CN202159328U - USB (universal serial bus) port test device - Google Patents
USB (universal serial bus) port test device Download PDFInfo
- Publication number
- CN202159328U CN202159328U CN2011202277472U CN201120227747U CN202159328U CN 202159328 U CN202159328 U CN 202159328U CN 2011202277472 U CN2011202277472 U CN 2011202277472U CN 201120227747 U CN201120227747 U CN 201120227747U CN 202159328 U CN202159328 U CN 202159328U
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- China
- Prior art keywords
- usb
- triode
- usb port
- proving installation
- public interface
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- Expired - Fee Related
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Abstract
The invention provides a USB (universal serial bus) port test device which comprises a first male port and a second male port; the USB port test device further comprises a test unit and a first female port. The test device comprises a controller, a changeover switch, a USB loopback test module, a USB extended connecting module and a through circuit; wherein the through circuit is electrically connected with the first male port, the controller and the changeover switch; the changeover switch is further electrically connected with the USB loopback test module and the USB extended connecting module respectively. The other end of the USB loopback test module is electrically connected with the second male port; and the other end of the USB extended connecting module is electrically connected with the first female port. When the USB port test device is used for testing a workbench, a USB loopback test mode and a USB data line mode can be conveniently switched, therefore, the operation is convenient, and the damage to the USB port due to frequent plugging in and unplugging can be reduced.
Description
Technical field
The utility model relates to a kind of electric test device, relates in particular to a kind of USB port proving installation.
Background technology
At present, the slip-stick artist generally uses USB (Universal Serial Bus, USB) whether loopback (loopback) tool comes the USB port of tester table normal.Said USB loopback tool generally has first a public interface, second a public interface and the control chip.When testing USB port; A first public interface and second a public interface of said USB loopback tool are received respectively on first USB port to be measured and second USB port to be measured of board; The data that board sends are through first public interface output of this first USB port to be measured and this; These data are changed and transmitted through this control chip, get back to this board through second a public interface and second USB port to be measured, whether the data that detect data that board sends and reception are consistent; Board is redispatched data through second public interface output of this second USB port to be measured and this then; These data are changed and transmitted through this control chip; Get back to this board through first a public interface and first USB port to be measured, whether the data that the detection board sends and the data of reception are consistent.If it is consistent that the data of the data of twice transmission of board and reception remain, judge that then said two USB ports to be measured are all normal.
In the test process of reality, send and receive the inconsistent board no thanks to of data induced fault sometimes, but some files that comprised owing to board software need upgrade or testing software need upgrade and causes.Usually need this moment to use movable storage device to import relevant upgrade patch or updating file, and then test and to obtain test result accurately.Yet when the USB port negligible amounts on the board, the USB port that possibly except the USB port of testing, not have other supplies the movable storage device of storage upgrade patch or updating file to insert.Often need pull up the interface of USB loopback tool to insert movable storage device from the USB port of board this moment; Pull up movable storage device again after importing upgrade patch or updating file; Again plug USB loopback tool and test, frequent like this plug is bigger to the USB port infringement of board.
The utility model content
In view of above content, be necessary to provide a kind of novel USB port proving installation, can possess loopback test function and growth data line function, make operation more convenient.
A kind of USB port proving installation, it comprises first a public interface and second a public interface, this USB port proving installation also comprises a test cell and first a female interface; Said test cell comprises controller, change-over switch, USB loopback test module, USB expansion link block and built-up circuit; Said built-up circuit and said first a public interface, controller and change-over switch electrically connect, and said change-over switch also electrically connects with said USB loopback test module and USB expansion link block respectively; The said USB loopback test module other end and said second public interface electrically connect, and the said USB expansion link block other end and said first female interface electrically connect.
