CN206258073U - A kind of spiral three-dimensional scanner - Google Patents
A kind of spiral three-dimensional scanner Download PDFInfo
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- CN206258073U CN206258073U CN201621313021.XU CN201621313021U CN206258073U CN 206258073 U CN206258073 U CN 206258073U CN 201621313021 U CN201621313021 U CN 201621313021U CN 206258073 U CN206258073 U CN 206258073U
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- displacement transducer
- straight
- turntable
- line motion
- contact displacement
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Abstract
The utility model discloses a kind of spiral three-dimensional scanner, including computing unit and scanning element, pass through cable connection between the computing unit and scanning element, scanning element includes non-contact displacement transducer, rotating mechanism and straight-line motion mechanism, computing unit includes computer, straight-line motion mechanism is located on bottom and straight-line motion mechanism and is provided with objective table, the both sides of straight-line motion mechanism are provided with the first motor and displacement quantity sensor, the bottom of top and rotating mechanism that rotating mechanism is fixed on straight-line motion mechanism by fixed support is provided with non-contact displacement transducer, non-contact displacement transducer is electrically connected with computing unit, rotating mechanism includes turntable, axle sleeve, belt, rotation information encoder, slip ring and the second motor.The device low production cost, sweep limits is big, and scanning accuracy is high, can meet the use demand of people, and using effect is good.
Description
Technical field
The utility model is related to a kind of scanning means, specifically a kind of spiral three-dimensional scanner.
Background technology
3-D scanning is to integrate light, mechanical, electrical and computer technology new and high technology, is mainly used in outside to object space
Shape and structure and color are scanned, to obtain the space coordinates of body surface.Its significance is being capable of material object
Steric information is converted to the data signal of the direct treatment of computer capacity, for material object digitlization provides quite conveniently hand
Section.Existing use non-contact displacement transducer carries out the technology of object dimensional scanning, it is common that use straight-line motion mechanism
Drives line laser displacement sensor is scanned, or is carried out using two axial plane motions driving dot laser displacement transducer
The mode of scanning realizes 3-D scanning.
Subject matter with the scan mode of straight-line motion mechanism drives line laser displacement sensor is to work as linear motion
The direct of travel of mechanism is defined as X-direction, and displacement transducer elevation carrection direction is defined as Z-direction, and this two axle is simultaneously
When vertical direction is Y-direction, the certainty of measurement of Y-direction is measurement range divided by the resolution ratio of line laser displacement transducer
Value, therefore, there is the contradiction that can not be improved simultaneously between scope and precision.Meanwhile, line laser displacement transducer swashs compared to point
Optical displacement sensor, cost is high.The master of the scan mode of dot laser displacement transducer is driven using two axial plane motions
It is that two axial plane motion structures are more more complicated than straight-line motion mechanism to want problem, and position control requirement is higher；Meanwhile, because
During scanning use straight reciprocating motion, sweep time is less efficient, and needs to carry out mechanism feed speed control, mechanism wear compared with
Seriously, this is all for the use of people brings inconvenience.
Utility model content
The purpose of this utility model is to provide a kind of spiral three-dimensional scanner, to solve to be carried in above-mentioned background technology
The problem for going out.
To achieve the above object, the utility model provides following technical scheme：
A kind of spiral three-dimensional scanner, including computing unit and scanning element, the computing unit and scanning element
Between by cable connection, scanning element includes non-contact displacement transducer, rotating mechanism and straight-line motion mechanism, calculates single
Unit includes computer, and straight-line motion mechanism is located at and objective table is provided with bottom and straight-line motion mechanism, and move along a straight line machine
The both sides of structure are provided with the first motor and displacement quantity sensor, and rotating mechanism is fixed on straight-line motion mechanism by fixed support
The bottom of top and rotating mechanism is provided with non-contact displacement transducer, non-contact displacement transducer and computing unit electricity
Connection, rotating mechanism includes turntable, axle sleeve, belt, rotation information encoder, slip ring and the second motor, contactless displacement
Sensor is arranged on and rotation information encoder is provided with the bottom of turntable and turntable, and two axle sleeves are separately mounted to admittedly
It is connected by belt between the two ends of fixed rack and axle sleeve, an axle sleeve is connected with turntable and this axle sleeve upper end is provided with
Slip ring, another axle sleeve upper end is provided with the second motor.
As further program of the utility model：The bottom of turntable is provided with installation site adjustable plate.
As further program of the utility model：Straight-line motion mechanism is entered using belt, linear guides or magnetic suspension
Row motion, the quantity of non-contact displacement transducer is more than one, and non-contact displacement transducer is evenly distributed in rotation
The bottom of platform.
As further program of the utility model：Non-contact displacement transducer is dot laser rangefinder, infrared distance measurement
One kind of instrument or ultrasonic distance measuring apparatus.
Compared with prior art, the beneficial effects of the utility model are：The device is reasonable in design, simple structure, fault rate
It is low, safety in utilization and good operation stability；The device low production cost, sweep limits is big, and scanning accuracy is high, can meet people
Use demand, using effect is good.
Brief description of the drawings
Fig. 1 is the structural representation of spiral three-dimensional scanner.
Fig. 2 is the structural representation of scanning element in spiral three-dimensional scanner.
Fig. 3 is the structural representation of rotating mechanism in spiral three-dimensional scanner.
Fig. 4 is the upward view of turntable in spiral three-dimensional scanner.
Fig. 5 is the scanning pattern schematic diagram formed on X/Y plane in spiral three-dimensional scanner.
Fig. 6 is the three-dimensional point cloud schematic diagram of acquisition in spiral three-dimensional scanner.
Wherein：1- computing units, 2- scanning elements, 3- is scanned object, 4- non-contact displacement transducers, 5- straight lines fortune
Motivation structure, the motors of 6- first, 7- displacement quantity sensors, 8- fixed supports, 11- turntables, 12- axle sleeves, 13- belts, 14- rotations
Info encoder, 15- slip rings, the motors of 16- second, 19- installation site adjustable plates.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Refer to Fig. 1-6, a kind of spiral three-dimensional scanner, including computing unit 1 and scanning element 2, the calculating
By cable connection between unit 1 and scanning element 2, scanning element 2 include non-contact displacement transducer 4, rotating mechanism and
Straight-line motion mechanism 5, computing unit 1 includes computer, and straight-line motion mechanism 5 is located on bottom and straight-line motion mechanism 5
Objective table is provided with, the both sides of straight-line motion mechanism 5 are provided with the first motor 6 and displacement quantity sensor 7, and rotating mechanism is by solid
The bottom of top and rotating mechanism that fixed rack 8 is fixed on straight-line motion mechanism 5 is provided with non-contact displacement transducer 4,
Non-contact displacement transducer 4 is electrically connected with computing unit 1, and rotating mechanism includes turntable 11, axle sleeve 12, belt 13, rotation
Info encoder 14, the motor 16 of slip ring 15 and second, non-contact displacement transducer 4 are arranged on the bottom of turntable 11 and revolve
Rotation information encoder 14 is provided with turntable 11, two axle sleeves 12 are separately mounted to two ends and the axle sleeve 12 of fixed support 8
Between by belt 13 be connected, an axle sleeve 12 is connected with turntable 11 and this upper end of axle sleeve 12 is provided with slip ring 15, another
The upper end of individual axle sleeve 12 is provided with the second motor 16.The bottom of turntable 11 is provided with installation site adjustable plate 19, thus it is possible to vary rotation
Installation site of the non-contact displacement transducer 4 on turntable 11.Straight-line motion mechanism 5 using belt, linear guides or
Magnetic suspension campaign, the quantity of non-contact displacement transducer 4 is more than one, and non-contact displacement transducer 4 is uniform
It is distributed in the bottom of turntable 11.Non-contact displacement transducer 4 is dot laser rangefinder, infrared range-measurement system or supersonic sounding
One kind of instrument, but it is not limited only to these three devices.
Operation principle of the present utility model is：Turntable 11 can also use solid construction using hollow-core construction.Meter
Unit 1 and scanning element 2 are calculated by cable connection, rotating mechanism drives non-contact displacement transducer 4 to rotate, move along a straight line machine
Structure 5 drives scanned object 3 by the lower section of turntable 11, and the position of the angle signal of rotating mechanism, straight-line motion mechanism 5 is believed
Number and the output signal of non-contact displacement transducer 4 be transferred to computing unit 1, computing unit 1 reads contactless displacement and passes
The position output result of the output result of sensor 4, the anglec of rotation output result of rotating mechanism and straight-line motion mechanism 5, leads to
Cross and calculate so as to generate the three-dimensional information of scanned object 3, carry out three-dimensional modeling treatment.The Measurement Resolution of X-direction is main
Depending on the gait of march of straight-line motion mechanism 5, the Measurement Resolution of Y direction depends primarily on the rotary speed of turntable 11
And installation site of the non-contact displacement transducer 4 on the radial direction of turntable 11, the resolution ratio of Z-direction mainly depends on
In the certainty of measurement of itself of non-contact displacement transducer 4.Constructed by the present apparatus, can effectively solve existing line laser displacement
The contradiction of resolution ratio and measurement range present in sensor and straight line fortune machine Mechanism Combination implementation.In addition, this whirler
Structure and two axial plane motions are compared, simple structure and scan efficiency is high, in the absence of acceleration and deceleration in reciprocating motion to equipment sheet
The effect of attrition of body.
The workflow of the device, comprises the following steps that：
Step one, the laggard scanning frequency degree setting of opening of device, rotating mechanism and straight-line motion mechanism start simultaneously at motion, move
After speed reaches command speed, scanned object is placed on the stage surface of straight-line motion mechanism；
Step 2, computing unit started at each time point, and high-speed synchronous obtain the defeated of non-contact displacement transducer
Go out the position output result of result, the anglec of rotation output result of rotating mechanism, and straight-line motion mechanism, three data are passed through
Three-D coordinate X (t) of measured point is calculated, Y (t), Z (t) are preserved as the coordinate information of a spatial point；
The rotary speed of fixed position r and current turntable by non-contact displacement transducer on turntable radial direction
ω, the horizontal movement speed of linear motion unit is V (t), and the locus for calculating current scanned point is as follows：
X (t)=rSin (ω t)+v (t)；Y (t)=rCos (ω t)；
Step 3, after scanned object removes the scanning area below rotating mechanism, this end of scan, computing unit
The whole scanning space point results of output.
The device is reasonable in design, and simple structure, fault rate is low, safety in utilization and good operation stability；The device is produced
Low cost, sweep limits is big, and scanning accuracy is high, can meet the use demand of people, and using effect is good.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (4)
1. a kind of spiral three-dimensional scanner, it is characterised in that including computing unit and scanning element, the computing unit and
By cable connection between scanning element, scanning element includes non-contact displacement transducer, rotating mechanism and linear motion machine
Structure, computing unit includes computer, and straight-line motion mechanism is located on bottom and straight-line motion mechanism and is provided with objective table, directly
The both sides of line movement mechanism are provided with the first motor and displacement quantity sensor, and rotating mechanism is fixed on straight line and transports by fixed support
The top of motivation structure and the bottom of rotating mechanism are provided with non-contact displacement transducer, non-contact displacement transducer and meter
Unit electrical connection is calculated, rotating mechanism includes turntable, axle sleeve, belt, rotation information encoder, slip ring and the second motor, non-to connect
Touch displacement transducer is arranged on and rotation information encoder is provided with the bottom of turntable and turntable, two axle sleeve difference
It is connected by belt between support bracket fastened two ends and axle sleeve, an axle sleeve is connected and on this axle sleeve with turntable
End is provided with slip ring, and another axle sleeve upper end is provided with the second motor.
2. spiral three-dimensional scanner according to claim 1, it is characterised in that the bottom of the turntable is provided with
Installation site adjustable plate.
3. spiral three-dimensional scanner according to claim 1 and 2, it is characterised in that the straight-line motion mechanism is adopted
With belt, linear guides or magnetic suspension campaign, the quantity of non-contact displacement transducer is more than one, contactless
Displacement transducer is evenly distributed in the bottom of turntable.
4. spiral three-dimensional scanner according to claim 1, it is characterised in that the non-contact displacement transducer
It is one kind of dot laser rangefinder, infrared range-measurement system or ultrasonic distance measuring apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621313021.XU CN206258073U (en) | 2016-12-02 | 2016-12-02 | A kind of spiral three-dimensional scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621313021.XU CN206258073U (en) | 2016-12-02 | 2016-12-02 | A kind of spiral three-dimensional scanner |
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| Publication Number | Publication Date |
|---|---|
| CN206258073U true CN206258073U (en) | 2017-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621313021.XU Active CN206258073U (en) | 2016-12-02 | 2016-12-02 | A kind of spiral three-dimensional scanner |
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| CN (1) | CN206258073U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524915A (en) * | 2016-12-02 | 2017-03-22 | 上海弼智仿生高科技有限公司 | Spiral three-dimensional scanning device and working flow thereof |
| CN108301660A (en) * | 2017-12-31 | 2018-07-20 | 湖南有位智能科技有限公司 | Parking systems and its automatic reset system, auto-reset method |
-
2016
- 2016-12-02 CN CN201621313021.XU patent/CN206258073U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524915A (en) * | 2016-12-02 | 2017-03-22 | 上海弼智仿生高科技有限公司 | Spiral three-dimensional scanning device and working flow thereof |
| CN108301660A (en) * | 2017-12-31 | 2018-07-20 | 湖南有位智能科技有限公司 | Parking systems and its automatic reset system, auto-reset method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220407 Address after: 230088 a14-5, 13 / F, block a, building J1, phase II, innovation industrial park, No. 2800, innovation Avenue, high tech Zone, Hefei, Anhui Province Patentee after: Anhui aiguan Vision Technology Co.,Ltd. Address before: 200233 room 1104-2, No. 2222, Huancheng Road, Juyuan new area, Jiading District, Shanghai Patentee before: SHANGHAI BIZHI BIONIC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |