40results about How to "Little life impact" patented technology

The invention relates to a hybrid multi-rotor aircraft with retractable wings, and mainly solves the problems in the prior art that the time of endurance is short and the load capacity is limited due to causes of structure. The hybrid multi-rotor aircraft with retractable wings mainly comprises motors, propellers, rocker arms, an aircraft body, a lithium battery pack, the retractable wings, retractable undercarriages and a flight control system; the assembly scheme of all the parts lies in that the propellers are mounted on the motors; the motors are fixed at one ends of the rocker arms through installation parts, and the other ends of the rocker arms are fixed in the middle of the aircraft body; the flight control system is mounted at the central position right above the aircraft body; the lithium battery pack is mounted at the central position under the aircraft body; the retractable undercarriages are symmetrically mounted at positions, close to the two sides, below the aircraft body; the retractable wings are fixed on the retractable undercarriages through installation parts. After the aircraft takes off, the undercarriages can be retracted, and at the same time the wings stretch towards outer sides, therefore the lift force of the multi-rotor aircraft is greatly increased, the time of endurance is prolonged, and the load capacity is further improved.

The invention discloses a bone malformation correction or fracture reduction and fixation device and a method for processing the same. The bone malformation correction or fracture reduction and fixation device comprises external fixation brackets or one and more external fixation plates, wherein the external fixation brackets or the external fixation plates are used for fixing fixation needles inserted into the bone tissues; at least one end of each fixation needle is exposed outside the skin, and the exposed end of the fixation needle needs to be fixed; the external fixation brackets consist of a first fixation bracket and a second fixation bracket; the external fixation plates are used for fixing all the fixation needles inserted into the bone tissues needing to be fixed. The method for processing the bone malformation correction or fracture reduction and fixation device comprises the following steps of: (1) collecting the information of an image before reducing the bone; (2) reducing the bone virtually by using a computer; (3) designing the structure of the bone malformation correction or fracture reduction and fixation device; and (4) processing the bone malformation correction or fracture reduction and fixation device. The bone malformation correction or fracture reduction and fixation device provided by the invention has a function of automatically reducing the bone, is reasonable in structure, has a good bone fixing effect and can be used for effectively overcoming the defects of difficult bone malformation correction or fracture reduction, complex operation on malformed or fractured bone and excessive dependence on the clinical experience of a doctor of the existing bone malformation correction or fracture reduction and fixation mode.

The invention discloses an orthopedics department deformity correction and bone fracture reduction fixing device and a processing method of the fixing device. The fixing device comprises an outer fixing frame or an outer fixing plate, wherein the outer fixing frame or the outer fixing plate is used for fixing needles inserted into the bone tissue, at least one end of the fixing needles is exposed out of the skin, in addition, the end part, exposed out of the skin, of the fixing needles is the end to be fixed, the outer fixing frame comprises a first fixing frame body and a second fixing frame body, the outer fixing plate is a fixing plate used for fixing all of the fixing needles inserted into the bone tissue to be fixed, and the outer fixing plate comprises one or several fixing plate blocks. The processing method comprises the following steps of image information collection before reduction, computer virtual reduction, fixing device structural design and fixing device processing. The fixing device provided by the invention has the advantages that the automatic reduction function is realized, the structure is reasonable, the fixation effect is good, and the defects of reduction deformity correction difficulty, surgery operation complexity, overdependence on the clinic experience of doctors and the like in the existing bone fracture reduction or deformity correction process can be effectively overcome.

The invention provides a traditional Chinese herbal medicine composition with a hypotensive effect and application thereof, and belongs to the technical field of traditional Chinese medicine. The traditional Chinese herbal medicine composition with the hypotensive effect comprises the following ingredients in parts by weight: 20 parts of folium cortex eucommiae, 0.05 to 2 parts of gastrodia elata and 1 to 10 parts of chrysanthemum or wild chrysanthemum. The traditional Chinese herbal medicine composition reinforces the hypotensive effect of the folium cortex eucommiae through the compatibility effect of the gastrodia elata and the chrysanthemum (wild) chrysanthemum. The traditional Chinese herbal medicine composition with the hypotensive effect has the advantages that the composition is simple, the quality can be easily controlled, and the safety is good. The traditional Chinese herbal medicine composition can be used for developing the traditional Chinese medicine, can also be used for developing health care food, and has wide application prospects.

