45results about How to "Highly integrated design" patented technology

The invention provides an electric cooker, a cooker cover and a covering plate fixing mechanism of the electric cooker. The covering plate fixing mechanism comprises a left locking block, a locking block spring, a lever, a connecting rod and a right locking block, wherein the left locking block and the right locking block are arranged oppositely; one end of the lever is hinged with one end of the connecting rod; a first side face of the other end of the lever props against the left locking block; the other end of the connecting rod is hinged with the right locking block; the linkage connection in opposite movement directions between the left locking block and the right locking block is realized through the connecting rod and the lever; and the locking block spring is arranged in the movement direction of the left locking block and props against a second side face of the other end of the lever. According to the covering plate fixing mechanism, because of the double hinging of the lever and the connecting rod, the synchronous linkage of the left locking block and the right locking block in opposite directions is realized. The detachable fixation of a covering plate is realized through the covering plate fixing mechanism of the electric cooker and the cooker cover.

The invention relates to an FPGA-based radar signal processing teaching platform and a working method thereof. The platform comprises a display control computer, a radar echo simulation module, a radar signal processing module and an oscilloscope. The working method comprises the steps that radar signal configuration information is set through the display control computer and sent to the radar echo simulation module; the radar echo simulation module generates a corresponding radar echo intermediate frequency signal according to the configuration information; the radar signal processing modulereceives a radar echo intermediate frequency signal; radar detection target signals are extracted through processing and sent to the display control computer to be processed to obtain a simulation oscillogram; the oscilloscope displays waveforms of radar echo intermediate frequency signals and waveforms of the radar detection target signals, and the simulation oscillogram obtained by the display control computer is compared with the oscillogram displayed by the oscilloscope. Parameter configuration is flexible and simple, the radar signal processing process is visual, radar signal processing methods are diversified, and the requirements of different teaching users can be met.

The invention relates to the technical field of electric vehicle warning tone systems, in particular to an electric vehicle low speed warning tone system based on a vehicle-mounted acoustic navigationsystem. The electric vehicle low speed warning tone system comprises a CAN circuit, an MCU circuit and a DSP circuit; the CAN circuit is used for real-time acquisition of an electric vehicle traveling speed, the MCU circuit is used for determining that when the driving speed is lower than preset speed, a control signal is output, and the DSP circuit performs audio decoding processing on pre-stored warning tone data according to the control signal, and outputs a warning audio signal. According to the electric vehicle low speed warning tone system based on the vehicle-mounted acoustic navigation system, the electric vehicle low speed warning tone system is integrated into a conventional vehicle-mounted acoustic navigation system, compared with an existing independently arranged low speed warning tone system, the integration level is higher, cost is lower, complexity in system design is reduced, and more energy conservation is achieved.

The invention discloses a three-dimensional daisy chain topology by aiming at multi-load DDRX (Double Data Rate) interconnection. By use of the topology, the nonideal effect of an interconnection linkcan be lowered, and signal transmission quality is improved. On the basis of the three-dimensional space structure of the DDRX, two classes of routing layers, including a routing layer A and a routing layer B, are alternately arranged in the DDRX, wherein the routing layer A and the routing layer B are independently next to a surface layer and a bottom layer; and a signal flows through each loadthrough the routing layer A and the routing layer B in sequence, and the effective combination of a through hole and a transmission line in the three-dimensional DDRX space are utilized for reducingthe length of each load branch line so as to effectively reduce reflection among multiple load branch lines, reduce the influence of an nonideal effect and improve signal transmission quality. In addition, processing is carried out through a through hole backdrill and keep out to further reduce the own nonideal effect of the through hole.

The invention discloses an excavation vertical frame lifting and placing vehicle. The excavation vertical frame lifting and placing vehicle comprises a vehicle main body, guide rails, vertical frame bearing trolleys and lifting devices; a stretchable platform is installed at the upper end of the vehicle main body in a stretchable mode, and a jacking mechanism is connected to the stretchable platform; and the lifting devices are used for lifting a vertical frame and sending the lifting frame to the vertical frame bearing trolleys; the vertical frame bearing trolleys are installed on the guide rails and can transversely move so as to convey the vertical frame along the guide rails, the vertical frame bearing trolleys are connected with translation driving mechanisms, and the translation driving mechanisms can drive the vertical frame placed on the vertical frame bearing trolleys to transversely move and can convey the vertical frame to the position above the jacking mechanism in the retraction state. The excavation vertical frame lifting and placing vehicle has the advantages that the integration degree is high, the installation automation degree is high, the erection efficiency of the vertical frame is high, the manual operation is reduced, and the potential safety hazard of construction is reduced.

The invention provides an AC charging pile controller based on a K64 single-chip microcomputer and an MQX operating system. The controller comprises a main control board, a signal interface board, a power source board, a mother board and a cabinet, wherein the main control board is further provided with a USB interface, a CAN interface, an RS485 interface, an Ethernet interface, multiple wirelesscommunication board interfaces and a man-machine interaction board interface. The controller is advantaged in that in the device type selection aspect, industrial stable reliable commonly-used large-factory chips are selected, in the principle and PCB design aspect, multi-orientation optimization is carried out for EMC and reliability problems, the aspects of the controller are greatly improved, and functions and reliability are greatly improved.

