CN104714219A - Laser ranging sensor protection cover and laser range finder - Google Patents
Laser ranging sensor protection cover and laser range finder Download PDFInfo
- Publication number
- CN104714219A CN104714219A CN201510168067.0A CN201510168067A CN104714219A CN 104714219 A CN104714219 A CN 104714219A CN 201510168067 A CN201510168067 A CN 201510168067A CN 104714219 A CN104714219 A CN 104714219A
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- laser
- laser range
- hole
- range sensor
- base plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The invention discloses a laser ranging sensor protection cover, and relates to the technical field of an optical electronic instrument. The protection cover comprises a cover body and a bottom support seat, wherein the cover body comprises a groove-shaped lower bottom, an arc-shaped upper cover covering the upper part of the lower bottom, a laser panel fixedly arranged at the front end part of the lower bottom, and a rear cover fixedly arranged at the rear end part of the lower bottom; the lower bottom comprises a base plate and side plates which are arranged at two sides of the base plate and are integrally formed with the base plate; a hole is formed in the laser panel and laser can run through the hole; and a drainage device is arranged on the base plate of the lower bottom. The laser ranging sensor protection cover has the following beneficial effects that by replacing a conventional integral glass panel with the laser panel with the hole, the laser can run through the hole without barriers, so that the actual range of a sensor is improved, the interference degree of sunlight is reduced, and the waterproof performance of the protection cover is taken into consideration as well.
Description
Technical field
The present invention relates to optical electronic equipment technical field, particularly laser range sensor protective cover and laser range finder.
Background technology
At present, along with optical technology, the development such as electronic technology, distant-range high-precision laser range finder starts to be applied to gradually among slope monitoring system, but along with the deep application of this technology, there is increasing application problem, such as equipment water resistance and waterproof construction light transmission are difficult to the problem be in harmonious proportion, prior art is in order to ensure that the water resistance of laser range finder is at the outside mounting casing of laser range sensor, shell in laser range finder front end adopts glass isolation rainwater, although ensure that the water resistance of instrument, but high degree reduces the actual range of laser sensor, range is dropped to about 60 meters from 150 meters, consider road width, side slope angle, the usual monitoring distance of problem such as height are more than 100 meters, therefore laser range finder is caused to be applied to effect in slope monitoring system undesirable, if select the laser range finder of greater amount journey, greatly use cost can be increased again.Simultaneously because laser range finder is optical instrument, affect seriously by sunshine, existing laser range finder, usually cannot obtain Monitoring Data by day, cause have dropped over half by monitoring period, be unfavorable for rig-site utilization; Existing laser range finder affects owing to being subject to sunlight, waterproof construction etc., after monitoring effect is affected, must at monitored site setting Special light reflecting marker, and the high slope region causing some to be difficult to arrive cannot utilize this technology to monitor.
In sum; be necessary to design a kind of actual range improving laser range sensor; reduce the interference of laser range sensor by sunlight, improve laser range sensor protective cover and the laser range finder of the monitoring time of laser range sensor, to solve the problem.
Summary of the invention
In view of this; the technical problem to be solved in the present invention is to provide a kind of laser range sensor protective cover and laser range finder; improve the actual range of laser range sensor, reduce the impact of laser range sensor by sunlight, improve the monitoring time of laser range sensor.
The present invention is solved the problems of the technologies described above by following technological means:
The invention provides a kind of laser range sensor protective cover; comprise cover body and bottom support bracket; described cover body comprises the going to the bottom of groove type, cover arc upper cover on described top of going to the bottom, be fixed on described in go to the bottom the laser panel of leading section and the bonnet of rearward end of going to the bottom described in being fixed on; described going to the bottom comprises integrated base plate and the side plate in base plate both sides; described laser panel is provided with the hole that the laser of laser transmitter projects and reception can be made to pass, described in the base plate of going to the bottom be provided with drainage arrangement for draining.
