CN107332630A - A kind of signal-testing apparatus - Google Patents
A kind of signal-testing apparatus Download PDFInfo
- Publication number
- CN107332630A CN107332630A CN201710637144.1A CN201710637144A CN107332630A CN 107332630 A CN107332630 A CN 107332630A CN 201710637144 A CN201710637144 A CN 201710637144A CN 107332630 A CN107332630 A CN 107332630A
- Authority
- CN
- China
- Prior art keywords
- signal
- electric signal
- microprocessor
- electric
- testing apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 67
- 238000012545 processing Methods 0.000 claims abstract description 99
- 230000002159 abnormal effect Effects 0.000 claims abstract description 36
- 230000003287 optical effect Effects 0.000 claims description 72
- 230000003321 amplification Effects 0.000 claims description 12
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 14
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000011056 performance test Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 9
- 230000015556 catabolic process Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 241000209094 Oryza Species 0.000 description 4
- 235000007164 Oryza sativa Nutrition 0.000 description 4
- 235000009566 rice Nutrition 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 230000004807 localization Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012812 general test Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/483—Details of pulse systems
- G01S7/486—Receivers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/497—Means for monitoring or calibrating
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52004—Means for monitoring or calibrating
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/523—Details of pulse systems
- G01S7/526—Receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The embodiment of the invention discloses a kind of signal-testing apparatus, including：First input interface, signal processing module, microprocessor and display module；First input interface is electrically connected with signal receiving circuit, the multi-channel electric signal for receiving multiple signal receiver outputs；Signal processing module, input is electrically connected with the first input interface, and output end is electrically connected with microprocessor, for multi-channel electric signal to be handled；Microprocessor is used to carry out judgement processing based on the multi-channel electric signal after processing, it is determined that abnormal signal receiver, and sends cue to display module and shown.Technical scheme provided in an embodiment of the present invention, it is possible to resolve the problem of the performance test methods waste of manpower of existing signal receiving device and time.
Description
Technical field
The present embodiments relate to signal testing technology, more particularly to a kind of signal-testing apparatus.
Background technology
Current indoor positioning technologies attract attention further.For example, in order to realize the more preferable scene reproduction technology of VR equipment, needing
The head of user and hand are positioned using various accurate localization methods；In order to which the position for following the trail of Indoor Robot is needed
To be positioned for Indoor Robot, be easy to be controlled robot.
The problem of causing positioning failure to prevent the signal from signal projector to be blocked, all directions can be received
On signal, it is necessary to install multiple signal receivers on the signal receiving device of alignment system.
In order to be able to which the accurate indoor positioning that carries out is, it is necessary to which all signal receivers on signal receiving device can be normal
Work, so needing to carry out all signal receivers the test of performance.In the prior art, one by one using oscillograph
All signal receivers are tested, very labor intensive, and generally test is divided into two parts, is installed in signal receiver
Once tested when on circuit board, signal receiver and/be assembled into finished product (signal receiving device) after carry out one again
Secondary test, more causes the waste of time and manpower.
The content of the invention
The present invention provides a kind of signal-testing apparatus, to solve asking for existing performance test methods waste of manpower and time
Topic.
The invention provides a kind of signal-testing apparatus, including：
First input interface, signal processing module, microprocessor and display module；
First input interface is electrically connected with signal receiving circuit, is received for receiving multiple signals in signal receiving circuit
The multi-channel electric signal of device output；
Signal processing module, input is electrically connected with first input interface, and output end is electrically connected with the microprocessor
Connect, for the multi-channel electric signal to be handled；
Microprocessor is used to carry out judgement processing based on the electric signal after the processing, it is determined that abnormal signal receiver,
And send cue to the display module and shown.
Optionally, first input interface is defeated specifically for receiving multiple optical signal receivers in signal receiving circuit
The electric signal of multichannel first gone out and/or the electric signal of multichannel second of multiple ultrasonic signal receivers output；The signal transacting mould
Block is carried out the electric signal of multichannel second specifically for the electric signal of multichannel first is converted into multiplex pulse voltage signal
Amplification；The microprocessor is specifically for based on the second electric signal after the multiplex pulse voltage signal, and multichannel amplification
Judgement processing is carried out, it is determined that abnormal optical signal receiver and/or ultrasonic signal receivers, and cue is sent to described aobvious
Show that module is shown.
Optionally, signal-testing apparatus also includes the second input interface；Second input interface is with being mounted with the letter
The output end electrical connection of the signal receiving device of number receiving circuit, is mounted with that the signal of the signal receiving circuit connects for obtaining
The multi-channel electric signal of receiving apparatus output, and the multi-channel electric signal is transferred to microprocessor.
Optionally, the signal processing module includes the multiple and one-to-one photoelectric processing list of the electric signal of multichannel first
Member；The photoelectric processing unit includes：Transreactance amplifier, wave filter and envelope detector；The input of the transreactance amplifier
End is electrically connected by the input of the photoelectric processing unit with first input interface, for by first input interface
The electric signal of multichannel first of reception is converted to pulse voltage signal by current signal；The input of the wave filter and the mutual resistance
The output end electrical connection of amplifier, output end is electrically connected with the input of the envelope detector, for filtering the pulse electricity
Press the noise in signal；The envelope detector is used for the electric signal that jamming light source generation is filtered out from the pulse voltage signal
And the pulse voltage signal is exported to the microprocessor.
Optionally, the signal processing module includes multiple single with the one-to-one acoustic-electric processing of the electric signal of multichannel second
Member；The input of the acoustic-electric processing unit is electrically connected with first input interface, for second electric signal to be carried out
Amplify and filter, and filtered second electric signal output will be amplified respectively to the microprocessor.
Optionally, the microprocessor obtains the frequency of every road first electric signal based on multiplex pulse voltage signal, if institute
The difference for stating frequency and setpoint frequency is more than the first given threshold, it is determined that the corresponding optical signal receiver of the electric signal of road first
Occur abnormal, and send prompt message to the display module and shown；The microprocessor amplified based on multichannel second
The amplitude of different crests, is compared with setting amplitude in each voltage signal of the electric signal acquisition per the electric signal of road second, if
Crest quantity more than setting amplitude is less than the second given threshold, it is determined that the corresponding ultrasonic signal of the electric signal of road second is received
Device occurs abnormal, and sends prompt message to the display module and is shown.
Optionally, the second electric signal after the microprocessor is amplified based on multichannel obtains the figure per the electric signal of road second
Data, and the graph data is sent to the display module shown.
Optionally, the microprocessor includes number obtainment unit and figure acquiring unit；The number obtainment unit is used
In the quantity for the pulse for calculating first electric signal received within the unit interval, and calculate per each in the electric signal of road second
Exceed the quantity of the crest of setting amplitude in voltage signal；The figure acquiring unit is used for will be per the electric signal of road second by simulating
Amount is converted to digital quantity, and the digital quantity is converted into graph data.
Optionally, the display module includes and the one-to-one multiple display lamps of multiple signal receivers；The display
Lamp is used to, when receiving the cue for the corresponding signal receiver that the microprocessor is sent, change what display lamp was shown
State.
Optionally, the display module include with the one-to-one multiple display lamps of multiple optical signal receivers, and/or with
The one-to-one multiple display lamps of multiple ultrasonic signal receivers；The display lamp, which is used to work as, receives the microprocessor transmission
Corresponding optical signal receiver and/or ultrasonic signal receivers cue when, change the state that shows of display lamp.
Optionally, the display module includes at least one display screen；The display screen is used for according to the microprocessor
The cue of transmission, oscillogram of the display per the electric signal of road second.
Optionally, the relative position relation of multiple display lamps of the display module is corresponding with the signal receiving circuit
Multiple signal receivers relative position relation it is identical.
Signal-testing apparatus provided in an embodiment of the present invention, including the first input interface, signal processing module, microprocessor
And display module.First input interface is electrically connected with signal receiving circuit to be measured, for receiving signal receiving device
In multiple signal receivers correspond output multi-channel electric signal；Signal processing module is electrically connected with input interface, is used for
Multi-channel electric signal is handled；The microprocessor carries out breakdown judge according to the electric signal after multichannel process, and determines
Abnormal electric signal, so as to determine abnormal signal receiver according to corresponding relation, and sends cue to display module and enters
Row display.This programme can be detected to multiple signal receivers in signal receiving circuit simultaneously, without as existing
Method of testing equally all signal receivers are detected one by one using oscillograph, can save manpower and when
Between.
Brief description of the drawings
Fig. 1 is a kind of structure chart of signal-testing apparatus provided in an embodiment of the present invention；
Fig. 2 is the structure chart of another signal-testing apparatus provided in an embodiment of the present invention；
Fig. 3 is the structure chart of the third signal-testing apparatus provided in an embodiment of the present invention；
Fig. 4 is the structure chart of photoelectric processing unit provided in an embodiment of the present invention；
Fig. 5 is the structure chart of acoustic-electric processing unit provided in an embodiment of the present invention；
Fig. 6 is the structure chart of display lamp provided in an embodiment of the present invention.
Fig. 7 is signal receiving circuit optical signal receiver provided in an embodiment of the present invention and ultrasonic signal receivers with showing
Show the space arrangement relation figure of LED in module.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that, in order to just
Part related to the present invention rather than entire infrastructure are illustrate only in description, accompanying drawing.
The embodiment of the present invention provides a kind of signal-testing apparatus, and with reference to Fig. 1, Fig. 1 is one kind provided in an embodiment of the present invention
The structure chart of signal-testing apparatus, the signal-testing apparatus includes；First input interface 11, signal processing module 2, microprocessor
3 and display module 4；
First input interface 11 is electrically connected with signal receiving circuit, and multiple signals for receiving in signal receiving circuit connect
Receive the multi-channel electric signal of device output；
Signal processing module 2, input is electrically connected with the first input interface 11, and output end is electrically connected with microprocessor 3, is used
Handled in by multi-channel electric signal,；
Microprocessor 3 is used to determine abnormal signal receiver based on the electric signal after processing, and sends cue extremely
Display module 4 is shown.
Signal-testing apparatus provided in an embodiment of the present invention, including the first input interface, signal processing module, microprocessor
And display module.First input interface is electrically connected with signal receiving circuit to be measured, for receiving signal receiving device
In multiple signal receivers correspond output multi-channel electric signal；Signal processing module is electrically connected with input interface, is used for
Multi-channel electric signal is handled；The microprocessor carries out breakdown judge according to the electric signal after multichannel process, and determines
Abnormal electric signal, so as to determine abnormal signal receiver according to corresponding relation, and sends cue to display module and enters
Row display.This programme can be detected to multiple signal receivers in signal receiving circuit simultaneously, without as existing
Method of testing equally all signal receivers are detected one by one using oscillograph, can save manpower and when
Between.
On the basis of above-described embodiment, with reference to Fig. 2, Fig. 2 is another signal testing dress provided in an embodiment of the present invention
The structure chart put, optionally, signal-testing apparatus also include the second input interface 12；
The output of signal receiving device of second input interface 12 with being mounted with signal receiving circuit and signal processing module
End electrical connection, for when signal receiving circuit and signal processing module are arranged on signal receiving device, obtaining signal and receiving
Multi-channel electric signal after the processing of device output.Signal processing module and the signal testing dress wherein installed in signal receiving device
The function phase of signal processing module 2 in putting is same.The output end and microprocessor 3 of second input interface 12 are electrically connected.
Since it is desired that once being tested the signal receiver on signal receiving circuit plate, then when whole signal
When receiving circuit can work, signal-testing apparatus connects signal receiving circuit plate by the first input interface 11, so as to access
In signal receiving circuit, multi-channel electric signal is obtained, completes to test for the first time.
When completing the assembling of signal receiving device, in order to prevent damaging in an assembling process on signal receiving circuit plate
Signal receiver, then need to carry out second of test, signal receiving device is provided with output end, and signal-testing apparatus passes through second
Input interface 12 is electrically connected with the output end of signal receiving device, the multi-channel electric signal after acquisition processing, is completed second and is tested,
Second test verification is multi-channel electric signal after the processing that signal processing module is exported in signal receiving device, passes through checking
Whether multi-channel electric signal is abnormal, is also able to verify that signal processing module is with the presence or absence of abnormal in signal receiving device.
