CN113865829A - Multichannel light focusing device for parameter test of photoelectric detector - Google Patents
Multichannel light focusing device for parameter test of photoelectric detector Download PDFInfo
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a multichannel light focusing device for parameter test of a photoelectric detector, which comprises a light focusing mechanism, a positioning mechanism and a signal transmission mechanism, wherein the light focusing mechanism and the positioning mechanism are oppositely arranged, the signal transmission mechanism is arranged on the positioning mechanism, the light focusing mechanism can be adjustably arranged above the positioning mechanism, the light focusing mechanism comprises a light focusing bearing frame and a plurality of light focusing units distributed on the light focusing bearing frame in an array manner, the photoelectric detector to be tested is positioned on the positioning mechanism and corresponds to the position below the light focusing units, so that the parameter test of the photoelectric detector is realized; the whole process can realize multi-channel simultaneous light focusing without moving the device outside the experimental box, and the test result is efficient and reliable.
Description
Technical Field
The invention relates to the technical field of photoelectric detector light alignment, in particular to a multichannel light alignment device for photoelectric detector parameter test.
Background
Photoelectric detector products are widely applied to the military and civil fields of laser radar, laser ranging, optical sensing, optical fiber communication, substance optical monitoring instruments, substance absorption spectrum testing, substance fluorescence detection, optical power meters, photoelectric testing, industrial automatic control and the like. The photoelectric detector is mainly classified into an optical fiber type detector and an optical window type detector according to a light receiving mode. The optical window type detector is a product for receiving space light, and has strict requirements on the incident angle of light, the receiving wavelength range, the light power range, the characteristic parameters of optical signals, the environmental temperature and humidity and the like, so that special optical signals with given characteristic parameters are required to be used as test conditions when the product is measured, and photoelectric parameter tests are carried out at high and low temperatures to evaluate the performance of the photoelectric detector in an extreme environment.
At present, the practice of performing the photoelectric parameter test is generally as follows: firstly, optical signals are required to be applied to a product in a narrow space of a high-low temperature test box, and the light can be added in a mode of adjusting a micro-motion table or a stepping motor to adjust a core and align, so that the device has a large volume and a limited displacement stroke, and cannot meet the requirement of product batch production test efficiency; secondly, the temperature of the high-temperature and low-temperature box needs to be raised and lowered repeatedly when the high-temperature and low-temperature box is placed for testing, and the reliability of the high-temperature and low-temperature box is difficult to guarantee. And secondly, when the product is tested at high and low temperatures, the product is taken out of the box for light-adding testing, although the problem of difficulty in applying light signals is solved, the product after being taken out of the incubator cannot meet the requirement of on-line testing at a given temperature due to temperature change, and the testing method is not standard, so that the testing result is unreliable.
Disclosure of Invention
The invention aims to provide a multi-channel light focusing device for parameter testing of a photoelectric detector, which aims to solve the problems that batch testing cannot be carried out and the reliability of an online test result is poor in the prior art.
In order to solve the above problems, the present invention provides a multi-channel light-focusing device for parameter testing of a photodetector, comprising a light-focusing mechanism and a positioning mechanism which are oppositely arranged, and a signal transmission mechanism arranged on the positioning mechanism, wherein the light-focusing mechanism is adjustably arranged above the positioning mechanism, the light-focusing mechanism comprises a light-focusing support frame and a plurality of light-focusing units distributed on the light-focusing support frame in an array manner, and the photodetector to be tested is positioned on the positioning mechanism and at a position corresponding to the lower part of the light-focusing units, so as to implement parameter testing of the photodetector; the photoelectric detector is electrically connected with the signal transmission mechanism so as to transmit the optical test signal outwards.
Furthermore, the position of the light focusing bearing frame corresponding to the light focusing unit is provided with a light focusing mounting hole which is communicated up and down, an inner thread is arranged on the inner wall of the light focusing mounting hole, an outer thread matched with the inner thread is arranged on the outer wall of the light focusing unit, and the light focusing unit is detachably mounted in the light focusing mounting hole through the matching of the outer thread and the inner thread.
