CN209514029U - A kind of intelligent LED lamp production line test device based on wireless networking - Google Patents
A kind of intelligent LED lamp production line test device based on wireless networking Download PDFInfo
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- CN209514029U CN209514029U CN201920021804.8U CN201920021804U CN209514029U CN 209514029 U CN209514029 U CN 209514029U CN 201920021804 U CN201920021804 U CN 201920021804U CN 209514029 U CN209514029 U CN 209514029U
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Abstract
The utility model discloses a kind of intelligent LED lamp production line test device based on wireless networking, including industrial personal computer, industrial personal computer are connect with wireless test transmitter, electric parameter detector, test fixture respectively, and electric parameter detector is connect with test fixture.The utility model has the characteristics that product low cost, quick, accurate, safety and using effect are good.
Description
Technical field
The utility model relates to LED light detection technique, a kind of specifically intelligent LED lamp producing line based on wireless networking
Test device.
Background technique
In order to directly replace traditional lighting lamps and lanterns, LED intelligent illumination uses the application scheme of wireless networking mostly.
But due to functions such as Intelligent lamp standby wireless communication, brightness adjustment controls, traditional LED light produces survey scheme can not be comprehensively to the performance of lamp
Being tested, while being also faced with producing line efficiency, human factor etc. influences.By being based on wireless group to the observation in practical producing line
The intelligent LED lamp of net faces following problem in production line test.
(1), the permission control of wireless networking is added in intelligent lamp in practical applications, in production line test in answered according to actual
With the detection that networks one by one is carried out, production efficiency is excessively low；
(2), the wireless control interface for reserving production line test, by wireless transmitter to intelligent LED brightness adjustment control to be measured.It should
Method can only simply carry out the detection of wireless control, light modulation to lamp.Can not detect and correct the actual radio-frequency performance of intelligent LED,
The precision etc. of light modulation；
(3), the wireless control order for producing survey process uses preset order, and leaking data is easy to cause network security
Accident；
(4), wireless networking has Mesh (ad hoc network) technology mostly, when carrying out the survey of more lamp inspections, holds in producing line
It easily causes and interferes with each other.
Utility model content
The purpose of the utility model is to overcome the shortcomings of the prior art and to provide a kind of product costs just
Preferably, quickly, accurately, safety and the good intelligent LED lamp production line test device based on wireless networking of using effect.
In order to achieve the above object, the utility model uses a kind of following technical scheme: intelligent LED based on wireless networking
Lamp production line test device, including the light modulation for sending order for controlling wireless test transmitter, receiving intelligent LED lamp response to be measured
The electrical parameter of value judges whether the electrical parameter of light modulation value is qualified and saves the industrial personal computer for producing measured data and exporting result；
The wireless test transmitter for surveying broadcasting command is produced for sending；
For installing the test fixture of intelligent LED lamp to be measured；
For testing the electrical parameter of the light modulation value of intelligent LED lamp response to be measured, and it is reported to the electrical parameters detection of industrial personal computer
Instrument；
Wherein, industrial personal computer is connect with wireless test transmitter, electric parameter detector, test fixture respectively, electrical parameters detection
Instrument is connect with test fixture.
The wireless test transmitter includes Bluetooth chip, and the end GND of Bluetooth chip is connect with the end GDN of USB chip, blue
The end D+ of tooth chip is connect with the end D+ of USB chip, and the end D- of Bluetooth chip is connect with the end D- of USB chip, USB chip it is defeated
It is connect out with the first pin of the power input of linear voltage regulator, the second pin of linear voltage regulator is connect with GND, linear voltage regulator
Third pin connect with to the power pins VCC of Bluetooth chip；PIO1, PIO2, PIO3, PIO4 of Bluetooth chip are separately connected
First pin of corresponding toggle switch, answers the second pin of toggle switch to connect with GND；The PIO5 and resistance R3 mono- of Bluetooth chip
End connection, the resistance R3 other end are connect with lamp LED1 anode, and lamp LED1 cathode is connect with GND；The PIO6 and resistance of Bluetooth chip
The connection of the one end R4, the resistance R4 other end are connect with lamp LED2 anode, and lamp LED2 cathode is connect with GND；The RF_out of Bluetooth chip
End is connect with the first pin of capacitor C1, capacitor C2 respectively, and the second pin of capacitor C2 is connect with GND, and the second of capacitor C1 is drawn
Foot is connect with the first pin of capacitor C4, resistance R2, resistance R1 respectively, capacitor C4, resistance R2 second pin connect with GND,
Resistance R1 second pin is connect with the first pin and antenna input of capacitor C3, and capacitor C3 second pin is connect with GND.
The test fixture includes microprocessor, and the end D+ of microprocessor is connect with the end D+ of test USB chip, micro process
The end D- of device is connect with the end D- of test USB chip, and the end VCC of microprocessor is connect with the output end of test USB chip；Micro- place
The end GND for managing device is connect with the end GND of test USB chip；The PIO 0 of microprocessor is connect with the first pin of start button, is opened
The second pin of dynamic button is connect with GND；Microprocessor PIO1 is connect with the first pin of resistance R8, the second pin of resistance R8
It is connect with the base stage of triode Q1, the emitter of triode Q1 is connect with GND；The collector of triode Q1 is with relay JQ1's
The connection of the first pin of coil, relay JQ1 second pin connect to power supply；Normally opened first contact of relay JQ1 and city's electrical fire
Line connection；Normally opened second contact relay JQ1 is connect with the first pin of coil of A.C. contactor J1；The line of A.C. contactor J1
The zero curve for enclosing second pin and alternating current connects；Normally opened first contact of A.C. contactor J1 is connect with alternating current firewire, ac contactor
Normally opened second contact of device J1 and the testing current of electric parameter tester input the connection of the first pin, the electric current of electric parameter tester
Test input second pin inputs the first pin with the voltage tester of the first pin of LED light to be measured and electric parameter tester respectively and connects
It connects；The voltage tester of LED light second pin to be measured and electric parameter tester inputs second pin and the zero curve of alternating current connects.
The industrial personal computer includes three or more USB interfaces；Wherein, USB1 is connect with wireless test transmitter, USB2 and electricity
Parameter detecting instrument connection, USB3 are connect with test fixture.
The output of the USB chip is+5V；The power supply output of linear voltage regulator is 3.3V.
The test USB chip output output is+5V.
The implementation method of the above-mentioned intelligent LED lamp production line test device based on wireless networking, comprising the following steps:
(1), it is produced and is surveyed by the start button starting of test fixture peripheral hardware, industrial personal computer controls the transmission of wireless test transmitter and produces
Survey broadcasting command；
(2), intelligent LED lamp to be measured, which receives after broadcasting command is surveyed in production, enters production survey mode, compares RRSI and (it is strong to receive signal
Angle value) threshold value, judge whether to need to respond the dimming state for producing and surveying；Itself external rf communication signal is simultaneously closed off, is prevented
The generation of interference and network storm between wireless signal；
(3), electric parameter detector tests the electrical parameter of the light modulation value of intelligent LED lamp response to be measured, and is reported to industrial personal computer
Host computer handled；
(4), the parameter reported that the host computer of industrial personal computer gets electric parameter tester carries out judgement and tests whether qualification,
It saves and produces measured data and export result；Lamp to be measured receive by signal after, close produce survey interface, produce survey complete.
There is the chip of wireless communication protocol inside the intelligent LED lamp to be measured；It produces wireless test transmitter when surveying and surveys
The distance that fixture keeps setting is tried, control signal is issued by way of broadcast by wireless test transmitter, is mounted on test clip
Intelligent LED lamp in tool, which enters, produces survey mode, according to the broadcast singal received and judges signal strength indication threshold value, is meeting threshold
Dimmer command is responded in situation within the scope of value, to reject the undesirable intelligent LED lamp of communication performance；Acquire different dimming states
Electrical parameter determined, judge intelligent LED lamp light modulation output it is whether normal.
The intelligent LED lamp wireless communication protocol to be measured includes bluetooth, ZigBee, WiFi and other are logical with RF radio frequency
Letter.
