CN109525835A - A kind of camera active calibration tolerance fixture - Google Patents
A kind of camera active calibration tolerance fixture Download PDFInfo
- Publication number
- CN109525835A CN109525835A CN201811315580.8A CN201811315580A CN109525835A CN 109525835 A CN109525835 A CN 109525835A CN 201811315580 A CN201811315580 A CN 201811315580A CN 109525835 A CN109525835 A CN 109525835A
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- Prior art keywords
- movable part
- camera
- high frequency
- tolerance
- frequency probe
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The present invention relates to a kind of camera active calibration tolerance fixtures, including shell, the housing upper surface is provided with the mounting base for installing camera, it is equipped with above the mounting base for the upper cover that camera is fixed, the upper cover passes through the slide bar that surface on the housing is arranged, and is slidably connected with the shell；In the intracorporal tolerance mechanism connection of the shell, the tolerance mechanism is equipped with moveable high frequency probe, the high frequency probe and the coaxial connector communication connection that camera bottom is arranged in for the mounting base bottom and setting；The beneficial effect is that: high frequency probe can be moved in the tolerance mechanism according to coaxial connector position, effectively avoid the tolerance that coaxial connector generates during the manufacturing, its contact stabilization and production efficiency is greatly improved.
Description
Technical field
The present invention relates to vehicle electronics technical field, in particular to a kind of camera active calibration tolerance fixture.
Background technique
With the development of automobile industry, it is more and more extensive that automobile intelligent assists driving technology to apply, and vehicle-mounted camera is present
Substantially at the standard fitting of automobile, camera pixel has been promoted to million grades at present, and camera active calibration equipment is gradually
It is concerned and is widely applied at home；In the prior art, the mainstream communication modes that camera is connected thereto equipment are by same
Mandrel connector is communicated, since coaxial connector is from during manufacturing, can generate structure tolerance, patch tolerance,
Build-up tolerance etc., tolerance has reached 0.35mm, has exceeded now general camera fixture on the market and coaxially connects to camera
The margin of tolerance for connecing device causes the contact stabilization of the high frequency probe and coaxial connector on camera fixture very low, is focusing
It is extremely low to light stability for camera in the process, seriously affects production efficiency.
Summary of the invention
In order to solve the above technical problems, The present invention provides a kind of camera active calibration tolerance fixture, including shell,
The housing upper surface is provided with the mounting base for installing camera, is equipped with above the mounting base for fixing camera
Upper cover, the upper cover is slidably connected by the slide bar on setting surface on the housing with the shell；The mounting base bottom
In the intracorporal tolerance mechanism connection of the shell, the tolerance mechanism is equipped with moveable high frequency probe, the high frequency for portion and setting
Probe and the coaxial connector communication connection that camera bottom is arranged in, the upper cover two sides are set on the slide bar, pass through
The upper cover sliding opening is slided in fixing camera when installing camera with being slidably connected for the slide bar
Dynamic to be placed on right above the mounting base, the camera is fixed by mounting base, the elastic rod and the upper cover, since high frequency is visited
Needle can be moved in the tolerance mechanism according to coaxial connector position, effectively avoided coaxial connector and made in production
The tolerance generated during making, is greatly improved its contact stabilization.
Further, the tolerance mechanism further includes pedestal, the first movable part, the second movable part, first movable part
One end is provided with first positioning hole, and second movable part is equipped with the first positioning pin to match with the first positioning hole；Institute
It states the first positioning pin and protrudes into the first positioning hole, and the positioning pin is movable in the first positioning hole；Described first is living
Moving part is set there are two axle sleeve, and second movable part is equipped with a threaded hole, is connected by the rotation of bolt one being fixed on screw hole
It connects；Second movable part the other end is additionally provided with snap ring, and the high frequency probe is arranged in the snap ring；Described second is living
Moving part is that axis is rotated with the bolt one being fixed on first movable part, so that the height of second movable part is arranged in
Frequency probe is moved, to adapt to the tolerance generated during camera coaxial connector is manufactured, meanwhile, described second
When movable part is rotated, first positioning pin is movable in the first positioning hole, when the second movable part turns to centainly
When amplitude, first positioning pin is limited on the inside of the first positioning hole, its second movable part is made to stop operating.
