CN103399251B - USB communication line detection device - Google Patents
USB communication line detection device Download PDFInfo
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- CN103399251B CN103399251B CN201310326896.8A CN201310326896A CN103399251B CN 103399251 B CN103399251 B CN 103399251B CN 201310326896 A CN201310326896 A CN 201310326896A CN 103399251 B CN103399251 B CN 103399251B
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Abstract
A USB communication line detection device, comprising: a control processor, a signal generator, a signal detection circuit, a wiring device, an information prompting unit, a first USB socket connected with a first USB communication line to be tested and a USB socket connected with a second USB communication line to be tested, the wiring device is correspondingly connected with a first USB communication line and a second USB communication line to be tested, the control processor sends a detection instruction to the signal generator, the signal generator sends a first detection signal to the first USB communication line, the signal detection circuit detects the second USB communication line to obtain a second detection signal, the signal detection circuit sends the second detection signal to the control processor, the control processor determines the communication state of the first USB communication line and the second USB communication line according to the first detection signal and the second detection signal, and sending the communication state to an information prompting unit, and prompting the communication state by the information prompting unit. The scheme improves the detection efficiency.
Description
Technical field
The present invention relates to wire rod detection technique field, more particularly to a kind of usb communication line detector.
Background technology
With the development of science and technology, the utilization of electronic product is more and more extensive.When using electronic product, need by USB
Order wire connects each device.Therefore the quality of usb communication line directly affects the use of electronic product, so needing to usb communication
The break-make of line is detected.
In traditional method, typically using circuit tester test usb communication line two ends, so as to realize the detection to usb communication line.
Due to needing to detect measured signal line one by one, detection efficiency is low.When particularly detecting the usb communication line of microarray strip, by
In the impact for having chip circuit, detection efficiency is lower.
The content of the invention
Based on this, it is necessary to for the low problem of detection efficiency, there is provided a kind of usb communication line detector.
A kind of usb communication line detector, including：Control process device, signal generator, signal deteching circuit, wiring dress
Put, information alert unit and the first usb communication line to be measured connection the first USB and be connected with the second usb communication line to be measured
USB, termination correspondence connection the first usb communication line to be measured and the second usb communication line；
The control process device sends detection instruction to signal generator, and the signal generator sends first detection signal
To the first usb communication line, the signal deteching circuit detects that the second usb communication line obtains the second detection signal, the signal inspection
Slowdown monitoring circuit sends second detection signal to the control process device, the control process device according to first detection signal and
Second detection signal determines the communications status of the first usb communication line and the second usb communication line, and by the communications status send to
Information alert unit, information alert unit points out the communications status.
Two usb communication lines are coupled together test by above-mentioned usb communication line detector by termination, realize one
It is secondary to test the detection for completing two usb communication lines, and this programme adopts automatic test, substantially increases testing efficiency.
A kind of usb communication line detector, including：Control process device, signal generator, signal deteching circuit, information are carried
Show unit, the first USB for being connected with usb communication line two ends to be measured respectively and the second USB, wherein, usb communication to be measured
Line two ends have identical USB interface；
The control process device sends detection instruction to signal generator, and the signal generator sends first detection signal
To usb communication line one end, the signal deteching circuit detection usb communication line other end obtains the second detection signal, the signal
Detection circuit sends second detection signal to the control process device, and the control process device is according to first detection signal
With the communications status that the second detection signal determines usb communication line, and the communications status are sent to information alert unit, information
Tip element points out the communications status.
Above-mentioned usb communication line detector, by sending detection signal in one end of usb communication line, the other end receives inspection
Signal is surveyed, according to detection signal contrast is sent and received detection to usb communication line break-make is automatically obtained, improve detection effect
Rate.Meanwhile, usb communication line two ends to be detected have identical USB interface, after having detected, cut off the usb communication line, obtain
Two usb communication lines, improve detection efficiency.
Description of the drawings
Fig. 1 is the structural representation of usb communication line detector embodiment one of the present invention；
Fig. 2 is the structural representation of usb communication line detector embodiment two of the present invention；
Fig. 3 is the structural representation of usb communication line detector embodiment three of the present invention；
Fig. 4 is voltage control circuit structural representation in the embodiment of the present invention；
Fig. 5 is usb communication line schematic diagram in the embodiment of the present invention four；
Fig. 6 is usb communication line schematic diagram in the embodiment of the present invention five.
Specific embodiment
Each embodiment of usb communication line detector of the present invention is explained in detail below.
