Conference terminal lifting device and driving circuit thereof

Abstract

The utility model relates to the technical field of multimedia, in particular to a conference terminal lifting device and a driving circuit thereof. The device comprises a shell, a conference terminal, a rotating shaft connecting rod, a connecting plate, a driving device and a follow-up device, a groove body is formed in the shell, and the rotary connecting rod is arranged in the groove body and connected with the connecting plate; the driving device and the follow-up device are both connected with the connecting plate; the conference terminal is arranged on the rotating shaft connecting rod, and the rotating shaft connecting rod can rotate in the groove body. According to the invention, the plane angle and the plane height of the conference terminal can be adjusted, so that a user can adjust the plane angle and the plane height to a proper screen watching angle when carrying out a paperless conference, the user can adjust the plane watching angle and the plane height from multiple directions and adjust the plane watching angle and the plane height to a proper position to carry out the paperless conference, and the experience feeling of the user is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of multimedia, in particular to a conference terminal lifting device and a driving circuit thereof. BACKGROUND

[0002] In the existing conference system, when a user is conducting a paperless conference, the conference terminal usually only has some simple and basic functions, such as moving left and right, etc. However, such functions cannot meet the higher needs of the user when conducting a paperless conference, such as adjusting the conference terminal to a suitable position for the user to watch. Therefore, the existing technology has the problem of insufficient adaptability, and the user experience is poor when conducting a paperless conference. CONTENT OF THE UTILITY MODEL

[0003] The present application provides a conference terminal lifting device and a driving circuit thereof to solve one or more technical problems existing in the prior art, at least to provide a beneficial choice or create conditions.

[0004] Other characteristics and advantages of the present application will become apparent from the following detailed description, or will be learned by practice of the present application.

[0005] According to an aspect of an embodiment of the present application, a conference terminal lifting device is provided, comprising: a housing, a conference terminal, a rotating shaft connecting rod, a connecting plate, a driving device and a follower device; a slot is formed in the housing, the rotating shaft connecting rod is arranged in the slot and connected with the connecting plate; the driving device and the follower device are both connected with the connecting plate; the conference terminal is arranged on the rotating shaft connecting rod, and the rotating shaft connecting rod can rotate in the slot; wherein the plane angle of the conference terminal is adjusted by rotating the rotating shaft connecting rod in the slot; the driving device drives the connecting plate to perform lifting movement, so as to drive the follower device to perform lifting movement, thereby adjusting the plane height of the conference terminal.

[0006] In an embodiment of the present application, based on the foregoing scheme, the driving device comprises a driving motor and a lifting rod, the lifting rod is connected with the driving motor and the connecting plate respectively; the lifting rod performs lifting movement under the driving of the driving motor, so as to drive the rotating shaft connecting rod connected with the connecting plate to perform lifting movement, thereby adjusting the plane height of the conference terminal arranged on the rotating shaft connecting rod.

[0007] In an embodiment of the present application, based on the foregoing scheme, the follow-up device comprises follow-up rods arranged on both sides of the lifting rod, the two follow-up rods comprising a fixed rod and an extension rod, one end of the fixed rod being fixed to the shell, the other end of the fixed rod being connected to one end of the extension rod, the other end of the extension rod being connected to the connecting plate; wherein the lifting rod is driven to move up and down by the driving motor, and drives the two extension rods to move up and down.

[0008] In an embodiment of the present application, based on the foregoing scheme, the connecting plate comprises two first connecting blocks and two second connecting blocks, the two first connecting blocks being respectively connected to the two extension rods, and the two second connecting blocks being respectively arranged on the two first connecting blocks and connected to the shaft connecting rod.

[0009] In an embodiment of the present application, based on the foregoing scheme, the conference terminal lifting device further comprises two rotating blocks respectively arranged at both ends of the shaft connecting rod, one end of the rotating block being rotatably connected to the connecting plate, and the other end of the rotating block being abutted against the shaft connecting rod; when the rotating block rotates, the shaft connecting rod can rotate in the groove to drive the conference terminal to rotate.

