CN212781016U

CN212781016U - Electrostatic test protector

Info

Publication number: CN212781016U
Application number: CN202021066113.9U
Authority: CN
Inventors: 温永辉
Original assignee: Shenzhen Most Technology Service Co ltd
Current assignee: Shenzhen Most Technology Service Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-03-23
Anticipated expiration: 2030-06-11

Abstract

The utility model discloses an electrostatic test protection device, which comprises a base, an isolation cover, a horizontal coupling plate, a vertical coupling plate and an electrostatic generator; the isolation cover is made of transparent antistatic organic glass; the base is made of insulating materials, a working area is arranged in the middle of the base, and the isolation cover covers the upper part of the working area; the horizontal coupling plate is horizontally arranged in the middle of the working area, and an electrostatic generator is arranged on the side surface of the horizontal coupling plate; perpendicular coupling plate detachable sets up perpendicularly in horizontal coupling plate upper portion, and the device need not the handheld electrostatic generator of tester and operates, forces testing arrangement and tester to keep apart through the cage, and the unable circular telegram of electrostatic generator has avoided the tester to electrocute harm after the cage is opened.

Description

Electrostatic test protector

Technical Field

The utility model relates to an electric product detects technical field, concretely relates to static test protector.

Background

With the development of electrical and electronic technology, the electromagnetic environment is increasingly complex and worsened, so that the problem of electromagnetic compatibility (EMC) of electrical and electronic products is also increasingly emphasized by governments and manufacturing enterprises in various countries. Electromagnetic compatibility (EMC) of electronic and electric products is a very important quality index, which not only relates to the working reliability and the use safety of the products, but also may affect the normal operation of other equipment and systems, and relates to the protection problem of the electromagnetic environment. In order to standardize the electromagnetic compatibility of electronic products, each major country and region imposes EMC test certification requirements on electronic products, such as CE certification in the european union, FCC certification in the united states, and 3C certification in china. The current standard in China is electromagnetic compatibility test and measurement technology electrostatic discharge immunity test (GB/T17626.2-2018) published in 6 months in 2018, and the standard IEC61000-4-2:2008 published by the International electrotechnical Commission of the national Standard.

EMC tests (electromagnetic compatibility tests) include both EMI tests (interference level in electromagnetic field) and EMS tests (interference rejection). The ESD test (electrostatic discharge) is a conventional test item of EMS test for evaluating the performance of electrical and electronic devices when they are subjected to electrostatic discharge.

In the ESD test, four scenes of human body discharge, machine discharge, element charge and electric field induction are simulated, and a contact discharge test and an air discharge test are carried out on a product. The testing process is dangerous, for example, when simulating the discharge test of a machine, the electrostatic discharge generator can release several amperes of instantaneous discharge current within a few nanoseconds to tens of nanoseconds, and if the tester is hit without protection, discomfort or even injury can occur.

Therefore, it is desirable to provide safeguards for the tester.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides an electrostatic test protector, the device need not the handheld electrostatic generator of tester and operates, forces testing arrangement and tester to keep apart through the cage, and the unable circular telegram of electrostatic generator has avoided the tester to electrocute harm after the cage is opened.

An electrostatic test protection device comprises a base, an isolation cover, a horizontal coupling plate, a vertical coupling plate and an electrostatic generator;

the isolation cover is made of transparent antistatic organic glass;

the base is made of insulating materials, a working area is arranged in the middle of the base, and the isolation cover covers the upper part of the working area;

the horizontal coupling plate is horizontally arranged in the middle of the working area, and an electrostatic generator is arranged on the side surface of the horizontal coupling plate;

the vertical coupling plate is detachably and vertically arranged on the upper part of the horizontal coupling plate.

Preferably, the working area is a planar area recessed into the upper surface of the base, and the shield is inserted into the base along the peripheral side wall of the working area.

Preferably, the corners of the working area are provided with power-off protection switches, the power-off protection switches are positioned right below the bottom edge of the isolation cover, and the power supply of the electrostatic generator is cut off when the power-off protection switches are not pressed by the gravity of the isolation cover.

Preferably, a guide rail is arranged on the lateral side of the horizontal coupling plate, and the electrostatic generator is slidably mounted on the guide rail.