The invention discloses a high pressure water pump. The high pressure water pump comprises a pump body, and a left end cover is fixedly installed at the left end of the pump body and a right end coveris fixedly installed at the right end of the pump body. A piston body is slidably connected into the pump body. A left pump case is fixedly installed on the left side of the left end cover, and a left sealing cover is fixedly installed at the left end of the left pump case. A right pump case is fixedly installed on the right side of the right end cover, and a right sealing cover is fixedly installed at the right end of the right pump case. A left connecting rod is fixedly installed at the left end of the piston body, and a right connecting rod is fixedly installed at the right end of the piston body. A left piston is arranged at the left end of the left connecting rod, and a right piston is arranged at the right end of the right connecting rod. A P oil port and a T oil port are formed inthe outer side surface of the pump body. The piston body is internally provided with a control component for controlling the piston body to move left and right in a mounting hole. The high pressure water pump is simple in structure and small in size, and can control the automatic back and forth movement of the piston body without electric control.

The invention belongs to the field of multi-frequency-band antennas, particularly relates to a miniaturized wide-beam multi-frequency fusion receiving and transmitting integrated Beidou antenna based on bent oscillators, and aims to solve the problems that an existing multi-frequency-band Beidou antenna is complex in structure, low in low-elevation gain, poor in circular polarization axial ratio and low in positioning precision. According to the antenna, a Beidou antenna feed circuit sends out corresponding radio frequency signals through a B1/B2/B3 radio frequency port, an L radio frequency port and an S radio frequency port; the S radio frequency port is arranged at the center of the Beidou antenna feed circuit, and the B1/B2/B3 radio frequency port and the L radio frequency port are symmetrically arranged at two side edges of the Beidou antenna feed module by taking the S radio frequency port as a center; and an antenna array comprises a first bent array, a second bent array, a third bent array and a fourth bent array, and the bent arrays are selectively and symmetrically distributed around the S radio frequency port as the center at a set distance and a set angle and are used for receiving/transmitting corresponding radio frequency signals. The miniaturized wide-beam multi-frequency integrated receiving and transmitting Beidou antenna is realized through sharing of the bent array and left and right-hand circular polarization.

The invention relates to a harmonic suppression metasurface energy collector which is characterized by comprising a metasurface unit layer, a grounding layer and a radio frequency output layer which are sequentially arranged from top to bottom, wherein a plurality of metasurface units are periodically arranged on the metasurface unit layer; the metasurface units are the same in structure, and each metasurface unit comprises a dielectric substrate and a metal layer arranged on the dielectric substrate; umbrella-hook-shaped groove structures used for achieving incident wave absorption and L-shaped groove structures used for achieving harmonic suppression are etched on the metal layer; a vertical conductive through hole penetrating through the metasurface unit layer is formed in each umbrella-hook-shaped groove structure, and each metasurface unit is connected with a feed network arranged on the radio frequency output layer after passing through the grounding layer through each conductive through hole, and the collected radio frequency energy is transmitted to the feed network for radio frequency synthesis, so that all energy is converged to one place to be exported. The harmonic suppression metasurface energy collector can be widely applied to the field of rectification antenna design.

An integrated three-dimensional liquid cooling pipe network flow distribution device comprises a distribution assembly, at least one flow adjusting assembly, a liquid supply adapter and a liquid return adapter, the distribution assembly comprises a liquid supply collection cavity and a liquid return collection cavity, the liquid supply collection cavity comprises a plurality of liquid supply ports used for being connected with an integrated pipe network, and the liquid return collection cavity comprises a plurality of liquid return ports connected with the integrated net pipe; the liquid supply adapter is connected with the distribution assembly and is communicated with the liquid supply collecting cavity, and the liquid return adapter is connected with the distribution assembly and is communicated with the liquid return collecting cavity; and the flow adjusting assembly is connected to the distribution assembly. The flow distribution device has the beneficial effects that the flow distribution and liquid cooling pipe network integrated design can be realized, the requirement of a radar distribution pipe network on the array space is reduced, and the light, thin and high-integration design of the array is realized; and through the flow regulation assembly, flow regulation of the integrally formed liquid cooling pipe network can be realized.

