80results about How to "No additional hardware costs" patented technology

The invention discloses a method for preventing a mobile phone incoming telegram disturbance comprising the following steps: a. a system acquires a call duration time and an incoming telegram number when the incoming telegram calls; b: the system compares the call duration time with a limited value arranged by the system, when the call duration time is shorter than the limited value, the system automatically divides the incoming telegrams into dangerous calls, reminds the phone master tread lightly. The invention performs system judgment and prevention of one-sound trap telephones through a software mode. The system arranges a calling delay ring or vibration mode, which effectively avoids the disturbance telephones, and provides a gain service for users without increasing the telephone hardware cost.

The invention relates to a vehicle safety door opening reminding system based on a vehicle body controller and a control method of the vehicle safety door opening reminding system. A CAN bus is used for obtaining vehicle door lock state signals, whether a vehicle door is allowed to be opened or not is judged, and therefore whether the reminding function is activated or not is judged; an LED lamp installed at the in-vehicle handle position conducts vision reminding on a driver and passengers, and a buzzer arranged in an instrument conducts sound sensation reminding on the driver and passengers; and meanwhile, an out-vehicle width showing lamp or steering lamp is used for conducting vision reminding on back closing vehicles or conducting sound sensation reminding through a horn, the back closing vehicles are reminded of paying attention to parking vehicles on the front road face, and collision between the vehicle door and the back closing vehicles is accordingly avoided. According to the vehicle safety door opening reminding system and the control method, starting from door opening early alarming actual application scenarios, no radar sensor is adopted, the vehicle door opening reminding function can be achieved only by amending BCM controller software, and collision between the vehicle door and the back closing vehicles is avoided. Compared with a vehicle opening early alarming system at present, the vehicle safety door opening reminding system has the beneficial effects of being simple, practical, low in cost and the like.

The invention provides a controlling method for defrosting of an air conditioner. The air conditioner has a heating mode and a defrosting mode started after a preset triggering condition is met when the air conditioner is operated in the heating mode. The controlling method comprises the steps that when the air conditioner is operated in the heating mode, the coil temperature of an indoor heat exchanger is continuously detected; when the preset triggering condition is met, an air conditioner self-heating mode is switched to the defrosting mode, and time of switching the heating mode in this time to the defrosting mode of the air conditioner is calculated, and the time is called the heating mode time Sy; when the air conditioner finishes defrosting, the time of running the defrosting mode of the air conditioner in this time is obtained, and the time is called the defrosting mode time Sc; and the dynamic triggering condition for entering in the defrosting mode of the air conditioner for the next time is determined according to the coil temperature, the heating mode time Sy and the defrosting mode time Sc. The controlling method for defrosting of the air conditioner can adjust the triggering condition for entering the defrosting mode for the next time so that the air conditioner can defrost at the most suitable time, and the defrosting effect is optimum.

The invention discloses a Bluetooth headset noise reduction method, device and system and belongs to the technical field of electronic equipment. The method includes the steps that when a voice data channel is opened, a terminal sends a noise signal acquisition instruction to a Bluetooth headset; the Bluetooth headset acquires noise signals and sends the noise signals to the terminal; the terminal generates inversion signals according to the noise signals and sends the inversion signals to the Bluetooth headset; the inversion signals are played by the Bluetooth headset along with music signals or voice signals. According to the Bluetooth headset noise reduction method, device and system, noise reduction of the Bluetooth headset is achieved on the terminal side through software, so that the Bluetooth headset is low in cost, small in size and convenient to carry.

The invention relates to a system for updating firmware from a long distance and a method thereof, and aims to provide an updating operation that a remote computer controls a local computer to execute the firmware through a network communication system, and firmware updating file data is memorized in the remote computer. The invention provides a firmware updating execution command which is input by the remote computer through a trigger module; the remote computer transfers the input firmware updating execution command and the firmware updating file data to the local computer through the network communication system; the local computer responds to the firmware updating execution command transferred by the trigger module through a control module, so as to receive the firmware updating file data transferred by the remote computer; in this way, the local computer is controlled to execute corresponding firmware updating operation, thereby providing a simple, convenient and safe firmware updating method.

