CN201177888Y - Kinematics experiment apparatus - Google Patents
Kinematics experiment apparatus Download PDFInfo
- Publication number
- CN201177888Y CN201177888Y CNU2008200453302U CN200820045330U CN201177888Y CN 201177888 Y CN201177888 Y CN 201177888Y CN U2008200453302 U CNU2008200453302 U CN U2008200453302U CN 200820045330 U CN200820045330 U CN 200820045330U CN 201177888 Y CN201177888 Y CN 201177888Y
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- dolly
- experiment
- displacement sensor
- data processing
- displacement information
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Abstract
The utility model discloses a kinematic laboratory apparatus which relates to the physical experiment field. The apparatus comprises an experimental dolly, a photoelectric displacement sensor and a track slab; the photoelectric displacement sensor is arranged at the bottom part of the experimental dolly, and the experimental dolly moves on the track slab; the photoelectric displacement sensor collects the motion displacement information of the experimental dolly, and sends out the motion displacement information to a data processing unit, and the data processing unit carries out the arithmetic treatment to the motion displacement information. The kinematic laboratory apparatus adopts the photoelectric displacement sensor to collect and process the obtained motion displacement information of the experimental dolly, and the photoelectric displacement sensor adopts light as the signal carrier, thereby having fast displacement information collecting ability and high resolution, and not having the mechanical efficiency problem, so that the data measured by the experiments are more precise; furthermore, the data processing unit is adopted to process the motion displacement information of the experimental dolly, thereby the data processing process is enabled to be faster.
Description
Technical field
The utility model relates to physical motion and learns the experiment field, relates in particular to a kind of kinematics experimental facilities.
Background technology
Learn in the experiment at the middle school physical motion, the traditional experiment system utilizes dotted timer matching track dolly to gather displacement data usually.Dotted timer is by get a kind of time keeping instrument that ink dot demonstrates a mark on paper tape, but the some mark of paper tape middle and later periods is skewness also, and the measurement of this experiment is just can carry out under meeting some requirements, there is friction force between paper tape and the dotted timer, so exist error bigger usually.
Summary of the invention
The purpose of this utility model is to solve problems of the prior art, and a kind of kinematics experimental facilities is provided.
For realizing above purpose, the utility model has been taked following technical scheme: a kind of kinematics experimental facilities comprises experiment dolly, photoelectric displacement sensor and track plate and data processing equipment; Photoelectric displacement sensor is arranged on the bottom of experiment with dolly, and described experiment is moved on the track plate with dolly;
The moving displacement information with dolly is tested in described photoelectric displacement sensor collection, and described moving displacement information is sent to data processing equipment, and data processing equipment is handled described moving displacement information, calculates the to be measured numerical value of experiment with dolly.
Described photoelectric displacement sensor comprises circuit of LED, optical lens module, CMOS photoreceptor, digital signal processor and interface circuit;
Circuit of LED is used to illuminate the moving surface of experiment with dolly, the image of described moving surface becomes optical image by described optical lens module on the CMOS photoreceptor, described CMOS photoreceptor is converted to electric signal with described optical image and is transferred to digital signal processor, digital signal processor is handled described electric signal and is integrated into the displacement information of experiment with moving of car, and sends to data processing equipment by interface circuit.
Described interface circuit comprises the radio-frequency transmissions circuit, and described displacement information is wirelessly transmitted to described data processing equipment by described radio-frequency transmissions circuit.
Described experiment is provided with roller and roller bearing with the dolly bottom, and described roller is fixed on described experiment with on the dolly by roller bearing, connects by ball bearing between described roller and the roller bearing.
Described track plate is provided with locating slot, and described experiment is moved along described locating slot with dolly.
Described track plate surface is provided with the texture ripple.
Described photoelectric displacement sensor is fixed on the bottom of described experiment with dolly by spring, photoelectric displacement sensor is provided with through hole, screw passes through hole and is connected with the bottom of described experiment with dolly, by the distance of described photoelectric displacement sensor of the length adjustment that screws in described screw and described track plate.
Be provided with carrying case in described experiment with the top of dolly, change the quality of described experiment with dolly by in carrying case, placing object.
Also be provided with hook in described experiment with the front and rear part of dolly.
Kinematics experimental facilities of the present utility model is with respect to prior art, adopt the photoelectric displacement sensor acquisition process to obtain testing the moving displacement information of using dolly, photoelectric displacement sensor adopts light as signal vehicle, has the ability of quick collection displacement data and very high resolution, and there is not the mechanical efficiency problem, makes that the data of experiment measuring are more accurate; And adopt data processing equipment that experiment is handled with the moving displacement information of dolly, make data processing than very fast.
Description of drawings
Fig. 1 is structural representation of the present utility model (one);
Fig. 2 is structural representation of the present utility model (two);
Fig. 3 is structural representation of the present utility model (three);
Fig. 4 is structural representation of the present utility model (four);
Fig. 5 is the structural representation of track plate of the present utility model;
Fig. 6 is the structured flowchart () of the utility model photoelectric displacement sensor;
Fig. 7 is the structured flowchart (two) of the utility model photoelectric displacement sensor;
Description of reference numerals: 1, dolly use in experiment, and 2, photoelectric displacement sensor, 3, the track plate, 4, roller, 5, roller bearing, 6, ball bearing, 7, spring, 8, screw, 9, carrying case, 10, link up with.
Embodiment
Below in conjunction with the drawings and specific embodiments content of the present utility model is described in further details.
Embodiment one
Kinematics experimental facilities of the present utility model as shown in Figure 1, comprises experiment dolly 1, photoelectric displacement sensor 2 and track plate 3, and photoelectric displacement sensor 2 is arranged on the bottom of experiment with dolly 1, and described experiment is moved on track plate 3 with dolly 1; Described photoelectric displacement sensor 2 is gathered the moving displacement information of experiment with dolly 1, and described moving displacement information is sent to data processing equipment, by data processing equipment described moving displacement information is carried out calculation process.
Wherein said data processing equipment can be computing machine in one embodiment, computing machine is connected with receiving trap can receive described moving displacement information, can handle described moving displacement information by corresponding data processor is installed on computers, thereby calculate the measurement data that the operator wants.
Described photoelectric displacement sensor 2 comprises circuit of LED, optical lens module, CMOS photoreceptor, digital signal processor and interface circuit, as shown in Figure 6; Circuit of LED is used to illuminate the moving surface of experiment with dolly, the image of described moving surface becomes optical image by described optical lens module on the CMOS photoreceptor, described CMOS photoreceptor is converted to electric signal with described optical image and is transferred to digital signal processor, digital signal processor is handled described electric signal and is integrated into the displacement information of experiment with moving of car, and sends to data processing equipment by interface circuit.This photoelectric displacement sensor 2 is the principles that adopt optical mouse, the workflow of optical mouse location is roughly: the light emitting diode with inside is that light source illuminates the sampling surface, contrast is strong waits the image scioptics imaging on CMOS of sampling, and CMOS is converted into the matrix electric signal with optical image and is transferred to DSP (digital signal processor).When mouse moved, DSP then compared analysis with the image in last sampling period of this signal of video signal and storage, sent a shift length signal then to interface circuit.Interface circuit carries out integration processing to the displacement signal of being sent by DSP, sends displacement data information so that fixing byte is various to computing machine at last.
Because photoelectric displacement sensor 2 needs and the track plate is used, in order to improve the degree of accuracy of photoelectric displacement sensor 2, track plate 3 is provided with corresponding texture ripple.
Wherein in an embodiment, in order to realize wirelessly transmitting data, described interface circuit also comprises the radio-frequency transmissions circuit, described displacement data information wireless is sent to data processing equipment, as shown in Figure 7.
In order to reduce the experiment friction force of dolly 1 on track plate 3, as shown in Figure 2, this experiment is provided with roller 4 with the bottom of dolly 1, and roller 4 is fixed on the bottom of experiment with dolly by roller bearing 5, makes experiment can move on track plate 3 by roller 4 with dolly 1.In one embodiment, connect by ball bearing 6 between described roller bearing 5 and the roller 4, further reduced friction force.
Described photoelectric displacement sensor 2 can be fixed on the bottom of experiment with dolly 1 by spring 7, photoelectric displacement sensor 2 is provided with through hole, screw 8 screws in the bottom of described experiment with dolly 1 by through hole, as shown in Figure 3, the distance of described photoelectric displacement sensor 2 can be adjusted by the length of DRIVE SCREWS 8, the length that this screw 8 screws in can be adjusted for the needs of testing sometimes to track plate 3.
