CN111862752B - Tester for photoelectric effect experiment and test method thereof - Google Patents
Tester for photoelectric effect experiment and test method thereof Download PDFInfo
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- CN111862752B CN111862752B CN202010741657.9A CN202010741657A CN111862752B CN 111862752 B CN111862752 B CN 111862752B CN 202010741657 A CN202010741657 A CN 202010741657A CN 111862752 B CN111862752 B CN 111862752B
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- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
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Abstract
The invention discloses a tester for photoelectric effect experiments and a testing method thereof, belonging to the field of experimental instruments. The tester comprises a light source emitter, a fixed frame, a photoelectric tube and a multipurpose electric meter, wherein a light inlet mechanism, an impurity removing mechanism and a light outlet mechanism are sequentially arranged on the fixed frame; the fixed frame is provided with a guide rail along the length extending direction, and the light emitting mechanism is movably matched and arranged on the guide rail. Aiming at the problem that the photoelectric effect tester in the prior art is difficult to effectively remove the stray light doped in the monochromatic light and is easy to cause experimental result errors, the provided tester can effectively remove the stray light, is convenient to replace and focus the lens group and is more convenient to use.
Description
Technical Field
The invention relates to the technical field of experimental instruments, in particular to a tester for photoelectric effect experiments and a testing method thereof.
Background
In college physics experiment learning process, the photoelectric effect experiment is a very important experiment, need a tester that is used for the photoelectric effect experiment when accomplishing the photoelectric effect experiment, there are some problems in the tester that is used for the photoelectric effect experiment now, at first, the tester that is used for the photoelectric effect experiment now effectively gets rid of because of can't carrying out the miscellaneous light of doping in monochromatic light inside, easily lead to the error of experimental result, secondly, when the tester that is used for the photoelectric effect experiment now carries out photoelectric effect verification to the monochromatic light of multiple frequency, need change and the focusing to the battery of lenses, the process is slower, to these problems, need further optimal design to the photoelectric effect tester urgently.
Through retrieval, a large number of patents are disclosed for the design optimization of the photoelectric effect tester at present, and the Chinese patent application number is as follows: 2019208892005, the name of invention creation is: the utility model provides a novel photoelectric effect experiment appearance, this application includes the camera bellows, open at the top of camera bellows has light inlet, and light inlet's internally mounted has a connecting cylinder, the one end of connecting cylinder is provided with the light source post, open one side of camera bellows has the mounting hole, and the inside fixed mounting of mounting hole has a fixed cylinder, the inside of fixed cylinder is pegged graft and is had the axis of rotation, the one end of axis of rotation is provided with the handle, one side of handle is provided with the pointer, one side of camera bellows is pasted and is had the labeling, the outer wall of axis of rotation is provided with the support, and the support is located the inside of camera bellows. This application is convenient for the staff and adjusts the below that different photoelectric tubes are located light, can test the experiment that light shines on different photoelectric tubes, reduces the time of the different photoelectric tubes of change of staff, improves the variety of photoelectric effect experiment, can directly know the contained angle of semicircle piece at the connecting cylinder internal rotation, and the staff of being convenient for demonstrates the influence of luminous flux to the photoelectric effect.
Also as in chinese patent application No.: 2016108738770, the name of invention creation is: the utility model provides an open photoelectric effect experiment appearance and operation method, this application includes the LED light source, the filter of the different colours of polylith, the light ring, convex lens, concave lens, sample platform and photoelectric tube, the LED light source is installed on sealed housing left side wall, the casing middle part is provided with the barn door, the barn door is provided with the light trap just to the LED light source, polylith light filter is installed on the carousel and guarantees that every light filter can adjust the light trap well after the carousel rotates, the carousel rotatably is installed on the barn door right side, the light ring, convex lens and concave lens are installed on the sleeve and guarantee that the center just to the light trap from a left side to the right side in proper order, the sleeve right-hand member is connected on sample chamber lateral wall, install the sample platform in the sample cavity, the photoelectric tube is installed on sample platform right side. The light energy of the application has small spatial distribution difference and good linear relation. In summary, various optimization designs have been proposed for the photoelectric effect tester, but there is still no effective solution to the above-mentioned problems.
