47results about How to "Easy to control power consumption" patented technology

The invention provides a distributed multi-sensor mobile robot system, which comprises an upper-layer control part constructed by a duel-core processor in digital media SOC DMSoC and a customized embedded system framework, a bottom-layer control part consisting of a plurality of DSP units. Various units of the upper-layer control part and the bottom-layer control part are connected through a bus to form a distributed control network and realize parallel processing of functional units of a robot. In the system, the upper-layer control part is constructed by high-performance special DMSoC processor and the customized embedded system framework, the bottom-layer control part consists of the plurality of DSP units, and the various units can realize parallel processing and achieve local networkcommunications through the high-speed reliable CAN bus. The system has high-speed data processing capacity and real-time data communication capacity, reduces the size of a mobile robot platform, costand power consumption of the system, improves the extensibility and facilitates the application extending of the mobile robot.

The request discloses an electric equipment control device and a method. The device comprises a controllable switch, a communication unit and a control unit. The controllable switch is connected between the alternating current power supply end and the load end of a power supply path of the electric equipment. The communication unit is used for receiving the control signal sent by a user control terminal. The control unit is used for connecting or disconnecting the controllable switch according to the control signal received by the communication unit. By applying the above technical scheme, theuser can directly use the control terminal to control the power supply of the electric equipment and realize complete closing and opening of the electric equipment by disconnecting or connecting theelectric equipment and the power supply. Compared with the prior art, by applying the technical scheme provided by the request, optimum control of the power dissipation of the electric equipment can be realized and potential electric safety hazards of the electric equipment can be reduced on the premise of not needing the user to plug and unplug the power supply of the electric equipment manually.

The invention discloses a central heating and household control device for electric ground heating. A casing is provided with a strong current input switch and a liquid crystal display screen, wherein the strong current input switch is connected with a strong current input circuit; the casing is internally provided with a central processing unit, a weak current control circuit and a strong current control circuit; the strong current input switch is connected with the central processing unit by converting 220V into 24V; an output port of the central processing unit is respectively connected with the liquid crystal display, the weak current control circuit and the strong current control circuit; the weak current control circuit is connected with a temperature controller arranged in each room; and a half-wave starting control circuit is connected between the strong current control circuit and the central processing unit and is connected with a heating cable. On the one hand, the invention can be used for automatically dispensing the power of the heating cable, avoid the burnout of the heating cable because the heating cable gathers the heat for a long term and the heat cannot be dissipated. On the other hand, the invention can be used for easily controlling the power consumption and automatically dispensing the load of a transformer.

The invention discloses a layout and wiring method suitable for improving CPU core frequency. According to the invention, the physical realization layout and wiring method is improved; clock tree pre-synthesis is carried out in the layout stage; Useful offset (Useful Skew) and advanced on-chip change (AOCV) are used in the whole layout and wiring process (layout with clock tree pre-synthesis, clock tree synthesis and wiring). The whole process does not repair the retention time violation, resistance-capacitance coefficient correction is performed after wiring is completed, and then layout-clock tree synthesis-wiring with clock tree pre-integration is executed again. According to the invention, higher frequency of the CPU core can be realized, the area and the power consumption can be keptcontrollable, the time sequence convergence speed under multiple modes and multiple end angles is accelerated, and the method has the advantages of simple process, high operability and high time sequence convergence speed, and can still meet other sign-off tape-out conditions.

The present invention discloses a crystal oscillator. The crystal oscillator comprises: a crystal, an oscillating circuit, a first driving circuit, and a second driving circuit, wherein the oscillating circuit comprises a first oscillating transistor and a second oscillating transistor; the first oscillating transistor and the second oscillating transistor are used for providing transconductance for oscillation starting of the crystal and maintenance of oscillation; the first driving circuit is used for generating a stable reference current; and the second driving circuit is used for supplyingan operating voltage to the oscillating circuit, and enabling the operating current of the first oscillating transistor and the second oscillating transistor to be a stable current according to the reference current; and the operating voltage is used to control the first oscillating transistor and the second oscillating transistor to operate in a subthreshold region.

The invention relates to an ultrasonic altimeter used for a small unmanned aerial vehicle and belongs to the field of near earth ranging technologies of medium-low speed small unmanned aerial vehicles. An ultrasonic ranging technology is introduced into near earth ranging of the unmanned aerial vehicle, and the designed ultrasonic altimeter is small in volume and is low in power consumption, and is suitable for being installed on the small unmanned aerial vehicle with lighter load. The ultrasonic altimeter comprises an ultrasonic probe and a signal acquisition box, wherein an output signal is time pulse used for enabling the ultrasonic wave to move back and forth between an airplane and the ground. The ultrasonic altimeter has the advantages of low cost, small size, light weight, low power consumption, high precision and high practicability.

