CN214621026U - Hand-held laser three-dimensional scanner - Google Patents
Hand-held laser three-dimensional scanner Download PDFInfo
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- CN214621026U CN214621026U CN202120804221.XU CN202120804221U CN214621026U CN 214621026 U CN214621026 U CN 214621026U CN 202120804221 U CN202120804221 U CN 202120804221U CN 214621026 U CN214621026 U CN 214621026U
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Abstract
The utility model relates to a hand-held laser three-dimensional scanner, which comprises a hand-held end, wherein a supporting table is arranged at the top of the hand-held end, a first camera is fixedly arranged at the top of the supporting table, a second camera is fixedly arranged at the bottom of the hand-held end, and a base is arranged at the bottom of the second camera; a laser emitter group is arranged on one side of the supporting platform, which is the same as the first camera and the second camera; the laser emitter group comprises a positioner, a red laser emitter and a blue laser emitter; be equipped with rotating electrical machines and controller in the base, first camera, second camera, red laser emitter, blue laser emitter and rotating electrical machines respectively with the controller is connected. The utility model provides a hand-held type three-dimensional laser scanner has the size little, and convenient to carry is wide to scanning object size and dimension adaptability, and characteristics such as the scanning precision is high, scanning speed is fast obtain wide application in aspects such as reverse design, product detection.
Description
Technical Field
The utility model belongs to the technical field of mechanization, concretely relates to hand-held type laser three-dimensional scanner.
Background
It is well known that modern advanced manufacturing techniques do not leave the support of advanced detection techniques. Like the industries such as the automobile industry, the die manufacturing industry, the casting industry, the cultural relic sculpture and the like, the holographic dimension measuring instrument has the characteristics of complex product appearance, large dimension, incapability of touching the surface and the like, and the traditional measuring mode cannot solve the holographic dimension detection problems. Three-dimensional laser scanning is produced as a non-contact detection technology, and the problem of three-dimensional data detection of products can be effectively solved.
In the related art, the existing laser scanner has the problems of large size, inconvenience in carrying, limitation on the size adaptability of a scanned object, low scanning precision, low scanning speed and the like.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to overcome the deficiencies in the prior art, and provides a handheld laser three-dimensional scanner to solve the problem that the conventional laser scanner cannot achieve high-efficiency and accurate scanning.
In order to realize the above purpose, the utility model adopts the following technical scheme: a hand-held laser three-dimensional scanner comprising: the camera comprises a handheld end, wherein a supporting table is arranged at the top of the handheld end, a first camera is fixedly installed at the top of the supporting table, a second camera is fixedly installed at the bottom of the handheld end, and a base is arranged at the bottom of the second camera; a laser emitter group is arranged on one side of the supporting platform, which is the same as the first camera and the second camera; the laser emitter group comprises a positioner, a red laser emitter and a blue laser emitter;
be equipped with rotating electrical machines and controller in the base, first camera, second camera, red laser emitter, blue laser emitter and rotating electrical machines respectively with the controller is connected.
Furthermore, positioners are arranged on the red laser emitter and the blue laser emitter;
the locator is used for combining the rotation angle of rotating electrical machines, and the position information of confirming the scanned object is further, red laser emitter, blue laser emitter all are equipped with:
a temperature detector and a temperature controller;
the temperature detector is used for detecting the temperature of the laser emitted by the red laser emitter and the blue laser emitter;
the temperature controller is used for controlling the emitted laser to keep constant temperature.
Further, still be equipped with in the base:
an optical image signal collector, an optical filter, a photomultiplier and an electronic amplifier which are connected in sequence.
Further, the supporting table is further provided with:
and the switching button is used for switching the red laser emitter and the blue laser emitter.
Furthermore, the first camera and the second camera both adopt CCD cameras.
Furthermore, the first camera inclines downwards by 5-30 degrees, and the second camera inclines upwards by 5-30 degrees.
Further, still be equipped with in the base:
and the power supply module is used for supplying electric energy to the handheld laser three-dimensional scanner.
Further, the base is also provided with a connecting port.
The utility model adopts the above technical scheme, the beneficial effect that can reach includes:
the handheld laser three-dimensional scanner is convenient for a user to hold; by the arranged laser emitter group, a red laser emitter is adopted to scan a large scanned object, and a blue laser emitter is adopted to scan a small scanned object, wherein the red laser emitter has a large scanning range, and the blue laser emitter has high scanning concentration; therefore, efficient and accurate scanning is realized according to the size and the shape of the scanned object and the scanning working condition environment.
In addition, the handheld three-dimensional laser scanner provided by the application has the characteristics of small size, convenience in carrying, wide adaptability to the size of a scanned object, high scanning precision, high scanning speed and the like, and is widely applied to the aspects of reverse design, product detection and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a hand-held laser three-dimensional scanner according to the present invention;
fig. 2 is a side view of a hand-held laser three-dimensional scanner according to the present invention;
fig. 3 is another schematic structural diagram of the handheld laser three-dimensional scanner according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A specific hand-held laser three-dimensional scanner provided in the embodiments of the present application will be described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the utility model provides a hand-held laser three-dimensional scanner, include: the device comprises a handheld end 1, wherein a supporting table 2 is arranged at the top of the handheld end 1, a first camera 3 is fixedly arranged at the top of the supporting table 2, a second camera 4 is fixedly arranged at the bottom of the handheld end 1, and a base 5 is arranged at the bottom of the second camera 4; a laser emitter group 6 is arranged on one side of the support table 2, which is the same as the first camera 3 and the second camera 4;
as shown in fig. 3, the laser emitter group 6 includes a positioner 61, a red laser emitter 62, and a blue laser emitter 63;
a rotating motor 51 and a controller 52 are arranged in the base 5, and the first camera 3, the second camera 4, the positioner 61, the red laser emitter 62, the blue laser emitter 63 and the rotating motor 51 are respectively connected with the controller 52;
the red laser emitter 62 and the blue laser emitter 63 are both provided with a positioner 61;
the positioner 61 is used for determining the position information of the scanned object according to the rotation angle of the rotating motor 51.
The working principle of the handheld laser three-dimensional scanner provided by the application is that the first camera 3 and the second camera 4 on the instrument can respectively obtain laser projected onto a scanned object at the working speed of 120fps (frame/second), the red laser emitter 62 and the blue laser emitter 63 are rapidly switched in real time, and the overall efficiency and the local details of single scanning data are considered. The frame rate of the machine under the blue light mode is as high as 120fps, the resolution is as high as 0.02mm, and the detail degree of scanning three-dimensional data is greatly improved. The measurement data of the large object can be rapidly obtained at the extremely high measurement speed in the red light mode. The laser deforms along with the shape of the object, a red laser emitter 62 is adopted to scan a large scanned object, a blue laser emitter 63 is adopted to scan a small scanned object, the scanning range of the red laser emitter 62 is large, and the scanning concentration of the blue laser emitter 63 is high; therefore, efficient and accurate scanning is realized according to the size and the shape of the scanned object and the scanning working condition environment.
It should be noted that the minimum resolution of the handheld laser three-dimensional scanner provided by the application can reach 0.02mm, the maximum precision can reach 0.03mm, and the detail degree of scanning three-dimensional data is greatly improved. Meanwhile, the external environment has little influence on the scanning precision, and the device can normally work even if the sunlight is directly irradiated.
It can be understood that the handheld laser three-dimensional scanner in the application determines the spatial positions of the scanner during the scanning process according to the visual mark points fixed on the surface of the detected object, and the spatial positions are used for spatial position conversion;
continuously acquiring the three-dimensional information of the position where the laser passes by using the linear three-dimensional information and the space relative position of the scanner when the scanner moves, thereby forming continuous three-dimensional data;
when the handheld laser three-dimensional scanner works, 5 beams of crossed red laser scanning or 5 beams of parallel blue laser scanning can be adopted respectively, the fast scanning and the hyperfine scanning are respectively corresponding, and the two scanning mode files are in the same coordinate system and do not need to be spliced in the later period.
The application provides a hand-held type laser three-dimensional scanner has two kinds of different mode, adopts double-colored laser principle to design and develop, and the high adaptability of make full use of red laser and the ultra-low noise point's of blue laser characteristic, the integrated high-efficient image graphic algorithm of while and powerful data post processing function have really realized the perfect integration of simple operation and extremely detailed. The scanning object can be easily coped with by one airplane as large as one coin as small as one coin.
In some embodiments, the red laser emitter 62 and the blue laser emitter 63 are provided with:
a temperature detector and a temperature controller;
the temperature detector is used for detecting the temperature of the laser emitted by the red laser emitter 62 and the blue laser emitter 63;
the temperature controller is used for controlling the emitted laser to keep constant temperature.
Specifically, the user can set a preset temperature, the temperature of the laser emitted by the temperature detector is detected in real time, and when the temperature is lower than or higher than the preset temperature, the temperature controller controls the temperature controller to control the heating device to heat, and the heat dissipation device is controlled to dissipate heat, so that the temperature of the laser is maintained at the preset temperature, and it can be understood that the preset temperature is a temperature range.
In some embodiments, the base 5 further has disposed therein:
an optical image signal collector, an optical filter, a photomultiplier and an electronic amplifier which are connected in sequence.
It can be understood that the reflected signal is collected by the optical image signal collector, the reflected signal is filtered by the optical filter, the reflected signal is photoelectrically converted by the photomultiplier tube, and the reflected signal is amplified by the electronic amplifier.
Preferably, the support table 2 is further provided with:
and a switching button for switching the red laser emitter 62 and the blue laser emitter 63.
The user can select the red laser emitter 62 or the blue laser emitter 63 according to the size of an object to be scanned, and the red laser emitter 62 and the blue laser emitter 63 are switched through the switching button, wherein 5 crossed red laser lines and 1 red laser line capable of working independently are emitted by the red laser emitter 62 in the application, and 11 red laser lines are counted; the blue laser emitter 63 emits 5 parallel blue laser lines.
Preferably, the first camera 3 and the second camera 4 both adopt CCD cameras.
Specifically, a CCD camera, that is, a CCD camera, is a security system, and the image generation is mainly from the CCD camera at present, and the CCD is a charge coupled device (charge coupled device) for short, which can change light into charges and store and transfer the charges, and can also take out the stored charges to change the voltage, so that the CCD camera is an ideal CCD camera element, and the CCD camera formed by the CCD camera element has the characteristics of small volume, light weight, no magnetic field influence, and vibration and impact resistance, and is widely used.
Preferably, the first camera 3 inclines downwards by 5-30 degrees, and the second camera 4 inclines upwards by 5-30 degrees.
Preferably, the base 5 is provided with:
and the power supply module is used for supplying electric energy to the handheld laser three-dimensional scanner.
It can be understood that the handheld end 1, the supporting table 2 and the base 5 are hollow structures, so that connecting wires of various devices can be conveniently arranged in the hollow structures.
Preferably, the base 5 is further provided with a connection port.
The power module may employ a rechargeable battery. And charging the power supply module through the connecting port.
Preferably, the controller 52 is a single chip microcomputer.
To sum up, the handheld laser three-dimensional scanner provided by the utility model comprises a handheld end, wherein a supporting table is arranged at the top of the handheld end, a first camera is fixedly arranged at the top of the supporting table, a second camera is fixedly arranged at the bottom of the handheld end, and a base is arranged at the bottom of the second camera; a laser emitter group is arranged on one side of the supporting platform, which is the same as the first camera and the second camera; the laser emitter group comprises a positioner, a red laser emitter and a blue laser emitter; be equipped with rotating electrical machines and controller in the base, first camera, second camera, red laser emitter, blue laser emitter and rotating electrical machines respectively with the controller is connected. The utility model discloses a set up laser emitter group and realize carrying out high-efficient accurate scanning according to the operating mode environment of the size, the shape and the scanning of the object that is scanned. In addition, the handheld three-dimensional laser scanner provided by the application has the characteristics of small size, convenience in carrying, wide adaptability to the size and the size of a scanning object, high scanning precision, high scanning speed and the like, and is widely applied to the aspects of reverse design, product detection and the like.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (9)
1. A hand-held laser three-dimensional scanner comprising: the camera comprises a handheld end, wherein a supporting table is arranged at the top of the handheld end, a first camera is fixedly installed at the top of the supporting table, a second camera is fixedly installed at the bottom of the handheld end, and a base is arranged at the bottom of the second camera; a laser emitter group is arranged on one side of the supporting platform, which is the same as the first camera and the second camera; the laser emitter group comprises a positioner, a red laser emitter and a blue laser emitter;
a rotating motor and a controller are arranged in the base, and the first camera, the second camera, the red laser emitter, the blue laser emitter and the rotating motor are respectively connected with the controller;
the red laser emitter and the blue laser emitter are respectively provided with a positioner;
the positioner is used for determining the position information of the scanned object by combining the rotation angle of the rotating motor.
2. The hand-held laser three-dimensional scanner according to claim 1, wherein the red laser emitter and the blue laser emitter are each provided with:
a temperature detector and a temperature controller;
the temperature detector is used for detecting the temperature of the laser emitted by the red laser emitter and the blue laser emitter;
the temperature controller is used for controlling the emitted laser to keep constant temperature.
3. The hand-held laser three-dimensional scanner according to claim 1, wherein the base further comprises:
an optical image signal collector, an optical filter, a photomultiplier and an electronic amplifier which are connected in sequence.
4. The hand-held laser three-dimensional scanner according to claim 1, wherein said support table further comprises:
and the switching button is used for switching the red laser emitter and the blue laser emitter.
5. The hand-held laser three-dimensional scanner of claim 1,
the first camera and the second camera are both CCD cameras.
6. The hand-held laser three-dimensional scanner of claim 5,
the first camera inclines downwards by 5-30 degrees, and the second camera inclines upwards by 5-30 degrees.
7. The hand-held laser three-dimensional scanner according to any one of claims 1 to 6, wherein the base further comprises:
and the power supply module is used for supplying electric energy to the handheld laser three-dimensional scanner.
8. The hand-held laser three-dimensional scanner according to claim 7, wherein the base is further provided with a connection port.
9. The hand-held laser three-dimensional scanner of claim 7,
the controller adopts a singlechip.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120804221.XU CN214621026U (en) | 2021-04-19 | 2021-04-19 | Hand-held laser three-dimensional scanner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120804221.XU CN214621026U (en) | 2021-04-19 | 2021-04-19 | Hand-held laser three-dimensional scanner |
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| CN214621026U true CN214621026U (en) | 2021-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116222425A (en) * | 2023-02-16 | 2023-06-06 | 北京航达青云科技有限公司 | Three-dimensional reconstruction method and system based on multi-view three-dimensional scanning device |
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2021
- 2021-04-19 CN CN202120804221.XU patent/CN214621026U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116222425A (en) * | 2023-02-16 | 2023-06-06 | 北京航达青云科技有限公司 | Three-dimensional reconstruction method and system based on multi-view three-dimensional scanning device |
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