CN207397177U - Industrial master board structure - Google Patents
Industrial master board structure Download PDFInfo
- Publication number
- CN207397177U CN207397177U CN201721353594.XU CN201721353594U CN207397177U CN 207397177 U CN207397177 U CN 207397177U CN 201721353594 U CN201721353594 U CN 201721353594U CN 207397177 U CN207397177 U CN 207397177U
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- China
- Prior art keywords
- pins
- connection
- conversion
- chip
- conversion chip
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of structure of industrial master board, the structure includes：Master chip, plug slot and conversion circuit；Conversion circuit includes：USB and conversion chip, technical solution provided by the utility model have the advantages that user is easy to use.
Description
Technical field
The utility model is related to elevators field more particularly to a kind of industrial master board structures.
Background technology
The equipment that existing elevator is generally loaded with advertisement, it is not square in advertisement replacing for advertising equipment
Just, computer can not be connected with convenient with industrial structure of sponsoring, and user is inconvenient to use.
The content of the invention
The application provides a kind of industrial master board structure.The technical solution user of its solution prior art is inconvenient to use to be asked
Topic.
On the one hand, a kind of structure of industrial master board is provided, the structure includes：Master chip, plug slot and conversion electricity
Road；Conversion circuit includes：USB and conversion chip；
The RX interfaces of the conversion chip are connected with plugging No. 18 pins of slot, TX interfaces and the plug of the conversion chip
No. 16 pins connection of slot；One end of the TX interfaces connection first resistor R1 of conversion chip, the other end connection of first resistor R1
The TXD pins of conversion chip, change one end of the RX interfaces connection second resistance R2 of chip, and one end connection of second resistance R2 turns
The RXD pins of chip, the VBUS pins of the VBUS pins connection USB of conversion chip are changed, the D- pins of conversion chip connect USB's
The DP pins of the D+ pins connection USB of DM pin conversion chips, the negative pin ground connection of USB；
The both ends of first capacitance C1 connect ground, VBUS pins respectively, and the second capacitance C2 is connected in parallel with the first capacitance；First
The plus earth of diode D1, cathode connection VBUS pins, the plus earth of the second diode D2, cathode connection D- pins, the
The plus earth of three diode D3, cathode connection D+ pins.
Technical solution provided by the utility model has the advantages that user is easy to use.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is the structure diagram of industrial master board.
Fig. 2 is the schematic diagram of connecting-disconnecting interface.
Fig. 3 is conversion circuit schematic diagram.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is the implementation of the utility model part of the embodiment rather than whole
Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It should be noted that for foregoing each embodiment of the method, in order to be briefly described, therefore it is all expressed as to a system
The combination of actions of row, but those skilled in the art should know, the utility model and from the limit of described sequence of movement
System, because according to the utility model, certain some step may be employed other orders or be carried out at the same time.Secondly, art technology
Personnel should also know that embodiment described in this description belongs to preferred embodiment, and involved action and module are not
Necessary to must being the utility model.
Refering to Fig. 1, Fig. 1 is a kind of structure diagram of industrial master board provided by the utility model, as shown in Figure 1, the master
Chip (model I.MX536), plug slot (as shown in Figure 2) and conversion circuit (as shown in Figure 3)；Conversion circuit includes：USB
And conversion chip；
The RX interfaces of the conversion chip are connected with plugging No. 18 pins of slot, TX interfaces and the plug slot of the conversion chip
No. 16 pin connections；One end of the TX interfaces connection first resistor R1 of conversion chip, the other end connection conversion of first resistor R1
The TXD pins of chip change one end of the RX interfaces connection second resistance R2 of chip, one end connection conversion core of second resistance R2
The RXD pins of piece, the VBUS pins of the VBUS pins connection USB of conversion chip, the DM of the D- pins connection USB of conversion chip draw
The DP pins of the D+ pins connection USB of foot conversion chip, the negative pin ground connection of USB；
The both ends of first capacitance C1 connect ground, VBUS pins respectively, and the second capacitance C2 is connected in parallel with the first capacitance；First
The plus earth of diode D1, cathode connection VBUS pins, the plus earth of the second diode D2, cathode connection D- pins, the
The plus earth of three diode D3, cathode connection D+ pins.
It can realize that computer connects industrial master board by USB interface by above-mentioned conversion circuit, and then facilitate user
More new file.
Above-mentioned conversion chip is specifically as follows：PL2303HX chips can also be other turn in practical applications certainly
Chip is changed, as long as its chip has as above pin.
The content download method and relevant device, system provided above to the utility model embodiment has carried out detailed Jie
It continues, specific case used herein is set forth the principle and embodiment of the utility model, and above example is said
It is bright to be only intended to help the method and its core concept for understanding the utility model；Meanwhile for those of ordinary skill in the art,
According to the thought of the utility model, there will be changes in specific embodiments and applications, in conclusion this explanation
Book content should not be construed as the limitation to the utility model.
Claims (1)
1. a kind of structure of industrial master board, which is characterized in that the structure includes：Master chip, plug slot and conversion circuit；
Conversion circuit includes：USB and conversion chip；
The RX interfaces of the conversion chip are connected with plugging No. 18 pins of slot, TX interfaces and the plug slot of the conversion chip
No. 16 pin connections；One end of the TX interfaces connection first resistor R1 of conversion chip, the other end connection conversion of first resistor R1
The TXD pins of chip, one end of the RX interfaces connection second resistance R2 of conversion chip, one end connection conversion core of second resistance R2
The RXD pins of piece, the VBUS pins of the VBUS pins connection USB of conversion chip, the DM of the D- pins connection USB of conversion chip draw
The DP pins of the D+ pins connection USB of foot conversion chip, the negative pin ground connection of USB；
The both ends of first capacitance C1 connect ground, VBUS pins respectively, and the second capacitance C2 is connected in parallel with the first capacitance；One or two pole
The plus earth of pipe D1, cathode connection VBUS pins, the plus earth of the second diode D2, cathode connection D- pins, the three or two
The plus earth of pole pipe D3, cathode connection D+ pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721353594.XU CN207397177U (en) | 2017-10-20 | 2017-10-20 | Industrial master board structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721353594.XU CN207397177U (en) | 2017-10-20 | 2017-10-20 | Industrial master board structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207397177U true CN207397177U (en) | 2018-05-22 |
Family
ID=62329026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721353594.XU Expired - Fee Related CN207397177U (en) | 2017-10-20 | 2017-10-20 | Industrial master board structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207397177U (en) |
-
2017
- 2017-10-20 CN CN201721353594.XU patent/CN207397177U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 Termination date: 20211020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |