37 results about "Fly-killing device" patented technology

The invention discloses an environment-friendly mosquito and fly killing device. The device comprises a mosquito and fly collecting box, a mosquito and fly killing chamber, fan-shaped mosquito and fly luring windows and a mosquito and fly luring chamber, wherein the fan-shaped mosquito and fly luring windows are mounted at the upper end of the mosquito and fly luring chamber, handles are arranged on the fan-shaped mosquito and fly luring windows, the mosquito and fly killing chamber is arranged below the mosquito and fly luring chamber, a weak power grid is arranged in the connection position of the mosquito and fly killing chamber and the mosquito and fly killing chamber, an output end of a motor is connected with a shaft lever through a coupler, and a wire box is connected with a lamp tube, the weak power grid and the motor through wires. Mosquitoes and flies are killed in a weak electric shock and trapping killing manner, a nano titanium dioxide net and the lamp tube which are arranged in the mosquito and fly luring chamber attract the mosquitoes and the flies under the condition that no harmful gas is produced, the weak power grid can only make the mosquitoes and the flies fainted, thus, no scorching smell can be produced, the attracted mosquitoes and flies can fall into the mosquito and fly collecting box to be starved and trapped to death, no secondary harm can be caused, and the environmental protection purpose is achieved.

The present invention discloses a bait for mosquito and fly and mosquito and fly killing device by using said bait. Said bait composition includes (by weight portion) 80-120 portions of sweet wine, 2-5 portions of white sugar, 2-5 portions of jujube, 0.5-0.8 portion of xanthan gum and 0.5-0.8 portion of calcium hydroxide. Said mosquito and fly killing device includes box body, power supply, bait container, mosquito-ply killing electrified wire netting and protective screen. Etc.

Disclosed is a mechanical flies eradicating apparatus with the functions of sanitary cleaning, environmental protection and contamination prevention, it comprises a casing, a second column, a shutter, a connecting rod and piston, a gear cluster, an electromechanical power supply or spiral power spring, and a gathering box.

The invention discloses an automatic continuous fly killing device which comprises a fly detecting sensor component, a fly killing component, a fly collecting component, an optical fiber type vibration sensor component, a control system and a pneumatic system. The fly collecting component is fixed to a base. The pneumatic system is connected with the fly collecting component and controls the fly collecting component to be opened and closed. An upright rod is fixed to the base. Two fixing block components are movably connected to the upright rod, one fixing block component is connected with the optical fiber type vibration sensor component, and the other fixing block component is connected with the fly detecting sensor component. The lower end of the fly detecting sensor component is fixedly provided with the fly killing component. The position of the fly detecting sensor component corresponds to that of the fly collecting component. The single-chip microcomputer control technology and a unique fly detecting sensor are adopted by the automatic continuous fly killing device, the automation degree is high, flies can be detected automatically and killed and collected continuously and automatically, the environment is not polluted, and the automatic continuous fly killing device does not need to be guarded by people and has the advantages of being convenient to use, high in efficiency, stable and reliable in performance, easy to manufacture and the like.

The invention relates to a fly trap for food processing, and discloses a fly killing device which can be easily added with a bait, can match the structure of a bait tray, force a fly to fly and to enter a spiral blade, and then lure the fly from the notch into an upper box body by a built-in lamp in the upper box body to catch the fly. The fly trap is characterized in that: the bait tray is arranged at the top of a storage battery, a plurality of photovoltaic panels are arranged on the outer side wall of the storage battery, an annular groove is clamped on the bait tray, the edge of the bait tray extends to form a phase difference support table, one ends of a plurality of fixing rods are arranged at the edge of the bait tray at equal angles, a lower box body is arranged at the other ends of the fixing rods, a plurality of through grooves are distributed in the lower box body in the circumferential direction, the through grooves penetrate through the lower box body along the axis, a plurality of light-transmitting films are correspondingly embedded in the through grooves, the upper box body is detachably arranged at the top of the lower box body, and an inner partition plate is arranged in the upper box body and attached to the inner wall of the inner box body.

The invention discloses a pet cage provided with a fly-killing device. The pet cage comprises a pet cage body, an insulating frame body of the fly-killing device is fixedly arranged outside the frame body of the pet cage body, and the fly-killing device is embedded into the insulating frame body of the fly-killing device. The problems existing in the prior art are solved. By using the pet cage provided with the fly-killing device, the possibility of biting of pets by mosquitoes and other insects is lowered greatly, and the body cleanliness of pets is ensured. The pet cage is simple in structure, high in practicability and suitable for wide use.

The invention relates to a portable suction-type mosquito-fly killing device. Two sealing rings are respectively sleeved in a slot at the small-diameter end of a horn-shaped suction port; a motor fixing frame is integrally molded with a shell; the motor fixing frame is inserted into the shell; the shell can be directly inserted into the small-diameter end of the horn-shaped suction port 1; a rear net cover is fixed at the rear end of the shell; a battery box is fixed on the side face of the shell; a switch is fixed on one side of the battery box; a battery and a circuit board are fixed in the battery box; the battery box is provided with a battery box cover; a motor is fixed on the motor fixing frame; a hub on an impeller is provided with a key slot; the projected part of the hub and a motor shaft are fastened through a jackscrew; and a filter screen is sleeved on the hub of the impeller. A negative pressure is formed in the horn-shaped suction port under an effect of high-speed rotation of the motor, so as to suck mosquitoes and flies; after the mosquitoes and flies are killed electrically by a high-voltage net, the mosquitoes and flies reach a place between the filter screen and a blade; and the mosquitoes and flies are smashed and discharged from the rear net cover along an air direction. The portable suction-type mosquito-fly killing device has the advantages of simple structure, portability, high efficiency, wide application scope and capability of thoroughly killing the mosquitoes, flies and cockroaches.

The invention discloses a fly killing device which comprises a fly attracting device, a storage box and a connecting passage connected between the fly attracting device and the storage box, wherein the fly attracting device comprises an end panel arranged vertically, and the end panel is provided with an oblique fly attracting passage through a fixedly arranged blocking edge; and the inlet end ofthe connecting passage is communicated with the fly attracting passage, and the outlet end of the connecting passage is obliquely upwards extended to the middle part of the storage box. The fly killing device does not need labor management and has a simple structure; the device makes full use of the characteristic that the fly flies upwards in a euphotic or air-permeable barrier to seek a barrierbreakthrough port to misguide the fly, so that the fly enters the storage box and naturally dies due to hunger and dehydration, and killing and storing processes are automatically completed; and because electricity, agent, sticking and attraction of food or light are not used in the killing process, the device has the characteristics of low carbon, energy conservation, environmental friendliness and high efficiency.

The invention discloses a mosquito and fly attractant and a preparation and use method thereof. The mosquito and fly attractant comprises, in weight percent, 36.5% of fresh animal blood, 1% of food preservatives, 52.5% of seafood bone (meat) powder, 5% of sodium oxide, 2% of potassium oxide, 1% of amino acid, 1% of sodium bicarbonate, 1% of acetic acid and slow release agents. The slow release agents comprise glycerin and water, the glycerin accounts for 72% of the total weight of the mosquito and fly attractant, and the water accounts for 13% of the total weight of the mosquito and fly attractant. The mosquito and fly attractant is matched with a mosquito and fly killing device, mosquitoes and flies are attracted near a powder agent by flavor, enter the mosquito and fly filling device andare inhaled and killed. All materials used by the attractant are ecological, free from toxicity (toxin is not generated by reaction) and natural, edible grade additives are added into the attractant,an animal body (simulation) synthesized by substances has simulation effects, and the attractant is good in mosquito and fly killing effect and has no toxic and side effects on a human body.

The invention discloses an efficient and environment-friendly electronic fly killing device which comprises a power source, a light-emitting diode, a button switch, a first resistor, a second resistor, a third resistor, a fourth resistor, an audion, a transformer, a first capacitor, a second capacitor, a third capacitor, a first diode, a second diode, a third diode and a metal net. A high-frequency oscillator formed by the audion and the transformer is electrified to work, a 500V high voltage is generated on a secondary coil of the transformer, and an indicator light circuit is formed by the light-emitting diode and a current-limiting resistor and used for indicating the on-off state of the circuit and displaying the consumption conditions of the electric energy of a battery. According to the efficient and environment-friendly electronic fly killing device, the audion and the transformer enable a 3V direct current to be converted into an about 18kHz high frequency alternating current, the secondary coil of the transformer rises the voltage of the alternating current to the 500V high voltage to be applied to the metal net of a fly pat, when flies touch the metal net, the flies will be burnt, shocked or killed by the current or electric arcs, and the fly killing device has the advantages of being efficient, healthy, not prone to causing pollution and low in manufacturing cost.

