CN108091319A - A kind of playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable agingtable and its aging method - Google Patents
A kind of playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable agingtable and its aging method Download PDFInfo
- Publication number
- CN108091319A CN108091319A CN201810033781.2A CN201810033781A CN108091319A CN 108091319 A CN108091319 A CN 108091319A CN 201810033781 A CN201810033781 A CN 201810033781A CN 108091319 A CN108091319 A CN 108091319A
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- China
- Prior art keywords
- musical instrument
- seal box
- stringed musical
- adjustable
- playing type
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- 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.)
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Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10G—REPRESENTATION OF MUSIC; RECORDING MUSIC IN NOTATION FORM; ACCESSORIES FOR MUSIC OR MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR, e.g. SUPPORTS
- G10G7/00—Other auxiliary devices or accessories, e.g. conductors' batons or separate holders for resin or strings
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Stringed Musical Instruments (AREA)
Abstract
The invention discloses a kind of playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable agingtable and its aging methods,Including workbench,The bottom of the workbench is equipped with supporting table,Seal box is symmetrically installed at the top of the supporting table,The inner roof wall of the seal box is equipped with constant warm tube,The upper inside wall of seal box is equipped with quartz burner,The crown center position of the support plate is equipped with bearing groove,Bearing is fixed in bearing groove,Rotational Cylindrical is fixed in the inner ring of bearing,The upper end of Rotational Cylindrical is fixed with rotating disc,Clamping device is installed at the top of the rotating disc,Playing type stringed musical instrument is clamped on clamping device,The inner wall lower of seal box is equipped with humidifier,The side surface upper part of seal box is equipped with aspiration pump,The pumping end of aspiration pump is equipped with air intake duct,One end of air intake duct extends to the inside of seal box,The upper inside wall of seal box is equipped with audio resonance case.Present invention cooperation temperature and vibration, so as to aging effect more preferably.
Description
Technical field
The present invention relates to plucked instrument processing technique field more particularly to a kind of playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable are old
Change platform and its aging method.
Background technology
Plucked instrument it is with a long history, species shape is various, is a kind of stringed musical instrument for being rich in characteristic.Before 3,000 years
Zhou Dynasty just has " qin ", the musical instruments such as " plucked instrument ", building when then generating or have input successively the weekend Warring states, zither, the string of Qin Dynasty
Fermented soya beans, salted or other wise, an ancient plucked stringed instrument of Han dynasty, Ruan, the Chinese lute of Tang of Sui, the trichord of the Yuan Dynasty, the dulcimer etc. of the Ming Dynasty.Plucked instrument is divided to horizontal type and vertical two
Class.Horizontal type, such as:Zither (Chinese zither and inflexion zither), seven-stringed plucked instrument in some ways similar to the zither, dulcimer and monochord etc.;It is vertical, such as:Chinese lute, Ruan, yu-kin, trichord, willow
Qin, plucked stringed instrument and wooden Nie of bundle etc..Wide rear narrow wherein before seven-stringed plucked instrument in some ways similar to the zither, symbol precedence is not.Five string symbol monarchs of five notes,
Five kinds of minister, the people, thing, object Social Grading.Later increased six, the seven strings are known as text, the conjunction grace of military two strings symbol the monarch and his subjects.12
Emblem signifies December respectively, and leap month the emblem of maximum placed in the middle represents monarch and signifies.Seven-stringed plucked instrument in some ways similar to the zither has overtone, by three kinds of tone colors of sound and scattered sound,
Signify the sum of Heaven, Earth and Man conjunction respectively.The symbolic meaning of these seven-stringed plucked instrument in some ways similar to the zither shapes name reflects the happy thought of the gift of the Confucian school and China in fact
People is paid attention to and conjunction property.Because the effect of gift is to ensure individual, played individual character, it is happy with and, effect is
With humorous association of group.Gift pleasure simultaneously and with that can make to adjust mutually between individual and group, formed gentle and close between men
The life of reason.The implementation of the opposite skill in this two sets of surfaces so gift is found pleasure in actually is asked and achievees the purpose that complementary and conjunction property.
And from seven-stringed plucked instrument in some ways similar to the zither shape borrowed civil order, the title of grade is named to write, it is seen that it is the ethics that humanizes of residing that it, which makes shape,
Profound meaning.
Over time, oscillatory type stringed musical instrument caused by performance generates the variation of matter, in industry has " century-old without good
The saying of qin ", it is impossible to reach this effect in a short time.
For this purpose, the present invention proposes a kind of playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable agingtable and its aging method.
The content of the invention
The purpose of the present invention is to solve shortcoming in the prior art, and a kind of playing type stringed musical instrument proposed is permanent
Warm frequency-adjustable speed-adjustable agingtable and its aging method.
To achieve these goals, present invention employs following technical solutions:
A kind of playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable agingtable, including workbench, the bottom of the workbench is equipped with support
Platform, is symmetrically installed with seal box at the top of the supporting table, and the inner roof wall of the seal box is equipped with constant warm tube, seal box it is interior
Wall top is equipped with quartz burner, and supporting rod, four supports are respectively and fixedly provided at four angles in inner bottom wall top of the seal box
Spring is socketed on bar, support plate is placed at the top of four supporting rods, and the upper end of supporting rod extends to the upper of support plate
Side, is threaded with clamping screw on the supporting rod above support plate, and the crown center position of the support plate is equipped with axis
Slot is held, bearing is fixed in bearing groove, Rotational Cylindrical is fixed in the inner ring of bearing, the upper end of Rotational Cylindrical is fixed with rotating disc, institute
It states and clamping device is installed at the top of rotating disc, playing type stringed musical instrument, the inner wall lower peace of seal box are clamped on clamping device
Equipped with humidifier, the side surface upper part of seal box is equipped with aspiration pump, and the pumping end of aspiration pump is equipped with air intake duct, air intake duct
One end extends to the inside of seal box, and the upper inside wall of seal box is equipped with audio resonance case.
Preferably, the bottom centre position of the support plate is equipped with motor cabinet, and the first driving electricity is equipped in motor cabinet
Machine, the output shaft of the first driving motor are fixed on the bottom of Rotational Cylindrical.
Preferably, environment monitoring sensor is installed, environment monitoring sensor includes temperature sensing in the seal box
Device, humidity sensor and baroceptor.
Preferably, controller, resonance speaker, governing system, frequency modulation system and speed governing system are equipped in the audio resonance case
System, controller are connected respectively with resonance speaker, governing system, frequency modulation system and governing system.
Preferably, the side surface upper part of the seal box is hinged with hermatic door, and the side of hermatic door is equipped with handle, hermatic door
Side be equipped with observation window.
Preferably, control valve is installed on the pipe of the air intake duct.
Preferably, the clamping device includes mounting cylinder, and horizontally disposed threaded rod is equipped in mounting cylinder, threaded rod
Both sides are arranged with external screw thread, and two external screw thread directions are on the contrary, one end of threaded rod extends to the outside of mounting cylinder and fixation
On the output shaft of the second driving motor, the symmetrical screw thread in both sides of threaded rod is socketed with sliding sleeve, is fixed at the top of sliding sleeve
Clamping bar, and playing type stringed musical instrument is located between two clamping bars.
Playing type stringed musical instrument is placed on two folders by a kind of aging method of playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable agingtable
Between bar, the second driving motor is then opened, so that two clamping bars are close to each other, so as to by playing type stringed musical instrument fixed clamp
Firmly, the first driving motor is then opened, drives turn disc, humidifier cooperation humidity sensor ensures wet in seal box
Degree, by the design of spring, when audio resonance case is run, coordinates spring, improves vibrating effect, aspiration pump in stable state
Ensure to be under state for negative pressure state, playing type stringed musical instrument in seal box, coordinate temperature and vibration, so as to aging effect more
It is good.
Compared with prior art, the beneficial effects of the invention are as follows:Between playing type stringed musical instrument is placed on two clamping bars, then
The second driving motor is opened, so that two clamping bars are close to each other, so as to which playing type stringed musical instrument geometrical clamp be handled, is then opened
First driving motor, drives turn disc, and humidifier cooperation humidity sensor ensures that the humidity in seal box is in and stablizes shape
State by the design of spring, when audio resonance case is run, coordinates spring, improves vibrating effect, and aspiration pump ensures in seal box
For negative pressure state, playing type stringed musical instrument is under state, coordinates temperature and vibration, so as to aging effect more preferably.
Description of the drawings
Fig. 1 is a kind of structure diagram of playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable agingtable proposed by the present invention;
Fig. 2 is a kind of front view of playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable agingtable proposed by the present invention;
Fig. 3 is the partial enlarged view of part A in Fig. 1.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
With reference to Fig. 1-3, a kind of playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable agingtable, including workbench 1, the bottom of workbench 1
Portion is equipped with supporting table 2, and the top of supporting table 2 is symmetrically installed with seal box 3, and the inner roof wall of seal box 3 is equipped with constant warm tube 6,
The upper inside wall of seal box 3 is equipped with quartz burner 5, and supporting rod is respectively and fixedly provided at four angles in inner bottom wall top of seal box 3
13, it is socketed with spring 14 on four supporting rods 13, the tops of four supporting rods 13 is placed with support plate 15, and supporting rod 13
Upper end extends to the top of support plate 15, and clamping screw 16 is threaded on the supporting rod 13 above support plate 15, branch
The crown center position of fagging 15 is equipped with bearing groove, is fixed with bearing 12 in bearing groove, rotation is fixed in the inner ring of bearing 12
Column 11, the upper end of Rotational Cylindrical 11 are fixed with rotating disc 17, and the top of rotating disc 17 is equipped with clamping device, is clamped on clamping device
There is playing type stringed musical instrument, the inner wall lower of seal box 3 is equipped with humidifier 8, and the side surface upper part of seal box 3 is equipped with aspiration pump
10, the pumping end of aspiration pump 10 is equipped with air intake duct 7, and one end of air intake duct 7 extends to the inside of seal box 3, seal box 3 it is interior
Wall top is equipped with audio resonance case 4.
In the present invention, the bottom centre position of support plate 15 is equipped with motor cabinet, and the first driving electricity is equipped in motor cabinet
Machine 22, the output shaft of the first driving motor 22 are fixed on the bottom of Rotational Cylindrical 11, and environmental monitoring sensing is equipped in seal box 3
Device, environment monitoring sensor include temperature sensor, humidity sensor and baroceptor, control are equipped in audio resonance case 4
Device, resonance speaker, governing system, frequency modulation system and governing system, controller respectively with resonance speaker, governing system, frequency modulation system
System is connected with governing system, and the side surface upper part of seal box 3 is hinged with hermatic door 9, and the side of hermatic door 9 is equipped with handle, sealing
The side of door 9 is equipped with observation window, and control valve is equipped on the pipe of air intake duct 7, and clamping device includes mounting cylinder 18, mounting cylinder 18
In horizontally disposed threaded rod 19 is installed, the both sides of threaded rod 19 are arranged with external screw thread, and two external screw thread directions on the contrary,
One end of threaded rod 19 extends to the outside of mounting cylinder 18 and is fixed on the output shaft of the second driving motor, and the two of threaded rod 19
The symmetrical screw thread in side is socketed with sliding sleeve 20, and the top of sliding sleeve 20 is fixed with clamping bar 21, and playing type stringed musical instrument is located at two folders
Between bar 21.
