66results about How to "Avoid non-functioning situations" patented technology

The invention discloses an upgrading method of an embedded system in the application, which comprises the following steps: an external nonvolatile memory is firstly configured; the external nonvolatile memory is divided, a backup partition is respectively arranged in a core partition and a document system partition so as to prevent the abnormal running situation of the device caused by the abnormality during the upgrading process. When the system runs normally in the working environment, the upgrading process is remotely controlled by an upgrade server, finally the system is restarted, and the normal running state of the system is restored. The upgrading method greatly reduces the development difficulty and the development period, is free from making a precisely-simplified core, reduces the development complexity, improves the stability and makes remarkable progress.

The invention provides a method and a device for sharing system resources among a plurality of container systems. The method comprises the following steps: when an inner core monitors an accessing request aiming at equipment from any container system, determining resource locks matched with the system resources corresponding to the equipment from the accessing request; based on the resource locks matched with the system resources, determining state information of the system resources; and locking the system resources according to the state information of the system resources and distributing the locked system resources to the container systems, so as to carry out exclusive access on the system sources by the container systems. According to the method and the device, provided by the invention, the system resources are subjected to locking treatment in the plurality of container systems according to the state information of the resource locks matched with the system resources; and the accessing request of a progress can be used for carrying out the exclusive access on the system sources, so that a condition that accessing conflicts occur when the same system resource is accessed by the plurality of progresses and further the container systems cannot be normally operated is avoided.

The invention discloses an EPG data processing method, an EPG server and an EPG data processing system and relates to the field of digital televisions. The EPG data processing method, EPG server and EPG data processing system solve the problem of the prior art that the EPG server cannot run normally due to the fact that a lot of outlet bandwidth of the EPG server is occupied when the EPG server sends EPG data to each smart television. The EPG data processing method includes that the EPG server acquires the EPG data of a local channel corresponding to a target time sign and the corresponding URL from the EPG data stored in a database of the EPG server according to the target time sign in the first user request sent by a terminal, and sends the EPG data of the local channel corresponding to the target time sign and the corresponding URL to the terminal to facilitate the terminal to send a second user request with the URL to a third server so as to indicate the third server to obtain the EPG data of a China Central Television satellite television channel corresponding to the URL according to the URL corresponding to the target time sign and send the EPG data to the terminal.

The invention provides a transformer substation alternating current power supply monitoring system and a transformer substation alternating current power supply monitoring method. The system comprises an intelligent equipment information collection terminal, a human-computer interface configuration module, an intelligent electronic device (IED) model automatic configuration module, a version automatic matching module, an adaptable communication module and a background monitoring center; and the intelligent equipment information collection terminal, the HMI configuration module, the IED model automatic configuration module, the version automatic matching module and the adaptive communication module are connected with the background monitoring center. The transformer substation direct current power supply monitoring system has the advantages that a user can arrange transformer substation configuration information according to specific needs, and quickly display a corresponding transformer substation subsystem interface; according to different configuration, an IED performance description file and a map file can be quickly generated, so that the manual workload is greatly reduced, the error probability is reduced, and the labor cost is also reduced; hardware problems can be detected in advance, and appropriate strategies can be found; and the matching states of a software version of an upper computer and software version of a lower computer can be timely grasped.

The invention relates to an electric cylinder anti-rotation mechanism which comprises a guide rod and a plurality of anti-rotation assemblies, wherein the guide rod is in screw-thread fit with a lead screw nut of an electric cylinder. Each anti-rotation assembly comprises a holder and idler wheels, wherein the holder is fixedly connected with a supporting shell of the electric cylinder, and the idler wheels are arranged on the holder in a rotating mode. Anti-rotation planes are arranged on the outer wall of the guide rod, each anti-rotation plane makes rolling contact with at least one idler wheel, and the center lines of the idler wheels are perpendicular to the center line of the guide rod. The rolling contact between the guide rod and the idler wheels is achieved by simultaneously utilizing the idler wheels and the guide rod, wherein the idler wheels and the guide rod are perpendicularly arranged. When the lead screw nut rotates along with a lead screw shaft, the requirement for the anti-rotation function of the guide rod is met through the contact between the idler wheels and the anti-rotation planes, therefore, rotation prevention of the lead screw nut is achieved, and the lead screw nut can do frontward and backward linear movement relative to the lead screw shaft. Under the linear movement, the guide rod makes rolling contact with the idler wheels, sliding friction produced when rotation prevention is achieved in the prior art is avoided, abrasion is reduced, the load rate and the temperature of a motor are lowered, the service life is prolonged, and reliability is improved in the working process.

