CN209387677U - A kind of high-speed motion body speed detection system - Google Patents
A kind of high-speed motion body speed detection system Download PDFInfo
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- CN209387677U CN209387677U CN201920144013.4U CN201920144013U CN209387677U CN 209387677 U CN209387677 U CN 209387677U CN 201920144013 U CN201920144013 U CN 201920144013U CN 209387677 U CN209387677 U CN 209387677U
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- movable body
- deceleration
- sandbox
- laser
- spring
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Abstract
The utility model discloses a kind of high-speed motion body speed detection systems, by being provided with detection device, laser detection structure is internally provided in detection device, the laser of laser emitter sending is blocked in sense channel by movable body, prevent laser pickoff from receiving laser such time difference, in the length according to movable body, the instantaneous velocity of movable body at this moment can be calculated, it thus can detecte out the movable body speed in detection device at range transmission pipeline different distance, movable body flying distance may finally be estimated;It is provided with recyclable device simultaneously, is injected in deceleration sandbox by movable body, is slowed down by electromagnetic force and spring power to movable body, stop at movable body in deceleration sandbox, thus the recycling and reusing for the movable body completed.
Description
Technical field
The utility model relates to a kind of high-speed motion body detection technique fields more particularly to a kind of high-speed motion body speed to examine
Examining system.
Background technique
The performance of high-speed motion body must be detected when designing and producing high-speed motion body, commonly use high speed at this stage
The movable body of movable body hits detection target, then the effect of impact by the various sensor sensing high-speed motion bodies on detection target
Power, finally by processor by the data conversion of various sensors at properties such as impact force, the speed of high-speed motion body, this
The performance that sample tests high-speed motion body is simple and convenient, but the precision measured is lower, while can not be again as experiment movable body
It recycles, thus causes high-speed motion physical examination and survey higher cost.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of high-speed motion body speed
Degree detection system is able to solve the above problem.
Technical solution: to achieve the above object, a kind of high-speed motion body speed detection system of the utility model: include
Emitter, detection device and recyclable device;The emitter is provided with transmitting pipeline, the exit portal end of the transmitting pipeline
It is set together with the sense channel entrance port end of detection device, the transmitting pipeline and sense channel are coaxially disposed;The hair
It penetrates and is provided with movable body in pipeline, movable body detects after projecting out of emitter by detection device, is finally recovered device
Recycling;It is provided with while detection device and recyclable device test the performance of high-speed motion body and plays recycling movable body
In the effect utilized.
The recyclable device includes outer protection cabinet and deceleration sandbox, and the deceleration sandbox is set in outer protection cabinet
Interior, entry port is being arranged close to emitter side in the outer protection cabinet and deceleration sandbox, and movable body passes through entry port
It is injected into deceleration sandbox;Fine sand is provided in the deceleration sandbox, and concentration edge of the fine sand in deceleration sandbox moves
The body direction of motion is increasing;It is set between the right side of the deceleration sandbox and outer protection cabinet by elastic construction elastic connection
It sets, and the elastic direction of elastic construction is identical as the movable body direction of motion;First is provided on the right side of the deceleration sandbox
Electromagnet is provided with the second electromagnet on right side in the outer guard box body, and in the first electromagnet and the second electromagnetism Tie Tong
When electric, the first electromagnet and the second electromagnet repel each other setting.Recyclable device slows down to movable body by deceleration fine sand, finally
Fall into movable body in fine sand, fine sand, which plays, facilitates the collection of movable body to recycle.
Further, the elastic construction includes the first spring and second spring, and the second spring is set in first
Outside spring, and the length of second spring is greater than the first length, and one end of first spring is fixedly installed in outer guard box
In the right inner side wall of body, the other end is vacantly arranged, and is provided with third pressure inductor on the hanging one end of the first spring;It is described
One end of second spring is fixedly installed in the right inner side wall of outer guard box body, and the right side of deceleration sandbox is arranged in the other end
On.It is provided with elastic construction to slow down to deceleration sandbox, so that the kinetic energy of deceleration sandbox is converted to elastic potential energy, playing prevents
The effect of movable body breakdown deceleration sandbox.
Further, rolling pulley is provided on the lateral wall of the deceleration sandbox, the inner wall of the outer protection cabinet is set
It is equipped with limiting groove, the length direction of the limiting groove is identical as deceleration sandbox direction of displacement, the length of the limiting groove
Greater than the maximum displacement length of deceleration sandbox;The rolling pulley, which rolls, to be arranged in limiting groove;When deceleration sandbox position to the right
When shifting, rolling pulley scrolls right along limiting groove length direction.It is rolled and is arranged in limiting groove by rolling pulley, a side
Face rolling pulley plays supporting role to deceleration sandbox, and another aspect limiting groove carries out the rotating direction of rolling pulley
Limitation and deceleration sandbox can only be moved along the direction that ammunition advances.
