CN209166646U - Diffraction intensity detection system and single slit diffraction optical path system - Google Patents
Diffraction intensity detection system and single slit diffraction optical path system Download PDFInfo
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- CN209166646U CN209166646U CN201822195723.8U CN201822195723U CN209166646U CN 209166646 U CN209166646 U CN 209166646U CN 201822195723 U CN201822195723 U CN 201822195723U CN 209166646 U CN209166646 U CN 209166646U
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Abstract
The utility model discloses a kind of diffraction intensity detection system and single slit diffraction optical path systems, the diffraction intensity detection system includes control unit, light intensity detection module, mobile device and display module, the mobile device includes driving device, screw rod and nut, nut is connect with wire rod thread, one end of screw rod is connect with driving device, the light intensity detection module is fixed on nut, the connection of the input terminal of the light intensity detection module and control unit, driving device and display module are connect with the output end of control unit respectively, described control unit control driving device driving screw rod rotation makes nut translation to drive light intensity detection module to translate.The diffraction intensity detection system controls motor uniform rotation by control unit, to make light intensity detection module uniform translation, the automation of light-intensity test is realized, it is time saving, more ensure that light intensity takes accurately taking a little, greatly reduce because artificially rotate it is not accurate due to the error that generates.
Description
Technical field
The utility model relates to interference diffraction technical fields, and in particular to a kind of diffraction intensity detection system and single slit diffraction
Light path system.
Background technique
Diffraction experiment by narrow opening is one of the experiment that optics aspect is important in College Physics, calculates light according to single slit diffraction striped
Grid constant is a free-revving engine of experiment.Measuring instrument used in present laboratory is digital galvanometer, is benefit in experiment
It is distributed by force with photoelectric probe detection light, and the light intensity data of each position is converted into different size of electric current and is shown in number inspection
On flowmeter, manual rotation's handwheel records a data every 0.5mm, needs to record mass data, then by calculating and drawing
Obtain single slit diffraction image.This mode is not only cumbersome, time-consuming, and manual operation will increase in measurement process because artificially rotating
Not accurate and generation error, to keep light distribution image inaccurate, grating constant calculates error and increases.
Utility model content
The utility model provides a kind of diffraction intensity detection system, the system is logical to overcome the shortcomings of the above technology
Control unit control motor uniform rotation is crossed, to make light intensity detection module uniform translation, not only realizes light-intensity test oneself
Dynamicization, it is time saving, more ensure that light intensity takes accurately taking a little, greatly reduce because artificially rotate it is not accurate due to the mistake that generates
Difference.
The utility model additionally provides a kind of single slit diffraction optical path system including the diffraction intensity detection system.
The utility model overcomes the technical solution used by its technical problem to be:
A kind of diffraction intensity detection system, including control unit, light intensity detection module, mobile device and display module, institute
Stating mobile device includes driving device, screw rod and nut, and nut is connect with wire rod thread, and one end of screw rod and driving device connect
It connects, the light intensity detection module is fixed on nut, the input terminal connection of the light intensity detection module and control unit, driving dress
It sets and is connect respectively with the output end of control unit with display module, described control unit control driving device driving screw rod rotation makes
Nut translation is to drive light intensity detection module to translate.
It further, further include fixed device, the fixed device includes support plate and be fixed in support plate two
Fixed ear, the both ends of the screw rod are set on respectively in a fixed ear.
It further, further include key module, the input terminal connection of the key module and control unit.The key mould
Block uses fairly simple independent keyboard, and the key module includes at least light distribution scan pattern key, motor rotates forward
Key, motor reversal key and motor stall key.
It further, further include graphics module, the graphics module is installed on computer, installs the graphics module
Computer and the output end of control unit connect.
Further, further include wireless transport module, the wireless transport module include sender's wireless transport module and
With recipient's wireless transport module of sender's wireless transport module wireless communication, described control unit includes that sender controls list
Member and recipient's control unit, described sender wireless transport module are connect with the output end of sender's control unit, recipient
Wireless transport module is connect with the input terminal of recipient's control unit.
It further, further include two level switch modules, one of level switch module is set to sender's control
Between unit and sender's wireless transport module, another level switch module is set to recipient's wireless transport module and receives
Between square control unit.
Further, the light intensity detection module and key module are connect with the input terminal of sender's control unit, are driven
Dynamic device is connect with the output end of sender's control unit, and display module and the computer for installing graphics module are controlled with recipient
The output end of unit processed connects.
Further, the fixed device further includes the support rod being fixed below support plate and is fixed below support rod
Pedestal.
Further, the driving device is stepper motor.
The utility model additionally provides a kind of single slit diffraction optical path system, including diffraction intensity detection system described above
System, further includes light source emitter and slit arrangement.
The beneficial effects of the utility model are:
1, the diffraction intensity detection system of the utility model controls motor uniform rotation by control unit, to make light intensity
Detection module uniform translation not only realizes the automation of light-intensity test, time saving, more ensure light intensity take a little accurately adopt
It takes, greatly reduces the error generated due to artificially rotating not accurate.
2, the diffraction intensity detection system of the utility model not only can be by wired to the light intensity data information acquired
Transmission mode is transferred to computer, can also avoid massive duplication calculating by wireless transmission to computer, mention
High accuracy rate.
3, the diffraction intensity detection system of the utility model transmits intensity signal by using wireless communication mode, utilizes string
Information real-time delivery is made information processing much sooner to the computer in a distant place by port communications, is not limited by some regions, moreover it is possible to
The drawback for avoiding data line length inadequate；And automation real-time drawing function is carried out by VB software, rather than is much abstracted
Data, reduce the drawing burden of experimental implementation person, while making light distribution more intuitive, it is easier to student be allowed to deepen to list
Stitch the understanding of diffraction experiment.
Detailed description of the invention
Fig. 1 is the functional block diagram of the diffraction intensity detection system of wire transmission mode described in the utility model embodiment.
Fig. 2 is the functional block diagram of the diffraction intensity detection system of wireless communication mode described in the utility model embodiment.
Fig. 3 is the structural schematic diagram of diffraction intensity detection system described in the utility model embodiment.
Fig. 4 is the structural schematic diagram of single slit diffraction optical path system described in the utility model embodiment.
In figure, 1, control unit, 1.1, sender's control unit, 1.2, recipient's control unit, 2, light intensity detection module,
3, mobile device, 3.1, driving device, 3.2, screw rod, 3.3, nut, 4, display module, 5, fixed device, 5.1, support plate,
5.2, fixed ear, 5.3, support rod, 5.4, pedestal, 6, key module, 7, graphics module, 8, wireless transport module, 8.1, transmission
Square wireless transport module, 8.2, recipient's wireless transport module, 9, level switch module, 10, light source emitter, 11, slit
Device, 12, diffraction intensity detection device.
Specific embodiment
The utility model is better understood for the ease of those skilled in the art, in the following with reference to the drawings and specific embodiments to this reality
It is described in further details with novel, following be merely exemplary does not limit the protection scope of the utility model.
As shown in figs. 1 and 3, a kind of diffraction intensity detection system described in the present embodiment, including the inspection of control unit 1, light intensity
Module 2, mobile device 3 and display module 4 are surveyed, the mobile device 3 includes driving device 3.1, screw rod 3.2 and nut 3.3,
One end of middle screw rod 3.2 is connect with driving device 3.1, and the light intensity detection module 2 is fixed on nut 3.3, the light intensity inspection
It surveys module 2 to connect with the input terminal of control unit 1, driving device 3.1 and display module 4 output end with control unit 1 respectively
Connection, described control unit 1 control driving device 3.1 and the rotation of screw rod 3.2 are driven to make the translation of nut 3.3 to drive light-intensity test
Module 2 translates, to acquire the intensity signal of each point on translation route.
In the present embodiment, described control unit 1 uses STC89C52 single chip chip, and the driving device 3.1 is using step
Into motor, the display module 4 uses LCD1602.The diffraction intensity detection system further includes fixed device 5, the fixation
Device 5 includes support plate 5.1, two fixed ears 5.2 being fixed in support plate, the support rod 5.3 being fixed below support plate
With the pedestal 5.4 being fixed below support rod, the both ends of the screw rod 3.2 are set on respectively in a fixed ear 5.2.
Further, the diffraction intensity detection system further includes key module 6 and graphics module 7, the key module 6
It is connect with the input terminal of control unit 1, the present embodiment is preferred, and the key module 6 includes at least light distribution scan pattern and presses
Key, motor rotate forward key, motor reversal key and motor and stall key.The graphics module 7 is installed on computer, installs institute
The computer for stating graphics module is connect with the output end of control unit 1, and the graphics module is existing VB mapping software.
Diffraction intensity detection system described in the present embodiment includes two kinds of transmission modes, one is wire transmission mode, one
Kind is wireless communication mode.
For wire transmission mode, as shown in Figure 1, the chip of the light intensity detection module 2 uses BH1750, it is one
Kind is used for the numeric type light intensity sensor integrated circuit of twin wire serial bus interface, and this integrated circuit can be according to collection
Light intensity data adjust the brightness of liquid crystal or keyboard backlight, larger range can be detected using its high-resolution
Intensity variation.In the diffraction intensity detection system of the wire transmission mode, the diffraction of the acquisition of light intensity detection module 2
The light intensity data of light is output to by control unit 1 and shows on display module 4 and be transferred on computer by serial communication,
And utilize the VB software real-time rendering light intensity magnitude distributed image installed on computer.
For wireless communication mode, as shown in Fig. 2, the diffraction intensity detection system further includes wireless transport module
8, the wireless transport module 8 includes sender's wireless transport module 8.1 and wirelessly communicates with sender's wireless transport module
Recipient's wireless transport module 8.2, described control unit 1 include sender's control unit 1.1 and recipient's control unit 1.2,
Described sender wireless transport module 8.1 is connect with the output end of sender's control unit 1.1, recipient's wireless transport module
8.2 connect with the input terminal of recipient's control unit 1.2.It is described in the diffraction intensity detection system of the wireless communication mode
Light intensity detection module 2 realizes light intensity test function by detection intensity of illumination using digital optical module GY-30, the module, can be by
Intensity signal passes through analog-to-digital conversion directly as digital signal output, and the calculating of subsequent complexity is omitted, facilitates follow-up signal
Processing；The wireless transport module 8.1 and recipient's wireless transport module 8.2 are all made of nRF905 chip.
Further, since the operating voltage requirement of wireless transport module 8.1 and recipient's wireless transport module 8.2 is
1.9V~3.6V, therefore also need in the diffraction intensity detection system of the wireless communication mode that level switch module is arranged and be used for
The level conversion for realizing 5V to 3.3V, due to including sender's control unit 1.1 and 1.2 liang of recipient's control unit in the device
A control unit, therefore two level switch modules 9 are needed, one of level switch module 9 is set to sender's control unit
Between 1.1 and sender's wireless transport module 8.1, another level switch module 9 is set to recipient's wireless transport module 8.2
Between recipient's control unit 1.2.In the present embodiment, the chip of the level switch module 9 uses MS1117-3.3.Separately
Outside, the light intensity detection module 2 and key module 6 are connect with the input terminal of sender's control unit 1.1, driving device 3.1
It is connect with the output end of sender's control unit 1.1, display module 4 and the computer for installing graphics module are controlled with recipient
The output end of unit 1.2 connects.
In the diffraction intensity detection system of the wireless communication mode, the light intensity detection module 2 carries out intensity signal real
When acquire and be converted in module digital signal output, then by sender's control unit 1.1 receive and to measured number
After being handled, by sender's wireless transport module 8.1 and 8.2 wireless communication transmissions of recipient's wireless transport module to connecing
Debit's control unit 1.2 finally by recipient's control unit 1.2 controls the driving of display module 4 display light intensity data and by data
It is transferred on computer, and utilizes the VB software real-time rendering light intensity magnitude distributed image installed on computer.
The present embodiment additionally provides a kind of single slit diffraction optical path system, as shown in figure 4, including diffraction intensity described above
Detection system further includes light source emitter 10 and slit arrangement 11.If by fixing in diffraction intensity detection system described above
The structure of device 5 and the mobile device 3 and light intensity detection module 2 that are set on fixed device 5 composition is called diffraction intensity detection
Device 12, the light source emitter 10, slit arrangement 11 and diffraction intensity detection device 12 are arranged successively in optical path.
