CN111932982A

CN111932982A - Show light projection formula exercise fender

Info

Publication number: CN111932982A
Application number: CN202010785591.3A
Authority: CN
Inventors: 杨柳青; 王菲菲; 李艳慧; 李莎; 包春吟
Original assignee: HENAN RADIO & TELEVISION UNIVERSITY
Current assignee: HENAN RADIO & TELEVISION UNIVERSITY
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2020-11-13

Abstract

The invention discloses a display light projection type electric piano for practice, which comprises an equipment device main body, a fixed panel and a piano keyboard, wherein one side of the equipment device main body is fixedly connected with the fixed panel, the top end inside the equipment device main body is fixedly connected with a receiver, a rubber gasket at the bottom of a telescopic rod, a heat preservation lamp inside the projection lamp, and the bottom end surface of the projection lamp is fixedly connected with a display panel, after the display panel is connected with a network, the content on a mobile phone can be displayed on the display panel through the mobile phone, so that a practicer can practice and watch conveniently, the receiver is arranged inside the equipment device main body and is hidden inside, when the device is required to be used, the rubber gasket is fixed at the bottom end of the telescopic rod and is used for preventing noise generated during movement, the heat preservation lamp can emit heat to irradiate on the piano keyboard, fingers cannot feel numb during practice, the device can be connected with a network for use through the receiving of the receiver, is suitable for the use of the electric piano, and has wide development prospect in the future.

Description

Show light projection formula exercise fender

Technical Field

The invention belongs to the technical field of electric pianos, and particularly relates to a display light projection type electric piano for practicing.

Background

An electric piano is an electroacoustic musical instrument. It is a musical instrument that is popular in the early eighties to ninety years, which is emerging in the sixties and seventies of the twentieth century, to replace a piano in some occasions. The sound production principle of the electric piano is that a keyboard is used as an on-off switch to form electrophoresis, once a key is pressed down, an internal crystal oscillator starts to work to form a pulse to generate a waveform with a certain frequency, and then the waveform is amplified by a frequency divider and sent to a loudspeaker to produce sound. The whole sounding process depends on a simple frequency division analog circuit, so the keyboard has no dynamics and string hitting feeling, and the sound is mechanical and monotonous.

When carrying out the projection, when need considering the projection, the point that corresponds, fix on each black and white key, just can guarantee that the user can not press wrong button, and in comparatively cold and hot weather, the finger can be comparatively inflexible, also be unfavorable for the exercise, the people of just beginning to practise even, it is not very skilled, can not smooth play a complete music score, and also not very familiar to the button on the musical instrument dish, be unfavorable for the operation, need guide, it is comparatively troublesome, when using the device, the people of part use, probably do not adapt to the current height of device, when using the operation, can appear uncomfortable sensation.

Disclosure of Invention

The invention aims to: in order to solve the problem that (have certain limitation in convenient, regulation, use), provide a show light projection type exercise fender.

The technical scheme adopted by the invention is as follows: the utility model provides a show light projection formula exercise fender, includes equipment device main part, fixed panel and musical instrument keypad, one side fixedly connected with fixed panel of equipment device main part, fixed panel's surperficial one side bottom fixedly connected with musical instrument keypad, the surperficial one side fixedly connected with black button of musical instrument keypad, one side fixedly connected with white button of black button.

The piano keyboard comprises a piano keyboard body and is characterized in that a placing groove is fixedly connected to the top of the piano keyboard body, a projection lamp is fixedly connected to the top of the placing groove, a connecting body is fixedly connected to one end of the projection lamp, a power connector is fixedly connected to one side of the outer wall of the connecting body, a projection panel is fixedly connected to the middle of the top of the piano keyboard body, and a baffle is fixedly connected to the middle of the bottom of the projection lamp.

The bottom one side fixedly connected with fixed foot of equipment device main part, the bottom swing joint of fixed foot has the telescopic link, outer wall one side swing joint of fixed foot has adjusting nut, adjusting nut's inside fixed surface is connected with the helicoid, the inside fixed surface of telescopic link is connected with rotatory recess.

The bottom fixedly connected with rubber packing ring of telescopic link, the fixed surface of projection lamp is connected with the sublevel profection lamp, the inside fixedly connected with heat preservation lamp of projection lamp, the surperficial one side fixedly connected with rotation regulation switch of equipment device main part.

Preferably, a side-by-side door is fixedly connected to the back of the device body, and a handle is fixedly connected to the surface of the side-by-side door.

Preferably, a hanging piece is fixedly connected to the middle part of the top end of the split door, and a hook is fixedly connected to the middle part inside the hanging piece.