As shown in figure 1, for the structural representation of usb communication line detector embodiment one of the present invention, including：Control process
Device 110, signal generator 120, signal deteching circuit 130, information alert unit 140, termination 150 and a USB to be measured
First USB 160 of order wire connection and the USB 170 being connected with the second usb communication line to be measured.Termination 150 pairs
The first usb communication line and the second usb communication line to be measured should be connected, will the first usb communication line and the second usb communication line it is each
Holding wire connects with each power line by the way that termination is corresponding.Termination connects the first usb communication line and the second usb communication line
When, can be directly will wherein corresponding holding wire and power line connection, it is also possible to increase other anti-attenuating devices, can also increase
Plus corresponding signal detector, the signal of the first usb communication line is detected and shows, and send the signal to the second usb communication line
USB interface, by signal deteching circuit 130 detect the second usb communication line USB, it can thus be seen that problem goes out first
Usb communication line or the second usb communication line.Wherein, using when, the USB interface of the first usb communication line is inserted into a USB and is inserted
Mouthful, the USB interface of the second usb communication line is inserted into the second USB.
Control process device 110 sends detection instruction to signal generator 120, and detection instruction can include detection signal, mesh
Mark holding wire.Wherein, usb communication line includes many signal lines and power line, and target signal line refers to the holding wire to be detected.
Detection instruction be to signal generator send detection signal triggering command, such as, and Ke Yishi, periodically sequentially polling to which
Bar target signal line sends detection signal, it is also possible to according to being previously set, send detection signal to the target signal line of setting, also
Can send detection signal to a plurality of target signal line, multiple receiving terminals receive detection signal, then contrast.
Signal generator 120 sends first detection signal to the first usb communication line, the detection of signal deteching circuit 130 second
Usb communication line obtains the second detection signal, and signal deteching circuit sends the second detection signal to control process device, control process
Device determines the communications status of the first usb communication line and the second usb communication line according to first detection signal and the second detection signal, and
Communications status are sent to information alert unit 140, information alert unit prompting communications status.Communications status can be break-make shape
Whether state, communication is good, and whether transmission quality is qualified etc..
In the present embodiment, control process device 110 is carried respectively with signal generator 120, signal deteching circuit 130, information
Show that unit 140 connects, signal generator 120 is connected with the USB interface end of the first usb communication line, signal deteching circuit 130 and
The USB interface end connection of two usb communication lines.Each holding wire and each sub-power source line of the first usb communication line and the second usb communication line
Do not connected by termination correspondence.The present embodiment mainly sends detection signal by controller control detection transmitting element, examines
Signal is surveyed by usb communication line after, by detection reception signal controller is received and feed back to, controller judge whether it is identical, so
After pointed out.So as to realize automatic test, testing efficiency is improved, meanwhile, two usb communication lines are connected by termination
Pick up to test, realize that once test completes the detection of two usb communication lines, also improve testing efficiency.Information alert unit
Can be display, result is shown；Can also be traffic lights, when difference, when red, when identical, green light；May be used also
To be voice unit, such as when comparative result is different, then send alarm.Can certainly simultaneously there is display and warning
Device.When the target signal line of usb communication line is qualified, then continue next target signal line for detecting the usb communication line.Such as
It is unqualified to there is a target signal line in fruit usb communication line, then it represents that the usb communication line is unqualified.
As shown in Fig. 2 for the structural representation of usb communication line detector embodiment two of the present invention, signal generator is
Impulser 210, signal deteching circuit is pulse receiver 220, and control process device sends detection instruction to impulser,
Impulser sends the first pulse signal to the first usb communication line, and pulse receiver detects that the second usb communication line obtains second
Pulse signal, pulse receiver sends the second pulse signal to control process device, and control process device is according to the first pulse signal
With the communications status that the second pulse signal determines the first usb communication line and the second usb communication line, and communications status are sent to letter
Breath Tip element, information alert unit prompting communications status.The present embodiment mainly controls impulser and sends by controller
Pulse signal, pulse signal is transferred to pulse receiver, arteries and veins through a wherein signal line of usb communication line by holding wire
Receptor is rushed by the pulse feedback for receiving to controller, controller enters according to the pulse information for sending and the pulse signal of reception
Row compares, if unanimously, then it represents that the holding wire ok of the usb communication line, otherwise, the holding wire of the usb communication line is not turned on, i.e.,
The usb communication line is not turned on.The present embodiment is the detection by pulse signal realization to usb communication line break-make, simultaneously as control
Each signal line of device automatic detection usb communication line processed, improves detection efficiency.Impulser and pulse receiver can be with
Single circuit, it is also possible to it is integrated in the controller.
