18results about How to "Save physical space" patented technology

The invention relates to the field of gas pipe network leakage early warning, in particular to a gas pipe network leakage early warning method based on edge calculation, which is applied to an equipment terminal, and comprises the following steps: responding to a leakage monitoring request, and receiving pipe network current data acquired by an acquisition end, the pipe network current data comprising pressure current data and leakage current data; calling a preset screening model to process the pipe network current data to obtain abnormal deviation values, and obtaining effective pipe network data based on the abnormal deviation values and the corresponding data fluctuation thresholds; receiving pipe network annotation data, obtaining hidden layer output values of the pipe network annotation data according to the initial evaluation model, and determining a state output weight based on each hidden layer output value to obtain a pipe network state evaluation model; and inputting the effective pipe network data into the pipe network state evaluation model for evaluation, generating a state evaluation result, processing an abnormal state evaluation result based on a preset early warning strategy, generating leakage evaluation data, and sending the leakage evaluation data to a data center.

The utility model provides a low-torque pan-tilt camera device which comprises a support, a spherical groove corresponding to a spherical assembly is arranged on the support, the spherical assembly is located on the inner side of the spherical groove, a plurality of tooth grooves are formed in the outer side wall of the spherical assembly, and a plurality of clamping grooves are formed between the tooth grooves and the outer side wall of the spherical assembly. An arc-shaped rack for driving the spherical assembly to rotate is formed; a gear is fixedly arranged at the power output end of the motor, and the gear is meshed with the arc-shaped rack; the camera lens is located on the inner side of the spherical assembly. The utility model has the beneficial effects that the transmission ratio is small, that is, the output rotating speed is high, the torque is small, the shaking of the pan-tilt camera lens in the rotating process is avoided, and the transmission mechanism is suitable for high-speed and small-torque transmission application scenes.

The invention provides a circuit breaker device and a circuit breaker control method, and relates to the technical field of circuits. The circuit breaker device comprises a plurality of circuit breakers, at least one control board, a power board and a communication board, the plurality of circuit breakers are connected with a preset AC power supply; each control board is connected with at least two circuit breakers, and at least one control board is connected with the communication board; the at least one control board and the communication board are connected with the power board. Therefore, efficient control is achieved, resources, cost and physical space are saved, and replacement and maintenance are convenient.

The present invention discloses a roll forming device for easily adjustable high-precision rectangular transposed conductors, including a housing component, a roll forming component and a control component. The housing component includes a housing bottom plate, a housing side plate and a housing panel. The housing panel and the housing side plate are both provided with cross-shaped openings. The housing bottom plate is provided with four rows of first threaded holes. The upper, lower, right and left end surfaces of the housing side plates are all provided with first through holes. A "cross"-shaped housing and module component are adopted, and the volume of the device is reduced by more than 30%, and the weight reduction effect is significant. The size control component is arranged in the missing corner area of ​​the "cross"-shaped housing, which conforms to the principle of ergonomics, is easy to operate and maintain, and saves physical space. The adaptability of the industrial production line is strong. The size control component adopts a hand wheel adjustment method, and does not need to use professional tools for size adjustment. The operation is smoother, the production change efficiency is higher, and it is more suitable for the customized production mode of transposed conductors.

The utility model relates to the technical field of servers, in particular to a server communication device, which comprises a PCIe (Peripheral Component Interconnect Express) standard card connected with a mainboard through an adapter card; the PCIe standard card is connected with the USB connector through the USB converter; the USB converter is also connected with the NB-IoT module; the PCIe standard card comprises a field replaceable unit and a temperature sensor, and the field replaceable unit and the temperature sensor are connected with the BMC on the mainboard through a low-rate communication bus; and the PCIe standard card is connected with the I2C expansion board card. According to the utility model, the cable space is saved for the server cabinet, the communication mode is increased, and the remote supervision convenience of the server is improved.

The utility model provides a pathological slicing machine cleaning cover which comprises a first cover body, the first cover body is a hemisphere, a second cover body is arranged outside the first cover body in a covering mode, the first cover body and the second cover body are the same in shape, a first air hole is formed in the top of the first cover body, and a plurality of second air holes are symmetrically formed in the side portion of the first cover body. A dust suction assembly is arranged in a containing space formed between the first cover body and the second cover body and comprises a vacuum pump, a plurality of air pipes and a chip collecting box, and the air pipes are used for communicating the first air hole with the chip collecting box, communicating the second air hole with the chip collecting box and communicating the chip collecting box with the vacuum pump correspondingly. And a first filter screen and a second filter screen are arranged in the chip collecting box. By means of vacuum dust collection, dust is collected into the dust collection box from the top and the side portion in cooperation with an air pipe path set by the machine body and adheres to the inner wall of the first filter screen and the inner wall of the second filter screen, the effect of adsorbing wax dust is better achieved, and therefore the effect of cleaning pathological sections is achieved.

The application provides a vehicle inverter, which comprises a printed circuit board, a DC busbar unit and an AC busbar unit. The printed circuit board comprises power devices and a gate drive circuit for driving the power devices to be turned on or turned off. The DC busbar unit comprises a first DC busbar welded on a first side of the printed circuit board. The first DC busbar comprises a plurality of DC busbar combinations, each of which comprises a DC positive busbar and a DC negative busbar. At least part of the area between the DC positive busbar and the DC negative busbar is arranged in an interlaced manner. The AC busbar unit is welded on a second side of the printed circuit board. The AC busbar unit is connected to output terminals of the power devices and a load, respectively, so as to drive the load based on the turning on or turning off of the power devices. The power characteristics of the power semiconductor in the inverter can be effectively improved.

The invention provides an indoor ultra-wideband transparent directional antenna, which comprises a transparent outer cover, a transparent bottom plate, a base, a first rhombus array and a second rhombus array, and is characterized in that each of the first rhombus array and the second rhombus array comprises four transparent oscillators, and the four transparent oscillators are arranged in a rhombus shape; the first rhombus array is connected with the first feed network, and the second rhombus array is connected with the second feed network. The diamond array can maximize the diagonal distance between the units, which is crucial for suppressing the grating lobes of the antenna, especially for suppressing the grating lobes at the high-frequency end. And the grating lobes can cause energy to radiate towards unwanted directions, so that the gain and efficiency of the antenna are reduced. The four transparent oscillator diamond arrays achieve good balance among performance, flexibility, complexity and cost.

The utility model discloses a centralized control steer-by-wire system, and relates to the technical field of steer-by-wire, the centralized control steer-by-wire system comprises a two-in-one controller, a road sensing motor and a steering motor, and the road sensing motor and the steering motor both adopt three-phase AC switched reluctance motors; the two-in-one controller comprises a micro-control unit, and the micro-control unit is electrically connected with the road sensing motor through a road sensing circuit and controls the road sensing motor to operate; the micro-control unit is further electrically connected with the steering motor through a steering circuit and controls the steering motor to operate. The two-in-one controller further comprises a road sensing position sensor signal circuit and a steering position sensor signal circuit. The road sensing position sensor signal circuit and the steering position sensor signal circuit are both connected to the road sensing motor and the micro-control unit. The two-in-one controller is used for controlling the steering motor and the road feeling motor at the same time, and the road feeling motor and the steering motor both adopt the three-phase alternating-current switched reluctance motors, so that the vehicle space occupied by the motors is reduced, the installation difficulty is reduced, and the cost is reduced.

This application discloses a power supply control method, device, medium, and vehicle for a hybrid supercapacitor system. Upon receiving a vehicle start command, the method acquires the real-time temperature and real-time state of charge of the hybrid supercapacitor component. If the real-time temperature is determined to be below a self-heating trigger temperature threshold, the method controls the component to output a starting current to the vehicle start component. This starting current flows through an internal resistor, generating Joule heat and thus raising the component temperature. After the start-up process is completed, the method dynamically adjusts the output current and output voltage parameters of the power conversion component based on the real-time temperature and state of charge to control the component's real-time temperature within a preset operating temperature range. This application utilizes the start-up process to achieve synchronous self-heating, eliminating the need for additional heating hardware and preheating waiting time. Furthermore, dynamic reheating after start-up effectively maintains a suitable operating temperature, improves vehicle start-up delay, and significantly enhances the reliability of the system's low-temperature power supply.

The present application relates to a kind of high-efficiency impact jet heat exchange method for energy saving and emission reduction using back pressure effect, which is based on jet speed measuring experimental device, the jet speed measuring experimental device includes support, fan, PIV system and glass plate, comprising the following steps: S1, the establishment of physical model, the division of grid, the setting of boundary condition and the setting of working condition parameter, using computational fluid dynamics (CFD) solver to study the back pressure distribution in the flow field when the Reynolds number (Re) range is 3462-6125 and the normalized spacing H / D is 0.25, and the simulation data curve is obtained;The present application can save the physical space of cooling process when in use, greatly reduce the energy consumption cost and exhaust emission of electricity, and further greatly improve the heat exchange efficiency, therefore, the reasonable use of back pressure effect saves the production cost of enterprise, also improves productivity while achieving the effect of energy saving and emission reduction, avoids the problems of low heat exchange efficiency and low energy utilization rate of existing cooling process.

The utility model discloses a vehicle-mounted switch control circuit and a movable vehicle-mounted switch, and relates to the technical field of positioning. A target control area of the vehicle-mounted switch is determined according to the distance between the movable vehicle-mounted switch and the anchor point positioning modules in a wireless connection mode between the positioning assembly and the anchor point positioning modules, so that the movable vehicle-mounted switch can control a vehicle control device in a wireless communication mode. The movable vehicle-mounted switch can be moved by a front-row user or a rear-row user, control over the control assembly of the vehicle is achieved, control and adjustment of the control assembly by the user are facilitated, and the experience feeling of the user is improved. Besides, the vehicle-mounted switch can be moved, control assemblies of multiple control areas can be achieved, corresponding physical knobs do not need to be arranged for each seat and other control assemblies (such as air conditioner temperature, display screens corresponding to the seats and the like) of seat accessories, and the physical space in the vehicle is saved.

