CN218297382U - LED photosensitive tube brightness detection device - Google Patents
LED photosensitive tube brightness detection device Download PDFInfo
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- CN218297382U CN218297382U CN202221551852.6U CN202221551852U CN218297382U CN 218297382 U CN218297382 U CN 218297382U CN 202221551852 U CN202221551852 U CN 202221551852U CN 218297382 U CN218297382 U CN 218297382U
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- 238000001514 detection method Methods 0.000 title claims abstract description 105
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 21
- 230000005611 electricity Effects 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 abstract description 7
- 238000011105 stabilization Methods 0.000 abstract description 7
- 230000000007 visual effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000010183 spectrum analysis Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a LED photosensitive tube luminance detection device belongs to photosensitive tube luminance detection area, including detection diode, detection diode's surface has cup jointed stabilizing mean, and detection diode's surface is provided with detection mechanism, and stabilizing mean is including cup jointing in the stabilization base of detection diode surface, and stabilization base's inside fixedly connected with DC power supply, and the electrically conductive groove has been seted up to stabilization base's inside, and detection mechanism includes the joint in the detection cover at stabilization base top, and the inside sliding connection that detects the cover has photosensitive diode. The utility model discloses when needs examine the detection diode luminance, through detecting the reverse photosensitive diode that switches on of power, the light that sends through the detection diode influences the reverse conduction current size of photosensitive diode, detects reverse conduction current through the ampere meter after that to can be through the luminance condition of the current size visual display detection diode who surveys LED.
Description
Technical Field
The utility model relates to a photosensitive tube luminance detection technical field especially relates to a LED photosensitive tube luminance detection device.
Background
A photodiode, i.e. a photodiode, is a light detector that can convert light into a current or voltage signal, depending on the mode of use. The tube core usually uses a PN junction with photosensitive characteristic, is very sensitive to light change, has one-way conductivity, and changes electrical characteristics when light intensity is different, so that the brightness of the LED can be detected by using the reverse current passing through the circuit.
At present, when the brightness of the LED is detected, the brightness is generally detected through a brightness detection tool, such as the disclosure No. CN103983923A: in the patent, the brightness of the LED is detected by a detection jig, and the LED light-emitting condition shot by a camera is transmitted to a computer for spectral analysis to detect the brightness of the LED;
for publication No. CN103983923A: the LED brightness detection jig has the following problems:
1. in the detection process, the shot pictures need to be transmitted to a computer for spectral analysis for many times, and the brightness cannot be quickly determined directly through the signal size;
2. in the process of shooting, because the LED spectrum is indirectly determined by shooting and transmitting the LED spectrum to a computer, the possibility of shooting distortion exists in the process, and errors can occur when the computer analyzes the spectrum.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that LED luminance detection has a great error among the prior art, and the LED photosensitive tube luminance detection device who proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a brightness detection device for an LED photosensitive tube comprises a detection diode, wherein a stabilizing mechanism is sleeved on the outer surface of the detection diode, and a detection mechanism is arranged on the outer surface of the detection diode;
the stabilizing mechanism comprises a stabilizing base sleeved on the outer surface of the detection diode, a direct-current power supply is fixedly connected inside the stabilizing base, and a conductive groove is formed inside the stabilizing base;
detection mechanism includes the joint in the detection cover at stable base top, the inside sliding connection that detects the cover has a photodiode, just the photodiode electricity is connected with detection power and ampere meter, photodiode's fixed surface is connected with the regulation support.
Preferably, a sleeve hole is formed in the stabilizing base, the inner wall of the sleeve hole is sleeved with the outer surface of the detection diode, and a sleeve rubber ring is fixedly connected to the inner wall of the sleeve hole.
Preferably, the front surface of the conductive groove is provided with a fitting opening, and the conductive groove is electrically connected with a direct current power supply.
Preferably, the fitting opening comprises a positive pin notch and a negative pin notch, and the fitting opening is connected with the detection diode in a sliding manner.
Preferably, the positive electrode of the photosensitive diode is electrically connected with the negative electrode of the detection power supply, and the negative electrode of the photosensitive diode is electrically connected with the positive electrode of the detection power supply.
Preferably, the top of detecting the cover rotates and is connected with locking bolt, just locking bolt's surface threaded connection has the lock sleeve, the relative one side joint of lock sleeve has the check lock lever.
Preferably, the inner wall of the adjusting support is provided with a hanging fixing hole, the inner wall of the hanging fixing hole is in sliding connection with the outer surface of the locking rod, and the outer surface of the bottom of the adjusting support is in sliding connection with the inner wall of the detection cover.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through setting up the detection cover, devices such as photodiode and detection power mutually support, when needs detect detection diode luminance, through detecting the power reverse conduction photodiode, the bright light that sends through the detection diode influences the reverse conduction current size of photodiode, detect reverse conduction current through the ampere meter after that, thereby can be through the electric current size visual display detection diode that surveys be LED's the luminance condition, and then solve among the prior art mentioned among the above-mentioned background art LED luminance detection and have the great problem of error.
2. Through setting up stable base, devices such as DC power supply and conductive groove mutually support, when needs are carried out the stability to detecting diode and detection mechanism, can cup joint detecting diode in cup jointing downtheholely, carry on spacingly to luminous position through cup jointing the rubber circle, the pin of buckling simultaneously, make its laminating mouth place conductive inslot portion, thereby stabilize the detecting diode position, will detect the top of cover joint at detecting diode simultaneously, and then reach the effect of rapid stabilization detecting diode and detection mechanism.
Drawings
Fig. 1 is a bottom view of the overall structure of a luminance detection device of an LED photodiode according to the present invention;
fig. 2 is a schematic view of the overall structure of the LED photodiode luminance detection apparatus provided by the present invention;
fig. 3 is a front cross-sectional view of the internal structure of the LED photodiode luminance detection apparatus provided by the present invention;
fig. 4 is an enlarged view of a structure a in fig. 3 according to the present invention.
In the figure: 1. a detection diode; 2. a stabilizing mechanism; 21. a stabilizing base; 211. sleeving a hole; 212. sleeving a rubber ring; 22. a direct current power supply; 23. a conductive slot; 231. fitting the opening; 2311. a positive pin notch; 2312. a negative pin notch; 3. a detection mechanism; 31. a detection cover; 311. locking the bolt; 312. a locking sleeve; 313. a locking lever; 32. a photodiode; 33. detecting a power supply; 34. an ammeter; 35. adjusting the bracket; 351. and hanging the fixing hole.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without creative work belong to the scope of protection of the present invention based on the embodiments of the present invention.
Referring to fig. 1-4, the brightness detection device for the LED photosensitive tube comprises a detection diode 1, wherein a stabilization mechanism 2 is sleeved on the outer surface of the detection diode 1, and a detection mechanism 3 is arranged on the outer surface of the detection diode 1;
the stabilizing mechanism 2 comprises a stabilizing base 21 sleeved on the outer surface of the detection diode 1, a direct current power supply 22 is fixedly connected inside the stabilizing base 21, and a conductive groove 23 is formed inside the stabilizing base 21;
through the technical scheme, when the brightness of the detection diode 1 needs to be detected, the photosensitive diode 32 is reversely conducted through the detection power supply 33, the reverse conduction current of the photosensitive diode 32 is influenced through the bright light emitted by the detection diode 1, and then the reverse conduction current is detected through the ammeter 34, so that the brightness of the detection diode 1, namely the LED, can be visually displayed through the detected current.
Through above-mentioned technical scheme, when needs are carried out the stability to detection diode 1 and detection mechanism 3, can cup joint detection diode 1 in cup jointing hole 211, it is spacing to luminous position through cup jointing rubber circle 212, the pin of buckling simultaneously, make its laminating mouth 231 place the conducting slot 23 inside, thereby stabilize detection diode 1 position, will detect the top of cover 31 joint at detection diode 1 simultaneously, and then reach the effect of fast and stable detection diode 1 and detection mechanism 3.
Specifically, the inside of the stabilization base 21 is provided with a sleeve joint hole 211, the inner wall of the sleeve joint hole 211 is sleeved with the outer surface of the detection diode 1, and the inner wall of the sleeve joint hole 211 is fixedly connected with a sleeve joint rubber ring 212.
Through above-mentioned technical scheme, cup joint rubber ring 212 inside and seted up the pin and perforate to supply detecting diode 1 to detect the pin and connect electrically conductive groove 23, cup joint rubber ring 212 simultaneously and can protect detecting diode 1's bottom, avoid it to appear colliding with the damage.
Specifically, the front surface of the conductive groove 23 is provided with a fitting opening 231, the conductive groove 23 is electrically connected with the dc power supply 22, the fitting opening 231 comprises a positive electrode pin notch 2311 and a negative electrode pin notch 2312, and the fitting opening 231 is slidably connected with the detection diode 1.
Through the technical scheme, the anode of the detection diode 1 can be electrically connected with the anode of the direct current power supply 22 through the anode pin notch 2311, and the cathode of the detection diode 1 is electrically connected with the cathode of the direct current power supply 22 through the cathode pin notch 2312, so that the detection diode 1 is conducted in the forward direction to emit light.
Specifically, the anode of the photodiode 32 is electrically connected to the cathode of the detection power supply 33, and the cathode of the photodiode 32 is electrically connected to the anode of the detection power supply 33.
Through the technical scheme, when the detection diode 1 does not emit light, the detection circuit is in the off state when the photosensitive diode 32 is in reverse conduction, and when the detection diode emits light, the detection circuit is in the on state at the moment, so that the brightness of the detection diode 1 can be detected by utilizing the principle that the reverse current can be changed under the influence of light rays on the photosensitive diode 32.
Specifically, the top of detecting cover 31 rotates and is connected with locking bolt 311, and locking bolt 311's surface threaded connection has lock sleeve 312, and the relative one side joint of lock sleeve 312 has lock lever 313, and the inner wall of adjusting support 35 has been seted up and has been hung fixed orifices 351, and hangs the inner wall of fixed orifices 351 and the surface sliding connection of lock lever 313, adjusts the end surface of support 35 and the inner wall sliding connection that detects cover 31.
Through the technical scheme, when the detection diodes 1 with different lengths at the light-emitting parts are detected, the height of the photosensitive diode 32 can be adjusted through the lifting adjusting bracket 35, so that the distance between the photosensitive diode 32 and the detection diode 1 is always kept consistent, and the difference of the brightness values represented by the measured reverse conduction currents due to the different attenuation of the light intensity caused by the distance is avoided;
meanwhile, the light through hole is formed in the detection cover 31, so that the light rays emitted by the detection diode 1 can be directly received by the photosensitive diode 32, and the brightness value represented by the reverse conduction current can be measured through multiple experiments.
The utility model discloses when carrying out the use, stabilize and switch-on DC power supply 22 to detecting diode 1 through stabilizing mean 2, can detect the light luminance that detecting diode 1 emitted through detecting mean 3 simultaneously to the completion is to detecting diode 1's stability and the detection operation of emitting light luminance.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (7)
1. The LED photosensitive tube brightness detection device comprises a detection diode (1), and is characterized in that a stabilizing mechanism (2) is sleeved on the outer surface of the detection diode (1), and a detection mechanism (3) is arranged on the outer surface of the detection diode (1);
the stabilizing mechanism (2) comprises a stabilizing base (21) sleeved on the outer surface of the detection diode (1), a direct-current power supply (22) is fixedly connected inside the stabilizing base (21), and a conductive groove (23) is formed inside the stabilizing base (21);
detection mechanism (3) are including joint in the detection cover (31) at stable base (21) top, the inside sliding connection that detects cover (31) has photodiode (32), just photodiode (32) electricity is connected with detection power supply (33) and ampere meter (34), the fixed surface of photodiode (32) is connected with adjusts support (35).
2. The device for detecting the brightness of the LED photosensitive tube according to claim 1, wherein a sleeve hole (211) is formed in the stabilizing base (21), the inner wall of the sleeve hole (211) is sleeved with the outer surface of the detection diode (1), and a sleeve rubber ring (212) is fixedly connected to the inner wall of the sleeve hole (211).
3. The LED photosensitive tube brightness detection device according to claim 1, wherein a fitting opening (231) is formed in a front surface of the conductive groove (23), and the conductive groove (23) is electrically connected with a direct current power supply (22).
4. The LED photodiode luminance detection device according to claim 3, wherein the fitting opening (231) comprises a positive pin notch (2311) and a negative pin notch (2312), and the fitting opening (231) is slidably connected with the detection diode (1).
5. The LED light sensitive tube brightness detection device according to claim 1, wherein the positive electrode of the light sensitive diode (32) is electrically connected to the negative electrode of the detection power supply (33), and the negative electrode of the light sensitive diode (32) is electrically connected to the positive electrode of the detection power supply (33).
6. The LED light sensitive tube brightness detection device according to claim 1, wherein a locking bolt (311) is rotatably connected to the top of the detection cover (31), a locking sleeve (312) is screwed on the outer surface of the locking bolt (311), and a locking rod (313) is clamped on the opposite side of the locking sleeve (312).
7. The device for detecting the brightness of the LED photosensitive tube according to claim 1, wherein a hanging fixing hole (351) is formed in an inner wall of the adjusting bracket (35), the inner wall of the hanging fixing hole (351) is slidably connected with an outer surface of the locking rod (313), and a bottom outer surface of the adjusting bracket (35) is slidably connected with an inner wall of the detecting cover (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221551852.6U CN218297382U (en) | 2022-06-20 | 2022-06-20 | LED photosensitive tube brightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221551852.6U CN218297382U (en) | 2022-06-20 | 2022-06-20 | LED photosensitive tube brightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218297382U true CN218297382U (en) | 2023-01-13 |
Family
ID=84787477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221551852.6U Expired - Fee Related CN218297382U (en) | 2022-06-20 | 2022-06-20 | LED photosensitive tube brightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218297382U (en) |
-
2022
- 2022-06-20 CN CN202221551852.6U patent/CN218297382U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |