51results about How to "Achieve safety protection" patented technology

The invention provides a highway guardrail caution system, which comprises guardrail boards, electric cabinets, solar devices and a monitor station, wherein the guardrail boards are arranged on both sides of various roads, and a plurality of LED caution lamps and a plurality of LED illuminating lamps are arranged at different intervals of the guardrail boards respectively; the electric cabinets are arranged at given intervals of the guardrail boards, and can cover and control caution variation and illumination variation of the plurality of the LED caution lamps and the plurality of the LED illuminating lamps within the given intervals of the guardrail boards; the solar devices are matched with the electric cabinets, acquire and store solar energy by daylight, and take the solar energy as a main power supply source at night; and the monitor station is used for monitoring road conditions of road sections of guardrail boards covered by a plurality of electric cabinets, and can actively control variation of red caution marks provided by the LED caution lamps. The system can have the efficacies of safety protection and guidance and illumination of highway driving in normal times, can automatically control the circumference of a trip point through the monitor station to give out caution lamp signals or give out the caution lamp signals by pressing in a manual mode under the condition of emergent accidents, so as to elongate the caution distance, thereby drivers have enough time to deal with the road conditions and vehicle conditions.

The invention relates to a method and a system for determining a working path based on radiation dosage of a nuclear island, belonging to the field of nuclear radiation monitoring. The method comprises the following steps of: field measuring a radiation value of the nuclear island and generating a three-dimensional radiation dosage zoning picture; defining a plurality of selective working paths of workers according to the three-dimensional radiation dosage zoning picture to obtain a plurality of three-dimensional working paths of the workers; calculating radiation dosage values corresponding to the various paths according to the plurality of three-dimensional working paths; and giving an optimal working path of the workers according to a worker radiation dosage management file and the radiation dosage values corresponding to the various paths obtained in the step 3. According to the method and the system disclosed by the invention, workers and paths can be determined rapidly and effectively so that the workers are protected safely; and the method has the advantages of high efficiency and direct viewing.

The invention belongs to the technical field of security protection, and provides an interface authentication method, which comprises the following steps: when an interface authorization application is received, extracting an application ID and a key from the interface authorization application, the application ID being an enterprise ID or an application ID; performing authentication configurationon the enterprise ID or the application ID according to a preset configuration rule so as to grant the use permission of the application under the enterprise ID or the use permission of the application corresponding to the application ID; recording and storing configured authentication information so as to perform authentication verification on the request according to the authentication information when the request sent by the client is received; and when the authentication verification is passed, obtaining a user identity label, and allowing a client corresponding to the request to access the platform and/or call an interface of the platform. The invention further provides a device, equipment and a computer readable storage medium. The legality of the request is verified according to the configured authentication information, a normal response is given to a legal request, an illegal request is rejected, and therefore platform site resources are effectively protected.

The invention belongs to the technical field of riding type lawn mower application, and particularly discloses an accelerator braking device applied to the riding type lawn mower. The accelerator braking device is composed of a device body and an accelerator control assembly and a braking and positioning control assembly which are arranged on the device body. The accelerator braking device applied to the riding type lawn mower has the advantages that by arranging the braking and positioning control assembly, it is guaranteed that the accelerator speed cannot be increased or decreased in a braking and locking state, and then the safety protection effect of a mower is achieved; a braking locking hook and a braking locking pin are locked and not loosened on the condition that no external force driving exists, a braking rotation plate cannot rotate, and the safety protection effect is achieved; the braking rotation plate and the braking locking hook are designed and installed in a same operation area, and therefore operation is convenient.

The invention discloses an implicit protection method based on multi-sensor data fusion, which comprises the following steps: dividing the data collected by an APP-oriented sensor into user screen touch operation-related data, behavior action posture-related data and position information-related data; generating a screen touch operation feature library, a behavior action posture feature library and a position information library through the data, respectively and correspondingly and further calculating the matching probability and trust coefficient of the user with a legal owner of a mobile phone, respectively; abstracting the obtained trust coefficient and the matching probability as a weak matcher, synthesizing a strong matcher through an AdaBoosting algorithm and further calculating a comprehensive matching probability of the user with the legal owner of the mobile phone; and setting a safety matching threshold according to the type of the APP and performing protective processing according to a comparison result of the comprehensive matching probability with the safety matching threshold. The invention also discloses an implicit protection system based on multi-sensor data fusion. The method and the system in the invention can implicitly identify behaviors of illegal use of the mobile phone without the authorization of the owner and discover the situation that the mobile phone is stolen and out of control timely.