The invention discloses a fly killing device and relates to the technical field of daily life. The fly killing device comprises a base, a supporting rod and a spherical electrified wire net, wherein the supporting rod is arranged on the base, threads are arranged at the upper end of the supporting rod, the supporting rod penetrates through an arc-shaped hopper, is rotated through a nut and then is connected with the spherical electrified wire net, a handle is arranged on the arc-shaped hopper, a support is arranged at the lower end of the inner side of the spherical electrified wire net, and a lifting handle is arranged at the upper end of the inner side of the spherical electrified wire net. The fly killing device is simple in structural design and convenient to use. An inductive agent is placed on the support firstly, then the spherical electrified wire net is electrified, so that flies are attracted by the inductive agent to fly to the spherical electrified wire net, and the flies electrified to death fall into the arc-shaped hopper finally. Fly killing efficiency is high, pollution is avoided, and cleaning is convenient.

The invention discloses an assembled intelligent mosquito and fly killing device, and relates to the technical field of mosquito and fly killing equipment. The problem that excrement and dust left bymosquitoes and flies possibly exist on a mosquito killer lamp after an existing killing device is used for a long time is solved. The assembled intelligent mosquito and fly killing device comprises amounting plate, a connecting roller and a mounting sliding block, and a dismounting plate is arranged at the top of a drainage ring; the connecting roller is rotatably mounted on the mounting plate, and two top grooves are symmetrically formed in the top of the connecting roller; two vertical blocks are arranged on the right side of the top of a base plate; a bevel gear is arranged at the bottom of the connecting roller; the left side and the right side of the top of the dismounting plate are each provided with a sliding groove, and the two sliding grooves are each internally provided with a set of mounting sliding blocks through a spring. Friction is generated between two wiping rollers and a mosquito attracting lamp, so that the mosquito attracting lamp is cleaned, and the situation thatthe effect of the mosquito attracting lamp becomes poor due to the fact that dust and excrement of mosquitoes and flies adhere to the mosquito attracting lamp is prevented.

The invention relates to an electronic type high-voltage grid fly-killing device, comprising a 220V alternating-current power, a 12V voltage-stabilizing power supply, a self-exciting oscillating circuit, a square-wave output circuit, a high-voltage generation circuit and a high-voltage grid. The electronic type high-voltage grid fly-killing device is characterized in that the type selected by a time-base circuit IC1 in the self-exciting oscillating circuit is NE555. The electronic type high-voltage grid fly-killing device directly utilizes 220V alternating-current to generate high voltage by a voltage tripler rectifier instead of using an induction type high-voltage pack to generate high voltage; the high-voltage grid has large output power, and adopts an intermittent discharge mode; and the intermittent time and the high-voltage discharge time of the high-voltage grid can be respectively adjusted so as to enable the fly to have certain activity and food-finding time on the high-voltage grid and attract partners to gather. The electronic type high-voltage grid fly-killing device not only can kill the fly, but also can not pollute the environment, and is suitable for being used at home, hotels, restaurants and hospitals and the like.

The invention discloses a fly eradication device with an advertising function. The device comprises a box, a cavity is formed in the lower portion of the box, two or more sticky capture strips are arranged on the cavity at equal intervals, an insect trapping lamp is arranged in the cavity, the sticky capture strips are located on the outer side of the insect trapping lamp, an LED electronic display screen is arranged on the upper portion of the box and is an LED single-color screen, a bottom plate is arranged at the bottom of the box, the bottom plate is movably connected with side plates of the box, a display screen switch is further disposed on the upper portion of the box, a fly eradication power switch is arranged on the side of the box, and a handle is arranged on the top of the box. The sticky capture strips are used for killing flies, and the fly eradication device is simple and effective and does not pollute the environment; the LED electronic display screen is additionally arranged so that advertisement information can be played, and commercial value is increased; the bottom plate and the side plates are movably connected, fly residues will fall on the floor after fly eradication, the bottom plate is detachable, and the fly residues are convenient to clean.

The invention discloses an automatic fly killing device based on a reflecting type optical fiber sensor. The automatic fly killing device comprises a fly detecting sensor component, a fly killing component, a fly collecting component, a control system and a pneumatic system, wherein the fly collecting component is fixed to a base, the pneumatic system is connected with the fly collecting component to control the fly collecting component to be opened and closed, an upright rod is fixed to the base, a fixing block component is movably connected to the upright rod, the fly detecting sensor component is connected to the fixing block component, the fly killing component is fixed to the lower end of the fixing block component, and the position of the fly detecting sensor component corresponds to the position of the fly collecting component. By means of the automatic fly killing device, the single-chip microcomputer control technology and the original fly detecting sensor are adopted, the automatic degree is high, flies can be automatically detected, fly killing and fly collecting can be automatically and continuously carried out, pollution to the environment is prevented, a person does not need to be dispatched for guarding, and the automatic fly killing device has the advantages of being convenient to use, high in efficiency, stable and reliable in performance, easy to manufacture and the like.

The invention discloses a fly-killing device with an air cleaning function. The fly-killing device comprises a box body, wherein a cavity is formed in the lower part of the box body, an electric net covering the cavity is formed in the box body, a light trap is arranged in the cavity, an air refreshing plate is arranged at the upper part of the box body and is an activated plate, and the electric net is a high-voltage electric net; a base plate is arranged at the bottom of the box body and is movably connected with a side plate of the box body, a power supply switch is further arranged at the upper part of the box body, and a lifting handle is arranged on the top of the box body. The fly-killing device has the beneficial effects that flies are killed by virtue of the high-voltage electric net, so that the operation is simple and efficient, the environment is not polluted, and meanwhile, the peculiar smell is reduced; the additionally arranged activated carbon plate can be used for adsorbing the peculiar smell in air close to the fly-killing device and refreshing air; the detachable base plate is movably connected with the side plate, and killed flies can fall to the ground, so that the cleaning is convenient.

The invention discloses an automatic continuous fly killing device which comprises a fly detecting sensor component, a fly killing component, a fly collecting component, an optical fiber type vibration sensor component, a control system and a pneumatic system. The fly collecting component is fixed to a base. The pneumatic system is connected with the fly collecting component and controls the fly collecting component to be opened and closed. An upright rod is fixed to the base. Two fixing block components are movably connected to the upright rod, one fixing block component is connected with the optical fiber type vibration sensor component, and the other fixing block component is connected with the fly detecting sensor component. The lower end of the fly detecting sensor component is fixedly provided with the fly killing component. The position of the fly detecting sensor component corresponds to that of the fly collecting component. The single-chip microcomputer control technology and a unique fly detecting sensor are adopted by the automatic continuous fly killing device, the automation degree is high, flies can be detected automatically and killed and collected continuously and automatically, the environment is not polluted, and the automatic continuous fly killing device does not need to be guarded by people and has the advantages of being convenient to use, high in efficiency, stable and reliable in performance, easy to manufacture and the like.

The invention provides a wet waste pressing and reducing waste can and a wet waste treatment method which are suitable for the technical field of wet waste treatment. According to the wet waste pressing and reducing waste can and the wet waste treatment method, induction type throwing is adopted by a barrel body, and odor overflow is reduced. A fly killing device solves insect fly problems. A negative pressure system of deodorization equipment and plant liquid spray can prevent odor overflow. Waste pressure filtrate treatment solves the problem that an underground water system is polluted by sewage. Treated water can be used for community greenfield irrigation. By means of waste crushing equipment, the waste volume can be preliminarily reduced, and later waste reduction is facilitated. Pressing and reducing equipment can remove water and reduce the leakage problem in the waste transportation process; and the energy consumption of a transport vehicle is reduced. Solid waste drying equipment can dry the solid waste. Treated solid waste can be directly transported to a waste incineration power plant. The link of a waste transfer station is completely reduced. Meanwhile, the problem ofstressed urban land is relieved. A supervision system can detect the waste storage amount in real time, timely notify a collecting and transportation vehicle to collect waste, and realize the intelligent monitoring.

The invention relates to a stereoscopic image mosquito and fly killing device with gap gratings. The stereoscopic image mosquito and fly killing device comprises the gap gratings, a grating plate, a three-dimensional gap picture and a backlight plate, wherein the gap gratings comprise non-light-transmitting vertically-arranged lines. Gaps are reserved among the vertically-arranged lines and smaller than the width of one of the vertically-arranged lines, the vertically-arranged lines are consistent in width and equal in interval, two groups of high-voltage shock metal wires are arranged in front of a part of the vertically-arranged lines respectively and arranged at intervals and in a staggered mode, one group of high-voltage shock metal wires is connected with one end of a high-voltage power supply, and the other group of high-voltage shock metal wires is connected with the other end of the high-voltage power supply. The stereoscopic image mosquito and fly killing device can kill mosquitoes, meanwhile can display a wonderful stereoscopic picture with the three-dimensional effect, achieves multiple purposes in one, is practical and good in decoration and can further enable the three-dimensional picture with aesthetic perception to be enjoyed.

