CN207269264U - Step-by-step movement volume potentiometer - Google Patents
Step-by-step movement volume potentiometer Download PDFInfo
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- CN207269264U CN207269264U CN201720662189.XU CN201720662189U CN207269264U CN 207269264 U CN207269264 U CN 207269264U CN 201720662189 U CN201720662189 U CN 201720662189U CN 207269264 U CN207269264 U CN 207269264U
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- gear
- volume
- eccentric wheel
- circuit
- adjustment
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Abstract
The utility model discloses a kind of step-by-step movement volume potentiometer.The potentiometer includes：The travelling gear (33) of main shaft (17) lower end is fixed on, the gear grooved quantity of the travelling gear (33) is identical with the gear grooved quantity of adjustment gear (18)；Stepper motor (31) with eccentric wheel (32), rotated by stepper motor (31) band movable eccentric wheel (32), eccentric wheel (32) is touched travelling gear (33) during a circumference is rotated and then make the corresponding angle for rotating a gear grooved of travelling gear (33), and eccentric wheel (32) is separated with travelling gear (33) when stepper motor (31) is stopped；For volume of reception adjustment control signal with control stepper motor (31) operate control board.Drive potentiometer spindle rotation to realize the output volume size of remote control adjustment potentiometer by the stepper motor with eccentric wheel, have the advantages that simple in structure, reliable operation, interference are few.
Description
Technical field
A kind of potentiometer is the utility model is related to, more particularly, to a kind of step-by-step movement volume potentiometer.
Background technology
Traditional step-by-step movement volume potentiometer is to slide to change current potential on fixed carbon resister by contact, at least there is following lack
Fall into：
1. contact is slided repeatedly on fixed carbon resister, not only it is easily damaged fixed carbon resister and causes current potential inaccurate, be also easy to
Because contact sticks together with fixed carbon resister and produces noise in sliding process.
2. realize adjusting volume manually by gear-change operation, but it is poor without obvious shift-feel, user experience.
3. the mechanical gauge outfit of potentiometer collocation pointer-type carries out level indicating, but the reaction speed of the mechanical gauge outfit of pointer-type compared with
Slowly, potentiometer output signal may be influenced when and level samples.
Utility model content
Technical problem to be solved in the utility model is, the defects of for the prior art, proposes a kind of step-by-step movement volume
Potentiometer, drives potentiometer spindle rotation to realize that the output volume of remote control adjustment potentiometer is big by the stepper motor with eccentric wheel
It is small.
The utility model adopts the following technical solution realizes：A kind of step-by-step movement volume potentiometer, including at least main shaft 17, set
Several insulated substrates 13 for being located on main shaft 17, the volume control circuit being located therein on polylith insulated substrate 13, arranged on master
End is used for the adjustment gear 18 for adjusting volume manually on axis 17, is fixed on the travelling gear 33 of 17 lower end of main shaft, the transmission
The gear grooved quantity of gear 33 is identical with the gear grooved quantity of adjustment gear 18；Stepper motor 31 with eccentric wheel 32, by stepping
Motor 31 is rotated with movable eccentric wheel 32, make eccentric wheel 32 can be touched during a circumference is rotated travelling gear 33 and then
Travelling gear 33 is corresponded to the angle for rotating a gear grooved, and make eccentric wheel 32 and transmission when stepper motor 31 is stopped
Gear 33 is separated；For volume of reception adjustment control signal with control stepper motor 31 operate control board.Pass through control
Stepper motor processed rotates and the volume adjustment based on remote control can be achieved, and manual volume is adjusted, is remotely controlled between volume adjustment mutually
It is independent, it does not interfere with each other, so that user-friendly.
In one embodiment, the step-by-step movement volume potentiometer further include the rotary torsion being connected with adjustment gear 18 can
Structure is adjusted, which includes：Ball 21, produce elastic force make ball 21 be close to adjustment gear 18 one of them
The compression spring 22 of gear grooved, an end of the compression spring 22 connects ball 21 and another end connects adjusting screw 23.This technical solution
Feel when potentiometer adjusts the gear shift operation of volume manually can be improved, improve user experience.
In one embodiment, an insulated substrate 13 is electrical equipped with being not present between volume control circuit wherein
The sample circuit 15 of connection, and sample circuit 15 is formed by the sampling resistor concatenation of several similar resistances.This technical solution can
Accurately to detect potentiometer output volume size without producing interference signal to the output volume signal of potentiometer.
In one embodiment, control board includes controller, connects communication module, the motor driving electricity of controller
Road, amplifying circuit, upgrade interface circuit and output interface circuit；And the signal volume output terminal of volume control circuit passes through conducting wire
Amplifying circuit is connected to, which is connected to one of data port of controller.
In one embodiment, communication module is bluetooth module, infrared module, wireless network module or radio communication mould
Block.
In addition, the utility model also has the advantages that simple in structure, reliable operation, interference are few good so as to export tonequality.
Brief description of the drawings
Fig. 1 is the decomposition texture schematic diagram of the utility model step-by-step movement volume potentiometer.