The invention relates to a distraction device and a distraction device system, the distraction device is used for implementing distraction osteogenesis, and the distraction device comprises a shell comprising an accommodating cavity; a rotating shaft extending along the axial direction of the shell and rotatably accommodated in the accommodating cavity; a moving part comprising a first end and a second end which are opposite to each other, wherein the first end is contained in the containing cavity and arranged on the rotating shaft in a sleeving mode, and the second end is located outside theshell and used for being connected with human bones or tissue; and a magnetic rotor arranged on the rotating shaft and used for driving the rotating shaft to rotate around the central axis of the rotating shaft under the action of a first external magnetic field, so that the moving part moves relative to the shell along the axial direction of the shell. The distraction device can be integrally implanted into the body of a patient, the influence on the daily life of the patient is reduced, and the possibility of infection and falling is reduced.

The invention relates to the technical field of cable assembly equipment, and discloses a prefabricated distribution network civil engineering cable well assembly combination. The combination comprises joint clamping pillows and prefabricated ducts, wherein each joint clamping pillow comprises a pillow block at the bottom and pillow arms which are arranged at the two sides and perpendicular to thepillow block, the two ends of the prefabricated ducts are clamped and fixed by the joint clamping pillows, prefabricated side plates on the two sides of every two adjacent joint clamping pillows areconnected and fixed, a plurality of cable ducts are arranged inside the prefabricated ducts, and the joint clamping pillows, the prefabricated ducts and the prefabricated side plates are all prefabricated into standard pieces in a unified specification by a factory. The prefabricated distribution network civil engineering cable well assembly combination has the beneficial effects that the assemblytype prefabricated pieces are produced through modern machinery of the factory, the product precision is high, the quality is stable, the construction schedule duration is greatly shortened, the process quality is guaranteed, on-site complex conditions can be avoided, the application range is wide, the operation safety risk is greatly reduced, and the influence on the life of surrounding people is greatly reduced.

The invention relates to a dynamic house onsite reconstruction time and area determining method of a subsidence area, belongs to the field of mining-area house damage and onsite reconstruction, and solves the problems that a damaged village in a mining area is hard to resettle and house reconstruction needs long time. The land-surface dynamic subsidence process after exploitation of a mining areais analyzed, the subsidence deformation amount in the land surface caused by different exploitation sizes in the working face of the to-be-reconstructed area can be determined accurately, further, theresidual deformation amount of the land-surface subsidence area in the dynamic process is calculated quantitatively, compared with a house anti-deformation index, and the house onsite reconstructiontime and area in the mining process are determined. The anti-deformation house can be built as early as possible in the mining process, villagers whose houses are damaged by mining can live in new houses as early as possible, and the life quality of the villagers in the mining area is improved. The method can be used to scientifically and accurately guide house onsite reconstruction planning in the land-surface subsidence area in the dynamic mining process, and adversarial relation between workers and villagers in the mining area can be alleviated effectively.

Provided is a sidewalk integrated pipe network and drainage system, including water-collecting wells, and U-shaped grooves, hollowed-out bottom plates, and cushion layers. The water-collecting wells are arranged under side edges of a carriageway at interval, and a water-collecting opening on the upper end of the water-collecting well is provided with a water permeable cover plate A. Adjacent water-collecting wells are communicated through a rainwater pipe. The rainwater pipe is communicated with a drainage terminal. The side wall of the water-collecting well is provided with a water outlet A.The U-shaped groove comprises a left wall, a right wall, and a connecting plate connected with the lower ends of the left wall and the right wall. The connecting plate is provided with leakage holes at interval. The hollowed-out bottom plates are pavement of a sidewalk, and are arranged on the upper end of the U-shaped grooves. An overhead cavity is formed between the hollowed-out bottom plate andthe U-shaped groove. The cushion layer is arranged on the lower end of the U-shaped groove. A water inlet of the U-shaped groove and a water outlet of the water-collecting well are communicated through a pipe. The system is advantaged in that the system is beneficial for building an ecological city, an accommodating city integrated pipe network, and preventing urban inland inundation and preventing a lake on a road.