The invention belongs to the technical field of mosquito and fly killing and discloses a mosquito and fly killing device comprising a rear faceplate, a side faceplate and a front faceplate for being clamped on a picture frame, a mirror frame or a photo frame. The side faceplate is connected with the rear faceplate and the front faceplate, and the front faceplate comprises a sponge layer, a protection layer, a mosquito and fly attracting layer, a separating layer and a mosquito and fly killing layer; a battery is arranged, the mosquito and fly attracting layer is of a random metal grid structure, the top and the bottom of the mosquito and fly attracting layer are connected with an anode and a cathode of the battery respectively, the separating layer is an insulating layer, and the mosquito and fly killing layer is a metal wire array which is in parallel arrangement and anode-cathode spaced. The mosquito and fly killing device is nontoxic, harmless, safe and environment-friendly, and manual participation is not needed in the mosquito and fly killing process, so that labor force can be emancipated; secondary investment is not needed, so that mosquito and fly killing cost is lowered; more importantly, the mosquito and fly killing device has a brain wave trapping function, thereby being high in mosquito and fly killing efficiency.

The invention discloses a fly killing device which comprises a fly attracting device, a storage box and a connecting passage connected between the fly attracting device and the storage box, wherein the fly attracting device comprises an end panel arranged vertically, and the end panel is provided with an oblique fly attracting passage through a fixedly arranged blocking edge; and the inlet end ofthe connecting passage is communicated with the fly attracting passage, and the outlet end of the connecting passage is obliquely upwards extended to the middle part of the storage box. The fly killing device does not need labor management and has a simple structure; the device makes full use of the characteristic that the fly flies upwards in a euphotic or air-permeable barrier to seek a barrierbreakthrough port to misguide the fly, so that the fly enters the storage box and naturally dies due to hunger and dehydration, and killing and storing processes are automatically completed; and because electricity, agent, sticking and attraction of food or light are not used in the killing process, the device has the characteristics of low carbon, energy conservation, environmental friendliness and high efficiency.

The invention discloses a fruit fly trapping agent containing grape terpenoids, and an application thereof, and belongs to the technical field of agricultural science. The fruit fly trapping agent containing grape terpenoids comprises a basal culture medium and an attractant. 100 parts of the basal culture medium comprise, by weight, 5-10 parts of corn flour, 0.5-2 parts of agar, 5-10 parts of sucrose, 1-2 parts of yeast powder, 0.5-1 part of propionic acid, and the balance of distilled water; and the attractant is one of four terpene volatile substances, namely linalool, geraniol, citral andgeranic acid, extracted from grape fruits. The fruit fly trapping agent has an obvious fruit fly trapping effect, and can be combined with other fly killing devices to effectively trap and kill fieldfruit flies and reduce the use amounts of pesticides, and so a basis is provided for developing the novel, efficient, green and safe fruit fly trapping agent.

The invention belongs to the technical field of electronic fly killing device, and discloses an electronic fly killing device. The electronic fly killing device comprises a shell, electronic fly killing panels, a fly-inducing liquid water tank, a water pump, a controlling device, a power supply and a fly-inducing liquid tray, wherein the fly-inducing liquid water tank and the controlling device are arranged on the outer side wall of the shell; the fly-inducing liquid tray is arranged in the shell; a fly outlet is formed in the bottom of the shell; the bottom of the shell is provided with a smooth concave-shaped curved face; at least one electronic fly killing panel is arranged on the top of the shell; and when flies are attracted by smell of the fly-inducing liquid and fly into the shell through the bottom of a conical tube, the flies are burned or killed by burning due to high pressure of the electronic fly killing panels, and bodies of the flies directly slip into the fly outlet along the smooth curved face of the bottom. After the electronic fly killing device is connected with a solar battery panel, the electronic fly killing device can be arranged outdoors; and moreover, the electronic fly killing device also can be directly connected with an indoor power supply or a built-in battery for supplying power, and therefore, different using environments can be met.

