CN208092720U - A kind of making sheet circuit showing equipment and its USB interface - Google Patents
A kind of making sheet circuit showing equipment and its USB interface Download PDFInfo
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- CN208092720U CN208092720U CN201820347638.6U CN201820347638U CN208092720U CN 208092720 U CN208092720 U CN 208092720U CN 201820347638 U CN201820347638 U CN 201820347638U CN 208092720 U CN208092720 U CN 208092720U
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- micro usb
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Abstract
The utility model discloses a kind of display equipment and its making sheet circuits of compatible Type C interface and MICRO USB interfaces.Making sheet circuit includes Type C interface module and MICRO usb interface modules, and the conversion module that Type C interface module or MICRO usb interface modules are connect with the main control module of display equipment, Type C interface module or MICRO usb interface modules is set to pass through conversion module and connect the main control module for showing equipment according to Type C interface module, the selection situation of MICRO usb interface modules.The utility model when replacing USB Type, only needs to change material, no longer needs to redesign pcb board, greatly reduce design cost, shorten the design cycle by being arranged Type C interface module and MICRO usb interface modules in the same making sheet circuit.
Description
Technical field
The utility model is related to show the system of the making sheet technology of equipment, more particularly to a kind of display equipment and its USB interface
Plate circuit.
Background technology
Currently, on tablet computer common USB Type mainly have TYPE C (Type-C be USB interface a kind of connection be situated between
Face) interface and MICRO USB (Micro-USB connectors save space than standard USB and Mini-USB connector smallers) connect
Mouthful, when the PCB of tablet will will make TYPE C USB by the design of MICRO USB interfaces, need to redesign pcb board, pcb board
It is also required to rewiring, such design cost will improve, and the design cycle is long.Such as my a tablet computer
Pcb board is designed by Micro USB, but when client wants Type C interface, it is necessary to redesign again one piece it is new
Pcb board, at least take 30 day time from changing plate and going out model to patch, cost at least wants 5000 yuan.
Utility model content
Place in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of display equipment and its
The making sheet circuit of USB interface can be compatible with Type C interface and MICRO USB interfaces.
In order to solve the above technical problems, the utility model takes following technical scheme：
A kind of making sheet circuit of compatible Type C interface and MICRO USB interfaces, including Type C interface module and MICRO
Usb interface module, and Type C interface moulds are made according to Type C interface module, the selection situation of MICRO usb interface modules
The conversion module that block or MICRO usb interface modules are connect with the main control module of display equipment, the Type C interface module or
MICRO usb interface modules connect the main control module for showing equipment by conversion module.
In the making sheet circuit of the compatibility Type C interface and MICRO USB interfaces, the Type C interface module packet
Type C interface is included, MICRO usb interface modules include MICRO USB interfaces, and the conversion module includes first resistor, second
Resistance, 3rd resistor and the 4th resistance, the 3rd foot of the MICRO USB interfaces connect the DP of main control module by first resistor
End, the 2nd foot of MICRO USB interfaces connect the ends DM of main control module by second resistance, and the DP2 feet of the Type C interface are logical
The ends DP of 3rd resistor connection main control module are crossed, the DN2 feet of Type C interface connect the ends DM of main control module by the 4th resistance.
In the making sheet circuit of the compatibility Type C interface and MICRO USB interfaces, the first resistor, second resistance
It is 0 Europe resistance for 0 Europe resistance or 3rd resistor and the 4th resistance.
In the making sheet circuit of the compatibility Type C interface and MICRO USB interfaces, the main control module includes model
For the main control chip of MT8735, the ends USB_DP of the main control chip connect one end of one end and 3rd resistor of first resistor,
One end of one end and the 4th resistance of the ends the USB_DM connection second resistance of the main control chip.
A kind of display equipment, including mainboard, the mainboard are provided with the system of compatible Type C interface and MICRO USB interfaces
Plate circuit.
The display equipment is tablet computer, smart mobile phone, television set or computer.
Compared to the prior art, display equipment provided by the utility model and its compatible Type C interface and MICRO USB
The making sheet circuit of interface.Making sheet circuit includes Type C interface module and MICRO usb interface modules, and is connect according to Type C
Mouth mold block, MICRO usb interface modules selection situation so that Type C interface module or MICRO usb interface modules and display is set
The conversion module of standby main control module connection, the Type C interface module or MICRO usb interface modules pass through conversion module
Connection shows the main control module of equipment.The utility model is by the way that Type C interface module and MICRO usb interface modules to be arranged
In the same making sheet circuit, when replacing USB Type, material is only needed to change, no longer needs to redesign pcb board, significantly
Reduce design cost, shorten the design cycle, reduces research and development of products and maintenance cost.
