CN206596231U - 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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- CN206596231U CN206596231U CN201621475861.6U CN201621475861U CN206596231U CN 206596231 U CN206596231 U CN 206596231U CN 201621475861 U CN201621475861 U CN 201621475861U CN 206596231 U CN206596231 U CN 206596231U
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Abstract
Sound pick-up pickup function automatic detection statistic device of the present utility model, 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, sound pick-up driver plate is provided with belt, belt wheel set connects controller respectively by driving stepper motor, stepper motor liquid crystal display.The beneficial effects of the utility model are, simple in construction, 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 shown on liquid crystal display.The device can once test multiple sound pick-ups automatically, and easy to operate, simple training on duty can be operated, and statistical result 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 to select relatively quiet
Place；Inefficiency and test data statistical work is cumbersome.
The content of the invention
The present invention in order to make up the deficiencies in the prior art there is provided a kind of efficiency high, accuracy rate it is 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：
The sound pick-up pickup function automatic detection statistic device of the present invention, it is characterised in that：Including controller and therewith phase
Detection circuit even, they are arranged in casing, and liquid crystal display is provided with casing；There are one group of belt wheel set, one of belt
Wheel is arranged in casing, and another belt pulley is arranged in the fixed plate on the outside of casing, and sound pick-up driver plate is provided with belt,
Belt wheel set connects controller respectively by driving stepper motor, stepper motor liquid crystal display.
Controller uses single-chip microcomputer, and detection circuit includes loudspeaker driving circuit, the audio inspection being connected respectively with controller
Slowdown monitoring circuit, liquid crystal display drive circuit, positioning sensor circuit, motor drive module, LED warning circuits and power module.
Travel switch is provided with close to the two ends of belt, travel switch connects controller, and travel switch is by detecting sound pick-up
Positioning 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, first optoelectronic switch is close to the top of belt, and second optoelectronic switch is close to the end of belt.
Sound pick-up driver plate includes positioning substrate and the sound pick-up fixed seat being fixed together, and positioning substrate is arranged on belt
On, there are several positioning holes on positioning substrate, optoelectronic switch determines that motor is to rotate forward by the positioning 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 by wire and examined
Slowdown monitoring circuit.
Audio detection circuit, is that sound pick-up to be tested is connected to after audio detection circuit, detects and passed through after audio signal
Chip Microcomputer A/D receiving terminal is transmitted a signal to after crossing the amplification of amplifier two-stage, single-chip microcomputer is analyzed and united to the signal received
Meter.
The method that the sound pick-up pickup function automatic detection statistic device of the present 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 positioning hole on driver plate；When detecting first positioning hole
When, high level is exported to triode Q1, makes speaker operation, audio detection circuit receives and single-chip microcomputer is fed back to after signal, it is single
Piece machine is judged that qualified record is in qualified quantity, underproof output square pulse according to the threshold value being previously set
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, removes sound pick-up and carry out next group of test；Most data display is on liquid crystal display at last after being completed, liquid crystal display
The content finally shown is：Total number measured amount, qualified quantity, unqualified quantity, qualification rate.
The beneficial effects of the invention are as follows, it is simple in construction, easy to use, can be with the function of automatic discrimination sound pick-up, and carry out
Data statistic analysis simultaneously shows result, specific as follows.
1. the present invention supports 5 volts of DC supply inputs, multiple power source interface is treated as, the easy procurement cost of adapter is low.
2. the present invention can record the quantity and programming count qualification rate of test automatically.The device can be tested once automatically
Multiple sound pick-ups, and corresponding test result is subjected to statistical analysis and including on liquid crystal display.It is easy to operate, simple training
Operation on duty, statistical result is simple and clear, efficiency high.
3. the present invention can send alarm automatically to defective work, the position of defective work is pointed out.
4. there is the present invention soundproof effect can shield the interference of external sound, test result is relatively accurate.
5. the present invention, which has, automatically delivers function, device under test can be automatically sent in device automatically, 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：Position 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 positioning 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.
Embodiment
Accompanying drawing is a kind of specific embodiment of the invention.
The sound pick-up pickup function automatic detection statistic device of the present 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, and detection circuit includes loudspeaker driving circuit, the audio inspection being connected respectively with controller
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 with close to the two ends of belt, travel switch connects controller, and travel switch is by detecting sound pick-up
Positioning 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, first optoelectronic switch is close to the top of belt, and second optoelectronic switch is close to the end of belt.
