fins 6, four reinforcing ribs 7 are fixedly installed between the current transformer body 1 and the sliding seat 211 at right angles, and the left and right sides of the current transformer body 1 are fixedly installed with wire clamping blocks 8.

[0036] The heat dissipation fins 6 can effectively increase the heat dissipation area of the current transformer, thereby improving the heat dissipation efficiency, the four reinforcing ribs 7 can make the installation between the current transformer body 1 and the adapter mechanism 2 more stable, and the wire clamping blocks 8 can enable the user to quickly identify the manufacturer and brand of the product.

[0037] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0038] In work, first, the user pulls the pull block 2210 to the center of the sliding seat 211, the pull block 2210 drives the connecting rod 229 and the linkage plate 227 to move, at this time, the slide column 226 slides in the slide groove 228, the two insertion columns 223 move towards each other, the blocking ring 224 extrudes the spring 225, one end of the insertion column 223 is pulled out of the inside of the insertion hole 212, the user slides the sliding box body 221 to adjust to the appropriate installation position, then the two springs 225 push the two blocking rings 224 through the elastic force of the springs, the two blocking rings 224 drive the two insertion columns 223 to move reversely, the end of the insertion column 223 away from the slide column 226 is inserted into the inside of the insertion hole 212, the slide column 226 on the insertion column 223 slides in the slide groove 228, drives the linkage plate 227, the connecting rod 229 and the pull block 2210 to reset, and then is installed through the bolt penetrating the waist-shaped hole 232.

[0039] It should be noted that, in the present document, the terms such as first and second, etc. are merely used to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0040] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A compact current transformer comprising a current transformer body (1), characterized in that: The bottom of the current transformer body (1) is provided with an adapting mechanism (2) for adapting the device to different electrical equipment, the adapting mechanism (2) comprises: A positioning unit (22) is arranged at the bottom of the current transformer body (1) and comprises a sliding box body (221), two fixed plates (222) are fixedly installed inside the sliding box body (221), a plug post (223) is slidingly installed inside the fixed plate (222), and a sliding post (226) is fixedly installed at one end of the plug post (223); A sliding seat unit (21) is arranged at the bottom of the current transformer body (1).

2. A compact current transformer according to claim 1, characterized in that: The positioning unit (22) further comprises a stop ring (224) fixedly installed at the outer circle of the plug post (223), a spring (225) is sleeved at the outer circle of the plug post (223), a connecting rod (229) is slidingly installed in the bottom plate rectangular groove of the sliding box body (221), a linkage plate (227) is fixedly installed at the top end of the connecting rod (229), two sliding grooves (228) are formed in the linkage plate (227), the sliding post (226) is adapted to slide in the sliding grooves (228), and a pull block (2210) is fixedly installed at the bottom end of the connecting rod (229).

3. A compact current transformer according to claim 1, characterized in that: The sliding seat unit (21) comprises a sliding seat (211) fixedly installed at the bottom of the current transformer body (1), plug holes (212) are formed in the left and right walls of the inner cavity of the sliding seat (211), and one end of the plug post (223) away from the sliding post (226) is slidingly inserted into the plug holes (212).

4. A compact current transformer according to claim 1, characterized in that: The adapting mechanism (2) further comprises a mounting plate (231) fixedly installed at the bottom of the sliding box body (221) through bolts, and a waist-shaped hole (232) is formed in the mounting plate (231).

5. A compact current transformer according to claim 1, characterized in that: The top of the current transformer body (1) is fixedly installed with a first connecting terminal (4) and a second connecting terminal (5), and the top of the current transformer body (1) is fixedly installed with a brand logo (3).

6. A compact current transformer according to claim 1, characterized in that: A plurality of heat dissipation fins (6) are fixedly installed at the outer circle of the current transformer body (1), four reinforcing ribs (7) are fixedly installed at the right angles between the current transformer body (1) and the sliding seat (211), and wire clamping blocks (8) are fixedly installed on the left and right sides of the current transformer body (1).

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