The invention relates to the technical field of air conditioners, in particular to a control method for an air conditioner and the air conditioner, and aims to solve the problem that an existing air conditioner entering an abnormal operating mode is hard to operate normally. In order to solve the problem, the control method comprises the following steps: determining a host machine among a plurality of indoor units; setting the mode of the host machine as the highest priority level; and adjusting the operating modes of other indoor units according to the operating mode of the host machine. Theair conditioner comprises a control device for executing the control method. By setting the mode of the host machine as the highest priority level, other indoor units will be limited by the host machine when the operating modes are adjusted, and other indoor unit only can execute modes without confliction to the mode of the host machine, so that the condition that other indoor units cannot be operated normally as modes conflicted with the mode of the host machine are operated is avoided, all the indoor units can operate normally, and the probability of abnormal operation of the air conditioneris reduced.

The application relates to a dust detection device and equipment. The device comprises a light source assembly, a light intensity sensor and a circuit board, the circuit board comprises a control circuit, the light source assembly and the light intensity sensor are arranged on the circuit board and connected with the control circuit, the light source assembly and the light intensity sensor face air outlet equipment of equipment to be detected, and the circuit board is in communication connection with a main control board of the equipment to be detected. The dust detection device can detect thefluorescence light intensity generated when the dust on the air outlet equipment of the equipment to be detected is irradiated by the ultraviolet light generated by the light source assembly; the intensity of the fluorescent light can accurately indicate the quantity of dust on the air outlet equipment; the dust detection device is accurate in detection result, and the dust detection device can send the fluorescence intensity to the main control panel through the control circuit, so that the main control panel analyzes the fluorescence intensity, obtains the cleanliness degree of the air outlet equipment, timely outputs reminding information, and effectively and timely reminds a user or automatically cleans the air conditioner.

The invention discloses a computer network monitoring device. The structure of the device comprises a signal transmission antenna, a monitoring device main body, heat dissipation holes, a power supplyconnecting hole and a work indicating lamp. The network monitoring device is combined with a contact piece cleaning structure through a sealing dustproof device. When a network cable plug is connected with the network monitoring device, a local area network connector utilizes negative pressure to fix the plug, so that a network cable is prevented from touching other network cables to cause looseness and falling of a network cable interface when the network cable is mounted and dismounted, thereby improving the stability of receiving a network monitoring signal. Meanwhile, during the installation of the network cable, the contact parts of the local area network connector are cleaned, thereby avoiding the situation that signals cannot be normally transmitted after the network cables are inserted due to dust impurities, and improving the network monitoring signal transmission efficiency.

The invention relates to the technical field of vulnerability analysis, in particular to an industrial control equipment vulnerability mining method and system, equipment and a storage medium. The method comprises the steps of obtaining an application program source code and a business data set of the industrial control equipment; importing the application program source code into the code analysis model, performing static analysis and dynamic analysis, and judging whether the application program source code has vulnerabilities or not; generating a service data sequence according to the service data set, and performing fuzzy processing on the service data sequence to obtain a test data sequence; and performing communication docking on the test data sequence and the application program source code, judging that the test data sequence is normal if the reaction data not exceeding the threshold range is obtained, and judging that the test data sequence has vulnerabilities if the reaction data exceeding the threshold range is obtained or the reaction data is not obtained. According to the method, the problems of vulnerabilities of the application program and the business data of the industrial control equipment are fully considered, so that the vulnerabilities are effectively mined in a targeted manner.

The invention discloses an anti-slip driving drum for a high-cold belt conveyor. The anti-slip driving drum for the high-cold belt conveyor comprises a drum body, wherein a center shaft is arranged inthe center of the drum body, and bearing seats are mounted at two ends of the center shaft respectively; webs are fixedly mounted at the left end and the right end of the drum body, centers of the webs are fixedly mounted on the center shaft, an electric heating device is mounted in the drum body, temperature controllers are mounted on the webs, output ends of the temperature controllers are electrically connected with the electric heating device, the signal input end of each temperature controller is electrically connected with a temperature sensor which is located in the drum body; a rotorconnector is mounted at the end part close to the center shaft, an output end of the rotor connector is electrically connected with power input ends of the temperature controllers, and an input end ofthe rotor connector is electrically connected to an external power supply. The anti-slip driving drum for the high-cold belt conveyor can guarantee that the internal temperature of the drum body is higher than freezing temperature of the environment all along, so that the surface of the drum keeps unfrozen all the time, the slipping phenomenon of a conveying belt can be eliminated, and normal andstable operation of the conveying belt is guaranteed.

The invention provides a multi-split air conditioner system, and an air valve device and an outdoor unit of the multi-split air conditioner system. The air valve device comprises an air valve, an executer and a controller. The air valve can be arranged at the position of an air supply port of an outdoor draught fan of the multi-split air conditioner system and is used for adjusting the air supplyarea of the air supply port. The executer is connected with the air valve and used for controlling the air valve to be switched between the opening position and the closing position, and accordingly the air supply area of the air supply port can be adjusted. The controller is connected with the executer, is independent of a control system of the multi-split air conditioner system and is used for controlling the action of the executer. The air valve device can control the air volume of the outdoor draught fan, and the situation that under the low-temperature refrigeration work condition, due tothe too high air volume of the outdoor draught fan, the high pressure is relatively low, and consequently the system cannot normally run is avoided; and the actions of the air valve are controlled tobe conducted and not to be conducted through the executer, the actions of the executer are controlled through the controller, the controller is independent of the control system of the multi-split air conditioner system, accordingly, compatibility for existing systems is good, and system software upgrading is not needed.

The invention discloses a rubbish barrel capable of separating a rubbish bag and belongs to the technical field of rubbish barrels. The rubbish barrel comprises a barrel body, the top of the barrel body is provided with an input mouth, the rubbish barrel is characterized in that the barrel body is internally provided with a bag cutting device, the bag cutting device is located below the input mouth, is connected with a driving mechanism used for driving the bag cutting device to act and comprises an annular rack connected with the driving mechanism and four swing arms evenly hinged to the annular rack, the ends, located at the central position of the annular rack, of the swing arms are provided with cutter blades, and when the driving mechanism drives the annular rack to rotate, the cutterblades move to the direction away from the central position of the annular rack. According to the rubbish barrel capable of separating the rubbish bag, the bag cutting device can cut the bottom of the rubbish bag into a cross opening, so that rubbish and the rubbish bag are separated in the case of not dirtying hands, and the rubbish barrel is convenient to use.

The invention discloses an industrial critical carbon dioxide heat pump oil separator. The industrial critical carbon dioxide heat pump oil separator comprises a main cylinder; an inner cylinder is arranged inside the main cylinder; an oil inlet connecting pipe communicates with the top end of the inner cylinder; a gas exhaust pipe communicates with the surface of the main cylinder; the surface of the inner cylinder is not in contact with the inside of the main cylinder; a first filter screen and a second filter screen are respectively arranged inside the inner cylinder; and a positioning plate is embedded inside the inner cylinder. According to the industrial critical carbon dioxide heat pump oil separator, the inner cylinder is arranged inside the main cylinder, through holes are formed in the surface of the inner cylinder, thus lubricating oil can flow out through the through holes, and the oil separator can finish independent exhaust when one of the first filter screen, the second filter screen or a third filter screen is blocked, so that the condition that the lubricating oil flows back is avoided, the damage of the lubricating oil return to a critical carbon dioxide heat pump is reduced, and the situation that the critical carbon dioxide heat pump cannot operate normally is avoided.

The invention provides a firmware upgrading method and device and a readable storage medium. The method comprises the steps of obtaining a patch file of a to-be-applied patch of current version firmware, wherein the patch file comprises a patch code, a patch space address and a skip list address corresponding to a patch; writing the patch code into the patch space address, wherein the patch spacecorresponding to the patch space address is a pre-erased space; modifying a skip list address corresponding to the patch into the patch space address, wherein the skip list spaces corresponding to theskip list addresses corresponding to the patches are pre-erased spaces. According to the method, the stability and safety of firmware upgrading are improved.

The invention discloses an intelligent charging cabinet for a power battery, and the cabinet comprises a cabinet body, an intelligent display screen, a control mainboard processor, an electric door lock and an intelligent charging control base; the cabinet body is divided into a plurality of battery placement small cabinets and the intelligent display screen, and battery packs are placed in the battery placement small cabinets. A charging connector is arranged on the surface of the intelligent charging control base, the charging connector penetrates through the small battery containing cabinet to facilitate charging of the battery pack, a data detection cable is arranged in the charging connector, and an intelligent controller is installed on the back face of the intelligent charging control base; through cooperation of the data detection cable, the charging connector, the intelligent controller and the intelligent charging control base, whether a new battery pack needs to be charged or not can be detected, and the situation that the new battery pack cannot operate normally due to power shortage is avoided, the probability of potential safety hazards caused by continuous charging due to other faults is reduced, and the safety guarantee of the charging cabinet is improved.

