CN205157780U - Laser height finding range unit - Google Patents
Laser height finding range unit Download PDFInfo
- Publication number
- CN205157780U CN205157780U CN201520966185.1U CN201520966185U CN205157780U CN 205157780 U CN205157780 U CN 205157780U CN 201520966185 U CN201520966185 U CN 201520966185U CN 205157780 U CN205157780 U CN 205157780U
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- Prior art keywords
- laser
- adjustable base
- cylindrical mirror
- adjustable
- laser beam
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Abstract
The utility model discloses a laser height finding range unit, including arranging laser signal generating module (100) and the laser signal reception module (200) of measuring the culmination and measuring the nadir respectively in, the visible collimated laser beam of messenger incides on the face of cylinder with certain angle, its reflected laser beam is along with the increase of distance, the minor axis diameter is unchangeable, and the length of major axis can be increasing, the length of major axis is measured through the CCD camera, can be in order can be regarded as the distance between laser entry point and the acceptance point, and through the angle parameter and then obtain probe distance and the height between 2. The utility model provides a laser height finding range unit, easy operation, the height finding of being convenient for between two remote measuring points is found range.
Description
Technical field
The utility model relates to technical field of measuring equipment, particularly a kind of laser-measured height distance measuring equipment.
Background technology
Laser range finder is a kind of widely used instrument, the principle of present laser stadimeter allows laser instrument launch a beam pulse or continuous print laser irradiation to target to be measured, after certain hour, laser beam irradiation is to target to be measured and reflected, and is then received by stadimeter, is multiplied by the light velocity and can obtains the distance of stadimeter and target to be measured divided by two with the time, but, this kind of laser range finder measures the laser energy after reflection, optical length, and measuring distance is restricted; In addition, when the distance is greater, adopt this kind of laser range finder that incoming laser beam must be made vertical with target surface to be measured to strengthen reflected light, increase measurement difficulty.
Utility model content
In order to solve the problem of prior art, the utility model object is to provide a kind of laser-measured height distance measuring equipment, and its structure is simple, is convenient to the measuring height and distance between remote two measurement points.
Based on the problems referred to above, the technical scheme that the utility model provides is:
Laser-measured height distance measuring equipment, comprises the laser signal generation module and the laser signal receiver module that are placed in respectively and measure high point and measure low spot;
Described laser signal generation module comprises laser instrument, the first adjustable base and is arranged on cylindrical mirror, the first level meter, the first inclinometer and the sender unit on described first adjustable base, described cylindrical mirror and described laser relative are arranged, described first level meter, the first inclinometer are connected with described sender unit signal, and the bottom of described first adjustable base is provided with the first adjustable supports;
Described laser signal receiver module comprises the second adjustable base and is arranged on microcomputer, signal receiver, the second level meter, the second inclinometer and the CCD camera for receiving the laser beam reflection light beam that laser instrument exports on described second adjustable base, described CCD camera and described cylindrical mirror are oppositely arranged, described CCD camera, signal receiver are electrically connected with described micro-calculating, and the bottom of described second adjustable base is provided with the second adjustable supports;
The section tangent with described cylindrical mirror minute surface is vertical with described first adjustable base, the intersection of described section and described cylindrical mirror is the incident bus of described cylindrical mirror, the center line of described laser output laser beam is crossing with incident bus, and the plane orthogonal at the center line of described laser beam and the center line place of reflection lasering beam is in incident bus.
In an embodiment wherein, described laser instrument is helium-neon laser, and the laser beam that described laser instrument sends is diametrically 0.5 ~ 2 millimeter cylindric, and the power of described laser beam is 1 ~ 5 milliwatt.
In an embodiment wherein, through described incident bus and the face vertical with described section is the normal plane of described cylindrical mirror, the center line of described laser beam and the angle of described normal plane are 15 ~ 30 degree.
In an embodiment wherein, when described first adjustable base and described second adjustable base are in horizontality, the laser signal receiving plane of described CCD camera and the angle of vertical guide equal the incident angle that described laser beam center line incides described cylindrical mirror.
In an embodiment wherein, described first adjustable supports and described second adjustable supports comprise four adjustable support foots respectively.
The measuring method of laser-measured height distance measuring equipment, comprises the following steps:
(1) laser signal generation module is placed on the higher measurement point in position, laser signal receiver module is placed on the lower measurement point in position, by CCD camera towards cylindrical mirror;
(2) regulating the first adjustable supports bottom the first adjustable base, by reading the numerical value of the first level meter, the first adjustable base being adjusted to level; Regulating the second adjustable supports bottom the second adjustable base, by reading the numerical value of the second level meter, the second adjustable base being adjusted to level;
(3) laser instrument is opened, the laser beam that laser instrument sends is irradiated to cylindrical mirror, regulate the first adjustable supports that the first adjustable base is rotated around Y-axis, make laser beam reflection to CCD camera, the angle β of now the first adjustable base and surface level is read by the first inclinometer, the angle parameter β of the first adjustable base and surface level is sent to signal receiver by sender unit, angle parameter β is sent to microcomputer by data line and shows by signal receiver, regulate the second adjustable supports that the second adjustable base is rotated around Y-axis according to angle parameter β, make the angular values of the second inclinometer display consistent with β,
(4) obtain the length r ' of oval hot spot major axis in CCD camera, calculate air line distance d, the horizontal range d between two measurement points by microcomputer
xand relative height h, computing formula is:
d
x＝d*cos(α-β)
h＝d*sin(α-β)
In formula:
α, the angle of incoming laser beam and the first adjustable base place plane;
β, the angle of the first adjustable base and surface level after step (3) regulates;
R, the diameter of incoming laser beam;
R ', the length of oval hot spot major axis in CCD camera;
R, the diameter on the cylindrical mirror face of cylinder;
D, the air line distance between two measurement points;
D
x, the horizontal range between two measurement points;
H, the relative height between two measurement points.
Principle of work of the present utility model is: visible collimated laser beam is incided on the face of cylinder at a certain angle, its reflection lasering beam is along with the increase of distance, minor axis diameter is constant, and the length of major axis can be increasing, the length of major axis is measured by CCD camera, namely the distance between laser incidence point and acceptance point can be calculated to obtain, and by the horizontal range between angle parameter and then acquisition 2 and height.
Compared with prior art, the utility model has the advantages that:
Adopt the technical solution of the utility model, this apparatus structure is simple, easy to operate, is applicable to the measuring height and distance between two measurement points that are remote, height greatly.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model laser-measured height distance measuring equipment embodiment;
Fig. 2 is the schematic diagram of cylindrical mirror in the utility model embodiment;
Fig. 3 is the schematic diagram of each parameter in computing formula in the utility model;
Wherein:
100, laser signal generation module; 101, laser instrument; 102, laser beam; 103, cylindrical mirror; 103a, section; 103b, normal plane; 103c, incident bus; 104, the first level meter; 105, the first inclinometer; 106, sender unit; 107, the first adjustable base; 108, the first adjustable supports;
200, laser signal receiver module; 201, CCD camera; 202, microcomputer; 203, data line; 204, signal receiver; 205, the second level meter; 206, the second inclinometer; 207, the second adjustable base; 208, the second adjustable supports;
α, the angle of incoming laser beam and the first adjustable base place plane;
β, the angle of the first adjustable base and surface level;
R, the diameter of incoming laser beam;
R ', the length of oval hot spot major axis in CCD camera;
R, the diameter on the cylindrical mirror face of cylinder.
Embodiment
Below in conjunction with specific embodiment, such scheme is described further.Should be understood that these embodiments are not limited to for illustration of the utility model limit scope of the present utility model.The implementation condition adopted in embodiment can do further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.
See Fig. 1-2, for structural representation of the present utility model, a kind of laser-measured height distance measuring equipment is provided, comprise the laser signal generation module 100 and the laser signal receiver module 200 that are placed in respectively and measure high point and measure low spot, wherein laser signal generation module 100 comprises laser instrument 101, first adjustable base 107 and the cylindrical mirror 103 be arranged on the first adjustable base 107, first level meter 104, first inclinometer 105 and sender unit 106, cylindrical mirror 103 and laser instrument 101 are oppositely arranged, first level meter 104 is all connected with sender unit 106 signal with the first inclinometer 105, the first adjustable supports 108 is provided with in the bottom of the first adjustable base 107, first adjustable supports 108 comprises four adjustable support foots, laser signal receiver module 200 comprises the second adjustable base 207 and is arranged on microcomputer 202, signal receiver 204, second level meter 205, second inclinometer 206 and the CCD camera 201 on the second adjustable base 207, wherein CCD camera 201 and cylindrical mirror 103 are oppositely arranged the folded light beam for receiving laser beam 102, CCD camera 201, signal receiver 204 are electrically connected with microcomputer 202, be provided with the second adjustable supports 208, second adjustable supports 208 in the bottom of the second adjustable base 207 and comprise four adjustable support foots.
The section 103a tangent with cylindrical mirror 103 minute surface is vertical with the first adjustable base 107, the intersection of this section 103a and cylindrical mirror 103 is the incident bus 103c of cylindrical mirror 103, the center line of the laser beam 102 that laser instrument 101 exports is crossing with incident bus 103c, and the plane orthogonal at the center line of laser beam 102 and the center line place of reflection lasering beam is in incident bus 103c.
For the ease of the calculating of measuring height and distance, when the first adjustable base 107 and the second adjustable base 207 are in horizontality, the laser signal receiving plane of CCD camera 201 and the angle of vertical guide equal the incident angle that laser beam 102 center line incides cylindrical mirror 103.
In this example, laser instrument 101 is helium-neon laser, and the laser beam 102 that laser instrument 101 sends is diametrically 0.5 ~ 2 millimeter cylindric, and the power of laser beam 102 is 1 ~ 5 milliwatt.
Through incident bus 103c and the face vertical with section 103a is the normal plane 103b of cylindrical mirror 103, the center line of laser beam 102 and the angle of normal plane 103b are 15 ~ 30 degree.
The measuring method of laser-measured height distance measuring equipment in the utility model, comprises the following steps:
(1) laser signal generation module 100 is placed on the higher measurement point in position, laser signal receiver module 200 is placed on the lower measurement point in position, by CCD camera 201 towards cylindrical mirror 103;
(2) regulating the first adjustable supports 108 bottom the first adjustable base 107, by reading the numerical value of the first level meter 104, the first adjustable base 107 being adjusted to level; Regulating the second adjustable supports 208 bottom the second adjustable base 207, by reading the numerical value of the second level meter 205, the second adjustable base 207 being adjusted to level;
(3) laser instrument 101 is opened, the laser beam 102 that laser instrument 101 sends is irradiated to cylindrical mirror 103, regulate the first adjustable supports 108 that first adjustable base 107 is rotated around Y-axis, laser beam 102 is made to reflex to CCD camera 201, the angle β of now the first adjustable base 107 and surface level is read by the first inclinometer 105, first adjustable base 107 is sent to signal receiver 204 with the angle parameter β of surface level by sender unit 106, angle parameter β is sent to microcomputer 202 by data line 203 and shows by signal receiver 204, regulate the second adjustable supports 208 that second adjustable base 207 is rotated around Y-axis according to angle parameter β, the angular values that second inclinometer 206 is shown is consistent with β,
(4) obtain the length r ' of oval hot spot major axis in CCD camera 201, calculate air line distance d, the horizontal range d between two measurement points by microcomputer 202
xand relative height h, computing formula is:
d
x＝d*cos(α-β)
h＝d*sin(α-β)
In computing formula, each parameter as shown in Figure 3
In formula:
α, the angle of incoming laser beam and the first adjustable base place plane;
β, the angle of the first adjustable base and surface level after step (3) regulates;
R, the diameter of incoming laser beam;
R ', the length of oval hot spot major axis in CCD camera;
R, the diameter on the cylindrical mirror face of cylinder;
D, the air line distance between two measurement points;
D
x, the horizontal range between two measurement points;
H, the relative height between two measurement points.
Above-mentioned example, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art person can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalent transformations of doing according to the utility model Spirit Essence or modification, all should be encompassed within protection domain of the present utility model.
Claims (5)
1. laser-measured height distance measuring equipment, is characterized in that: comprise the laser signal generation module (100) and the laser signal receiver module (200) that are placed in respectively and measure high point and measure low spot;
Described laser signal generation module (100) comprises laser instrument (101), first adjustable base (107), and the cylindrical mirror (103) be arranged on described first adjustable base (107), first level meter (104), first inclinometer (105) and sender unit (106), described cylindrical mirror (103) and described laser instrument (101) are oppositely arranged, described first level meter (104), first inclinometer (105) is connected with described sender unit (106) signal, the bottom of described first adjustable base (107) is provided with the first adjustable supports (108),
Described laser signal receiver module (200) comprises the second adjustable base (207), and the microcomputer (202) be arranged on described second adjustable base (207), signal receiver (204), second level meter (205), second inclinometer (206) and the CCD camera (201) for the folded light beam that receives laser instrument (101) outgoing laser beam (102), described CCD camera (201) and described cylindrical mirror (103) are oppositely arranged, described CCD camera (201), signal receiver (204) is electrically connected with described microcomputer (202), the bottom of described second adjustable base (207) is provided with the second adjustable supports (208),
The section (103a) tangent with described cylindrical mirror (103) minute surface is vertical with described first adjustable base (107), described section (103a) and the intersection of described cylindrical mirror (103) are the incident bus (103c) of described cylindrical mirror (103), the center line of described laser instrument (101) outgoing laser beam (102) is crossing with incident bus (103c), and the plane orthogonal at the center line of described laser beam (102) and the center line place of reflection lasering beam is in incident bus (103c).
2. laser-measured height distance measuring equipment according to claim 1, it is characterized in that: described laser instrument (101) is helium-neon laser, the laser beam (102) that described laser instrument (101) sends is diametrically 0.5 ~ 2 millimeter cylindric, and the power of described laser beam (102) is 1 ~ 5 milliwatt.
3. laser-measured height distance measuring equipment according to claim 2, it is characterized in that: through described incident bus (103c) and the face vertical with described section (103a) is the normal plane (103b) of described cylindrical mirror (103), the center line of described laser beam (102) and the angle of described normal plane (103b) are 15 ~ 30 degree.
4. laser-measured height distance measuring equipment according to claim 1, it is characterized in that: when described first adjustable base (107) and described second adjustable base (207) are in horizontality, the laser signal receiving plane of described CCD camera (201) and the angle of vertical guide equal the incident angle that described laser beam (102) center line incides described cylindrical mirror (103).
5. laser-measured height distance measuring equipment according to claim 1, is characterized in that: described first adjustable supports (108) and described second adjustable supports (208) comprise four adjustable support foots respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520966185.1U CN205157780U (en) | 2015-11-27 | 2015-11-27 | Laser height finding range unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520966185.1U CN205157780U (en) | 2015-11-27 | 2015-11-27 | Laser height finding range unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205157780U true CN205157780U (en) | 2016-04-13 |
Family
ID=55693459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520966185.1U Withdrawn - After Issue CN205157780U (en) | 2015-11-27 | 2015-11-27 | Laser height finding range unit |
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|---|---|
| CN (1) | CN205157780U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334509A (en) * | 2015-11-27 | 2016-02-17 | 盐城工学院 | Laser height and distance measuring device and method |
| CN107591757A (en) * | 2017-09-22 | 2018-01-16 | 浩翔电气集团有限公司 | One kind improves the linear installation method of wind power bus |
| CN108917704A (en) * | 2018-08-09 | 2018-11-30 | 中海石油(中国)有限公司 | Based on hull freedom degree offshore drilling blowout fluid liquid-column height measurement method |
-
2015
- 2015-11-27 CN CN201520966185.1U patent/CN205157780U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334509A (en) * | 2015-11-27 | 2016-02-17 | 盐城工学院 | Laser height and distance measuring device and method |
| CN105334509B (en) * | 2015-11-27 | 2017-07-25 | 盐城工学院 | Laser-measured height range unit and measuring method |
| CN107591757A (en) * | 2017-09-22 | 2018-01-16 | 浩翔电气集团有限公司 | One kind improves the linear installation method of wind power bus |
| CN108917704A (en) * | 2018-08-09 | 2018-11-30 | 中海石油(中国)有限公司 | Based on hull freedom degree offshore drilling blowout fluid liquid-column height measurement method |
| CN108917704B (en) * | 2018-08-09 | 2021-07-13 | 中海石油(中国)有限公司 | Offshore drilling blowout fluid liquid column height measuring method based on hull degree of freedom |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160413 Effective date of abandoning: 20170725 |