CN207399750U - A kind of earthing or grounding means of anti-electromagnetic interference - Google Patents
A kind of earthing or grounding means of anti-electromagnetic interference Download PDFInfo
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- CN207399750U CN207399750U CN201721154831.XU CN201721154831U CN207399750U CN 207399750 U CN207399750 U CN 207399750U CN 201721154831 U CN201721154831 U CN 201721154831U CN 207399750 U CN207399750 U CN 207399750U
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Abstract
A kind of earthing or grounding means of anti-electromagnetic interference, for connecting LED display module and babinet, LED display module includes bottom case and the pcb board being arranged in bottom case, the earthing or grounding means of anti-electromagnetic interference includes spring, screw, magnet with first through hole, the back side of bottom case sets fluted, magnet is stuck in groove, bottom portion of groove is provided with the second through hole, second through hole is provided with the copper post contacted with magnet, copper post is provided with and the matched screw hole of screw, screw is through first through hole and screws in screw hole, the head of screw is stuck in outside first through hole, both ends of the spring is connected respectively with pcb board and copper post.The electromagnetism of the earthing or grounding means of the anti-electromagnetic interference of the utility model path of releasing is：Pcb board-spring-copper post-magnet-babinet.Magnet is both connected to LED display module and babinet, and but also as the conducting parts of electromagnetic releasing, the contact of the earthing or grounding means of the anti-electromagnetic interference of the utility model is reliable, and compact-sized succinct, installing and dismounting LED display is convenient.
Description
Technical field
The utility model is related to a kind of earthing or grounding means, more particularly to a kind of anti-electromagnetic interference for LED display
Earthing or grounding means.
Background technology
LED display includes LED display module and babinet, and the electromagnetic radiation of LED display mostlys come from LED and shows mould
Block.LED display module is mounted on babinet, cabinet shell connection the earth, so to make product electromagnetic radiation not exceeded, it is necessary to
Complete electromagnetic radiation is released path.More adopt of the LED display of the prior art is screwed LED display module and babinet,
Due to the electric conductivity of screw, and screw unicom LED display module and babinet, i.e., it is used as LED display with screw electric conductivity
Electromagnetic radiation is released path.
It is complicated due to fixing LED display module installation with the fixed method of screw screw, it is impossible to which that fast assembling-disassembling LED is shown
Screen.In order to fast assembling-disassembling LED display, substitute screw with magnet absorption and fix LED display module, i.e., in LED display module
LED display module is adsorbed onto on babinet by upper installation magnet using magnet magnetic force.So the prior art is realized by screw
The path that electromagnetic radiation is released does not adapt to the LED display module of new paragon assembling, is badly in need of developing a kind of LED display module and case
The reliable fashion that electromagnetic radiation is released between body.
Utility model content
The purpose of this utility model is that it avoids shortcoming of the prior art and provides that a kind of contact is reliable, installation is torn open
Unload the earthing or grounding means of the convenient anti-electromagnetic interference of LED display.
A kind of earthing or grounding means of anti-electromagnetic interference, for connecting the LED display module of LED display and babinet, LED is shown
Module includes bottom case and the pcb board being arranged in the bottom case, and the earthing or grounding means of the anti-electromagnetic interference includes spring, spiral shell
Silk, the magnet with first through hole, the back side setting of the bottom case are fluted, and the magnet is stuck in the groove, described recessed
The position corresponding with the first through hole of trench bottom is provided with the second through hole, and second through hole is provided with to be connect with the magnet
Tactile copper post, the copper post is provided with to be passed through the first through hole and screws in the matched screw hole of the screw, the screw
The screw hole, the head of the screw are stuck in outside the first through hole, the both ends of the spring respectively with the pcb board and the copper
Column connects.
Preferably, the conductive sponge with third through-hole, the conductive sponge are additionally provided between above-mentioned groove and the magnet
Be stuck in the groove, the magnet is stuck in the third through-hole, in the conductive sponge outside respectively with the magnet and institute
Groove is stated to fit closely.
Preferably, one end of above-mentioned spring is thick, and the other end is thin, and middle part is gently excessive, the butt end of the spring and the PCB
Plate connects, and the taper end of the spring is connected with the copper post.
Preferably, the height of a little higher than magnet of the height of above-mentioned conductive sponge.
Preferably, above-mentioned conductive sponge is ring shaped conductive cotton.
It is another preferably, the shape of above-mentioned conductive sponge is triangle.
The utility model has the following advantages compared with prior art：The earthing or grounding means of the anti-electromagnetic interference of the utility model
Both ends of the spring be connected respectively with pcb board and copper post, copper post is contacted with magnet, and the screw of fixed magnet screws in the copper post
In screw hole, when the LED display module of LED display is fixed on babinet by magnet, the anti-electromagnetic interference of the utility model
The electromagnetism path of releasing of earthing or grounding means be：Pcb board --- spring --- copper post --- magnet --- babinet.Magnet was both connected to
LED display module and babinet, but also as the conducting parts of electromagnetic releasing, so the ground connection dress of the anti-electromagnetic interference of the utility model
The contact put is reliable, and compact-sized succinct, installing and dismounting LED display is convenient.
