CN110223662A - A kind of zither bridge with pickup function - Google Patents
A kind of zither bridge with pickup function Download PDFInfo
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- CN110223662A CN110223662A CN201910307405.2A CN201910307405A CN110223662A CN 110223662 A CN110223662 A CN 110223662A CN 201910307405 A CN201910307405 A CN 201910307405A CN 110223662 A CN110223662 A CN 110223662A
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Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D3/00—Details of, or accessories for, stringed musical instruments, e.g. slide-bars
- G10D3/04—Bridges
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H3/00—Instruments in which the tones are generated by electromechanical means
- G10H3/12—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument
- G10H3/14—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means
- G10H3/18—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means using a string, e.g. electric guitar
- G10H3/181—Details of pick-up assemblies
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Abstract
The invention belongs to musical instrument fitting technical field, it is related to that there is its zither bridge shell of the zither bridge of pickup function to offer lower chord pillow slot, is equipped in zither bridge shell: lower edge pillow piece, vibrating sensor, control mainboard；Lower edge pillow piece is inserted in lower chord pillow slot；Lower edge pillow piece lower end is in contact with vibrating sensor, and vibrating sensor is connect with control mainboard electric signal；Control mainboard is equipped with power supply module, audio balance circuit module and radio transmitter module, the audio signal input end of audio balance circuit module is connect with vibrating sensor, and the audio signal output end of audio balance circuit module is connect with the audio signal input end of radio transmitter module.The zither bridge is integrated by pickup, equilibrium treatment and transfer function, and carries out signal output using wireless transmission method, without additionally being slotted to musical instrument or other plug-in devices, maintains the overall aesthetics of musical instrument.
Description
Technical field
The invention belongs to musical instrument fitting technical fields, and in particular to a kind of zither bridge with pickup function.
Background technique
There is a very important accessory in stringed musical instruments in guitar, You Keli etc. --- zither bridge (also known as bridge), qin
The effect of bridge positions string not only for installation, string vibration is more importantly transmitted to sounding cabinet, to issue musical instrument
Sound.
Because the volume of musical instrument itself is limited, expand its volume when playing, it is necessary to use the pickups such as microphone
Equipment expands sound, but these pick up facilities are difficult to shield outside noise, and audio distortions are serious.
The sound pick-up of some stringed musical instruments at present by the way that vibrating sensor is arranged at zither bridge, while being opened in musical instrument body
Hole is embedded in or clamps pickup processor, realizes the effect of pickup and processing.But such sound pick-up otherwise need to musical instrument carry out
Aperture processing, can destroy musical instrument primary sound sound quality；Need it is outer hangs on musical instrument, installation is inconvenient and unsightly.In general, body
Product is all larger, and obviously destroys the integrality of musical instrument shape.
Also, current sound pick-up is largely by the transmission of sound signals of pickup to reception by the way of wire transmission
Device amplifies sound after processing.It, can be to using the musical instrument to have constraint although the mode signal of data line transmission is not easy to be distorted.And
Some use the sound pick-up of wireless transmission method, and transmission of sound signals can generate larger distortion, can not restore essential audio.
Summary of the invention
Based on the shortcomings and deficiencies of the above-mentioned prior art, the purpose of the present invention is to provide a kind of qins with pickup function
Pickup processing function is integrated on zither bridge ontology by bridge, is had the characteristics that integrated form, wireless transmission high fidelity signals, can be applied
The various stringed musical instruments such as in guitar, You Keli.
The purpose of the invention is achieved by the following technical solution:
A kind of zither bridge with pickup function, including zither bridge shell, the zither bridge shell offer lower chord pillow slot, the qin
It is equipped in axle housing: being used to support lower edge pillow piece, vibrating sensor, the control mainboard of string；The lower edge pillow piece is inserted in institute
State lower chord pillow slot；Lower edge pillow piece lower end is in contact with the vibrating sensor, and the vibrating sensor and the control are led
The connection of plate electric signal；The control mainboard is equipped with power supply module, audio balance circuit module and radio transmitter module, institute
The audio signal input end for stating audio balance circuit module is connect with the vibrating sensor, the audio balance circuit module
Audio signal output end is connect with the audio signal input end of the radio transmitter module, the power supply module respectively with institute
State the energization input of audio balance circuit module, the energization input connection of radio transmitter module.