Further, the detection device is internally provided with several test points, and the first test point is positioned close to transmitting tube
In the sense channel at the exit portal end in road, remaining several test point is successively placed equidistant with;Laser is set on several test points
Detection structure, the laser detection structure include laser emitter and laser pickoff, and the laser emitter passes through screw thread
It is connected and fixed and is arranged on sense channel side wall test point, and the vertical length side with sense channel of the transmitting terminal of laser emitter
To transmitting laser;The laser pickoff, which is inlayed, to be arranged at the inner wall of corresponding laser irradiation.Laser hair is blocked by movable body
The laser that emitter issues makes laser emitter that can not emit electrical number to signal processor, can thus calculate movable body
The time flown at test point can calculate movable body instantaneous velocity at this time by the length of movable body itself.
Further, the upper top of the detection device is provided with signal processor, at the laser emitter and signal
It is electrically connected between reason device;The signal output end of the laser pickoff is connect with signal processor signal input part signal.
Further, the emitter includes hyperbaric chamber, the outlet side in the hyperbaric chamber and transmitting pipeline inlet end
Between be provided with solenoid valve, the tail portion in the hyperbaric chamber is connected with high-pressure air pipe, by high-pressure pump by air from the height
Air pipe is filled with to hyperbaric chamber inner cavity;The shape of the hyperbaric chamber internal chamber wall is in gather setting to hyperbaric chamber outlet side arc;Institute
It states movable body to be arranged in transmitting pipeline at the one end in hyperbaric chamber, and the movable body is arranged in oval column, the fortune
Kinetoplast surface is coated with blacking;The tail portion of the movable body is provided with second pressure inductor.Movable body surface is painted black
Color, in order to more have shaded effect, the effect for making movable body block laser is more preferable.
Further, the hyperbaric chamber is provided with the first pressure sensor of measurement chamber pressure.
The utility model has the advantages that a kind of high-speed motion body speed detection system of the utility model, by being provided with detection device,
Detection device is internally provided with laser detection structure, blocks swashing for laser emitter sending in sense channel by movable body
Light prevents laser pickoff from receiving laser such time difference, in the length according to movable body, can calculate movable body and exist
Instantaneous velocity at this time thus can detecte out the movable body speed in detection device at range transmission pipeline different distance
Degree, may finally estimate movable body flying distance;It is provided with recyclable device simultaneously, is injected in deceleration sandbox by movable body,
Slowed down by electromagnetic force and spring power to movable body, stop at movable body in deceleration sandbox, to complete
Movable body recycling and reusing.
Detailed description of the invention
Attached drawing 1 is the overall structure diagram of the utility model;
Attached drawing 2 is the emitter and detection device the schematic diagram of the section structure of the utility model;
Attached drawing 3 is the mounting structure schematic diagram of the laser emitter of the utility model;
Attached drawing 4 is the schematic diagram of the section structure of the recyclable device of the utility model;
Attached drawing 5 is the partial enlargement structural representation of the recyclable device of the utility model;
Attached drawing 6 is the structural schematic diagram of the elastic construction of the utility model.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
A kind of high-speed motion body speed detection system as described in attached drawing 1~6: including emitter 1, detection device 2
With recyclable device 3;The emitter 1 is provided with transmitting pipeline 11, the exit portal end of the transmitting pipeline 11 and detection device 2
21 entrance port end of sense channel be set together, the transmitting pipeline 11 is coaxially disposed with sense channel 21;The transmitting tube
Movable body 4 is provided in road 11, movable body 4 detects after projecting out of emitter 1 by detection device 2, is finally recovered dress
Set 3 recycling;The recyclable device 3 includes outer protection cabinet 31 and deceleration sandbox 32, and the deceleration sandbox 32 is set in outer guarantor
In protecting box body 31, entry port, movable body is being arranged close to 1 side of emitter with deceleration sandbox 32 in the outer protection cabinet 31
4 are injected into deceleration sandbox 32 by entry port;Fine sand 321 is provided in the deceleration sandbox 32, and fine sand 321 is slowing down
Concentration in sandbox 32 is increasing along 4 direction of motion of movable body, when movable body 4 is injected in deceleration sandbox 32, one
Transfer can be converted to frictional force, and frictional force, which acts on deceleration sandbox 32, moves deceleration sandbox 32 along the injection of movable body 4 direction,
Another part kinetic energy relatively moves movable body 4 in deceleration sandbox 32, when the concentration of fine sand 321 is increasing, fortune
It is bigger that 4 kinetic energy of kinetoplast is converted to frictional force, finally makes movable body 4 and deceleration box 32 without relative displacement;The deceleration sandbox
It is arranged between 32 right side and outer protection cabinet 31 by 33 elastic connection of elastic construction, and the elastic direction of elastic construction 33
It is identical as 4 direction of motion of movable body;The elastic construction 33 includes the first spring 331 and second spring 332, second bullet
Spring 332 is set in outside the first spring 331, and the length of second spring 332 is greater than 331 length of the first spring, first spring
331 one end is fixedly installed in the right inner side wall of outer guard box body 31, and the other end is vacantly arranged, and the first spring 331 is hanging
One end on be provided with third pressure inductor 34;One end of the second spring 332 is fixedly installed in outer guard box body 31
In right inner side wall, the other end is arranged on the right side of deceleration sandbox 32;Until being arranged on the right side of the deceleration sandbox 32
There is the first electromagnet 322, is provided with the second electromagnet 311 on right side in the outer protection cabinet 31, and in the first electromagnet
322 and second electromagnet 311 when being powered, the first electromagnet 322 and the second electromagnet 311 repel each other setting;When deceleration box 32 is pressed
Contracting spring structure is until when deceleration box is pressed in 34 on third pressure inductor, and third pressure inductor 34 passes signal at this time
Controller is passed, controller controls the first electromagnet 311 and the second electromagnet 322 is powered and generates mutual expelling force obstruction deceleration sandbox 32
Movement flow through the first electromagnet 311 and the second electromagnet 322 and when 34 pressure of third pressure inductor is bigger
Electric current is stronger, and the repulsion generated is bigger, hinders the effect of the movement of deceleration sandbox 32 more preferable.
Rolling pulley 323, the inner wall setting of the outer protection cabinet 31 are provided on the lateral wall of the deceleration sandbox 32
There is limiting groove 312, the length direction of the limiting groove 312 is identical as 32 direction of displacement of deceleration sandbox, the limiting groove
312 length is greater than the maximum displacement length of deceleration sandbox 32;The rolling pulley 323, which rolls, to be arranged in limiting groove 312;
When deceleration sandbox 32 is displaced to the right, rolling pulley 323 scrolls right along 312 length direction of limiting groove;Rolling pulley 323 rolls
Dynamic to be arranged in limiting groove 312,323 pairs of deceleration sandboxs 32 of one side rolling pulley play supporting role, on the other hand limit
Position groove 312 limits the rotating direction of rolling pulley 323 and deceleration sandbox 32 can only be along the advance of movable body 4
Direction movement.
The detection device 2 is internally provided with several test points, and the first test point 22 is positioned close to transmitting pipeline 11
In the sense channel 21 at exit portal end, remaining several test point is successively placed equidistant with;Laser is arranged on several test points to examine
Geodesic structure, the laser detection structure include laser emitter 23 and laser pickoff 24, and the laser emitter 23 passes through
Threaded connection is arranged in the thread groove 221 on 21 side wall test point of sense channel, and the transmitting terminal of laser emitter 23 hangs down
Directly emit laser with the length direction of sense channel 21, laser stability is high, after being blocked by movable body 4, is not easy in movable body
Diffusing reflection occurs for surface;The laser pickoff 24, which is inlayed, to be arranged at the inner wall of corresponding laser irradiation, and laser pickoff 23 connects
It is sensitive to receive laser reactive, precision is high, and the differential time of flight of test point is flown over convenient for measurement movable body 4.The detection device 2 it is upper
Top is provided with signal processor 25, is electrically connected between the laser emitter 23 and signal processor 25;The laser connects
The signal output end for receiving device 24 is connect with 25 signal input part signal of signal processor;It is connect by 25 recording laser of signal processor
The time difference that device 24 issues signal is received, the flying speed of movable body 4 here is being calculated according to the length of movable body 4.
The emitter 1 includes hyperbaric chamber 12, the outlet side in the hyperbaric chamber 12 and 11 inlet end of transmitting pipeline it
Between be provided with solenoid valve 13, whether solenoid valve 13 is connected to convenient for control hyperbaric chamber 12 with transmitting pipeline 11;The hyperbaric chamber 12
Tail portion is connected with high-pressure air pipe 14, is filled air from the high-pressure air pipe 14 to 12 inner cavity of hyperbaric chamber by high-pressure pump 15
Enter;The hyperbaric chamber 12 be provided with measurement chamber pressure first pressure sensor 121, first pressure sensor 121 can and
When observation hyperbaric chamber 12 in air pressure, be able to record the pressure in the hyperbaric chamber 12 when Accelerating running in transmitting pipeline 11 of movable body 4
Variation;The shape of 12 internal chamber wall of hyperbaric chamber is in gather setting to 12 outlet side arc of hyperbaric chamber;The setting of movable body 4 exists
In transmitting pipeline 11 at the one end in hyperbaric chamber 12, and the movable body 4 is arranged in oval column, 4 surface of movable body
It is coated with blacking, so that movable body is blocked the effect of laser in order to more have shaded effect movable body surface painted black
More preferably;The tail portion of the movable body 4 is provided with second pressure inductor 41, reads movement in time by second pressure inductor 41
The pressure in transmitting pipeline 11 of body 4 changes.
A kind of high-speed motion body method for testing performance: including step 1, is filled with by high-pressure pump 15 into hyperbaric chamber 12
Quantitative air makes first pressure sensor 121 sense that air pressure reaches examination criteria air pressure in hyperbaric chamber 12;
Step 2, being powered to laser detection structure enables the laser of the transmitting of laser emitter 23 to be connect by laser pickoff 24
It receives, and linear process is carried out by receive laser signal of the signal processor 25 to laser pickoff 24.
Step 3 opens the solenoid valve 13 between hyperbaric chamber 12 and transmitting pipeline 11, makes movable body 4 in the work of air pressure
Quickly through sense channel 21 under, when wherein movable body 4 passes through the first test point 22, movable body 4 shelters from laser, makes first
Laser pickoff 24 issues electrical number and swashs to signal processor 25 when movable body passes through the first test point 22 at test point 22
Optical receiver 24 receives the laser of the sending of laser emitter 23, and laser pickoff 24 stops to signal processor 25 electrically at this time
Number;The record of signal processor 25 obtains laser pickoff 24 electrical numbers time differences;
Step 4, when movable body passes through other test points, movable body 4 shelters from laser, makes laser pick-off at the test point
Device 24 issues electrical number to signal processor 25, and when movable body passes through the test point, laser pickoff 24 receives laser hair
The laser that emitter 23 issues, laser pickoff 24 stops to signal processor 25 electrical numbers at this time;Signal processor 25 records
To 24 electrical numbers time differences of laser pickoff;
Step 5 is passed through the time difference of the first test point 22 by the length and movable body of movable body 4, can calculate movement
Body 4 is reading air rushing to movable body 4 at this time by second pressure inductor 41 in the instantaneous velocity for just going out transmitting pipeline 11
Hit active force;
Step 6 successively calculates the average speed that movable body 4 passes through each test point, according to each test point distance hair
Each average speed is plotted in " distance-speed " coordinate chart by the distance for penetrating pipeline exit portal end, and with smooth song
Line is sequentially connected, and passes through the flying distance of curve prediction movable body 4.It can exist like this according to high-speed motion body is calculated
Under certain atmospheric pressure, the kinetic energy everywhere of movable body 4 and the farthest flying distance of movable body 4.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of high-speed motion body speed detection system, it is characterised in that: it include recyclable device (3), the recyclable device (3)
It include outer protection cabinet (31) and deceleration sandbox (32), the deceleration sandbox (32) is set in outer protection cabinet (31), institute
It states outer protection cabinet (31) and deceleration sandbox (32) and entry port is being set close to emitter (1) side, movable body (4) passes through
Entry port is injected into deceleration sandbox (32);It is provided with fine sand (321) in the deceleration sandbox (32), and fine sand (321) exists
Concentration in deceleration sandbox (32) is increasing along movable body (4) direction of motion;The right side of the deceleration sandbox (32)
It is arranged between outer protection cabinet (31) by elastic construction (33) elastic connection, and the elastic direction of elastic construction (33) and fortune
Kinetoplast (4) direction of motion is identical;It is provided with the first electromagnet (322) on the right side of the deceleration sandbox (32), the outer guarantor
It is provided with the second electromagnet (311) on protecting box body (31) interior right side, and in the first electromagnet (322) and the second electromagnet
(311) when being powered, repel each other setting for the first electromagnet (322) and the second electromagnet (311);
It include emitter (1) and detection device (2);The emitter (1) is provided with transmitting pipeline (11), the transmitting
The exit portal end of pipeline (11) and sense channel (21) entrance port end of detection device (2) are set together, the transmitting pipeline
(11) it is coaxially disposed with sense channel (21);It is provided with movable body (4) in the transmitting pipeline (11), movable body (4) is from transmitting
It is detected after being projected in device (1) by detection device (2), is finally recovered device (3) recycling.
2. a kind of high-speed motion body speed detection system according to claim 1, it is characterised in that: the elastic construction
It (33) include the first spring (331) and second spring (332), the second spring (332) is set in the first spring (331)
Outside, and the length of second spring (332) is greater than the first spring (331) length, and one end of first spring (331) is fixedly installed
In the right inner side wall for protecting cabinet (31) outside, the other end is vacantly arranged, and is provided on the hanging one end of the first spring (331)
Third pressure inductor (34);Right inner side wall of one end fixed setting of the second spring (332) in outer guard box body (31)
On, the other end is arranged on the right side of deceleration sandbox (32).
3. a kind of high-speed motion body speed detection system according to claim 1, it is characterised in that: the deceleration sandbox
(32) it is provided on lateral wall rolling pulley (323), the inner wall of outer protection cabinet (31) is provided with limiting groove
(312), the length direction of the limiting groove (312) is identical as deceleration sandbox (32) direction of displacement, the limiting groove (312)
Length be greater than deceleration sandbox (32) maximum displacement length;The rolling pulley (323), which rolls, to be arranged in limiting groove (312)
It is interior;When deceleration sandbox (32) is displaced to the right, rolling pulley (323) scrolls right along limiting groove (312) length direction.
4. a kind of high-speed motion body speed detection system according to claim 1, it is characterised in that: the detection device
(2) several test points are internally provided with, the first test point (22) is positioned close to the detection at the exit portal end of transmitting pipeline (11)
In channel (21), remaining several test point is successively placed equidistant with;Laser detection structure is set on several test points, it is described to swash
Light-detecting structure includes laser emitter (23) and laser pickoff (24), and the laser emitter (23) is connected through a screw thread
Be fixed on sense channel (21) side wall test point, and the transmitting terminal of laser emitter (23) vertically with sense channel (21)
Length direction emit laser;The laser pickoff (24), which is inlayed, to be arranged at the inner wall of corresponding laser irradiation.
5. a kind of high-speed motion body speed detection system according to claim 4, it is characterised in that: the detection device
(2) upper top is provided with signal processor (25), is electrically connected between the laser emitter (23) and signal processor (25)
It connects;The signal output end of the laser pickoff (24) is connect with signal processor (25) signal input part signal.
6. a kind of high-speed motion body speed detection system according to claim 1, it is characterised in that: the emitter
(1) include hyperbaric chamber (12), be provided with electromagnetism between the outlet side and transmitting pipeline (11) inlet end of the hyperbaric chamber (12)
The tail portion of valve (13), the hyperbaric chamber (12) is connected with high-pressure air pipe (14), by high-pressure pump (15) by air from described
High-pressure air pipe (14) is filled with to hyperbaric chamber (12) inner cavity;The shape of hyperbaric chamber (12) internal chamber wall is in hyperbaric chamber (12) outlet
End arc gathers setting;The movable body (4) is arranged in transmitting pipeline (11) at the one end of hyperbaric chamber (12), and described
Movable body (4) is arranged in oval column, and movable body (4) surface is coated with blacking;The tail portion of the movable body (4) is arranged
There are second pressure inductor (41).
7. a kind of high-speed motion body speed detection system according to claim 6, it is characterised in that: the hyperbaric chamber (12)
It is provided with the first pressure sensor (121) of measurement chamber pressure.
Priority Applications (1)
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CN201920144013.4U CN209387677U (en) | 2019-01-28 | 2019-01-28 | A kind of high-speed motion body speed detection system |
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CN201920144013.4U CN209387677U (en) | 2019-01-28 | 2019-01-28 | A kind of high-speed motion body speed detection system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109580980A (en) * | 2019-01-28 | 2019-04-05 | 西安工业大学 | A kind of high-speed motion body speed detection system and its detection method |
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2019
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109580980A (en) * | 2019-01-28 | 2019-04-05 | 西安工业大学 | A kind of high-speed motion body speed detection system and its detection method |
CN109580980B (en) * | 2019-01-28 | 2023-11-10 | 西安工业大学 | High-speed moving body speed detection system and detection method thereof |
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Granted publication date: 20190913 Termination date: 20210128 |
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