Disclosure of Invention
1. Technical problem to be solved by the invention
Aiming at the problems that the photoelectric effect tester in the prior art is difficult to effectively remove the stray light doped in the monochromatic light and is easy to cause experimental result errors, the invention provides the tester for the photoelectric effect test and the testing method thereof, the tester can effectively remove the stray light, and the lens group is convenient to replace and focus, so that the use is more convenient; the test method solves the problem of difficult focusing and is convenient for verifying the photoelectric effect of the monochromatic light with various frequencies.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention discloses a tester for photoelectric effect experiments, which comprises a light source emitter, a fixed frame, a photoelectric tube and a multipurpose ammeter, wherein a light inlet mechanism, an impurity removing mechanism and a light outlet mechanism are sequentially arranged on the fixed frame; the fixed frame is provided with a guide rail along the length extending direction, and the light emitting mechanism is movably matched and arranged on the guide rail.
Furthermore, the input end of the light inlet mechanism is connected with the light source emitter through a connecting optical fiber.
Furthermore, both sides of the upper surface of the fixing frame are provided with limiting grooves along the length direction, guide rails are arranged in the limiting grooves, and thread grooves are formed in the surfaces of the guide rails; the both sides of light-emitting mechanism correspond respectively and are provided with the fixed block, and the fixed block bottom is equipped with establishes the complex movable sleeve ring with the guide rail cover, still is equipped with the fixed slot in the fixed block, installs the gear with thread groove engaged with in this fixed slot, and the gear passes through the bull stick drive rotation operation at middle part.
Furthermore, the impurity removing light mechanism comprises a fixing plate, a first light transmission pipe is arranged in the middle of the fixing plate, a light transmission groove is formed in the middle of the first light transmission pipe along the length direction, the input end of the first light transmission pipe is connected with the connecting optical fiber, and the output end of the first light transmission pipe is movably sleeved with the light emitting mechanism; a light splitting grating and a lens are respectively installed at two ends of the interior of the light transmission groove, the output end of the light splitting grating is connected with the lens through a light path, the light splitting grating is arranged at one end close to the light source transmitter, and the lens is arranged at one end close to the light emitting mechanism.
Furthermore, a light screen is arranged at the end part of the light transmission groove behind the first lens, the output end of the first lens is connected with the light screen through a light path, a light hole is formed in the middle of the light screen, and a carbon nano coating is arranged on the inner wall of the pipeline between the first lens and the light screen of the first light transmission pipe.
Furthermore, the edulcoration mechanism is still including the supporting component who is used for installing the fixed plate, and the supporting component is including locating the bracing piece of fixed plate both sides, and the outside of bracing piece is installed on the guide rail through the fixed lantern ring to fix edulcoration mechanism level on the guide rail, the bracing piece top is passed through the connecting plate and is connected, and the top of fixed plate is provided with the connecting rod, and the connecting rod upwards extends the connecting plate and fastens through the nut.
Furthermore, a second light transmission tube is arranged inside the light emitting mechanism, a light transmission channel is arranged inside the second light transmission tube, the output end of the light transmission channel is connected with the photoelectric tube, and the light transmission channel is connected with the first light transmission tube in a sliding fit manner; a second lens is arranged in the light transmission channel.
Furthermore, two sides of the outer wall of the first light transmission tube are respectively provided with a slide rail along the length direction, two sides of the inner wall of the light transmission channel of the second light transmission tube are correspondingly provided with a slide groove matched with the slide rail, and the inner wall of the light transmission channel is also provided with a light absorption film.
Furthermore, a knob is arranged on the outer wall surface of the fixing block, a rotating rod is mounted at the end of the knob, the rotating rod extends into the fixing block, and the output end of the rotating rod is connected with the gear.
