Current transformer assembly

Abstract

The utility model relates to the technical field of current transformers, in particular to a current transformer component which comprises a mounting plate and a support, the support is fixedly connected to the back of a current transformer body, a mounting hole is formed in the outer side wall of the mounting plate in a penetrating mode, and the mounting plate is rotationally connected with one end of the support. A groove and an installation groove are formed in the outer side wall of the installation plate in a penetrating mode, the fixing mechanism comprises two clamping plates and two fixing rods, the placement angle of the current transformer body can be conveniently adjusted so as to meet the installation requirements of different angles, the current transformer body can be better matched with a subsequent cable used for being connected with a molded case circuit breaker, and the installation efficiency is improved. The cable is arranged in the current transformer main body to measure and monitor the current in the circuit, and the fixing mechanism is arranged to fix the cable, so that the cable is prevented from sliding and shifting in the current transformer main body to cause friction damage to the cable, and the cable shifting is prevented from influencing the accuracy of current measurement of the current transformer main body.

Description

TECHNICAL FIELD

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

[0002] Current transformer is the instrument that once side large current is converted into secondary side small current to measure according to electromagnetic induction principle, and current transformer is composed of closed core and winding, and its primary winding turns are few, and it is in the line of current to be measured, and molded case circuit breaker is used for overload long delay, short-circuit instantaneous equipment, including rated limit short-circuit breaking capacity, current-limiting breaking capacity and other characteristics, current transformer is smooth, and current transformer is usually connected with molded case circuit breaker through cable, and is used cooperatively.

[0003] In prior art, such as patent application number "CN202122101163.7" proposes a kind of current transformer for intelligent molded case circuit breaker, the utility model discloses a sleeve, first compression spring and sleeve rod can be used to push recessed frame to the middle and move to fix mutual inductor body, pull rod and pull block can be set, which can facilitate the disassembly and maintenance of recessed frame to mutual inductor body, second compression spring can be set to push pull rod to the middle, to avoid pull rod movement, by setting the above structure, it has the advantage that current transformer can be conveniently disassembled and maintained.

[0004] However, in the above patent application, when installing the current transformer, the cable connected with the molded case circuit breaker needs to pass through the current transformer, but multiple cables are complex and arranged in different directions. The current transformer in the above patent application cannot adjust the installation angle of the current transformer conveniently according to the positions of different cables, which leads to unstable installation of the cable position, affecting the monitoring and measurement of current. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of current transformer assembly to solve the problems raised in the above background.

[0006] The purpose of the utility model can be realized by the following technical solutions:

[0007] A kind of current transformer assembly, including current transformer main body, the through hole is opened in the through hole of current transformer main body outer side wall, two installation mechanisms are arranged on the back of current transformer main body, and fixed mechanism is arranged on the front end surface of current transformer main body.

[0008] The mounting mechanism comprises a mounting plate and a support, the support is fixedly connected at the back of the current transformer body, a mounting hole is formed through the outer wall of the mounting plate, the mounting plate is rotatably connected with the support, a groove and a mounting slot are formed through the outer wall of the mounting plate, the fixing mechanism comprises two clamping plates and two fixing rods, the two clamping plates are movably arranged at one side of the current transformer body, the two fixing rods are fixedly installed at the front end surface of the current transformer body, and the two fixing rods are fixedly connected with two fixing plates at the two ends, and the two fixing plates are fixedly connected at the front end surface of the current transformer body.

[0009] Preferably, a rotating shaft is rotatably connected in the groove, a rotating column is fixedly connected to the upper end of the rotating shaft and located in the groove, a sliding groove is formed in the inner wall of the mounting slot, a T-shaped sliding block one is slidably connected in the sliding groove, and a plurality of fixed insertion grooves are formed in the outer wall of the rotating column and matched with one end of the T-shaped sliding block one.

