CN204706233U - A kind of simple and easy Doppler effect comprehensive test instrument - Google Patents
A kind of simple and easy Doppler effect comprehensive test instrument Download PDFInfo
- Publication number
- CN204706233U CN204706233U CN201520365441.1U CN201520365441U CN204706233U CN 204706233 U CN204706233 U CN 204706233U CN 201520365441 U CN201520365441 U CN 201520365441U CN 204706233 U CN204706233 U CN 204706233U
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- China
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- base
- vertical sliding
- sliding wheel
- rail brackets
- traction rope
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Abstract
The utility model relates to a kind of simple and easy Doppler effect comprehensive test instrument, comprise base, base is provided with rail brackets, rail brackets is fixed on base by L-type fixed mount, rail brackets is provided with two guide rails be parallel to each other, be connected with the end of rail brackets directly over base and be connected to infrared receiver bracket component, vertical sliding wheel is provided with below infrared receiver bracket component, vertical sliding wheel is fixed on guide rail by pulley support frame, vertical sliding wheel is provided with traction rope, wherein be provided with counterweight assembly by one end of vertical sliding wheel traction rope, the other end of traction rope is provided with freely falling body receiving unit.The utility model structure is simple, rationally distributed, can realize between moving target and recipient in opposite directions with the experiment of opposing two kinds of mode of motion, and demonstration process in successful, any operating troubles can not be produced, be conducive to the study of student and the teaching of teacher.
Description
Technical field
The utility model relates to a kind of simple and easy Doppler effect comprehensive test instrument, belongs to teaching and experiment equipment technical field.
Background technology
In daily life, we can have this experience: when one arranges the train of the steam whistle that rings through out-of-date, can find that train becomes from blast of whistle time far and closely to ring, tone comes to a point, and train dies down from blast of whistle time closely and far, tone step-down, this is because the height of tone is determined by the difference of acoustic vibration frequency, if frequency is high, tone sounds just high; Otherwise tone sounds just low, and this phenomenon is called Doppler effect.Doppler effect is pointed out, ripple receive frequency when wave source shifts to observer uprises, and at wave source away from receive frequency step-down during observer, Doppler effect has a wide range of applications in fields such as scientific research, engineering, traffic administration, medical diagnosis, measuring techniques, such as: radar system be exactly based on Doppler effect away from, be applied to the monitoring of the velocity to moving target such as guided missile, satellite, vehicle; The detection of ultrasound wave medically to human body viscera active situation and velocity of blood flow is all carry out according to the principle of Doppler effect, Doppler effect is an important content in college physics teaching, common Doppler effect experiment instrument arranges a dolly in orbit, dolly is arranged ultrasound wave receiving end, one end of track arranges ultrasonic generator, when dolly is along track quick sliding, ultrasonic frequency changes, and control enclosure is shown Doppler effect is described.The ultrasonic generator of existing Doppler's experiment instrument is in ceaselessly emission state, if many people are simultaneously a laboratory operation, impact between ultrasound wave is obvious, cannot test simultaneously, and the transmit direction of ultrasonic generator is unidirectional, incapability realize between moving target and recipient in opposite directions with the experiment of opposing two kinds of mode of motion, and in the process of demonstration DeGrain, the operating troubles of some can be produced, be not conducive to the study of student and the teaching of teacher.
Utility model content
The purpose of this utility model is: for the defect of prior art, propose a kind of simple and easy Doppler effect comprehensive test instrument, this experiment instrument structure is simple, arrange rationally, can realize between moving target and recipient in opposite directions with the experiment of opposing two kinds of mode of motion, and demonstration process in successful, any operating troubles can not be produced, be conducive to the study of student and the teaching of teacher.
The technical scheme that the utility model adopts is: a kind of simple and easy Doppler effect comprehensive test instrument, comprise base, base is provided with rail brackets, rail brackets is fixed on base by L-type fixed mount, rail brackets is provided with two guide rails be parallel to each other, be connected with the end of rail brackets directly over base and be connected to infrared receiver bracket component, vertical sliding wheel is provided with below infrared receiver bracket component, vertical sliding wheel is fixed on guide rail by pulley support frame, vertical sliding wheel is provided with traction rope, wherein be provided with counterweight assembly by one end of vertical sliding wheel traction rope, the other end of traction rope is provided with freely falling body receiving unit.
In the utility model: be provided with receiver protection box immediately below described freely falling body receiving unit, receiver protection box is fixed on base.
In the utility model: described guide rail is provided with solenoid valve bracket assembly between L-type fixed mount and base, wherein solenoid valve bracket assembly and the described corresponding setting of freely falling body receiving unit, and be fixed on guide rail by fixing slide block.
After adopting technique scheme, the beneficial effects of the utility model are: the utility model structure is simple, rationally distributed, can realize between moving target and recipient in opposite directions with the experiment of opposing two kinds of mode of motion, and demonstration process in successful, any operating troubles can not be produced, be conducive to the study of student and the teaching of teacher.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1. base; 2. rail brackets; 3. guide rail; 4. infrared receiver bracket component; 5. receiver protection box; 6. counterweight assembly; 7. traction rope; 8. vertical sliding wheel; 9. freely falling body receiving unit; 10. solenoid valve bracket assembly; 11.L type fixed mount; 12. pulley support framves; 13. fixing slide blocks.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As seen from Figure 1, a kind of simple and easy Doppler effect comprehensive test instrument, comprise base 1, base 1 is provided with rail brackets 2, rail brackets 2 is fixed on base 1 by L-type fixed mount 11, rail brackets 2 is provided with two guide rails 3 be parallel to each other, be connected with the end of rail brackets 2 directly over base 1 and be connected to infrared receiver bracket component 4, vertical sliding wheel 8 is provided with below infrared receiver bracket component 4, vertical sliding wheel 8 is fixing on guides 3 by pulley support frame 12, vertical sliding wheel 8 is provided with traction rope 7, wherein be provided with counterweight assembly 6 by traction rope 7 one end of vertical sliding wheel 8, the other end of traction rope 7 is provided with freely falling body receiving unit 9.Be provided with receiver protection box 5 immediately below described freely falling body receiving unit 9, receiver protection box 5 is fixed on base 1; Described guide rail 3 is provided with solenoid valve bracket assembly 10 between L-type fixed mount 11 and base 1, wherein solenoid valve bracket assembly 10 and described freely falling body reception group 9 corresponding settings, and fixes 13 on guides 3 by fixing slide block.
Above embodiment of the present utility model is described, but the utility model is not limited to above description.For a person skilled in the art, any equal amendment to the technical program and substitute be all among scope of the present utility model.Therefore, not departing from the equalization conversion and amendment done under spirit and scope of the present utility model, all should be encompassed in scope of the present utility model.
Claims (3)
1. a simple and easy Doppler effect comprehensive test instrument, it is characterized in that: comprise base, base is provided with rail brackets, rail brackets is fixed on base by L-type fixed mount, rail brackets is provided with two guide rails be parallel to each other, be connected with the end of rail brackets directly over base and be connected to infrared receiver bracket component, vertical sliding wheel is provided with below infrared receiver bracket component, vertical sliding wheel is fixed on guide rail by pulley support frame, vertical sliding wheel is provided with traction rope, wherein be provided with counterweight assembly by one end of vertical sliding wheel traction rope, the other end of traction rope is provided with freely falling body receiving unit.
2. the simple and easy Doppler effect comprehensive test instrument of one according to claim 1, is characterized in that: be provided with receiver protection box immediately below described freely falling body receiving unit, and receiver protection box is fixed on base.
3. the simple and easy Doppler effect comprehensive test instrument of one according to claim 1, it is characterized in that: described guide rail is provided with solenoid valve bracket assembly between L-type fixed mount and base, wherein solenoid valve bracket assembly and the described corresponding setting of freely falling body receiving unit, and be fixed on guide rail by fixing slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520365441.1U CN204706233U (en) | 2015-06-01 | 2015-06-01 | A kind of simple and easy Doppler effect comprehensive test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520365441.1U CN204706233U (en) | 2015-06-01 | 2015-06-01 | A kind of simple and easy Doppler effect comprehensive test instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204706233U true CN204706233U (en) | 2015-10-14 |
Family
ID=54285832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520365441.1U Expired - Fee Related CN204706233U (en) | 2015-06-01 | 2015-06-01 | A kind of simple and easy Doppler effect comprehensive test instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204706233U (en) |
-
2015
- 2015-06-01 CN CN201520365441.1U patent/CN204706233U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 Termination date: 20160601 |