Preferably, the electrostatic generator comprises a sliding block, a supporting rod and a discharge electrode, so that the electrostatic generator can be adjusted in the directions of an X axis, a Y axis and a Z axis;

the discharge electrode is positioned at the top of the support rod, and the slide block is positioned at the bottom of the support rod;

the slide block is slidably mounted on the guide rail.

Preferably, the sliding block is provided with an elastic positioning block, and the elastic positioning block is used for fixing the sliding block on the guide rail and limiting the sliding of the sliding block;

the rear part of the elastic positioning block is hinged with the body of the sliding block;

the lateral section of the elastic locating block is in a spindle shape, and the lower part of the elastic locating block can be pressed into the guide rail.

Preferably, the support rod comprises a main rod, an auxiliary rod and an adjusting collar, and the auxiliary rod is adjusted to be raised and lowered by rotating the adjusting collar;

the inner part of the main rod is provided with a cavity, and the auxiliary rod is telescopically sleeved in the main rod;

the rotatable mobile jib top that is located of the regulation lantern ring, the inner annular wall of regulation lantern ring is provided with the internal thread, and the outer wall of vice pole is provided with the external screw thread.

Preferably, the top of the auxiliary rod is provided with a clamp, the clamp is locked through a hand-screwed screw, and the clamp is mainly used for adjusting the forward extension and the backward contraction of the discharge electrode.

Preferably, the discharge electrode is bullet-shaped and comprises a discharge rod, a telescopic part, a motor and a shell;

when the discharge is separated, the distance between the discharge rod and the measuring piece is adjusted, and when the discharge rod is in contact discharge, the discharge rod can be instantly extended forwards for a certain distance;

the inner part of the shell is provided with a columnar cavity, the front part of the discharge rod extends out of the shell, the rear part of the discharge rod is elastically connected with the front part of the telescopic part, and the motor rotor is connected with the rear part of the telescopic part;

the shell is fixedly connected with the auxiliary rod through a hoop.

Preferably, the telescopic part comprises a pedestal, a spring and a turntable;

the front part of the pedestal is fixedly connected with the rear end of the discharge rod;

the spring is sleeved on the periphery of the rear part of the discharge rod and limited between the pedestal and the front end of the shell;

the rear part of the pedestal is provided with a conical tongue, and the front part of the turntable is provided with a frustum matched with the conical tongue;

the turntable rotates for a circle, and the pedestal just finishes a stroke under the thrust of the frustum.

The utility model has the advantages that: an electrostatic test protection device comprises a base, an isolation cover, a horizontal coupling plate, a vertical coupling plate and an electrostatic generator; the isolation cover is made of transparent antistatic organic glass; the base is made of insulating materials, a working area is arranged in the middle of the base, and the isolation cover covers the upper part of the working area; the horizontal coupling plate is horizontally arranged in the middle of the working area, and an electrostatic generator is arranged on the side surface of the horizontal coupling plate; perpendicular coupling plate detachable sets up perpendicularly in horizontal coupling plate upper portion, and the device need not the handheld electrostatic generator of tester and operates, forces testing arrangement and tester to keep apart through the cage, and the unable circular telegram of electrostatic generator has avoided the tester to electrocute harm after the cage is opened.

Drawings

The electrostatic testing protection device of the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of the electrostatic testing protection device of the present invention.

Fig. 2 is a schematic diagram of the structure of the electrostatic generator.

Fig. 3 is a schematic structural diagram of the elastic positioning block.

Fig. 4 is a schematic structural view of the support bar.

Fig. 5 is a schematic view of the structure of the discharge electrode.

In the figure:

1-base, 11-working area, 12-power-off protection switch, 2-isolation cover, 3-horizontal coupling plate, 4-vertical coupling plate, 5-electrostatic generator, 51-slide block, 511-elastic positioning block, 52-support rod, 521-main rod, 522-auxiliary rod, 523-adjusting lantern ring, 524-hoop, 525-hand screw, 53-discharge electrode, 531-discharge rod, 532-expansion part, 5321-pedestal, 53211-conical tongue, 5322-spring, 5323-rotary table, 53231-conical table, 533-motor, 534-shell and 6-guide rail.

