CN106792416A - Sound pick-up pickup function automatic detection statistic device - Google Patents
Sound pick-up pickup function automatic detection statistic device Download PDFInfo
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- CN106792416A CN106792416A CN201611254142.6A CN201611254142A CN106792416A CN 106792416 A CN106792416 A CN 106792416A CN 201611254142 A CN201611254142 A CN 201611254142A CN 106792416 A CN106792416 A CN 106792416A
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- sound pick
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- crystal display
- belt
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- 238000001514 detection method Methods 0.000 title claims abstract description 39
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 30
- 238000012360 testing method Methods 0.000 claims abstract description 22
- 238000012797 qualification Methods 0.000 claims abstract description 5
- 239000000758 substrate Substances 0.000 claims description 15
- 230000005693 optoelectronics Effects 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000005236 sound signal Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012549 training Methods 0.000 abstract description 2
- 230000002950 deficient Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010304 firing Methods 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 238000007619 statistical method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/004—Monitoring arrangements; Testing arrangements for microphones
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
Abstract
Sound pick-up pickup function automatic detection statistic device of the invention, it is characterised in that：Including controller and the detection circuit being attached thereto, they are arranged in casing, and liquid crystal display is provided with casing；There is one group of belt wheel set, one of belt pulley is arranged in casing, another belt pulley is arranged in the fixed plate on the outside of casing, and sound pick-up driver plate is provided with belt, and belt wheel set connects controller respectively by driving stepper motor, stepper motor liquid crystal display.The beneficial effects of the invention are as follows, simple structure, easy to use, with the function of automatic discrimination sound pick-up, can automatically record the quantity and programming count qualification rate of test and be displayed on liquid crystal display.The device once can automatically test multiple sound pick-ups, easy to operate, operation on duty by simple training, and statistics is simple and clear, efficiency high.
Description
Technical field
The invention belongs to sound pick-up testing equipment field, it is related to a kind of sound pick-up pickup function automatic detection statistic device.
Background technology
When current factory's receiving inspection sound pick-up pickup function, artificial individually test, and need selection relatively quiet
Place；Inefficiency and test data statistical work is cumbersome.
The content of the invention
The present invention is in order to make up the deficiencies in the prior art, there is provided a kind of efficiency high, accuracy rate be high, easy to operate, can be right
Testing result carries out the sound pick-up pickup function automatic detection statistic device of automatic statistical analysis.
The present invention is achieved through the following technical solutions：
Sound pick-up pickup function automatic detection statistic device of the invention, it is characterised in that：Including controller and it is attached thereto
Detection circuit, they are arranged in casing, and liquid crystal display is provided with casing；There are one group of belt wheel set, one of belt pulley peace
In casing, another belt pulley is arranged in the fixed plate on the outside of casing, and sound pick-up driver plate, belt are provided with belt
Wheel set connects controller respectively by driving stepper motor, stepper motor liquid crystal display.
Controller uses single-chip microcomputer, detects that circuit includes loudspeaker driving circuit, the audio inspection being connected with controller respectively
Slowdown monitoring circuit, liquid crystal display drive circuit, positioning sensor circuit, motor drive module, LED warning circuits and power module.
Travel switch is provided near the two ends of belt, travel switch connects controller, and travel switch is by detecting sound pick-up
Location hole on driver plate, determines that stepper motor is rotated forward or rotated backward.
Positioning sensor circuit has two, and travel switch uses optoelectronic switch, and each positioning sensor circuit connects a photoelectricity
Switch, near the top of belt, second optoelectronic switch is near the end of belt for first optoelectronic switch.
Sound pick-up driver plate includes the positioning substrate and the sound pick-up fixed seat that are fixed together, and positioning substrate is arranged on belt
On, there are several location holes on positioning substrate, optoelectronic switch determines that motor is to rotate forward by the location hole positioned on substrate
Still rotate backward；Sound pick-up fixed seat is used to fix several sound pick-ups, and sound pick-up fixed seat connects audio and examines by wire
Slowdown monitoring circuit.
Audio detection circuit, is after sound pick-up to be tested is connected into audio detection circuit, to be passed through after detecting audio signal
Cross after amplifier two-stage is amplified and transmit a signal to Chip Microcomputer A/D receiving terminal, single-chip microcomputer is analyzed and unites to the signal for receiving
Meter.
The method that sound pick-up pickup function automatic detection statistic device of the invention is detected, it is characterised in that：Including
Following steps：The initialization of liquid crystal display is first carried out after single-chip microcomputer starts, then control stepper motor rotate make driver plate with
Sound pick-up enters casing, and positioning sensor circuit is positioned by the location hole on driver plate；When detecting first location hole
When, high level is exported to triode Q1, speaker operation, audio detection circuit is fed back to single-chip microcomputer after receiving signal, it is single
Piece machine judged according to the threshold value being previously set, qualified record in qualified quantity, underproof output square pulse
Alarm LED is flashed, and is recorded；One group of test is multiple, controls stepper motor to rotate backward after being completed, by driver plate
It is sent to outside casing, removing sound pick-up carries out next group of test；After being completed most at last data display on liquid crystal display, liquid crystal display
Finally the content of display is：Total number measured amount, qualified quantity, unqualified quantity, qualification rate.
The beneficial effects of the invention are as follows, simple structure, easy to use, with the function of automatic discrimination sound pick-up, and can carry out
Data statistic analysis simultaneously show result, specific as follows.
1. the present invention supports 5 volts of DC supply inputs, treats as multiple power source interface, and the easy procurement cost of adapter is low.
2. the present invention can automatically record the quantity and programming count qualification rate of test.The device can be tested once automatically
Multiple sound pick-ups, and corresponding test result is carried out into statistical analysis and including on liquid crystal display.It is easy to operate, simple training
Operation on duty, statistics is simple and clear, efficiency high.
3. the present invention can automatically send alarm to defective work, point out the position of defective work.
4. the present invention can shield the interference of external sound with soundproof effect, and test result is relatively accurate.
5. can be automatically sent to device under test in device automatically with function is automatically delivered by the present invention, and in test
Device is sent to outside device automatically after finishing.
Brief description of the drawings
Fig. 1：Automatic detection statistic device whole structure schematic diagram.
Fig. 2：Automatic detection statistic device module map.
Fig. 3：Power input indicating module.
Fig. 4：Loudspeaker driving circuit.
Fig. 5-1,5-2,5-3：The audio detection circuit detected simultaneously to first, second, the 3rd sound pick-up.
Fig. 6：Liquid crystal display drive circuit.
Fig. 7：Positioning sensor circuit.
Fig. 8：Motor-drive circuit.
Fig. 9：LED warning circuits.
Figure 10：Single chip machine controlling circuit.
Figure 11：Startup, stopping control circuit.
Figure 12：Driver plate.
1 casing, 2 belt pulleys, 3 belt pulleys, 4 sound pick-up driver plates, 5 stepper motors, 6 travel switches, 7 positioning substrates, 80
Sound device fixed seat, 9 location holes, 10 sound pick-ups, 11 belts, 12 liquid crystal displays, 13 alarm LED, 14 power supply indicators, 15 startups are pressed
Key, 16 stop key, 17 mounting holes, 18 single-chip microcomputers.
Specific embodiment
Accompanying drawing is a kind of specific embodiment of the invention.
Sound pick-up pickup function automatic detection statistic device of the invention, including controller and the detection electricity being attached thereto
Road, they are arranged in casing 1, and liquid crystal display 12 is provided with casing；There is one group of belt wheel set, one of belt pulley 2 is installed
In casing, another belt pulley 3 is arranged in the fixed plate on the outside of casing, and sound pick-up driver plate 4, skin are provided with belt 11
Band wheel set is driven by stepper motor 5, and stepper motor liquid crystal display connects controller respectively.
Controller uses single-chip microcomputer, detects that circuit includes loudspeaker driving circuit, the audio inspection being connected with controller respectively
Slowdown monitoring circuit, liquid crystal display drive circuit, positioning sensor circuit, motor drive module, LED warning circuits and power module.
