CN204154735U - A kind of laser velocimeter - Google Patents
A kind of laser velocimeter Download PDFInfo
- Publication number
- CN204154735U CN204154735U CN201420653561.7U CN201420653561U CN204154735U CN 204154735 U CN204154735 U CN 204154735U CN 201420653561 U CN201420653561 U CN 201420653561U CN 204154735 U CN204154735 U CN 204154735U
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- China
- Prior art keywords
- laser
- stepper motor
- processor
- receiving box
- horizontally rotate
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Abstract
The utility model discloses a kind of laser velocimeter, comprise operating case, Laser emission receiving box, horizontally rotate seat, mainframe box, holder, second stepper motor and the first stepper motor, display and input keyboard is provided with in described operating case, laser pickoff and generating laser is provided with in described Laser emission receiving box, timing circuit is provided with in mainframe box, processor and storer, described Laser emission receiving box bottom is provided with hinged ear, described horizontally rotate on seat be provided with the first stepper motor, horizontally rotate a bottom and be provided with horizontal rotating shaft, horizontally rotate seat and hinged ear in succession, described holder bottom is installed with the second stepper motor, described second stepper motor is connected with horizontal rotating shaft, described holder is provided with some fixed orifices.The utility model by the speed of generating laser measuring vehicle and can measure the distance of specified object apart from vehicle, reliable operation, and measuring accuracy is high, and equipment operating is simple, convenient.
Description
[technical field]
The utility model relates to the technical field of laser measuring equipment, particularly a kind of technical field of laser velocimeter.
[background technology]
For the outdoor off-road vehicle that some are special, travel in different complex environment of being everlasting, test the speed, range finding is the function often needing to use, for trip provides reference, current knotmeter mainly contains optical velocimeters and acoustic speedometer, these two kinds of knotmeters all belong to relative knotmeter, take speed head as reference, probing goes out the speed of testee relative to detecting head, its principle is: detecting head sends signal continuously to testee, poor according to the two-way time of twice signal, and the velocity of propagation of signal, the speed of testee relative to detecting head can be calculated, but in the process of vehicle operating, need the distance knowing certain particular location, often need extra utility appliance, can not the situation of the known speed of a motor vehicle to, measure the speed of other moving target, simultaneously can not be convenient by expanding the speed measuring equipment on vehicle, for the DATA REASONING of distance.
[utility model content]
The purpose of this utility model solves the problems of the prior art exactly, a kind of laser velocimeter is proposed, by the speed of generating laser measuring vehicle and the distance of specified object apart from vehicle can be measured, reliable operation, measuring accuracy is high, equipment operating is simple, practical and convenient, is applicable to the application of outdoor off-road vehicle.
For achieving the above object, the utility model proposes a kind of laser velocimeter, comprise operating case, Laser emission receiving box, horizontally rotate seat, mainframe box, holder, second stepper motor and the first stepper motor, display and input keyboard is provided with in described operating case, laser pickoff and generating laser is provided with in described Laser emission receiving box, timing circuit is provided with in mainframe box, processor and storer, described Laser emission receiving box bottom is provided with hinged ear, described horizontally rotate on seat be provided with the first stepper motor, horizontally rotate a bottom and be provided with horizontal rotating shaft, horizontally rotate seat and hinged ear in succession, described holder bottom is installed with the second stepper motor, described second stepper motor is connected with horizontal rotating shaft, described holder is provided with some fixed orifices.
As preferably, described hinged ear is provided with jointed shaft, and described jointed shaft is connected with the first stepper motor, and the first stepper motor drives Laser emission receiving box to rotate by jointed shaft.
As preferably, described processor is connected with generating laser, timing circuit, input keyboard and display respectively, described input keyboard can send to processor order of testing the speed or find range by manual control, and processor sends the order of timing and Laser emission respectively to timer and generating laser.
As preferably, described laser pickoff is connected with timing circuit by data line, laser pickoff sends signal to timing circuit after receiving the laser of reflection, the time that laser pickoff is received reflects laser by timing circuit sends to processor, and the data that computing draws by processor are transported to display by data line.
As preferably, described operating case is connected by data line with the second stepper motor with the first stepper motor respectively, operating case controls the first stepper motor and the second stepping electric machine rotation by data line, and Laser emission receiving box can be made to aim at different object emission laser.
