CN113048960B - Spatial position detection device and position adjustment method - Google Patents
Spatial position detection device and position adjustment method Download PDFInfo
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- CN113048960B CN113048960B CN202110392408.8A CN202110392408A CN113048960B CN 113048960 B CN113048960 B CN 113048960B CN 202110392408 A CN202110392408 A CN 202110392408A CN 113048960 B CN113048960 B CN 113048960B
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- 238000001514 detection method Methods 0.000 title claims abstract description 186
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000012360 testing method Methods 0.000 claims abstract description 34
- 230000000149 penetrating effect Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 description 3
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The application relates to the technical field of test equipment and discloses a spatial position detection device and a position adjustment method, wherein the detection device comprises: a bracket; the first detection sensor is arranged on the bracket and used for acquiring a first distance between the first detection sensor and a product to be detected along a first direction; the second detection sensor is arranged on the bracket and used for acquiring a second distance between the second detection sensor and a product to be detected along a second direction; the third detection sensor is arranged on the bracket and used for acquiring a third distance between the third detection sensor and a product to be detected along a third direction; the first direction, the second direction and the third direction are perpendicular to each other, and the extending directions of the three directions are in a converging trend. The spatial position detection device disclosed by the application can realize rapid and accurate position adjustment of products.
Description
Technical Field
The present disclosure relates to the field of test devices, and in particular, to a spatial position detection device and a position adjustment method.
Background
When the test platform needs to test a plurality of products to be tested (such as a camera module), the position of each product to be tested needs to be adjusted, and the existing method for adjusting the position is generally as follows:
firstly, adjusting each socket in the X direction and the Y direction by using a level instrument so that the readings of the level in the X direction and the Y direction are smaller than 0.1;
secondly, using a cross paying-off instrument to confirm each socket in the X direction and the Y direction, and visually confirming that the laser rays are in socket reference lines;
and thirdly, measuring the height of each socket by using a laser range finder to ensure that the heights of the sockets are consistent.
According to the method, the laser wire diameter emitted by the cross paying-off instrument is thicker, the accuracy of the reference wire aligned visually is low, so that the detection error is larger, repeated confirmation is needed, the position adjustment steps of each socket are more, the adjustment time is longer, and the production efficiency is inconvenient to improve.
Disclosure of Invention
The invention provides a spatial position detection device and a position adjustment method, which can realize rapid and accurate position adjustment of products.
In order to achieve the above object, the present invention provides a spatial position detection apparatus comprising:
a bracket;
the first detection sensor is arranged on the bracket and is used for transmitting a first signal which propagates along a first direction to the surface of a product to be detected and receiving a first signal reflected by the surface of the product to be detected so as to obtain a first distance between the first detection sensor and the product to be detected;
the second detection sensor is arranged on the bracket and is used for transmitting a second signal which propagates along a second direction to the surface of the product to be detected and receiving a second signal reflected back by the surface of the product to be detected so as to obtain a second distance between the second detection sensor and the product to be detected;
the third detection sensor is arranged on the bracket and is used for transmitting a third signal which propagates along a third direction to the surface of the product to be detected and receiving a third signal reflected back by the surface of the product to be detected so as to obtain a third distance between the third detection sensor and the product to be detected; wherein,
the first direction, the second direction and the third direction are perpendicular to each other, and the extending directions of the first direction, the second direction and the third direction are in a converging trend.
Above-mentioned spatial position detection device is through setting up the support to with first detection inductor, second detection inductor and third detection inductor install in the support, first detection inductor be used for obtaining its with wait to detect along the first distance of first direction between the product, the second detection inductor be used for obtaining its with wait to detect along the second distance of second direction between the product, the third detection inductor be used for obtaining its with wait to detect along the third distance of third direction between the product, because two liang are perpendicular between first direction, second direction and the third direction, above-mentioned spatial position detection device can obtain wait to detect the specific position of product in the space. When the spatial position of the product to be detected is required to be adjusted, the position of the product to be detected can be adjusted by providing a position calibration jig, taking away the position calibration jig after the position calibration jig on the test platform is used for determining the position of the product to be detected in all directions, placing the product to be detected on the test platform, acquiring the position information of the product to be detected in all directions, and then adjusting the spatial position of the product to be detected according to the position information of the position calibration jig.
