CN115724495A - Water surface suspension type ultrasonic insect killing and sterilizing device - Google Patents
Water surface suspension type ultrasonic insect killing and sterilizing device Download PDFInfo
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Abstract
The invention belongs to the technical field of ultrasonic insect killing and sterilization, and discloses a water surface suspension type ultrasonic insect killing and sterilization device.A machine shell is used for mounting components such as a transducer, a circuit and the like; the transducer array is composed of underwater acoustic transducer units and is firmly arranged on a protruding plane or a curved surface at the lower part of the machine shell, and the transducer array units are tightly connected with the bottom of the machine shell through a waterproof structure or a bonding agent; the driving circuit module is arranged in the shell, is distributed on the shell and is used for generating ultrasonic electric signals and driving the transducer array to generate ultrasonic waves; the cover plate is fixedly arranged at the upper part of the shell and used for preventing water from splashing into the shell and preventing dust from entering the shell; the switch is used for opening or closing the water surface suspension type ultrasonic insect killing and sterilizing device and is arranged on the cover plate. The invention solves the technical problem that the ultrasonic insect-killing and sterilization technology cannot be effectively applied to the fields with huge requirements such as fish tanks, and provides the ultrasonic insect-killing and sterilization device which is green, environment-friendly, convenient to use and capable of being popularized and applied in a large scale.
Description
Technical Field
The invention relates to the technical field of ultrasonic disinsection and sterilization, in particular to a water surface suspension type ultrasonic disinsection and sterilization device.
Background
With the higher pursuit of modern people on the quality of life, the ornamental fish is favored by many people due to the extremely high ornamental value. In a small ecosystem such as a fish tank, the breeding of ova and bacteria is inevitable. Some of which are derived from the oviposition of small insects. Such as: mosquitoes, mothflies, water fleas, and the like; and the other part of the feed may be bred by unknown eggs and bacteria due to the feed residues. The development of these eggs and the proliferation of harmful bacteria can adversely affect the growth of ornamental fish and even threaten the survival of aquatic plants and ornamental fish. The conventional fish tank cannot completely filter worm eggs, larvae and bacteria in the fish tank when water is changed. In order to kill the eggs, larvae and bacteria, a certain amount of chemical reagent is put into the fish tank in the traditional method. However, such methods have several disadvantages: firstly, the concentration of the chemical agent needs to be accurately controlled, which is not easy for common ornamental fish fans without relevant knowledge; secondly, the adopted chemical reagent may influence the subsequent growth process of the aquarium fish, and may lead to death of the aquarium fish seriously; and thirdly, the water body is polluted, and the polluted fish tank water is discharged into the environment to further cause environmental pollution. Therefore, a more environment-friendly physical type insect killing and sterilizing device is needed.
The sound wave insecticidal sterilization is a physical environment-friendly insecticidal sterilization method which is proved to be effective, and the principle is as follows: the ultrasonic waves with a certain frequency range are transmitted in a medium and act on ova, larvae and bacteria, local instantaneous high temperature and temperature alternating change, local instantaneous high pressure and pressure change generated in liquid by utilizing the ultrasonic cavitation effect or the ultrasonic wave with the same or similar resonance frequency as the ova, larvae and bacteria generates resonance to destroy the internal tissues and cell structures of the ova, larvae and bacteria, thereby achieving the aim of killing insects and sterilizing. Compared with the traditional chemical reagent method, the ultrasonic pest killing and sterilizing method has the obvious advantages of environmental protection, no influence on small ecological systems such as fish tanks and the like, no environmental pollution and the like.
Present supersound insecticidal sterilization apparatus is still in research and development, uses the initial stage, does not appear the ultrasonic device that is used for fish bowl insecticidal sterilization specially yet, trades water and can't be difficult to thoroughly get rid of worm's ovum, larva and bacterium, adopts chemical reagent to be difficult to the accurate quantity of holding, can cause healthy influence to biology such as fish simultaneously, and the discharge has the water of chemical reagent also can the polluted environment.
Through the above analysis, the problems and defects of the prior art are as follows:
because no special ultrasonic wave insect killing and sterilizing device specially used for small water bodies such as a fish tank exists, only a part of professionals can realize ultrasonic insect killing and sterilizing of the fish tank through professional equipment, which causes great difficulty in popularization and application of the ultrasonic wave insect killing and sterilizing technology in small containers such as the fish tank, and the ultrasonic wave insect killing and sterilizing technology cannot be practically applied and effectively popularized in the large application field of the small containers such as the fish tank due to the lack of special equipment which is convenient to use.
