CN116952538B - A quick quality control device for ultraviolet detector photoelectric property detects - Google Patents
A quick quality control device for ultraviolet detector photoelectric property detects Download PDFInfo
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Abstract
The utility model relates to the field of ultraviolet detector detection, in particular to a rapid quality inspection device for detecting the photoelectric performance of an ultraviolet detector, which comprises a circulating detection track, wherein a lifting driver is rotatably arranged in the circulating detection track, two lamp holder support tables are respectively arranged at the two ends of the circulating detection track in a lifting manner, an arc light electric detection clamp is arranged between the two lamp holder support tables, two arc light electric detection drivers are respectively arranged on the two lamp holder support tables in a longitudinal sliding manner, and a dark current detection table and a noise detection table for dark current test and noise characteristic test are fixed on the circulating detection track; the utility model has the beneficial effects that the ultraviolet detector which is just processed and prepared is rapidly and stably detected in batches, and further, the rapid quality inspection of the batch arc light electric response characteristic test, the dark current test and the noise characteristic test of the ultraviolet detector in a circulating way is realized.
Description
Technical Field
The utility model relates to the field of ultraviolet detector detection, in particular to a rapid quality inspection device for detecting photoelectric performance of an ultraviolet detector.
Background
In the existing track traffic design, the image recognition technology is generally utilized to recognize the structural abnormality of the pantograph, and the ultraviolet detection technology is utilized to realize arcing detection, so that the dynamic operation defect and fault hidden danger information of the pantograph net are timely excavated, the on-line detection capability of the pantograph net is realized, and powerful support guarantee is provided for urban rail train operation. The ultraviolet detector in the bow net monitoring system can collect and capture information such as the number of times of arcing, the intensity of arcing, the duration, the rate of arcing and the like of the bow net in all weather, and sends data images and alarm signals in real time through a vehicle-ground network transmission channel, so that the ultraviolet detector which can meet the detection effect and can be stably used is needed.
Similar to the field detection device of the handheld explosion-proof infrared and ultraviolet flame detector with the patent number of CN201110357639.1, the device can be used as a flame simulator to be applied to the technical field of fire-fighting equipment detection, and is particularly applied to debugging and detection of an infrared flame detector, an ultraviolet flame detector and an infrared and ultraviolet composite flame detector after field installation;
the utility model relates to an arc net arcing monitoring system, which is characterized in that the utility model uses ultraviolet light for detecting arcing points in arc burning of an arc net to judge the arcing phenomenon and intensity, and simultaneously detects the arcing temperature as an auxiliary means, thereby effectively improving the detection efficiency and accuracy of arc burning faults of the arc net, and simultaneously the detection module is attached to a pantograph as a passive device, thus greatly shortening the distance between a detector and a detection target and improving the detection sensitivity;
the ultraviolet photoelectric detector has the advantages of simple preparation process, high light absorption coefficient, rapid carrier transmission and strong applicability, and the patent number is CN 201910625116.7;
however, the existing technical scheme has the defects that the ultraviolet detector which is just processed and prepared cannot be rapidly and stably detected in batches, and the batch arc light electric response characteristic test, the dark current test and the rapid quality inspection of noise characteristic test of the ultraviolet detector in a circulating manner cannot be realized.
Disclosure of Invention
Therefore, the utility model aims to solve the technical problems that in the prior art, the ultraviolet detector which is just processed and prepared cannot be rapidly and stably detected in batches, and the problems of batch circular arc light electric response characteristic test, dark current test and rapid quality inspection of noise characteristic test on the ultraviolet detector cannot be realized.
The technical scheme is that the rapid quality inspection device for detecting the photoelectric performance of the ultraviolet detector comprises a circulating detection track, a lifting driver is rotatably arranged in the circulating detection track, two lamp holder supporting tables are respectively arranged at two ends of the circulating detection track in a lifting mode, an arc light electric detection clamp is arranged between the two lamp holder supporting tables, two arc light electric detection drivers are respectively longitudinally arranged on the two lamp holder supporting tables in a sliding mode, and a dark current detection table and a noise detection table for dark current testing and noise characteristic testing are fixed on the circulating detection track.
Preferably, a plurality of packaged detectors are arranged in the circulating detection track side by side.
Preferably, two lifting bosses are symmetrically arranged on the circulating detection track; a plurality of pressure sensors are uniformly fixed in the circulating detection track; the circulating detection track is rotatably provided with a transport drive for driving the detector.
Preferably, the lifting driver comprises a double-shaft servo motor, a plurality of half-wheel lifters and a buffer spring jacking shaft, wherein the double-shaft servo motor is fixed on the inner wall of the circulating detection track through a motor base, the plurality of half-wheel lifters are uniformly fixed at two ends of the double-shaft servo motor through transmission shafts, the half-wheel lifters rotate in the circulating detection track, and the buffer spring jacking shaft is arranged on a protruding wheel of the half-wheel lifters.
Preferably, the transportation driver comprises a transportation driving double-shaft motor and a transportation driving roller, wherein the transportation driving double-shaft motor is fixed on the inner wall of the circulation detection track through a motor seat, and the transmission shafts at two ends of the transportation driving double-shaft motor drive the two transportation driving rollers to rotate in the circulation detection track.
Preferably, the lamp bracket supporting table comprises lifting plates, supporting tables, lifting threads and limiting sliding grooves, wherein the lifting plates are longitudinally and slidably inserted into the supporting tables through the lifting threads, the supporting tables are fixed on the circulating detection track, an upper limiting supporting table is fixed between the two lifting plates, and the upper limiting sliding grooves are transversely formed in the upper limiting supporting table; a neon arc discharge tube capable of adjusting the brightness of the arc is arranged between the lower end of the lifting plate and the lifting boss.
Preferably, the arc light electric detection driver comprises an arc light electric detection driving motor and a longitudinal adding plug frame, wherein the arc light electric detection driving motor is fixed on the lifting plate through a motor base, the arc light electric detection driving motor is connected with the longitudinal adding plug frame through a screw thread cylinder in a matched mode to drive, the longitudinal adding plug frame longitudinally slides in the motor base of the arc light electric detection driving motor through a limiting sliding block, and a plurality of electric connection plug blocks are arranged at the lower end of the longitudinal adding plug frame.
Preferably, the arc light electric detection clamp comprises a double-shaft clamping driving motor and a conical block positive and negative thread clamping plate, wherein the double-shaft clamping driving motor is fixed on an upper limit supporting table of the lamp bracket supporting table through a motor seat, and the double-shaft clamping driving motor drives a plurality of conical block positive and negative thread clamping plates to transversely limit and slide in a limit sliding groove through positive and negative thread intervals.
Preferably, the dark current detection platform include light source isolation frame, screw thread spiral shell section of thick bamboo driving motor, spacing plug frame and slope shape electricity connection plug, light source isolation frame is fixed on the circulation detection track, screw thread spiral shell section of thick bamboo driving motor passes through the motor cabinet to be fixed in the upper end of light source isolation frame, screw thread spiral shell section of thick bamboo driving motor passes through the vertical grafting of screw thread cooperation drive spacing plug frame on light source isolation frame, the lower extreme of spacing plug frame evenly fixes a plurality of slope shape electricity connection plug.
Preferably, the noise detection stage has the same structure and connection manner as the dark current detection stage, and a signal generator for generating a low-frequency signal is fixed on the noise detection stage.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of a first directional structure of a detecting device according to the present utility model;
FIG. 2 is a schematic diagram of a second direction structure of the detecting device of the present utility model;
FIG. 3 is a schematic view of a first directional structure of the cyclical detection track of the present utility model;
FIG. 4 is a schematic view of a second directional structure of the cyclical detection track of the present utility model;
FIG. 5 is a schematic view of the structure of the detector of the present utility model;
FIG. 6 is a schematic view of the construction of the lift actuator of the present utility model;
FIG. 7 is a schematic view of the transport drive of the present utility model;
FIG. 8 is a schematic view of a portion of the overall apparatus of the present utility model;
fig. 9 is a schematic view of the structure of the lamp stand support stand of the present utility model;
FIG. 10 is a schematic diagram of the construction of the arcing electrical detection driver of the present utility model;
FIG. 11 is a schematic view of the structure of the arc light electric detection clamping table of the present utility model;
fig. 12 is a first structural schematic diagram of the noise detection stage of the present utility model;
fig. 13 is a second structural schematic diagram of the noise detection stage of the present utility model;
fig. 14 is a schematic structural view of the dark current detection stage of the present utility model.
In the figure: a circular detection track 2; lifting the actuator 3; a lamp stand support table 4; an arcing electric detection driver 5; an arc light electricity detection clamp 6; a dark current detection stage 7; a noise detection stage 8; a detector 9; lifting the boss 10; a pressure sensor 11; a biaxial servo motor 12; a half wheel jack 13; a damper spring top shaft 14; a transport drive 15; a transport drive biaxial motor 16; a transport driving roller 17; a lifting plate 18; a support stand 19; lifting threads 20; a limit chute 21; a biaxial clamping driving motor 23; a tapered block forward and reverse threaded clamping plate 24; a biaxial clamping driving motor 24, an arc light electric detection driving motor 25; add the insert frame 26 longitudinally; a light source isolation frame 28; a screw thread screw driving motor 29; a limit plug frame 30; the sloping electrical connection plug 31; a signal generator 32.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
In the description of the present application, it should be understood that the terms "middle," "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In addition, unless explicitly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like should be construed broadly, as for example, they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The first embodiment is as follows:
as shown in fig. 1-14, a rapid quality inspection device for photoelectric performance detection of an ultraviolet detector comprises a circular detection track 2, wherein a lifting driver 3 is rotationally arranged in the circular detection track 2, two lamp holder support tables 4 are respectively arranged at two ends of the circular detection track 2 in a lifting manner, a combustion arc light electric detection clamp 6 is arranged between the two lamp holder support tables 4, two combustion arc light electric detection drivers 5 are respectively arranged on the two lamp holder support tables 4 in a longitudinal sliding manner, and a dark current detection table 8 and a noise detection table 7 for dark current test and noise characteristic test are fixed on the circular detection track 2; a plurality of packaged detectors 9 are arranged in the circulating detection track 2 side by side.
The working principle and beneficial effects of the embodiment are as follows: the detector 9 which automatically detects the wave band range of the corresponding efficacy is used for excavating the information of the dynamic operation defects and fault hidden dangers of the bow net, realizing the online detection capability of the bow net and the online alarm function of the bow net defects, filling the gap of the online dynamic detection and monitoring of the bow net and providing powerful support guarantee for the operation of urban rail trains; the method comprises the steps of detecting the arcing intensity, the arcing times and the arcing duration;
based on the calculation principle of the arc rate, the arc rate detection function needs to monitor the arc duration; the arc net arcing detection adopts the detector 9 to monitor the ultraviolet light within the range of 220 nm-329 nm of main arcing radiation in real time, and can measure parameters such as arcing intensity, duration and the like. Based on the calculation principle of the arc rate, the arc rate detection function needs to monitor the arc duration; the detector 9 is based on the photoemission effect of metals and electron propagation theory. An electric field is established between the anode and the photocathode of the sensor upon application of a voltage between the two electrodes. When ultraviolet rays pass through the glass and are irradiated onto the photocathode, a photoelectric emission effect is generated, photoelectrons are emitted from the surface of the photocathode, and the photoelectrons collide with gas molecules around the photocathode at extremely high speed under the action of an electric field, so that positive ions and electrons are ionized. The ionized electrons are accelerated and continue to ionize other gas molecules with great energy, and finally, the electrons are emitted to the anode; the positive ions generated after the ionization of the gas molecules are accelerated under the action of the electric field and collide with the photocathode, so that more electrons are generated. The process is repeated circularly, so that a large current can be rapidly formed between the anode and the photocathode, and discharge can be generated; the ultraviolet arcing detection module consists of a high-sensitivity detector 9 and a signal processing module. When arcing occurs, a large amount of ultraviolet light is released, and when the ultraviolet light is received by the detector 9, a pulse signal is sent to the signal processing module, and the arcing duration and intensity can be obtained after the processing of the signal processing module. The detector 9 manufactured by processing has the following beneficial effects:
1) The measuring precision is high (more than 99%), the response is fast (the response speed is less than 7 us), the anti-interference capability is strong (the insulation voltage is 5 kv), and the overload capability is strong;
2) The ultraviolet radiation in the spectral range of 185 nm-329 nm can be well detected by adopting the military grade detector 9, the detection sensitivity is greater than 5000cps, and the arcing occurring between 1ms can be detected;
3) The detector 9 is resistant to solar interference and has good sensitivity in the range of 7 meters.
The second embodiment is as follows:
as shown in fig. 1-14, a rapid quality inspection device for photoelectric performance detection of an ultraviolet detector comprises a circular detection track 2, a lifting driver 3, a lamp holder supporting table 4, an arc light electric detection driver 5, an arc light electric detection clamp 6, a dark current detection table 7 and a noise detection table 8, wherein the lifting driver 3 is rotatably arranged in the circular detection track 2, two lamp holder supporting tables 4 are respectively arranged at two ends of the circular detection track 2 in a lifting manner, the arc light electric detection clamp 6 is arranged between the two lamp holder supporting tables 4, two arc light electric detection drivers 5 are respectively arranged on the two lamp holder supporting tables 4 in a longitudinal sliding manner, and the dark current detection table 8 and the noise detection table 7 for dark current testing and noise characteristic testing are fixedly arranged on the circular detection track 2.
The working principle and beneficial effects of the embodiment are as follows: the detectors 9 after processing and preparation are stacked on the ring detection track 2 side by side, the detectors 9 are driven to be transported through the transportation driver 15, and the dark current detection table 7, the arc light electric detection driver 5 and the noise detection table 8 are sequentially used for performing dark current testing, arc light electric response characteristic testing and noise characteristic testing, and the detection conditions are combined to perform continuous cyclic detection of different data adjustment, so that the effects of carrying out cyclic arc light electric response characteristic testing, dark current testing and quick quality inspection of noise characteristic testing on ultraviolet detectors in batches are achieved.
And a third specific embodiment:
as shown in fig. 1-14, a rapid quality inspection device for detecting photoelectric performance of an ultraviolet detector is provided, wherein a plurality of packaged detectors 9 are arranged in a circulating detection track 2 side by side; two lifting bosses 10 are symmetrically arranged on the circulating detection track 2; a plurality of pressure sensors 11 are uniformly fixed in the circulating detection track 2; a transport drive 15 for driving the detector 9 is rotatably arranged in the circulation detection track 2; the lifting driver 3 comprises a double-shaft servo motor 12, a plurality of half-wheel lifters 13 and a buffer spring jacking shaft 14, wherein the double-shaft servo motor 12 is fixed on the inner wall of the circulating detection track 2 through a motor base, the plurality of half-wheel lifters 13 are uniformly fixed at two ends of the double-shaft servo motor 12 through transmission shafts, the half-wheel lifters 13 rotate in the circulating detection track 2, and the buffer spring jacking shaft 14 is arranged on a protruding wheel of the half-wheel lifters 13.
The working principle and beneficial effects of the embodiment are as follows: a plurality of pressure sensors 11 are uniformly fixed in the circular detection track 2 and are used for detecting the quality of the prepared and processed detectors 9, so that the weight of all the detectors 9 is controlled within a specified range, and corresponding defective products can be detected at the first time; two lifting bosses 10 are symmetrically arranged on the circulating detection track 2, and the two lifting bosses 10 are used for conveniently testing the electric response characteristics of the arcing light, so that the light source is far away from the dark current detection table 7 and the noise detection table 8 to avoid being influenced; the detector 9 stops after the upper end of the boss 10 is lifted, two ends of the detector 9 are clamped by the arc light electric detection clamp 6, a plurality of half-wheel lifters 13 are driven by the double-shaft servo motor 12 to rotate, the buffer spring jacking shaft 14 is driven to jack the detector 9 and insert the detector into the arc light electric detection driver 5 to detect insertion signals, the brightness of a light source is changed by a neon arc discharge tube with adjustable arc light brightness, which is blocked on the lamp bracket supporting table 4, a certain wavelength range, such as ultraviolet wave band (200-400 nm), is selected by the radiated arc light source and a spectrometer or monochromator, and photocurrent or photovoltage is measured at each wavelength by gradually changing the wavelength; obtaining an arc spectrum response curve; and then the information feedback is transmitted into a frequency converter in the arc light electric detection driver 5 for information collection.
The specific embodiment IV is as follows:
as shown in fig. 1-14, a rapid quality inspection device for photoelectric performance detection of an ultraviolet detector, a transport driver 15, wherein the transport driver 15 comprises a transport driving double-shaft motor 16 and a transport driving roller 17, the transport driving double-shaft motor 16 is fixed on the inner wall of a circulation detection track 2 through a motor seat, and transmission shafts at two ends of the transport driving double-shaft motor 16 drive two transport driving rollers 17 to rotate in the circulation detection track 2;
the working principle and beneficial effects of the embodiment are as follows: two transport driving rollers 17 at two ends are driven to intermittently rotate through a transport driving double-shaft motor 16, all detectors 9 are driven to be driven to circularly drive in the circular detection track 2 side by side at one time, and through circular arrangement, detection data which are continuously adjusted are matched, so that the effects of performing arc light electric response characteristic test, dark current test and noise characteristic test on the detectors 9 in batches are achieved rapidly and accurately.
Fifth embodiment:
as shown in fig. 1-14, a rapid quality inspection device for detecting photoelectric performance of an ultraviolet detector is provided, wherein the lamp holder support table 4 comprises a lifting plate 18, a support table 19, lifting threads 20 and a limiting chute 21, the lifting plate 18 is longitudinally and slidably inserted into the support table 19 through the lifting threads 20, the support table 19 is fixed on a circular detection track 2, an upper limiting support table is fixed between the two lifting plates 18, the upper limiting chute 21 is transversely arranged on the upper limiting support table, and an adjustable light source is arranged between the lower end of the lifting plate 18 and a lifting boss 10.
The working principle and beneficial effects of the embodiment are as follows: through the rotation of lifting screw thread 20, adjust wanting to the position between lifter plate 18 and the brace table 19, and then adjust corresponding height, make the high rising of upper limit brace table, and then make the high of arcing light electric detection driver 5 and arcing light electric detection anchor clamps 6 rise, and then realize adjusting the position illumination height of the spectrometer or the monochromator that adjustable light source changed light source intensity and set up relatively, the cooperation is convenient simultaneously and carries out the matching adjustment to the detector 9 of different specification sizes.
Specific embodiment six:
as shown in fig. 1-14, a rapid quality inspection device for detecting photoelectric performance of an ultraviolet detector is provided, an arc light electric detection driver 5 is provided, the arc light electric detection driver 5 comprises an arc light electric detection driving motor 25 and a longitudinal adding plug frame 26, the arc light electric detection driving motor 25 is fixed on a lifting plate 18 through a motor base, the arc light electric detection driving motor 25 is connected with the longitudinal adding plug frame 26 through a screw thread cylinder in a matched manner, the longitudinal adding plug frame 26 longitudinally slides in the motor base of the arc light electric detection driving motor 25 through a limiting sliding block, and a plurality of electric connection plug blocks are arranged at the lower end of the longitudinal adding plug frame 26.
The working principle and beneficial effects of the embodiment are as follows: the longitudinal adding plug frame 26 is driven by the matching connection of the screw thread cylinder on the arc light electric detection driving motor 25, so that the longitudinal adding plug frame 26 longitudinally slides on the motor base in a limiting manner, further, the longitudinal driving of the longitudinal adding plug frame 26 is realized, a plurality of electric connection plug blocks are arranged at the lower end of the longitudinal adding plug frame 26 and are inserted into the detector 9, and further, the detector 9 is correctly connected to related measuring equipment such as an amplifier, a digital acquisition card or an oscilloscope, and the correct and reliable connection is ensured; the intensity of the arcing light source is gradually changed by using a neon arc discharge tube with adjustable arc brightness, and the light intensity is gradually increased from lower light intensity to the maximum value. Recording the measured current or voltage output at each light intensity level; a spectrometer or monochromator is used to select a range of wavelengths, such as the ultraviolet band (200-400 nm), and photocurrent or photovoltage is measured at each wavelength by varying the wavelength step by step. Obtaining a spectral response curve; according to experimental results, analyzing and processing data such as light current/voltage, spectral response, response time and the like, and drawing a characteristic curve, a frequency response curve and the like; and then realize carrying out the effect that fires arc electric effect detected to the detector 9 of batch, through the detection of different data under the circulation state simultaneously, the detector 9 of screening out to accord with carries out the arc rate and detects the function and need to monitor the duration of arcing.
Seventh embodiment:
as shown in fig. 1-14, a rapid quality inspection device for detecting photoelectric performance of an ultraviolet detector is provided, an arc light electric detection fixture 6 is provided, the arc light electric detection fixture 6 comprises a double-shaft clamping driving motor 23 and a conical block positive and negative thread clamping plate 24, the double-shaft clamping driving motor 23 is fixed on an upper limit supporting table of a lamp bracket supporting table 4 through a motor seat, and the double-shaft clamping driving motor 23 drives a plurality of conical block positive and negative thread clamping plates 24 to transversely slide in a limit chute 21 in a limited manner through positive and negative thread intervals.
The working principle and beneficial effects of the embodiment are as follows: the double-shaft clamping driving motor 23 is used for driving the symmetrical cone block positive and negative threaded clamping plates 24 to clamp through corresponding positive and negative threaded matching, the cone block positive and negative threaded clamping plates 24 transversely and limitedly slide in the limiting sliding grooves 21 to realize limited and stable driving clamping, the symmetrical cone block positive and negative threaded clamping plates 24 clamp the detector 9 moving to the lifting boss 10, and the stable plug-in connection of a plurality of electric connection plug-in blocks on the plug-in frame 26 is realized through the jacking of the buffer spring jacking shaft 14 and the stable plug-in connection of the electric connection plug-in blocks on the longitudinal addition plug-in frame 26, so that the stable arc light electric response characteristic test of the high place closely contacted with the light source is facilitated; after the test is finished, the semi-wheel jack 13 is driven to move by the rotating double-shaft servo motor 12 to finish the detection, and the detection of different data can be performed in batches rapidly through the reciprocating cycle.
Eighth embodiment:
as shown in fig. 1-14, a fast quality inspection device for detecting photoelectric performance of an ultraviolet detector is provided, wherein a dark current detection platform 8 comprises a light source isolation frame 28, a threaded screw driving motor 29, a limiting plug frame 30 and a slope-shaped electric connection plug block 31, wherein the light source isolation frame 28 is fixed on a circulating detection track 2, the threaded screw driving motor 29 is fixed at the upper end of the light source isolation frame 28 through a motor base, the threaded screw driving motor 29 drives the limiting plug frame 30 through threaded fit to longitudinally plug on the light source isolation frame 28, and a plurality of slope-shaped electric connection plug blocks 31 are uniformly fixed at the lower end of the limiting plug frame 30.