Detailed Description

The utility model relates to an electrostatic test protector is further explained below with reference to fig. 1-5.

An electrostatic test protection device comprises a base 1, an isolation cover 2, a horizontal coupling plate 3, a vertical coupling plate 4 and an electrostatic generator 5;

the base 1 is made of insulating materials, the middle part of the base 1 is provided with a working area 11, and the isolation cover 2 covers the upper part of the working area 11;

the horizontal coupling plate 3 is horizontally arranged in the middle of the working area 11, and an electrostatic generator 5 is arranged on the side surface of the horizontal coupling plate 3;

the vertical coupling plate 4 is detachably and vertically arranged on the upper part of the horizontal coupling plate 3;

the isolation cover 2 is made of transparent antistatic organic glass.

In this embodiment, the working area 11 is a plane area sunk into the upper surface of the base 1, and the cage 2 is inserted into the base 1 along the peripheral side wall of the working area 11;

the body of the base 1 is made of an insulating rubber material, and has a protective effect on the side wall of the isolation cover 2.

In this embodiment, four corners of the working area 11 are respectively provided with one power-off protection switch 12, when the isolation cover 2 is lifted, the power-off protection switches 12 are in an off state, and at this time, the electrostatic generator 5 cannot be electrified even if the power-on switch is turned on; after the isolation cover 2 is buckled, the isolation cover 2 presses down the power-off protection switch 12, and the switch of the electrostatic generator 5 is opened to be electrified;

the design avoids electric shock caused by the fact that a tester mistakenly starts the static and static electric generator 5 when the isolation cover 2 is not buckled.

In the embodiment, the front side and the rear side of the horizontal coupling plate 3 are respectively provided with a guide rail 6, and each guide rail 6 is provided with an electrostatic generator 5;

guide rails 6 and electrostatic generators 5 may also be provided on the left and right sides of the horizontal coupling plate 3, depending on the volume of the test sample and the test point conditions.

In the present embodiment, the electrostatic generator 5 includes a slider 51, a support rod 52, and a discharge electrode 53;

the discharge electrode 53 is positioned at the top of the support rod 52, and the slide block 51 is positioned at the bottom of the support rod 52;

the slider 51 is slidably mounted on the guide rail 6.

In this embodiment, the sliding block 51 is provided with an elastic positioning block 511, the rear portion of the elastic positioning block 511 is hinged to the body of the sliding block 51, when the static and dynamic generator 5 needs to be slid,

the elastic positioning block 511 has a spindle-shaped cross section in the lateral direction, and the lower portion of the elastic positioning block 511 can be pressed into the guide rail 6.

In this embodiment, the support rod 52 includes a main rod 521, an auxiliary rod 522 and an adjusting collar 523;

the inner part of the main rod 521 is provided with a cavity, and the auxiliary rod 522 is telescopically sleeved in the main rod 521;

the adjusting lantern ring 523 is rotatably positioned at the top of the main rod 521, internal threads are arranged on the inner annular wall of the adjusting lantern ring 523, and external threads are arranged on the outer wall of the auxiliary rod 522.

In this embodiment, a clip 524 is provided on the top of the secondary rod 522, and the clip 524 is locked by a hand screw 525.

In this embodiment, the discharge electrode 53 is bullet-shaped, and includes a discharge rod 531, a telescopic portion 532, a motor 533, and a housing 534;

the interior of the shell 534 is provided with a columnar cavity, the front part of the discharging rod 531 extends out of the shell 534, the rear part of the discharging rod 531 is elastically connected with the front part of the telescopic part 532, and the rotor of the motor 533 is connected with the rear part of the telescopic part 532;

housing 534 is fixedly attached to secondary rod 522 by a clip 524.