The invention relates to a test method of a tester for photoelectric effect experiments, which comprises the following steps:
s1, optical path connection: the output end of the light source emitter is connected with the light inlet mechanism through a connecting optical fiber, the output end of the connecting optical fiber is connected with the first light transmission tube, a slide rail on the outer wall surface of the first light transmission tube is connected with the light outlet mechanism in a sliding manner, the output end of the light outlet mechanism is connected with the light path of the photoelectric tube, and the output end of the photoelectric tube is connected with the multipurpose electricity meter;
s2, turning on the light source emitter and adjusting the frequency of output monochromatic light, wherein the monochromatic light enters the light inlet mechanism through the connecting optical fiber, the light inlet mechanism inputs the monochromatic light to the impurity removing mechanism for impurity removing light treatment, the light splitting grating separates the stray light from the light with specific frequency, and the first lens further separates the stray light from the light with specific frequency and converges the light with specific frequency at one point;
s3, sliding of the light emitting mechanism along the guide rail is adjusted by observing the number of the multipurpose electric meter, when the number of the multipurpose electric meter is maximum, the sliding is stopped, and focusing of the first lens and the second lens is completed; and adjusting and controlling the light intensity of the monochromatic light, observing and recording the reading change of the multipurpose electric meter, and completing the experiment.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) according to the tester for the photoelectric effect experiment, the impurity removal mechanism and the light emitting mechanism are matched for use, the lens group and the light splitting grating can be used for removing impurities and purifying a light source emitted by the light source emitter and removing and absorbing impurity light doped in monochromatic light, so that errors of experiment results caused by the fact that the monochromatic light is not strict are avoided as much as possible, and the reliability of the tester is improved.
(2) According to the test method of the tester for the photoelectric effect test, the focusing of the lens group is completed by rotating the knob and observing the multipurpose ammeter, the problem of difficulty in focusing is solved, the photoelectric effect test of monochromatic light with various frequencies is facilitated, and the operation is simple and convenient when the lens group is replaced, and the tester has certain universality.
Drawings
FIG. 1 is a schematic structural diagram of a tester for photoelectric effect experiments according to the present invention;
FIG. 2 is a schematic structural view of the fixing frame of the present invention;
FIG. 3 is a schematic structural diagram of a light removal mechanism according to the present invention;
FIG. 4 is a schematic structural diagram of a light emitting mechanism according to the present invention;
FIG. 5 is a schematic diagram of the optical path of the impurity removing mechanism according to the present invention;
FIG. 6 is a schematic diagram of the light path of the light-emitting mechanism according to the present invention;
FIG. 7 is a schematic cross-sectional view of the fixing block of the present invention
The reference numerals in the schematic drawings illustrate:
100. an operation table; 200. a light source emitter; 300. a multipurpose electricity meter; 400. a fixed mount; 500. a photoelectric tube; 600. a light feeding mechanism; 700. a matte removing mechanism; 800. a light emitting mechanism;
101. a storage tank; 201. a display screen; 202. an adjustment button;
401. a recording plate; 402. a limiting groove; 403. a guide rail; 404. a thread groove; 601. connecting an optical fiber;
701. a fixed collar; 702. a support bar; 703. a connecting plate; 704. a nut; 705. a connecting rod; 706. a fixing plate; 707. a first light transmission tube; 708. a light transmission groove; 709. a slide rail; 710. a light splitting grating; 711. a first lens; 712. a visor; 713. a light hole; 714. a carbon nanocoating;
801. a second light transmission pipe; 802. a light transmission channel; 803. a chute; 804. a second lens; 805. a fixed block; 806. a knob; 807. a movable collar; 809. fixing grooves; 810. a rotating rod; 811. a gear.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present invention will be further described with reference to the following examples.
Example 1
As shown in fig. 1 to 7, the tester for photoelectric effect experiments of this embodiment includes a light source emitter 200, a fixing frame 400, a photoelectric tube 500, and a multipurpose electric meter 300, wherein a light inlet mechanism 600, an impurity removing mechanism 700, and a light outlet mechanism 800 are sequentially disposed on the fixing frame 400, an input end of the light inlet mechanism 600 is optically connected to the light source emitter 200, specifically, an input end of the light inlet mechanism 600 is connected to the light source emitter 200 through a connecting optical fiber 601 to reduce light loss during transmission; the output end of the light inlet mechanism 600 is connected with the optical path of the impurity removing light mechanism 700, the output end of the impurity removing light mechanism 700 is connected with the optical path of the light outlet mechanism 800, the output end of the light outlet mechanism 800 is connected with the optical path of the photoelectric tube 500, and the electrical output end of the photoelectric tube 500 is connected with the multipurpose electricity meter 300; the fixing frame 400 is provided with a guide rail 403 along the length extending direction, and the light emitting mechanism 800 is movably arranged on the guide rail 403 in a matching manner.