According to the spatial position detection device, the first detection sensor, the second detection sensor and the third detection sensor are adopted to simultaneously acquire the position information of the product to be detected in all directions in the space, so that the product to be detected can be directly positioned at the unique position, the step of horizontal test can be omitted, the simultaneous test effect of the positions in all directions can be realized, the accuracy of the sensors is higher, the high accuracy of the test can be ensured, the adjustment step is simplified, and the production efficiency is improved.
Preferably, the first detection sensor is movably mounted to the bracket, and/or the second detection sensor is movably mounted to the bracket, and/or the third detection sensor is movably mounted to the bracket. Through the arrangement, the relative positions of the first detection sensor, the second detection sensor and the third detection sensor can be adjusted before the product is tested in space, so that the structure of different products can be adapted, and the accuracy of each test is guaranteed.
Preferably, the bracket comprises:
a first support bar extending in a first direction;
a first support block movably mounted to the first support bar in a first direction;
the second supporting rod is fixedly arranged on the first supporting block and extends along a second direction;
the second supporting blocks are respectively arranged on the second supporting rods in a movable way along a second direction;
the third supporting rod is fixedly arranged on the second supporting block and extends along a third direction;
and a third support block movably mounted to the third support bar in a third direction.
According to the structure of the support, the support rods and the support blocks can move relatively, so that the support blocks in the space can move in all directions, and the detection sensors can move conveniently.
Preferably, the first detection sensor, the second detection sensor and the third detection sensor are all mounted on the third supporting block. Through with first detection inductor second detection inductor and third detection inductor install on same supporting shoe, when being convenient for simplify the structure, still can guarantee the feasibility of the removal of each detection inductor in different directions.
Preferably, the bracket further includes a fourth support block movably mounted to the second support bar in a second direction;
one of the first detection sensor, the second detection sensor and the third detection sensor is arranged on the third supporting block, and the other two are arranged on the fourth supporting block; or alternatively, the first and second heat exchangers may be,
two of the first detection sensor, the second detection sensor and the third detection sensor are mounted on the third supporting block, and the other one is mounted on the fourth supporting block.
Above-mentioned supporting structure through increasing the fourth supporting shoe, installs one or two in the fourth supporting shoe in three detection inductor, and the rest is installed in the third supporting shoe, can be according to different demands with first detection inductor second detection inductor and third detection inductor selectively install on third supporting shoe or fourth supporting shoe, be convenient for adapt to different production demands.
Preferably, the fourth support block has a first through hole penetrating itself in the second direction, and the fourth support block is mounted to the second support bar through the first through hole. Above-mentioned structure is through setting up first through-hole on the fourth supporting shoe for install in the second bracing piece, simple structure still can guarantee the stability of structure.
Preferably, the third support block has a second through hole penetrating itself in a third direction, and the third support block is mounted to the third support bar through the second through hole;
the second supporting block is provided with a third through hole penetrating the second supporting block along a third direction and a fourth through hole penetrating the second supporting block along a second direction, the third supporting rod is mounted on the second supporting block through the third through hole, and the second supporting rod is mounted on the second supporting block through the fourth through hole;
the first support block is provided with a fifth through hole penetrating the first support block in the first direction and a mounting hole extending in the second direction, the first support block is mounted on the first support rod through the fifth through hole, and the second support rod is mounted on the first support block through the mounting hole.
Above-mentioned structure is through setting up through-hole or mounting hole on each supporting shoe to install in the bracing piece that corresponds respectively, not only simple structure, still can guarantee the stability of structure.
Preferably, the present invention further provides a method for adjusting the position of a product to be detected by using the spatial position detecting device according to any one of the above embodiments, the method comprising:
providing a position calibration jig, and placing the position calibration jig on a test platform;
acquiring first distance information between the position calibration jig and the first detection sensor along a first direction, acquiring second distance information between the position calibration jig and the second detection sensor along a second direction, and acquiring third distance information between the position calibration jig and the third detection sensor along a third direction;
placing a product to be detected on the test platform;
acquiring fourth distance information between the first detection sensor and the product to be detected along a first direction, acquiring fifth distance information between the second detection sensor and the product to be detected along a second direction, and acquiring sixth distance information between the third detection sensor and the product to be detected along a third direction;
and carrying out position adjustment on the test platform according to a first difference value between the first distance information and the fourth distance information, a second difference value between the second distance information and the fifth distance information and a third difference value between the third distance information and the sixth distance information respectively so as to enable the position of the product to be detected to be accurate.
According to the position adjustment method, the position calibration jig is placed on the test platform, the first distance information, the second distance information and the third distance information between the position calibration jig and the position calibration jig are obtained through the first detection sensor, the second detection sensor and the third detection sensor respectively, then the position calibration jig is taken away, a product to be detected is placed on the test platform, the fourth distance information, the fifth distance information and the sixth distance information between the position calibration jig and the product to be detected are obtained through the first detection sensor, the second detection sensor and the third detection sensor respectively, and then the position difference between the position calibration jig and the position calibration jig in all directions is calculated to adjust the position of the product to be detected.
Preferably, when the first detection sensor is movably mounted to the bracket, and/or the second detection sensor is movably mounted to the bracket, and/or the third detection sensor is movably mounted to the bracket,
the method comprises the steps of acquiring first distance information between the first detection sensor and the position calibration jig along a first direction, acquiring second distance information between the second detection sensor and the position calibration jig along a second direction, and further comprises the steps of:
adjusting the position of the first detection sensor, and/or adjusting the position of the second detection sensor, and/or adjusting the position of the third detection sensor.
According to the method, the positions of the detection sensors are adjusted before the detection sensors transmit signals, so that the detection sensors can be adjusted for different products to be detected, more accurate detection data can be obtained conveniently, and high accuracy of adjustment results is guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of a hollow detecting device according to an embodiment of the present application;
FIG. 2 is a schematic diagram of another structure of the air space detecting device according to the embodiment of the present application;
fig. 3 is a schematic structural view of a second supporting block according to an embodiment of the present application.
In the figure:
10-a first support bar; 20-a first support block; 30-a second support bar; 40-a second support block; 41-a third through hole; 42-fourth through holes; 50-fourth support blocks; 60-a third support bar; 70-a third support block; 71-a first support; 72-a second support; 73-a third support; 80-a first detection sensor; 90-a second detection sensor; 100-a third detection sensor; 110-position calibration jig; 120-mounting plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a spatial position detection apparatus, which includes: the bracket is arranged on the bracket, and comprises a first detection sensor 80, a second detection sensor 90 and a third detection sensor 100, wherein the first detection sensor 80 is used for transmitting a first signal which propagates along a first direction to the surface of a product to be detected and receiving a first signal which is reflected back by the surface of the product to be detected so as to obtain a first distance between the first detection sensor 80 and the product to be detected, the second detection sensor 90 is used for transmitting a second signal which propagates along a second direction to the surface of the product to be detected and receiving a second signal which is reflected back by the surface of the product to be detected so as to obtain a second distance between the second detection sensor 90 and the product to be detected, and the third detection sensor 100 is used for transmitting a third signal which propagates along a third direction to the surface of the product to be detected and receiving a third signal which is reflected back by the product to be detected so as to obtain a third distance between the third detection sensor 100 and the product to be detected, and the first direction, the second direction and the third direction are perpendicular to each other, and the extending directions of the three directions are in a converging trend.
The above-mentioned spatial position detection device, through setting up the support to with first detection inductor 80, second detection inductor 90 and third detection inductor 100 install in the support, first detection inductor 80 is used for acquireing its and waiting to detect the product between along the first distance of first direction, second detection inductor 90 is used for acquireing its and waiting to detect between the product along the second distance of second direction, third detection inductor 100 is used for acquireing its and waiting to detect between the product along the third distance of third direction, because two liang are perpendicular between first direction, second direction and the third direction, above-mentioned spatial position detection device can acquire waiting to detect the product in the concrete position in space. When the spatial position of the product to be detected is required to be adjusted, the position of the product to be detected can be adjusted by providing a position calibration jig, taking away the position calibration jig after the position calibration jig on the test platform is used for determining the position of the product to be detected in all directions, placing the product to be detected on the test platform, acquiring the position information of the product to be detected in all directions, and then adjusting the spatial position of the product to be detected according to the position information of the position calibration jig.
Compared with the prior art that levelness detection needs to be performed firstly, then the X direction and the Y direction are confirmed, and finally the scheme of height detection is adopted, the spatial position detection device can realize the direct positioning of the product to be detected at the unique position by only adopting the first detection sensor 80, the second detection sensor 90 and the third detection sensor 100 to simultaneously acquire the position information of the product to be detected in all directions in the space, so that the step of horizontal test can be omitted, the simultaneous test effect of the positions in all directions can be realized, the accuracy of the sensors is higher, the high accuracy of the test can be ensured, the adjustment step is simplified, and the production efficiency is improved.
The signals emitted by the first detection sensor 80, the second detection sensor 90, and the third detection sensor 100 may be optical signals, ultrasonic signals, millimeter wave signals, or the like, so long as the conditions of being emitted to the surface of the product to be detected and reflected back are satisfied, and the present application is not limited thereto.
In some embodiments, the first detecting sensor 80 is movably mounted on the stand, or/and the second detecting sensor 90 is movably mounted on the stand, and/or the third detecting sensor 100 is movably mounted on the stand, so that the relative positions of the first detecting sensor 80, the second detecting sensor 90 and the third detecting sensor 100 can be adjusted before testing the space position of the product, so as to adapt to the structures of different products, thereby ensuring the accuracy of each test.
Further, with continued reference to fig. 1, to facilitate movement of the first detection sensor 80, the second detection sensor 90, and the third detection sensor 100, the support may include:
a first support bar 10 extending in a first direction;
a first support block 20 movably mounted to the first support bar 10 in a first direction;
the second support bar 30 is fixedly installed on the first support block 20, and the second support bar 30 extends along the second direction;
second support blocks 40 respectively movably mounted to the second support bars 30 in a second direction;
the third support bar 60 fixedly installed to the second support block 40, the third support bar 60 extending in a third direction;
a third support block 70 movably mounted to the third support bar 60 in a third direction.
The structure of the support can relatively move between the support rods and the support blocks through the arrangement, so that the support blocks in the space can move in all directions, and the movement of the detection sensors can be facilitated, so that the support is suitable for testing requirements of different products to be detected.
On this basis, the first, second and third detecting sensors 80, 90 and 100 may be mounted to the third supporting block 70. By mounting the first detecting sensor 80, the second detecting sensor 90 and the third detecting sensor 100 on the third supporting block 70, the structure is simplified, and the feasibility of the movement of each detecting sensor in different directions can be ensured.
Alternatively, as shown in fig. 1, in other embodiments, the bracket may further include a fourth supporting block 50 movably installed to the second supporting bar 30 in the second direction; one of the first, second and third sensing sensors 80, 90 and 100 is mounted on the third support block 70, and the other two are mounted on the fourth support block 50, or two of the first, second and third sensing sensors 80, 90 and 100 are mounted on the third support block 70, and the other one is mounted on the fourth support block 50. In the above-mentioned support structure, by adding the fourth supporting block 50, one or two of the three detecting sensors are mounted on the fourth supporting block 50, and the rest is mounted on the third supporting block 70, so that the first detecting sensor 80, the second detecting sensor 90 and the third detecting sensor 100 can be selectively mounted on the third supporting block 70 or the fourth supporting block 50 according to different requirements, thereby being convenient for adapting to different production requirements.
It should be noted that the installation positions of the above-mentioned sensors are merely for illustration, and in this application, the installation positions of the detection sensors only need to satisfy that each emitted signal can be emitted to the surface of the product to be detected, and each detection sensor needs to satisfy that the positions can be adjusted in at least two directions.