Specifically, the zither bridge shell includes shell and bottom cover, the lower chord pillow slot is opened in the shell.
Specifically, being equipped with several threading columns in the zither bridge shell, the threading column is equipped with threading via hole.
Specifically, the power supply module includes rechargeable battery and voltage conversion circuit, the rechargeable battery setting is filled
Electrical interface for connect with external charger, rechargeable battery via after voltage conversion circuit progress voltage conversion respectively to sound
Frequency equalization circuit module, radio transmitter module for power supply.
The present invention has the advantage that compared with the existing technology and effect:
(1) zither bridge provided by the invention with pickup function, pickup, equilibrium treatment and transfer function is integrated,
And signal output is carried out using wireless transmission method, without carrying out additional fluting installation to musical instrument, without other plug-in devices
Part maintains the overall aesthetics of musical instrument.
(2) zither bridge provided by the invention with pickup function is designed using lower edge pillow piece and the pickup of vibrating sensor,
Radio reception works well, and can effectively avoid the influence of environmental noise.
(3) zither bridge provided by the invention with pickup function is provided with audio balance circuit module, can be directly in zither bridge
On balanced adjustment is carried out to output audio, polish instrument tamber, the distortion factor is small, keeps original audio.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the zither bridge in embodiment 1 with pickup function.
Fig. 2 is the explosive view of the zither bridge shown in Fig. 1 with pickup function.
Fig. 3 is the schematic diagram of internal structure of the shell.
Fig. 4 is the structure schematic diagram of the control mainboard.
Fig. 5 is the mounting structure schematic diagram of lower edge pillow piece and vibrating sensor described in embodiment 1.
Fig. 6 is the electrical block diagram of control mainboard in embodiment 1.
Fig. 7 is the circuit diagram of charging circuit described in embodiment 1.
Fig. 8 is the circuit diagram of middle voltage conversion circuit described in embodiment 1.
Fig. 9 is the circuit diagram of sound intermediate frequency amplifying circuit described in embodiment 1.
Figure 10 is the circuit diagram of tuning control switch circuit described in embodiment 1.
Figure 11 is the circuit diagram of middle radio transmitter module described in embodiment 1.
Figure 12 is the schematic diagram that described in embodiment 1 there is the zither bridge of pickup function to be mounted on musical instrument.
Specific embodiment
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
Embodiment 1
In conjunction with shown in Fig. 1, Fig. 2 and Fig. 6, the present embodiment provides a kind of zither bridges 1000 with pickup function, including zither bridge
Shell 100, the zither bridge shell 100 offer lower chord pillow slot 101, are equipped in the zither bridge shell 100: being used to support string
Lower edge pillow piece 200, vibrating sensor 300, control mainboard 400；The lower edge pillow piece 200 is inserted in the lower chord pillow slot 101；Institute
It states 200 lower end of lower edge pillow piece to be in contact with the vibrating sensor 300, the vibrating sensor 300 and the control mainboard 400
Electric signal connection；The control mainboard 400 is equipped with power supply module 410, audio balance circuit module 420 and radio transmitter
Module 430, the audio signal input end of the audio balance circuit module 420 are connect with the vibrating sensor 300, the sound
The audio signal output end of frequency equalization circuit module 420 is connect with the audio signal of the radio transmitter module 430, described
The confession with the energization input, radio transmitter module 430 of the audio balance circuit module 420 respectively of power supply module 410
Electrical input connection.
Specifically, the zither bridge shell 100 includes shell 110 and bottom cover 120, the lower chord pillow slot 101 is opened in described
Shell 110.
The shell 110 carries out detachable installation using bolt with the bottom cover 120.
The vibrating sensor 300 is the vibrating sensor of strip, and length is not less than the length of the lower edge pillow piece 200
Degree.As shown in connection with fig. 5, the lower edge pillow piece 200 is crimped on the vibrating sensor 300.
The vibrating sensor 300 is used to receive the vibration of the conduction of lower edge pillow piece 200, and the deformation that vibration is generated exports
For corresponding electric signal.When shoegaze, the vibration of string can be directly conducted to lower edge pillow piece, the vibration of lower edge pillow piece so that
Vibrating sensor occurs corresponding deformation and reaches pickup purpose to export corresponding electric signal (i.e. audio signal).
As shown in figure 3, being equipped with several threading columns 102 in the zither bridge shell 100, it is logical that the threading column 102 is equipped with threading
Hole 103.Correspondingly, shell 110 is equipped with first string holes 111 corresponding with the threading threading via hole 103 of column 102, bottom cover 120 is set
There is second string holes 121 corresponding with the threading threading via hole 103 of column 102.
The threading column 102, the first string holes 111, the quantity of the second string holes 121 are consistent with the quantity of the string of musical instrument.
In the present embodiment, the threading column 102 is fixedly connected with the inner surface of the shell 110.
As shown in figure 4, the rechargeable battery 412 is installed on the back side of the control mainboard 400, sky can be efficiently used
Between, keep the zither bridge volume with pickup function not too big, convenient for musical instrument traditional zither bridge be changed to it is of the present invention
Zither bridge with pickup function.
As shown in connection with fig. 6, the power supply module 410 includes charging circuit 416, rechargeable battery 412 and voltage conversion electricity
Road 413.The charging circuit is rechargeable battery charging, and the voltage conversion circuit carries out the output voltage of rechargeable battery
It is respectively audio balance circuit module 420, the power supply of radio transmitter module 430 after voltage conversion.The audio balance circuit
Module 420 includes audio amplifier circuit 421 and tuning control switch circuit 422.The audio signal of the audio amplifier circuit 421
Input terminal is connect with vibrating sensor 300, for receiving the electric signal (i.e. audio signal) of vibrating sensor 300；The audio
The audio signal output end of amplifying circuit 421 is connect with the audio signal input end of the tuning control switch circuit 422.It is described
The audio signal input end of the audio signal output end of tuning control switch circuit 422 and the radio transmitter module 430
Connection, for will then be carried out wireless through the audio signal transmission after amplification and equilibrium treatment to radio transmitter module 430
It is transmitted to external receiving end.
In conjunction with shown in Fig. 6, Fig. 7, Fig. 8, the charging circuit is provided with charging interface 411, is by external charge power supply
Rechargeable battery charging.The charging circuit also sets up third display unit and is shown, the third display unit is aobvious for LED
Show unit, is shown for the charged state of rechargeable battery.The rechargeable battery 412 via voltage conversion circuit 412 into
It (i.e. will be single to the power supply of audio balance circuit module 420 by first voltage output end (output ± 3V voltage) after the conversion of row voltage
Power supply is converted into negative and positive dual power), by second voltage output end (output+3.7V voltage) to radio transmitter module 430
Power supply.The power supply module also sets up the second display circuit 415, and second display circuit is LED display unit.Described second
The power input of display circuit and the voltage output end of rechargeable battery connect.
With reference to Fig. 7, the charging circuit includes charging management chip U5, charging interface USB1, the charging management chip
U5 is SE9017 chip.The first pin of the charging interface USB1 is connect with the 4th pin VCC of charging management chip U5, institute
The 4th pin for stating charging interface USB1 is connect with the second pin GND of charging management chip U5, the charging interface USB1's
Connect the 37th capacitor C37 between first pin and the 4th pin, and the first pin of the charging interface USB1 also connects
It is connect respectively with the anode of the anode of light emitting diode D12 and light emitting diode D7 after 38 resistance R38, the light-emitting diodes
The cathode of pipe D12 is connect with the first pin CHRG of charging management chip U5, the cathode and charging valve of the light emitting diode D7
Manage the 5th pin CHRGT connection of chip U5.The light emitting diode D12 is red, and the light emitting diode D7 is green.Institute
State the 39th resistance R39 that connects between the 6th pin PROG of charging management chip U5 and second pin GND, the charging valve
The third for managing the charging management chip U5 after connecting a capacitance group between the third pin BAT and ground terminal AGND of chip U5 is drawn
Foot BAT is connected as the charging output end+WBAT of charging circuit and the charging input end of rechargeable battery, and the capacitance group is by the
38 capacitor C38 and the 36th capacitor C36 is composed in parallel.The red light emitting diodes D12, green LED D7
For showing charged state.
With reference to Fig. 8, the power input+WBAT of the voltage conversion circuit and the power supply output end of rechargeable battery connect
It connects, the power input+WBAT of the voltage conversion circuit connects with the pole S of voltage-stabiliser tube Q2 and one end of second resistance R2 respectively
It connects, the other end of the D of the voltage-stabiliser tube Q2 extremely output end of pressure-stabilizing W+3.7V, the second resistance R2 and the pole G of voltage-stabiliser tube Q2
Connection, the pole G of the voltage-stabiliser tube Q2 are grounded after being sequentially connected in series first diode D1 and switch K1, and the pole G of the voltage-stabiliser tube Q2 is also
It connects and is connect with the pole S of the first triode Q1 after the 13rd diode D13, the pole the D ground connection of the first triode Q1, described the
Connect the 40th resistance R40 between the pole G of one triode Q1 and the pole D of the first triode Q1, the first triode Q1
The pole G connect with the end POWCE of radio transmitter module, the node differential concatenation between first diode D1 and switch K1
It is connect after two diode D2 with the end POWER of radio transmitter module.The pole S of the third transistor Q3 and voltage conversion electricity
Power input+WBAT the connection on road, the pole S of the third transistor Q3 connect after the 45th resistance R45 with the three or three pole
The pole G of pipe Q3 connects, and the pole G of the third transistor Q3 is connect with the cathode of the 13rd diode D13, and the described 3rd 3
The pole D of pole pipe Q3 is connect with the second pin VDD of voltage detector U6, the 35th resistance of the pole D series connection of third transistor Q3
It is connect respectively with the anode of light emitting diode D8, light emitting diode D9, light emitting diode D10, light emitting diode D11 after R35, institute
State light emitting diode D8, light emitting diode D9 is green light, and the cathode ground connection of light emitting diode D8, light emitting diode D9, hair
Optical diode D10, the cathode of light emitting diode D11 are connect with the third pin OUT of the voltage detector, the voltage detecting
First pin GND of device is grounded, and the voltage detector U6 is RT9818-3.2V.
The voltage conversion circuit further includes voltage conversion chip U3, and the voltage conversion chip U3 uses TC7660 core
Piece.Connect after the 41st resistance R41 of the 8th pin V+ series connection of the voltage conversion chip U3 with the pole D of the voltage-stabiliser tube Q2
It connects, the 8th pin V+ of the voltage conversion chip U3 is shorted with the first pin BT and exports+3V voltage connects respectively simultaneously
It is grounded after ten capacitor C10 and the 11st capacitor C11, the third pin GND ground connection of the voltage conversion chip U3, the voltage turns
The 13rd capacitor C13 that connects, the voltage conversion chip U3 are changed between the second pin CAP+ of chip U3 and the 4th pin CAP-
The 5th pin OUT connect after the 40th capacitor C14 ground connection simultaneously as output end output -3V voltage.
In conjunction with shown in Fig. 6, Fig. 9, Figure 10, the first of the power input of the audio amplifier circuit and voltage conversion circuit
Voltage output end connection, the audio signal input end of the audio amplifier circuit are connect with vibrating sensor, audio amplifier circuit
Audio signal output end connect after filter capacitor filtering with the audio signal input end of the tuning control switch circuit,
First power supply output end connection of the power input and voltage conversion circuit of the audio amplifier circuit.The audio amplification electricity
The amplification of audio signal is realized using amplifier TL062 in road.The audio amplifier circuit by received faint audio signal
Tuning control switch circuit is output to after amplifying, the tuning control switch circuit changes by adjusting tuning potentiometer
The high low-pass value of circuit realizes the tuning to audio signal, in addition, the tuning control switch circuit by switch key come
Control the startup and shutdown of complete machine.Tuning and control switch are realized by using common electronic device, it is low in cost, and circuit
High reliablity.
As shown in figure 9, the audio signal input end TP1 of the audio amplifier circuit, audio signal input end TP2 and vibration
Sensor connection, the audio amplifier circuit include that the positive-negative power of the first amplifier U1A, the first amplifier U1A inputs
End is connect with the 5th pin OUT of the 8th pin V+ of the voltage conversion chip U3 and voltage conversion chip U3 respectively,
The audio signal input end TP2 is grounded, and is grounded while being gone back after the 16th capacitor C16 of the audio signal input end TP1 series connection
It connects and is connect with the electrode input end of the first amplifier U1A after the 24th resistance R24, the anode of the first amplifier U1A
Input terminal is also connected and is grounded after the 25th resistance R25, and the negative input of the first amplifier U1A is sequentially connected in series the first electricity
It is grounded after resistance R1, first capacitor C1, the cathode of the first amplifier U1A also respectively series connection the 7th resistance R7 and the second capacitor C2
It is connect afterwards with the output end of the first amplifier U1A, the output end of the first amplifier U1A is as audio signal output end
It is connect after series connection third capacitor C3 with the first audio signal input end of the tuning control switch circuit.First amplifier
U1A uses TL062.
As shown in Figure 10, the tuning control switch circuit includes third amplifier U2A, the 4th amplifier U1B, the 5th puts
Big device U2B, switch SW1, the first tuning potentiometer W1, the second tuning potentiometer W2.The switch SW1 uses SK-22D10, institute
It states third amplifier U2A, the 4th amplifier U1B, the 5th amplifier U2B and is all made of TL062, the first tuning potentiometer W1 is adopted
TONE/B50K, the third amplifier U2A, the 4th amplifier U1B, the are used with PVOL/B50K, the second tuning potentiometer W2
The positive-negative power input terminal of five amplifier U2B is converted with the 8th pin V+ of the voltage conversion chip U3 and the voltage respectively
The 5th pin OUT connection of chip U3.The first fixing end of the first tuning potentiometer W1 is as tuning control switch circuit
The first audio signal input end, the first tuning potentiometer W1 third fixing end ground connection, the first tuning potentiometer
The second of W1 is adjustable end is connected and is connect after the 26th resistance R26 with the second adjustable end of the second tuning potentiometer W2, and described the
Two tuning potentiometer the first fixing ends of W2 are amplified after being sequentially connected in series the 28th resistance R28, the 18th capacitor C18 with the third
The negative input of device U2A connects, and the third fixing end of the second tuning potentiometer W2 is sequentially connected in series the 27th resistance
It is grounded after R27, the 17th capacitor C17, the second adjustable end of the second tuning potentiometer W2 is sequentially connected in series the 8th resistance R8,
It is grounded after 20 resistance R20, the 29th capacitor C29, the node series connection between the 8th resistance R8, the 20th resistance R20
4th capacitor C4 is followed by the negative input of the third amplifier U2A, the negative input of the third amplifier U2A with it is defeated
Connect the 9th resistance R9 between outlet, and the 9th resistance R9 is in parallel with the 5th capacitor C5.
The output end of the third amplifier U2A is sequentially connected in series the 29th resistance R29, twelfth resistor R12, the 8th electricity
It is connect after holding C8, thirteenth resistor R13 with the output end of the 4th amplifier U1B, the 14th resistance R14, the 15th resistance
R15 forms, the node string ten four resistance R14, ten five resistance R15 between in parallel with the 8th capacitor C8 after series arm
Join the negative input that the 21st resistance R21 is followed by the 4th amplifier U1B, the 16th resistance R16, the 7th capacitor C7,
The series arm and twelfth resistor R12, the 8th capacitor C8, thirteenth resistor R13 group that 18th resistance R18 is sequentially connected in series
At series arm be connected in parallel, the tenth resistance R10, the 17th resistance R17 form series arm after with the 7th capacitor C7
Parallel connection, the 6th capacitor C6 of node series connection between the tenth resistance R10, the 17th resistance R17 are followed by the 4th amplifier U1B's
Negative input, connect the 9th capacitor C9 between the negative input and output end of the 4th amplifier U1B, and the third is put
After being also sequentially connected in series the 30th resistance R30, the 31st resistance R31 after the 29th resistance R29 of output end series connection of big device U2A
Connect the output end of the 4th amplifier U1B, the 30th resistance R30, the 31st resistance R31 node between connect the 19th
It is connect after capacitor C19 with the negative input of the 4th amplifier U1B.The output end of the 4th amplifier U1B is sequentially connected in series
It is connect respectively with the first pin of switch SW1 and the 6th pin after 34 resistance R34s, the 21st capacitor C21, the switch
The third pin of SW1 and the 4th pin are shorted, and the second pin of the switch SW1 and the 5th pin are as tuning control switch electricity
The audio signal output end on road is connect with the audio signal input end of radio transmitter module.34th resistance R34,
Described in node between 21st capacitor C21 is sequentially connected in series the 33rd resistance R33, the 32nd resistance R32 is followed by
The output end of 5th amplifier U2B, the node and the described 5th between the 33rd resistance R33, the 32nd resistance R32
The negative input of amplifier U2B connects, the electrode input end ground connection of the 5th amplifier U2B, the 5th amplifier U2B
Output end the 22nd capacitor C22 that connects be followed by the third pin of switch SW1.
In conjunction with shown in Fig. 6, Figure 11, the radio transmitter module includes radio transmitter 431 and the first display electricity
Road 432.Second power supply output end connection of the power input and voltage conversion circuit of the radio transmitter, it is described wireless
The audio signal input end of transmit circuit is connect with the audio signal output end of tuning control switch circuit.The first display electricity
Road is shown using LED, and drives first display circuit by radio transmitter.The radio transmitter module will be connect
The audio signal by amplification tuning of receipts is converted into wireless carrier signal and launches.
As shown in Figure 10, the radio transmitter module includes wireless transmission chip MZ1, and the wireless transmission chip is adopted
Use XWXMZ.The 13rd pin POWCE of the wireless transmission chip MZ1 is connect with the pole G of the first triode Q1, and the tenth
Two pin POWER are connect with the anode of the second diode D2, and the 14th pin serial connection 3rd resistor R3 is followed by the voltage-stabiliser tube Q2
The pole D (that is, output end of pressure-stabilizing W+3.7V), be grounded after the 14th pin also tandem tap K2, the 8th pin, the 9th pin,
Ten pins, the 11st pin are connected light emitting diode D3, light emitting diode D4, light emitting diode D5, light emitting diode D6 respectively
It connects and is grounded after the 22nd resistance R22 again afterwards, the light emitting diode D3, light emitting diode D4, light emitting diode D5, shine
Diode D6 is orange.The 16th pin, the 17th pin, the 18th pin of the wireless transmission chip MZ1 is grounded, the
Five pins and the 6th pin are shorted the pole D (that is, output end of pressure-stabilizing W+3.7V) for being followed by the voltage-stabiliser tube Q2, third pin and the 4th
Pin is grounded after being shorted, and the 12nd capacitor C12, the wireless transmission chip are bridged between the 6th pin, the 4th pin
The audio signal after the 23rd capacitor C23 as radio transmitter module is bridged between the first pin of MZ1, second pin
Input terminal is connect with the audio signal output end of tuning control switch circuit.
As shown in Fig. 2, the control mainboard 400 is equipped with power switch button 414, the power switch button 414 and confession
Electric module 410 connects.The power switch button 414 makes this with pickup function for opening or closing power supply module 410
Zither bridge can open or close pickup function, be conducive to save electricity.
As shown in Fig. 2, the control mainboard 400 is equipped with the audio output interface 440 for grafting audio output line.When outer
It when the interference wireless transmission of boundary's environmental signal, can be switched by the way of audio output line, audio signal used into wire transmission.
The zither bridge with pickup function is mountable to carry out the musical instrument of sounding using string, in guitar, You Keli
Deng.As shown in figure 12, the mountable guitar of zither bridge with pickup function, for carrying out pickup to guitar.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the present invention in any form；It is all
The those of ordinary skill of the industry can be shown in by specification attached drawing and described above and swimmingly implement the present invention；But it is all
Those skilled in the art without departing from the scope of the present invention, using disclosed above technology contents
The equivalent variations for a little variation, modification and evolution made is equivalent embodiment of the invention；Meanwhile it is all according to the present invention
Substantial technological any equivalent variations to the above embodiments variation, modification and evolution etc., still fall within of the invention
Within the protection scope of technical solution.
Claims (10)
1. a kind of zither bridge with pickup function, including zither bridge shell, it is characterised in that: the zither bridge shell offers lower chord pillow
Slot is equipped in the zither bridge shell: being used to support lower edge pillow piece, vibrating sensor, the control mainboard of string；The lower edge pillow piece
It is inserted in the lower chord pillow slot；Lower edge pillow piece lower end is in contact with the vibrating sensor, the vibrating sensor and institute
State the connection of control mainboard electric signal；The control mainboard is equipped with power supply module, audio balance circuit module and wireless transmission electricity
The audio signal input end of road module, the audio balance circuit module is connect with the vibrating sensor, the audio balance
The audio signal output end of circuit module is connect with the audio signal input end of the radio transmitter module, the power supply mould
Block is connect with the energization input of the energization input of the audio balance circuit module, radio transmitter module respectively.
2. the zither bridge according to claim 1 with pickup function, it is characterised in that: the zither bridge shell include shell and
Bottom cover, the lower chord pillow slot are opened in the shell.
3. the zither bridge according to claim 1 with pickup function, it is characterised in that: be equipped in the zither bridge shell several
Column is threaded, the threading column is equipped with threading via hole.
4. the zither bridge according to claim 1 with pickup function, it is characterised in that: the power supply module includes chargeable
Battery and voltage conversion circuit, the rechargeable battery setting charging interface with external charger for connecting, rechargeable battery
It is powered, is passed through to audio balance circuit module by first voltage output end via after voltage conversion circuit carries out voltage conversion
Second voltage output end is to radio transmitter module for power supply.
5. the zither bridge according to claim 1 with pickup function, it is characterised in that: the vibrating sensor is strip
Vibrating sensor, length are not less than the length of the lower edge pillow piece.
6. the zither bridge according to claim 5 with pickup function, it is characterised in that: the lower edge pillow piece is crimped on described
Vibrating sensor.
7. the zither bridge according to claim 4 with pickup function, it is characterised in that: the audio balance circuit module packet
Include audio amplifier circuit and tuning control switch circuit；The audio signal input end and vibrating sensor of the audio amplifier circuit
The audio signal input end of connection, the audio amplifier circuit audio signal output end and the tuning control switch circuit connects
It connects；The audio signal input end of the audio signal output end of the tuning control switch circuit and the radio transmitter module
Connection.
8. the zither bridge according to claim 7 with pickup function, it is characterised in that: the tuning control switch circuit packet
Third amplifier U2A, the 4th amplifier U1B, the 5th amplifier U2B, switch SW1, the first tuning potentiometer W1 and second is included to adjust
Sound potentiometer W2；
The third amplifier U2A, the 4th amplifier U1B, the 5th amplifier U2B positive-negative power input terminal respectively with voltage turn
Change the first voltage output end connection of circuit；
First audio signal input end of the first fixing end of the first tuning potentiometer W1 as tuning control switch circuit,
The third fixing end of the first tuning potentiometer W1 is grounded, end series connection second that the second of the first tuning potentiometer W1 is adjustable
It is connect after 16 resistance R26 with the second adjustable end of the second tuning potentiometer W2, the second tuning potentiometer W2 first is fixed
End is connect after being sequentially connected in series the 28th resistance R28, the 18th capacitor C18 with the negative input of the third amplifier U2A,
The third fixing end of the second tuning potentiometer W2 is grounded after being sequentially connected in series the 27th resistance R27, the 17th capacitor C17,
The second adjustable end of the second tuning potentiometer W2 is sequentially connected in series the 8th resistance R8, the 20th resistance R20, the 29th capacitor
It is grounded after C29, the 4th capacitor C4 of node series connection between the 8th resistance R8, the 20th resistance R20 is followed by the third and puts
The negative input of big device U2A, connect the 9th resistance R9 between the negative input and output end of the third amplifier U2A,
The 9th resistance R9 is in parallel with the 5th capacitor C5；
The output end of the third amplifier U2A is sequentially connected in series the 29th resistance R29, twelfth resistor R12, the 8th capacitor
It is connect after C8, thirteenth resistor R13 with the output end of the 4th amplifier U1B, the 14th resistance R14, the 15th resistance R15 composition
It is in parallel with the 8th capacitor C8 after series arm, the node series connection the 21st between the 14th resistance R14, the 15th resistance R15
Resistance R21 is followed by the negative input of the 4th amplifier U1B, the 16th resistance R16, the 7th capacitor C7, the 18th resistance R18 according to
The series arm that the secondary series arm being composed in series and twelfth resistor R12, the 8th capacitor C8, thirteenth resistor R13 are formed is simultaneously
Connection connection, the tenth resistance R10, the 17th resistance R17 form, tenth resistance in parallel with the 7th capacitor C7 after series arm
Node between R10, the 17th resistance R17 the 6th capacitor C6 that connects is followed by the negative input of the 4th amplifier U1B, and described the
Connect the 9th capacitor C9 between the negative input and output end of four amplifier U1B, the output end string of the third amplifier U2A
Join also be sequentially connected in series the 30th resistance R30 after the 29th resistance R29, the 31st resistance R31 is followed by the 4th amplifier U1B's
Output end, the 30th resistance R30, the 31st resistance R31 node between connect the 19th capacitor C19 after put with the 4th
The negative input connection of big device U1B；The output end of the 4th amplifier U1B is sequentially connected in series the 34th resistance R34, second
It is connect respectively with the first pin of switch SW1 and the 6th pin after 11 capacitor C21, the third pin of the switch SW1 and
Four pins are shorted, and the second pin of the switch SW1 and the 5th pin are exported as the audio signal of tuning control switch circuit
End is connect with the audio signal input end of radio transmitter module；34th resistance R34, the 21st capacitor C21
Between node be sequentially connected in series the 33rd resistance R33, the 32nd resistance R32 is followed by the output of the 5th amplifier U2B
The cathode at end, node and the 5th amplifier U2B between the 33rd resistance R33, the 32nd resistance R32 inputs
End connection, the electrode input end ground connection of the 5th amplifier U2B, the output end series connection the 20th of the 5th amplifier U2B
Two capacitor C22 are followed by the third pin of switch SW1.
9. the zither bridge according to claim 4 with pickup function, it is characterised in that: the control mainboard is opened equipped with power supply
Close button, the power switch button are connect with power supply module.
10. the zither bridge according to claim 1 with pickup function, it is characterised in that: the control mainboard is equipped with and is used for
The audio output interface of grafting audio output line.
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| CN201910307405.2A CN110223662A (en) | 2019-04-16 | 2019-04-16 | A kind of zither bridge with pickup function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910307405.2A CN110223662A (en) | 2019-04-16 | 2019-04-16 | A kind of zither bridge with pickup function |
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| CN201910307405.2A Pending CN110223662A (en) | 2019-04-16 | 2019-04-16 | A kind of zither bridge with pickup function |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5123325A (en) * | 1991-04-05 | 1992-06-23 | Turner Robert A | Film piezoelectric pickup for stringed musical instruments |
| JP2003295865A (en) * | 2002-04-08 | 2003-10-15 | Yamaha Corp | Stringed instrument |
| CN1855221A (en) * | 2005-04-28 | 2006-11-01 | 雅马哈株式会社 | Stringed musical instrument, transducer for the same and its mounting structure on the same |
| CN205491090U (en) * | 2016-01-25 | 2016-08-17 | 惠阳倍铃乐器配件有限公司 | Wireless adapter |
| CN207624370U (en) * | 2017-10-24 | 2018-07-17 | 江新安 | Acoustics musical instrument primary sound and electronic signal converting transmission system |
| CN108922498A (en) * | 2018-09-20 | 2018-11-30 | 正安索尔乐器文化发展有限公司 | Segmented guitar capotasto |
| CN210349276U (en) * | 2019-04-16 | 2020-04-17 | 惠阳倍铃乐器配件有限公司 | Bridge with pickup function |
-
2019
- 2019-04-16 CN CN201910307405.2A patent/CN110223662A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5123325A (en) * | 1991-04-05 | 1992-06-23 | Turner Robert A | Film piezoelectric pickup for stringed musical instruments |
| JP2003295865A (en) * | 2002-04-08 | 2003-10-15 | Yamaha Corp | Stringed instrument |
| CN1855221A (en) * | 2005-04-28 | 2006-11-01 | 雅马哈株式会社 | Stringed musical instrument, transducer for the same and its mounting structure on the same |
| CN205491090U (en) * | 2016-01-25 | 2016-08-17 | 惠阳倍铃乐器配件有限公司 | Wireless adapter |
| CN207624370U (en) * | 2017-10-24 | 2018-07-17 | 江新安 | Acoustics musical instrument primary sound and electronic signal converting transmission system |
| CN108922498A (en) * | 2018-09-20 | 2018-11-30 | 正安索尔乐器文化发展有限公司 | Segmented guitar capotasto |
| CN210349276U (en) * | 2019-04-16 | 2020-04-17 | 惠阳倍铃乐器配件有限公司 | Bridge with pickup function |
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