Preferably, said built-up circuit comprises reverser, first triode and second triode; Said controller is electrically connected to the input end of reverser, and the output terminal of this reverser is electrically connected to the base stage of first triode, and the collector of this first triode is electrically connected to first a public interface, and its emitter-base bandgap grading is electrically connected to said change-over switch; The base stage of this second triode is electrically connected between controller and the reverser input end, and its collector is electrically connected between first a public interface and the first triode emitter-base bandgap grading, and its emitter-base bandgap grading is electrically connected to said change-over switch.
Preferably, said first triode and second triode are negative-positive-negative transistor.
Preferably, said first a public interface and second a public interface insert the board USB port respectively, and first a female interface is unsettled, and said controller sends low level, the first triode conducting, and second triode ends.
Preferably, said change-over switch switches to USB loopback test module, and this USB port proving installation carries out the USB loopback test.
Preferably, said first public interface inserts the board USB port, and first female interface inserts movable storage device, and second a public interface is unsettled, and said controller sends high level, the second triode conducting, and first triode ends.
Preferably, said change-over switch switches to USB expansion link block, and this USB port proving installation transmits data as the usb data line between movable storage device and board.
The USB port proving installation of the utility model possesses the loopback test function and prolongs the data line function.When insert first a public interface and second a public interface at board to be measured, can be used for the USB loopback test; When insert first a public interface at board to be measured, insert movable storage device at first female interface, can be used for the common USB data line this moment, and movable storage device and board are carried out data transmission.
The USB port proving installation of the utility model need import the file of upgrade patch or refresh test software when test; Changeable one-tenth USB expansion connection mode; Insert movable storage device easily and import required file, switch to USB loopback test pattern after the importing again, needn't be in the plug continually of board USB port; More convenient to operate, also reduce infringement effectively to the board USB port.
Description of drawings
Fig. 1 is the hardware structure figure of the utility model USB port proving installation preferred embodiment.
Fig. 2 is the built-up circuit of USB port proving installation shown in Figure 1 preferred embodiment and the connection layout of each element.
The main element symbol description
| The USB port proving installation | 100 |
| A first public interface | 10 |
| A second public interface | 30 |
| A first |
50 |
| |
70 |
| |
71 |
| Change-over |
73 |
| USB |
75 |
| USB expands |
77 |
| Built-up |
79 |
| Reverser | F1 |
| First triode | Q1 |
| Second triode | Q2 |
Following embodiment will combine above-mentioned accompanying drawing to further specify the utility model.
Embodiment
See also Fig. 1, the USB port proving installation 100 of the utility model preferred embodiment comprises one first a public interface 10, one second a public interface 30, one first a female interface 50 and a test cell 70.Said first a public interface 10, second a public interface 30 and first a female interface 50 are all through existing connected mode such as data line and test cell 70 electric connections.
Said test cell 70 comprises controller 71, change-over switch 73, USB loopback test module 75, USB expansion link block 77 and built-up circuit 79.Said built-up circuit 79 1 ends and said first a public interface 10 electrically connect.Said controller 71 is electrically connected to built-up circuit 79.Said change-over switch 73 1 ends and controller 71 electrically connect, and its other end electrically connects with said USB loopback test module 75 and USB expansion link block 77 respectively.Said USB loopback test module 75 other ends and said second a public interface 30 electrically connect, and said USB expansion link block 77 other ends and said first a female interface 50 electrically connect.
See also Fig. 2, this built-up circuit 79 comprises a reverser F1, one first triode Q1 and one second triode Q2.In the present embodiment, the said first triode Q1 and the second triode Q2 are negative-positive-negative transistor.Said controller 71 is electrically connected to the input end of reverser F1; The output terminal of this reverser F1 is electrically connected to the base stage of the first triode Q1; The collector of this first triode Q1 is electrically connected to first a public interface 10, and its emitter-base bandgap grading is electrically connected to change-over switch 73.The base stage of the said second triode Q2 is electrically connected between controller 71 and the reverser F1 input end, and its collector is electrically connected between first a public interface 10 and the first triode Q1 emitter-base bandgap grading, and its emitter-base bandgap grading is electrically connected to change-over switch 73.