An energy-storage-type wave power generation system comprises a base pillar; floating boxes are uniformly arranged on the outer circumferential surface of the base pillar and are connected with guide posts in a sliding manner; the guide posts are fixedly supported between a lower support hub and medium support hubs; both the lower support hub and the medium support hubs are fixedly connected with the base pillar; pressure bars are arranged on the floating boxes, and are sheathed in an inflator; a piston is fixedly connected with the end heads of the pressure bars; the space between the piston and the inner wall of the inflator is sealed by a seal member; the inflator is communicated with a high-pressure air storage tank; a one-way air storage valve is arranged at the communication part between the inflator and the high-pressure air storage tank; the high-pressure air storage tank is communicated with a release cylinder through an air supply pipe; a reducing valve and a flow rate control valve are arranged on the air supply pipe; and the release cylinder is used for releasing high-pressure air flow for driving a generator. The energy-storage-type wave power generation system provided by the invention can provide stable power for a motor driving device so as to solve the problem of unstable wave power generation and meanwhile improve the utilization rate of wave energy.

The invention discloses an internally implanted anatomical elbow joint stabilizer. The internally implanted anatomical elbow joint stabilizer comprises a transverse rod placed in the rotating axis ofa capitulum humerus to serve as a humerus rotating shaft, a fixing plate fixed to ulna olecranon through screws, and a connecting rod connecting the transverse rod with the fixing plate, spacing is formed between the connecting rod and an ulna, between the connecting rod and a radius as well as between the connecting rod and a humerus, the spacing enables the connecting rod not to interfere with the ulna, the radius and the humerus during bending and stretching movement, and the transverse rod, the connecting rod, the fixing plate and the screws are all made of degradable implanting materials.According to the internally implanted anatomical elbow joint stabilizer, after an operation, bending and stretching movement can be achieved, the stability of an elbow joint can be maintained under bending and stretching movement, the appearance of the elbow and clothes wearing are not affected after the operation, stent-tract infection is avoided, the risks of wound infection and skin necrosis are reduced, and a secondary operation for taking out the stabilizer is not needed.

An integrated pipe network and drainage system for a pavement. The system comprises water collecting wells, wherein the water collecting wells are arranged below sides of the pavement at intervals, water-permeable cover plates A are arranged at water collecting ports at upper ends of the water collecting wells, the adjacent water collecting wells communicate with each other through a rainwater pipeline; and the rainwater pipelines communicate with a water drainage terminal; water outlets A are formed in side walls of the water collecting wells. The system further comprises U-shaped ditches, hollowed-out bottom plates and cushion layers, each U-shaped ditch comprises a left wall, a right wall and a connection plate connected to the lower end of the left wall and the lower end of the right wall, drainage holes are formed in each connection plate at intervals, the hollowed-out bottom plates are road surfaces of the pavement and mounted at the upper ends of the U-shaped ditches, and an overhead cavity is formed between each hollowed-out bottom plate and the corresponding U-shaped ditch; the cushion layers are arranged at lower ends of the U-shaped ditches; water inlets A of the U-shaped ditches communicate with the water outlets of the water collecting wells through pipelines. The system has the advantages as follows: establishment of an ecological city is facilitated, the municipal integrated pipe network can be accommodated, urban inland inundation is prevented, and formation of lakes on a road is prevented.