Furthermore, the light-focusing unit comprises an optical fiber interface with a small diameter and a connecting part with a large diameter and integrated into a whole, the optical fiber interface is externally connected with the light outlet end of the optical fiber branching unit, the external threads are circumferentially and spirally distributed on the outer wall of the connecting part, and the connecting part and the photoelectric detector realize optical signal transmission relatively.
Furthermore, a positioning groove with a downward opening and communicated with the optical fiber interface is formed in the connecting part, the inner diameter of the positioning groove is larger than the diameter of the photoelectric detector, and the photoelectric detector is positioned in the positioning groove during online testing.
Furthermore, the positioning mechanism comprises a mounting plate arranged opposite to the alignment bearing frame and positioning seats distributed above the mounting plate in a one-to-one correspondence with the alignment units, and the signal transmission mechanism is arranged on the mounting plate and electrically connected with the photoelectric detector inserted on the positioning seats.
Furthermore, the mounting panel orientation the one side of accepting the frame to the light is equipped with a mounting groove, signal transmission mechanism include a detachably set up in test circuit board in the mounting groove and with the plug wire connecting seat that the test circuit board electricity is connected, the external test wire of plug wire connecting seat, the positioning seat with it distributes in to the light unit one-to-one on the accepting the frame to the light on the test circuit board.
Furthermore, a placing table is convexly arranged in the mounting groove corresponding to the four corner positions; the test circuit board is detachably arranged on the table board of the placing table so that the test circuit board and the bottom of the mounting groove are in a suspended state, a positioning mounting hole coaxial with the test circuit board is formed in the position, corresponding to the light-focusing mounting hole, of the test circuit board, and the positioning seat is detachably mounted in the corresponding positioning mounting hole.
Furthermore, the positioning seat is provided with at least two positioning holes which are vertically communicated, the pins of the photoelectric detector are inserted into the positioning holes, and the pins of the photoelectric detector penetrate through the positioning holes to be electrically connected with the test circuit board.
Furthermore, a wiring groove is formed in the position, corresponding to the plug wire connecting seat, of the alignment bearing frame in the horizontal direction in an inward concave mode, and the test wires are arranged in the wiring groove.
Furthermore, at least one pair of supporting assemblies is arranged between the aligning mechanism and the positioning mechanism, each supporting assembly comprises a supporting boss and a plurality of gaskets which can be stacked and penetrated on the supporting boss, each supporting boss is provided with a first round table which is large in diameter and fixedly connected with the positioning mechanism and a second round table which is small in diameter and fixed on the first round table, and the gaskets are stacked and arranged on the outer side of the second round table; and a bearing frame mounting hole matched with the diameter of the second round table is formed in the position, corresponding to the second round table, of the light-aligning bearing frame, and the second round table penetrates through the bearing frame mounting hole in a sliding mode.
According to the invention, the plurality of light focusing units are detachably arranged on the light focusing bearing frame, so that multi-channel simultaneous light focusing can be realized according to requirements, and the test efficiency is greatly improved; and set up unsettled signal transmission mechanism on the mounting panel, the signal accessible signal transmission mechanism that photoelectric detector detected goes up external test line direct transmission and comes out, make this device can place and realize the on-line test under the given temperature in the high low temperature experiment case, and need not to take photoelectric detector to carry out the light test outside the high low temperature experiment case, and this device is pure mechanical mechanism formula setting, can reduce the influence of the signal of telecommunication test result in the testing process, the reliability of test result is high, can satisfy the high low temperature on-line test's of optical window type detector requirement high-efficiently.
Drawings
FIG. 1 is a schematic structural diagram of a multi-channel focusing device for parameter testing of a photodetector according to the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a view from the direction of a-a in fig. 2.
Fig. 4 is a schematic structural view of the mounting plate of fig. 1.
Fig. 5 is a schematic structural view of the positioning socket in fig. 1.
Fig. 6 is a top view of fig. 4.
Fig. 7 is a schematic structural diagram of the signal transmission mechanism in fig. 1.
Fig. 8 is a schematic structural view of the support assembly in fig. 1.
Fig. 9 is a mounting state diagram of the present invention.
The reference numbers of the specification are as follows:
the photoelectric detector 100, the alignment mechanism 1, the alignment receptacle 11, the alignment mounting hole 11a, the internal thread 11b, the wiring groove 11c, the receptacle mounting hole 11d, the alignment unit 12, the optical fiber interface 121, the connecting portion 122, the positioning groove 122a, the external thread 122b, the positioning mechanism 2, the mounting plate 21, the mounting groove 21a, the placing table 21b, the positioning seat 22, the positioning pin 22a, the positioning hole 22b, the conducting portion 22c, the signal transmission mechanism 3, the test circuit board 31, the positioning mounting hole 31a, the wire plugging connecting seat 32, the support assembly 4, the support boss 41, the first round table 411, the second round table 412, and the gasket 42.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1 to 3, the multi-channel focusing device for parameter testing of a photodetector of the present invention includes a focusing mechanism 1 and a positioning mechanism 2, which are oppositely disposed, a signal transmission mechanism 3 disposed on the positioning mechanism 2, and a supporting assembly 4 disposed between the focusing mechanism 1 and the positioning mechanism 2 for adjusting the relative positions of the focusing mechanism 1 and the positioning mechanism 2. When the parameters of the photodetector 100 are tested on line, the photodetector 100 to be tested is fixed at the corresponding position of the positioning mechanism 2 through the pin thereof, and the photosensitive surface of the photodetector 100 is opposite to the aligning mechanism 1, so that the optical signal applied to the aligning mechanism 1 can be transmitted to the photodetector 100 and a corresponding test signal is generated; meanwhile, after the photoelectric detector 100 is installed in place, the pin of the photoelectric detector is electrically connected with the signal transmission mechanism 3, so that a test signal can be transmitted outwards through a test line externally connected with the signal transmission mechanism 3, the high-low temperature online test of the photoelectric detector 100 is realized, an optical signal is not required to be applied when an optical device is moved to the outside of an experiment box in the whole process, and the test structure is accurate and reliable; in addition, when the online test is performed, the relative position of the alignment mechanism 1 and the positioning mechanism 2 can be adjusted through the supporting component 4 according to different packaging structures of the photoelectric detector 100, so that the alignment device can meet the requirements of high-low temperature online test of the photoelectric detectors 100 packaged in different ways, and the applicability is wide.
The optical alignment mechanism 1 comprises a pair of optical receiving frames 11 and optical alignment units 12 distributed on the optical receiving frames 11 in an array, and when the optical alignment is performed, the photosensitive surface of the photodetector 100 is located at a position right below the optical alignment units 12, so that when the optical splitter applies an optical signal to the optical alignment units 12, the optical signal can be accurately transmitted to the photodetector 100. Specifically, the light-focusing unit 12 includes a small-diameter optical fiber interface 121 and a large-diameter connecting portion 122 integrally formed at the bottom of the optical fiber interface 121; the optical fiber interface 121 is externally connected to an optical output end of the optical fiber splitter and used for accessing an optical signal, and the connecting portion 122 is opposite to a photosensitive surface of the photodetector 100 to realize optical signal transmission. A positioning groove 122a with a downward opening and communicated with the optical fiber interface 121 is formed on the connecting portion 122, and the inner diameter of the positioning groove 122a is larger than the diameter of the photodetector 100, so that when performing an online test, the photodetector 100 is positioned in the positioning groove 122a, and it is ensured that an optical signal can be accurately transmitted to the photodetector 100 through the optical fiber interface 121 and the connecting portion 122.
The light alignment support 11 is provided with a plurality of light alignment mounting holes 11a which are vertically through, and the plurality of light alignment mounting holes 11a are distributed in an array on the light alignment support 11, when the light alignment support is implemented specifically, each light alignment mounting hole 11a can be correspondingly detachably mounted with one light alignment unit 12, the number of the light alignment units 12 can be smaller than or equal to the number of the light alignment mounting holes 11a, so that the light alignment units 12 with proper number can be mounted according to the test requirements to perform high-low temperature online test on the photoelectric detector 100. In the present embodiment, in consideration of signal interference between channels, efficiency of on-line testing and accuracy of testing results, the number of the light aligning mounting holes 11a is preferably 16, and 16 light aligning units 12 are distributed in a 4 × 4 array, so that 16 channels can be aligned simultaneously. It is understood that in other embodiments, the light-aligning mounting holes 11a may be arranged in other numbers (e.g., 9, 10, 12, etc.) or in other distribution patterns (e.g., 3 × 3, 3 × 4, etc.) according to different testing requirements.
In this embodiment, in order to facilitate the mounting and dismounting of the light focusing unit 12, an internal thread 11b is provided on the inner wall of the light focusing mounting hole 11a, and an external thread 122b matched with the internal thread 11b is provided on the outer wall of the light focusing unit 12. Specifically, external screw thread 122b is followed connecting portion 122 circumference spiral distribution in on the outer wall of connecting portion 122, when carrying out the installation of focusing on unit 12, through external screw thread 122b and internal thread 11 b's cooperation can be installed the corresponding mounting hole 11a that focuses on of focusing on unit 12, convenient and fast.
With continued reference to fig. 1 and 4, the positioning mechanism 2 includes a mounting plate 21 disposed opposite to the aligning receptacle 11 and positioning seats 22 distributed above the mounting plate 21 in a one-to-one correspondence with the aligning units 12. The signal transmission mechanism 3 is detachably arranged on the mounting plate 21, and specifically, a mounting groove 21a is concavely arranged on one surface of the mounting plate 21 facing the optical alignment bearing frame 11, and is used for placing the signal transmission mechanism 3; a placing table 21b is convexly arranged at four corner positions corresponding to the mounting groove 21a in the mounting groove 21a, and the signal transmission mechanism 3 is detachably placed on the table surface of the placing table 21b so that the signal transmission mechanism 3 and the bottom of the mounting groove 21a are in a suspended state, thereby avoiding the signal transmission mechanism 3 from being in contact with the mounting plate 21 to cause short circuit of the signal transmission mechanism 3. The positioning seat 22 is detachably mounted on the signal transmission mechanism 3, specifically, the signal transmission mechanism 3 is provided with a positioning mounting hole 31a corresponding to the light mounting hole 11a one-to-one, the positioning mounting hole 31a is coaxial with the light mounting hole 11a, and the positioning seat 22 is detachably mounted in the positioning mounting hole 31a, so that the positioning seats 22 in proper number can be mounted according to the number of tested photoelectric detectors 100.
With reference to fig. 5 and fig. 6, in order to facilitate the disassembly and assembly of the positioning seat, a positioning pin 22a is disposed at the bottom of the positioning seat 22, and during the installation, the positioning pin 22a is inserted into the corresponding positioning mounting hole 31a, so that the positioning seat 22 can be installed at the corresponding position of the signal transmission mechanism 3. In specific implementation, the positioning seats 22 only need to be used in one-to-one correspondence with the aligning units 12, and there is no need for the positioning seats 22 to be in one-to-one correspondence with the number of the aligning mounting holes 11a or the number of the positioning mounting holes 31a, that is, the number of the positioning seats 22 may be smaller than or equal to the number of the positioning mounting holes 31a, but when the number of the positioning seats 22 is smaller than the number of the positioning mounting holes 31a, the positioning seats 22 should be installed on the signal transmission mechanism 3 as uniformly as possible when the positioning seats 22 are installed, so that the positioning seats 22 are separated by the same distance as possible, so as to reduce the crosstalk influence between the channels in use.
At least two positioning holes 22b which are penetrated up and down are formed in the positioning seat 22, and pins of the photoelectric detector 100 are inserted into the positioning holes 22b to fix the photoelectric detector 100; and a conduction part 22c extends downwards from the bottom of each positioning hole 22b, and after the positioning seat 22 is installed in place, the conduction part 22c is inserted into a corresponding position of the signal transmission mechanism 3, so that the pin of the photoelectric detector 100 passes through the positioning hole 22b to contact with the conduction part 22c, thereby realizing the electrical connection between the pin of the photoelectric detector 100 and the signal transmission mechanism 3, and further transmitting the test signal outwards through the signal transmission mechanism 3. In the present embodiment, in consideration of the applicability of the positioning seat 22, the number of the positioning holes 22b is preferably 12, which can satisfy the pin number of most photoelectric sensors in the market. It is understood that, in other embodiments, the positioning holes 22b can be disposed in other numbers (e.g., 4, 8, etc.) to reduce the volume of the positioning seat 22 and the cost.
With reference to fig. 7, the signal transmission mechanism 3 includes a test circuit board 31 and at least one plug connector seat 32 electrically connected to the test circuit board 31, the test circuit board 31 is detachably disposed in the mounting groove 21a, and in a specific implementation, the test circuit board 31 may be mounted in the mounting groove 21a by bolts or other structures. The positioning seat 22 is mounted on the test circuit board 31, and the plug wire connecting seat 32 is externally connected with a test wire (not shown in the figure), so that the test signal generated by the photoelectric detector 100 can be sequentially transmitted to the outside through the test circuit board 31, the plug wire connecting seat 32 and the test wire. In this embodiment, the test circuit board 31 is a PCB board printed with a circuit. The positioning mounting holes 31a are disposed on the test circuit board 31, the plug connector base 32 has a signal transmission channel (not shown) connected to each positioning mounting hole 31a to realize the conduction between the photodetector 100 and the test circuit board 31, and a test wire is connected to the signal transmission channel to realize the independent transmission of the test signal of each channel. In this embodiment, in consideration of the crosstalk between the channels and the optimal volume of the whole device, the number of the plug wire connecting seats 32 is two, and the two plug wire connecting seats 32 are symmetrically arranged on two sides of the test circuit board 31, and each plug wire connecting seat 32 is correspondingly connected to the photodetectors 100 on the 8 positioning seats 22 on the same side; in addition, in order to facilitate the wire arrangement of the test wire, the positions of the two sides of the alignment support 11 corresponding to the positions right above the plug wire connecting seats 32 are recessed inwards along the horizontal direction of the alignment support 11 to form an I-shaped structure, and two wiring grooves 11c are respectively formed on the two sides of the alignment support 11 of the I-shaped structure to reserve a wire arrangement space for the test wire. It is understood that in other embodiments, the number of the plug connector holders 32 may be 1, 4, etc., and the wiring grooves 11c are also disposed corresponding to the positions and the numbers of the plug connector holders 32.
With reference to fig. 8, the supporting assembly 4 includes a supporting boss 41 and a plurality of spacers 42 that can be stacked on the supporting boss 41, and the relative position between the light receiving frame 11 and the positioning mechanism 2 is changed by increasing or decreasing the number of the stacked spacers 42, so as to adjust the distance between the bottom of the positioning slot 122a on the light unit 12 and the photosensitive surface of the photodetector 100, thereby avoiding the influence on the test result due to the excessively large distance, and avoiding the damage to the surface of the photodetector 100 due to the direct contact between the light unit 12 and the photodetector 100. Specifically, the supporting boss 41 has a first circular truncated cone 411 which has a larger diameter and is fixedly connected with the positioning mechanism 2 and a second circular truncated cone 412 which has a smaller diameter and is fixed on the first circular truncated cone 411, and the gasket 42 is sleeved on the outer side of the second circular truncated cone 412 in a laminated manner. A bearing frame mounting hole 11d matched with the diameter of the second circular truncated cone 412 is formed in the position, corresponding to the second circular truncated cone 412, of the light-focusing bearing frame 11, the second circular truncated cone 412 penetrates through the bearing frame mounting hole 11d in a sliding mode, so that the light-focusing bearing frame 11 can slide up and down along the second circular truncated cone 412, the position of the light-focusing bearing frame 11 can be changed, and meanwhile the light-focusing bearing frame 11 can be positioned.
Referring to fig. 1 and 9, when the present invention works, firstly, according to the number of the photo detectors 100 to be tested, a corresponding number of positioning bases 22 are installed in corresponding positioning installation holes 31a through positioning pins 22a, and pins of the photo detectors 100 to be tested are inserted into positioning holes 22b on the positioning bases 22; according to the position of the positioning seat 22, the alignment unit 12 is installed in the alignment installation hole 11a at the corresponding position on the alignment bearing frame 11, and the optical fiber interface 121 of the alignment unit 12 is externally connected with the light outlet end of the optical fiber branching unit; then, according to the packaging size of the photodetector 100 to be tested, selecting a proper number of spacers 42 to be sleeved on the second circular truncated cone 412 of the support assembly 4, and mounting the alignment receiving frame 11 on the second circular truncated cone 412 through the receiving frame mounting hole 11d, so that when the alignment receiving frame 11 slides downwards along the second circular truncated cone 412, the connecting portion 122 on the alignment unit 12 gradually approaches the photodetector 100 and covers the outer side of the photodetector 100; then, connecting the test wire to the plug wire connecting seat 32, and putting the whole device into a high-low temperature experimental box; finally, adjust the test parameter of high low temperature experimental box to add the optical test to photoelectric detector 100, can accomplish the high low temperature on-line test of photoelectric detector 100, whole process all realizes in high low temperature experimental box, need not to move the device to the experimental box and add the optical test outward, and the test result is reliable, and can carry out the multichannel while and to the light, efficiency of software testing is high.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields, and are within the scope of the present invention.
Claims (10)
1. A multichannel is to light device for testing of photoelectric detector parameter which characterized in that: the device comprises a light aligning mechanism and a positioning mechanism which are arranged oppositely, and a signal transmission mechanism arranged on the positioning mechanism, wherein the light aligning mechanism is arranged above the positioning mechanism in an adjustable manner, the light aligning mechanism comprises a light aligning bearing frame and light aligning units distributed on the light aligning bearing frame in an array manner, and a photoelectric detector to be tested is positioned on the positioning mechanism and corresponds to the position below the light aligning units so as to realize parameter testing of the photoelectric detector; the photoelectric detector is electrically connected with the signal transmission mechanism so as to transmit the optical test signal outwards.
2. The multi-channel focusing device for parameter testing of photoelectric detector as claimed in claim 1, wherein: the light focusing support is provided with a light focusing mounting hole which is communicated up and down and is arranged at a position corresponding to the light focusing unit, an internal thread is arranged on the inner wall of the light focusing mounting hole, an external thread matched with the internal thread is arranged on the outer wall of the light focusing unit, and the light focusing unit is detachably mounted in the light focusing mounting hole through the matching of the external thread and the internal thread.
3. The multi-channel focusing device for parameter testing of photoelectric detector as claimed in claim 2, wherein: the optical fiber coupling device comprises an optical fiber unit and a photoelectric detector, wherein the optical fiber unit comprises an optical fiber interface with a small diameter and a connecting part with a large diameter and formed integrally at the bottom of the optical fiber interface, the optical fiber interface is externally connected with an optical outlet end of an optical fiber branching unit, external threads are circumferentially and spirally distributed on the outer wall of the connecting part, and the connecting part and the photoelectric detector relatively realize optical signal transmission.
4. The multi-channel focusing device for parameter testing of photoelectric detector as claimed in claim 2, wherein: the connecting part is provided with a positioning groove with an opening facing downwards and communicated with the optical fiber interface, the inner diameter of the positioning groove is larger than the diameter of the photoelectric detector, and the photoelectric detector is positioned in the positioning groove during online testing.
