CN106970338A - A kind of digital tube detection devices of LED and detection method - Google Patents
A kind of digital tube detection devices of LED and detection method Download PDFInfo
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- CN106970338A CN106970338A CN201710280976.2A CN201710280976A CN106970338A CN 106970338 A CN106970338 A CN 106970338A CN 201710280976 A CN201710280976 A CN 201710280976A CN 106970338 A CN106970338 A CN 106970338A
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- 238000001514 detection method Methods 0.000 title claims abstract description 201
- 238000012360 testing method Methods 0.000 claims description 106
- 230000035484 reaction time Effects 0.000 claims description 20
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/44—Testing lamps
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/72—Testing of electric windings
Abstract
The present invention provides a kind of digital tube detection devices of LED, including power module, control module and detection module, and power module is electrically connected with control module with detection module respectively, and control module is connected with detection module signal；Also include electrode handover module, electrode handover module is connected with control module signal；Electrode handover module includes the first positive pole pin, the second positive pole pin, the first negative pin and the second negative pin, and power module is electrically connected by the first positive pole pin and the first negative pin or the second positive pole pin and the second negative pin with detection module；The switching that control module controllable power module is connected with the first positive pole pin and the first negative pin or the second positive pole pin and the second negative pin；Also include being used to detect the light sensor whether LED charactrons light, light sensor and power electric connection, light sensor is connected with control module signal；The anti-erroneous judgement of detection means of the present invention, it is simple in construction, manpower is saved, detection efficiency is improved.
Description
Technical field
The present invention relates to light emitting diode field, and in particular to plants the digital tube detection devices of LED and method.
Background technology
At present, LED is as a kind of new type light source, because it possess that brightness is high, low in energy consumption and advantage of long lifespan and it is extensive
Applied to every field, wherein, LED charactrons are also applied to various industrial equipments and civilian family as a kind of display module
In electricity.In order to ensure the quality of LED charactrons, LED production firms all can carry out quality before dispatching from the factory to LED charactrons
Detection, and for LED charactron purchasers, the LED charactrons for needing also exist for purchasing it carry out quality inspection
Survey, to meet the quality requirement to LED charactrons.
The LED charactrons quality determining method that prior art is provided needs to be carried out manually by testing staff, easily goes out
Existing test leakage and empty survey, detection efficiency are relatively low, in addition, need to set polarity manually when carrying out Check up polarity for LED charactrons,
Do not possess the function of automatic identification charactron polarity, have a strong impact on detection efficiency.
Therefore, a kind of digital tube detection devices of efficient LED are needed badly.
The content of the invention
In view of this, the present invention is intended to provide a kind of digital tube detection devices of efficient LED.
The purpose of the present invention is achieved through the following technical solutions：
A kind of digital tube detection device of LED, including power module, control module and detection module, power module respectively with control
Module is electrically connected with detection module, and control module is connected with detection module signal；Also include electrode handover module, electrode switching mould
Block is connected with control module signal；Electrode handover module include the first positive pole pin, the second positive pole pin, the first negative pin and
Second negative pin, power module passes through the first positive pole pin and the first negative pin or the second positive pole pin and the second negative pole
Pin is electrically connected with detection module；Control module controllable power module and the first positive pole pin and the first negative pin or second
The switching of the connection of positive pole pin and the second negative pin；Also include being used to detect the light level whether LED charactrons light
Device, light sensor and power electric connection, light sensor are connected with control module signal.
The power module of the present invention is prior art, such as battery bag.
The control module of the present invention is prior art, such as single-chip microcomputer.
The light sensor of the present invention is prior art.
Diode is commoncathode or common-anode in charactron of the present invention.
Each module of the present invention is prior art, due to not being related to concrete structure and shape, is repeated no more in the present invention.
Switch the switching for completing circuit both positive and negative polarity by control module coordination electrode handover module, prevent due to charactron electricity
Pole reversal connection, test device erroneous judgement；On the other hand, without spending the artificial time for determining both positive and negative polarity and upset both positive and negative polarity, structure letter
It is single, manpower is saved, detection efficiency is improved.
It is preferred that, electrode handover module is double-point double-throw switch.
It is simple in construction using existing double-point double-throw switch, save installation cost.
Further, detection module also includes slide rheostat.
Slide rheostat is set, during detection, slide rheostat resistance can be transferred to maximum, detection module circuit is protected；Separately
Outside, using slide rheostat change detect circuit all-in resistance, by resistance change test charactron in each diode it is bright
Degree change and reaction time, so as to detect whether charactron damages, be not limited to only detection diode whether can normal luminous,
Detection is more comprehensive, and testing result is relatively reliable.
Further, in addition to for detecting the luminance sensor of each LED lightness.
Luminance sensor is prior art luminance sensor.
The change of each LED lightness is tested using luminance sensor, control module changes by obtaining each LED lightness
And the reaction time of brightness change, the lighting conditions of diode are more comprehensively detected, detect more comprehensive, testing result is more
Plus it is reliable；Detected using luminance sensor, it is more relatively reliable than artificial contrast, timing result.
Further, in addition to for detecting the reminding module of alarm is sent during underproof diode, mould is pointed out
Block is electrically connected with power module, and reminding module is electrically connected with control module.
Reminding module is the suggestion device of prior art, such as sound prompt device, warning lamp alarm set
When detection module detects underproof diode, it will be prompted to signal and be sent to reminding module, reminding module sends prompting,
Prevent operating personnel from neglecting due to burnout, judge testing result by accident.
Further, reminding module is auditory tone cues module and/or alarming lamp prompt module.
It is simple direct using sound and/or warning lamp as cue.
The present invention also provides a kind of detection method of LED charactrons, comprises the following steps：
S1：Control module passes through the first positive pole pin and the first negative pin to detection module output detection signal, power module
Electrically connected with detection module；
S2：LED lighting in light sensor detection LED charactrons, control module is sent to by testing result；
S3：Control module receives light sensor testing result, performs following steps：
1）Lighted if testing result is diode, judge that the LED charactrons are qualified, stop detection；
2）If testing result is luminous for diode section, judge that the LED charactrons are unqualified, stop detection；
3）Do not lighted if testing result is diode, perform next step S4；
S4：Control module output switching electrode signal, power module passes through the second positive pole pin and the second negative pin and detection
Module is electrically connected, and completes electrode switching；
S5：LED lighting in light sensor detection LED charactrons, control module is sent to by testing result；
S6：Control module receives light sensor testing result, performs following steps：
1）Lighted if testing result is diode, judge that the LED charactrons are qualified, stop detection；
2）If testing result is diode section or do not lighted, judge that the LED charactrons are unqualified, stop detection.
Switch the switching for completing circuit both positive and negative polarity by control module coordination electrode handover module, prevent due to charactron electricity
Pole reversal connection, test device erroneous judgement；On the other hand, without spending the artificial time for determining both positive and negative polarity and upset both positive and negative polarity, structure letter
It is single, manpower is saved, detection efficiency is improved.
The present invention also provides a kind of detection method of LED charactrons, comprises the following steps：
S1：Control module passes through the first positive pole pin and the first negative pin to detection module output detection signal, power module
Electrically connected with detection module；
S2：LED lighting in light sensor detection LED charactrons, control module is sent to by testing result；
S3：Control module receives light sensor testing result, performs following steps：
1）Lighted if testing result is diode；Slide rheostat resistance sizes are adjusted, luminance sensor detects each diode
The change of brightness when changing with slide rheostat resistance sizes；If all LED lightness changes and reaction time are consistent,
Illustrate that the charactron is qualified, stop detection；Otherwise then judge that the charactron is unqualified, stop detection；
2）If testing result is luminous for diode section, judge that the LED charactrons are unqualified, stop detection；
3）Do not lighted if testing result is diode, perform next step S4；
S4：Control module output switching electrode signal, power module passes through the second positive pole pin and the second negative pin and detection
Module is electrically connected, and completes electrode switching；
S5：LED lighting in light sensor detection LED charactrons, control module is sent to by testing result；
S6：Control module receives light sensor testing result, performs following steps：
1）Lighted if testing result is diode, adjust slide rheostat resistance sizes, luminance sensor detects each diode
The change of brightness when changing with slide rheostat resistance sizes；If all LED lightness changes and reaction time are consistent,
Illustrate that the charactron is qualified, stop detection；Otherwise then judge that the charactron is unqualified, stop detection；
2）If testing result is diode section or do not lighted, judge that the LED charactrons are unqualified, stop detection.