[0010] In an embodiment of the present application, based on the foregoing scheme, the conference terminal lifting device further comprises an electrical connection device, which is electrically connected to the driving motor to enable the driving motor to start and stop.

[0011] According to an aspect of the present application, a driving circuit of a conference terminal lifting device is provided, which is applied to the conference terminal lifting device as described above, and comprises a master control module and an alternating current motor control circuit; the master control module comprises first and second motor control terminals; the alternating current motor control circuit comprises first and second control circuits; the first control circuit comprises a first light emitting diode, a first thyristor and a first optoelectronic coupler; the first optoelectronic coupler is connected to the first motor control terminal, the first light emitting diode and the first thyristor respectively; the second control circuit comprises a second light emitting diode, a second thyristor and a second optoelectronic coupler; the second optoelectronic coupler is connected to the second motor control terminal, the second light emitting diode and the second thyristor respectively.

[0012] In one embodiment of the present application, based on the foregoing scheme, the master module further comprises a first DC output terminal, and the drive circuit further comprises a first DC output circuit, the first DC output circuit comprising a first transistor and a second transistor, a base of the first transistor being connected with the first DC output terminal; a collector of the first transistor being connected with a base of the second transistor, and a collector of the second transistor being configured to be connected with a power supply.

[0013] In one embodiment of the present application, the master module further comprises a second DC output terminal, and the drive circuit further comprises a second DC output circuit, the second DC output circuit comprising a power supply interface, a third transistor and a fourth transistor, an emitter of the third transistor being connected with a second end of the power supply interface, and an emitter of the fourth transistor being connected with a first end of the power supply interface; a base of the third transistor being connected with the second DC output terminal, a collector of the third transistor being connected with a base of the fourth transistor, and a collector of the fourth transistor being configured to be connected with a power supply.

[0014] The present application has the following beneficial effects: by rotating the rotating shaft connecting rod in the groove, the plane angle of the conference terminal can be adjusted, so that the user can adjust the screen viewing angle to a suitable position when conducting a paperless conference, thereby improving the user experience. Meanwhile, by driving the connecting plate to move up and down, the follow-up device can be driven to move up and down, that is, the plane height of the conference terminal can be adjusted, so that the user can adjust the plane viewing angle and height from multiple directions to a suitable position for paperless conference. Meanwhile, the driving motor can be controlled by the driving circuit, and the lifting, lowering and stopping of the conference terminal can be realized by the driving circuit, thereby further improving the intelligent degree of the paperless system. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly described below. Obviously, the described drawings are only some of the embodiments of the present application, not all embodiments, and those skilled in the art can obtain other design schemes and drawings from these drawings without creative labor.

[0016] Figure 1 FIG. 1 is a schematic diagram of a conference terminal lifting device according to an embodiment of the present application;

[0017] Figure 2 FIG. 2 is a specific structural diagram of the conference terminal lifting device according to the embodiment of the present application;

[0018] Figure 3Another specific structural diagram of the conference terminal lifting device according to the embodiment shown in the present application;

[0019] Figure 4 A structural schematic diagram of the slot according to the embodiment shown in the present application;

[0020] Figure 5 A structural schematic diagram of the rotating block according to the embodiment shown in the present application;

[0021] Figure 6 A circuit schematic diagram of the alternating current motor control circuit according to the embodiment shown in the present application;

[0022] Figure 7 A circuit diagram of the first direct current output circuit and the second direct current output circuit according to the embodiment shown in the present application;

[0023] Figure 8 A circuit pin diagram of the master control module according to the embodiment shown in the present application;

[0024] Figure 9 A whole circuit diagram of the driving circuit according to the embodiment shown in the present application.

