CN208833793U - A kind of laser bullet speed measuring instrument - Google Patents
A kind of laser bullet speed measuring instrument Download PDFInfo
- Publication number
- CN208833793U CN208833793U CN201821356907.1U CN201821356907U CN208833793U CN 208833793 U CN208833793 U CN 208833793U CN 201821356907 U CN201821356907 U CN 201821356907U CN 208833793 U CN208833793 U CN 208833793U
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- laser
- module
- receiving unit
- measuring instrument
- transmitting
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Abstract
The utility model discloses a kind of laser bullet speed measuring instruments, including the first power module 1, first laser emits receiving unit, second laser emits receiving unit, host module 10 and second power supply module 14, it includes first laser transmitting module 2 and first laser receiving module 4 that first laser, which emits receiving unit, it includes second laser transmitting module 3 and second laser receiving module 5 that second laser, which emits receiving unit, first laser transmitting module 2 includes multiple laser emitters 6 arranged side by side, first laser receiving module 4 includes multiple laser pickoffs 8 arranged side by side, first laser transmitting module 2 and first laser receiving module 4 are oppositely arranged and spaced apart, laser emitter 6 is identical with the quantity of laser pickoff 8 and each laser emitter 6 and the laser pickoff 8 of cooperation are correspondingly arranged, this reality It is high with novel operating convenience, service life length, stability number, precision, and can satisfy the demand of field trial.
Description
Technical field
The utility model relates to speed measurement techniques field more particularly to a kind of laser bullet speed measuring instruments.
Background technique
Currently, using insulating materials between the double-deck tinfoil using the speed in the double-deck tinfoil method measurement bullet flight course
It is isolated, the double-deck tinfoil contacts to form electric signal after projectile impact, measures the time difference of certain distance, obtains bullet flying speed.
This test method, complicated for operation, precision is lower, and performance is unstable, can not reuse, it is easy to not detect data or survey
It is larger to data error.
Utility model content
Shortcoming present in technology of the purpose of this utility model aiming at the prior art and a kind of knot proposed
Structure is simple and convenient to operate, measures laser bullet speed measuring instrument accurate, being recycled.
Realize the technical solution of the utility model aim are as follows: a kind of laser bullet speed measuring instrument, the measuring instrument include:
First power module, first laser transmitting receiving unit, second laser transmitting receiving unit, host module and second source mould
Block, first laser transmitting receiving unit include first laser transmitting module and first laser receiving module, and second laser transmitting connects
Receiving unit includes second laser transmitting module and second laser receiving module, the first laser transmitting module include it is multiple side by side
The laser emitter of setting, the first laser receiving module include multiple laser pickoffs arranged side by side, and described first swashs
Optical transmitter module and first laser receiving module are oppositely arranged and spaced apart, the laser emitter and laser pickoff
Quantity it is identical and each laser emitter and the laser pickoff of cooperation are correspondingly arranged, the first laser transmitting receives single
Member distance s identical and between the two with the second laser transmitting structure of receiving unit, first power module and first laser
Transmitting module is connected with second laser transmitting module, the first laser receiving module and second laser receiving module and host mould
Block connection, the second power supply module are connect with host module.
Further, the first laser transmitting module, first laser receiving module, second laser transmitting module and second
Laser pick-off module respectively includes laser spacing adjusting device, can be adjusted by the laser spacing adjusting device multiple sharp
The spacing between spacing or multiple laser pickoffs between optical transmitting set.
Further, the laser spacing adjusting device includes that part accommodates multiple laser emitters or laser pickoff
Sliding slot and the bolt and nut fixed structure for being horizontally through laser emitter or laser pickoff and sliding slot setting, it is each to swash
Optical transmitting set or laser pickoff correspond to a bolt and nut fixed structure.
Further, the host module includes display module, input module and processing module.
Further, the laser emitter uses semiconductor laser, and the laser pickoff uses phototriode.
Further, the processing module is single-chip microcontroller, and input module is digital analog converter, and display module is liquid crystal display
Device.
Further, the laser bullet speed measuring instrument further includes the target that second laser transmitting receiving unit side is arranged in
Plate.
