WO2017117875A1

WO2017117875A1 - Light source state detection system and method

Info

Publication number: WO2017117875A1
Application number: PCT/CN2016/078172
Authority: WO
Inventors: 王珊
Original assignee: 中兴通讯股份有限公司
Priority date: 2016-01-07
Filing date: 2016-03-31
Publication date: 2017-07-13
Also published as: CN106950034A

Abstract

A light source state detection system and method. The light source state detection system comprises: a light guide circuit (10) configured to acquire light source state information about a detected light source and transmit the light source state information to a light source state detection circuit (12); one or more paths of light source state detection circuits (12) connected to the light guide circuit (10) and configured to acquire spectrum value information about the detected light source according to the light source state information; a micro-control unit (MCU) control circuit (14) connected to the light source state detection circuit (12) and configured to convert the spectrum value information into a level signal, wherein the level signal is configured to represent the colour and/or state of the detected light source; and a test circuit (16) connected to the MCU control circuit (14) and configured to detect whether the colour and/or state of the detected light source is normal according to the level signal. The problem of the low efficiency of light source state detection in the related art is solved, and thus, the effects of improving the efficiency of light source state detection and the factory yield of light sources are achieved.

Description

Light source state detection system and method

Technical field

The present invention relates to the field of light source detection, and in particular to a light source state detection system and method.

Background technique

In the related art, the color and state detection of the indicator light source on the product are mostly detected by the human eye; in the case of long working hours, the tester may be fatigued or inattentive, and the state of the indicator light source cannot be correctly judged. The leakage of the indicator light, misplacement or poor soldering will affect the product quality and yield. Once the product is found to be missing or faulty, and all products are re-tested, the efficiency is extremely low and the automatic production of the product cannot be realized.

In view of the low detection efficiency of the light source state in the related art, no effective solution has been found yet.

Summary of the invention

Embodiments of the present invention provide a light source state detection system and method to at least solve the problem of low detection efficiency of a light source state in the related art.

According to an embodiment of the present invention, a light source state detecting system includes: a light guiding circuit configured to collect light source state information of a light source to be measured, and transmit the light source state information to a light source state detecting circuit; The multi-channel light source state detecting circuit is connected to the light guiding circuit, and is configured to acquire spectral value information of the measured light source according to the light source state information; a micro control unit MCU control circuit, and the light source state detecting circuit Connecting, configured to convert the spectral value information into a level signal, wherein the level signal is used to characterize a color and/or state of the measured light source; a test circuit coupled to the MCU control circuit, configured It is detected whether the color and/or state of the light source to be tested is normal according to the level signal.

Further, the MCU control circuit includes: an MCU detection circuit configured to convert the spectral value information into a corresponding level signal; the display circuit includes a display light source configured to display a light state corresponding to the level signal And / or light color.

Further, the MCU control circuit further includes: a level isolation conversion circuit configured to isolate the level signal to obtain a specified level signal, and send the specified level signal to the test circuit.

Further, the light guiding circuit includes: a positioning structure, configured to fix the light source to be measured, and collect light source state information of the light source to be measured; and an anti-interference structure, configured to shield the light source other than the measured light source The light signal of the light source; one or more light guiding fibers are connected to one or more of the light source state detecting circuits, and are arranged to transmit the light source state information to the light source state detecting circuit.

Further, the test circuit is further configured to: determine whether the level signal is the same as the preset level signal; and when the level signal is the same as the preset level signal, determine the color of the measured light source and/or State is normal; at the level signal When the preset level signals are different, it is determined that the color and/or state of the light source to be tested is abnormal.

Further, the MCU control circuit further includes: a multi-channel voltage conversion circuit connected to the power supply, and configured to respectively supply power to the MCU detection circuit, the display circuit, and the level isolation conversion circuit.

Further, the MCU control circuit further includes: a control circuit configured to receive the test control command and/or the switch control command, and open one or more of the relay circuits according to the test control command; one or more relay circuits And connecting the one or more of the light source state detecting circuit and the control circuit, and configured to turn on one or more of the light source state detecting circuits according to the test control instruction; and/or one or more powers And a relay circuit connected to the control circuit, configured to turn off one or more of the light source state detecting circuits according to the switching control command.

