CN206401560U - A kind of miniature PCB USB connectors - Google Patents
A kind of miniature PCB USB connectors Download PDFInfo
- Publication number
- CN206401560U CN206401560U CN201621198102.XU CN201621198102U CN206401560U CN 206401560 U CN206401560 U CN 206401560U CN 201621198102 U CN201621198102 U CN 201621198102U CN 206401560 U CN206401560 U CN 206401560U
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- China
- Prior art keywords
- pcb
- system board
- usb
- electric capacity
- resistance
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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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of miniature PCB USB connectors, including PCB and USB connectors, the PCB is made up of system board chip, the end face of PCB is electrically connected with USB connectors, the second electric capacity C23 of input parallel connection of system board chip, system board chip electrically connects the 5th resistance R36 one end with the second electric capacity C23 one end, 5th resistance R36 other end connection power supply V positive pole, system board chip is connected power supply V negative pole with the second electric capacity C23 other end.This miniature PCB USB connector, fabric swatch by PCB in overall USB attachment means is designed, circuit board fabric swatch in USB attachment means is reasonable, coordinate the circuit board of compact small size, realization realizes this function at USB line material end, is not take up board area, saves space, circuit board size in the prior art is solved big, the problem of wasting space.
Description
Technical field
The utility model is related to USB connector technical fields, specifically a kind of miniature PCB USB connectors.
Background technology
From the disclosed attachment means being aware of in the prior art for USB or USB joint connection, USB
For example it is common in a computer, for being directly connected to or being connected by connection cable external part or peripheral hardware.External connection portion
Part for example can be that can be also referred to generically as the usb memory stick of USB flash disk.USB flash disk refers to mass storage, its can by USB come
Connection.External part analog such as can also be external hard drive, MP3 player, digital camera.
Circuit board size inside existing USB attachment means is larger, takes board area, wasting space.
Utility model content
The purpose of this utility model is to provide a kind of miniature PCB USB connectors possess saving and take mainboard
The advantage in space, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical scheme：A kind of miniature PCB USB connections
Mouth, including PCB and USB connectors, the PCB are made up of system board chip, the end face of PCB
It is electrically connected with USB connectors, input the second electric capacity C23 of parallel connection of system board chip, system board chip and the second electricity
The one end for holding C23 electrically connects the 5th resistance R36 one end, the 5th resistance R36 other end connection power supply V positive pole, system master
Board chip is connected power supply V negative pole with the second electric capacity C23 other end；The input electrical connection first of the system board chip
Resistance R32, first resistor R32 one end electrically connect the 3rd electric capacity C24 one end and triode Q3 base stage, the 3rd electric capacity C24
The other end and triode Q3 emitter stage be connected to power supply V positive pole；The output end electrical connection of the system board chip
First electric capacity C22 and the 4th resistance R35, another output end of system board chip electrically connects the 6th resistance R37 and ground wire
GND, the 4th resistance R35 and the 6th resistance R37 connect second resistance R33 and 3rd resistor R34 respectively.
It is used as further program of the utility model：The system board chip is MCU.
It is used as further program of the utility model：The colelctor electrode of the triode Q3 electrically connects the first electric capacity C22 and regarded
Frequency bus VBUS.
It is used as further program of the utility model：The size of the PCB is 10.9mm*8.2mm, USB connections
The copper post of mouth is electrically connected on system board chip；The copper post of USB connectors is embedded in system board chip 1.6 mm, USB
The a length of 7.74mm of copper post of connector.
Compared with prior art, the utility model beneficial effect：
This miniature PCB USB connector, the fabric swatch by circuit board in overall USB attachment means is designed, and USB connects
Circuit board fabric swatch in connection device rationally, coordinates the circuit board of compact small size, and realization realizes this function at USB line material end,
It is not take up board area, saves space, it is big to solve circuit board size in the prior art, the problem of wasting space.
Brief description of the drawings
Fig. 1 is PCB electric operation control circuit figure of the present utility model.
