TWI804664B - Electrostatic discharge visible apparatus - Google Patents

Abstract

An electrostatic discharge visible apparatus includes: an electrostatic discharge detection device detecting a first viewing angle position, where an electrostatic discharge occurs in a scene, at a first viewing angle; a human-machine interface providing a second viewing angle position, where the electrostatic discharge occurs in the scene, at a second viewing angle, and superimposing the second viewing angle position onto an image of the scene viewed by a user at the second viewing angle, wherein the second viewing angle position and the first viewing angle position represent the same position in a three-dimensional space of the scene; a relative position detection module detecting a relative positional relationship between the human-machine interface and the electrostatic discharge detection device; and a processor, which is connected to the relative position detection module, the electrostatic discharge detection device and the human-machine interface, and converting the first viewing angle position into the second viewing angle position according to the relative positional relationship, the first viewing angle and the second viewing angle.

Description

Electrostatic Discharge Visualization Device

The present invention relates to an electrostatic discharge monitoring device, and in particular to an electrostatic discharge visualization device.

Static electricity is due to the transfer of unbalanced charges on the surface of objects, resulting in excess or insufficient static charges on the surface of objects. That is, electrostatic discharge (Electro Static Discharge, ESD) will cause current heating effects, such as sparks (such as causing fire and explosion, breakdown or burning of parts) and electromagnetic field effects (electromagnetic interference).

Before the 1970s, many electrostatic problems were caused by people's lack of ESD awareness. Even now, many people are aware that ESD will cause damage to electronic products. This is because most ESD damage occurs below human perception, because the human body's perception voltage of electrostatic discharge is about 3KV, and many electronic components will be damaged at hundreds of volts or even tens of volts. Usually, the appearance of electronic components after being damaged by ESD There are no obvious traces, but the function of the components installed on the printed circuit board has been poor or passed the functional test but there is a risk of reduced reliability. For this potential damage, it is difficult for engineers or designers to measure its performance even with precision instruments analysis is also quite difficult.

Electrostatic discharge will degrade or even invalidate the performance of components, and interfere with the normal operation of adjacent instruments and equipment. Static damage to components can lead to hard breakdown, and may also lead to soft breakdown. Hard breakdown is a one-time cause of permanent chip dielectric breakdown, burning, etc. invalidated. Soft breakdown refers to the performance degradation or parameter index drop of components caused by ESD, so soft breakdown is more dangerous than hard breakdown.

On the other hand, static electricity damages electronic products as follows. Static electricity will attract dust and reduce the insulation resistance of components (shorten life). Electrostatic discharge damage can render the component inoperative (completely destroyed). The heat generated by the electric field or current of electrostatic discharge will damage the components, but the function is temporarily normal (this is potential damage), causing interference or damage to electronic products (electromagnetic interference). If the component is completely damaged, it must be detected and eliminated during the production process with little impact. If the component is slightly damaged, it is not easy to find it under normal testing. In this case, it is often found that the function is not functioning due to repeated processing, or even when the user has already used it. In addition, the magnitude of the electrostatic discharge electric field is very large and the frequency spectrum is extremely wide.

Therefore, the prevention and monitoring of electrostatic discharge has become a problem that manufacturers attach great importance to. There are already devices on the market that can monitor the location of ESD. However, the detected positions are all based on the detector, and the user must carry the detector with him. Due to the large size of the detector, it is quite inconvenient to use.

Therefore, an object of the present invention is to provide an electrostatic discharge visualization device that can monitor electrostatic discharge. By combining the electrostatic discharge detection device and the man-machine interface with the technology of augmented reality, the man-machine interface that the user can carry or wear ESD location based on user position and viewing angle can be displayed.

In order to achieve the above object, an embodiment of the present invention provides an electrostatic discharge visualization device, comprising: an electrostatic discharge detection device, which detects a first viewing angle position where electrostatic discharge occurs in a scene with a first viewing angle; a man-machine interface, Using a second viewing angle to provide a second viewing angle position where electrostatic discharge occurs in the scene and superimpose it on an image of the scene viewed by the user from the second viewing angle, the second viewing angle position and the first viewing angle position represent the three-dimensional space of the scene in (absolutely coordinates); a relative position detection module, which detects a relative positional relationship between the man-machine interface and the electrostatic discharge detection device; and a processor, which is connected to the relative position detection module, the electrostatic discharge detection The measuring device and the human-machine interface are used, and the position of the first viewing angle is converted into the position of the second viewing angle according to the relative position relationship, the first viewing angle and the second viewing angle.

Through the above-mentioned embodiment, the electrostatic discharge detection device can be fixed at the same position, and the user can carry a portable human-machine interface to see the specific electrostatic discharge position of the scene according to its position, direction (including viewing angle), etc. , to achieve the function of monitoring the electrostatic discharge location in real time and anytime and anywhere, not limited to the influence of the placement location of the electrostatic discharge detection device at all, and can effectively and instantly monitor the electrostatic discharge location.

In order to make the above content of the present invention more comprehensible, preferred embodiments are specifically cited below, together with the accompanying drawings, and described in detail as follows.

