36results about How to "Reduce operating losses" patented technology

The invention relates to a method and system for preventing ETC lane cheating. The method comprises: when a vehicle enters an antenna communication region, acquiring first license plate information and first vehicle model information of the vehicle; when a vehicle which is provided with a vehicle-mounted unit enters the antenna communication region, acquiring second license plate information and second vehicle model information recorded in the vehicle-mounted unit; determining whether the first license plate information and the second license plate information are the same and whether the first vehicle model information and the second vehicle model information are the same, and if the first license plate information and the second license plate information are the same and the first vehicle model information and the second vehicle model information are the same, executing the following steps; before the vehicle passes a lane bar, determining the presence of three cheating behaviors like a previous car goes through a toll booth without paying, a successive car goes through the toll booth without paying, or falsely claiming as an ETC user or arbitraging ETC cards, and if the aforementioned cheating behaviors exist, controlling a power-driven bar and / or a snapshot camera to execute corresponding actions in order to prevent cheating vehicles from passing the ETC lane. The method and system of the invention can effectively recognize common cheating means in ETC transaction and can deter unlawful behaviors such as evasion and avoidance of highway and bridge toll.

A step-up / step-down DC-DC converter for reducing loss caused by activation and inactivation of transistors. An error amplifier included in a control circuit generates an error signal in accordance with voltage difference between an output voltage and a reference voltage. A PWM comparator compares a triangular wave signal and the error signal to generate a control pulse signal having a pulse width that is in accordance with the voltage difference between the output voltage and the reference voltage. A pulse detector monitors the control pulse signal and generates a mode switch signal for switching the operation mode of the DC-DC converter in accordance with a monitoring state of the control pulse signal. A switch provides the PWM comparator with the triangular wave signal or an offset signal, which is generated by adding an offset voltage to the triangular wave signal, in response to the mode switch signal.

A mine transport vehicle is disclosed having two main bodies, one a power and control section and the other a payload section, the two sections being connected by an articulating joint. The power and control section has seating for an operator and a passenger. The payload section has seating for four passengers as well as capacity for at least approximately 2000 pounds of equipment. The weight distribution of each section is such that the stress on the frame and articulating joint is minimized thus providing improved life of the joint.

The invention provides a human body tracking system which achieves the coordinate tracking and positioning of a target object user in different regions in the whole shopping process of an unmanned supermarket without dead angles. The human body tracking system comprises a first human body marking tracking device arranged at an entrance guard system gate at an entrance of a closed space of the unmanned supermarket, a second human body marking tracking device arranged in the front area of a goods shelf, a third human body marking tracking device arranged on the roof of the unmanned supermarketclosed space and a fourth human body marking tracking device arranged on an entrance guard system gate at an exit of the closed space. Therefore, dead-corner-free coordinate tracking and positioning of the target object user in different regions in the whole shopping process of the unmanned supermarket are realized, and the risk of supermarket loss caused by the fact that customers of the unmannedsupermarket carry commodities privately is greatly avoided.

The invention discloses a battery environment processing device, a battery system with the battery environment processing device and a vehicle. The processing device comprises a battery box main body;at least one liquid level sensor arranged on the battery box and used for detecting liquid level information of a specified position of the battery box; and a battery management unit (BMU) electrically connected with the at least one liquid level sensor in a communication manner and used for acquiring the liquid level information detected by the at least one liquid level sensor and determining the current state of the battery box according to the liquid level information so as to execute a processing scheme corresponding to the current state of the battery box. The technical problems that a traditional battery box detection module does not have liquid level and humidity detection, so that the battery box may work in a high-humidity environment for a long time, the battery cannot be used safely and normally, and the service life is shortened are solved.

The invention relates to the technical field of storage devices, and discloses a raw material storage device for research and development of a bio-based material technology. The device comprises a tank body, and one side of the tank body is fixedly connected with a connecting valve. The tank body, the connecting valve, an adjusting mechanism, a motor box, a closing mechanism, a conveying pipe, a pipeline, a clamping mechanism, a cleaning mechanism, a stud and a butt-joint plate are matched and connected for use. An operator can put materials inside through a feeding opening in the upper portion of the cleaning mechanism and filter the materials through a filtering plate in the cleaning mechanism, and therefore, the cleanliness of the internal materials is improved. Then, the materials are extracted through an internal air pump and conveyed through the connected conveying pipe, the materials are mixed more uniformly by a stirring rod and a propeller in the tank body, and then, the materials are stored and placed. The process of independent mixing is reduced. The materials can be directly stirred and stored, and the operation efficiency and speed are greatly improved.

The present invention relates to a method for disconnecting a transceiver from a bus in multipoint / multidrop architecture. A central processing unit (CPU) and a universal asynchronous receiver transmitter (UART) in a system are connected to a controller used for storing and transmitting data, and the controller is further connected with a bus through a transceiver that monitors / records data and a relay that connects or disconnects the transceiver from the bus. The controller comprises a signal comparator used to compare similarities and differences of data and a failure detection controller used to achieve connection or disconnection of the bus with the transceiver. In case of the transceiver's failure, the controller disconnects the transceiver from the bus to ensure that the bus does not fail to work due to breakdown of the transceiver. On the other hand, a signal feedback mechanism is also utilized for a maintenance person to shorten the time in failure detection and thus reduce enterprises' operating losses caused by breakdown of their communication equipments.

A catenary operation risk assessment method that can reveal the sensitivity of components. The main steps are: A. Check historical data to obtain the number of catenary trips, power outage time and total investigation time B. Calculate the failure rate and repair rate of component c. , Calculate the probability of the occurrence of the operating state to obtain the probability D of the yth catenary failure state, calculate the catenary operating risk value E, calculate the risk prediction value F, and divide the catenary risk prediction value on the same line into four risk intervals; G. Calculate the sensitivity of the failure rate of components to the risk prediction value of the catenary in the high-risk power supply section under high-risk meteorological conditions. This method can evaluate the operating risk of the catenary under different meteorological conditions, and can reveal the risk of different components to the catenary operation. It can provide more effective and comprehensive data support for the design, manufacture and maintenance of the catenary.

The invention relates to a method for realizing remote monitoring and support for emergency repair of substations by adopting a monitoring platform, which belongs to the field of monitoring. Set up the front-end video acquisition device at the emergency repair operation site, set up the management and control platform server in the centralized control center, set up the desktop PC client, and set up the monitoring site mobile APP client on the mobile terminal; the front-end video acquisition device realizes the video image acquisition and monitoring of the job site Backhaul, real-time voice intercom and GPS positioning functions, the management and control platform server realizes information integration, video storage, video surveillance, video analysis, statistical analysis, system management and power operation site safety integrated management and control platform server functions; through the management and control platform service Terminal, PC client or mobile APP client, real-time monitoring and guidance of the emergency repair work site in the substation, real-time correction of on-site violations, with multi-party communication function, equipment manufacturer technicians can provide technical guidance remotely, speed up repair speed, and reduce repair costs . It is applicable to the field of remote monitoring of substations.

A high pressure pump includes a housing with a chamber formed inside and a flow control valve and a discharge check valve installed in the chamber; a piston installed to operate up and down in an assembly hall formed in the housing to compress fuel in the chamber to a high pressure; a cylinder forming a gap between an inner circumferential surface and the piston and guiding reciprocation of the piston; and a support member seated on a stepped surface of the housing to surround an outside of the cylinder and configured to elastically support the housing and the cylinder, thereby reducing friction while preventing fuel leakage between the piston and the cylinder.

The invention belongs to the field of detection, and discloses a gas-mass spectrometry chromatography combined detection method of ammonia nitrogen and an isotope content in a water sample. Accordingto the method, neutral formaldehyde is added into a to-be-detected water sample for reaction to generate stable imine, and then GC-MS is used for detection. According to the method, the gas is prevented from being used as a detection object, mass spectrum signals are greatly different after <14>NH4<+> and <15>NH4<+> react with neutral formaldehyde so that a conventional gas-mass spectrometry chromatography combined detection method can be used for direct qualitative and quantitative detection. In addition, only an operation pH value needs to be well controlled in an operation process, a good recovery rate is achieved within a time range in the right, the method is simple, and precision and accuracy are high.

A circuit system and a circuit control method applied to a motor drive are disclosed. The circuit control method includes the steps of providing a phase-locked circuit unit and providing a PWM control unit. The phase-locked circuit unit enables a first carrier signal and a second carrier signal to have identical amplitudes and starting points. The PWM control unit compares the first carrier signal with a reference signal for controlling a switch. When a load current is independently supplied by at least one DC capacitor, a SVPWM control unit controls an inverter unit for the load current to be zero, thereby reducing DC voltage ripple, operation loss and transient voltage surge.

A circuit system and a circuit control method applied to a motor drive are disclosed. The circuit control method includes the steps of providing a phase-locked circuit unit and providing a PWM control unit. The phase-locked circuit unit enables a first carrier signal and a second carrier signal to have identical amplitudes and starting points. The PWM control unit compares the first carrier signal with a reference signal for controlling a switch. When a load current is independently supplied by at least one DC capacitor, a SVPWM control unit controls an inverter unit for the load current to be zero, thereby reducing DC voltage ripple, operation loss and transient voltage surge.

The invention relates to an ETC lane anti-cheating method and system. The method includes: when the vehicle enters the antenna communication area, acquiring the first license plate information and the first model information of the vehicle; when the vehicle equipped with the vehicle unit enters the antenna communication area, acquiring the second License plate information and second vehicle type information; determine whether the first license plate information and the second license plate information and the first vehicle type information and the second vehicle type information are the same, and if they are the same, perform the following steps; when the vehicle passes through the lane Before the railing, judge whether there are three kinds of cheating behaviors, such as the car in front of the station, the car following the station, and falsely claiming a set card. If there is, control the electric railing and / or capture the camera to perform corresponding actions to prevent the cheating vehicle from passing through the ETC lane. The invention can effectively identify the common means of cheating in ETC transactions, and curb the illegal behavior of sneaking away to pay expressway and bridge tolls.

The invention relates to the field of cutting technology, and provides a cutting method and a cutting machine of sheet glass. The method comprises the following steps of: overlapping and bonding multiple pieces of sheet glass together; fixing the bonded sheet glass; and cutting with water-sand mixed jet flow. The cutting machine comprises a fixture platform, a water supply device, a sand supply device, a water-sand jet device, a transmission device and a controller, wherein the fixture platform is used for placing the sheet glass; the water-sand jet device is connected with the water supply device and the sand supply device and can eject the mixture of water and sand onto the sheet glass for cutting; the transmission device drives the water-sand jet device to move horizontally; and the controller is connected with the water-sand jet device and the transmission device. In the invention, multiple pieces of sheet glass are overlapped and bonded together and cut at a time, and thus the production efficiency is greatly improved; and moreover, the cutting force of water-sand jet flow is strong, the separation is not needed after the cutting, artificial operation loss is reduced, and the yield is increased.