CN207603994U - A kind of FTU, LED antistatic circuit board - Google Patents

Abstract

The utility model is related to electrostatic protection technical fields, more particularly to a kind of FTU, LED antistatic circuit boards, including the first LED module, second LED module, first isolating chip, second isolating chip, isolated power supply module and main chip module, first LED module is electrically connected with the first isolating chip, second LED module is electrically connected with the second isolating chip, first isolating chip and the second isolating chip are commonly connected to isolated power supply module, the main chip module is electrically connected with isolated power supply module, first LED module includes LED groups, LED groups include multiple LED light and multiple light guide structures, described light guide structure one end is attached at LED light and surrounds LED light in light guide structure, the light guide structure is made of plastic material.Compared with prior art, FTU, LED antistatic circuit board of the utility model can effectively prevent static discharge, ensure circuit board steady operation, safe.

Description

A kind of FTU, LED antistatic circuit board

【Technical field】

The utility model is related to electrostatic protection technical field, more particularly to a kind of FTU, LED antistatic circuit board.

【Background technology】

Static discharge (Electrostatic Discharge) refer to have the object of different electrostatic potentials adjacent to each other or It is in direct contact caused electric charge transfer.In electronics manufacturing, the source of electrostatic is various, such as human body, plastic products, is had The instrument and equipment and electronic component of pass are in itself.In LED field, static discharge is directly over LED body conduction, radiation hair It is mapped in entire circuit, static discharge can influence master chip reset, crash, and first device of entire circuit is directly damaged if serious Part.

【Utility model content】

In order to overcome the above problem, the utility model proposes a kind of FTU, LED antistatics that can effectively solve the above problems Circuit board.

The utility model solves a kind of technical solution that above-mentioned technical problem provides：A kind of FTU, LED antistatic is provided Circuit board, including the first LED module, the second LED module, the first isolating chip, the second isolating chip, isolated power supply module and master Chip module, first LED module are electrically connected with the first isolating chip, and the second LED module is electrically connected with the second isolating chip, First isolating chip and the second isolating chip are commonly connected to isolated power supply module, the main chip module and isolated power supply module Electrical connection, first LED module include LED groups, and LED groups include multiple LED light and multiple light guide structures, the light guide structure One end is attached at LED light and surrounds LED light in light guide structure, and the light guide structure is made of plastic material.

Preferably, first LED module further comprises pcb board and safe Resistance, the LED groups and safe Resistance electricity Connection, the LED groups and safe Resistance may be contained on the pcb board.

Preferably, the light guide structure is light-guiding pillar, is highly 12mm.

Preferably, the light-guiding pillar includes light guide section and connecting portion, and connecting portion one end is attached at LED light, other end connection Light guide section, light guide section and connecting portion are integrally formed.

Preferably, one guide lighting channel of setting in the light guide section, the guide lighting channel perforation light guide section and connecting portion.

Preferably, the section of the light guide section and connecting portion is circle, and light guide section and connecting portion are arranged concentrically.

Preferably, the guide lighting channel is cylinder.

Preferably, the sectional dimension of the connecting portion is more than the sectional dimension of light guide section.

Preferably, the quantity of the LED light is equal with the quantity of light guide structure, and a LED light is equipped with a leaded light Structure.

Preferably, the LED light is Surface-mount LED lamp pearl.

Compared with prior art, FTU, LED antistatic circuit board of the utility model by set 12mm light-guiding pillar and ISO7220A isolating chips, when static discharge occurs, electrostatic is by conduction, and radiation-emitting is to LED circuit end, through over-light-transferring pole Isolation, ISO7220A isolating chips and B0505XT-1WR2 power supplys are isolated, and the electrostatic of conduction and the electrostatic of radiation-emitting are put Electricity is isolated, and reaches and main chip module is protected by any influence of static discharge, not ensure circuit board steady operation, safety It is high.

【Description of the drawings】

Fig. 1 is a kind of structure diagram of FTU, LED antistatic circuit board of the utility model；

Fig. 2 is a kind of the first LED module structure diagram of FTU, LED antistatic circuit board of the utility model；

Fig. 3 is a kind of light guide column structure schematic diagram of FTU, LED antistatic circuit board of the utility model.

【Specific embodiment】

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only used for explaining The utility model is not used to limit the utility model.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment The relative position being only limitted in given view rather than absolute position.

In addition, it and cannot be managed in the utility model such as relating to the description of " first ", " second " etc. is only used for description purpose It solves to indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Define as a result, " the One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".It is " more in the description of the present invention, It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.

Please refer to Fig.1 to Fig.3, a kind of FTU, LED antistatic circuit board of the utility model, including the first LED module 10, Second LED module 20, the first isolating chip 11, the second isolating chip 21, isolated power supply module 30 and main chip module 50.It is described First LED module 10 is electrically connected with the first isolating chip 11, and the second LED module 20 is electrically connected with the second isolating chip 21, and first 11 and second isolating chip 21 of isolating chip is commonly connected to isolated power supply module 30, the main chip module 50 and isolated power supply Module 30 is electrically connected.First isolating chip, 11 and second isolating chip 21 is ISO7220A isolating chips, the isolation electricity Source module 30 is B0505XT-1WR2 power supplys.

First LED module 10 includes pcb board 106, LED groups 101 and safe Resistance 102, the LED groups 101 and peace Impedance 102 is electrically connected, and the LED groups 101 and safe Resistance 102 may be contained on the pcb board 106.The LED groups 101 Including multiple LED light 103 and multiple light guide structures 105, multiple LED light 103 are attached in matrix form arrangement on 106 plate of pcb board, Described 105 one end of light guide structure is attached at LED light 103 and surrounds LED light 103 in light guide structure 105.The LED light 103 Quantity it is equal with the quantity of light guide structure 105, a LED light 103 is equipped with a light guide structure 105.The LED light 103 be Surface-mount LED lamp pearl.Second LED module 20 has identical structure with the first LED module 10.

The light guide structure 105 is light-guiding pillar, is highly 12mm, is made of plastic material.The light-guiding pillar includes leading Light portion 1051 and connecting portion 1052,1052 one end of connecting portion are attached at LED light 103, and other end connection light guide section 1051 is described to lead Light portion 1051 and connecting portion 1052 are integrally formed.The section of the light guide section 1051 and connecting portion 1052 is circle, light guide section 1051 and connecting portion 1052 be arranged concentrically, the sectional dimension of connecting portion 1052 is more than the sectional dimension of light guide section 1051.Light guide section 1051 inside sets a guide lighting channel 1053, and the guide lighting channel 1053 penetrates through light guide section 1051 and connecting portion 1052.It is guide-lighting Channel 1053 is cylinder.

Surface-mount LED lamp pearl passes light by the light-guiding pillar of 12mm high and shows that plastic cement light-guiding pillar is non-conductive, and light-guiding pillar passes voltage Lead completely isolated, ISO7220A isolating chips input terminal and output terminal isolation voltage 4000V, the input of isolated power supply module 30 with it is defeated Go out 1500V is isolated.As the progress positive and negative 8KV of contact discharge, the electrostatic experiment of the positive and negative 15KV of atmospherical discharges or human hand is touched and is led Static discharge occurs for light beam, and electrostatic is isolated by conduction, radiation-emitting to LED circuit end through over-light-transferring pole, ISO7220A isolation Chip and B0505XT-1WR2 power supplys are isolated, and the electrostatic of conduction and the static discharge of radiation-emitting are isolated, and reach protection Main chip module 50 by any influence of static discharge, does not ensure circuit board steady operation.

Compared with prior art, FTU, LED antistatic circuit board of the utility model by set 12mm light-guiding pillar and ISO7220A isolating chips, when static discharge occurs, electrostatic is by conduction, and radiation-emitting is to LED circuit end, through over-light-transferring pole Isolation, ISO7220A isolating chips and B0505XT-1WR2 power supplys are isolated, and the electrostatic of conduction and the electrostatic of radiation-emitting are put Electricity is isolated, and reaches and main chip module 50 is protected by any influence of static discharge, not ensure circuit board steady operation, safety Property it is high.

The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention, Every any modification made within the design of the utility model, equivalent replacement and improvement etc. should be included in the utility model Scope of patent protection in.

Claims (10)

1. a kind of FTU, LED antistatic circuit board, which is characterized in that including the first LED module, the second LED module, the first isolation Chip, the second isolating chip, isolated power supply module and main chip module, first LED module are electrically connected with the first isolating chip It connects, the second LED module is electrically connected with the second isolating chip, and the first isolating chip and the second isolating chip are commonly connected to isolation electricity Source module, the main chip module are electrically connected with isolated power supply module；

First LED module includes LED groups, and LED groups include multiple LED light and multiple light guide structures, the light guide structure one End is attached at LED light and surrounds LED light in light guide structure；

The light guide structure is made of plastic material.

2. FTU, LED antistatic circuit board as described in claim 1, which is characterized in that first LED module further wraps Pcb board and safe Resistance, the LED groups and safe Resistance electrical connection are included, the LED groups and safe Resistance may be contained within described On pcb board.

3. FTU, LED antistatic circuit board as claimed in claim 2, which is characterized in that the light guide structure is light-guiding pillar, high It spends for 12mm.

4. FTU, LED antistatic circuit board as claimed in claim 3, which is characterized in that the light-guiding pillar include light guide section and Connecting portion, connecting portion one end are attached at LED light, and other end connection light guide section, light guide section and connecting portion are integrally formed.

5. FTU, LED antistatic circuit board as claimed in claim 4, which is characterized in that setting one is guide-lighting in the light guide section Channel, the guide lighting channel perforation light guide section and connecting portion.

6. FTU, LED antistatic circuit board as claimed in claim 5, which is characterized in that section of the light guide section and connecting portion Face is circle, and light guide section and connecting portion are arranged concentrically.

7. FTU, LED antistatic circuit board as claimed in claim 5, which is characterized in that the guide lighting channel is cylinder.

8. FTU, LED antistatic circuit board as claimed in claim 6, which is characterized in that the sectional dimension of the connecting portion is big In the sectional dimension of light guide section.

9. FTU, LED antistatic circuit board as described in claim 1, which is characterized in that the quantity of the LED light is tied with guide-lighting The quantity of structure is equal, and a LED light is equipped with a light guide structure.

10. FTU, LED antistatic circuit board as claimed in claim 9, which is characterized in that the LED light is Surface-mount LED lamp Pearl.