The invention discloses a combined-floating-block-type sea wave power generation system. The combined-floating-block-type sea wave power generation system comprises at least two floating blocks. The floating blocks are connected with a sliding rail on a cabin through a power rod in a sliding mode. The power rod is supported by a platform. The inner lateral side of the power rod is provided with teeth, and the inner lateral side is provided with a rack structure. An output gear of a speed-changing gear box is connected with a generator through a transmission shaft. When sea waves rise or drop, single-direction rotating of the transmission shaft is achieved through transmission accelerating of the rack structure and the speed-changing gear box, and therefore power is generated by the generator. The floating blocks are evenly distributed on the peripheral surface of the cabin, the cabin is fixedly supported on the platform, the upper portion of the cabin is covered and closed by a cover top, and the platform is provided with a foundation pile. The combined-floating-block-type sea wave power generation system improves sea wave use ratios, reduces energy consumption from the kinetic energy to the electric energy of the sea waves, and improves the efficiency of the generator.

The invention provides an X-ray capsule 3D endoscope system. The system comprises an in-vivo imaging capsule, an in-vitro signal transceiving device and an in-vitro image processing system, wherein the in-vitro signal transceiving device communicates with the in-vivo imaging capsule in a wireless mode; and the in-vitro image processing system is connected to the in-vitro signal transceiving devicein a wired or wireless mode, and the in-vitro signal transceiving device sends a control command to a capsule electronic system. The in-vivo imaging capsule is used for emitting radiation beams, detecting attenuation signals generated by the reflection of intestinal walls and intestinal contents and transmitting the attenuation signals to the in-vitro signal transceiving device; the in-vitro signal transceiving device is used for transmitting the received attenuation signal to the in-vitro image processing system; and the in-vitro image processing system is used for post-processing the imagesignals collected by the in-vivo imaging capsule. The endoscope system has the characteristics of safety, reliability, high detection precision and less influence on the normal life of patients.

The invention relates to an intelligent heat supplier. The heat supplier comprises a silence pipeline and a heat supply pump body arranged in the silence pipeline, wherein one end of the silence pipeline is connected with a heat supply network, the other end of the silence pipeline is connected with a heat pipe network, and heat supply media enter the heat pipe network from the heat supply network through the silence pipeline under the effect of the heat supply pump body. The intelligent heat supplier provided by the invention only needs to occupy small space, the operation noises are small, the energy source is saved, the intelligent heat supplier is suitable for various heat supply systems and is particularly suitable for high-rise buildings; and the intelligent heat supplier provided by the invention can be directly connected with a heat source pipe network for supplying heat, can sufficiently utilize the original pressure of the heat source pipe network, and can safely supply heat at constant pressure and constant temperature all the time under the condition that thermal load consumed by a user constantly varies.

The invention relates to an image instantly capturing and on-site recognizing platform, comprising: a plurality of cameras arranged near an advertisement display device, wherein each camera is responsible for image data collection in the direction of the orientation thereof, and the plurality of cameras respectively output multiple instantly captured images in different directions; an image combining device connected to the plurality of cameras for receiving the plurality of instantly captured images and performing a content de-duplication processing on the plurality of instantly captured images to obtain an instantly combined image after de-duplication; and a variance extraction device connected to the image combining device for analyzing the instantly combined image to obtain a first variance, a second variance and a third variance. By using the invention, it is possible to reduce the lighting influence of the advertising display device on the nearby residential buildings.

The invention relates to a distraction device and a distraction device system, the distraction device is used for implementing distraction osteogenesis, and the distraction device comprises a shell comprising an accommodating cavity; a rotating shaft extending along the axial direction of the shell and rotatably accommodated in the accommodating cavity; a moving part comprising a first end and a second end which are opposite to each other, wherein the first end is contained in the containing cavity and arranged on the rotating shaft in a sleeving mode, and the second end is located outside theshell and used for being connected with human bones or tissue; and a magnetic rotor arranged on the rotating shaft and used for driving the rotating shaft to rotate around the central axis of the rotating shaft under the action of a first external magnetic field, so that the moving part moves relative to the shell along the axial direction of the shell. The distraction device can be integrally implanted into the body of a patient, the influence on the daily life of the patient is reduced, and the possibility of infection and falling is reduced.