Please consult Fig. 1 and Fig. 2 in the lump, when 100 pairs of board testing USB ports of this USB port proving installation are tested, insert said first a public interface 10 and second a public interface 30 simultaneously at the USB port of board, said first mother's interface 50 is unsettled.Said test cell 70 powers on; Said controller 71 sends low level; The base stage that outputs to the first triode Q1 through reverser F1 is a high level, first triode Q1 conducting this moment, and the second triode Q2 ends; This moment, change-over switch 73 was connected to said USB loopback test module 75, and 100 pairs of board USB ports of this USB port proving installation carry out the loopback test of USB.When the updating file of upgrade patch that the time needs import system in test or testing software; The connection status that keeps first a public interface 10 and board USB port; Pull up second a public interface 30 of access; Again movable storage device (figure does not show) is linked into said first a female interface 50, said second a public interface 30 is unsettled.Said controller 71 sends high level; The base stage that outputs to the first triode Q1 through reverser F1 is a low level; This moment, the first triode Q1 ended, the second triode Q2 conducting, and this moment, change-over switch 73 was connected to said USB expansion link block 77; This USB port proving installation 100 is realized the exchanges data of movable storage device (figure does not show) and board as the prolongation data line of USB.After importing required file; The connection status that keeps first a public interface 10 and board USB port; Movable storage device (figure does not show) is pulled up from said first a female interface 50, inserted said second a public interface 30 toward the board USB port again, can carry out the USB loopback test again.
Compared to prior art; The USB port proving installation 100 of the utility model preferred embodiment possesses the dual-use function of USB loopback test and data line; When the updating file of upgrade patch that the time needs import system in test or testing software; Only need pull up said second a public interface 30, again movable storage device is linked into said first a female interface 50, so switch to USB expansion connection mode and import required file; Import and pull up from first a female interface 50 after file is accomplished, insert second a public interface 30 toward the board USB port again, so switch to USB loopback test pattern; USB loopback test and access movable storage device all directly switch at this USB port proving installation 100, and be so more convenient to operate.A first public interface 10 remains the access state with board in handoff procedure; When inserting memory device, needn't USB port proving installation 100 two ends all be pulled up because of the USB port lazy weight of board; Thereby reduced the plug frequency of board USB port, and reduced infringement it.
Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although the utility model is specified with reference to preferred embodiment; Those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement the technical scheme of the utility model, and not break away from the spirit and the scope of the utility model technical scheme.
Claims (7)
1. USB port proving installation, it comprises first a public interface and second a public interface, it is characterized in that: this USB port proving installation also comprises a test cell and first a female interface; Said test cell comprises controller, change-over switch, USB loopback test module, USB expansion link block and built-up circuit; Said built-up circuit and said first a public interface, controller and change-over switch electrically connect, and said change-over switch also electrically connects with said USB loopback test module and USB expansion link block respectively; The said USB loopback test module other end and said second public interface electrically connect, and the said USB expansion link block other end and said first female interface electrically connect.
2. USB port proving installation as claimed in claim 1 is characterized in that: said built-up circuit comprises reverser, first triode and second triode; Said controller is electrically connected to the input end of reverser, and the output terminal of this reverser is electrically connected to the base stage of first triode, and the collector of this first triode is electrically connected to first a public interface, and its emitter-base bandgap grading is electrically connected to said change-over switch; The base stage of this second triode is electrically connected between controller and the reverser input end, and its collector is electrically connected between first a public interface and the first triode emitter-base bandgap grading, and its emitter-base bandgap grading is electrically connected to said change-over switch.
3. USB port proving installation as claimed in claim 2 is characterized in that: said first triode and second triode are negative-positive-negative transistor.
4. USB port proving installation as claimed in claim 1; It is characterized in that: said first a public interface and second a public interface insert the board USB port respectively, and first a female interface is unsettled, and said controller sends low level; The first triode conducting, second triode ends.
5. USB port proving installation as claimed in claim 4 is characterized in that: said change-over switch switches to USB loopback test module, and this USB port proving installation carries out the USB loopback test.
