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CN-224231850-U - High-precision current sensor

CN224231850UCN 224231850 UCN224231850 UCN 224231850UCN-224231850-U

Abstract

The utility model relates to the technical field of current sensor devices and discloses a high-precision current sensor which comprises a first shell, a connecting terminal and a mounting plate, wherein the first shell is externally connected with a second shell in a rotating mode, a fixing assembly is arranged outside the second shell, a connecting assembly is arranged at the bottom of the second shell, the fixing assembly comprises a clamping block, the clamping block is fixedly connected to the outer part of the connecting terminal, a clamping groove is formed in the middle of the second shell, the clamping groove is clamped with the clamping block, and a first spring is fixedly connected inside the clamping groove. According to the utility model, the external clamping block at the connecting wire end is clamped with the clamping groove of the second shell, the first spring pushes the connecting plate to press the clamping block to form elastic locking, the clamping block is aligned with the clamping groove to be inserted, the spring elastic force is automatically fixed, and the connecting plate is pressed to compress the spring when the connecting plate is disassembled, so that the clamping connection can be released, and the replacement and installation efficiency of the connecting wire end can be improved.

Inventors

  • JIN MIAOFENG
  • XU LINJIE
  • Gu Wangqiang

Assignees

  • 浙江中锂电科技有限公司

Dates

Publication Date
20260512
Application Date
20250605

Claims (8)

  1. 1. The high-precision current sensor comprises a first shell (1), a connecting wire end (4) and a mounting plate (5), and is characterized in that a second shell (2) is rotatably connected to the outer part of the first shell (1), a fixing component is arranged on the outer part of the second shell (2), and a connecting component is arranged at the bottom of the second shell (2); the fixing assembly comprises a clamping block (12), the clamping block (12) is fixedly connected to the outside of the connecting terminal (4), a clamping groove (9) is formed in the middle of the second shell (2), the clamping groove (9) is clamped with the clamping block (12), a first spring (10) is fixedly connected to the inside of the clamping groove (9), and a connecting plate (11) is fixedly connected to the outside of the first spring (10).
  2. 2. The high-precision current sensor according to claim 1, wherein the connecting component comprises a shell (3), the shell (3) is fixedly connected to the outer portion of the second shell (2), a round clamping column (13) is slidably connected to the inner portion of the shell (3), a hole groove (16) is formed in the middle of the mounting plate (5), and the hole groove (16) is clamped with the round clamping column (13).
  3. 3. A high-precision current sensor according to claim 1, wherein the connecting plate (11) is slidably connected to the inside of the clamping groove (9), and the connecting plate (11) is in contact with the clamping block (12).
  4. 4. The high-precision current sensor according to claim 2, wherein the outer part of the round clamping column (13) is sleeved with a second spring (14), and the middle part of the round clamping column (13) is provided with a pull ring (15).
  5. 5. The high-precision current sensor according to claim 1, wherein a fixing plate (7) is fixedly connected to the outer parts of the first shell (1) and the second shell (2), and a bolt (6) is connected to the middle of the fixing plate (7) in a threaded mode.
  6. 6. The high-precision current sensor according to claim 5, wherein the middle part of the fixed plate (7) is provided with a hollow groove (8), and the bolt (6) is in threaded connection with the inside of the hollow groove (8).
  7. 7. A high-precision current sensor according to claim 1, wherein a through hole (17) is formed in the middle of the first housing (1).
  8. 8. A high-precision current sensor according to claim 1, characterized in that the connection wire end (4) is slidingly connected to the outside of the second housing (2).

Description

High-precision current sensor Technical Field The utility model relates to the technical field of current sensor devices, in particular to a high-precision current sensor. Background The sensor is a detecting device, which can sense the information to be measured and convert the sensed information into electric signals or other information output in the required form according to a certain rule so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like. The installation at the connecting wire end adopts modes such as welded type or screw to fix on the mounting panel more, and the connecting wire end need use instrument such as flatiron to demolish solder joint and screw when changing, and operation step is loaded down with trivial details, and high temperature welding easily damages sensor internal circuit, leads to contacting failure easily, influences signal transmission precision, is difficult to satisfy the demand of quick installation and nimble maintenance under the complicated operating mode, proposes a high accuracy current sensor for this and solves above-mentioned problem. Disclosure of utility model In order to make up for the defects, the utility model provides a high-precision current sensor, and aims to solve the problems that in the prior art, the replacement operation of a connecting wire end is complex, and the disassembly and assembly are inconvenient under complex working conditions. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The high-precision current sensor comprises a first shell, a connecting terminal and a mounting plate, wherein the outer part of the first shell is rotationally connected with a second shell, a fixing component is arranged on the outer part of the second shell, and a connecting component is arranged at the bottom of the second shell; The fixing assembly comprises a clamping block, the clamping block is fixedly connected to the outer part of the connecting terminal, a clamping groove is formed in the middle of the second shell, the clamping groove is clamped with the clamping block, a first spring is fixedly connected to the inner part of the clamping groove, and a connecting plate is fixedly connected to the outer part of the first spring; As a further description of the above technical solution: The connecting component comprises a shell, the shell is fixedly connected to the outer part of the second shell, a round clamping column is slidably connected to the inner part of the shell, a hole groove is formed in the middle of the mounting plate, and the hole groove is clamped with the round clamping column; As a further description of the above technical solution: The connecting plate is connected inside the clamping groove in a sliding manner, and is contacted with the clamping block; As a further description of the above technical solution: the outer part of the round clamping column is sleeved with a second spring, and the middle part of the round clamping column is provided with a pull ring; As a further description of the above technical solution: The first shell and the second shell are fixedly connected with a fixing plate, and the middle part of the fixing plate is in threaded connection with a bolt; As a further description of the above technical solution: The middle part of the fixed plate is provided with a hollow groove, and the bolt is in threaded connection with the inside of the hollow groove; As a further description of the above technical solution: a through hole is formed in the middle of the first shell; As a further description of the above technical solution: the connecting wire end is connected to the outer part of the second shell in a sliding mode. The utility model has the following beneficial effects: 1. According to the utility model, the external clamping block at the connecting wire end is clamped with the clamping groove of the second shell, the first spring pushes the connecting plate to press the clamping block to form elastic locking, the clamping block is aligned with the clamping groove to be inserted, the spring elastic force is automatically fixed, and the connecting plate is pressed to compress the spring when the connecting plate is disassembled, so that the clamping connection can be released, and the replacement and installation efficiency of the connecting wire end can be improved. 2. According to the utility model, the round clamping column is inserted into the hole groove of the mounting plate under the action of the second spring, and can be pulled manually to be separated from the hole groove through the pull ring, so that the rapid assembly and disassembly of the sensor and the mounting plate are realized, and the applicability of the device is improved. Drawings Fig. 1 is a schematic perspective view of a high-precision current sensor according to the present utility model; FIG. 2 is a schematic dia