48results about How to "Improve the protection mechanism" patented technology

The invention discloses a wireless cloud intelligence lock and a working method thereof. One end of a processor of a circuit part is connected with a wireless transceiver module; the other end of the processor is connected with a state acquisition module and a driving control module; the processor is also connected with external wireless control equipment via a gateway or a router; the bolt of a lockset part and a motor are connected; the motor is connected with the driving control module; and an electronic lock is electrically connected with the state acquisition module via a circuit. The working method of the intelligence lock comprises a short-range unlocking mode and a remote unlocking mode. According to the wireless cloud intelligence lock and the working method thereof, the safety is improved, and the problems in the prior art that the intelligence lock is difficult to unlock and is not provided with functions of tracing to the source and checking are solved.

The embodiment of the invention discloses a method for protecting a packet transport network (PTN). The method constructs a protection path for service data stream carried on a shared protection ring, wherein, the protection path includes a wrapping protection path and a steering protection path. The method comprises the following steps: a first service data stream sends data through the wrapping protection path; a service data stream node stops sending a second service data stream subsequent to the first service data stream to the wrapping protection path and caches the second service data stream; and the first service data stream completely passes through the service data stream node again to switch the cached second service data stream from the wrapping protection path to the steering protection path. The embodiment of the invention further provides corresponding equipment and a corresponding system. The invention can solve the out-of-sequence problem in the PTN in the case of adopting a wrapping / steering combined protection scheme.

The invention discloses an air conditioner control system for an electric coach. The air conditioner control system comprises a temperature collection module, a master control module, a control input module, a compressor variable-frequency drive module, a fan variable-frequency drive module, a communication module, a master power supply module, a drive power supply module and a data storage module. The air conditioner control system disclosed by the invention has the beneficial effects of realizing function control of the air conditioner control system for the electric coach and function protections of various devices, improving the energy efficiency ratio of the air conditioner system to a great extent, reducing the power consumption of the air conditioner system, achieving the performance requirement of the electric coach on energy conservation of the air conditioner system, and simultaneously perfecting the protection mechanism and ensuring the operation reliability and security of the air conditioner system.

The invention relates to a non-pressed pipeline reinforcing structure for a road surface and a construction method for the non-pressed pipeline reinforcing structure. The non-pressed pipeline reinforcing structure comprises a road surface embedded groove, wherein a base layer is arranged in the road surface embedded groove. The non-pressed pipeline reinforcing structure is characterized in that symmetrically-distributed blocking assemblies are arranged on the two sides of the base layer and the top ends of the blocking assemblies are connected with a cover board; meanwhile, a separation assembly is arranged on the cover board, and a sealed protective space is formed among the blocking assemblies and the cover board and filled with a filling layer; a pipeline reinforcing assembly is arranged on the base layer; each blocking assembly comprises a bottom base material layer provided with a lateral reinforcing wall; and guide slopes are distributed at the two ends of the upper portion of the base layer and the pipeline reinforcing assembly is located at the joint of the guide slopes. Therefore, water can be prevented from flowing in transversely, external transverse force can be effectively borne, and an inner pipeline is protected against impact; the pipeline can be better prevented from being corroded by seeping underground water; and more importantly, the deformation characteristic is better while firmness is good, and the structure cannot crack easily.

The invention relates to a pre-buried pipeline suitable for pavement shallow layers. The pre-buried pipeline comprises a pavement pre-buried groove, wherein a foundation layer is arranged in the pavement pre-buried groove. The pre-buried pipeline is characterized in that a pipeline strengthening assembly is arranged on the foundation layer; supporting channels are distributed in the pipeline strengthening assembly; auxiliary supporting rods are arranged in each of the supporting channels; besides, partition assemblies are distributed at the periphery of each of the supporting channels; a filling layer is arranged between the partition assemblies and the periphery of each of the supporting channels; a back-filling layer is distributed in the pavement pre-buried groove, and a blocking layer is distributed on the back-filling layer. Therefore, the laying requirement of multiple pipelines is met, and besides, the pre-buried pipeline can effectively bear external stress, so that an internal pipeline can be protected from being stricken, and underground water can be prevented from permeating into the pipeline and eroding the pipeline; in addition, the pipeline can bear downward longitudinal stress from the ground, so that the longitudinal extrusion for a subsequent pipeline is avoided.

The invention relates to a wireless infrared electronic fence that is good in safety and capable of realizing remote and wireless real-time monitoring and automatically realizing history recording, and a working method of the wireless infrared electronic fence. The wireless infrared electronic fence comprises an infrared emitter and an infrared receiver which are arranged oppositely. An infrared signal input end and a code signal input end of a logic gate unit in the infrared emitter are connected with corresponding ports of an emitter controller module. An output end of the logic gate unit is connected with a circuit of an infrared emitting unit, and a power supply of the emitter supplies power to connection of the parts. An infrared receiving unit and a Zigbee / Bluetooth module in the infrared receiver are both connected with a control module circuit of a receiver, and the power supply of the receiver supplies power for connection of the parts.

The present invention relates to a method and a system for protecting a software authorization. The method for protecting a software authorization comprises a software including a plurality of functions. When the software is installed in a hardware device, he method includes setting an authorized time, an accumulated authorization time, an accumulated running time and a last recorded time when the software is initially installed in the hardware device, operating a time-out check for determining whether the software authorization is expired or not according to the system time, the authorized time, the accumulated authorization time, the accumulated running time and the last recorded time generated by the hardware device when the software is initiated or the plurality of functions are initiated or terminated, and stopping the software from running in the hardware device when the software authorization is expired.

The present invention discloses a high-voltage inverter power unit control panel automatic test system and a test method thereof. The system comprises: a test tool; a sampling conditioning circuit board electrically connected with the test tool; a test excitation source connected with the test tool; a control switch connected with the test excitation source; an industrial control computer integrated or connected with an analog input capture card and a digital quantity output capture card, wherein the analog input capture card is connected with the sampling conditioning circuit board through an analog quantity terminal board, and the digital quantity output capture card is connected with the control switch through the analog quantity output terminal board; and an upper computer connected with the industrial control computer. The high-voltage inverter power unit control panel automatic test system and the test method thereof can automatically complete the test of the power unit control board and has the advantages of high test result accuracy, high test efficiency and low test difficulty.

The present invention relates to a real-time biosignal measurement apparatus for cardiac ischemia and reperfusion. The apparatus includes: a peristaltic pump which pumps perfusate from a tank storing the perfusate; a pressure trap which offsets the pulsation of both sides between a solution chamber temporarily storing the pumped perfusate and the perfusate tank; a heat exchanger to which the temporarily stored perfusate is applied and which transfers the heat of the perfusate; a bubble trap to which the heat transferred perfusate is applied on one side and which filters the heat transferred perfusate to transduce the perfusate to an isolated heart connected to the other side; a sensor unit which detects the gas concentration value in the myocardium of the isolated heart in real time during the cardiac ischemia reperfusion; and a control unit which is supplied with the gas concentration value in the myocardium of the isolated heart in order to analyze its correlation with the degree of a myocardial injury of the isolated heart.

The embodiment of the invention discloses two methods for protecting PMIP signaling. In one method, a centralized control point or a mobile IP agent generates SPI of a unique identification sharing cipher key; while in the other method, a mobile IP agent triggers a home agent HA to generate SPI of a unique identification sharing cipher key. The embodiment of the invention also discloses three systems for protecting PMIP signaling, the three systems realize the method of generating SPI of a unique identification sharing cipher key respectively by the centralized control point, the mobile IP agent and the HA. The embodiment of the invention further discloses a centralized control point, a mobile IP agent and a HA, which can generate SPI of a unique identification sharing cipher key. The embodiment of the invention further discloses another mobile IP agent, for triggering HA to generate SPI of a unique identification sharing cipher key. The method, system and device disclosed by the embodiment of the invention can perfect PMIP signalling protection mechanism.

The invention provides a punching system that has a relatively simple structure to provide an apparatus reduced in overall size and having a low profile, and can produce a high-quality punched hole while conveying a sheet. The punching system includes a punching device that has a punching member moving back and forth perpendicularly to the sheet being conveyed, a frame, and a sheet conveyance mechanism. The punching device is attached to the frame by an attachment unit in such a manner that it is movable in the sheet conveyance direction. The sheet conveyance mechanism includes carry-out rollers that sandwich the downstream end of the sheet at the start of sheet punching motion of the punching member and that are installed at positions downstream from and transversely corresponding to the punching position.