The invention discloses a method for accomplishing trans-frequency point service in IP STB comprising: simultaneously accessing multiple IP STBs to IP network and broadcasting TV network; every IP STB uploading working frequency point information to IP server in IP network; when user triggers trans-frequency point service of first IP STB, then information of a second IP STB working at target frequency point is acquired from IP server, the first IP STB and the second IP STB establishing links and accomplishing trans-frequency point service by receiving TV program information data of corresponding target frequency point transmitted by the second IP STB. The invention also discloses an IP STB for accomplishing trans-frequency point service. The invention interlinks multiple IP STBs of broadcasting TV network through IP network, accomplishes sharing of program data acquired by IP STB through tuner, thereby accomplishes trans-frequency point service of IP STB with single tuner.

The invention discloses a start control method for an outdoor blower fan of an air conditioner. The outdoor blower fan comprises an outdoor motor and a motor driver. The start control method for the outdoor blower fan comprises the following steps of: charging a bootstrap capacitor in the motor driver by using a charging power supply after a start instruction is received; detecting the three-phase current of the outdoor motor in the bootstrap capacitor charging process; determining the rotor state of the outdoor motor according to the three-phase current of the outdoor motor in order to acquire the initial start operating condition of the outdoor blower fan; and performing start control on the outdoor blower fan according to the initial start operating condition of the outdoor blower fan. The start control method may accurately determine the initial start operating condition of the outdoor blower fan without an increase in hardware cost or prolongation in software execution time, thereby guaranteeing the heat-dissipating effect of an air-conditioning heat exchanger and improving the start reliability of the motor. The invention also discloses a start control device for the outdoor blower fan of the air conditioner.

The invention discloses a field test method for testing the performance and the secondary circuit of an extra-high-voltage direct-current phase-selecting switching-on device. On the basis of correctly setting the parameters of the phase-selecting switching-on device, the output voltage and current signals of a relay tester are connected in series with the corresponding-phase switch and the corresponding voltage and current loops of a switchyard three-phase circuit breaker. After that, a manual switching-on instruction is issued by an instation SCADA system. When all three phases of switches are in the switched-on state, instation fault wave recording data of a test switch are called. According to the time difference between the current starting point of each phase and the voltage zero-crossing point of a corresponding-phase switch, whether the control effect of the phase-selecting switching-on device meets the requirement or not can be judged. The effective test problem of the performance and the corresponding secondary circuit of the phase-selecting switching-on device can be solved. Based on the method, the hardware cost is not increased and the test wiring is simple and convenient in operation. The correctness of the performance and the corresponding secondary circuit of the phase-selecting switching-on device can be effectively verified.

The invention relates to an abnormity judgment method of a clothes treatment device. The clothes treatment device comprises a control device, a drum and a motor, wherein a belt transmission device is connected between the drum and the motor. The method comprises the steps of: detecting the conduction angle theta d of the voltage applied to the motor in the operating process of the clothes treatment device and judging whether the belt transmission device is abnormal by the control device according to the detected conduction angle theta d. The method is adopted by the clothes treatment device. Once the belt transmission device works abnormally, particularly loses the transmission function, the control device judges the abnormity in time and takes corresponding safe and alarming measures, thus the risk caused by the continuous working of the clothes treatment device when the belt transmission device works abnormally is avoided.

An automatic addressable method for the distributed multiprocessor LED control system is the traditional RS485 added with a group of end-to-end control circuit, to make LED controller not only connect with the same RS485, but also link with each other to a chain. It completes address and addressing of the system microprocessor through software agreement to identify mapping of the address and the physical location of lamp. It is applicable to microcontroller addressable technology for the control of LED intelligent landscape lighting as well as the other intelligent systems or automation system requiring microcontroller address.

The invention provides a goods monitoring system and a goods monitoring method. The goods monitoring system comprises a closed space; goods shelves are arranged in the closed space; each goods shelf comprises shelf plates; goods are arranged on each shelf plate; a weight sensing device is arranged in each shelf plate; and the goods monitoring system further comprises a first goods sensing system and a second goods sensing system. The goods monitoring method includes the following steps of: shelf plate setting; first goods sensing; and second goods sensing. With the goods monitoring system andthe goods monitoring method of the invention adopted, a technical problem that a user wrongly takes goods and wrongly arrange goods can be solved by means of technical means, even if the user wronglyarranges the goods on other shelf plates, the shopping information of the user can be accurately and effectively recorded, and it can be ensured that settlement information is always consistent with actual shopping situations.