The invention relates to a mosquitoes and flies killing device and specifically relates to an efficient and environmentally friendly mosquitoes and flies killing device. The device comprises a mosquito trapping chamber equipped with a photocatalytic net and a mosquito trapping lamp, a fan chamber equipped with a suction axial fan and a mosquito storage room. The device is characterized in that: the mosquito trapping chamber is equipped with a movable window, and the bottom of the mosquito storage room is equipped with a suspended funnel. The device solves the problem that some unkilled mosquitoes are easy to run out from the air inlet when the existing products are shut down and cannot capture live mosquitoes for scientific experiments. The invention has the advantages of safety and reliability, high trapping rate and strong environmental protection, and can be widely used in indoor and outdoor places where it is necessary to capture and kill mosquitoes and flies.

The invention discloses a large touring bus. The large touring bus comprises a bus body (1); a rear plate (11) is arranged on the bus body (1); and a boss (12) is arranged at one part, close to the rear plate (11), in the bus body (1). The large touring bus is characterized in that a fly killing device (13) is arranged above the boss (12); the fly killing device (13) comprises a mesh steel wire cover (131) and an electronic fly trap (132); a top cover (1311) is arranged at the top of the mesh steel wire cover (131); and the electronic fly trap (132) is mounted in the mesh steel wire cover (131). The large touring bus has the advantages of simple structure, convenient operation, perfect fly trapping effect and long service life and is sanitary and environment-friendly.

The invention belongs to the technical field of mosquito and fly killing and discloses a mosquito and fly killing device comprising a rear faceplate, a side faceplate and a front faceplate for being clamped on a picture frame, a mirror frame or a photo frame. The side faceplate is connected with the rear faceplate and the front faceplate, and the front faceplate comprises a sponge layer, a protection layer, a mosquito and fly attracting layer, a separating layer and a mosquito and fly killing layer; a battery is arranged, the mosquito and fly attracting layer is of a random metal grid structure, the top and the bottom of the mosquito and fly attracting layer are connected with an anode and a cathode of the battery respectively, the separating layer is an insulating layer, and the mosquito and fly killing layer is a metal wire array which is in parallel arrangement and anode-cathode spaced. The mosquito and fly killing device is nontoxic, harmless, safe and environment-friendly, and manual participation is not needed in the mosquito and fly killing process, so that labor force can be emancipated; secondary investment is not needed, so that mosquito and fly killing cost is lowered; more importantly, the mosquito and fly killing device has a brain wave trapping function, thereby being high in mosquito and fly killing efficiency.

The invention relates to a fly-killing device, and relates to the field of insect-killing device. The fly-killing device is environment-friendly and highly efficient. A technical scheme of the fly-killing device is that the device comprises a box body and a power source. An electrical mesh is arranged outside the box body. A heater is arranged in the box body. When in use, the power source is turned on, and a bait is heated by the heater, such that the smell of the bait is further spread, and fly trapping is accelerated. The flies are killed by the electrical mesh. The fly-killing device has the advantages of high efficiency, environment friendliness, and no pollution. The fly-killing device is suitable to be popularized.

The invention relates to an electronic fly-killing device comprising a box body, a base, a rectifier, a mesh frame and a guard mesh. The electronic fly-killing device is characterized in that the mesh frame is arranged at the upper end border of the trapeziform box body and provided with a power grid, a protective mesh is mounted outside the power grid, the rectifier is mounted on the base of the box body, a high-voltage electricity rectified through multi-voltage is connected with the power grid by a lead, and a movable sliding door is mounted at the rear side of the box body. The product has good fly-trapping effect, consumes less electricity and is safe and convenient to use.

The invention provides a mosquito and fly killing device for livestock breeding, and belongs to the field of fly killing equipment for livestock breeding. The mosquito and fly killing device for livestock breeding comprises a mounting frame, a servo motor, a bearing ring, a trapping lamp and an electric net cover, a driving plate is arranged in the mounting frame, the top of the driving plate is fixedly connected with the output end of the servo motor, a plurality of driving rods are rotatably connected to the bottom of the driving plate, and the plurality of driving rods are distributed in anannular array. When a transmission plate is driven, power can be transmitted to a transmission cylinder through an extendable rod, a surrounding guide groove formed in the outer surface of the transmission cylinder has a certain degree of extension in the vertical direction, a fixed rod slidably clamped in the surrounding guide groove is fixed, and when the transmission cylinder rotates, the fixed rod can move back and forth in the vertical direction; and similarly, the transmission cylinder drives the electric net cover to do the same motion, mosquitoes and flies attached to the surface of the trapping lamp are frightened, and the mosquitoes and flies are inactivated by the electric net cover.