CN203505305U - Collecting device for bird egg crack knocking sounds - Google Patents
Collecting device for bird egg crack knocking sounds Download PDFInfo
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- CN203505305U CN203505305U CN201320573927.5U CN201320573927U CN203505305U CN 203505305 U CN203505305 U CN 203505305U CN 201320573927 U CN201320573927 U CN 201320573927U CN 203505305 U CN203505305 U CN 203505305U
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Abstract
The utility model relates to a collecting device for bird egg crack knocking sounds. The collecting device for the bird egg crack knocking sounds comprises a static part and a knocking moving part which can move up and down in the static part, wherein the static part comprises a HALL switch, a cavity, a microphone fixing rod, a microphone, an electromagnetic coil winding and a silicon steel magnetic conductive cylinder; the knocking moving part comprises an upper magnetic ring, a sound guiding pipe, a lower magnetic ring, steel balls and a cushion rubber ring; the cavity of the static part is closed to play a role in sound insulation, the sound is transmitted through the sound guiding pipe, and it is ensured that the collected sounds are free of noise. The collecting device for the bird egg crack knocking sounds is not only simple in structure but also simple in circuit control and ensures the speed of sound collecting; the quality of the sounds is ensured due to closure and sound insulation of the cavity, and the improvement of the sound recognition rate is facilitated; the magnetic suspension steel balls collide with the surfaces of shells of bird eggs, so that collision force is greatly reduced, and nondestructive examination is ensured.
Description
Technical field
The utility model relates to a kind of fowl egg crack and knocks voice collection device.
Background technology
Birds, beasts and eggs are as a kind of desirable animal protein food, not only delicious and cheap, and nutritious, are the important component parts of people's diet.Birds, beasts and eggs, if any crackle, will affect storage life greatly; For professional birds, beasts and eggs processing enterprise, for the long-time preservation of birds, beasts and eggs, all birds, beasts and eggs can be carried out packing sale after certain processing, therefore to eggshell, whether there is the detection of crackle to be significant.To the crack detection of birds, beasts and eggs, be the online Non-Destructive Testing mode based on acoustic characteristic mostly at present, knocking voice collection device is the critical component that guarantees Non-Destructive Testing and sound picking rate and quality.
Utility model content
The purpose of this utility model is to guarantee Non-Destructive Testing, improves the picking rate of sound and has guaranteed to gather the quality of sound, is conducive to improve the discrimination of sound.
For achieving the above object, the technical solution of the utility model is: a kind of fowl egg crack knocks voice collection device, comprise stationary part and in stationary part, move up and down knock motion parts, described stationary part comprises HALL switch, cavity, microphone dead lever, microphone, solenoid winding and silicon steel magnetic conductive cylinder, the described motion parts that knocks comprises magnet ring, sound guide tube, lower magnet ring, steel ball and rubber buffer ring, described HALL switch is positioned at cavity top, for responding to the magnetic field of the upper magnet ring generation of knocking motion parts, described microphone dead lever is positioned at cavity, and the upper end of microphone dead lever is fixed on cavity top, described microphone dead lever lower end is microphone fixedly, described silicon steel magnetic conductive cylinder is fixed on cavity periphery, it is peripheral that described solenoid winding is fixed on silicon steel magnetic conductive cylinder, described upper magnet ring is positioned at sound guide tube upper end, described lower magnet ring is positioned at sound guide tube lower end, the diameter of described upper magnet ring and lower magnet ring is all greater than the diameter of silicon steel magnetic conductive cylinder, the length of described sound guide tube is greater than the length of silicon steel magnetic conductive cylinder, between described lower magnet ring and silicon steel magnetic conductive cylinder, be provided with rubber buffer ring.
Further, the cavity of described stationary part is airtight, plays deadening, guarantees that the sound gathering is without noise.
Further, described lower magnet ring comprises magnet ring and for placing the hole of steel ball; Described steel ball in magnetic suspension state, knocks motion parts and moves downward bird egg when surface in the hole of lower magnet ring, and steel ball produces low resistance vibration, and the sound of steel ball vibration is simultaneously passed to the microphone on microphone dead lever by sound guide tube.
Further, described fowl egg crack knocks voice collection device and also comprises sound treatment circuit; Described sound treatment circuit comprises signal processing circuit, A/D change-over circuit, dma circuit and the fifo signal queue circuit connecting successively, and described fifo signal queue circuit output is connected to processor to complete DFT conversion and the frequency-response analysis of voice signal; Described dma circuit is also connected with HALL switch; The input of described signal processing circuit is connected to microphone.