The invention relates to a method for judging a fault of a photovoltaic grid connection inverter. The method includes the following steps: acquiring current data at a DC side; according to a formula, calculating a scale factor K based on harmonic waves; according to a formula, calculating a set threshold T(h); if K<T(h), judging that a fault does not happen in the photovoltaic grid connection inverter; and if K>T(h), judging that a fault happens in the photovoltaic grid connection inverter. The invention proposes a judgment method of a self-adaptive protection scheme based on the scale factor K of the harmonic waves on the basis of the prior inverter protection. The method is adaptive to judgment of fault types of different inverters and is free from effects of external environment change so that judgment is accuracy.

The invention discloses a method and a device for prompting a vehicle parking place. The method comprises steps: state switching time and vehicle position information corresponding to the state switching time are acquired, wherein the state switching time is a time point when a vehicle driving state is switched into a vehicle driver walking state; and according to the state switching time and the positioning information, the vehicle parking place is prompted. According to the technical scheme provided by the invention, a carry-on intelligent product is used for automatically recognizing the parking state and the parking place, the user can be better served, and no extra hardware cost is added.

The invention provides a method, equipment and system for forwarding a message, relating to the technical field of communication. On the premise of not changing current networking and equipment capabilities, IP edge equipment is unnecessary to adjust after an ISP is changed by a user. The method comprises the following steps that: a remote authentication server receives an ISP selection message forwarded by the IP edge equipment, stores a corresponding relationship between an ISP VLAN tag and a set of identifiers, receives first authentication information sent by the IP edge equipment, obtains the ISP signed by a CPE according to at least one identifier in the first authentication information and the corresponding relationship between the ISP VLAN tag and the set of identifiers after the CPE is successfully authenticated, and sends the ISP VLAN tag of the ISP to the IP edge equipment, such that the IP edge equipment sends a first data message to the ISP equipment according to the ISP VLAN tag. The embodiment provided by the invention is used for forwarding the message.

The invention discloses a vehicle and a vehicle-mounted multimedia power management system. The system includes a power switch, an ACC detection circuit, a microcontroller and a microcontroller powersupply. The first end of the power switch is connected to an ACC power supply of the vehicle, the second end of the power switch is connected with a vehicle-mounted power supply, the output end of thepower switch is connected with a power amplifier and a power module in the vehicle-mounted multimedia, and the power switch cuts off the power supply path of the vehicle-mounted power supply to the power amplifier and the power module when the ACC power supply is cut off. The ACC detection circuit outputs a low power consumption signal when the ACC power supply is detected to be cut off. The microcontroller enters a low power consumption operation mode when receiving the low power consumption signal and controls at least part of a peripheral circuit of the microcontroller to be powered off. The microcontroller power supply converts the voltage supplied by the vehicle-mounted power supply to supply power to the microcontroller. The dark current of the vehicle-mounted multimedia can be effectively reduced, more requirements of the vehicle specifications are met, and the hardware cost is not increased too much.

The invention discloses a self-adaptive far and near light switching system and a control method thereof and belongs to the field of intelligent control of automotive electronic illumination systems.The self-adaptive far and near light switching system comprises an external image processing module, a control module and an execution unit, wherein the external image processing module is connected with the control module, the control module is connected with the execution unit, the external image processing module is used for acquiring front vehicle information, and the control module is used for receiving a control command of the external image processing module. The execution unit is used for executing the control command sent by the control module. The self-adaptive far and near light switching system optimizes a night illumination effect by continuously and gradually adjusting the brightness of a high-beam lamp, ensures that the brightness of the high-beam lamp does not cause glare of a driver driving a front vehicle and accordingly improves the night driving safety.

The invention discloses a filtering method for the direct-current side voltage of a cascaded distribution static synchronous compensator. A plurality of paths of sliding average filters are provided, correspond to to-be-filtered direct-current side voltage signals one by one, and are used for filtering double power frequency fluctuation components in the direct-current side voltage; each path of sliding average filter adopts the same principle and a uniform structure, a power frequency half period is taken as a working period, and a digital signal processor is realized through a digital control method. Compared with the conventional two-order low-pass filtering method, the filtering method has a better filtering effect. Moreover, a small quantity of time resources of the digital control system are occupied in an algorithm, and the system sampling frequency is increased, thereby increasing and improving the control accuracy of digital control and the system stability. Meanwhile, the dynamic response of the sliding average filters becomes faster.

The invention discloses an automobile and an idling start-stop controlling method and device thereof. The automobile comprises an idling start-stop switch. The idling start-stop controlling method comprises the following steps that user instructions are received through the idling start-stop switch; engine shutdown request instructions are generated when the condition that the idling start-stop switch is triggered in a first mode is judged according to the user instructions; and when an engine controller receives the engine shutdown request instructions, if the engine controller judges that the automobile meets the preset idling start-stop condition, an engine is controlled to be shut down. Therefore, according to the idling start-stop controlling method, a driver needs to determine whether the engine needs to be shut down or not according to driving conditions so that the fuel saving efficiency of idling start-stop can be improved, the loss of a storage battery and an engine starting system is reduced, and increasing of hardware cost is not required.

