Static elimination device of mini PC with industrial control function

Abstract

The utility model relates to the field of computers, in particular to a static electricity elimination device of a mini PC with an industrial control function, and the static electricity elimination device of the mini PC with the industrial control function comprises a host PCB, a first bridging elastic piece, a second bridging elastic piece, an expansion module PCB and a conductive sheet metal part, the host PCB comprises two first grounding ends and two second grounding ends, the host PCB comprises two first grounding ends and two second grounding ends, the first bridging elastic piece electrically connects the two first grounding ends, the second bridging elastic piece electrically connects the two second grounding ends, the expansion module PCB comprises two third grounding ends and two fourth grounding ends, the host PCB and the expansion module PCB form a grounding loop, and the conductive sheet metal part is electrically connected with the grounding loop. According to the static electricity elimination device of the mini PC with the industrial control function, static electricity is eliminated by forming the cage type static electricity conduction loop, and the problem that cost is high due to the fact that a PCBA board in electrical equipment is covered with a shielding cover to eliminate static electricity in the prior art is solved.

Description

Technical Field

[0001] The present application relates to the computer field, and more particularly to a static elimination device for a mini PC with industrial control functions. Background Art

[0002] A mini PC with industrial control functions can be used as an industrial computer. An industrial computer is an industrial control computer. An industrial computer is a general term for tools that detect and control production processes, electromechanical equipment, and process equipment. An industrial computer plays a vital role in industrial production. General industrial computers have functions such as data acquisition, data processing, automatic control, and communication transmission.

[0003] Generally, electrical equipment must be equipped with anti-static structures to prevent static electricity from breaking down electrical components in the electrical equipment. The traditional method of anti-static is to set up a shielding cover to cover the PCBA board in the electrical equipment to eliminate static electricity, but this method of anti-static is relatively expensive. Utility Model Content

[0004] The present application provides an electrostatic elimination device for a mini PC with industrial control functions, so as to solve the problem of high cost caused by the traditional method of using a shielding cover to cover the PCBA board in the industrial computer to eliminate static electricity.

[0005] In order to solve the above technical problems, a technical solution adopted by the present application is: to provide a mini PC static elimination device with industrial control function, the mini PC static elimination device with industrial control function comprises:

[0006] A host PCB board, comprising two first ground terminals and two second ground terminals;

[0007] A first bridging spring, electrically connecting the two first ground ends;

[0008] A second bridging spring, electrically connecting the two second ground ends;

[0009] The expansion module PCB board includes two third grounding terminals and two fourth grounding terminals, the two third grounding terminals are electrically connected to the first bridge spring pieces, and the two fourth grounding terminals are electrically connected to the second bridge spring pieces, so that the host PCB board and the expansion module PCB board form a grounding loop;

[0010] The conductive sheet metal part is electrically connected to the ground loop to form a cage-type electrostatic conductive loop.

[0011] Optionally, a first through hole penetrating the host PCB board is provided at a center position of the first grounding end and the second grounding end.

[0012] Optionally, a second through hole penetrating the expansion module PCB board is provided at a center position of the third ground terminal and the fourth ground terminal.

[0013] Optionally, the static elimination device of the mini PC with industrial control function further includes a first conductive sheet and a first conductive screw, and the first conductive screw fixes and assembles the first conductive sheet and the first bridging spring sheet.

[0014] Optionally, the static elimination device of the mini PC with industrial control function further includes a second conductive sheet and a second conductive screw, and the second conductive screw fixes and assembles the second conductive sheet and the second bridging spring sheet.

[0015] Optionally, the electrostatic eliminator of the mini PC with industrial control function further comprises a third fixing screw, and the third fixing screw fixes and assembles the first conductive sheet and the third grounding terminal and electrically connects them.

[0016] Optionally, the electrostatic eliminator of the mini PC with industrial control function further comprises a fourth fixing screw, and the fourth fixing screw fixes and assembles the second conductive sheet and the fourth grounding terminal and electrically connects them.

[0017] Optionally, a long copper nut is provided on the conductive sheet metal part, and the long copper nut is fixedly assembled with the conductive sheet metal part and electrically connected to the conductive sheet metal part.

[0018] Optionally, the electrostatic elimination device of the mini PC with industrial control function further includes a third conductive screw, and the first conductive sheet and the second conductive sheet are electrically connected to the long copper nut via the third conductive screw.

[0019] The beneficial effect of the present application is that in the static electricity elimination device of the mini PC with industrial control function provided in the present application, a cage-type static electricity conduction loop is formed to eliminate static electricity, thereby solving the problem of high cost caused by the traditional method of using a shielding cover to cover the PCBA board in the electrical equipment to eliminate static electricity. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of a static elimination device for a mini PC with industrial control functions provided in an embodiment of the present application;

[0022] Figure 2 It is a three-dimensional structural diagram of the host PCB board part of the static elimination device of a mini PC with industrial control function;

[0023] Figure 3 The present invention is a three-dimensional structural schematic diagram of a first bridge spring and a second bridge spring in a static elimination device of a mini PC with industrial control functions.