Description of the drawings
Using attached drawing, the utility model is described in further detail, but the embodiment in attached drawing is not formed to the utility model
Any restrictions.
Fig. 1 is that a kind of earthing or grounding means of anti-electromagnetic interference of the utility model is used for the structure diagram of LED display module；
Fig. 2 is a kind of schematic cross-sectional view of the earthing or grounding means of anti-electromagnetic interference of the utility model；
Fig. 3 is a kind of decomposition texture schematic diagram of the earthing or grounding means of anti-electromagnetic interference of the utility model.
Specific embodiment
The utility model is further described with attached drawing with the following Examples：
A kind of earthing or grounding means of anti-electromagnetic interference, such as Fig. 1 to Fig. 3, for connecting the LED display module 10 of LED display
And babinet（It is not indicated in figure）, LED display module 10 includes bottom case 20 and the pcb board 30 that is arranged in bottom case 20, and anti-electromagnetism is done
The earthing or grounding means disturbed include spring 40, screw 50, there is the magnet 60 of first through hole 61, the back side of bottom case 20 set it is fluted
21, magnet 60 is stuck in groove 21, and 21 bottom of groove is provided with the second through hole 22 with 61 corresponding position of first through hole, and second
Through hole 22 is provided with the copper post 70 contacted with magnet 60, and copper post 70 is provided with wears with 50 matched screw hole 71 of screw, screw 50
Cross first through hole 61 and screw in screw hole 71, the head 51 of screw 50 is stuck in outside first through hole 61,40 both ends of spring respectively with pcb board
30 and copper post 70 connect.The head 51 of screw 50 is stuck in outside the first through hole 61 of magnet 60, and copper post 70 is fixed on bottom case 20, i.e.,
Magnet 60 can be fixed on by screw 50 on bottom case 20.
40 both ends of spring of the earthing or grounding means of the anti-electromagnetic interference of the utility model connect respectively with pcb board 30 and copper post 70
It connects, copper post 70 is contacted with magnet 60, and the screw 50 of fixed magnet 60 is screwed in the screw hole 71 of copper post 70, when LED display
LED display module 10 is fixed on babinet by magnet 60（It is not indicated in figure）When, the anti-electromagnetic interference of the utility model connects
The electromagnetism of ground device path of releasing is：--- --- copper post 70 --- magnet 60 --- babinet of spring 40 of pcb board 30（It is not marked in figure
Show）.Magnet 60 had both been connected to LED display module 10 and babinet（It is not indicated in figure）, but also as the conducting parts of electromagnetic releasing,
So the contact of the earthing or grounding means of the anti-electromagnetic interference of the utility model is reliable, compact-sized succinct, installing and dismounting LED display side
Just.
It is preferred that as shown in Figure 1 to Figure 3, the conduction with third through-hole 81 is additionally provided between groove 21 and magnet 60
Cotton 80, conductive sponge 80 are stuck in groove 21, and magnet 60 is stuck in third through-hole 81, in conductive sponge 80 outside respectively with magnet 60 and
Groove 21 fits closely.Specifically, conductive sponge 80 can be ring shaped conductive cotton 80, and the shape of conductive sponge 80 can also be as needed
It is arranged to triangle.
Since 40 both ends of spring are connected respectively with pcb board 30 and copper post 70, copper post 70 is contacted with magnet 60, and fixed magnet
60 screw 50 is screwed in the screw hole 71 of copper post 70, and conductive sponge 80 is fitted closely with magnet 60, when the LED of LED display is shown
Show that module 10 is fixed on babinet by magnet 60（It is not indicated in figure）When, the earthing or grounding means of the anti-electromagnetic interference of the utility model
Electromagnetism path of releasing be：--- --- copper post 70 --- the magnet 60 and conductive sponge 80 --- babinet of spring 40 of pcb board 30（In figure
It does not indicate）.Magnet 60 had both been connected to LED display module 10 and babinet（It is not indicated in figure）, but also as the conduction of electromagnetic releasing
Component.Add conductive sponge 80, conductive sponge 80 has electric action, and the electromagnetism that can increase earthing or grounding means is released path, is accelerated
Electromagnetism is released speed；And conductive sponge 80 can play the role of protecting magnet 60, be inhaled in LED display module 10 by magnet 60
It is attached to babinet（It is not indicated in figure）When, there is certain cushioning effect, so the earthing or grounding means of the anti-electromagnetic interference of the utility model
Contact it is reliable, compact-sized succinct, installing and dismounting LED display is convenient.
