171results about How to "No maintenance costs" patented technology

The present invention relates to a method in a first communications device for sharing an application with a second communication device. The method comprises the steps of: Sending a first short message service (SMS) to the second device. The first SMS comprises a link to a place from where the application can be downloaded into the second device. The first SMS comprises an identity for the second device to use for initiating an IP connection between the first device and the second device and the second device. The method comprises the further step of being connected by the second device for setting up an IP connection between the first device and the second device. The method comprises the further step of communicating with the second device in an IP connection sharing the application.

The invention provides a small current grounding system single phase earth fault traveling wave line selection and distance measurement apparatus which comprises a signal conversion plate, a high speed acquisition plate and a central management machine. The signal conversion plate converts bus zero sequence voltage and line current to 0 to 10 volts voltage signal after isolation. The high speed acquisition plate connecting with the signal conversion plate finishes the conversion from analog signal to digital signal, carries out high speed acquisition and caching, receives a synchronization time setting signal simultaneously, and marks data with absolute marker. A digital signal processor (DSP) of the high speed acquisition plate calculates whether the zero sequence voltage exceeds a starting set value or not, wherein, if so, line fault happens. The DSP automatically searches and calculates a tip size and direction of traveling wave, and outputs line selection result through a switch output plate connecting the high speed acquisition plate. Simultaneously wave recording is started to record fault data which is transmitted to the central management machine through a high speed bus. According to the wave recording data, the central management machine automatically searches initial wave tip of the fault line and time of fault point reflection wave tip, and calculates distance of the fault point. Finally, fault data and fault report are published through a WEB SERVER platform.

Provided is an in-car air quality monitoring and purification regulating system. A storage battery and three devices respectively powered by the storage battery are installed in a car. The three devices are a ventilating device, an adsorption and filtering device and a heating device. A temperature and humidity sensor, a formaldehyde sensor, a carbon monoxide sensor, a total volatile organic compound sensor and an inhalable particle sensor which are installed in the car are respectively connected with a system control module, and the system control module comprises a sensor signal processing circuit and a power supply on-off control circuit for the three devices. The system can monitor indexes such as in-car air quality and temperature and humidity in real time and start the three devices according to the index overproof conditions; the indexes can also be uploaded through the wireless network to a mobile by the system control module to be displayed in real time; the mobile phone can send instructions to the system control module according to users' requirements to start or shut down the three devices in real time, and purification adjustment of in-car air is achieved.

The invention relates to a method for improving an executive force of an overhaul work sheet key flow and is applicable to a communication resource management system in the power industry. The method comprises the following steps of: establishing the configuration information of a flow node; uploading an overhaul work order to a management system, and starting a processing flow; when the flow is turned to a node, scanning a database by using a workflow engine to search the configuration information of the flow node; according to the configuration information of the flow node, judging whether the node is required to be informed by a short message; if so, reading the name and mobile phone number of a processor of the node, and according to the information to be processed of the node, forming an informing short message; sending the informing short message to a mobile phone of the processor by the workflow engine through a short message center; and processing the node by the processor, and automatically turning the flow to the next node. By adoption of an automatic short message reminding function, the problem that the replying time of the whole work order is delayed because the overhaul work order stays in a certain examination and approval link for a long time is solved. By using the conventional short message platform, the maintenance cost is low.

A spring clip modular assembly for a printed circuit board that has a solderless connection with a junction box. The assembly allows for easier and more efficient removal and replacement of the printed circuit board and electrical components while meeting the IEC 61215 second edition temperature standards. In addition, the spring clip is configured to reduce the amount of normal force applied to the printed circuit board when wire tabbing is inserted into the clips.

The invention relates to a cloud computing-based multimedia classroom system, which comprises a cloud computing management platform, thin clients and a switchboard, wherein each thin client is connected with the cloud computing management platform through the switchboard. A cloud computing system is a server side of the whole system structure, the cloud computing management platform generates an appointed number of virtual machines and creates virtual machine templates in different courses, the virtual machine template of each course is deployed to each virtual machine before class through a vertical machine cloning or snapshot manner, the thin clients are connected to the virtual machines through the switchboard by a teacher and students, and therefore the multimedia classroom system aiming at certain course is established in short time. Compared with the traditional multimedia classroom system, the cloud computing-based multimedia classroom system has the advantages of achieving the purposes of rapid deployment and unified management, improving the teaching effect of multimedia courses, reducing the purchasing and maintaining cost of the multimedia classroom and having favorable popularizing and using values.

Disclosed embodiments include thermoelectric-based thermal management systems and methods configured to heat and/or cool an electrical device. Thermal management systems can include at least one electrical conductor in electrical and thermal communication with a temperature-sensitive region of the electrical device and at least one thermoelectric device in thermal communication with the at least one electrical conductor. Electric power can be directed to the thermoelectric device by the same electrical conductor or an external power supply, causing the thermoelectric device to provide controlled heating and/or cooling to the electrical device via the at least one electrical conductor.

A river water quality monitoring method based on a high-resolution remote sensing satellite comprises the following steps: the high-resolution remote sensing satellite acquires a high-resolution remote sensing image a of a river to be monitored from a ground station, and transfers the digital topographic map of the region of the river to be monitored; a preprocessing module preprocesses the high-resolution remote sensing image a to obtain n high-resolution remote sensing images c of the image capable of displaying the complete river to be monitored at different wavebands; a controller performsregression analysis on the actual mass concentration of each reference position point and the reflectivity of each reference position on the high-resolution remote sensing images c to obtain a corresponding regression equation, and establishes a relationship function between the actual mass concentration of every reference position point and the reflectivity at every reference position on every high-resolution remote sensing image c based on the regression equation with a smallest dispersion degree; and the controller calculates the reflectivity of a monitoring point on each of the n high-resolution remote sensing images c, and calculates the water quality parameter mass concentration at the monitoring point according to the relationship function.

The invention discloses a sensorless frequency conversion constant pressure water supply control method. Based on the pump characteristic model established based on the flow and head (pressure) curve, flow and power curve, the feedback of the pressure sensor is simulated through the pump characteristic model to achieve closed-loop frequency conversion without the pressure sensor. Constant pressure water supply control. After the model is established, the expected pressure value can be rewritten arbitrarily without re-measurement. The effect of sensor movement can be reproduced by setting the inverter parameters to complete the constant pressure control of any end load.

A high combustion efficiency device for liquid fuel comprises a hollow member made of electrically conductive material, liquid filling the hollow member and tourmaline particles dispersed in the liquid, wherein the high combustion efficiency device is formed to be attachable to at least part of a fuel tank of liquid fuel and a fuel passage extending from the fuel tank to a combustion device of the liquid fuel.

The invention relates to a set top box program payment method and a system. A payment descriptor is added to the program EPG information, the payment descriptor is acquired by a set top box, a two-dimensional payment code is generated, payment can be accomplished by a user through only reading the two-dimensional payment code by utilizing a mobile terminal, payment cooperation can be realized without a CA card or a CA system, so no huge maintenance cost is generated during expanding the payment function, the user has no need to re-purchase the set top box, payment can be realized with the set top box without the CA function, fee-based programs can be watched, the system is quite convenient for the user to watch, and user experience is great.

The invention relates to a bus information inquiry method, a collection method and a bus information system. Inquiry and collection of bus information can be realized in asynchronous exchange of bus information of bus participants. At first, a bus information exchange request is sent through a controlled common networking device and comprises a bus information and/or inquiry request to be exchanged. Then the bus information exchange request is received by an asynchronous bus information exchange center, the exchanged bus information is stored, and the required bus information is inquired in the relevant stored bus information which is exchanged by other bus participants according to the inquiry request in the exchange request and is returned to the common networking device. No special bus information source device is needed for bus information inquiry or the bus information system, the openness of bus information inquiry services can be maintained, costs of the bus information inquiry services can be minimized, and more diverse bus information can be provided than the prior art.

The invention discloses a full-automatic charging system for an electric vehicle. The full-automatic charging system comprises an electricity generating module, an electricity storing module, a charging module and a billing module. The electricity generating module comprises at least one solar photovoltaic battery. The electricity storing module comprises at least one energy storing storage battery. The charging module comprises a DC-AC inverter and a primary coil for being coupled with a secondary coil of the electric vehicle which is charged in a wireless mode. The billing module comprises a wireless identification device and a taximeter. The solar photovoltaic battery is electrically connected with the electricity storing module which is electrically connected with the charging module. The secondary coil of the electric vehicle is connected to the AC-DC inverter which is connected to a storage battery pack of the electric vehicle.

The invention discloses indoor positioning and navigation methods and devices, a computer readable medium and electronic equipment and relates to the technical field of computers. The indoor positioning method comprises the following steps of acquiring images at different positions and generating an image database, wherein each image comprises position information of the image in a room; acquiringa target image photographed by a user end at present; determining an image, similar to the target image, in the image database as a candidate image; and determining the position of the user end basedon the position information of the candidate image. The indoor positioning method provided by the invention can accurately determine the indoor position of a user and is relatively low in cost.

The invention discloses a detection wheel with directionality and a method for detecting running speed and running direction of a vehicle at the same time. Pulse detection is performed on the detection wheel through a rotating speed sensor, and with the help of analysis and calculation of a control system, rotating speed and rotating direction of the detection wheel can be acquired at the same time, so that actual running rotating speed and advancing direction of the vehicle can be acquired at the same time. Actual traveling direction of the vehicle can be detected only by changing detection wheel teeth of an existing detection wheel, so that the problem that the rotating speed sensor can only acquire rotating speed from the detection wheel and cannot determine direction in the prior art is solved, the safety problem caused by the fact that the actual traveling direction of the vehicle is opposite to needed moving direction is solved, and potential safety hazards in running of the vehicle are eliminated.

A bi-directional spiral material-discharging bin is composed of a material level instrument, a material-discharging bin body, a material-pushing bin, a motor transmission device, a screw and a blow-off valve. The upper portion of the material-discharging bin body is cylindrical, the bottom of the material-discharging bin body is conical, a cone base is provided with a material outlet, the material-pushing bin is cylindrical and is provided with an upper feed port and a lower discharging port, the material-pushing bin end of the bi-directional screw is spiral in the forward direction, the tail end of the material-pushing bin is spiral in the reverse direction, the material level instrument for measuring the height of an accumulated material in the material-discharging bin body is fixedly installed in the material-discharging bin body, an upper feeding port flange on the material-pushing bin is in sealed connection with a cone base material outlet flange of the material-discharging bin body in a bolted connection mode, and the blow-off valve is in sealed connection with a material-pushing bin lower discharging port flange in a bolted connection mode. The problem that due to the inborn inherent defects of a traditional material-discharging bin in structural design, the traditional material-discharging bin is complex in structure and large in volume is large, easily-damaged parts are many, the reliability is poor, the traditional material-discharging bin does not save energy and is not environmentally friendly, intermittent discharge is caused, and large discharging impact is caused is solved well.

The invention relates to a checkweigher for weighing a slide way. The checkweigher comprises a third support frame and a fourth support frame, wherein a weighing sensor is arranged on the third support frame, and a weighed slide way which is obliquely placed is arranged on the weighing sensor; an eliminating platform and an eliminating and grading mechanism are arranged on the fourth support frame; the eliminating platform is arranged below a discharge outlet of the weighed slide way; and the weighed slide way is in rigid connection with the stressed end of the weighing sensor through a force guide rod, an included angle between the design stressed direction of the weighing sensor and the material sliding direction of the weighed slide way is B, and B is more than 0 degree and less than 90 degrees or B is more than 90 degrees and less than 180 degrees. The back end of the weighed slide way and the front end of the eliminating platform are opposite with a spacing interval and are not in contact, and the weighed slide way is higher than the front end of the eliminating platform, so that the checkweigher solves the problems that a rotating motion part in a weighing and metering unit of an existing separating and checking scale seriously affects weighing precision, economy, practicality and efficiency, as well as the problems that an eliminating and grading device affects the weighing precision and the manufacturing, debugging and maintenance cost.

The invention discloses a two-in-one coaxial direct current brushless motor which is an integrated motor composed of two direct current brushless motors with approximately equal power in a coaxial manner, wherein the performance of the integrated motor is obviously improved; the two-in-one coaxial direct current brushless motor comprises a public rotating shaft, a first motor, and a second motor;both the first motor and the second motor are the direct current brushless motors and arranged on the public rotating shaft in series; and by virtue of process control, the synthesized torque of the two-in-one coaxial direct current brushless motor is always more than zero when the two-in-one coaxial direct current brushless is started, and the minimum synthesized torque is the maximum torque of one of the motors, therefore, the torque amplitude of the whole motor is effectively reduced, the running of the motor is free from dead angles, the starting performance is better, the vibration caused by electromagnetic switching of the motor is reduced and the noise is reduced; and meanwhile, after being coaxially overlapped without changing the external diameter of the motors, the two motors can work simultaneously to achieve the effect of outputting a greater torque.

The present invention relates to a method in a first communications device for sharing an application with a second communication device. The method comprises the steps of: Sending a first short message service (SMS) to the second device. The first SMS comprises a link to a place from where the application can be downloaded into the second device. The first SMS comprises an identity for the second device to use for initiating an IP connection between the first device and the second device and the second device. The method comprises the further step of being connected by the second device for setting up an IP connection between the first device and the second device. The method comprises the further step of communicating with the second device in an IP connection sharing the application.

The invention discloses a wireless light-watching seeding system for a warehouse, which comprises a lighting tag, a wireless transmitter and a PDA. A seeding task control subsystem and a WMS order data interface subsystem are installed in the PDA. The WMS order data interface subsystem interfaces with various kinds of WMS to generate a single-wave picking list. The seeding task control subsystem establishes the binding relationship between the customer order and the lighting label with unique identification code. PDA scans the barcodes of the ordered goods one by one; The wireless transmitterreceives the instruction of the order goods barcode scanned by the PDA and transmits the instruction to the light label bound by each order. The light label receives the instruction of the barcode ofthe goods in the order, and the light label of the warehouse location of the goods will be on, reminding the staff to put the goods on the warehouse location corresponding to the light, and the task will not be finished until after all the goods are assigned to the warehouse location, and then the next wave of orders will be circularly sown. The invention has the advantages of low cost, high flexibility, high safety and low maintenance cost.

The invention provides a production technology of a polypropylene building template, which is the technology for producing the building template by adopting waste plastics as the raw materials. The production technology comprises the steps of pretreating the raw materials, mixing the materials, and carrying out extrusion molding. The raw materials are treated based on a certain ratio and prepared into the product building template under a certain condition. The product building template has the characteristics that the construction quality is high, the building template can be recycled for a plurality of times, the cost is reduced, the benefit is increased, the energy conservation and environment protection are realized, and the residues can be recycled; and the product building template has a large market demand and wide prospect, and is an excellent substitute for steel templates, bamboo plywood and wood plywood.