[0024] Explanation of the reference numerals: 100, host PCB board; 110, first grounding terminal; 120, second grounding terminal; 130, spare grounding terminal; 200, expansion module PCB board; 210, third grounding terminal; 220, fourth grounding terminal; 300, first bridging spring; 310, first connecting plate; 320, second connecting plate; 330, third connecting plate; 340, first fixing screw; 400, second bridging spring; 410, fourth connecting plate; 420, fifth connecting plate; 430, sixth connecting plate; 440, second fixing screw; 500, conductive sheet metal; 600, first conductive sheet; 610, first conductive screw; 620, third fixing screw; 700, second conductive sheet; 710, second conductive screw; 720, fourth fixing screw; 800, third conductive screw; 810, long copper nut. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0026] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back...), such directional indications are only used to explain the relative position relationship, movement, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0027] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present application, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0028] like Figures 1 to 3 As shown, the present application provides an electrostatic elimination device for a mini PC with industrial control functions, and the electrostatic elimination device for a mini PC with industrial control functions includes a host PCB board 100, a first bridge spring 300, a second bridge spring 400, an expansion module PCB board 200, and a conductive sheet metal part 500.

[0029] The host PCB board 100 includes two first grounding terminals 110 and two second grounding terminals 120, the first bridging spring 300 electrically connects the two first grounding terminals 110, and the second bridging spring 400 electrically connects the two second grounding terminals 120. The expansion module PCB board 200 includes two third grounding terminals 210 and two fourth grounding terminals 220, the two third grounding terminals 210 are electrically connected to the first bridging spring 300, and the two fourth grounding terminals 220 are electrically connected to the second bridging spring 400, so that the host PCB board 100 and the expansion module PCB board 200 form a grounding loop, and the conductive sheet metal 500 is electrically connected to the grounding loop to form a cage-type electrostatic conduction loop.

[0030] The static elimination device of the mini PC with industrial control function includes two parts, namely, a host module and an expansion module, wherein the host module includes a host PCB board 100, and the expansion module includes an expansion module PCB board 200, the host PCB board 100 and the expansion module PCB board 200 are arranged in parallel and spaced apart, the host PCB board 100 is roughly rectangular, and the host PCB board 100 includes two first grounding terminals 110 and two second grounding terminals 120, wherein the two first grounding terminals 110 and the two second grounding terminals 120 are respectively located at the positions of the four corners of the host PCB board 100. The expansion module PCB board 200 is also roughly rectangular, and the area of ​​the expansion module PCB board 200 is slightly larger than the area of ​​the host PCB board 100, and the expansion module PCB board 200 includes two third grounding terminals 210 and two fourth grounding terminals 220, wherein the two third grounding terminals 210 and the two fourth grounding terminals 220 are arranged at the positions of the four corners of the expansion module PCB board 200.

[0031] Spare grounding terminals 130 are provided at the four corners of the host PCB board 100 and near the two first grounding terminals 110 and the two second grounding terminals 120. Depending on different structures, the spare grounding terminals 130 can be selected to replace the first grounding terminals 110 or the second grounding terminals 120 to improve the flexibility of the structural design of the electrostatic elimination device of the mini PC with industrial control functions.

[0032] The first bridging spring 300 is arranged between the host PCB board 100 and the expansion module PCB board 200, and the first bridging spring 300 is arranged on a side of the host PCB board 100 close to the first ground terminal 110. The first bridging spring 300 includes a first connecting plate 310, a second connecting plate 320 and a third connecting plate 330. The first connecting plate 310, the second connecting plate 320 and the third connecting plate 330 are all made of metal materials with good conductive properties, and the first connecting plate 310, the second connecting plate 320 and the third connecting plate 330 are integrally formed.

[0033] The first connecting plate 310 is roughly rectangular, and there are two first connecting plates 310. The two first connecting plates 310 are parallel to the host PCB board 100 and the two first connecting plates 310 are respectively arranged at the positions of the two first grounding terminals 110. A first through hole penetrating the host PCB board 100 is provided at the center position of the first grounding terminal 110 and the second grounding terminal 120. The static elimination device of the mini PC with industrial control function also includes a first fixing screw 340. There are two first fixing screws 340. The two first fixing screws 340 fix and assemble the two first connecting plates 310 and the side of the host PCB board 100 close to the expansion module PCB board 200 through the first through hole, so that the first connecting plate 310 is electrically connected to the first grounding terminal 110.