P1, P2, P3: first view position

P1', P2', P3': second view position

Q1: First position

Q2: Second position

Q3: Third position

VA1: First View

VA2: Second View

10: Electrostatic discharge detection device

11: Camera

12, 13, 14: Antenna

16: First-person perspective detection module

20: Man-machine interface

26:Second view detection module

30: Relative position detection module

31: The first positioning module

32:Second positioning module

40: Processor

41, 42: processing unit

100: Electrostatic discharge visualization equipment

200: scene

210: wall edge

300: user

FIG. 1 shows a schematic perspective view of an electrostatic discharge visualization device according to a preferred embodiment of the present invention.

2 to 5 show block schematic diagrams of four examples of ESD-based visualization devices.

FIG. 6 shows a perspective view of an electrostatic discharge detection device according to a preferred embodiment of the present invention.

FIG. 7 to FIG. 9 are schematic diagrams showing display conditions according to a preferred embodiment of the present invention.

FIG. 1 shows a schematic perspective view of an electrostatic discharge visualization device according to a preferred embodiment of the present invention. 2 to 5 show block schematic diagrams of four examples of ESD-based visualization devices. As shown in Figure 1 and Figure 2, the electrostatic discharge visualization device 100 of this embodiment It includes an electrostatic discharge detection device 10 , a man-machine interface 20 , a relative position detection module 30 and a processor 40 .

The electrostatic discharge detection device 10 detects a first viewing angle position P1, P2, P3 (each position can be represented by X, Y, Z coordinates) in a scene 200 where electrostatic discharge occurs with a first viewing angle VA1 (in this embodiment In the figure, three electrostatic discharge positions are represented, that is, three positions of the first viewing angle are taken as an example for illustration, but the present invention is not strictly limited thereto).

The man-machine interface 20 provides a second viewing angle position P1 ′, P2 ′, P3 ′ where the electrostatic discharge occurs in the scene 200 with a second viewing angle VA2 to be superimposed on the scene 200 seen by a user 300 from the second viewing angle VA2 In the image, the second viewing angle positions P1 ′ to P3 ′ and the first viewing angle positions P1 to P3 represent the same position in the three-dimensional space of the scene 200 (that is, the absolute positions are the same). Scene 200 has three wall edges 210 . The position of the man-machine interface 20 is different from that of the ESD detection device 10 , and the viewing angle of the man-machine interface 20 and the view angle of the ESD detection device 10 may be the same or different. In this embodiment, the man-machine interface 20 is an augmented reality glasses worn by the user 300 and has the functions of taking pictures and displaying. In other embodiments, the man-machine interface 20 is a mobile phone, tablet computer, etc., and the user can use the camera and display functions of the mobile phone or tablet computer to complete the functions of this embodiment.

The relative position detection module 30 detects a relative position relationship between the man-machine interface 20 and the electrostatic discharge detection device 10 .

The processor 40 is connected to the relative position detection module 30, the electrostatic discharge detection device 10 and the man-machine interface 20, and converts the first viewing angle positions P1 to P3 into The second viewing angle positions P1' to P3'. In one example, a first coordinate system can be defined for the electrostatic discharge detection device 10, a second coordinate system can be defined for the man-machine interface 20, and the second coordinate system and the first coordinate can be obtained by the relative position detection module 30 The relative relationship of the system, through the way of coordinate conversion to get the second perspective Positions P1' to P3'.

As shown in Figure 3, this example is similar to Figure 2, except that the relative position detection module 30 includes a first positioning module 31 and a second positioning module 32, which are respectively installed in the electrostatic discharge detection device 10 and man-machine interface 20. The first positioning module 31 and the second positioning module 32 are connected and positioned through a wireless network. In other examples, the first positioning module 31 and the second positioning module 32 can be used to locate the relative position according to the markers in the scene, or the second positioning module 32 can be used to locate the relative position according to the appearance of the electrostatic discharge detection device 10 type, with visible light camera and depth camera or other feature point comparison methods for positioning.

As shown in Figure 4, this example is similar to Figure 3, except that the electrostatic discharge detection device 10 has a first viewing angle detection module 16 for detecting a first viewing angle, and the man-machine interface 20 has a detection second viewing angle detection module 16. The second viewing angle detection module 26 of the viewing angle. In another example, the first angle of view and the second angle of view can be initially corrected to be the same, and a gyroscope can be used for correction. In this case, the first angle of view detection module 16 can be omitted.

In FIGS. 2 to 4 , the processor 40 is disposed outside the ESD detection device 10 and the man-machine interface 20 . The processor 40 can be a processor of a cloud server, and is connected to the electrostatic discharge detection device 10 and the man-machine interface 20 through a cable or a dirty method. In other examples, the processor 40 is disposed in the ESD detection device 10 or the man-machine interface 20 .

As shown in FIG. 5 , this example is similar to FIG. 4 , except that the processor 40 includes two processing units 41 and 42 disposed in the ESD detection device 10 and the man-machine interface 20 .