In a specific embodiment, signal generator is the first level sensitive circuit, and signal deteching circuit is second electric
Flat detection circuit, control process device sends detection instruction to the first level sensitive circuit, and the first level sensitive circuit sends first
Low level or the first high level to the first usb communication line, it is low that second electrical level detection the second usb communication of electric circuit inspection line obtains second
Level or the second high level, second electrical level detects that circuit sends the second low level or the second high level to control process device, control
Processor processed according to the first low level and the second low level or the first high level and the second high level determine the first usb communication line and
The communications status of the second usb communication line, and communications status are sent to information alert unit, information alert unit prompting communication shape
State.Such as, controller controls the USB interface end that the first level sensitive circuit sends high level to the first usb communication line, Jing Guo
An one usb communication line wherein signal line, is transferred to termination, and then to the USB interface of the second usb communication line, second is electric
High level is simultaneously fed back to control process device by flat detection electric circuit inspection level, and control process device judges whether feedback information is high electricity
Flat, if it is, the holding wire ok of the usb communication line, otherwise, the holding wire of the usb communication line is not turned on, i.e. the usb communication
Line is not turned on.The present embodiment is the detection by level realization to usb communication line break-make, simultaneously as controller automatic detection
Each signal line of usb communication line, improves detection efficiency.First level sensitive circuit and second electrical level detection circuit can be with
Exist separately as detection transmitting element and detection receiving unit, it is also possible to while with impulser and pulse receiver simultaneously
Exist, double check is carried out to the usb communication line.
In a specific embodiment, this programme device also includes voltage control circuit and voltage detecting circuit；At control
Reason device sends voltage output and instructs to voltage control circuit, voltage control circuit receiving voltage output order, adjusts voltage, and will
Voltage is sent to the first usb communication line, and voltage detecting circuit detects the second usb communication line, and by Voltage Feedback to controller；Control
Device processed compares the voltage of reception with the value range that prestores, and determines the first usb communication line and the second usb communication according to comparative result
The communications status of line, and communications status are sent to information alert unit, information alert unit prompting communications status.
As shown in figure 3, for the structural representation of usb communication line detector embodiment three of the present invention, including control process
Device 301, impulser 302, the first level sensitive circuit 303, voltage control circuit 304, pulse receiver 305, second are electric
Flat detection circuit 306, voltage detecting circuit 307, information alert unit 308, termination 309 and the first usb communication line to be measured
First USB of connection and the USB being connected with the second usb communication line to be measured.The present embodiment controller 301 is to control electricity
Pressure control circuit 304 sends voltage output instruction, and the receiving voltage output order of control voltage control circuit 304 is carried out to voltage
Adjust.Such as input voltage is 12V, and usb communication line is 5V, then need to convert voltages into 5V, then control voltage control electricity
Road 304 is transferred to termination, then to the USB of the second usb communication line by wherein one power line of the first usb communication line
Interface, voltage detecting circuit 307 detects the power line voltage of the USB interface of the second usb communication line.In transmitting procedure, due to USB
The impedance of order wire produces pressure drop, detects the voltage after decay by voltage detecting circuit and feeds back to controller, and controller is sentenced
Whether the magnitude of voltage that disconnecting is received is in the voltage range values for prestoring, if it is, representing the target signal line of usb communication line
It is satisfactory, does not otherwise meet.When meeting the requirements, then controller control voltage control circuit continues to detect usb communication line
Next target signal line, when undesirable, no longer Tip element is directly pointed out to be detected to the usb communication line
It is undesirable.The present embodiment realizes the further detection to usb communication line by voltage detecting, selects USB up to specification
Order wire.Voltage control circuit, voltage detecting circuit can be single with impulser, pulse receiver, control process device, display
Unit is used as a combination, it is also possible to and the first level sensitive circuit, second electrical level detection circuit, control process device, display unit
As a combination, can also exist simultaneously voltage control circuit, voltage detecting circuit, impulser, pulse receiver, the
One level sensitive circuit, second electrical level detection circuit, control process device, display unit.Certainly, detect that transmitting element and detection connect
Receive unit and be not limited to above-mentioned impulser, pulse receiver or the first level sensitive circuit, second electrical level detection circuit.