5. The multi-channel focusing device for parameter testing of photoelectric detector as claimed in claim 2, wherein: the positioning mechanism comprises a mounting plate and positioning seats, the mounting plate is arranged opposite to the alignment bearing frame, the positioning seats are distributed above the mounting plate in a one-to-one correspondence mode with the alignment units, and the signal transmission mechanism is arranged on the mounting plate and is electrically connected with a photoelectric detector inserted on the positioning seats.
6. The multi-channel focusing device for parameter testing of photoelectric detector as claimed in claim 5, wherein: the mounting panel orientation be equipped with a mounting groove to the one side of light accepting frame, signal transmission mechanism include a detachably set up in test circuit board in the mounting groove and with the plug wire connecting seat that the test circuit board electricity is connected, the external test wire of plug wire connecting seat, the positioning seat with to the light unit one-to-one ground distribution on the accepting frame in test circuit board is last.
7. The multi-channel focusing device for parameter testing of photoelectric detector as claimed in claim 6, wherein: a placing table is convexly arranged in the mounting groove corresponding to the four corner positions; the test circuit board is detachably arranged on the table board of the placing table so that the test circuit board and the bottom of the mounting groove are in a suspended state, a positioning mounting hole coaxial with the test circuit board is formed in the position, corresponding to the light-focusing mounting hole, of the test circuit board, and the positioning seat is detachably mounted in the corresponding positioning mounting hole.
8. The multi-channel focusing device for parameter testing of photoelectric detector as claimed in claim 6, wherein: the positioning seat is provided with at least two positioning holes which are vertically communicated, the pins of the photoelectric detector are inserted in the positioning holes, and the pins of the photoelectric detector penetrate through the positioning holes to be electrically connected with the test circuit board.
9. The multi-channel focusing device for parameter testing of photoelectric detector as claimed in claim 6, wherein: the position corresponding to the plug wire connecting seat on the alignment bearing frame is inwards concave along the horizontal direction to form a wiring groove, and the test wires are arranged in the wiring groove.
10. The multi-channel focusing device for parameter testing of photoelectric detector as claimed in claim 1, wherein: at least one pair of supporting components is arranged between the aligning mechanism and the positioning mechanism, each supporting component comprises a supporting boss and a plurality of gaskets which can be stacked and penetrated on the supporting boss, each supporting boss is provided with a first round table which has a larger diameter and is fixedly connected with the positioning mechanism and a second round table which has a smaller diameter and is fixed on the first round table, and the gaskets are stacked and arranged on the outer side of the second round table; and a bearing frame mounting hole matched with the diameter of the second round table is formed in the position, corresponding to the second round table, of the light-aligning bearing frame, and the second round table penetrates through the bearing frame mounting hole in a sliding mode.