[0025] Reference signs

[0026] The shell 1, the conference terminal 2, the shaft connecting rod 3, the connecting plate 4, the first connecting block 41, the second connecting block 42, the driving device 5, the driving motor 51, the lifting rod 52, the follower device 6, the follower rod 61, the fixed rod 611, the telescopic rod 612, the slot 7, the rotating block 8, the electrical connection device 9. DETAILED DESCRIPTION

[0027] Example implementations are now described by way of example with reference to the accompanying drawings. These example implementations can be implemented in numerous ways, including as a process, an apparatus, a system, a device, a method, or a computer readable medium such as a non-transitory computer readable medium containing instructions for implementation of at least one of these implementations. In this specification, these implementations can be referred to as techniques. Generally, the examples described below are implemented in software programs. However, it should be understood that the functions of the described example implementations can be implemented in hardware, software, or combinations thereof.

[0028] Furthermore, the described features, structures, or characteristics can be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the application. One skilled in the relevant art will recognize, however, that the techniques described herein can be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In other instances, well-known structures, devices, implementations, and operations have not been shown or described in detail to avoid obscuring aspects of the application.

[0029] The block diagrams shown in the drawings are merely functional entities, and do not necessarily correspond to physically independent entities. These functional entities can be implemented in the form of software, or in one or more hardware modules or integrated circuits, or in different network and / or processor devices and / or microcontroller nodes.

[0030] The flowcharts shown in the drawings are merely exemplary illustrations, and do not necessarily include all contents and operations / steps, nor are they necessarily executed in the described order. For example, some operations / steps can be further decomposed, and some operations / steps can be combined or partially combined, so the actual execution order can be changed according to actual conditions.

[0031] It should be noted that "multiple" as mentioned herein refers to two or more. "And / or" describes the association relationship of associated objects, indicating that there can be three relationships, for example, A and / or B can represent the three cases of A alone, A and B together, and B alone. The character " / " generally represents that the associated objects before and after it are in an "or" relationship.

[0032] The conference terminal lifting device proposed by the embodiments of the present application is described in detail as follows:

[0033] As shown in Figures 1 to 5 , the specific structural diagram of the conference terminal lifting device of the embodiments of the present application is shown in Figures 1 to 5 . The conference terminal lifting device includes a shell 1, a conference terminal 2, a rotating shaft connecting rod 3, a connecting plate 4, a driving device 5, and a follower device 6. The shell 1 is provided with a groove 7, the rotating shaft connecting rod is arranged in the groove 7 and connected with the connecting plate 4. The driving device 5 and the follower device 6 are both connected with the connecting plate 4. The conference terminal 2 is arranged on the rotating shaft connecting rod 3, and the rotating shaft connecting rod can rotate in the groove 7. The plane angle of the conference terminal 2 is adjusted by rotating the rotating shaft connecting rod in the groove 7. The driving device 5 drives the connecting plate 4 to perform lifting movement, so as to drive the follower device 6 to perform lifting movement, thereby adjusting the plane height of the conference terminal 2.

[0034] Specifically, by rotating the shaft connecting rod in the groove body 7, the plane angle of the conference terminal 2 can be adjusted, so that the user can adjust to the appropriate screen viewing angle when conducting paperless meetings, improving the user experience. At the same time, by driving the connecting plate 4 to move up and down, the follow-up device 6 can be driven to move up and down, that is, the plane height of the conference terminal 2 can be adjusted, so that the user can adjust the plane viewing angle and height from multiple directions, and adjust it to the appropriate position to conduct paperless meetings. Further, the two ends of the shaft connecting rod 3 are supported by the follow-up device 6, so that the conference terminal 2 can be more stable and safe when rising or falling due to the support of the two ends of the follow-up device 6, preventing the risk of falling. At the same time, the driving motor 51 can be controlled by the driving circuit, and the lifting, lowering and stopping of the conference terminal 2 can be realized by the driving circuit, further improving the intelligent degree of the paperless system.

[0035] Further, the driving device 5 includes a driving motor 51 and a lifting rod 52, and the lifting rod 52 is connected with the driving motor 51 and the connecting plate 4 respectively; the lifting rod 52 moves up and down under the driving of the driving motor 51, to drive the shaft connecting rod connected with the connecting plate 4 to move up and down, to adjust the plane height of the conference terminal 2 arranged on the shaft connecting rod.

[0036] Specifically, as shown in Figures 2 to 5 , the driving motor 51 drives the lifting rod 52 to realize the adjustment of the plane height of the conference terminal 2.

[0037] Further, the follow-up device 6 includes follow-up rods 61 arranged on both sides of the lifting rod 52, and the two follow-up rods 61 include fixed rods 611 and telescopic rods 612, one end of the fixed rod 611 is fixed on the shell 1, the other end of the fixed rod 611 is connected with one end of the telescopic rod 612, and the other end of the telescopic rod 612 is connected with the connecting plate 4; wherein the lifting rod 52 moves up and down under the driving of the driving motor 51, to drive the two telescopic rods 612 to move up and down.

[0038] Specifically, continuing to refer to Figures 2 to 5 , the two ends of the shaft connecting rod 3 are supported by the follow-up rods 61 on both sides, that is, the telescopic rods 612 can follow the synchronous lifting and lowering movement of the lifting rod 52, so that the conference terminal 2 can be more stable and safe when rising or falling due to the support of the two telescopic rods 612, preventing the risk of falling.

[0039] Further, the connecting plate 4 comprises two first connecting blocks 41 and two second connecting blocks 42, the two first connecting blocks 41 are connected with the two telescopic rods 612 respectively, the two second connecting blocks 42 are arranged on the two first connecting blocks 41 respectively and connected with the rotating shaft connecting rod 3.

[0040] Specifically, the two first connecting blocks 41 are connected with the two telescopic rods 612 respectively, so that the telescopic rods 612 can push the two first connecting blocks 41 when performing the lifting movement, thereby driving the whole connecting plate 4 to move upward together, and the second connecting blocks 42 are connected with the first connecting blocks 41 and the rotating shaft connecting rod 3 respectively, so that the second connecting blocks 42 can move under the driving of the first connecting blocks 41 and support the rotating shaft connecting rod 3 to move upward.

[0041] Further, the conference terminal lifting device further comprises two rotating blocks 8 arranged at the two ends of the rotating shaft connecting rod 3 respectively, one end of the rotating block 8 is rotatably connected with the connecting plate 4, and the other end of the rotating block 8 is abutted with the rotating shaft connecting rod 3; when the rotating block 8 rotates, the rotating shaft connecting rod can rotate in the groove 7 to drive the conference terminal 2 to rotate.

[0042] Specifically, as shown in Figures 2 to 5 the two rotating blocks 8 are abutted with the rotating shaft connecting rod 3, the rotating block 8 can drive the rotating shaft connecting rod 3 to rotate when rotating, thereby the conference terminal 2 fixedly connected with the rotating shaft connecting rod 3 can also realize arbitrary adjustment of the overturning angle (pitching angle), improving the experience of users when conducting a meeting.

[0043] Further, the conference terminal lifting device further comprises an electrical connection device 9, the electrical connection device 9 is electrically connected with the driving motor 51, so that the driving motor 51 can be started / closed.

[0044] Specifically, as shown in Figures 2 to 5 the electrical connection device 9 is arranged on the shell 1 and electrically connected with the driving motor 51, so that the driving motor 51 can be started / closed through the electrical connection device 9, that is, the lifting control of the conference terminal 2 can be realized through electrical control.

[0045] According to an aspect of the embodiment of the present application, a driving circuit of a conference terminal lifting device is provided, which is applied to the conference terminal lifting device, and the driving circuit comprises a main control module U12 and an alternating current motor control circuit. The main control module U12 comprises a first motor control terminal MOTF_MCU and a second motor control terminal MOTR_MCU. The alternating current motor control circuit comprises a first control circuit and a second control circuit. The first control circuit comprises a first light emitting diode D2, a first thyristor U8 and a first photoelectric coupler U5. The first photoelectric coupler U5 is connected with the first motor control terminal MOTF_MCU, the first light emitting diode D2 and the first thyristor U8 respectively. The second control circuit comprises a second light emitting diode D3, a second thyristor U9 and a second photoelectric coupler U10. The second photoelectric coupler U10 is connected with the second motor control terminal MOTR_MCU, the second light emitting diode D3 and the second thyristor U9 respectively.

[0046] Specifically, as shown in Figure 6 and Figure 8 , the circuit diagram of the alternating current motor control circuit is shown in Figure 6 , and the pin diagram of the main control module is shown in Figure 8 . Through the alternating current motor control circuit, that is, through the first control circuit and the second control circuit, the opening / closing of the driving motor 51 can be realized, so that the driving motor can drive the conference terminal 2 to rise / fall when the driving motor is turned on, and the height of the conference terminal 2 can be fixed when the driving motor is turned off.

[0047] Further, the main control module further comprises a first direct current output terminal MCU2_DC12V, and the driving circuit further comprises a first direct current output circuit. The first direct current output circuit comprises a first triode Q4 and a second triode Q5. The base of the first triode Q4 is connected with the first direct current output terminal MCU2_DC12V. The collector of the first triode Q4 is connected with the base of the second triode Q5, and the collector of the second triode Q5 is used to be connected with a power supply DC12V.

[0048] The main control module further comprises a second direct current output terminal MCU_DC12V, and the driving circuit further comprises a second direct current output circuit. The second direct current output circuit comprises a power supply interface J11, a third triode Q2 and a fourth triode Q3. The emitter of the third triode Q2 is connected with the second end of the power supply interface J11 (2), and the emitter of the fourth triode Q3 is connected with the first end of the power supply interface J11 (1). Figure 8 Figure 8 ​The base of the third triode Q2 is connected with the second DC output terminal MCU DC 12V, the collector of the third triode Q2 is connected with the base of the fourth triode Q3, and the collector of the fourth triode Q3 is used for being connected with the power supply DC 12V.

[0049] Specifically, as shown in Figure 7 , Figure 7 the circuit diagram of the first DC output circuit and the second DC output circuit, the first DC output circuit and the second DC output circuit can convert the AC power in the AC motor control circuit into DC power, and deliver the converted DC power to the driving motor 51, so that the motor can drive the conference terminal 2 to rise and fall under the action of the DC power. It should be noted that, Figure 9 the circuit principle diagram of the entire driving circuit, and the circuit of each specific module in Figure 9 will not be described in detail here, and the entire driving circuit provided by Figure 9 can realize the control of the driving motor.

[0050] In summary, by rotating the shaft connecting rod in the groove body 7, the plane angle of the conference terminal 2 can be adjusted, so that the user can adjust the screen viewing angle to the appropriate position during the paperless conference, and improve the user experience. At the same time, by driving the connecting plate 4 to move up and down, the follow-up device 6 can be driven to move up and down, that is, the plane height of the conference terminal 2 can be adjusted, so that the user can adjust the plane viewing angle and height from multiple directions, and adjust it to the appropriate position for paperless conference. At the same time, the driving motor 51 can be controlled by the driving circuit, and the lifting, lowering and stopping of the conference terminal 2 can be realized by the driving circuit, further improving the intelligent degree of the paperless system.

[0051] In addition, the above-mentioned figures are only schematic illustrations of the processes included in the method according to the exemplary embodiments of the present application, and are not for limiting purposes. It is easy to understand that the processes shown in the above-mentioned figures do not indicate or limit the time sequence of these processes. In addition, it is also easy to understand that these processes can be executed synchronously or asynchronously in multiple modules.

[0052] It should be understood that the present application is not limited to the precise construction which has been described above and illustrated in the accompanying drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the application should only be limited by the appended claims.

Claims

1. A conference terminal lifting device, characterized in that, include: The system comprises a housing, a conference terminal, a rotating shaft connecting rod, a connecting plate, a drive device, and a follower device. The housing has a groove, the rotating shaft connecting rod is disposed within the groove and connected to the connecting plate. Both the drive device and the follower device are connected to the connecting plate. The conference terminal is mounted on the rotating shaft connecting rod, which is rotatable within the groove. The rotation of the rotating shaft connecting rod within the groove adjusts the planar angle of the conference terminal. The drive device drives the connecting plate to move up and down, thereby causing the follower device to move up and down, and adjusting the planar height of the conference terminal.

2. The conference terminal lifting device according to claim 1, characterized in that, The driving device includes a drive motor and a lifting rod. The lifting rod is connected to the drive motor and the connecting plate respectively. The lifting rod moves up and down under the drive of the drive motor to drive the rotating shaft connecting rod connected to the connecting plate to move up and down, so as to adjust the plane height of the conference terminal provided on the rotating shaft connecting rod.

3. The conference terminal lifting device according to claim 2, characterized in that, The follower device includes follower rods disposed on both sides of the lifting rod. Each follower rod includes a fixed rod and a telescopic rod. One end of the fixed rod is fixed to the housing, and the other end of the fixed rod is connected to one end of the telescopic rod. The other end of the telescopic rod is connected to the connecting plate. The lifting rod moves up and down under the drive of the drive motor, which in turn drives the two telescopic rods to move up and down.

4. The conference terminal lifting device according to claim 3, characterized in that, The connecting plate includes two first connecting blocks and two second connecting blocks. The two first connecting blocks are respectively connected to the two telescopic rods, and the two second connecting blocks are respectively disposed on the two first connecting blocks and are all connected to the rotating shaft connecting rod.

5. The conference terminal lifting device according to claim 4, characterized in that, The conference terminal lifting device also includes two rotating blocks respectively disposed at both ends of the rotating shaft connecting rod. One end of the rotating block is rotatably connected to the connecting plate, and the other end of the rotating block abuts against the rotating shaft connecting rod. When the rotating block rotates, the rotating shaft connecting rod can rotate within the groove to drive the conference terminal to rotate.

6. The conference terminal lifting device according to claim 5, characterized in that, The conference terminal lifting device also includes an electrical connection device, which is electrically connected to the drive motor so that the drive motor can be started / stopped.

7. A drive circuit for a conference terminal lifting device, characterized in that, The driving circuit, applicable to the conference terminal lifting device as described in any one of claims 1-6, comprises: a main control module and an AC motor control circuit; the main control module includes a first motor control terminal and a second motor control terminal; the AC motor control circuit includes a first control circuit and a second control circuit; the first control circuit includes a first light-emitting diode, a first thyristor, and a first optocoupler; the first optocoupler is connected to the first motor control terminal, the first light-emitting diode, and the first thyristor respectively; the second control circuit includes a second light-emitting diode, a second thyristor, and a second optocoupler; the second optocoupler is connected to the second motor control terminal, the second light-emitting diode, and the second thyristor respectively.

8. The driving circuit of the conference terminal lifting device according to claim 7, characterized in that, The main control module further includes a first DC output terminal, and the drive circuit further includes a first DC output circuit. The first DC output circuit includes a first transistor and a second transistor. The base of the first transistor is connected to the first DC output terminal. The collector of the first transistor is connected to the base of the second transistor, and the collector of the second transistor is used to connect to the power supply.

9. The driving circuit of the conference terminal lifting device according to claim 7, characterized in that, The main control module further includes a second DC output terminal, and the drive circuit further includes a second DC output circuit. The second DC output circuit includes a power interface, a third transistor, and a fourth transistor. The emitter of the third transistor is connected to the second terminal of the power interface, and the emitter of the fourth transistor is connected to the first terminal of the power interface. The base of the third transistor is connected to the second DC output terminal, and the collector of the third transistor is connected to the base of the fourth transistor. The collector of the fourth transistor is used to connect to the power supply.

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