CN209230549U - A kind of equipment measuring body form - Google Patents
A kind of equipment measuring body form Download PDFInfo
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- CN209230549U CN209230549U CN201822136093.7U CN201822136093U CN209230549U CN 209230549 U CN209230549 U CN 209230549U CN 201822136093 U CN201822136093 U CN 201822136093U CN 209230549 U CN209230549 U CN 209230549U
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- light
- detection light
- light source
- crossbar switch
- optical crossbar
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model discloses a kind of equipment for measuring body form, including light source, the first optical crossbar switch, sensor and processing unit, the detection light that the light source issues is demarcated in first optical crossbar switch, detection light by calibration is radiated at testee surface, it is received after reflection by the sensor, then enters back into the processing unit.When use, we judge the distance of spot distance light source using the time difference that detection light sends and receives, the angle that coordinate and detection light further according to light source issue, calculate the coordinate of luminous point, multiple positions on testee are irradiated by detection light, the coordinate of luminous point is calculated, the shape of our available testees.It is opened the light, the light of sending is demarcated, we may insure which position the light received is using light intersection, utilize the qualified shape for filling measurement object, the speed of measurement greatly promotes, as long as while clock the enough height of accuracy, our measurement accuracy it is also ensured that.
Description
Technical field
The utility model relates to field of measuring technique, a kind of measurement object distance, shape and speed are more particularly related to
Equipment.
Background technique
The equipment for measuring the shape of object on the market at present probably has so several, and one is three-coordinates measuring machines, this
The movement of equipment utilization detecting head is contacted with testee, is then obtained the coordinate of each measurement point, is formed testee
The point cloud of profile, and the shape of testee is obtained, this measurement method is the most accurate, but since detecting head is by mobile flat
Platform is moved, but the limited speed that mobile platform is mobile, so measuring speed is slower, and three-coordinates measuring machine cost compared with
It is high.
Another is beaten on testee using light source, and luminous point is formed, then again with special detecting devices, detection
The coordinate of luminous point, after the position for measuring enough luminous points, the point cloud of available testee surface profile, to be produced
The shape of product.The speed of this mode ratio, mobile luminous point is more many fastly than mobile detecting head, but can only once measure testee
On a point coordinate, so speed is still not fast enough, it is therefore necessary to be improved.
Summary of the invention
In view of the deficiencies of the prior art, the utility model provides a kind of equipment for measuring body form, being capable of rapid survey
The shape of object.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of equipment for measuring body form, packet
Light source, the first optical crossbar switch, sensor and processing unit are included, the detection light that the light source issues is opened in first light intersection
It is demarcated inside the Pass, the detection light by calibration is radiated at testee surface, is received after reflection by the sensor, then again
Into the processing unit.In use, we judge spot distance light source using the time difference that detection light sends and receives
Distance, the angle that coordinate and detection light further according to light source issue calculates the coordinate of luminous point, tested by detection light irradiation
Multiple positions on object, are calculated the coordinate of luminous point, the shape of our available testees.It is opened the light using light intersection,
The light of sending is demarcated, we may insure which position the light received is, utilize the qualified shape for filling measurement object
The speed of shape, measurement greatly promotes, as long as while clock the enough height of accuracy, our measurement accuracy it is also ensured that.
In above-mentioned technical proposal, it is preferred that the light source has one, and the light source issues a branch of detection light to described first
Optical crossbar switch is divided into multi beam by first optical crossbar switch.This mode, a light source can be visited to multi beam is simultaneously emitted by
Light is surveyed, while measuring the position of multiple points on testee, the speed of measurement greatly promotes.
In above-mentioned technical proposal, it is preferred that impinge upon after the detection light that reflects on testee received by the sensor, quilt
The second pass crossbar switch synthesis passes to the processing unit all the way.
In above-mentioned technical proposal, it is preferred that the detection light that the light source issues is transmitted to first light by optical fiber and intersects
Switch.
In above-mentioned technical proposal, it is preferred that the light source is light-pulse generator.
A method of measurement body form includes the following steps:
1) light source issues detection light L0, and simultaneity factor records the sending time T0 of detection light；
2) detection light is transported to the first optical crossbar switch input terminal, is divided into multichannel by first optical crossbar switch
Light, while first optical crossbar switch is irradiated on testee every line structure light after calibration, every beam is visited after calibration
It surveys light and is respectively defined as (L1, L2 ... LN);
3) detection light forms luminous point dot matrix on testee, and the reflected light on testee is received by the sensor,
Second optical crossbar switch is entered back into, the detection light of multichannel is merged into in all the way, the processing unit, institute are entered back into
It states processing unit and measures respectively and obtain the time (T1, T2 ... TN) that every beam detection light reaches, we can calculate each in this way
On testee each luminous point to survey meter distance, while according to detection light issue position, obtain the coordinate of each luminous point,
The appearance profile of product is obtained by the coordinate of each luminous point again.
