Combined type electricity-taking measurement mutual inductor

Abstract

The utility model provides a combined electricity-taking measuring mutual inductor which comprises a fixing seat, a fixing groove is formed in the top of the fixing seat, an electrode column is installed on the side of the fixing groove, the electrode column is fixed to the fixing seat, a wire holder is fixed to the side of the fixing seat, an inserting hole is formed in the wire holder, and the inserting hole is communicated with the electrode column. A mounting groove is formed in the side of the fixed seat, a movable plate is movably mounted in the mounting groove, a fixed shaft is fixed on the movable plate, a movable seat is movably mounted on the side of the fixed seat, and one side of the movable seat is fixedly mounted on the fixed shaft. According to the combined electricity-taking measurement mutual inductor, when the combined electricity-taking measurement mutual inductor is used, the movable base rotates and then moves downwards, the extrusion plate on the movable base makes contact with the top of a cable, the extrusion plate extrudes and limits the cable along with descending of the movable base, and the influence caused by displacement of the cable in the fixing groove is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of measuring mutual inductance equipment, concretely to a combined power taking measurement mutual inductor. BACKGROUND

[0002] The current transformer is one of important elements matched with electrical equipment, is installed on the large current circuit, and provides signal for measuring instrument, meter or protection device according to the stipulated change, and specifically, the primary winding of the current transformer is connected in series in the power circuit, and the secondary winding of the current transformer is connected with the measuring device to realize the purpose of expanding the range of measuring device.

[0003] According to the patent literature disclosed by the prior art with the publication number CN210272055U, the combined power taking measurement mutual inductor includes a shell, a power taking module and a measurement module are arranged in the shell, a wire hole is arranged in the middle of the shell, the shell includes a front shell body and a rear shell body which are connected to each other, the front shell body includes a first shell body and a second shell body which are rotatably connected, the rear shell body includes a third shell body and a fourth shell body which are rotatably connected, and the front shell body and the rear shell body are locked by a locking connection structure, when the technical scheme is used, the power taking function and the measurement function are realized, the external power supply is not needed, the installation and use of the mutual inductor are facilitated, the power taking magnetic core, the measurement magnetic core and the shell can be opened and closed, the wire can be installed without being disconnected, and the above technical scheme realizes the power taking function, but different diameter cables cannot be extruded and limited when being used, and it is inconvenient when being used. UTILITY MODEL CONTENTS

[0004] In view of the defects in the prior art, the utility model aims at providing a combined power taking measurement mutual inductor to solve the problems in the background art, and the utility model has novel structure, when being used, the movable seat is rotated and then moves downward, the extrusion plate on the movable seat is in contact with the top of the cable, the extrusion plate realizes extrusion and limiting of the cable along with the descent of the movable seat, and the influence caused by the displacement of the cable in the fixing groove is avoided.

[0005] In order to realize the above object, the utility model is realized by the following technical scheme: a combined power taking measurement mutual inductor, including a fixed seat, a fixed groove is formed in the top of the fixed seat, an electrode column is mounted on the side of the fixed groove, the electrode column is fixed on the fixed seat, a terminal block is fixed on the side of the fixed seat, a plug hole is formed in the terminal block, an installation groove is formed in the side of the fixed seat, a movable plate is movably mounted in the installation groove, a fixed shaft is fixed on the movable plate, a movable seat is movably mounted on the side of the fixed seat, and the movable seat is fixedly mounted on the fixed shaft on one side.

[0006] Further, the movable seat is provided with a supporting groove, and an accommodation groove is formed in the inner wall of the supporting groove, and an movable column and a positioning column are movably arranged in the accommodation groove.

[0007] Further, the movable column is movably arranged between the positioning columns, one end of the positioning column and the movable column is fixedly provided with an extrusion plate, and the movable seat is provided with an opening.

[0008] Further, an arc-shaped piece is fixedly arranged on the inner wall of the opening, the arc-shaped piece is matched with the electrode column, and a power taking coil and a measuring coil are fixedly arranged between the opening and the electrode column.

[0009] Further, the side of the movable seat is fixedly provided with a reinforcing plate, the reinforcing plate is provided with a clamping groove, and the clamping groove is matched with a clamping block.

[0010] Further, the inside of the movable seat is provided with a supporting hole, a reset mechanism is fixedly arranged in the supporting hole, one end of the reset mechanism is fixedly arranged on the movable column, and the movable column is movably arranged in the supporting hole.

[0011] Further, a sliding groove is formed in the inner wall of the mounting groove, a sliding block is movably arranged in the sliding groove, one end of the sliding block is fixedly arranged on the movable plate, and a supporting mechanism is fixedly arranged between the sliding block and the sliding groove.

[0012] Further, a cable is movably arranged in the fixed groove, and one side of the cable is movably contacted with the extrusion plate.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. The combined power taking and measuring mutual inductor, when in use, the movable seat is rotated and then moves downward, the extrusion plate on the movable seat is contacted with the top of the cable, the extrusion plate realizes extrusion limiting of the cable with the descent of the movable seat, and the influence caused by the displacement of the cable in the fixed groove is avoided.

[0015] 2. The combined power taking and measuring mutual inductor, the positioning column and the positioning hole are matched to realize the re-limiting and fixing between the fixed seat and the movable seat, the dislocation displacement between the movable seat and the fixed seat is avoided, in addition, the fixed plate provides the aperture for the up and down movement of the movable seat, and the fixed plate provides the up and down limiting for the movable seat. ACCURACY

[0016] Fig. 1 It is a structural schematic view of the combined power taking and measuring mutual inductor;

[0017] Fig. 2 It is a structural schematic view of the sliding block of the combined power taking and measuring mutual inductor;

[0018] Fig. 3The utility model provides a combined type electricity taking measurement mutual inductor's fixed seat and movable seat side view section structure schematic diagram,

[0019] Fig. 4 The utility model provides a combined type electricity taking measurement mutual inductor's movable seat installation structure schematic diagram,

[0020] In the drawing: 1, fixed seat, 2, wiring seat, 3, jack, 4, fixed groove, 5, clamping block, 6, electrode column, 7, movable seat, 8, installation groove, 9, movable plate, 10, fixed shaft, 11, support groove, 12, storage groove, 13, movable column, 14, positioning column, 15, extrusion plate, 16, opening, 17, reinforcing plate, 18, clamping groove, 19, sliding block, 20, support mechanism, 21, arc piece, 22, electricity taking coil, 23, support hole, 24, reset mechanism, 25, sliding slot, 26, cable. Specific implementation

[0021] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific implementation.

[0022] Please refer to Figs. 1 to 4 The utility model provides a technical scheme: a combined type electricity taking measurement mutual inductor, including fixed seat 1, the top of fixed seat 1 is opened fixed groove 4, the side of fixed groove 4 is installed with electrode column 6, electrode column 6 is fixed on fixed seat 1, the side of fixed seat 1 is fixed with wiring seat 2, the wiring seat 2 is opened jack 3, the side of fixed seat 1 is opened installation groove 8, movable plate 9 is movably installed in the inside of installation groove 8, fixed shaft 10 is fixed on movable plate 9, movable seat 7 is movably installed on the side of fixed seat 1, one side of movable seat 7 is fixedly installed on fixed shaft 10, support groove 11 is opened on movable seat 7, storage groove 12 is opened on the inner wall of support groove 11, movable column 13 and positioning column 14 are movably installed in the inside of storage groove 12 respectively, when extrusion plate 15 is completely extruded, extrusion plate 15 is shrunk in the inside of storage groove 12, provides the biggest aperture for the installation of cable 26.

[0023] The movable column 13 is movably installed between the positioning columns 14, one end of the positioning column 14 and the movable column 13 is fixed with the extrusion plate 15, the movable seat 7 is provided with the opening 16, the inner wall of the opening 16 is fixed with the arc-shaped sheet 21, the arc-shaped sheet 21 is matched with the electrode column 6, the opening 16 and the electrode column 6 are respectively fixed with the power taking coil 22 and the measuring coil, the side of the movable seat 7 is fixed with the reinforcing plate 17, the reinforcing plate 17 is provided with the clamping groove 18, the clamping groove 18 is matched with the clamping block 5, the arc-shaped sheet 21 and the electrode column 6 are matched to realize the circuit connection, the arc-shaped sheet 21 at different positions is contacted with the electrode column 6 to provide multi-point connection.

[0024] The inside of the movable seat 7 is provided with the supporting hole 23, the inside of the supporting hole 23 is fixed with the reset mechanism 24, one end of the reset mechanism 24 is fixed on the movable column 13, the movable column 13 is movably installed in the inside of the supporting hole 23, the inner wall of the installation slot 8 is provided with the sliding groove 25, the inside of the sliding groove 25 is movably installed with the sliding block 19, one end of the sliding block 19 is fixed on the movable plate 9, the sliding block 19 and the sliding groove 25 are fixedly installed with the supporting mechanism 20, the inside of the fixed slot 4 is movably installed with the cable 26, one side of the cable 26 is movably contacted with the extrusion plate 15, the supporting mechanism 20 and the reset mechanism 24 are both spring structures, the supporting mechanism 20 provides downward pulling force for the movement of the movable plate 9, which is convenient for the downward returning movement of the movable seat 7.

[0025] In use, the jack 3 on the terminal block 2 is connected with the external line, a single device can complete the synchronous monitoring and measurement of multiple series of multiple groups of cables 26, in use, the cable 26 is installed in the inside of the fixed slot 4, the movable seat 7 drives the movable plate 9 to move upward in the inside of the installation slot 8, when the movable plate 9 moves upward, the sliding block 19 extrudes the supporting mechanism 20, the supporting mechanism 20 is extruded and contracted to provide enough space for the movement of the movable plate 9, after the movable seat 7 moves upward by 90 degrees, the movable seat 7 and the fixed seat 1 are distributed oppositely, after the fixed seat 1 and the movable seat 7 are distributed oppositely, the movable seat 7 is loosened, the movable plate 9 moves downward under the pushing of the supporting mechanism 20, the extrusion plate 15 is contacted with the top of the cable 26 after the movable seat 7 moves downward, the extrusion plate 15 pushes the movable column 13 to be contracted in the inside of the supporting hole 23, when the clamping groove 18 on the reinforcing plate 17 enters the position of the clamping block 5, the movable seat 7 is provided with upward and downward pulling force limiting, when the electrode column 6 is installed in the inside of the opening 16, the power taking coil 22 is made of high magnetic conductive material with high initial magnetic conductance, such as permalloy material, which can make the transformer reach the required power at very small current, the cross-sectional area of the power taking coil 22 is small, the magnetic core can be quickly saturated, the output voltage of the power taking coil 22 will not be too high at large current input, thereby the rear circuit can be protected from being damaged due to too high voltage, the measuring coil measures the current passing through the cable 26.

[0026] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0027] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A combined power pickup measuring transformer comprising a fixing base (1), characterized in that: The top of the fixed seat (1) is provided with a fixed slot (4), the side of the fixed slot (4) is provided with an electrode column (6), the electrode column (6) is fixed on the fixed seat (1), the side of the fixed seat (1) is fixed with a terminal seat (2), the terminal seat (2) is provided with a jack (3), the side of the fixed seat (1) is provided with a mounting slot (8), the inside of the mounting slot (8) is movably provided with a movable plate (9), the movable plate (9) is fixed with a fixed shaft (10), the side of the fixed seat (1) is movably provided with a movable seat (7), one side of the movable seat (7) is fixedly installed on the fixed shaft (10).

2. The combined power pickup measurement transformer of claim 1, wherein: The movable seat (7) is provided with a supporting slot (11), the inner wall of the supporting slot (11) is provided with a receiving slot (12), the inside of the receiving slot (12) is movably provided with a movable column (13) and a positioning column (14).

3. The combined power measurement transformer of claim 2, wherein: The movable column (13) is movably installed between the positioning columns (14), one end of the positioning column (14) and the movable column (13) is fixed with a pressing plate (15), the movable seat (7) is provided with an opening (16).

4. The combined power measurement transformer of claim 3, wherein: The inner wall of the opening (16) is fixed with an arc-shaped sheet (21), the arc-shaped sheet (21) cooperates with the electrode column (6), the opening (16) and the electrode column (6) are respectively fixedly provided with a power taking coil (22) and a measuring coil.

5. The combined power pickup measurement transformer of claim 1, wherein: The side of the movable seat (7) is fixed with a reinforcing plate (17), the reinforcing plate (17) is provided with a clamping slot (18), the clamping slot (18) cooperates with a clamping block (5).

6. The combined power pickup measurement transformer of claim 1, wherein: The inside of the movable seat (7) is provided with a supporting hole (23), the inside of the supporting hole (23) is fixed with a reset mechanism (24), one end of the reset mechanism (24) is fixed on the movable column (13), the movable column (13) is movably installed in the supporting hole (23).

7. The combined power pickup measurement transformer of claim 1, wherein: The inner wall of the mounting slot (8) is provided with a sliding groove (25), the inside of the sliding groove (25) is movably provided with a sliding block (19), one end of the sliding block (19) is fixed on the movable plate (9), the sliding block (19) and the sliding groove (25) are fixedly provided with a supporting mechanism (20).

8. The combined power and measurement transformer of claim 1, wherein: The inside of the fixed slot (4) is movably provided with a cable (26), one side of the cable (26) movably contacts the pressing plate (15).

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