CN108924696A - High-frequency orients sound equipment and its frequency maintains method - Google Patents
High-frequency orients sound equipment and its frequency maintains method Download PDFInfo
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- CN108924696A CN108924696A CN201810973623.5A CN201810973623A CN108924696A CN 108924696 A CN108924696 A CN 108924696A CN 201810973623 A CN201810973623 A CN 201810973623A CN 108924696 A CN108924696 A CN 108924696A
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- ultrasonic probe
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000000523 sample Substances 0.000 claims abstract description 83
- 239000002184 metal Substances 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
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- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
It include circuit board, ultrasonic probe and temperature-controlled package the invention discloses a kind of high-frequency orientation sound equipment, ultrasonic probe temperature can be reduced, be conducive to orient in the high-frequency range that reproducing probe is maintained at stable in high-frequency operation, so that the sound quality of sound equipment is more preferable.The invention also discloses a kind of methods of maintenance high-frequency orientation audio frequency, in this method, when real time temperature exceeds preset temperature range, advanced line frequency amendment, rather than directly radiate, reduce the power consumption of entire sound equipment, it is more energy efficient, and this method can be by the frequency more precise control of probe in a certain range, so that sound quality is more preferable.
Description
Technical field
The present invention relates to a kind of sound systems, and a kind of high-frequency orientation sound equipment is especially arranged and maintains high-frequency orientation sound equipment
The method of frequency.
Background technique
Frequency is higher greater than the ultrasonic wave directive property of 20kHz, and ultrasonic frequency more high directivity is better, therefore, existing
Orientation sound equipment in array ultrasonic probe can be all arranged, these ultrasonic probes issue ultrasonic wave superposition after can modulate
Common sound wave realizes the orientation transmitting of sound.
In existing orientation sound equipment, the frequency of ultrasonic probe is usually constant in 40kHz or so, although theoretically ultrasonic wave
Frequency is higher, and sound quality is better, but existing orientation sound equipment does not use the probe of higher frequency, this is because ultrasonic probe
After frequency is more than 40kHz, the frequency of ultrasonic probe can disorder (for example by the Frequency Design of ultrasonic probe be 70kHz, probe
Actual operating frequency will not be maintained at 70kHz, and can change), this will affect the audio frequency effect of entire orientation sound equipment.
Summary of the invention
In view of this, the main purpose of the present invention is to provide a kind of high-frequency orientation sound equipment and a kind of maintenance high frequency calibrations
It is more than the unstable problem of frequency after 40kHz to solve the frequency of existing orientation reproducing probe to the method for audio frequency.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of high-frequency orientation sound equipment, including：
Circuit board,
Ultrasonic probe, array are arranged on circuit boards, and the working frequency of the ultrasonic probe is greater than 40kHz；
And temperature-controlled package, for reducing the temperature of ultrasonic probe.
Further, the temperature-controlled package includes：
Temperature monitoring module, for acquiring the real time temperature of ultrasonic probe；
Comparator for judging whether the real time temperature of ultrasonic detector is more than preset temperature range, and judges super
Whether the real time temperature of acoustic detector is more than preset optimum temperature threshold value, and the comparator is connect with temperature monitoring module；
Radiating element, for adjusting the temperature of ultrasonic probe；
Controller, the controller are connect with comparator, radiating element and ultrasonic probe respectively, for according to comparator
The frequency of the result control ultrasonic probe of feedback and the start and stop of radiating element；
When the real time temperature of ultrasonic probe exceeds preset temperature range, then ultrasonic probe frequency is corrected；
When the real time temperature of ultrasonic probe is without departing from preset temperature range, if the real time temperature is more than preset
Optimum temperature threshold value then controls radiating element starting, if the real time temperature, if the real time temperature be less than it is preset best
Temperature threshold then controls radiating element and stops working or do not start.
Further, the temperature-controlled package includes metal heat-conducting piece, cooling fin and the wind for accelerating cooling fin to radiate
Fan, the metal heat-conducting piece are connect with ultrasonic probe, and the metal heat-conducting piece is connect with cooling fin.
Further, each ultrasonic probe includes head and tail portion, and tail portion uses thermal conductive metallic material, and the ultrasonic wave is visited
Circuit board is run through in the tail portion of head, so that its head is located at circuit board front, tail portion is located at the reverse side of circuit board, the metal heat-conducting
Part is arranged in circuit board reverse side, and the metal heat-conducting piece includes several straight sections being parallel to each other and several for connecting each straight section
Arc section is respectively provided with a straight section between the ultrasonic probe of adjacent two rows of or adjacent two column, often so that metal heat-conducting piece is S-shaped
Section straight section is contacted with the tail portion of the straight section two sides ultrasonic probe.
Further, the metal heat-conducting piece is copper pipe.
Further, connection, nothing between the controller and radiating element are wirelessly communicated between the controller and comparator
Line communication connection.
Further, the frequency range of the ultrasonic probe is 50~80kHz.
A kind of frequency maintenance method of high-frequency orientation sound equipment, includes the following steps：
Acquire the real time temperature of ultrasonic probe；
When the real time temperature of ultrasonic probe exceeds preset temperature range, ultrasonic probe frequency is corrected；
When the real time temperature of ultrasonic probe is without departing from preset temperature range, if the real time temperature is more than preset
Optimum temperature threshold value then controls radiating element starting, if the real time temperature is less than preset optimum temperature threshold value, controls
Radiating element stops working or does not start.
The present invention at least has following beneficial effect：
High-frequency orientation sound equipment of the invention and frequency maintain method, are conducive to orient reproducing probe in high-frequency operation
It is maintained in stable high-frequency range, so that the sound quality of sound equipment is more preferable.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the mounting structure schematic diagram of metal heat-conducting piece in Fig. 1；
Fig. 3 is the schematic diagram of temperature-controlled package in the present invention；
Fig. 4 is the flow chart that frequency of the invention maintains method.
Description of symbols in embodiment：Circuit board 1, ultrasonic probe 2, temperature-controlled package 3, radiating element 30, head
Portion 21, tail portion 22, cooling fin 303, metal heat-conducting piece 302, fan 301.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that in the absence of conflict, following embodiment and implementation
Feature in example can be combined with each other.
Referring to FIG. 1 to FIG. 4, it should be noted that diagram provided in following embodiment only illustrates in a schematic way
Basic conception of the invention, only shown in schema then with related component in the present invention rather than package count when according to actual implementation
Mesh, shape and size are drawn, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its
Assembly layout kenel may also be increasingly complex.
Refering to fig. 1, a kind of high-frequency orients sound equipment, including：
Circuit board 1,
Ultrasonic probe 2, array are arranged on the circuit card 1, and the working frequency of the ultrasonic probe 2 is greater than 40kHz；
And temperature-controlled package 3, for reducing the temperature of ultrasonic probe 2.
When the orientation sound equipment works, due to working frequency height, in order to obtain suitable sound decibel, then function must be increased
Rate increases calorific value then necessarily will increase power consumption, which can reduce the temperature of ultrasonic probe 2, reduces
The adverse effect that ultrasonic probe 2 heats up to working frequency.
In an alternative embodiment, referring to Fig. 3, which includes：
Temperature monitoring module, for acquiring the real time temperature of ultrasonic probe 2, which includes sensor；
Comparator for judging whether the real time temperature of ultrasonic detector is more than preset temperature range, and judges super
Whether the real time temperature of acoustic detector is more than preset optimum temperature threshold value, which connect with temperature monitoring module；
Radiating element 30, for adjusting the temperature of ultrasonic probe 2；
Controller, the controller are connect with comparator, radiating element 30 and ultrasonic probe 2 respectively, for according to comparing
The frequency of the result control ultrasonic probe 2 of device feedback and the start and stop of radiating element 30；
When the real time temperature of ultrasonic probe 2 exceeds preset temperature range, then 2 frequency of ultrasonic probe is corrected；
When the real time temperature of ultrasonic probe 2 is without departing from preset temperature range, if the real time temperature is more than default
Optimum temperature threshold value, then control radiating element 30 starting, if the real time temperature, if the real time temperature be less than it is preset
Optimum temperature threshold value then controls radiating element 30 and stops working or do not start.
, can be by the frequency more precise control of probe in a certain range using the sound equipment of this structure, and work as real
When Shi Wendu exceeds preset temperature range, advanced line frequency amendment, rather than directly radiate, reduce entire sound equipment
Power consumption, it is more energy efficient.
In the specific implementation process, referring to Fig. 3, be arranged between ultrasonic probe 2 and controller supersonic generator and
Modulator realizes adjusting of the controller to ultrasonic frequency.
In a preferred embodiment, which can be t1 ± 1 DEG C.It can be by ultrasonic probe 2
Frequency control in lesser fluctuation range.
In an alternative embodiment, referring to Fig. 1, the radiating element 30 in the temperature-controlled package 3 is led including metal
Warmware 302, cooling fin 303 and for accelerating 303 cooling fan 301 of cooling fin, the metal heat-conducting piece 302 and ultrasonic probe
2 connections, the metal heat-conducting piece 302 are connect with cooling fin 303.
In an alternative embodiment, referring to fig. 2, each ultrasonic probe 2 includes head 21 and tail portion 22, tail portion 22
Using thermal conductive metallic material, circuit board 1 is run through in the tail portion 22 of the ultrasonic probe 2, so that its head 21 is being located at circuit board 1 just
Face, tail portion 22 are located at the reverse side of circuit board 1, and the metal heat-conducting piece 302 setting is in 1 reverse side of circuit board, the metal heat-conducting piece 302 packet
Include several straight sections being parallel to each other and several for connecting the arc section of each straight section, so that metal heat-conducting piece 302 is S-shaped, it is adjacent
A straight section, every section of straight section and the straight section two sides ultrasonic probe 2 are respectively provided between the ultrasonic probe 2 of two rows of or adjacent two column
Tail portion 22 contacts.This setup good heat dissipation effect, and metal heat-conducting piece 302 will not occupy additional space, be conducive to contract
The volume of small entire sound equipment.In specific implementation process, the ultrasonic probe 2 is fixed on the circuit card 1 by weld seam, and metal is led
Warmware 302 can also be realized by weld seam with the tail portion 22 of ultrasonic probe 2 and be contacted, and be capable of increasing contact area, made heat dissipation effect
More preferably.
In a preferred embodiment, referring to Fig. 1, fan 301, cooling fin 303, metal heat-conducting piece 302 are successively stacked,
The air outlet face cooling fin 303 of fan 301, further improves heat dissipation effect, and arrangement of parts is more compact, so that sound equipment accounts for
Volume is smaller.
In an alternative embodiment, which is copper pipe.
In an alternative embodiment, referring to Fig. 3, connection, the control are wirelessly communicated between the controller and comparator
Connection is wirelessly communicated between device and radiating element 30, in the specific implementation process, if controller is arranged in host, and is not provided with
In sound equipment, then long-range control can be achieved.
In an alternative embodiment, the frequency range of the ultrasonic probe 2 is 50~80kHz, the people that can be synthesized
The audible sound wave of ear, the acoustical quality in the frequency range is more preferably, it is preferred that the frequency of ultrasonic probe is 70kHz.
Refering to Fig. 4, the high-frequency orientation audio frequency for being shown as of the invention maintains the stream of method in one embodiment
Journey schematic diagram, the frequency maintain method to be applied in the high-frequency being somebody's turn to do such as Fig. 1 orientation sound equipment, include the following steps：
A kind of frequency maintenance method of high-frequency sound equipment, includes the following steps：
Acquire the real time temperature of ultrasonic probe 2；
When the real time temperature of ultrasonic probe 2 exceeds preset temperature range, 2 frequency of ultrasonic probe is corrected；
When the real time temperature of ultrasonic probe 2 is without departing from preset temperature range, if the real time temperature is more than default
Optimum temperature threshold value, then control radiating element 30 starting, if the real time temperature is less than preset optimum temperature threshold value,
Control radiating element 30 stops working or does not start.
It in this way can be by the frequency more precise control of probe in a certain range, and when real time temperature is super
Out when preset temperature range, advanced line frequency amendment, rather than directly radiate, the power for reducing entire sound equipment disappears
Consumption, it is more energy efficient.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (8)
1. high-frequency orients sound equipment, which is characterized in that including：
Circuit board,
Ultrasonic probe, array are arranged on circuit boards, and the working frequency of the ultrasonic probe is greater than 40kHz；
And temperature-controlled package, for reducing the temperature of ultrasonic probe.
2. high-frequency according to claim 1 orients sound equipment, it is characterised in that：The temperature-controlled package includes：
Temperature monitoring module, for acquiring the real time temperature of ultrasonic probe；
Comparator for judging whether the real time temperature of ultrasonic detector is more than preset temperature range, and judges ultrasonic wave
Whether the real time temperature of detector is more than preset optimum temperature threshold value, and the comparator is connect with temperature monitoring module；
Radiating element, for adjusting the temperature of ultrasonic probe；
Controller, the controller are connect with comparator, radiating element and ultrasonic probe respectively, for being fed back according to comparator
Result control ultrasonic probe frequency and radiating element start and stop；
When the real time temperature of ultrasonic probe exceeds preset temperature range, then ultrasonic probe frequency is corrected；
When the real time temperature of ultrasonic probe is without departing from preset temperature range, if the real time temperature is more than preset best
Temperature threshold then controls radiating element starting, if the real time temperature, if the real time temperature is less than preset optimum temperature
Threshold value then controls radiating element and stops working or do not start.
