Automatic testing mechanism for current sensor

Abstract

The utility model relates to the technical field of automatic testing of sensors, and discloses an automatic testing mechanism of a current sensor, which comprises a deck plate, a testing assembly is mounted on the deck plate, and a pressure head and a probe assembly are arranged at the top of the testing assembly. According to the utility model, the test assembly and the pressure head and probe assembly are arranged on the countertop and work together, so that parameters of the current sensor can be automatically tested, and the current sensor parameter testing device has the advantages of simple operation, high test efficiency, high precision, high automation degree, good safety, reliable result, simple mechanism, low equipment cost, convenience and rapidness, and the like. Therefore, the trouble that multiple sets of equipment such as a digital oscilloscope, a program-controlled voltage-stabilized source and a desk-type digital multimeter are needed to test each current sensor in the traditional mode is avoided, the time is effectively saved, and the labor cost is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic testing of sensors, in particular to an automatic testing mechanism for a current sensor. Background Art

[0002] A current sensor is a detection device that can sense the information of the measured current and convert the sensed information into an electrical signal or other required form of information output that meets certain standards according to certain rules to meet the requirements of information transmission, processing, storage, display, recording and control. Current sensors are also called magnetic sensors and can be used in household appliances, smart grids, electric vehicles, wind power generation, etc.

[0003] Existing current sensor testing requires multiple sets of equipment such as digital oscilloscopes, programmable voltage-regulated power supplies, and desktop digital multimeters. Each current sensor is tested by manually adjusting the current source, which is inefficient and has high time and labor costs. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an automatic testing mechanism for a current sensor, which solves the problem that the existing current sensor testing requires multiple sets of equipment such as a digital oscilloscope, a programmable voltage-stabilized power supply, and a desktop digital multimeter, and each current sensor is tested by manually adjusting the current source, which is inefficient and has high time and labor costs.

[0005] The utility model provides the following technical solutions: an automatic testing mechanism for a current sensor, comprising a table panel, a testing assembly is installed on the table panel, and a pressure head and a probe assembly are arranged on the top of the testing assembly;

[0006] The test assembly comprises a bottom mounting chamber connected to the table panel, a plurality of second cylinders are symmetrically arranged on the bottom mounting chamber, a copper bar terminal is arranged on the side of the top of the second cylinder, a base is arranged on the top of the bottom mounting chamber, a tooling seat is arranged on the base, a copper pole is arranged on the tooling seat, an end of the copper pole extends to the side of the base, a cover plate is arranged on the top of the tooling seat, and a first cylinder is arranged on the side of the base;

[0007] The pressure head and probe assembly includes a profile bottom connecting plate installed on the top of the table panel, an aluminum profile is arranged on the top of the profile bottom connecting plate, a cylinder upper connecting plate is arranged on the top of the aluminum profile, a third cylinder is vertically arranged on the side of the bottom end of the cylinder upper connecting plate, a pressure plate is arranged on the bottom end of the third cylinder, a probe fixing seat is arranged on the side of the pressure plate, and a cover is arranged on the bottom end of the probe fixing seat.

[0008] Preferred technical solution 1: A plurality of mounting holes are evenly reserved on the table top.

[0009] Preferred technical solution 2: Two supporting columns are arranged on the side of the second cylinder, and the top ends of the supporting columns are connected to the bottom end of the base.

[0010] Preferred technical solution three: A fixed reinforcement plate is provided at the connection between the aluminum profile and the connecting plate on the cylinder.

[0011] This solution can increase the connection firmness between the aluminum profile and the connecting plate on the cylinder by providing a fixed reinforcing plate.

[0012] Preferred technical solution four: A sliding sleeve is provided at the bottom end of the third cylinder, and one end of the pressure plate is inserted into the sliding sleeve.

[0013] This solution can make the connection between the pressure plate and the third cylinder more stable.

[0014] Preferred technical solution five: the pressing plate is located above the cover plate.

[0015] This solution enables the pressing plate to be more conveniently moved above the cover plate under the drive of the third cylinder.

[0016] Compared with the prior art, the utility model provides an automatic testing mechanism for a current sensor, which has the following beneficial effects:

[0017] (1) The utility model provides a test assembly and a pressure head and a probe assembly on a table panel. The test assembly, the pressure head and the probe assembly work together to automatically measure the current sensor parameters. The utility model has the advantages of simple operation, high test efficiency, high precision, high degree of automation, good safety, reliable results, simple structure, low equipment cost, convenience and speed, thereby avoiding the trouble of using multiple sets of equipment such as digital oscilloscopes, programmable voltage-regulated power supplies, desktop digital multimeters, etc. in the traditional way to test each current sensor, effectively saving time and greatly reducing labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 For the utility model Figure 1 Schematic diagram of the structure of the test component;

[0020] Figure 3 For the utility model Figure 1 Schematic diagram of the structure of the medium pressure head and probe assembly;

[0021] Figure 4 For the utility model Figure 1Enlarged view of the structure of the middle platform panel.

[0022] In the figure:

[0023] 1. Table panel; 2. Test assembly; 3. Indenter and probe assembly;

[0024] 201, bottom installation compartment; 202, second cylinder; 203, copper busbar terminal; 204, base; 205, tooling seat; 206, copper pole; 207, cover plate; 208, first cylinder;

[0025] 301, profile bottom connecting plate; 302, aluminum profile; 303, cylinder upper connecting plate; 304, third cylinder; 305, pressing plate; 306, probe fixing seat; 307, cover shell. DETAILED DESCRIPTION

[0026] See also Figure 1-4 A current sensor automatic testing mechanism includes a table panel 1, a testing assembly 2 is installed on the table panel 1, and a pressure head and a probe assembly 3 are arranged on the top of the testing assembly 2.

[0027] The test assembly 2 includes a bottom mounting chamber 201 connected to the table panel 1, a plurality of second cylinders 202 are symmetrically arranged on the bottom mounting chamber 201, a copper bus terminal 203 is arranged on the side of the top of the second cylinder 202, a base 204 is arranged on the top of the bottom mounting chamber 201, a tooling seat 205 is arranged on the base 204, a copper pole 206 is arranged on the tooling seat 205, and the end of the copper pole 206 extends to the side of the base 204, a cover plate 207 is arranged on the top of the tooling seat 205, and a first cylinder 208 is arranged on the side of the base 204.

[0028] The pressure head and probe assembly 3 includes a profile bottom connecting plate 301 installed on the top of the table panel 1, an aluminum profile 302 is arranged on the top of the profile bottom connecting plate 301, a cylinder upper connecting plate 303 is arranged on the top of the aluminum profile 302, a third cylinder 304 is vertically arranged on the side of the bottom end of the cylinder upper connecting plate 303, a pressure plate 305 is arranged on the bottom end of the third cylinder 304, a probe fixing seat 306 is arranged on the side of the pressure plate 305, and a cover shell 307 is arranged on the bottom end of the probe fixing seat 306.

[0029] A plurality of mounting holes are evenly reserved on the table top 1 .

[0030] Two supporting columns are arranged on the side of the second cylinder 202 , and the top ends of the supporting columns are connected to the bottom ends of the base 204 .

[0031] Embodiment 2: The difference between this embodiment and embodiment 1 is that a fixed reinforcing plate is provided at the connection between the aluminum profile 302 and the cylinder upper connecting plate 303 .

[0032] The fixed reinforcing plate is provided to increase the connection firmness between the aluminum profile 302 and the cylinder upper connecting plate 303 .

[0033] Embodiment 3: The difference between this embodiment and embodiment 1 is that a sliding sleeve is provided at the bottom end of the third cylinder 304, and one end of the pressing plate 305 is inserted into the sliding sleeve.

[0034] This makes the connection between the pressing plate 305 and the third cylinder 304 more stable.

[0035] Embodiment 4: The difference between this embodiment and embodiment 1 is that, the pressing plate 305 is located above the cover plate 207 .

[0036] The pressing plate 305 can be more conveniently moved above the cover plate 207 under the drive of the third cylinder 304 .

[0037] In this embodiment, since the existing current sensor test requires multiple sets of equipment such as a digital oscilloscope, a programmable voltage-stabilized power supply, and a desktop digital multimeter, each current sensor is tested by manually adjusting the current source, which is inefficient and has high time and labor costs.

[0038] In summary, in a specific implementation, a test assembly 2 and a pressure head and probe assembly 3 are arranged on the table panel 1, and the pressure head and probe assembly 3 includes a profile bottom connecting plate 301, an aluminum profile 302, a cylinder upper connecting plate 303, a third cylinder 304, a pressure plate 305, a probe fixing seat 306 and a cover 307 arranged on the table panel 1, and the test assembly 2 includes a bottom mounting bin 201, a second cylinder 202, a copper bus terminal 203, a base 204, a tooling seat 205, a copper pole 206, a cover plate 207 and a first cylinder 208.

[0039] During the specific work, first assemble the above components, and then manually place the current sensor on the tooling seat 205 of the test component 2, and detect the presence or absence of the proximity sensor and optical fiber. After the signals are detected, manually press the start button, the first cylinder 208 drives the copper pole 206 to move and insert it into the current sensor, and the third cylinder 304 drives the pressure plate 305 to press the current sensor downward, and the probe in the cover 307 is inserted into the current sensor, and multiple second cylinders 202 move upward to connect to the copper pole 206, and the copper bus terminal 203 is connected to the external power supply to start collecting sensor data.

Claims

1. A current sensor automatic testing mechanism, comprising a table panel (1), characterized in that: A test assembly (2) is installed on the table panel (1), and a pressure head and a probe assembly (3) is arranged on the top of the test assembly (2); The test assembly (2) comprises a bottom mounting chamber (201) connected to the table panel (1); a plurality of second cylinders (202) are symmetrically arranged on the bottom mounting chamber (201); a copper busbar terminal (203) is arranged on the side of the top of the second cylinder (202); a base (204) is arranged on the top of the bottom mounting chamber (201); a tooling seat (205) is arranged on the base (204); a copper pole (206) is arranged on the tooling seat (205); an end of the copper pole (206) extends to the side of the base (204); a cover plate (207) is arranged on the top of the tooling seat (205); and a first cylinder (208) is arranged on the side of the base (204); The pressure head and probe assembly (3) comprises a profile bottom connecting plate (301) mounted on the top of the table panel (1); an aluminum profile (302) is arranged at the top of the profile bottom connecting plate (301); a cylinder upper connecting plate (303) is arranged at the top of the aluminum profile (302); a third cylinder (304) is vertically arranged on the side of the bottom end of the cylinder upper connecting plate (303); a pressing plate (305) is arranged at the bottom end of the third cylinder (304); a probe fixing seat (306) is arranged on the side of the pressing plate (305); and a cover (307) is arranged at the bottom end of the probe fixing seat (306).

2. The automatic testing mechanism for a current sensor according to claim 1, characterized in that: A plurality of mounting holes are evenly reserved on the table top (1).

3. The automatic testing mechanism for a current sensor according to claim 2, characterized in that: Two supporting columns are arranged on the side of the second cylinder (202), and the top ends of the supporting columns are connected to the bottom end of the base (204).

4. The automatic testing mechanism for a current sensor according to claim 3, characterized in that: A fixed reinforcing plate is provided at the connection between the aluminum profile (302) and the cylinder upper connecting plate (303).

5. The automatic testing mechanism for current sensor according to claim 4, characterized in that: A sliding sleeve is provided at the bottom end of the third cylinder (304), and one end of the pressing plate (305) is inserted into the sliding sleeve.

6. The automatic testing mechanism for current sensor according to claim 5, characterized in that: The pressing plate (305) is located above the cover plate (207).

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