[0010] Preferably, a spring sheet is arranged between the one end of the T-shaped sliding block one and the inner wall of the sliding groove, a T-shaped sliding block two is slidably connected to the outer wall of the mounting plate, the one end of the T-shaped sliding block two is fixedly connected with the T-shaped sliding block one, a fixing nail is inserted into the outer wall of the T-shaped sliding block two, a fixing hole is formed in the outer wall of the mounting plate and located at the position close to the one end of the fixing nail, and the fixing hole is matched with the fixing nail.

[0011] Preferably, two sliding plates one and two sliding plates two are sleeved on the outer part of the two fixing rods, the one end of the two sliding plates one is fixedly connected with the two clamping plates respectively, and the outer wall of the two sliding plates one is fixedly connected with a screw rod.

[0012] Preferably, two limiting plates are sleeved on the outer part of the two screw rods, and the two limiting plates are fixedly connected with the current transformer body, and a nut is sleeved on the outer part of the screw rod and located between the two limiting plates.

[0013] Preferably, the one end of the two sliding plates two is fixedly connected with the screw rod, a thread one is formed in the inner wall of the nut, a thread two is formed in the outer wall of the screw rod, and the thread two is matched with the thread one.

[0014] The utility model discloses the beneficial effect that:

[0015] 1. The utility model discloses a fixed T-shaped slider two, removes the fixed T-shaped slider one, and makes T-shaped slider one one end remove from the fixed slot, and then rotates the support through the rotating shaft, can drive current transformer main body whole rotation, thereby can conveniently adjust the placement angle of current transformer main body to adapt to the installation demand of different angle, carries out stable installation, better cooperation with the subsequent cable for connecting the molded case circuit breaker in measurement and monitoring circuit current.

[0016] 2. The utility model discloses a rotating nut, makes the nut rotate in two limit boards, and cooperates screw thread two with screw thread one, can drive screw rod to move, thereby can make two clamps close to each other, can clamp and fix cable, avoids subsequent in the installation of another current transformer main body, and cable slips and shifts in current transformer main body, avoids causing cable friction damage, and guarantees the position stability between subsequent current transformer main body and cable, avoids the influence of current transformer main body's measurement current accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, for ordinary skilled person in the art, without paying the creative labor, can also obtain other drawings according to these drawings;

[0018] Figure 1 It is the overall structure schematic diagram of the utility model;

[0019] Figure 2 It is the structure schematic diagram of another view of the utility model;

[0020] Figure 3 It is the sectional view of installation plate in the utility model;

[0021] Figure 4 It is the structure schematic diagram of the utility model in Figure 3 The enlarged view of A in the middle;

[0022] Figure 5 It is the structure schematic diagram of fixed mechanism in the utility model.

[0023] The reference signs in the drawing are as follows:

[0024] 1, current transformer body; 2, mounting plate; 3, through hole; 4, support; 5, mounting hole; 6, rotating column; 7, rotating shaft; 9, T-shaped slider one; 10, sliding groove; 11, spring piece; 12, T-shaped slider two; 13, fixing nail; 14, clamping plate; 15, fixed rod; 16, screw rod; 17, limiting plate; 18, nut; 19, sliding plate one; 20, sliding plate two; 21, mounting groove; 22, groove; 23, fixed plate; 24, fixed slot. DETAILED DESCRIPTION

[0025] 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, rather than 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.

[0026] A current transformer assembly, as shown in Figures 1-5 The current transformer body 1 is provided with two mounting mechanisms on the back surface, and the front end surface of the current transformer body 1 is provided with a fixing mechanism. The mounting mechanism comprises a mounting plate 2 and a support 4. The support 4 is fixedly connected to the back surface of the current transformer body 1. The outer side wall of the mounting plate 2 is provided with a mounting hole 5. The mounting plate 2 is rotatably connected to one end of the support 4. The outer side wall of the mounting plate 2 is provided with a groove 22 and a mounting groove 21. The fixing mechanism comprises two clamping plates 14 and two fixed rods 15. The two clamping plates 14 are movably arranged on one side of the current transformer body 1. The two fixed rods 15 are fixedly arranged on the front end surface of the current transformer body 1. The two fixed rods 15 are fixedly connected with two fixed plates 23 at both ends. The two fixed plates 23 are fixedly connected to the front end surface of the current transformer body 1.