As shown in fig. 1, the bracket includes a third supporting block 70 and a fourth supporting block 50, the third detecting sensor 100 is mounted on the fourth supporting block 50, and the first detecting sensor 80 and the second detecting sensor 90 are mounted on the third supporting block 70, so that when the third supporting block 70 moves relative to the third supporting rod 60, the first detecting sensor 80 and the second detecting sensor 90 mounted on the third supporting block 70 can be driven to adjust the positions in the third direction; when the fourth supporting block 50 moves relative to the second supporting rod 30, the position of the third detecting sensor 100 mounted on the fourth supporting block 50 in the second direction can be driven, and similarly, when the second supporting block 40 moves relative to the second supporting rod 30, the position of the first detecting sensor 80 and the second detecting sensor 90 mounted on the third supporting block 70 in the second direction can be driven; when the first supporting block 20 moves relative to the first supporting rod 10, all the detecting sensors can be driven to adjust the positions in the first direction.
Alternatively, the fourth supporting block 50 has a first through hole (not shown) penetrating itself in the second direction, and the fourth supporting block 50 is mounted to the second supporting bar 30 through the first through hole. The fourth supporting block 50 is arranged on the second supporting rod through the first through hole, so that the structure is simple, and the stability of the structure can be ensured.
Further, with continued reference to fig. 1, the third support block 70 includes a first support portion 71 for mounting the first detection sensor 80 and a second support portion 72 for mounting the second detection sensor 90, where the extending direction of the first support portion 71 and the extending direction of the second support portion 72 are perpendicular to each other. The above structure, because the first supporting part 71 and the second supporting part 72 are perpendicular to each other, is convenient to align when the first detecting sensor 80 and the second detecting sensor 90 are installed, thereby ensuring the accuracy of the direction of the transmitted signal and further ensuring the accuracy of the test result.
Further, the third support block 70 has a second through hole (not shown) penetrating itself in a third direction for allowing the third support block 70 to be mounted to the third support bar 60. In one implementation, the third supporting block 70 further includes a third supporting portion 73, the third supporting portion 73 and the first supporting portion 71 are located at two sides of the second supporting portion 72 along the second direction, and the second through hole is disposed in the third supporting portion 73. By providing the third supporting portion 73 and providing the second through hole in the third supporting portion 73, the third supporting block 70 is mounted on the third supporting rod 60, so that the third supporting block 70 is convenient to fix, and the use of the first detecting sensor 80 and the second detecting sensor 90 is not affected.
Further, as shown in fig. 3, the second support block 40 has a third through hole 41 penetrating itself in a third direction, and the third support bar 60 is mounted to the second support block 40 through the second through hole 41; the second support block 40 further has a fourth through hole 42 penetrating itself in the second direction, and the second support bar 30 is mounted to the second support block 40 through the fourth through hole 42; the first support block 20 has a fifth through hole (not shown) penetrating itself in the first direction, and the first support block 20 is mounted to the support bar 10 through the fifth through hole; the first support block 20 further has a mounting hole (not shown) extending in the second direction, and the second support bar 30 is mounted to the first support block 20 through the mounting hole. Above-mentioned structure is through setting up through-hole or mounting hole on each supporting shoe to be used for installing each supporting shoe in the bracing piece that corresponds respectively, not only simple structure, still can guarantee the stability of structure.
It should be noted that, the above-mentioned installation supporting block and bracing piece through setting up the through-hole, only as the illustration, the mode of connection to supporting block and bracing piece also can be other modes in this application, as long as can satisfy the supporting block and can remove for corresponding bracing piece, this application does not limit here.
Further, as shown in fig. 2, the bracket may further include a mounting plate 120, the mounting plate 120 having a fixing structure for fixing the first support bar 10, and the mounting plate 120 having a square structure may be conveniently installed in a smooth place such as a ceiling or a wall, so as to conveniently fix the entire adjusting device, thereby facilitating a subsequent test.
In some embodiments, the spatial position detecting device in the present application may further include an information module, where the information module is configured to record distance information between the first detecting sensor 80, the second detecting sensor 90, and the third detecting sensor 100 and the product to be detected, where the distance information is acquired, and after the distance information is acquired, the distance information in each direction may be further generated into a position data chart, so that the spatial position of the product to be detected may be quickly adjusted.
Based on the same inventive concept, the present invention may also provide a position adjustment method by using a spatial position detection device as in the present application, the method comprising the steps of:
s100: providing a position calibration jig 110, and placing the position calibration jig 110 on a test platform;
s200: acquiring first distance information between the first detection sensor 80 and the position calibration jig 110 along a first direction, acquiring second distance information between the second detection sensor 90 and the position calibration jig 110 along a second direction, and acquiring third distance information between the third detection sensor 100 and the position calibration jig 110 along a third direction;
s300: placing a product to be detected on a test platform;
s400: acquiring fourth distance information between the first detection sensor 80 and the product to be detected along a first direction, acquiring fifth distance information between the second detection sensor 90 and the product to be detected along a second direction, and acquiring sixth distance information between the third detection sensor 100 and the product to be detected along a third direction;
s500: and adjusting the position of the test platform according to the first difference value between the first distance information and the fourth distance information, the second difference value between the second distance information and the fifth distance information and the third difference value between the third distance information and the sixth distance information respectively to ensure that the position of the product to be detected is accurate.
According to the position adjustment method, the position calibration jig 110 is placed on the test platform, the first distance information, the second distance information and the third distance information between the position calibration jig 110 and the position calibration jig 110 are obtained by using the first detection sensor 80, the second detection sensor 90 and the third detection sensor 100, the position calibration jig 110 is taken away, a product to be detected is placed on the test platform, the fourth distance information, the fifth distance information and the sixth distance information between the position calibration jig 100 and the product to be detected are obtained by using the first detection sensor 80, the second detection sensor 90 and the third detection sensor 100, and then the position difference between the position calibration jig 100 and the position of the test platform in all directions is calculated to adjust the position of the product to be detected, so that the position adjustment accuracy of the product to be detected can be 0.001mm. In addition, the steps for adjusting the product to be detected are fewer, so that the adjustment time can be saved, and the production efficiency is improved.
It should be noted that, the surface of the position calibration jig 110 may be made of metal, so that accurate coordinate information can be obtained when each sensor transmits a signal, and in addition, a plurality of products to be detected can be placed in the turntable in sequence, and when one product to be detected completes detection, the next product to be detected can be tested by rotating the turntable.
In some embodiments, when the first detection sensor 80 is movably mounted to the bracket, and/or the second detection sensor 90 is movably mounted to the bracket, and/or the third detection sensor 100 is movably mounted to the bracket,
the method further comprises the steps of, before using the first detection sensor 80 to obtain first distance information between the first detection sensor and the position calibration jig 110 along the first direction, using the second detection sensor 90 to obtain second distance information between the second detection sensor and the position calibration jig 110 along the second direction, and using the third detection sensor 100 to obtain third distance information between the second detection sensor and the position calibration jig 110 along the third direction:
the position of the first detection sensor 80 is adjusted, and/or the position of the second detection sensor 90 is adjusted, and/or the position of the third detection sensor 100 is adjusted.
According to the method, the positions of the detection sensors are adjusted before the detection sensors transmit signals, so that the detection sensors can be adjusted for different products to be detected, more accurate detection data can be obtained conveniently, and high accuracy of adjustment results is guaranteed. After the positions of the detection sensors are adjusted, the values of the detection sensors may be zeroed before the position calibration jig 110 transmits signals.
It will be apparent to those skilled in the art that various modifications and variations can be made to the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. A spatial position detection apparatus, comprising:
a bracket;
the first detection sensor is arranged on the bracket and is used for transmitting a first signal which propagates along a first direction to the surface of a product to be detected and receiving a first signal reflected by the surface of the product to be detected so as to obtain a first distance between the first detection sensor and the product to be detected;
the second detection sensor is arranged on the bracket and is used for transmitting a second signal which propagates along a second direction to the surface of the product to be detected and receiving a second signal reflected back by the surface of the product to be detected so as to obtain a second distance between the second detection sensor and the product to be detected;
the third detection sensor is arranged on the bracket and is used for transmitting a third signal which propagates along a third direction to the surface of the product to be detected and receiving a third signal reflected back by the surface of the product to be detected so as to obtain a third distance between the third detection sensor and the product to be detected; wherein,
the first direction, the second direction and the third direction are perpendicular to each other, and the extending directions of the first direction, the second direction and the third direction are in a converging trend;
the first detection sensor is movably mounted on the bracket, and/or the second detection sensor is movably mounted on the bracket, and/or the third detection sensor is movably mounted on the bracket;
the bracket comprises:
a first support bar extending in a first direction;
a first support block movably mounted to the first support bar in a first direction;
the second supporting rod is fixedly arranged on the first supporting block and extends along a second direction;
a second support block movably mounted to the second support bar in a second direction;
the third supporting rod is fixedly arranged on the second supporting block and extends along a third direction;
and a third support block movably mounted to the third support bar in a third direction.
2. The spatial position detection apparatus according to claim 1, wherein the first detection sensor, the second detection sensor, and a third detection sensor are mounted to the third support block.
3. The spatial position detection apparatus according to claim 1, wherein said bracket further comprises a fourth support block movably mounted to said second support bar in a second direction;
one of the first detection sensor, the second detection sensor and the third detection sensor is arranged on the third supporting block, and the other two are arranged on the fourth supporting block; or alternatively, the first and second heat exchangers may be,
two of the first detection sensor, the second detection sensor and the third detection sensor are mounted on the third supporting block, and the other one is mounted on the fourth supporting block.
4. A spatial position detection apparatus according to claim 3 wherein said fourth support block has a first through hole penetrating itself in the second direction, said fourth support block being mounted to said second support bar through said first through hole.
5. The spatial position detection apparatus according to claim 1, wherein said third support block has a second through hole penetrating itself in a third direction, said third support block being mounted to said third support bar through said second through hole;
the second supporting block is provided with a third through hole penetrating the second supporting block along a third direction and a fourth through hole penetrating the second supporting block along a second direction, the third supporting rod is mounted on the second supporting block through the third through hole, and the second supporting rod is mounted on the second supporting block through the fourth through hole;
the first support block is provided with a fifth through hole penetrating the first support block in the first direction and a mounting hole extending in the second direction, the first support block is mounted on the first support rod through the fifth through hole, and the second support rod is mounted on the first support block through the mounting hole.
6. A method for adjusting the position of a product to be inspected using the spatial position detection apparatus according to any one of claims 1 to 5, comprising:
providing a position calibration jig, and placing the position calibration jig on a test platform;
acquiring first distance information between the position calibration jig and the first detection sensor along a first direction, acquiring second distance information between the position calibration jig and the second detection sensor along a second direction, and acquiring third distance information between the position calibration jig and the third detection sensor along a third direction;
placing a product to be detected on the test platform;
acquiring fourth distance information between the first detection sensor and the product to be detected along a first direction, acquiring fifth distance information between the second detection sensor and the product to be detected along a second direction, and acquiring sixth distance information between the third detection sensor and the product to be detected along a third direction;
and carrying out position adjustment on the test platform according to a first difference value between the first distance information and the fourth distance information, a second difference value between the second distance information and the fifth distance information and a third difference value between the third distance information and the sixth distance information respectively so as to enable the position of the product to be detected to be accurate.
7. The method of adjusting a position according to claim 6, wherein when the first detecting sensor is movably mounted to the bracket, and/or the second detecting sensor is movably mounted to the bracket, and/or the third detecting sensor is movably mounted to the bracket,
the method comprises the steps of acquiring first distance information between the first detection sensor and the position calibration jig along a first direction, acquiring second distance information between the second detection sensor and the position calibration jig along a second direction, and further comprises the steps of:
adjusting the position of the first detection sensor, and/or adjusting the position of the second detection sensor, and/or adjusting the position of the third detection sensor.
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