Description of the drawings
Fig. 1 is the circuit diagram of the making sheet circuit of compatible Type C interface provided by the utility model and MICRO USB interfaces.
Fig. 2 is the circuit diagram of the main control module of display equipment provided by the utility model.
Fig. 3 is the mainboard structure schematic diagram of display equipment provided by the utility model.
Specific implementation mode
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 will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
It should be noted that when component is referred to as on " being installed in ", " being fixed on " or " being set to " another component, it can
Directly on another component or may be simultaneously present component placed in the middle.When a component be known as " being connected to " another
Component, it can be directly to another component or may be simultaneously present component placed in the middle.
Only it is each other relatively it should also be noted that, the orientation term such as left and right, upper and lower in the utility model embodiment
Concept or be reference with the normal operating condition of product, and should not be regarded as restrictive.
It please refers to Fig.1 and Fig. 2, the making sheet of compatible Type C interface and MICRO USB interfaces provided by the utility model is electric
Road includes Type C interface module 10 and MICRO usb interface modules 20, and according to Type C interface module 10,
The selection situation of MICRO usb interface modules 20 makes Type C interface module 10 or MICRO usb interface modules 20 be set with display
The conversion module 30 of standby main control module connection, the Type C interface module 10 or MICRO usb interface modules 20 are by turning
Change the mold the main control module that the connection of block 30 shows equipment.
The utility model is by being arranged Type C interface module and MICRO usb interface modules in the same making sheet circuit
In, when replacing USB Type, material is only needed to change, no longer needs to redesign pcb board, greatly reduces design cost contracting
The short design cycle, reduce research and development of products and maintenance cost.
In the present embodiment, the Type C interface module 10 is wrapped including Type C interface J1, MICRO usb interface module 20
MICRO USB interfaces J2 is included, the conversion module includes first resistor R1, second resistance R2,3rd resistor R3 and the 4th resistance
The 3rd foot of R4, the MICRO USB interfaces J2 pass through the ends DP of first resistor R1 connection main control modules, MICRO USB interfaces J2
The 2nd foot by the ends DM of second resistance R2 connection main control modules, the DP2 feet of the Type C interface J1 pass through 3rd resistor R3
Connect the ends DP of main control module, the ends DM that the DN2 feet of Type C interface J1 pass through the 4th resistance R4 connection main control modules.
In the present embodiment, the first resistor R1, second resistance R2 are 0 Europe resistance or 3rd resistor R3 and the 4th electricity
Resistance R4 is 0 Europe resistance.The main control module includes the main control chip of model MT8735, and the ends USB_DP of the main control chip connect
One end of one end and 3rd resistor R3 of first resistor R1 is connect, the ends USB_DM of the main control chip connect the one of second resistance R2
The one end at end and the 4th resistance R4.
Should illustrate when, it is other due to Type C interface module 10, MICRO usb interface modules 20 and main control module
Electronic component and circuit structure part are the prior art, and are not the protection points of the utility model, are not described in detail herein.
In making sheet, Type C interface and both interface types of MICRO the USB interfaces cloth all on pcb board (i.e. mainboard)
Line need to only select dress patch when SMT (Surface Mount Technology, surface installation technique) is filled and pasted according to USB Type
Corresponding USB port and its correlative, conversion module mould four resistance in the block is also according to the USB Type selectively corresponding resistance of dress patch
The resistance of value, and the corresponding resistance of a further type of USB then uses 0 Europe resistance.
TYPE C USB and MICRO USB by having been done compatible design by the utility model on same pcb board, from master
The usb signal that control chip comes out is divided into two through two groups of jumper connection resistance (first resistor, second resistance and 3rd resistor, the 4th resistance)
Road is coupled on type c USB and Micro USB, is only needed when needing the when of pasting TYPE C USB being connected on MICRO USB's
Resistance sky pastes (i.e. first resistor and second resistance), be connected on TYPE C USB resistance ((i.e. 3rd resistor and the 4th it is electric
Resistance)) it sticks.Similarly, when needing the when of pasting MICRO USB only to need the resistance sky patch for being connected on TYPE C USB, being connected on
The resistance of Micro USB sticks, and without redesigning pcb board again, greatly reduces design cost and shortens the design cycle.
In order to be better understood from the making sheet circuit of the utility model, the production method of the utility model is said below
It is bright：
The first step：Bill of materials is generated by the circuit diagram of Fig. 1 and Fig. 2.In bill of materials can be directed to TYPEC USB and
The material that Micro USB are used individually makes option, and option output is carried out according to customer demand, ensures finished product and the client of production
Demand is consistent.
Second step：PCB generates making sheet file and production file.
Third walks：Material is responsible for be attached on pcb board by SMT production plants.
4th step：Functional test is carried out to the product produced.
Based on the making sheet circuit of above-mentioned compatibility Type C interface and MICRO USB interfaces, the utility model also provides one
Kind shows equipment, as shown in Figure 3 comprising mainboard, the mainboard is provided with to be connect for being compatible with Type C interface and MICRO USB
The making sheet circuit of mouth.The display equipment is tablet computer, smart mobile phone, touch-control television set, touch control computer etc., in patch,
It need to only be filled according to the USB Type of selection and paste corresponding material, it is not necessary to modify pcb boards.
In conclusion the utility model is by being arranged Type C interface module and MICRO usb interface modules same
In a making sheet circuit, when replacing USB Type, material is only needed to change, no longer needs to redesign pcb board, greatly reduce
Design cost shortens the design cycle, reduces research and development of products and maintenance cost.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement should all belong to appended by the utility model
Scope of the claims.
Claims (6)
1. a kind of making sheet circuit of compatible Type C interface and MICRO USB interfaces, which is characterized in that including Type C interface moulds
Block and MICRO usb interface modules, and made according to Type C interface module, the selection situation of MICRO usb interface modules
The conversion module that Type C interface module or MICRO usb interface modules are connect with the main control module of display equipment, the Type
C interface module or MICRO usb interface modules connect the main control module for showing equipment by conversion module.
2. the making sheet circuit of compatible Type C interface and MICRO USB interfaces according to claim 1, which is characterized in that
The Type C interface module includes Type C interface, and MICRO usb interface modules include MICRO USB interfaces, the conversion
Module includes first resistor, second resistance, 3rd resistor and the 4th resistance, and the 3rd foot of the MICRO USB interfaces passes through first
Resistance connects the ends DP of main control module, and the 2nd foot of MICRO USB interfaces connects the ends DM of main control module, institute by second resistance
The DP2 feet for stating Type C interface connect the ends DP of main control module by 3rd resistor, and the DN2 feet of Type C interface pass through the 4th electricity
The ends DM of resistance connection main control module.
3. the making sheet circuit of compatible Type C interface and MICRO USB interfaces according to claim 2, which is characterized in that
The first resistor, second resistance are 0 Europe resistance or 3rd resistor and the 4th resistance is 0 Europe resistance.
4. the making sheet circuit of compatible Type C interface and MICRO USB interfaces according to claim 2, which is characterized in that
The main control module includes the main control chip of model MT8735, and the ends USB_DP of the main control chip connect the one of first resistor
The one end at end and 3rd resistor, one end of one end and the 4th resistance of the ends the USB_DM connection second resistance of the main control chip.
5. a kind of display equipment, including mainboard, which is characterized in that the mainboard is arranged just like claim 1-4 any one institute
The making sheet circuit of the compatibility Type C interface and MICRO USB interfaces stated.
6. display equipment according to claim 5, which is characterized in that the display equipment be tablet computer, smart mobile phone,
Television set or computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820347638.6U CN208092720U (en) | 2018-03-14 | 2018-03-14 | A kind of making sheet circuit showing equipment and its USB interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820347638.6U CN208092720U (en) | 2018-03-14 | 2018-03-14 | A kind of making sheet circuit showing equipment and its USB interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208092720U true CN208092720U (en) | 2018-11-13 |
Family
ID=64062687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820347638.6U Active CN208092720U (en) | 2018-03-14 | 2018-03-14 | A kind of making sheet circuit showing equipment and its USB interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208092720U (en) |
-
2018
- 2018-03-14 CN CN201820347638.6U patent/CN208092720U/en active Active
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