CN113092980A - Detection device and detection method for photosensitive diode - Google Patents
Detection device and detection method for photosensitive diode Download PDFInfo
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- CN113092980A CN113092980A CN202110553308.9A CN202110553308A CN113092980A CN 113092980 A CN113092980 A CN 113092980A CN 202110553308 A CN202110553308 A CN 202110553308A CN 113092980 A CN113092980 A CN 113092980A
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- photosensitive diode
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- 238000001514 detection method Methods 0.000 title claims abstract description 56
- 238000007789 sealing Methods 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000012360 testing method Methods 0.000 claims description 13
- 230000002452 interceptive effect Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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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
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2601—Apparatus or methods therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- 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
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2607—Circuits therefor
- G01R31/2632—Circuits therefor for testing diodes
- G01R31/2635—Testing light-emitting diodes, laser diodes or photodiodes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention provides a photosensitive diode detection device and a detection method, wherein the photosensitive diode detection device comprises a box body, a light source panel, a photosensitive diode socket and a control display circuit, the light source panel is arranged in the box body and used for providing light sources with different brightness, the photosensitive diode socket is arranged in the box body and used for being inserted into a photosensitive diode to be detected and transmitting electric signals and supplying power, and the control display circuit is respectively electrically connected with the light source panel and the photosensitive diode socket and used for controlling the brightness of the light source panel and displaying detection data of the detected photosensitive diode. The invention can simulate the brightness change through the light source panel with adjustable brightness under the condition of no external natural light irradiation, realize the detection of the performance of the photosensitive diode under the condition of different brightness, and greatly improve the accuracy of the detection result.
Description
Technical Field
The invention relates to the technical field of electronic component detection equipment, in particular to a photosensitive diode detection device and a detection method.
Background
The photodiode is widely applied to household electrical appliances and instruments and equipment and is used for detecting the change condition of the ambient light brightness. When the brightness of the ambient light in which the photodiode is located changes, the current passing through the photodiode also changes.
Whether the corresponding current of the photosensitive diode is qualified or not can be judged by detecting the corresponding current of the photosensitive diode under specific and multiple brightness environments, but the brightness change of a common indoor environment is not controlled, and the test environment is easily interfered by an external light source, so that the detection result is inaccurate.
Aiming at the problems in the prior art, the invention designs the photosensitive diode detection device and the detection method which can realize the detection of the performance of the photosensitive diode under the condition of different brightness and greatly improve the accuracy of the detection result by simulating the brightness change through the light source panel with adjustable brightness under the condition of no outside natural light irradiation.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a photosensitive diode detection device and a detection method, which can simulate brightness change through a light source panel with adjustable brightness under the condition of no outside natural light irradiation, realize the detection of the performance of the photosensitive diode under the condition of different brightness, and greatly improve the accuracy of the detection result.
In a first aspect, the invention provides a photodiode detection device, which comprises a box body, a light source panel, a photodiode socket and a control display circuit, wherein the light source panel is arranged in the box body and used for providing light sources with different brightness, the photodiode socket is arranged in the box body and used for being plugged with a photodiode to be detected and transmitting electric signals and supplying power, and the control display circuit is respectively electrically connected with the light source panel and the photodiode socket and used for controlling the brightness of the light source panel and displaying detection data of the detected photodiode.
In one embodiment, the control display circuit includes a controller and a multimeter, the controller is electrically connected to the light source panel for controlling the brightness of the light source panel, and the multimeter is electrically connected to the photodiode socket for displaying the detected current data of the photodiode.
The beneficial effects of adopting the above embodiment are: the setting of controller for the luminance of control light source panel, the setting of universal meter is used for making the electric current numerical value directly readable, judges its performance through detecting the electric current numerical value at photodiode both ends.
In one embodiment, the light-sensitive diode socket is arranged on the push-pull mechanism, and the push-pull mechanism is arranged in the box body in a push-pull mode.
The beneficial effects of adopting the above embodiment are: due to the arrangement of the push-pull mechanism, the photosensitive diode can be conveniently inserted, and the detection efficiency is improved.
In one embodiment, the push-pull mechanism comprises an object stage and a push-pull panel, wherein a photodiode socket is arranged on the object stage, and the push-pull panel is connected with the object stage.
