CN106597000B - A kind of vinyl record turntable tachymeter - Google Patents
A kind of vinyl record turntable tachymeter Download PDFInfo
- Publication number
- CN106597000B CN106597000B CN201611009943.6A CN201611009943A CN106597000B CN 106597000 B CN106597000 B CN 106597000B CN 201611009943 A CN201611009943 A CN 201611009943A CN 106597000 B CN106597000 B CN 106597000B
- Authority
- CN
- China
- Prior art keywords
- fixed bin
- display
- vinyl record
- velometer
- processing module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 title claims abstract description 34
- 229920002554 vinyl polymer Polymers 0.000 title claims abstract description 34
- 238000012545 processing Methods 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052744 lithium Inorganic materials 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000006173 Good's buffer Substances 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention discloses a kind of vinyl record turntable tachymeters, including the code-disc being used to attach on vinyl record, fixed bin and infrared shooting device fixed with fixed bin respectively, display and processing module, infrared shooting device with code-disc for matching to measure the revolving speed of vinyl record machine and rotary speed information is transferred to processing module and handle, by treated, rotary speed information is transferred on display the processing module, the display is for showing rotary speed information, the present invention accurately calculates the revolving speed of vinyl record turntable using infrared emission sensing technology, greatly reduce error caused by traditional human eye distinguishes, the present invention is made of cheap material or instrument, low manufacture cost, with certain marketing benefit.
Description
Technical field
The present invention relates to a kind of vinyl record turntable tachymeters.
Background technique
Vinyl record is the carrier for being used to store voice signal in human history earliest, right in the specification of vinyl record
Sound quality influences maximum to be revolving speed, at the initial stage of disc development, the production of pickup and disc rag technology be not also it is very flourishing, only
Have and increases track to improve revolving speed and guarantee the frequency response of disc.Vinyl record revolving speed is set to 78 turns per minute, this is at that time
One standard, due to 78 turns of high revolving speed, can record length it is very limited.Later with the rapid development of science and technology, the system of pickup
Make and disc rag technology is continuously improved, there are also 45 and 16 in addition to occurring 33 but also 1/3rd turns after 78 turns in succession not only for vinyl record
2/3 turn again, this not only makes the record time of vinyl record elongated, also sound quality is made to be greatly improved.Once vinyl record machine
Revolving speed and vinyl record cause diversified in specifications, it will cause the music played back bad on time and sound quality, so
Revolving speed is very important for vinyl record, and traditional testing the speed all is to carry out rough distinguish by human eye with tachometer disc
Not, there is very big errors for such discrimination results.
Summary of the invention
In order to solve the above technical problems, the object of the present invention is to provide a kind of vinyl record turntable tachymeters.
The technical solution adopted by the present invention is that: a kind of vinyl record turntable tachymeter, including it is used to attach to vinyl record
On code-disc, fixed bin and infrared shooting device, display and processing module fixed with fixed bin respectively, infrared emission dress
It sets and is handled for being matched with code-disc with measuring the revolving speed of vinyl record machine and rotary speed information being transferred to processing module, it should
By treated, rotary speed information is transferred on display processing module, and the display is for showing rotary speed information.
In the technical program, code-disc includes the shaft of inner hollow and is set in shaft lateral wall and between shaft longitudinal direction
Every the roundel and big disk of arrangement, which is arranged on the roundel for that can be attached to disc machine when testing the speed
Have multiple along the radial groove of roundel radial distribution, infrared shooting device includes infrared light supply and infrared light-receiving
Device, the infrared light supply and infrared light receiver respectively and are oppositely disposed at the two sides of groove.
In the technical program, fixed bin includes that velometer fixed bin and display fixed bin, code-disc can be rotatably set
Inside velometer fixed bin, infrared shooting device is fixed on the inner sidewall of velometer fixed bin, outside the velometer fixed bin
Transfer tube is connected on side wall, which connects display fixed bin, display setting far from one end of velometer fixed bin
At the top of display fixed bin, processing module is arranged inside display fixed bin, transmission line is provided in transfer tube, the transmission
One end of line connects infrared shooting device, and the other end of transmission line connects processing module, also sets up inside the display fixed bin
There is the power supply of driving processing module work.
In the technical program, being provided on the lateral wall of velometer fixed bin can pull out or promote inside velometer fixed bin
Code-disc plug, which is filled in seam between roundel and infrared shooting device when promoting inside velometer fixed bin
At gap.
In the technical program, great circle disk diameter is 56mm, and roundlet disk diameter is 36mm.
In the technical program, the number of groove is set as 4 or 4 or more, and the width of groove is 1mm.
In the technical program, which includes single-chip microcontroller and the first optocoupler IC connecting with single-chip microcontroller and the second optocoupler
IC。
In the technical program, power supply is set as rechargeable type lithium battery, which is electrically connected with charge and discharge fulgurite
Manage IC.
Beneficial effects of the present invention: the design provides a kind of high reliablity, a kind of sensitive vinyl record turntable is surveyed
Fast instrument accurately calculates the revolving speed of vinyl record turntable using infrared emission sensing technology, greatly reduces traditional human eye and distinguishes
Caused error, the present invention are made of cheap material or instrument, low manufacture cost,
With certain marketing benefit.
Detailed description of the invention
A specific embodiment of the invention is described further with reference to the accompanying drawing.
Fig. 1 is a kind of structural schematic diagram of vinyl record turntable tachymeter of the present invention；
Fig. 2 is a kind of structure principle chart of vinyl record turntable tachymeter of the present invention；
Fig. 3 is a kind of partial schematic diagram of vinyl record turntable tachymeter of the present invention.
Specific embodiment
As shown in Figure 1-Figure 3, a kind of vinyl record turntable tachymeter, including be used to attach on vinyl record code-disc 1,
Fixed bin 2 and infrared shooting device 3, display 4 and processing module fixed with fixed bin 2 respectively, infrared shooting device 3 are used
In being matched with code-disc 1 to measure the revolving speed of vinyl record machine and rotary speed information is transferred to processing module and handle, at this
Managing module, rotary speed information is transferred to 4 on display by treated, and the display 4 is for showing rotary speed information.
Preferably, the shaft 10 of code-disc 1 including inner hollow and it is set in 10 lateral wall of shaft and longitudinal along shaft 10
The roundel 11 and big disk 12 being intervally arranged, the big disk 12 is for that can be attached to disc machine when testing the speed, the roundlet
It is provided on disk 11 multiple along the radial groove 13 of 11 radial distribution of roundel, it is preferred that 12 diameter of big disk is
56mm, 10 diameter of roundel are 36mm, and the number of groove 13 is set as 4 or 4 or more, and 13 numbers of groove are more, measurement
Error is smaller, and the width of groove 13 is 1mm.Infrared shooting device 3 includes infrared light supply 30 and infrared light receiver 31, this is infrared
Light source 30 and infrared light receiver 31 respectively and are oppositely disposed at the two sides of groove 13, and two infrared shooting devices 3 are symmetrically
The two sides of code-disc 1 are set, the accuracy for improving measurement revolving speed is conducive to.Simultaneously the processing module include single-chip microcontroller 7 and with list
The the first optocoupler IC8 and the second optocoupler IC9 that piece machine 7 connects.
The working principle of the invention is: for the present invention by being detected with infrared shooting device 3 to code-disc 1, single-chip microcontroller 7 is defeated
Control external circuits open and close through the first optocoupler IC8 out, when open detection, 3 signals detected of infrared shooting device
It is conveyed to single-chip microcontroller 7, by being programmed to single-chip microcontroller 7, the signal got is interrupted by the capture of single-chip microcontroller 7 and is counted
Number, thus by being calculated by accurately revolving speed, then the revolving speed obtained is transported in display 4 by the second optocoupler IC9, from
And the revolving speed tested is shown on display 4.First optocoupler IC8 and the second optocoupler IC9 model are set as AQY212S,
AQY212 optocoupler is consisted of three parts using light as media transmission electric signal: the transmitting of light, the reception of light and signal amplification,
There is good buffer action to the electric signal of input, output when AQY212 optocoupler works, therefore is widely used, 7 type of single-chip microcontroller
It number is set as STM32F103C8T6, display 4 uses 1602 LCD MODULEs, and 1602 LCD MODULEs are used exclusively for
Show the dot matrix type LCD MODULE of letter, digital element, symbol etc., point 4 and 8 data transfer modes, provide at 5 × 7 points
The display pattern of battle array plus vernier provides display data buffer zone DDRAM, character generator CGROM and character generator CGRAM,
CGRAM can be used to store the character pattern data of the graphic character of most 85 × 8 dot matrix of oneself definition, provide abundant
Instruction setting, including vernier Aligning control, display switch, vernier switch, display character blinking, vernier displacement, display displacement member, also
There is provided internal automatic power-on reset circuit can also carry out initialization behaviour to module automatically when additional power source voltage is more than 4.5V
Make, sets module to the display working condition of default.
Further, fixed bin 2 includes velometer fixed bin 21 and display fixed bin 22, and code-disc 10 can be rotatably set
Inside velometer fixed bin 21, infrared shooting device 3 is fixed on the inner sidewall of velometer fixed bin 21, which fixes
It is connected with transfer tube 5 on 21 lateral wall of box, which connects display fixed bin far from one end of velometer fixed bin 21
22, the setting of display 4 is at 22 top of display fixed bin, and processing module is arranged inside display fixed bin 22, in transfer tube 5
It is provided with transmission line, one end of the transmission line connects infrared shooting device 3, and the other end of transmission line connects processing module, this is aobvious
Show that the power supply that driving processing module work is additionally provided with inside device fixed bin 22, the power supply are set as rechargeable type lithium battery 18, it should
Rechargeable type lithium battery 18 is electrically connected with management of charging and discharging IC19.Management of charging and discharging IC19 model is set as TP4057, is a
Using constant current or the single-cell lithium-ion battery charger of constant voltage algorithm, it be capable of providing 500mA charging current and
One internal P-channel power MOSFET and thermal conditioning circuit, are not necessarily to isolating diode or foreign current detection resistance device, very square
Just practical.
It advanced optimizes, being provided on the lateral wall of velometer fixed bin 21 can pull out or promote in velometer fixed bin 21
The code-disc plug 6 in portion, the code-disc plug 6 are filled in roundel 11 and infrared shooting device when promoting 21 inside of velometer fixed bin
At gap between 3, code-disc plug 6, which is used to fix code-disc 1, does not allow code-disc 1 to fall due to lacking support when not in use, keeps away
Exempt from that infrared light receiver 31 is caused to damage.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to above embodiment, as long as with
Essentially identical means realize that the technical solution of the object of the invention belongs within protection scope of the present invention.
Claims (5)
1. a kind of vinyl record turntable tachymeter, it is characterised in that: including the code-disc (1), solid being used to attach on vinyl record
Determine box (2) and infrared shooting device (3), display (4) and processing module fixed with fixed bin (2) respectively, it is described infrared
Injection device (3) are used to match with code-disc (1) to measure the revolving speed of vinyl record machine and rotary speed information is transferred to processing mould
Block is handled, and by treated, rotary speed information is transferred on display (4) processing module, and the display (4) is for showing
Show rotary speed information, which includes the shaft (10) of inner hollow and be set in shaft (10) lateral wall and along shaft
(10) roundel (11) and big disk (12) of longitudinal gap arrangement, the big disk (12) are sung for that can be attached to when testing the speed
On piece machine, be provided on the roundel (11) it is multiple along the radial groove of roundel (11) radial distribution (13), it is described
Infrared shooting device (3) includes infrared light supply (30) and infrared light receiver (31), the infrared light supply (30) and infrared light-receiving
Device (31) respectively and is oppositely disposed at the two sides of groove (13), the fixed bin (2) include velometer fixed bin (21) and
Display fixed bin (22), code-disc (1) are rotatably arranged in velometer fixed bin (21) inside, and infrared shooting device (3) is solid
It is scheduled on the inner sidewall of velometer fixed bin (21), is connected with transfer tube (5), the biography on velometer fixed bin (21) lateral wall
Defeated pipe (5) connects display fixed bin (22) far from the one end of velometer fixed bin (21), and display (4) setting is solid in display
Determine at the top of box (22), processing module setting is internal in display fixed bin (22), is provided with transmission line in transfer tube (5), the biography
One end of defeated line connects infrared shooting device (3), and the other end of transmission line connects processing module, and the display fixed bin (22) is interior
Portion is additionally provided with the power supply of driving processing module work, be provided on the lateral wall of the velometer fixed bin (21) can pull out or
The code-disc plug (6) for promoting velometer fixed bin (21) internal, when which promotes velometer fixed bin (21) internal
It is filled at the gap between roundel (11) and infrared shooting device (3).