The invention discloses an abnormal braking rear-ending prevention early warning method, device and a vehicle. The method comprises the following steps that a speed information of the front vehicle isobtained in real time, the speed information comprises a vehicle deceleration information; whether the front vehicle is braked or not is judged according to the speed information; the brake light information of the front vehicle is acquired when the front vehicle decelerates, whether a brake light is on or not is judged; when the brake light of the front vehicle is not on, a warning message is sent to a driver of the vehicle; when the brake light of the front vehicle is on, a road condition information of a road in front is obtained, the road condition information is a road congestion information; whether the front vehicle belongs to abnormal braking or not is judged according to the deceleration information of the front vehicle and the road condition information of the road in front; andwhen the fact that the front vehicle belongs to abnormal braking is judged, the warning information is sent to the driver of the vehicle. According to the abnormal braking rear-ending prevention early warning method, device and the vehicle, the abnormal braking condition of the front vehicle can be judged in time according to the braking frequency and road condition information of the front vehicle, so that the early intervention is convenient to avoid the collision risk.

The invention discloses a mobile terminal, comprising: a collection module, used by the mobile terminal for operating a camera and collecting preview image information by the camera; a conversion module, used for converting the preview image information into an operation instruction; and a sending module, used for sending the operation instruction to a terminal device to control the terminal device. The invention further discloses a method for controlling the terminal device. According to the invention, any hardware cost of the mobile terminal does not need to be increased, and based on the existing mobile phone having an automatic focusing camera function, for example, a mobile phone, the operations of a 3D control terminal device can be realized.

The invention discloses an electronic tag reader-writer and an electronic tag information identification system. The electronic tag reader-writer has the voice frequency information coding and decoding functions and can assist electronic equipment to carry out the related operations on an electronic tag. The electronic tag information identification system is formed by the electronic tag reader-writer and the electronic equipment. According to the electronic tag information identification system, the electronic tag reader-writer is connected to a data interface of the electronic equipment, then voice frequency communication between the electronic tag reader-writer and the electronic equipment is carried out, and finally related operations are carried out on the electronic tag through a controlling module and a displaying module of the electronic equipment or corresponding service platforms. Due to the fact that when the electronic tag information identification system is implemented, the requirements for the electronic equipment are low, for example, an ordinary mobile phone provided with a headset interface can be selected, a technical improvement on the headset interface of the mobile phone is not needed, the functions of the controlling module and the displaying module can be shown in the forms of corresponding mobile phone bundled software, and the cost of existing mobile phone hardware does not need to be increased, the electronic tag reader-writer and the electronic tag information identification system are low in cost, convenient to use and easy to popularize.

The invention discloses an unmanned vehicle global path planning method and device, and the method comprises the steps: carrying out the static global path planning according to a high-precision map,a starting point and destination information, and obtaining a scheme with the shortest distance; in the track scheme with the shortest distance, adding real-time road condition information, and acquiring a scheme with the shortest dynamic driving time through the driving speed; employing the GPS / BDS satellite positioning precision factor for adjusting the driving speed, and forming the shortest-time global path planning suitable for the unmanned vehicle. Compared with a traditional method, the shortest time path obtained through the method is more suitable for the unmanned vehicle, and the hardware cost of the unmanned vehicle does not need to be increased.

The invention discloses an automatic identification method, an automatic identification device and a crane. The automatic identification method is used for preventing a variable-amplitude cylinder of the crane from colliding with a crane body, and comprises the steps as follows: detecting the angle formed by a large arm of the crane and a preset position, and detecting the rotation angle of a rotary table of the crane; determining the position of the variable-amplitude cylinder of the crane via the angle formed by the large arm of the crane and the preset position and the rotation angle of the rotary table of the crane; if the variable-amplitude cylinder is positioned in a dangerous space in which the variable-amplitude cylinder is likely to collide with the crane body, sending out a control signal which is used for preventing collision of the variable-amplitude cylinder with the crane body. According to the invention, safety problems about damage to the equipment and the like due to collision of the variable-amplitude cylinder with the crane body in the operation process of the crane are solved, and the operation safety is improved.

