41results about How to "Effective eviction" patented technology

The invention belongs to the technical field of energy materials, and particularly relates to a non-stoichiometric bismuth telluride-based thermoelectric material and a preparation method thereof. Thematerial disclosed by the invention has a chemical composition shown as the following general formula: BixSb2xTe3+y, and the preparation method comprises the following steps: firstly, weighing Bi simple substance powder, Sb simple substance particles and Te simple substance powder raw materials according to the chemical composition of the general formula, carrying out ball milling treatment to obtain powder, and carrying out cyclic discharge plasma sintering treatment on the obtained powder for 1-5 times to obtain a block sample. The bismuth telluride-based thermoelectric material prepared bythe method is good in crystallinity and compact in structure, and compared with a sample prepared by a traditional mechanical alloying and sintering combined method, the bismuth telluride-based thermoelectric material is obviously increased in grain size and introduces a large number of dislocations, so that the electrical property is improved, the lattice thermal conductivity is reduced, and thethermoelectric property is excellent. Meanwhile, the preparation method is simple and convenient to operate, short in period, free of high-temperature risk and low in energy consumption, and has a wide application prospect.

The invention relates to a warning method and device, display board equipment and a computer readable storage medium. The warning method comprises the steps of utilizing an infrared device for collecting a first image corresponding to an invader in a target area below a target line, and utilizing a millimeter wave device for collecting a second image corresponding to the invader; performing imagefusion on the first image and the second image to obtain a target image, and obtaining the type of the invader according to the target image; and when the type of the invader is human, acquiring a dangerous behavior level corresponding to the invader, and determining a warning strategy of the display board equipment according to the dangerous behavior level. According to the invention, the infrared device and the millimeter wave device can monitor the target area day and night and acquire the image corresponding to the invader, the warning strategy is automatically adapted according to the dangerous behavior level of the invading human, so that the warning action is more targeted, the invader can be effectively expelled to stop the dangerous action and be far away from the target area, andthe warning efficiency is improved.

The invention discloses a signal transceiving device for 5G base station construction. The device comprises a fixing column, a cooling fan, a storage box, an anti-interference magnetic ring, a reflective lens and a support rod, a fixing base is welded and fixed at the top end of the fixed column; and a second driving motor is fixedly welded toa device shell, the output end of the second driving motor is rotationally connected with a bidirectional threaded rod, a fixing block is arranged on the bidirectional threaded rod, the fixing block is slidably connected into the device shell, a supporting rod is movably connected to the fixing block, and the top end of the supporting rod is movably connected to the heat dissipation frame. The signal transceiving device for 5G base station construction is provided with the supporting rod; the bidirectional threaded rod drives the fixing blocks on the two sides to move towards the middle or the two sides at the same time, precise angle adjustment work can be conveniently and rapidly conducted on the signal transceiver on the heat dissipation frame in cooperation with the supporting rod, the debugging efficiency of the device is effectively improved, and the use efficiency of the device is improved.

The invention discloses pest-expelling protein peptide fertilizer. The pest-expelling protein peptide fertilizer is prepared from, by weight, 30-40 parts of withered leaves, 1-2 parts of rhizopus oryzae, 6-8 parts of ammonium chloride, 55-60 parts of pig manure, 4-5 parts of garlic, 2-3 parts of bacillus subtilis, 3-4 parts of ammonium sulfate, 10-12 parts of castor-oil plant stem leaf decoction, 80-90 parts of almond residues, 2-3 parts of ferrous chloride, 1-2 parts of glutamic acid, 5-7 parts of sodium silicate, 1-2 parts of calcium chloride and an appropriate amount of water. The fertilizer has a good pest expelling effect, the added bacillus subtilis and rhizopus oryzae can promote formation of superior florae of soil and restrain growth of pathogenic bacteria, the added castor-oil plant stem leaf decoction and garlic fermented material can effectively expel pests, and the fertilizer is high in fertilizer efficiency, does not damage soil, can achieve harmless crop planting after being used, increases the crop yield and improves the crop quality.

The invention discloses a bird repelling device for a power pole tower, which comprises a mounting base, a lower mounting block, a column, an upper mounting block, a slider, a spring, a conveyor belt mounting box, a conveyor belt, a connecting block, a connecting rod, a shaft sleeve, a rotating rod, a wind Bowl, bird repelling box, metal reed, bird repelling medicine box, support rod, bird repelling thorn installation rod, connecting spring and bird repelling thorn, etc.; the present invention has reasonable and simple structure, low production cost and convenient installation. The bird-repelling device can effectively drive away birds with different characteristics, thereby solving the shortcomings in the background technology; The high-level power equipment has wide adaptability; each part of the invention can be directly purchased without complex processing, and the production cost is low, which is suitable for large-scale promotion.