Provided is a sidewalk integrated pipe network and water storage and drainage system, including water-collecting wells, U-shaped grooves, hollowed-out bottom plates, water storage tanks, and water pipe assemblies. The U-shaped groove comprises a left wall, a right wall, and a connecting plate connected with the lower ends of the left wall and the right wall. The connecting plate is provided with leakage holes at interval. The hollowed-out bottom plates are pavement of a sidewalk, and are arranged on the upper ends of the U-shaped grooves. An overhead cavity is formed between the hollowed-out bottom plate and the U-shaped groove. The water storage tank is arranged under the U-shaped groove. A water inlet B and a water outlet B are arranged on the water storage tank. The water outlet B is communicated with a water utilization terminal, and adjacent water storage tanks are communicated through water pipes A. The water pipe assemblies communicate water outlets A of the water-collecting wells with water inlets A of the U-shaped groove, and communicate water outlets A of the water-collecting wells with water inlets B of the water storage tanks. The system is advantaged by accommodating acity integrated pipe network, having a water storage function, preventing urban inland inundation, and preventing a lake on a road.

The invention relates to an inoculation liquid composition and a method for building a malignant pleural effusion sourced xenotransplantation tumor animal model by using the inoculation liquid composition. The inoculation liquid provided by the invention contains the following ingredients including Hank' blanace salt buffer solution, fetal calf serum, basement membrane substrate glue and ROCK protein inhibitor. The method for building the malignant pleural effusion sourced xenotransplantation tumor animal model provided by the invention comprises the steps of collecting a clinic malignant pleural effusion sample, enriching tumor cells, using inoculation liquid suspension cells provided by the invention, and inoculating the cells into an animal so as to form xenotransplantation tumor. The model building method provided by the invention has the advantages that simplicity is easy; the implementation is easy; the tumor forming rate is high, so that the method can be used for medicine screening and mechanism study of various kinds of cancer with malignant pleural effusion.

The invention discloses an access control intercom system as well as an interaction method and device of the access control intercom system. The method includes the following steps that: an interaction call request is transmitted to an interaction terminal through a wireless communication manner according to a first operation instruction of a user of an access control machine; and a second operation instruction from a user of the interaction terminal is received, and whether a door lock corresponding to the access control machine is to be opened is determined according to the second operation instruction. According to the access control intercom system as well as the interaction method and device of the access control intercom system of the invention, interconnection of the access control machine and the interaction terminal can be realized; the user of the access control machine transmits the interaction call request to the interaction terminal in a wireless communication manner, and the user of the interaction terminal returns an instruction for indicating whether the door lock is to be opened through a wireless communication manner, and the whole process is proceeded through a wireless manner, and the life of the user is just slightly affected, and an operation process is simple. With the method, device and the system of the invention adopted, the problems of the consumption of a large quantity of manpower, material resources and financial resources for installing access control systems in old communities, serious influence on the life of the user in construction and poor user experience can be solved.

The invention relates to a construction technique for a composite pile formed through broken stone consolidation by slurry. According to the construction technique, a pile hole is dug in a pile position firstly, and a broken stone cushion layer is laid at the bottom of the pile hole; then a prefabricated pipe pile with a slurry injecting pipe is implanted into the pile hole; broken stone is fed into the pile hole, and broken stone which continues to be fed into the pile hole is vibrated to be dense; a close cover is arranged on the upper portion of the pile hole, and valves are arranged on pipe bodies, stretching out to the upper portion of the close cover, of the slurry injecting pipe and a slurry outflow pipe; slurry is pumped into the pile hole through the slurry injecting pipe till the slurry in the pile hole overflows from the slurry outflow pipe, and when the slurry concentration of the slurry outflow pipe reaches the design demand, slurry injecting is stopped, and the valves are closed; and after natural curing is finished, the composite pile formed through broken stone consolidation by the slurry is obtained. The construction technique for the composite pile formed through broken stone consolidation by the slurry is simple, quick and efficient in construction, low in noise, vibration and impacting force during construction, stable in pile-forming quality and high in single pile bearing capacity. The construction technique for the composite pile formed through broken stone consolidation by the slurry is especially suitable for construction sites with a narrow field and pile foundation construction near large buildings or historic monuments and sites and has great economic and social value.