The present invention provides a boot video playing method and system, an intelligent terminal, and a storage medium. The method includes: after the intelligent terminal is normally booted, obtaining,by the intelligent terminal, a boot video delivered by a cloud server; when the intelligent terminal does not support playing the boot video, sending, by the intelligent terminal, identification information to the cloud server; receiving and playing, by the intelligent terminal, a boot video generated by the cloud server through transcoding of the identification information; if the play is abnormal, stopping playing the boot video, and obtaining a preset boot animation for playing. In the present invention, a boot video that does not support playback is transcoded to a format that supports playback by using a cloud server, so that compatibility of the intelligent terminal with a boot video format is improved, and the boot video can be normally played on the intelligent terminal. For all types of exceptions that may occur during playback of the boot video, a boot video protection mechanism is added to control the played boot video, so that it is ensured that the intelligent terminal can be normally booted.

The invention provides a path switching method, device and equipment and a readable storage medium. The method comprises the following steps: when a transmission path between two nodes has a fault, determining a maximum transmission rate supported by the two nodes, and determining a target transmission path group of which the transmission rate is the maximum transmission rate; if the available transmission paths exist in the target transmission path group, determining an optimal transmission path in the available transmission paths for the two nodes to perform path switching; and if the available transmission path does not exist, determining the next-level transmission rate supported by the two nodes, and executing the step of determining the target transmission path group of which the transmission rate is the maximum transmission rate by taking the next-level transmission rate as the maximum transmission rate. According to the method and the device, available resources on the networkcan be used more effectively and flexibly in a speed reduction path searching mode, and normal operation of high-speed service is guaranteed to the maximum extent.

The invention discloses a gateway and a network element switching method, and relates to the communication field in order to solve the problems, such as, after the interruption between a network management and a non-gateway network element, the switching in the network management is relatively frequent, and a man-machine interface can not be used for controlling a gateway which the non-gateway network element passes, which causes the data jam and the failure of reporting the alarm. If the network management and the non-gateway network element successfully construct a link and no abnormal interruption appears in the process, and a handshake bag of the non-gateway network element is received within N cycles which are set time intervals, then the gateway network element which the non-gateway network element passes is switched to another gateway network element; if the construction of the link is constantly unsuccessful, then interfaces are regularly distributed to be connected with the non-gateway network element, wherein, N is a natural number. The method of the invention adds a protection mechanism against the abnormal problems of the gateways, and avoids the frequent switching and the phenomenon of data jam.

The invention discloses a vehicle-mounted direct current motor driving chip overcurrent protection system. A motor driving chip and a microcontroller are powered by a power supply; the microcontroller outputs a control signal to the motor driving chip to control the operation of the motor; an operation loop of the motor is connected with a sampling resistor in series; the sampling resistor converts a current signal in the loop into a voltage signal; the current signal is amplified through an amplifier and then the amplified current signal is output to an overcurrent response circuit; and the overcurrent response circuit controls the on-off of the signal transmitted to the motor driving chip from the microcontroller. The vehicle-mounted direct current motor driving chip overcurrent protection system has the advantage of quite high instantaneity; the response time of the whole system is within 10uS from the moment that the sampling resistor samples the overcurrent signal to the moment that the overcurrent response circuit stably outputs; and therefore, the protection mechanism of the motor driving chip is perfected to a large extent, and the reliability of the motor driving chip in use is improved.

A CAN (control area network) bus isolated communication protective circuit comprises a CAN bus input circuit, isolated output and protective circuits and a filter circuit. Bus signals of the CAN bus input circuit are connected to a signal input end of the isolated output circuit, a signal output end of the isolated output circuit is connected to an input end of the protective circuit, an output end of the protective circuit is connected to a CAN signal output end, and the CAN bus input circuit, the isolated output and protective circuits are all connected with the filter circuit. The CAN bus isolated communication protective circuit has the advantages of simple structure, effective and reliable isolation and perfect protection and can be popularized in batch.

The invention provides a chip programming test device, which comprises a CPU module, an SPI module, a power supply conversion protection module, a function switching module, an LED indication module,a USB transmission module and a keyboard control module, and also comprises two or more than two SPI interfaces to realize batch programming of a plurality of chips. According to the programmable chipprogramming test device provided by the invention, the chip does not need to be plugged and unplugged repeatedly; manual operation steps are simplified, computer does not need to be used, the original programmer is completely replaced; programming and testing programs can be automatically carried out by connecting a power supply; a serial port or a parallel port is not needed to simulate SPI communication, the SPI interface is directly used for programming the chip, the highest speed can reach 20 Mbps, meanwhile, 17 chips can be supported to perform programming tests at the same time, the programming efficiency is greatly improved, and the device is suitable for batch production tests.

The embodiment of the invention discloses a method for protecting a packet transport network (PTN). The method constructs a protection path for service data stream carried on a shared protection ring, wherein, the protection path includes a wrapping protection path and a steering protection path. The method comprises the following steps: a first service data stream sends data through the wrappingprotection path; a service data stream node stops sending a second service data stream subsequent to the first service data stream to the wrapping protection path and caches the second service data stream; and the first service data stream completely passes through the service data stream node again to switch the cached second service data stream from the wrapping protection path to the steering protection path. The embodiment of the invention further provides corresponding equipment and a corresponding system. The invention can solve the out-of-sequence problem in the PTN in the case of adopting a wrapping / steering combined protection scheme.

The invention provides a cervical vertebra massager capable of performing uniform massaging. The cervical vertebra massager comprises a massager body, wherein a massage cavity penetrating forwards andbackwards is arranged in the massager body; a reciprocating mechanism is arranged in the massage cavity; and the reciprocating mechanism comprises a sliding base which is arranged in the massage cavity and slides up and down. The cervical vertebra massager is applied to massaging of cervical vertebra on a human body in daily life, ensures uniform massaging of the cervical vertebra through the reciprocating mechanism in the massage process to ensure that each part of the cervical vertebra is fully massaged through up and down movement of the sliding base, and can avoid damage of a hot compressfunction to human skin due to long-term contact with the skin through a protection mechanism to ensure the massage comfort to a greater extent; and meanwhile, a telescopic main body and a telescopicframe can automatically move backwards when soft tissue is encountered, the damage to neck soft tissue is avoided, so that a protective mechanism of the human body is added while comfortable massage is implemented.

The invention belongs to the technical field of safety locks, and particularly relates to an intelligent electronic lock. The intelligent electronic lock comprises a lock head, a positioning block andan intelligent regulator, the lock head is of a rectangular structure, the lock head is fixedly connected to one side, close to a pull rod, of a luggage case top, wherein the luggage case is a commonbox-shaped structure body which is folded through a zipper, the intelligent regulator is mounted on one side of the lock head, a fingerprint identifier is fixedly connected to the surface of one side, far away from the luggage case, of the lock head, the fingerprint identifier is used for identifying fingerprints and is electrically connected with the intelligent regulator, the positioning blockis embedded into one side, far away from the pull rod, of the luggage case folding part, the positioning blocks are uniformly distributed along the direction of the luggage case zipper, and symmetrically-designed first grooves are formed in the surface of the positioning block. Through the arrangement of the fingerprint recognizer and the intelligent regulator, the output of the unlocking instruction is completed through the input of the fingerprint of a user, so that the recognition mechanism of the intelligent electronic lock is more rigorous, and the unlocking mechanism of the luggage caseis more perfect.

The invention provides a flexible Ethernet looped network protection method. The first direction of each node in a flexible Ethernet looped network corresponds to the second direction of the adjacent node on the corresponding side, and each node is provided with four time slot channels with the same number of time slots; the four time slot channels comprise a working time slot channel and a protection time slot channel which are located in a first direction and belong to the same flexible Ethernet ring network group, and a working time slot channel and a protection time slot channel which are located in a second direction and belong to the same flexible Ethernet ring network group; and the working time slot channel and the protection time slot channel can respectively bear a first service flow and a second service flow which are opposite in service flow direction. The method comprises the following steps: if detecting that a link fault occurs between a current node and an adjacent node in a first direction, converting a normal state into a ring bridge switching state in the first direction, so that a first service flow and a second service flow copy one copy and are switched from a working time slot channel to a protection time slot channel.

The invention relates to a channel gate system and belongs to the technical field of channel gates. Intelligent opening and closing of gates can be realized. The system comprises a transverse gatewayand a gate; a first infrared emitter and a first infrared receiver are respectively symmetrically arranged on the two inner side walls of the transverse gateway along the length direction level of thetransverse gateway. The gate opening and closing method comprises the following steps: S1: judging a moving path of a person; S2: according to the moving path, judging whether the person moves to theother end of the gate from one end of the gate or not within a first time period timing from initial entering of the transverse gateway; and S3: when the spaced first infrared receivers do not receive a first infrared signal and the first infrared receiver between the spaced first infrared receivers receives the first infrared signal, judging two persons exist and according to the moving paths ofthe two persons, judging whether the two persons move to the other end of the gate from one end of the gate or not within the first time period timing from initial entering of the transverse gateway.

The invention discloses a head node protection method of a point-to-multipoint label switching path, a device and equipment thereof, which are used for protecting a head node. The method comprises the steps that: a BHN establishes a backup LSP of the BHN and all MP; the backup LSP does not comprise an MHN; the method also comprises the steps that: the MHN transmits data along the LSP established between the MHN and the MP; when a head node switching condition is met, the BHN is switched into a main head node and transmits the data along the backup LSP established between the BHN and the MP. By applying the proposal for protecting the head node provided by the invention, the protection of the head node is realized very well and a protection system of the LSP of a P2MP is greatly improved, thus being capable of improving the scale deployment of the P2MP.

The invention discloses a digital microcomputer protection measurement and control device. The device comprises a display screen, an operation panel, an indicating lamp, a controller, a relay output circuit, a communication interface, an input quantity input circuit, a voltage loop, a current loop, a grounding device and a power supply. An operation control loop is arranged in the controller and comprises a control power supply positive electrode, a tripping input, a tripping outlet, a closing input, a closing outlet and a control power supply negative electrode. According to the measurement and control device, the keys are used for task selection, six functions of sampling, parameters, value setting, events, clocks and outputting are achieved; whole-process digital control is achieved; the protection mechanism is comprehensive and accurate; corresponding protection can be conducted according to various different circuit conditions; and circuit safety is guaranteed; the device is high in operation processing capability and high in sampling frequency; and the working stability is greatly improved.

The invention provides an automobile antitheft monitoring system. The antitheft monitoring system comprises a monitoring center, a wired terminal and at least one wireless terminal; the wired terminalis connected with each wireless terminal; and the wired terminal and the wireless terminals are connected with the monitoring center. The wired terminal and the multiple wireless terminals are adopted, an RF433 Mhz short-distance communication mechanism is adopted for mutual monitoring, a one-to-multiple monitoring mode is adopted, no matter the wired terminal or the corresponding wireless terminal is detached, the remaining terminal can find the theft and activate a detaching alarm, a protection mechanism is effectively reinforced, an automobile of a user does not suffer from losses, compared with a pure wireless terminal alarm mode, the wired terminal frequently reports for a position track, the user can conveniently monitor the position moving condition of the automobile, and the system is particularly suitable for a monitoring scene of large vehicles or movable properties.

The invention relates to the technical field of industrial environments, and discloses an authorization method suitable for an industrial environment, a scanning device for confirming an industrial environment authorization method different from a manufacturer, information of a to-be-authorized scanning device is obtained, an asymmetric algorithm is utilized, an authorized device can confirm the identity of an authorization device and obtain an authorization file, the number of authorizable times of a fuse bit on authorization scanning equipment is set, equipment information is encrypted through an encryption algorithm agreed with the authorization equipment on the basis of a pre-acquired first key to obtain an equipment information ciphertext, and the first key and the equipment information ciphertext are sent to the authorization device so as to enable the authorization device to be based on the first key. The authorization method suitable for the industrial environment has the advantages that a user authorizes each system and equipment, is responsible for operation, avoids vulnerabilities, can set the number of burnt authorization files, and limits authorization management of the equipment, further a protection mechanism is improved, and potential safety hazards and the like are avoided.

The invention discloses a reinforced transitional grounding device, which comprises an insulating jacket arranged on a three-phase busbar, an installation gap is arranged on the insulating jacket, and part of the busbar is exposed in the installation gap; a grounding device is detachably arranged on the installation gap , the grounding device can be clamped on the installation gap, and the grounding device is provided with a clamping plate that can clamp the bus bar and has a metal contact, and the metal contact is connected to the ground wire. In the present invention, there is an installation gap specially used for cooperating with the grounding device on the busbar, which effectively protects the busbar without punching holes; Phase-to-phase accidents of equipment may be caused by wild animals; after the operation is completed, the installation gap and surroundings can be sealed by special sealing equipment to protect the safety of the bus contact points.