In a specific embodiment, as shown in figure 4, being voltage control circuit structural representation in the embodiment of the present invention,
Voltage control circuit includes dropping resistor R1, current sampling resistor R2, voltage conversion chip 401 and voltage amplifier circuit 402, drop
Piezoresistance R1 is connected respectively with current sampling resistor R2 and voltage amplifier circuit 402, and current sampling resistor R2 is put respectively with voltage
Big circuit 402 and voltage conversion chip 401 connect, and the other end of voltage amplifier circuit 402 is connected with controller, voltage conversion chip
401 are connected with power line one end.Such as, when input voltage be 12V when, realize blood pressure lowering using resistance R1, at the same by VCK2 with
Voltage difference between VCK1 and the ratio of R2, can obtain current value.It is by voltage conversion chip that 12V voltage conversions is electric for 5v
Pressure.The other end of voltage amplifier circuit 402 is connected with controller, and the information of voltage and current information of measurement are fed back to into controller,
Now controller is internally integrated A/D convertor circuit.It is of course also possible in voltage amplifier circuit integrated A/D convertor circuit, concrete root
According to need setting.In a specific embodiment, voltage control circuit also includes power switch circuit, and power conversion chip passes through
Power switch circuit is connected with power line.Controller sends and turns on the power instruction, then voltage switcher circuit is turned on the power.
Voltage detecting circuit includes cathode voltage Acquisition Circuit, cathode voltage amplifying circuit, cathode voltage Acquisition Circuit, negative
Pole tension amplifying circuit, cathode voltage Acquisition Circuit one end is connected with cathode power supply line, and the other end amplifies electricity with cathode voltage
Road connects, and positive pole amplifying circuit is connected with controller；Cathode voltage Acquisition Circuit one end is connected with anode power cord, and the other end
It is connected with cathode voltage amplifying circuit, cathode voltage amplifying circuit is connected with controller, wherein, power line includes cathode power supply line
And anode power cord.Cathode voltage amplifying circuit amplifies the Voltage Feedback of the positive power line for gathering to controller, cathode voltage
By the Voltage Feedback of the negative power line for gathering to controller, controller is integrated with AD conversion electric current to circuit.In other embodiments,
Cathode voltage amplifying circuit can be follow circuit, and cathode voltage amplifying circuit can also be follow circuit.It is concrete real at one
In applying example, usb communication line detector can also include power-supplying circuit or AD conversion and arithmetic processing circuit etc..
Wherein in one embodiment, termination includes power cord connector and signal wire joint, by power cord connector
The power line and the power line of the second usb communication line of correspondence connection the first usb communication line to be measured, by signal wire joint correspondence
The holding wire and the holding wire of the second usb communication line of connection the first usb communication line to be measured.
Wherein in one embodiment, the first usb communication line to be measured is identical USB with the second usb communication line to be measured
Order wire, wherein one end are provided with chip, and the other end is sealing wire, and control process device sends detection instruction to signal generator, letter
Number generator sends the chip of first detection signal to the first usb communication line, and signal deteching circuit detects the second usb communication line
Chip obtains the second detection signal, and signal deteching circuit sends the second detection signal to control process device, control process device root
Determine the communications status of the first usb communication line and the second usb communication line according to first detection signal and the second detection signal, and will be logical
Letter state is sent to information alert unit, information alert unit prompting communications status.
Shown in Figure 5, the first usb communication line 510 and the second usb communication line 520 are connected by termination 530, and
The one end of one usb communication line 510 includes being provided with the USB interface 511 of chip, and the other end is sealing wire 512.Second usb communication line 520
One end includes being provided with the USB interface 521 of chip, and the other end is sealing wire 522.Wherein, the chip of the first usb communication line 510 and
The chip of the second usb communication line 520 is identical.
Because the first usb communication line and the second usb communication line are identical usb communication lines, with identical chips.Inspection
Survey after signal processes from the chip of the first usb communication line, the chip of the second usb communication line is transferred to by termination, second
After the chip of usb communication line is processed, signal deteching circuit is detected, realizes the inspection to the usb communication line with chip
Survey, while improving detection efficiency.
This programme also provides a kind of usb communication line detector, it is characterised in that include：Control process device, signal occur
Device, signal deteching circuit, information alert unit, the first USB and second for being connected with usb communication line two ends to be measured respectively
USB, wherein, usb communication line two ends to be measured have identical USB interface.Such as, script can be separated in process of production
Two usb communication lines of production, as a usb communication line production, then the usb communication line after detection are cut off from centre, i.e.,
Traditional two bar usb communication line is obtained.
Control process device sends detection instruction to signal generator, and it is logical to USB that signal generator sends first detection signal
Letter line one end, the signal deteching circuit detection usb communication line other end obtains the second detection signal, and signal deteching circuit is examined second
Survey signal to send to control process device, control process device determines usb communication line according to first detection signal and the second detection signal
Communications status, and communications status are sent to information alert unit, information alert unit prompting communications status.
