33results about How to "Don't worry about leakage" patented technology

The invention provides a temporary password usage control method and system. The method comprises the steps that after a random code generation end and a random code usage end match successfully, therandom code generation end generates the preset number of temporary passwords; the random code generation end sends the temporary passwords to the random code usage end for storage; and the random code usage end receives a current temporary password and compares the current temporary password with the pre-stored temporary passwords, and if the current temporary password is consistent with an appointed temporary password in the pre-stored temporary passwords, the check is successful. According to the method and the system, a plurality of temporary passwords can be generated at one time; throughaddition of function codes to the temporary passwords, the usage of the temporary passwords is controlled and managed; the temporary passwords can be remotely sent to temporarily authorized users invarious modes; and the temporarily authorized users do not need to operate an APP to obtain the passwords for unlocking.

The invention discloses a sunshine room roof leakage-proof method. Primary drainage channels and secondary drainage channels are formed in primary beams and secondary beams, and leakage holes are formed in the secondary drainage channels of the primary beams and communicated with the primary drainage channels. Drainage channel openings of the primary drainage channels of the secondary beams are higher than drainage channel openings of the primary drainage channels of the main beams, and a large amount of rainwater is freely drained from top to bottom. During second drainage, bearing bosses are formed on the outer side walls of the secondary drainage channels of the primary beams and the secondary beams, rubber channels are formed in bearing surfaces of the bosses, waterproof rubber is mounted in the rubber channels, glass is pressed on the waterproof rubber by the aid of weight, and the rainwater is stopped at the secondary drainage channels by the waterproof rubber and guided into the secondary drainage channels of the primary beams. The rainwater flows into the primary drainage channels through the leakage holes in the secondary drainage channels of the primary beams and is smoothly drained. The invention further discloses a sunshine room roof structure. Organized drainage is realized, roof leakage is effectively avoided, wires and pipes are distributed, the cost is low, and the heat insulation effect is fine.

The invention relates a storage device with a hidden space comprising a case, comprising at least an internal memory unit, a control unit and a communication interface unit, wherein the internal memory is electrically connected to the control unit, the control unit, comprising a virtual device module, is electrically connected between the internal memory unit and the communication interface unit for judging the inflow and outflow of instructions and control information, and the communication interface unit is electrically connected to the control unit for coupling a slot of an electronic computer; a biometric identification device, electrically connected to the control unit for receiving user' characteristic signals; and a switch device, electrically connected to the control unit for opening and closing a private zone. The invention achieves the goal of protecting digital data in a private zone without any concern about digital data disclosed to any person who holds a data disk according to a procedure of comparing a user's characteristic signals transferred from a user's features read by the biometric identification device with a test program in an automatic executive program.

The invention relates to a raincoat with sound amplification function, comprising a raincoat body, a sound collector, a sound amplification circuit, a battery, a switch, and a speaker, and the sound collector, sound amplification circuit, battery, switch, and speaker are connected in series . The invention not only has a simple structure, but also has the function of amplifying the sound without changing the propagation direction of the sound.

The invention discloses a sunshine room roof leakage-proof method. Primary drainage channels and secondary drainage channels are formed in primary beams and secondary beams, and leakage holes are formed in the secondary drainage channels of the primary beams and communicated with the primary drainage channels. Drainage channel openings of the primary drainage channels of the secondary beams are higher than drainage channel openings of the primary drainage channels of the main beams, and a large amount of rainwater is freely drained from top to bottom. During second drainage, bearing bosses are formed on the outer side walls of the secondary drainage channels of the primary beams and the secondary beams, rubber channels are formed in bearing surfaces of the bosses, waterproof rubber is mounted in the rubber channels, glass is pressed on the waterproof rubber by the aid of weight, and the rainwater is stopped at the secondary drainage channels by the waterproof rubber and guided into the secondary drainage channels of the primary beams. The rainwater flows into the primary drainage channels through the leakage holes in the secondary drainage channels of the primary beams and is smoothly drained. The invention further discloses a sunshine room roof structure. Organized drainage is realized, roof leakage is effectively avoided, wires and pipes are distributed, the cost is low, and the heat insulation effect is fine.

The invention discloses a sparking plug ignition device in a combustion chamber of a small rotary engine and a method, and belongs to the field of small rotary engines. The device provided by the invention comprises a first working chamber, a second working chamber, an ordinary sparking plug, a sparking plug channel, an ignition chamber, sealing sheets and a third working chamber, and further comprises an engine cylinder, a modified sparking plug, a modified sparking plug anode, bushings, a cathode and a triangle rotor. The sparking plug ignition device provided by the invention has the following advantages by removing the ignition chamber and the sparking plug channel: (1) energy loss is reduced and the probability of blow-by of gas between two adjacent cylinders is lowered; and (2) the compression ratio can also be improved without changing the rest of the structure, and the smaller the size of an engine, the greater the increase in the compression ratio. By improving the ignition position from the interior of the ignition chamber to the interior of the combustion chamber, the following advantages are achieved: (1) the flame propagation distance is greatly reduced, and the possibility of knocking and flame quenching of the small rotary engine is reduced; and (2) the direct contact of spark with compressed fresh gas mixture reduces the difficulty in ignition.

The invention discloses a discharging mechanism of straw discharge cleaning on the upper part of a straw methane anaerobic tank and the discharging mechanism is characterized by comprising a cleaning device and a spraying mechanism, wherein the cleaning device is installed on the cabin top of an anaerobic tank in a suspension mode; the spraying mechanism is arranged on the cabin top of the anaerobic tank; the cleaning device comprises a rotary shaft and a blade, wherein the rotary shaft penetrates through the cabin top of the anaerobic tank, and extends downward vertically to the part above aliquid level; the blade is installed on the rotary shaft in a fixed mode, and the rotary surface of the blade and the water level form an inclined angle of 60 degrees; a power driven mechanism which is used for driving the rotary shaft to perform a rotary motion and is composed of a motor and a speed reducer is installed on the cabin top of the anaerobic tank through a supporting frame; and the extending section connected by the rotary shaft of the cabin top of the anaerobic tank and the speed reducer is provided with a water seal.

The invention discloses a quick change connector device for a hose assembly pressure test and a hose assembly pressure test system. The quick change connector device for the hose assembly pressure test comprises a transitional connector, a piston cylinder and a transitional core which are sequentially connected with one another, wherein a piston-free cavity in the cylinder body of the piston cylinder is communicated with the transitional connector; one end of the transitional core is sleeved with a piston of the piston cylinder; the other end of the transitional core is provided with a structure connected with a hose assembly connector; a communicating pipeline is formed on the piston; a liquid guiding hole is formed in the transitional core; and a pressure control valve for communicatingthe liquid guiding hole and the communicating pipeline when pressure is higher than a set value is arranged between the liquid guiding hole and the communicating pipeline. The hose assembly pressure test system comprises a pressure test loop, and a boosting pump and two connector devices which are arranged on the pressure test loop; a hose assembly to be tested is connected between the two connector devices; and the connector devices are the quick change connector devices. The quick change connector device for the hose assembly pressure test and the hose assembly pressure test system have theadvantages of improving installing speed, improving test efficiency, reducing labor intensity and the like.

The invention discloses a file storage and retrieval method and device, and belongs to the technical field of cloud databases. The method comprises the following steps that: a service node receives afirst service request from a user, scans each file contained in a preset area, determines a sensitive file from the files and sends the sensitive file to a node server; the node server generates a file record according to the sensitive file and stores the file record in a cloud database; when the service node receives a second service request from a user, a file retrieval request is generated andthe file retrieval request is sent to the node server; the node server searches a cloud database for a matched file record according to the file description information contained in the second service request, generates a finding result and returns the finding result to the service node; and the service node displays the received finding result to the user. According to the method and the device,the sensitive file is stored in the cloud database, so that the sensitive file can be traced and found in the cloud database, the safety of the file can be effectively guaranteed, and a user can still directly use the sensitive file without affecting the working efficiency after finding the sensitive file.

The invention relates to a sealing device for a long-range transport ship-loading system, belonging to the technical field of mechanical equipment; and the sealing device is used for sealing the tail end of a loading pipe of the ship-loading system and a ship cabin. The sealing device comprises a fixing plate which is used for sealing an opening of the ship cabin and can be fixedly connected with side plates at the two sides of the opening of the ship cabin; and the fixing plate is provided with a feeding port which can be hermetically connected with the tail end of the loading pipe. The sealing device further comprises a dust collecting box, wherein the dust collecting box is arranged on the fixing plate, the bottom wall of the dust collecting box is provided with through holes which are communicated with the ship cabin, and the dust collecting box is provided with an interface which is used for being connected with an exhaust pipe of the ship cabin. According to the sealing device disclosed by the invention, the problems of dust rise and low ship-loading efficiency of the existing long-range transport ship-loading system because the tail end of the loading pipe can not be hermetically connected with the ship cabin are solved; the sealing device has the advantages of convenience in disassembly and assembly and good sealing performance; and a sealing state among the loading pipe, the ship cabin and a dust remover can be formed so as to ensure no dust leakage, and the ship-loading efficiency is consequently increased.

The invention discloses a method and device for preventing enterprise product authorization documents from leaking out. The method includes the following steps: S1. A system deployment module deploys the system to form a deployment environment; S2. Binds the authorization file with the deployment environment; S3. After the system obtains the authorization file, it verifies with the deployment environment; S4. If the verification is passed, the authorization file can be used; if the verification fails, the authorization file cannot be used. Through the above method and device, the authorization file is bound to the deployment environment, the authorization file has no risk of leaking, and the usage restriction of the authorization file can also be achieved in the case of not being connected to the Internet.

The invention discloses a water and air heated brick bed which comprises a brick bed base, a plurality of heating zones, a heat guide layer, a water and air heat delivery circulation system and a base plate. The water and air heat delivery circulation system is communicated with the heating zones via main delivery pipelines, the heating zones are arranged inside the brick bed base, the heat guide layer is arranged at the upper ends of the heating zones, the base plate is placed at the upper end of the heat guide layer, and a temperature sensor is further arranged in the heat guide layer. Heated hot water and heated hot air are inputted into the heating zones by the water and air heat delivery circulation system and then flow back to the water and air heat delivery circulation system via the heating zones, so that the circulation system can be formed. The water and air heated brick bed has the advantages of reasonable structure, safety and reliability in use and good heating effect, and is quite applicable to heating in broad cold regions in China in winter.