The invention discloses a physical trigger type alarm device used in a monitoring unit, relates to the technical field of alarm equipment, and solves the problem that a monitoring camera in an existing alarm device is easily covered by a hydrogen balloon by a thief. The device comprises a carrying shell, a driving rod is rotationally mounted in the middle of the interior of the carrying shell, a shaft rod is rotationally mounted on the left side of the interior of the carrying shell, and the top end of the shaft rod penetrates through the top of the carrying shell; a follow-up gear is arranged on the lower section of the shaft rod; a positioning piece is arranged at the front end of the left side of the top of the carrying shell; the right side of the top of the carrying shell is provided with a sound broadcasting bin cylinder. The top of the sound broadcasting silo is provided with a sound simulating silo. And a plurality of groups of sound playing holes are formed in the circumferential outer wall of the sound playing bin cylinder. According to the invention, the hydrogen balloon is punctured through the puncturing piece, so that the camera equipment is prevented from being covered by the hydrogen balloon and cannot capture and recognize the stealing behavior of a thief in time.

The invention provides a mosquito killer. One or more mosquito repelling devices and a mosquito killing device are arranged in a mosquito killing space. The mosquito repelling devices can emit messages for repelling mosquitoes, and the mosquito killing device is further provided with a weakening device capable of weakening the effect of the messages emitted by the mosquito repelling devices. Through the weakening device, the mosquito killing device weakens the messages emitted by the mosquito repelling devices around the mosquito killing device, so that the intensity of the messages around the mosquito killing device is lower than that of the messages at other parts in the space, mosquitoes in the space will automatically get close to the mosquito killing device, and then mosquitoes are killed through an escape preventing device. Besides, the mosquito repelling devices can be placed at multiple positions in the space according to practical needs, mosquitoes are expelled to the mosquito killing device through the mosquito repelling devices and are killed, and therefore the killing range can be widened, and the killing effect can be improved.

The pasture environment monitoring equipment comprises a transverse plate and a main rod, wherein a sleeve plate is arranged at a tail of the transverse plate, the sleeve plate is located at the top of an outer ring of the main rod, a pushing grip is arranged at the position, close to the sleeve plate, of an end face of one side of the transverse plate, and two vertical rods are arranged on an upper end face of the transverse plate; a solar panel is arranged at the top of the vertical rod, an extension plate is arranged at the head of the solar panel, a bird repelling buzzer is arranged on an upper end face of the extension plate, and a drooping plate is arranged on a lower end face of the transverse plate. The invention relates to pasture environment monitoring equipment based on the Internet of Things and belongs to the field of monitoring equipment. The pasture environment monitoring equipment is more convenient to disassemble and assemble by arranging an inner transverse rod convenient to adjust in a transverse plate, a transparent baffle is arranged in front of a monitoring probe, so that the monitoring probe is protected and prevented from being damaged, meanwhile, a sound amplification box easy to disassemble and assemble is arranged at the bottom of the transverse plate, and a bird repelling buzzer is arranged at a head of the solar panel, so warning and protection can be effectively performed, and the performance of the monitoring equipment is improved.

The invention relates to an easy-to-arrange insulated safety electric wire, which includes conductor wires and a wire sleeve. The end cross section of the wire sleeve is rectangular. The conductor wires are arranged in the wire sleeve tightly. Bending rings are arranged on the wire sleeve at equal intervals along the axis of the wire sleeve. The axial cross section of each bending ring is corrugated, and the ring wall of the bending ring is hollow and filled with protection liquid. The wire has a delicate shape, is convenient for tidy laying, and can provide insulation protection when emergency power-off is needed.

The present invention provides a mosquito killer. By setting one or more insect dispelling devices and disinfestation devices in the mosquito dispelling space, the disinfestation device can send out annoying messages to mosquitoes. The device for weakening the message effect of the disinfestation device. The disinfestation device weakens the dissemination of the dissemination of information by the disinsection device around the disinsection device, so that the strength of the message around the disinsection device is weaker than that of other parts in the space, so the space The mosquitoes in the space will automatically move closer to the extermination device, and then be killed by the anti-escape device; and the present invention can place insect repellent devices in multiple places in the space according to actual needs, and expel mosquitoes to the exterminator through the insect repellent devices If it is killed everywhere, it can realize the increase of killing range and killing effect.

The invention discloses a signal transceiver device for 5G base station construction, which includes a fixed column, a heat dissipation fan, a storage box, an anti-interference magnetic ring, a reflective lens and a support rod. The top of the fixed column is welded and fixed with a fixed base. The device A second drive motor is welded and fixed on the shell, and the output end of the second drive motor is rotatably connected to a two-way threaded rod. A fixed block is arranged on the two-way threaded rod, and the fixed block is slidably connected in the device shell. The fixed block The upper part is movably connected with a support rod, and the top end of the support rod is movably connected with the cooling frame. The signal transceiver device for 5G base station construction is provided with a support rod, and the two-way threaded rod moves to the middle or both sides at the same time by driving the fixed blocks on both sides. The angle adjustment work effectively improves the debugging efficiency of the device and increases the efficiency of the use of the device.

The invention discloses a composition for preventing and controlling the larvae of tardigrade gnats in chives, relates to the field of biological insecticide, and is characterized in that the raw materials are various traditional Chinese medicines. Compared with the prior art, the composition of the present invention for preventing and controlling the larvae of the tardigrade leek is safe and efficient, promotes the high yield of agricultural products, and realizes the safety and non-toxicity of the agricultural products.