Tested twice in the present embodiment and share a signal-testing apparatus, because the interface for testing needs twice is different, institute
To set two input interfaces, i.e. the first input interface 11 and the second input interface 12, facilitate user to signal receiving circuit plate
Signal detection is carried out with signal receiving device.
Optionally, the first input interface 11 is exported specifically for the multiple optical signal receivers received in signal receiving circuit
The electric signal of multichannel first and/or multiple ultrasonic signal receivers output the electric signal of multichannel second；Signal processing module 2 is specific
For the electric signal of multichannel first to be converted into multiplex pulse voltage signal, the electric signal of multichannel second is amplified；Microprocessor 3
Specifically for carrying out judgement processing based on the second electric signal after multiplex pulse voltage signal, and multichannel amplification, it is determined that abnormal
Optical signal receiver and/or ultrasonic signal receivers, and send cue to display module 4 and shown.
Signal receiving device is device essential on indoor positioning device, for example, meeting on the VR helmets and VR handles
Setting signal reception device, for Indoor Robot, it is also desirable to pass through the signal receiving device localization machine in robot
The position of device people indoors, to be controlled to robot.Signal receiving device be typically integrated with multiple optical signal receivers and/
Or ultrasonic signal receivers/or electromagnetic signal receiver, for receiving, comprehensive signal is accurately positioned with realizing.For example pass through
Multiple optical signal receivers obtain accurate positioning；Or location information can be also obtained by multiple ultrasonic signal receivers,
For example by three ultrasonic signal receivers with regard to the positioning of object in three dimensions can be obtained；Or by optical signal receiver and
Ultrasonic signal receivers are positioned；Or positioned by electromagnetic signal and optical signal.
In a kind of specific embodiment, positioned by multiple optical signal receivers and ultrasonic signal receivers,
Optical signal receiver is used for orientation angle, and ultrasonic signal receivers are used for orientation distance.Exemplary, signal can be received and filled
Install and be set to spherical, have multiple optical signal receivers and ultrasonic signal receivers plus cross-distribution in ball surface, for example, 6
Optical signal receiver and 7 ultrasonic signal receivers, then signal receiving device signal receiver can comprehensive reception optical signal and
Ultrasonic signal.But, in the assembling process of signal receiving device, optical signal receiver and ultrasonic signal receivers, which exist, to be damaged
Harmful possibility, if being compromised, location equipment can not realize that accurately positioning in signal receiving circuit and signal, it is necessary to connect
Optical signal receiver and ultrasonic signal receivers are detected in receiving apparatus assembling process, general test method is to pass through oscillography
Device detects the output signal of optical signal receiver and ultrasonic signal receivers one by one, and is found by the method for artificial judgment
The optical signal receiver and ultrasonic signal receivers of damage.
The signal-testing apparatus that the present embodiment is provided, can be received to all optical signal receivers and ultrasonic signal simultaneously
Device is tested.
With reference to Fig. 1, the first input interface 1 is electrically connected with measured signal receiving circuit, for receiving in signal receiving circuit
The second electric signal that the first electric signal and each ultrasonic signal receivers of each optical signal receiver output are exported.
The optical signal receiver can convert optical signals to electric signal.Optionally, the optical signal receiver can be
Photodiode, the area of the PN junction of photodiode is relatively large, and to receive incident light, photodiode is in reverse electricity
The lower work of pressure effect, when there is no light irradiation, reverse current is extremely faint, when there is illumination, and reverse current increases rapidly, and
The intensity of light is bigger, and reverse current is also bigger, and the change of light causes the change of photodiode current, so that photodiode is defeated
The electric signal gone out is able to record that the optical signal that optical signal receiver is received.
Ultrasonic signal can be converted to electric signal by the ultrasonic signal receivers.Optionally, the ultrasonic signal is received
Device can be ultrasonic sensor, and ultrasonic sensor can be divided into piezoelectric type, electrodynamic type, condenser type etc. according to operation principle.
For example, when piezoelectric-type ultrasonic wave sensor receives ultrasonic vibration, an electric signal will be produced, so as to be recorded by electric signal
Ultrasonic signal.
Signal processing module 2 is electrically connected with the first input interface 1 and microprocessor 3 respectively, for input interface 1 to be received
The electric signal of multichannel first and the electric signal of multichannel second handled, for example by the electric signal of multichannel first be converted to multiplex pulse electricity
Signal is pressed, the electric signal of multichannel second is amplified and filtering process.
The light that microprocessor 3 launches the second electric signal after above-mentioned every road pulse voltage signal and amplification with emission source
Signal and ultrasonic signal are contrasted, and judge abnormal pulse voltage signal and the second abnormal electric signal, and according to pulse
The one-to-one relationship of voltage signal and optical signal receiver, judges abnormal optical signal receiver, according to the second of amplification
The one-to-one relationship of electric signal and ultrasonic signal receivers, judges abnormal ultrasonic signal receivers, and send prompting letter
Cease the optical signal receiver that is showed abnormality to display module 4, display module 4 and the numbering of ultrasonic signal receivers or other
Information so that user is known, so as to be replaced to abnormal optical signal receiver and ultrasonic signal receivers.
Signal-testing apparatus provided in an embodiment of the present invention, including the first input interface, signal processing module, microprocessor
And display module.The input interface is used to electrically connect with signal receiving circuit to be measured, for receiving signal receiving circuit
In multiple optical signal receivers correspond output the electric signal of multichannel first and multiple ultrasonic signal receivers correspond
The electric signal of multichannel second of output；Signal processing module is electrically connected with input interface, for by the electric signal of multichannel first and multichannel
Second electric signal is handled, specifically, the electric signal of multichannel first can be converted into multiplex pulse voltage signal, by multichannel
Two electric signals are amplified and filtered；The microprocessor carries out failure according to the first electric signal after processing and the second electric signal
Judge, specifically, breakdown judge is carried out to multiplex pulse voltage signal and multichannel square wave voltage signal, and determine abnormal arteries and veins
Voltage signal and the second electric signal are rushed, so that the optical signal receiver and ultrasonic signal that determine exception according to corresponding relation are received
Device, and send cue to display module and shown.This programme can be believed multiple light in signal receiving circuit simultaneously
Number receiver and multiple ultrasonic signal receivers are detected, without using oscillograph one as existing method of testing
Each and every one all optical signal receiver and ultrasonic signal receivers are detected on ground, manpower and time can be saved.Above-mentioned
On the basis of embodiment, with reference to Fig. 2, Fig. 2 is the structure chart of another signal-testing apparatus provided in an embodiment of the present invention, optional
, signal-testing apparatus also includes the second input interface 12；
First input interface 11 is electrically connected with the output end of signal receiving circuit, many in signal receiving circuit for obtaining
The electric signal of multichannel first of individual optical signal receiver output and the electric signal of multichannel second of multiple ultrasonic signal receivers output；
The output of signal receiving device of second input interface 12 with being mounted with signal receiving circuit and signal processing module
End electrical connection, for when signal receiving circuit and signal processing module are arranged on signal receiving device, acquisition to be mounted with letter
The electric signal of multichannel first and the electric signal of multichannel second of the signal receiving device output of number receiving circuit and signal processing module.Its
In be arranged on signal receiving device on signal processing module and signal-testing apparatus on signal processing module 2 design phase
Together.