A sidewalk based integrated pipe network and drainage system comprises a U-shaped ditch, a hollowed-out bottom plate and a cushion layer, wherein the U-shaped ditch comprises a left wall, a right wall and a connecting plate connected to the lower ends of the left wall and the right wall; water leaking holes are formed in the connecting plate at intervals; the hollowed-out bottom plate is a sidewalk pavement and mounted at the upper end of the U-shaped ditch, and an overhead cavity is formed between the hollowed-out bottom plate and the U-shaped ditch; the cushion layer is arranged at the lower end of the U-shaped ditch. The sidewalk based integrated pipe network and drainage system has the advantages that construction of an ecotypic city is facilitated, the urban integrated pipe network can be accommodated, and urban waterlogging can be prevented.

The invention provides an assembly type subway station and a construction method thereof, the assembly type subway station comprises a duct piece connecting and supporting system, the station supporting system adopts mechanical method underground excavation construction, and the duct piece connecting and supporting system comprises an assembly type supporting structure formed by assembling a plurality of prefabricated parts and a steel-concrete structure filled on the assembly type supporting structure; the prefabricated track foundation and the prefabricated platform plate are assembled and connected in the triple circular station. According to the construction method, the highly-assembled triple-circle subway station is constructed through the prefabricated parts and the bolt connection between the prefabricated parts, so that the subway station realizes component standardization and high assembly, basically realizes complete factory prefabrication of the components and on-site splicing construction, reduces manual wet operation, improves the quality of the operation environment, and shortens the construction period; according to the prefabricated subway station, mechanical underground excavation construction is adopted underground, and the influence on the life of urban residents is reduced.

A sidewalk based integrated pipe network and water storage and drainage system comprises a U-shaped ditch, a hollowed-out bottom plate and water storage tanks, wherein the U-shaped ditch comprises a left wall, a right wall and a connecting plate connected to the lower ends of the left wall and the right wall; a drainage ditch is arranged at the lower ends / end of the left wall and / or the right wall of the U-shaped ditch, and manholes A are formed in the bottom of the drainage ditch at intervals; the hollowed-out bottom plate is a sidewalk pavement and mounted at the upper end of the U-shaped ditch, and an overhead cavity is formed between the hollowed-out bottom plate and the U-shaped ditch; the water storage tanks are arranged at the lower part of the U-shaped ditch, a manhole B and a water outlet B are formed in the upper end of each water storage tank, and adjacent water storage tanks are communicated through a water pipe A; the manholes A of the drainage ditch are communicated with the manholes B of the water storage tanks. The sidewalk based integrated pipe network and water storage and drainage system has the advantages that construction of an ecotypic city is facilitated, the urban integrated pipe network can be accommodated, a water storage function is provided and urban waterlogging can be prevented.

The invention discloses a lead-free environment-friendly tin-coating copper strip. The copper strip comprises a main body, a lead-free environment-friendly tin-coating copper sheet, an upper sleeve and a lower sleeve. The upper sleeve is arranged above the main body. The lower sleeve is arranged below the main body. The main body is arranged between the upper sleeve and the lower sleeve. The lead-free environment-friendly tin-coating copper sheet is arranged on a main body surface. The lead-free environment-friendly tin-coating copper sheet is arranged between the upper sleeve and the lower sleeve. By using the lead-free environment-friendly tin-coating copper strip, the structure is simple, usage is convenient, environment pollution is greatly reduced, an influence to people life is decreased and the copper strip is not easy to melt at a high temperature.