The working principle and beneficial effects of the embodiment are as follows: the side end of the light source isolation frame 28 is blocked by a flexible material, black color is convenient for light source isolation, and the limit plug frame 30 and the slope-shaped electric connection plug block 31 are driven by the screw thread screw cylinder driving motor 29 to be longitudinally plugged on the light source isolation frame 28, so that the slope-shaped electric connection plug block 31 is inserted into the detector 9 which is stopped and enters the light source isolation frame 28; ensuring a quiet test environment and eliminating interference sources such as external light rays, electromagnetic radiation and the like, connecting the detector 9 with a test circuit through a slope-shaped electric connection plug 31, ensuring the connection to be correct and reliable, and paying attention to additional noise sources possibly introduced into the circuit; ensuring that no external light source impinges on the detector. A light shield or black material can be used to completely shield the detector; the length of time for which the dark current test is performed is determined as needed. An appropriate time window is typically selected to record dark current; the dark current generated by the detector is measured using suitable test equipment, such as a measuring instrument, a digital ammeter, etc. The sensitivity and the precision of the measuring equipment can meet the test requirement; the measured dark current values were recorded and the data analyzed. Indexes such as average dark current, noise characteristics and the like can be calculated to evaluate the dark current level and stability of the detector 9; based on the test data, it is evaluated whether the dark current level of the detector 9 meets the requirements. Determining the quality and reliability of the detector by comparing with a specified specification or standard; and further, the data of the rapid detection of the batch detector 9 are screened and eliminated.
Detailed description nine:
as shown in fig. 1-14, a rapid quality inspection device for inspecting photoelectric performance of an ultraviolet detector, a noise inspection table 7, the structure and connection manner of the noise inspection table 7 are the same as those of a dark current inspection table 8, and a signal generator 32 for generating a low-frequency signal is fixed on the noise inspection table 7.
The working principle and beneficial effects of the embodiment are as follows: the noise detection stage 7 has the same structure and connection as the dark current detection stage 8; the detector 9 is correctly connected to related measuring equipment such as an amplifier, a digital acquisition card or an oscilloscope and the like through a slope-shaped electric connection plug 31; ensuring the connection to be correct and reliable; turning off any light sources, recording a baseline current or voltage at zero light conditions, which is representative of detector noise levels; a signal generator is used to generate a low frequency noise signal (e.g., in the range of 1Hz to 10 kHz) that is passed through an amplifier to an ultraviolet detector. Measuring a noise spectral density of the output signal using a spectrum analyzer or a noise analyzer; and carrying out power spectrum analysis on the output signal to obtain a noise power spectrum. Noise characteristics at different frequencies, such as white noise, 1/f noise, etc., can be determined by noise power spectrum analysis; the amplifier gain and the measured noise spectral density are used to calculate the noise equivalent temperature. Noise equivalent temperature is a common parameter used to characterize the noise performance of the detector; according to the test result, analyzing data such as noise power spectrum, noise equivalent temperature and the like, and evaluating the noise characteristic of the ultraviolet detector 9; and further, screening and elimination of data combined with rapid detection of the noise characteristic test of the batch detector 9 are realized.
The above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, as variations, modifications, additions or substitutions within the spirit and scope of the utility model as disclosed in the accompanying claims.
Claims (10)
1. A quick quality inspection device for ultraviolet detector photoelectric property detects, a serial communication port, including circulation detection track (2), circulation detection track (2) rotation is provided with lifts driver (3), the both ends of circulation detection track (2) are gone up and down respectively and are provided with two lighting fixture supporting tables (4), be provided with between two lighting fixture supporting tables (4) and fire arc light electricity detection anchor clamps (6), vertically slip respectively on two lighting fixture supporting tables (4) is provided with two and fires arc light electricity detection driver (5), be fixed with dark current detection platform (8) and noise detection platform (7) that are used for dark current test and noise characteristic test on circulation detection track (2).
2. The rapid quality inspection device for detecting photoelectric properties of an ultraviolet detector according to claim 1, wherein: a plurality of packaged detectors (9) are arranged in the circulating detection track (2) side by side.
3. The rapid quality inspection device for detecting photoelectric properties of an ultraviolet detector according to claim 1, wherein: two lifting bosses (10) are symmetrically arranged on the circulating detection track (2); a plurality of pressure sensors (11) are uniformly fixed in the circulating detection track (2); the circulation detection track (2) is rotatably provided with a transport drive (15) for driving the detector (9).