Since it is desired that carrying out one to the optical signal receiver on signal receiving circuit plate and ultrasonic signal receivers
Secondary test, then when whole signal receiving circuit can work, signal-testing apparatus connects signal by the first input interface 11
Circuit board for receiving, so as to access in signal receiving circuit, obtains the electric signal of multichannel first and the electric signal of multichannel second, completes first
Secondary test.
When completing the assembling of signal receiving device, in order to prevent damaging in an assembling process on signal receiving circuit plate
Ultrasonic signal receivers and optical signal receiver, then need to carry out second of test, signal receiving device is provided with output end, believes
Number test device is electrically connected by the second input interface 12 with the output end of signal receiving device, to access signal receiving circuit
In, the electric signal of multichannel first and the electric signal of multichannel second are obtained, second is completed and tests.
Tested twice in the present embodiment and share a signal-testing apparatus, because the interface for testing needs twice is different, institute
To set two input interfaces, i.e. the first input interface 11 and the second input interface 12, facilitate user to signal receiving circuit plate
Signal detection is carried out with signal receiving device.
Optionally, with reference to Fig. 3, Fig. 3 is the structure chart of the third signal-testing apparatus provided in an embodiment of the present invention, signal
Processing module 2 includes the multiple and one-to-one photoelectric processing unit 21 of the electric signal of multichannel first；
The input of photoelectric processing unit 21 is electrically connected with input interface 11, for the first electric signal to be handled, by
Current signal is converted to pulse voltage signal and exported to microprocessor.
If setting photodiode is optical signal receiver, the electric signal of optical signal receiver output is sinusoidal electric current
Signal, then photoelectric processing unit 21 can be converted to sinusoidal current signal pulse voltage signal, and export to microprocessor 3
Row breakdown judge.
With reference to Fig. 4, Fig. 4 is the structure chart of photoelectric processing unit provided in an embodiment of the present invention, and photoelectric processing unit 21 is wrapped
Include：Transreactance amplifier 211, wave filter 212 and envelope detector 213；
Input IN1 and the electricity of the first input interface 11 that the input of transreactance amplifier 211 passes through photoelectric processing unit 21
Connection, pulse voltage signal is converted to for the electric signal of multichannel first that receives the first input interface 11 by current signal；Filter
The input of ripple device 212 is electrically connected with the output end of transreactance amplifier 211, output end and the input electricity of envelope detector 213
Connection, for the noise in filtered pulse voltage signal；Envelope detector 213 is used to filter out interference light from pulse voltage signal
The electric signal and voltage pulse output signal that source is produced are to microprocessor 3.
Transreactance amplifier 211 is a kind of circuit structure commonly used in the preposition amplification of Photoelectric Detection, and transreactance amplifier is used for
Foreign current is converted into voltage.In the present embodiment, the first electric signal that transreactance amplifier 211 receives the first input interface turns
Pulse voltage signal is changed to, and filters out by wave filter 212 noise in pulse voltage signal, but is existed in optical signal receiver
When receiving optical signal, because laser signal is weaker, interference is easily received under light or natural light, in addition it is also necessary to pass through envelope
Detector 213 filters out the electric signal that the jamming light source in pulse voltage signal is produced, because the electric signal that jamming light source is produced
The light source that pulse frequency and emission source are produced is different, so envelope detector 213 filters out interference by the difference of pulse frequency
The signal of light source, envelope detector 213 will filter out the pulse voltage after interference by the output end OUT1 of photoelectric processing unit 21
Signal output is to microprocessor 3.
In addition, with reference to Fig. 4, optionally, photoelectric processing unit 21 is circumscribed with regulation electric capacity C4 and regulation resistance R7；Input
IN1 is electrically connected by adjusting electric capacity C4 with the first input interface 11, and the offset side RBIAS of photoelectric processing unit 21 is by adjusting electricity
R7 ground connection is hindered, by changing regulation electric capacity C4 and regulation resistance R7 size, the multiplication factor of photoelectric processing unit 21 is can adjust
And power consumption.Also include biasing circuit 214 in photoelectric processing unit 21, for for photoelectric processing unit 21 provide one it is suitable quiet
State operating point.
Photoelectric processing unit 21 also includes pin simulation power end AVDD and digital power end DVDD, photoelectric processing unit 21
Analog power end AVDD be grounded by electric capacity C5, and by resistance R8 connect high level constitute decoupling circuit, for filtering out power supply
Noise, the digital power end DVDD of photoelectric processing unit 21 is grounded by electric capacity C6, and analog power end AVDD and numeral electricity
Source DVDD is connected inside photoelectric processing unit 21 by resistance R9, the noise signal for filtering out digital power end DVDD.
Optionally, with reference to Fig. 3, signal transacting mould 2 includes the multiple and one-to-one acoustic-electric processing unit 22 of the electric signal of multichannel second；Sound
The input of electric treatment unit 22 is electrically connected with the first input interface 11, for respectively by the second electric signal output after amplification extremely
Microprocessor 3.The second electric signal received by ultrasonic signal receivers is fainter, and clutter is more, it is necessary to by multistage
Amplification and filtering process are analyzed and judged come the waveform to the second electric signal.