In figure：1-PCB wiring boards；11 system board chips；2-USB connectors.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Referring to Fig. 1, in the utility model embodiment, a kind of miniature PCB USB connectors, including PCB circuits
Plate 1 and USB connectors 2, the PCB 1 are made up of system board chip 11, and system board chip 1 is MCU, PCB circuits
The end face of plate 1 is electrically connected with USB connectors 2, input the second electric capacity of parallel connection C23 of system board chip 11, the second electricity
The effect for holding C23 is filtering, eliminates interference of the foreign voltage to system board chip 31, the electric capacity of system board chip 11 and second
C23 one end electrically connects the 5th resistance R36 one end, the 5th resistance R36 other end connection power supply V positive pole, triode Q3
Colelctor electrode electrical connection the first electric capacity C22 and video bus VBUS, the electric capacity C23 of system board chip 11 and second the other end company
Connect power supply V negative pole；Input electrical connection the first resistor R32, first resistor R32 of system board chip 11 one end electrical connection
3rd electric capacity C24 one end and triode Q3 base stage, the 3rd electric capacity C24 other end and triode Q3 emitter stage are connected to
Power supply V positive pole；Output end electrical connection the first electric capacity C22 and the 4th resistance R35 of system board chip 11, system board core
Another output end electrical connection the 6th resistance R37 and ground wire GND of piece 11, the 4th resistance R35 and the 6th resistance R37 connect respectively
Second resistance R33 and 3rd resistor R34, the 4th resistance R35 and the 6th resistance R37 provide preferable ESD protections, circuit board 3 every
From power supply, power supply is just opened when confirmation demand is correct, it is ensured that electrical equipment safety, 15KV ESD impacts, USB can be withstood up to
Rationally, the size of PCB 1 is 10.9mm*8.2mm, the copper post electricity of USB connectors 2 to the fabric swatch of circuit board 3 in attachment means
Property be connected on system board chip 11, the copper posts of USB connectors 2 is embedded in 1.6 mm of system board chip 11, and USB connects
The a length of 7.74mm of copper post of interface 2, coordinates the PCB 1 of compact small size, and realization realizes this function at USB line material end,
It is not take up board area.
In summary：The miniature PCB USB connectors, are designed, cloth by PCB 1 in overall fabric swatch
Plate rationally, coordinates the circuit board of compact small size, and realization realizes this function at USB line material end, is not take up board area, saves
Space, it is big to solve the size of PCB 1 in the prior art, the problem of wasting space.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (4)
1. a kind of miniature PCB USB connectors, including PCB (1) and USB connectors (2), it is characterised in that：Institute
State PCB (1) to be made up of system board chip (11), the end face of PCB (1) is electrically connected with USB connectors
(2), input the second electric capacity C23 of parallel connection of system board chip (11), system board chip (11) and the one of the second electric capacity C23
The 5th resistance R36 of end electrical connection one end, the 5th resistance R36 other end connection power supply V positive pole, system board chip (11)
Power supply V negative pole is connected with the second electric capacity C23 other end；The electricity of input electrical connection first of the system board chip (11)
R32 is hindered, first resistor R32 one end electrically connects the 3rd electric capacity C24 one end and triode Q3 base stage, the 3rd electric capacity C24's
The other end and triode Q3 emitter stage are connected to power supply V positive pole；One output end of the system board chip (11) is electrically connected
The first electric capacity C22 and the 4th resistance R35 is met, another output end of system board chip (11) electrically connects the 6th resistance R37 and connect
Ground wire GND, the 4th resistance R35 and the 6th resistance R37 connect second resistance R33 and 3rd resistor R34 respectively.
2. a kind of miniature PCB USB connectors according to claim 1, it is characterised in that：The system board core
Piece (11) is MCU.
3. a kind of miniature PCB USB connectors according to claim 1, it is characterised in that：The triode Q3's
Colelctor electrode electrically connects the first electric capacity C22 and video bus VBUS.
4. a kind of miniature PCB USB connectors according to claim 1, it is characterised in that：The PCB
(1) size is 10.9mm*8.2mm, and the copper post of USB connectors (2) is electrically connected on system board chip (11)；USB connects
The a length of 7.74mm of copper post of copper post embedded systems mainboard chip (11) 1.6mm, the USB connector (2) of interface (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621198102.XU CN206401560U (en) | 2016-11-07 | 2016-11-07 | A kind of miniature PCB USB connectors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621198102.XU CN206401560U (en) | 2016-11-07 | 2016-11-07 | A kind of miniature PCB USB connectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206401560U true CN206401560U (en) | 2017-08-11 |
Family
ID=59507594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621198102.XU Expired - Fee Related CN206401560U (en) | 2016-11-07 | 2016-11-07 | A kind of miniature PCB USB connectors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206401560U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112492748A (en) * | 2021-01-14 | 2021-03-12 | 四川赛狄信息技术股份公司 | Missile-borne, airborne and vehicle-mounted data processing printed board |
-
2016
- 2016-11-07 CN CN201621198102.XU patent/CN206401560U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112492748A (en) * | 2021-01-14 | 2021-03-12 | 四川赛狄信息技术股份公司 | Missile-borne, airborne and vehicle-mounted data processing printed board |
| CN112492748B (en) * | 2021-01-14 | 2021-04-23 | 四川赛狄信息技术股份公司 | Missile-borne, airborne and vehicle-mounted data processing printed board |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 Termination date: 20191107 |