Compared to prior art, the utlity model has following beneficial effect:
1, control circuit is simple, only needs to control the sound collection mechanism part that fowl egg crack knocks voice collection device, and sound treatment circuit completes acoustic processing automatically, has guaranteed picking rate and the movement velocity of knocking motion parts;
2, fowl egg crack knocks voice collection device by sound guide tube acoustic, and has the cavity of isolation external sound, has guaranteed the quality of the sound that collects, is conducive to improve the discrimination of sound.
3, the steel ball that fowl egg crack knocks voice collection device in magnetic suspension state, has guaranteed and the harmless collision on bird egg surface, has realized Non-Destructive Testing.
Accompanying drawing explanation
Fig. 1 is the descending figure that the utility model fowl egg crack knocks the sound collection mechanism of voice collection device.
Fig. 2 is the up figure that the utility model fowl egg crack knocks the sound collection mechanism of voice collection device.
Fig. 3 is the A-A view that the utility model fowl egg crack knocks the lower magnet ring of voice collection device.
Fig. 4 is the acoustic processing flow chart of the utility model sound treatment circuit.
In figure: 1-HALL switch, the upper magnet ring of 2-, 3-microphone dead lever, 4-microphone, 5-steel ball, 6-lower magnet ring, 7-rubber buffer ring, 8-sound guide tube, 9-solenoid winding, 10-cavity, 11-eggshell surface, 12-silicon steel magnetic conductive cylinder.
Embodiment
Below in conjunction with accompanying drawing 1-4, the technical solution of the utility model is specifically described.
As Figure 1-4, proposed a kind of fowl egg crack of the present utility model and knocked voice collection device, comprised stationary part and the motion parts that knocks that can move up and down in stationary part; Described stationary part comprises HALL switch 1, cavity 10, microphone dead lever 3, microphone 4, solenoid winding 9 and silicon steel magnetic conductive cylinder 12; The described motion parts that knocks comprises magnet ring 2, sound guide tube 8, lower magnet ring 6, steel ball 5 and rubber buffer ring 7.
In order to guarantee to gather the quality of sound, the cavity 10 of described stationary part is airtight, plays deadening, guarantees that the sound gathering is without noise.
In order to be described knocking the concrete principle of voice collection device, as shown in Figure 1-2, when described solenoid winding 9 passes into electric current, silicon steel magnetic conductive cylinder 12 produces and knocks the magnetic field of lower magnet ring 6 mutual exclusions of motion parts, thereby drives the whole motion parts that knocks to move downward; The current polarity that circuit is knocked in adjustment changes and conduction time, can allow and knock motion parts in the moment of knocking bird egg surface 11, make silicon steel magnetic conductive cylinder 12 produce and knock the magnetic field of upper magnet ring 2 mutual exclusions of motion parts, thereby drive the whole motion parts that knocks to move upward; When moving upward to top, solenoid winding 9 turn-off currents, make magnetic field diminishes, lower magnet ring 6 and 12 adhesives of silicon steel magnetic conductive cylinder; Between described lower magnet ring 6 and silicon steel magnetic conductive cylinder 12 adhesive positions, by rubber buffer ring 7, cushioned.
In order to guarantee harmless with the bird egg surface 11 of steel ball 5 collision, as shown in Figure 3, described lower magnet ring 6 comprises magnet ring 61 and for placing the hole 62 of steel ball; Described steel ball 5 in the hole 62 of lower magnet ring 6 in magnetic suspension state, knock motion parts and move downward 11 o'clock, bird egg surface, steel ball 5 produces low resistance vibration, and the sound of steel ball 5 vibrations is simultaneously passed to the microphone 4 on microphone dead lever 3 by sound guide tube 8.
In order to gather sound automatic transmission, described HALL switch 1 knocks the magnetic field that the upper magnet ring 2 of motion parts produces for responding to, and according to magnetic field size or have or not and produce low and high level signal, and is transferred to required external circuits.