The wireless test transmitter includes Bluetooth chip, and the end GND of Bluetooth chip is connect with the end GDN of USB chip, blue
The end D+ of tooth chip is connect with the end D+ of USB chip, and the end D- of Bluetooth chip is connect with the end D- of USB chip, USB chip it is defeated
It is connect out with the first pin of the power input of linear voltage regulator, the second pin of linear voltage regulator is connect with GND, linear voltage regulator
Third pin connect with to the power pins VCC of Bluetooth chip；PIO1, PIO2, PIO3, PIO4 of Bluetooth chip are separately connected
First pin of corresponding toggle switch, answers the second pin of toggle switch to connect with GND；The PIO5 and resistance R3 mono- of Bluetooth chip
End connection, the resistance R3 other end are connect with lamp LED1 anode, and lamp LED1 cathode is connect with GND；The PIO6 and resistance of Bluetooth chip
The connection of the one end R4, the resistance R4 other end are connect with lamp LED2 anode, and lamp LED2 cathode is connect with GND；The RF_out of Bluetooth chip
End is connect with the first pin of capacitor C1, capacitor C2 respectively, and the second pin of capacitor C2 is connect with GND, and the second of capacitor C1 is drawn
Foot is connect with the first pin of capacitor C4, resistance R2, resistance R1 respectively, capacitor C4, resistance R2 second pin connect with GND,
Resistance R1 second pin is connect with the first pin and antenna input of capacitor C3, and capacitor C3 second pin is connect with GND；It is described
Test fixture includes microprocessor, and the end D+ of microprocessor is connect with the end D+ of test USB chip, the end D- of microprocessor and survey
The end the D- connection of USB chip is tried, the end VCC of microprocessor is connect with the output end of test USB chip；The end GND of microprocessor
It is connect with the end GND of test USB chip；The PIO0 of microprocessor is connect with the first pin of start button, and the second of start button
Pin is connect with GND；Microprocessor PIO1 is connect with the first pin of resistance R8, and the second pin of resistance R8 is with triode Q1's
Base stage connection, the emitter of triode Q1 are connect with GND；The collector of triode Q1 and the first pin of coil of relay JQ1
Connection, relay JQ1 second pin connect to power supply；Normally opened first contact of relay JQ1 is connect with alternating current firewire；Relay
Normally opened second contact JQ1 is connect with the first pin of coil of A.C. contactor J1；The coil second pin of A.C. contactor J1 with
The zero curve of alternating current connects；Normally opened first contact of A.C. contactor J1 is connect with alternating current firewire, and normally opened the of A.C. contactor J1
The testing current of two contacts and electric parameter tester inputs the connection of the first pin, the testing current input second of electric parameter tester
Pin inputs the first pin with the voltage tester of the first pin of LED light to be measured and electric parameter tester respectively and connect；LED light to be measured
The voltage tester of second pin and electric parameter tester inputs second pin and the zero curve of alternating current connects.
The utility model compared with the existing technology, have following advantages and effects
1, the industrial personal computer in the utility model is connect with wireless test transmitter, electric parameter detector, test fixture respectively,
Electric parameter detector is connect with test fixture.Have many advantages, such as that product low cost, quick, accurate, safety and using effect are good.
2, wireless test transmitter brand-new design in the utility model can satisfy test request, and performance is stablized, networking side
Just, work/malfunction coefficient is clear, form low-pass filter circuit andShape impedance network.
3, the test fixture brand-new design in the utility model according to the broadcast singal received and judges that RSSI (is received
Signal strength indication) threshold value, dimmer command is responded in situation meeting in threshold range, to reject the undesirable intelligence of communication performance
LED light and the generation for preventing network storm.The electrical parameter for acquiring different dimming states is determined, judges intelligent LED lamp
Light modulation output it is whether normal.
4, intelligent LED lamp to be measured in the production for receiving wireless Dongle (wireless test transmitter) surveys life in the utility model
After order, external device broadcasts information and Mesh mesh information are closed, anti-stop signal interferes with each other.Discriminating test is logical in producing survey
Later, it closes to produce and surveys interface, no longer response, which produces, surveys order, guarantees network security.
5, method provided by the utility model, suitable for the intelligent LED lamp for wirelessly communicating and being dimmed with single channel, multichannel；
The on-line testing simultaneously of multiple intelligent LED lamps can be achieved by extension；Semi-finished product and finished product suitable for intelligent LED lamp are surveyed
Examination.
Detailed description of the invention
Fig. 1 is a kind of connection schematic diagram of intelligent LED lamp production line test device based on wireless networking；
Fig. 2 is the circuit diagram of wireless test transmitter in the utility model；
Fig. 3 is the circuit diagram of test fixture in the utility model；
Fig. 4 is the flow diagram of the utility model.
Figure label is as follows with title:
| 1 | Industrial personal computer | 2 | Wireless test transmitter |
| 3 | Electric parameter detector | 4 | Test fixture |
| 5 | Intelligent LED lamp to be measured | 6 | Start button |
Specific embodiment
In order to facilitate the understanding of those skilled in the art, the utility model is made with reference to the accompanying drawings and embodiments further detailed
It describes in detail bright.