If it is ultrasonic signal receivers, the electric signal of ultrasonic signal receivers output to set piezoelectric-type ultrasonic wave sensor
For pulse-like voltage signal, each pulse-like voltage signal is made up of many crests, and acoustic-electric processing unit 22 can be by pulse type electricity
Pressure signal is amplified and filtered, and exports to the progress breakdown judge of microprocessor 3.
Optionally, with reference to Fig. 5, Fig. 5 is the structure chart of acoustic-electric processing unit provided in an embodiment of the present invention, and acoustic-electric processing is single
Member 22 includes the casacade multi-amplifier of series connection, exemplary, as shown in figure 5, settable dual-stage amplifier；The first amplifier of series connection
Input electrically connected by the input IN2 of acoustic-electric processing unit with the first input interface 11, the output end of last position amplifier
Electrically connected by the output end OUT2 of acoustic-electric processing unit 22 with microprocessor 3, every grade of amplifier is same amplification voltage signal
When be filtered.Because the second electric signal is the pulse-like signal that there are positive and negative values, and microprocessor 3 only handle on the occasion of, so
A reference voltage VREF is provided in the input of the first amplifier, with specific reference to amplitudes of the voltage VREF according to the second electric signal
Depending on, as shown in figure 5, reference voltage VREF will be raised from the magnitude of voltage of input IN2 the second electric signals inputted so that pulse
The minimum voltage value of shape signal is on the occasion of so that microprocessor 3 is able to record that and handles whole on the occasion of pulse type waveform.
It is worth noting that, above-mentioned acoustic-electric processing unit and photoelectric processing unit are two kinds of specific realities for realizing signal transacting
Mode is applied, corresponding function can also be realized by other electronic devices, and can be other processing modes, the present embodiment pair
This is without limiting.
Optionally, microprocessor 3 is based on the electric signal of multichannel first after processing, specifically, based on multiplex pulse voltage letter
The frequency per road first electric signal number is obtained, if frequency and the difference of setpoint frequency are more than the first given threshold, it is determined that the road
The corresponding optical signal receiver of first electric signal occurs abnormal, and sends prompt message to display module 4 and is shown；Microprocessor
Device 3 be additionally operable to based on processing after the electric signal of multichannel second, specifically, obtained based on filtered second electric signal is amplified per road
The amplitude of different crests in each pulse-like voltage signal of second electric signal, is compared with setting amplitude, if more than setting
The crest quantity of amplitude is more than threshold value, then illustrates that the ultrasonic signal receivers corresponding to the road secondary signal are working properly, do not have
It is damaged, if the crest quantity more than setting amplitude is less than threshold value, it is determined that the corresponding ultrasonic signal of the electric signal of road second connects
Receive device and exception occur, and send prompt message to display module 4 and shown；Further, after microprocessor 3 can be based on processing
The electric signal of multichannel second, specifically, figure number per the electric signal of road second is obtained based on filtered second electric signal is amplified
According to, and graph data is sent to display module 4 shown.
For optical signal, microprocessor 3 directly by frequency judge the first electric signal whether exception, for example,
If the frequency of the optical signal of emission source transmitting is 60Hz, by the frequency for judging the first electric signal that optical signal receiver is exported
Whether it is 60Hz, you can judge the corresponding optical signal receiver of the optical signal of road first with the presence or absence of abnormal.Signal processing module
First optical signals current signal is converted into pulse voltage signal, microprocessor 3 can be easy to obtain the frequency of the first optical signal
Rate, carries out the whether abnormal judgement of signal.Microprocessor 3 obtains the frequency per the electric signal of road first according to each road pulse voltage signal
Rate, and the frequency for the laser signal that the frequency of the first electric signal of acquisition and emission source are launched, i.e. setpoint frequency are compared,
If frequency is identical, illustrates that the optical signal receiver corresponding to the signal of road first is working properly, be not damaged, if difference is big
It is more than error range in given threshold, i.e. difference, then judges that optical signal receiver occurs abnormal, microprocessor 3 sends prompting letter
Breath to display module 4 is shown.
For ultrasonic signal, microprocessor 3 directly can judge whether the second electric signal is abnormal by amplitude, for example,
If the frequency of the ultrasonic signal of emission source transmitting is 40kHz, by judging each pulse type that ultrasonic signal receivers are exported
Reach whether the number of the crest of predetermined amplitude is more than threshold value in second electric signal, to judge that the ultrasonic signal of road second is corresponding
Ultrasonic signal receivers are with the presence or absence of abnormal.Second ultrasonic signal is amplified filtering by signal processing module, can be easy to micro-
Processor 3 obtains the amplitude of the second ultrasonic signal, carries out the whether abnormal judgement of signal.Microprocessor 3 amplifies according to each road
Voltage signal obtains the amplitude of different crests in each pulse-like voltage signal per road second electric signal, and by the second of acquisition
The amplitude of electric signal is compared with setting amplitude, if the crest quantity more than setting amplitude is more than threshold value, illustrates the road the
Ultrasonic signal receivers corresponding to binary signal are working properly, are not damaged, if the crest quantity more than setting amplitude is less than
Threshold value, then judge that ultrasonic signal receivers occur abnormal, microprocessor 3 sends prompt message to display module 4 and shown.Show
Example property, the frequency of the ultrasonic wave of emission source transmitting is 40kHz, and is sent each second 60 times, i.e., ultrasonic signal receivers are every
Second 60 pulse voltage signals are received, each pulse voltage signal is made up of 40kHz ultrasonic waveform.Then only need to calculate every
The amplitude of the crest included in the electric signal of road in each pulse voltage signal, and be compared with setting amplitude, if each pulse
The quantity for exceeding the crest of setting amplitude in voltage signal is less than the second given threshold, for example, the second given threshold scope is
2000~4000, generally, there is each of abnormal ultrasonic wave in this number range by repeatedly measuring and experiment is obtained
The quantity for exceeding the crest of setting amplitude in pulse voltage signal is less than this second given threshold scope.
But for ultrasonic signal, only exceed the ripple of setting amplitude in each pulse-like voltage signal by calculating
Peak number amount judges whether the second electric signal is abnormal it is possible that the phenomenon failed to judge and misjudge, so microprocessor 3 is based on putting
The big filtered electric signal of multichannel second obtains the graph data per the electric signal of road second, and graph data is sent to display mould
Block 4, display module 4 shows the figure of every electric signal of road second, sentences so that user carries out failure according to figure to the second electric signal
It is disconnected, for example, the second electric signal received is not pulse-like voltage ripple, or receives the amplitude exception of the second electric signal, all
User is needed to be contrasted and judged.
Optionally, with reference to Fig. 3, microprocessor 3 includes number obtainment unit 31 and figure acquiring unit 32；
Number obtainment unit 31 is used for the quantity for calculating the pulse of the first electric signal received within the unit interval, and calculates
Exceed the quantity of the crest of setting amplitude in each second electric signal in each pulse-like voltage signal；Figure acquiring unit 32 is used
In per the electric signal of road second by analog quantity digital quantity will be converted to, and digital quantity is converted into graph data.
Microprocessor 3 is for handling digital quantity, if it is desired to obtain the second telecommunications of the pulse form of multiple crest compositions
Number figure, then need figure acquiring unit 32 that the analog quantity of second electric signal is converted into digital quantity, specifically, every identical
The numerical value of the current point in time of the second electric signal received is gathered for a period of time, the numerical value formed in numerical value and time plane
Point, and all numerical points are sequentially connected with, form graph data.Then microprocessor 3 again sends graph data to display
Module 4, then display module 4 oscillogram of the second electric signal is shown according to graph data.
Optionally, display module 4 includes and the one-to-one multiple display lamps of multiple signal receivers；Display lamp is used to work as
During the cue for the corresponding signal receiver for receiving the transmission of microprocessor 3, change the state that display lamp is shown.
Optionally, display module 4 includes one-to-one with multiple optical signal receivers and multiple ultrasonic signal receivers
Multiple display lamps, display lamp is used for when the corresponding optical signal receiver and ultrasonic signal receivers that receive microprocessor transmission
Cue when, change the state that shows of display lamp, the color of such as display lamp, light on and off；
Optionally, display module 4 can also include at least one display screen, and display screen is used for what is sent according to microprocessor
The graph data of the electric signal of multichannel second, oscillogram of the display per the electric signal of road second.
Microprocessor 3 is capable of the quality of automatic decision optical signal receiver and ultrasonic signal receivers, and by with it is multiple
Optical signal receiver and the one-to-one multiple display lamps of ultrasonic signal receivers are pointed out, but are due to that ultrasonic signal is received
The abnormal conditions of device are more complicated, except being pointed out using display lamp, can also set display screen to show each telecommunications of road second
Number waveform, judged with user.
The display lamp can be LED, and the display lamp can identify failure by the change of color, if for example,
Optical signal receiver fault-free corresponding to display lamp, then display lamp shows green glow, if the optical signal corresponding to display lamp is received
There is failure in device, then the light that the display lamp is sent is red.The display lamp can also identify failure, example by light on and off situation
Such as, if display lamp does not have bright, the corresponding optical signal receiver fault-free of the display lamp is illustrated, if display lamp quilt in test process
Light, then illustrate that the corresponding optical signal receiver of the display lamp has failure.
Exemplary, model WS2812S LED can be set to show failure.With reference to Fig. 6, Fig. 6 is this hair
The structure of display lamp in the structure chart for the display lamp that bright embodiment is provided, Fig. 6 is WS2812S cascade structure.WS2812S is
One integrates the intelligent external control LED/light source for controlling circuit and illuminating circuit.Its external form is identical with a 5050LED lamp bead,
Each element is a pixel.Intelligent digital interface data latch signal shaping amplification driving electricity is contained inside pixel
Road, also includes high-precision internal oscillator and programmable Given current controller part, the color of pixel light has been effectively ensured
It is highly consistent.
WS2812S include data-out pin DI and data output pins DO, logic power pin VCC, for for control
Circuit is powered, and the entirely energization pins VDD of LED, and pin VSS is then signal ground and power ground pin.
Because multiple WS2812S are connected in series, microprocessor 3 often sends a prompt message, and each WS2812S can connect
Receive data.Then microprocessor 3 is judging all optical signal receivers whether after exception, by abnormal prompt message and just
Normal prompt message is all packed into a packet, and the input information of all display lamps is included in this packet, this number
According to bag by first WS2812S input DI, first WS2812S by the input information in packet about first WS2812S
Take out, by remaining data, composition data bag is transmitted to second WS2812S by output end DO again, by that analogy, then institute
Some WS2812S can receive the prompt message of corresponding optical signal receiver by input DI, carry out display color
Change.
Multiple optical signal receivers and many on the arrangement of multiple display lamps and signal receiving circuit plate in display module 4
The arrangement of individual ultrasonic signal receivers is consistent, exemplary, as shown in fig. 7, including 3 light letters on signal receiving circuit plate
Number receiver 51 and 4 ultrasonic signal receivers, 52,3 optical signal receivers 51 and 4 ultrasonic signal receivers 52 are in circuit
Arranged on plate in rice font, display module 4 includes 7 LED display lamps, 41,7 LED display lamps 41 and arranged in rice font, each
LED display lamps are corresponded in an optical signal receiver 51 or a ultrasonic signal receivers 52, for example, on display module 4
LED display lamps positioned at rice font the top correspond on signal receiving circuit plate the ultrasonic wave reception for being located at rice font the top
Device.This one-to-one relation, is easy to tester to be intuitive to see which optical signal receiver or ultrasonic signal receivers have
Failure, can be checked and be changed for faulty receiver.
The display screen is used for showing the oscillogram of the second electric signal, and the display screen can be LCDs or have
Machine light emitting display, and other are capable of the display screen of display waveform curve.
Optionally, in addition to：Power module and reseting module；Power module is used to provide work for signal-testing apparatus
Voltage；Reseting module is used for after the completion of test, and measurement data is zeroed to re-start test.
Because the signal-testing apparatus that the present embodiment is provided will be that signal receiving circuit and signal receiving device are provided twice
Test, and need to test substantial amounts of signal receiving circuit and signal receiving device, then after the completion of once testing, use
Reseting module is triggered in family by reset key, and measurement data is zeroed, and modules are to re-start test job.