3. high-frequency according to claim 1 orients sound equipment, it is characterised in that：The temperature-controlled package includes that metal is led
Warmware, cooling fin and for accelerating cooling fin cooling fan, the metal heat-conducting piece is connect with ultrasonic probe, the metal
Heat-conducting piece is connect with cooling fin.
4. high-frequency according to claim 3 orients sound equipment, it is characterised in that：Each ultrasonic probe includes head and tail
Portion, tail portion use thermal conductive metallic material, and circuit board is run through in the tail portion of the ultrasonic probe, so that its head is being located at circuit board just
Face, tail portion are located at the reverse side of circuit board, and the metal heat-conducting piece is arranged in circuit board reverse side, and the metal heat-conducting piece includes several
The straight section and several arc sections for being used to connect each straight section being parallel to each other, so that metal heat-conducting piece is S-shaped, it is adjacent two rows of or adjacent
It is respectively provided with a straight section between the ultrasonic probe of two column, every section of straight section is contacted with the tail portion of the straight section two sides ultrasonic probe.
5. high-frequency according to claim 3 orients sound equipment, it is characterised in that：The metal heat-conducting piece is copper pipe.
6. high-frequency according to claim 2 orients sound equipment, it is characterised in that：It is wireless between the controller and comparator
Communication connection wirelessly communicates connection between the controller and radiating element.
7. high-frequency according to claim 1 orients sound equipment, it is characterised in that：The frequency range of the ultrasonic probe is
50~80kHz.
8. a kind of frequency of high-frequency orientation sound equipment maintains method, it is characterised in that：Include the following steps：
Acquire the real time temperature of ultrasonic probe；
When the real time temperature of ultrasonic probe exceeds preset temperature range, ultrasonic probe frequency is corrected；
When the real time temperature of ultrasonic probe is without departing from preset temperature range, if the real time temperature is more than preset best
Temperature threshold then controls radiating element starting, if the real time temperature is less than preset optimum temperature threshold value, controls heat dissipation
Device stops working or does not start.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810973623.5A CN108924696A (en) | 2018-08-24 | 2018-08-24 | High-frequency orients sound equipment and its frequency maintains method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810973623.5A CN108924696A (en) | 2018-08-24 | 2018-08-24 | High-frequency orients sound equipment and its frequency maintains method |
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| Publication Number | Publication Date |
|---|---|
| CN108924696A true CN108924696A (en) | 2018-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810973623.5A Pending CN108924696A (en) | 2018-08-24 | 2018-08-24 | High-frequency orients sound equipment and its frequency maintains method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070016053A1 (en) * | 2005-06-08 | 2007-01-18 | Lo Thomas Y | Ultrasonic monitor with an adhesive member |
| JP2012179324A (en) * | 2011-03-03 | 2012-09-20 | Fujifilm Corp | Ultrasonograph |
| CN103828391A (en) * | 2011-09-22 | 2014-05-28 | 松下电器产业株式会社 | Sound reproduction device |
| CN103869909A (en) * | 2012-12-11 | 2014-06-18 | 鸿富锦精密工业（深圳）有限公司 | Electronic device and method for automatically adjusting working efficiency |
| CN106060729A (en) * | 2016-06-27 | 2016-10-26 | 联想(北京)有限公司 | Control method and electronic equipment |
| JP2017203745A (en) * | 2016-05-13 | 2017-11-16 | セイコーエプソン株式会社 | Probe and internal temperature measurement device |
-
2018
- 2018-08-24 CN CN201810973623.5A patent/CN108924696A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070016053A1 (en) * | 2005-06-08 | 2007-01-18 | Lo Thomas Y | Ultrasonic monitor with an adhesive member |
| JP2012179324A (en) * | 2011-03-03 | 2012-09-20 | Fujifilm Corp | Ultrasonograph |
| CN103828391A (en) * | 2011-09-22 | 2014-05-28 | 松下电器产业株式会社 | Sound reproduction device |
| CN103869909A (en) * | 2012-12-11 | 2014-06-18 | 鸿富锦精密工业（深圳）有限公司 | Electronic device and method for automatically adjusting working efficiency |
| JP2017203745A (en) * | 2016-05-13 | 2017-11-16 | セイコーエプソン株式会社 | Probe and internal temperature measurement device |
| CN106060729A (en) * | 2016-06-27 | 2016-10-26 | 联想(北京)有限公司 | Control method and electronic equipment |
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