The beneficial effects of the utility model are: in use, we are sentenced using the time difference that detection light sends and receives
The distance of disconnected spot distance light source, the angle that coordinate and detection light further according to light source issue, calculates the coordinate of luminous point, passes through
Multiple positions on light irradiation testee are detected, the coordinate of luminous point are calculated, the shape of our available testees.Benefit
It uses up intersection to open the light, the light of sending is demarcated, we may insure which position the light received is, be filled using qualification
Measure the shape of object, the speed of measurement greatly promotes, as long as while clock the enough height of accuracy, our measurement accuracy can also
To guarantee.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model.
Fig. 2 is a kind of schematic diagram of optical crossbar switch suitable for the utility model.
Fig. 3 is the schematic diagram of another optical crossbar switch for being suitable for the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description:
Referring to Fig. 1, a kind of equipment measuring body form, including light-pulse generator 1, the first optical crossbar switch 2, the second light are handed over
Fork closes 3, sensor 4 and processing unit 5.
The light-pulse generator 1 issues a branch of detection light, and the input port of first optical crossbar switch 2 is transmitted to by optical fiber,
Multi beam is divided by first optical crossbar switch 2, while every beam detection light is marked in first optical crossbar switch 2
Fixed, the detection light by calibration is radiated at 6 surface of testee, is received after reflection by the sensor 4, impinges upon testee 6
After the detection light of upper reflection is received by the sensor 4, the processing is passed to by the second pass synthesis of crossbar switch 3 all the way
Unit 5.
In use, we judge the distance of spot distance light source using the time difference that detection light sends and receives, then
According to the angle that the coordinate of light source and detection light issue, the coordinate of luminous point is calculated, is irradiated by detection light more on testee
The coordinate of luminous point is calculated in a position, the shape of our available testees.It is opened the light using light intersection, to sending
Light is demarcated, we may insure which position the light received is, the shape of object is measured using qualified dress, measurement
Speed greatly promotes, as long as while clock the enough height of accuracy, our measurement accuracy it is also ensured that.
In use, we are opened the light using light intersection, and it can be to multi beam detection light be simultaneously emitted by, the speed of measurement mentions significantly
Rise, as long as while clock the enough height of accuracy, our measurement accuracy it is also ensured that.
The detection light reflected on testee is impinged upon by after sensor reception, closes crossbar switch synthesis by described second
The processing unit is passed to all the way.
Referring to figs. 2 and 3, the optical crossbar switch form used in the utility model can there are many, it is as shown in Figure 2
MEMS tilting mirror switch and LC photoswitch shown in Fig. 3 or other any optical crossbar switches.
A method of measurement body form includes the following steps:
1) light source issues detection light L0, and simultaneity factor records the sending time T0 of detection light；
2) detection light is transported to the first optical crossbar switch input terminal, is divided into multichannel by first optical crossbar switch
Light, while first optical crossbar switch is irradiated on testee every line structure light after calibration, every beam is visited after calibration
It surveys light and is respectively defined as (L1, L2 ... LN);
3) detection light forms luminous point dot matrix on testee, and the reflected light on testee is received by the sensor,
Second optical crossbar switch is entered back into, the detection light of multichannel is merged into in all the way, the processing unit, institute are entered back into
It states processing unit and measures respectively and obtain the time (T1, T2 ... TN) that every beam detection light reaches, we can calculate each in this way
On testee each luminous point to survey meter distance, while according to detection light issue position, obtain the coordinate of each luminous point,
The appearance profile of product is obtained by the coordinate of each luminous point again.
Claims (5)
1. a kind of equipment for measuring body form, it is characterised in that: including light source, the first optical crossbar switch, sensor and processing
Unit, the detection light that the light source issues are demarcated in first optical crossbar switch, the detection light irradiation by calibration
It on testee surface, is received after reflection by the sensor, then enters back into the processing unit.
2. the equipment of measurement body form according to claim 1, it is characterised in that: the light source has one, the light
Source issues a branch of detection light to first optical crossbar switch, is divided into multi beam by first optical crossbar switch.
3. the equipment of measurement body form according to claim 2, it is characterised in that: it further include the second optical crossbar switch,
The detection light reflected on testee is impinged upon by after sensor reception, is transmitted all the way by second optical crossbar switch synthesis
To the processing unit.
4. the equipment of measurement body form according to claim 2, it is characterised in that: the detection light that the light source issues by
Optical fiber is transmitted to first optical crossbar switch.
5. the equipment of measurement body form according to claim 1, it is characterised in that: the light source is light-pulse generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822136093.7U CN209230549U (en) | 2018-12-19 | 2018-12-19 | A kind of equipment measuring body form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822136093.7U CN209230549U (en) | 2018-12-19 | 2018-12-19 | A kind of equipment measuring body form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209230549U true CN209230549U (en) | 2019-08-09 |
Family
ID=67508383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822136093.7U Active CN209230549U (en) | 2018-12-19 | 2018-12-19 | A kind of equipment measuring body form |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209230549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443243A (en) * | 2018-12-19 | 2019-03-08 | 孙志军 | A kind of equipment and measurement method measuring body form |
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2018
- 2018-12-19 CN CN201822136093.7U patent/CN209230549U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443243A (en) * | 2018-12-19 | 2019-03-08 | 孙志军 | A kind of equipment and measurement method measuring body form |
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