The utility model relates to a power supply system for new energy engineering machinery and agricultural machinery accessories, and belongs to the technical field of new energy power supply devices. Comprising a vehicle end direct current charging interface and an accessory end electricity taking plug. The vehicle end direct current charging interface is an original national standard direct current charging interface of new energy engineering machinery / agricultural machinery, the accessory end electricity taking plug is electrically connected with a vehicle high-voltage battery pack through the vehicle end direct current charging interface, and the accessory end is connected to the vehicle end direct current charging interface for electricity taking through a cable with the accessory end electricity taking plug. When the accessory works, electricity taking and vehicle charging share the same electrical interface. Through interface multiplexing and intelligent design, a technical closed loop is formed in the aspects of reducing cost, improving adaptability, enhancing safety, optimizing energy management and the like, and a high-reliability and high-compatibility solution is provided for accessory power supply of new energy engineering machinery / agricultural machinery.

The utility model discloses a garbage can capable of automatically compressing garbage, which comprises a can body which is of a rectangular structure with an upper opening; the two turnover plates are symmetrically arranged in the barrel body, and the turnover plates are rotationally connected with the barrel body; the lifting bottom plate is horizontally arranged in the barrel body, and the lifting bottom plate is arranged below the overturning plate; the two turnover driving devices are respectively connected with the barrel body, and the two turnover driving devices respectively drive the two turnover plates to be opened and closed; the lifting driving device is connected with the barrel body, and the lifting driving device drives the lifting bottom plate to ascend and descend; when the two overturning driving devices drive the two overturning plates to be in a closed state, the lifting driving device drives the lifting bottom plate to ascend, and garbage in the can body is compressed; according to the garbage can, recoverable garbage is compressed in the can body, so that the garbage volume is reduced to the maximum extent, the structure is optimized, and the cost is saved.

This utility model belongs to the field of optical fiber communication technology, and particularly relates to an open optical fiber distribution frame. An open optical fiber distribution frame includes a frame body and an adapter panel assembly; the frame body has an open structure for supporting the adapter panel assembly in an open manner; at least one adapter panel assembly is provided and detachably mounted on the frame body; the adapter panel assembly includes an adapter panel and a plurality of adapters mounted on the adapter panel.

The invention discloses a marble-imitated slab texture printing machine and a printing method, and belongs to the technical field of printing machines, the marble-imitated slab texture printing machine comprises a conveying frame and a containing groove, a printing and drying integrated box is arranged at the upper end of the conveying frame, and a conveying belt is arranged in the conveying frame in a transmission mode; a printing mechanism, an exhaust mechanism and a drying mechanism are arranged in the printing and drying integrated box, a limiting assembly is arranged at the upper end of the conveying belt, the exhaust mechanism comprises an air inducing cover, the air inducing cover is located at the upper end of the printing and drying integrated box, an exhaust pipe is fixedly arranged at the upper end of the air inducing cover, and an induced draft fan is installed in the exhaust pipe. And a purification bin is arranged above the induced draft fan. And printing and drying are synchronously carried out, so that the time interval caused by separate operation in the traditional process is avoided, and the idle time between production links is reduced. And through seamless connection of printing and drying, the working efficiency of a production line can be greatly improved, the production process of the marble-imitated plate is accelerated, and the overall production capacity is improved.

The invention discloses a PCIe interface and direct connection interface multiplexing communication method and system based on a CXL protocol. The method comprises the steps that the value of a working mode selection register is read; in response to a PCIe interface mode indicated by the value of the working mode selection register, entering the PCIe interface mode after exiting the reset state, and performing communication through an external PCIe device; and in response to the value indication of the working mode selection register as a CXL direct connection interface mode, respectively configuring the coupling mode of the system, a reference clock, receiving end detection and low delay characteristics of a controller based on a physical layer PHY, and carrying out Die-to-Die communication through a user-defined direct connection packet. The PCIe interface and the CXL direct connection interface are combined into one, so that the hardware resource utilization rate of the system is greatly improved, and the system can be freely switched between the two modes according to actual requirements.

The invention relates to the technical field of wireless control, and discloses a pressure regulating station remote pressure control device which comprises a first shell, two sets of symmetrically-distributed clamping blocks are fixed to the side wall of the first shell, a base is arranged at the bottom end of the first shell, and a groove matched with the first shell in size is formed in the bottom end of the base. And two symmetrically distributed clamping grooves are formed in the inner wall of the groove. According to the suction cup, the two hanging rings are pulled in the opposite directions, at the moment, the two pistons slide on the inner wall of the pipeline, the inner wall of the pipeline is in a wedge shape, therefore, in the sliding process, the pistons are gradually stressed, in the sliding process of the pistons, adsorption force is generated through the hoses, and therefore the suction cup is more tightly adsorbed to objects such as a wall; in this way, the base can be conveniently adsorbed and fixed, so that the base can be repeatedly used, and compared with a traditional adhesive surface adhesion mode, the mode is convenient to disassemble and assemble, and the service life is long.