Travel switch 6 is provided near the two ends of belt, travel switch connects controller, and travel switch is by detecting sound pick-up
Location hole on driver plate, determines that stepper motor is rotated forward or rotated backward.
Positioning sensor circuit has two, and travel switch uses optoelectronic switch, and each positioning sensor circuit connects a photoelectricity
Switch, near the top of belt, second optoelectronic switch is near the end of belt for first optoelectronic switch.
Sound pick-up driver plate includes the positioning substrate 7 and the sound pick-up fixed seat 8 that are fixed together, and positioning substrate is arranged on skin
Take, there are several location holes 9 on positioning substrate, optoelectronic switch determines that motor is positive turning by the location hole positioned on substrate
It is dynamic still to rotate backward；Sound pick-up fixed seat is used to fix several sound pick-ups 10, and sound pick-up fixed seat connects sound by wire
Frequency detection circuit.
Audio detection circuit, is after sound pick-up to be tested is connected into audio detection circuit, to be passed through after detecting audio signal
Cross after amplifier two-stage is amplified and transmit a signal to Chip Microcomputer A/D receiving terminal, single-chip microcomputer is analyzed and unites to the signal for receiving
Meter.
The method that sound pick-up pickup function automatic detection statistic device of the invention is detected, comprises the following steps：When
Single-chip microcomputer first carries out the initialization of liquid crystal display after starting, then controlling stepper motor to rotate makes driver plate enter cartonning with sound pick-up
Body, positioning sensor circuit is positioned by the location hole on driver plate.When first location hole is detected, triode Q1 is given
Output high level, makes speaker operation, and audio detection circuit is received and feed back to after signal single-chip microcomputer, and single-chip microcomputer according to setting in advance
The threshold value set is judged that in qualified quantity, underproof output square pulse flashes alarm LED to qualified record,
And recorded.One group of test amounts to 3, controls stepper motor to rotate backward after being completed, and driver plate is sent to outside casing,
Removing sound pick-up carries out next group of test.After being completed most at last data display on liquid crystal display, liquid crystal display finally display
Content is：Total number measured amount, qualified quantity, unqualified quantity, qualification rate.
Sound pick-up pickup function automatic detection statistic device of the invention, by the casing with certain soundproof effect, monolithic
Machine, loudspeaker driving circuit, audio detection circuit, liquid crystal display drive circuit, positioning sensor circuit, motor drive module, LED reports
Alert circuit composition.
Casing is liquid crystal display, the carrying body of observation circuit, and the test of sound pick-up carries out in casing.Casing uses sound insulation
Material is wrapped up, and with certain soundproof effect, isolates external noise.
Referring to Fig. 3, power input indicating circuit, 5V power supplys are input into by terminals P 1.When power input, D1 is lighted.This module
Play the function of power supply instruction.U2 produce -5V power supplys be supplied to N1 in Fig. 5 N#1 N1#.
Referring to Fig. 4, loudspeaker driving circuit by R14 R17 R21 Q1 LS1 constitute, its operation principle is to work as single-chip microcomputer
Sound pick-up to be measured is detected into after casing, single-chip microcomputer output high level makes loudspeaker continuous firing.Wherein Q1 is the poles of NPN tri-
Pipe, when base stage receives high level signal, makes loudspeaker continuous firing.
With reference to Fig. 5, audio detection circuit by U2 N1 N#1 N1# etc. constitute.Wherein U2（In figure 3）For N1 N#1
N1# provides -5V power supplys, after sound pick-up MK1 MK2 MK3 to be tested are connected to audio detection circuit, is passed through after detecting audio signal
Cross N1 N#1 N1# two-stages amplify after transmit a signal to Chip Microcomputer A/D receiving terminal.Single-chip microcomputer is analyzed to the signal for receiving
And count.
With reference to Fig. 6, liquid crystal display drive circuit is made up of liquid crystal display P2, single-chip microcomputer U1, and single-chip microcomputer is by corresponding measuring and calculation knot
Fruit shows on liquid crystal display.Wherein R20 adjustable resistances adjust the contrast of screen, reach optimal display result.
With reference to Fig. 7, positioning sensor circuit is made up of R9 R10 R11 R12 K1 K2, and its effect is when loading sound pick-up
Supporting plate has K1 to be counted and positioned when entering into test box house, has K2 to provide when supporting plate is automatically brought to outside casing and stops letter
Number when motor rotate stop, preventing sound pick-up from turning to belt back and drop.K1 K2 be U-type groove optoelectronic switch, when blocking
Reception pipe exports high level, when the location hole of driver plate move to K1 at K2 when, the light of luminous tube is irradiated to through location hole
Reception pipe, makes reception pipe export low level.
With reference to Fig. 8, motor-drive circuit by R5 R6 R7 R8 U3 stepper motors etc. constitute.Its principle is by monolithic
Machine instruction is converted to driving stepper motor signal, and Driving Stepping Motor is rotated.Stepper motor is connected on combination hub J1, and U3 is by connecing
The single-chip microcomputer signal for receiving, amplifies output driving stepper motor and rotates.
With reference to Fig. 9, LED warning circuits by R1 D2 constitute, when there is defective work LED can not stop flicker, through row point out,
And by the position of defective work in liquid crystal screen display.When device to test is to substandard product, single-chip microcomputer output square pulse
Signal, drives D2 flickers.
With reference to Figure 10, single chip machine controlling circuit, J2 is the serial interface of single-chip microcomputer, to single-chip microcomputer burning program or is gone here and there
Row communication.
With reference to Figure 11, after start button S1 is pressed, single-chip microcomputer detects low level, starts test；When stop key S2 by
Single-chip microcomputer terminates test after lower.
With reference to Figure 12, driver plate is made up of substrate, sound pick-up fixed seat.Sound pick-up fixed seat once fixes 3 sound pick-ups,
Positioning sensor circuit is rotated forward or rotated backward when determining motor by the location hole on substrate.Driver plate passes through mounting hole
17 are fixed on belt.
Claims (7)
1. a kind of sound pick-up pickup function automatic detection statistic device, it is characterised in that：Including controller and the inspection being attached thereto
Slowdown monitoring circuit, they are arranged in casing, and liquid crystal display is provided with casing；There is one group of belt wheel set, one of belt pulley is installed
In casing, another belt pulley is arranged in the fixed plate on the outside of casing, and sound pick-up driver plate, belt pulley are provided with belt
By driving stepper motor, stepper motor liquid crystal display connects controller to pair respectively.
2. sound pick-up pickup function automatic detection statistic device according to claim 1, it is characterised in that：Controller is used
Single-chip microcomputer, detection circuit includes that the loudspeaker driving circuit being connected with controller respectively, audio detection circuit, liquid crystal display drive electricity
Road, positioning sensor circuit, motor drive module, LED warning circuits and power module.
3. sound pick-up pickup function automatic detection statistic device according to claim 1 and 2, it is characterised in that：Near skin
The two ends of band are provided with travel switch, and travel switch connects controller, and travel switch is by detecting the positioning on sound pick-up driver plate
Hole, determines that stepper motor is rotated forward or rotated backward.
4. sound pick-up pickup function automatic detection statistic device according to claim 3, it is characterised in that：Positioning induced electricity
Road has two, and travel switch uses optoelectronic switch, and each positioning sensor circuit connects an optoelectronic switch, first optoelectronic switch
Near the top of belt, second optoelectronic switch is near the end of belt.
5. sound pick-up pickup function automatic detection statistic device according to claim 1, it is characterised in that：Sound pick-up is driven
Plate includes the positioning substrate and the sound pick-up fixed seat that are fixed together, and positioning substrate is arranged on belt, if having on positioning substrate
A dry location hole, optoelectronic switch determines that motor is rotated forward or rotated backward by the location hole positioned on substrate；Pickup
Device fixed seat is used to fix several sound pick-ups, and sound pick-up fixed seat connects audio detection circuit by wire.
