CN109613545A - A kind of infrared laser ranging LED light - Google Patents
A kind of infrared laser ranging LED light Download PDFInfo
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- CN109613545A CN109613545A CN201910068040.2A CN201910068040A CN109613545A CN 109613545 A CN109613545 A CN 109613545A CN 201910068040 A CN201910068040 A CN 201910068040A CN 109613545 A CN109613545 A CN 109613545A
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- light source
- seal casinghousing
- infrared
- infrared laser
- fixed
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- 229910052744 lithium Inorganic materials 0.000 claims description 3
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- 230000005611 electricity Effects 0.000 claims description 2
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- 230000008859 change Effects 0.000 description 4
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- 238000004078 waterproofing Methods 0.000 description 1
Classifications
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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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The present invention relates to a kind of infrared laser ranging LED light, including seal casinghousing, seal casinghousing to be formed by fixedly connecting by front housing and rear cover, and the top and both ends of seal casinghousing offer hollow region；Radiating element, radiating element are fixed in seal casinghousing；Condensation light source, condensation light source are fixed at the hollow region at the top of seal casinghousing；Floodlight light source, floodlight light source are fixed at the hollow region of seal casinghousing one end；Control device is fixed in seal casinghousing, and control device includes controller and light source circuit board, and the constant-current drive circuit for driving floodlight light source and condensation light source to work is provided on light source circuit board, is additionally provided with charge management circuit on light source circuit board；Infrared distance measurement mould group, infrared distance measurement mould group are fixed at the top of seal casinghousing at hollow region；Battery, battery are fixed on radiating element；Display screen is fixed at the hollow region of the other end of seal casinghousing, and display screen connects controller.
Description
Technical field
The present invention relates to a kind of infrared laser distance mearuring equipments, especially with regard to a kind of infrared laser ranging LED light.
Background technique
LED light is a kind of energy-efficient light source, when electronics, which through, being encapsulated in semiconductor wafer in epoxy resin object,
Positively charged hole-recombination on electronegative electronics and chip and disappear while, generate photon.Orthodox car maintenance industry is usual
Using incandescent lamp and fluorescent lamp.Incandescent lamp and fluorescent lamp have frangible, and shape is larger, using and inconvenient to carry, waterproofing grade
Low disadvantage, can not outdoor use.
Infrared distance measurement is indiffusion principle when being propagated using infrared ray.Due to infrared ray refraction when passing through other materials
Rate very little, so the rangefinder of long range can all be considered as infrared ray, but the propagation of infrared ray needs the time, hot
Outside line is encountered reverberation and be reflected back from rangefinder sending to be received by rangefinder, is received further according to infrared ray from being issued to
Time and the spread speed of infrared ray calculate distance, but eyes can not be true under dark surrounds for the laser ranging of the prior art
Whether correct recognize test surfaces.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide one kind can carry out under the bad environment of illumination condition accurately
The infrared laser ranging LED light of range measurement.
To achieve the above object, the present invention takes following technical scheme: a kind of infrared laser ranging LED light, the ranging
LED light includes: seal casinghousing, and the seal casinghousing is formed by fixedly connecting by front housing and rear cover, the top of the seal casinghousing and
Both ends offer hollow region；Radiating element, the radiating element are fixed in the seal casinghousing；Optically focused light
Source, the condensation light source are fixed at the hollow region at the top of the seal casinghousing, for the undesirable environment of illumination into
Row junior range；Floodlight light source, the floodlight light source are fixed at the hollow region of the seal casinghousing one end, are used for
It is illuminated in the undesirable environment of illumination；Control device, the control device are fixed in the seal casinghousing, the control
Device processed includes controller and light source circuit board, is provided on the light source circuit board for driving the floodlight light source and optically focused
The constant-current drive circuit of light source working is additionally provided with charge management circuit on the light source circuit board；Infrared distance measurement mould group, it is described
Infrared distance measurement mould group is fixed at the top of the seal casinghousing at hollow region, carries out distance for controlling through the controller
Measurement；Battery, the battery are fixed on the radiating element, and the battery controls the charging by the controller
It manages circuit and carries out managing electric quantity；Display screen, the display screen are fixed at the hollow of the other end of the seal casinghousing
At region, the display screen connects the controller.
The infrared laser ranging LED light, it is preferable that the infrared distance measurement mould group includes infrared emission unit, red
Outer mode of laser group and infrared receiver, the infrared emission unit, infrared laser mould group and infrared receiver are all connected with institute
Controller is stated, the infrared emission unit, infrared laser mould group and infrared receiver are fixedly installed by cross-brace bracket
At the top of the seal casinghousing at hollow region.
The infrared laser ranging LED light, it is preferable that the condensation light source is using encapsulation LED, the condensation light source
Front is fixedly installed collector lens, and the collector lens is fixedly connected by several positioning columns with the radiating element；Wherein,
The collector lens uses total-reflection type lens.
The infrared laser ranging LED light, it is preferable that be fixedly installed at the hollow region at the top of the seal casinghousing
Top transparent cover, the top transparent cover use band waterproof double-sided adhesive to be fixed on the seal casinghousing to push down the optically focused saturating
Mirror plays waterproof action.
The infrared laser ranging LED light, it is preferable that the floodlight light source uses the LED of COB encapsulation, described general
Radiant is fixedly installed at the hollow region of the floodlight light source using 80 colour rendering index and the colour temperature of 6000K
Lens.
The infrared laser ranging LED light, it is preferable that the display screen uses LCD short in size screen.
The infrared laser ranging LED light, it is preferable that the ranging LED light is additionally provided with ranging key, setting button
With lamp control key, the ranging key and setting button are arranged on the seal casinghousing below the display screen, institute
It states ranging key and connects the controller with setting button, the ranging key is used to open Laser emission by the controller
With calculating measuring distance, the setting button is used to that test parameter to be arranged by the controller；The lamp control key setting exists
The seal casinghousing side, for opening, closing and switching the condensation light source and floodlight light source, the lamp control is by key connection institute
Light source circuit board is stated, light transfer sequence is turned off the light for the strong light of floodlight-floodlight dim light-optically focused-, and with memory function, setting time
It does not go inside by being set as key next time is shutdown, gear when next time, booting was shutdown.
The infrared laser ranging LED light, it is preferable that the battery uses the lithium polymer battery of large capacity, institute
It states seal casinghousing side and is additionally provided with charge port for connecting external power supply, the charge port upper cover is equipped with charging interface waterproof
Lid.
The infrared laser ranging LED light, it is preferable that it is anti-to pass through band positioned at the seal casinghousing side of the display screen
Water sticking double faced adhesive tape has display screen translucent cover to carry out waterproof.
The infrared laser ranging LED light, it is preferable that the radiating element includes a heat dissipation as support skeleton
If the radiating block in all spaces inside seal casinghousing described in block and dry-packing.
The invention adopts the above technical scheme, which has the following advantages:
1, infrared laser ranging LED light of the invention combines LED lighting technology and infrared distance measurement technology together, solves
Under the bad environment of light be inconvenient to the problem of being surveyed and drawn；
If 2, radiating element of the invention includes one as institute inside the radiating block and dry-packing seal casinghousing of support skeleton
There is the radiating block in space, therefore adequately heat dissipation and heat conductive design keep product heat dissipation more abundant, extend the service life of product；
3, the reasonable dustproof and waterproof design of the present invention and reasonable key arrangement and usage mode allow product to exist
It also being capable of normal use under rugged environment；
To sum up, the present invention in construction site and can need to measure the occasion of distance and use, environment that can be bad in light
Lower progress accurate distance measurement.
Detailed description of the invention
Fig. 1 is infrared laser ranging LED lamp structure schematic diagram of the present invention；
Fig. 2 is infrared laser ranging LED light one side schematic view of the present invention；
Fig. 3 is the another schematic side view of infrared laser ranging LED light of the present invention；
Fig. 4 is the schematic diagram of internal structure of infrared laser ranging LED light of the present invention；
Fig. 5 is the another schematic diagram of internal structure of infrared laser ranging LED light of the present invention；
Description of symbols: 1 front housing, 2 rear covers, 21 rear cover translucent covers, 3 radiating blocks, 4 infrared laser mould groups, 5 infrared emissions
Unit, 6 infrared receivers, 7 condensation light sources, 8 floodlight light sources, 9 display screens, 91 display screen translucent covers, 10 controllers, 11 light sources
Circuit board, 12 batteries, 121 charging interface waterproof covers, 130 collector lenses, 131 top transparent covers, 13 ranging keys, 14 settings are pressed
Key, 15 lamp control keys.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Fig. 1~5, infrared laser ranging LED light provided by the invention, including front housing 1, rear cover 2, radiating block 3,
Infrared laser mould group 4, infrared emission unit 5, infrared receiver 6, condensation light source 7, floodlight light source 8, display screen 9, controller
10, light source circuit board 11 and battery 12.