The beneficial effects of adopting the above embodiment are: the insertion of the photosensitive diode is facilitated, and the detection efficiency is improved.
In one embodiment, the object stage and the push-pull panel are connected to form a structure with an L-shaped longitudinal section.
The beneficial effects of adopting the above embodiment are: simple structure and convenient use.
In one embodiment, the box body is provided with an opening at one side, the object stage extends into the box body through the opening on the box body, and the push-pull panel can completely cover the opening on the box body so as to realize the sealing of the box body.
The beneficial effects of adopting the above embodiment are: the setting of box upper shed, the taking and putting of photosensitive diode of being convenient for, the opening on the push-and-pull panel can cover the box completely to realize the airtight of box, prevent that external light source from disturbing the test environment.
In one embodiment, the periphery of the opening on the box body is provided with a sealing strip for ensuring the tightness of the box body so as to prevent an external light source from interfering with the test environment.
The beneficial effects of adopting the above embodiment are: through the contact of sealing strip and push-and-pull panel, improved the leakproofness of box to prevent that external light source from disturbing test environment.
In one embodiment, the opening edge of the box body and the push-pull panel are provided with magnets for locking the push-pull panel.
The beneficial effects of adopting the above embodiment are: when the push-pull panel is closed, the magnets on the box body and the push-pull panel attract each other to generate certain attraction, so that the push-pull panel is tightly attached to and completely covers the opening on the box body, the push-pull panel and the box body are locked, the sealing performance of the box body is improved, and the external light source is prevented from interfering the test environment.
In one embodiment, the box body and the push-pull panel are made of opaque materials.
The beneficial effects of adopting the above embodiment are: and the external light source is prevented from interfering the test environment.
In a second aspect, the invention further provides a detection method of the photodiode, and the detection device of the photodiode is adopted.
Compared with the prior art, the invention has the advantages that:
(1) the brightness change can be simulated through the light source panel with adjustable brightness under the condition of no external natural light irradiation, the detection of the performance of the photosensitive diode under the condition of different brightness is realized, and the accuracy of the detection result is greatly improved.
(2) The multimeter is arranged to make the current value directly readable, and the performance of the multimeter is judged by detecting the current values at two ends of the photosensitive diode.
(3) The arrangement of the push-pull panel, the sealing strips and the magnets improves the airtightness of the box body so as to prevent the external light source from interfering the test environment.
The technical features mentioned above can be combined in various suitable ways or replaced by equivalent technical features as long as the object of the invention is achieved.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:
FIG. 1 is a schematic diagram of a photodiode detection apparatus;
FIG. 2 shows a circuit connection diagram for controlling the display circuit;
in the drawings, like parts are provided with like reference numerals. The drawings are not to scale.
10-a photodiode detection device; 11-a box body; 13-a light source panel; 15-photodiode sockets; 17-control the display circuit; 171-a multimeter; 173-push-button; 175-a knob; 19-an object stage; 21-a push-pull panel; 23-a sealing strip; 25-a magnet; 27-a connecting line; 29-power adapter, 31-photodiode.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Example 1:
as shown in fig. 1 and 2, a photodiode detection apparatus 10 includes a box 11, a light source panel 13, a photodiode socket 15 and a control display circuit 17, wherein the light source panel 13 is disposed in the box 11 and is used for providing light sources with different brightness, the photodiode socket 15 is disposed in the box 11 and is used for plugging a photodiode 31 to be detected and transmitting electrical signals and supplying power, and the control display circuit 17 is electrically connected to the light source panel 13 and the photodiode socket 15 respectively and is used for controlling the brightness of the light source panel 13 and displaying detection data of the detected photodiode 31.
Specifically, in this embodiment, the light source panel 13 is an LED light source panel with adjustable brightness, and is used to provide light sources with different brightness required for measuring the photodiode 31 under the condition of no natural light irradiation.
The box body 11 is made of opaque materials, and an external light source is prevented from penetrating through the box body 11 to interfere with a test environment.