Further, it is fixed with mounting rack on the pedestal, first movable part sets that there are two axle sleeve, the mounting racks
Equipped with a threaded hole, it is rotatablely connected by the bolt two being fixed on screw hole, is additionally provided with and the spiral shell on the mounting rack
The second positioning pin that bolt two is disposed adjacent, first movable part are equipped with second location hole, and second positioning pin protrudes into described
In second location hole, and second positioning pin is movable in the second location hole；First movable part is in the installation
It is rotated on frame with bolt two for axis, first movable part drives the second movable part and high frequency probe to be rotated, and realizes
The bigger displacement amplitude of high frequency probe, meanwhile, when first movable part is rotated, second positioning pin is described
Two positioning hole activities, when the first movable part turns to certain amplitude, second positioning pin is limited in second positioning
On the inside of hole, its first movable part is made to stop operating.
Further, it is equipped with syringe needle at the top of the high frequency probe, digs on the outside of the syringe needle for for the same of camera
The annular groove of mandrel connector insertion, the annular groove connect to form inclined surface or arcwall face with the high frequency probe outer surface；Institute
It states high frequency probe and the snap ring that is fixed is displaced downwardly to bottom under external force, after camera is fixed on the mounting base, pressing from both sides
Under the action of having contained spring, the high frequency probe of tolerance mechanism, which can move upwards, is back to initial position, and high frequency probe is in rising
In the process, inclined surface or arcwall face of the camera coaxial connector along the high frequency probe makes the high frequency probe stress, leads to
Cross first movable part, second movable part is displaced, to adapt to the position of coaxial connector, the syringe needle is inserted completely
Enter coaxial connector, completes connection.
Further, the displacement radius of the high frequency probe is 0.35mm-0.45mm, and the width of inclined surface or arcwall face is
0.35mm-0.45mm to adapt to the tolerances of most of coaxial connectors, such as occur tolerance it is larger when, can by adjust positioning pin with
The width of the gap of location hole and the inclined surface of high frequency probe or arcwall face, is adjusted.
Further, second movable part bottom is connected with connecting plate, and the connecting plate is set to and digs in the pedestal
On through slot on, and the connecting plate is movable in the through slot, when second movable part is rotated, drives the connection
Plate is movable in the through slot, and when the second movable part turns to certain amplitude, the through slot inner wall passes through to the connecting plate
Limitation, and then limit the rotation of second movable part.
Further, the collar outer surface has also dug sliding slot, and second movable part, which has been dug, is placed on the sliding slot
On first through hole, be additionally provided with elastic component between the snap ring and the connecting plate, the snap ring and second movable part
Movable connection generates buffering due to the setting of elastic component and sliding slot when the high frequency probe and coaxial connector are attached
Effect reduces the damage to the high frequency probe and coaxial connector, improves its contact stabilization.
Further, the mounting rack is equipped with the extension protruded into below second movable part, sets on the extension board
There is reset steel wire, the reset steel wire upper end is fixed on second movable part, and the reset steel wire is unloaded in tolerance fixture,
When not connecting with camera, the probe is made to restore initial position automatically, so as to next time with the connection of camera.
Further, the reset fixation with steel wire in the extension board or is connected on the bolt of the extension board, institute
Stating reset steel wire can be fixed in the groove inside the extension board, by gluing or integrated molding, be fastenedly connected it, can also make
The reset steel wire is connected on the bolt of the extension board, is locked by clamping.
Further, an at least elastic rod is additionally provided on the pedestal, the mounting base bottom has been dug and the bullet
The second through-hole that bar matches, is arranged in the camera in the mounting base, by the elastic rod, the mounting base and it is described on
Lid fixing camera.
A kind of camera active calibration tolerance fixture of the invention, the beneficial effect is that: (1) high frequency probe is in the appearance
It can be moved according to coaxial connector position in poor mechanism, effectively avoid coaxial connector and produced during the manufacturing
Its contact stabilization and production efficiency is greatly improved in raw tolerance；(2) reset steel wire setting avoid high frequency probe with it is coaxial
The direct collision of connector, improves the service life of high frequency probe and coaxial connector, while also improving contact stabilization.
Detailed description of the invention
Fig. 1 is the tolerance clamp structure schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the tolerance framework perspective view one of the embodiment of the present invention 1；
Fig. 3 is the tolerance framework perspective view two of the embodiment of the present invention 1；
Fig. 4 is that the camera of the embodiment of the present invention 1 lights test result schematic diagram；
Wherein, 1- shell, 2- mounting base, 3- tolerance mechanism, 4- upper cover, 5- slide bar, the second through-hole of 21-, 31- pedestal, 32- first
Movable part, the second movable part of 33-, 34- high frequency probe, 35- mounting rack, 36- elastic rod, 37- reset steel wire, and 321- first is positioned
Hole, 322- second location hole, 323- bolt one, 324- bolt two, the first positioning pin of 331-, 332- snap ring, 333- sliding slot, 334-
Connecting plate, 335- elastic component, 341- syringe needle, 342- annular groove, 343- arcwall face, the second positioning pin of 351-.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention are more
It is easily readily appreciated by one skilled in the art, to make apparent define to protection scope of the present invention.
Embodiment 1:
As shown in Figure 1-3, the present invention provides a kind of camera active calibration tolerance fixture, including shell 1,1 upper surface of shell
It is provided with the mounting base 2 for installing camera, is equipped with above mounting base 2 for the upper cover 4 that camera is fixed, upper cover 4 is logical
The slide bar 5 that 1 upper surface of shell is set is crossed, is slidably connected with shell 1；2 bottom of mounting base and the tolerance machine being arranged in shell 1
Structure 3 is connected to, and tolerance mechanism 3 is equipped with moveable high frequency probe 34, and high frequency probe 34 connects with the coaxial of camera bottom is arranged in
Device communication connection is connect, 4 two sides of upper cover are set on the slide bar 5, by being slidably connected with the slide bar 5, are installing
When camera, by 4 sliding opening of upper cover, in fixing camera, is slided and be placed on right above mounting base 2, camera
It is fixed by mounting base 2, elastic rod 36 and upper cover 4, since high frequency probe 34 can be according to coaxial connector position in tolerance mechanism 3
It is moved, effectively avoids the tolerance that coaxial connector generates during the manufacturing, its contact is greatly improved and stablizes
Property.
In the present embodiment, tolerance mechanism 3 further includes pedestal 31, the first movable part 32, the second movable part 33, the first activity
32 one end of part is provided with first positioning hole 321, and the second movable part 33 is equipped with the first positioning pin to match with first positioning hole 321
331；First positioning pin 331 protrudes into first positioning hole 321, and the first positioning pin 331 is movable in first positioning hole 321；First
Movable part 32 is set there are two axle sleeve, and the second activity 33 is equipped with a threaded hole, passes through one 323 turns of bolt be fixed on screw hole
Dynamic connection；Second movable part, 33 the other end is additionally provided with snap ring 332, and high frequency probe 34 is arranged in snap ring 332；On pedestal 31
It is fixed with mounting rack 35,32 end of the first movable part is fixed on the mounting rack 35 by bolt 2 324, the mounting rack 35
On be additionally provided with the second positioning pin 351 being disposed adjacent with the bolt two, first movable part 32 is equipped with second location hole
322, second positioning pin 351 protrudes into the second location hole 322, and second positioning pin 351 is fixed described second
Activity in the hole 322 of position；Second movable part 33 is that axis is turned with the bolt 1 being fixed on first movable part 32
It is dynamic, so that the high frequency probe that the second movable part 33 is arranged in is moved, manufactured with adapting to camera coaxial connector
The tolerance generated in journey, meanwhile, when the second movable part 33 is rotated, the first positioning pin 331 is living in second location hole 321
Dynamic, when the second movable part 33 turns to certain amplitude, the first positioning pin 331 is limited in 321 inside of first positioning hole, make its
Two movable parts 33 stop operating；First movable part 32 is rotated on mounting rack 35 by axis of bolt, 32 band of the first movable part
Dynamic second movable part 33 and high frequency probe 34 are rotated, and realize the bigger displacement amplitude of high frequency probe 34, meanwhile, it is living first
When moving part 32 is rotated, the second positioning pin 351 is movable in second location hole 322, when the first movable part 32 turns to centainly
When amplitude, the second positioning pin 351 is limited in 322 inside of second location hole, its first movable part 32 is made to stop operating.High frequency probe
34 displacement radius is 0.35mm-0.45mm, and the width of inclined surface or arcwall face 343 is 0.35mm-0.45mm, in the present embodiment
In, the displacement radius of high frequency probe is 0.35mm, and the width of inclined surface or arcwall face 343 is 0.35mm；It is most of same to adapt to
The tolerance of mandrel connector.
In the present embodiment, it is equipped with syringe needle 341 at the top of high frequency probe 34, has dug on the outside of syringe needle 341 for for camera
Coaxial connector insertion annular groove 342, annular groove 342 connect to form inclined surface or arcwall face with 34 outer surface of high frequency probe
343；In the present embodiment, annular groove 342 connect to form arcwall face 343 with 34 outer surface of high frequency probe, and camera is fixed on peace
After filling seat 2, under the action of fixture contained spring, high frequency probe 34, which can move upwards, is back to initial position, and high frequency probe 34 exists
During rising, camera coaxial connector makes 34 stress of high frequency probe along arcwall face 343, by the first movable part 32,
Second movable part 33 is displaced, and to adapt to the position of coaxial connector, the syringe needle is fully inserted into coaxial connector, the company of completion
It connects.
In the present embodiment, 33 bottom of the second movable part is connected with connecting plate 334, and connecting plate 334 is set to and digs in pedestal
On through slot on 31, and connecting plate 334 is movable in through slot, when the second movable part 33 is rotated, drives connecting plate 334 logical
Movable in slot, when the second movable part 33 turns to certain amplitude, through slot inner wall is limited by limiting connecting plate 334
The rotation of second movable part 33；332 outer surface of snap ring has also dug sliding slot 333, and the second movable part 33, which has been dug, is placed on sliding slot 333
On first through hole, elastic component 335 is additionally provided between snap ring 332 and connecting plate 334, in the present embodiment, elastic component 335 is
Spring, snap ring 332 and the movable connection of the second movable part 33, due to the setting of elastic component 335 and sliding slot 333, high frequency probe 34
Buffer function is generated when being attached with coaxial connector, is reduced the damage to high frequency probe 34 and coaxial connector, is improved it
Contact stabilization.
In the present embodiment, three elastic rods 36 are additionally provided on pedestal 31, mounting base 2 bottom three angle has been dug and elastic rod
36 the second through-holes 21 to match, are arranged in the camera in mounting base 2, fixed by elastic rod 36, mounting base 2 and upper cover 4.
When carrying out camera installation, camera is fixed in mounting base 2, is locked, is taken the photograph by elastic rod 36 and upper cover 4
It is attached as the coaxial connector of head passes through moveable high frequency probe 34, high frequency probe 34 can in the tolerance mechanism 3
It is moved according to coaxial connector position, effectively avoids the tolerance that coaxial connector generates during the manufacturing,
Its contact stabilization and production efficiency is greatly improved；As shown in figure 4,200 cameras are installed into tolerance fixture, lighted
Test, test result yield are 100%.
Embodiment 2:
Based on embodiment 1, the present invention also provides a kind of camera active calibration tolerance fixtures, and further, mounting rack 35 is set
There is the extension for protruding into the lower section of the second movable part 33, extension board, which is equipped with, resets steel wire 37, resets 37 upper end of steel wire and is fixed on the
On two movable parts 33, steel wire 37 is resetted in tolerance fixture zero load, i.e., when not connecting with camera, restores high frequency probe 34 automatically
Initial position, so as to next time with the connection of camera；Reset the spiral shell that steel wire 37 was fixed in extension board or was connected to extension board
On bolt, resetting steel wire 37 can be fixed in the groove inside extension board, by gluing or integrated molding, be fastenedly connected it, can also
It is connected to reset steel wire 37 on the bolt of extension board, is locked by clamping；Wherein, it resets steel wire and uses 60Si2Mn bullet
Spring steel, tensile strength sigma b: >=1274, yield strength σ s: >=1176；The setting for resetting steel wire 37 avoids high frequency probe 34
With the direct collision of coaxial connector, the service life of high frequency probe 34 and coaxial connector is improved, while also improving contact
Stability.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Mode within the knowledge of a person skilled in the art can also be without departing from the purpose of the present invention
Various changes can be made.
Claims (10)
1. a kind of camera active calibration tolerance fixture, which is characterized in that including shell (1), shell (1) the upper surface setting
There is the mounting base (2) for installing camera, is equipped with above the mounting base (2) for the upper cover (4) that camera is fixed, institute
The slide bar (5) of upper cover (4) by setting in the shell (1) upper surface is stated, is slidably connected with the shell (1)；The installation
Seat (2) bottom is connected to the tolerance mechanism (3) being arranged in the shell (1), and the tolerance mechanism (3) is equipped with moveable high
Frequency probe (34), the high frequency probe (34) and the coaxial connector communication connection that camera bottom is set.
2. a kind of camera active calibration tolerance fixture according to claim 1, which is characterized in that the tolerance mechanism
It (3) further include pedestal (31), the first movable part (32), the second movable part (33), described first movable part (32) one end is provided with
First positioning hole (321), second movable part (33) are equipped with the first positioning pin to match with the first positioning hole (321)
(331)；First positioning pin (331) is protruded into the first positioning hole (321), and first positioning pin (331) can be in institute
It is movable in first positioning hole (321) to state；First movable part (32) sets there are two axle sleeve, and second movable part (33) is equipped with
One threaded hole is rotatablely connected by the bolt one (323) being fixed on screw hole；Described second movable part (33) the other end is also
It is provided with snap ring, the high frequency probe (34) is arranged in the snap ring.
3. a kind of camera active calibration tolerance fixture according to claim 2, which is characterized in that on the pedestal (31)
It is fixed with mounting rack (35), the mounting rack (35) is equipped with the screw thread to match with any axle sleeve of first movable part (32)
Hole is rotatablely connected by the bolt two (324) being fixed on screw hole, is additionally provided with and the bolt two on mounting rack (35)
(324) the second positioning pin (351) being disposed adjacent, first movable part (32) are equipped with second location hole (322), and described second
Positioning pin (351) protrudes into the second location hole (322), and second positioning pin (351) can be in the second location hole
(322) movable in.
4. a kind of camera active calibration tolerance fixture according to claim 3, which is characterized in that the high frequency probe
(34) top is equipped with syringe needle (341), and the ring for the coaxial connector insertion for camera is dug on the outside of the syringe needle (341)
Shape slot (342), the annular groove (342) connect to form inclined surface or arcwall face (343) with the high frequency probe (34) outer surface.
5. a kind of camera active calibration tolerance fixture according to claim 4, which is characterized in that the high frequency probe
(34) radius of action is 0.35mm-0.45mm.
6. a kind of camera active calibration tolerance fixture according to claim 3, which is characterized in that second movable part
(33) bottom is connected with connecting plate (334), and the connecting plate (334) is set to and digs on the through slot on the pedestal (31), and
The connecting plate (334) is movable in the through slot.
7. a kind of camera active calibration tolerance fixture according to claim 3, which is characterized in that the snap ring (332)
Outer surface has also been dug sliding slot (333), and it is logical that second movable part (33) digs first be placed on the sliding slot (333)
Hole is additionally provided with elastic component (335) between the snap ring (332) and the connecting plate (334), the snap ring (332) with it is described
Second movable part (33) movable connection.
8. a kind of camera active calibration tolerance fixture according to claim 2, which is characterized in that the mounting rack (35)
Equipped with the extension protruded into below second movable part (33), the extension board, which is equipped with, resets steel wire (37), the reset
Steel wire (37) upper end is fixed on second movable part (33).
9. a kind of camera active calibration tolerance fixture according to claim 8, which is characterized in that the reset steel wire
(37) it is fixed in the extension board or is connected on the bolt of the extension board.
10. a kind of camera active calibration tolerance fixture according to claim 2, which is characterized in that the pedestal (31)
On be additionally provided with an at least elastic rod (36), the mounting base (2) digs the second through-hole to match with the elastic rod (36)
(21), pass through the elastic rod (36), the mounting base (2) and the upper cover (4) fixing camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811315580.8A CN109525835B (en) | 2018-11-07 | 2018-11-07 | Camera initiative calibration tolerance anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811315580.8A CN109525835B (en) | 2018-11-07 | 2018-11-07 | Camera initiative calibration tolerance anchor clamps |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109525835A true CN109525835A (en) | 2019-03-26 |
| CN109525835B CN109525835B (en) | 2020-08-25 |
Family
ID=65774411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811315580.8A Active CN109525835B (en) | 2018-11-07 | 2018-11-07 | Camera initiative calibration tolerance anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109525835B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204497531U (en) * | 2015-04-24 | 2015-07-22 | 深圳韩倍达电子科技有限公司 | Camera module fixing clamp |
| CN105376564A (en) * | 2015-11-24 | 2016-03-02 | 深圳创维－Rgb电子有限公司 | Camera calibration equipment and control method and device thereof |
| US20160268716A1 (en) * | 2015-03-09 | 2016-09-15 | Magna Electronics Inc. | Vehicle camera with connector system for high speed transmission |
| CN206461693U (en) * | 2016-12-21 | 2017-09-01 | 比亚迪股份有限公司 | Vehicle-mounted camera |
| CN207399417U (en) * | 2017-11-01 | 2018-05-22 | 天津视哲金属结构有限公司 | A kind of camera test holding fixture |
-
2018
- 2018-11-07 CN CN201811315580.8A patent/CN109525835B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160268716A1 (en) * | 2015-03-09 | 2016-09-15 | Magna Electronics Inc. | Vehicle camera with connector system for high speed transmission |
| CN204497531U (en) * | 2015-04-24 | 2015-07-22 | 深圳韩倍达电子科技有限公司 | Camera module fixing clamp |
| CN105376564A (en) * | 2015-11-24 | 2016-03-02 | 深圳创维－Rgb电子有限公司 | Camera calibration equipment and control method and device thereof |
| CN206461693U (en) * | 2016-12-21 | 2017-09-01 | 比亚迪股份有限公司 | Vehicle-mounted camera |
| CN207399417U (en) * | 2017-11-01 | 2018-05-22 | 天津视哲金属结构有限公司 | A kind of camera test holding fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109525835B (en) | 2020-08-25 |
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