For the bird egg surface 11 to gathering, process and distinguish with the sound of steel ball 5 collisions, as Figure 1-4, described fowl egg crack knocks voice collection device and also comprises sound treatment circuit, described sound treatment circuit workflow is: when described when knocking motion parts and moving downward, HALL switch 1 produces level signal and triggers dma circuit, the steel ball 5 that microphone 4 gathers simultaneously and the sound of bird egg surface 11 collisions, through signal processing circuit, A/D change-over circuit obtains data signal, and enter fifo signal queue through dma circuit, treated device carries out after DFT conversion and frequency-response analysis, according to algorithm, obtain real-time bird egg surface 11 and the eigen value of steel ball 5 collision sound, compare with predefined steel ball 5 and the eigen value of intact bird egg surface 11 collision sound, thereby whether identification bird egg surface 11 has crackle, described fowl egg crack knocks the judgement whether sound collection that voice collection device is mainly used in fowl egg crack and bird egg surface 11 have crackle.
Below in conjunction with specific embodiment, tell about the practical application that fowl egg crack of the present utility model knocks voice collection device, as Figure 1-4:
1, prepare: birds, beasts and eggs are positioned over to steel ball 5 belows that fowl egg crack knocks voice collection device, and steel ball 5 is positioned at directly over bird egg surface 11;
2, sound collection and processing: when the solenoid winding 9 that knocks voice collection device at fowl egg crack passes into electric current, silicon steel magnetic conductive cylinder 12 produces and knocks the magnetic field of lower magnet ring 6 mutual exclusions of motion parts, thereby drives the whole motion parts that knocks to move downward, now HALL switch 1 produces level signal and triggers dma circuit, be positioned at the magnetic suspension steel ball 5 and 11 collisions of bird egg surface at lower magnet ring 6 places of knocking motion parts simultaneously, because so the collision of steel ball 5 in magnetic suspension state itself and bird egg surface 11 can not damage bird egg surface 11, the steel ball 5 that now microphone 4 gathers and the sound of bird egg surface 11 collisions are through signal processing circuit, A/D change-over circuit obtains data signal, and enter fifo signal queue through dma circuit, treated device carries out after DFT conversion, according to algorithm, obtain the eigen value of real-time eggshell surface 11 and steel ball 5 collision sound, compare with predefined intact bird egg surface 11 and the eigen value of the sound of steel ball 5 collisions, thereby whether identification bird egg surface 11 has crackle,
3, return up (as shown in Figure 2) state: adjust current polarity variation and the conduction time of knocking circuit, can allow and knock motion parts in the moment of knocking bird egg surface 11, make silicon steel magnetic conductive cylinder 12 produce and knock the magnetic field of upper magnet ring 2 mutual exclusions of motion parts, thereby drive the whole motion parts that knocks to move upward; When moving upward to top, solenoid winding 9 turn-off currents, make magnetic field diminishes, and lower magnet ring 6 cushion adhesive with silicon steel magnetic conductive cylinder 12 by rubber buffer ring, complete the work that sound collection and fowl egg crack judge.
This fowl egg crack knocks voice collection device, as long as control the circuit that knocks motion parts and stationary part, the processing of sound triggers dma circuit by HALL switch 1 and automatically completes, guaranteed the speed gathering, knock 5 vibrations of motion parts steel ball, sound guide tube 8 acoustics, the comprehensive function of static cavity 10 sound insulations simultaneously, guaranteed that sound does not have noise, be conducive to improve the discrimination of sound.
It is more than preferred embodiment of the present utility model; all changes of doing according to technical solutions of the utility model and sound knock harvester; when the function producing does not exceed the scope of technical solutions of the utility model, all belong to protection domain of the present utility model.
Claims (4)
1. fowl egg crack knocks a voice collection device, it is characterized in that: comprise stationary part and in stationary part, move up and down knock motion parts, described stationary part comprises HALL switch, cavity, microphone dead lever, microphone, solenoid winding and silicon steel magnetic conductive cylinder, the described motion parts that knocks comprises magnet ring, sound guide tube, lower magnet ring, steel ball and rubber buffer ring, described HALL switch is positioned at cavity top, for responding to the magnetic field of the upper magnet ring generation of knocking motion parts, described microphone dead lever is positioned at cavity, and the upper end of microphone dead lever is fixed on cavity top, described microphone dead lever lower end is microphone fixedly, described silicon steel magnetic conductive cylinder is fixed on cavity periphery, it is peripheral that described solenoid winding is fixed on silicon steel magnetic conductive cylinder, described upper magnet ring is positioned at sound guide tube upper end, described lower magnet ring is positioned at sound guide tube lower end, the diameter of described upper magnet ring and lower magnet ring is all greater than the diameter of silicon steel magnetic conductive cylinder, the length of described sound guide tube is greater than the length of silicon steel magnetic conductive cylinder, between described lower magnet ring and silicon steel magnetic conductive cylinder, be provided with rubber buffer ring.
2. fowl egg crack according to claim 1 knocks voice collection device, it is characterized in that: the cavity of described stationary part is airtight, plays deadening, guarantees that the sound gathering is without noise.
3. fowl egg crack according to claim 1 knocks voice collection device, it is characterized in that: described lower magnet ring comprises magnet ring and for placing the hole of steel ball; Described steel ball in magnetic suspension state, knocks motion parts and moves downward bird egg when surface in the hole of lower magnet ring, and steel ball produces low resistance vibration, and the sound of steel ball vibration is simultaneously passed to the microphone on microphone dead lever by sound guide tube.
4. fowl egg crack according to claim 1 knocks voice collection device, it is characterized in that: described fowl egg crack knocks voice collection device and also comprises sound treatment circuit; Described sound treatment circuit comprises signal processing circuit, A/D change-over circuit, dma circuit and the fifo signal queue circuit connecting successively, and described fifo signal queue circuit output is connected to processor to complete DFT conversion and the frequency-response analysis of voice signal; Described dma circuit is also connected with HALL switch; The input of described signal processing circuit is connected to microphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320573927.5U CN203505305U (en) | 2013-09-17 | 2013-09-17 | Collecting device for bird egg crack knocking sounds |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320573927.5U CN203505305U (en) | 2013-09-17 | 2013-09-17 | Collecting device for bird egg crack knocking sounds |
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| CN203505305U true CN203505305U (en) | 2014-04-02 |
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| CN201320573927.5U Expired - Lifetime CN203505305U (en) | 2013-09-17 | 2013-09-17 | Collecting device for bird egg crack knocking sounds |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424795A (en) * | 2014-09-18 | 2016-03-23 | 南京农业大学 | Egg quality nondestructive detection device and method based on magnetostriction technology |
| CN107313910A (en) * | 2017-07-10 | 2017-11-03 | 北京控制工程研究所 | A kind of hall thruster anode magnetic cup integral structure |
| CN109270168A (en) * | 2018-11-12 | 2019-01-25 | 陈静娟 | A kind of building hollowing monitoring settlement observation mark protective device |
| CN110501065A (en) * | 2019-07-24 | 2019-11-26 | 南京农业大学 | Hybrid rice based on collision characteristic splits clever Seed inspection method |
| CN111270353A (en) * | 2020-04-09 | 2020-06-12 | 赵旺旺 | Cotton opening knocking device |
| CN113703036A (en) * | 2021-08-31 | 2021-11-26 | 宁波瑞能环境能源技术有限公司 | Pipeline sounding device and method for acoustic phased array measuring underground pipeline position |
| CN116148357A (en) * | 2023-04-21 | 2023-05-23 | 华裕农业科技有限公司 | Egg crack automatic detection and classification system and method capable of accurately sorting eggs |
-
2013
- 2013-09-17 CN CN201320573927.5U patent/CN203505305U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424795A (en) * | 2014-09-18 | 2016-03-23 | 南京农业大学 | Egg quality nondestructive detection device and method based on magnetostriction technology |
| CN107313910A (en) * | 2017-07-10 | 2017-11-03 | 北京控制工程研究所 | A kind of hall thruster anode magnetic cup integral structure |
| CN107313910B (en) * | 2017-07-10 | 2019-08-09 | 北京控制工程研究所 | A kind of hall thruster anode magnetic cup integral structure |
| CN109270168A (en) * | 2018-11-12 | 2019-01-25 | 陈静娟 | A kind of building hollowing monitoring settlement observation mark protective device |
| CN109270168B (en) * | 2018-11-12 | 2020-12-08 | 博兴兴博城建投资集团有限公司 | Building hollowing monitoring is with subsiding observation sign protection device |
| CN110501065A (en) * | 2019-07-24 | 2019-11-26 | 南京农业大学 | Hybrid rice based on collision characteristic splits clever Seed inspection method |
| CN111270353A (en) * | 2020-04-09 | 2020-06-12 | 赵旺旺 | Cotton opening knocking device |
| CN113703036A (en) * | 2021-08-31 | 2021-11-26 | 宁波瑞能环境能源技术有限公司 | Pipeline sounding device and method for acoustic phased array measuring underground pipeline position |
| CN116148357A (en) * | 2023-04-21 | 2023-05-23 | 华裕农业科技有限公司 | Egg crack automatic detection and classification system and method capable of accurately sorting eggs |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |
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| CX01 | Expiry of patent term |