Specifically, as shown in fig. 1, the present embodiment further includes an operation table 100, the fixing frame 400 is disposed on the operation table 100, and a storage slot 101 is further disposed inside the operation table 100. The outer surface of the light source emitter 200 is further provided with a display screen 201 and an adjusting button 202, the display screen 201 is used for displaying frequency information of the light source, and the adjusting button 202 is used for adjusting the output frequency of the light source. The light source emitter 200 may be any of a variety of light source emitters conventional in the industry and will not be described in detail herein.
In this embodiment, a recording board 401 is further installed on a side surface of the fixing frame 400, and is used for recording experimental data during an experiment; both sides of the upper surface of the fixing frame 400 are provided with a limiting groove 402 along the length direction, a guide rail 403 is arranged in the limiting groove 402, and the surface of the guide rail 403 is provided with a thread groove 404; two sides of the light emitting mechanism 800 are respectively and correspondingly provided with a fixed block 805, the bottom of the fixed block 805 is provided with a movable sleeve ring 807 which is matched with the guide rail 403 in a sleeved mode, a fixed groove 809 is further arranged in the fixed block 805, a gear 811 which is meshed with the thread groove 404 is installed in the fixed groove 809, and the gear 811 is driven to rotate through a rotating rod 810 in the middle of the gear 811. As shown in fig. 7, a knob 806 is disposed on an outer wall surface of the fixing block 805, a rotating rod 810 is mounted at an end of the knob 806, the rotating rod 810 extends into the fixing block 805 and is rotatably connected and matched with an inner end of the fixing block 805, and an output end of the rotating rod 810 is connected with the gear 811. Through the cooperation of fixed block 805 and thread groove 404 for knob 806 can drive the slip of light-emitting mechanism 800 on guide rail 403 to accomplish the quick focusing to the lens group, adapt to the light of different frequencies, and through the refraction effect of lens group, in order to accomplish the purification edulcoration to the input monochromatic light, can satisfy different frequency light and carry out the photoelectric effect experiment. Similarly, as shown in fig. 2, two sections of thread grooves 404 may be disposed on the guide rail 403, and the light feed mechanism 600 may be disposed on the guide rail 403 in a sliding fit manner by using the same connection manner.
In this embodiment, as shown in fig. 3, the impurity removing mechanism 700 includes a fixing plate 706, the fixing plate 706 is horizontally disposed on the fixing frame 400, a first light transmission pipe 707 is installed in the middle of the fixing plate 706, a light transmission groove 708 is formed in the middle of the first light transmission pipe 707 along the length direction, the input end of the first light transmission pipe 707 is connected to the connection optical fiber 601, and the output end of the first light transmission pipe 707 is movably sleeved with the light output mechanism 800; the two ends in the light input groove 708 are respectively provided with a light splitting grating 710 and a first lens 711, the output end of the light splitting grating 710 is connected with the first lens 711 through a light path, the light splitting grating 710 is arranged at one end close to the light source emitter 200, and the first lens 711 is arranged at one end close to the light output mechanism 800. The light splitting grating 710 is used for splitting the doped parallel light emitted by the light source emitter 200 to separate stray light from light with a specific frequency; the first lens 711 is used for further separating stray light from light rays with a specific frequency and converging the light rays with the specific frequency at one point.
In this embodiment, a light shielding plate 712 is further disposed at the end of the light transmission groove 708 at the rear of the first lens 711, the output end of the first lens 711 is connected to the light shielding plate 712 through a light path, a light hole 713 is formed in the middle of the light shielding plate 712, and a carbon nano-coating 714 is mounted on the inner wall of the first light transmission pipe 707 between the first lens 711 and the light shielding plate 712. The light hole 713 is used for passing light rays converged at one point, the light shielding plate 712 is used for preventing stray light from entering the light emitting mechanism 800 through the stray light mechanism 700, and the carbon nano coating 714 is used for absorbing light rays refracted on the inner wall of the pipeline so as to prevent interference on the first lens 711. The output end of the light hole 713 is optically connected to the light exit mechanism 800.
As shown in fig. 4, in the present embodiment, a second light transmission tube 801 is disposed inside the light emitting mechanism 800, a light transmission channel 802 is disposed inside the second light transmission tube 801, an output end of the light transmission channel 802 is connected to the photoelectric tube 500, and the light transmission channel 802 is connected to the first light transmission tube 707 in a sliding fit manner; a second lens 804 is installed in the light transmission channel 802. Specifically, two sides of the outer wall of the first light transmission pipe 707 are respectively provided with a sliding rail 709 along the length direction, two sides of the inner wall of the light transmission channel 802 of the second light transmission pipe 801 are correspondingly provided with sliding grooves 803 matched with the sliding rails 709, and the sliding matching of the light emitting mechanism 800 is realized through the matching of the sliding grooves 803 and the sliding rails 709; the inner wall of the light transmission channel 802 is also provided with a light absorption film, and the light absorption film is used for carrying out secondary absorption on the stray light passing through the light hole 713 so as to further purify the monochromatic light.
The light outlet mechanism 800 in this embodiment is slidably fitted, the focal length of the lenses can be adjusted according to the needs of the lens group, the distance between the optical centers of the first lens 711 and the second lens 804 is the sum of the focal lengths of monochromatic light to be collected to the first lens 711 and the second lens 804, the light hole 713 penetrates from the side of the light shielding plate 712 facing the first lens 711 to the side of the light shielding plate 712 facing the second lens 804, the center of the light hole 713 is at the same height as the optical center of the lens group, the center of the light hole 713 is also coincident with the focal length of the second lens 804, so that the light collected from the light inlet mechanism 600 is emitted to the first lens 711 to generate refracted light, the refracted light is emitted to the second lens 804 through the light hole 713, the same convex lens can be used for the first lens 711, the cylindrical through hole can be used for the light hole 713, and the height of the light shielding plate 712 is equal to the height of the second lens 804.
Example 2
The tester for photoelectric effect experiment of this embodiment, basically the same as embodiment 1, further, in this embodiment, impurity removing mechanism 700 still includes the supporting component who is used for installing fixed plate 706, and the supporting component is including locating the bracing piece 702 of fixed plate 706 both sides, and the outside of bracing piece 702 is through fixed lantern ring 701 fixed mounting on guide rail 403 to with impurity removing mechanism 700 level fixed on guide rail 403, prevent that impurity removing mechanism 700 slope from leading to the experiment failure in the experimentation. The top of the support rods 702 are connected by a connecting plate 703, and the top of the fixing plate 706 is provided with a connecting rod 705, and the connecting rod 705 extends upwards through the connecting plate 703 and is fastened by a nut 704. The mounting fit of the nut 704 facilitates the quick replacement of the lens set to meet the requirement of light convergence of different frequencies.
The tester of this embodiment uses through edulcoration light mechanism 700 and light-emitting mechanism 800 cooperation, and lens group and beam split grating 710 can carry out the edulcoration purification to the light source that light source emitter 200 launches, get rid of the absorption at the inside miscellaneous light of monochromatic light of doping to avoid as far as possible because of the error of monochromatic light stricter and lead to the experimental result inadequately, increased the reliability of tester.
The testing method of the tester of the embodiment is carried out according to the following steps:
s1, optical path connection: the output end of the light source emitter 200 is connected with the light inlet mechanism 600 through the connecting optical fiber 601, the output end of the connecting optical fiber 601 is connected with the first light transmission tube 707, the slide rail 709 on the outer wall surface of the first light transmission tube 707 is connected with the light outlet mechanism 800 in a sliding manner, the output end of the light outlet mechanism 800 is connected with the light path of the photoelectric tube 500, and the output end of the photoelectric tube 500 is connected with the multipurpose electricity meter 300;
s2, the light source emitter 200 is turned on, the frequency of output monochromatic light is adjusted through the adjusting button 202 and the display screen 201, the monochromatic light enters the light inlet mechanism 600 through the connecting optical fiber 601, the light inlet mechanism 600 inputs the monochromatic light to the impurity removing mechanism 700 for impurity removing treatment, the light splitting grating 710 separates doped parallel light rays generated by the light source emitter 200 from light rays with specific frequency, and the first lens 711 further separates the impurity light rays from the light rays with specific frequency and converges the light rays with specific frequency at one point; the light shielding plate 712 prevents stray light from entering the light emitting mechanism 800, and the carbon nano coating 714 absorbs light refracted on the inner wall of the pipeline;
s3, adjusting the light emitting mechanism 800 to slide along the guide rail 403 by observing the indication number of the multipurpose electric meter 300, specifically, controlling the light emitting mechanism 800 to slide along the guide rail 403 by rotating a knob 806, stopping sliding when the indication number of the multipurpose electric meter 300 is maximum, finishing focusing of the first lens 711 and the second lens 804 at the moment, wherein the distance between the optical centers of the first lens 711 and the second lens 804 is the sum of the focal lengths of monochromatic light to be collected towards the first lens 711 and the second lens 804, penetrating the light hole 713 from the side, facing the first lens 711, of the light shielding plate 712 to the side, facing the second lens 804, of the light shielding plate 712, the center of the light hole 713 and the optical center of the lens group are at the same height, the center of the light hole 713 is also overlapped with the focal length of the second lens 804, so that the refracted light generated by the light collected from the light entering mechanism 600 towards the first lens 711 passes through the light hole 713 and then emits towards the second lens 804, adjusting and controlling the light intensity of the monochromatic light, and the change of the indication of the multi-purpose electric meter 300 is observed and recorded, and the experiment is completed.
