A performance-grade glass harmonica

Abstract

The present invention discloses a performance-grade glass harmonica, comprising a base frame, a metal plate fixedly disposed on the upper end of the base frame, and the metal plate is flexibly connected to the base frame, a plurality of groups of metal rods of different lengths are vertically disposed on the metal plate, the plurality of groups of metal rods are arranged horizontally on the metal plate in a trend of changing from long to short or from short to long, and a glass rod and a metal sheet are also disposed on each group of metal rods; the plurality of metal rods and the plurality of metal sheets are disposed in parallel with each other; a metal loudspeaker is fixedly disposed on one side of the metal plate, the metal loudspeaker has one end facing outwards and the other end fixed on the metal plate. The present invention utilizes the friction vibration of the glass rod to excite the vibration frequency of the metal rod and the friction of the air, thereby emitting a tonal sound, and then amplifies the vibration through the metal sheet, and after maintaining the vibration stability, transmits the vibration to the metal loudspeaker through the metal plate, amplifies the sound and prolongs the sustain, and achieves an ethereal timbre effect.

Description

Technical Field

[0001] The invention relates to the technical field of glass harmonicas, in particular to a performance-level glass harmonica. Background Art

[0002] In 1761, American musician Franklin invented a musical instrument made of glass. Franklin changed the sound-producing unit from a high-foot glass cup to a bowl-shaped glass with a socket hole at the bottom. After connecting them in sequence from large to small, they were placed horizontally on the piano stand and driven by a transmission shaft driven by a foot pedal (similar to an old-fashioned sewing machine). The performer sat behind the instrument, stepped on the pedal, and touched the edge of the glass bowl with wet fingers to produce an ethereal and pleasant sound.

[0003] Franklin's glass harmonica was complicated in structure, difficult to make, expensive, and there was no inherited technology, so it was almost lost in history, and there has been no musical instrument made of crystal or glass since then.

[0004] Since 1761, there are few musical instruments that use glass to make sounds in the world. The traditional glass harmonica has a complicated structure, is difficult to make, is expensive, and has no inherited technology, so it is almost lost in history. The present invention provides a performance-level glass harmonica, which also uses glass vibration, but the sounding body is a metal rod, and the sound effect is amplified by a large speaker, so that a deep and rich sound is produced, similar to the ethereal and pleasant timbre of a "pipe organ". Summary of the invention

[0005] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a performance-grade glass harmonica to solve the problems raised in the above technical background.

[0006] To achieve the above object, the present invention is implemented through the following technical solutions:

[0007] A performance-grade glass harmonica comprises a base frame, a metal plate is fixedly provided on the upper end of the base frame, and the metal plate is flexibly connected to the base frame, a plurality of groups of metal rods of different lengths are vertically provided on the metal plate, the plurality of groups of metal rods are arranged horizontally on the metal plate in a trend of changing from long to short or from short to long, and a glass rod and a metal sheet are also provided on each group of metal rods; the plurality of metal rods and the plurality of metal sheets are respectively arranged in parallel with each other;

[0008] A metal loudspeaker is fixedly arranged on one side of the metal plate, with one end of the metal loudspeaker opening facing outwards and the other end being fixed on the metal plate.

[0009] In the above technical solution, each group of metal rods includes a thick rod and a thin rod; a glass rod is provided in the middle of each thin rod, and one end of the glass rod is fixed to the thin rod, and the other end extends in a direction away from the thick rod;

[0010] The lower ends of the thick rods and the thin rods of each group of metal rods are fixed on the metal plate, and the upper ends of the thick rods and the thin rods of each group of metal rods are fixedly connected with the metal sheet.

[0011] In the above technical solution, the thick rods of the plurality of groups of metal rods distributed at both ends of the metal plate are fixedly connected by a fixing piece respectively.

[0012] In the above technical solution, the base frame includes a cross frame and brackets respectively supported at both ends of the cross frame, and both ends of the cross frame are softly connected to the two ends of the metal plate through a rubber buffer;

[0013] A supporting base is also fixedly provided in the middle of the horizontal frame.

[0014] In the above technical solution, the metal plate is provided with a metal loudspeaker and one side thereof is also provided with a plurality of umbrella-shaped loudspeakers, and the loudspeakers are fixed to the metal plate by metal screws.

[0015] In the above technical solution, the metal loudspeaker is leaf-shaped, bowl-shaped or cone-shaped.

[0016] In the above technical solution, the metals used in the several groups of metal rods, the several metal sheets and the metal plates are all aluminum, copper, iron or alloys.

[0017] In the above technical solution, a tray is also fixedly provided on the base frame.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. Connect the glass rod to a metal (copper, iron, aluminum or steel) rod. Since sound is a sound wave generated by the vibration of an object, the vibration of the glass rod caused by rubbing the glass rod with your fingers will cause the metal (copper, iron, aluminum or steel) rod to receive the frequency and produce sound. The length of the metal rods arranged from long to short or from short to long determines the tone. A metal sheet (such as an aluminum brick) is fixedly connected to the upper end of the metal (copper, iron, aluminum or steel) rod to amplify the vibration of the metal rod while maintaining the vibration stability of the bass metal rod. The metal rod connected with the metal sheet and the glass rod is fixed on a metal plate. The metal plate can receive the total vibration frequency at the same time, and amplify, mix and sustain the sound through a metal loudspeaker installed on the metal plate to make the tone richer and longer.

[0020] 2. Each group of metal rods includes a thick rod and a thin rod. The middle of the thin rod is connected to the glass rod, and the tops of the thick rod and the thin rod are fixed to the corresponding metal sheets. The thin rod is responsible for vibrating to produce sound, and the thick rod is responsible for stabilizing the shaking of the thin rod. When rubbing the glass rod, the thin rod produces greater vibration. At the same time, the thick rods arranged in parallel maintain the stability of the vibration, making the vibration more stable and the sound range wider.

[0021] 3. The metal plate and the chassis are softly connected with rubber buffers. The specific propagation speed of the vibration frequency is 5000m / s for aluminum (rod), 5200m / s for iron (rod), 3750m / s for copper (rod), and 270m / s for rubber. After the vibration of the metal rod is transmitted to the metal plate, the vibration is buffered by the rubber buffer, which will terminate all vibrations and avoid propagation to the chassis, so that all sounds are transmitted through the loudspeakers connected to the metal plate, making the overall color full and clean, and emitting an ethereal and soft tone.

[0022] Compared with Franklin's glass harmonica in 1761, this musical instrument is also made from the sound produced by the vibration of glass, but the sound is not produced by the glass itself. Instead, the glass rod or crystal rod is glued with water to increase the friction, and then rubbed by hand to stimulate the vibration of the glass rod, which is then transmitted to the metal rod, causing the metal to rub against the air to produce sound. The invention is easy to play, the ethereal tone is easy to control, and it is easy to disassemble and tune at any time. At the same time, the overall structure is not complicated, which reduces the difficulty of production. It can also handle any music and produce an ethereal and pleasant tone similar to that of an "organ". BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 It is a schematic diagram of the local structure of the present invention;

[0025] Figure 3 It is a schematic diagram of the connection between the metal rod and the glass rod;

[0026] Figure 4 It is a front view of the connection between the metal plate and the crossbar of the chassis;

[0027] Figure 5 It is a side view of the connection between the metal plate and the crossbar of the chassis;

[0028] In the figure,

[0029] 1. Base frame; 1.1. Horizontal frame; 1.2. Bracket; 1.3. Support base; 2. Metal plate; 3. Metal rod; 3.1. Thick rod; 3.2. Thin rod; 4. Glass rod; 5. Metal sheet; 6. Metal loudspeaker; 7. Loudspeaker; 8. Tray; 9. Rubber buffer. DETAILED DESCRIPTION

[0030] The following describes the embodiments of the present invention by specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0031] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention, and thus the drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0032] like Figure 1 and Figure 2 As shown, the present invention provides a performance-grade glass harmonica, comprising a base frame 1, a metal plate 2 is fixedly provided on the upper end of the base frame 1, and the metal plate 2 is flexibly connected to the base frame 1, a plurality of groups of metal rods 3 of different lengths are vertically provided on the metal plate 2, the plurality of groups of metal rods 3 are arranged horizontally on the metal plate 2 according to a change trend from long to short, or from short to long, and a glass rod 4 and a metal sheet 5 are respectively provided at the middle and the upper end of each group of metal rods 3; the plurality of metal rods 4 and the plurality of metal sheets 5 are respectively arranged in parallel with each other;

[0033] A metal loudspeaker 6 is fixedly disposed on one side of the metal plate 2 , with one end of the loudspeaker 6 facing outwards and the other end fixed on the metal plate 2 .