A centrifugal oil soot filter is composed of a circular supporting frame consisting of internal skeleton, connecting ribs and external skeleton, N net filters fixed to said supporting frame, a shaft sleeve of motor and connected to said internal skeleton, and fixing screws. A cleaner with said centrifugal oil soot filter is composed of said filter and an oil barrier containing said filter. Its advantages are simple structure, and high effect.

The invention relates to a virus detection method, in particular to a throat swab virus detection method with isolation, inactivation and protection functions. The throat swab virus detection method comprises multiple groups of acquisition chambers and a group of collection chambers, a servo motor is adopted to control a low-speed positioning belt conveying structure to realize conveying of throatswab before collection and throat swab samples, and in combination with glove box operation, a positive pressure air blowing system and an ultraviolet inactivation structure, complete isolation of collection workers from patients is achieved, cross infection between the patients is avoided, and further spreading of novel coronavirus diseases is basically eradicated. Complete isolation between acquisition persons and to-be-detected persons is realized, and omnibearing safety protection is achieved; and the acquisition persons have no psychological burden while effective protection is achieved,more efficient and accurate acquisition by the acquisition persons for a longer time is ensured, the accuracy and efficiency are high in combination with annular light source structures, and the throat swab virus detection method is particularly suitable for throat swab acquisition protection detection of extremely dangerous infectious disease sources.

The invention discloses a display screen luminance control method and system. The method includes: acquiring a screen-on trigger signal; starting a photosensitive sensor when a trigger signal acquisition moment is within a preset protection time period; measuring current external environment luminosity through the photosensitive sensor; controlling current display screen luminance according to theexternal environment luminosity. Therefore, convenience in display screen luminance control is achieved, and safety protection of human vision is realized.

The invention relates to a security sealing device for pumps. The security sealing device is characterized by comprising a gland (2), a taper ring (4), a taper ring thrust spring (7), a taper sleeve (5) and a pressing plate (6). The taper ring (4) is installed in a groove (26) on the gland (2) and stressed by a spring (7). The taper sleeve (5) is fixedly installed on a shaft or shaft bushing (8). A conical surface (45) of the conical ring (4) is correspondingly matched with a conical surface (55) of the taper sleeve (5). An O-shaped sealing ring (65) is installed on the inner side of the pressing plate (6). A seal ring (58) is arranged between the inner annular surface of the taper sleeve (5) and the shaft or shaft bushing (8). The inner diameter ring surface (44) of the taper ring (4) is provided with a labyrinth seal groove (48). During use, the taper ring (4) functions as a labyrinth water seal. When a mechanical sealing device on a front pump shaft is damaged too much to fail in sealing and keeping pressure in a pump cavity, the taper ring is matched with the taper sleeve (5) to form rotational frictional sealing match of two conical surfaces under pressure. Therefore, pressure in the pump cavity is kept, medium in the pump cavity is prevented from leaking outside the pump, and safety protection is achieved.

The invention relates to a winch of a depth-indicating safety alarm system. The winch of the depth-indicating safety alarm system is characterized in that the winch comprises a machine frame, a coiling block, a driving device, a depth indicator and a winch control system, an indication box is installed on a gearbox of the depth indicator, a screw rod nut pair is arranged in the indication box, and the two ends of a screw rod are respectively provided with a non-thread neutral-gear zone; a travel protection switch and a speed reduction switch which are connected to the winch control system are arranged on the surface of the indication box; the winch further comprises a transmission monitoring device monitoring whether a chain losses efficacy or not. When a nut of the depth indicator is moved, the position of a hanging point is displayed by a pointer, before the pointer approaches the upper limiting position and the lower limiting position, the speed reduction switch in trigger switches is firstly pushed by a trigger rod, the speed of the coiling block is reduced in advance, the travel protection switch is then triggered, a driving motor is stopped, and therefore damage, caused by inertia, of the depth indicator is avoided. When the chain in normal transmission is broken and losses efficacy, an idler wheel and a cantilever which are placed on the chain fall down due to dead weight and hit a travel switch of the cantilever, and therefore power is off and the winch is stopped under the control of the winch control system.

The invention discloses a notebook computer with hardware safety protection. An image acquisition module of the notebook computer is provided with a cover body; and the cover body can shield the image acquisition module to prevent images from being sent to other computers by mistake and prevent intruding and monitoring of hackers. The notebook computer with the hardware safety protection effectively achieves the safety protection by the hardware.

