阅读说明：本技术 一种硅光发电lp唱片拾音头 (Silicon photo-electricity generation LP record pickup head ) 是由 邓彪 于 2021-06-30 设计创作，主要内容包括：本发明涉及拾音头技术领域,具体揭示了一种硅光发电LP唱片拾音头,包括底板、接口板、连接支架、橡胶阻尼垫、针杆组件、硅光电池、遮光片和光源板,底板顶部的左侧开设有插槽,底板顶部左侧的中央位置处固定连接有固定块,接口板插接于插槽的内部并与固定块可拆卸连接,连接支架可拆卸连接于底板顶部的中央,硅光电池通过胶水粘接于连接连接支架右侧的中央位置处,针杆组件包括连接端和一体成型于连接端左右两侧中部的第一杆体和第二杆体,光源板可拆卸连接于两个连接块右侧之间；本发明所有的零部件均可拆卸连接,可通过插接、胶水和螺栓连接方式将所有零件装配起来,结构简单,易于装配,拾音头结构部件极少,故障率低。(The invention relates to the technical field of a sound pickup head, and particularly discloses a silicon photogeneration LP disc sound pickup head which comprises a bottom plate, an interface board, a connecting bracket, a rubber damping pad, a needle rod assembly, a silicon photocell, a light shading sheet and a light source plate, wherein the left side of the top of the bottom plate is provided with a slot, the central position of the left side of the top of the bottom plate is fixedly connected with a fixed block, the interface board is inserted into the slot and detachably connected with the fixed block, the connecting bracket is detachably connected to the center of the top of the bottom plate, the silicon photocell is bonded to the central position of the right side of the connecting bracket through glue, the needle rod assembly comprises a connecting end, a first rod body and a second rod body which are integrally formed in the middle parts of the left side and the right side of the connecting end, and the light source plate is detachably connected between the right sides of two connecting blocks; all parts of the invention can be detachably connected, all parts can be assembled by means of splicing, glue and bolt connection, the structure is simple, the assembly is easy, the number of structural parts of the sound pickup head is small, and the failure rate is low.)

1. The utility model provides a silicon photogeneration LP record sound pickup head, includes bottom plate, interface board, linking bridge, rubber damping pad, needle bar subassembly, silicon photocell, anti-dazzling screen and light source board, its characterized in that: the left side of the top of the bottom plate is provided with a slot, the central position of the left side of the top of the bottom plate is fixedly connected with a fixed block, the interface board is inserted into the slot and detachably connected with the fixed block, four corners of the interface board are fixedly connected with plugs, and the central positions of the top of the bottom plate, which are close to the front side and the back side, are provided with first threaded holes;

the connecting bracket is detachably connected to the center of the top of the bottom plate, an angle between the right side of the connecting bracket and the top surface of the bottom plate is an obtuse angle, connecting blocks are fixedly connected to the front side and the back side of the right side of the connecting bracket, and the silicon photocell is bonded to the center of the right side of the connecting bracket through glue;

the center of the right side of the connecting support and close to the top of the connecting support is provided with an insertion hole, and the rubber damping pad is fixedly connected to the right side of the connecting support through glue and corresponds to the center of the insertion hole;

the needle rod assembly comprises a connecting end, a first rod body and a second rod body, wherein the first rod body and the second rod body are integrally formed in the middle of the left side and the right side of the connecting end;

light source board can be dismantled and connect between two connecting block right sides, the left central authorities welded fastening of light source board has light source lamp pearl.

2. The pickup head for a silicon photogenerating LP record as claimed in claim 1, wherein: a second threaded hole is formed in the center between the left side and the right side of the connecting block, a third threaded hole is formed in the surface of the interface board and in the position corresponding to the center of the second threaded hole, and a bolt is connected between the second threaded hole and the third threaded hole in a threaded mode.

3. The pickup head for a silicon photogenerating LP record as claimed in claim 1, wherein: the silicon photocell is arranged between the two connecting blocks, the distance between the two connecting blocks is the same as the width of the silicon photocell, and the height of the connecting blocks is the same as the cover degree of the silicon photocell.

4. The pickup head for a silicon photogenerating LP record as claimed in claim 1, wherein: a fourth threaded hole is formed in the center of the right side of the connecting block, a fifth threaded hole is formed in the position, corresponding to the center of the fourth threaded hole, on the right side of the light source plate, and a bolt is connected between the fourth threaded hole and the fifth threaded hole in a threaded mode.

5. The pickup head for a silicon photogenerating LP record as claimed in claim 1, wherein: the center of the top of the light-shielding piece is provided with a groove, the light-shielding piece is inserted into the surface of the second rod body through the groove and is fixed through glue, and the light-shielding piece is perpendicular to the second rod body.

6. The pickup head for a silicon photogenerating LP record as claimed in claim 1, wherein: the right end integrated into one piece of the second body of rod has the scarf, needle point and scarf mutually perpendicular.

7. The pickup head for a silicon photogenerating LP record as claimed in claim 1, wherein: the top of the silicon photocell is provided with two first pins for outputting left channel signals, and the bottom of the silicon photocell is provided with two second pins for outputting right channel signals.

8. The pickup head for a silicon photogenerating LP record as claimed in claim 1, wherein: the connecting support is characterized in that the front side and the back side of the connecting support are provided with sixth threaded holes at the central positions close to the top, through holes are formed between the front side and the back side of the first rod body, screws are connected between the sixth threaded holes in a threaded mode, and the middle of each screw penetrates through the through holes.

9. The pickup head for a silicon photogenerating LP record as claimed in claim 1, wherein: the center of the bottom plate is provided with a seventh threaded hole, the center of the bottom of the connecting support is provided with an eighth threaded hole, and a bolt is in threaded connection between the seventh threaded hole and the eighth threaded hole.

10. The pickup head for a silicon photogenerating LP record as claimed in claim 1, wherein: the bottom plate top just is close to left central point department fixedly connected with locating piece, the locating piece right side is parallel to each other with linking bridge's right side, the left side of locating piece and the left side laminating of linking bridge, the contained angle between linking bridge's right side and the bottom plate top surface is 113.

Technical Field

The invention relates to the technical field of a sound pickup head, in particular to a silicon photo-electricity generation LP record sound pickup head.

Background

LP record pickup head in the existing market mainly has three types, be respectively for moving magnetism pickup head, move circle pickup head and move indisputable pickup head, these three types of pickup heads all utilize Faraday's electromagnetic induction law, utilize the relative motion between magnet and the coil to generate electricity, pick up the vibration of LP record line by the needle point, make the inside coil of pickup head and magnet produce relative motion, the induction of cutting magnetic line of force generates electricity, the output signal of telecommunication, so at the pickup head iron core, magnet, under the fixed unchangeable condition of coil conductor number of turns, the relative displacement range of cutting magnetic line of force is big more, output signal is big more. The smaller the displacement amplitude, the smaller the output signal.

These three types of pick-up heads have common drawbacks: when the needle point picks up the bass lines on the LP record, the swing amplitude is much smaller than that when picking up the middle pitch and the high pitch, and according to the electromagnetic induction principle, the output consistency of the high pitch, the middle pitch and the low pitch is poor because of the different swing amplitude when picking up the middle pitch and the low pitch, and even when picking up the extremely low frequency in the LP record, the pick-up head almost has no signal output, thereby losing the details of the sound.

In addition, the existing pickup head has a complex overall structure and low assembly efficiency, and is difficult to maintain if parts are damaged, so that the failure rate is high.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the silicon photo-electricity generation LP record pickup head which has the advantages of strong signal pickup capacity, wide replay frequency, convenience in assembly and the like, and solves the problem that the traditional pickup head is easy to lose sound details.

The invention relates to a silicon photo-electricity generation LP disc sound pickup head, which comprises a bottom plate, an interface plate, a connecting bracket, a rubber damping pad, a needle bar assembly, a silicon photo-electricity cell, a shading sheet and a light source plate, wherein the left side of the top of the bottom plate is provided with a slot, the central position of the left side of the top of the bottom plate is fixedly connected with a fixed block, the interface plate is inserted in the slot and detachably connected with the fixed block, the four corners of the interface plate are fixedly connected with plugs, the central positions of the top of the bottom plate, which are close to the front and the back, are respectively provided with a first threaded hole, the connecting bracket is detachably connected with the center of the top of the bottom plate, an angle between the right side of the connecting bracket and the top surface of the bottom plate is an obtuse angle, the front and the back of the right side of the connecting bracket are respectively and fixedly connected with a connecting block, and the silicon photo-electricity cell is bonded at the central position of the right side of the connecting bracket through glue, connect linking bridge right side and be close to the central point department at top and seted up the jack, rubber damping pad passes through glue fixed connection in linking bridge right side and the position department that corresponds with the jack center, the needle bar subassembly includes the link and integrated into one piece in the first body of rod and the second body of rod at link left and right sides middle part, the center that rubber damping pad was passed to the left end of the first body of rod just pegs graft inside the jack, the right-hand member integrated into one piece of the second body of rod has the needle point, anti-dazzling screen fixed connection is in the left side of the second body of rod, light source plate can dismantle and connect between two connecting block right sides, the left central point welded fastening of light source plate has light source lamp pearl.

Through the design of the technical scheme, all parts of the device can be detachably connected, all parts can be assembled through splicing, glue and a bolt connection mode, the structure is simple, the assembly is easy, the number of structural parts of the sound pickup head is small, and the failure rate is low.

As a further improvement of the invention, a second threaded hole is formed in the center between the left side and the right side of the fixing block, a third threaded hole is formed in the surface of the interface board at a position corresponding to the center of the second threaded hole, and a bolt is connected between the second threaded hole and the third threaded hole in a threaded manner.

Through the design of the technical scheme, convenience is provided for workers to detach and install the interface board.

As a further improvement of the invention, the silicon photocell is arranged between two connecting blocks, the distance between the two connecting blocks is the same as the width of the silicon photocell, and the height of the connecting blocks is the same as the coverage of the silicon photocell.

Through the design of the technical scheme, the silicon photocell can be shielded and protected to a certain extent.

As a further improvement of the invention, a fourth threaded hole is formed in the center of the right side of the connecting block, a fifth threaded hole is formed in the right side of the light source plate and in a position corresponding to the center of the fourth threaded hole, and a bolt is in threaded connection between the fourth threaded hole and the fifth threaded hole.

Through the design of the technical scheme, the light source plate is convenient for workers to detach and install.

As a further improvement of the invention, a groove is formed in the center of the top of the light shielding sheet, the light shielding sheet is inserted into the surface of the second rod body through the groove and is fixed through glue, and the light shielding sheet and the second rod body are perpendicular to each other.

Through the design of the technical scheme, convenience is provided for installation of the shading sheet by workers, and the shading sheet can be firmly fixed on the surface of the second rod body.

As a further improvement of the invention, the right end of the second rod body is integrally formed with a chamfer, and the needle point is perpendicular to the chamfer.

As a further improvement of the present invention, two first pins for outputting left channel signals are disposed on the top of the silicon photocell, and two second pins for outputting right channel signals are disposed on the bottom of the silicon photocell.

As a further improvement of the invention, the front side and the back side of the connecting bracket and the central position close to the top are both provided with a sixth threaded hole, a through hole is arranged between the centers of the front side and the back side of the first rod body, a screw is connected between the two sixth threaded holes in a threaded manner, and the middle part of the screw penetrates through the through hole.

Through the design of the technical scheme, the needle rod assembly is convenient for workers to detach and install.

As a further improvement of the invention, a seventh threaded hole is formed in the center of the bottom plate, an eighth threaded hole is formed in the center of the bottom of the connecting bracket, and a bolt is connected between the seventh threaded hole and the eighth threaded hole in a threaded manner.

Through the design of the technical scheme, the connecting bracket is convenient for workers to detach and install.

As a further improvement of the invention, a positioning block is fixedly connected to the top of the bottom plate and close to the center of the left side of the bottom plate, the right side of the positioning block is parallel to the right side of the connecting bracket, the left side of the positioning block is attached to the left side of the connecting bracket, and the included angle between the right side of the connecting bracket and the top surface of the bottom plate is 113 degrees.

Through the design of the technical scheme, the position of the connecting bracket is conveniently positioned and installed by workers, and the left side of the connecting bracket is only attached to the right side of the positioning block, so that the connecting bracket is prevented from being inclined, and convenience is brought to the operation of installing the connecting bracket.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the seventh threaded hole is formed in the bottom of the bottom plate and is matched with the eighth threaded hole formed in the bottom of the connecting support, so that a worker can conveniently install the connecting support on the bottom plate through a bolt, the interface board can be conveniently disassembled and assembled through the slot formed in the top of the bottom plate and the second threaded hole formed in the fixed block and the third threaded hole formed in the matched interface board, the worker can conveniently disassemble and assemble the light source board through the fourth threaded hole formed in the right side of the connecting block and the fifth threaded hole formed in the light source board, and the worker can conveniently disassemble and assemble the needle rod assembly through the through hole formed in the first rod body and the sixth threaded hole formed in the connecting support.

All spare parts of the device all can be dismantled and connect, and all parts are assembled to accessible grafting, glue and bolted connection mode, simple structure, and the sound pick-up head structural component is few, and the fault rate is low, and the assembly flow is simple, and the productivity is high.

This silicon photocell sound head, fundamentally has abandoned electromagnetic induction's electricity generation structure, has solved the problem of picking up the frequency disappearance, can correctly pick up the audio signal more than zero hertz, and the replay frequency is extremely wide, compares traditional electromagnetic induction sound head, and output gain is bigger, and the SNR is higher.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

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

FIG. 2 is a schematic diagram of the overall explosive structure of the present invention;

FIG. 3 is a schematic overall front sectional structural view of the present invention;

FIG. 4 is a schematic view of the overall top view of the present invention;

FIG. 5 is a schematic perspective view of a base plate according to the present invention;

FIG. 6 is a perspective view of the connecting bracket of the present invention;

FIG. 7 is a schematic perspective view of a silicon photovoltaic cell according to the present invention;

FIG. 8 is a schematic perspective view of an interface board according to the present invention;

FIG. 9 is a perspective view of the needle bar assembly of the present invention;

FIG. 10 is a schematic perspective view of a light-shielding sheet according to the present invention;

fig. 11 is a schematic perspective view of a light source plate according to the present invention.

In the figure: 1. a base plate; 2. a slot; 3. a first threaded hole; 4. a fixed block; 5. a second threaded hole; 6. an interface board; 7. a plug; 8. a third threaded hole; 9. a seventh threaded hole; 10. connecting a bracket; 11. a jack; 12. connecting blocks; 13. a fourth threaded hole; 14. a silicon photocell; 141. a first pin; 142. a second pin; 15. a rubber damping pad; 16. a first rod body; 161. a through hole; 17. a connecting end; 18. a second rod body; 19. a needle tip; 20. a shading sheet; 201. a groove; 21. a light source plate; 22. a light source lamp bead; 23. a fifth threaded hole; 24. positioning blocks; 25. a sixth threaded hole; .

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the various embodiments of the invention. It should be understood, however, that these physical details should not be construed as limiting the invention. That is, in some embodiments of the invention, such physical details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-4, the inventive silicon photo-electricity generation LP disc sound pickup head comprises a base plate 1, an interface board 6, a connecting bracket 10, a rubber damping pad 15, a needle bar assembly, a silicon photo-electricity cell 14, a light shielding sheet 20 and a light source plate 21, wherein the left side of the top of the base plate 1 is provided with a slot 2, the central position of the left side of the top of the base plate 1 is fixedly connected with a fixed block 4, the interface board 6 is inserted into the slot 2 and detachably connected with the fixed block 4, four corners of the interface board 6 are fixedly connected with plugs 7, the central positions of the top of the base plate 1 near the front and the back are respectively provided with a first threaded hole 3, the connecting bracket 10 is detachably connected to the center of the top of the base plate 1, an angle between the right side of the connecting bracket 10 and the top surface of the base plate 1 is an obtuse angle, the front and the back of the connecting bracket 10 are both fixedly connected with a right connecting block 12, the silicon photo-electricity cell 14 is adhered to the central position of the right side of the connecting bracket 10 through glue, the central position of the right side and the top of the connecting bracket 10 is provided with a jack 11, a rubber damping pad 15 is fixedly connected with the right side of the connecting bracket 10 and the position corresponding to the center of the jack 11 through glue, a needle rod component comprises a connecting end 17 and a first rod body 16 and a second rod body 18 which are integrally formed in the middle parts of the left side and the right side of the connecting end 17, the left end of the first rod body 16 passes through the center of the rubber damping pad 15 and is inserted into the jack 11, the right end of the second rod body 18 is integrally formed with a needle point 19, a light shading sheet 20 is fixedly connected with the left side of the second rod body 18, a light source plate 21 is detachably connected between the right sides of the two connecting blocks 12, and a light source lamp bead 22 is fixedly welded in the center of the left side of the light source plate 21, so that all parts of the device can be detachably connected, and all parts can be assembled through the inserting, the glue and the bolt connection mode, the structure is simple and easy to assemble, the sound pick-up head has few structural components and low failure rate.

Referring to fig. 3, 5 and 8, a second threaded hole 5 is formed in a central position between the left side and the right side of the fixing block 4, a third threaded hole 8 is formed in a position on the surface of the interface board 6 corresponding to the center of the second threaded hole 5, and a bolt is connected between the second threaded hole 5 and the third threaded hole 8 in a threaded manner, so that convenience is provided for a worker to detach and install the interface board 6.

Referring to fig. 2, the silicon photocell 14 is disposed between the two connection blocks 12, the distance between the two connection blocks 12 is the same as the width of the silicon photocell 14, the height of the connection block 12 is the same as the coverage of the silicon photocell 14, and the silicon photocell 14 can be shielded and protected to some extent.

Referring to fig. 2, 6 and 11, a fourth threaded hole 13 is formed in the center of the right side of the connecting block 12, a fifth threaded hole 23 is formed in the position, corresponding to the center of the fourth threaded hole 13, on the right side of the light source plate 21, and a bolt is connected between the fourth threaded hole 13 and the fifth threaded hole 23 in a threaded manner, so that a worker can conveniently detach and install the light source plate 21.

Referring to fig. 1, 2 and 10, a groove 201 is formed in the center of the top of the light-shielding sheet 20, the light-shielding sheet 20 is inserted into the surface of the second rod 18 through the groove 201 and fixed by glue, and the light-shielding sheet 20 and the second rod 18 are perpendicular to each other, so that convenience is provided for the installation of the light-shielding sheet 20 by the worker, and the light-shielding sheet 20 can be firmly fixed on the surface of the second rod 18.

Referring to fig. 9, the right end of the second rod 18 is integrally formed with a chamfered surface, and the needle tip 19 is perpendicular to the chamfered surface.

Referring to fig. 7, the top of the silicon photocell 14 is provided with two first pins 141 for outputting left channel signals, and the bottom of the silicon photocell 14 is provided with two second pins 142 for outputting right channel signals.

Referring to fig. 6, 9 and 1, the front and back of the connecting bracket 10 and the central position near the top are both provided with a sixth threaded hole 25, a through hole 161 is provided between the centers of the front and back of the first rod 16, a screw is connected between the two sixth threaded holes 25 by a thread, and the middle of the screw passes through the through hole 161, so that the needle bar assembly can be conveniently detached and installed by a worker.

Referring to fig. 1, a seventh threaded hole 9 is formed in the center of the bottom plate 1, an eighth threaded hole is formed in the center of the bottom of the connecting bracket 10, and a bolt is connected between the seventh threaded hole 9 and the eighth threaded hole in a threaded manner, so that a worker can conveniently detach and install the connecting bracket 10.

Please refer to fig. 1, fig. 2 and fig. 5, the top of the bottom plate 1 is close to the positioning block 24 which is fixedly connected to the left central position, the right side of the positioning block 24 is parallel to the right side of the connecting bracket 10, the left side of the positioning block 24 is attached to the left side of the connecting bracket 10, the included angle between the right side of the connecting bracket 10 and the top surface of the bottom plate 1 is 113 degrees, the worker can conveniently position and install the connecting bracket 10, only the left side of the connecting bracket 10 is attached to the right side of the positioning block 24, the connecting bracket 10 is prevented from being inclined, and convenience is provided for installing the connecting bracket 10.

Assembling: the attachment bracket 10 is first placed on top of the base plate 1, with the seventh threaded hole 9 and the eighth threaded hole aligned, then, screwing a bolt into the seventh threaded hole 9 to finish fixing the connecting bracket 10, and then bonding the silicon photocell 14 in the middle of the right side of the connecting bracket 10 by using glue, so that the silicon photocell 14 is positioned between the two connecting blocks 12, then, the rubber damper pad 15 is fixed at the center of the through hole 161 by glue, and then the first rod 16 is inserted into the insertion hole 11, and screws are screwed into the sixth screw holes 25 to complete the fixation of the pin rod assemblies, and then the light source plate 21 is installed at the right side of the two connection blocks 12, and screws are screwed into the fourth screw hole 13 and the fifth screw hole 23 to complete the fixation of the light source plate 21, and finally the interface board 6 is inserted into the slot 2, and screwing bolts into the second threaded hole 5 and the third threaded hole 8 to complete the assembly of the device.

The working principle is as follows: the light source lamp bead 22 is powered by single-rail direct current, the positive pole of the light source lamp bead 22 is connected with positive voltage, the negative pole is grounded, after the direct current power supply is switched on, the light source lamp bead 22 irradiates light to the silicon photocell 14, and two pins on the silicon photocell 14 are used as signal output of a left sound channel and a right sound channel, if the needle point 19 does not pick up lines on an LP record at the moment, the projection plate cannot vibrate, and the light source projected on the silicon photocell 14 does not change in area. There is no output of electrical signal, if the needle tip 19 is picking up the texture of the LP record being played at this time, the projection plate will vibrate to generate different amplitudes of vibration according to the frequency of the music signal, so the area of the light source projected on the silicon photocell 14 will change continuously to generate correspondingly changed electrical signal, thereby outputting music.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.