37results about How to "Improve the safety protection factor" patented technology

The invention discloses a device for monitoring working or fusing state of a fuse, and relates to field of power transmission and distribution of power systems. The device for monitoring the working state of the fuse is connected in parallel near the fuse on a power transmission line. One end of the monitoring device is connected with a line load end, and the other end of the monitoring device is connected with a line power end. When the monitoring device monitors the information that the fuse in a three-phase power supply fuses and ages to be broken (no contact) or breaks down, comparison is carried out with the voltage in a monitoring module and after making judgment, the monitoring device sends a fault signal to give an alarm. At the same time, an indication output end sends the signal to electric equipment to cut off the power supply of the electric equipment so as to protect the electric equipment. The monitoring device improves the safety protection factor of a circuit and provides great convenience for the power transmission and distribution management of the power system.

The invention relates to an enhanced water-cooled cable sleeve rubber material and a manufacturing technology thereof. The material consists of 18wt% of natural rubber, 12wt% of butylbenzene rubber, 7.95wt% of butadiene rubber, 8.5wt% of chloroprene rubber, 10wt% of peel reclaim, 9.5wt% of high abrasion carbon black, 15wt% of kaolin, 9.5wt% of light calcium carbonate, 2wt% of zinc oxide, 0.6wt% of stearic acid, 0.1wt% of paraffin, 0.4wt% of accelerant M, 0.25wt% of accelerant TMTD, 0.4wt% of accelerant DM, 1wt% of anti-aging agent, 0.8wt% of sulfur, 3wt% of pine tar oil and 1wt% of engine oil; through the manufacturing technology of plastication, one-section mixing, two-section mixing and three-section mixing, the water-cooled cable sleeve rubber material with comprehensive performances of high pressure resistance, high temperature resistance, abrasion resistance, shock resistance, thermal radiation resistance, aging resistance and the like is obtained; a water-cooled cable protective sleeve manufactured from the material can improve the safety protection coefficient of industrial electric heating equipment heavy current busbars, and the service life of the water-cooled cable protective sleeve is also prolonged exponentially.

The invention related to a method for controlling an automatic hydroform unit, in particular to a method for automatically controlling the automatic hydroform unit of a fly ash brick. The invention consists of a material automatic adjustment, compacting protection in the compacting process, automatic cleaning of a brick-clamping device, a single layer of billet placement, a double layer of stacking way and an automatic controlling of a feeding machine. The invention is characterized in that the automatic operation process of the automatic hydroform unit is combined together, under the automatic controlling situation of all the above processes, to realize the automatic operation mode of the automatic hydroform unit. The invention also realizes operating when having material and operation-stopping and stand-by when having no material-supplying, an automatic hanging and feeding streaming vehicle are completely interlocked with the whole production line, thus realizing an automatic controlling method of continuous production by the automatic hydroform unit. The producing automation is increased to ensure the contracting process of the product with a high quality and a high yield.

The invention discloses a strong rock burst roadway supporting method. According to the bolt-mesh-anchor type support coupling supporting structure, a three-level combination supporting manner including anchor net, a U-shaped shed and energy absorption and impact prevention supports is adopted. The method comprises the following steps of first, after rock burst mine roadway tunneling is carried out for 100 centimeters, metal net is laid on the roof and the sides of a roadway, and energy absorption and impact prevention anchor rods are installed and fixed; second, anchor rod installation holesare perforated in the roof of the roadway, and the anchor rods are installed in the anchor rod installation holes; third, the U-shaped shed is placed, and the lap joint position of the U-shaped shed is locked; fourth, along with mine roadway tunneling, the first step, the second step and the third step are completed in a cycle manner; and when roadway tunneling is carried out for 600 centimeters to 800 centimeters, the energy absorption and impact prevention supports start to be installed, and along with mine roadway tunneling, the first step, the second step, the third step and the fourth step are completed in a cycle manner. The impact prevention supports are adopted for reinforcement and supporting according to the geological conditions of a roadway while tunneling is carried out, and stability and safety of the roadway are guaranteed. The strong rock burst roadway supporting method has the important practical significance and the significant social benefit in the aspects of high-efficiency mining with coal mine security guaranteed, production cost reduction, economical benefit improvement, social stability maintenance and the like, and has the broad application prospect.

The invention discloses an ATM safety protection cabin. When self-service equipment or the protection cabin is broken by people, the condition can be detected in the first time and handled so that the public security organization can be assisted in detecting card stealing and robbing and other cases done by criminals at large, the society security is maintained, and idlers are prevented from occupying bank resources and affecting using of other users. The ATM safety protection cabin comprises a single-man cabin body which is made of bulletproof or explosion-proof glass, an ATM is mounted in the cabin body, an electronic access control system is arranged on the cabin body, a ventilation device, an intelligent voice device, an automatic lighting device, a monitoring device, a remote control device and a remote stopping and frightening device are further arranged in the cabin body, and the monitoring device, the remote control device and the remote stopping and frightening device communicate with a control center.