In other embodiments, multiple OSPs such as are only included in the signal receiving circuit of signal receiving device,
Then signal-testing apparatus includes the first input interface, signal processing module, microprocessor and display module.First input connects
The electric signal of multichannel first for multiple optical signal receivers output that mouth is used to receive in signal receiving circuit；The signal transacting mould
Block is used to the electric signal of multichannel first being converted to multiplex pulse voltage signal；The microprocessor is used to be based on the multichannel
Pulse voltage signal carries out judgement processing, it is determined that abnormal optical signal receiver, and cue is sent to the display module
Shown.Signal processing module, microprocessor and display module are to the processing of the first electric signal as described in above-mentioned embodiment.
In other embodiments, multiple ultrasonic signal processings such as are only included in the signal receiving circuit of signal receiving device
Device, then signal-testing apparatus include the first input interface, signal processing module, microprocessor and display module.Described first is defeated
The electric signal of multichannel second for multiple ultrasonic signal receivers output that incoming interface is used to receive in signal receiving circuit；The signal
Processing module is used to the electric signal of multichannel second being amplified；The microprocessor is used for based on after multichannel amplification
Second electric signal carries out judgement processing, it is determined that abnormal ultrasonic signal receivers, and cue is sent to the display module
Shown.Signal processing module, microprocessor and display module are to the processing of the second electric signal as described in above-mentioned embodiment.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art it is various it is obvious change,
Readjust, be combined with each other and substitute without departing from protection scope of the present invention.Therefore, although by above example to this
Invention is described in further detail, but the present invention is not limited only to above example, is not departing from present inventive concept
In the case of, other more equivalent embodiments can also be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (12)
1. a kind of signal-testing apparatus, it is characterised in that including：First input interface, signal processing module, microprocessor and
Display module；
First input interface is electrically connected with signal receiving circuit, is received for receiving multiple signals in signal receiving circuit
The multi-channel electric signal of device output；
The signal processing module, input is electrically connected with first input interface, and output end is electrically connected with the microprocessor
Connect, for the multi-channel electric signal to be handled；
The microprocessor is used to carry out judgement processing based on the multi-channel electric signal after the processing, it is determined that abnormal signal is received
Device, and send cue to the display module and shown.
2. signal-testing apparatus according to claim 1, it is characterised in that first input interface is used to receive signal
What the electric signal of multichannel first and/or multiple ultrasonic signal receivers of multiple optical signal receivers output in receiving circuit were exported
The electric signal of multichannel second；
The signal processing module is used to the electric signal of multichannel first being converted to multiplex pulse voltage signal, by the multichannel
Second electric signal is amplified；
The second electric signal that the microprocessor is used to be based on after the multiplex pulse voltage signal, and multichannel amplification is sentenced
Disconnected processing, it is determined that abnormal optical signal receiver and/or ultrasonic signal receivers, and cue is sent to the display module
Shown.
3. signal-testing apparatus according to claim 1, it is characterised in that it is defeated that the signal-testing apparatus also includes second
Incoming interface；
The output end of signal receiving device of second input interface with being mounted with the signal receiving circuit is electrically connected, and is used for
The multi-channel electric signal for the signal receiving device output for being mounted with the signal receiving circuit is obtained, and by the multiple telecommunication
Number it is transferred to microprocessor.
4. signal-testing apparatus according to claim 2, it is characterised in that the signal processing module include it is multiple with it is many
The one-to-one photoelectric processing unit of the electric signal of road first；
The photoelectric processing unit includes：Transreactance amplifier, wave filter and envelope detector；
The input of the transreactance amplifier is electrically connected by the input of the photoelectric processing unit with first input interface
Connect, pulse voltage signal is converted to by current signal for the electric signal of multichannel first that receives first input interface；
The input of the wave filter is electrically connected with the output end of the transreactance amplifier, output end and the envelope detector
Input is electrically connected, for filtering the noise in the pulse voltage signal；
The envelope detector is used to filter out the electric signal of jamming light source generation from the pulse voltage signal and exports described
Pulse voltage signal is to the microprocessor.
5. signal-testing apparatus according to claim 2, it is characterised in that the signal processing module include it is multiple with it is many
The one-to-one acoustic-electric processing unit of the electric signal of road second；
The input of the acoustic-electric processing unit is electrically connected with first input interface, for second electric signal to be carried out
Amplify and filter, and filtered second electric signal output will be amplified respectively to the microprocessor.
6. signal-testing apparatus according to claim 2, it is characterised in that：
The microprocessor obtains the frequency per the electric signal of road first based on multiplex pulse voltage signal, if the frequency and setting
The difference of frequency is more than the first given threshold, it is determined that exception occurs in the corresponding optical signal receiver of the electric signal of road first, and
Prompt message to the display module is sent to be shown；
The microprocessor obtains each pulse voltage signal per the electric signal of road second based on the second electric signal that multichannel is amplified
The amplitude of middle different crests, is compared with setting amplitude, if the crest quantity more than setting amplitude is less than the second given threshold,
Then determine that the corresponding ultrasonic signal receivers of the electric signal of road second occur abnormal, and send prompt message to the display module
Shown.
7. signal-testing apparatus according to claim 6, it is characterised in that：
The second electric signal after the microprocessor is amplified based on multichannel obtains graph data per road second electric signal, and by institute
State graph data and send to the display module and shown.
8. signal-testing apparatus according to claim 7, it is characterised in that the microprocessor includes number obtainment unit
With figure acquiring unit；
The number obtainment unit is used for the quantity for calculating the pulse of first electric signal received within the unit interval, and counts
Exceed the quantity of the crest of setting amplitude in the electric signal of Suan Mei roads second in each pulse voltage signal；
The figure acquiring unit is used to every electric signal of road second being converted to digital quantity by analog quantity, and the digital quantity is turned
It is changed to graph data.
9. signal-testing apparatus according to claim 1, it is characterised in that the display module includes connecing with multiple signals
Receive the one-to-one multiple display lamps of device；
The display lamp is used to, when receiving the cue for the corresponding signal receiver that the microprocessor is sent, change
The state that display lamp is shown.
10. signal-testing apparatus according to claim 2, it is characterised in that the display module includes believing with multiple light
The one-to-one multiple display lamps of number receiver, and/or with the one-to-one multiple display lamps of multiple ultrasonic signal receivers；
The display lamp is used for when the corresponding optical signal receiver and/or ultrasonic signal that receive the microprocessor transmission connect
When receiving the cue of device, change the state that display lamp is shown.