According to the test method of the tester, the focusing of the lens group is completed in a mode of rotating the knob 806 and observing the multipurpose electric meter 300, the problem of difficulty in focusing is solved, the photoelectric effect of monochromatic light with various frequencies is conveniently verified, and when the lens group is replaced, the test method is simple and convenient to operate and has certain universality.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (9)
1. The utility model provides a tester for photoelectric effect experiment which characterized in that: the multifunctional electric meter comprises a light source emitter (200), a fixing frame (400), a photoelectric tube (500) and a multifunctional electric meter (300), wherein a light inlet mechanism (600), an impurity removing mechanism (700) and a light outlet mechanism (800) are sequentially arranged on the fixing frame (400), the input end of the light inlet mechanism (600) is connected with a light path of the light source emitter (200), the output end of the light inlet mechanism (600) is connected with a light path of the impurity removing mechanism (700), the output end of the impurity removing mechanism (700) is connected with a light path of the light outlet mechanism (800), the output end of the light outlet mechanism (800) is connected with a light path of the photoelectric tube (500), and the electric output end of the photoelectric tube (500) is connected with the multifunctional electric meter (300); a guide rail (403) is arranged on the fixed frame (400) along the length extension direction, and the light emitting mechanism (800) is movably arranged on the guide rail (403) in a matching manner; the impurity removing light mechanism (700) comprises a fixing plate (706), a first light transmission tube (707) is installed in the middle of the fixing plate (706), a light transmission groove (708) is formed in the middle of the first light transmission tube (707) along the length direction, the input end of the first light transmission tube (707) is connected with the connecting optical fiber (601), and the output end of the first light transmission tube (707) is movably sleeved with the light outlet mechanism (800); a light splitting grating (710) and a lens (711) are respectively installed at two ends in the light output groove (708), the output end of the light splitting grating (710) is connected with the lens (711) through a light path, the light splitting grating (710) is arranged at one end close to the light source emitter (200), and the lens (711) is arranged at one end close to the light emitting mechanism (800).
2. The tester for photoelectric effect experiment according to claim 1, wherein: the input end of the light inlet mechanism (600) is connected with the light source emitter (200) through a connecting optical fiber (601).
3. The tester for photoelectric effect experiment according to claim 1, wherein: both sides of the upper surface of the fixing frame (400) are provided with limiting grooves (402) along the length direction, guide rails (403) are installed in the limiting grooves (402), and thread grooves (404) are formed in the surfaces of the guide rails (403); the two sides of the light emitting mechanism (800) are respectively and correspondingly provided with a fixed block (805), the bottom of the fixed block (805) is provided with a movable sleeve ring (807) which is sleeved with the guide rail (403) and matched with the guide rail, a fixed groove (809) is further arranged in the fixed block (805), a gear (811) which is meshed with the thread groove (404) is installed in the fixed groove (809), and the gear (811) is driven to rotate through a rotating rod (810) in the middle of the gear (811).
4. The tester for photoelectric effect experiment according to claim 1, wherein: the end of the light transmission groove (708) is provided with a light shielding plate (712) at the rear position of the first lens (711), the output end of the first lens (711) is connected with the light shielding plate (712) through a light path, the middle part of the light shielding plate (712) is provided with a light hole (713), and the first light transmission pipe (707) is positioned on the inner wall of the pipeline between the first lens (711) and the light shielding plate (712) and is provided with a carbon nano coating (714).