Fig. 2 is the attachment structure schematic diagram of stepper motor and main shaft.
Fig. 3 is the part-structure schematic diagram realized gear shift and adjusted of the utility model step-by-step movement volume potentiometer.
Fig. 4 is the internal structure schematic diagram of the utility model step-by-step movement volume potentiometer.
Fig. 5 is the structure diagram of the control circuit of the utility model step-by-step movement volume potentiometer.
Embodiment
With reference to shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, step-by-step movement volume potentiometer（Hereinafter referred to as " potentiometer "）Including：Shell
11st, several columns 12 of several insulated substrates 13 and main shaft 17, connected with outer casing 11 and insulated substrate 13, each insulated substrate
13 are set on main shaft 17 by a rotation section 16；The volume control circuit being located therein on polylith insulated substrate 13, the sound
Amount, which adjusts circuit, includes the volume attenuation degree resistance of some concatenations；End has adjustment gear 18, adjustment gear 18 on main shaft 17
A tooth mouth correspond to volume adjustment a gear.In addition, volume control circuit has multiple binding posts 19, the binding post
19 expose outside shell 1, and one of binding post 19 connects an end of volume control circuit, and the connection of another binding post 19 rotates
Portion 16, rotation section 16 are accessed in some position of volume control circuit accordingly with gear determined by sized 18, from
And there is volume control circuit different equivalent input resistance to correspond to the different volume of output during different stalls（Or the electricity of different amplitudes
Ordinary mail number）.
One of technical problem to be solved in the utility model is when improving potentiometer to adjust the gear shift operation of volume manually
Feel, improve user experience.For this reason, the utility model sets connection adjustment gear 18 in step-by-step movement volume potentiometer
Rotary torsion adjustable structure, specifically includes：The ball 21 set is contacted with 18 one of gear grooved of adjustment gear, an end connects
The compression spring 22 of ball 21 is connect, another end of the compression spring 22 connects an adjusting screw 23 being fixed on shell 11, by compression spring
22 generation elastic force make ball 21 be close among the gear grooved of adjustment gear 18.The gear shift operation process of volume is being adjusted manually
In, main shaft 17 is rotated, ball 21 enters adjacent next gear from current gear grooved with sized 18 rotation
In groove, pause and transition in rhythm or melody sense is produced so as to improve the feel of gear shift operation；And it can unscrew or tighten adjusting screw 23 to reduce or improve
The elastic force of compression spring 22, so as to reduce or improve forces required to change gear degree, meets user personality needs.
Another technical problem to be solved in the utility model is, it is accurate detect potentiometer outputs level signals size and
Interference signal will not be produced to the output volume signal of potentiometer.The utility model sets on an insulated substrate 13 adopt wherein
Sample circuit, there is no electric connection between the sample circuit and volume control circuit, and sample circuit is by several similar resistances
Sampling resistor concatenation form.Such as volume adjustment gear when 50 grades, i.e. adjustment gear 18 has 50 equidistant gears
Groove, sample circuit also includes 50 sampling resistors being sequentially connected in series, and 50 sampling resistors are circumferentially uniformly arranged around main shaft 17
Row, so that adjustment gear 18 is rotated when carrying out volume adjustment, the also synchronous same angular turn of the rotation section 16 among sample circuit, from
And rotation section 16 changes the position for being connected to sample circuit accordingly, change equivalent resistance；A wherein end to sample circuit
One given voltage, according to the sampled voltage size exported from the rotation section 16 among sample circuit, you can judge current
Volume.Such as given voltage 10V, it is 100% when sampled voltage=10V corresponds to volume, corresponding volume gear is the 50th grade；When
Sampled voltage=9V, volume is 90% at this time, and corresponding amount gear is the 45th grade.
Another technical problem to be solved in the utility model is to provide the step-by-step movement volume electricity of distance type volume adjustment
Position device.The utility model is equipped with travelling gear 33 in 17 lower end of main shaft（The gear grooved quantity of the travelling gear 33 is with adjusting tooth
The gear grooved quantity of wheel 18 is consistent）, the stepper motor 31 with eccentric wheel 32 is equipped with shell 11；Adjust and control for volume of reception
Signal driving stepper motor 31 processed stirs travelling gear 33 with movable eccentric wheel 32 and realizes automatic gear shifting function, and detection potentiometer
Real-time volume and the control board for exporting current potential.
Motor 31 is rotated with movable eccentric wheel 32, and 32 per revolution of eccentric wheel, the distalmost end of eccentric wheel 32 touches transmission
Gear 33 makes travelling gear 33 rotate the angle of a gear grooved, drives main shaft 17 also to rotate a gear grooved by travelling gear 33
Angle, realize volume adjustment.Also, when motor 31 stops, the distalmost end of eccentric wheel 32 and the gear grooved of gear 33 point
From, thus will not opponent move adjust volume produce it is unfavorable hinder influence.