In order to adjust the quality size of experiment with dolly 1, be provided with carrying case 9 on the top of testing with dolly, can place object 9 li of carrying cases and regulate the quality size of experiment with dolly 1.Be provided with hook 10 in experiment with the front and rear part of dolly 1 further, can use the hook 10 of spring before and after respectively tangling, make experiment use the dolly 1 can side-to-side movement.Wherein use dolly 1 along rectilinear motion in order to guarantee to test, track plate 3 is provided with locating slot 11, and as shown in Figure 5, described experiment is moved along this locating slot 11 with the roller 4 of dolly.
By changing the shape and the structure of track plate 3, can be so that kinematics experimental facilities of the present utility model can be done many physical motion such as Newton second law experiment, damped motion experiment, spring oscillator experiment experiment.
Above-listed detailed description is at the specifying of the utility model possible embodiments, and this embodiment is not in order to limiting claim of the present utility model, does not allly break away from the equivalence that the utility model does and implements or change, all should be contained in the claim of this case.
Claims (9)
1, a kind of kinematics experimental facilities is characterized in that: comprise experiment dolly, photoelectric displacement sensor and track plate; Photoelectric displacement sensor is arranged on the bottom of experiment with dolly, and described experiment is moved on the track plate with dolly;
The moving displacement information with dolly is tested in described photoelectric displacement sensor collection, and described moving displacement information is sent to data processing equipment, by data processing equipment described moving displacement information is carried out calculation process.
2, kinematics experimental facilities according to claim 1 is characterized in that: described photoelectric displacement sensor comprises circuit of LED, optical lens module, CMOS photoreceptor, digital signal processor and interface circuit;
Circuit of LED is used to illuminate the moving surface of experiment with dolly, the image of described moving surface becomes optical image by described optical lens module on the CMOS photoreceptor, described CMOS photoreceptor is converted to electric signal with described optical image and is transferred to digital signal processor, digital signal processor is handled described electric signal and is integrated into the displacement information of experiment with moving of car, and sends to data processing equipment by interface circuit.
3, kinematics experimental facilities according to claim 2, it is characterized in that: described interface circuit comprises the radio-frequency transmissions circuit, described displacement information is wirelessly transmitted to described data processing equipment by described radio-frequency transmissions circuit.
4, kinematics experimental facilities according to claim 1 and 2, it is characterized in that: described experiment is provided with roller and roller bearing with the dolly bottom, described roller is fixed on described experiment with on the dolly by roller bearing, connects by ball bearing between described roller and the roller bearing.
5, kinematics experimental facilities according to claim 4 is characterized in that: described track plate is provided with locating slot, and described experiment is moved along described locating slot with the roller of dolly.
6, kinematics experimental facilities according to claim 5 is characterized in that: described track plate surface is provided with the texture ripple.
7, kinematics experimental facilities according to claim 1 and 2, it is characterized in that: described photoelectric displacement sensor is fixed on the bottom of described experiment with dolly by spring, photoelectric displacement sensor is provided with through hole, screw passes through hole and is connected with the bottom of described experiment with dolly, by the distance of described photoelectric displacement sensor of the length adjustment that screws in described screw and described track plate.
8, kinematics experimental facilities according to claim 1 and 2 is characterized in that: be provided with carrying case in described experiment with the top of dolly, change the quality of described experiment with dolly by place object in carrying case.
9, kinematics equipment according to claim 8 is characterized in that: also be provided with hook in described experiment with the front and rear part of dolly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200453302U CN201177888Y (en) | 2008-03-25 | 2008-03-25 | Kinematics experiment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200453302U CN201177888Y (en) | 2008-03-25 | 2008-03-25 | Kinematics experiment apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201177888Y true CN201177888Y (en) | 2009-01-07 |
Family
ID=40217911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200453302U Expired - Fee Related CN201177888Y (en) | 2008-03-25 | 2008-03-25 | Kinematics experiment apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201177888Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106097843A (en) * | 2016-08-30 | 2016-11-09 | 广东工业大学 | A kind of kinesiology experimental system and method |
-
2008
- 2008-03-25 CN CNU2008200453302U patent/CN201177888Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106097843A (en) * | 2016-08-30 | 2016-11-09 | 广东工业大学 | A kind of kinesiology experimental system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090107 Termination date: 20100325 |