Digital music image acquisition equipment

Abstract

The utility model provides a digital music image acquisition device, comprising a connecting rod assembly comprising a first connecting rod, a second connecting rod, a first support part respectively hinged with the first connecting rod and the second connecting rod, and a second support part hinged with the free end of the second connecting rod; the light supplementing part is mounted on the first supporting part; the collecting end is mounted on the second supporting part, and a camera and a light supplementing lamp are mounted at the collecting end; and the light path of the light supplementing part and the light path of the acquisition part intersect at the to-be-acquired part of the musical instrument corresponding to the camera. The structure of the rotatable light supplementing part is improved, folding and storage are facilitated, meanwhile, light angle adjustment and light intensity adjustment can be conveniently carried out through a foldable connecting rod and the movable light supplementing part, multi-angle and multi-light-intensity light rays are provided, illumination of different light paths is carried out on the surface of the musical instrument, and the musical instrument is convenient to use. The purposes of eliminating shadows generated by partial musical instruments under a single light source due to uneven surfaces and improving the lighting effect are achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of music teaching, and specifically relates to a digital music image acquisition device. Background Art

[0002] With the popularization of distance learning and intelligent learning, the scenario-based demands for online learning through smart networked devices are becoming more and more diverse. Traditional offline face-to-face teaching, such as piano learning, has gradually transformed into online teaching or assisted teaching through smart devices. Unlike conventional online teaching or smart device-assisted teaching, music teaching requires real-time monitoring of students' use of musical instruments. The surface of musical instruments often has keys, strings or reflective surfaces with different light reflection capabilities, which will produce shadows or uneven lighting effects in the video, affecting the video image presentation. It is necessary to provide a variety of light sources for the musical instruments. The existing technology has a single structural combination of the camera and the light stand, which cannot meet the lighting function during image acquisition. Utility Model Content

[0003] In view of the above technical problems, the present invention achieves the purpose of providing light at multiple angles by improving different light-filling parts and folding structures.

[0004] The first aspect of the present invention provides: a connecting rod assembly, the connecting rod assembly comprising a first connecting rod, a second connecting rod, a first supporting portion hinged to the first connecting rod and the second connecting rod respectively, and a second supporting portion hinged to a free end of the second connecting rod;

[0005] A fill light unit, the fill light unit is mounted on the first supporting unit;

[0006] A collection end, which is mounted on the second support part and is equipped with a camera and a fill light;

[0007] The light path of the fill light unit intersects with the light path of the acquisition end at the part of the musical instrument to be acquired corresponding to the camera.

[0008] Furthermore, one end of the connecting rod assembly also includes a base for support, and a data interface and a power interface are provided on the side of the base. A voltage stabilizing element is installed inside the base and is electrically connected to the power interface.

[0009] Furthermore, the fill light unit is embedded with a plurality of fill light lamps and a fill light unit switch, and the fill light lamps are electrically connected to the fill light unit switch.

[0010] Furthermore, the first connecting rod, the fill light unit, the second connecting rod, and the collecting end can be folded in the same plane.

[0011] Furthermore, the length of the first connecting rod is slightly greater than the sum of the length of the first side of the base and the length of the first side of the fill light portion.

[0012] Furthermore, the length of the second connecting rod is slightly greater than the sum of the length of the first side of the base, the length of the first side of the fill light part, and the length of the first side of the collection end.

[0013] Furthermore, the base includes a power adapter, a serial flash memory, a micro-control unit, a sensor power supply, and a control unit. The power adapter is electrically connected to the serial flash memory module, the micro-control unit, the sensor power supply, and the control unit. The control unit is electrically connected to the serial flash memory module.

[0014] Furthermore, the collection end is a flat rectangular parallelepiped, which is equipped with a microphone.

[0015] Furthermore, the first connecting rod is fixed with a limiting block, and the base is provided with a limiting groove corresponding to the limiting block;

[0016] The fill light part limiting grooves are arranged on both sides of the first surface of the fill light part, and limiting blocks are arranged at corresponding positions of the first connecting rod and the second connecting rod; the collection end limiting grooves are arranged on the first surface of the collection end adjacent to the first connecting rod.

[0017] Furthermore, the acquisition end is equipped with a fill light adjustment switch, and the fill light on the acquisition end is electrically connected to the fill light adjustment switch on the acquisition end.