Front housing 1 and rear cover 2 are fixedly connected to form the seal casinghousing for accommodating each device.
Main radiating block 3 and several fritter radiating blocks are fixedly installed in seal casinghousing, main radiating block 3 is used as support frame,
Increasing intensity and can rapidly radiate, other small radiating blocks fill seal casinghousing inner free space, in case high temperature is to infrared
Laser ranging module 4 impacts.
Controller 10 and light source circuit board 11 are further fixedly arranged in seal casinghousing, controller 10 and light source circuit board 11 are equal
It can be fixed using screw with front housing 1.Seal casinghousing top is fixedly installed cross-brace bracket, on cross-brace bracket
It is provided with infrared emission unit 5, infrared laser mould group 4 and infrared receiver 6, wherein infrared emission unit 5, infrared laser
Mould group 4 and infrared receiver 6 are all connected with controller 10 and constitute infrared distance measurement mould group.
1 top of front housing is set as hollow region, and corresponding to the hollow region of front housing 1, back-off is provided with aobvious in seal casinghousing
Display screen 9, display screen 9 connect controller 10 by FPC (Flexible Printed Circuit Board, flexible circuit board),
Controller 10 can according to actual test control infrared distance measurement mould group carry out ranging number, ranging datum mark, measurement unit and
The setting and calculating of measuring distance, display screen 9 is for showing test parameter and test result.
The top and side of main radiating block 3 are pasted with condensation light source 7 and floodlight light source 8 by heat-conducting glue, realize reliable
Heat dissipation, ensure that the service life of light source, in case high temperature impacts infrared laser ranging mould group.Condensation light source 7 is located at capsul
Body top, for carrying out junior range in the undesirable environment of illumination.Floodlight light source 8 is located in the middle part of seal casinghousing, corresponds to floodlight
The position of light source 8 is provided with light hole on rear cover 2, can the undesirable environment of illumination as flashlight carry out using.Light source electricity
It is provided with the constant-current drive circuit for driving condensation light source 7 and floodlight light source 8 to work on road plate 11, is set on light source circuit board 11
It is equipped with the constant-current drive circuit for driving condensation light source 7 and floodlight light source 8 to work.
Battery 12 is immobilized in the shell on the main radiating block 3 in portion by heatproof double-sided adhesive, is also set up on light source circuit board 11
There is charge management circuit, battery 12 controls charge management circuit by controller 10 and carries out managing electric quantity.
In above-described embodiment, it is preferable that condensation light source 7 can be able to be 1.6*1.6mm using encapsulation LED, package dimension,
It is fixedly installed collector lens 130 in front of condensation light source 7, is fixed on condensation light source at the top of collector lens 130 by 4 positioning columns
7 realize 12 degree of half-angle of optically focused.Collector lens 130 can use total-reflection type lens, realize the high optically focused of small size, utilize light
Total internal reflection principle (when optically denser medium is mapped to the interface of optically thinner medium, be all reflected back toward in former medium phenomenon) is realized poly-
Light, wherein half-angle is the region angle of peak center light intensity 50%.In addition, top transparent cover is fixedly installed at the top of seal casinghousing
131, it is fixed on seal casinghousing using band waterproof double-sided adhesive and pushes down collector lens 130, and play waterproof action.
In above-described embodiment, it is preferable that floodlight light source 8 can (COB light source be directly to paste LED chip using COB light source
High photosynthetic efficiency on the mirror metal substrate of high reflecting rate integrates area source technology, and abbreviation high power integrates area source, advantage
It is that high brightness is realized under small size, COB light source is suitble under dark surrounds using 80 colour rendering index and the colour temperature of 6000K
Illumination, and be located at the light hole of floodlight light source 8 and be fixedly installed lens.
In above-described embodiment, it is preferable that display screen 9 can use LCD short in size screen.
In above-described embodiment, it is preferable that the infrared laser ranging LED light is additionally provided with various keys, and key includes surveying
Away from key 13, setting button 14 and lamp control key 15, ranging key 13 and setting button 14 be can be set in the case where being located at display screen 9
On the front housing of side, use when facilitating ranging.Ranging key 13 and the connection control dress device 10 of setting button 14, ranging key 13 are used for
Laser emission is opened by controller 10 and calculates measuring distance, and setting button 14 is used for through the setting test ginseng of controller 10
Number；The setting of lamp control key 15 can be used for opening, close and switch condensation light source 7 and floodlight light source 8, lamp control in 1 side of front housing
Key 15 connects light source circuit board 11 and is controlled, and transfer sequence is turned off the light for the strong light of floodlight-floodlight dim light-optically focused-, and with memory
Function is not gone in certain time by being set as key next time is shutdown, gear when next time, booting was shutdown.
In above-described embodiment, it is preferable that battery 12 can use the lithium polymer battery of large capacity, can produce for a long time
Product power supply, in addition, be provided with battery capacity indication on display screen 9, when charging, electric current instruction can be shown always, and can show charging
Progress.In addition, the other side of seal casinghousing is provided with charge port, pass through the charging of light source circuit board 11 for connecting external power supply
Management circuit is that battery 12 charges, and charge port upper cover is equipped with charging interface waterproof cover 121.
In above-described embodiment, it is preferable that seal casinghousing outer end is molded with a circle TPE flexible glue, for playing cushioning effect.
In above-described embodiment, it is preferable that aobvious by having with waterproof sticking double faced adhesive tape on the front housing 1 in 9 front of display screen
Display screen translucent cover 91, plays waterproof action.
In the various embodiments described above, it is preferable that have rear cover translucent cover 21 by waterproof sticking double faced adhesive tape on rear side of seal casinghousing, rise
To waterproof action.Seal casinghousing may be sized to 111mm*47mm*23mm, easy to carry.
Infrared laser ranging LED light provided by the invention when in use, can realize optically focused light by lamp control key 15
The switching in source 7 and floodlight light source 8, condensation light source 7 are used for auxiliary under the conditions of illumination is undesirable and carry out range measurement, floodlight light source
8 can carry out night illumination as flashlight.The ranging in 60m may be implemented in the present invention, can need to remember according to actual test
Data, the datum mark for switching ranging and the switching unit of preceding 2 measurements are recorded, in order to allow user that can manipulate these functions and letter
Change number of keys, 13 long-pressing of ranging key can open laser ranging function in 3 seconds, while open display screen 9, and ranging key 13 is short
Laser emission is clicked, starts to calculate distance under short-press second, 14 short-press of setting button switches datum mark, at this time on display screen 9
Symbol can change, 3 seconds switching parasangs of long-pressing, the symbol shown on display screen 9 at this time can change.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out change and modification appropriate.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to this
Some modifications and changes of invention should also be as falling into the scope of the claims of the present invention.In addition, although this specification
In use some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (10)
1. a kind of infrared laser ranging LED light, which is characterized in that the ranging LED light includes:
Seal casinghousing, the seal casinghousing are formed by fixedly connecting by front housing and rear cover, the top and both ends of the seal casinghousing
Offer hollow region；
Radiating element, the radiating element are fixed in the seal casinghousing；
Condensation light source, the condensation light source are fixed at the hollow region at the top of the seal casinghousing, for illumination not
Good environment carries out junior range；
Floodlight light source, the floodlight light source are fixed at the hollow region of the seal casinghousing one end, in illumination
Undesirable environment is illuminated；
Control device, the control device are fixed in the seal casinghousing, and the control device includes controller and light
Source circuit plate is provided with the constant current driving electricity for driving the floodlight light source and condensation light source to work on the light source circuit board
Road is additionally provided with charge management circuit on the light source circuit board；
Infrared distance measurement mould group, the infrared distance measurement mould group are fixed at the top of the seal casinghousing at hollow region, for passing through
The controller control carries out range measurement；
Battery, the battery are fixed on the radiating element, and the battery controls the charging by the controller
It manages circuit and carries out managing electric quantity；
Display screen, the display screen are fixed at the hollow region of the other end of the seal casinghousing, the display screen
Connect the controller.
2. infrared laser ranging LED light according to claim 1, which is characterized in that the infrared distance measurement mould group includes
Infrared emission unit, infrared laser mould group and infrared receiver, the infrared emission unit, infrared laser mould group and infrared connect
It receives unit and is all connected with the controller, the infrared emission unit, infrared laser mould group and infrared receiver pass through laterally branch
Support bracket is fixed at the top of the seal casinghousing at hollow region.
3. infrared laser ranging LED light according to claim 1, which is characterized in that the condensation light source is using encapsulation
LED, the condensation light source front are fixedly installed collector lens, and the collector lens passes through several positioning columns and the radiator
Part is fixedly connected；Wherein, the collector lens uses total-reflection type lens.
4. infrared laser ranging LED light according to claim 1, which is characterized in that at the top of the seal casinghousing
Top transparent cover is fixedly installed at empty region, the top transparent cover uses band waterproof double-sided adhesive to be fixed on the seal casinghousing
The collector lens is pushed down, waterproof action is played.
5. infrared laser ranging LED light according to any one of claims 1 to 4, which is characterized in that the floodlight light source
The LED encapsulated using COB, the floodlight light source are located at the floodlight light source using 80 colour rendering index and the colour temperature of 6000K
Hollow region at be fixedly installed lens.
6. infrared laser ranging LED light according to any one of claims 1 to 4, which is characterized in that the display screen is adopted
With LCD short in size screen.
7. infrared laser ranging LED light according to any one of claims 1 to 4, which is characterized in that the ranging LED light
It is additionally provided with ranging key, setting button and lamp control key, the ranging key and setting button are arranged in the display
On the seal casinghousing for shielding lower section, the ranging key connects the controller with setting button, and the ranging key is used for
Laser emission is opened by the controller and calculates measuring distance, and the setting button is used to survey by controller setting
Try parameter；Lamp control key setting is in the seal casinghousing side, for opening, closing and switching the condensation light source and general
Radiant, the lamp control are the strong light of floodlight-floodlight dim light-optically focused-pass by the light source circuit board, light transfer sequence is keyed
Lamp, and with memory function, it is not gone in setting time by being set as key next time is shutdown, shelves when next time, booting was shutdown
Position.
8. infrared laser ranging LED light according to any one of claims 1 to 4, which is characterized in that the battery uses
The lithium polymer battery of large capacity, the seal casinghousing side is additionally provided with the charge port for connecting external power supply, described to fill
Power port upper cover is equipped with charging interface waterproof cover.
9. infrared laser ranging LED light according to any one of claims 1 to 4, which is characterized in that be located at the display
The seal casinghousing side of screen has display screen translucent cover to carry out waterproof by band waterproof sticking double faced adhesive tape.
10. infrared laser ranging LED light according to any one of claims 1 to 4, which is characterized in that the radiator
If part includes the radiating block in all spaces inside seal casinghousing described in the radiating block and dry-packing as support skeleton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910068040.2A CN109613545B (en) | 2019-01-24 | 2019-01-24 | Infrared laser ranging LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910068040.2A CN109613545B (en) | 2019-01-24 | 2019-01-24 | Infrared laser ranging LED lamp |
Publications (2)
| Publication Number | Publication Date |
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| CN109613545A true CN109613545A (en) | 2019-04-12 |
| CN109613545B CN109613545B (en) | 2023-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910068040.2A Active CN109613545B (en) | 2019-01-24 | 2019-01-24 | Infrared laser ranging LED lamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412542A (en) * | 2019-08-23 | 2019-11-05 | 上海禾赛光电科技有限公司 | Laser radar and its radiator |
| CN110708718A (en) * | 2019-10-15 | 2020-01-17 | 四川豪威尔信息科技有限公司 | Measurement gap configuration for 5G |
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| JP2009174866A (en) * | 2008-01-21 | 2009-08-06 | Nikon-Trimble Co Ltd | Distance measuring device |
| CN104849718A (en) * | 2014-04-25 | 2015-08-19 | 常州市新瑞得仪器有限公司 | Laser range finder |
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