11. signal-testing apparatus according to claim 7, it is characterised in that the display module is aobvious including at least one
Display screen；
The display screen is used for the cue sent according to the microprocessor, oscillogram of the display per the electric signal of road second.
12. the signal-testing apparatus according to claim 9 or 10, it is characterised in that multiple displays of the display module
The relative position relation of the relative position relation of lamp multiple signal receivers corresponding with the signal receiving circuit is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710637144.1A CN107332630B (en) | 2017-07-31 | 2017-07-31 | Signal testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710637144.1A CN107332630B (en) | 2017-07-31 | 2017-07-31 | Signal testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107332630A true CN107332630A (en) | 2017-11-07 |
| CN107332630B CN107332630B (en) | 2024-04-16 |
Family
ID=60227640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710637144.1A Active CN107332630B (en) | 2017-07-31 | 2017-07-31 | Signal testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107332630B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108227371A (en) * | 2018-01-03 | 2018-06-29 | 京东方科技集团股份有限公司 | Mask plate failure detector and method of detection |
| CN111932851A (en) * | 2020-06-01 | 2020-11-13 | 东南大学 | Signal receiving device and signal receiving method |
| US11516605B2 (en) | 2018-03-22 | 2022-11-29 | Yamaha Corporation | Audio device, server, audio system, and method of controlling audio device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6771904B1 (en) * | 2000-03-02 | 2004-08-03 | Oki Electric Industry Co., Ltd. | Optical transmission system and optical channel available quality measuring method |
| CN103808999A (en) * | 2012-11-13 | 2014-05-21 | 北京普源精电科技有限公司 | Oscilloscope with template testing function |
| CN104717006A (en) * | 2015-01-09 | 2015-06-17 | 北京奥普维尔科技有限公司 | System and method for testing multiple optical modules at the same time |
| CN206132924U (en) * | 2016-11-07 | 2017-04-26 | 绵竹市星科电器开关有限责任公司 | Local discharge monitoring device of transformer |
| CN106850078A (en) * | 2017-03-30 | 2017-06-13 | 北京凌宇智控科技有限公司 | A kind of optical signal receiving circuit and optical signal receiving device |
| CN206962824U (en) * | 2017-07-31 | 2018-02-02 | 北京凌宇智控科技有限公司 | A kind of signal-testing apparatus |
-
2017
- 2017-07-31 CN CN201710637144.1A patent/CN107332630B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6771904B1 (en) * | 2000-03-02 | 2004-08-03 | Oki Electric Industry Co., Ltd. | Optical transmission system and optical channel available quality measuring method |
| CN103808999A (en) * | 2012-11-13 | 2014-05-21 | 北京普源精电科技有限公司 | Oscilloscope with template testing function |
| CN104717006A (en) * | 2015-01-09 | 2015-06-17 | 北京奥普维尔科技有限公司 | System and method for testing multiple optical modules at the same time |
| CN206132924U (en) * | 2016-11-07 | 2017-04-26 | 绵竹市星科电器开关有限责任公司 | Local discharge monitoring device of transformer |
| CN106850078A (en) * | 2017-03-30 | 2017-06-13 | 北京凌宇智控科技有限公司 | A kind of optical signal receiving circuit and optical signal receiving device |
| CN206962824U (en) * | 2017-07-31 | 2018-02-02 | 北京凌宇智控科技有限公司 | A kind of signal-testing apparatus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108227371A (en) * | 2018-01-03 | 2018-06-29 | 京东方科技集团股份有限公司 | Mask plate failure detector and method of detection |
| US11516605B2 (en) | 2018-03-22 | 2022-11-29 | Yamaha Corporation | Audio device, server, audio system, and method of controlling audio device |
| CN111932851A (en) * | 2020-06-01 | 2020-11-13 | 东南大学 | Signal receiving device and signal receiving method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107332630B (en) | 2024-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107332630A (en) | A kind of signal-testing apparatus | |
| TWI242638B (en) | Color and intensity measuring module for test of light emitting components by automated test equipment | |
| EP2824434A1 (en) | System and method for calibrating a light source for simulating a spectrum of solar radiation | |
| CN101109659A (en) | Device and method for color recognition | |
| CN206024113U (en) | Diagnostic circuit, audio system and integrated circuit | |
| CN201607477U (en) | 800kV ultra-high voltage direct-current non-contact multichannel range-finding type electroscope | |
| CN106405345A (en) | Hand-held multi-functional hot-line detection apparatus and integrated detection diagnosis method thereof | |
| CN101819227A (en) | 800kV extra-high voltage direct-current non-contact multichannel distance measurement type electroscope | |
| CN101819226A (en) | 1000kV extra-high voltage alternating-current non-contact multichannel distance measurement type electroscope | |
| CN206962824U (en) | A kind of signal-testing apparatus | |
| CN109490723A (en) | A kind of ultrasonic wave visible detection method and ultrasonic wave Visual retrieval instrument | |
| CN103411679B (en) | A kind of colourity optical detection system and light detection method | |
| WO2017117875A1 (en) | Light source state detection system and method | |
| CN103197451B (en) | A kind of optic probe and comprise the equipment for measuring liquid crystal module Flicker flicker degree of this probe | |
| CN103048251A (en) | OBS (optical back scattering) working state detector | |
| CN105699336A (en) | Method, system and device for detecting luminousness of medium pervious to light | |
| CN206074668U (en) | LED car lamp current tester with auto-alarm function | |
| CN204718966U (en) | Mobile phone screen maintenance and mass detecting instrument | |
| CN104062673A (en) | Nuclear analyzer self-diagnosis system | |
| CN204330131U (en) | Pulsed light attenuation test circuit and be provided with the device of pulsed light attenuation test circuit | |
| CN220982636U (en) | Detection circuit of light-emitting device and electronic device | |
| CN112986799A (en) | FCT test fixture and method | |
| CN203164557U (en) | Optical probe and liquid crystal module flicker measurement unit comprising same | |
| CN206505307U (en) | A kind of household light fixtures service life supervision system based on PLC technology | |
| EP3196613B1 (en) | Method for calibrating a test light to simulate a fire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |