65results about How to "Improve security measures" patented technology

The invention proposes a high power charging system for an electric car. The high power charging system comprises a power cell, a charge connecting device, an external power supply device, and an electric control device, wherein the power cell is arranged inside the electric car; the charge connecting device comprises a power supply plug and an automobile plug; the external power supply device is connected with the power supply plug of the charge connecting device; the charge control device is arranged inside the electric car, connected with the power cell and connected with a car plug of the charge connecting device; and a modulated pulse-width modulation (PWM) wave signal is transmitted by the charge connecting device between the charge control device and the external power supply device, so as to achieve communication of the charge control device and the external power supply device. By adopting the system, uniform switching of a working state of each system can be achieved; each split system of the car is harmonically controlled; and the high power charging system is strong in compatibility. Meanwhile, a control method of the high power charging system for the electric car is also provided by the invention.

The invention relates to a method for preparing a multi-layer hydrogen-permeation-resisting composite membrane, and belongs to the material technology field. The method adopts a coupling technique of aluminum and aluminum alloy coating and micro-arc oxidation to form the multi-layer hydrogen-permeation-resistance composite membrane at the home position on a stainless steel basal body, the composite membrane comprises an alloy layer formed by the basal body and coating metal, a coating metal layer, a composite layer formed by the coating metal and oxide ceramic and an oxide ceramic layer, etc., as shown in picture 1. Compared with the prior art, the method has the advantages of the aluminum and aluminum alloy coating and the micro-arc oxidation, overcomes the defect of the prior single technique, and forms the multi-layer hydrogen-permeation-resistance composite membrane with high capability; the ceramic layer thereof has controllable thickness, high compactness, good quality, and firm combination with the basal body, thereby enhancing the hydrogen-permeation-resisting and the corrosion-resisting properties of the stainless steel, improving the hot oxidation resistance and the abrasion resistance of the stainless steel, prolonging service life of the stainless steel container, and strengthening safety precautions.

The invention discloses an anticollision device for the rear of a truck, which comprises a collision cross bar and a pair of screw shearing energy absorbers arranged on both sides of the rear of a truck, wherein the thread shear energy absorbers respectively comprise a crank, a connecting rod, an energy absorbing screw and a shear slide block. The energy absorbing screws are arranged on a frame of the truck, the shear slide blocks are sleeved on the energy absorbing screws, the upper ends of the cranks are hinged to the frame, the upper ends of the connecting rods are hinged to the shear slide blocks, the lower ends of the connecting rods are hinged to the lower ends of the cranks, and the collision cross bar is connected with the lower ends of the connecting rods or the cranks of the thread shear energy absorbers. The anticollsion device for the rear of a truck has the advantages of simple structure, simple disassembly and assembly and stable absorption of collision energy, and prevents a rear-ended car from entering space below a truck.

The invention discloses an incremental launching construction method for a large-span steel box girder spanning a constructed road. An incremental launching steel box girder spans the constructed road, is supported by five permanent buttresses, and is formed by a plurality of steel box girder segments which are spliced back to front; the five permanent buttresses are all uncovered girder double-cylinder pillars; the uncovered girder double-cylinder pillars respectively consist of two cylindrical buttresses which are supported below the left side and the right side of the steel box girder; the incremental launching construction method for the incremental launching steel box girder comprises the following steps: I, splicing jig frames; II, constructing temporary buttresses and rigid brackets; III, splicing the steel box girder and mounting guide beams; IV, mounting an incremental launching device and a second longitudinal slideway beam; V, performing incremental launching. The method disclosed by the invention is simple in step, reasonable in design, simple and convenient to construct and good in use effect, and by constructing the rigid brackets on the outer sides of the buttresses and mounting a longitudinal slideway and a transverse deviation correcting device, the incremental launching construction of the large-span steel box girder can be easily, conveniently and rapidly completed.

The invention relates to a system and a method for achieving transaction safety protection of financial card based on location binding, wherein the system comprises a user registration module which is used for obtaining registration information of a user and financial card information added by the user, and sending the information to a system platform for user registration and financial card addition; a location service module which is used for obtaining location information of a client terminal; the system platform comprises a user information storage module which is used for storing personal information and the financial card information of the user; a financial card using location obtaining module; a safety judgment module which is used for judging whether the transaction is safe based on that whether the using location of the financial card corresponding to the user is in accordance with the location of the client terminal at the same moment. The method and the system for achieving transaction safety protection of financial card based on location binding employing such a structure implement the safety judgment based on the location identification via binding the location of the financial card with the location of the client terminal, thus the transaction of the financial card is more safe and reliable; the method and system have a wider application range.