[0034] The second connecting plate 320 is rectangular, and two second connecting plates 320 are provided. The two second connecting plates 320 correspond one-to-one to the two first connecting plates 310. The second connecting plates 320 are inclined from the host PCB board 100 toward the expansion module PCB board 200. A third connecting plate 330 is provided on the side of the second connecting plate 320 away from the first connecting plate 310. The third connecting plate 330 is in a long strip shape and is parallel to the host PCB board 100. The third connecting plate 330 electrically connects the two second connecting plates 320.

[0035] In summary, the two first ground terminals 110 are connected by providing the first bridging spring 300 .

[0036] The second bridging spring 400 is arranged between the host PCB board 100 and the expansion module PCB board 200, and the second bridging spring 400 is arranged on the side of the host PCB board 100 close to the second ground terminal 120. The second bridging spring 400 includes a fourth connecting plate 410, a fifth connecting plate 420 and a sixth connecting plate 430. The fourth connecting plate 410, the fifth connecting plate 420 and the sixth connecting plate 430 are all made of metal materials with good conductive properties, and the fourth connecting plate 410, the fifth connecting plate 420 and the sixth connecting plate 430 are integrally formed.

[0037] The fourth connecting plate 410 is rectangular and parallel to the host PCB board 100. Two fourth connecting plates 410 are provided, and the two fourth connecting plates 410 correspond one-to-one to the two second grounding terminals 120. The static elimination device of the mini PC with industrial control function also includes a second fixing screw 440. Two second fixing screws 440 are provided. The two second fixing screws 440 pass through the first through hole to fix the two fourth fixing plates on the side of the host PCB board 100 close to the expansion module PCB board 200, so that the fourth connecting plate 410 is electrically connected to the second grounding terminal 120.

[0038] The fifth connecting plate 420 is trapezoidal in shape and is perpendicular to the fourth connecting plate 410. The fifth connecting plate 420 is disposed on a side of the fourth connecting plate 410 away from the second grounding terminal 120. The two fifth connecting plates 420 correspond one to one with the two fourth connecting plates 410. A sixth connecting plate 430 is disposed on a side of the fifth connecting plate 420 away from the fourth connecting plate 410. The sixth connecting plate 430 is in the shape of a long strip and electrically connects the two fifth connecting plates 420 so that the two second grounding terminals 120 are connected to each other.

[0039] The expansion module PCB board 200 is roughly rectangular, and the expansion module PCB board 200 is arranged on the side of the first bridge spring 300 away from the host PCB board 100. The two third grounding terminals 210 and the two fourth grounding terminals 220 are respectively arranged at the four corners of the expansion module PCB board 200. A second through hole penetrating the expansion module PCB board 200 is arranged at the center of the two third grounding terminals 210 and the two fourth grounding terminals 220.

[0040] The static elimination device of the mini PC with industrial control function also includes a first conductive sheet 600 and a first conductive screw 610. The first conductive sheet 600 and the first conductive screw 610 are both made of metal materials with good conductive properties. The first conductive sheet 600 is parallel to the expansion module PCB board 200. Two first conductive sheets 600 are provided. The two first conductive sheets 600 are provided on both sides of the third connecting plate 330. Two first conductive screws 610 are also provided. The two first conductive screws 610 fix the two first conductive sheets 600 to the two sides of the third connecting plate 330 respectively, so that the first conductive sheet 600 is electrically connected to the third connecting plate 330.

[0041] The static elimination device of the mini PC with industrial control function also includes a second conductive sheet 700 and a second conductive screw 710. The second conductive sheet 700 and the second conductive screw 710 are both made of metal materials with good conductive properties. The second conductive sheet 700 is parallel to the expansion module PCB board 200. There are two second conductive sheets 700, and the two second conductive sheets 700 are arranged on both sides of the sixth connecting plate 430. There are also two second conductive screws 710. The two second conductive screws 710 fix the two second conductive sheets 700 to the two sides of the sixth connecting plate 430 respectively, so that the second conductive sheet 700 is electrically connected to the sixth connecting plate 430.

[0042] The electrostatic elimination device of the mini PC with industrial control function also includes a third fixing screw 620, which is arranged on the side of the first conductive sheet 600 away from the first conductive screw 610. The third fixing screw 620 fixes and assembles the first conductive sheet 600 and the expansion module PCB board 200 through the second through hole, so that the first conductive sheet 600 and the third grounding terminal 210 are electrically connected.

[0043] The electrostatic elimination device of the mini PC with industrial control function also includes a fourth fixing screw 720, which is arranged on the side of the second conductive sheet 700 away from the second conductive screw 710. The fourth fixing screw 720 fixes and assembles the second conductive sheet 700 and the expansion module PCB board 200 through the second through hole, so that the second conductive sheet 700 and the fourth grounding terminal 220 are electrically connected.