The invention discloses a high-pressure water pump. A cylinder is included. At least three piston holes are sequentially formed in the right end of the cylinder with the axis of the cylinder as the center at equal intervals. A piston body is in sliding connection in each piston hole. A right end cover is fixedly arranged at the right end of the cylinder, water pumping assemblies are arranged in the right end cover, and each water pumping assembly is driven by the piston body corresponding to the water pumping assembly. A flow distribution shaft is arranged at the center position of the left end of the cylinder, a left end cover is fixedly arranged at the left end of the flow distribution shaft, and the flow distribution shaft is rotationally connected with a flow distribution disc. A firstflow distribution hole and a second flow distribution hole are formed in the right end face of the flow distribution disc. A cavity is formed in each piston hole, and an oil hole is formed in the left end face of the cylinder. The outer side of the cylinder is rotationally connected with a rotation barrel, and the left end of the rotation barrel is fixedly connected with the flow distribution disc. The integral design of the high-pressure water pump is highly integrated, space and components are saved, pressure output is free of pause, pulsation cannot be generated, and in addition, electriccontrol is not needed.

The invention discloses a high-pressure water pump which comprises a pump body. An left-right through installation hole is formed in the pump body, a left end cover is fixedly installed at the left end of the pump body, a right end cover is fixedly installed at the right end of the pump body, a left pump shell is fixedly installed on the left side of the left end cover, and a right pump shell is fixedly installed on the right side of the right end cover. The installation hole is provided with a piston body moving left and right, the left end of the piston body is provided with a left connecting rod which penetrates through the left end cover to stretch into the left pump shell, the right end of the piston body is provided with a right connecting rod which penetrates through the right end cover to stretch into the right pump shell, the left end of the left connecting rod is provided with a left piston, the right end of the right connecting rod is provided with a right piston, the left end of the left pump shell is provided with a left inlet one-way valve and a left outlet one-way valve, and the right end of the right pump shell is provided with a right inlet one-way valve and a right outlet one-way valve. The outer side face of the pump body is provided with a port P1, a port T1, a port P2 and a port T2. A control assembly is arranged in the installation hole. The high-pressurewater pump is simple in structure, small in size, simple in driving way and free of electric control.

The invention discloses a double-plunger supercharger. The double-plunger supercharger comprises a machine body, wherein a mounting hole is formed in the machine body; a port P and a port T which communicate with the mounting hole are formed in the side surface of the machine body; a left end cover is mounted on the left side of the machine body, and a right end cover is mounted on the right sideof the machine body; the left end cover comprises a left body; a left first convex column is arranged on the left body; a left second convex column is arranged at the right end of the left first convex column; the right end cover comprises a right body; a right first convex column is arranged on the right body; a right second convex column is arranged at the left end of the right first convex column; a cylinder sleeve is slidably connected in the mounting hole; a power piston is slidably connected in the cylinder sleeve; a left piston cavity is formed between the left end of the power piston and the left second convex column in the cylinder sleeve, and a right piston cavity is formed between the right end of the power piston and the right second convex column in the cylinder sleeve; a leftpump assembly is arranged in the left end cover; and a right pump assembly is arranged in the right end cover. The double-plunger supercharger is highly integrated in integral design, space and partsare saved, moreover, oil ways are reduced, control is simple, and in addition, electric control is not required.

The invention provides a phase shifter and a base station antenna. The phase shifter comprises a substrate, a fixed circuit and a phase shift circuit, wherein the fixed circuit and the phase shift circuit are arranged on the substrate; the fixed circuit comprises an input end and an output end which are separated from each other; the two ends of the phase shift circuit are coupled with the input end and the output end respectively; and the phase shift circuit can rotatably switch the coupling connection position between the phase shift circuit and the input end and the coupling connection position between the phase shift circuit and the output end relative to the substrate. According to the phase shifter provided by the invention, the coupling connection positions between the phase shifting circuit and the input end/the output end can be switched by driving the phase shifting circuit to rotate, so that the circuit length from the input end to the output end is adjusted, and phase adjustment from the input end to the output end is realized; the overall structure is simple and compact, other spaces around the phase shifter are not occupied in the phase shifting adjustment process, and miniaturization design is achieved; and the overall layout of a base station antenna can be simplified when the phase shifter is applied to the base station antenna, and the design integration degree of the antenna is improved so that antenna miniaturization can be achieved.

The invention discloses an air compressor. The air compressor comprises a machine body, wherein at least three axial holes are formed in the machine body, a left end cover is fixedly arranged on the left side of the machine body, and a right machine shell is fixedly arranged on the right side of the machine body; a piston body is slidably connected in each axial hole, and the right side of each piston body is provided with a piston rod in an extending mode; pumping assemblies corresponding to the axial holes in one-to-one correspondence are arranged in the left end cover; the right side of themachine body is provided with a first concave spherical groove, and the right machine shell is provided with a second concave spherical groove; oil holes are formed in the machine body; the side surface of the right machine shell is provided with a P port and a T port; a rotating block is rotationally connected in the right machine shell, a rotating groove is formed in the left end of the rotating block in the direction perpendicular to the inclined plane, and a flow distribution shaft is rotationally connected in the rotating groove; and the lateral surface of the outer circumference of theflow distribution shaft is provided with a convex edge in the radial direction, and the right end of each piston rod is hinged to the convex edge through a ball. The air compressor has the advantagesthat the structure is compact, the overall design is highly integrated, a motor is not needed, electric instability factors are avoided, the air compressor can work for a long time, and the service life is long.