CN104603516A - Holder - Google Patents

Abstract

The invention discloses a holder used for supporting an imaging device. The holder comprises a first supporting bracket, a locking device, and a second supporting bracket hinged to the first supporting bracket and capable of driving the first supporting bracket to rotate. The first supporting bracket comprises two first pillars, two guide columns and two first clamping devices. The two guide columns are arranged roughly vertical to the two first pillars, can move along the length direction of the first pillars, and can be fixed to the first pillars via the first clamping devices. The locking device can move along the length direction of the guide columns. The locking device is used for supporting the imaging device and fixing the imaging device to the guide columns. The first pillars and/or the guide columns are marked with scales. The holder can rapidly balance the gravity center.

Description

PTZ

technical field

The invention relates to a cloud platform.

Background technique

The pan-tilt is a supporting workbench for installing the camera, and the camera is set on the pan-tilt. Through the adjustment of the PTZ, the lens of the camera can be adjusted to achieve correct shooting of the target. The pan-tilt can be compatible with various types of cameras or lenses, and the center of gravity of each axis of the pan-tilt can be adjusted. However, due to the existing structure for adjusting the center of gravity, when the center of gravity is adjusted, it is all dependent on the actual installation and calibration of the camera, and the balance of the center of gravity can be ensured by continuous trials, lacking quantitative standards. After changing to a different model of camera, it is necessary to try to calibrate again and again. It takes a long time to get the center of gravity balanced, resulting in wasted time.

Contents of the invention

The technical problem mainly solved by the present invention is to provide a cloud platform that can quickly balance the center of gravity.

In order to solve the above-mentioned technical problems, a technical solution adopted by the present invention is to provide a pan-tilt, which is used to carry a camera device. The cloud platform includes a first support frame, a locking device, and a second support frame hinged with the first support frame and capable of driving the first support frame to rotate. The first supporting frame includes two first pillars, two guiding columns and two first locking devices. The two guide posts are arranged approximately perpendicular to the two first posts and can move along the length direction of the first posts, and the two guide posts can be fixed on the the first pillar. The locking device can move along the length direction of the guiding column. The locking device is used to carry the camera device and to fix the camera device to the guide column. At least one of the first pillar and the guide column is marked with a scale.

Specifically, the guide post is marked with a scale for marking the position of the sliding seat on the guide post.

Specifically, the first support is marked with a scale used to identify the position of the first locking device on the first support.

Specifically, the guide column is marked with a scale used to identify the position of the sliding seat on the guide column, and the first pillar is marked with a scale used to identify the position of the first locking device on the first Scale for the position on the pillar.

Specifically, the locking device includes a quick release plate, a sliding seat and a locking assembly, the quick release plate is slidably connected to the sliding seat, the locking assembly is connected to the sliding seat, And it is used for locking the quick release plate and the sliding assembly, and the quick release plate is used for fixing the shooting device.

Specifically, the sliding seat includes a central part and elastic clamping parts respectively arranged on both sides of the central part, the elastic clamping parts are used to respectively clamp one of the guide posts, and the elastic clamping parts A pair of alignment marks are also arranged on the upper part, and the alignment marks cooperate with the scale of the guide post to mark the position of the sliding seat on the guide post.

Specifically, each of the first pillars includes a connecting end, and the connecting end defines a through hole, and a rotating shaft is arranged in the through hole, and one end of the rotating shaft is accommodated in the through hole and protrudes from the Outside the through hole, the second support frame includes two second pillars, a driving device and an assembly frame, one of the second pillars is directly hinged with the rotating shaft of one of the first pillars, and the other The second pillar is hinged to the rotating shaft of the other first pillar through the driving device.

Specifically, the axial direction of the through hole is substantially perpendicular to the length direction of the first pillar.

Specifically, the driving device is fixed on one end of the second pillar close to the first pillar, and the driving shaft of the driving device is fixedly connected to the rotating shaft of one of the first pillars for driving the rotating shaft Rotate to drive the first support frame to rotate.

Specifically, the axial direction of the through hole is perpendicular to the length direction of the first pillar, and the axial direction of the drive shaft of the driving device is substantially perpendicular to the length direction of the second pillar.

Specifically, the pan/tilt further includes a control device fixed on the first support frame, the control device includes a control assembly, the control assembly includes an inertial measurement unit and a processor, the inertial measurement The unit is used to measure the attitude information of the pan/tilt, the processor is electrically connected to the inertial measurement unit and the driving device, and the processor controls the camera according to the attitude information of the camera device detected by the inertial measurement unit. The relevant actions of the drive device are described.