[0027] The rotating shaft 7 is rotatably connected in the groove 22. The rotating column 6 is fixedly connected to the upper end of the rotating shaft 7 and located in the groove 22. The sliding groove 10 is arranged in the inner wall of the mounting groove 21. The T-shaped slider one 9 is slidably connected in the sliding groove 10. The outer side wall of the rotating column 6 is provided with a plurality of fixed slots 24, which are matched with one end of the T-shaped slider one 9.

[0028] The T-shaped slider one 9 is provided with a spring sheet 11 between one end and the inner wall of the sliding groove 10, the T-shaped slider two 12 is slidably connected to the outer side wall of the mounting plate 2, and one end of the T-shaped slider two 12 is fixedly connected to the T-shaped slider one 9, the T-shaped slider two 12 is provided with a fixing nail 13 on the outer side wall, a fixing hole is formed on the outer side wall of the mounting plate 2 and close to one end of the fixing nail 13, and the fixing hole is matched with the fixing nail 13, one end of the fixing nail 13 is inserted into the fixing hole through the T-shaped slider two 12, and the position of the T-shaped slider two 12 can be fixed.

[0029] In use, the mounting plate 2 is fixed at the mounting position to be installed through the external screw cooperating with the mounting hole 5, the current transformer body 1 can be installed and fixed at the mounting position to be installed, after being fixed, the fixing nail 13 is pulled out of the T-shaped slider two 12 to release the fixing of the T-shaped slider two 12, the T-shaped slider two 12 is moved to drive the T-shaped slider one 9 to slide along the inside of the sliding groove 10, the spring sheet 11 is compressed to drive one end of the T-shaped slider one 9 to move out of the fixing slot 24 to release the fixing of the rotating column 6 and the fixing shaft 7, at this time, the support 4 can be rotated through the rotating shaft 7 to drive the current transformer body 1 to rotate as a whole, the placing angle of the current transformer body 1 can be adjusted to adapt to the installation requirement of different angles and better cooperate with the subsequent cable for connecting the molded case circuit breaker to measure and monitor the current in the circuit.

[0030] After the placing angle of the current transformer body 1 is adjusted, the T-shaped slider two 12 is moved to the initial position, and the elastic force of the spring sheet 11 can drive one end of the T-shaped slider one 9 to be inserted into the corresponding fixing slot 24 again to fix the position of the rotating column 6, one end of the fixing nail 13 is inserted into the fixing hole through the T-shaped slider two 12 to fix the position of the T-shaped slider two 12, and the position of the support 4 and the current transformer body 1 can be fixed again.

[0031] The two fixed rods 15 are each sleeved with two sliding plates one 19 and two sliding plates two 20, one end of each of the two sliding plates one 19 is fixedly connected to the two clamping plates 14, the outer side wall of each of the two sliding plates one 19 is fixedly connected with a screw rod 16, the outer side wall of each of the two screw rods 16 is sleeved with a limiting plate 17, the limiting plate 17 is fixedly connected to the current transformer body 1, the outer side wall of the screw rod 16 is sleeved with a nut 18 between the two limiting plates 17, one end of each of the two sliding plates two 20 is fixedly connected to the screw rod 16, the inner wall of the nut 18 is provided with a thread one, the outer wall of the screw rod 16 is provided with a thread two, the thread two cooperates with the thread one, and the two limiting plates 17 limit the nut 18 to rotate only in the two limiting plates 17, and the thread one and the thread two can drive the screw rod 16 to move.

[0032] Specifically, after the current transformer body 1 is sleeved outside the cable through the mounting plate 2, the nut 18 can be rotated, so that the nut 18 is rotated in the two limiting plates 17, and cooperates with the thread two and the thread one, can drive the screw rod 16 to move through the sliding plate two 20 cooperates with the fixed rod 15, thereby driving the T-shaped sliding block one 9 to slide along the fixed rod 15, driving the clamping plate 14 to move, and the other group of clamping plates 14 can be moved in the same way, the two clamping plates 14 are close to each other, can clamp and fix the cable, avoid the cable to slide and shift in the current transformer body 1 in subsequent installation of another current transformer body 1, avoid causing the cable friction damage, and ensure the position stability between the subsequent current transformer body 1 and the cable, avoid the cable displacement, influence the accuracy of the current transformer body 1 to measure the current.

[0033] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A current transformer assembly comprising a current transformer body (1), characterized in that, The current transformer body (1) is provided with a through hole (3) on the outer wall, two mounting mechanisms are arranged on the back of the current transformer body (1), and a fixing mechanism is arranged on the front end surface of the current transformer body (1); The mounting mechanism comprises a mounting plate (2) and a support (4), the support (4) is fixedly connected to the back of the current transformer body (1), the mounting plate (2) is provided with a mounting hole (5) on the outer wall, the mounting plate (2) is rotatably connected to one end of the support (4), the outer wall of the mounting plate (2) is provided with a groove (22) and a mounting groove (21), the fixing mechanism comprises two clamping plates (14) and two fixing rods (15), the two clamping plates (14) are movably arranged on one side of the current transformer body (1), the two fixing rods (15) are fixedly arranged on the front end surface of the current transformer body (1), and the two fixing rods (15) are fixedly connected with fixing plates (23) at both ends, and the two fixing plates (23) are fixedly connected to the front end surface of the current transformer body (1).

2. A current transformer assembly according to claim 1, wherein, The inner part of the groove (22) is rotatably connected with a rotating shaft (7), the rotating shaft (7) is fixedly connected with a rotating column (6) at the upper end and in the inner part of the groove (22), the inner wall of the mounting groove (21) is provided with a sliding groove (10), the sliding groove (10) is slidably connected with a T-shaped sliding block (9), the outer wall of the rotating column (6) is provided with a plurality of fixed insertion grooves (24), and the fixed insertion grooves (24) are matched with one end of the T-shaped sliding block (9).

3. A current transformer assembly according to claim 2, wherein, The T-shaped sliding block (9) is provided with a spring piece (11) between one end and the inner wall of the sliding groove (10), the outer wall of the mounting plate (2) is slidably connected with a T-shaped sliding block (12), one end of the T-shaped sliding block (12) is fixedly connected with the T-shaped sliding block (9), the outer wall of the T-shaped sliding block (12) is inserted with a fixing nail (13), the outer wall of the mounting plate (2) is provided with a fixing hole near one end of the fixing nail (13), and the fixing hole is matched with the fixing nail (13).

4. A current transformer assembly according to claim 1, wherein, The outer part of the two fixing rods (15) is sleeved with two sliding plates (19) and two sliding plates (20), one end of the two sliding plates (19) is fixedly connected with the two clamping plates (14) respectively, and the outer wall of the two sliding plates (19) is fixedly connected with a screw rod (16).

5. A current transformer assembly according to claim 4, wherein, The outer part of the two screw rods (16) is sleeved with two limiting plates (17), and the two limiting plates (17) are fixedly connected with the current transformer body (1), the outer part of the screw rod (16) is sleeved with a nut (18) between the two limiting plates (17).

6. A current transformer assembly according to claim 5, wherein, One end of the two sliding plates (20) is fixedly connected with the screw rod (16), the inner wall of the nut (18) is provided with a thread one, the outer wall of the screw rod (16) is provided with a thread two, and the thread two is matched with the thread one.

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