It is preferred that as shown in Figure 1 to Figure 3, one end of spring 40 is thick, and the other end is thin, middle part is gently excessive, spring 40 it is thick
End 41 is connected with pcb board 30, and the taper end 42 of spring 40 is connected with copper post 70.The butt end 41 of spring 40 is connected with pcb board 30, spring
40 taper end 42 is connected with copper post 70, and during the connection of spring 40 and pcb board 30, the taper end 42 of spring 40 is easily installed behaviour outwardly
Make, the connection of spring 40 and pcb board 30 can be conveniently realized.
It is preferred that as shown in Figure 1 to Figure 3, the height of a little higher than magnet 60 of height of conductive sponge 80.It will by magnet 60
LED display module 10 is adsorbed in babinet（It is not indicated in figure）When, due to the height of a little higher than magnet 60 of the height of conductive sponge 80, peace
Conductive sponge 80 first touches babinet during dress（It is not indicated in figure）, because the elasticity of conductive sponge 80 and the gravity of LED display module 10 are made
With compression conductive cotton 80 makes magnet 60 adsorb in babinet（It is not indicated in figure）On.There is a elastic buffer when so installing, it can be with
The friction of magnet 60 and other parts when reducing installation, it is also ensured that conductive sponge 80 fully contacts babinet（It is not marked in figure
Show）.
Finally it should be noted that above example is only to illustrate the technical solution of the utility model rather than to this reality
With the limitation of novel protected scope, although being explained in detail with reference to preferred embodiment to the utility model, this field it is general
Lead to it will be appreciated by the skilled person that can be modified or replaced equivalently to the technical solution of the utility model, without departing from this
The spirit and scope of utility model technical solution.
Claims (6)
1. a kind of earthing or grounding means of anti-electromagnetic interference, for connecting the LED display module of LED display and babinet, LED shows mould
Block includes bottom case and the pcb board being arranged in the bottom case, which is characterized in that the earthing or grounding means of the anti-electromagnetic interference includes
Spring, screw, the magnet with first through hole, the back side setting of the bottom case are fluted, and the magnet is stuck in the groove,
The position corresponding with the first through hole of the bottom portion of groove is provided with the second through hole, second through hole be provided with it is described
The copper post of magnet contact, the copper post is provided with passes through the first through hole with the matched screw hole of the screw, the screw
And screw in the screw hole, the head of the screw is stuck in outside the first through hole, the both ends of the spring respectively with the pcb board and
The copper post connection.
2. the earthing or grounding means of anti-electromagnetic interference according to claim 1, it is characterised in that：The groove and the magnet it
Between be additionally provided with the conductive sponge with third through-hole, the conductive sponge is stuck in the groove, and the magnet is stuck in the described 3rd
In through hole, outside fits closely respectively with the magnet and the groove in the conductive sponge.
3. the earthing or grounding means of anti-electromagnetic interference according to claim 1, it is characterised in that：One end of the spring is thick, separately
One end is thin, and middle part is gently excessive, and the butt end of the spring is connected with the pcb board, and the taper end of the spring connects with the copper post
It connects.
4. the earthing or grounding means of anti-electromagnetic interference according to claim 2, it is characterised in that：The height of the conductive sponge is slightly higher
In the height of the magnet.
5. the earthing or grounding means of anti-electromagnetic interference according to claim 4, it is characterised in that：The conductive sponge is ring shaped conductive
Cotton.
6. the earthing or grounding means of anti-electromagnetic interference according to claim 4, it is characterised in that：The shape of the conductive sponge is three
It is angular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721154831.XU CN207399750U (en) | 2017-09-08 | 2017-09-08 | A kind of earthing or grounding means of anti-electromagnetic interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721154831.XU CN207399750U (en) | 2017-09-08 | 2017-09-08 | A kind of earthing or grounding means of anti-electromagnetic interference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207399750U true CN207399750U (en) | 2018-05-22 |
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ID=62416024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721154831.XU Active CN207399750U (en) | 2017-09-08 | 2017-09-08 | A kind of earthing or grounding means of anti-electromagnetic interference |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109584736A (en) * | 2019-01-04 | 2019-04-05 | 深圳市德彩光电有限公司 | A kind of LED display |
| WO2020024579A1 (en) * | 2018-07-31 | 2020-02-06 | 深圳市奥拓电子股份有限公司 | Mask, display module and led display screen |
| CN111145654A (en) * | 2019-12-17 | 2020-05-12 | 广州视源电子科技股份有限公司 | LED display screen module and LED display screen |
-
2017
- 2017-09-08 CN CN201721154831.XU patent/CN207399750U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020024579A1 (en) * | 2018-07-31 | 2020-02-06 | 深圳市奥拓电子股份有限公司 | Mask, display module and led display screen |
| CN109584736A (en) * | 2019-01-04 | 2019-04-05 | 深圳市德彩光电有限公司 | A kind of LED display |
| CN111145654A (en) * | 2019-12-17 | 2020-05-12 | 广州视源电子科技股份有限公司 | LED display screen module and LED display screen |
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