CN211458665U - Bee mite remover - Google Patents
Bee mite remover Download PDFInfo
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- CN211458665U CN211458665U CN201921833451.8U CN201921833451U CN211458665U CN 211458665 U CN211458665 U CN 211458665U CN 201921833451 U CN201921833451 U CN 201921833451U CN 211458665 U CN211458665 U CN 211458665U
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/16—Scaring or repelling devices, e.g. bird-scaring apparatus using sound waves
- A01M29/18—Scaring or repelling devices, e.g. bird-scaring apparatus using sound waves using ultrasonic signals
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Abstract
The utility model discloses a bee mite remover, its characterized in that: a plurality of ultrasonic transducer arrange with the array mode on one or more insulating base plates, the utility model discloses utilize the sound wave vibrations to shake down bee mite, realize getting rid of the effect of bee mite on one's body. And a plurality of ultrasonic transducers with smaller power are used for replacing a high-power ultrasonic generator, so that the overall cost is reduced.
Description
Technical Field
The utility model relates to a remove mite ware, concretely relates to sound wave bee mite remover.
Background
The principle of mite remover utilizes the very sensitive characteristic of mite to the ultrasonic wave of specific frequency, and the ultrasonic wave of specific frequency can make mite's physiology system disorder, and is irritated restlessly, finally dies gradually to CN207252660U discloses a portable mite remover, and this mite remover utilizes the ultrasonic wave of multifrequency ultrasonic pulse generator production different frequencies that sets up on the mainboard, drive ultrasonic transducer after the ultrasonic wave of its output is enlargied by power amplification drive circuit, realizes ultrasonic radiation output by ultrasonic transducer's alternating current drive. However, the coverage area of the single ultrasonic transducer is limited, dead angles are easy to occur in the mite removing process, the mite removing effect is poor, the problem of power consumption increase can be caused by the fact that the power amplification driving circuit is used for amplifying ultrasonic waves, and bee mites parasitizing on bees can not be removed by the mite remover.
Therefore, there is an urgent need for a mite killer which amplifies ultrasonic waves and has low power consumption and can remove bee mites.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a consumption is less when enlargiing the ultrasonic wave, can effectively get rid of the bee mite remover of bee mite.
On the one hand, the utility model provides a bee mite remover, its characterized in that: the bee mite remover comprises an ultrasonic transducer, and the amplitude of ultrasonic waves emitted by the ultrasonic transducer can separate bee mites parasitizing on bees from the bees; or the amplitude of the ultrasonic wave emitted by the ultrasonic transducer can separate bee mites on the bee nest from the bee nest.
In some preferred modes, the mite remover comprises a plurality of ultrasonic transducers, the amplitudes of the ultrasonic waves emitted by part or all of the ultrasonic transducers can be partially overlapped or completely overlapped, and the overlapped amplitudes can separate the bee mites parasitizing on the bees from the bees; or the superimposed amplitudes can separate the bee mites on the bee nest from the bee nest.
In some preferred forms, the plurality includes 2 or more than 2.
The separation means that the bee mites on the bees are shaken off by ultrasonic waves with certain amplitude emitted by a plurality of ultrasonic transducers; or ultrasonic waves with certain amplitude emitted by a plurality of ultrasonic transducers shake down the bee mites on the honeycomb.
In some preferred modes, the amplitudes of the ultrasonic waves emitted by part or all of the ultrasonic transducers are the same, the frequencies are the same, and the phase difference is zero. That is, the phases of the ultrasonic waves emitted by some or all of the plurality of ultrasonic transducers are the same.
In some modes, the frequencies of the ultrasonic waves emitted by part or all of the ultrasonic transducers are the same, the amplitudes of the ultrasonic waves are the same, and the phase difference satisfies the condition that
The phase difference satisfies
It means that the phases of the ultrasonic waves emitted by the ultrasonic transducers are not exactly the same, but in some places, the amplitudes may be superimposed to achieve an increase in energy.
In some preferred modes, the ultrasonic waves emitted by part or all of the ultrasonic transducers have the same frequency and different amplitudes, but the amplitudes can be superposed, the superposed amplitude is larger than the amplitude of the ultrasonic wave emitted by a single ultrasonic transducer, and the superposed acoustic vibration energy is larger than the energy of the ultrasonic wave emitted by a single ultrasonic transducer.
In some preferred modes, the ultrasonic waves emitted by part or all of the plurality of ultrasonic transducers are different in frequency.
In some embodiments, the bee mites are bee mites parasitic on the adult honey, or bee mites on the bee hive.
Bee mites, arthropods, and subphyla of chelidans, parasitize on larvae, pupae, and adult bee bodies of bees to absorb hemolymph, which results in shortened bee life, decreased collection ability, and influence on bee product yield. Bee mites breed in honeycomb cells and breed in uncovered larval cells, and larval and pupal mass death occurs in bee colonies with serious damage. The incomplete young bees which newly feather out of the hive are incomplete, and the colony situation is rapidly weakened.
Bee mite development is divided into 3 stages. I.e. eggs, nymphs and adult mites, the eggs being rounded. Female mites can lay two kinds of eggs, one is an egg with limbs and 0.65 mm X45 mm. One is the non-limb egg, smaller individual, gradually becoming yellow, dry and dead. The female mites started to lay limb eggs 60 hours after the larvae were covered, the eggs were white, and embryos were visible in the thin egg membranes, which are shaped like a tight fist.
The nymphs are classified into early nymphs and later nymphs. The mites in the early stage are oval, white and transparent, and have 4 pairs of feet, the size is 0.7 mm multiplied by 0.8 mm, the ventral surface is provided with an anal plate, and the trachea is immature. The feet are in a horn shape, and the tarsal node is provided with a small sucking disc. The size of the mite at the early stage of the male is 0.62.74 mm multiplied by 0.58-0.69 mm, the appearance of the anal plate is hard, and the trachea and the feet are the same as those of the female mite. The later female nymphs are egg-shaped with the size of 0.9-1.1 mm multiplied by 1.l 4-1.6 mm, and the sclerotization of the backboard is obvious. The later stage mites of the male are round, the size is 0.74-0.88 mm multiplied by 0.7-0.8 mm, and 4 pairs of feet are provided.
