CN219552519U

CN219552519U - Metal foil sticking device for measuring contact current

Info

Publication number: CN219552519U
Application number: CN202321758757.8U
Authority: CN
Inventors: 赵峰盾; 李世锋; 宋翌华; 张丽超; 郭小庆; 余锐
Original assignee: Suzhou Epin Quality Technology Services Co ltd
Current assignee: Suzhou Epin Quality Technology Services Co ltd
Priority date: 2023-07-06
Filing date: 2023-07-06
Publication date: 2023-08-18
Anticipated expiration: 2033-07-06

Abstract

The utility model relates to the field of devices for measuring electric variables, in particular to a contact current measuring metal foil sticking device which comprises a guide rail, wherein a base is arranged in the guide rail, a detection assembly is arranged on the base, one end of the guide rail is provided with a driving assembly for driving the base to move along the guide rail, and the other end of the guide rail is provided with a stop block. The base includes telescopic link and mounting bracket, the mounting bracket sets up the top of telescopic link, the bottom of telescopic link with the guide rail is connected. The detection assembly comprises a pressure transmission piece, a pressure sensor and a sensing tool, wherein the sensing tool is arranged in the mounting frame, the pressure transmission piece is arranged in the sensing tool, and the pressure sensor is arranged on the side wall of the sensing tool. The utility model has the effect of conveniently applying pressure to the side wall of the equipment.

Description

Metal foil sticking device for measuring contact current

Technical Field

The utility model relates to the field of devices for measuring electric variables, in particular to a metal foil sticking device for measuring contact current.

Background

The medical electrical device needs to make a measurement of the contact current to detect if the device has electrical leakage. A metal foil is usually connected with a measuring pen, then the metal foil is attached to an insulating surface of the device, a certain pressure is applied to enable the metal foil to be tightly attached to the surface of the device, and then the contact current is measured.

In practical measurement, it is easier to apply pressure to the top surface of the device, but it is inconvenient to apply pressure to the side wall of the device, and it is necessary to control the device to keep stable and apply pressure to the device stably.

Disclosure of Invention

In order to facilitate the application of pressure to the side walls of the device, the utility model provides a contact current measuring metal foil tightening device.

The utility model provides a contact current measuring metal foil sticking device, which adopts the following technical scheme:

the metal foil sticking device for measuring the contact current comprises a guide rail, wherein a base is arranged in the guide rail, a detection assembly is arranged on the base, a driving assembly for driving the base to move along the guide rail is arranged at one end of the guide rail, and a stop block is arranged at the other end of the guide rail;

the base comprises a telescopic rod and a mounting frame, wherein the mounting frame is arranged at the top end of the telescopic rod, and the bottom end of the telescopic rod is connected with the guide rail;

the detection assembly comprises a pressure transmission piece, a pressure sensor and a sensing tool, wherein the sensing tool is arranged in the mounting frame, the pressure transmission piece is arranged in the sensing tool, and the pressure sensor is arranged on the side wall of the sensing tool.

In a specific embodiment, the driving assembly comprises a screw and a driving motor, the axis direction of the screw is parallel to the length direction of the guide rail, the base is connected with the screw, and the output shaft of the driving motor is coaxially connected with the screw.

In a specific embodiment, a display device is provided on the housing of the pressure sensor, the display device being in communication with the pressure sensor.

In a specific embodiment, the induction tool is provided with a plurality of rollers.

In a specific implementation mode, guide strips are arranged on the inner wall of the mounting frame, and clamping grooves for clamping the guide strips are formed in the side walls of each roller.

In a specific embodiment, the drive assembly is a set screw.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the driving assembly pushes the detection assembly to apply pressure to the sample, the stop block blocks the sample from moving under the pushing of the detection assembly, the stability of the sample is improved, the pressure is conveniently applied to the side wall of the sample, and the measurement of contact current is automatically carried out;

2. the telescopic rod can drive the detection assembly to lift, so that the measurement of contact current is conveniently carried out on different parts of the sample.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present utility model.

Reference numerals illustrate: 1. a guide rail; 2. a stop block; 3. a drive assembly; 31. a driving motor; 32. a screw rod; 4. a base; 41. a telescopic rod; 42. a mounting frame; 5. a detection assembly; 51. a pressure transmitting member; 52. induction molding; 53. a pressure sensor; 6. a roller; 7. a guide bar; 8. a display device.

Detailed Description

The present utility model will be described in further detail with reference to fig. 1.

Referring to fig. 1, the contact current measuring metal foil sticking device comprises a guide rail 1, a base 4 is arranged in the guide rail 1, the base 4 comprises a telescopic rod 41 and a mounting frame 42, the mounting frame 42 is fixed at the top end of the telescopic rod 41, and the bottom end of the telescopic rod 41 is connected with the guide rail 1 and can slide along the guide rail 1. One end of the guide rail 1 is provided with a driving component 3, the other end is provided with a stop block 2, and a detection component 5 is arranged in the mounting frame 42. A sample device (hereinafter referred to as a sample) is placed between the stopper 2 and the mounting frame 42, and the sample is brought into close contact with the side wall of the stopper 2. The driving assembly 3 pushes the telescopic rod 41 to move towards the stop block 2, so that the detection assembly 5 is abutted against the sample and can detect the sample.