Disclosure of Invention
The invention aims to provide a water surface suspension type ultrasonic insect killing and sterilizing device, which solves the inherent problems of water body pests and bacteria elimination of small containers such as fish tanks by water change and chemical reagents, and simultaneously provides the ultrasonic insect killing and sterilizing device which is convenient to use and can be popularized and applied in a large scale.
The purpose of the invention is realized by the following technical scheme: a water surface suspension type ultrasonic insect killing and sterilizing device comprises:
the shell is a thin-wall component and is used for mounting components such as an energy converter, a circuit and the like and generating buoyancy to enable the water surface suspended ultrasonic insect killing and sterilizing device to float on the water surface;
the transducer array is composed of underwater acoustic transducer units and is firmly arranged on a protruding plane or a curved surface at the lower part of the machine shell, and the transducer array units are tightly connected with the bottom of the machine shell through a waterproof structure or an adhesive so as to prevent water from leaking into the machine shell;
the driving circuit module is arranged in the shell, is distributed on the shell and is used for generating ultrasonic electric signals and driving the transducer array to generate ultrasonic waves;
the cover plate is a thin shell member fixedly installed on the upper portion of the casing for preventing water from splashing into the casing and dust from entering the casing.
The switch is used for opening or closing the water surface suspension type ultrasonic insect killing and sterilizing device and is installed on the cover plate so as to be convenient for switch operation.
Furthermore, the shell consists of a lower protruding part and an upper cavity, and the shape of the lower protruding part is a hemispherical surface or a semi-cylindrical surface, so that an ultrasonic sound field distributed in all directions underwater can be generated; the transducer array is fixed on the protruding surface, and the volume of the machine shell is adjusted according to the weight of the whole device, so that the lower protrusion of the machine shell is completely submerged in water when the device is used, and at least 2 cm of part of the cavity at the upper part of the machine shell is exposed out of the water; a boss is arranged in the upper cavity and used for installing a driving circuit module, and the driving circuit module can be fixed on the boss in the upper cavity in a screw, bolt or ribbon mode and the like.
Furthermore, the transducer array can be composed of an underwater acoustic transducer, and also can be composed of a plurality of underwater acoustic transducers with different frequency bands; when the underwater acoustic transducer array with a plurality of frequency bands is adopted, the underwater acoustic transducers with different frequency bands are distributed in a mixed mode, and the underwater acoustic transducers with the same frequency band are uniformly distributed on the protruding surface of the lower portion of the machine shell.
Furthermore, the driving circuit module consists of a power supply module, a signal processing module and a power amplification module; the power module can be composed of dry batteries or storage batteries; the signal processing module mainly comprises a nonvolatile memory, a signal processor, a parameter setting wireless module, a DA converter and a frequency divider, and is mainly used for storing an ultrasonic signal digital sequence or parameters, setting the operating parameters of the signal processor, generating an ultrasonic frequency band digital signal, converting the ultrasonic frequency band digital signal into an analog signal through the DA converter, and then amplifying the power by a power amplifier so as to drive an underwater acoustic transducer array connected behind the power amplifier to generate ultrasonic waves in water; when the transducer array is composed of underwater acoustic transducers of a plurality of frequency bands, analog signals output by the DA converter enter the frequency divider set firstly, then are divided into analog electric signals of different frequency bands by the frequency divider, and then are connected with power amplifiers of corresponding frequency bands by the frequency divider set to drive the underwater acoustic transducer set of the corresponding frequency bands to generate ultrasonic waves of the corresponding frequency bands.
Furthermore, the switch is a waterproof switch, is connected to a switch circuit of the drive circuit module through a cable, is mounted on the cover plate through mechanical sealing or bonding of an adhesive, and is used for controlling the start and stop of the circuit part of the device.
By combining the technical scheme and the technical problem to be solved, the technical scheme to be protected by the invention has the advantages and positive effects that:
when the water surface suspension type ultrasonic insect killing and sterilizing device is used, firstly, fish and other animals in small containers such as a fish tank are fished out, then the small containers such as the fish tank are filled with water, then the water surface suspension type ultrasonic insect killing and sterilizing device is placed on the water surface, the device can start to work by opening a switch, when the preset action time is reached, the device automatically stops working, and the fish is fished out and stored. Because the lower part of the shell of the water surface suspension type ultrasonic insect-killing and sterilizing device adopts a semi-sphere or semi-cylinder design, the underwater sound transducer array arranged on the lower part of the shell can generate approximately uniform ultrasonic sound fields in all directions of small open containers such as a fish tank and the like, thereby realizing the comprehensive insect-killing and sterilization of water bodies in the small open containers such as the whole fish tank and the like. Compared with a water changing mode, the water surface suspension type ultrasonic insect killing and sterilizing device can completely kill insects and sterilize without dead angles; compared with the method for putting chemical agents, the water surface suspension type ultrasonic insect-killing and sterilizing device cannot cause potential health hazards to animals such as cultured fishes, cannot pollute water and environment, and is a green and environment-friendly insect-killing and sterilizing means.
The expected income and commercial value after the technical scheme of the invention is converted are as follows: the water surface suspension type ultrasonic insect killing and sterilizing device provides a convenient, green and environment-friendly means for ultrasonic insect killing and sterilization of small containers such as fish tanks, and solves the technical problem that the ultrasonic insect killing and sterilizing technology cannot be effectively applied to the fields with huge demands such as the fish tanks, so that a new market for ultrasonic insect killing and sterilization can be developed, and huge commercial value is generated.
The technical scheme of the invention solves the technical problem that people are eagerly to solve but can not be successfully solved all the time: for a long time, users who breed fish in the room always desire a green and environment-friendly technical means which can realize comprehensive pest cleaning of the fish tank and complete sterilization without dead angles, but does not generate potential health influence on pets such as fish and the like and does not pollute water bodies and the environment, but can not find a technology of this type all the time; meanwhile, ultrasonic deinsectization and sterilization can be realized only by needing professional equipment and people, so that a popular convenient product form cannot appear, and the popularization and the application are slow. The water surface suspension type ultrasonic insect killing and sterilizing device solves the long-term craving problem that users want to kill insects and sterilize small containers such as fish tanks and the like in a green and environment-friendly way, provides a product form for the large-scale practical application of an ultrasonic insect killing and sterilizing technology, and solves the practical problem of the technology.
Drawings
FIG. 1 is a schematic view of the water surface suspension type ultrasonic insect-killing and sterilizing device of the invention used in a fish tank;
FIG. 2 is a system structure diagram of the water surface suspension type ultrasonic insect-killing and sterilizing device of the invention;
FIG. 3 is a structure diagram of a driving circuit module of the water surface suspension type ultrasonic insect-killing and sterilizing device of the invention;
FIG. 4 is a system diagram of a driving circuit module of the water surface suspension type ultrasonic insect-killing and sterilizing device of the invention;
in the figure: 1. a water surface suspension type ultrasonic insect killing and sterilizing device; 11. a cover plate; 12. a housing; 13. a transducer array; 14. a driving circuit module; 141. a power supply module; 142. a signal processing module; 143. a power amplifier module; 144. a loading plate; 15. a waterproof switch; 16. a parameter wireless setting end; 2. small containers such as fish tanks; 3. a body of water.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
The embodiment of the invention provides a water surface suspension type ultrasonic insect killing and sterilizing device, which comprises:
the shell is a thin-wall component and is used for mounting components such as an energy converter, a circuit and the like and generating buoyancy to enable the water surface suspended ultrasonic insect killing and sterilizing device to float on the water surface;
the transducer array is composed of underwater transducer units and is firmly arranged on a raised plane or a curved surface at the lower part of the shell, and the transducer array units are tightly connected with the bottom of the shell through a waterproof structure or an adhesive so as to prevent water from leaking into the shell;
the driving circuit module is arranged in the shell, is distributed on the shell and is used for generating ultrasonic electric signals and driving the transducer array to generate ultrasonic waves;
the cover plate is a thin shell member fixedly installed on the upper portion of the casing for preventing water from splashing into the casing and dust from entering the casing.
The switch is used for turning on or off the water surface suspension type ultrasonic insect killing and sterilizing device and is arranged on the cover plate so as to facilitate the operation of the switch.
The energy converter array takes an underwater acoustic transducer as an array element, the underwater acoustic transducer adopts piezoelectric ceramic or a magnetostrictive transducer, and the underwater acoustic transducer realizes good matching of acoustic impedances of the transducer and a water body through sound-transmitting rubber, so that most of energy emitted by the transducer can enter the water body, and high-efficiency insect killing and sterilization are realized; array elements in the transducer array can be composed of one or more frequency band underwater acoustic transducers, each frequency band underwater acoustic transducer is composed of a group and driven by a power amplifier of a corresponding frequency band, and meanwhile, each frequency band underwater acoustic transducer is uniformly distributed in a protruding surface at the lower part of the shell, and the plurality of frequency band underwater acoustic transducers are distributed and arrayed in a sandwich distribution mode to form the transducer array when coexisting. The transducer array realizes 20-55kHz frequency band coverage through the combination of a plurality of frequency band underwater acoustic transducers, the transducer array is generally divided into 1-n frequency bands which are not more than 8, and each frequency band is driven by a power amplifier of the corresponding frequency band.
The driving circuit module mainly comprises a power supply module, a signal processing module, a power amplification module and a carrying plate. The power module, the signal processing module and the power amplifier module are fixed on the object carrying plate in a fixing mode such as screws or bolts. The object carrying plate is fixedly connected with a boss in a cavity at the upper part of the shell by screws or bolts. The power module can be composed of dry batteries or storage batteries; the signal processing module mainly comprises a nonvolatile memory, a signal processor, a parameter setting wireless module, a DA converter and a frequency divider, and is mainly used for storing an ultrasonic signal digital sequence or parameters, setting the operating parameters of the signal processor, generating an ultrasonic frequency band digital signal, converting the ultrasonic frequency band digital signal into an analog signal through the DA converter, and then amplifying the power by a power amplifier so as to drive an underwater acoustic transducer array connected behind the power amplifier to generate ultrasonic waves in water; when the transducer array is composed of underwater acoustic transducers of a plurality of frequency bands, analog signals output by the DA converter firstly enter the frequency divider set, then are divided into analog electric signals of different frequency bands by the frequency divider, and then are connected with power amplifiers of corresponding frequency bands, so that the underwater acoustic transducer set of the corresponding frequency bands is driven to generate ultrasonic waves of the corresponding frequency bands.
The waterproof switch is connected to a switch circuit of the drive circuit module through a cable and is used for controlling the start and stop of the circuit part of the device; the waterproof switch adopts a goods shelf product, is arranged in the mounting hole on the cover plate, and is arranged in a waterproof and sealed manner with the cover plate in a sealing ring structure or adhesive bonding manner.
The machine shell consists of a lower protruding part and an upper cavity, the lower protruding part is in a hemispherical surface or a semi-cylindrical surface, then the array elements of the transduction array are installed in a tangent mode with the surface, and the array elements are uniformly distributed on the protruding surface, so that the omni-directionality of an ultrasonic sound field in a water body is ensured, the ultrasonic sound field distributed in all directions underwater can be generated, and dead-angle-free insect killing and sterilization are realized. The transducer array is fixed on the protruding surface, and the volume of the machine shell is adjusted according to the weight of the whole device, so that the lower protrusion of the machine shell is completely submerged in water when the device is used, and at least 2 cm of part of the cavity at the upper part of the machine shell is exposed out of the water; a boss is arranged in the upper cavity and used for installing a driving circuit module, and the driving circuit module can be fixed on the boss in the upper cavity in a screw, bolt or ribbon mode and the like.
The cover plate is used for preventing water from splashing and dust from entering the machine shell, and the contact part of the lower inner surface of the cover plate and the machine shell is fixedly connected with the machine shell in any form of fixing modes such as threads, screwing or screwing.
The signal processing module mainly comprises a nonvolatile memory, a signal processor, a parameter setting wireless module, a DA converter and frequency dividers 1-n. The nonvolatile memory generally adopts a flash memory as a device for storing a disinsection sterilization waveform file or a waveform parameter. The signal processor is mainly composed of one or two of a single chip microcomputer, a Digital Signal Processor (DSP), a programmable gate array (FPGA) or an embedded system (ARM), and comprises an internal memory and a basic peripheral circuit, and is used for managing all work tasks of the water surface suspension type ultrasonic insect killing and sterilizing device. The parameter setting wireless module is mainly composed of a Bluetooth module or a wifi module, and is communicated with the parameter wireless setting end in a wireless mode to modify system operation parameters such as operation duration and waveform parameters. The wireless setting end is mainly realized by a mobile phone or a computer with Bluetooth or wifi function. When the signal processor does not obtain the new setting parameters of the parameter setting wireless module, the signal processor operates with the default parameters, otherwise, the signal processor executes the task with the new parameters. After the signal processor arranges tasks through default parameters or newly set parameters, the signal processor transfers waveform files of ultrasonic wave frequency bands required by executing the tasks into a memory, or generates the waveform files according to the waveform parameters, and then sends digital sequences in the waveform files to a DA converter connected behind the waveform files to be converted into analog electric signals.
The power amplifier module is connected with the transducer array; when the transducer array is composed of a single-frequency-band underwater acoustic transducer, the power amplifier module is only provided with a power amplifier corresponding to the frequency band, and simultaneously analog electric signals output by the DA converter are directly input into the power amplifier module without a frequency divider module; when the transducer array is composed of 1-n frequency band underwater acoustic transducer groups, the power amplifier module is composed of 1-n power amplifiers corresponding to 1-n frequency bands, the frequency divider is composed of 1-n frequency dividers corresponding to 1-n frequency bands, analog electric signals output by the DA converter firstly enter the frequency dividers 1-n, the frequency dividers 1-n frequency division filter form 1-n frequency band electric signals, and the 1-n frequency band electric signals are respectively sent to the power amplifiers 1-n of the corresponding frequency bands to realize power amplification. The power amplifier in the power amplifier module can be formed by any power amplifier such as D, T, E and the like so as to ensure higher amplification efficiency.
This section is an explanatory embodiment expanding on the claims so as to fully understand how the present invention is embodied by those skilled in the art.
Fig. 1 shows a schematic diagram of the water surface suspension type ultrasonic insect killing and sterilizing device used in a fish tank. Before the water surface suspension type ultrasonic insect-killing and sterilizing device 1 is used, fish and other animals in the fish tank 2 are fished out, then the fish tank 2 is filled with water, and the water surface suspension type ultrasonic insect-killing and sterilizing device 1 is placed in the middle of the surface of a water body 3 in the fish tank 2 and is suspended on the water surface; next, turning on a waterproof switch on the water surface suspension type ultrasonic insect-killing and sterilizing device 1 to enable the device to start working, and starting to transmit ultrasonic waves of a certain fixed frequency or a certain frequency band frequency sweep within a 20-55kHz frequency band to the water body 3 in an omnidirectional manner; when the default working time (generally about 3 minutes) or the working time set by the user (generally more than 3 minutes) is reached, the device stops working, and the user can take out the device and store the device for next use. Because the lower part of the shell of the water surface suspension type ultrasonic insect-killing and sterilizing device 1 is convexly designed by adopting a hemispherical surface, the underwater sound transducer array distributed on the water surface can generate an omnidirectional half-space ultrasonic sound field below the water surface, and the effect of no dead angle ultrasonic waves is realized in the whole water body 3 through the reflection effect of the inner wall of the fish tank 2, thereby conveniently realizing the comprehensive insect-killing and sterilizing of the whole fish tank.
Fig. 2 shows a system structure diagram of the water surface suspension type ultrasonic insect killing and sterilizing device. A water surface suspension type ultrasonic insect killing and sterilizing device 1 comprises a cover plate 11, a shell 12, a transducer array 13, a driving circuit module 14 and a waterproof switch 15. The cover plate 11 is used to prevent water and dust from entering the casing, so that the cover plate 11 and the casing 12 are fixedly connected through any one of fixing methods such as screwing, screwing or bolting through the contact part of the lower inner surface of the cover plate and the casing 12. The lower protruding part of the casing 12 is designed to be a semi-spherical surface or a semi-cylindrical surface curved surface, then the array elements of the transducer array 13 are installed in a tangent mode with the surface, and the array elements are evenly distributed on the protruding surface, so that the omnidirectionality of the ultrasonic sound field in the water body 3 is guaranteed, and dead-corner-free insect killing and sterilization are achieved. The transducer array 13 uses an underwater acoustic transducer as an array element, the underwater acoustic transducer generally adopts piezoelectric ceramic or a magnetostrictive transducer, and because the underwater acoustic transducer realizes good matching of acoustic impedances of the transducer and a water body through sound-transmitting rubber, most of energy emitted by the transducer can enter the water body 3, so that high-efficiency disinsection and sterilization are realized; the array elements in the transducer array 13 can be composed of one or more frequency band underwater acoustic transducers, each frequency band underwater acoustic transducer is composed of a group and is driven by a power amplifier of a corresponding frequency band, meanwhile, each frequency band underwater acoustic transducer is uniformly distributed in a protruding surface at the lower part of the shell, and the plurality of frequency band underwater acoustic transducers are distributed and arrayed in a sandwich distribution mode to form the transducer array 13 when coexisting. The transducer 13 is configured to implement 20-55kHz coverage by combining a plurality of underwater acoustic transducers, and is generally divided into 1-n frequency bands not greater than 8, where each frequency band is driven by a power amplifier of the corresponding frequency band. The driving circuit module 14 is installed on a boss in a cavity at the upper part of the shell, is fixedly connected with the boss by adopting a screw or a bolt, has the functions of controlling the working process of the water surface suspension type ultrasonic insect-killing and sterilizing device 1, generating analog electric signals for driving the transducer array 13 to work, inputting the analog electric signals into the driving transducer array 13 through a cable, and enabling the analog electric signals to generate ultrasonic signals to be transmitted into the water body 3. The waterproof switch 15 is a shelf product, is mounted in a mounting hole in the upper surface of the cover plate 11, and is mounted in a waterproof and sealed manner with the cover plate 11 by a sealing ring structure or an adhesive bonding manner. The waterproof switch 15 is connected to a power switch circuit in the driving circuit module 14, so that the control of the start and stop of the operation of the water surface suspension type ultrasonic insect-killing and sterilizing device 1 is realized through the switch.
Fig. 3 shows a structure diagram of a driving circuit module of the water surface suspension type ultrasonic insect-killing and sterilizing device. The driving circuit module 14 mainly comprises a power module 141, a signal processing module 142, a power amplifier module 143, and a loading board 144. The power module 141, the signal processing module 142, and the power amplifier module 143 are fixed to the carrier plate 144 in a fixing manner such as screws or bolts. The carrier plate 144 is fixedly coupled to the boss in the upper cavity of the housing by screws or bolts. The power module 141 is constituted by dry batteries or secondary batteries, which are mainly rechargeable lithium batteries. The power supply 141 supplies power to the signal processing module 142 and the power amplifier module 143. After the signal processing module 142 generates an ultrasonic band analog electric signal, the ultrasonic band analog electric signal is input to the power amplification module 143 for amplification, and the power amplification module 143 drives the transducer array 13 to generate an omnidirectional ultrasonic sound field in the water body 3, so as to perform insect killing and sterilization treatment in the fish tank.
Fig. 4 shows a system diagram of a driving circuit module of the water surface suspension type ultrasonic insect killing and sterilizing device. The driving circuit module 14 is composed of a power module 141, a signal processing module 142, a power amplifier module 143, and a carrier plate 144. The waterproof switch 15 is connected to the switch circuit of the power module 141 for controlling the start and stop of the operation of the water surface suspension type ultrasonic insect-killing and sterilizing device 1. The power supply module 141 supplies power to the signal processing module 142 and the power amplifier module 143. The signal processing module 142 is mainly composed of a nonvolatile memory, a signal processor, a parameter setting wireless module, a DA converter, and frequency dividers 1 to n. The nonvolatile memory generally adopts a flash memory as a device for storing a disinsection sterilization waveform file or a waveform parameter. The signal processor is mainly composed of one or two of a single chip microcomputer, a Digital Signal Processor (DSP), a programmable gate array (FPGA) or an embedded system (ARM), and comprises an internal memory and a basic peripheral circuit, and is used for managing each work task of the water surface suspension type ultrasonic insect killing and sterilizing device 1. The parameter setting wireless module is mainly composed of a bluetooth module or a wifi module, and communicates with the parameter wireless setting terminal 16 in a wireless manner to modify system operation parameters, such as operation duration and waveform parameters. The wireless setting terminal 16 is mainly realized by a mobile phone or a computer with Bluetooth or wifi function. When the signal processor does not obtain the new setting parameters of the parameter setting wireless module, the wireless module runs with the default parameters, otherwise, the signal processor executes the task with the new parameters. After the signal processor arranges tasks according to default parameters or newly set parameters, the signal processor transfers a waveform file of an ultrasonic frequency range required by the execution of the tasks into a memory, or generates the waveform file according to the waveform parameters, and then sends a digital sequence in the waveform file to a DA converter connected behind the digital sequence to be converted into an analog electric signal.
The transducer 13 is connected behind the power amplifier module 143. When the transducer array 13 is composed of a single-frequency-band underwater acoustic transducer, the power amplifier module 143 is configured with only one power amplifier corresponding to the frequency band, and the analog electric signal output by the DA converter is directly input into the power amplifier module 143 without a frequency divider module; when the transducer array 13 is composed of 1-n frequency band underwater acoustic transducer groups, the power amplifier module is composed of 1-n power amplifiers corresponding to 1-n frequency bands, the frequency divider is composed of 1-n frequency dividers corresponding to 1-n frequency bands, analog electric signals output by the DA converter firstly enter the frequency dividers 1-n, the frequency dividers 1-n divide and filter the electric signals to form 1-n frequency bands, and the electric signals are respectively sent to the power amplifiers 1-n of the corresponding frequency bands to realize power amplification. The power amplifier in the power amplifier module 143 may be formed by any type of power amplifier, such as D, T, E, etc., to ensure higher amplification efficiency.
While the invention has been described with reference to specific embodiments, any feature disclosed in this specification may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise; all of the disclosed features, or all of the method process steps, may be combined in any manner, except for mutually exclusive features and/or steps.
Claims (10)
1. A floated supersound insecticidal sterilization apparatus in surface of water, its characterized in that includes:
the shell is used for installing components such as an energy converter, a circuit and the like and generating buoyancy to enable the water surface suspension type ultrasonic insect killing and sterilizing device to float on the water surface;
the transducer array is composed of underwater acoustic transducer units and is firmly arranged on a protruding plane or a curved surface at the lower part of the casing, and the transducer array units are tightly connected with the bottom of the casing through a waterproof structure or an adhesive;
the driving circuit module is arranged in the shell, is distributed on the shell and is used for generating ultrasonic electric signals and driving the transducer array to generate ultrasonic waves;
the cover plate is fixedly arranged on the upper part of the machine shell and is used for preventing water from splashing into the machine shell and preventing dust from entering the machine shell;
the switch is used for turning on or off the water surface suspension type ultrasonic insect killing and sterilizing device and is arranged on the cover plate.
2. The ultrasonic pest killing and sterilizing device of claim 1, wherein the transducer array is an underwater acoustic transducer, and the underwater acoustic transducer is a piezoelectric ceramic or magnetostrictive transducer;
array elements in the transducer array can be composed of one or more frequency band underwater acoustic transducers, each frequency band underwater acoustic transducer is composed of a group and is driven by a power amplifier of a corresponding frequency band, meanwhile, each frequency band underwater acoustic transducer is uniformly distributed in a protruding surface at the lower part of the shell, and when the plurality of frequency band underwater acoustic transducers coexist, the plurality of frequency band underwater acoustic transducers are distributed in an interlayer distribution form to form the transducer array;
the transducer array realizes 20-55kHz frequency band coverage through the combination of a plurality of frequency band underwater acoustic transducers, the transducer array is generally divided into 1-n frequency bands which are not more than 8, and each frequency band is driven by a power amplifier of the corresponding frequency band.
3. The ultrasonic insect killing and sterilizing device of claim 1, wherein the driving circuit module mainly comprises a power supply module, a signal processing module, a power amplification module and a carrying plate;
the power module, the signal processing module and the power amplifier module are fixed on the carrying plate in a screw or bolt fixing mode; the object carrying plate is fixedly connected with a boss in a cavity at the upper part of the shell by screws or bolts; the power module can be composed of dry batteries or storage batteries; the signal processing module mainly comprises a nonvolatile memory, a signal processor, a parameter setting wireless module, a DA converter and a frequency divider, and is mainly used for storing an ultrasonic signal digital sequence or parameters, setting the operating parameters of the signal processor, generating an ultrasonic frequency band digital signal, converting the ultrasonic frequency band digital signal into an analog signal through the DA converter, and then amplifying the power by a power amplifier so as to drive an underwater acoustic transducer array connected behind the power amplifier to generate ultrasonic waves in water;
when the transducer array is composed of underwater acoustic transducers of a plurality of frequency bands, analog signals output by the DA converter firstly enter the frequency divider set, then are divided into analog electric signals of different frequency bands by the frequency divider, and then are connected with power amplifiers of corresponding frequency bands, so that the underwater acoustic transducer set of the corresponding frequency bands is driven to generate ultrasonic waves of the corresponding frequency bands.
4. The ultrasonic insect killing and sterilizing device of claim 1, wherein the waterproof switch is connected to a switch circuit of the driving circuit module by a cable and is used for controlling the start and stop of the operation of the circuit part of the device; the waterproof switch adopts a goods shelf product, is arranged in the mounting hole on the cover plate, and is arranged in a waterproof and sealed way with the cover plate by a sealing ring structure or a bonding way of a bonding agent.
5. The ultrasonic insect killing and sterilizing device as claimed in claim 1, wherein the housing is composed of a lower protruding part and an upper cavity, the lower protruding part is a hemispherical surface or a semi-cylindrical surface, then the array elements of the transduction array are tangentially mounted to the surface and uniformly distributed on the protruding surface, so as to ensure the omnidirectionality of the ultrasonic sound field in the water body;
the transducer array is fixed on the protruding surface, and the volume of the machine shell is adjusted according to the weight of the whole device, so that the lower protruding part of the machine shell is completely submerged in water when the device is used, and at least 2 cm of part of the upper cavity of the machine shell is exposed out of the water;
a boss is arranged in the upper cavity and used for installing a driving circuit module, and the driving circuit module can be fixed on the boss in the upper cavity through screws, bolts, bands and the like.
6. The ultrasonic insect-killing and sterilizing device as claimed in claim 1, wherein the cover plate is used for preventing water and dust from entering the casing, and the contact part of the lower inner surface of the cover plate and the casing is fixedly connected with the casing by any one of the fixing modes such as screw threads, screws or upper bolts.
7. The ultrasonic insect killing and sterilizing device as claimed in claim 1, wherein the signal processing module mainly comprises a nonvolatile memory, a signal processor, a parameter setting wireless module, a DA converter and frequency dividers 1-n. The nonvolatile memory generally adopts a flash memory as a device for storing a disinsection sterilization waveform file or a waveform parameter.
8. The ultrasonic insect-killing and sterilizing device of claim 7, wherein the signal processor is mainly composed of one or two of a single chip microcomputer, a Digital Signal Processor (DSP), a programmable gate array (FPGA) or an embedded system (ARM), and comprises a memory and a basic peripheral circuit, and is used for managing all work tasks of the water surface suspension type ultrasonic insect-killing and sterilizing device;
the parameter setting wireless module is mainly composed of a Bluetooth module or a wifi module and is communicated with a parameter wireless setting end in a wireless mode to realize system operation parameters.
9. The ultrasonic insect killing and sterilizing device of claim 8, wherein the wireless setting end is mainly realized by a mobile phone or a computer with Bluetooth or wifi function. When the signal processor does not obtain the new setting parameters of the parameter setting wireless module, the signal processor operates with the default parameters, otherwise, the signal processor executes the task with the new parameters. After the signal processor arranges tasks through default parameters or newly set parameters, the signal processor transfers waveform files of ultrasonic wave frequency bands required by executing the tasks into a memory, or generates the waveform files according to the waveform parameters, and then sends digital sequences in the waveform files to a DA converter connected behind the waveform files to be converted into analog electric signals.
10. The ultrasonic insect killing and sterilizing device of claim 1, wherein the power amplifier module is connected with a transducer array; when the transducer array is composed of a single-frequency-band underwater acoustic transducer, the power amplifier module is only configured with a power amplifier corresponding to the frequency band, and simultaneously, the analog electric signal output by the DA converter is directly input into the power amplifier module; when the transducer array is composed of 1-n frequency band underwater acoustic transducer groups, the power amplifier module is composed of 1-n power amplifiers corresponding to 1-n frequency bands, the frequency divider is composed of 1-n frequency dividers corresponding to 1-n frequency bands, analog electric signals output by the DA converter firstly enter the frequency dividers 1-n, the frequency dividers 1-n carry out frequency division filtering to form 1-n frequency band electric signals, and the 1-n frequency band electric signals are respectively sent to the power amplifiers 1-n of the corresponding frequency bands to realize power amplification. The power amplifier in the power amplifier module can be composed of any power amplifier such as D, T, E and the like.
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