In the present invention, a kind of aging method of playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable agingtable, by playing type stringed musical instrument
It is placed between two clamping bars 21, then opens the second driving motor, so that two clamping bars 21 are close to each other, so as to by playing type
Stringed musical instrument geometrical clamp handles, and then opens the first driving motor 22, and rotating disc 17 is driven to rotate, and humidifier 8 coordinates humidity sensor
Device ensures that the humidity in seal box 3 is in stable state, passes through the design of spring 13, when audio resonance case 4 is run, cooperation
Spring 13, improves vibrating effect, and aspiration pump 10 ensures to be under state, match somebody with somebody for negative pressure state, playing type stringed musical instrument in seal box 3
Temperature and vibration are closed, so as to aging effect more preferably.
In the use of the present invention, between playing type stringed musical instrument is placed on two clamping bars 21, the second driving motor is then opened,
So that two clamping bars 21 are close to each other, so as to which playing type stringed musical instrument geometrical clamp be handled, the first driving motor 22 is then opened,
Rotating disc 17 is driven to rotate, humidifier 8 coordinates humidity sensor, ensures that the humidity in seal box 3 is in stable state, passes through bullet
The design of spring 13 when audio resonance case 4 is run, coordinates spring 13, improves vibrating effect, and aspiration pump 10 ensures in seal box 3
For negative pressure state, playing type stringed musical instrument is under state, coordinates temperature and vibration, so as to aging effect more preferably.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable agingtable, including workbench(1), which is characterized in that the workbench
(1)Bottom supporting table is installed(2), the supporting table(2)Top be symmetrically installed with seal box(3), the seal box(3)
Inner roof wall constant warm tube is installed(6), seal box(3)Upper inside wall quartz burner is installed(5), the seal box(3)
Inner bottom wall at the top of be respectively and fixedly provided with supporting rod at four angles(13), four supporting rods(13)On be socketed with spring(14), four
Supporting rod(13)Top be placed with support plate(15), and supporting rod(13)Upper end extend to support plate(15)Top, position
In support plate(15)The supporting rod of top(13)On be threaded with clamping screw(16), the support plate(15)Crown center
Position is equipped with bearing groove, and bearing is fixed in bearing groove(12), bearing(12)Inner ring in be fixed with Rotational Cylindrical(11), Rotational Cylindrical
(11)Upper end be fixed with rotating disc(17), the rotating disc(17)Top clamping device is installed, clamped on clamping device
There are playing type stringed musical instrument, seal box(3)Inner wall lower humidifier is installed(8), seal box(3)Side surface upper part be equipped with
Aspiration pump(10), aspiration pump(10)Pumping end air intake duct is installed(7), air intake duct(7)One end extend to seal box(3)'s
Inside, seal box(3)Upper inside wall audio resonance case is installed(4).
A kind of 2. playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable agingtable according to claim 1, which is characterized in that the branch
Fagging(15)Bottom centre position motor cabinet is installed, the first driving motor is installed in motor cabinet(22), the first driving electricity
Machine(22)Output shaft be fixed on Rotational Cylindrical(11)Bottom.
3. a kind of playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable agingtable according to claim 1, which is characterized in that described close
Joint sealing(3)In environment monitoring sensor is installed, environment monitoring sensor includes temperature sensor, humidity sensor and air pressure
Sensor.
A kind of 4. playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable agingtable according to claim 1, which is characterized in that the sound
Frequency resonance box(4)It is interior be equipped with controller, resonance speaker, governing system, frequency modulation system and governing system, controller respectively with resonance
Sound equipment, governing system, frequency modulation system are connected with governing system.
5. a kind of playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable agingtable according to claim 1, which is characterized in that described close
Joint sealing(3)Side surface upper part be hinged with hermatic door(9), hermatic door(9)Side handle, hermatic door are installed(9)Side set
There is observation window.
A kind of 6. playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable agingtable according to claim 1, which is characterized in that the suction
Tracheae(7)Pipe on control valve is installed.
