33results about How to "Reduce layout complexity" patented technology

The invention puts forward a positioning method and a positioning system based on signal emitting device antenna direction correction. The positioning method comprises the following steps: S1, processing a signal emitted by a signal emitting device to a to-be-positioned point into basic positioning information; S2, calculating out the preliminary positioning location of the to-be-positioned point using a signal attenuation calculation model and a positioning algorithm based on a propagation model; S3, acquiring the attenuation characteristic of the signal emitting device through measurement, wherein the attenuation characteristic includes a plurality of pieces of constant-amplitude attenuation information, and each piece of constant-amplitude attenuation information records the propagation characteristic relation between angle and distance under the same attenuation signal intensity; and S4, correcting the preliminary positioning location according to the attenuation characteristic to realize accurate positioning. According to the invention, the directivity of a signal source propagation antenna is taken into full consideration, and the existing positioning result is corrected using a measured antenna radiation signal attenuation model instead of an ideal attenuation model, which greatly improves the positioning accuracy. The positioning method and the positioning system are especially suitable for indoor Wi-Fi positioning, and have a broad market application prospect.

The invention discloses a heat dissipation integrated floor lamp, which comprises a base, a slide rail arranged on the base, a bottom column arranged in the slide rail through a sliding structure, one end fixed on the upper end of the bottom column, and a gooseneck with a lamp holder at the other end tube, the lampshade arranged on the upper side of the gooseneck, the height-adjusting tooth pattern arranged on the outer surface of the bottom column, and the heat dissipation support plate with control buttons arranged on the height-adjusting tooth pattern through the rotary buckle. The invention provides a heat dissipation integrated floor lamp, which can further improve the practicability and flexibility of the floor lamp, reduce the space conflict between the floor lamp and other products, greatly improve the use effect of the product, and enable consumers to better accept the product .

The invention relates to a vehicle-mounted battery charger which comprises a charger module used for charging a battery system. The vehicle-mounted battery charger further comprises a heat transfer plate and a heater. The heat transfer plate is in series connection with a heating cycle loop of the battery system. The heater is connected with an output end of the charger module. The charger module or the battery system supplies a power source to the heater through the output end. A flow channel is contained in the heat transfer plate and the heat transfer plate is connected with the heater. The heat transfer plate exchanges heat generated by the heater with refrigerant fluid in the heating cycle loop through the flow channel. According to the technical scheme, a high-voltage liquid heater need not be independently installed, the cost of an overall vehicle is reduced and the arrangement complexity of the overall vehicle is reduced. The invention further provides a battery liquid cooling system which reduces the system cost and decreases the system structure. The invention further provides the electric vehicle. The overall vehicle is lower in cost and smaller in arrangement complexity.

The invention relates to a diffuse optical tomography system, comprising a light source module, a transmission module, a receiving module and a data processing module, wherein the light source moduleis configured to generate a first optical signal; the transmission module is connected with the light source module and used for transmitting the first optical signal and a second optical signal, andthe second optical signal is formed by irradiation of a to-be-detected object by the first optical signal; the receiving module is connected with the transmission module and used for converting the second optical signal into an electrical signal; and the data processing module is connected with the receiving module and used for converting the electrical signal into a digital signal and then processing the digital signal. According to embodiments of the invention, an excitation-reception two-in-one optical fiber is utilized, so the number of optical fibers is decreased, the complexity of optical fiber arrangement is lowered, and data acquisition efficiency is improved; a receiving end optical switch is arranged at a receiving end, so the number of PMTs is decreased and system cost is reduced; and the switching of the receiving end optical switch is controlled by a processing unit so as to realize simultaneous acquisition of multi-channel data, so detection effect is improved.

The invention discloses a transmission positioning structure and a water outlet device. The transmission positioning structure comprises a base, a rotating piece and a sliding piece. The rotating piece is rotationally connected to the base, the sliding piece comprises a sliding rod arranged on the base in a rotation stopping and sliding mode and a sliding block arranged on the sliding rod, and the sliding block is matched with the inclined face of the rotating piece and is further provided with a fixing part and an elastic part. A positioning groove is formed in the matching face, matched with the sliding block, of the rotating piece, and the elastic part of the sliding block is configured to be suitable for being matched with the positioning groove in an abutting mode. According to the water outlet device, the transmission positioning structure is adopted, and the elastic part is matched with the positioning groove so that the sliding block can be used as a transmission component and can also be used as a component for providing the gear sense, the complexity of the whole structure is lowered, and the manufacturing and maintenance cost is reduced.

The invention relates to a transmission wavefront detection interferometer, which comprises a light source unit, a transmission optical fiber, a collimating unit, a first transition mirror, a measuredmedium, a second transition mirror, a convergence mirror, a wavefront detection unit and a control unit. The interferometer carries out optical path layout by using an optical fiber and has the advantages of simple structure, easy assembly, strong anti-interference, adjustable signal strength, etc. Moreover, when the system is subjected to dual-wavelength measurement expansion, a collimating unittwo-tone spectroscope and an interferometer unit two-tone spectroscope are used so that a low-cost dual-wavelength transmission wavefront detection system can be established conveniently.

The invention provides an integrated structure of a drive controller and a direct current converter. The integrated structure comprises a drive controller shell, an upper cover plate, a direct current converter shell and a lower cover plate, wherein the direct current converter shell is fastened with the drive controller shell in a vertical direction, the bottom wall of the drive controller shell is provided with an upper surface and a lower surface, the upper surface is provided with a first grooved water channel which is provided with a water inlet and a backwater inlet, the first water channel is covered with a heating module in the drive controller, the lower surface is provided with a second grooved water channel, the second water channel is covered with the direct current converter shell, the water inlet and backwater inlet of the first water channel are communicated with the second water channel to enable all or part of the cooling liquid flowing in the second water channel to enter into the first water channel through the water inlet and flow back into the second water channel through the backwater inlet. The integrated structure of the driving controller and the direct current converter has the advantages of higher integration level and better cooling effect.

The invention provides a signal processing method, a signal processing device and a signal processing system. The signal processing method, the signal processing device and the signal processing system include that a headphone can send digital audio signals to a mobile terminal, and the mobile terminal can also send the digital audio signals to the headphone. Since the signals transmitted between the headphone and the mobile terminal are digital signals, the opportunities that noise enters signals of global system for mobile communications (GSM) are greatly reduced, and the probability of occurrence of the noise on a telecommunications device for the deaf (TDD) is reduced. Meanwhile, without the need of arranging an electromagnetic interference device (EMI) on a main board of the mobile terminal, the area occupied by the layout of a printed circuit board (PCB) can be reduced, and the arrangement complexity of the PCB is lowered; and the PCB does not need to be protected strictly in the arrangement process so that the arrangement difficulty of the PCB can be lowered.

The invention provides a communication terminal and a multi-standby and multi-pass method and device thereof. The communication terminal comprises a first communication module which works in a first communication mode, an antenna corresponding to the first communication module, communication modules which work in other communication modes and antennas corresponding to the communication modules, and the first communication module comprises at least two user identification modules. The multi-standby and multi-pass device comprises a detecting unit and a control unit, the detecting unit is suitable for detecting whether the communication modules in the other communication modes are in an idle state or not, the control unit is suitable for controlling the first communication module to receive and send signals respectively through the antenna corresponding to the first communication module and the antennas corresponding to the communication modules which are in the idle state when the detecting unit detects that the communication modules in the other communication modes are in the idle state, and thus the standby state or communication service of the user identification module corresponding to each antenna is achieved. According to the technical scheme, the communication terminal and the multi-standby and multi-pass method and device thereof enable the communication terminal which is provided with at least two user identification modules to obtain the multi-standby and multi-path support on the basis that hardware cost and device layout complexity are hardly increased.

The invention discloses a system for communication expansion of a control system, which includes a controller module, a network node and a communication link. The controller module is serially connected to several network nodes through the communication link, and the terminal network node is connected to controller modules and form a ring network topology. The present invention is used for the control system of redundant network communication, realizes cascading of multiple expansion modules through the network interface, and enriches the functions of the controller system; the forwarding mode of the message cache can realize the full-duplex communication between the controller unit and the network expansion module ;Support forwarding messages at the same time during the storage process, and the message delay is small; the isolation between redundant communication links enables the system to support a ring network topology without adding network switching devices, making the network layout simpler and more reliable.

A refrigeration device (1), wherein a storage room located on the same layer of a box-shaped liner (10) is at least divided into a first storage room (101) and a second storage room (102), and a vacuumable chamber (11 ) is placed in the first storage room (101), like this, the second storage room (102) is a non-vacuum storage room, which can be set as a moisturizing storage room as required, and multiple types of storage rooms are provided for users to choose; in addition, the vacuum The chamber (11) needs to be evacuated by a vacuum pump (12). The vacuum pump (12) can be located inside or outside the first storage chamber (101). The exhaust pipe (13) and / or cable ( 14) The wall of the second storage room (102) can be used to protrude, avoiding the need for pipelines to pass through the back wall of the first storage room (101), which not only reduces the difficulty of assembly, but also eliminates the problem of pipeline installation caused by the vacuum storage unit. Height restrictions in the first storage compartment (101).

The invention provides a system for extracting vibration characteristic parameters based on distributed laser radars. The system is a single-transmitter multi-receiver type multi-station distributed detection system, and comprises a main transmitting laser radar and a plurality of receiving laser radars. The receiving laser radars are coplanar with the main transmitting laser radar, and the main transmitting laser radar is located in the center of the plane.

A scan driving device with N numbers of displacement working-storage is prepared as coupling the first input end of inverse-OR gate to input not and it's the second input end to output node, using switch-element to receive output signal of inverse-OR gate to decide whether to connect trough circuit between two said ends or not, coupling input end of the first reversed phase logic gate to the second end and its output end to output node, using the first input node to receive initial signal and odd first end to receive scan signal as well as even first end to receive reversed phase signal of scan signal.