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Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61277024A (en) * | 1985-05-31 | 1986-12-08 | Sharp Corp | Light spectrum detector |
US6493077B1 (en) * | 2001-07-16 | 2002-12-10 | International Business Machines Corporation | Optical test probe for silicon optical bench |
GB0907290D0 (en) * | 2009-04-28 | 2009-06-10 | Sec Dep For Innovation Univers | Method and system for measuring the propagation properties of a light beam |
US20090152441A1 (en) * | 2007-12-18 | 2009-06-18 | Samsung Electronics Co., Ltd. | Light sensor test unit, method of testing light sensor using the same and display apparatus |
CN102539983A (en) * | 2011-11-21 | 2012-07-04 | 西南技术物理研究所 | High and low temperature test system for multi-quadrant photoelectric detectors |
CN103674485A (en) * | 2013-12-25 | 2014-03-26 | 中国电子科技集团公司第四十一研究所 | Photoelectric detector parameter testing fixture and testing method |
CN203658016U (en) * | 2013-12-25 | 2014-06-18 | 中国电子科技集团公司第四十一研究所 | A photoelectric detector parameter test clamp |
CN104483104A (en) * | 2014-12-25 | 2015-04-01 | 中国科学院半导体研究所 | Spectral response analysis system for photoelectric detector |
CN205490548U (en) * | 2015-12-30 | 2016-08-17 | 江苏中土星通光电科技有限公司 | Optical divider automatic testing appearance |
CN207424015U (en) * | 2017-11-22 | 2018-05-29 | 贵州航天计量测试技术研究所 | A kind of logic analyser lane testing seat |
CN207765639U (en) * | 2017-12-25 | 2018-08-24 | Tcl通力电子(惠州)有限公司 | Arrange needle female seat and pcb board component |
CN209418844U (en) * | 2019-03-01 | 2019-09-20 | 深圳市鑫冠辉电子有限公司 | Arrange needle connector component |
CN112985487A (en) * | 2021-02-08 | 2021-06-18 | 中国科学院半导体研究所 | Array type photoelectric detector test system |
CN113013679A (en) * | 2021-02-25 | 2021-06-22 | 吉安市联基电子有限公司 | Anti-reverse-plugging female header connector |
CN113009247A (en) * | 2021-01-29 | 2021-06-22 | 电子科技大学 | Characteristic testing device of organic photoelectric sensor |
-
2021
- 2021-10-12 CN CN202111186781.4A patent/CN113865829A/en active Pending
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61277024A (en) * | 1985-05-31 | 1986-12-08 | Sharp Corp | Light spectrum detector |
US6493077B1 (en) * | 2001-07-16 | 2002-12-10 | International Business Machines Corporation | Optical test probe for silicon optical bench |
US20090152441A1 (en) * | 2007-12-18 | 2009-06-18 | Samsung Electronics Co., Ltd. | Light sensor test unit, method of testing light sensor using the same and display apparatus |
GB0907290D0 (en) * | 2009-04-28 | 2009-06-10 | Sec Dep For Innovation Univers | Method and system for measuring the propagation properties of a light beam |
CN102539983A (en) * | 2011-11-21 | 2012-07-04 | 西南技术物理研究所 | High and low temperature test system for multi-quadrant photoelectric detectors |
CN203658016U (en) * | 2013-12-25 | 2014-06-18 | 中国电子科技集团公司第四十一研究所 | A photoelectric detector parameter test clamp |
CN103674485A (en) * | 2013-12-25 | 2014-03-26 | 中国电子科技集团公司第四十一研究所 | Photoelectric detector parameter testing fixture and testing method |
CN104483104A (en) * | 2014-12-25 | 2015-04-01 | 中国科学院半导体研究所 | Spectral response analysis system for photoelectric detector |
CN205490548U (en) * | 2015-12-30 | 2016-08-17 | 江苏中土星通光电科技有限公司 | Optical divider automatic testing appearance |
CN207424015U (en) * | 2017-11-22 | 2018-05-29 | 贵州航天计量测试技术研究所 | A kind of logic analyser lane testing seat |
CN207765639U (en) * | 2017-12-25 | 2018-08-24 | Tcl通力电子(惠州)有限公司 | Arrange needle female seat and pcb board component |
CN209418844U (en) * | 2019-03-01 | 2019-09-20 | 深圳市鑫冠辉电子有限公司 | Arrange needle connector component |
CN113009247A (en) * | 2021-01-29 | 2021-06-22 | 电子科技大学 | Characteristic testing device of organic photoelectric sensor |
CN112985487A (en) * | 2021-02-08 | 2021-06-18 | 中国科学院半导体研究所 | Array type photoelectric detector test system |
CN113013679A (en) * | 2021-02-25 | 2021-06-22 | 吉安市联基电子有限公司 | Anti-reverse-plugging female header connector |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN118549784A (en) * | 2024-05-28 | 2024-08-27 | 重庆鹰谷光电股份有限公司 | Photoelectric detector testing device and application method thereof |
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