The invention provides a security method of personal data in cloud storage. The security method includes, in the process of uploading of local data, encrypting the data by means of hardware encryption and then uploading the same to a cloud storage system so as to keep the data stored in the cloud storage system encrypted; in the process of downloading the data to a local device from the cloud storage system, decrypting the data by means of hardware decryption and then storing the same to the local device. According to the technical scheme, encryption and decryption of client files in cloud disks are independent of network and cloud computing systems, all the operations of encryption and decryption are completed on the client side, technical bottleneck and complicated application environment to implementation of data security measures on the cloud side are avoided, and the security method has the advantages of high safety, reliability and usability and the like.

A system and method for assigning security credentials to particular components within a mobile device, and for ensuring that only configuration messages having sufficient access privilege to those components are allowed access, based on the security credentials. The security credentials or “roles” describe which settings a particular configuration message has authority to modify or query. Access is disallowed to settings for which a message does not have adequate security credentials.

The invention relates to the field of network monitoring and discloses a network monitoring system and method. The network monitoring system comprises a switch and a monitoring server, wherein the switch is used for collecting media access control (MAC) address information of a server connected with the switch and transmitting the MAC address information to the monitoring server. The monitoring server performs matching comparison on the MAC address information and the pre-registrated and stored legal MAC address information and gives out warning information to prompt technical staff of illegally-invaded computers when the MAC address information does not accord with the legal MAC address information. In the process, people only need to set a specific server to serve as the monitoring server without additionally configuring a network management system, so that manpower, material resources and network monitoring cost are reduced.

The invention relates to the technical field of power systems and relates to an electrical equipment operating environment data acquisition and telecontrol comprehensive linkage device and a use method. The electrical equipment operating environment data acquisition and telecontrol comprehensive linkage device comprises a main control unit, a transmission unit, a data acquisition unit, a telecontrol equipment control unit and a client control module; the main control unit is in double-way communication connection with the transmission unit; the transmission unit is in double-way communication connection with the client control module; the data acquisition unit is in communication connection with the transmission unit; and the transmission unit is in communication connection with the telecontrol equipment control unit. The electrical equipment operating environment data acquisition and telecontrol comprehensive linkage device is reasonable and compact in structure and convenient to use, realizes comprehensive linkage between the data acquisition unit and each module in the telecontrol equipment control unit, realizes real-time monitoring of the working state of transformer substation equipment, the environmental condition of the transformer substation and the on-site maintenance condition, realizes centralized management of the transformer substation, reduces the production management cost, the human error of the connecting link and the operating risk of the transformer substation and improves the transformer substation monitoring efficiency and the line maintenance efficiency.

The invention discloses a charged body distance measurement and alarm device based on combination of electric field and radar. A detection part comprises an electric field intensity measuring module, a radar ranging module, a signal conditioning circuit, a first single-chip microcomputer, and a wireless data sending module. An alarm part comprises a wireless data receiving module, a second single-chip microcomputer, and a sound-light alarm module. The device measures the electric field intensity at the location thereof and the distance between the device and a surrounding object in real time, compares the electric field intensity and the distance with corresponding thresholds respectively, judges whether there is a need for alarm and the alarm level, and gives a sound-light alarm to remind the staff to pay attention. The device is simple in installation, makes judgment quickly and accurately, and can effectively protect the safety of operation vehicles and personnel.

The invention relates to an air compressor full-automatic control system and a control method thereof. The air compressor full-automatic control system comprises an engine, a relay, an air pump, an air storing tank, an unloading valve, a pressure adjusting valve, a pressure adjusting motor, sensors and a controller; one end of the engine is connected with a power source through the relay, the other end of the engine is connected with the air pump, the air pump is connected into the air inlet end of the air storing tank, the unloading valve is arranged on a connecting pipe of the air pump and the air inlet end of the air storing tank, the air outlet end of the air storing tank is externally connected with the pressure adjusting valve, the pressure adjusting valve is externally connected with the pressure adjusting motor, air outlets of the air storing tank and the pressure adjusting motor are connected with the sensor a and the sensor b through pipes, and the relay, the unloading valve,the pressure adjusting motor, the sensor a and the sensor b are electrically connected with the controller or are in signal connection with the controller. By means of the control system, engine opening and closing can be achieved, full-automatic adjustment of the air pressure of the air storing tank and pressure adjusting of the pressure adjusting valve can be achieved, the adjusting intelligentdegree is high, the automatic operation provides extra protection measures, and the problems about too high air pressure, engine starting difficulties and the like are solved.

The invention discloses a multifunctional cable tunnel inspection well. An intelligent sewage discharge control box is installed on one side of a house wall on the upper portion of the inspection well. A switch door is arranged on the road facing face of the portion, located on the upper portion of the inspection well, of a house. A solar cell panel is installed at the top of the portion, located on the upper portion of the inspection well, of the house. An accumulator is installed on the portion, located on the upper portion of the inspection well, in the house and connected with the solar cell panel. A lamp is installed at the top of the portion, located on the upper portion of the inspection well, of the house. Rainproof shutters are installed on three faces of the portions, located on the upper portion of the inspection well, of the house and protective nets are installed on the shutters. A galvanized safety cover board is installed on the upper portion of a water collection pit. A crawling ladder is located on the lower portion of the inspection well. A cable support is located in a cable trench and extends to the lower portion of the inspection well. The water collection pit is located on the lower portion of the inspection well. A liquid level meter is located in the water collection pit. A submersible sewage pump is located in the water collection pit. A flexible waterproof casing pipe is located on a wall penetrating portion of a water drainage pipe. The water drainage pipe is connected with the submersible sewage pump and connected to an external water drainage inspection well. The multifunctional cable tunnel inspection well is easy to install, convenient to maintain, attractive in appearance, capable of saving energy and environmentally friendly.

The invention relates to an online retrieval and intelligent analysis method of product information and a software system implementation method. The existing application example is an intelligent information network system for searching and analyzing the internet product information. Based on the information system implemented by the invention, a meta-search technology is utilized for internet retrieval, the product information is analyzed by utilizing semantic reasoning, and the product information services relevant to market competition and business operation are provided for enterprises and government departments by utilizing accurate and visual product information report forms.

The invention discloses a material clamping device of a track trolley. The material clamping device of the track trolley comprises a shell, a first sensor, a second sensor, a third sensor, a fourth sensor, a cylinder, a top plate, a first blocking sheet, a left clamping plate, a right clamping plate, a second blocking sheet, a travel switch and a cone. According to the material clamping device ofthe track trolley, effective safety protection measures are provided, and the movement of the FOUP can be limited from all directions after clamping; The mode that the left clamping plate and the right clamping plate move in the opposite directions is adopted, the top plate is located below the mushroom head and above the mushroom head; and moreover, the top plate makes close contact with the mushroom head all the time under the action of spring force, so that the problem of not tight clamping is solved; and the spring force is accurately calculated and tested, so that the FOUP cannot be damaged while it is guaranteed that the FOUP is reliably clamped. Therefore, the problem of over-tight clamping is avoided. The problems that clamping is too tight, clamping deviation is likely to happen,falling is likely to happen, and the position is wrong and cannot be recognized in the FOUP clamping and transferring process of an FOUP clamping device in the prior art are solved.

The invention provides a power distribution Internet of Things edge Internet of Things proxy network security protection method and system. The method comprises the steps of performing credible authentication on an Internet of Things terminal and an Internet of Things management platform based on an edge Internet of Things proxy; after the credible authentication is passed, encrypting operation state data of the power distribution Internet of Things collected by the Internet of Things terminal and uploading the operation state data to the edge Internet of Things agent; or after data in the edge Internet of Things agent is encrypted, transmitting the encrypted data to the Internet of Things management platform in a ciphertext transmission mode, decrypting the encrypted data, and uploading the decrypted data to the application layer of the power distribution Internet of Things; according to the invention, the security and privacy of the power grid data in the edge internet-of-things agent are improved.

The invention discloses a network type intelligent device safety gate access control system, comprising a management center and a self-service terminal. The management center comprises the following modules: an information processing module for generating a key and an effective time, sending authentication information and issuing TF cards; a data transmission module for sending the key and the effective time to a communication network; and a data storage module for storing the key, the effective time and the operation records. The self-service terminal comprises a terminal host for realizing access control, an access control system for receving the key and the effective time information, and an electric control lock for opening or closing a case according to the TF cards. The network type intelligent device safety gate access control system, which is provided by the invention, is convenient to manage and can improve work efficiency.

The invention discloses a sign language recognition and translation system based on a single chip microcomputer. The sign language recognition and translation system comprises a glove (1), and is characterized by further comprising a main control module (2) arranged in the glove (1), an angle sensor (3), a bending degree sensor (4), a blood oxygen sensor (5), a display module (6) and a wireless communication module (7) which are connected with the main control module (2), a data processing module (8) connected with the wireless communication module (7), and a WiFi module (9), a cloud server (10), a voice module (11), and a power supply module (12) which are connected with the data processing module (8). The sign language recognition and translation system mainly realizes barrier-free communication between deaf-mutes and ordinary people, translates sign language by means of the sensors, displays a translation result on a display screen carried in the system, and broadcasts the translation result by using mandarin; in addition, the sign language recognition and translation system can transmit physical condition information (heart rate, pulse, body temperature and the like) of a patient to a mobile phone or computer and the like of a doctor in real time by means of the cloud server, so that the doctor can monitor the physical conditions of the patient in real time.

The invention relates to the field of electrowelding or automation and provides an automatic welding system for a framework of an automobile dash board. The automatic welding system comprises a welding robot and clamp work stations. The welding robot comprises a welding gun head, a connecting arm and a base. The welding head is arranged on the base by the connecting arm. Each clamp work station comprises a clamp end, a clamp frame and a clamp base. The clamp ends are arranged on the clamp bases by the clamp frames. The welding robot and the clamp work stations are arranged correspondingly andmatched with an externally connected welding power source for welding operation. The automatic welding system is provided with the welding robot and the clamp work stations and is operated by the cooperation of both, such that the problems of low efficiency, high rejection rate and incomplete welding in manual welding are solved.

The invention relates to a building talk-back device based on a network. The building talk-back device comprises an indoor machine and an outdoor machine connected with the indoor machine through the wireless network, wherein the indoor machine comprises a controller, a wireless image transmitting module, a displayer and an image storing module, and the wireless image transmitting module, the displayer and the image storing module are connected with the controller; the outdoor machine comprises a control module and a camera module connected with the control module. The building talk-back device based on the network comprises the indoor machine and the outdoor machine connected with the indoor machine through the wireless network, wherein the indoor machine comprises the controller, the wireless image transmitting module, the displayer and the image storing module, and the wireless image transmitting module, the displayer and the image storing module are connected with the controller; the outdoor machine comprises the control module and the camera module connected with the control module. In this way, image data of outdoor people are obtained through shooting and transmitted to a user mobile phone, a user identifies whether to open a door or not, and therefore safety precautions are enhanced.

The invention discloses a safety protection device and belongs to the technical field of safety devices. The safety protection device comprises an automatic warning device, an object identification device, a microcontroller, a video camera, a recording device, a video analysis module and a power supply, wherein the output end of the power supply is electrically connected with the input end of the microcontroller; the microcontroller is electrically connected with the object identification device; the output end of the microcontroller is electrically connected with the input end of the automatic warning device; the output end of the video analysis module is electrically connected with the microcontroller; and the automatic warning device is internally provided with an automatic dialing module. The safety protection device provided by the invention has the beneficial effects that persons carrying with dangerous goods can be identified and the automatic warning function can be provided, thus strengthening the safety precautions in business places, ensuring the life and property safety of the staff; and the safety protection device provided by the invention is also simple in installation, low in cost, and applicable to round-the-clock convenience stores.

The invention relates to a nuclear grade cooling tower, comprising a tower body. The tower body comprises at least one air outlet and at least one air inlet, and the inner of the tower body is provided with a fan, a water collector, a water distributor and fillers from top to bottom. The fan is used to generate the circulating air which can exchange heat with water in the water collector, in the water distributor and in the fillers to decrease the temperature in the tower. The tower is characterized in that a baffle of the air outlet is arranged in the tower body between the fan and the air outlet, and the baffle is used to avoid the influence on normal operation of the fan by the objects or strong airflow passing the air outlet. Due to the baffle of the air outlet arranged in the tower body between the fan and the air outlet, the nuclear grade cooling tower has high safety precautions, thereby ensuring the normal operation under the conditions of falling objects and strong airflow impact caused by explosion, and the severe natural conditions such as the tornado and the like.

The invention relates to a grass cutter which comprises a shell, a safety guard, wheels and a cutting device provided with blades, wherein the safety guard is arranged outside the shell; the wheels are used for supporting the shell; the cutting device is arranged under the shell, and the rotating blades perform cutting operation, and the cutting device performs eccentric cutting operation; the safety guard comprises an inner layer and an outer layer, and a height difference is formed between the inner layer and the outer layer. When the grass cutter touches an obstacle or works on a boundary line, as the cutting device can perform the eccentric cutting operation, a gap between the cutting device and the safety guard can be smaller, so that more grass or vegetations can be cut. By utilization of the safety guard with a double-layer structure, particularly, when the grass cutter is carried, the safety standards can be met, and good safety protection measures can be achieved.

The invention discloses an escape device which at least comprises a safety waist and trouser belt, a prompt drop escape main rope, a prompt drop escape auxiliary rope, a connector, a Kevlar fiber connecting rope, a single speed-limiting box and a damper regulator, wherein the single speed-limiting box is connected onto the prompt drop escape main rope and used for dropping at a constant speed relative to the prompt drop escape main rope, the damper regulator is connected onto the prompt drop escape auxiliary rope and used for controlling the drop speed, one end of the connector is connected onto the safety waist and trouser belt, the other end of the connector is connected onto the prompt drop escape main rope through the single speed-limiting box, one end of the Kevlar fiber connecting rope is connected onto the safety waist and trouser belt, and the other end of the Kevlar fiber connecting rope is connected onto the prompt drop escape auxiliary rope through the damper regulator. Based on improvement of safety protection measures, the drop speed can be automatically regulated according to the weight of an escaper, the ropes are high in strength, fine in abrasion resistance, light in weight and beneficial to carrying and transfer, and the escape device is reasonable in structural design and simple, convenient and rapid to use.

The invention discloses a pipeline gas safety control valve. A gas inlet and a gas outlet are formed in a gas pipeline. A ball valve is arranged on the gas outlet. The safety control valve comprises a valve body, a support, a gas plug, a linking rod and a tension spring. The support is hollow and fixed into the valve body. The valve body is fixed to the portion between the gas inlet and the gas outlet in the gas pipeline. The linking rod is installed in a circular hole in the center of the support. One end of the linking rod is sleeved with the tension spring and the tension spring jacks the radial wall of the support. The gas plug is fixedly arranged at the other end of the linking rod. According to the pipeline gas safety control valve, safety protection measures are taken for utilization of pipeline gas, gas output is cut off in time when the gas leaks, accidents such as gas poisoning and a fire disaster caused by gas leakage are effectively prevented, and the device is simple in structure, low in production cost, safe, convenient to use, practical, safe, reliable and easy to obtain and popularize.

The invention provides a microlock of a miniature circuit breaker detecting platform. The microlock of the miniature circuit breaker detecting platform comprises a contact, a spring electrical sheet, an electrical sheet, a micro actuator, a power line, a door frame, a door and a door lock. The micro actuator and the power line are directly connected together. The spring electrical sheet and the electrical sheet are in a gap state and are placed in the micro actuator. Due to the fact that the microlock of the miniature circuit breaker detecting platform is adopted, the safety of the miniature circuit breaker detecting platform is greatly improved, and the safety protection measures to detecting personnel are enhanced. After the door of the miniature circuit breaker detecting platform is opened, a power source of detecting equipment can also be automatically disconnected, and the phenomenon that detecting personnel can possibly violate standard operation behaviors when the miniature circuit breaker detecting platform operates can also be prevented. Due to the fact that machines are controlled through a system in the detecting platform, a miniature circuit breaker can be orderly and precisely detected in the detecting process, and accordingly it is guaranteed that the detecting process of the miniature circuit breaker is more orderly conducted.