33results about How to "Solve technical problems with potential safety hazards" patented technology

The invention discloses an energy settlement method, device and system. The method comprises the steps that energy trading data of any energy station within a blockchain network are acquired, whereinthe blockchain network is composed of at least one energy station; the energy trading data are sent to the blockchain network for verification, and a verification result returned by the blockchain network is received; and if the verification result is successful verification, the energy trading data are recorded on the blockchain of each energy station within the blockchain network, wherein blockchain data recorded on the blockchain of each energy station are used to settle the energy trading data of any energy station within the blockchain network. According to the invention, the technical problem of trading data security risks caused by a centralized database which is easily tampered in the prior art is solved, wherein the centralized database is used to settle the energy trading data ofa number of energy stations.

The invention discloses a password storing method, device, system and equipment. The password storing method comprises the steps that a password manager obtains registration information and generatescryptograph according to the registration information; the password manager synthesizes password information based on the registration information and the cryptograph; and the password manager sends the password information to the storing equipment, wherein the storing equipment is disconnected from the password manager after receiving the password information and stores the password information offline. According to the password storing method, device, system and equipment, the technical problem that potential safety hazards exist in an existing password storage scheme adopting a password manager is solved.

The invention discloses a method and system for processing data. The method is applied to an electronic client-side, wherein the electronic client-side achieves transferring of electronic data by being matched with a system for processing the data. The method includes the steps that a first request is sent to the system for processing the data, the first request data includes account information of the electronic client-side, a standard character string generated by the data processing unit based on the first request is received, the stand character string corresponds to the first request in a unique mode, a response request returned by a second request generated by the system for processing the data based on an electronic data receiving end, and the information about whether electronic data values are transferred or not is fed back to the system for processing the data based on the response request.

The invention discloses a traffic-free security takeover method. The traffic-free security takeover method comprises the following steps: when a mobile terminal detects that a network security risk exists, sending a data access request to a proxy server through the network of a mobile telecom carrier; receiving requested data which are acquired from a resource server by the proxy server based on the data access request through the network of the mobile telecom carrier, wherein a traffic-free mark is marked for data transmission in the network access process of the mobile terminal through the proxy server, and all or part of data traffics generated in the network access process of the mobile terminal through the proxy server are included in a designated service provider by the mobile telecom carrier based on the traffic-free mark.

The invention provides a data encryption and decryption method, a data uploading end, a data receiving end and a system, the method comprises an encryption method and a decryption method, the encryption method comprises the following steps: acquiring a data plaintext and an AES key, and encrypting the data plaintext in combination with the AES key to obtain a data ciphertext; and encoding the data ciphertext to obtain a character string ciphertext, and writing the character string ciphertext into a block chain database. The decryption method comprises the following steps: acquiring a data ciphertext, a decryption password and a preset password, and authenticating the decryption password and the preset password; when the authentication is passed, outputting a data plaintext; and when the authentication is not passed, outputting the data ciphertext. According to the data encryption and decryption method, the data uploading end, the data receiving end and the system, different bloom filters can be set for verification for different groups of data through a password authentication mode without key distribution, differential verification of the data is realized, data security is ensured, and the problems are solved that in the prior art, an encryption algorithm needs to manage a key, and potential safety hazards exist in data security.

The invention provides a hand stubble-cleaning return-to-field operation machine. The operation machine comprises a power walking main machine and a stubble-cleaning assembly, wherein a transmission case in the power walking main machine is arranged on the front part of a machine frame; an engine is arranged on the rear part of the machine frame relative to the transmission case; a walking wheel axle is arranged on the lower part of the machine frame and is in transmission connection with a first output shaft of the transmission case; a ridge guide wheel and a bracket of the ridge guide wheel are arranged at the front end of the machine frame; and the stubble-cleaning assembly is arranged on an installation base, in front of the walking wheel axle, of the machine frame, and a second speed transmission output shaft of the transmission case is in reduction transmission connection with a stubble-cleaning hob shaft arranged in front of the walking wheel axle. The hand stubble-cleaning return-to-field operation machine has the technical advantages of low energy consumption, labor conservation, capability of cleaning stubbles on sloping fields and high safety.

The invention belongs to the technical field of electric vehicles, and discloses a vehicle-mounted charging system and method. The system comprises a vehicle charging interface, a vehicle-mounted charger, a power battery and a vehicle control unit, when electric energy is accessed into the vehicle charging interface, a charging signal is sent to the vehicle-mounted charger; the vehicle-mounted charger sends a charging awakening signal to the vehicle control unit according to the charging signal; the vehicle control unit detects the state of the electric driving system when receiving the charging awakening signal, and sends a charging allowing command to the vehicle-mounted charger when the state of the electric driving system is a closed state; the vehicle-mounted charger outputs electricenergy to the power battery according to the charging allowing command; and the power battery receives the electric energy and charges according to the electric energy. By means of the mode, it is ensured that a vehicle cannot enter a drivable state in the charging process or when a charging cable is connected, and damage to the vehicle-mounted charging device or electric shock danger is avoided.The technical problem that potential safety hazards exist in an existing alternating current charging device is solved.

The invention discloses a control method, device and system for an intelligent lock and a storage medium. The control method for the intelligent lock applied to a decryptor comprises the steps of: receiving unlocking information which is sent by the intelligent lock and encrypted by utilizing a first key, wherein the unlocking information at least comprises an unlocking password; carrying out decryption on the unlocking information by utilizing a second key to obtain an unlocking password, wherein the first key is paired with the second key; and displaying the unlocking password, or sending the unlocking password to manager equipment, so that the manager equipment carries out a corresponding operation on the unlocking password. The encrypted unlocking information sent by the intelligent lock is decrypted by the decryptor to obtain the unlocking password, thereby solving the technical problem of potential safety hazard caused by a case that in the prior art, unlocking of the intelligentlock or password resetting is controlled by a server, and achieving the technical effect of improving use safety of the intelligent lock.