Referring to fig. 1, the driving assembly 3 includes a screw rod 32 and a driving motor 31, the screw rod 32 is in threaded connection with a housing of the telescopic rod 41, the driving motor 31 is fixed at one end of the guide rail 1, and an output shaft of the driving motor 31 is fixedly connected with the screw rod 32 coaxially. The driving motor 31 runs and drives the lead screw 32 to rotate, and then drives the telescopic rod 41 to move along the lead screw 32, so that the detection assembly 5 is conveniently driven to be close to or far away from the sample, the stop block 2 stops the movement of the sample, the detection assembly 5 can apply pressure on the sample, and the stability of the sample is maintained. The driving motor 31 has a self-locking function, can tightly support the detection assembly 5 on the sample, and is convenient for applying pressure to the sample.

In some other embodiments, the driving assembly 3 may also be a set screw, by turning the set screw, pushing the telescopic rod 41 against the set screw, and by the self-locking function of the set screw, pushing the telescopic rod 41 against the sample.

Referring to fig. 1, the detecting assembly 5 includes a pressure transmitting member 51, a pressure sensor 53, and a sensing jig 52, the sensing jig 52 being disposed in the mounting frame 42, the pressure transmitting member 51 being disposed in the sensing jig 52, the pressure sensor 53 being disposed on a side wall of the sensing jig facing away from the pressure transmitting member 51. As the telescopic rod 41 approaches the sample, the pressure transmitting member 51 gradually presses the sample after contacting the sample, so that the reaction force received by the sensing tool 52 gradually increases, and the pressure sensor 53 measures the reaction force received by the sensing tool 52, thereby obtaining the pressure of the pressure transmitting member 51 on the sample.

Referring to fig. 1, a plurality of guide bars 7 are disposed on the inner wall of the mounting frame 42, the length direction of the guide bars 7 is parallel to the length direction of the guide rail 1, a plurality of rollers 6 are disposed at the top end and the lower end of the induction tool 52, and a clamping groove for clamping the guide bars 7 is formed in the rollers 6. The roller 6 reduces friction resistance between the sensing tool 52 and the mounting frame 42, and the pressure sensing part and the like are convenient to replace. Meanwhile, the guide strips 7 and the clamping grooves on the rollers 6 are convenient and quick to position the induction jig 52, and the installation accuracy of the induction jig 52 in the installation frame 42 is improved.

Referring to fig. 1, one end of a pressure sensor 53 passes through the mounting frame 42 and extends, a display device 8 is mounted on a housing of the pressure sensor 53, the pressure measured by the pressure sensor 53 is displayed by the display device 8, and meanwhile, a control button or the like is mounted on the display device 8, so that the driving motor 31 or the like can be conveniently operated.

The implementation principle of the embodiment of the utility model is as follows: a metal foil is attached to one surface of the pressure transmission member 51 facing the sample, the driving motor 31 drives the telescopic rod 41 to approach the sample, the telescopic rod 41 stretches up and down, and the contact position between the metal foil and the sample is adjusted. As the telescopic rod 41 approaches the sample, the pressure transmitter 51 presses the sample, the pressure transmitter 51 reacts to the pressure of the sample on the real device, and when the pressure reaches the threshold value, the drive motor 31 stops operating, and the contact current is measured.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. A contact current measuring metal foil sticking device, characterized in that: the device comprises a guide rail (1), wherein a base (4) is arranged in the guide rail (1), a detection assembly (5) is arranged on the base (4), one end of the guide rail (1) is provided with a driving assembly (3) for driving the base (4) to move along the guide rail (1), and the other end of the guide rail is provided with a stop block (2);

the base (4) comprises a telescopic rod (41) and a mounting rack (42), wherein the mounting rack (42) is arranged at the top end of the telescopic rod (41), and the bottom end of the telescopic rod (41) is connected with the guide rail (1);

the detection assembly (5) comprises a pressure transmission piece (51), a pressure sensor (53) and a sensing tool (52), wherein the sensing tool (52) is arranged in the mounting frame (42), the pressure transmission piece (51) is arranged in the sensing tool (52), and the pressure sensor (53) is arranged on the side wall of the sensing tool (52).

2. The contact current measuring metallic foil hugging device of claim 1, wherein: the driving assembly (3) comprises a screw (32) and a driving motor (31), the axial direction of the screw (32) is parallel to the length direction of the guide rail (1), the base (4) is connected with the screw (32), and the output shaft of the driving motor (31) is coaxially connected with the screw (32).

3. The contact current measuring metallic foil hugging device of claim 1, wherein: the shell of the pressure sensor (53) is provided with a display device (8), and the display device (8) is in communication connection with the pressure sensor (53).

4. The contact current measuring metallic foil hugging device of claim 1, wherein: the induction tool (52) is provided with a plurality of rollers (6).

5. The contact current measuring metallic foil hugging device of claim 4 wherein: guide strips (7) are arranged on the inner wall of the mounting frame (42), and clamping grooves for clamping the guide strips (7) are formed in the side walls of the rollers (6).

6. The contact current measuring metallic foil hugging device of claim 1, wherein: the driving assembly (3) is a setscrew.