[0018] The beneficial effects of the present invention are as follows: the structures of the foldable desk lamp and the rotatable fill-light part are improved to facilitate folding and storage, and at the same time, the foldable connecting rod and the movable fill-light part are used to adjust the light angle, and at the same time, the light intensity is controlled according to the power control component, so as to achieve the purpose of providing light of multiple angles and multiple intensities and overcoming the problems of shadows on the surface of musical instruments and uneven lighting. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The overall assembly of the new embodiment Figure 1 ;

[0020] Figure 2 The overall assembly of the new embodiment Figure 2 ;

[0021] Figure 3 The new embodiment is assembled as a whole Figure 3 ;

[0022] Figure 4 Rear view of the overall assembly diagram of the new embodiment;

[0023] Figure 5 A side view of the overall assembly diagram of the novel embodiment;

[0024] Figure 6 The overall assembly diagram of the new embodiment is a side view of the folded state;

[0025] Figure 7 A top view of the overall assembly diagram of the novel embodiment in a folded state;

[0026] Figure 8 The overall assembly diagram of the novel embodiment is shown in the folded state;

[0027] Fig. 9 Schematic diagram of the optical path of the novel embodiment;

[0028] Fig.10 A schematic diagram of the internal circuit structure of the base of the new embodiment;

[0029] The serial numbers in the figure mean: 1 base, 2 first connecting rod, 3 fill light part, 4 second connecting rod, 5 acquisition end, 11 first side of base, 12 power adapter, 13 serial flash memory module, 14 micro control unit, 15 sensor power supply, 16 control unit, 17 limit slot, 21 limit block, 32 fill light part limit slot, 51 camera, 52 fill light, 31 first side of fill light part, 53 first side of acquisition end, 54 limit slot of acquisition end. DETAILED DESCRIPTION

[0030] The following examples further illustrate the content of the present invention, but should not be construed as limiting the present invention. Without departing from the spirit and essence of the present invention, modifications or substitutions made to the present method, steps or conditions are within the scope of the present invention.

[0031] It should also be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0032] In this novel embodiment, Figure 1-10 As shown,

[0033] A digital music image acquisition device, characterized in that it comprises:

[0034] A connecting rod assembly, the connecting rod assembly comprising a first connecting rod 2, a second connecting rod 4, a first supporting portion hinged to the first connecting rod 2 and the second connecting rod 4 respectively, and a second supporting portion hinged to a free end of the second connecting rod;

[0035] A fill light unit 3, wherein the fill light unit 3 is mounted on the first supporting unit;

[0036] A collection terminal 5, which is mounted on the second supporting part and is equipped with a camera 51 and a fill light 52;

[0037] The optical path of the fill light unit 3 intersects with the optical path of the acquisition end 5 at the part of the musical instrument to be acquired corresponding to the camera 51 .

[0038] In these embodiments:

[0039] The first connecting rod and the second connecting rod are made of rigid materials, such as hard plastic, metal, etc. The interior of the connecting rod can be: a hollow structure with through holes at both ends of the rotatable connection for accommodating and connecting lines; or with routing grooves, or a solid structure, and the lines between different parts of the equipment are directly connected externally.

[0040] The end of the first connecting rod is connected to the fill light part, and a fill light with adjustable brightness is embedded on the first surface of the fill light part. The number of the fill lights can be 1, 2, 3, ..., n, and the fill lights can be installed in a regular geometric shape, such as symmetrical installation, staggered installation, etc.; the fill lights can be lamp beads, LED lights, etc.

[0041] The fill light part is rotatably connected to the second end of the first connecting rod and the first end of the second connecting rod, and the rotatable connection mode can be hinged or connected with a rotating shaft;

[0042] The fill light part is at the second end of the first connecting rod, and the first end of the second connecting rod is rotatably connected to the base, and can rotate within less than 360 degrees around the rotatable connection position of the first end of the first connecting rod, thereby changing the height position of the fill light part and changing the height of the light source;

[0043] The fill light part can rotate at the second end position of the first connecting rod to change the fill light angle and provide more diverse lighting positions.

[0044] The collecting end is rotatably connected to the second end of the second connecting rod, and the rotatable connection method can be a hinge or a shaft connection; the first end of the second connecting rod is rotatably connected to the fill light part, and can rotate around its rotatable connection position within less than 360°, thereby changing the height position of the collecting end and changing the height of the highest point light source; the collecting end can rotate at the rotatable connection position at the second end of the second connecting rod to change the fill light angle and provide a richer lighting position.

[0045] The musical instrument can be a piano, electronic keyboard, simulated keyboard, yangqin, steel plate harp, kalimba, guqin, guzheng and other plucked string, percussion, key instrument or simulated instrument.

[0046] The second connecting rod is connected to the collection end, and the first surface of the collection end fill light is embedded with a fill light with adjustable brightness, and a camera, the camera is located in the center of the first surface of the fill light, and a plurality of fill lights are symmetrically installed around the camera. More fill lights provide more uniform light, and at the same time provide light redundancy, with greater light intensity adjustment space.

[0047] In some embodiments of the present invention, Figure 1-10 As shown, the difference from the above embodiment is that: one end of the connecting rod assembly also includes a base 1 for support, the side of the base 1 is provided with a data interface and a power interface, and a voltage stabilizing element is installed inside the base 1 and is electrically connected to the power interface. .

[0048] In these embodiments:

[0049] The base 1 is a flat rectangular parallelepiped, and its narrow side is provided with different interfaces as required, such as power interface, data interface, etc., and the selected interfaces may be USB interface, USB Type-B square interface, USB Type-C interface, HDMI interface, VGA interface, DVI interface, PS / 2 interface, etc. The interface is used to supply power to the entire image acquisition device and to transmit data, such as acquired image data and audio data.

[0050] In some embodiments of the present invention, Figure 1-10 As shown, the difference from the above embodiment is that: the fill light part 3 is embedded with a plurality of fill light lamps 52 and a fill light adjustment switch, and the fill light lamps 52 are electrically connected to the fill light adjustment switch.

[0051] In some embodiments of the present invention, Figure 1-10 As shown, the difference from the above embodiment is that the first connecting rod 2, the fill light part 3, the second connecting rod 4, and the collecting end 5 can be folded in the same plane.

[0052] In some embodiments of the present invention, Figure 1-10 As shown, the difference from the above embodiment is that the length of the first connecting rod 2 is slightly greater than the sum of the length of the first side 11 of the base and the length of the first side 31 of the fill light portion.

[0053] In these embodiments:

[0054] Through the design of the connecting rod length and the hinged structure between the connecting rods, the collection device in the embodiment can be folded and stored to save space.

[0055] In some embodiments of the present invention, Figure 1-10 As shown, the difference from the above embodiment is that the length of the second connecting rod 4 is slightly greater than the sum of the length of the first side 11 of the base, the length of the first side 31 of the fill light part, and the length of the first side 53 of the collection end.

[0056] In these embodiments:

[0057] The base 1, the first connecting rod 2, the fill light part 3, the second connecting rod 4, and the collecting end 5 can be folded in the same plane.

[0058] In some embodiments of the present invention, Figure 1-10 As shown, the difference from the above embodiment is that: the base 1 includes a power adapter 12, a serial flash memory module 13, a micro-control unit 14, a sensor power supply 15, and a control unit 16, the power adapter 12 is electrically connected to the serial flash memory module 13, the micro-control unit 14, the sensor power supply 15, and the control unit 16, and the control unit 16 is electrically connected to the serial flash memory module 13.

[0059] In these embodiments:

[0060] A power adapter, a serial flash memory module, and a micro-control unit are installed inside the base. The external power supply supplies power to the components in the two fill light parts through the base. At the same time, the external access request transmits a signal to it; the image signal obtained by the camera in the acquisition end is processed by the control unit, transmitted to the serial flash memory module and outputs the image data, which is transmitted to the display device through the interface.

[0061] The base can be a flat rectangular parallelepiped or other regular geometric shapes, or can be other shapes according to the shape of the interface and the internal components of the base, such as a partially raised or recessed top or bottom.

[0062] The invention relates to a light switch, and a control sensor is correspondingly arranged, and the sensor power supply supplies power to the light switch, so as to assist a micro-control unit in adjusting the light intensity.

[0063] In some embodiments of the present invention, Figure 1-10 As shown, the difference from the above embodiment is that the acquisition end 5 is a flat rectangular parallelepiped, which is equipped with a microphone.

[0064] In these embodiments:

[0065] During the teaching process, the microphone can be used to collect audio information, increase the feedback method of learning situation, improve learning efficiency and improve learning effect.

[0066] In some embodiments of the present invention, Figure 1-10 As shown, the difference from the above embodiment is that: the two sides of the first surface of the fill light part 3 are provided with fill light part limiting grooves 32, and the first connecting rod 2 and the second connecting rod 4 are provided with limiting blocks 21 at corresponding positions; the first surface of the collection end 5 is provided with a collection end limiting groove 54 on the side adjacent to the first connecting rod 2;

[0067] One end of the connecting rod assembly further includes a base 1 for support, the first connecting rod 2 is fixed with a limiting block 21, and the base 1 is provided with a limiting groove 17 corresponding to the limiting block.

[0068] In these embodiments:

[0069] Limiting grooves are arranged on both sides of the first surface of the fill light part, and limiting blocks are arranged at corresponding positions of the first connecting rod and the second connecting rod; a limiting groove is arranged on the side adjacent to the first connecting rod on the first surface of the collection end; the first connecting rod 2 fixes the limiting block 21, and the base 1 is provided with a limiting groove 17 corresponding to the limiting block; the limiting grooves and the corresponding limiting blocks are used together to prevent the fill light part and the collection end from excessive rotation, damaging the circuits and connecting parts, preventing hard collisions between components, and improving safety and durability.

[0070] In some embodiments of the present invention, Figure 1-10 As shown, the difference from the above embodiment is that: the acquisition end 5 is equipped with a fill light adjustment switch, and the fill light 52 on the acquisition end 5 is electrically connected to the fill light adjustment switch on the acquisition end 5.

[0071] The technical effects of this new type are multifaceted. More fill lights provide more uniform light, while providing light redundancy and greater light intensity adjustment space. The fill light part can rotate at the second end of the first connecting rod, and the collection end can rotate at the rotatable connection position at the second end of the second connecting rod to change the fill light angle and provide more abundant lighting positions.

[0072] Although the present invention has been described in detail above by means of general description, specific implementation methods and tests, it is obvious to those skilled in the art that some modifications or improvements can be made to the present invention. Therefore, these modifications or improvements made without departing from the spirit of the present invention are within the scope of protection claimed by the present invention.

Claims

1. A digital music image acquisition device, characterized in that: include: A connecting rod assembly, the connecting rod assembly comprising a first connecting rod (2), a second connecting rod (4), a first supporting portion hinged to the first connecting rod (2) and the second connecting rod (4), respectively, and a second supporting portion hinged to a free end of the second connecting rod; A fill light unit (3), the fill light unit (3) being mounted on the first supporting unit; A collection end (5), the collection end (5) being mounted on the second support portion, the collection end (5) being equipped with a camera (51) and a fill light (52); The optical path of the fill light unit (3) intersects with the optical path of the collection end (5) at the part of the musical instrument to be collected corresponding to the camera (51).

2. The digital music image acquisition device according to claim 1, characterized in that: One end of the connecting rod assembly also includes a base (1) for support, and a data interface and a power interface are provided on the side of the base (1). A voltage stabilizing element is installed inside the base (1) and is electrically connected to the power interface.

3. The digital music image acquisition device according to claim 1, characterized in that: The fill light part (3) is embedded with a plurality of fill light lamps (52) and a fill light adjustment switch, and the fill light lamps (52) are electrically connected to the fill light adjustment switch.

4. The digital music image acquisition device according to claim 1, characterized in that: The first connecting rod (2), the fill light part (3), the second connecting rod (4) and the collecting end (5) can be folded in the same plane.

5. The digital music image acquisition device according to claim 2, characterized in that: The length of the first connecting rod (2) is slightly greater than the sum of the length of the first side (11) of the base and the length of the first side (31) of the fill light portion.

6. The digital music image acquisition device according to claim 2, characterized in that: The length of the second connecting rod (4) is slightly greater than the sum of the length of the first side (11) of the base, the length of the first side (31) of the fill light portion, and the length of the first side (53) of the collection end.

7. The digital music image acquisition device according to claim 2, characterized in that: The base (1) comprises a power adapter (12), a serial flash memory module (13), a micro-control unit (14), a sensor power supply (15), and a control unit (16); the power adapter (12) is electrically connected to the serial flash memory module (13), the micro-control unit (14), the sensor power supply (15), and the control unit (16); and the control unit (16) is electrically connected to the serial flash memory module (13).

8. The digital music image acquisition device according to claim 1, characterized in that: The collection end (5) is a flat rectangular parallelepiped and is equipped with a microphone.

9. The digital music image acquisition device according to claim 1, characterized in that: The first surface of the fill light part (3) is provided with fill light part limit grooves (32), and the first connecting rod (2) and the second connecting rod (4) are provided with limit blocks (21) at corresponding positions; the first surface of the collection end (5) is provided with a collection end limit groove (54) on the side adjacent to the first connecting rod (2); One end of the connecting rod assembly also includes a base (1) for support, the first connecting rod (2) is fixed with a limit block (21), and the base (1) is provided with a limit groove (17) corresponding to the limit block.

10. The digital music image acquisition device according to claim 3, characterized in that: The collecting end (5) is equipped with a fill light adjustment switch, and the fill light (52) on the collecting end (5) is electrically connected to the fill light adjustment switch on the collecting end (5).

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