Sound pick-up driver plate includes positioning substrate 7 and the sound pick-up fixed seat 8 being fixed together, and positioning substrate is arranged on skin
Take, there are several positioning holes 9 on positioning substrate, optoelectronic switch determines that motor is positive turns by the positioning 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 that sound pick-up to be tested is connected to after audio detection circuit, detects and passed through after audio signal
Chip Microcomputer A/D receiving terminal is transmitted a signal to after crossing the amplification of amplifier two-stage, single-chip microcomputer is analyzed and united to the signal received
Meter.
The method that the sound pick-up pickup function automatic detection statistic device of the present 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 positioning hole on driver plate.When detecting first positioning hole, triode Q1 is given
High level is exported, makes speaker operation, audio detection circuit receives and single-chip microcomputer is fed back to after signal, single-chip microcomputer according to setting in advance
The threshold value set is judged that qualified record is in qualified quantity, and underproof output square pulse flashes alarm LED,
And recorded.One group of test amounts to 3, controls stepper motor to rotate backward after being completed, driver plate is sent to outside casing,
Remove sound pick-up and carry out next group of test.After being completed most at last data display on liquid crystal display, what liquid crystal display was finally shown
Content is：Total number measured amount, qualified quantity, unqualified quantity, qualification rate.
The sound pick-up pickup function automatic detection statistic device of the present 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, with certain soundproof effect, isolates external noise.
Referring to Fig. 3, power input indicating circuit, 5V power supplys are inputted by terminals P 1.When power input, D1 is lighted.This module
Play the function of power supply instruction.U2 generation -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
Detect sound pick-up to be measured to enter 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# offer -5V power supplys, sound pick-up MK1 MK2 MK3 to be tested are connected to after audio detection circuit, are detected and are passed through after audio signal
Cross N1 N#1 N1# two-stages amplification after transmit a signal to Chip Microcomputer A/D receiving terminal.Single-chip microcomputer is analyzed the signal received
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 it is when loading sound pick-up that it, which is acted on,
Supporting plate has K1 to be counted and positioned when entering 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 dropping.K1 K2 be U-type groove optoelectronic switch, when blocking
Reception pipe exports high level, when the positioning hole of driver plate be moved to K1 at K2 when, the light of luminous tube is irradiated to through positioning 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 received, amplification output driving stepper motor is rotated.
With reference to Fig. 9, LED warning circuits by R1 D2 constitute, when there is defective work LED can not stop flicker, through row prompting,
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, driving 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 determines to rotate forward or rotate backward during motor by the positioning hole on substrate.Driver plate passes through mounting hole
17 are fixed on belt.
Claims (6)
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
Pair is by driving stepper motor, and stepper motor liquid crystal display connects controller 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 loudspeaker driving circuit, audio detection circuit, liquid crystal display the driving electricity being connected respectively with controller
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 or 2, it is characterised in that：Close to 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：Position induced electricity
Road has two, and travel switch uses optoelectronic switch, and each positioning sensor circuit connects an optoelectronic switch, first optoelectronic switch
Close to the top of belt, second optoelectronic switch is close to 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 positioning substrate and the sound pick-up fixed seat being fixed together, and positioning substrate is arranged on belt, if having on positioning substrate
Dry positioning hole, optoelectronic switch determines that motor is rotated forward or rotated backward by the positioning 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 that sound pick-up to be tested is connected to after audio detection circuit, is detected after audio signal after the amplification of amplifier two-stage
Chip Microcomputer A/D receiving terminal is transmitted a signal to, single-chip microcomputer is analyzed and counted to the signal received.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621475861.6U CN206596231U (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 |
|---|---|---|---|
| CN201621475861.6U CN206596231U (en) | 2016-12-30 | 2016-12-30 | Sound pick-up pickup function automatic detection statistic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206596231U true CN206596231U (en) | 2017-10-27 |
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ID=60130707
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621475861.6U Active CN206596231U (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 |
|---|---|---|---|---|
| CN106792416A (en) * | 2016-12-30 | 2017-05-31 | 济南中维世纪科技有限公司 | Sound pick-up pickup function automatic detection statistic device |
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2016
- 2016-12-30 CN CN201621475861.6U patent/CN206596231U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106792416A (en) * | 2016-12-30 | 2017-05-31 | 济南中维世纪科技有限公司 | Sound pick-up pickup function automatic detection statistic device |
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