The invention discloses a traffic-free payment or shopping method. When a user performs payment or shopping operation, a payment or shopping request for network payment or shopping is sent to a proxy server through a network of a mobile communication operator; requested payment or shopping data which is obtained by the proxy server from a payment or shopping server based on the payment or shopping request is received through the network of the mobile communication operator; and data transmission in the network payment or shopping process is marked with a traffic-free identification, and all or partial data traffic generated in the network payment or shopping process is counted in an assigned service provider by the mobile communication operator based on the traffic-free identification. Therefore, the traffic-free network payment or shopping is achieved through the network of the mobile communication operator, and the beneficial effect that the expense of data traffic consumed in the network payment or shopping process cannot be undertaken is achieved under the precondition of ensuring payment or shopping safety.

The invention discloses a cooking control method and device and a cooking utensil. The method comprises the steps of controlling the cooking utensil to heat according to first power; under the condition that a pressurizing signal is received, obtaining the first temperature of the top of the cooking utensil; comparing the first temperature with a preset boiling point, and determining second power, wherein the second power is less than or equal to the first power; and controlling the cooking utensil to heat according to the second power. The technical problems that when the cooking utensil is pressed in advance in the prior art, due to temperature detection lag, the actual pressure is too high, and potential safety hazards exist in the cooking utensil are solved.

The invention relates to a coiled textile fabric storing rack, and belongs to the field of textile machinery. The coiled textile fabric storing rack comprises two support plates which are arranged in parallel, wherein a rotating supporting arm is arranged on the outer side surface of each support plate along the length direction of the support plate; when rotating out of the corresponding support plate, one end of each supporting arm can form a V-shaped support port with the corresponding support plate, and the other end of the supporting arm is provided with a linkage bump; a spring telescoping assembly which is fixed to each support plate is arranged between every two adjacent supporting arms; when in an initial state, the supporting arm at the bottom of each support plate rotates out of the support plate by an angle, and other supporting arms do not rotate out of the support plate; each spring telescoping assembly is propped to the linkage bump of the supporting arm which is close to the lower part of the spring telescoping assembly, and each spring telescoping assembly is not propped to the supporting arm which is close to the upper part of the spring telescoping assembly; when the lower one of the adjacent supporting arms rotates out of the corresponding support plate and the V-shaped supporting port reaches the maximum size, the upper one rotates out relative to the corresponding support plate to form a pre-supporting port, and the supporting arm above the upper supporting arm does not rotate out of the corresponding support plate at the same tie. According to the coiled textile fabric storing rack with the abovementioned structure, the use safety can be improved.

The invention discloses a terminal safety management and control method for rail transit cloud. The method comprises the steps: firstly deploying a safety gateway at the rail transit cloud, enabling aterminal to send a request message to the safety gateway, and enabling the safety gateway to transmit the request message to the rail transit cloud; deploying a terminal safety management and controlservice in the rail transit cloud, and performing safety coding verification on a request message forwarded to the rail transit cloud by the safety gateway through the terminal safety management andcontrol service; the method comprises the following steps: respectively carrying out information area coding on resource objects of rail transit cloud, carrying out information area coding verification through terminal safety management and control service, and shunting data according to the information area coding; the data is forwarded to the terminal in the form of data flow through the safetygateway, and the terminal does not cache the data flow. According to the invention, the information safety of the rail transit cloud is realized, and the technical problem that potential safety hazards exist in terminal access and information transmission in the rail transit cloud environment is solved.

The invention provides a cabinet air conditioner and an air conditioner with the cabinet air conditioner, relates to the technical field of air conditioners, and is designed for solving the problem that potential safety hazards are easily caused by unreliable power failure of a motor when an air duct is disassembled. The cabinet air conditioner comprises an evaporator assembly, an air duct assembly and a connecting terminal, the air duct assembly is detachably and fixedly connected with the evaporator assembly, and the connecting terminal is configured to enable a motor of the air duct assembly to be electrically connected with a main control board of the cabinet air conditioner; the connecting terminal comprises a male end and a female end, one of the male end and the female end is installed on the evaporator assembly, and the other one is installed on the air duct assembly. When the air duct assembly and the evaporator assembly are relatively separated, the male end and the female end are disconnected; and when the air duct assembly and the evaporator assembly are mutually combined, the male end is matched with the female end. The air conditioner comprises the cabinet air conditioner. According to the cabinet air conditioner and the air conditioner provided by the invention, when the air duct is disassembled, the motor is reliably powered off.

The invention discloses a payment or shopping method, which comprises the following steps: a proxy server receives a payment or shopping request which is sent from a mobile terminal and is used for Internet payment or shopping; and the proxy server obtains corresponding requested payment or shopping data from a payment or shopping server according to the payment or shopping request from the mobile terminal and transmits the requested payment or shopping data to the mobile terminal through the network of a mobile communication operator, wherein data transmission in an Internet payment or shopping process is marked with a traffic-free identifier, all or parts of data traffic generated in the Internet payment or shopping process are numbered into an appointed service provider through the mobile communication operator on the basis of the traffic-free identifier. The payment or shopping method achieves the beneficial effects that traffic-free Internet payment or shopping is carried out through the network of the mobile communication operator so as to avoid from paying the cost of the data traffic consumed by the Internet payment or shopping on the premise that payment or shopping security is guaranteed.