The beneficial effects of the utility model: the utility model is by applying stepper motor in a device, the distance of specified object apart from vehicle can be measured more accurately, laser pickoff simultaneously in Laser emission receiving box and generating laser can the speed of measuring vehicle, equipment reliable operation, adaptability is comparatively strong, simple, convenient.
Feature of the present utility model and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the front view of a kind of laser velocimeter of the utility model;
Fig. 2 is the right view of Laser emission receiving box;
Fig. 3 is the connection diagram of Laser emission receiving box, mainframe box and operating case.
In figure: 1-operating case, 101-display, 102-input keyboard, 2-Laser emission receiving box, 21-laser pickoff, 22-generating laser, 3-horizontally rotate seat, 4-mainframe box, 41-timing circuit, 42-processor, 43-storer, 5-holder, 6-second stepper motor, the hinged ear of 7-, 8-first stepper motor.
[embodiment]
Consult Fig. 1, Fig. 2 and Fig. 3, a kind of laser velocimeter of the utility model, comprise operating case 1, Laser emission receiving box 2, horizontally rotate seat 3, mainframe box 4, holder 5, second stepper motor 6 and the first stepper motor 8, display 101 and input keyboard 102 is provided with in described operating case 1, laser pickoff 21 and generating laser 22 is provided with in described Laser emission receiving box 2, timing circuit 41 is provided with in mainframe box 4, processor 42 and storer 43, described Laser emission receiving box 2 bottom is provided with hinged ear 7, described horizontally rotate on seat 3 be provided with the first stepper motor 8, horizontally rotate seat 3 bottom and be provided with horizontal rotating shaft, horizontally rotate seat 3 and hinged ear 7 in succession, described holder 5 bottom is installed with the second stepper motor 6, described second stepper motor 6 is connected with horizontal rotating shaft, described holder 5 is provided with some fixed orifices.Described hinged ear 7 is provided with jointed shaft, and described jointed shaft is connected with the first stepper motor 8, and the first stepper motor 8 drives Laser emission receiving box 2 to rotate by jointed shaft.Described processor 42 is connected with generating laser 22, timing circuit 41, input keyboard 102 and display 101 respectively, described input keyboard 102 can send to processor 42 order of testing the speed or find range by manual control, and processor 42 sends the order of timing and Laser emission respectively to timer and generating laser 22.Described laser pickoff 21 is connected with timing circuit 41 by data line, signal is sent to timing circuit 41 after laser pickoff 21 receives the laser of reflection, the time that laser pickoff 21 is received reflects laser by timing circuit 41 sends to processor 42, and the data that computing draws by processor 42 are transported to display 101 by data line.Described operating case 1 is connected by data line with the second stepper motor 6 with the first stepper motor 8 respectively, and operating case 1 controls the first stepper motor 8 by data line and the second stepper motor 6 rotates, and Laser emission receiving box 2 can be made to aim at different object emission laser.This equipment may be used for range finding and tests the speed, can the target of people's hand-guided laser emission element, and starts Laser emission, display can show the distance of vehicle apart from emitting substance, also can show the speed of vehicle simultaneously.
Utility model works process:
A kind of laser velocimeter of the utility model in the course of the work, when needs measurement of vehicle speed is, by the input keyboard 102 on manual control operating case 1, order is sent to processor 42, processor 42 order of testing the speed sends to timing circuit 41 and generating laser 22 simultaneously, timing circuit 41 and generating laser 22 start timing and Laser emission simultaneously respectively, the position relative laser transmitter 22 that generating laser 22 irradiates is fixing, so under stationary vehicle and motion state, laser is irradiated on the certain position of relative position, because state of motion of vehicle is different, so the time of laser reflection is different, after laser pickoff 21 receives reflects laser, signal is sent to timing circuit 41, timing circuit 41 stops timing, and the last time is sent to processor 42, processor 42 by time of starting timing with finally stop the time utilization formula of timing to calculate laser running the time consumed, finally calculate the speed of vehicle, when needing the distance measuring object distance, the direction of illumination of Laser emission reception is operated by operating case 1, utilize the time of laser reflection and propagation can calculate the distance of object apart from vehicle by processor 42.
A kind of laser velocimeter of the utility model, by stepper motor is applied in a device, the distance of specified object apart from vehicle can be measured more accurately, laser pickoff 21 simultaneously in Laser emission receiving box 2 and generating laser 22 can the speed of measuring vehicle, equipment reliable operation, strong adaptability, simple to operation.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, anyly all belongs to protection domain of the present utility model to the scheme after the utility model simple transformation.
Claims (5)
1. a laser velocimeter, it is characterized in that: comprise operating case (1), Laser emission receiving box (2), horizontally rotate seat (3), mainframe box (4), holder (5), second stepper motor (6) and the first stepper motor (8), display (101) and input keyboard (102) is provided with in described operating case (1), laser pickoff (21) and generating laser (22) is provided with in described Laser emission receiving box (2), timing circuit (41) is provided with in mainframe box (4), processor (42) and storer (43), described Laser emission receiving box (2) bottom is provided with hinged ear (7), described horizontally rotate on seat (3) be provided with the first stepper motor (8), horizontally rotate seat (3) bottom and be provided with horizontal rotating shaft, horizontally rotate seat (3) and hinged ear (7) in succession, described holder (5) bottom is installed with the second stepper motor (6), described second stepper motor (6) is connected with horizontal rotating shaft, (5) are provided with some fixed orifices with described holder.
2. a kind of laser velocimeter as claimed in claim 1, it is characterized in that: described hinged ear (7) is provided with jointed shaft, described jointed shaft is connected with the first stepper motor (8), and the first stepper motor (8) drives Laser emission receiving box (2) to rotate by jointed shaft.
3. a kind of laser velocimeter as claimed in claim 1, it is characterized in that: described processor (42) is connected with generating laser (22), timing circuit (41), input keyboard (102) and display (101) respectively, described input keyboard (102) can send to processor (42) order of testing the speed or find range by manual control, and processor (42) sends the order of timing and Laser emission respectively to timer and generating laser (22).
4. a kind of laser velocimeter as claimed in claim 1, it is characterized in that: described laser pickoff (21) is connected with timing circuit (41) by data line, signal is sent to timing circuit (41) after laser pickoff (21) receives the laser of reflection, the time that laser pickoff (21) receives reflects laser is sent to processor (42) by timing circuit (41), and the data that computing draws by processor (42) are transported to display (101) by data line.
5. a kind of laser velocimeter as claimed in claim 1, it is characterized in that: described operating case (1) is connected by data line with the second stepper motor (6) with the first stepper motor (8) respectively, operating case (1) controls the first stepper motor (8) by data line and rotates with the second stepper motor (6), and Laser emission receiving box (2) can be made to aim at different object emission laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420653561.7U CN204154735U (en) | 2014-10-31 | 2014-10-31 | A kind of laser velocimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420653561.7U CN204154735U (en) | 2014-10-31 | 2014-10-31 | A kind of laser velocimeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204154735U true CN204154735U (en) | 2015-02-11 |
Family
ID=52512839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420653561.7U Expired - Fee Related CN204154735U (en) | 2014-10-31 | 2014-10-31 | A kind of laser velocimeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204154735U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104714046A (en) * | 2015-03-06 | 2015-06-17 | 周家军 | Speed measurement method and device adopting clock pulse counter |
| CN106595942A (en) * | 2016-07-25 | 2017-04-26 | 北京卫星环境工程研究所 | Dynamic measuring device of micro force |
| CN107703327A (en) * | 2017-10-30 | 2018-02-16 | 西安工业大学 | A kind of laser velocimeter device and its application method for measuring liquid or gas flow rate |
-
2014
- 2014-10-31 CN CN201420653561.7U patent/CN204154735U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104714046A (en) * | 2015-03-06 | 2015-06-17 | 周家军 | Speed measurement method and device adopting clock pulse counter |
| CN106595942A (en) * | 2016-07-25 | 2017-04-26 | 北京卫星环境工程研究所 | Dynamic measuring device of micro force |
| CN106595942B (en) * | 2016-07-25 | 2019-06-07 | 北京卫星环境工程研究所 | The dynamic measurement device of small power |
| CN107703327A (en) * | 2017-10-30 | 2018-02-16 | 西安工业大学 | A kind of laser velocimeter device and its application method for measuring liquid or gas flow rate |
| CN107703327B (en) * | 2017-10-30 | 2023-05-09 | 西安工业大学 | Laser velocity measuring device for measuring liquid or gas flow velocity and application method thereof |
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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: 20150211 Termination date: 20151031 |
|
| EXPY | Termination of patent right or utility model |