Slide rheostat and luminance sensor are set, during detection, slide rheostat resistance can be transferred to maximum, protection detection
Modular circuit；In addition, changing the all-in resistance for detecting circuit using slide rheostat, test each in charactron by the change of resistance
The brightness change of diode and reaction time, so as to detect whether charactron damages, it is not limited to only whether detect diode
Energy normal luminous, detects more comprehensive, testing result is relatively reliable.
Present invention also offers a kind of detection method of LED charactrons, comprise the following steps：
S1：Control module passes through the first positive pole pin and the first negative pin to detection module output detection signal, power module
Electrically connected with detection module；
S2：LED lighting in light sensor detection LED charactrons, control module is sent to by testing result；
S3：Control module receives light sensor testing result, performs following steps：
1）Lighted if testing result is diode；Slide rheostat resistance sizes are adjusted, luminance sensor detects each diode
The change of brightness when changing with slide rheostat resistance sizes；If all LED lightness changes and reaction time are consistent,
Illustrate that the charactron is qualified, stop detection；Otherwise then judge that the charactron is unqualified, stop detection, control module sends prompting
Signal is to reminding module, and reminding module sends prompting；
2）If testing result is luminous for diode section, judge that the LED charactrons are unqualified, stop detection；Control module is sent out
Cue is sent to reminding module, reminding module sends prompting.
3）Do not lighted if testing result is diode, perform next step S4；
S4：Control module output switching electrode signal, power module passes through the second positive pole pin and the second negative pin and detection
Module is electrically connected, and completes electrode switching；
S5：LED lighting in light sensor detection LED charactrons, control module is sent to by testing result；
S6：Control module receives light sensor testing result, performs following steps：
1）Lighted if testing result is diode, adjust slide rheostat resistance sizes, luminance sensor detects each diode
The change of brightness when changing with slide rheostat resistance sizes；If all LED lightness changes and reaction time are consistent,
Illustrate that the charactron is qualified, stop detection；Otherwise then judge that the charactron is unqualified, stop detection and stop detection, control module
Cue is sent to reminding module, reminding module sends prompting
2）If testing result is diode section or do not lighted, judge that the LED charactrons are unqualified；Stop detection, control
Molding block sends cue to reminding module, and reminding module sends prompting.
When detection module detects underproof diode, it will be prompted to signal and be sent to reminding module, reminding module is sent
Prompting, prevents operating personnel from neglecting due to burnout, judges testing result by accident, further improves the accuracy of testing result.
Beneficial effects of the present invention：
1. the digital tube detection devices of LED provided by the present invention, electricity is completed by the switching of control module coordination electrode handover module
The switching of road both positive and negative polarity, is prevented due to digital pipe electrode reversal connection, test device erroneous judgement；On the other hand, without spending artificial determine
It is the time of both positive and negative polarity and upset both positive and negative polarity, simple in construction, manpower is saved, detection efficiency is improved.
2. the digital tube detection devices of LED provided by the present invention, set slide rheostat, during detection, can will slide variable resistance
Device resistance is transferred to maximum, protects detection module circuit；In addition, changing the all-in resistance for detecting circuit using slide rheostat, pass through
The brightness change of each diode and reaction time in the change test charactron of resistance, so that detect whether charactron damages,
Be not limited to only detection diode whether can normal luminous, detect it is more comprehensive, testing result is relatively reliable.
3. the digital tube detection devices of LED provided by the present invention, test each LED lightness using luminance sensor and become
Change, control module more comprehensively detects two poles by obtaining the reaction time that each LED lightness change and brightness change
The lighting conditions of pipe, detect more comprehensive, testing result is relatively reliable；Detected using luminance sensor, than artificial contrast, timing
As a result it is relatively reliable.
4. the digital tube detection devices of LED provided by the present invention, when detection module detects underproof diode, will be carried
Show that signal is sent to reminding module, reminding module sends prompting, prevent operating personnel from neglecting due to burnout, judge testing result by accident.
Brief description of the drawings
Fig. 1 is the module connection figure of embodiment 1；
Fig. 2 is the circuit diagram of embodiment 1；
Wherein：10- power modules；20- control modules；30- detection modules；40- electrode handover modules；The positive poles of 401- first draw
Pin；The negative pins of 402- first；403- the second positive pole pins；The negative pins of 404- second；50- light sensors；60- brightness is passed
Sensor；70- reminding modules；80- slide rheostats.
Embodiment 1
As illustrated in fig. 1 and 2, the present embodiment provides a kind of digital tube detection devices of LED, including power module 10, control module 20
With detection module 30, power module 10 is electrically connected with control module 20 with detection module 30 respectively, control module 20 and detection mould
The signal of block 30 is connected；Also include electrode handover module 40, electrode handover module 40 is connected with the signal of control module 20；Electrode switches
Module 40 includes the first positive pole pin 401, the second positive pole pin 403, the first negative pin 402 and the second negative pin 404, electricity
Source module 10 passes through the first positive pole pin 401 and the first negative pin 402 or the second positive pole pin 403 and the second negative pin
404 electrically connect with detection module 30；The controllable power module 10 of control module 20 is drawn with the first positive pole pin 401 and the first negative pole
The switching of the connection of the positive pole pin 403 of pin 402 or second and the second negative pin 404；Also include being used to detect LED charactrons
Whether luminous light sensor 50, light sensor 50 electrically connects with power module 10, light sensor 50 and control module
20 signals are connected；Detection module 30 also includes slide rheostat 80, and slide rheostat 80 is electrically connected with power module 10；Also include
For detecting that the luminance sensor 60 of each LED lightness is electrically connected with power module 10, luminance sensor 60 and control module
20 signals are connected；Also include the reminding module 70 for being used to send alarm when detecting underproof diode, reminding module 70 with
Power module 10 is electrically connected, and reminding module 70 is electrically connected with control module 20.
Switch the switching for completing circuit both positive and negative polarity by the coordination electrode handover module 40 of control module 20, prevent due to number
Pipe electrode reversal connection, test device erroneous judgement；On the other hand, without spending the artificial time for determining both positive and negative polarity and upset both positive and negative polarity, knot
Structure is simple, saves manpower, improves detection efficiency.
Slide rheostat 80 is set, during detection, the resistance of slide rheostat 80 can be transferred to maximum, the electricity of protection detection module 30
Road；In addition, changing the all-in resistance for detecting circuit using slide rheostat 80, each two pole in charactron is tested by the change of resistance
The brightness change of pipe and reaction time, whether so as to detect whether charactron damages, being not limited to only detection diode can be just
It is often luminous, detect more comprehensive, testing result is relatively reliable.
The change of each LED lightness is tested using luminance sensor 60, control module 20 is by obtaining each LED lightness
Change and the reaction time of brightness change, the lighting conditions of diode are more comprehensively detected, detect more comprehensive, detection knot
It is really relatively reliable；Detected using luminance sensor 60, it is more relatively reliable than artificial contrast, timing result.
When detection module 30 detects underproof diode, it will be prompted to signal and be sent to reminding module 70, reminding module
70 send prompting, prevent operating personnel from neglecting due to burnout, judge testing result by accident.
It is preferred that, reminding module 70 is auditory tone cues module and/or alarming lamp prompt module.
It is simple direct using sound and/or warning lamp as cue.