The invention discloses a construction method of a shallow tunnel integrated system for improving the quality of the water environment. A river bottom is involved, a surge bottom regulation and storage channel box is arranged below the river bottom, an upper joint and a lower joint of the surge bottom regulation and storage channel box are located in high positions, and a sewage flowing port in the middle of the surge bottom regulation and storage channel box is located in a low position so that sewage can naturally flow into the surge bottom regulation and storage channel box. A water delivering pipe of an underground overlapping dual-pipeline co-well structure can deliver water of the sewage flowing port to a sewage treatment plant, and a water conveying pipe can send the treated water back to the midstream of a river. A through-flow section is arranged below the river bottom, and in this way, the land occupation area can be greatly reduced; meanwhile, since upper pipe sets constituting the water conveying pipe and lower pipe sets constituting the water delivering pipe are formed by construction in the same excavating well, the construction time can be greatly shortened, the occupied area of two banks along the river is reduced, and the enclosure area of a road is small, and the influence on the life of residents along the river is small. A coffer wall is adopted for waterproof isolation, various negative influences brought by closure can be avoided, and the method is used for treatment of black and odorous water.

The invention discloses a rapid recognition method for incomplete voices of old people, which comprises the following steps: firstly, training a DNN-HMM voice recognition model, then collecting voice data of the old people, sequentially carrying out preprocessing, noise reduction enhancement, stop word removal and keyword expansion on the data, constructing a voice database of the old people, and carrying out word segmentation and word vector calculation on statements in the database; and finally, converting the incomplete speech of the old people by using a DNN-HMM speech recognition model, carrying out word segmentation and word vector calculation, then matching with statements in a database, and outputting a statement with the highest similarity, thereby completing rapid recognition of the incomplete speech. According to the technical scheme, only a microphone or other voice acquisition equipment is needed to acquire the voice of the elderly, electronic detection equipment such as an electrode patch is not needed, the influence on the life of the elderly is small, the recognition speed is high, the accuracy rate is high, and the method has very high popularization value.

The invention relates to a dialysis patient phlebostomy position protection alarm device which comprises a pressure prevention assembly provided with a power source and an alarm element which are connected in series. The anti-pressing assembly is arranged on the arm band; the pressure-proof assembly is provided with a pressure-sensitive element, and the pressure-sensitive element is also connectedwith the power supply and the alarm element in series; when the pressure borne by the pressure-sensitive element is larger than a preset value, the pressure-sensitive element forms a passage; and when the pressure borne by the pressure-sensitive element is smaller than a preset value, the pressure-sensitive element forms an open circuit. The device has the beneficial effects that a patient can beeffectively protected, and the risk of external force pressing is reduced; a multi-level early warning function is achieved, alarming is conducted on pressure of different levels, alarming is more targeted, and the psychological burden of a patient is relieved; the device is convenient to carry, attractive in appearance and small in influence on the normal life of a patient.

The invention relates to a dynamic house onsite reconstruction time and area determining method of a subsidence area, belongs to the field of mining-area house damage and onsite reconstruction, and solves the problems that a damaged village in a mining area is hard to resettle and house reconstruction needs long time. The land-surface dynamic subsidence process after exploitation of a mining areais analyzed, the subsidence deformation amount in the land surface caused by different exploitation sizes in the working face of the to-be-reconstructed area can be determined accurately, further, theresidual deformation amount of the land-surface subsidence area in the dynamic process is calculated quantitatively, compared with a house anti-deformation index, and the house onsite reconstructiontime and area in the mining process are determined. The anti-deformation house can be built as early as possible in the mining process, villagers whose houses are damaged by mining can live in new houses as early as possible, and the life quality of the villagers in the mining area is improved. The method can be used to scientifically and accurately guide house onsite reconstruction planning in the land-surface subsidence area in the dynamic mining process, and adversarial relation between workers and villagers in the mining area can be alleviated effectively.