Further, the state of the light source to be tested includes at least one of the following: extinction, ignition, and flicker.

According to another embodiment of the present invention, a light source state detecting method is provided, including: a light source state detecting circuit receives a test control command; and the light source state detecting circuit detects one or more light source states indicated by the test control command Detecting a state of a light source of the corresponding one or more measured light sources on the circuit, and generating one or more light source state information; the light source state detecting circuit transmitting the one or more light source state information to the test circuit to detect the Whether the state of the light source of one or more of the measured light sources is consistent with the state of the preset light source.

Further, the one or more measured light sources are conducted to the one or more light source state detecting circuits through the light guiding circuit.

Further, detecting whether the state of the light source of the one or more measured light sources is consistent with the preset light source state comprises: determining whether the one or more light source state information is consistent with the preset light source state information of the measured light source; When the one or more light source state information is consistent with the preset light source state of the measured light source, determining that the light source state of the measured light source is normal, and the one or more light source state information and the measured When the preset light source states of the light source are inconsistent, it is determined that the light source state of the measured light source is abnormal.

In the embodiment of the present invention, a computer storage medium is further provided, and the computer storage medium may store an execution instruction for executing the light source state detection method in the above embodiment.

According to an embodiment of the present invention, a light guiding circuit is configured to collect light source state information of the light source to be measured, and transmit the light source state information to the light source state detecting circuit; one or more of the light source state detecting circuits, and the The light guiding circuit is connected to obtain the spectral value information of the measured light source according to the light source state information; the micro control unit MCU control circuit is connected to the light source state detecting circuit, and is configured to convert the spectral value information into a level signal, wherein the level signal is used to characterize a color and/or a state of the light source to be measured; a test circuit coupled to the MCU control circuit, configured to detect the measured value according to the level signal Whether the color and/or status of the light source is normal. The problem of low detection efficiency of the light source state in the related art is solved, and the effect of improving the detection efficiency of the light source state and the yield of the light source is achieved.

DRAWINGS

The drawings described herein are intended to provide a further understanding of the invention, and are intended to be a part of the invention. In the drawing:

1 is a system block diagram of a light source state detecting system in accordance with an embodiment of the present invention;

2 is an optional system block diagram of a light source state detecting system in accordance with an embodiment of the present invention;

3 is a flowchart of a light source state detecting method according to an embodiment of the present invention;

4 is a schematic diagram of a test flow in accordance with an alternative embodiment of the present invention.

detailed description

The invention will be described in detail below with reference to the drawings in conjunction with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

It is to be understood that the terms "first", "second" and the like in the specification and claims of the present invention are used to distinguish similar objects, and are not necessarily used to describe a particular order or order.

As used hereinafter, the terms "circuitry," "structure," may mean a combination of software and/or hardware that performs a predetermined function. Although the methods described in the following embodiments are preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.

In this embodiment, a light source state detecting system is provided. FIG. 1 is a system block diagram of a light source state detecting system according to an embodiment of the present invention. As shown in FIG. 1, the light guiding circuit 10 includes one or more light source states. a detection circuit 12, a Micro Controller Unit (MCU) control circuit 14, and a test circuit 16, wherein

The light guiding circuit 10 is configured to collect light source state information of the light source to be measured, and transmit the light source state information to the light source state detecting circuit;

Optionally, in this embodiment, the light source to be tested may be a light source that needs to be detected, and the light source may be various indicator lights and illumination lamps. The light source state information may include whether the light source is illuminated, whether the light source is blinking, the frequency of the flash, the color of the light source, the color changed when the light source is blinking, the light intensity, and the like.

The one or more light source state detecting circuit 12 is connected to the light guiding circuit and configured to acquire spectral value information of the light source to be tested according to the light source state information;

The micro control unit MCU control circuit 14 is coupled to the light source state detecting circuit and configured to convert the spectral value information into a level signal, wherein the level signal is used to characterize the color and/or state of the measured light source;

The test circuit 16 is coupled to the MCU control circuit and is configured to detect whether the color and/or state of the light source under test is normal based on the level signal.

In this embodiment, the light guiding circuit is configured to collect the light source state information of the light source to be measured, and transmit the light source state information to the light source state detecting circuit; the one or more light source state detecting circuit is connected to the light guiding circuit, and is set to Obtaining spectral value information of the measured light source according to the light source state information; the micro control unit MCU control circuit is connected to the light source state detecting circuit, and is configured to convert the spectral value information into a level signal, wherein the level signal is used to represent the measured light source The color and/or state; the test circuit, connected to the MCU control circuit, configured to detect the color and/or shape of the measured light source based on the level signal Whether the state is normal. The problem of low detection efficiency of the light source state in the related art is solved, and the effect of improving the detection efficiency of the light source state and the yield of the light source is achieved.

2 is an optional system block diagram of a light source state detecting system according to an embodiment of the present invention. As shown in FIG. 2, n is an integer greater than 1, and may represent one or more channels, except for the circuit of FIG. The MCU control circuit 14 includes:

The MCU detection circuit 20 is configured to convert the spectral value information into a corresponding level signal;

The display circuit 21 includes one or more display light sources for displaying light states and/or light colors corresponding to the level signals.

The level isolating conversion circuit 22 is configured to isolate the level signal to obtain a specified level signal, and send the specified level signal to the test circuit.

The multi-channel voltage conversion circuit 23 is connected to the power supply and is configured to supply power to the MCU detection circuit, the display circuit, and the level isolation conversion circuit, respectively.

The control circuit 24 is configured to receive the test control command and/or the switch control command, and open one or more relay circuits according to the test control command;

One or more relay circuits 25 are connected to one or more light source state detecting circuits and control circuits, and are configured to turn on one or more light source state detecting circuits according to the test control command;

The one or more power relay circuits 26 are connected to the control circuit and are arranged to turn off one or more light source state detecting circuits according to the switching control command.

as shown in picture 2. The light guiding circuit 10 includes: a positioning structure 30, an interference prevention structure 31, and one or more light guiding fibers 32, wherein

The positioning structure 30 is configured to fix the light source to be measured, and collect source state information of the light source to be tested;

The anti-interference structure 31 is configured to shield optical signals of other light sources except the light source to be tested;

One or more light guiding optical fibers 32 are connected to one or more light source state detecting circuits, and are arranged to transmit light source state information to the light source state detecting circuit.

As shown in FIG. 2, the test circuit 16 further includes: a control selection circuit 40, a receiving device 41, a power supply 42, and a computer PC43, wherein

The control selection circuit 40 is configured to send various test instructions according to a user operation, such as the above test control instruction, the above-mentioned switching control instruction, and the like;

The receiving device 41 is arranged to receive the designated level signal transmitted by the level isolation conversion circuit 22 and convert the specified level signal into a digital signal recognizable by the PC.

The power supply 42 is configured to provide various power sources of the system. The voltage of the power supply is V, V1, V2, V3, and V4 are voltages supplied to the respective circuits, or voltages reserved for the ports, such as V2.

The computer PC43 includes a host computer software for issuing a test command to the control selection circuit 40, and displaying the test result of the tested power source according to the digital signal sent by the receiving device 41.

Optionally, the test circuit 16 can detect whether the color and/or state of the light source under test is normal according to the level signal by using the following steps, including:

Step S11, determining whether the level signal is the same as the preset level signal;

Step S12, when the level signal is the same as the preset level signal, determining that the color and/or state of the light source to be tested is normal; when the level signal is different from the preset level signal, determining the color of the light source to be tested and/or Or the status is not normal.

Through the description of the above embodiments, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, The optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods of various embodiments of the present invention.

In the embodiment, a light source state detecting method is also provided, which is used in the above-mentioned light source state detecting circuit, and the method is used to implement the above-mentioned embodiments and preferred embodiments, which have not been described again. As used below, the term "module" may implement a combination of software and/or hardware of a predetermined function. Although the methods described in the following embodiments are preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.

FIG. 3 is a flowchart of a method for detecting a light source state according to an embodiment of the present invention. As shown in FIG. 3, the method includes:

Step S301, the light source state detecting circuit receives the test control instruction;

Step S302: The light source state detecting circuit detects a light source state of the corresponding one or more measured light sources on one or more light source state detecting circuits indicated by the test control instruction, and generates one or more light source state information;

Step S303: The light source state detecting circuit sends one or more light source state information to the test circuit to detect whether the light source state of the one or more measured light sources is consistent with the preset light source state.

In an alternative embodiment in accordance with the present embodiment, one or more of the measured light sources are conducted through a light guiding circuit to one or more of the light source state detecting circuits.

In an optional implementation manner of this embodiment, detecting whether the state of the light source of the one or more measured light sources is consistent with the preset light source state includes:

Step S21, determining whether the one or more light source state information is consistent with the preset light source state information of the light source to be tested;

Step S22, when one or more light source state information is consistent with the preset light source state of the light source to be measured, determining that the light source state of the light source to be tested is normal, and the one or more light source state information is inconsistent with the preset light source state of the measured light source. When it is judged, the state of the light source of the light source to be measured is abnormal.

The following is a detailed description in conjunction with an alternative embodiment in accordance with the invention:

The optional embodiment proposes an automatic detection device for the light source state of the indicator light, which aims to quickly and accurately determine whether the color state of the indicator light source is correct, and has an effect of smashing the indicator light, posting errors, and the like.

In order to achieve the above object, the present invention provides a device for automatically detecting the color state of different light sources. As shown in FIG. 2, the present invention includes: a light guiding circuit 10, a Micro Controller Unit (MCU) control circuit 14 The light source state detecting circuit 12.

The device is connected to the test circuit 16, and the test circuit comprises: a power supply, a control selection circuit, a receiving circuit, and a host computer PC.

The power supply directly supplies power to the MCU control circuit, which can be an adapter conversion, or can be directly powered by a DC source;

The control and receiving part (control selection circuit, receiving circuit) can control the light source state detecting circuit through the MCU control circuit, detect one or more channels, and receive the detection result given by the MCU control circuit.

The PC gives a control signal to the host computer software and receives the test result and displays it. The color state detection of the light source is only a part thereof, and may also include other test contents, which is not limited herein.

The MCU control circuit can include the following parts: four voltage conversion, MCU detection circuit, 8-way relay control circuit, 8-channel display circuit and level-isolated conversion circuit, 4-way power relay circuit; voltage conversion circuit through different resistance values The resistor converts the supply voltage into a voltage for the MCU chip, alarm pull-up, level isolation conversion, and reserved power supply; the MCU detection circuit may include: a main control chip, a download terminal, a dial switch, a program operation display circuit, etc.; The relay control circuit is controlled (turned on or off) by the level signal given by the MCU; the 8-channel display circuit consists of indicator lights, which are controlled by the MCU detection circuit; the 8-way level isolation conversion is to give the level given by the MCU. The conversion is performed to play the role of isolation; the 4-way power relay circuit can replace the manual switching of the switch during the test process to realize the automatic test.

The light guiding circuit transmits the light source at the indicator light of the light source to be detected to the light source state detecting circuit, including: a positioning structure, a light guiding fiber structure and an anti-interference structure. Through the structure indicator light source is transmitted to the light source state detecting circuit in the most realistic state, the accuracy of the light source state detecting circuit can be improved.

The light source state detecting circuit and the 8-way relay control circuit in the MCU control circuit are connected through the terminal and the cable, and the host computer and the MCU control one or more channels for detection.

FIG. 2 is a schematic block diagram of an automatic detecting device for different light source states of the indicator light according to an alternative embodiment. The device includes a test circuit 16, an MCU control circuit 14, a light source state detecting circuit 12, and a light guiding circuit 10.

The test circuit comprises four parts: the power supply supplies power to the automatic detection device, such as four relay control circuits on the MCU control circuit, including but not limited to an adapter or other DC source controlled by the PC; the control selection circuit passes the MCU The control circuit selects one or more paths of the light source state detecting circuit for detection, including but not limited to an instrument that can be controlled by a PC; the receiving device receives the level or waveform of the MCU control circuit, including but not limited to an instrument that can be controlled by a PC. The PC controls, receives and displays the test results through the host computer software;

The MCU control circuit includes: one or more voltage conversion circuits, pull-up circuits, one or more power relay circuits, control circuits, MCU detection circuits, road display circuits, one or more isolation conversion circuits, one or more relay circuits . One of the voltage conversion circuits can also be reserved as the rest of the test power supply, the voltage conversion circuit can also supply power to other voltage conversion circuits and pull-up circuits; the voltage conversion circuit supplies power to the MCU detection circuit; and the voltage conversion circuit supplies power to the level isolation conversion circuit. The pull-up circuit is used to reserve the rest of the test. The control circuit is composed of a DIP switch and a terminal, which can receive signals from the host computer, and can also control the level of the multi-channel level through the DIP switch; after receiving the control signal, the one or more channels of the control relay circuit are closed or closed. Broken, or the circuit level signal is detected by the MCU. One or more of the power relay circuits can also be used as a reserve for the rest of the test. The MCU detection circuit downloads the software through the port, then detects the level signal given by the control circuit, and then gives the signal control relay circuit closed. The relay circuit controls the light source state detecting circuit to work one way or multiple times after receiving the signal given by the MCU detecting circuit.

The spectral value detected by the light source state detecting circuit is fed back to the MCU detecting circuit through an integrated circuit (Inter-integrated Circuit, IIC) communication interface, and the MCU detecting circuit compares and gives a level signal to the display circuit to display the circuit light. The state is consistent with the state of the light source being tested (off, on, or flashing). At the same time, the MCU detection circuit sends the level signal to the level-isolated conversion circuit, performs level isolation conversion, and then sends it to the receiving device of the test circuit, and finally determines the color and state of the detection by the PC software of the PC. The states are consistent and the automated test results are given.

The light guiding circuit conducts the light source of the indicator light portion of the measured light source to the detecting chip filter of the light source state detecting circuit, and the light guiding circuit comprises: a positioning structure, an anti-interference structure and a light guiding optical fiber structure. The positioning structure can receive the intensity of the light source to the greatest extent; the anti-interference structure is used to prevent the interference of the external light source; the light guiding fiber structure is a conductive medium with low light intensity attenuation. The introduction of the light guiding circuit allows the detecting portion to be separated from the light source, and the design application is more flexible.

The optional embodiment can develop multi-channel indicator light source detection, and take 8 channels as an example for description. The working principle of this alternative embodiment is as follows:

A total of 8 signals from S1 to S8 are controlled by the upper computer of the test circuit. When one or more of S1 to S8 are pulled low (determined by the programming procedure), the MCU chip (such as Atmega32L-8AU chip) detects the corresponding. When the PORT port is low, the corresponding PORT port is pulled high, so that the relay is turned on, the corresponding color detection chip (such as TMG39933) starts to work, and the detected value is transmitted to the MCU chip through the IIC interface for comparison, and then Through the corresponding PAORT port output to the display circuit and the level conversion isolation circuit, the state of the indicator light in the display circuit is consistent with the state of the indicator light on the light source under test, and the level conversion circuit uploads the obtained level signal to the receiving device of the test circuit. And through the host computer software to determine whether the state is consistent with the required state.

FIG. 4 is a schematic diagram of a testing process according to an alternative embodiment of the present invention, as shown in FIG. 4, including:

Step S401, the host computer software of the test circuit sends a test command;

Step S402, the MCU control circuit determines whether it is a low level, and if it is a low level, controls the MCU chip to turn on a corresponding relay circuit;

Step S403, the relay circuit turns on the light source state detecting circuit connected thereto;

Step S404, receiving light source state information collected by the light guiding circuit;

Step S405, the light source state information is sent to the MCU chip for level processing and light source state analysis;

Step S406, displaying the state and color of the light source to be tested;

Step S407, sending the level signal to the level conversion isolation circuit for level isolation conversion;

Step S408, sending to the test circuit and displaying the test structure of the light source to be tested.

The method of detecting whether the corresponding position A/B position of the light source of the product is red and green indicator light and whether the state under different use conditions is consistent with the requirements is described as an example. Firstly, the light guiding circuit is designed to effectively transmit the light source of the indicator light on the product to the light source state detecting circuit on the premise of maximally conducting the intensity of the light source and eliminating external light interference. Since the measured light source has only two indicator light sources, for convenience of description, 1-way and 5-way operation are selected here. The upper computer sends a command to pull S1 and S5 low, the corresponding port of the MCU chip detects a low level, and the value of the detected light is read out from the register to the MCU chip through the IIC communication interface, and is compared by an internal preset program. A corresponding level used to characterize the state of the light source. If A/B is flashing, a square wave is given according to the flashing frequency of the lamp, the amplitude is 3.3V, the display circuit 1 and the display circuit follow the flicker, Out1 and Out5 are square waves, the amplitude is 5V, and are sent to the upper computer. A determination is made as to whether the test is correct and the test result is given.

In the optional embodiment, after the light source to be tested reaches the color state detecting circuit through the light guiding circuit, the signal is controlled by the host computer of the testing circuit to control the MCU control circuit so that the corresponding path of the light source state detecting circuit works, and the spectral value is detected; The communication interface passes the spectral value to the MCU control circuit for calculation, and then performs the determination. If it is detected that a certain road should be red light and needs to be bright, the detected value needs to be red value is greater than the rest of the value, and then the high level is given to the upper computer to determine the pass, and the rest of the cases are failures. Test of the color status of the indicator light source.

In this embodiment, the single-channel or multi-channel simultaneous detection can be realized by the DIP switch, and the selection of different ways can be controlled by the upper computer to fully realize the automatic test of the color state of the indicator light source.

The above is only one of the use cases of the embodiment, and thus does not limit the scope of patents of the embodiment, and the equivalent structure or equivalent process transformation using the contents of the embodiment and the drawings of the embodiment, or directly or indirectly In other related technical fields, the same is included in the scope of patent protection of the present embodiment.

It should be noted that each of the above modules may be implemented by software or hardware. For the latter, the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the modules are located in multiple In the processor.

Embodiments of the present invention also provide a software for performing the technical solutions described in the above embodiments and preferred embodiments.

Embodiments of the present invention also provide a storage medium. In this embodiment, the above storage medium may be configured to store program code for performing the following steps:

S1, the light source state detecting circuit receives the test control instruction;

S2. The light source state detecting circuit detects a light source state of the corresponding one or more measured light sources on one or more light source state detecting circuits indicated by the test control instruction, and generates one or more light source state information;

S3. The light source state detecting circuit sends one or more light source state information to the test circuit to detect whether the light source state of the one or more measured light sources is consistent with the preset light source state.

Optionally, in the embodiment, the foregoing storage medium may include, but is not limited to, a USB flash drive, a Read-Only Memory (ROM), and a Random Access Memory (RAM). A variety of media that can store program code, such as a hard disk, a disk, or an optical disk.

Optionally, in this embodiment, the processor executes the receiving test control instruction according to the stored program code in the storage medium;

Optionally, in this embodiment, the processor performs, according to the stored program code in the storage medium, detecting a light source state of the corresponding one or more measured light sources on one or more light source state detecting circuits indicated by the test control instruction. And generating one or more light source status information;

Optionally, in this embodiment, the processor sends one or more light source state information to the test circuit according to the stored program code in the storage medium to detect the light source state and preset of the one or more measured light sources. Whether the light source status is consistent.

For example, the specific examples in this embodiment may refer to the examples described in the foregoing embodiments and the optional embodiments, and details are not described herein again.

In order to make the description of the embodiments of the present invention more clear, the following description and description are given in conjunction with the preferred embodiments.

It will be apparent to those skilled in the art that the various modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein. The steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Industrial applicability

The above technical solution provided by the embodiment of the present invention uses a light guiding circuit, which is configured to collect light source state information of the light source to be measured, and transmit the light source state information to the light source state detecting circuit; one or more of the light source state detecting circuits And connecting to the light guiding circuit, configured to acquire spectral value information of the light source to be tested according to the light source state information; and a micro control unit MCU control circuit connected to the light source state detecting circuit, configured to set the spectrum The value information is converted into a level signal, wherein the level signal is used to characterize the color and/or state of the measured light source; a test circuit is coupled to the MCU control circuit and configured to detect based on the level signal Whether the color and/or state of the measured light source is normal. The problem of low detection efficiency of the light source state in the related art is solved, and the effect of improving the detection efficiency of the light source state and the yield of the light source is achieved.

Claims

A light source state detection system comprising:

a light guiding circuit configured to collect light source state information of the light source to be measured, and transmit the light source state information to the light source state detecting circuit;

One or more of the light source state detecting circuits are connected to the light guiding circuit, and configured to acquire spectral value information of the light source to be measured according to the light source state information;

a micro control unit MCU control circuit coupled to the light source state detection circuit, configured to convert the spectral value information into a level signal, wherein the level signal is used to characterize a color of the measured light source and/or status;

The test circuit is coupled to the MCU control circuit and configured to detect whether the color and/or state of the light source under test is normal based on the level signal.
The system of claim 1 wherein said MCU control circuit comprises:

An MCU detection circuit configured to convert the spectral value information into a corresponding level signal;

A display circuit, including a display source, is configured to display a light state and/or a light color corresponding to the level signal.
The system of claim 2 wherein said MCU control circuit further comprises:

And a level isolation conversion circuit configured to isolate the level signal to obtain a specified level signal, and send the specified level signal to the test circuit.
The system of claim 1 wherein said light guiding circuit comprises:

a positioning structure, configured to fix the light source to be measured, and collect source state information of the light source to be tested;

An anti-interference structure, configured to shield optical signals of other light sources except the light source to be tested;

One or more light guiding optical fibers are connected to one or more of the light source state detecting circuits, and are arranged to transmit the light source state information to the light source state detecting circuit.
The system of claim 1 wherein the test circuit is further configured to:

Determining whether the level signal is the same as the preset level signal;

Determining that the color and/or state of the light source to be tested is normal when the level signal is the same as the preset level signal; determining that the measured value is different when the level signal is different from the preset level signal The color and/or status of the light source is not normal.
The system of claim 3 wherein said MCU control circuit further comprises:

The multi-channel voltage conversion circuit is connected to the power supply and is configured to supply power to the MCU detection circuit, the display circuit, and the level isolation conversion circuit, respectively.
The system of claim 1 wherein said MCU control circuit further comprises:

a control circuit configured to receive a test control command and/or a switch control command, and to turn on one or more relay circuits according to the test control command;

The one or more relay circuits are connected to the one or more of the light source state detecting circuits and the control circuit, and configured to turn on one or more of the light source state detecting circuits according to the test control command; and And/or one or more power relay circuits connected to the control circuit, configured to turn off one or more of the light source state detecting circuits according to the switching control command.
The system according to any one of claims 1 to 7, wherein the state of the light source to be measured comprises at least one of: extinction, illuminating, flickering.
A method for detecting a state of a light source, comprising:

The light source state detecting circuit receives the test control instruction;

The light source state detecting circuit detects a light source state of the corresponding one or more measured light sources on one or more light source state detecting circuits indicated by the test control instruction, and generates one or more light source state information;

The light source state detecting circuit sends the one or more light source state information to the test circuit to detect whether the light source state of the one or more measured light sources is consistent with the preset light source state.
The method of claim 9 wherein said one or more sources of light to be measured are conducted through said light guiding circuit to said one or more light source state detecting circuits.
The method according to claim 9, wherein detecting whether the state of the light source of the one or more measured light sources is consistent with the preset light source state comprises:

Determining whether the one or more light source state information is consistent with the preset light source state information of the measured light source;

When the one or more light source state information is consistent with the preset light source state of the measured light source, determining that the light source state of the measured light source is normal, and the one or more light source state information and the measured When the preset light source states of the light source are inconsistent, it is determined that the light source state of the measured light source is abnormal.