Preferably, one side of the rotary adjusting switch is fixedly connected with a power switch, and one side of the inner wall of the equipment device main body is fixedly connected with an external sound box.

Preferably, the receiver is fixedly connected to the inner top end of the main body of the equipment device.

Preferably, the bottom of the receiver is fixedly connected with a control panel, and one side of the inner wall of the control panel is fixedly connected with an induction button.

Preferably, a display panel is fixedly connected to the bottom end surface of the projection lamp.

Preferably, the keyboard board top is placed with the recess, places the projection lamp at recess top, the connecting body of projection lamp one end, the power connection of connecting body outer wall one side, the projection panel of keyboard board top middle part, the baffle of projection lamp bottom middle part constitutes projection mechanism jointly.

Preferably, the fixed foot of equipment device main part bottom one side, the telescopic link of fixed sole portion, the adjusting nut of fixed sole outer wall one side, the helicoid of adjusting nut internal surface, the rotatory recess of telescopic link internal surface constitutes adjustment mechanism jointly.

Preferably, the rubber gasket at the bottom of the telescopic rod, the sub-section projection lamp on the surface of the projection lamp, the heat preservation lamp inside the projection lamp and the rotary adjusting switch on one side of the surface of the equipment device main body jointly form a temperature control mechanism.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the equipment device, the receiver is fixedly connected to the top end inside the equipment device main body, when the equipment device is used, a network is required to be received, and then projection can be carried out by matching with the display panel, so that better experience feeling is provided for a practicer.

2. According to the invention, the display panel is fixedly connected to the bottom end surface of the projection lamp, so that a practicer needs to watch a music score frequently during practice, but the practicer needs to turn pages and press pages when watching books, which is not convenient, the process is complicated, and by arranging the display panel, after the display panel is connected with a network, the content on the mobile phone can be displayed on the display panel through the mobile phone, so that the practicer can practice and watch conveniently.

3. In the invention, a placing groove at the top of a keyboard, a projection lamp at the top of the placing groove, a connecting main body at one end of the projection lamp, a power supply connector at one side of the outer wall of the connecting main body, a projection panel at the middle part of the top of the keyboard, and a baffle at the middle part of the bottom of the projection lamp jointly form a projection mechanism, because a person just beginning to connect with an exercise is not very skilled, a complete music score cannot be smoothly played, and the keys on a keyboard are not familiar, are not beneficial to operation, need to be guided and are troublesome, by arranging the projection mechanism, the power supply connector is required to be connected on a power supply socket before use, the music score can be placed on the placing groove according to the habit of a user for watching, collapse is prevented by limiting the baffle, the projection panel is fixed on the top of the keyboard and is attached, the projection lamp is projected on the projection panel, and a worker can press the black and white keys according to the position of the lamp, the device embodies convenience.

4. According to the invention, the fixing foot at one side of the bottom of the main body of the equipment device, the telescopic rod at the bottom of the fixing foot, the adjusting nut at one side of the outer wall of the fixing foot, the helicoid on the inner surface of the adjusting nut and the rotary groove on the inner surface of the telescopic rod jointly form the adjusting mechanism, when the device is used, part of users may not adapt to the existing height of the device, and can feel uncomfortable when using and operating.

5. In the invention, a rubber gasket at the bottom of a telescopic rod, a sub-section projection lamp on the surface of the projection lamp, a heat preservation lamp in the projection lamp and a rotary adjusting switch at one side of the surface of an equipment main body form a temperature control mechanism together, when projection is carried out, a corresponding point is fixed on each black and white key to ensure that a user can not press a wrong button, fingers can not be flexible and are not beneficial to practice in cold and hot weather, through the arrangement of the temperature control mechanism, when projection is carried out, the sub-section projection lamp is fixed on the surface of the projection lamp, a plurality of sub-section lamps are arranged, the number of the sub-section lamps is required to be combined with the number of the black and white keys, errors can not be generated during projection, the rubber gasket is fixed at the bottom end of the telescopic rod to prevent noise generated during movement, the heat preservation lamp can be started in cold weather, the heat preservation lamp can radiate heat on a key board, the fingers are not numb during practice, and the device is convenient.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the backside structure of the present invention;

FIG. 3 is a partial schematic view of the present invention;

FIG. 4 is a schematic view of the internal structure of the present invention;

fig. 5 is a schematic structural view of the fixing leg of the present invention.

The labels in the figure are: 1. the device comprises a device body, 2, a fixed panel, 3, a keyboard, 4, a black button, 5, a book placing position, 6, a placing groove, 7, a projection lamp, 8, a connecting body, 9, a power connector, 10, a projection panel, 11, a split door, 12, a handle, 13, a hanging piece, 14, a hook, 15, a fixed foot, 16, a telescopic rod, 17, a rubber gasket, 18, an adjusting nut, 19, a subsection projection lamp, 20, a heat preservation lamp, 21, a white button, 22, a rotary adjusting switch, 23, a power switch, 24, an external sound box, 25, a receiver, 26, a control panel, 27, an induction button, 28, a spiral surface, 29, a rotary groove, 30, a display panel, 31 and a baffle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a show light projection formula exercise fender, includes equipment device main part 1, fixed panel 2 and keypad 3, one side fixedly connected with fixed panel 2 of equipment device main part 1, fixed panel 2's surperficial one side bottom fixedly connected with keypad 3, the surperficial one side fixedly connected with black button 4 of keypad 3, one side fixedly connected with white button 21 of black button 4.

Recess 6 is placed to the top fixedly connected with of musical instrument keypad 3, places recess 6's top fixedly connected with projection lamp 7, and the one end fixedly connected with connecting body 8 of projection lamp 7, outer wall one side fixedly connected with power connection 9 of connecting body 8, the top middle part fixedly connected with projection panel 10 of keypad 3, the bottom middle part fixedly connected with baffle 31 of projection lamp 7.

The fixed foot 15 of bottom one side fixedly connected with of equipment device main part 1, the bottom swing joint of fixed foot 15 has telescopic link 16, and outer wall one side swing joint of fixed foot 15 has adjusting nut 18, and adjusting nut 18's inside fixed surface is connected with helicoid 28, and the inside fixed surface of telescopic link 16 is connected with rotatory recess 29.

The bottom of the telescopic rod 16 is fixedly connected with a rubber gasket 17, the surface of the projection lamp 7 is fixedly connected with a sub-joint projection lamp 19, the inside of the projection lamp 7 is fixedly connected with a heat preservation lamp 20, and one side of the surface of the equipment device main body 1 is fixedly connected with a rotary adjusting switch 22.

Preferably, the back fixedly connected with of equipment device main part 1 is to opening door 11, and the fixed surface who opens door 11 is connected with handle 12, and the maintenance of equipment needs to dismantle it, still need splice after the maintenance is good, and is comparatively troublesome, opens door 11 through the setting, when the maintenance of equipment needs to be carried out, and maintainer accessible handle 12 is opened and is to opening door 11, maintains, and the device has embodied the convenience.

Preferably, a hanging part 13 is fixedly connected to the middle portion of the top end of the side-by-side door 11, a hook 14 is fixedly connected to the middle portion of the inside of the hanging part 13, dust is collected on the surface of the key when the side-by-side door is not used for a long time, a cover plate is directly arranged to easily affect the view of the display screen, the hook 14 is fixed to the inside of the hanging part 13 by arranging the hanging part 13, a plate cover is hooked to the inside of the hook 14 and is fixed to the back of the device main body, and when the side-by-side door is not used for a long time, the side-by-side door can.

Preferably, one side of the rotary adjusting switch 22 is fixedly connected with a power switch 23, one side of the inner wall of the device main body 1 is fixedly connected with an external sound box 24, when playing, the volume needs to be adjusted according to a certain environment, through the arrangement of the external sound box 24, the external sound box 24 is fixed in the device main body to be used for adjusting the volume, the surface is provided with an adjusting switch, and the power switch 23 is used for controlling the on-off of the whole device.

Preferably, the inside top fixedly connected with receiver 25 of equipment device main part 1, when using the device, need receive the network, just can cooperate display panel to carry out the projection, give the better experience of practitioner, through setting up receiver 25, the receiver setting is in the inside of equipment device main part 1, including hiding, when needs use the device, the network use is connected in the receipt of accessible receiver.

Preferably, the bottom of the receiver 25 is fixedly connected with a control panel 26, one side of the inner wall of the control panel 26 is fixedly connected with an induction button 27, since the electronic piano needs an inductive element to transmit signals, the signals are transmitted to an external sound box, and through the arrangement of the control panel 26, the bottom end of the control panel 26 is provided with the induction button used for sensing the pressing of black and white keys and transmitting specific sound to sound production equipment in a mode of passing through electric signals.

Preferably, the bottom fixed surface of projection lamp 7 is connected with display panel 30, when the practitioner practises, need frequent audio spectrum of watching, watch, and watch with books, it is not very convenient, need turn over the page and push down the page, the process is too loaded down with trivial details, through setting up display panel 30, display panel is behind the connecting network, the content presentation on the cell-phone of accessible cell-phone is on display panel, the practitioner's of being convenient for exercise and watching, the device has embodied the convenience.

Preferably, the placement groove 6 at the top of the piano keyboard 3, the projection lamp 7 at the top of the placement groove 6, the connecting body 8 at one end of the projection lamp 7, the power connector 9 at one side of the outer wall of the connecting body 8, the projection panel 10 at the middle part of the top end of the piano keyboard 3, and the baffle 31 at the middle part of the bottom of the projection lamp 7 jointly form a projection mechanism, because a person just starting to connect with the exercise is not very skilled and cannot smoothly play a complete music score, and the keys on the piano keyboard are not familiar, so the operation is not facilitated, guidance is needed and troublesome, by arranging the projection mechanism, the power connector 9 needs to be connected onto a power socket before use, the music score can be placed on the placement groove 6 according to the habit of a user to be watched, collapse is prevented by limiting the baffle 31, the projection panel 10 is fixed on the top of the piano keyboard to be attached, the projection lamp 7 is projected on the projection panel 10, the staff can press black and white button according to the position of lamp can, the device has embodied the convenience.

Preferably, the fixed foot 15 on one side of the bottom of the main body 1 of the equipment device, the telescopic rod 16 at the bottom of the fixed foot 15, the adjusting nut 18 on one side of the outer wall of the fixed foot 15, the spiral surface 28 on the inner surface of the adjusting nut 18 and the rotary groove 29 on the inner surface of the telescopic rod 16 jointly form an adjusting mechanism, when the equipment is used, part of users may not adapt to the existing height of the equipment, when the equipment is used, an uncomfortable feeling can appear, through setting the adjusting mechanism, the spiral surface 28 and the rotary groove 29 are fixedly connected inside the rotary adjusting switch 22 and the telescopic rod 16 respectively, when the rotary adjusting switch 22 is rotated, the spiral surface 28 and the rotary groove 29 inside can generate gear transmission to rise and fall, the telescopic rod 16 is fixed at the bottom end of the fixed foot 15, and the equipment embodies practicability.

Preferably, the rubber gasket 17 at the bottom of the telescopic rod 16, the sub-section projection lamp 19 on the surface of the projection lamp 7, the heat preservation lamp 20 inside the projection lamp 7, and the rotary adjusting switch 22 on one side of the surface of the main body 1 of the equipment device jointly form a temperature control mechanism, when projection is performed, corresponding points are fixed on each black and white key to ensure that a user cannot press wrong buttons when projection is taken into consideration, fingers can be relatively inflexible in cold and hot weather and are not beneficial to practice, by arranging the temperature control mechanism, when projection is performed, the sub-section projection lamp 19 is fixed on the surface of the projection lamp 7, a plurality of sub-section projection lamps 19 are arranged inside the telescopic rods, the number of the telescopic rods needs to be combined with the number of the black and white keys, errors can not be generated during projection, the rubber gasket 17 is fixed at the bottom end of the telescopic rod 16 to prevent noise generated during movement, the heat preservation lamp 20 can be started in cold weather, the heat preservation lamp 20 can give off heat and shine on the musical instrument keypad, just can not feel the finger numb when practising, and the device has embodied the convenience.

The working principle is as follows: firstly, when the device is used, a receiving network is needed to be matched with a display panel for projection so as to provide better experience for a practicer, and the receiver 25 is arranged in the device main body 1 and hidden in the device main body, so that when the device is used, the device can be connected with the network for use through the receiving of the receiver;

then, by arranging the display panel 30, after the display panel is connected with a network, the content on the mobile phone can be displayed on the display panel through the mobile phone, so that the device is convenient for a practicer to practice and watch, and the device embodies convenience;

then, by arranging a projection mechanism, a power connector 9 is required to be connected to a power socket before use, a book can be placed on the placing groove 6 according to the habit of a user to be watched, collapse is prevented by limiting of the baffle 31, the projection panel 10 is fixed to the top of the piano key board to be attached, the projection lamp 7 is projected on the projection panel 10, and a worker can press black and white keys according to the position of the lamp, so that the device embodies convenience;

next, by arranging the adjusting mechanism, the spiral surface 28 and the rotating groove 29 are respectively and fixedly connected inside the rotating adjusting switch 22 and the telescopic rod 16, when the rotating adjusting switch 22 is rotated, the spiral surface 28 and the rotating groove 29 inside can generate gear transmission to be lifted and lowered, the telescopic rod 16 is fixed at the bottom end of the fixed foot 15, and the device embodies practicability;

finally, through setting up the temperature control mechanism, when carrying out the projection, the sub-festival profection lamp 19 is fixed on the surface of projection lamp 7, establish a plurality of sub-festival profection lamps 19 in, the quantity of number, need combine the number of black and white key, just can not produce the error when the projection, rubber packing ring 17 is fixed in the bottom of telescopic link 16, the noise that produces when being used for preventing to remove, heat preservation lamp 20, can open under the comparatively chilly condition of weather, heat preservation lamp 20 can distribute out the heat and shine on the keyboard, just can not feel the finger numb when the exercise, the device has embodied the convenience, this kind of display light projection formula exercise fender's theory of operation.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a show light projection formula exercise fender, includes equipment device main part (1), fixed panel (2) and fallboard (3), its characterized in that: the device comprises a device body (1) and is characterized in that a fixing panel (2) is fixedly connected to one side of the device body (1), a piano key plate (3) is fixedly connected to the bottom of one side of the surface of the fixing panel (2), a black key (4) is fixedly connected to one side of the surface of the piano key plate (3), and a white key (21) is fixedly connected to one side of the black key (4).

Recess (6) are placed to the top fixedly connected with of musical instrument keypad (3), top fixedly connected with projection lamp (7) of placing recess (6), the one end fixedly connected with connecting body (8) of projection lamp (7), outer wall one side fixedly connected with power connection (9) of connecting body (8), the top middle part fixedly connected with projection panel (10) of musical instrument keypad (3), the bottom middle part fixedly connected with baffle (31) of projection lamp (7).

The utility model discloses an equipment device, including equipment device main part (1), bottom one side fixedly connected with fixed foot (15) of fixed foot (15), the bottom swing joint of fixed foot (15) has telescopic link (16), outer wall one side swing joint of fixed foot (15) has adjusting nut (18), the inside fixed surface of adjusting nut (18) is connected with helicoid (28), telescopic link (16) inside fixed surface is connected with rotatory recess (29).

The bottom fixedly connected with rubber packing ring (17) of telescopic link (16), the fixed surface of projection lamp (7) is connected with sub-festival projection lamp (19), the inside fixedly connected with heat preservation lamp (20) of projection lamp (7), the surperficial one side fixedly connected with rotation regulation switch (22) of equipment device main part (1).

2. A display light projection type practice electric piano according to claim 1, wherein: the back of the equipment device main body (1) is fixedly connected with a split door (11), and the surface of the split door (11) is fixedly connected with a handle (12).

3. A display light projection type practice electric piano according to claim 2, wherein: the middle part of the top end of the split door (11) is fixedly connected with a hanging piece (13), and the middle part inside the hanging piece (13) is fixedly connected with a hook (14).

4. A display light projection type practice electric piano according to claim 1, wherein: one side of the rotary adjusting switch (22) is fixedly connected with a power switch (23), and one side of the inner wall of the equipment device main body (1) is fixedly connected with an external sound box (24).

5. A display light projection type practice electric piano according to claim 1, wherein: the top end of the interior of the equipment device main body (1) is fixedly connected with a receiver (25).

6. A display light projection type practice electric piano according to claim 5, wherein: the bottom of the receiver (25) is fixedly connected with a control panel (26), and one side of the inner wall of the control panel (26) is fixedly connected with an induction button (27).

7. A display light projection type practice electric piano according to claim 1, wherein: and the bottom end surface of the projection lamp (7) is fixedly connected with a display panel (30).

8. A display light projection type practice electric piano according to claim 1, wherein: the piano keyboard is characterized in that the top of the piano keyboard (3) is provided with a placing groove (6), a projection lamp (7) arranged at the top of the placing groove (6), a connecting body (8) arranged at one end of the projection lamp (7), a power connector (9) arranged on one side of the outer wall of the connecting body (8), a projection panel (10) arranged in the middle of the top of the piano keyboard (3), and a baffle (31) arranged in the middle of the bottom of the projection lamp (7) jointly form a projection mechanism.

9. A display light projection type practice electric piano according to claim 1, wherein: the device comprises a fixing foot (15) on one side of the bottom of a device main body (1), a telescopic rod (16) at the bottom of the fixing foot (15), an adjusting nut (18) on one side of the outer wall of the fixing foot (15), a spiral surface (28) on the inner surface of the adjusting nut (18), and a rotating groove (29) on the inner surface of the telescopic rod (16) which jointly form an adjusting mechanism.

10. A display light projection type practice electric piano according to claim 1, wherein: the temperature control mechanism is composed of a rubber gasket (17) at the bottom of the telescopic rod (16), a sub-section projection lamp (19) on the surface of the projection lamp (7), a heat preservation lamp (20) inside the projection lamp (7) and a rotary adjusting switch (22) on one side of the surface of the equipment device main body (1) together.