The light source panel 13 is arranged at the top in the box body 11, the control display circuit 17 can be arranged on the outer wall of the box body 11 and can also be independently arranged, the control display circuit 17 is respectively electrically connected with the light source panel 13 and the photosensitive diode socket 15 through a connecting wire 27, and the control display circuit 17 is connected with a power supply through a power adapter 29.
During detection, the photosensitive diode 31 to be detected is inserted into the photosensitive diode socket 15, the detection or test result can be checked by controlling the display circuit 17, and the detection is convenient and quick.
The control display circuit 17 comprises a controller and a multimeter 171, the controller is electrically connected with the light source panel 13 and used for controlling the brightness of the light source panel 13, and the multimeter 171 is electrically connected with the photodiode socket 15 and used for displaying the detected current data of the photodiode 31.
Specifically, in this embodiment, since the current passing through the photodiode 31 changes when the brightness of the ambient light where the photodiode 31 is located changes, according to the above principle, the current values at the two ends of the photodiode 31 under different brightness conditions are directly read by using the multimeter 171 or the ammeter, so as to determine the performance of the photodiode 31, thereby realizing semi-automatic inspection of the photodiode 31, and being simple and convenient to operate.
The controller includes a control panel and buttons 173 and knobs 175 disposed on the control panel.
In this embodiment, the button 173 includes a fixed brightness button and an on/off button, and the knob 175 includes a brightness adjusting knob, so that different light source environments can be set through the button 173 and the knob 175.
The photodiode detection device 10 further comprises a push-pull mechanism, the photodiode socket 15 is arranged on the push-pull mechanism, and the push-pull mechanism is arranged in the box body 11 in a push-pull mode.
Specifically, in this embodiment, the push-pull mechanism includes an object stage 19 and a push-pull panel 21, the object stage 19 is provided with a photodiode socket 15, the push-pull panel 21 is connected to the object stage 19, the object stage 19 and the push-pull panel 21 are connected to form a structure having an L-shaped longitudinal section, and the push-pull panel 21 is made of a light-tight material.
Be provided with the guide way in the box 11, objective table 19 slidable sets up in the guide way to can remove along the direction of guidance of guide way, through to the application of force of push-and-pull panel 21, can drive objective table 19 and remove and take out push-and-pull mechanism from the box 11, make things convenient for cartridge photodiode 31, improved photodiode's detection efficiency.
In one of the embodiments, a plurality of photodiode sockets 15 are arranged or directly placed on the object stage 19, each photodiode socket 15 is independently connected with one multimeter 171 or an ammeter, and the arrangement can be used for simultaneously detecting a plurality of photodiodes 31, so that the detection efficiency is improved, and meanwhile, the performance parameter difference between different photodiodes 31 can be compared, and the measurement accuracy is improved.
In one embodiment, the light sensitive diode socket 15 can be plugged with a plurality of light sensitive diodes 31, the plugging position of each light sensitive diode 31 is independently connected with a universal meter 171 or an ammeter, and the arrangement can be used for simultaneously detecting the plurality of light sensitive diodes 31, so that the detection efficiency is improved, and meanwhile, the performance parameter difference among different light sensitive diodes 31 can be compared, and the measurement accuracy is improved.
Wherein, the opening of one side of the box body 11 is arranged, the objective table 19 passes through the opening on the box body 11 and extends into the box body 11, and the push-pull panel 21 can completely cover the opening on the box body 11 so as to realize the sealing of the box body 11.
The sealing strip 23 is arranged around the opening of the box body 11, and is used for ensuring the sealing performance of the box body so as to prevent the external light source from interfering the testing environment.
Specifically, in this embodiment, the area of the push-pull panel 21 is slightly larger than the area of the opening on the box 11, the object stage 19 can penetrate through the opening on the box 11 and extend into the box 11, and the push-pull panel 21 can completely cover the opening on the box 11 in the push-pull process, so as to seal the box 11.
The sealing strip 23 is circumferentially attached to the periphery of the outer side of the opening in the box body 11, after the push-pull panel 21 is closed, the push-pull panel 21 faces one side surface of the opening in the box body 11 and can be in contact with the sealing strip 23, the sealing strip 23 is arranged to improve the sealing performance of the box body 11, and the external light source can be prevented from interfering the test environment.
The arrangement adopts a specific magnetic attraction structure, so that the push-pull panel 21 and the box body 11 are closely attracted, the tightness of the box body 11 is improved, an external light source can be prevented from entering the box body 11, and a stable state that the photosensitive diode 31 is not influenced by external natural light during testing is realized.
The surface of one side of the push-pull panel 21, which is far away from the opening on the box body 11, is also provided with a handle, so that the hand holding and the force application are convenient.
Example 2:
a photodiode detection method, using the photodiode detection apparatus 10 of embodiment 1, includes the following steps:
the stage 19 is extracted from the box 11;
the photodiode 31 is inserted into the photodiode socket 15;
the object stage 19 with the photodiode 31 is pushed into the box body 11, and the push-pull panel 21 compresses the sealing strip 23 on the box body 11 due to the attraction between the magnets 25, so that light rays of the external environment cannot enter the box body 11;
the power adapter 29 is plugged into a 220VAC socket to supply power to the photodiode detection device 10;
rotating the brightness adjusting knob according to the requirement to adjust the brightness of the light source panel 13, and when the required brightness is achieved, pressing the fixed brightness key to keep the stable brightness of the light source in the box body 11;
after the light source is adjusted, the multimeter 171 or the ammeter measures the current value of the corresponding brightness of the photodiode 31, and displays the measured current information;
the current information on multimeter 171 or ammeter is read and a determination is made as to the performance of the photodiode 31 being tested according to relevant criteria.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (10)
1. A photodiode detection apparatus, comprising:
a box body;
the light source panel is arranged in the box body and is used for providing light sources with different brightness;
the photosensitive diode socket is arranged in the box body and used for inserting the photosensitive diode to be detected and transmitting an electric signal and supplying power; and
and the control display circuit is electrically connected with the light source panel and the photosensitive diode socket respectively and is used for controlling the brightness of the light source panel and displaying the detected detection data of the photosensitive diode.
2. The photodiode detection apparatus of claim 1, wherein the control display circuit comprises:
the controller is electrically connected with the light source panel and is used for controlling the brightness of the light source panel; and
and the universal meter is electrically connected with the photosensitive diode socket and is used for displaying the detected current data of the photosensitive diode.
3. The photodiode detection apparatus of claim 1, further comprising a push-pull mechanism, wherein the photodiode socket is disposed on the push-pull mechanism, and the push-pull mechanism is disposed in the box body in a push-pull manner.
4. The photodiode detection apparatus of claim 3, wherein the push-pull mechanism comprises:
the objective table is provided with a photosensitive diode socket; and
a push-pull panel connected with the objective table.
5. The photodiode detection apparatus of claim 4, wherein the stage and the push-pull panel are connected to form a structure with an L-shaped longitudinal section.
6. The photodiode detection apparatus of claim 5, wherein the box is provided with an opening at one side, the stage extends into the box through the opening of the box, and the push-pull panel can completely cover the opening of the box to seal the box.
7. The photodiode detection apparatus of claim 6, wherein a sealing strip is disposed around the opening of the box body for ensuring the tightness of the box body to prevent an external light source from interfering with the testing environment.
8. The photodiode detection apparatus of claim 6, wherein the opening edge of the box body and the push-pull panel are provided with magnets for locking the push-pull panel.
9. The photodiode detection apparatus of claim 4, wherein the housing and the push-pull panel are made of opaque material.
10. A photodiode detection method, characterized by using the photodiode detection apparatus according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110553308.9A CN113092980A (en) | 2021-05-20 | 2021-05-20 | Detection device and detection method for photosensitive diode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110553308.9A CN113092980A (en) | 2021-05-20 | 2021-05-20 | Detection device and detection method for photosensitive diode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113092980A true CN113092980A (en) | 2021-07-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110553308.9A Withdrawn CN113092980A (en) | 2021-05-20 | 2021-05-20 | Detection device and detection method for photosensitive diode |
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| Country | Link |
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| CN (1) | CN113092980A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114113705A (en) * | 2021-11-23 | 2022-03-01 | 中车大连机车车辆有限公司 | Diode terminal strip with self-detection fault state and detection circuit thereof |
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