[0034] like Figure 3 As shown, in the above technical solution, each group of metal rods 3 includes a thick rod 3.1 and a thin rod 3.2, and the lengths of the thick rod 3.1 and the thin rod 3.2 in each group of metal rods 3 are equal or nearly equal; a glass rod 4 is provided in the middle of each thin rod 3.2, and one end of the glass rod 4 is fixed to the thin rod 3.2, and the other end extends in the direction away from the thick rod 3.1; each glass rod is arranged in the middle of the corresponding thin rod 3.2, and further, the middle of the thin rod 3.2 is middle-upper, middle, and middle-lower, and the overall arrangement of several glass rods 4 is to try to be biased towards the middle, and several glass rods 4 are aligned with each other; at the position where the metal rod 3 is shorter, the glass rod 4 is arranged in the middle-upper; at the position where the metal rod 3 is longer, the glass rod 4 is arranged in the middle-lower; the thick rods 3.1 of the multiple groups of metal rods 3 distributed at both ends of the metal plate 3 are fixedly connected by a fixing piece, which is more convenient for stabilizing the vibration of the metal rod 3.

[0035] The lower ends of the thick rods 3.1 and the thin rods 3.2 of each group of metal rods 3 are fixed on the metal plate, and the upper ends of the thick rods 3.1 and the thin rods 3.2 of each group of metal rods 3 are fixed to the metal sheet 5. The thin rods 3.2 are responsible for vibrating to produce sound, and the thick rods 3.1 are responsible for stabilizing the shaking of the thin rods. When rubbing the glass rod 4, the thin rods 3.2 produce greater vibrations, and the thick rods 3.1 arranged in parallel maintain the stability of the vibration, thereby improving the pitch.

[0036] Furthermore, as the length of the metal rod 3 on the metal plate 2 increases, the mass of the corresponding metal sheet 5 set on the metal rod 2 increases, or the volume increases; this is because the longer the length of each group of metal rods 2 is, the lower the sound is, the larger the mass of the metal sheet 5 that needs to be set is, that is, the larger the volume of the metal sheet 5 is.

[0037] In the above technical solution, the base frame 1 and the metal plate 2 are softly connected via a rubber buffer 9. Figure 1 As shown, the base frame 1 includes a cross frame 1.1 and brackets 1.2 respectively arranged at both ends of the cross frame. Figure 4 and Figure 5 As shown, both ends of the cross frame 1.1 are also softly connected to the two ends of the metal plate 2 through rubber buffers 9; the upper end of the rubber buffer 9 is fixedly connected to the bottom surface of the metal plate 2 through a first connecting piece (not shown in the figure), and the lower end of the rubber buffer 9 is fixedly connected to the cross frame 1.1 through a second connecting piece (not shown in the figure); specifically, the rubber buffer 9 is at least one rubber plug. A support base 1.3 is also fixedly provided in the middle of the cross frame 1.1.

[0038] In the present invention, the metals used in the groups of metal rods 3, the metal sheets 5 and the metal plate 2 are all aluminum, copper, iron or alloys.

[0039] In the present invention, the metal plate and the chassis are softly connected by a rubber buffer. The specific propagation speed of the vibration frequency is 5000m / s for aluminum (rod), 5200m / s for iron (rod), 3750m / s for copper (rod), and 270m / s for rubber. After the vibration of the metal rod is transmitted to the metal plate, the vibration is buffered by the rubber buffer, which will stop all vibrations and avoid propagation to the chassis, so that all sounds are transmitted through the loudspeaker connected to the metal plate, making the overall color full and clean, and emitting an ethereal and soft tone. In the present invention, the metal loudspeaker 6 is leaf-shaped, bowl-shaped or cone-shaped.

[0040] In the present invention, the metal plate 2 is provided with a metal loudspeaker 6 and a plurality of umbrella-shaped loudspeakers 7 on one side. The loudspeakers 7 are fixed to the metal plate 2 by metal screws. The plurality of umbrella-shaped loudspeakers 7 are used for sound amplification, further assisting the metal loudspeaker 6 in amplifying the sound.

[0041] In the present invention, a tray 8 is fixedly provided on the base frame 1 for containing water, so as to facilitate the glass rod 4 to be dipped in water when being rubbed by fingers.

[0042] In the present invention, the metal sheet 5 is fixedly connected to the thick rod 3.1 and the thin rod 3.2 by bolts (or screws), the thick rod 3.1, the thin rod 3.2 and the metal plate 2 are fixedly connected by bolts (or screws), and the glass rod 4 is fixedly connected to the thin rod 3.2 by bolts (or screws). The glass piano provided by the present invention is easy to disassemble and can be tuned at any time.

[0043] The working principle of the present invention is as follows: by rubbing a glass rod, the glass rod is vibrated (only responsible for vibration, no sound), and the vibration is transmitted to the thin rod of the metal rod, the thin rod vibrates and makes a sound (responsible for making a sound, determining the length of the tone, the principle is like that of a guitar), the thick rod stabilizes the shaking of the thin rod, the vibrations of the thin rod and the thick rod are transmitted to the metal sheet, the metal sheet vibrates (responsible for increasing the mass, helping the vibration, and maintaining the vibration stability of the metal rod), and at the same time the total vibration frequency of the stronger metal sheet and metal rod is transmitted to the metal plate, the metal plate receives the total vibration frequency, and through the metal loudspeaker installed on the metal plate, it amplifies, mixes, and sustains the sound, making the timbre richer and longer.

[0044] The present invention is a musical instrument which utilizes the friction vibration of a glass rod to stimulate the vibration frequency of a metal rod and the friction with the air, thereby emitting a tonal sound, and then amplifies the vibration through a metal sheet, and after maintaining the vibration stability, transmits the vibration through the metal plate to a metal loudspeaker, thereby amplifying the sound and prolonging the sustain, thereby achieving an ethereal timbre effect.

[0045] The above-mentioned embodiments only express the specific implementation of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A performance-grade glass harmonica, characterized in that: The invention comprises a base frame (1), a metal plate (2) is fixedly provided on the upper end of the base frame (1), and the metal plate (2) is flexibly connected to the base frame (1); a plurality of groups of metal rods (3) of different lengths are vertically provided on the metal plate (2); the plurality of groups of metal rods (3) are arranged transversely on the metal plate (2) in a changing trend from long to short or from short to long; each group of metal rods (3) is also provided with a glass rod (4) and a metal sheet (5); the plurality of glass rods (4) and the plurality of metal sheets (5) are respectively arranged in parallel with each other; A metal loudspeaker (6) is fixedly provided on one side of the metal plate (2), wherein one end of the metal loudspeaker (6) faces outwards and the other end is fixed on the metal plate (2); Each group of metal rods (3) comprises a thick rod (3.1) and a thin rod (3.2); a glass rod (4) is provided in the middle of each thin rod (3.2), and one end of the glass rod (4) is fixed to the thin rod (3.2), and the other end extends in a direction away from the thick rod (3.1); The lower ends of the thick rods (3.1) and the thin rods (3.2) of each group of metal rods (3) are fixed on the metal plate (2), and the upper ends of the thick rods (3.1) and the thin rods (3.2) of each group of metal rods (3) are fixedly connected to the metal sheet (5); The base frame (1) comprises a cross frame (1.1) and brackets (1.2) respectively supported at both ends of the cross frame, and both ends of the cross frame (1.1) are softly connected to the two ends of the metal plate (2) via a rubber buffer (9); A supporting base (1.3) is also fixedly provided in the middle of the cross frame (1.1).

2. A performance-grade glass harmonica according to claim 1, characterized in that: The thick rods (3.1) of the plurality of groups of metal rods (3) distributed at both ends of the metal plate (2) are fixedly connected by a fixing piece.

3. The performance-grade glass harmonica according to claim 1, characterized in that: The metal plate (2) is provided with a metal loudspeaker (6) and one side thereof is also provided with a plurality of umbrella-shaped loudspeakers (7), and the loudspeakers (7) are fixed to the metal plate (2) by metal screws.

4. The performance-grade glass harmonica according to claim 1, characterized in that: The metal loudspeaker (6) is leaf-shaped, bowl-shaped or cone-shaped.

5. The performance-grade glass harmonica according to claim 1, characterized in that: The metals used by the groups of metal rods (3), the metal sheets (5) and the metal plate (2) are all aluminum, copper, iron or alloys.

6. The performance-grade glass harmonica according to claim 1, characterized in that: A tray (8) is also fixedly provided on the base frame (1).

Images