Embodiment 2
The present embodiment provides a kind of digital tube detection devices of LED, including power module 10, control module 20 and detection module 30,
Power module 10 is electrically connected with control module 20 with detection module 30 respectively, and control module 20 is connected with the signal of detection module 30；
Also include electrode handover module 40, electrode handover module 40 is connected with the signal of control module 20；Electrode handover module 40 includes the
One positive pole pin 401, the second positive pole pin 403, the first negative pin 402 and the second negative pin 404, power module 10 pass through
First positive pole pin 401 and the first negative pin 402 or the second positive pole pin 403 and the second negative pin 404 and detection mould
Block 30 is electrically connected；The controllable power module 10 of control module 20 and the first positive pole pin 401 and the first negative pin 402 or
The switching of the connection of two positive pole pins 403 and the second negative pin 404；Also include being used to detect what whether LED charactrons lighted
Light sensor 50, light sensor 50 is electrically connected with power module 10, and light sensor 50 is connected with the signal of control module 20；
Detection module 30 also includes slide rheostat 80, and slide rheostat 80 is electrically connected with power module 10；Also include being used to detect each
The luminance sensor 60 of individual LED lightness is electrically connected with power module 10, and luminance sensor 60 connects with the signal of control module 20
Connect.
Embodiment 3
The present embodiment provides a kind of digital tube detection devices of LED, including power module 10, control module 20 and detection module 30,
Power module 10 is electrically connected with control module 20 with detection module 30 respectively, and control module 20 is connected with the signal of detection module 30；
Also include electrode handover module 40, electrode handover module 40 is connected with the signal of control module 20；Electrode handover module 40 includes the
One positive pole pin 401, the second positive pole pin 403, the first negative pin 402 and the second negative pin 404, power module 10 pass through
First positive pole pin 401 and the first negative pin 402 or the second positive pole pin 403 and the second negative pin 404 and detection mould
Block 30 is electrically connected；The controllable power module 10 of control module 20 and the first positive pole pin 401 and the first negative pin 402 or
The switching of the connection of two positive pole pins 403 and the second negative pin 404；Also include being used to detect what whether LED charactrons lighted
Light sensor 50, light sensor 50 is electrically connected with power module 10, and light sensor 50 is connected with the signal of control module 20；
Detection module 30 also includes slide rheostat 80, and slide rheostat 80 is electrically connected with power module 10.
Embodiment 4
The present embodiment provides a kind of digital tube detection devices of LED, including power module 10, control module 20 and detection module 30,
Power module 10 is electrically connected with control module 20 with detection module 30 respectively, and control module 20 is connected with the signal of detection module 30；
Also include electrode handover module 40, electrode handover module 40 is connected with the signal of control module 20；Electrode handover module 40 includes the
One positive pole pin 401, the second positive pole pin 403, the first negative pin 402 and the second negative pin 404, power module 10 pass through
First positive pole pin 401 and the first negative pin 402 or the second positive pole pin 403 and the second negative pin 404 and detection mould
Block 30 is electrically connected；The controllable power module 10 of control module 20 and the first positive pole pin 401 and the first negative pin 402 or
The switching of the connection of two positive pole pins 403 and the second negative pin 404；Also include being used to detect what whether LED charactrons lighted
Light sensor 50, light sensor 50 is electrically connected with power module 10, and light sensor 50 is connected with the signal of control module 20.
Embodiment 5
The present embodiment provides a kind of detection method of LED charactrons in embodiment 4, comprises the following steps：
S1：Control module 20 passes through the first positive pole pin 401 and first to the output detection signal of detection module 30, power module 10
Negative pin 402 is electrically connected with detection module 30；
S2：LED lighting in the detection LED charactrons of light sensor 50, control module 20 is sent to by testing result；
S3：Control module 20 receives the testing result of light sensor 50, performs following steps：
1）Lighted if testing result is diode, judge that the LED charactrons are qualified, stop detection；
2）If testing result is luminous for diode section, judge that the LED charactrons are unqualified, stop detection；
3）Do not lighted if testing result is diode, perform next step S4；
S4：The output switching electrode signal of control module 20, power module 10 passes through the second positive pole pin 403 and the second negative pin
404 electrically connect with detection module 30, complete electrode switching；
S5：LED lighting in the detection LED charactrons of light sensor 50, control module 20 is sent to by testing result；
S6：Control module 20 receives the testing result of light sensor 50, performs following steps：
1）Lighted if testing result is diode, judge that the LED charactrons are qualified, stop detection；
2）If testing result is diode section or do not lighted, judge that the LED charactrons are unqualified, stop detection.
Switch the switching for completing circuit both positive and negative polarity by the coordination electrode handover module 40 of control module 20, prevent due to number
Pipe electrode reversal connection, test device erroneous judgement；On the other hand, without spending the artificial time for determining both positive and negative polarity and upset both positive and negative polarity, knot
Structure is simple, saves manpower, improves detection efficiency.
Embodiment 6
The present embodiment provides a kind of detection method of LED charactrons in embodiment 2, comprises the following steps：
S1：Control module 20 passes through the first positive pole pin 401 and first to the output detection signal of detection module 30, power module 10
Negative pin 402 is electrically connected with detection module 30；
S2：LED lighting in the detection LED charactrons of light sensor 50, control module 20 is sent to by testing result；
S3：Control module 20 receives the testing result of light sensor 50, performs following steps：
1）Lighted if testing result is diode；The resistance sizes of slide rheostat 80 are adjusted, luminance sensor 60 detects each two
The change of brightness when pole pipe changes with the resistance sizes of slide rheostat 80；If all LED lightness changes and reaction time one
Cause, then illustrate that the charactron is qualified, stop detection；Otherwise then judge that the charactron is unqualified, stop detection；
2）If testing result is luminous for diode section, judge that the LED charactrons are unqualified, stop detection；
3）Do not lighted if testing result is diode, perform next step S4；
S4：The output switching electrode signal of control module 20, power module 10 passes through the second positive pole pin 403 and the second negative pin
404 electrically connect with detection module 30, complete electrode switching；
S5：LED lighting in the detection LED charactrons of light sensor 50, control module 20 is sent to by testing result；
S6：Control module 20 receives the testing result of light sensor 50, performs following steps：
1）Lighted if testing result is diode, adjust the resistance sizes of slide rheostat 80, luminance sensor 60 detects each two
The change of brightness when pole pipe changes with the resistance sizes of slide rheostat 80；If all LED lightness changes and reaction time one
Cause, then illustrate that the charactron is qualified, stop detection；Otherwise then judge that the charactron is unqualified, stop detection；
2）If testing result is diode section or do not lighted, judge that the LED charactrons are unqualified, stop detection.
Slide rheostat 80 and luminance sensor 60 are set, during detection, the resistance of slide rheostat 80 maximum can be transferred to, protected
Protect the circuit of detection module 30；In addition, changing the all-in resistance for detecting circuit using slide rheostat 80, tested by the change of resistance
The brightness change of each diode and reaction time, so as to detect whether charactron damages, are not limited to only detect in charactron
Diode whether can normal luminous, detect it is more comprehensive, testing result is relatively reliable.
Embodiment 7
The present embodiment provides a kind of detection method of LED charactrons in embodiment 1, comprises the following steps：
S1：Control module 20 passes through the first positive pole pin 401 and first to the output detection signal of detection module 30, power module 10
Negative pin 402 is electrically connected with detection module 30；
S2：LED lighting in the detection LED charactrons of light sensor 50, control module is sent to by testing result；
S3：Control module 20 receives the testing result of light sensor 50, performs following steps：
1）Lighted if testing result is diode；The resistance sizes of slide rheostat 80 are adjusted, luminance sensor 60 detects each two
The change of brightness when pole pipe changes with the resistance sizes of slide rheostat 80；If all LED lightness changes and reaction time one
Cause, then illustrate that the charactron is qualified, stop detection；Otherwise then judge that the charactron is unqualified, stop detection, control module 20 is sent out
Cue is sent to reminding module 70, reminding module 70 sends prompting；
2）If testing result is luminous for diode section, judge that the LED charactrons are unqualified, stop detection；Control module 20
Cue is sent to reminding module 70, reminding module 70 sends prompting.
3）Do not lighted if testing result is diode, perform next step S4；
S4：The output switching electrode signal of control module 20, power module 10 passes through the second positive pole pin 403 and the second negative pin
404 electrically connect with detection module 30, complete electrode switching；
S5：LED lighting in the detection LED charactrons of light sensor 50, control module 20 is sent to by testing result；
S6：Control module 20 receives the testing result of light sensor 50, performs following steps：
1）Lighted if testing result is diode, adjust the resistance sizes of slide rheostat 80, luminance sensor 60 detects each two
The change of brightness when pole pipe changes with the resistance sizes of slide rheostat 80；If all LED lightness changes and reaction time one
Cause, then illustrate that the charactron is qualified, stop detection；Otherwise then judge that the charactron is unqualified, stop detection and stop detection, control
Module 20 sends cue to reminding module 70, and reminding module 70 sends prompting
2）If testing result is diode section or do not lighted, judge that the LED charactrons are unqualified；Stop detection, control
Molding block 20 sends cue to reminding module 70, and reminding module 70 sends prompting.
When detection module 20 detects underproof diode, it will be prompted to signal and be sent to reminding module 70, reminding module
70 send prompting, prevent operating personnel from neglecting due to burnout, judge testing result by accident, further improve the accuracy of testing result.
It is the wherein specific implementation of the present invention above, it describes more specific and detailed, but can not therefore manage
Solve as the limitation to the scope of the claims of the present invention.For the person of ordinary skill of the art, present inventive concept is not being departed from
Under the premise of, various modifications and improvements can be made, these obvious alternative forms belong to protection scope of the present invention.
Claims (9)
1. the digital tube detection devices of a kind of LED, it is characterised in that including power module, control module and detection module, power supply mould
Block is electrically connected with control module with detection module respectively, and control module is connected with detection module signal；Also include electrode and switch mould
Block, electrode handover module is connected with control module signal；Electrode handover module include the first positive pole pin, the second positive pole pin,
First negative pin and the second negative pin, power module pass through the first positive pole pin and the first negative pin or the second positive pole
Pin and the second negative pin are electrically connected with detection module；Control module controllable power module and the first positive pole pin and first
The switching of the connection of negative pin or the second positive pole pin and the second negative pin；Also include being used for whether detecting LED charactrons
Luminous light sensor, light sensor and power electric connection, light sensor are connected with control module signal.
2. digital tube detection devices of LED according to claim 1, it is characterised in that electrode handover module is opened for DPDT
Close.
3. digital tube detection devices of LED according to claim 2, it is characterised in that detection module also includes slide rheostat.
4. digital tube detection devices of LED according to claim 3, it is characterised in that also including for detecting each diode
The luminance sensor of brightness.
5. digital tube detection devices of LED according to claim 4, it is characterised in that also including underproof for detecting
The reminding module of alarm is sent during diode, reminding module is electrically connected with power module, and reminding module is electrically connected with control module.
6. digital tube detection devices of LED according to claim 5, it is characterised in that reminding module be auditory tone cues module and/
Or alarming lamp prompt module.
7. a kind of detection method of the LED charactrons as described in claim 1-6 any one claims, comprises the following steps：
S1：Control module to detection module output detection signal, power module by the first positive pole pin and the first negative pin with
Detection module is electrically connected；
S2：LED lighting in light sensor detection LED charactrons, control module is sent to by testing result；
S3：Control module receives light sensor testing result, performs following steps：
1）Lighted if testing result is diode, judge that the LED charactrons are qualified, stop detection；
2）If testing result is luminous for diode section, judge that the LED charactrons are unqualified, stop detection；
3）Do not lighted if testing result is diode, perform next step S4；
S4：Control module output switching electrode signal, power module passes through the second positive pole pin and the second negative pin and detection mould
Block is electrically connected, and completes electrode switching；
S5：LED lighting in light sensor detection LED charactrons, control module is sent to by testing result；
S6：Control module receives light sensor testing result, performs following steps：
1）Lighted if testing result is diode, judge that the LED charactrons are qualified, stop detection；
2）If testing result is diode section or do not lighted, judge that the LED charactrons are unqualified, stop detection.
8. a kind of detection method of LED charactrons as claimed in claim 4, comprises the following steps：
S1：Control module to detection module output detection signal, power module by the first positive pole pin and the first negative pin with
Detection module is electrically connected；
S2：LED lighting in light sensor detection LED charactrons, control module is sent to by testing result；
S3：Control module receives light sensor testing result, performs following steps：
1）Lighted if testing result is diode；Slide rheostat resistance sizes are adjusted, luminance sensor detects each diode
The change of brightness when changing with slide rheostat resistance sizes；If all LED lightness changes and reaction time are consistent,
Illustrate that the charactron is qualified, stop detection；Otherwise then judge that the charactron is unqualified, stop detection；
2）If testing result is luminous for diode section, judge that the LED charactrons are unqualified, stop detection；
3）Do not lighted if testing result is diode, perform next step S4；
S4：Control module output switching electrode signal, power module passes through the second positive pole pin and the second negative pin and detection mould
Block is electrically connected, and completes electrode switching；
S5：LED lighting in light sensor detection LED charactrons, control module is sent to by testing result；
S6：Control module receives light sensor testing result, performs following steps：
1）Lighted if testing result is diode, adjust slide rheostat resistance sizes, luminance sensor detects each diode
The change of brightness when changing with slide rheostat resistance sizes；If all LED lightness changes and reaction time are consistent,
Illustrate that the charactron is qualified, stop detection；Otherwise then judge that the charactron is unqualified, stop detection；
2）If testing result is diode section or do not lighted, judge that the LED charactrons are unqualified, stop detection.
9. a kind of detection method of LED charactrons as claimed in claim 5, comprises the following steps：
S1：Control module to detection module output detection signal, power module by the first positive pole pin and the first negative pin with
Detection module is electrically connected；
S2：LED lighting in light sensor detection LED charactrons, control module is sent to by testing result；
S3：Control module receives light sensor testing result, performs following steps：
1）Lighted if testing result is diode；Slide rheostat resistance sizes are adjusted, luminance sensor detects each diode
The change of brightness when changing with slide rheostat resistance sizes；If all LED lightness changes and reaction time are consistent,
Illustrate that the charactron is qualified, stop detection；Otherwise then judge that the charactron is unqualified, stop detection, control module sends prompting
Signal is to reminding module, and reminding module sends prompting；
2）If testing result is luminous for diode section, judge that the LED charactrons are unqualified, stop detection；Control module is sent out
Cue is sent to reminding module, reminding module sends prompting；
3）Do not lighted if testing result is diode, perform next step S4；
S4：Control module output switching electrode signal, power module passes through the second positive pole pin and the second negative pin and detection mould
Block is electrically connected, and completes electrode switching；
S5：LED lighting in light sensor detection LED charactrons, control module is sent to by testing result；
S6：Control module receives light sensor testing result, performs following steps：
1）Lighted if testing result is diode, adjust slide rheostat resistance sizes, luminance sensor detects each diode
The change of brightness when changing with slide rheostat resistance sizes；If all LED lightness changes and reaction time are consistent,
Illustrate that the charactron is qualified, stop detection；Otherwise then judge that the charactron is unqualified, stop detection and stop detection, control module
Cue is sent to reminding module, reminding module sends prompting；
2）If testing result is diode section or do not lighted, judge that the LED charactrons are unqualified；Stop detection, control
Molding block sends cue to reminding module, and reminding module sends prompting.
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Effective date of registration: 20240401 Address after: 518103 floor 4, building 6, Han's laser Industrial Park, No. 128, Chongqing Road, Fuyong street, Bao'an District, Shenzhen, Guangdong Province Patentee after: GYX OPTOELECTRONICS CO.,LTD. Country or region after: China Patentee after: Zhejiang Guoye Xingzhi Manufacturing Technology Co.,Ltd. Address before: 518103 floor 4, building 6, Han's laser Industrial Park, No. 128, Chongqing Road, Fuyong street, Bao'an District, Shenzhen, Guangdong Province Patentee before: GYX OPTOELECTRONICS CO.,LTD. Country or region before: China |