6. sound pick-up pickup function automatic detection statistic device according to claim 2, it is characterised in that：Audio detection electricity
Road, is detected after audio signal by after the amplification of amplifier two-stage after sound pick-up to be tested is connected into audio detection circuit
Chip Microcomputer A/D receiving terminal is transmitted a signal to, single-chip microcomputer is analyzed and counts to the signal for receiving.
7. the method that the sound pick-up pickup function automatic detection statistic device described in a kind of claim 1 is detected, its feature
It is：Comprise the following steps：The initialization of liquid crystal display is first carried out after single-chip microcomputer starts, then controlling stepper motor to rotate makes biography
Dynamic strip sound pick-up and enters casing, and positioning sensor circuit is positioned by the location hole on driver plate；When detecting first
During individual location hole, high level is exported to triode Q1, speaker operation, audio detection circuit is fed back to list after receiving signal
Piece machine, single-chip microcomputer judged according to the threshold value being previously set, qualified record in qualified quantity, underproof output side
Shape pulse flashes alarm LED, and is recorded；One group of test is multiple, controls stepper motor to rotate backward after being completed, will
Driver plate is sent to outside casing, and removing sound pick-up carries out next group of test；After being completed most at last data display on liquid crystal display,
Liquid crystal display finally display content be：Total number measured amount, qualified quantity, unqualified quantity, qualification rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254142.6A CN106792416A (en) | 2016-12-30 | 2016-12-30 | Sound pick-up pickup function automatic detection statistic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254142.6A CN106792416A (en) | 2016-12-30 | 2016-12-30 | Sound pick-up pickup function automatic detection statistic device |
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| Publication Number | Publication Date |
|---|---|
| CN106792416A true CN106792416A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611254142.6A Pending CN106792416A (en) | 2016-12-30 | 2016-12-30 | Sound pick-up pickup function automatic detection statistic device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108769886A (en) * | 2018-06-25 | 2018-11-06 | 歌尔股份有限公司 | A kind of microphone test equipment |
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| CN201910916U (en) * | 2010-12-13 | 2011-07-27 | 海格国利电子(惠州)有限公司 | Device for automatically detecting microphone and earphone functions |
| KR20130011990A (en) * | 2011-07-22 | 2013-01-30 | 페어차일드 세미컨덕터 코포레이션 | Mic/gnd detection and automatic switch |
| CN105516878A (en) * | 2016-01-19 | 2016-04-20 | 济南中维世纪科技有限公司 | Device for automatically detecting and counting decibel value of loudspeaker |
| US20160180826A1 (en) * | 2011-02-10 | 2016-06-23 | Dolby Laboratories, Inc. | System and method for wind detection and suppression |
| CN206596231U (en) * | 2016-12-30 | 2017-10-27 | 济南中维世纪科技有限公司 | Sound pick-up pickup function automatic detection statistic device |
-
2016
- 2016-12-30 CN CN201611254142.6A patent/CN106792416A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201910916U (en) * | 2010-12-13 | 2011-07-27 | 海格国利电子(惠州)有限公司 | Device for automatically detecting microphone and earphone functions |
| US20160180826A1 (en) * | 2011-02-10 | 2016-06-23 | Dolby Laboratories, Inc. | System and method for wind detection and suppression |
| KR20130011990A (en) * | 2011-07-22 | 2013-01-30 | 페어차일드 세미컨덕터 코포레이션 | Mic/gnd detection and automatic switch |
| CN105516878A (en) * | 2016-01-19 | 2016-04-20 | 济南中维世纪科技有限公司 | Device for automatically detecting and counting decibel value of loudspeaker |
| CN206596231U (en) * | 2016-12-30 | 2017-10-27 | 济南中维世纪科技有限公司 | Sound pick-up pickup function automatic detection statistic device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108769886A (en) * | 2018-06-25 | 2018-11-06 | 歌尔股份有限公司 | A kind of microphone test equipment |
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Application publication date: 20170531 |