In this embodiment, the telescopic portion 532 includes a pedestal 5321, a spring 5322, and a turntable 5323;

the front part of the pedestal 5321 is fixedly connected with the rear end of the discharging rod 531;

a spring 5322 sleeved on the outer periphery of the rear part of the discharging rod 531 and limited between the pedestal 5321 and the front end of the casing 534;

the rear part of the pedestal 5321 is provided with a conical tongue 53211, and the front part of the turntable 5323 is provided with a conical platform 53231 matched with the conical tongue 53211;

as the rotor of the motor 533 rotates, the rotor drives the rotating disc 5323 to rotate synchronously, the conical tongue 53211 pushes the conical tongue 53211 once every rotation period of the rotating disc 5323, and the pedestal 5321 pushes the discharge rod 531 to extend forward and retract once.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. An electrostatic test protection device is characterized by comprising a base (1), an isolation cover (2), a horizontal coupling plate (3), a vertical coupling plate (4) and an electrostatic generator (5);

the base (1) is made of an insulating material, a working area (11) is arranged in the middle of the base (1), and the isolation cover (2) covers the upper part of the working area (11);

the horizontal coupling plate (3) is horizontally arranged in the middle of the working area (11), and an electrostatic generator (5) is arranged on the side surface of the horizontal coupling plate (3);

the vertical coupling plate (4) is detachably and vertically arranged on the upper part of the horizontal coupling plate (3);

the working area (11) is a plane area sunk into the upper surface of the base (1), and the isolation cover (2) is inserted into the base (1) along the peripheral side wall of the working area (11);

the corner of the working area (11) is provided with a power-off protection switch (12), the power-off protection switch (12) is located under the edge of the bottom of the isolation cover (2), and the power supply of the electrostatic generator (5) is disconnected when the power-off protection switch is not pressed by the gravity of the isolation cover (2).

2. The electrostatic test protection device according to claim 1, wherein a guide rail (6) is arranged on the side of the horizontal coupling plate (3), and the electrostatic generator (5) is slidably mounted on the guide rail (6).

3. The electrostatic test protection device according to claim 2, wherein the electrostatic generator (5) comprises a slider (51), a support bar (52) and a discharge electrode (53);

the discharge electrode (53) is positioned at the top of the support rod (52), and the sliding block (51) is positioned at the bottom of the support rod (52);

the sliding block (51) is installed on the guide rail (6) in a sliding mode.

4. The electrostatic test protection device according to claim 3, wherein the slider (51) is provided with a resilient locating block (511), and a rear portion of the resilient locating block (511) is hinged with a body of the slider (51);

the cross section of the elastic locating block (511) in the lateral direction is in a spindle shape, and the lower part of the elastic locating block (511) can be pressed into the guide rail (6).

5. The electrostatic test protection device according to claim 4, wherein the support rod (52) comprises a primary rod (521), a secondary rod (522) and an adjustment collar (523);

the inner part of the main rod (521) is provided with a cavity, and the auxiliary rod (522) is telescopically sleeved in the main rod (521);

the adjusting lantern ring (523) is rotatably positioned at the top of the main rod (521), an inner ring wall of the adjusting lantern ring (523) is provided with an internal thread, and an outer wall of the auxiliary rod (522) is provided with an external thread.

6. The electrostatic test protection device according to claim 5, wherein a clip (524) is provided on the top of the secondary lever (522), the clip (524) being locked by a hand screw (525).

7. The electrostatic test protection device of claim 6, wherein the discharge electrode (53) is bullet shaped, comprising a discharge rod (531), a telescopic portion (532), a motor (533) and a housing (534);

the inside of the shell (534) is provided with a cylindrical cavity, the front part of the discharge rod (531) extends out of the shell (534), the rear part of the discharge rod (531) is elastically connected with the front part of the telescopic part (532), and the rotor of the motor (533) is connected with the rear part of the telescopic part (532);

the shell (534) is fixedly connected with the secondary rod (522) through the clamp (524).

8. The electrostatic test protection device of claim 7, wherein said telescoping portion (532) comprises a pedestal (5321), a spring (5322), a turntable (5323);

the front part of the pedestal (5321) is fixedly connected with the rear end of the discharge rod (531);

the spring (5322) is sleeved on the periphery of the rear part of the discharge rod (531) and limited between the pedestal (5321) and the front end of the shell (534);

the rear part of the pedestal (5321) is provided with a conical tongue (53211), and the front part of the turntable (5323) is provided with a frustum (53231) matched with the conical tongue (53211).