6. USB port proving installation as claimed in claim 1 is characterized in that: said first public interface inserts the board USB port, and first female interface inserts movable storage device; A second public interface is unsettled; Said controller sends high level, the second triode conducting, and first triode ends.
7. USB port proving installation as claimed in claim 6 is characterized in that: said change-over switch switches to USB expansion link block, and this USB port proving installation transmits data as the usb data line between movable storage device and board.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202277472U CN202159328U (en) | 2011-06-30 | 2011-06-30 | USB (universal serial bus) port test device |
| TW100212189U TWM427609U (en) | 2011-06-30 | 2011-07-04 | USB port testing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202277472U CN202159328U (en) | 2011-06-30 | 2011-06-30 | USB (universal serial bus) port test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202159328U true CN202159328U (en) | 2012-03-07 |
Family
ID=45766958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202277472U Expired - Fee Related CN202159328U (en) | 2011-06-30 | 2011-06-30 | USB (universal serial bus) port test device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202159328U (en) |
| TW (1) | TWM427609U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104391200A (en) * | 2014-11-27 | 2015-03-04 | 英业达科技有限公司 | Connection port test device |
| CN104809088A (en) * | 2014-01-27 | 2015-07-29 | 新唐科技股份有限公司 | Connecting device and control chip and control method thereof |
| CN105846263A (en) * | 2016-03-23 | 2016-08-10 | 广东欧珀移动通信有限公司 | USB adapter cable, charging testing method and charging testing system of mobile terminal |
| CN104090198B (en) * | 2014-07-02 | 2017-01-04 | 长芯盛（武汉）科技有限公司 | A kind of USB 3.0 testing lines method and test device thereof |
| CN106649013A (en) * | 2016-12-19 | 2017-05-10 | 捷开通讯(深圳)有限公司 | Usb port testing device |
| CN110968004A (en) * | 2019-12-10 | 2020-04-07 | 思尔芯(上海)信息科技有限公司 | Cable test system and method based on FPGA prototype verification development board |
| CN113725685A (en) * | 2021-08-26 | 2021-11-30 | 展讯通信（上海）有限公司 | Pressure test switching device, system and method |
-
2011
- 2011-06-30 CN CN2011202277472U patent/CN202159328U/en not_active Expired - Fee Related
- 2011-07-04 TW TW100212189U patent/TWM427609U/en not_active IP Right Cessation
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104809088A (en) * | 2014-01-27 | 2015-07-29 | 新唐科技股份有限公司 | Connecting device and control chip and control method thereof |
| CN104809088B (en) * | 2014-01-27 | 2018-11-06 | 新唐科技股份有限公司 | Connecting device and control chip and control method thereof |
| CN104090198B (en) * | 2014-07-02 | 2017-01-04 | 长芯盛（武汉）科技有限公司 | A kind of USB 3.0 testing lines method and test device thereof |
| CN104391200A (en) * | 2014-11-27 | 2015-03-04 | 英业达科技有限公司 | Connection port test device |
| CN105846263A (en) * | 2016-03-23 | 2016-08-10 | 广东欧珀移动通信有限公司 | USB adapter cable, charging testing method and charging testing system of mobile terminal |
| CN105846263B (en) * | 2016-03-23 | 2018-02-02 | 广东欧珀移动通信有限公司 | A kind of charging measurement method and system of mobile terminal |
| CN106649013A (en) * | 2016-12-19 | 2017-05-10 | 捷开通讯(深圳)有限公司 | Usb port testing device |
| CN110968004A (en) * | 2019-12-10 | 2020-04-07 | 思尔芯(上海)信息科技有限公司 | Cable test system and method based on FPGA prototype verification development board |
| CN113725685A (en) * | 2021-08-26 | 2021-11-30 | 展讯通信（上海）有限公司 | Pressure test switching device, system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM427609U (en) | 2012-04-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120307 Termination date: 20140630 |
|
| EXPY | Termination of patent right or utility model |