4. The rapid quality inspection device for detecting photoelectric properties of an ultraviolet detector according to claim 1, wherein: the lifting driver (3) comprises a double-shaft servo motor (12), a plurality of half-wheel lifters (13) and a buffer spring jacking shaft (14), wherein the double-shaft servo motor (12) is fixed on the inner wall of the circulating detection track (2) through a motor seat, the plurality of half-wheel lifters (13) are uniformly fixed at two ends of the double-shaft servo motor (12) through transmission shafts, the half-wheel lifters (13) rotate in the circulating detection track (2), and the buffer spring jacking shaft (14) is arranged on a protruding wheel of the half-wheel lifters (13).
5. A rapid quality inspection device for detecting photoelectric properties of an ultraviolet detector according to claim 3, wherein: the conveying driver (15) comprises a conveying driving double-shaft motor (16) and conveying driving rollers (17), the conveying driving double-shaft motor (16) is fixed on the inner wall of the circulating detection track (2) through a motor seat, and transmission shafts at two ends of the conveying driving double-shaft motor (16) drive the two conveying driving rollers (17) to rotate in the circulating detection track (2).
6. The rapid quality inspection device for detecting photoelectric properties of an ultraviolet detector according to claim 1, wherein: the lamp bracket supporting table (4) comprises lifting plates (18), supporting tables (19), lifting threads (20) and limiting sliding grooves (21), wherein the lifting plates (18) are longitudinally and slidably inserted into the supporting tables (19) through the lifting threads (20), the supporting tables (19) are fixed on the circulating detection track (2), an upper limiting supporting table is fixed between the two lifting plates (18), and the upper limiting sliding grooves (21) are transversely formed in the upper limiting supporting table; a neon arc discharge tube capable of adjusting the brightness of the arc is arranged between the lower end of the lifting plate (18) and the lifting boss (10).
7. The rapid quality inspection device for detecting photoelectric properties of an ultraviolet detector according to claim 1, wherein: the arc light electric detection driver (5) comprises an arc light electric detection driving motor (25) and a longitudinal adding inserting frame (26), wherein the arc light electric detection driving motor (25) is fixed on the lifting plate (18) through a motor base, the arc light electric detection driving motor (25) is connected with the longitudinal adding inserting frame (26) through a screw thread cylinder in a matched mode, the longitudinal adding inserting frame (26) longitudinally slides in the motor base of the arc light electric detection driving motor (25) through a limit sliding block, and a plurality of electric connection inserting blocks are arranged at the lower end of the longitudinal adding inserting frame (26).
8. The rapid quality inspection device for detecting photoelectric properties of an ultraviolet detector according to claim 1, wherein: the arc light electricity detection clamp (6) comprises a double-shaft clamping driving motor (23) and a conical block positive and negative thread clamping plate (24), wherein the double-shaft clamping driving motor (23) is fixed on an upper limit supporting table of a lamp bracket supporting table (4) through a motor seat, and the double-shaft clamping driving motor (23) drives a plurality of conical block positive and negative thread clamping plates (24) to transversely limit and slide in a limit sliding groove (21) through positive and negative thread intervals.
9. The rapid quality inspection device for detecting photoelectric properties of an ultraviolet detector according to claim 1, wherein: dark current detection platform (8) include isolated frame of light source (28), screw thread spiral shell section of thick bamboo driving motor (29), spacing cartridge (30) and slope electricity are connected cartridge (31), isolated frame of light source (28) are fixed on circulation detection track (2), screw thread spiral shell section of thick bamboo driving motor (29) are fixed in the upper end of isolated frame of light source (28) through the motor cabinet, screw thread spiral shell section of thick bamboo driving motor (29) are vertically pegged graft on isolated frame of light source (28) through screw thread cooperation drive spacing cartridge (30), the lower extreme of spacing cartridge (30) evenly fixes a plurality of slope electricity and connects cartridge (31).
10. The rapid quality inspection device for detecting photoelectric properties of an ultraviolet detector according to claim 9, wherein: the noise detection table (7) has the same structure and connection mode as the dark current detection table (8), and a signal generator (32) for generating a low-frequency signal is fixed on the noise detection table (7).
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| CN116952538A (en) | 2023-10-27 |
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