Female adult mites, tan, were covered by a whole cornified back plate with a net pattern. Some male mite back boards are provided with black spots, dense setae are covered on the back boards, the bodies are oval, and the sizes of the bodies are 1.44 mm multiplied by 1.73 mm; the male adult mite is oval and light yellow, has less bone, size of 0.89 mm × 0.73 mm, heals the back plate and the web plate, has movable limbs on the tentacle, becomes a concave appendage, has a small end spoon shape, and is suitable for transmitting semen. The lower part of the oral appliance is sexual organ, each bone plate on the ventral surface is not obvious except the anal plate, the front anal area of the ventral surface has more bristles, and the bristles on the rear part of the body are thicker.
The mites of the human body are mainly divided into hair follicle mites and sebaceous gland mites, the mites are parasitic in the hair follicles and sebaceous glands of the human body, and the size of female mites is 0.3-0.5 multiplied by 0.25-0.4 mm; the size of the male mites is 0.2-0.3 multiplied by 0.15-0.2 mm. The existing mite removing technology is mainly used for shaking off mites by mechanically vibrating skin contact objects such as bed sheets and clothes, killing the mites on the skin contact objects by ultraviolet rays or inhibiting the growth of the mites by specific ultrasonic frequency. However, the bee mites on the bees cannot be removed through mechanical vibration, the ultraviolet ray can damage the bees, the ultrasonic wave can inhibit the growth of hair follicle mites and sebaceous gland mites parasitizing on the human body, but no research shows that the specific ultrasonic frequency can inhibit the growth of the bee mites, and the common technology for preventing and controlling the bee mites is drug killing, so that the defect of great pollution exists.
Sound is essentially a wave that is a propagation of vibration in a medium, and the transfer of this vibrational energy is the nature of acoustic wave transfer. The acoustic vibration energy includes two aspects, one is to make the medium particle vibrate back and forth near the equilibrium position, i.e. the medium has vibration kinetic energy, and the other is the deformation potential energy of the medium generated by the expansion and compression process in the medium.
The pressure at which the atmosphere is at rest is atmospheric pressure. When sound waves exist, the local air pressure is compressed or expanded, the pressure is increased at the compressed position, the pressure is reduced at the expanded position, and thus, the original atmospheric pressure is added with a pressure fluctuation. This pressure fluctuation is caused by the action of sound waves and is called sound pressure, indicated by the symbol P. It is possible that this pressure variation causes the mites parasitizing on the bees to be subjected to different pressures, with a pressure difference, and thus with a force that lets the mites escape from the bees. The source of this force is the energy or amplitude of the sound waves. When letting the mite shake off or after shaking off, have the sound wave of high-frequency, can kill the mite simultaneously.
The space with sound pressure is called sound field, the sound pressure value of a certain moment in the sound field is called instant sound pressure, and the root mean square value of the instant sound pressure in a certain time interval T is called effective sound pressure PeExpressed by the following formula:
wherein, PaFor the amplitude of sound pressure, we take a small enough volume element in the sound field, the volume is V0When the sound pressure is P, the density is ρ, the motion velocity of the volume element is v, and c is a constant, the kinetic energy generated by the sound wave disturbance is:
the potential energy generated by the acoustic wave disturbance is:
wherein the negative sign indicates that the volume element decreases in volume and increases in potential energy when compressed and vice versa when expanded. Therefore, the acoustic vibration energy is the sum of kinetic energy and potential energy:
the instantaneous acoustic energy density ξ can be obtained from the above formulaiIn units of joules/meter
If ξ should beiAveraging over one period to obtain a time average of the acoustic energy density, denoted by ξ, has:
the time average value of the sound energy density represents the sound vibration energy of a certain point of a sound field in a unit volume within a certain time, and the quantity can be used for evaluating the vibration energy generated by a row of sound waves at the certain point.
In a same sound field, bees and mites on the bees are simultaneously subjected to vibration of ultrasonic waves emitted by the ultrasonic transducers, however, the bees are much larger in volume compared with the bee mites, and cannot be regarded as a small enough volume element in the sound field, so that the vibration of the sound field on the bees cannot be evaluated through a sound vibration energy formula. Therefore, a sound field that just shakes the mites off is negligible for the vibrations produced by the bees.
It can be seen from the foregoing that the volume of the bee mite is much larger than that of the human body mite, and for the human body mite, because the bee mite parasitizes in hair follicles and glands, the bee mite cannot be separated from the human body by vibration, and the volume is small, and as can be seen from the sound vibration energy formula, the smaller the volume is, the smaller the sound vibration energy is, and therefore, the human body mite is separated from the human body without adopting a mode of generating vibration by sound waves,
for bee mites, the bee mites parasitize on the body surface of bees and have larger volume, and under the condition of the same sound pressure and density, the bee mites have larger sound vibration energy and can be separated from the bees in a mode of generating vibration by sound waves; meanwhile, as the bee mites propagate in the honeycomb cells, the bee mites can also climb around the surface of the honeycomb in a mess, and the bee mites and the honeycomb can be separated by generating vibration through sound waves.
In a same sound field, the bees and the bee mites on the bees are simultaneously subjected to the vibration of the ultrasonic waves emitted by the ultrasonic transducer, however, the bees are much larger in volume compared with the bee mites, and cannot be regarded as a small enough volume element in the sound field, so that the vibration of the sound field to the bees cannot be evaluated through a sound vibration energy formula. Therefore, a sound field that just shakes the mites off is negligible for the vibrations produced by the bees.
The utility model discloses a plurality of ultrasonic transducer produce the great ultrasonic wave of amplitude, produce the vibration through the ultrasonic wave and shake the bee mite that falls attached to on one's body the honeybee. The reason why the conventional mite removers can only remove mites on humans or mammals but not on bees, particularly on bee adults, can be explained as above.
The honeybee is mainly in the beehive on the vertical frame that inserts in the beehive moves about, and the ultrasonic wave spreads into from the beehive door, produces the vibration to the bee mite on the honeybee, and the bee mite drops to the beehive bottom, sweeps away the bee mite when bee-keeping person clears up the beehive, reaches the purpose of getting rid of the bee mite.
Phase is the position in its cycle for a wave at a particular instant in time, a scale of whether it is at a peak, trough or some point in between.
When a certain position in the sound field receives sound waves transmitted from two sound sources at the same time, the two rows of sound waves have the same frequency, an interference phenomenon can be generated, and the condition of the superposed sound field depends on the phase positions of the two rows of sound waves. If two rows of sound waves reaching the receiving point have the same sound pressure amplitude paWith a fixed phase difference of
The sound pressure of the first row of sound waves is denoted p1The sound pressure of the second column of sound waves is denoted as p2Then there are:
p1＝pasin wt
wherein w is the vibration frequency of the sound wave,
phase difference of two lines of sound waves
According to the superposition principle, the resultant sound pressure at this point is
From the above formula, the synthetic sound pressure p at this pointdSound pressure amplitude of
When the phase difference of two lines of sound waves
Time, synthetic sound pressure pdSound pressure amplitude of 2p a2 times the amplitude of the sound pressure of the single train wave, at which point the synthetic sound pressure p is presentdThe time average of the acoustic energy density of (a) is 4 times that of the single train of waves. The utility model discloses not only utilize the ultrasonic wave to produce the vibration of high frequency, still utilize the ultrasonic wave production sound wave of a plurality of the same phase positions to interfere, increase ultrasonic acoustic vibration energy, can see out by the aforesaid, the time average value of the acoustic energy density that two phase positions are the same produces in a bit department is 4 times of a sound wave alone, this conclusion also can promote the condition that exists simultaneously to multiseriate sound wave simultaneously.
When the phase difference of the two rows of sound waves is between 0 and pi, in order to enable the time average value of the sound energy density of the sound waves after being superposed at the point to be larger than that of the sound waves of a single row, the phase difference of the two rows of sound waves must meet the following conditions:
namely:
the conclusion can also be generalized to the case where multiple rows of sound waves exist simultaneously.
For the superposition of two rows of multi-frequency sound waves or irregular noise, a specific expression after sound pressure superposition is difficult to obtain, and the root mean square value of the sound pressure after superposition is calculated from the angle of energy addition as follows:
wherein p iseIs the root mean square value of the sound pressure, p, of the sound wave after superposition1eRoot mean square value of sound pressure, p, of the first row of sound waves2eIs the root mean square value of the sound pressure of the second row of sound waves.
The root mean square value p of the sound pressure after the superposition of the two rows of sound waves can be seen from the formulaeIs greater than the root mean square value p of sound pressure of a single row of sound waves1eThat is, the time average of the acoustic energy density at the point after the two rows of sound waves are superimposed is greater than the time average of the acoustic energy density of a single row of sound waves, and the conclusion can also be generalized to the case where multiple rows of sound waves exist simultaneously, so that the time average of the acoustic energy density generated at a point by multiple ultrasonic waves with different frequencies is greater than the time average of the acoustic energy density generated by a single row of sound waves.
The ultrasonic transducer that prior art used an more ultrasonic wave transducer to improve the power of ultrasonic wave through power amplifier circuit, single high-power ultrasonic transducer can reach 2000 watts and above, make to single ultrasonic transducer performance requirement high, make use cost big, this utility model replaces a high-power ultrasonic transducer for the less ultrasonic transducer of a plurality of powers, and low-power ultrasonic transducer power is 3 watts, and voltage is 12-30 volts. When the phases of a plurality of ultrasonic transducers with smaller power are the same, the time average value of the sound energy density of the superposed ultrasonic wave at a certain point of a sound field can be equal to or larger than the time average value of the sound energy density of one high-power ultrasonic transducer at the point. Similarly, the phase difference satisfies the condition that the amplitudes are the same for a plurality of frequencies
The time average value of the sound energy density of the superposed ultrasonic wave at a certain point of the sound field can be equal to or larger than the time average value of the sound energy density of one high-power ultrasonic transducer at the point; for a plurality of ultrasonic waves having the same frequency, different amplitudes, and a phase difference of 0, the synthesized sound pressure at this point is (p)a1+pa2) sin wt, wherein the amplitude of the synthetic sound pressure is pa1+pa2Greater than the sound pressure amplitude p of a single train of sound wavesa1Or p isa2Therefore, for a plurality of ultrasonic waves with the same frequency and different amplitudes, the time average value of the sound energy density of the superposed ultrasonic wave at a certain point of a sound field is equal to or larger than the time average value of the sound energy density of one high-power ultrasonic transducer at the point.
We utilize a plurality of ultrasonic transducer to produce the stack of sound wave, increase the sound vibration energy of ultrasonic wave, compare with using a powerful ultrasonic transducer, a plurality of ultrasonic transducer can be without the limited stack under the condition that does not change ultrasonic transducer performance, increase the sound vibration energy, it falls down to enough shaking of sound vibration energy bee mite, compare with the performance that improves an ultrasonic transducer, the cost is lower, simultaneously because a plurality of ultrasonic transducer disperse to a plurality of insulating base plates, can use the less power of a plurality of powers to supply power respectively to a plurality of insulating base plates, it is lower to the power performance requirement, the power supply mode is more nimble.
In some approaches, a plurality of ultrasonic transducers are arranged in an array on one or more insulating substrates.
The substrate is used as a carrier of the ultrasonic transducers and the conductive circuit, so that the amplitudes of the ultrasonic waves emitted by part or all of the ultrasonic transducers are partially or completely superposed; wherein the substrate is insulating and the circuit is conductive; or the substrate is conductive, the inside of the circuit is made of conductive materials, and the outside of the circuit is wrapped by insulating materials and fixed on the substrate. In some embodiments, the plurality of ultrasonic transducers are vertically arranged on multiple sides or the same side of the insulating substrate.
The array refers to an arrangement mode which can enable the amplitudes of the ultrasonic waves emitted by part or all of the ultrasonic transducers to be partially or completely superposed; the array of ultrasonic transducers is various, and the array can be arranged vertically in a column, as shown in fig. 13; or may be arranged in a matrix, as shown in fig. 14; or may be arranged in a circular ring shape, as shown in FIG. 15; or may be arranged in a serpentine pattern, as shown in FIG. 16; the arrangement mode is various, can make the partial or whole amplitude part superposes or all superposes of the ultrasonic wave that sends of a plurality of ultrasonic transducer, and these arrangement modes are all in the protection scope of the utility model.
The combination of one or more insulated substrates, each of which has a plurality of ultrasonic transducers arranged thereon, and each of the insulated substrates, the ultrasonic transducers may be arranged on one side of the insulated substrate or on both sides of the insulated substrate, is diversified, and only the amplitudes of the sound waves emitted from the ultrasonic transducers on one side of the insulated substrate may be superimposed.
In some modes, a conductive circuit formed by a conductive material is arranged on an insulating substrate, and the plurality of ultrasonic transducers are connected with each other through the conductive circuit.
In some approaches, the ultrasonic transducers are connected in parallel on an insulated substrate by conductive circuitry.