With reference to shown in Fig. 5, control board includes at least：Controller with control program, connects the communication of controller
Module, motor drive circuit, amplifying circuit, upgrade interface circuit and output interface circuit.Controller is usually real by microcontroller
Existing, communication module can be bluetooth module, infrared module, wireless network module, radio-frequency communication module etc..
Amplifying circuit is connected to from 19 extraction wire of binding post of connection volume control circuit, the electricity exported from binding post 19
Position device outputs level signals（Signal volume）After amplifying circuit enhanced processing, by controller one of data port into
Row sampling, obtains the real-time amplitude of potentiometer outputs level signals.The sampled voltage of above-mentioned sampling resistor output is also sent to control
One of data port of device, so that controller obtains potentiometer current gear or current volume size.Controller simulation one
A reaction potential device volume, the gauge outfit interface of real-time signal volume amplitude, and shown by output interface circuit with exterior
Device is connected, so as to show gauge outfit interface over the display, and the current volume of potentiometer is shown on gauge outfit interface
With real-time signal volume amplitude.
In addition, control board is by communication module volume of reception adjustment control signal, by motor drive circuit according to sound
Amount adjustment control signal produces motor drive signal control stepper motor 31 and rotates accordingly.Such as volume adjustment control signal
Be by volume from 70% be reduced to 50% when, if the gear grooved quantity of travelling gear 33 is 50, motor drive circuit control stepping
Motor 31 rotates counterclockwise 10 times, and the angle of 10 gear grooveds is rotated counterclockwise by the fluctuation travelling gear 33 of eccentric wheel 32；Instead
It, if volume adjustment control signal be by volume from 20% increase to 50% when, motor drive circuit control stepper motor 31
Rotate clockwise 15 times, it is easy to operate and stable and reliable in work.
Furthermore controller can also configure upgrade interface circuit, such as jtag interface, connect by communication module from host computer
The upgrading data packet for receiving control program carries out self upgrading, realizes that bar is realized in the offers such as Function Extension, function upgrading for potentiometer
Part.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (5)
- A kind of 1. step-by-step movement volume potentiometer, including at least main shaft (17), several insulated substrates being set on main shaft (17) (13), it is located therein the volume control circuit on polylith insulated substrate (13), end is used to adjust manually on main shaft (17) The adjustment gear (18) of volume, it is characterised in that further include：It is fixed on the travelling gear (33) of main shaft (17) lower end, the biography The gear grooved quantity of moving gear (33) is identical with the gear grooved quantity of adjustment gear (18)；Stepper motor with eccentric wheel (32) (31), rotated by stepper motor (31) band movable eccentric wheel (32), eccentric wheel (32) is touched during a circumference is rotated Contact travelling gear (33) and then make the corresponding angle for rotating a gear grooved of travelling gear (33), and when stepper motor (31) stops Eccentric wheel (32) is set to be separated with travelling gear (33) when only working；For volume of reception adjustment control signal to control stepping horse Up to the control board of (31) operating.
- 2. step-by-step movement volume potentiometer according to claim 1, it is characterised in that further include what is be connected with adjustment gear (18) Rotary torsion adjustable structure, the rotary torsion adjustable structure include：Ball (21), producing elastic force makes ball (21) be close to adjusting The compression spring (22) of gear (18) one of gear grooved, an end of the compression spring (22) connects ball (21) and another end connects Adjusting screw (23).
- 3. step-by-step movement volume potentiometer according to claim 1, it is characterised in that set wherein on an insulated substrate (13) Have there is no the sample circuit (15) being electrically connected between volume control circuit, and sample circuit (15) is by several identical resistances The sampling resistor concatenation of value forms.
- 4. step-by-step movement volume potentiometer according to claim 1, it is characterised in that control board includes controller, connection Communication module, motor drive circuit, amplifying circuit, upgrade interface circuit and the output interface circuit of controller；And volume adjustment The signal volume output terminal of circuit is connected to amplifying circuit by conducting wire, which is connected to one of number of controller According to port.
- 5. step-by-step movement volume potentiometer according to claim 4, it is characterised in that communication module is bluetooth module, infrared ray Module, wireless network module or radio-frequency communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720662189.XU CN207269264U (en) | 2017-06-08 | 2017-06-08 | Step-by-step movement volume potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720662189.XU CN207269264U (en) | 2017-06-08 | 2017-06-08 | Step-by-step movement volume potentiometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207269264U true CN207269264U (en) | 2018-04-24 |
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ID=61959678
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720662189.XU Active CN207269264U (en) | 2017-06-08 | 2017-06-08 | Step-by-step movement volume potentiometer |
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| CN (1) | CN207269264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107182004A (en) * | 2017-06-08 | 2017-09-19 | 深圳市百瑞科科技有限公司 | The method that volume adjusting is realized in step-by-step movement volume potentiometer and remote control |
-
2017
- 2017-06-08 CN CN201720662189.XU patent/CN207269264U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107182004A (en) * | 2017-06-08 | 2017-09-19 | 深圳市百瑞科科技有限公司 | The method that volume adjusting is realized in step-by-step movement volume potentiometer and remote control |
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