36results about How to "From loss" patented technology

The invention relates to a risk assessment method for a thermal pipeline system. The method comprises the following steps of: 1, collecting and surveying materials required by pipeline system risk factors; 2, performing macroscopic test and professional inspection on pipelines; 3, performing professional analysis; 4, determining numerical values of the risk factors according to the technical standard, operating parameters and expert assessment; 5, inputting the numerical values of the risk factors to a computer, and performing risk calculation by using a risk assessment model; 6, outputting a risk assessment result, so that a decision maker decides whether to accept according to the risk assessment result; 7, if the risk assessment result cannot be accepted by the decision maker, finding and processing the major factor influencing the value at risk and performing risk calculation again; and 8, if the risk assessment result is accepted by the decision maker, finishing the assessment procedure. According to the risk assessment method, risk assessment is performed by using the risk model, so that a decision-making basis is supplied to the decision-maker, accidents such as breakage, collapsing or burst are reduced or avoided, the service life of the pipelines is prolonged, and human life and property are prevented from being lost.

An engine power boost system for an internal combustion engine, a corresponding method and an excavator are disclosed. The system comprises sensing means for sensing a load intended to be overcome by the engine during the operation of the engine, and an engine controller connected with the engine and the sensing means for receiving load information from the sensing means and controlling the operation of the engine. The engine controller is configured to activate an engine power boost by increasing the limit of fuel injection quantity of the engine from a standard injection quantity limit to an increased injection quantity limit when the load information indicates that the load is increased over a load threshold, and to end the engine power boost by recovering the standard injection quantity limit after the engine power boost has been activated for a preset duration. The engine can be protected effectively by means of the system and method of the disclosure.

The present invention discloses blueberry fruit powder and blueberry fruit reduction juice and a production method thereof. The production method includes the following steps: (1) pretreatment; (2) beating treatment; (3) ultrasonic treatment; (4) filtration; (5) blueberry juice concentrate preparation; (6) blueberry fruit powder preparation; and (7) blueberry fruit reduction juice preparation. The production method develops the blueberry fruit powder and the blueberry fruit reduction juice which are high in functional component contents, conducive to storage and transportation, sale and consumption; when producing the blueberry fruit powder, trehalose phosphate solution is creatively used to process blueberry fruit pieces, playing roles of trehalose and phosphate in protecting and stabilizing blueberry fruit cells and functional materials; the ultrasonic treatment is carried out when producing the blueberry fruit powder, enhancing permeability of the blueberry fruit cells, and making the trehalose and the phosphate more likely to enter the cells to play a protective role.

The invention discloses a communication base station theftproof system, which comprises a central processing unit, a sensor for monitoring an alarm event and an actuating device to carry out active sanctions on thieves. A signal output end of the sensor is connected with a signal input end of the central processing unit; and a signal output end of the central processing unit is connected with a signal input end of the actuating device through a drive circuit of the actuating device. By using the sensor to automatically monitor and the actuating device for active sanction to carry out the active sanctions on the thieves, the invention effectively improves the defects that the traditional protective system only passively alarms but cannot actively apply the sanctions on illegal invaders and can effectively reduce the loss caused by the illegal invaders or theft criminals. In addition, the sensor and the actuating device are respectively connected with the central processing unit by adopting cables; and the whole system has balanced power supply, detection capability for resisting the damage, stable work and convenient installation, prevents the criminals from successfully realizing the theft act and protects a base station from being lost.

The invention relates to a buffer type explosive flame isolation device comprising a shell, and a sleeve device, a valve core, a valve core base, a reset device and a positioning device which are arranged in the shell, and the valve core is connected to the sleeve device; and the sleeve device is connected to the reset device, can be rotated in the shell axially, and located through the positioning device. The device adopts mechanical principles completely, without electrical components, and has the advantages of low operating cost and high reliability. The quick turnoff of the device within the time difference between explosive blast and explosive flame is ensured, and the seal of the joint surface is closed quickly; and quick positioning and reset after action are achieved.

The invention provides a medical adhesive as well as a preparation method and application thereof. The medical adhesive is prepared from the following raw materials: rosin resins, a hydrophilic glassypolymer, hydroxy cellulose, sodium alginate, polyphosphate, hydroxyapatite, thermal expansion microspheres and a solvent. The medical adhesive has the advantages of strong adhesion to dental materials, high adhesion strength, small influence change on cold and hot environments, realization of automatic shedding of the adhesive in an effective and comfortable manner through applying heat generatedby ultrasonic waves, being free from residual, and being free from damage to teeth.

The invention relates to a power assembly (4) for a medium- or high-voltage converter (1), preferably a modular multi-level converter, comprising at least one power semiconductor assembly (7), preferably an IGBT assembly, at least one energy accumulator assembly (9), preferably a capacitor assembly, at least one cooling device (14), wherein the cooling device (14) is designed as a cooling plate (17) through which a coolant can flow, in particular a cooling fluid, and the at least one power semiconductor assembly (7) and/or the at least one energy accumulator assembly (9) are arranged on an upper (18) and/or underside (19) of the cooling plate (17), and wherein at least the power semiconductor assembly (7) is thermally conductively connected to the cooling plate (17), and wherein the cooling plate (17) is provided for load-bearing support on a frame (2) of an associated receiving space (3) of the medium- or high-voltage converter (1), and has protruding support surfaces (16) laterally in the transverse direction (11) in relation to at least one energy accumulator width (21) of the energy accumulator assembly (9).

The invention belongs to the fire industry, and particularly relates to a three-dimensional intelligent fire extinguishing and rescuing device for tunnel fire. The three-dimensional intelligent fire extinguishing and rescuing device for tunnel fire comprises a tunnel aerial fire extinguishing vehicle, a tunnel ground fire extinguishing vehicle and a tunnel ground rescuing vehicle, wherein the aerial fire extinguishing vehicle is arranged above two side walls in a tunnel; an aerial fire extinguishing vehicle water tank is fixedly arranged above an aerial fire extinguishing vehicle power batterypack; a ground fire extinguishing vehicle limiting guide wheel is embedded into a ground fire extinguishing vehicle limiting guide rail; a ground fire extinguishing vehicle limiting guide hydraulic support arm is arranged in the middle of a top surface frame of a ground fire extinguishing vehicle body; the tunnel ground rescuing vehicle is arranged on the ground of pedestrian passageways on bothsides of the tunnel; and a rescuing vehicle limiting guide hydraulic support arm is fixedly arranged above a rescuing vehicle body. According to the device, fire extinguishing and rescuing devices arearranged along the two side walls of the tunnel, so that the safe running space of each lane in the tunnel is not occupied. The fire extinguishing vehicle can arrive at a fire scene rapidly at firsttime after receiving an instruction, so that fire extinguishing operation can be implemented in time at the initial stage of fire.

The invention discloses an inflatable device, which includes a support tube with a hollow tubular structure. One end of the support tube is opened as the intake end, and the other end is opened as the exhaust end. The support tube is between the intake end and the exhaust end. The middle part of the pipeline between them is provided with a ventilation ring groove adjacent to the exhaust end; an air needle is slidingly matched in the support tube, and the air needle includes a support base and a needle tube connected with the support base, the support base is slidably arranged in the support tube and It can move along the central axis of the support tube. The support base is provided with a radial air hole a and a radial air hole b arranged along its radial direction and having at least one open end. The radial air hole a and the radial air hole b are independent of each other and mutually If it is not connected, the side of the support seat facing the intake end of the support tube is provided with a communication hole for connecting the radial air hole a and the air intake chamber, and the support seat is provided with a connecting hole for connecting the radial air hole b, The central airway of the needle lumen.

The fastening bolt and nut assembly comprises a screw head and a first T-shaped sliding rod, a transverse rod is slidably connected with a barrel body, a first reset spring is arranged in the barrel body, a bearing is fixedly embedded into the inner top face of the screw head, an inner ring of the bearing is fixedly connected with an internal thread barrel, and the bottom end of the internal thread barrel penetrates into a screw rod and is rotationally connected with the screw rod; a first transverse rod is slidably arranged in the through groove in an attached mode, the section of the first transverse rod is square, T-shaped threaded rods are rotationally arranged in the internal thread barrel, the section of a transverse rod of each T-shaped threaded rod is round, the inclined waist of each trapezoidal block is attached to one end of a transverse rod of a cross-shaped sliding rod, the annular barrel is made of alloy steel materials, and a third T-shaped sliding rod is welded to the corresponding trapezoidal block. And the wall thickness of the cross-shaped sliding rod is 6-10mm, so that the drumstick can repeatedly beat the drum to make a sound to prompt and alarm when the drum is stolen, workers are reminded to inspect, an effective anti-theft effect is achieved, properties are protected, loss is avoided, and the use requirements are met.

The embodiment of the invention provides a security system for a transformer substation. The security system comprises a video subsystem, a management subsystem, an isolation access control subsystem and an escape access control subsystem; the video subsystem is used for obtaining fire alarm information sent by fire-fighting equipment in a transformer substation, judging whether a fire alarm event occurs in the transformer substation or not, if so, obtaining fire information in the transformer substation through the environment information, sending a first notification message containing the fire information to the management subsystem; the management subsystem is used for sending a first indication message for indicating the escape access control subsystem to open an escape door to the escape access control subsystem, and if the fire behavior in the transformer substation is determined to move towards the direction of the power transformation equipment, sending a second indication message used for indicating the isolation access control subsystem to close an isolation door used for preventing the fire from moving to the power transformation equipment to the isolation access control subsystem.

A method implemented by a microprocessor for securing data, receiving an authentication string from a user as input for authenticating the user to access an application; obtaining the data from the user during authentication for protecting the data, wherein the protection comprises encrypting the data, encrypting to generate encrypted data and a private key; associating the authentication string with the private key to generate a first safety key; storing the encrypted data in a data file, wherein the first safety key is stored in the data file together with the encrypted data; and transmitting, by the microprocessor, the data file to an application server associated with the application for encrypting the data file, the encryption of the data file generating a second safety key.

The present invention discloses an energy-saving geoheat floor ground surface drainage structure, which comprises a bedroom floor (1), a toilet floor (2), a geoheat pipe (3), fine stone concrete (4), a bushing (5), a sealing glue (6), a waterproof material reinforcing layer (7), a thermal insulating layer (8), and a floor drain (9). With the structure of the present invention, the bushing is pre-embedded on the bottom portion of the wall between the bedroom and other life rooms and the toilet, and the waterproof reinforcing layer is paved, such that the leaked water caused by the geoheat pipe breaking and the like on the geoheat floor ground surface can be drained to the toilet so as to be drained through the floor drain, such that the downstairs loss caused by the water leakage can be avoided.

The invention relates to a spark automatic induction recognition sensor and belongs to the field of gas dust explosion prevention and control. The sensor comprises an electrical structure and a shell;the electrical structure is arranged in the shell and is composed of a micro-processing system, an output module, an infrared acquisition and amplification circuit, a pollution detection module, a communication module and a power supply module; the shell comprises an automatic cleaning interface, a shell main body, a light sensing window and a flange. The sensor is applied to production places where sparks can be generated and cause dangers, a real dangerous spark can be rapidly induced, recognized and judged, and a good preventive effect is achieved for preventing combustion explosion accidents.