A kind of 7. playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable agingtable according to claim 1, which is characterized in that the folder
Holding device includes mounting cylinder(18), mounting cylinder(18)In horizontally disposed threaded rod is installed(19), threaded rod(19)Both sides
External screw thread is arranged with, and two external screw thread directions are on the contrary, threaded rod(19)One end extend to mounting cylinder(18)Outside simultaneously
It is fixed on the output shaft of the second driving motor, threaded rod(19)The symmetrical screw thread in both sides be socketed with sliding sleeve(20), sliding sleeve
(20)Top be fixed with clamping bar(21), and playing type stringed musical instrument is located at two clamping bars(21)Between.
8. a kind of aging method of playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable agingtable, which is characterized in that by playing type stringed musical instrument
It is placed on two clamping bars(21)Between, the second driving motor is then opened, so that two clamping bars(21)It is close to each other, so as to by bullet
It dials formula stringed musical instrument geometrical clamp to handle, then opens the first driving motor(22), drive rotating disc(17)It rotates, humidifier(8)Match somebody with somebody
Humidity sensor is closed, ensures seal box(3)Interior humidity is in stable state, passes through spring(13)Design, work as audio resonance
Case(4)During operation, coordinate spring(13), vibrating effect is improved, aspiration pump 10 ensures seal box(3)Interior is negative pressure state, is played
Formula stringed musical instrument is under state, coordinates temperature and vibration, so as to aging effect more preferably.
Priority Applications (1)
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CN201810033781.2A CN108091319A (en) | 2018-01-15 | 2018-01-15 | A kind of playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable agingtable and its aging method |
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CN201810033781.2A CN108091319A (en) | 2018-01-15 | 2018-01-15 | A kind of playing type stringed musical instrument constant temperature frequency-adjustable speed-adjustable agingtable and its aging method |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1836089A (en) * | 1928-09-04 | 1931-12-15 | Edmund O Schweitzer | Method of treating acoustical members and the article produced thereby |
US4632003A (en) * | 1985-07-15 | 1986-12-30 | Kopp William L | Musical instrument sound quality enhancement device |
CN1670812A (en) * | 2004-03-17 | 2005-09-21 | 雅马哈株式会社 | Keybord musical instrument and method for securing balancers to keys |
CN1920943A (en) * | 2005-08-23 | 2007-02-28 | 雅马哈株式会社 | Component of musical instrument, musical instrument and production method of the same |
CN103017299A (en) * | 2013-01-10 | 2013-04-03 | 中国石油大学(华东) | Domestic intelligent temperature and humidity controller |
CN105163228A (en) * | 2015-08-01 | 2015-12-16 | 泰兴琴艺乐器有限公司 | Plucked stringed instrument constant-temperature, frequency-modulated and speed-regulated aging table and aging method thereof |
JP2016133720A (en) * | 2015-01-21 | 2016-07-25 | ヤマハ株式会社 | Mute of cymbals |
-
2018
- 2018-01-15 CN CN201810033781.2A patent/CN108091319A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1836089A (en) * | 1928-09-04 | 1931-12-15 | Edmund O Schweitzer | Method of treating acoustical members and the article produced thereby |
US4632003A (en) * | 1985-07-15 | 1986-12-30 | Kopp William L | Musical instrument sound quality enhancement device |
CN1670812A (en) * | 2004-03-17 | 2005-09-21 | 雅马哈株式会社 | Keybord musical instrument and method for securing balancers to keys |
CN1920943A (en) * | 2005-08-23 | 2007-02-28 | 雅马哈株式会社 | Component of musical instrument, musical instrument and production method of the same |
CN103017299A (en) * | 2013-01-10 | 2013-04-03 | 中国石油大学(华东) | Domestic intelligent temperature and humidity controller |
JP2016133720A (en) * | 2015-01-21 | 2016-07-25 | ヤマハ株式会社 | Mute of cymbals |
CN105163228A (en) * | 2015-08-01 | 2015-12-16 | 泰兴琴艺乐器有限公司 | Plucked stringed instrument constant-temperature, frequency-modulated and speed-regulated aging table and aging method thereof |
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