5. The tester for photoelectric effect experiment according to claim 1, wherein: impurity removing light mechanism (700) still includes the supporting component who is used for installing fixed plate (706), the supporting component is including locating bracing piece (702) of fixed plate (706) both sides, the outside of bracing piece (702) is installed on guide rail (403) through fixed lantern ring (701), thereby will remove the level of light mechanism (700) and fix on guide rail (403), bracing piece (702) top is connected through connecting plate (703), the top of fixed plate (706) is provided with connecting rod (705), connecting rod (705) upwards extend through connecting plate (703) and fasten through nut (704).
6. The tester for photoelectric effect experiment according to claim 1, wherein: a second light transmission tube (801) is arranged inside the light emitting mechanism (800), a light transmission channel (802) is arranged inside the second light transmission tube (801), the output end of the light transmission channel (802) is connected with the photoelectric tube (500), and the light transmission channel (802) is connected with the first light transmission tube (707) in a sliding fit manner; a second lens (804) is arranged in the light transmission channel (802).
7. The tester for photoelectric effect experiment of claim 6, wherein: the two sides of the outer wall of the first light transmission pipe (707) are respectively provided with a slide rail (709) along the length direction, the two sides of the inner wall of the light transmission channel (802) of the second light transmission pipe (801) are correspondingly provided with a slide groove (803) matched with the slide rail (709), and the inner wall of the light transmission channel (802) is also provided with a light absorption film.
8. The tester for photoelectric effect experiment according to claim 3, wherein: the outer wall surface of the fixing block (805) is provided with a knob (806), the end part of the knob (806) is provided with a rotating rod (810), the rotating rod (810) extends into the fixing block (805), and the output end of the rotating rod (810) is connected with a gear (811).
9. A test method of a tester for photoelectric effect experiments is characterized in that: the method comprises the following steps:
s1, optical path connection: the output end of a light source emitter (200) is connected with a light inlet mechanism (600) through a connecting optical fiber (601), the output end of the connecting optical fiber (601) is connected with a first light transmission tube (707), a sliding rail (709) on the outer wall surface of the first light transmission tube (707) is in sliding connection with a light outlet mechanism (800), the output end of the light outlet mechanism (800) is in light path connection with a photoelectric tube (500), and the output end of the photoelectric tube (500) is connected with a multipurpose electricity meter (300);
s2, turning on a light source emitter (200) and adjusting the frequency of output monochromatic light, enabling the monochromatic light to enter a light inlet mechanism (600) through a connecting optical fiber (601), enabling the light inlet mechanism (600) to input the monochromatic light to an impurity removing light mechanism (700) for impurity removing light treatment, enabling a light splitting grating (710) to separate stray light from light with specific frequency, enabling a first lens (711) to further separate the stray light from the light with specific frequency and enabling the light with specific frequency to converge at one point;
s3, adjusting the light emitting mechanism (800) to slide along the guide rail (403) by observing the number of the multipurpose meter (300), stopping sliding when the number of the multipurpose meter (300) is maximum, and finishing focusing of the first lens (711) and the second lens (804); the light intensity of the monochromatic light is adjusted and controlled, and the indication change of the multipurpose electric meter (300) is observed and recorded, so that the experiment is completed.
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| SU1034064A1 (en) * | 1980-05-12 | 1983-08-07 | Popov Aleksandr P | Photo effect demonstration teaching apparatus |
| KR100830191B1 (en) * | 2007-05-17 | 2008-05-16 | 김비오 | Experimental equipment for photoelectric effect |
| CN202178005U (en) * | 2011-07-22 | 2012-03-28 | 杭州博光科技有限公司 | Photoelectric effect test device |
| CN103680276B (en) * | 2014-01-08 | 2016-06-08 | 黄河科技学院 | A kind of experimental provision verified photoelectric effect experiment rule and measure Planck's constant |
| CN105352596B (en) * | 2015-12-09 | 2017-12-29 | 广州江元医疗科技有限公司 | Monochromatic optical acquisition device |
| CN205564098U (en) * | 2016-02-26 | 2016-09-07 | 余姚市智达教仪设备成套有限公司 | Photoelectric effect demonstrates ware |
| CN106251750A (en) * | 2016-10-08 | 2016-12-21 | 铜仁学院 | A kind of open Photoelectric effect experimental apparatus and operational approach thereof |
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