All the ultrasonic transducers are connected in parallel, the voltages at two ends of the ultrasonic transducers are equal, the requirement on the power supply voltage is low, meanwhile, the fault tolerance rate of the parallel connection is high, and even if one ultrasonic transducer is disconnected, the work of other ultrasonic transducers cannot be influenced. The best connection mode is that the ultrasonic transducers are partially connected in parallel and partially connected in series; or all the ultrasonic transducers are connected in series; the connection mode of ultrasonic transducer is diversified, can make the partial or whole amplitude part stack or the whole stack of the ultrasonic wave that sends of a plurality of ultrasonic transducer can, these arrangement all are in the utility model discloses a protection scope.
In some embodiments, all or some of the ultrasonic transducers have their anodes connected to each other by a conductive circuit, and all or some of the ultrasonic transducers have their cathodes connected to each other by a conductive circuit.
One circuit of the conductive circuit connects the cathodes of all the ultrasonic transducers together, the other circuit connects the anodes of all the ultrasonic transducers together, the two circuits are respectively provided with a through hole, and the through holes can be respectively welded with leads and connected to the mainboard.
In some approaches, the conductive circuit is connected to an insulated motherboard.
The insulated main board is used as a carrier of the conductive power circuit, the conductive ultrasonic power amplifying circuit and the conductive ultrasonic generator, so that the amplitudes of the ultrasonic waves emitted by part or all of the ultrasonic transducers are partially or completely superposed; the ultrasonic generator generates high-frequency alternating current signals matched with the ultrasonic transducers, so that the amplitudes of the ultrasonic waves emitted by part or all of the ultrasonic transducers are partially or completely superposed; the ultrasonic power amplifying circuit is used for amplifying the high-frequency alternating current signal generated by the ultrasonic generator.
In some modes, an insulating main board is provided, a power circuit, an ultrasonic power amplification circuit and an ultrasonic generator are arranged on the insulating main board, the power circuit is connected to the ultrasonic power amplification circuit, the output end of the ultrasonic generator is connected with the input end of the ultrasonic power amplification circuit, the output end of the ultrasonic power amplification circuit is connected with the input end of the conductive circuit, the power circuit is connected with a power supply, and the rated power of the power supply is enough to enable sound waves emitted by the ultrasonic transducer to separate bee mites parasitizing on bees from the bee mites, or separate the bee mites on the bee hive from the bee hive.
When a plurality of substrates are arranged, one main board is connected with the conductive circuits on the plurality of substrates through wires, so that the cost is saved; the ultrasonic transducers, the conductive circuit, the power circuit, the ultrasonic power amplifying circuit and the ultrasonic generator on the main board and the substrate can also be integrated on an insulating board, which is called an integrated board, and all the integrated boards are supplied with power by one power supply; or the number of the main boards is less than that of the substrates, part of the main boards are connected with the conductive circuits on the plurality of substrates through wires, and part of the main boards are connected with the conductive circuits on one substrate through wires; a plurality of power supplies can be arranged, and one power supply supplies power to one mainboard; the compound mode of base plate, mainboard, power be manifold can make the partial or whole amplitude part stack or the whole stack of the ultrasonic wave that sends of a plurality of ultrasonic transducer, these compound modes are all in the utility model discloses a protection scope. The ultrasonic transducer generates ultrasonic waves with the same phase according to a set waveform when working, and the ultrasonic generator is used for generating a high-frequency alternating current signal matched with the ultrasonic transducer to drive the ultrasonic transducer to work. The ultrasonic generator generates an ultrasonic signal with a preset waveform, the ultrasonic signal is amplified by the ultrasonic power amplification circuit and then drives all ultrasonic transducers on the ultrasonic circuit to generate ultrasonic waves with the same phase at the same time, compared with the case of using one high-power ultrasonic transducer and a plurality of low-power ultrasonic transducers with the same phase, the amplitude of the ultrasonic wave is increased by utilizing the principle of sound wave superposition, the expensive high-power ultrasonic transducer is not needed, the cost is saved, and meanwhile, as the whole power consumption is reduced, the power circuit can be connected with a storage battery powered by a solar cell and supplies power to a plurality of insulated substrates, so that the energy is saved and the environment is protected; if a high-power ultrasonic transducer is used, a power supply with higher rated current and rated voltage is needed, the performance requirement on the solar panel is higher, and the practicability is not realized.
In some approaches, an insulating substrate provided with a plurality of ultrasonic transducers is located inside the housing.
One or more insulating substrates and a plurality of ultrasonic transducers are located inside a housing, or one or more insulating substrates and a plurality of ultrasonic transducers are located on a carrier, or one or more insulating substrates and a plurality of ultrasonic transducers are fixed inside a beehive.
The shell is a symmetrical shell, the insulating substrate is vertically fixed in the shell, the shell comprises a shell top, a shell and a base, the projection area of the shell top is larger than the area enclosed by the shell and the projection area of the base, the shell top is composed of a shell top center and an inclined plane inclining from the shell top center to the shell top edge, and the shape of the shell top center is similar to the shape enclosed by the shell and smaller than the shape enclosed by the shell.
The shell top is designed to be larger than the shell and the base in projection area, plays a role in protecting the shell and the base, is designed to be in a shape with an inclination angle and similar to a roof, prevents the shell top from accumulating dust, and can prevent foreign matters from falling into the shell to influence the normal use of the bee mite remover.
In some forms, the housing has a plurality of substrates disposed therein, each substrate having a plurality of transducers disposed thereon
The insulated substrates are symmetrically arranged along the symmetrical axis of the shell, one insulated substrate corresponds to one shell side surface, the shell side surface vertical to the symmetrical axis of the shell is not provided with an insulated substrate, the insulated substrate is parallel to the corresponding shell side surface, the direction of sound waves emitted by the ultrasonic transducers on the insulated substrate faces the outside of the shell, and the included angle of the adjacent shell side surfaces ensures that the ranges of the sound waves emitted by the corresponding insulated substrates have intersection; a plurality of small holes with the same size are formed in the side face of the shell corresponding to the insulated substrate, and each ultrasonic transducer is provided with at least one small hole corresponding to the ultrasonic transducer; or, a window is arranged on the side surface of the shell corresponding to the insulated substrate, and the size and the position of the window just accommodate all the ultrasonic transducers on the insulated substrate; or, a plurality of long-strip-shaped openings are formed in the side face of the shell corresponding to the insulated substrate, and the position of each opening corresponds to one row of piezoelectric elements on the corresponding insulated substrate.
When the novel bee mite removing device is used, the novel bee mite removing device is placed between a plurality of beehives, each beehive corresponds to one shell side face with a small hole, a beehive door of each beehive faces the shell side face with the small hole, the ultrasonic transducers of the novel bee mite removing device simultaneously emit ultrasonic waves with the same phase, the ultrasonic waves are transmitted into the beehive through the beehive door, the bee mites on a bee body vibrate, the bee mites fall to the bottom of the beehive, and the bee mites are swept away when a bee keeper cleans the beehive, so that the purpose of removing the bee mites is achieved.
Meanwhile, the ultrasonic transducer is a sound production part, the sound waves are greatly weakened after encountering solids, and the ultrasonic transducer is positioned inside the shell, so that an opening is required to be formed in the side surface of the shell and at the position corresponding to the ultrasonic transducer, and the sound waves emitted by the ultrasonic transducer can be conducted out from the inside of the shell.
In some approaches, the substrate on which the transducers are disposed is located inside or outside the beehive.
Of course, a plurality of ultrasonic transducers can be positioned in the beehive, ultrasonic waves are directly transmitted to the bees, the distance is very short, energy loss is almost avoided, a large amount of mites can be removed, and the efficiency is high. Therefore, multiple transducers can be located on one substrate, or multiple transducers can be located on different substrates, but the amplitudes of the sound waves emitted by the transducers can be superposed, so that the energy is increased. If a plurality of transducers are far away from the beehive, although energy is lost, mites parasitizing on the bees can be shaken off, and the mites can be controlled to occur admittedly, if the mites parasitizing on the bees are many, the mites are expected to be removed quickly, the bees can be exposed around the transducers or the distance can be adjusted, so that the mites can be removed, the modes can be changed randomly according to needs, and the changes are protected by the scope of the claims of the utility model.
In some embodiments, all or a portion of the plurality of ultrasonic transducers generate ultrasonic waves in the same direction. All or part of the ultrasonic transducers generate ultrasonic waves with the same direction, and the amplitudes of the ultrasonic waves emitted by the part or all of the ultrasonic transducers can be partially overlapped or completely overlapped
The utility model has the advantages that:
1. the sound wave vibration is utilized to shake off the bee mites, and the effect of removing the bee mites on the bees is realized.
2. A plurality of ultrasonic transducers with smaller power are used for replacing one high-power ultrasonic generator, so that the overall cost is reduced.
Drawings
FIG. 1 is a schematic view of the housing of the present invention
FIG. 2 is a schematic view of the top of the shell
FIG. 3 is a schematic view of the arrangement of the insulated substrates according to the present invention
FIG. 4 is a schematic view of an insulated substrate according to the present invention
FIG. 5 is a schematic diagram of the ultrasonic transducer of the present invention mounted on an insulating substrate
FIG. 6 is a schematic view of the small hole of the present invention
FIG. 7 is a schematic view of the sub-housing of the present invention
FIG. 8 is a schematic view of a side buckle of the sub-housing of the present invention
FIG. 9 is a schematic view of the other side buckle of the sub-housing of the present invention
FIG. 10 is a schematic view of a slot on one side of the sub-housing of the present invention
FIG. 11 is a schematic view of the other side slot of the sub-housing of the present invention
FIG. 12 is a schematic view of the insulating substrate of the present invention placed in the lower casing
FIG. 13 is a schematic view of the vertical arrangement of the ultrasonic transducers of the present invention
FIG. 14 is a schematic diagram of the array arrangement of the ultrasonic transducers of the present invention
FIG. 15 is a schematic view of the ring-shaped arrangement of the ultrasonic transducers of the present invention
FIG. 16 is a schematic diagram of the serpentine arrangement of the ultrasonic transducers of the present invention
1 in the attached drawings: a shell top; 2: a housing; 3: a base; 4: a shell top center;
5A,5B,5C,5D, 5E: a bevel;
6A,6B,6C,6D an insulating substrate; 7A, an ultrasonic transducer anode; 7B, an ultrasonic transducer cathode; 7: an ultrasonic transducer; 8: a small hole; 9A,9B,9C,9D is the side of the shell;
10: a wire passing hole; 11A,11B,11C and 11D are partial shells; 12: an upper housing; 13: a lower housing; 14A, 14B,14C and 14D are buckles; 15A,15B,15C and 15D are clamping grooves;
Detailed Description
The structures referred to by the invention or the technical terms used therein are further described below, if not otherwise indicated, in accordance with the common general term of the art.
Example 1:
a plurality of ultrasonic transducers 7 are arranged in an array on one or more insulating substrates.
The prior art uses one high power ultrasonic transducer A with a rated power of w, and we use two rated powers of
Of the ultrasonic transducer a1And a2Replacing a high power ultrasound transducer a. Ultrasonic transducer a1And a2The same power as that consumed by the ultrasonic transducer a is consumed during the time T. If the electroacoustic conversion efficiencies of the ultrasonic transducers are all a, the sound power of the ultrasonic transducer with the rated power of w is aw, and the rated power is
Has an acoustic power of
The relationship between sound power level and sound pressure level is:
lp＝lw-20lgr-11
wherein lp is the sound pressure level,
p is sound pressure, p0Reference sound pressure, i.e. 20 pa; lw is the sound power level of the sound,
w is the acoustic power, w0And r is the distance from the sound source to the sound pressure test point.
From the above formula, if the sound pressure at r from the ultrasonic transducer a is p1Then the sound pressure at a distance r from the ultrasonic transducer a is
The pressure at which the atmosphere is at rest is atmospheric pressure. When sound waves exist, the local air pressure is compressed or expanded, the pressure is increased at the compressed position, the pressure is reduced at the expanded position, and thus, the original atmospheric pressure is added with a pressure fluctuation. This pressure fluctuation is caused by the action of sound waves and is called sound pressure, indicated by the symbol P.
The space with sound pressure is called sound field, the sound pressure value of a certain moment in the sound field is called instant sound pressure, and the root mean square value of the instant sound pressure in a certain time interval T is called effective sound pressure PeExpressed by the following formula:
wherein, PaFor the amplitude of the sound pressure, the effective sound pressure of the ultrasonic transducer A at a distance r from A in time T
Pa1Effective sound pressure P for ultrasonic transducer Ae1Sound pressure amplitude of (a); the ultrasonic transducer a is connected with a in time T1And a2Effective sound pressure at a distance r
Pa2Effective sound pressure P for ultrasonic transducer ae2The amplitude of the sound pressure of (a),
namely, it is
We take a small enough volume element in the sound field, volume V0When the sound pressure is P and the density is ρ constant, the kinetic energy generated by the sound wave disturbance is:
the potential energy generated by the acoustic wave disturbance is:
wherein the negative sign indicates that the volume element decreases in volume and increases in potential energy when compressed and vice versa when expanded. Therefore, the acoustic vibration energy is the sum of kinetic energy and potential energy:
the instantaneous acoustic energy density ξ can be obtained from the above formulaiIn units of joules/meter
If ξ should beiAveraging over one period to obtain a time average of the acoustic energy density, denoted by ξ, has:
the time average value of the sound energy density represents the sound vibration energy of a certain point of a sound field in a unit volume within a certain time, and the quantity can be used for evaluating the vibration energy generated by a row of sound waves at the certain point.
When a certain position in the sound field receives sound waves transmitted from two sound sources at the same time, the two rows of sound waves have the same frequency, an interference phenomenon can be generated, and the condition of the superposed sound field depends on the phase positions of the two rows of sound waves. Two ultrasonic transducers a1And a2Superposed at a point r away from the two ultrasonic transducers, the two lines of sound waves arriving at this point having the same sound pressure amplitude
The fixed phase is
Sound pressure representation of first row sound waveIs p1The sound pressure of the second column of sound waves is denoted as p2Then there are:
according to the superposition principle, the resultant sound pressure at this point is
From the above equation, the sound pressure amplitude of the synthesized sound pressure at this point is
When the phase difference of two lines of sound waves
The sound pressure amplitude of the synthesized sound pressure is pa1And the sound pressure amplitude of one ultrasonic transducer a at that point is also pa1It can be seen that the same vibration effect can be achieved by using a plurality of low-power ultrasonic transducers instead of one high-power ultrasonic transducer, and if the number of the ultrasonic transducers is increased continuously, the sound vibration energy can be increased continuously under the condition that the performance of the ultrasonic transducers is not changed until bee mites can be shaken off. The power of the existing power ultrasonic transducer can reach 2000 watts and above, the rated voltage is 220 volts, while the power of the low-power ultrasonic transducer is 3 watts, and the rated voltage is 12-30 volts. The 667 low-power ultrasonic transducers can achieve the same effect as one high-power ultrasonic transducer, if all the low-power ultrasonic transducers are connected in parallel, the power supply of the ultrasonic transducers can be met by using a storage battery pack with the rated voltage larger than or equal to that of the low-power ultrasonic transducers, and the requirement on the power supply voltage is much lower.
The ultrasonic transducer substrates 6A,6B,6C and 6D are four, wherein a plurality of ultrasonic transducers 7 are arranged on one insulating substrate 6A, the plurality of ultrasonic transducers 7 are vertically arranged on one surface of one insulating substrate 6A, and the ultrasonic transducers on the same surface of one ultrasonic transducer substrate 6A generate ultrasonic waves with the same direction outwards.
The insulating substrates 6A,6B,6C,6D are provided with conductive circuits formed of a conductive material, and the plurality of ultrasonic transducers 7 are connected to each other through the conductive circuits.
All or part of the anodes 7A of the ultrasonic transducers are connected with each other through a conductive circuit, and all or part of the cathodes 7B of the ultrasonic transducers are connected with each other through a conductive circuit.
One circuit of the conductive circuit connects the cathodes 7B of all the ultrasonic transducers together, the other circuit connects the anodes 7A of all the ultrasonic transducers together, the two circuits are respectively provided with a through hole, and the through holes can be respectively welded with leads and connected to a mainboard through the leads.
The conductive circuit is connected with the insulated main board. The main board is provided with a power supply circuit, an ultrasonic power amplification circuit and an ultrasonic generator, the power supply circuit is connected to the ultrasonic power amplification circuit, the output end of the ultrasonic generator is connected with the input end of the ultrasonic power amplification circuit, the output end of the ultrasonic power amplification circuit is connected with the input end of the ultrasonic circuit, the power supply circuit is connected with the power supply, the rated power of the power supply is enough to enable the sound wave emitted by the ultrasonic transducer to separate bee mites parasitizing on bees from the bees, or separate the bee mites positioned on the bee hive from the bee hive.
The ultrasonic transducer 7 generates ultrasonic waves with the same phase according to a set waveform when in work, and the ultrasonic generator is used for generating a high-frequency alternating current signal matched with the ultrasonic transducer 7 to drive the ultrasonic transducer 7 to work. The ultrasonic generator generates ultrasonic signals with preset waveforms, the ultrasonic signals are amplified by the ultrasonic power amplification circuit and then drive all the ultrasonic transducers 7 on the ultrasonic circuit to generate ultrasonic waves with the same phase at the same time, compared with the mode of using one high-power ultrasonic transducer, a plurality of low-power ultrasonic transducers 7 with the same phase increase the amplitude of the ultrasonic waves by utilizing the sound wave superposition principle, an expensive high-power ultrasonic transducer is not needed, the cost is saved, meanwhile, the small-power ultrasonic transducers are dispersed on a plurality of insulated substrates, the mite removing operation can be simultaneously carried out on a plurality of beehives, and as the plurality of power supply circuits can also be connected with storage batteries powered by solar cells and supply power to the insulated substrates, the energy is saved, and the environment is protected; if a high-power ultrasonic transducer is used, a power supply with higher rated current and rated voltage is required to supply power to the high-power ultrasonic transducer, the performance requirement on the solar panel is higher, and the high-power ultrasonic transducer is not practical.
A plurality of insulating substrates 6A,6B,6C,6D and a plurality of ultrasonic transducers 7 are located inside one housing.
The shell is a symmetrical shell 2, insulating substrates 6A,6B,6C and 6D are vertically fixed inside the shell 2, the shell comprises a shell top 1, the shell 2 and a base, the projection area of the shell top 1 is larger than the area enclosed by the shell 2 and the projection area of the base, the shell top 1 consists of a shell top center 4 and inclined planes 5A,5B,5C,5D and 5E inclined from the shell top center 4 to the edge of the shell top 1, and the shape of the shell top center 4 is similar to the shape enclosed by the shell 2 and smaller than the shape enclosed by the shell 2.
The shell top 1 is designed to have a projection area larger than the shell 2 and the base, plays a role in protecting the shell 2 and the base, and the shell top 1 is designed to have a shape with an inclination angle similar to a roof, so that dust accumulation of the shell top 1 is prevented, and foreign matters can be prevented from falling into the shell 2 to influence the normal use of the bee mite remover.
The insulated substrates 6A,6B,6C,6D are symmetrically arranged along the symmetry axis of the shell 2, one insulated substrate 6A corresponds to one shell side surface 9A, the shell side surface perpendicular to the symmetry axis of the shell 2 is not provided with an insulated substrate, the insulated substrates 6A,6B,6C,6D are parallel to the corresponding shell side surfaces 9A,9B,9C,9D, the directions of sound waves emitted by the ultrasonic transducers 7 on the insulated substrates 6A,6B,6C,6D face the outside of the shell 2, and the included angle angles of the adjacent shell side surfaces 9A,9B,9C,9D ensure that the ranges of the sound waves emitted by the corresponding insulated substrates 6A,6B,6C,6D have intersection; the side surfaces 9A,9B,9C and 9D of the shell corresponding to the insulated substrates 6A,6B,6C and 6D are provided with a plurality of small holes 8 with the same size, and each ultrasonic transducer 7 is provided with at least one small hole 8 corresponding to the small hole.
When the device is used, the mite remover is placed among a plurality of beehives, each beehive corresponds to one shell side face 9A with a small hole 8, 9B,9C and 9D, a beehive door of each beehive faces to the shell side face 9A with the small hole 8, 9B,9C and 9D, an ultrasonic transducer of the mite remover simultaneously sends ultrasonic waves with the same phase, the ultrasonic waves are transmitted into the beehive through the beehive door, the bee mites on bees vibrate, the bee mites fall to the bottom of the beehive, and the bee mites are swept away when a bee keeper cleans the beehive, so that the purpose of removing the bee mites is achieved.
Meanwhile, the ultrasonic transducer 7 is a sound production part, sound waves are greatly weakened after encountering solids, and the ultrasonic transducer 7 is positioned inside the shell, so that openings are needed at the positions corresponding to the ultrasonic transducer 7 on the side surfaces 9A,9B,9C and 9D of the shell, and the sound waves emitted by the ultrasonic transducer 7 can be conducted out from the inside of the shell.
Example 2
The prior art uses one high power ultrasonic transducer A with a rated power of w, and we use two rated powers of
Of the ultrasonic transducer a1And a2Replacing a high power ultrasound transducer a. Ultrasonic transducer a1And a2The same power as that consumed by the ultrasonic transducer a is consumed during the time T. If the electroacoustic conversion efficiencies of the ultrasonic transducers are all a, the sound power of the ultrasonic transducer with the rated power of w is aw, and the rated power is
Has an acoustic power of
The relationship between sound power level and sound pressure level is:
lp＝lw-20lgr-11
wherein lp is the sound pressure level,
p is sound pressure, p0Reference sound pressure, i.e. 20 pa; lw is the sound power level of the sound,
w is the acoustic power, w0And r is the distance from the sound source to the sound pressure test point.
From the above formula, if the sound pressure at r from the ultrasonic transducer a is p1Then the sound pressure at a distance r from the ultrasonic transducer a is
The pressure at which the atmosphere is at rest is atmospheric pressure. When sound waves exist, the local air pressure is compressed or expanded, the pressure is increased at the compressed position, the pressure is reduced at the expanded position, and thus, the original atmospheric pressure is added with a pressure fluctuation. This pressure fluctuation is caused by the action of sound waves and is called sound pressure, indicated by the symbol P.
The space with sound pressure is called sound field, the sound pressure value of a certain moment in the sound field is called instant sound pressure, and the root mean square value of the instant sound pressure in a certain time interval T is called effective sound pressure PeExpressed by the following formula:
wherein, PaFor the amplitude of the sound pressure, the effective sound pressure of the ultrasonic transducer A at a distance r from A in time T
Pa1Effective sound pressure P for ultrasonic transducer Ae1Sound pressure amplitude of (a); the ultrasonic transducer a is connected with the time Ta1And a2Effective sound pressure at a distance r
Pa2Effective sound pressure P for ultrasonic transducer ae2The amplitude of the sound pressure of (a),
namely, it is
We take a small enough volume element in the sound field, volume V0When the sound pressure is P and the density is ρ constant, the kinetic energy generated by the sound wave disturbance is:
the potential energy generated by the acoustic wave disturbance is:
wherein the negative sign indicates that the volume element decreases in volume and increases in potential energy when compressed and vice versa when expanded. Therefore, the acoustic vibration energy is the sum of kinetic energy and potential energy:
the instantaneous acoustic energy density ξ can be obtained from the above formulaiIn units of joules/meter
If ξ should beiAveraging over one period to obtain a time average of the acoustic energy density, denoted by ξ, has:
the time average value of the sound energy density represents the sound vibration energy of a certain point of a sound field in a unit volume within a certain time, and the quantity can be used for evaluating the vibration energy generated by a row of sound waves at the certain point.
When a certain position in the sound field receives sound waves transmitted from two sound sources at the same time, the two rows of sound waves have the same frequency, an interference phenomenon can be generated, and the condition of the superposed sound field depends on the phase positions of the two rows of sound waves. Two ultrasonic transducers a1And a2Superposed at a point r away from the two ultrasonic transducers, the two lines of sound waves arriving at this point having the same sound pressure amplitude
The fixed phase is
The sound pressure of the first row of sound waves is denoted p1The sound pressure of the second column of sound waves is denoted as p2Then there are:
according to the superposition principle, the resultant sound pressure at this point is
From the above equation, the sound pressure amplitude of the synthesized sound pressure at this point is
When the phase difference of two lines of sound waves
The sound pressure amplitude of the synthesized sound pressure is pa1And the sound pressure amplitude of one ultrasonic transducer a at that point is also pa1It can be seen that the same vibration effect can be achieved by using a plurality of low-power ultrasonic transducers 7 instead of one high-power ultrasonic transducer 7, and if the number of the ultrasonic transducers 7 is increased continuously, the sound vibration energy can be increased continuously without changing the performance of the ultrasonic transducers 7 until the bee mites can be shaken off.
All or part of the plurality of ultrasonic transducers 7 generate ultrasonic waves in the same direction outward.
The ultrasonic transducer substrates 6A,6B,6C and 6D are four, wherein a plurality of ultrasonic transducers 7 are arranged on one insulating substrate 6A, the plurality of ultrasonic transducers 7 are vertically arranged on one surface of one insulating substrate 6A, and the ultrasonic transducers on the same surface of one ultrasonic transducer substrate 6A generate ultrasonic waves with the same direction outwards.
The insulating substrates 6A,6B,6C,6D are provided with conductive circuits formed of a conductive material, and the plurality of ultrasonic transducers 7 are connected to each other through the conductive circuits.
All or part of the anodes 7A of the ultrasonic transducers are connected with each other through a conductive circuit, and all or part of the cathodes 7B of the ultrasonic transducers are connected with each other through a conductive circuit.
One circuit of the conductive circuit connects the cathodes 7B of all the ultrasonic transducers together, the other circuit connects the anodes 7A of all the ultrasonic transducers together, the two circuits are respectively provided with a through hole, and the through holes can be respectively welded with leads and connected to a mainboard through the leads.
The conductive circuit is connected with the insulated main board. The mainboard is provided with a power supply circuit, an ultrasonic power amplification circuit and an ultrasonic generator, the power supply circuit is connected to the ultrasonic power amplification circuit, the output end of the ultrasonic generator is connected with the input end of the ultrasonic power amplification circuit, and the output end of the ultrasonic power amplification circuit is connected with the input end of the ultrasonic circuit.
The ultrasonic transducer 7 generates ultrasonic waves with the same phase according to a set waveform when in work, and the ultrasonic generator is used for generating a high-frequency alternating current signal matched with the ultrasonic transducer 7 to drive the ultrasonic transducer 7 to work. The ultrasonic generator generates ultrasonic signals with preset waveforms, the ultrasonic signals are amplified by the ultrasonic power amplification circuit and then drive all ultrasonic transducers 7 on the ultrasonic circuit to generate ultrasonic waves with the same phase at the same time, compared with the case of using one high-power ultrasonic transducer, a plurality of low-power ultrasonic transducers 7 with the same phase are used, the amplitude of the ultrasonic waves is increased by utilizing the principle of sound wave superposition, an expensive high-power ultrasonic transducer is not needed, the cost is saved, meanwhile, the plurality of low-power ultrasonic transducers are dispersed on a plurality of insulated substrates 6A,6B,6C and 6D, the mite removal operation can be simultaneously carried out on a plurality of beehives, and the plurality of power supply circuits can also be connected with storage batteries powered by solar cells and supply power to the insulated substrates 6A,6B,6C and 6D, so that the energy is saved and the environment is protected; if a high-power ultrasonic transducer is used, a power supply with higher rated current and rated voltage is required to supply power to the high-power ultrasonic transducer, the performance requirement on the solar panel is higher, and the high-power ultrasonic transducer is not practical.
A plurality of insulating substrates 6A,6B,6C,6D and a plurality of ultrasonic transducers 7 are located inside a plurality of sub-housings 11A,11B,11C,11D, one sub-housing 11A for each ultrasonic transducer substrate 6A.
The sub-shells 11A,11B,11C and 11D are composed of an upper shell 12 and a lower shell 13, wherein the upper shell 12 is provided with buckles 14A, 14B,14C and 14D, the lower shell 13 is provided with clamping grooves 15A,15B,15C and 15D, and the upper shell 12 and the lower shell 13 are buckled in the clamping grooves 15A,15B,15C and 15D through the buckles 14A, 14B,14C and 14D.
The lower case 13 is a box body with an open top, and is sized to accommodate a plurality of ultrasonic transducers 7 and an insulating substrate 6A,6B,6C, 6D; the insulating substrates 6A,6B,6C,6D are fixed at the bottom of the lower case 13, and ensure that the ultrasonic wave emitted from the ultrasonic transducer 7 thereon is directed toward the top opening of the lower case 13.
The upper shell 12 is provided with a plurality of small holes, and each ultrasonic transducer 7 is provided with at least one small hole corresponding to the small hole.
In use, the plurality of sub-housings 11A,11B,11C,11D of the mite killer are vertically placed in the beehive, one sub-housing 11A is placed in each beehive, the hives in the beehive are vertically arranged on one side in the beehive, and the sub-housing 11A is placed on the other side, so that the ultrasonic waves emitted from the ultrasonic transducers 7 in the sub-housings 11A can pass through all the hives. The wire that connects ultrasonic circuit passes and is connected to the mainboard from crossing the line hole on, and the ultrasonic transducer of mite remover sends the same ultrasonic wave in phase place simultaneously, spreads into inside the beehive via the honeycomb door, and to the bee mite on the honeybee and the bee mite on the honeycomb produce the vibration, and the bee mite drops to the beehive bottom, sweeps away the bee mite when bee-keeping person clears up the beehive, reaches the purpose of getting rid of the bee mite.
Claims (11)
1. A bee mite remover which characterized in that: a plurality of ultrasonic transducers are arranged in an array on one or more insulating substrates.
2. A bee mite remover as claimed in claim 1, wherein: a plurality of ultrasonic transducers are vertically arranged on multiple sides or the same side of an insulating substrate.
3. A bee mite remover as claimed in claim 1 or 2, wherein: a conductive circuit formed by a conductive material is arranged on the insulating substrate, and the plurality of ultrasonic transducers are mutually connected through the conductive circuit.
4. A bee mite remover as claimed in claim 3, wherein: the ultrasonic transducers are connected in parallel on an insulated substrate by a conductive circuit.
5. A bee mite remover as claimed in claim 4, wherein: the anodes of all or part of the ultrasonic transducers are connected with each other through a conductive circuit, and the cathodes of all or part of the ultrasonic transducers are connected with each other through a conductive circuit.
6. A bee mite remover as claimed in claim 4 or 5, wherein: the conductive circuit is connected with the insulated main board.
7. A bee mite remover as claimed in claim 6, wherein: the power supply circuit is connected to the ultrasonic power amplification circuit, the output end of the ultrasonic power amplification circuit is connected with the input end of the conductive circuit, and the power supply circuit is connected with a power supply.
8. A bee mite remover as claimed in claim 2, wherein: an insulating substrate provided with a plurality of ultrasonic transducers is located inside the housing.
9. A bee mite remover as claimed in claim 8, wherein: the substrate on which the transducers are arranged is located inside or outside the beehive.
10. A bee mite remover as claimed in claim 8, wherein: the shell is internally provided with a plurality of substrates, and each substrate is provided with a plurality of transducers.
11. A bee mite remover as claimed in claim 1, wherein: all or part of the plurality of ultrasonic transducers generate ultrasonic waves in the same direction.
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| CN111955452A (en) * | 2020-08-24 | 2020-11-20 | 北京市蜂业公司 | Electronic mite killing instrument, beehive and mite killing method |
| CN111955450A (en) * | 2020-08-24 | 2020-11-20 | 北京市蜂业公司 | Electronic mite removing instrument for bees and beehive |
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| CN102630662B (en) * | 2012-05-02 | 2013-07-10 | 清华大学深圳研究生院 | Multidirectional variable-frequency electronic parasite and mouse expelling device |
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