The invention discloses a target invasion monitoring system based on a wireless sensor network. The target invasion monitoring system comprises a terminal monitoring node, a route monitoring node, a network coordinator and a PC monitoring base station. The system is based on the wireless sensor network technology, and a plurality of sensor monitoring nodes are arranged in a classification mode to monitor a natural conservation area or other sensitive areas in real time. The system can automatically detect, recognize and locate an invasion target, and real-time monitoring, alarm display and data recording are achieved on an upper computer. The monitoring system can achieve communication with least energy transmission and has the standby awaking power consumption control function. The target invasion monitoring system is flexible and convenient to use, low in cost, low in power consumption, high in reliability, good in imperceptibility and wide in application range. Large-range and long-time unmanned monitoring under the severe environment can be achieved on a poaching preventing area and other areas needing to be monitored well.

The invention discloses a method and a device for controlling the terminal power consumption, wherein, the method has the step of obtaining the type of a shift toggle condition when a terminal receives the toggle shifting into a standard working condition, as well as the step of setting working frequency according to the obtained type of the shift toggle condition; and the working frequency comprises the working frequency of a treatment unit and (or) the working frequency of a system bus. Compared with the prior art, when the terminal is shifted into a Normal state, the device can not be run on the same frequency, the concrete type of the shift toggle condition needs to be firstly judged before the operation of shifting, and the corresponding working frequency is selected according to the type of the toggle condition, therefore, the working frequency of the terminal shifted into the Normal state can be matched with the frequency required for executing function at latter time, thus realizing the optimizing control of the power consumption and reducing the integral power consumption of the terminal.

The invention discloses a power supply convertor inputting under-voltage protection, which comprises a frequency generating circuit, an absorbing circuit, a feedback circuit, a transformer and an output circuit, an under-voltage protection which is connected between an electric quantity input end and a frequency generating circuit. Because the product inner circuit is provided with under-voltage protection function, so ensuring that the power supply inner circuit is in the closed state under state of inputting under-voltage, the circuit power consumption can be controlled, thereby improving the reliability and stability of the circuit.

The invention provides a headset. The headset comprises a head-mounted wire and earphones on two sides, the earphones on the two sides are connected to the two ends of the head-mounted wire respectively and are electrically connected through the head-mounted wire; the headset further comprises a controller and a function module. A signal transmitting module is arranged in the first side earphone;a signal receiving module is arranged in the second side earphone; the controller enables the signal transmitting module to transmit a wireless signal to the signal receiving module, receive a wireless signal intensity value from the signal receiving module, compares the wireless signal intensity value with a preset value, if the wireless signal intensity value is lower than the preset value, judges that the headset is worn and controls the function module to work, and if the wireless signal intensity value is not lower than the preset value, judges that the headset is not worn and controlls the function module not to work. Therefore, the wearing detection of the headset is accurate, and the function module works when the headset is worn and does not work when the headset is not worn, i.e., the power consumption control of the headset is good.

The invention relates to a high-speed long-distance directional data infrared transmission device which comprises a data conversion module, a transmission module and a receiving module. The data conversion module comprises a USB to IrDA transceiver which is used for converting data to be transmitted into an infrared digital pulse signal. The receiving module comprises an integrated infrared transceiver tube. The transmission module comprises a signal amplification driving unit and an infrared emitting array unit. The input end of the signal amplifying driving unit is connected with a data transformation module. The output end of the signal amplifying driving unit is connected with the infrared emitting array unit in communication with the integrated infrared transceiver tube. Compared with the prior art, the high-speed long-distance directional data infrared transmission device provided by the invention has the advantages of simple structure, fast data transmission speed and long transmission distance.

The invention relates to a water heater remote control method, device and system and a storage medium. The water heater remote control method can comprise the following steps: establishing a second communication link with a cloud server under the condition that communication with a water heater through a first communication link fails, wherein the first communication link comprises a UDP communication link and the second communication link comprises a TCP communication link; transmitting a control instruction to the cloud server through the second communication link, wherein the control instruction is used for instructing the cloud server to transmit control information obtained by analyzing the control instruction to the water heater; and cutting off the second communication link under the condition that a response message fed back by the water heater based on the control information is received. Failure compensation control can be achieved, a user can be prevented from using hot water without confirming a control result (success or non-success), and the control success rate is improved.

The invention discloses a control device and control method for shortening the access time of an external memory, and the method reduces the requirement for a storage space and the caching frequency through a method for caching data of discontinuous addresses, and facilitates the control of the cost and the power consumption. Meanwhile, data at discontinuous addresses are cached, so that the access time of an external memory can be shortened, the problem of bandwidth decline caused by sending of command words, read addresses and other data is solved, the equivalent effective bandwidth of the read-write host for reading the external memory can be increased to 100%, the reading speed is stable, the system performance is improved, and the invention has obvious advantages on scenes with strict program operation delay requirements.

The invention discloses a hardware architecture for automatic driving, and relates to the technical field of automatic driving, the hardware architecture comprises a plurality of target function modules, each target function module is used for independently realizing a target function in an automatic driving control process, and the plurality of target function modules are connected with one another; generating an automatic driving control instruction; the control module is used for controlling the vehicle to execute the automatic driving control instruction; and the backup redundancy module is used for monitoring the running state of the target function module and replacing the target function module to realize the corresponding target function when any target function module fails. According to the invention, a single target function module is responsible for a clear function, security redundancy is facilitated, each target function module is physically isolated, the problem of resource competition for the central processing unit and the graphics processing unit is solved, device breakdown is not caused when any target function module breaks down, and the stability and security of the system are improved.

The invention discloses an efficient TCAM (Ternary Content Addressable Memory) implementation method based on an SRAM (Static Random Access Memory). The method comprises the following steps: cutting an input table look-up key value into N sub-keys with W bit width according to a standard; judging whether the key value needs to be queried or not through a pre-table-look-up module; when the table pre-lookup result is that query is not needed, needing to insert a pipeline time delay module, simulating time delay generated by table lookup, and guaranteeing that the sequence of all table lookup results is consistent with that of input when the table lookup results are output; inquiring the SRAM table according to a table pre-lookup mode, performing logical AND on the found bitmap, and then mapping the final bitmap to a specific hit index. According to the method, the TCAM function can be realized by using the SRAM, a TCAMIP does not need to be additionally purchased, the size of the SRAM can be flexibly adjusted according to the table item specification, the limitation of the specific TCAM specification is avoided, and the chip project design progress can be effectively improved; and the overall area and the power consumption are more controllable.

The invention discloses a control circuit applied to a pump device and a water and air pumping control method. The pump device is used for pumping water and air, the control circuit comprises a detection feedback circuit used for obtaining working state information of the pump device and feeding the working state information back to a signal processing circuit, the signal processing circuit used for real-time adjustment of a driving signal sent to a power driving circuit according to the working state information and the power driving circuit used for driving a motor in the pump device to workaccording to the driving signal, and the control circuit is used for controlling the motor to run at the first rotating speed when the pump device is in the water pumping working state and controlling the motor to run at the second rotating speed when the pump device is in the air pumping working state, wherein the first rotating speed is smaller than the second rotating speed. According to the embodiment, the pump device can be controlled to achieve the air pumping and water pumping function at the same time, use and operation are facilitated, troubles are reduced, and the operation difficulty is reduced.

The invention discloses an airborne camera low-temperature heating system and a heating method thereof. The system comprises a control circuit, a temperature measurement circuit, a heating circuit, a communication circuit, a power supply circuit and an upper computer. The temperature measurement circuit detects the temperature of an external environment and transmits temperature information to the control circuit in real time, and the control circuit judges and processes the temperature information. When the external temperature reaches a preset starting temperature point, the control circuit sends out an instruction, and the heating function is started. According to the invention, the heating power can be dynamically adjusted in real time according to the change of the external temperature, and heating resources can be effectively utilized; and the system has a manual/automatic heating switching function, and is high in flexibility and high in environment adaptability.

The invention discloses an electronic rear lock and a control method thereof. The electronic rear lock comprises a shell, a driving assembly, a shaft sleeve and a base plate, wherein a sliding groove is formed in a driven gear, a protruding rib of the shaft sleeve is contained in the sliding groove, and the protruding rib can abut against a first abutting face or a second abutting face which are oppositely arranged through rotation of the driven gear, and therefore, electric unlocking and locking can be achieved in the mode that a driving piece drives the driven gear to drive the shaft sleeve to rotate, and manual unlocking and locking can also be achieved in the mode that the shaft sleeve is manually rotated to rotate in the sliding groove under the condition that the driven gear is not moved; three sensors are arranged on the base plate, the rotating position of the driven gear can be indicated, the three sensors can indicate the unlocking position, the initial position and the locking position respectively, the state of a lock cylinder can be recognized without arranging too many sensors, and control logic is simple.

The invention relates to a level shift circuit, which comprises a VDD as a chip power supply and a GND as a chip ground, the HB is a half-bridge high-side floating power supply; HS is half-bridge high-side floating ground; N1 and N2 are metal oxide semiconductors (MOS) for bearing half-bridge high voltage; wherein the resistor R1 and the resistor R2 are two resistors generating voltage difference;triodes Q1, Q2, Q3 and Q4 form two groups of current mirrors; the triode Q5 is a current source and provides bias current for the Q1 branch circuit or the Q3 branch circuit, and the magnitude of thebias current is determined by bias voltage Vb and a resistor R3 or R4; P1 and P2 are switching tubes for controlling whether the two groups of current mirrors generate current, and are respectively controlled by pulse signals pulse1 and pulse2; P3 and P4 are sampling switch tubes; R5, R6 and N3 are initial states generated by the RS latch; the PulseGen module receives a DRVIN signal and generatestwo paths of low and narrow pulse signals pulse1 and pulse2, the RS latch generates an output signal DRV_OUT, and the signal controls a subsequent driving circuit; the circuit is novel and concise, the circuit power consumption can be limited to be extremely low, and the power consumption value is accurate.