FIG. 6 shows a perspective view of an electrostatic discharge detection device according to a preferred embodiment of the present invention. As shown in FIG. 6 , the electrostatic discharge detection device 10 includes a camera 11 and three mutually orthogonal antennas 12 , 13 , 14 . The camera 11 captures an image of the scene at the first viewing angle VA1 at the first viewing angle VA1 . Three mutually orthogonal antennas 12, 13, 14 are orthogonal to the camera 11 , for detecting the first viewing angle positions P1 to P3 . The location where the discharge occurs is calculated using the difference in time between the electromagnetic waves at the location where the electrostatic discharge occurs and the receiving antenna. As mentioned above, use the second positioning module 32 to locate the relative position of the man-machine interface 20 and the ESD detection device 10 according to the appearance of the three mutually orthogonal antennas 12 , 13 , 14 of the ESD detection device 10 .

FIG. 7 to FIG. 9 are schematic diagrams showing display conditions according to a preferred embodiment of the present invention. As shown in FIG. 7 , when the man-machine interface 20 is in an upright state, the user 300 needs to project the second viewing position P1 ′ on the first position Q1 in order to see the first viewing angle position P1 . As shown in FIG. 8 , when the man-machine interface 20 is in a tilted state, the user 300 needs to project the second viewing angle position P1 ′ on the second position Q2 in order to see the first viewing angle position P1 . As shown in FIG. 9 , when the man-machine interface 20 is in another inclined state, the user 300 needs to project the second viewing angle position P1 ′ on the third position Q3 in order to see the first viewing angle position P1 . Make the position displayed on the man-machine interface 20 change with its angle, position movement and change. In addition to displaying the electrostatic discharge location, the electrostatic discharge intensity can also be displayed by using different brightness, and the discharge intensity detected by the electrostatic discharge detection device 10 is converted into color or brightness to represent each location.

In this way, the electrostatic discharge detection device can be fixed at the same position, and the user can carry a portable human-machine interface to see the specific electrostatic discharge position of the scene, so as to achieve the function of monitoring the electrostatic discharge position in real time and at any time, completely It is not limited to the influence of the placement position of the electrostatic discharge detection device, and can effectively and instantly monitor the placement position of the static electricity. Through the observation of the process of static electricity, find out the cause of the occurrence and the loopholes in the countermeasures.

The specific embodiments proposed in the detailed description of the preferred embodiments are only used to facilitate the description of the technical content of the present invention, rather than restricting the present invention to the above-mentioned embodiments in a narrow sense, without departing from the spirit of the present invention and applying for patents below The scope of the situation, the changes made implementation, all belong to the scope of the present invention.

10‧‧‧ESD detection device

20‧‧‧Human-machine interface

30‧‧‧relative position detection module

40‧‧‧processor

100‧‧‧ESD Visualization Equipment

Claims (9)

An electrostatic discharge visualization device, comprising: an electrostatic discharge detection device, which detects a first viewing angle position where electrostatic discharge occurs in a scene with a first viewing angle, and the electrostatic discharge detection device has a detection device for detecting the first viewing angle The first viewing angle detection module; a human-machine interface, which provides a second viewing angle position where electrostatic discharge occurs in the scene with a second viewing angle, and superimposes on an image of the scene seen by a user from the second viewing angle, The second viewing angle position and the first viewing angle position represent the same position in the three-dimensional space of the scene, and the man-machine interface has a second viewing angle detection module for detecting the second viewing angle; a relative position detection module a set for detecting a relative positional relationship between the man-machine interface and the electrostatic discharge detection device; and a processor connected to the relative position detection module, the electrostatic discharge detection device and the man-machine interface, and The position of the first viewing angle is converted into the position of the second viewing angle according to the relative positional relationship, the first viewing angle and the second viewing angle. The electrostatic discharge visualization device as described in item 1 of the scope of the patent application, wherein the electrostatic discharge detection device includes: a camera that takes a first perspective image of the scene with the first perspective; and three mutually orthogonal The antenna is perpendicular to the camera and used to detect the first viewing angle position. The electrostatic discharge visualization device described in item 1 of the scope of the patent application, wherein the man-machine interface is an augmented reality glasses worn by the user. The electrostatic discharge visualization device described in item 1 of the scope of the patent application, wherein the relative position detection module includes a first positioning module and a second positioning module, which are respectively installed on the electrostatic discharge detection device and the On the man-machine interface. The electrostatic discharge visualization device described in item 4 of the scope of the patent application, wherein the first positioning module and the second positioning module are connected and positioned through a wireless network. The electrostatic discharge visualization device as described in item 1 of the scope of the patent application, wherein the processor is disposed in the electrostatic discharge detection device. The electrostatic discharge visualization device as described in claim 1 of the patent application, wherein the processor is arranged in the man-machine interface. The electrostatic discharge visualization device described in claim 1 of the patent application, wherein the processor includes two processing units arranged in the electrostatic discharge detection device and the man-machine interface. The electrostatic discharge visualization device as described in claim 1 of the patent application, wherein the processor is arranged outside the electrostatic discharge detection device and the man-machine interface.

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