The invention provides a call forwarding control method and device, wherein the call forwarding control method comprises the following steps: a wireless connection function of a first mobile terminaland a second mobile terminal is opened; the first mobile terminal wirelessly monitors the second mobile terminal and acquires the monitored wireless signal strength; the first mobile terminal comparesthe radio signal strength with a preset signal strength threshold, and when the radio signal strength is greater than the signal strength threshold, a cancellation call forwarding request is sent tothe server to cancel the call forwarding service. By monitoring the wireless signal strength of the second mobile terminal in real time, the method cancels / restores the call transfer service, and theuser does not need to cancel the service manually, thereby simplifying the operation flow of the call transfer service, avoiding the loss caused by the user forgetting to cancel the service, and greatly improving the user experience.

The invention belongs to the technical field of aircraft flight control system design, and discloses an airplane real-time gravity center position estimation method to ensure that accurate gravity center position information is obtained. Based on existing airborne sensor information, the method obtains the estimated value of the real-time gravity center position through reasonable simplification and necessary protection link setting by utilizing a moment balance relationship, the realization of an active gravity center control function can be supported, and the performance of an airplane in a cruise stage is further improved.

The invention discloses a movement control method and device of a robot and the robot. The method comprises the steps of dynamically acquiring a current position point of a robot and a target positionpoint where a target object is located; determining a target moving path corresponding to the target position point, and determining a transition point located on the target moving path according tothe current position point and the target position point; calculating the linear speed and the angular speed of the robot according to the dynamically obtained distance and angle of the robot relativeto the transition point at present, and controlling the robot to move towards the transition point according to the linear speed and the angular speed obtained through calculation at present until the robot reaches the target position point through the guidance of the transition point. By means of the mode, the transition point can be dynamically adjusted in real time according to the current position of the robot in the moving process, the linear speed and the angular speed of the robot are dynamically adjusted accordingly, and therefore the problem of robot route deviation caused by controlerrors can be effectively prevented.

The invention provides a limb movement recognition and comparison method based on artificial intelligence, and the method comprises the following steps: S1, collecting standard limb movement data, andtraining a standard movement model; s2, collecting body movement data to be compared; s3, inputting to-be-compared body movement data into the standard movement model, and respectively extracting body key point data in the standard body movement data and the to-be-compared body movement data; and S4, according to the standard limb movement data and the limb key point data in the to-be-compared limb movement data, calculating the deviation between the to-be-compared limb movement and the standard limb movement, and scoring the to-be-compared limb movement. The body movement recognition and comparison cost is low, the convenience is high, the efficiency is high, and the body movement recognition and comparison method can be applied to AI fitness and other scenes.

The invention provides an earphone device, a message reminding method of mobile equipment and a storage medium. When an earphone boxing instruction is detected, a Bluetooth earphone establishes Bluetooth connection with target mobile equipment so as to monitor whether a message reminding event occurs in the target mobile equipment or not through the Bluetooth connection; if that the target mobiledevice has a message reminding event is monitored, the Bluetooth headset sends a message reminding instruction to the Bluetooth headset box based on the carrier communication connection of the Bluetooth headset box; when the Bluetooth earphone box receives the message reminding instruction, corresponding message reminding information is displayed in a preset reminding mode. According to the earphone device, the Bluetooth earphone based on Bluetooth connection is used for monitoring the message reminding event of the target mobile device, and the message reminding information is displayed through the headset box when the message reminding event is monitored, so that a user is prevented from missing an instant message, the hardware cost of message reminding does not need to be increased, anduser experience is improved.

The invention discloses an internet of things gas meter with an autonomous upgrading function. The internet of things gas meter comprises a basis gas meter, a main controller, a communication module and a Flash memory, wherein the basic gas meter and the main controller are mutually connected; the communication module and the Flash memory are connected with the main controller; the main controlleris internally provided with an upgrading bootstrap program code storage area and a normal work program code storage area; the Flash memory is used for storing a gas meter upgrading code sent by the main controller; the upgrading bootstrap program code storage area is used for storing an upgrading bootstrap code; and the normal work program code storage area is used for storing a code when the gasmeter works normally and the gas meter upgrading code read from the Flash memory by the main controller. According to the internet of things gas meter, the upgrading bootstrap program code storage area and the normal work program code storage area are arranged in the main controller of the gas meter, completely independent codes are loaded in the two storage areas, and through matching of the twocodes, the gas meter can be remotely upgraded, so that function extension can be carried out after the gas meter is mounted.