The invention relates to an intelligent skirt, comprising a skirt body, a cold light source, a single-chip microcomputer minimum system, a display driver circuit, an emotion and mentality parameter detection module and a power module, wherein the cold light source is arranged at the inner side of the skirt body; the single-chip microcomputer minimum system is connected with the cold light source through the display driver circuit, an output port of the emotion and mentality parameter detection module is connected with an input port of the single-chip microcomputer minimum system, the single-chip microcomputer minimum system controls the display color of the cold light source according to the detection result of the emotion and mentality parameter detection module, and the power module can supply power to all modules. The intelligent skirt provided by the invention can replace the original warning clothing, replace the warning clothing enhancing the visibility by the reflected light, in addition, a gleamy pattern can be arranged according to the preference of a user, the color of the pattern can be changed according to the mood of the user, and fashion and personality can be shown.

The present invention discloses a building door control system. The system comprises an IC card identification device, a biological identification device, a main control device, a detection device andan alarm device; the IC card identification device is used for identifying IC card information of a user and sending the IC card information to the main control device; the biological identificationdevice is used for identifying biological feature information of the user and sending the biological feature information to the main control device; the main control device is used for matching the ICcard information and/or the biological feature information with pre-stored user information, controlling a gate to be opened when matching succeeds and controlling the alarm device to work when matching fails; the detection device is used for acquiring moving information of the user in the gate within the preset time and sending the moving information to the main control device; and the main control device is also used for carrying out counting according to the moving information and controlling the alarm device to work when a counting result exceeds a preset threshold value. The safety protection coefficient of the door control system can be further improved.

The invention relates to the technical field of communication towers, in particular to a communication tower with an anti-falling device, which comprises a communication tower body and a controller arranged on the communication tower body, and further comprises a winding module arranged on the communication tower body, and a safety rope is wound in the winding module. The winding module can control the winding work of the safety rope; the anti-falling hook is detachably mounted on the communication tower body and connected with the safety rope; the memory modules are uniformly arranged on the communication tower body and used for monitoring the position of a maintainer, and the memory modules are electrically connected with the winding module; on the premise that the safety protection effect is guaranteed, electric energy is saved, continuous work of the stepping motor is avoided, compared with a traditional communication tower, the safety protection coefficient of the device is high, and the life safety of a maintainer during high-altitude operation can be effectively guaranteed.

The invention discloses a full prism reflective material and the processing technology thereof and relates to the technical field of a reflective material. The full prism reflective material includesa substrate, a composite adhesive layer, a plating layer, a focusing layer, a full prism layer, a surface layer and a film protective layer, wherein the composite adhesive layer, the plating layer, the focusing layer and a surface layer material are processed, and full prism coating and making, plating, adhesive coating and composition processes are performed to obtain the finished full prism reflective material. The full prism reflective material is advantaged in that the processing technology is simple without a baking channel, the full prism reflective material can be continuously produced,the fluorescence technology is combined with the full prism reverse reflective technology, road safety protection factors can be effectively improved, reuse can be realized, the entire working environment is cleaner, no exhaust is emitted, and environmental health is realized.

The invention discloses a sewage treatment method based on a frequency converter, comprising a sewage treatment system, an electric control module for sewage treatment and an electric control module for sludge treatment; the sewage treatment system includes a mechanical treatment module and a biochemical treatment module, and the mechanical treatment The module includes a sewage collection tank, a filter grill, a sedimentation slant plate and a sludge tank, and the electrical control module for sewage treatment includes a sedimentation tank, a water level detection controller, S7‑300, CVF‑P2‑4T0220, industrial/frequency conversion switching control circuit And frequency conversion/power frequency switching circuit, the sludge treatment electrical control module includes S7-300-1, water level detection controller 1, sludge tank and CVF-P2-4T0300, and an upper limit water level sensor 1 is arranged in the sludge tank And the upper limit alarm water level detector 1, the invention has the beneficial effects of high system integrity, good purification treatment effect and high safety protection performance.

The invention creates a vehicle hydraulic buffering safety protector, and belongs to the technical field of mechanical processing manufacture. The vehicle hydraulic buffering safety protector solves the technical problems: the protector can buffer and weaken destructive power produced by the collision of motor vehicle in driving. If a front bumper and a rear bumper of the collided motor vehicle are provided with the vehicle hydraulic buffering safety protector, two vehicles collide, the vehicle hydraulic buffering safety protectors arranged in two vehicles contact and collide first; after the collision, a spring assembled in the vehicle hydraulic buffering safety protector contracts under the action of external force and transfers force to an assembled piston, the piston is pushed to produce displacement, the displacement of the piston pushes liquid in a conduit to flow to other vehicle hydraulic buffering safety protector; therefore, the protective function of linkage buffering is produced. The vehicle hydraulic buffering safety protector prevents serious consequence of accidents of vehicle damage and life loss caused by vehicle crash.