Above only describes the basic principle of the utility model and preferred embodiment, those skilled in the art can be according to above-mentioned
Many changes and improvements are made in description, these changes and improvements should belong to the protection scope of the utility model.
Claims (10)
1. a kind of diffraction intensity detection system, which is characterized in that including control unit (1), light intensity detection module (2), mobile dress
(3) and display module (4) are set, the mobile device (3) includes driving device (3.1), screw rod (3.2) and nut (3.3), nut
(3.3) it is threadedly coupled with screw rod (3.2), one end of screw rod (3.2) is connect with driving device (3.1), the light intensity detection module
(2) it is fixed on nut (3.3), the light intensity detection module (2) connect with the input terminal of control unit (1), driving device
(3.1) it is connect respectively with the output end of control unit (1) with display module (4), described control unit (1) controls driving device
(3.1) driving screw rod (3.2) rotation makes nut (3.3) translation to drive light intensity detection module (2) to translate.
2. diffraction intensity detection system according to claim 1, which is characterized in that it further include fixed device (5), it is described solid
Determining device (5) includes support plate (5.1) and two fixed ears (5.2) being fixed in support plate, the both ends of the screw rod (3.2)
It is set on a fixed ear (5.2) respectively.
3. diffraction intensity detection system according to claim 1 or 2, which is characterized in that further include key module (6), institute
Key module (6) is stated to connect with the input terminal of control unit (1).
4. diffraction intensity detection system according to claim 3, which is characterized in that it further include graphics module (7), it is described to draw
Module (7) is installed on computer, and the computer for installing the graphics module is connect with the output end of control unit (1).
5. diffraction intensity detection system according to claim 4, which is characterized in that further include wireless transport module (8), institute
Wireless transport module (8) is stated to include sender's wireless transport module (8.1) and wirelessly communicate with sender's wireless transport module
Recipient's wireless transport module (8.2), described control unit (1) include that sender's control unit (1.1) and recipient control list
First (1.2), described sender wireless transport module (8.1) are connect with the output end of sender's control unit (1.1), recipient without
Line transmission module (8.2) is connect with the input terminal of recipient's control unit (1.2).
6. diffraction intensity detection system according to claim 5, which is characterized in that further include two level switch modules
(9), one of level switch module (9) is set to sender's control unit (1.1) and sender's wireless transport module (8.1)
Between, another level switch module (9) is set to recipient's wireless transport module (8.2) and recipient's control unit (1.2)
Between.
7. diffraction intensity detection system according to claim 5 or 6, which is characterized in that the light intensity detection module (2) and
Key module (6) is connect with the input terminal of sender's control unit (1.1), driving device (3.1) and sender's control unit
(1.1) output end connection, display module (4) and installation graphics module computer with recipient's control unit (1.2)
Output end connection.
8. diffraction intensity detection system according to claim 2, which is characterized in that the fixed device (5) further includes solid
Support rod (5.3) below support plate and the pedestal (5.4) being fixed below support rod.
9. diffraction intensity detection system according to claim 1, which is characterized in that the driving device (3.1) is stepping
Motor.
10. a kind of single slit diffraction optical path system, which is characterized in that including such as described in any item diffraction intensities of claim 1-9
Detection system further includes light source emitter (10) and slit arrangement (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822195723.8U CN209166646U (en) | 2018-12-18 | 2018-12-18 | Diffraction intensity detection system and single slit diffraction optical path system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822195723.8U CN209166646U (en) | 2018-12-18 | 2018-12-18 | Diffraction intensity detection system and single slit diffraction optical path system |
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| CN209166646U true CN209166646U (en) | 2019-07-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459134A (en) * | 2018-12-18 | 2019-03-12 | 济南大学 | Diffraction intensity detection system, single slit diffraction optical path system and light-intensity test method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109459134A (en) * | 2018-12-18 | 2019-03-12 | 济南大学 | Diffraction intensity detection system, single slit diffraction optical path system and light-intensity test method |
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| CF01 | Termination of patent right due to non-payment of annual fee |