The invention discloses an efficient fertilizer mixing device for fruit tree planting, and relates to the technical field of fruit tree planting. The problems that the contact area of stirring bladesand organic fertilizer is limited, and organic fertilizer mixing is not uniform enough are solved. The device specifically comprises a protection frame, four supporting legs are arranged at the four corners of the outer wall of the bottom of the protection frame respectively, a supporting base is arranged on the outer wall of the top of the protection frame, and a discharging opening is formed inthe outer wall of the top of the supporting base. By arranging a supporting column, a mixing plate, a mixing wheel, an electric telescopic rod and a folded hose, after dispersed fertilizer enters a mixing box, the electric telescopic rod starts to do telescopic reciprocating motion to push the mixing box to move back and forth on the two limiting grooves through the rolling wheels, and therefore the organic fertilizer entering the mixing box is shaken back and forth; meanwhile, the mixing plate fixed by the supporting column can extrude and mix the organic fertilizer in the mixing box back andforth, so that the mixing efficiency of the organic fertilizer is effectively improved.

The invention discloses an automobile electronic-control unit software compatibility inspection method and device. The method includes: after it is detected that software completes updating, reading afirst checking value stored by an i-th block and a second checking value stored in an i+1-th block, wherein 2 <= i <= N - 1, N is an integer, and both the first checking value and the second checkingvalue are generated after checking data in the i-th block; comparing the first checking value and the second checking value; and when the first checking value is different from the second checking value, determining that the data stored by the i-th block are incompatible with data stored by the i+1-th block. The above-mentioned scheme can inspect whether all blocks of the software completing updating are compatible.

The invention discloses a refrigeration system with highest evaporation pressure control. The refrigeration system comprises a compressor, a condenser and an evaporator which are sequentially and circularly connected through pipelines. An expansion valve is installed on the connection pipeline between the compressor and the condenser. A temperature sensor of the expansion valve is installed on the connection pipeline between the evaporator and the compressor. The expansion valve with an MOP function is arranged between the condenser and the evaporator of the refrigeration system, the outlet temperature of the evaporator is sensed through the temperature sensor and transmitted to an expansion valve executor to be used for controlling the flow quantity of a refrigerant in a refrigeration system loop, and thus system evaporation pressure is controlled. The refrigeration system is made to always work within a reasonable operation range efficiently and safely, and the situation that the refrigeration system cannot operate normally because the temperature of lateral inlet air (or inlet water) of the evaporator is too high is avoided.

The invention provides a laundry treatment device, a drainage control method, device and equipment thereof and a storage medium. The drainage control method comprises the following steps of: acquiringthe drainage requesting information of a first laundry treatment module with a drying function; acquiring the status information of a second laundry treatment module with a washing function; determining that the drainage requesting information is acquired, and determining the drainage timing according to the acquired status information; and determining that the drainage timing arrives, and controlling the drainage of a draining pump. According to the drainage control method, the draining pump is used for draining water. After the drainage requesting information is acquired, the drainage timing is determined according to the status information of the second laundry treatment module. Only when the second laundry treatment module is in a non-running state, water is drained according to the drainage requesting information of the first laundry treatment module. When the second laundry treatment module is in the running state, the drainage timing is determined only according to the status information of the second laundry treatment module, and thus, the condition that the execution of the drainage command of the first laundry treatment module affects the normal operation of the second laundry treatment module can be avoided.

The invention relates to an equipment state monitoring system and monitoring method, and belongs to the technical field of monitoring system. The equipment state monitoring system includes a housing, a state switcher, a state transmitter, a state indicating lamp, a controller and a power supply, wherein the state switcher, the state transmitter and the state indicating lamp are arranged on the surface of the housing; the controller and the power supply are arranged in the housing; the power supply supplies power for the state switcher, the state transmitter, the state indicating lamp and the controller; the controller acquires the equipment state data acquired by monitoring staff through the state switcher; the controller identifies the equipment state data and controls the state indicating lamp to display the corresponding equipment state; the state transmitter transmits a transmitting command of the state data to the controller; and the controller transmits the state data to a terminal monitoring system according to the transmitting command. The equipment state monitoring system can be used for monitoring the equipment state.