The invention relates to an LED illumination module with both the heat radiation and the automatic power off functions. The LED illumination module comprises a power supply unit, an LED illumination unit, a heat radiation component and a circuit connecting the power supply unit, the LED illumination unit and the heat radiation component; wherein, the circuit connecting the power supply unit, the LED illumination unit and the heat radiation component is arranged in a series connection state, so that the power supply unit, the LED illumination unit and the heat radiation component are integrated into a circuit unit. Because of the design mechanism, when the heat radiation component is burnt out and damaged, the LED illumination unit is powered off subsequently, and thereby the burning out of the LED illumination unit caused by over heating can be effectively avoided, and the practical progression of safe protection as well as service life prolonging can be achieved.

The invention relates to an integrated case of the sentry facilities of armed police, which comprises side walls, a pedestal provided with a universal wheel and a case body formed by panels, also comprises a lifting door with a lock, two front doors with the locks, a keyboard drawer and a decorative board which are arranged behind the case body, a warning button, a sentry-inspection emergency button, an electronic watch, an interphone, and a private network phone which are arranged on the panel, a private integration power which is fixed on the pedestal, a bullet case which is provided with an electromagnetic lock and embedded on the side wall, wherein, the DC 6V output terminal of the private integration power is connected with the electronic watch, the DC 9V output terminal is connected with the interphone, and the DC 12V output terminal is respectively connected with the warning button, the sentry-inspection emergency button and the electromagnetic lock on the bullet case. The case of the invention has the advantages that: the appearance has no welding seams and is beautiful and elegant, the operation is convenient, system power supply is stable, and lightening-proof function is internally arranged, thus achieving safe protection, overvoltage protection and lightening strike protection.

The invention discloses a safety cable bridge. The cable bridge comprises a cable bridge body, wherein a sealed mounting cavity is formed in the cable bridge body; two side surfaces of the cable bridge body are respectively provided with a plurality of chutes communicated with the mounting cavity; each sliding groove extends upwards from the bottom. A cable is arranged to pass through the chute onthe cable bridge body. The cables are arranged in the sliding grooves in the two sides and penetrate through the whole installation cavity. One or more partition plates are arranged in the mounting cavity in the width direction of the cable bridge body, each partition plate corresponds to one cable, the tops of the partition plates are fixedly connected with the cable bridge body, the bottoms ofthe partition plates are mobile faces, arc-shaped winding parts are formed on the mobile faces of the bottoms of the partition plates, and the cables are arranged in the arc-shaped winding parts to befixed. According to the cable bridge, the active cables and the passive cables are arranged in an isolated mode, mutual influence between the cables is prevented. Meanwhile, the isolation parts are used for winding protection when accidents happen to the cables, the safety of the cables is further improved, and the safety performance of the cable bridge is improved.

The invention discloses a dual-purpose grinding machine, and belongs to the field of grinding machines. According to the technical scheme, the dual-purpose grinding machine comprises a grinding wheelframe, outer wall grinding cones and an electric supporting base, a stand column is welded to the upper end of an electric supporting base, a sliding air cylinder is fixedly installed on the front surface of the stand column, the grinding wheel frame is installed on the front surface of the sliding air cylinder in a sliding mode, and up-and-down sliding blocks are welded to the back surface of thegrinding wheel frame. According to the dual-purpose grinding machine, the upper wall and the outer wall of a workpiece are ground, and an outer wall grinding cylinder, lifting air cylinders and fixing plates are welded, so that the outer wall grinding cylinder can be effectively moved up and down and rotate, and therefore the workpiece can be ground in a multi-angle mode, and the problem that grinding is difficult to carry out due to the fact that the size the circle diameter of the workpieces is different is solved; buffer cylinders are combined with grinding heads, so that the workpieces with different diameters can be effectively ground, and the working efficiency of the grinding machine is improved; and a dust receiving plate and dust suction holes are adopted, so that dust generatedby grinding of the workpieces can be effectively stored, and then the dust generated by grinding of the workpieces can be prevented from entering the interior of the machine to cause barriers.

The invention discloses an excavator for debris flow post-disaster road treatment. The excavator comprises a machine body, an operation cavity penetrating through the machine body left and right is formed in the machine body, an excavator body is fixedly arranged on the front inner wall and the rear inner wall of the operation cavity, and the front inner wall and the rear inner wall of the operation cavity are each provided with two smashing and pressing cavities with openings facing the direction close to the center of the operation cavity. The excavator is simple in structure and convenient to operate, when debris flow causes road blockage, stones and soil sliding down on the road can be separated through a braking mechanism of the device, the stones are crushed and then laid on the soil, then the road can be flattened through a flattening mechanism, therefore, first-aid repair equipment can quickly pass through the blocked road section, when the debris flow phenomenon occurs again in the road section first-aid repair process, the excavator can be fixed to the end face through a fixing mechanism, thus the excavator is prevented from being washed away by debris flow, and safety protection of the excavator and a driver is achieved.