The utility model compared with prior art, advantage are as follows:
(1) easy to operate, service life is long, stability number, precision are high, and can satisfy the demand of field trial；
(2) by the spacing between the adjustable adjacent laser beams of laser spacing adjusting device, to guarantee that the spacing is small
In the outer diameter of test bullet, so that the applicable different size of bullet of the utility model tests the speed.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model
Point.Below with reference to accompanying drawings, the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the floor plan of the utility model laser bullet speed measuring instrument.
Fig. 2 is the arrangement and connection figure that the utility model first laser emits receiving unit.
Fig. 3 is that the utility model first laser emits receiving unit structure fractionation schematic diagram.
Specific embodiment
With reference to the accompanying drawings of the specification, the utility model is further described.
Referring to Fig. 1-3, a kind of laser bullet speed measuring instrument, the measuring instrument includes: the first power module 1, first laser hair
It penetrates receiving unit, second laser transmitting receiving unit, host module 10 and second power supply module 14, first laser transmitting and receives single
Member includes first laser transmitting module 2 and first laser receiving module 4, and second laser transmitting receiving unit includes second laser hair
Module 3 and second laser receiving module 5 are penetrated, the first laser transmitting module 2 includes multiple laser emitters arranged side by side
6, the first laser receiving module 4 includes multiple laser pickoffs 8 arranged side by side, 2 He of first laser transmitting module
First laser receiving module 4 is oppositely arranged and spaced apart, the quantity phase of the laser emitter 6 and laser pickoff 8
With and each laser emitter 6 and the laser pickoff 8 of cooperation be correspondingly arranged, the first laser transmitting receiving unit and the
The structure that dual-laser emits receiving unit is identical and distance s between the two, first power module 1 emit mould with first laser
Block 2 and the connection of second laser transmitting module 3, the first laser receiving module 4 and second laser receiving module 5 and host module
10 connections, the second power supply module 14 are connect with host module 10.
Further, the first laser transmitting module 2, first laser receiving module 4,3 and of second laser transmitting module
Second laser receiving module 5 respectively includes laser spacing adjusting device 15, can by the laser spacing adjusting device 15
The spacing between multiple laser emitters 6 or the spacing between multiple laser pickoffs 8 are adjusted, the purpose for the arrangement is that different
Bullet is in different size, and lesser bullet is needed the spacing between laser emitter 6 and between multiple laser pickoffs 8
Spacing turn down it is some be less than bullet outer diameters, laser will necessarily be blocked without adjacent from two beams by guaranteeing that bullet is flown in this way
Laser between pass through.
Further, the laser spacing adjusting device 15 includes that part accommodates multiple laser emitters 6 or laser pick-off
The sliding slot of device 8 and the bolt and nut fixed knot for being horizontally through laser emitter 6 or laser pickoff 8 and sliding slot setting
Structure, each laser emitter 6 or laser pickoff 8 correspond to a bolt and nut fixed structure, when needed, by bolt
Nut fixed structure removes, and laser emitter 6 or laser pickoff 8 is moved in the sliding slot to reduce adjacent laser hair
Spacing between emitter 6 or laser pickoff 8 to meet measurement request, distance regulate after again by bolt and nut fixed structure
Installation is to fix laser emitter 6 and laser pickoff 8 according to the distance of setting.
Further, the host module 10 includes display module 11, input module 12 and processing module 13.
Further, the laser emitter 6 uses semiconductor laser, and the laser pickoff 8 uses PT204 light
Quick triode, the phototriode, signal is detected when there is laser to be blocked, and is sent to processing module, by optical signal
It is converted into electric signal, logical relation is "or" between the laser pickoff in laser pick-off module, that is, has a laser pick-off mould
Block is not received by laser.
Further, the processing module 13 is STC89C52 type single-chip microcontroller, and input module 12 is digital analog converter, display
Module is liquid crystal display.
Further, the laser bullet speed measuring instrument further includes the target plate that second laser transmitting receiving unit side is arranged in
17。
A kind of speed-measuring method according to laser bullet speed measuring instrument described above, comprising the following steps:
Step 1: bullet 16 is injected from first laser transmitting receiving unit side, the bullet 16 is passing through described the
The laser that any laser emitter 6 when one Laser emission receiving unit in first laser transmitting receiving unit issues is by bullet 16
It blocks, first laser receiving module 4 transmits a signal to host module 10, and processing module 13 starts timing；
Step 2: the bullet 16 continues second laser transmitting when flight emits receiving unit across the second laser and connects
It receives the laser that any laser emitter 6 in unit issues to be blocked by bullet 16, second laser transmitting module 3 transmits a signal to
Host module 10,13 timing of processing module terminate, time difference t；
Step 3: the first laser is emitted by receiving unit by input module 12 and second laser emits receiving unit
Between distance s input processing module 13, processing module 13 calculate bullet velocity v simultaneously shown by display module, the son
Bullet speed v calculation formula is v=s/t.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of laser bullet speed measuring instrument, which is characterized in that the measuring instrument includes: the first power module (1), first laser hair
Receiving unit, second laser transmitting receiving unit, host module (10) and second power supply module (14), first laser transmitting is penetrated to connect
Receiving unit includes first laser transmitting module (2) and first laser receiving module (4), and second laser emits receiving unit and includes the
Dual-laser transmitting module (3) and second laser receiving module (5), the first laser transmitting module (2) include multiple setting side by side
The laser emitter (6) set, the first laser receiving module (4) includes multiple laser pickoffs arranged side by side (8), described
First laser transmitting module (2) and first laser receiving module (4) are oppositely arranged and spaced apart, the laser emitter
(6) laser pickoff (8) of laser emitter (6) identical and each with the quantity of laser pickoff (8) and cooperation correspondence is set
It sets, the structure of first laser transmitting receiving unit and second laser transmitting receiving unit is identical and distance s between the two, institute
It states the first power module (1) to connect with first laser transmitting module (2) and second laser transmitting module (3), the first laser
Receiving module (4) and second laser receiving module (5) are connect with host module (10), the second power supply module (14) and host
Module (10) connection.
2. laser bullet speed measuring instrument according to claim 1, which is characterized in that the first laser transmitting module (2),
One laser pick-off module (4), second laser transmitting module (3) and second laser receiving module (5) respectively include laser spacing
Regulating device (15) can adjust the spacing between multiple laser emitters (6) by the laser spacing adjusting device (15)
Or the spacing between multiple laser pickoffs (8).
3. laser bullet speed measuring instrument according to claim 2, which is characterized in that laser spacing adjusting device (15) packet
Part is included to accommodate the sliding slot of multiple laser emitters (6) or laser pickoff (8) and be horizontally through laser emitter (6) or swash
The bolt and nut fixed structure of optical receiver (8) and sliding slot setting, each laser emitter (6) or laser pickoff (8)
Correspond to a bolt and nut fixed structure.
4. laser bullet speed measuring instrument according to claim 1-3, which is characterized in that host module (10) packet
Include display module (11), input module (12) and processing module (13).
5. laser bullet speed measuring instrument according to claim 4, which is characterized in that the laser emitter (6) uses and partly leads
Body laser, the laser pickoff (8) use phototriode.
6. laser bullet speed measuring instrument according to claim 5, which is characterized in that the processing module (13) is single-chip microcontroller,
Input module (12) is digital analog converter, and display module is liquid crystal display.
7. laser bullet speed measuring instrument according to claim 1, which is characterized in that the laser bullet speed measuring instrument further includes setting
Set the target plate (17) in second laser transmitting receiving unit side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821356907.1U CN208833793U (en) | 2018-08-22 | 2018-08-22 | A kind of laser bullet speed measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821356907.1U CN208833793U (en) | 2018-08-22 | 2018-08-22 | A kind of laser bullet speed measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208833793U true CN208833793U (en) | 2019-05-07 |
Family
ID=66309989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821356907.1U Expired - Fee Related CN208833793U (en) | 2018-08-22 | 2018-08-22 | A kind of laser bullet speed measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208833793U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109212251A (en) * | 2018-08-22 | 2019-01-15 | 南京理工大学 | A kind of laser bullet speed measuring instrument and its speed-measuring method |
-
2018
- 2018-08-22 CN CN201821356907.1U patent/CN208833793U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109212251A (en) * | 2018-08-22 | 2019-01-15 | 南京理工大学 | A kind of laser bullet speed measuring instrument and its speed-measuring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xing Huadao Inventor after: Wen Zhu Inventor after: Gao Fei Inventor after: Han Songtong Inventor before: Xing Huadao Inventor before: Qiu Yanyu Inventor before: Wen Zhu Inventor before: Han Songtong Inventor before: Gao Fei |
|
| CB03 | Change of inventor or designer information | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190507 Termination date: 20200822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |