CN107766187A - It is a kind of to support the reliability of multi-USB interface equipment is same to survey device and method - Google Patents
It is a kind of to support the reliability of multi-USB interface equipment is same to survey device and method Download PDFInfo
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- CN107766187A CN107766187A CN201710948216.4A CN201710948216A CN107766187A CN 107766187 A CN107766187 A CN 107766187A CN 201710948216 A CN201710948216 A CN 201710948216A CN 107766187 A CN107766187 A CN 107766187A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
- G06F11/221—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test buses, lines or interfaces, e.g. stuck-at or open line faults
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
- G06F11/2221—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test input/output devices or peripheral units
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2247—Verification or detection of system hardware configuration
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2273—Test methods
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Quality & Reliability (AREA)
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- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a kind of reliability for supporting multi-USB interface equipment with device and method is surveyed, the device includes：Multichannel programmable power supply control module, USB multichannels link block, multi channel currents monitoring module, microcontroller and USB interface plug-in unit.Described support multi-USB interface equipment dependability is same to survey device, it can be worked at 40 DEG C and 125 DEG C, with working power, the ability for the operating current for controlling the cut-out and connection of USB interface device and PC and each USB interface device being detected in the USB interface device course of work that can control USB interface device, there is the reliability communicated when realizing long under high/low temperature to multi-USB interface equipment with survey ability.
Description
Technical field
It is particularly a kind of to support multi-USB interface to set the present invention relates to the reliability test device of USB interface device and method
Apparatus and method of the standby reliability with measurement equipment.
Background technology
With rapid development of information technology, computer and ancillary equipment communication importance increasingly strengthen, and transmission speed is fast, even
The USB interface for connecing simplicity is the most common interface for realizing communication, and it has following characteristics：
● easy to use, hot plug and plug-and-play feature；
● transmission speed is fast；
● support asynchronous and synchronous transmission；
● data transfer is reliable；
● connection is flexible；
● independently-powered, little power consumption；
● interface flexible is convenient, is easy to the functions such as extension.
With the extensive use of USB interface, increasing equipment carries USB interface, but part USB interface device needs
Prolonged application is wanted under the adverse circumstances such as high temperature, low temperature, and enormous amount sometimes.Therefore these USB interface devices are assessed
Performance is very necessary, and this requires that test equipment has following characteristic：
1st, work when test equipment also can carry out long under high temperature and low temperature；
2nd, test equipment needs to support multiple USB interface devices with surveying, to avoid the single each USB interface device of examination from spending
Plenty of time.
But the performance very very severe of multi-USB interface equipment is examined in short-term, because easily occurring very in test process
More problems：
First, these equipment are put into inside incubator, numerous USB data lines is connected on PC, and data wire is various and miscellaneous
Disorderly, once indivedual USB interface device tests go wrong, query facility is inconvenient.
Secondly, powered using HUB and PC, operating voltage fixation is immutable, the problem of power supply is not changeable be present, surveys
The operating voltage of USB interface device can not flexibly be switched during examination, it is impossible to examine USB interface device under different operating voltage
Performance.
3rd, numerous USB data lines do not only take up the inner space of incubator, and easily draw through incubator connection PC
Gap be present between rising inside and outside incubator, incubator is not easy to ensure constant temperature, influences performance evaluation result.
Therefore, a kind of reliability that can realize USB interface device with survey device there is an urgent need to.
The content of the invention
The technical problems to be solved by the invention, how one kind is provided and supports multi-USB interface equipment dependability is same to survey device
Realize the Performance Evaluation of multiple USB interface devices.The device can connect a number of USB interface device first, ensure USB
Interface equipment accurately communicates with PC.Secondly, USB interface device can be connected directly between on the same survey device, without
Cable, reduce occupancy of the cable to incubator inner space.3rd, multichannel programmable power supply module can be individually to per all the way
USB interface device carries out the management and control of power supply；4th, USB multichannel link block can control each USB interface device
With the interconnection situation of PC；5th, multi channel currents monitoring module can monitor the operating current of each USB interface device, and one
Denier finds current anomaly, can directly cut off each equipment and USB multi-paths link block, the company of programmable power supply control module
Connect, so as to cut off the power supply of USB interface device, to protect USB is same to survey device.
Coupling apparatus, test process of the present invention mainly include：
Initialization：, should according to user after USB interface device surveys device by the way that USB interface plug-in unit connection reliability is same
Required for scene, PC by reliability with survey device send order control multichannel programmable power supply control module to
USB interface device provides the supply voltage required for work；Open the channel switch of multi channel currents monitoring module, USB interface
Device power initializes, now multi channel currents monitoring module monitoring electric current, judges whether work exception and decides whether
Disconnect.
With survey work：After beginningization is completed, connection is established by USB multichannels link block and PC and communicated just with PC
Often.If reliability detects current anomaly with the multi channel currents monitoring module block for surveying device, cut off the control of current channel to
Mono- feedback signal annunciator operation irregularity of PC, stop test；If test intermediate user needs replacing operating voltage to send out
Order of losing one's life informs that reliability with device is surveyed, switches the operating voltage of USB interface device；PC is obtained in real time by order in the course of work
Take the operating current and working power voltage situation of each passage.
Test terminates：Current a certain USB interface device is needed to terminate to test because of operation irregularity or completion test, and PC is sent
Order informs that reliability with the connection for surveying device disconnection USB interface device, stops current test；Other USB interface devices continue
Test, until completing all reliabilities that are connected to the USB interface device surveyed on device.
It is a kind of to support the reliability of multi-USB interface equipment is same to survey device, including：Multichannel programmable power supply control module,
USB multichannels link block, multi channel currents monitoring module, microcontroller and USB interface plug-in unit；Wherein, multichannel may be programmed
Energy supply control module can be independent provide different and accurately operating voltage to each passage；USB multichannels link block with
Multi channel currents monitoring module is connected, the alternating transmission for the usb data being responsible between USB interface device and PC, and passes through more HUB
Chip cascade realizes the connection of multiple USB interface devices and PC, is finally only connected by a USB transmission line with PC, real
The parallel same survey of existing multiple USB interface devices and PC；Multi channel currents monitoring module realizes the device current of multiple paths
Monitoring, once find current anomaly, microcontroller then control relay cut off each equipment and USB multi-paths link block, can
Program the connection of energy supply control module；Microcontroller respectively with multichannel programmable power supply module and multi channel currents monitoring module
Connection, microcontroller control the switching of multichannel programmable power supply module, multi channel currents to supervise by receiving the instruction of PC
Control the current monitoring and passage break-make of module；USB interface plug-in unit is responsible for external USB interface equipment and multi channel currents monitoring mould
The connection of block.
Described USB multichannel link blocks, can be realized by USBHUB chips, real by multiple HUB chip cascades
The connection of existing multiple USB interface devices and PC, while each core is controlled by relay (such as G5V-2-H1 and G5V-1 etc.)
The connection of piece and PC.
Multichannel programmable power supply module (mainly being realized using ADS8326 and DAC7311) is responsible for carrying to USB interface device
For accurately supply voltage, meet testing requirement of the USB interface device to different electrical power voltage.
Multi channel currents monitoring module, which is used to monitoring the operating current of USB interface device, once to note abnormalities, will pass through after
Electrical equipment cut off the electricity supply connection and data path connection.Multi channel currents monitoring module is by relay assembly module and current sample
Module is formed, and its current sample module is realized by circuit designs such as AD conversion chip and divider resistances, power path and communication
The break-make control of path is realized by relay；Power supply feedback module can be realized by microprocessor and a/d converter, by micro-
The numerical value of processor oversampling A/D-converter obtains the operating current of USB interface device, and microprocessor is realized logical to Control
Interrogate the switching of path and power path.
Microcontroller mainly has following three functions：Programmable power supply module is controlled to provide accurate power supply；Receive electric current prison
Control the feedback signal of module；Control electric current monitoring module cuts off the connection of equipment and programmable power supply module.
USB interface plug-in unit is mainly responsible for external equipment and the physical connection with survey device.
USB interface plug-in unit in the present apparatus is realized using USB-A types or USB-B types interface.
In the present invention, described multi-USB interface reliability has microprocessor (STM32F407ZGT6), USB with device is surveyed
The key feature of the single-chips such as interface, SPI interface.
Having in the present invention to control circuit, chip and relay etc. can be at low temperature (- 40 DEG C) to high temperature (125 DEG C)
At a temperature of the key feature that works.
Brief description of the drawings
Fig. 1 is the theory diagram of apparatus of the present invention.
Fig. 2 is apparatus of the present invention operation principle schematic block diagram.
Fig. 3 is multi channel currents monitoring, the control of multichannel programmable power supply and USB multichannel link block theory diagrams.
Fig. 4 is the theory diagram of single channel current monitoring module.
Fig. 5 is the theory diagram of single channel programmable power supply module.
Embodiment
Below in conjunction with the accompanying drawings, the advantageous embodiments of the present invention are described in detail, during the present invention is explained, omission pair
The detailed description of known function and structure.
In summary, the present invention is that one kind supports multi-USB interface equipment dependability with device (as shown in Figure 1) is surveyed, to pass through
The device can realize the reliability of multiple USB interface devices with survey.Fig. 2 is that the principle of example of the present invention is shown
Meaning.Multiple USB interface devices (such as USB flash disk, UKEY) pass through passage of the USB interface difference directly with multi channel currents monitoring modular
A1 ... passages AN, passage B1 ... passages XN connections, multi channel currents monitoring modular is by X*N single channel current monitoring module
Composition, each single channel current monitoring module (as shown in Figure 4) monitor each USB interface by the current acquisition module of inside and set
The operating current of standby (such as USB flash disk, UKEY), when monitoring current anomaly, can directly be cut off each by relay assembly module
The connection of equipment and USB multi-paths link block, programmable power supply control module, so as to cut off the electricity of cut-out USB interface device
Source, to protect USB is same to survey device.Multi channel currents monitoring modular is connected with USB multichannel link blocks, is USB interface device
USB data transmission is provided, wherein USB multichannels link block is by multiple HUB chips (USBHUBA, USBHUBB ...
USBHUBX) cascaded and formed by cable, each HUB chips can be realized by GL580A, can support/connect N number of single channel simultaneously
Current monitoring module (passage A1 ... passage AN).The connection of USB multichannels link block is connected with PC, and passes through Control
The connection of each HUB chips and PC.Multi channel currents monitoring modular is connected with multichannel programmable power supply control module, and is
X*N USB interface device provides working power.Multichannel programmable power supply control module is by X*N single channel programmable power supply
Control module forms.Each single channel programmable power supply control module (as shown in Figure 5) is exported by power supply feedback module and power supply
Module forms, and provides accurately supply voltage for the USB interface device of each passage, meets USB interface device to different electrical power
The testing requirement of voltage.Fig. 3 is that multi channel currents monitoring, the control of multichannel programmable power supply and USB multichannels link block are former
Block diagram is managed, wherein multi channel currents monitoring module and multichannel programmable power supply control module is made up of N number of single channel module,
USB multichannels link block is made up of multiple HUB.
Only to be illustrated herein with single USB interface device working method, multiple USB interface device working methods are identical, with
The mode of poll tests multiple USB interface devices.Present apparatus main embodiment is as follows：
Initialization：After USB interface device surveys device by the way that USB interface plug-in unit connection reliability is same, according to user
Required for application scenarios, PC by reliability with survey device send order control multichannel programmable power supply control module to
USB interface device provides the supply voltage required for work.Secondly, reliability opens multi channel currents monitoring module with device is surveyed
Channel switch, USB interface device power-up initializing, now multi channel currents monitoring module monitoring electric current, judges work
Whether exception and decide whether to disconnect.
With survey work：After USB interface device, which initializes, to be completed, established and connected by USB multichannels link block and PC
Connect and normal with PC communication.The big data quantity that PC starts to send when order carries out long with USB interface device afterwards communicates.
In the course of work, if reliability detects current anomaly with the multi channel currents monitoring module block for surveying device, it can cut off current logical
The control in road gives PC mono- feedback signal annunciator operation irregularity, stops test；If test intermediate user needs more to change jobs
Voltage can send order and inform that reliability with device is surveyed, switches the operating voltage of USB interface device.PC can be with the course of work
Obtain the operating current and working power voltage situation of each passage in real time by order.
Test terminates：If current a certain USB interface device needs to terminate to test because of operation irregularity or completion test, now
PC can send order and inform that reliability with the connection for surveying device disconnection USB interface device, stops current test.Other USB connect
Jaws equipment continues to test, until completing all reliabilities that are connected to the USB interface device surveyed on device.
Claims (7)
1. a kind of support the reliability of multi-USB interface equipment is same to survey device, including：Multichannel programmable power supply control module, USB
Multichannel link block, multi channel currents monitoring module, microcontroller and USB interface plug-in unit；Wherein, multichannel programmable power supply
Control module can be independent provide different and accurately operating voltage to each passage；USB multichannels link block with leading to more
Road current monitoring module is connected, the alternating transmission for the usb data being responsible between USB interface device and PC, and passes through more HUB chips
The connection of multiple USB interface devices and PC is realized in cascade, is finally only connected by a USB transmission line with PC, is realized more
The parallel same survey of individual USB interface device and PC；Multi channel currents monitoring module realizes the monitoring of the device current of multiple paths,
Once it was found that current anomaly, then control relay cuts off each equipment and USB multi-paths link block, programmable electricity to microcontroller
The connection of source control module；Microcontroller is connected with multichannel programmable power supply module and multi channel currents monitoring module respectively,
Microcontroller controls the switching of multichannel programmable power supply module, multi channel currents monitoring module by receiving the instruction of PC
Current monitoring and passage break-make；USB interface plug-in unit is responsible for the company of external USB interface equipment and multi channel currents monitoring module
Connect.
2. reliability according to claim 1 is same to survey device, it is characterised in that the reliability is the same as all electricity on survey device
Road component and interface card are operated in when can be long at technical grade temperature (- 40 DEG C~125 DEG C).
3. reliability according to claim 1 is same to survey device, it is characterised in that：Described multichannel programmable power supply control
Module can be realized independently-powered to each passage, and the control of programmable power supply can be realized by microprocessor.
4. reliability according to claim 1 is same to survey device, it is characterised in that：Described USB multichannels link block by
The cascade of multiple HUB chips (GL580A), realize multiple USB interface devices and PC connection and with PC it is long when it is stable communicate, so as to
Realize the same survey of multi-USB interface equipment.
5. reliability according to claim 1 is the same as surveying device, it is characterised in that the multi channel currents monitoring module and
The USB interface of USB multichannel link blocks supports USB-A types and USB-B types.
6. reliability according to claim 1 is same to survey device, it is characterised in that：Described multi channel currents monitoring module by
Relay assembly module and current sample module composition, wherein current sample module passes through the electricity such as AD conversion chip and divider resistance
Road design realizes that the break-make control of power path and communication channel is realized by relay；Power supply feedback module can be by micro-
Manage device and a/d converter is realized, the operating current of USB interface device is obtained by the numerical value of microprocessor samples a/d converter, it is micro-
Processor realizes the switching of communication channel and power path to Control.
7. a kind of reliability simultaneous test method for supporting multi-USB interface equipment, dress is surveyed based on the reliability described in claim 1 together
Put, it is characterised in that mainly include：
Initialization：PC with device is surveyed to reliability by sending order control multichannel programmable power supply control module to USB
Interface equipment provides the supply voltage required for work；Open the channel switch of multi channel currents monitoring module, USB interface device
Power-up initializing, now multi channel currents monitoring module monitoring electric current judge whether work exception and decides whether to disconnect
Connection；
With survey work：If reliability detects current anomaly with the multi channel currents monitoring module block for surveying device, cut off current logical
The control in road gives PC mono- feedback signal annunciator operation irregularity, stops test；If test intermediate user needs more to change jobs
Voltage can send order and inform that reliability with device is surveyed, switches the operating voltage of USB interface device；PC passes through in the course of work
Order obtains the operating current and working power voltage situation of each passage in real time；
Test terminates：Current a certain USB interface device is needed to terminate to test because of operation irregularity or completion test, and PC, which is sent, to be ordered
Inform that reliability with the connection for surveying device disconnection USB interface device, stops current test；Other USB interface devices continue to test,
Until all reliabilities that are connected to are completed with the USB interface device surveyed on device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710948216.4A CN107766187A (en) | 2017-10-12 | 2017-10-12 | It is a kind of to support the reliability of multi-USB interface equipment is same to survey device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710948216.4A CN107766187A (en) | 2017-10-12 | 2017-10-12 | It is a kind of to support the reliability of multi-USB interface equipment is same to survey device and method |
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| CN107766187A true CN107766187A (en) | 2018-03-06 |
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| CN201710948216.4A Pending CN107766187A (en) | 2017-10-12 | 2017-10-12 | It is a kind of to support the reliability of multi-USB interface equipment is same to survey device and method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109729103A (en) * | 2019-03-13 | 2019-05-07 | 南昌百瑞杰信息技术有限公司 | A kind of dedicated network intellectual analysis safety control and method |
| CN109781179A (en) * | 2019-01-25 | 2019-05-21 | 云南保利天同仪器有限公司 | Multi-channel multi-parameter sensor detecting system and its detection method |
| CN110781111A (en) * | 2019-10-23 | 2020-02-11 | 北京计算机技术及应用研究所 | But real-time supervision's dual-redundancy USB port extension device |
| CN110837450A (en) * | 2019-11-04 | 2020-02-25 | 广州视源电子科技股份有限公司 | USB TYPE-C docking station test method and device, electronic equipment and storage medium |
| CN110967621A (en) * | 2019-11-11 | 2020-04-07 | 北京中电华大电子设计有限责任公司 | SE chip test design method based on Actor model |
| CN112104998A (en) * | 2020-08-18 | 2020-12-18 | 东软集团股份有限公司 | Communication test method, device, storage medium and electronic equipment |
| CN112611896A (en) * | 2020-12-22 | 2021-04-06 | 卡斯柯信号有限公司 | Cable insulation test safety card control method based on signal centralized monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781179A (en) * | 2019-01-25 | 2019-05-21 | 云南保利天同仪器有限公司 | Multi-channel multi-parameter sensor detecting system and its detection method |
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| CN110837450A (en) * | 2019-11-04 | 2020-02-25 | 广州视源电子科技股份有限公司 | USB TYPE-C docking station test method and device, electronic equipment and storage medium |
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| CN110967621A (en) * | 2019-11-11 | 2020-04-07 | 北京中电华大电子设计有限责任公司 | SE chip test design method based on Actor model |
| CN112104998A (en) * | 2020-08-18 | 2020-12-18 | 东软集团股份有限公司 | Communication test method, device, storage medium and electronic equipment |
| CN112611896A (en) * | 2020-12-22 | 2021-04-06 | 卡斯柯信号有限公司 | Cable insulation test safety card control method based on signal centralized monitoring system |
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Application publication date: 20180306 |