The invention discloses a front and rear-interlocking switch cabinet, which comprises front door interlocking, a front lower door, a control unit room, a bus room, rear door interlocking, a rear upperdoor, a grounding switch operation shaft, a cable room, a switch cabinet body and rollers, wherein one side of the upper end of the switch cabinet body is provided with the control unit room; the other side of the upper end of the switch cabinet body is provided with the bus room; one side of the upper end of the switch cabinet body is provided with the rear upper door; the rear upper door is hinged with the switch cabinet body through rear door interlocking; the inner lower end of the switch cabinet body is fixed with the grounding switch operation shaft; one side of the lower end of the switch cabinet body is provided with the cable room; the other side of the lower end of the switch cabinet body is provided with the front lower door; the front lower door is fixedly connected with the switch cabinet body through front door interlocking; and four rollers are arranged around the lower end of the switch cabinet body. The front and rear-interlocking switch cabinet has the beneficial effects that the cable room can be ensured not to be entered in the case when the cable side is charged, moving and use are convenient, and mounting of the grounding wire is convenient.

The invention relates to a fuel gas ball valve. The fuel gas ball valve comprises a valve body, a gland, a valve deck, a valve ball and a valve rod, wherein a connecting plate is arranged on the valvebody, the gland is matched with the valve body, and a valve body runner is formed by combining the valve body and the gland; a pressing plate is arranged on the gland, the gland is connected with thevalve body through a countersunk screw, a first counter bore is formed in the pressing plate, the countersunk screw is contained in the first counter bore, the valve deck is arranged above the valvebody and connected with the valve body through a countersunk screw, a second counter bore is formed in the valve deck and runs through the valve deck, and the countersunk screw is contained in the second counter bore; the valve ball is rotationally arranged inside the valve body runner; the valve rod penetrates through the valve deck to be rotationally arranged inside the valve body and is connected with the valve ball, and the valve ball synchronously rotates along with the valve rod. Due to the fact that the valve body and the gland are connected through the countersunk screw, the valve bodyand the valve deck are connected through the countersunk screw, and sealing is performed through paraffin, safety protection is achieved, and the service life of the valve is prolonged.

The invention discloses an automobile Bluetooth fingerprint lock, which comprises a shell assembly, a fingerprint patch assembly, a PCB (printed circuit board) assembly, a motor assembly, and a gear assembly, the shell assembly comprises an upper shell and a lower shell, the upper shell and the lower shell are connected together through screws, the bottom of the lower shell is provided with a square through hole, the center position of the outer surface of the upper shell is provided with a recess which matches with the fingerprint patch assembly, the fingerprint patch assembly is arranged inthe recess, the upper end of the PCB assembly is arranged on the inner surface of the front shell through screws, the lower end of the PCB assembly passes through the square through hole of the lowershell and is connected to an automobile power supply, the upper end of the motor assembly is fixedly arranged at the position of the right end of the outer surface of the lower shell and connected tothe PCB assembly through wires, the left end of the motor assembly is connected to the gear assembly, and the gear assembly is fixedly connected to the motor assembly. The safety protection coefficient of storage boxes is increased, which helps protect personal articles and prevent privacy of an automobile owner from leaking.

The invention provides a fuse wire and a fuse tube for a fuse. The fuse wire comprises a copper-plated stainless steel rod (11), a first melt (12), a second melt (13), a stainless steel wire (14) and a zinc-plated copper stranded wire (15) which are connected through a connecting component (16). The fuse tube comprises an inner-layer arc extinction tube (21) and an outer-layer arc extinction tube (22), wherein the first melt (12), the second melt (13) and the stainless steel wire (14) are nested in the inner-layer arc extinction tube (21); the inner-layer arc extinction tube (21) is nested in the outer-layer arc extinction tube (22). According to the fuse wire and the fuse tube, adopting the structure, for the fuse, the safety protection coefficient of circuit equipment is increased.

The invention discloses a car head buffer device of a driverless car. The car head buffer device comprises a car head upper edge frame body and a car head lower edge frame body; bearing bars are arranged at the bottom of the car head upper edge frame body and the top of the car head lower edge frame body correspondingly; vertical columns are vertically mounted at the bottom of the bearing bar on the car head upper edge frame body at equal distances; buffer pieces are arranged on the sides, close to a car head front sealing plate, of the vertical columns at equal distances from top to bottom; and bearing plates are fixed to the ends, away from the vertical columns, of the buffer pieces. The vertical columns are arranged at the bottoms of the bearing bars on the car head upper edge frame body and the car head lower edge frame body, the buffer pieces are arranged on the vertical columns, the bearing plates are mounted at one ends of the buffer pieces, second buffer springs are arranged between the bearing plates and the car head front sealing plate, thus when a car head of the driverless car is collided, impact force is buffered well, and the effects that the impact resistance capacity is high, and the good safety protection function on parts in the car head and passengers in the car is achieved are achieved.