In the present embodiment, control process device connects respectively with signal generator, signal deteching circuit, information alert unit
Connect, signal generator is connected with the USB interface end of the first usb communication line, the USB of signal deteching circuit and the second usb communication line
Interface end connects.The present embodiment mainly sends detection signal by controller control detection transmitting element, and detection signal passes through USB
After order wire, signal is received by detection and receives and feed back to controller, controller judges whether identical, is then pointed out.From
And automatic test is realized, testing efficiency is improved, meanwhile, in process of production, as shown in fig. 6, be directly produced having for two ends
The usb communication line 600 of USB interface 610 and USB interface 620, the distance between USB interface 610 and the two ends of USB interface 620 are original
There is the twice of distance, such as, the originally long 150mm of USB line produces 300mm line lengths now.After test, the USB line is cut
It is disconnected.So, it is also possible to realize that once test completes the detection of two usb communication lines, also improve testing efficiency.Tip element can
To be display, result is shown；Can also be traffic lights, when difference, when red, when identical, green light；Can be with
It is voice unit, such as when comparative result is different, then sends alarm.Can certainly simultaneously there is display and alarm.
When the target signal line of usb communication line is qualified, then continue next target signal line for detecting the usb communication line.If
It is unqualified to there is a target signal line in usb communication line, then it represents that the usb communication line is unqualified.
Wherein in one embodiment, signal generator is impulser, and signal deteching circuit is pulse receiver, control
Processor processed sends detection instruction to impulser, and impulser sends the first pulse signal to usb communication line one end, arteries and veins
Rush the receptor detection usb communication line other end and obtain the second pulse signal, pulse receiver sends the second pulse signal to control
Processor processed, control process device determines the communications status of usb communication line according to the first pulse signal and the second pulse signal, and will
Communications status are sent to information alert unit, information alert unit prompting communications status.The present embodiment mainly passes through controller control
Impulser processed sends pulse signal, and pulse signal is transmitted through a wherein signal line of usb communication line by holding wire
To pulse receiver, pulse receiver by the pulse feedback for receiving to controller, controller according to the pulse information for sending and
The pulse signal of reception is compared, if unanimously, then it represents that the holding wire ok of the usb communication line, otherwise, the usb communication line
Holding wire be not turned on, i.e., the usb communication line is not turned on.The present embodiment is realized to usb communication line break-make by pulse signal
Detection, simultaneously as each signal line of controller automatic detection usb communication line, improves detection efficiency.Pulsing
Device and pulse receiver can be single circuits, it is also possible to it is integrated in the controller.
Wherein in one embodiment, signal generator is the first level sensitive circuit, and signal deteching circuit is second electric
Flat detection circuit, control process device sends detection instruction to the first level sensitive circuit, and the first level sensitive circuit sends first
, to usb communication line one end, the second electrical level detection electric circuit inspection usb communication line other end obtains second for low level or the first high level
Low level or the second high level, second electrical level detection circuit sends the second low level or the second high level to control process device,
Control process device determines the logical of usb communication line according to the first low level and the second low level or the first high level and the second high level
Letter state, and communications status are sent to information alert unit, information alert unit prompting communications status.The present embodiment is to pass through
Level realizes the detection to usb communication line break-make, simultaneously as each signal line of controller automatic detection usb communication line,
Improve detection efficiency.First level sensitive circuit and second electrical level detection circuit can be separately as detection transmitting element and inspections
Survey receiving unit to exist, it is also possible to while exist with impulser and pulse receiver simultaneously, carry out the usb communication line double
Re-detection.
Wherein in one embodiment, also including voltage control circuit and voltage detecting circuit；Control process device sends electricity
To voltage control circuit, voltage control circuit receiving voltage output order adjusts voltage to pressure output order, and by voltage send to
Usb communication line one end, the voltage detecting circuit detection usb communication line other end, and by Voltage Feedback to controller；Controller will connect
The voltage of receipts compares with the value range that prestores, and determines the communications status of usb communication line according to comparative result, and communications status are sent out
Deliver to information alert unit, information alert unit prompting communications status.
Voltage control circuit includes dropping resistor, current sampling resistor, voltage conversion chip and voltage amplifier circuit, blood pressure lowering
Resistance is connected respectively with current sampling resistor and voltage amplifier circuit, current sampling resistor respectively with voltage amplifier circuit and voltage
Conversion chip connects, and the voltage amplifier circuit other end is connected with controller, and voltage conversion chip is connected with power line one end；
Voltage detecting circuit includes cathode voltage Acquisition Circuit, cathode voltage amplifying circuit, cathode voltage Acquisition Circuit, negative
Pole tension amplifying circuit, cathode voltage Acquisition Circuit one end is connected with cathode power supply line, and the other end amplifies electricity with cathode voltage
Road connects, and positive pole amplifying circuit is connected with controller；Cathode voltage Acquisition Circuit one end is connected with anode power cord, and the other end
It is connected with cathode voltage amplifying circuit, cathode voltage amplifying circuit is connected with controller, wherein, power line includes cathode power supply line
And anode power cord.
Wherein in one embodiment, usb communication line two ends to be measured have identical chips；Control process device sends detection
Instruct to signal generator, signal generator sends the chip of first detection signal to usb communication line one end, signal deteching circuit
The chip of the detection usb communication line other end obtains the second detection signal, and signal deteching circuit sends the second detection signal to control
Processor processed, control process device determines the communications status of usb communication line according to first detection signal and the second detection signal, and will
Communications status are sent to information alert unit, information alert unit prompting communications status.Because usb communication line two ends are complete phases
Same USB interface, with identical chips.After detection signal is processed from the chip of usb communication line one end, transmitted by termination
To the chip of the usb communication line other end, after the chip of the usb communication line other end is processed, signal deteching circuit is detected,
The detection to the usb communication line with chip is realized, while improve detection efficiency.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (11)
1. a kind of usb communication line detector, it is characterised in that include：Control process device, signal generator, signal detection electricity
Road, termination, information alert unit and the first usb communication line to be measured connection the first USB and with the 2nd USB to be measured
Second USB of order wire connection, the termination correspondence connects the first usb communication line to be measured and the second usb communication line,
The control process device is connected respectively with the signal generator, the signal deteching circuit, the signal prompt unit；
The control process device sends detection instruction to signal generator, and the signal generator sends first detection signal to the
One usb communication line, the signal deteching circuit detects that the second usb communication line obtains the second detection signal, the signal detection electricity
Road sends second detection signal to the control process device, and the control process device is according to first detection signal and second
Detection signal determines the communications status of the first usb communication line and the second usb communication line, and the communications status are sent to information
Tip element, information alert unit points out the communications status；
The detection instruction includes detection signal, target signal line, and the detection instruction is to send detection letter to signal generator
Number triggering command, including：Periodically sequentially polling send detection signal to any bar target signal line, according to being previously set to setting
Fixed target signal line sends detection signal or sends detection signal to a plurality of target signal line, and multiple receiving terminals receive inspection
Survey signal and contrasted.
2. usb communication line detector according to claim 1, it is characterised in that
The signal generator is impulser, and the signal deteching circuit is pulse receiver, and the control process device is sent out
Censorship surveys instruction to impulser, and the impulser sends the first pulse signal to the first usb communication line, the pulse
Receptor detects that the second usb communication line obtains the second pulse signal, and the pulse receiver sends second pulse signal
To the control process device, the control process device determines the first usb communication according to the first pulse signal and the second pulse signal
The communications status of line and the second usb communication line, and the communications status are sent to information alert unit, information alert unit is carried
Show the communications status；
Or
The signal generator is the first level sensitive circuit, and the signal deteching circuit is that second electrical level detects circuit, described
Control process device sends detection instruction to the first level sensitive circuit, first level sensitive circuit send the first low level or
First high level to the first usb communication line, second electrical level detection the second usb communication of electric circuit inspection line obtains the second low level
Or second high level, the second electrical level detection circuit sends second low level or the second high level to the control
Reason device, the control process device determines first according to the first low level and the second low level or the first high level and the second high level
The communications status of usb communication line and the second usb communication line, and the communications status are sent to information alert unit, information is carried
Show that unit points out the communications status.
3. usb communication line detector according to claim 1 and 2, it is characterised in that also including voltage control circuit and
Voltage detecting circuit；The control process device sends voltage output and instructs to the voltage control circuit, the voltage control electricity
Road receives the voltage output instruction, adjusts voltage, and voltage is sent to the first usb communication line,
The voltage detecting circuit detects the second usb communication line, and by Voltage Feedback to the control process device；
The control process device compares the voltage for receiving with the value range that prestores, and determines a USB according to comparative result
The communications status of order wire and the second usb communication line, and the communications status are sent to information alert unit, information alert list
Unit's prompting communications status.
4. usb communication line detector according to claim 3, it is characterised in that the voltage control circuit includes drop
Piezoresistance R1, current sampling resistor R2, voltage conversion chip and voltage amplifier circuit, the dropping resistor R1 respectively with the electricity
Stream sampling resistor R2 and voltage amplifier circuit connection, the other end of the current sampling resistor R2 is put respectively with the voltage
Big circuit and voltage conversion chip connection, one end of the voltage amplifier circuit connects respectively dropping resistor R1, electric current and adopts
Sample resistance R2 and voltage conversion chip, the voltage amplifier circuit other end is connected with the control process device, and the voltage turns
Change chip to be connected with power line one end；Wherein, the power line includes cathode power supply line and anode power cord；
The voltage detecting circuit includes cathode voltage Acquisition Circuit, cathode voltage amplifying circuit, cathode voltage Acquisition Circuit, negative
Pole tension amplifying circuit, described cathode voltage Acquisition Circuit one end is connected with cathode power supply line, and the other end and the positive electrical
Pressure amplifying circuit connection, the positive pole amplifying circuit is connected with the control process device；Described cathode voltage Acquisition Circuit one end
It is connected with anode power cord, and the other end is connected with the cathode voltage amplifying circuit, the cathode voltage amplifying circuit and institute
State the connection of control process device.
5. usb communication line detector according to claim 3, it is characterised in that the termination includes power line
Joint and signal wire joint, by the power line and second of power cord connector correspondence connection the first usb communication line to be measured
The power line of usb communication line, by the holding wire and second of signal wire joint correspondence connection the first usb communication line to be measured
The holding wire of usb communication line.
6. usb communication line detector according to claim 1 and 2 a, it is characterised in that USB to be measured leads to
Letter line is identical usb communication line with the second usb communication line to be measured, and wherein one end is provided with chip, and the other end is sealing wire,
The control process device sends detection instruction to signal generator, and the signal generator sends first detection signal to the
The chip of one usb communication line, the signal deteching circuit detects that the chip of the second usb communication line obtains the second detection signal, institute
State signal deteching circuit second detection signal to be sent to the control process device, the control process device is according to the first inspection
Survey the communications status that signal and the second detection signal determine the first usb communication line and the second usb communication line, and by the communication shape
State is sent to information alert unit, and information alert unit points out the communications status.
7. a kind of usb communication line detector, it is characterised in that include：Control process device, signal generator, signal detection electricity
Road, information alert unit, the first USB being connected with usb communication line two ends to be measured respectively and the second USB, wherein, treat
Survey usb communication line two ends and there is identical USB interface, the signal generator connects one end of usb communication line to be measured, the signal
Detection circuit connects the other end of usb communication line to be measured, after having detected, cuts off the usb communication line, obtains two USB and leads to
Letter line, the control process device connects respectively with the signal generator, the signal deteching circuit, the signal prompt unit
Connect；
The control process device sends detection instruction to signal generator, and the signal generator sends first detection signal extremely
Usb communication line one end, the signal deteching circuit detection usb communication line other end obtains the second detection signal, the signal inspection
Slowdown monitoring circuit sends second detection signal to the control process device, the control process device according to first detection signal and
Second detection signal determines the communications status of usb communication line, and the communications status are sent to information alert unit, and information is carried
Show that unit points out the communications status；
The detection instruction includes detection signal, target signal line, and the detection instruction is to send detection letter to signal generator
Number triggering command, including：Periodically sequentially polling send detection signal to any bar target signal line, according to being previously set to setting
Fixed target signal line sends detection signal or sends detection signal to a plurality of target signal line, and multiple receiving terminals receive inspection
Survey signal and contrasted.
8. usb communication line detector according to claim 7, it is characterised in that
The signal generator is impulser, and the signal deteching circuit is pulse receiver, and the control process device is sent out
Censorship surveys instruction to impulser, and the impulser sends the first pulse signal to usb communication line one end, the pulse
The receptor detection usb communication line other end obtains the second pulse signal, and the pulse receiver sends out second pulse signal
The control process device is delivered to, the control process device determines usb communication line according to the first pulse signal and the second pulse signal
Communications status, and the communications status are sent to information alert unit, information alert unit points out the communications status；
Or
The signal generator is the first level sensitive circuit, and the signal deteching circuit is that second electrical level detects circuit, described
Control process device sends detection instruction to the first level sensitive circuit, first level sensitive circuit send the first low level or
First high level to usb communication line one end, the second electrical level detection electric circuit inspection usb communication line other end obtain the second low electricity
Flat or the second high level, the second electrical level detection circuit sends second low level or the second high level to the control
Processor, the control process device is according to the first low level and the second low level or the first high level and the determination of the second high level
The communications status of usb communication line, and the communications status are sent to information alert unit, the prompting of information alert unit is described logical
Letter state.