The hole that when laser panel is provided with, laser passes through, without any barrier in the way of transmitting and receiving, laser can not be decayed, and improves the actual range of laser range sensor.Laser panel is light tight, although have the hole making laser pass, sunlight inlet is little, and laser range sensor affects less by sunlight, do not affect the monitoring time of laser range sensor.Even if there is a small amount of rain to enter into protective cover, rainwater is discharged to protective cover outside by drainage arrangement.
Further, described drainage arrangement is included in the base plate central longitudinal of going to the bottom to being at least provided with a weather board higher than base plate, the guide rail for placing laser range sensor is provided with in the symmetria bilateralis of described weather board, the height of described guide rail is higher than the height of weather board, and the rear end of described base plate is provided with multiple leaking hole.
In protective cover, guide rail is set; laser range sensor can be adjusted and be placed on position on guide rail; due to perforate on laser panel; therefore laser range sensor is placed on the rear end of guide rail; avoid rainwater to waft from hole in protective cover, laser range sensor to be got wet; the height of guide rail, higher than the height of weather board, can prevent laser range sensor and contacting rain water, affect the serviceable life of laser range sensor.
Further, the position of the profile of described hole and the position of hole identical with receiver hole profile with the transmitting aperture of laser range sensor and the transmitting aperture and receiver hole that are arranged on the laser range sensor in protective cover on the same line.
Face glass of the prior art is replaced with the pertusate laser panel of band, the laser of laser range sensor transmitting and receiving is transmitted and received by the hole on laser panel, without any barrier in the way of transmitting and receiving, laser can not be decayed, and improves the actual range of laser range sensor.
Further; the profile of described hole is made up of with two straight lines being up and down connected described circular arc with the opposing arcs of receiver hole the transmitting aperture of laser range sensor, and the position of hole be arranged on the position of the transmitting aperture of the laser range sensor in protective cover and receiver hole on the same line.
In order to avoid laser launch time fraction of laser light by the edge reflections of hole, by the profile of hole by the transmitting aperture of laser range sensor and the opposing arcs of receiver hole and two rectilinear(-al)s being up and down connected described circular arc, make the transmitting of laser like this and reflect unaffected, reading Monitoring Data more accurate.
Further, described weather board is isosceles trapezoidal structure.
The present invention also provides a kind of laser range finder, comprise laser range sensor protective cover and be arranged on the laser range sensor in described protective cover, described laser range sensor protective cover comprises cover body and bottom support bracket, described cover body comprises going to the bottom of groove type, cover the arc upper cover on described top of going to the bottom, to go to the bottom described in being fixed on the laser panel of leading section and the bonnet of rearward end of going to the bottom described in being fixed on, described going to the bottom comprises integrated base plate and the side plate in base plate both sides, described laser panel is provided with the hole that the laser of laser transmitter projects and reception can be made to pass, described base plate of going to the bottom is provided with the drainage arrangement for draining.
Laser range finder; laser range sensor is placed in laser range sensor protective cover; owing to replacing face glass of the prior art with the laser panel making laser can pass hole; the laser of laser range sensor transmitting and receiving is transmitted and received by the hole on laser panel; without any barrier in the way of transmitting and receiving; laser can not be decayed, and therefore improves the actual range of laser range finder.Laser panel is light tight, although have the hole making laser pass, sunlight inlet is little, affects less in the wild, overcome laser range finder in prior art and can not obtain the drawback of Monitoring Data daytime when laser range finder is monitored by sunlight.When utilizing laser range finder to carry out slope monitoring, without the need to arranging reflecting marking thing, natural surface (without in the hard object such as overlying rock, concrete) is utilized to monitor.Even if there is a small amount of rain to enter into protective cover, rainwater is discharged to protective cover outside by drainage arrangement, can not produce harmful effect to the performance of laser range finder.
Further, drainage arrangement is included in the base plate central longitudinal of going to the bottom to being at least provided with a weather board higher than base plate, the guide rail for placing laser range sensor is provided with in the symmetria bilateralis of described weather board, the height of described guide rail is higher than the height of weather board, and the rear end of described base plate is provided with multiple leaking hole.
Further, the position of the profile of described hole and the position of hole identical with receiver hole profile with the transmitting aperture of laser range sensor and the transmitting aperture and receiver hole that are arranged on the laser range sensor in protective cover on the same line.
Further; the profile of described hole by the transmitting aperture of laser range sensor and the opposing arcs of receiver hole and two the straight line groups being up and down connected described circular arc with, and the position of the position of hole and the transmitting aperture and receiver hole that are arranged on the laser range sensor in protective cover is on the same line.
Further, described weather board is isosceles trapezoidal structure.
Beneficial effect of the present invention: the pertusate laser panel of laser range sensor protective cover band of the present invention replaces face glass of the prior art; the laser of laser range sensor transmitting and receiving is transmitted and received by the hole on laser panel; without any barrier in the way of transmitting and receiving; laser can not be decayed, and therefore improves the actual range of laser range sensor.Laser panel is light tight, although have the hole making laser pass, sunlight inlet is little, and laser range sensor affects less by sunlight, improve the monitoring time of laser range sensor.
In protective cover, guide rail is set; laser range sensor can be adjusted and be placed on position on guide rail; due to perforate on laser panel; therefore laser range sensor is placed on the rear end of guide rail; avoid rainwater to waft from hole in protective cover, laser range sensor to be got wet; the height of guide rail, higher than the height of weather board, can prevent laser range sensor and contacting rain water and affect serviceable life of laser range sensor.
Laser range finder of the present invention; laser range sensor is placed in laser range sensor protective cover; owing to replacing face glass of the prior art with the pertusate laser panel of band; the laser of laser range sensor transmitting and receiving is transmitted and received by the hole on laser panel; without any barrier in the way of transmitting and receiving; laser can not be decayed, and therefore ensure that the actual range of laser range finder can not reduce.Laser panel is light tight, although have the hole making laser pass, sunlight inlet is little, affects less in the wild, overcome laser range finder in prior art and can not obtain the drawback of Monitoring Data daytime when laser range finder is monitored by sunlight.
In protective cover, guide rail is set; laser range sensor can be adjusted and be placed on position on guide rail; due to perforate on laser panel; therefore laser range sensor is placed on the rear end of guide rail; avoid rainwater to waft from hole in protective cover, laser range sensor to be got wet; the height of guide rail, higher than the height of weather board, can prevent inner laser range sensor and contacting rain water and affect serviceable life of laser range sensor.
When adopting laser range finder to carry out slope monitoring, without the need to arranging reflecting marking thing in side slope, utilizing natural surface (without the hard object such as overlying rock, concrete) to monitor, reducing labor workload, reduce work danger coefficient.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the structural representation of the embodiment of the present invention 2.
Embodiment
Below with reference to accompanying drawing, the present invention is described in detail,
Embodiment 1
As shown in Figure 1; a kind of laser range sensor protective cover of the present invention; comprise cover body and bottom support bracket; described cover body comprise groove type go to the bottom 11, cover arc upper cover 12 on described top of going to the bottom, be fixed on described in go to the bottom the laser panel 13 of leading section and the bonnet 14 of rearward end of going to the bottom described in being fixed on; described going to the bottom 11 comprises integrated base plate and the side plate in base plate both sides; described laser panel 13 is provided with hole 15 makes laser can pass from hole, go to the bottom 11 base plate on be also provided with drainage arrangement.Face glass of the prior art is replaced with the pertusate laser panel of band, the laser of laser range sensor transmitting and receiving is transmitted and received by the hole on laser panel, without any barrier in the way of transmitting and receiving, laser can not be decayed, and therefore ensure that the actual range of laser range sensor can not reduce.Laser panel is light tight, although have the hole making laser pass, sunlight inlet is little, and laser range sensor affects less by sunlight, do not affect the monitoring time of laser range sensor.In use, if run into rainy day, if having a small amount of rain to waft from hole enter protective cover inside, rainwater can be drawn out to protective cover outside by drainage arrangement, does not affect the laser sensor being arranged on protective cover inside.
As the further improvement of technique scheme, described go to the bottom 11 base plate central longitudinal to being provided with a weather board 16 higher than base plate, guide rail 17 is provided with for placing laser range sensor in the symmetria bilateralis of described weather board 16, the height of described guide rail 17 is higher than the height of weather board 16, and the rear end of described base plate is provided with multiple leaking hole 18.In protective cover, guide rail is set; laser range sensor can be adjusted and be placed on position on guide rail; due to perforate on laser panel; therefore laser range sensor is placed on the rear end of guide rail; avoid rainwater to waft from hole in protective cover, laser range sensor to be got wet; the height of guide rail, higher than the height of weather board, can prevent laser range sensor and contacting rain water, affect the serviceable life of laser range sensor.Due to laser range sensor in use, be generally fixed on support by protective cover by bearing, protective cover and surface level shape are in an angle; base plate arranges weather board; being convenient to a small amount of rainwater wafts in protective cover, and water can flow to bottom protective cover along weather board, flows out from leaking hole.
As the further improvement of technique scheme, the position of the profile of the described hole 15 and position of hole identical with receiver hole profile with the transmitting aperture of laser range sensor and the transmitting aperture and receiver hole that are arranged on the laser range sensor in protective cover on the same line.Face glass of the prior art is replaced with the pertusate laser panel of band, the laser of laser range sensor transmitting and receiving is transmitted and received by the hole on laser panel, without any barrier in the way of transmitting and receiving, laser can not be decayed, and improves the actual range of laser range sensor.
As the further improvement of technique scheme, the profile of described hole 15 by the transmitting aperture of laser range sensor and the opposing arcs of receiver hole with two rectilinear(-al)s being up and down connected described circular arc and the position of the position of hole and the transmitting aperture and receiver hole that are arranged on the laser range sensor in protective cover on the same line.In order to avoid laser launch time fraction of laser light by the edge reflections of hole, by the profile of hole by the transmitting aperture of laser range sensor and the opposing arcs of receiver hole and two rectilinear(-al)s being up and down connected described circular arc, make the transmitting of laser unaffected like this, read Monitoring Data more accurate.
As the further improvement of technique scheme, described weather board 16 is isosceles trapezoidal structure.When there being a small amount of rainwater to waft into protective cover inside from hole, rainwater wafts on weather board, and water can flow on base plate along two waists of weather board, can be directed on base plate by rainwater fast.
As the further improvement of technique scheme, the length of described upper cover 12 than go to the bottom 11 the long 5 ~ 13cm of length.Upper cover ratio is gone to the bottom length, the effect can played rain cover He keep the sun off.Even if rainwater is under the blowing of wind, also can block most of rainwater, prevent rainwater from entering protective cover from hole, waterproof effect is better.
Embodiment 2
As shown in Figure 2, the present invention also provides a kind of laser range finder, comprise laser range sensor protective cover and be arranged on the laser range sensor in described protective cover, described laser range sensor protective cover comprises cover body and bottom support bracket, what described cover body comprised groove type goes to the bottom 21, cover the arc upper cover 22 on described 21 tops of going to the bottom, to go to the bottom described in being fixed on the laser panel 23 of 21 leading sections and the bonnet 24 of rearward end of going to the bottom described in being fixed on, described going to the bottom 21 comprises integrated base plate and the side plate in base plate both sides, described laser panel 23 is provided with the hole 25 that laser can be made to pass through, at the drainage arrangement be provided with on 21 for draining of going to the bottom.Laser range sensor is placed in laser range sensor protective cover; owing to replacing face glass of the prior art with the pertusate laser panel of band; the laser of laser range sensor transmitting and receiving is transmitted and received by the hole on laser panel; without any barrier in the way of transmitting and receiving; laser can not be decayed, and therefore ensure that the actual range of laser range finder can not reduce.Laser panel is light tight, although have the hole making laser pass, sunlight inlet is little, affects less in the wild, do not affect the monitoring time of laser range finder when laser range finder is monitored by sunlight.When adopting laser range finder to carry out slope monitoring, without the need to arranging reflecting marking thing, utilizing natural surface (without the hard object such as overlying rock, concrete) to monitor, reducing labor workload.
As the further improvement of technique scheme, described go to the bottom 21 base plate central longitudinal to being provided with a weather board 26 higher than base plate, guide rail 27 is provided with for placing laser range sensor in the symmetria bilateralis of described weather board 26, the height of described guide rail 27 is higher than the height of weather board 26, and the rear end of described base plate is provided with multiple leaking hole 28.In protective cover, guide rail is set; laser range sensor can be adjusted and be placed on position on guide rail; due to perforate on laser panel; therefore laser range sensor is placed on the rear end of guide rail; avoid rainwater to waft from hole in protective cover, laser range sensor to be got wet; the height of guide rail, higher than the height of weather board, can prevent inner laser range sensor and contacting rain water and affect serviceable life of laser range sensor.Due to laser range sensor in use, be generally fixed on support by protective cover by bearing, protective cover and surface level shape are in an angle; base plate arranges weather board; being convenient to a small amount of rainwater wafts in protective cover, and water can flow to bottom protective cover along weather board, flows out from leaking hole.
As the further improvement of technique scheme, the profile of described hole 25 is identical with receiver hole profile with the transmitting aperture of laser range sensor and the position of hole makes laser can pass from hole with the position of the transmitting aperture and receiver hole that are arranged on the laser range sensor in protective cover on the same line.Without any barrier in the way of Laser emission and reception, laser can not be decayed, and improves the actual range of laser range sensor.
As the further improvement of technique scheme; the profile of described hole 25 by the transmitting aperture of laser range sensor and the opposing arcs of receiver hole and two rectilinear(-al)s being up and down connected described circular arc, and the position of hole be arranged on the position of the transmitting aperture of the laser range sensor in protective cover and receiver hole on the same line.In order to avoid laser launch time fraction of laser light by the edge reflections of hole, by the profile of hole by the transmitting aperture of laser range sensor and the opposing arcs of receiver hole and two rectilinear(-al)s being up and down connected described circular arc, make the transmitting of laser unaffected like this, read Monitoring Data more accurate.The profile of hole 25 is that the transmitting aperture of laser range sensor is formed with the tangent line being connected described circular arc with the opposing arcs of receiver hole; and the position of hole be arranged on the position of the transmitting aperture of the laser range sensor in protective cover and receiver hole on the same line, such structure makes reading Monitoring Data more accurate.
As the further improvement of technique scheme, described weather board 26 is isosceles trapezoidal structure.When there being a small amount of rainwater to waft into protective cover inside from hole, rainwater wafts on weather board, and water can flow on base plate along two waists of weather board, can be directed on base plate by rainwater fast.
As the further improvement of technique scheme, the length of described upper cover 22 than go to the bottom 21 the long 5 ~ 13cm of length.Upper cover ratio is gone to the bottom length, the effect can played rain cover He keep the sun off.Even if rainwater is under the blowing of wind, also can block most of rainwater, prevent rainwater from entering protective cover from hole, waterproof effect is better.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. laser range sensor protective cover, comprise cover body and bottom support bracket, described cover body comprises go to the bottom (11) of groove type, cover the arc upper cover (12) on described top of going to the bottom, to go to the bottom described in being fixed on the laser panel (13) of leading section and the bonnet (14) of rearward end of going to the bottom described in being fixed on, described go to the bottom (11) comprise integrated base plate and the side plate in base plate both sides, it is characterized in that: described laser panel (13) is provided with the hole (15) that the laser of laser transmitter projects and reception can be made to pass, described base plate of going to the bottom (11) is provided with the drainage arrangement for draining.
2. laser range sensor protective cover as claimed in claim 1; it is characterized in that: described drainage arrangement is included in the base plate central longitudinal of go to the bottom (11) to being at least provided with a weather board higher than base plate (16); the guide rail (17) for placing laser range sensor is provided with in the symmetria bilateralis of described weather board; the height of described guide rail (17) is higher than the height of weather board, and the rear end of described base plate is provided with multiple leaking hole (18).
3. laser range sensor protective cover as claimed in claim 1, is characterized in that: the profile of described hole (15) and the position of hole (15) identical with receiver hole profile with the transmitting aperture of laser range sensor and be arranged on the transmitting aperture of the laser range sensor in protective cover and receiver hole position on the same line.
4. laser range sensor protective cover as claimed in claim 1; it is characterized in that: the profile of described hole (15) is made up of with two straight lines being up and down connected described circular arc with the opposing arcs of receiver hole the transmitting aperture of laser range sensor, and the position of hole (15) be arranged on the position of the transmitting aperture of the laser range sensor in protective cover and receiver hole on the same line.
5. laser range sensor protective cover as claimed in claim 2, is characterized in that: described weather board (16) is isosceles trapezoidal structure.
6. laser range finder, comprise laser range sensor protective cover and be arranged on the laser range sensor in described protective cover, it is characterized in that: described laser range sensor protective cover comprises cover body and bottom support bracket, described cover body comprises go to the bottom (21) of groove type, cover the arc upper cover (22) on described top of going to the bottom, to go to the bottom described in being fixed on the laser panel (23) of (21) leading section and the bonnet (24) of rearward end of going to the bottom described in being fixed on, described go to the bottom (21) comprise integrated base plate and the side plate in base plate both sides, described laser panel (23) is provided with the hole (25) that the laser of laser transmitter projects and reception can be made to pass, described base plate of going to the bottom (21) is provided with the drainage arrangement for draining.
7. laser range finder as claimed in claim 6, it is characterized in that: described drainage arrangement is included in the base plate central longitudinal of go to the bottom (21) to being at least provided with a weather board higher than base plate (26), guide rail (27) is provided with for placing laser range sensor in the symmetria bilateralis of described weather board (26), the height of the height weather board (26) of described guide rail (27), the rear end of described base plate is provided with multiple leaking hole (28).
8. laser range finder as claimed in claim 6, is characterized in that: the profile of described hole (25) and the position of hole (25) identical with receiver hole profile with the transmitting aperture of laser range sensor and be arranged on the transmitting aperture of the laser range sensor in protective cover and receiver hole position on the same line.
9. laser range finder as claimed in claim 6; it is characterized in that: the profile of described hole (25) is made up of with two straight lines being up and down connected described circular arc with the opposing arcs of receiver hole the transmitting aperture of laser range sensor, and the position of hole (25) be arranged on the position of the transmitting aperture of the laser range sensor in protective cover and receiver hole on the same line.
10. laser range finder as claimed in claim 7, is characterized in that: described weather board (26) is isosceles trapezoidal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168067.0A CN104714219A (en) | 2015-04-10 | 2015-04-10 | Laser ranging sensor protection cover and laser range finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168067.0A CN104714219A (en) | 2015-04-10 | 2015-04-10 | Laser ranging sensor protection cover and laser range finder |
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| Publication Number | Publication Date |
|---|---|
| CN104714219A true CN104714219A (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510168067.0A Pending CN104714219A (en) | 2015-04-10 | 2015-04-10 | Laser ranging sensor protection cover and laser range finder |
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| CN (1) | CN104714219A (en) |
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| CN105891803A (en) * | 2016-06-06 | 2016-08-24 | 四川汇英光电科技有限公司 | Distance measuring instrument based on erbium glass eye-safe laser |
| WO2017177696A1 (en) * | 2016-04-14 | 2017-10-19 | 北京小米移动软件有限公司 | Automatic cleaning device |
| CN111929660A (en) * | 2020-10-13 | 2020-11-13 | 常州本安科技有限公司 | Range finding sensor with protective structure |
| CN112177618A (en) * | 2020-09-04 | 2021-01-05 | 中船重型装备有限公司 | Special installation base of shield tail automatic measure sensor |
| CN112173096A (en) * | 2016-09-21 | 2021-01-05 | 深圳市大疆创新科技有限公司 | Unmanned plane |
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| CN111929660A (en) * | 2020-10-13 | 2020-11-13 | 常州本安科技有限公司 | Range finding sensor with protective structure |
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Application publication date: 20150617 |
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| RJ01 | Rejection of invention patent application after publication |