[0044] The static elimination device of the mini PC with industrial control function also includes a third conductive screw 800. There are four third conductive screws 800. The four third conductive screws 800 are respectively located in the middle of the two first conductive sheets 600 and the two second conductive sheets 700. The third conductive screw 800 vertically penetrates the first conductive sheet 600 and the second conductive sheet 700, and the third conductive screw 800 is fixedly assembled and electrically connected to the first conductive sheet 600 and the second conductive sheet 700.

[0045] The static elimination device of the mini PC with industrial control function also includes a long copper nut 810, which is cylindrical and perpendicular to the expansion module PCB board 200. The expansion module PCB board 200 is provided with four long copper nuts 810. The four long copper nuts 810 are respectively arranged on the side of the four third conductive screws 800 away from the host PCB board 100. The long copper nut 810 is threadedly assembled with the third conductive screw 800, so that the third conductive screw 800 is electrically connected to the long copper nut 810.

[0046] The conductive sheet metal 500 is rectangular and is arranged parallel to and spaced apart from the expansion module PCB board 200. The conductive sheet metal 500 is arranged on the side of the long copper nut 810 away from the expansion module PCB board 200. The four long copper nuts 810 are perpendicular to the conductive sheet metal 500 and the four long copper nuts 810 are fixedly assembled with the conductive sheet metal 500 and electrically connected.

[0047] To summarize, the host PCB board 100 and the expansion module PCB board 200 form a ground loop, and the conductive sheet metal 500 is electrically connected to the ground loop to form a cage-type electrostatic conduction loop. When the user uses the electrostatic elimination device of the mini PC with industrial control functions, especially when using the exposed input and output interfaces, the static electricity generated can be quickly dissipated and eliminated through the above-mentioned cage-type electrostatic conduction loop, thereby protecting the stability and safety of the circuit.

[0048] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. For those skilled in the art, various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application. Therefore, all equivalent changes made according to the structure, shape and principle of the present application should be included in the protection scope of the present application.

Claims

1. A mini PC with industrial control function static elimination device, characterized in that: include: A host PCB board (100) comprising two first grounding terminals (110) and two second grounding terminals (120); A first bridging spring (300) electrically connects the two first grounding ends (110); A second bridging spring (400) electrically connects the two second grounding ends (120); The expansion module PCB board (200) comprises two third grounding terminals (210) and two fourth grounding terminals (220), the two third grounding terminals (210) being electrically connected to the first bridge spring sheet (300), and the two fourth grounding terminals (220) being electrically connected to the second bridge spring sheet (400), so that the host PCB board (100) and the expansion module PCB board (200) form a grounding loop; The conductive sheet metal part (500) is electrically connected to the ground loop to form a cage-type electrostatic conductive loop.

2. The static elimination device for a mini PC with industrial control function according to claim 1, characterized in that: A first through hole penetrating the host PCB board (100) is provided at the center position of the first grounding end (110) and the second grounding end (120).

3. The static elimination device for a mini PC with industrial control function according to claim 2, characterized in that: A second through hole penetrating the expansion module PCB board (200) is provided at the center of the third grounding terminal (210) and the fourth grounding terminal (220).

4. The static elimination device for a mini PC with industrial control function according to claim 1, characterized in that: The static electricity elimination device for the mini PC with industrial control functions further comprises a first conductive sheet (600) and a first conductive screw (610), wherein the first conductive screw (610) fixes and assembles the first conductive sheet (600) and the first bridging spring sheet (300).

5. The static elimination device for a mini PC with industrial control function according to claim 4, characterized in that: The static electricity elimination device for the mini PC with industrial control functions further comprises a second conductive sheet (700) and a second conductive screw (710), wherein the second conductive screw (710) fixes and assembles the second conductive sheet (700) and the second bridging spring sheet (400).

6. The static elimination device for a mini PC with industrial control function according to claim 5, characterized in that: The static elimination device of the mini PC with industrial control function further comprises a third fixing screw (620), wherein the third fixing screw (620) fixes and assembles the first conductive sheet (600) and the third grounding terminal (210) and electrically connects them.

7. The static elimination device for a mini PC with industrial control function according to claim 6, characterized in that: The static elimination device of the mini PC with industrial control function further comprises a fourth fixing screw (720), wherein the fourth fixing screw (720) fixes and assembles the second conductive sheet (700) and the fourth grounding terminal (220) and electrically connects them.

8. The static elimination device for a mini PC with industrial control function according to claim 7, characterized in that: A long copper nut (810) is provided on the conductive sheet metal part (500), and the long copper nut (810) is fixedly assembled with the conductive sheet metal part (500) and electrically connected.

9. The static elimination device for a mini PC with industrial control function according to claim 8, characterized in that: The static elimination device for the mini PC with industrial control function further comprises a third conductive screw (800), and the first conductive sheet (600) and the second conductive sheet (700) are electrically connected to the long copper nut (810) via the third conductive screw (800).

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