9. the usb communication line detector according to claim 7 or 8, it is characterised in that also including voltage control circuit and
Voltage detecting circuit；The control process device sends voltage output and instructs to the voltage control circuit, the voltage control electricity
Road receives the voltage output instruction, adjusts voltage, and voltage is sent to usb communication line one end,
The voltage detecting circuit detects the usb communication line other end, and by Voltage Feedback to the control process device；
The control process device compares the voltage for receiving with the value range that prestores, and determines usb communication according to comparative result
The communications status of line, and the communications status are sent to information alert unit, information alert unit points out the communications status.
10. usb communication line detector according to claim 9, it is characterised in that the voltage control circuit includes drop
Piezoresistance, current sampling resistor, voltage conversion chip and voltage amplifier circuit, the dropping resistor respectively with the current sample
Resistance and the voltage amplifier circuit connect, and the current sampling resistor turns respectively with the voltage amplifier circuit and the voltage
Chip connection is changed, the voltage amplifier circuit other end is connected with the control process device, the voltage conversion chip and power supply
Line one end connects；Wherein, the power line includes cathode power supply line and anode power cord；
The voltage detecting circuit includes cathode voltage Acquisition Circuit, cathode voltage amplifying circuit, cathode voltage Acquisition Circuit, negative
Pole tension amplifying circuit, described cathode voltage Acquisition Circuit one end is connected with cathode power supply line, and the other end and the positive electrical
Pressure amplifying circuit connection, the positive pole amplifying circuit is connected with the control process device；Described cathode voltage Acquisition Circuit one end
It is connected with anode power cord, and the other end is connected with the cathode voltage amplifying circuit, the cathode voltage amplifying circuit and institute
State the connection of control process device.
The 11. usb communication line detectors according to claim 9 or 10, it is characterised in that the usb communication to be measured
Line two ends have identical chips；
The control process device sends detection instruction to signal generator, and the signal generator sends first detection signal extremely
The chip of usb communication line one end, the chip of the signal deteching circuit detection usb communication line other end obtains the second detection letter
Number, the signal deteching circuit sends second detection signal to the control process device, the control process device according to
First detection signal and the second detection signal determine the communications status of usb communication line, and the communications status are sent to information
Tip element, information alert unit points out the communications status.
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| CN201310326896.8A CN103399251B (en) | 2013-07-30 | 2013-07-30 | USB communication line detection device |
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| CN201310326896.8A CN103399251B (en) | 2013-07-30 | 2013-07-30 | USB communication line detection device |
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| CN108535594A (en) * | 2014-01-28 | 2018-09-14 | 广东欧珀移动通信有限公司 | Interface plugging anomaly detection circuit and method |
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| CN103884938B (en) * | 2014-03-20 | 2017-01-04 | 惠州市和宏电线电缆有限公司 | A kind of measurement jig |
| CN103837782B (en) * | 2014-03-27 | 2017-10-31 | 上海斐讯数据通信技术有限公司 | The detection device of data wire |
| CN104460461B (en) * | 2014-12-10 | 2017-06-16 | 宁波普元电子技术有限公司 | A kind of USB connecting lines special inspecting equipment circuit |
| CN105759084A (en) * | 2016-04-21 | 2016-07-13 | 安徽捷迅光电技术有限公司 | USB data line test tooling |
| CN106649174B (en) * | 2016-10-11 | 2020-07-03 | 广州视睿电子科技有限公司 | USB device and USB communication method |
| TWI667481B (en) * | 2018-06-29 | 2019-08-01 | 群光電能科技股份有限公司 | Transmission cable and power supply apparatus using the same |
| CN109490694A (en) * | 2018-11-30 | 2019-03-19 | 国网安徽省电力有限公司滁州供电公司 | A kind of cable detecting device |
| CN111289922B (en) * | 2020-01-22 | 2022-04-22 | 华为技术有限公司 | Cable plugging detection method and related equipment |
| CN113655410A (en) * | 2021-08-25 | 2021-11-16 | 珠海格力电器股份有限公司 | Hardware wiring detection device, system, method and equipment |
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| CN101751316B (en) * | 2008-12-04 | 2013-07-31 | 鸿富锦精密工业（深圳）有限公司 | Universal serial bus (USB) interface module testing device |
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| TWI398759B (en) * | 2009-07-22 | 2013-06-11 | Htc Corp | Power supply device, portable electronic apparatus and related method for determining types of a power supply device |
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