2. a kind of vinyl record turntable tachymeter according to claim 1, it is characterised in that: big disk (12) diameter
It is 56mm, roundel (11) diameter is 36mm.
3. a kind of vinyl record turntable tachymeter according to claim 1, it is characterised in that: the number of the groove (13)
4 or 4 or more are set as, the width of groove (13) is 1mm.
4. a kind of vinyl record turntable tachymeter according to claim 1, it is characterised in that: the processing module includes monolithic
Machine (7) and the first optocoupler IC (8) and the second optocoupler IC (9) being connect with single-chip microcontroller (7).
5. a kind of vinyl record turntable tachymeter according to claim 1, it is characterised in that: the power supply is set as to fill
Formula lithium battery (18), the rechargeable type lithium battery (18) are electrically connected with management of charging and discharging IC (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611009943.6A CN106597000B (en) | 2016-11-16 | 2016-11-16 | A kind of vinyl record turntable tachymeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611009943.6A CN106597000B (en) | 2016-11-16 | 2016-11-16 | A kind of vinyl record turntable tachymeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106597000A CN106597000A (en) | 2017-04-26 |
| CN106597000B true CN106597000B (en) | 2019-05-03 |
Family
ID=58590076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611009943.6A Expired - Fee Related CN106597000B (en) | 2016-11-16 | 2016-11-16 | A kind of vinyl record turntable tachymeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106597000B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810842B (en) * | 2022-06-28 | 2022-09-23 | 天津德沃尔智能科技有限公司 | Crossed bearing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0661543A1 (en) * | 1993-12-29 | 1995-07-05 | BOEHRINGER, Andreas, Prof. Dr.-Ing.habil. | Sensor system for determining at least one of the three parameters, angular acceleration, angular velocity or angular position of a rotating element |
| CN201692433U (en) * | 2010-06-25 | 2011-01-05 | 山西中医学院 | Intelligent transfusion dripping speed measuring meter |
| CN104634993A (en) * | 2015-02-10 | 2015-05-20 | 广州广电运通金融电子股份有限公司 | Motor rotating direction and rotating speed detection device and method |
| CN204517711U (en) * | 2015-01-26 | 2015-07-29 | 南京信息工程大学 | A kind of DC motor speed measurement and control system |
| CN205067516U (en) * | 2015-09-30 | 2016-03-02 | 成都川睿科技有限公司 | Engine system of testing speed |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4481137B2 (en) * | 2003-11-13 | 2010-06-16 | アスモ株式会社 | Motor, rotation control device, and rotation detection circuit |
-
2016
- 2016-11-16 CN CN201611009943.6A patent/CN106597000B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0661543A1 (en) * | 1993-12-29 | 1995-07-05 | BOEHRINGER, Andreas, Prof. Dr.-Ing.habil. | Sensor system for determining at least one of the three parameters, angular acceleration, angular velocity or angular position of a rotating element |
| CN201692433U (en) * | 2010-06-25 | 2011-01-05 | 山西中医学院 | Intelligent transfusion dripping speed measuring meter |
| CN204517711U (en) * | 2015-01-26 | 2015-07-29 | 南京信息工程大学 | A kind of DC motor speed measurement and control system |
| CN104634993A (en) * | 2015-02-10 | 2015-05-20 | 广州广电运通金融电子股份有限公司 | Motor rotating direction and rotating speed detection device and method |
| CN205067516U (en) * | 2015-09-30 | 2016-03-02 | 成都川睿科技有限公司 | Engine system of testing speed |
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| Publication number | Publication date |
|---|---|
| CN106597000A (en) | 2017-04-26 |
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Granted publication date: 20190503 Termination date: 20211116 |