Specifically, the second support frame further includes an assembly frame, the assembly frame is fixed on the end of the second pillar away from the first pillar, and the assembly frame has two openings corresponding to the position of the second pillar. There are two receiving holes, and the two second pillars are respectively accommodated in the two receiving holes.

Specifically, the control device further includes a bracket, the bracket is fixed between two guide columns, and the control assembly is fixed on the bracket.

Compared with the prior art, the pan/tilt of the present invention can record the optimal position of any camera device on the pan/tilt through the scale marked by at least one of the first pillar and the guide column. Therefore, when the camera device of the same type needs to be installed on the platform next time, there is no need to constantly try to correct the position of the camera device on the platform, and the purpose of center of gravity balance can be quickly achieved.

Description of drawings

Fig. 1 is a three-dimensional assembly diagram of the pan/tilt provided by the present invention.

Fig. 2 is a front view of the platform in Fig. 1 .

FIG. 3 is a schematic diagram of the connection relationship between the control device and the driving device of the pan/tilt in FIG. 1 .

Fig. 4 is a diagram of the use status of the pan/tilt provided by the present invention.

Detailed ways

Please refer to FIGS. 1 to 3 together. The present invention provides a platform 100 for carrying a camera device 200 (as shown in FIG. 4 ). The cloud platform 100 includes a first support frame 10, a locking device 20 movably arranged on the first support frame 10, a control device 30 fixed on the first support frame 10, a The second support frame 40 is hinged with the first support frame 10 and can drive the first support frame 10 to rotate.

The first supporting frame 10 includes two first pillars 11 , two guiding columns 12 and two first locking devices 13 . The two guiding columns 12 are arranged vertically to the two first columns 11 . The two guide columns 12 can move along the length direction of the first pillar 11 through the first clamping device 13, and the two guide columns 12 can be moved by the first clamping device 13 It is fixed at a predetermined position of the first support 11 .

Specifically, the first pillar 11 is in the shape of a cylinder with scales marked on its outer surface. Each of the first pillars 11 includes a connecting end 110 , and the connecting end 110 defines a through hole 111 . In this embodiment, the axial direction of the through hole 111 is substantially perpendicular to the length direction of the first pillar 11 . A rotating shaft 112 is disposed in the through hole 111 , and one end of the rotating shaft 112 is received in the through hole 111 and protrudes out of the through hole 111 . It can be understood that the first pillar 11 can also be in other shapes.

In this embodiment, the two guide posts 12 are cylindrical, and scales are marked on their outer surfaces. It can be understood that the guide column 12 can also be in other shapes.

Each of the two first locking devices 13 includes a locking hole 130 , two receiving portions 132 respectively disposed on two sides of the locking hole 130 , and a locking accessory 134 .

The axial direction of the locking hole 130 is substantially perpendicular to the axial direction of the receiving portion 132 . The shape and size of the holding hole 130 correspond to the shape and size of the first pillar 11 respectively. The two first pillars 11 are sleeved in a holding hole 130 respectively.

Each of the accommodating portions 132 is respectively used for accommodating one end of the guiding post 12 so that the two guiding posts 12 are substantially parallel to each other.

The locking part 134 is used for locking the first engaging device 13 to a predetermined position of the first pillar 11 . Specifically, the locking part 134 is a nut. The holding hole 130 is jointly formed by two elastic pieces. The two shrapnels are provided with a threaded hole (not shown in the figure), and the positions of the two threaded holes are corresponding. The lock part 134 is screwed to the threaded hole. When the lock part 134 is tightened, the The clamping hole 130 surrounded by the two elastic pieces tightly fits with the first support 11 , and the first clamping device 13 is fixed on the first support 11 .

It can be understood that, in other embodiments, a buckle and a hook can also be used to cooperate, and the buckle and the hook are respectively arranged on two elastic pieces, so that the The fastening hole 130 of the first support 11 is tightly fitted.

The locking device 20 is used to fix the photographing device 200 on any position of the guiding column 12 . The locking device 20 can move along the length direction of the guiding column 12 . The locking device 20 includes a quick release plate 21 , a sliding seat 22 and a locking assembly 23 . The quick release plate 21 is slidably connected to the sliding seat 22 . The locking assembly 23 is connected to the sliding seat 22 and used for locking the quick release plate 21 and the sliding seat 22 . In this embodiment, the quick release plate 21 is used to fix the photographing device 200, such as a camera.

The sliding seat 22 includes a central portion 221 and elastic clamping portions 222 respectively disposed on two sides of the central portion 221 . The elastic clamping portion 222 is used for clamping one of the guiding posts 12 respectively. The sliding seat 22 also defines a first threaded hole (not labeled) passing through the central portion 221 . A pair of alignment marks 220 are also provided on the elastic clamping portion 222 of the sliding seat 22 . The alignment mark 220 cooperates with the scale of the guide column 12 and is used to identify the position of the sliding seat 22 on the guide column 12 .

The locking component 23 is used to be screwed into the first threaded hole. When the elastic clamping portion 222 is loosely fitted with the guide column 12 , the sliding seat 22 can slide along the length direction of the guide column 12 . And when the elastic clamping part 222 needs to clamp the guide column 12, tighten the locking assembly 23, so that the elastic clamping part 222 clamps the guide column 12, so that the lock The tightening device 20 is fixed to the guide column 12.

The control device 30 includes a bracket 31 and a control assembly 32 fixed on the bracket 31 . The bracket 31 is fixed between the two guiding posts 12 . In this embodiment, the bracket 31 is fixed on one end of the two guiding columns 12 close to the first column 11 . The control assembly 32 includes an inertial measurement unit (International Medical University, IMU) 321 and a processor 312 electrically connected to the inertial measurement unit. The inertial measurement unit 321 is used to measure the attitude information of the gimbal 100 . Specifically, the inertial measurement unit 321 includes a gyroscope 3211 and an angular velocity meter 3212 . Both the gyroscope 3211 and the angular velocity meter 3212 are electrically connected to the processor 312 .

The second supporting frame 40 includes two second pillars 41 , a driving device 42 and an assembly frame 43 . One of the second pillars 41 is directly hinged with the rotating shaft 112 of one of the first pillars 11; hinged. Specifically, the driving device 42 is fixed on one end of the second pillar 41 close to the first pillar 11, and the driving shaft (not shown) of the driving device 42 is connected to the rotating shaft of one of the first pillars 11. 112 is fixedly connected to drive the rotating shaft 112 to rotate, so as to drive the first support frame 10 to rotate. In this embodiment, the axial direction of the driving shaft of the driving device 42 is substantially perpendicular to the length direction of the second pillar 42 . The driving device 42 is electrically connected to the processor 312 of the control device 30 . The processor 312 controls related actions of the driving device 42 according to the posture information of the camera device 200 detected by the inertial measurement unit 321 . For example, the first supporting frame 10 is directly driven to rotate to adjust the shooting angle of the camera device 200 and to adjust the rotational speed in time to adapt to various postures, thereby improving the shooting stability of the camera device 200 . In this embodiment, the driving device 42 is a brushless motor. It can be understood that the driving device 42 can also be a brushed motor or a motor, etc., and is not limited to this embodiment.

The assembly frame 43 is fixed on an end of the second support 41 away from the first support 11 . The assembly frame 43 defines two receiving holes 430 corresponding to the positions of the second pillar 41 . The two second pillars 41 are respectively received in the two receiving holes 430 .

Please also refer to FIG. 4 , during use, one model of the camera device 200 is fixed on the quick release plate 21 . In order to increase the stability of the camera device 200 during shooting, the centers of gravity of the first support frame 10 , the locking device 20 and the camera device 200 should fall on the rotation axis of the driving device 42 . Through mechanical analysis, when the center of gravity of the first support frame 10, the locking device 20 and the camera device 200 should fall on the drive shaft of the drive device 42, the first support frame 10 rotates to No rotational moment will be generated at any angle, that is, the first support frame 10 will not shake back and forth due to the moment, which increases the stability of the camera device 200 during the rotation. When the platform 100 is running smoothly, the first supporting frame 10 and the camera device 200 are also in a state of dynamic balance. At this time, the position of the first clamping device 13 on the first pillar 11 is recorded by the scale on the first pillar 11 (herein referred to as the first position), and at the same time, the corresponding position on the sliding seat 22 is The bit mark 220 and the scale on the guide column 12 record the position of the sliding seat 22 on the guide column 12 (herein referred to as the second position). At this time, the recorded first and second positions are the best positions of the camera device 200 on the platform 100 . It can be understood that different optimal positions can be recorded for different models of camera devices. Therefore, when the camera device 200 of the same model needs to be installed to the optimal position of the pan/tilt 100 next time, it is only necessary to adjust the first locking device 13 according to the pass, so that the first locking device 13 is fixed on the The first position is adjusted according to the sliding seat 22 so that the sliding seat 22 is fixed at the second position. Therefore, when replacing a different type of camera device, there is no need to constantly try to correct the position of the camera device on the platform 100 , and the purpose of center of gravity balance can be quickly achieved.

It can be understood that, in practical applications, only the scales can be marked on the sliding seat 22 , or only the scales can be marked on the guide column 12 , which is not limited to this embodiment.

The above is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in other related technologies fields, all of which are equally included in the scope of patent protection of the present invention.

Claims (13)

1. a kind of cloud platform, it is used to carry a camera, and described cloud platform comprises a first support frame, a locking device, one is hinged with described first support frame and can drive described first support frame to rotate The second support frame is characterized in that: the first support frame includes two first pillars, two guide columns and two first locking devices, and the two guide columns are substantially perpendicular to the two The first pillar is arranged and can move along the length direction of the first pillar, and the two guide pillars can be fixed on the first pillar through the first clamping device, and the locking device can be moved along the The length direction of the guide column moves, the locking device is used to carry the camera device, and is used to fix the camera device to the guide column, the first pillar and the guide column At least one of them is marked with a scale. 2 . The cloud platform according to claim 1 , wherein the guide column is marked with a scale for marking the position of the sliding seat on the guide column. 3 . 3 . The cloud platform according to claim 1 , wherein the first support is marked with a scale for marking the position of the first locking device on the first support. 4 . 4. The cloud platform according to claim 1, characterized in that: the guide post is marked with a scale for marking the position of the sliding seat on the guide post, and the first pillar is marked with a scale for marking the position of the sliding seat on the guide post. A scale marking the position of the first clamping device on the first pillar. 5. The cloud platform according to any one of claims 1-4, wherein the locking device comprises a quick-release plate, a slide seat and a locking assembly, and the quick-release plate is slidably connected to The sliding seat is connected, the locking assembly is connected to the sliding seat, and is used for locking the quick release plate and the sliding assembly, and the quick release plate is used for fixing the shooting device. 6. The cloud platform according to claim 5, wherein the sliding seat comprises a central part and elastic clamping parts respectively arranged on both sides of the central part, and the elastic clamping parts are used to respectively clamp Hold one of the guide columns, and a pair of alignment marks are also arranged on the elastic clamping part, and the alignment marks match with the scale of the guide column, and are used to identify the position of the sliding seat on the guide column. position on the column. 7. The cloud platform according to claim 1, wherein each of the first pillars includes a connecting end, and the connecting end is provided with a through hole, and a rotating shaft is arranged in the through hole, and the rotating shaft One end of one end is accommodated in the through hole and protrudes outside the through hole, the second supporting frame includes two second pillars, a driving device and an assembly frame, one of the second pillars is directly connected to one of the The rotation shaft of the first support is hinged, and the other second support is hinged with the rotation shaft of the other first support through the driving device. 8. The platform according to claim 7, wherein the axial direction of the through hole is substantially perpendicular to the length direction of the first support. 9. The cloud platform according to claim 7, wherein the driving device is fixed on an end of the second pillar close to the first pillar, and the driving shaft of the driving device is connected to one of the first pillars. The rotating shafts of the pillars are fixedly connected to each other, and are used to drive the rotating shafts to rotate, so as to drive the first supporting frame to rotate. 10. The cloud platform according to claim 9, wherein the axial direction of the through hole is perpendicular to the length direction of the first pillar, and the axial direction of the drive shaft of the driving device is approximately perpendicular to the second pillar. The length direction of the strut. 11. The platform according to claim 7, characterized in that: the platform further comprises a control device fixed on the first support frame, the control device comprises a control assembly, the control assembly Including an inertial measurement unit and a processor, the inertial measurement unit is used to measure the attitude information of the pan/tilt, the processor is electrically connected to the inertial measurement unit and the driving device, and the processor is based on the The posture information of the camera device detected by the inertial measurement unit is used to control related actions of the drive device. 12. The cloud platform according to claim 7, wherein the second support frame further comprises an assembly frame, and the assembly frame is fixed on the end of the second support away from the first support, so that The assembly frame is provided with two receiving holes corresponding to the positions of the second pillars, and the two second pillars are respectively accommodated in the two receiving holes. 13 . The cloud platform according to claim 12 , wherein the control device further comprises a bracket, the bracket is fixed between two guide columns, and the control assembly is fixed on the bracket.