Embodiment 1:
As shown in figures 1-4, a kind of intelligent LED lamp production line test device based on wireless networking, including it is wireless for controlling
Test emitter sends order, the electrical parameter for the light modulation value for receiving intelligent LED lamp to be measured response, the electrical parameter that judges light modulation value are
No qualified and preservation produces measured data and exports the industrial personal computer of result；The wireless test transmitter for surveying broadcasting command is produced for sending；
For installing the test fixture of intelligent LED lamp to be measured；For testing the electrical parameter of the light modulation value of intelligent LED lamp response to be measured, and
It is reported to the electric parameter detector of industrial personal computer；Wherein, industrial personal computer respectively with wireless test transmitter, electric parameter detector, test
Fixture connection, electric parameter detector are connect with test fixture.The p-wire of electrical parameter instrument in the present embodiment and test fixture
Load connection, test fixture are equipped with start button one, the voltage of each load unit, testing current line and electricity in test fixture
Parameter tester connection, the power supply of lamp to be measured are provided by test fixture.
As shown in Fig. 2, the wireless test transmitter in the present embodiment includes Bluetooth chip, the end GND of Bluetooth chip and USB
The end GDN of chip connects, and the end D+ of Bluetooth chip is connect with the end D+ of USB chip, the end D- of Bluetooth chip and the D- of USB chip
The first pin of power input of end connection, the output of USB chip and linear voltage regulator connects, the second pin of linear voltage regulator with
GND connection, the third pin of linear voltage regulator are connect with the power pins VCC to Bluetooth chip；The PIO1 of Bluetooth chip,
PIO2, PIO3, PIO4 are separately connected the first pin of corresponding toggle switch, and the second pin of toggle switch is answered to connect with GND, use
Scheme control is surveyed in producing；The PIO5 of Bluetooth chip is connect with the one end resistance R3, and the resistance R3 other end is connect with lamp LED1 anode, lamp
LED1 cathode is connect with GND；The PIO6 of Bluetooth chip is connect with the one end resistance R4, and the resistance R4 other end and lamp LED2 anode connect
It connects, lamp LED2 cathode is connect with GND, is indicated for work and malfunction；The end RF_out of Bluetooth chip respectively with capacitor C1,
The first pin of capacitor C2 connects, and the second pin of capacitor C2 is connect with GND, the second pin of capacitor C1 respectively with capacitor C4,
Resistance R2, resistance R1 the first pin connection, capacitor C4, resistance R2 second pin connect with GND, resistance R1 second pin and
The first pin of capacitor C3 is connected with antenna input, and capacitor C3 second pin is connect with GND, and the above circuit forms low-pass filtering
Circuit andShape impedance network, wireless signal are transmitted by antenna.The output of USB chip in the present embodiment is+5V；Line
Property voltage-stablizer power supply output be 3.3V.Bluetooth chip uses the Bluetooth chip TLSR8269 of Thailand Ling Wei in the present embodiment.
As shown in figure 3, the test fixture in the present embodiment includes microprocessor, the end D+ of microprocessor and test USB core
The end D+ of piece connects, and the end D- of microprocessor is connect with the end D- of test USB chip, the end VCC of microprocessor and test USB core
The output end of piece connects；The end GND of microprocessor is connect with the end GND of test USB chip；The PIO 0 of microprocessor and starting
The connection of the first pin of button, the second pin of start button are connect with GND；The first pin of microprocessor PIO1 and resistance R8 connects
It connects, the second pin of resistance R8 is connect with the base stage of triode Q1, and the emitter of triode Q1 is connect with GND；Triode Q1's
Collector is connect with the first pin of coil of relay JQ1, and relay JQ1 second pin connects to power supply；Relay JQ1's is normal
The first contact is opened to connect with alternating current firewire；The first pin of coil of normally opened second contact relay JQ1 and A.C. contactor J1 connect
It connects；The coil second pin of A.C. contactor J1 and the zero curve of alternating current connect；Normally opened first contact of A.C. contactor J1 and city
The connection of electrical fire line, normally opened second contact of A.C. contactor J1 and the testing current of electric parameter tester input the first pin and connect
Connect, the testing current of electric parameter tester input second pin respectively with the first pin of LED light to be measured and electric parameter tester
Voltage tester inputs the connection of the first pin；The voltage tester of LED light second pin to be measured and electric parameter tester input second is drawn
The connection of the zero curve of foot and alternating current.Test USB chip output output in the present embodiment is+5V.Microprocessor in the present embodiment
Use Silicon Labs with the micro process C8051F340 of USB interface for core, the electrical parameter signal of acquisition passes through USB interface
It is uploaded to industrial personal computer.
Industrial personal computer in the present embodiment includes three or more USB interfaces；Wherein, USB1 is connect with wireless test transmitter,
USB2 is connect with electric parameter detector, and USB3 is connect with test fixture.
Industrial personal computer in the present embodiment is to grind magnificent IPC-510, the FD-12 that electric parameter tester is reached using volt, above-mentioned hardware
By buying in the market.
As shown in figure 4, the implementation method of the above-mentioned intelligent LED lamp production line test device based on wireless networking, including with
Lower step:
(1), it is produced and is surveyed by the start button starting of test fixture peripheral hardware, industrial personal computer controls the transmission of wireless test transmitter and produces
Survey broadcasting command；
(2), intelligent LED lamp to be measured, which receives after broadcasting command is surveyed in production, enters production survey mode, compares RRSI (signal strength
Value) threshold value, threshold value is according to Dongle wireless in producing line apart from 10 meters of distances of LED light to be measured, and Bluetooth transmission power is 8dBm, really
Determining RRSI (receiving signal intensity value) threshold value is -55dBm, and LED light to be measured receives production new signal, according to what is got
Whether RSSI value, multilevel iudge need to respond the dimming state for producing and surveying, simultaneously close off itself external rf communication signal, prevent
Interference between wireless signal；
(3), electric parameter detector tests the electrical parameter of the light modulation value of intelligent LED lamp response to be measured, and is reported to industrial personal computer
Host computer handled；
(4), the parameter reported that the host computer of industrial personal computer gets electric parameter tester carries out judgement and tests whether qualification,
It saves and produces measured data and export result；Lamp to be measured receive by signal after, close produce survey interface, produce survey complete.
There is the chip of wireless communication protocol inside intelligent LED lamp to be measured in the present embodiment；Wireless test when surveying is produced to send out
Emitter is kept at a distance from setting with test fixture, and control signal is issued by way of broadcast by wireless test transmitter, is installed
Intelligent LED lamp in test fixture, which enters, produces survey mode, according to the broadcast singal received and judges RSSI (signal strength
Value) threshold value, dimmer command is responded in situation meeting in threshold range, to reject the undesirable intelligent LED lamp of communication performance；It adopts
The electrical parameter for collecting different dimming states is determined judge whether the light modulation output of intelligent LED lamp is normal；Intelligent LED to be measured
Lamp wireless communication protocol include bluetooth, ZigBee, WiFi and other with RF radio communication.
Intelligent LED lamp closes after order is surveyed in the production for receiving wireless Dongle (wireless test transmitter) in the present embodiment
External device broadcasts information and Mesh mesh information are closed, anti-stop signal interferes with each other.After discriminating test passes through in producing survey, close
It closes production and surveys interface, no longer response, which produces, surveys order, guarantees network security.
According to above-mentioned method, traditional remote control difference dimming state, the method manually estimated are compared.The survey of single lamp
It tries the time and was reduced by original 15 seconds to 6 seconds, while supporting to cross while more lamps and can produce surveys, it is obvious to produce survey improved efficiency.By people
Work range estimation dimming state is adjusted to instrument test and produces to survey judgement, and online fraction defective detection reaches 100%.
Above-mentioned specific embodiment is the preferred embodiment of the utility model, can not be defined to the utility model,
Other any changes made without departing from the technical solution of the utility model or other equivalent substitute modes, are included in
Within the protection scope of the utility model.
Claims (6)
1. a kind of intelligent LED lamp production line test device based on wireless networking, it is characterised in that: including for controlling wireless test
Transmitter sends order, the electrical parameter for receiving the light modulation value that intelligent LED lamp to be measured responds, judges whether the electrical parameter of light modulation value closes
Lattice and preservation produce measured data and export the industrial personal computer of result；
The wireless test transmitter for surveying broadcasting command is produced for sending；
For installing the test fixture of intelligent LED lamp to be measured；
For testing the electrical parameter of the light modulation value of intelligent LED lamp response to be measured, and it is reported to the electric parameter detector of industrial personal computer；
Wherein, industrial personal computer is connect with wireless test transmitter, electric parameter detector, test fixture respectively, electric parameter detector with
Test fixture connection.
2. the intelligent LED lamp production line test device according to claim 1 based on wireless networking, it is characterised in that: described
Wireless test transmitter includes Bluetooth chip, and the end GND of Bluetooth chip is connect with the end GDN of USB chip, the end D+ of Bluetooth chip
It is connect with the end D+ of USB chip, the end D- of Bluetooth chip is connect with the end D- of USB chip, the output of USB chip and linear voltage stabilization
The first pin of power input of device connects, and the second pin of linear voltage regulator is connect with GND, the third pin of linear voltage regulator and
To the power pins VCC connection of Bluetooth chip；PIO1, PIO2, PIO3, PIO4 of Bluetooth chip are separately connected corresponding toggle switch
The first pin, answer the second pin of toggle switch to connect with GND；The PIO5 of Bluetooth chip is connect with the one end resistance R3, resistance
The R3 other end is connect with lamp LED1 anode, and lamp LED1 cathode is connect with GND；The PIO6 of Bluetooth chip is connect with the one end resistance R4,
The resistance R4 other end is connect with lamp LED2 anode, and lamp LED2 cathode is connect with GND；The end RF_out of Bluetooth chip respectively with capacitor
The first pin connection of C1, capacitor C2, the second pin of capacitor C2 connect with GND, the second pin of capacitor C1 respectively with capacitor
C4, resistance R2, resistance R1 the first pin connection, capacitor C4, resistance R2 second pin connect with GND, resistance R1 second draws
Foot is connect with the first pin and antenna input of capacitor C3, and capacitor C3 second pin is connect with GND.
3. the intelligent LED lamp production line test device according to claim 1 based on wireless networking, it is characterised in that: described
Test fixture includes microprocessor, and the end D+ of microprocessor is connect with the end D+ of test USB chip, the end D- of microprocessor and survey
The end the D- connection of USB chip is tried, the end VCC of microprocessor is connect with the output end of test USB chip；The end GND of microprocessor
It is connect with the end GND of test USB chip；The PIO 0 of microprocessor is connect with the first pin of start button, and the second of start button
Pin is connect with GND；Microprocessor PIO1 is connect with the first pin of resistance R8, and the second pin of resistance R8 is with triode Q1's
Base stage connection, the emitter of triode Q1 are connect with GND；The collector of triode Q1 and the first pin of coil of relay JQ1
Connection, relay JQ1 second pin connect to power supply；Normally opened first contact of relay JQ1 is connect with alternating current firewire；Relay
Normally opened second contact JQ1 is connect with the first pin of coil of A.C. contactor J1；The coil second pin of A.C. contactor J1 with
The zero curve of alternating current connects；Normally opened first contact of A.C. contactor J1 is connect with alternating current firewire, and normally opened the of A.C. contactor J1
The testing current of two contacts and electric parameter tester inputs the connection of the first pin, the testing current input second of electric parameter tester
Pin inputs the first pin with the voltage tester of the first pin of LED light to be measured and electric parameter tester respectively and connect；LED light to be measured
The voltage tester of second pin and electric parameter tester inputs second pin and the zero curve of alternating current connects.
4. the intelligent LED lamp production line test device according to claim 1 based on wireless networking, it is characterised in that: described
Industrial personal computer includes three or more USB interfaces；Wherein, USB1 is connect with wireless test transmitter, and USB2 and electric parameter detector connect
It connects, USB3 is connect with test fixture.
5. the intelligent LED lamp production line test device according to claim 2 based on wireless networking, it is characterised in that: described
The output of USB chip is+5V；The power supply output of linear voltage regulator is 3.3V.
6. the intelligent LED lamp production line test device according to claim 3 based on wireless networking, it is characterised in that: described
Testing the output of USB chip output is+5V.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920021804.8U CN209514029U (en) | 2019-01-07 | 2019-01-07 | A kind of intelligent LED lamp production line test device based on wireless networking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920021804.8U CN209514029U (en) | 2019-01-07 | 2019-01-07 | A kind of intelligent LED lamp production line test device based on wireless networking |
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| CN209514029U true CN209514029U (en) | 2019-10-18 |
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| CN201920021804.8U Active CN209514029U (en) | 2019-01-07 | 2019-01-07 | A kind of intelligent LED lamp production line test device based on wireless networking |
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