Multifunctional measuring and monitoring instrument for current transformer

By designing an integrated multi-function measurement and monitoring instrument with an integrated current transformer and assembled using a limit panel and a control rack, the problem of large space occupied by split equipment and inconvenient installation and maintenance is solved, compact design and high applicability are achieved, and the safe operation of the power system is ensured.

CN120195604APending Publication Date: 2025-06-24ZHONGPIN (WUXI) ELECTRIC CO LTD
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Patent Information

Application Number
CN202510380914.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2025-06-24

AI Technical Summary

Technical Problem

The existing current transformers and multi-function measurement and monitoring instruments are usually split, which takes up a lot of space when used, making it inconvenient for installation and maintenance.

Method used

An integrated current transformer multi-function measurement and monitoring instrument is designed. The current transformer and multi-function measurement and monitoring instrument are assembled through the limit panel and control frame to achieve a compact design and facilitate installation and maintenance. At the same time, the circuit line is protected by the rubber cylinder to prevent disconnection caused by pulling, and the instrument position is adjusted through the telescopic rod to adapt to operators of different heights.

Benefits of technology

It realizes the compact design of the instrument, which is easy to install and maintain, reduces space occupation, and improves the applicability and stability of the instrument, ensuring the safe operation of the power system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a multifunctional measuring and monitoring instrument for a current transformer, relates to the technical field of automation of a power system, and aims to solve the technical problems that the current transformer and the multifunctional measuring and monitoring instrument are mostly split, need to be matched for use, occupy space and are inconvenient to install and maintain during use. And the top of the mounting frame is fixedly connected with a mounting plate through a first bolt. The current transformer and the multifunctional measuring and monitoring instrument are assembled through the limiting plate, integrated design is achieved, the instrument is more compact and convenient to install and maintain, the occupied space effect is reduced, meanwhile, a circuit line can be protected through the rubber cylinder, and the situation that when the multifunctional measuring and monitoring instrument is adjusted, the current transformer and the multifunctional measuring and monitoring instrument are not damaged is avoided. The circuit line is disconnected with the current transformer under the pulling effect, and the position of the multifunctional measuring and monitoring instrument can be adjusted through the first telescopic rod, so that workers with different heights can observe data conveniently, and the practicability and stability of the device can be improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of power system automation, and more specifically, to a multi-functional measurement and monitoring instrument for current transformers. Background Art

[0002] A multi-functional measurement and monitoring instrument for current transformers is a power monitoring device that integrates multiple measurement and monitoring functions; these instruments are usually used in industrial and commercial power systems to achieve real-time monitoring and management of parameters such as current, voltage, power, and energy; they can provide accurate measurement data to help users optimize energy use, improve system efficiency, and ensure the safe operation of the power system.

[0003] Currently, when using a multi-functional measurement and monitoring instrument for current transformers, the current transformer and the multi-functional measurement and monitoring instrument are mostly separate and need to be used in combination. When using the current transformer and the multi-functional measurement and monitoring instrument, it occupies space and is inconvenient for installation and maintenance. In view of this, we propose a multi-functional measurement and monitoring instrument for current transformers. Summary of the Invention

[0004] The purpose of the present invention is to provide a multi-functional measurement and monitoring instrument for current transformers to solve the technical problems that the current transformer and the multi-functional measurement and monitoring instrument are mostly separate and need to be used in combination, occupying space and being inconvenient for installation and maintenance during use.

[0005] To solve the above technical problems, the present invention provides the following technical solutions: A multifunctional measurement and monitoring instrument for current transformers, including a mounting frame, the top of the mounting frame is fixedly connected with a mounting plate through a first bolt, and a combination mechanism is arranged on the top of the mounting plate; the combination mechanism includes a connecting plate, a wiring unit and a regulation unit, the combination mechanism is fixedly connected with the wiring unit, and the combination mechanism is movably connected with the regulation unit; the connecting plate is fixedly connected to the mounting plate through a second bolt, and a plurality of support plates are fixedly connected to the top of the connecting plate through a third bolt and the support plates are distributed in a square array, and a plurality of adjusting plates are respectively fixedly connected to the tops of the plurality of support plates through a fourth bolt and the adjusting plates are fixedly connected to the connecting plate through a fifth bolt, a support base is slidably connected to the inside of each support plate through a first pin, a support rod is fixedly connected to the top of each support base, two limiting plates are movably connected to the opposite sides of each support base and the support rod through a first insertion rod, first springs are symmetrically fixedly connected to one sides of the two limiting plates respectively and the first springs are fixedly connected to the support rod, a current transformer body is fixedly connected to the tops of the plurality of support bases together and the limiting plates are in movable contact with the current transformer body. The present invention assembles the current transformer and the multifunctional measurement and monitoring instrument through the limiting plates and the regulation frame, realizes an integrated design, makes the instrument more compact, is convenient for installation and maintenance, reduces the space occupation effect. At the same time, the circuit wires can be protected through the rubber cylinder, avoiding the disconnection of the circuit wires from the current transformer under the action of pulling when adjusting the multifunctional measurement and monitoring instrument, and the position of the multifunctional measurement and monitoring instrument can be adjusted through the first telescopic rod, which is convenient for staff of different heights to observe data, and is beneficial to improving the practicability and stability of the device.

[0006] Preferably, a plurality of ports are opened on one side of the current transformer body and the ports are distributed in a square array, a plurality of first terminal plates are fixedly connected to the other side of the current transformer body and the first terminal plates are distributed in a linear array, and chutes are opened on one side of two of the first terminal plates.

[0007] Preferably, the wiring unit includes two limiting frames, the two limiting frames are respectively clamped on the sides of two support rods close to the first terminal plates, and a second terminal plate is movably connected to the inside of the two chutes through a second pin.

[0008] Preferably, transmission frames are respectively fixedly connected to the opposite sides of two of the support rods, a protective box is movably connected to the opposite sides of the two transmission frames together through a second insertion rod, a protective plate is fixedly connected to one side of the protective box and the protective plate fits with the protective box.

[0009] Preferably, limiting blocks are fixedly connected to both sides of each of the second terminal plates, and the limiting blocks are slidably connected inside the limiting frame. A plurality of rubber cylinders are fixedly communicated with the inner wall of one side of the protection box. The current transformers of the present invention are electrically connected to the multi-functional measurement and monitoring instrument. By providing the rubber cylinders, the connection ends of the circuit wires can be protected, preventing the circuit wires from being pulled when the multi-functional measurement and monitoring instrument moves, which affects the normal use of the multi-functional measurement and monitoring instrument. At the same time, by providing the limiting frame, the first terminal plate can slide through the second terminal plate to move and connect the terminal plates, thereby enabling the current transformer to be more easily installed in different positions or adapted to installation spaces of different sizes, which is beneficial to improving the applicability and flexibility of the multi-functional measurement and monitoring instrument.

[0010] Preferably, the regulation unit includes a plurality of limiting grooves. Each of the limiting grooves is opened on one side of the support rod. Two rollers are slidably connected inside each of the limiting grooves. One side of each of the two rollers is movably connected to a fixing plate through a bearing.

[0011] Preferably, one side of each of the fixing plates is movably connected to a first telescopic rod through a third insertion rod. The output ends of a plurality of the first telescopic rods are jointly movably connected to a regulation frame through a fourth insertion rod. In the present invention, by the rollers moving in the limiting grooves, the orientation of the output end of the first telescopic rod can be adjusted, thereby adjusting the position of the multi-functional measurement and monitoring instrument, so that staff of different heights can observe the data, which is beneficial to improving the applicability of the device.

[0012] Preferably, the multi-functional measurement and monitoring instrument body is fixedly connected inside the regulation frame.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. In the present invention, the current transformer and the multi-functional measurement and monitoring instrument are assembled through the limiting plate and the regulation frame to achieve an integrated design, making the instrument more compact, facilitating installation and maintenance, and reducing the space occupation effect. At the same time, the circuit wires can be protected by the rubber cylinders, preventing the circuit wires from being disconnected from the current transformer under the action of pulling when the multi-functional measurement and monitoring instrument is adjusted. And the position of the multi-functional measurement and monitoring instrument can be adjusted by the first telescopic rod, facilitating staff of different heights to observe the data, which is beneficial to improving the practicality and stability of the device.

[0015] 2. The circuit connection between the multifunctional measurement and monitoring instruments of the current transformer of the present invention. By setting a rubber cylinder, the connection end of the circuit line can be protected to avoid the circuit line being pulled when the multifunctional measurement and monitoring instrument moves, which affects the normal use of the multifunctional measurement and monitoring instrument. At the same time, by setting a limit frame, the first terminal board slides through the second terminal board to realize the movement and connection of the terminal board, so that the current transformer can be more easily installed in different positions or adapted to installation spaces of different sizes, which is beneficial to improving the applicability and flexibility of the multifunctional measurement and monitoring instrument.

[0016] 3. By the roller moving in the limit groove, the orientation of the output end of the first telescopic rod can be adjusted, and then the position of the multifunctional measurement and monitoring instrument can be adjusted so that staff of different heights can observe the data, which is beneficial to improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic diagram of the present invention;

[0018] Figure 2 is a three-dimensional structural schematic diagram of the present invention to show the three-dimensional structure of the wiring unit;

[0019] Figure 3 is of the present invention Figure 2 the enlarged structural schematic diagram of part A in;

[0020] Figure 4 is a three-dimensional partial structural schematic diagram of the combined mechanism of the present invention;

[0021] Figure 5 is a three-dimensional partial exploded structural schematic diagram of the combined mechanism of the present invention;

[0022] Figure 6 is a three-dimensional partial enlarged structural schematic diagram of the wiring unit of the present invention;

[0023] Figure 7 is a three-dimensional enlarged structural schematic diagram of the current transformer body of the present invention;

[0024] Description of reference numerals in the figure: 1. mounting bracket; 2. mounting plate; 3. combination mechanism; 301. connecting plate; 302. support plate; 303. adjusting plate; 304. support base; 305. support rod; 306. limiting plate; 307. first spring; 308. current transformer body; 308a. port; 308b. first terminal board; 308b-1. sliding groove; 4. wiring unit; 401. limiting frame; 402. second terminal board; 402a. limiting block; 403. driving frame; 404. protective box; 404a. rubber cylinder; 405. protective plate; 5. regulation unit; 501. limiting groove; 502. roller; 503. fixing plate; 504. first telescopic rod; 505. regulation frame; 506. multi-functional measurement and monitoring instrument body. Detailed implementation mode

[0025] As Figures 1 to 7As shown in the figure, a multifunctional measurement and monitoring instrument for current transformers according to the present invention includes a mounting frame 1. The top of the mounting frame 1 is fixedly connected to a mounting plate 2 by a first bolt. A combination mechanism 3 is arranged on the top of the mounting plate 2. The combination mechanism 3 includes a connecting plate 301, a wiring unit 4 and a regulation unit 5. The combination mechanism 3 is fixedly connected to the wiring unit 4, and the combination mechanism 3 is movably connected to the regulation unit 5. The connecting plate 301 is fixedly connected to the mounting plate 2 by a second bolt. A plurality of support plates 302 are fixedly connected to the top of the connecting plate 301 by a third bolt and the support plates 302 are distributed in a square array. A plurality of adjusting plates 303 are fixedly connected to the tops of the plurality of support plates 302 by a fourth bolt and the adjusting plates 303 are fixedly connected to the connecting plate 301 by a fifth bolt. A support base 304 is slidably connected to the inside of each support plate 302 by a first pin. A support rod 305 is fixedly connected to the top of each support base 304. Two limiting plates 306 are movably connected to the opposite sides of each support base 304 and the support rod 305 by a first plug rod. A first spring 307 is fixedly connected to one side of each of the two limiting plates 306 symmetrically and the first spring 307 is fixedly connected to the support rod 305. A current transformer body 308 is fixedly connected to the tops of the plurality of support bases 304 together and the limiting plates 306 are in movable contact with the current transformer body 308. In the present invention, the current transformer and the multifunctional measurement and monitoring instrument are assembled by the limiting plates 306 and the regulation frame 505 to achieve an integrated design, making the instrument more compact, facilitating installation and maintenance, and reducing the effect of space occupation. At the same time, the circuit wires can be protected by the rubber cylinder 404a to prevent the circuit wires from being disconnected from the current transformer under the action of pulling when adjusting the multifunctional measurement and monitoring instrument. And the position of the multifunctional measurement and monitoring instrument can be adjusted by the first telescopic rod 504, facilitating staff of different heights to observe data, which is beneficial to improving the practicability and stability of the device. When assembling the multifunctional measurement and monitoring instrument for current transformers, while fixing the support plates 302 by the third bolt, the direction of the support plates 302 is adjusted according to the size of the current transformer body 308, and the support plates 302 are fixed through the adjusting plates 303 by the fourth bolt. Then, according to the size of the current transformer body 308, the sliding distance of the support base 304 in the support plate 302 is adjusted and fixed by the first pin. Then, the current transformer body 308 is placed on the top of the support base 304. At the same time, a force is applied to the limiting plates 306 by the first spring 307, so that the limiting plates 306 are attached to the periphery of the current transformer body 308 to limit and buffer the current transformer body 308. Subsequently, the multifunctional measurement and monitoring instrument body 506 is placed inside the regulation frame 505, and the current transformer body 308 and the multifunctional measurement and monitoring instrument body 506 are connected by a connecting wire.

[0026] In an embodiment of the present invention, a plurality of ports 308a are provided on one side of the current transformer body 308, and the ports 308a are distributed in a square array. On the other side of the current transformer body 308, a plurality of first terminal plates 308b are fixedly connected, and the first terminal plates 308b are distributed in a linear array. A chute 308b-1 is provided on one side of two of the first terminal plates 308b. It should be noted that the current transformer body 308 is a conventional device in the prior art. The current transformer can convert high current into a standard low current for the use of measuring and protection devices. Its main functions include current conversion, isolation protection, measurement and monitoring, etc.

[0027] In an embodiment of the present invention, the wiring unit 4 includes two limiting frames 401. The two limiting frames 401 are respectively clamped on one side of two support rods 305 close to the first terminal plate 308b. A second terminal plate 402 is movably connected inside the two chutes 308b-1 through a second pin.

[0028] As another embodiment of the present invention, transmission frames 403 are respectively fixedly connected to opposite sides of two of the support rods 305. A protective box 404 is movably connected to opposite sides of the two transmission frames 403 through a second insertion rod. A protective plate 405 is fixedly connected to one side of the protective box 404, and the protective plate 405 fits with the protective box 404. The circuit between the current transformer multifunctional measurement and monitoring instruments of the present invention is connected. By providing a rubber cylinder 404a, the connection end of the circuit line can be protected to prevent the circuit line from being pulled when the multifunctional measurement and monitoring instrument moves, affecting the normal use of the multifunctional measurement and monitoring instrument. At the same time, by providing the limiting frame 401, the first terminal plate 308b slides through the second terminal plate 402 to realize the movement and connection of the terminal plate, so that the current transformer can be more easily installed in different positions or adapted to installation spaces of different sizes, which is beneficial to improving the applicability and flexibility of the multifunctional measurement and monitoring instrument.

[0029] As another embodiment of the present invention, limiting blocks 402a are respectively fixedly connected to both sides of each second terminal plate 402, and the limiting blocks 402a are slidably connected inside the limiting frame 401. A plurality of rubber cylinders 404a are fixedly communicated with the inner wall of one side of the protective box 404. By providing the rubber cylinders 404a in the present invention, the connection line between the current transformer and the multifunctional measurement and monitoring instrument can be protected to prevent the connection line from being disconnected from the current transformer due to the pulling force during the movement of the multifunctional measurement and monitor, affecting the normal use of the multifunctional measurement and monitoring instrument. The connection line passes through the rubber cylinder 404a and is connected to the port 308a. The second terminal plate 402 moves inside the limiting frame 401 through the limiting block 402a to adjust and connect the terminal plate, so that the current transformer can be more easily installed in different positions or adapted to installation spaces of different sizes.

[0030] As another embodiment of the present invention, the regulation unit 5 includes a plurality of limit grooves 501. Each limit groove 501 is opened on one side of the support rod 305. Two rollers 502 are slidably connected inside each limit groove 501. One side of the two rollers 502 is movably connected to a fixing plate 503 through a bearing. One side of each fixing plate 503 is movably connected to a first telescopic rod 504 through a third insertion rod. The output ends of a plurality of first telescopic rods 504 are jointly movably connected to a regulation frame 505 through a fourth insertion rod. In the present invention, by the movement of the rollers 502 in the limit grooves 501, the orientation of the output end of the first telescopic rod 504 can be adjusted, thereby adjusting the position of the multi-functional measurement and monitoring instrument, so that staff of different heights can observe the data, which is beneficial to improving the applicability of the device.

[0031] As another embodiment of the present invention, a multi-functional measurement and monitoring instrument body 506 is fixedly connected inside the regulation frame 505. It should be noted that the multi-functional measurement and monitoring instrument body 506 is a conventional device in the prior art. Among them, the multi-functional measurement and monitoring instrument usually integrates a variety of measurement and monitoring functions for the real-time monitoring and management of the power system. The basic function roles include full electrical parameter measurement, power quality monitoring, communication and remote monitoring, etc., to meet the requirements of modern power systems for accurate measurement, real-time monitoring and intelligent management. During use, when staff need to observe the data of the multi-functional measurement and monitoring instrument body 506, they can move the rollers 502 inside the limit grooves 501 and adjust the position of the regulation frame 505 through the telescopic function of the first telescopic rod 504, so that staff of different heights can observe.

[0032] Working principle: This embodiment provides a multifunctional measurement and monitoring instrument for current transformers. When assembling the multifunctional measurement and monitoring instrument for current transformers, while fixing the support plate 302 with the third bolt, adjust the direction of the support plate 302 according to the size of the current transformer body 308, and fix the support plate 302 through the adjusting plate 303 with the fourth bolt. Then, according to the size of the current transformer body 308, adjust the sliding distance of the support base 304 on the support plate 302, and fix it with the first pin. Then, place the current transformer body 308 on the top of the support base 304. At the same time, apply a force to the limiting plate 306 through the first spring 307, so that the limiting plate 306 fits around the current transformer body 308 to limit and buffer the current transformer body 308. Subsequently, place the multifunctional measurement and monitoring instrument body 506 inside the regulation frame 505, and connect the current transformer body 308 and the multifunctional measurement and monitoring instrument body 506 through a connecting wire. The connecting wire passes through the rubber cylinder 404a and is connected to the port 308a. Moreover, the second terminal plate 402 moves inside the limiting frame 401 through the limiting block 402a, and the regulating terminal plate is the main one and is connected to achieve easier installation of the current transformer in different positions or adaptation to installation spaces of different sizes. During use, when the staff needs to observe the data of the multifunctional measurement and monitoring instrument body 506, they can move the roller 502 inside the limiting groove 501 and adjust the position of the regulation frame 505 through the telescopic function of the first telescopic rod 504 for staff of different heights to observe.

[0033] The embodiments disclosed in this invention are preferred embodiments, but not limited to this. Those of ordinary skill in the art can easily understand the spirit of this invention based on the above embodiments and make different extensions and changes. However, as long as they do not depart from the spirit of this invention, they are within the protection scope of this invention.

Claims

1. A multifunctional measuring and monitoring instrument for current transformer, characterized in that: It comprises a mounting frame (1), the top of which is fixedly connected to a mounting plate (2) via a first bolt, and the top of the mounting plate (2) is provided with a combination mechanism (3); The combined mechanism (3) comprises a connecting plate (301), a wiring unit (4) and a regulating unit (5); the combined mechanism (3) and the wiring unit (4) are fixedly connected, and the combined mechanism (3) and the regulating unit (5) are movably connected; The connecting plate (301) is fixedly connected to the mounting plate (2) by a second bolt, a plurality of supporting plates (302) are fixedly connected to the top of the connecting plate (301) by a third bolt, and the supporting plates (302) are distributed in a square array, a plurality of adjusting plates (303) are fixedly connected to the top of the supporting plates (302) by a fourth bolt, and the adjusting plates (303) and the connecting plate (301) are fixedly connected by a fifth bolt, and a supporting base (304) is slidably connected to the inside of each supporting plate (302) by a first latch, and each supporting base (304) is fixedly connected to the mounting plate (2) by a second bolt, and each supporting base (304) is fixedly connected to the mounting plate (2) by a third bolt, and each supporting base (304) is fixedly connected to the mounting plate (2) by a fourth bolt, and each supporting base (304) is fixedly connected to the mounting plate (2) by a fifth ... fifth bolt, and each supporting base (304) is fixedly connected to the mounting plate (2) by a third bolt, and each supporting base (304) is fixedly connected to the mounting plate (2) by a third bolt, and each supporting base (304) is fixedly connected to the mounting plate (2) by a third bolt 04) is fixedly connected to the top with a support rod (305), and each of the support bases (304) is movably connected to two limit plates (306) on the side opposite to the support rod (305) through a first plug rod, and one side of the two limit plates (306) is symmetrically fixedly connected to a first spring (307) and the first spring (307) is fixedly connected to the support rod (305), and the top of several support bases (304) is commonly fixedly connected to a current transformer body (308), and the limit plates (306) are in movably contact with the current transformer body (308).

2. A current transformer multifunctional measuring and monitoring instrument according to claim 1, characterized in that: A plurality of ports (308a) are provided on one side of the current transformer body (308), and the ports (308a) are distributed in a square array; a plurality of first terminal boards (308b) are fixedly connected to the other side of the current transformer body (308), and the first terminal boards (308b) are distributed in a linear array, wherein two of the first terminal boards (308b) are provided with sliding grooves (308b-1) on one side.

3. A current transformer multifunctional measuring and monitoring instrument according to claim 1, characterized in that: The wiring unit (4) comprises two limit frames (401), the two limit frames (401) are respectively clamped on one side of two support rods (305) close to the first terminal board (308b), and the inside of the two slide grooves (308b-1) is movably connected to the second terminal board (402) via a second latch.

4. A current transformer multifunctional measuring and monitoring instrument according to claim 3, characterized in that: The two support rods (305) are respectively fixedly connected to a transmission frame (403) on one side opposite to the other, and the two transmission frames (403) are movably connected to a protection box (404) on one side opposite to the other through a second plug rod, and a protection plate (405) is fixedly connected to one side of the protection box (404), and the protection plate (405) fits with the protection box (404).

5. A current transformer multifunctional measuring and monitoring instrument according to claim 4, characterized in that: Each of the second terminal plates (402) is fixedly connected to limiting blocks (402a) on both sides, and the limiting blocks (402a) are slidably connected to the inside of the limiting frame (401), and a plurality of rubber tubes (404a) are fixedly connected to the inner wall of one side of the protection box (404).

6. The multifunctional measuring and monitoring instrument for current transformer according to claim 1, characterized in that: The regulating unit (5) comprises a plurality of limiting grooves (501), each of the limiting grooves (501) being arranged on one side of the support rod (305), two rollers (502) being slidably connected inside each of the limiting grooves (501), and a fixing plate (503) being movably connected to one side of the two rollers (502) via a bearing.

7. A current transformer multifunctional measuring and monitoring instrument according to claim 6, characterized in that: One side of each of the fixed plates (503) is movably connected to a first telescopic rod (504) via a third plug rod, and output ends of a plurality of the first telescopic rods (504) are movably connected to a regulating frame (505) via a fourth plug rod.

8. A current transformer multifunctional measuring and monitoring instrument according to claim 7, characterized in that: A multifunctional measuring and monitoring instrument body (506) is fixedly connected inside the regulating frame (505).