CN213072835U - Live camera device that uses of online education - Google Patents

Abstract

A camera device for online education live broadcast comprises a camera main body, a tripod, a mobile unit and a direction adjusting unit; the moving unit comprises a guide rod, a sliding block and a driving part, the guide rod is installed on the tripod, the sliding block is slidably arranged on the guide rod, the driving part is also arranged on the guide rod, and the driving part is in driving connection with the sliding block so as to drive the sliding block to move along the length direction of the guide rod; the direction adjusting unit comprises an installation frame and a swing rod, the installation frame is arranged on the sliding block, the swing rod is rotatably connected with the installation frame in a damping mode, and the swing rod is used for installing the camera main body; the user orders about the slider through the starting part and removes along guide arm length direction, can adjust the horizontal position of camera main part, can adjust the shooting angle of camera main part through rotating the pendulum rod, so this camera device both made things convenient for the teacher to adjust the shooting position and the angle of camera, and need not to remove the tripod when adjusting the camera main part, the degree of focus of assurance camera that can be further.

Description

Live camera device that uses of online education

Technical Field

The utility model relates to an equipment technical field for online education specifically is a camera device is used in online education live broadcast.

Background

With the rapid development of information technology, especially from the internet to the mobile internet, a cross-space-time living, working and learning mode is created, the mode of knowledge acquisition is fundamentally changed, the teaching can not be limited by time, space and place conditions, and the remote online education is realized. The current concept of online education generally refers to a learning behavior based on a network, and is similar to the concept of network training, wherein a camera device is an indispensable hardware device in online education.

The existing camera device is generally formed by combining a tripod and a camera main body, when in use, a teacher firstly places the tripod at a specific position and adjusts the focusing angle of the camera main body, and then the teacher stands in front of the camera main body for teaching; however, since the teacher sometimes needs to put some key contents in a targeted manner, the position of the tripod needs to be manually swung to adjust the shooting angle of the camera body, and in the process, it is difficult to accurately adjust the shooting angle of the camera; on the other hand, shaking occurs when the tripod is manually swung, which easily affects the focus accuracy (i.e., focus-on-center shaking deviation) of the camera, thereby causing a blurred image.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

For solving the above problem, the utility model provides a live camera device that uses of online education both makes things convenient for the teacher to adjust the shooting angle of camera, can guarantee the accuracy of focusing of camera main part again.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

a camera device for online education live broadcast comprises a camera main body, a tripod, a mobile unit and a direction adjusting unit; the moving unit comprises a guide rod, a sliding block and a driving part, the guide rod is mounted on the tripod, the sliding block is slidably arranged on the guide rod, the driving part is also arranged on the guide rod, and the driving part is in driving connection with the sliding block so as to drive the sliding block to move along the length direction of the guide rod; the direction adjusting unit comprises an installation rack and a swing rod, the installation rack is arranged on the sliding block, the swing rod is connected with the installation rack in a damping mode, and the swing rod is used for installing the camera main body.

Preferably, the driving part comprises a motor and a transmission belt, belt grooves are formed in two sides of the guide rod, rollers are rotatably arranged at two ends of the guide rod, two ends of the transmission belt are respectively wound with the rollers at two ends of the guide rod, and a belt body of the transmission belt is movably arranged in the belt grooves; the top of the guide rod is also provided with a sliding chute, the sliding block is provided with a sliding strip, the sliding strip is slidably arranged in the sliding chute, belt wheels are also rotatably arranged on two sides of the sliding block, and the belt wheels are matched and connected with a belt body of a transmission belt positioned in the belt chute; the motor is installed at one end of the guide rod, an output shaft of the motor is in driving connection with the transmission belt so as to drive the transmission belt to move, the belt wheel rotates, and the sliding block is driven to move along the length direction of the guide rod.

Preferably, the mobile unit further comprises a control box, a control board is arranged in the control box, and the control board is electrically connected with the motor; and the control panel is provided with a wireless receiving module for receiving signal instructions, and the motor can be controlled to operate by sending instructions to the wireless receiving module.

Preferably, the mounting frame comprises a rotating rod and a vertical rod, the rotating rod is connected with the sliding block, the rotating rod is provided with an adjusting groove and an adjusting bolt, the adjusting bolt is slidably arranged in the adjusting groove, and one end of the adjusting bolt can penetrate through the adjusting groove and is in threaded connection with the bottom end of the vertical rod, so that the vertical rod and the rotating rod are relatively fixed; the top end of the vertical rod is rotatably connected with the swing rod in a damping mode.

Preferably, the length direction of the notch of the adjusting groove is provided with scales, and the bottom end of the vertical rod is provided with a pointing mark corresponding to the scales.

Preferably, the sliding block further comprises a fixed end socket, a threaded column is further arranged on the sliding block, one end of the threaded column rotatably penetrates through the rotating rod and is in threaded connection with the fixed end socket, and the rotating rod and the sliding block can be relatively fixed by screwing the fixed end socket.

Preferably, the carrying mechanism comprises a carrying plate, the carrying plate is arranged at one end of the guide rod, and a fixing rod is arranged on the carrying plate in a swinging mode.

Preferably, the bearing mechanism further comprises a toothed bar and an engagement bar, the toothed bar is mounted at one end of the guide bar, and the toothed bar is provided with a plurality of tooth roots; carry thing board bottom with ratch one end is articulated, interlock pole first end with carry the thing board and rotationally connect, interlock pole second end can with a plurality of tooth root one-to-one joints, in order to adjust carry the thing board with the relative angle of ratch.

(III) advantageous effects

Compared with the mode of adjusting the position of the camera main body by adjusting the tripod, the camera device for online education live broadcast provided by the utility model can improve the adjustment precision by designing the guide rod and the slide block; on the other hand, because the tripod does not need to be moved in the adjusting process, the vibration of the camera main body can be reduced, the focusing accuracy of the camera is ensured, and the fuzzy picture is avoided.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 shows a schematic diagram of the overall structure of the present invention;

fig. 2 shows a schematic diagram of the overall structure of the present invention;

fig. 3 shows a schematic diagram of the overall structure of the present invention;

FIG. 4 shows an enlarged view A of FIG. 3;

fig. 5 shows a schematic structural diagram of the direction adjusting unit of the present invention;

fig. 6 shows an exploded schematic view of the direction-adjusting unit of the present invention;

fig. 7 shows a schematic structural diagram of a mobile unit of the present invention;

fig. 8 shows a schematic diagram of a part of the structure of a mobile unit of the present invention;

FIG. 9 shows an enlarged view B of FIG. 8;

fig. 10 shows a schematic diagram of a partial structure of a mobile unit according to the present invention.

In the figure: the camera comprises a camera body 1, a tripod 2, a moving unit 3, a guide rod 31, a roller 310, a sliding chute 311, a grooved 312, a sliding block 32, a sliding strip 321, a belt wheel 322, a threaded 32G column, a driving part 33, a motor 331, a driving belt 332, a control box 3C, a direction adjusting unit 4, a mounting rack 41, a rotating rod 411, an adjusting groove 411a, an adjusting bolt 411b, a vertical rod 412, a swinging rod 42, a bearing mechanism 5, a loading plate 51, a fixed rod 510, a toothed rod 52, a tooth root 520, an engaging rod 53, a fixed end G, a scale K1 and a pointing mark K2.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 7, a camera device for online education live broadcasting comprises a camera body 1, a tripod 2, a mobile unit 3 and a direction adjusting unit 4; the moving unit 3 comprises a guide rod 31, a sliding block 32 and a driving part 33, wherein the guide rod 31 is installed on the tripod 2, the sliding block 32 is slidably arranged on the guide rod 31, the driving part 33 is also arranged on the guide rod 31, and the driving part 33 is in driving connection with the sliding block 32 so as to drive the sliding block 32 to move along the length direction of the guide rod 31; the direction-adjusting unit 4 comprises a mounting bracket 41 and a swinging rod 42, the mounting bracket 41 is arranged on the sliding block 32, the swinging rod 42 is rotatably connected with the mounting bracket 41 in a damping manner, and the swinging rod 42 is used for mounting the camera main body 1.

Before the teaching video camera is used, a user places the tripod 2 and enables the guide rod 31 to be arranged in parallel with the teaching blackboard, and due to the fact that dead angles exist in the shooting range of the camera main body 1, in the teaching process, if the camera main body 1 is required to shoot a part of content on the teaching blackboard independently, the corresponding part on the teaching blackboard is required to fall into the shooting range of the camera main body 1 independently by adjusting the transverse horizontal position of the camera main body 1; specifically, the teacher starts the driving portion 33 to drive the slider 32 to move to a proper position along the length direction of the guide rod 31, and it should be noted that the camera body 1 stably shoots the teaching blackboard all the time in the moving process of the camera body 1.

In addition, the teacher can further adjust the longitudinal position of the camera body 1 by adjusting the relative swing angle of the swing lever 42 and the mounting bracket 41, so as to further adjust the shooting angle of the camera body 1.

In summary, compared with the mode of adjusting the position of the camera main body 1 by adjusting the tripod 2, the camera shooting device can improve the adjustment precision by designing the guide rod 31 and the slide block 32; on the other hand, because the tripod 2 does not need to be moved in the adjusting process, the vibration of the camera main body 1 can be reduced, the focusing accuracy of the camera is ensured, and the fuzzy picture is avoided.

It should be noted that, because the swing link 42 is rotatably connected with the mounting bracket 41 in a damping manner, the swing link 42 can be driven to rotate only when a user applies a certain force to the swing link 42, so as to prevent the swing link 42 from swinging randomly, and the damping connection can also ensure that the swing link 42 is more stable during rotation; in particular, the specific structure of the damping connection is common in daily life, and belongs to the prior art, for example, a notebook computer is used, so that the specific structure is not described in detail in the present application.

Referring to fig. 1 to 10, the driving portion 33 includes a motor 331 and a driving belt 332, wherein the guide rod 31 is provided with grooves 312 on both sides thereof, the rollers 310 are rotatably provided on both ends of the guide rod 31, both ends of the driving belt 332 are respectively wound around the rollers 310 on both ends of the guide rod 31, and a belt body of the driving belt 332 is movably disposed in the grooves 312; the top of the guide rod 31 is further provided with a sliding groove 311, the sliding block 32 is provided with a sliding strip 321, the sliding strip 321 is slidably installed in the sliding groove 311, two sides of the sliding block 32 are further rotatably provided with belt wheels 322, and the belt wheels 322 are connected with a belt body of a transmission belt 332 in the belt groove 312 in a matching manner; the motor 331 is installed at one end of the guide rod 31, and an output shaft of the motor 331 is in driving connection with the transmission belt 332; wherein, the motor 331 is powered by an external power supply.

Specifically, when the teacher starts the motor 331, the electric output shaft rotates to drive the transmission belt 332 to move, and the belt wheel 322 is connected with the transmission belt 332 in a matching manner, so that the transmission belt 332 drives the belt wheel 322 to rotate, and further drives the sliding block 32 to move along the length direction of the guide rod 31; the belt 332 and pulley 322 are designed to allow the slider 32 to move precisely on the guide 31.

It should be noted that, the specific driving manner of the driving portion 33 can also be driven by an electric screw rod, which is not limited in the present invention.

Further, in order to facilitate the teacher to start the motor 331, in the present invention, the mobile unit 3 further includes a control box 3C, a control board is disposed in the control box 3C, and the control board is electrically connected to the motor 331; the control panel is provided with a wireless receiving module for receiving signal instructions; the teacher is equipped with the remote control equipment that should wireless receiving module design on hand, and the teacher can send the instruction to the wireless receiving module on the control panel through operating the remote control equipment, and after wireless receiving module received the instruction, passes the motor 331 with this instruction transmission through the control panel, can control the running state of motor 331. Since the technology of controlling the activation of the motor 331 by remote control belongs to the prior art, the specific circuit thereof will not be described in this document.

Referring to fig. 1 to 10, in order to realize the fine adjustment of the camera body 1, in the present invention, the mounting bracket 41 includes a rotating rod 411 and a vertical rod 412, the rotating rod 411 is connected to the slider 32, and the rotating rod 411 is provided with an adjusting slot 411a and an adjusting bolt 411b, the adjusting bolt 411b is slidably disposed in the adjusting slot 411a, and one end of the adjusting bolt 411b can penetrate through the adjusting slot 411a and is in threaded connection with the bottom end of the vertical rod 412, so that the vertical rod 412 and the rotating rod 411 are relatively fixed; the top end of the vertical rod 412 is rotatably connected with the swing rod 42 in a damping way.

Specifically, when the user needs to fine-tune the position of the camera body 1, the user holds the vertical rod 412 and unscrews the adjusting bolt 411b, so that the vertical rod 412 and the rotating rod 411 are relatively loosened, then moves the vertical rod 412 to a proper position along the length direction of the adjusting slot, and finally tightens the adjusting bolt 411b again, so that the vertical rod 412 and the rotating rod 411 are relatively fixed.

Furthermore, a scale K1 is arranged in the length direction of the notch of the adjusting slot 411a, and a direction indicator K2 is arranged at the bottom end of the vertical rod 412 corresponding to the scale K1; the design of the scale K1 and the index K2 can be used as a reference to suggest a specific movement amount of the camera body 1 to improve the fine adjustment accuracy of the camera body 1.

Referring to fig. 1-10, the device further includes a fixed end G, the sliding block 32 is further provided with a threaded column 32G, one end of the threaded column 32G rotatably penetrates through the rotating rod 411 and is in threaded connection with the fixed end G, and the rotating rod 411 and the sliding block 32 can be relatively fixed by screwing the fixed end G.

Specifically, when the user rotates the camera body 1, the user holds the rotating rod 411 and unscrews the fixed end G, so that the sliding block 32 and the rotating rod 411 are relatively loosened, then rotates the rotating rod 411 to a proper position along the circumferential direction of the threaded column 32G, and finally, screws the fixed end G again, so that the rotating rod 411 and the sliding block 32 are relatively fixed; this design can further improve the flexibility of the camera body 1 to improve the photographable range of the camera body 1.

Referring to fig. 1 to fig. 10, the device further includes a carrying mechanism 5, the carrying mechanism 5 includes a carrying plate 51, the carrying plate 51 is disposed at one end of the guide rod 31, and a fixing rod 510 is swingably disposed on the carrying plate 51.

Specifically, during the use, the teacher places texts such as teaching books, test paper or homework on carrying thing board 51 to hold the text through dead lever 510 and fix on carrying thing board 51 face, then adjust the shooting direction and the shooting angle of camera main part 1, make camera main part 1 correspond with the text that carries on thing board 51, can direct content on the text put in for the student, further improve the flexibility of teaching.

Referring to fig. 1 to 10, the carrier mechanism 5 further includes a rack bar 52 and a meshing bar 53, the rack bar 52 is mounted at one end of the guide rod 31, and the rack bar 52 is provided with a plurality of tooth roots 520; the bottom end of the carrying plate 51 is hinged with one end of the toothed bar 52, the first end of the meshing bar 53 is rotatably connected with the carrying plate 51, and the second end of the meshing bar 53 can be clamped with a plurality of tooth roots 520 in a one-to-one corresponding mode.

Specifically, when the camera is used, a teacher swings the meshing rod 53 to enable the second end of the meshing rod 53 to be clamped with the corresponding tooth root 520, so that the relative angle between the carrying plate 51 and the tooth rod 52 can be adjusted, and the camera body 1 can shoot more appropriate pictures; when the foldable luggage carrier is not used, the swinging occlusion rod 53 is attached to the surface of the carrying plate 51, and then the carrying plate 51 is swung, so that the carrying plate 51 can be folded and contracted at one end of the guide rod 31.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Claims (8)

1. A camera device for online education live broadcast comprises a camera main body (1) and a tripod (2), and is characterized by further comprising a mobile unit (3) and a direction adjusting unit (4);

the moving unit (3) comprises a guide rod (31), a sliding block (32) and a driving part (33), the guide rod (31) is installed on the tripod (2), the sliding block (32) is slidably arranged on the guide rod (31), the driving part (33) is also arranged on the guide rod (31), and the driving part (33) is in driving connection with the sliding block (32) so as to drive the sliding block (32) to move along the length direction of the guide rod (31);

the direction adjusting unit (4) comprises an installation frame (41) and a swing rod (42), the installation frame (41) is arranged on the sliding block (32), the swing rod (42) is connected with the installation frame (41) in a rotatable damping mode, and the swing rod (42) is used for installing the camera main body (1).

2. The camera device for on-line education live broadcasting according to claim 1, wherein the driving part (33) comprises a motor (331) and a driving belt (332), wherein a groove (312) is formed on both sides of the guide rod (31), rollers (310) are rotatably arranged on both ends of the guide rod (31), both ends of the driving belt (332) are respectively wound around the rollers (310) on both ends of the guide rod (31), and a belt body of the driving belt (332) is movably arranged in the groove (312);

the top of the guide rod (31) is further provided with a sliding groove (311), the sliding block (32) is provided with a sliding strip (321), the sliding strip (321) is slidably mounted in the sliding groove (311), belt wheels (322) are further rotatably arranged on two sides of the sliding block (32), and the belt wheels (322) are connected with a belt body of a transmission belt (332) in the belt groove (312) in a matched manner;

the motor (331) is installed at one end of the guide rod (31), and an output shaft of the motor (331) is in driving connection with the transmission belt (332) to drive the transmission belt (332) to move, so that the belt wheel (322) rotates to drive the sliding block (32) to move along the length direction of the guide rod (31).

3. The camera device for online education live broadcast according to claim 2, wherein the mobile unit (3) further comprises a control box (3C), a control board is arranged in the control box (3C), and the control board is electrically connected with the motor (331); and the control panel is provided with a wireless receiving module for receiving signal instructions, and the motor (331) can be controlled to operate by sending instructions to the wireless receiving module.

4. The camera device for the live online education is characterized in that the mounting rack (41) comprises a rotating rod (411) and a vertical rod (412), the rotating rod (411) is connected with the sliding block (32), an adjusting groove (411a) and an adjusting bolt (411b) are arranged on the rotating rod (411), the adjusting bolt (411b) is slidably arranged in the adjusting groove (411a), one end of the adjusting bolt (411b) can penetrate through the adjusting groove (411a) and is in threaded connection with the bottom end of the vertical rod (412), so that the vertical rod (412) and the rotating rod (411) are relatively fixed; the top end of the vertical rod (412) is rotatably connected with the swing rod (42) in a damping manner.

5. The camera device for the online education live broadcast according to claim 4, wherein a scale (K1) is arranged in the length direction of the opening of the adjusting slot (411a), and a pointer (K2) is arranged at the bottom end of the vertical rod (412) corresponding to the scale (K1).

6. The camera device for on-line education live broadcasting according to claim 4, further comprising a fixed end (G), wherein the sliding block (32) is further provided with a threaded column (32G), one end of the threaded column (32G) rotatably penetrates through the rotating rod (411) and is in threaded connection with the fixed end (G), and the rotating rod (411) and the sliding block (32) can be relatively fixed by screwing the fixed end (G).

7. The camera device for on-line education direct broadcasting according to claim 1, further comprising a carrying mechanism (5), wherein the carrying mechanism (5) comprises a carrying plate (51), the carrying plate (51) is arranged at one end of the guide rod (31), and a fixing rod (510) is swingably arranged on the carrying plate (51).

8. The camera device for on-line direct education broadcast according to claim 7, wherein the carrying mechanism (5) further comprises a rack bar (52) and a snap bar (53), the rack bar (52) is installed at one end of the guide bar (31), and the rack bar (52) is provided with a plurality of tooth roots (520); carry thing board (51) bottom with ratch (52) one end is articulated, interlock pole (53) first end with carry thing board (51) and rotationally connect, interlock pole (53) second end can with a plurality of tooth roots (520) one-to-one joint, in order to adjust carry thing board (51) with the relative angle of ratch (52).

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