49results about How to "Save free space" patented technology

The invention relates to a device for crankcase ventilation of an internal combustion engine, comprising a ventilation duct extending from the crankcase to an induction tract of the internal combustion engine, whereby at least one oil vapor separator causing a drop in pressure is arranged in said duct and a crankcase vacuum control valve is arranged upstream or downstream therefrom and can be adjusted according to the pressure in the crankcase such that a lower pressure threshold valve in the crankcase is respected. The novel device is characterized in that a discharge duct extending from the crankcase to the induction tract of the internal combustion engine is also provided, whereby a crankcase overpressure limiting valve is disposed inside said duct and can be adjusted in a pressure-dependent manner to ensure that an upper pressure threshold in the crankcase is not exceeded.

A variable-length decoding device includes a data determination unit which determines whether or not each of component values decoded by a variable-length decoding unit is a specific value; a data buffer that holds only a component value which is not the specific value; a last valid data determination unit which determines component values other than the last one of the component values not the specific value in a block; a flag buffer which holds flags each having a corresponding component value among the component values from the component value at the beginning of the block to the last component value and indicating whether or not the corresponding component value is the specific value; a flag buffer control unit which sets the flags; a data buffer control unit which controls writing in the data buffer; and a selecting unit which selects either zero or a coefficient read from the data buffer.

The invention relates to the technical field of carbon nano tube purification, in particular to a device and a method for directly electrifying and purifying a carbon nano tube. The device comprises amain reactor, the main reactor comprises a material preheating section, a low-temperature heating reaction section, a high-temperature heating reaction section and a material cooling section which are sequentially arranged from top to bottom, the upper end of the main reactor is connected with a feeding valve, the feeding valve is connected with a feeding weighing device, the feeding weighing device is connected with a constant-pressure tank, and the constant-pressure tank is connected with a carbon nano tube storage tank; the invention discloses a device and a process method for directly electrifying and heating a carbon nano tube material in a reactor and then continuously purifying carbon nano tubes by adopting chlorine or hydrogen chloride gas. According to the continuous industrial purification device, graphite is adopted as an inner container of a reactor, a pouring material frame is combined, carbon nano tubes in the reactor are directly powered on, and acid gas and granular carbon nano tubes are used for reaction purification.

Exhaust system for a diesel vehicle comprises a storage pre-filter (24) mounted near to the engine (10) and upstream of a particulates filter (36) to retain an essentially constant proportion of larger particles. The high temperature of the pre-filter allows on-going partial regeneration by NO2 oxidation of deposited carbon; an oxidation catalyst may be incorporated to increase the temperature.

The invention belongs to the technical field of motors and discloses a motor assembly system with a built-in speed reducer. A motor comprises a motor body and a speed reducer; the speed reducer is built in a cavity of the motor; a motor rotor spline sleeve is connected with an input shaft of the speed reducer; and an output shaft of the speed reducer is connected with a working machine. The motorassembly system with the built-in speed reducer has the advantages that the torque density is high, the power density is high, the power transmission capacity is high, the structure is compact, the floor space is small, and the motor assembly system with the built-in speed reducer is suitable for electric driven vehicles and other power equipment with large reduction ratio. The motor assembly system with the built-in speed reducer has the advantages that the transmission efficiency is high, the structure is compact, the power density is high, the torque density is high, and the motor assemblysystem with the built-in speed reducer is suitable for various electric driving devices.

The present invention discloses a stacked chip encapsulation structure, a chip encapsulation structure and the making process therein, which includes a first encapsulation structure unit and a second encapsulation structure unit. Wherein, the first encapsulation structure unit has a loader, a chip, a first sealant, a wire distribution element, a conductive element; and a second sealant covers the loader surface, the chip, the first sealant, the wire distribution element and the conductive element and are exposed out of the top of the conductive element; moreover, the second encapsulation structure unit realizes electric connection with the wire distribution element through the conductive element. By using a wire distribution element connecting two encapsulation structure units, the present inventionsaves the useable space of the loader and improves the integration degree; moreover, as the sealant covers the whole loading surface, the figure is not influenced by the size and configuration of the chip, therefore, the sealant mould of the making process of the invention can have various chip sizes and configurations.

The invention discloses electronic equipment, and aims at solving the technical problem that the heat radiation performance of electronic equipment is low. The electronic equipment comprises a first heat source, a second heat source, a first heat radiation assembly and a second heat radiation assembly, wherein heat generated by the first heat source is greater than that generated by the second heat source, a first area of the first heat radiation assembly makes contact with the first heat source to transfer heat of the first heat source to the first heat radiation assembly, heat of the second heat source is transferred to the second heat radiation assembly, and the thermal conductivity of the first heat radiation assembly is higher than that of the second heat radiation assembly.

The invention provides an RJ45 joint device with a key structure to change pin definition. A conversion processor, a key, an information processor and an output pin are arranged on the RJ45 joint device. When the key is pressed to trigger a conversion signal, the conversion processor first converts one part of input information into relay information, and the information processor can convert the input information and the relay information into output information through specified processing according to the conversion signal and then output the output information by the output pin. By adopting the above technical scheme, the RJ45 joint device can solve the problem that various joint devices can easily occupy available space of an electronic device, thereby achieving the technical effects of saving the available space of the electronic device and leading the single joint device to have the function of switching the pin definition.

The invention discloses a deformation detection method and device of a PCB. The characteristic that PDN inductance change causes ripple change of a power supply when the PCB is deformed is used, s loop oscillator is designed in a chip to detect the frequency offset, and PCB deformation is determined according to the frequency offset. Deformation detection can be carried out needless of a mechanical trigger or sensor, the design cost of PCB detection is reduced, and available space in the PCB is saved.

The invention discloses an electrochemical water treatment device with an electrode spacing regulation and control function. The device comprises a pool body with opening on the upper and lower surfaces, wherein the pool body is made of an insulating material, a water inlet pipe is arranged on one side of the pool body, a water outlet pipe is arranged on the other side of the pool body, a fixed electrode is arranged in the pool body, a first electrode of an annular structure is arranged in the pool body, a first telescopic rod made of an insulating material is arranged above the pool body, thefirst telescopic rod penetrates through the first electrode, and a plurality of second telescopic rods connected with the first telescopic rod are arranged on the periphery of the first telescopic rod. According to the invention, different numbers of electrodes can be selected for participation according to different water treatment capacities while the water inlet rate is adaptively adjusted, and the rate difference between the water inlet pipe and the water outlet pipe is offset through the rotating conical rod, so that the water storage capacity in the pool body is improved, and the adsorption capacity of calcium, magnesium and sodium ions in unit time is improved; and when a small amount of water needs to be treated, the electrode area participating in water treatment can be reduced,so that the participation amount of the first electrode and the second electrode is reduced, and the service life is prolonged.

The invention discloses a combined and parallelly-mounted cabinet, which comprises parallelly-mounted cabinet frames, cross beams, first corner connecting pieces and second corner connecting pieces, wherein each parallelly-mounted cabinet frame comprises two upright frame rods, two side cross beams and four third corner connecting pieces; the side cross beams and the upright frame rods are fixedly connected via the third corner connecting pieces; the four cross beams are connected between the adjacent parallelly-mounted cabinet frames to form a cube; one end of the cross beams is fixedly connected with the third corner connecting piece at the vertex angle of one combined cabinet frame via the first corner connecting piece; and the other ends of the cross beams are fixedly connected with the third corner connecting pieces at the vertex angles of one combined cabinet frame via the second corner connecting pieces. The invention can effectively save the manufacturing cost of the cabinet and maximally use the cabinet space, so that the price of the combined and parallelly-mounted cabinet is cheaper on one hand, the heat of equipment arranged in the cabinet can be timely dissipated on the other hand, and the equipment is prevented from being damaged resulted from accumulated heat.

The invention provides a train positioning method, device and system and a computer readable medium. The train positioning method comprises the steps: acquiring first equipment identification information received by at least one first receiving antenna; acquiring positioning information of the train; after it is determined that the first device identification information is credible, storing the first device identification information and the positioning information in a nonvolatile memory; after the train is awakened from the sleep mode, receiving second equipment identification information by utilizing at least one receiving antenna; according to the received second equipment identification information and the first equipment identification information read from the nonvolatile memory, judging whether the train is located at the position before the train enters the sleep mode after being awakened; if it is determined that the awakened train is located at the position before the trainenters the sleep mode, determining that the current position and direction of the train are matched with the positioning information stored in the nonvolatile memory, and completing the positioning of the train. According to the scheme, the use experience of train users can be ensured.

The invention provides an unmanned aerial vehicle railway fastener image shadow removal method and system based on a NonshadowGAN. According to the invention, based on the railway fastener image obtained by the unmanned aerial vehicle, the fastener image is firstly preprocessed to realize data augmentation, and then shadow removal of the fastener part is realized by using the NonshadowGAN network. According to the method, when an unmanned aerial vehicle railway fastener image is input into a shadow removal network, a loss function is divided into three parts, adversarial loss is applied to shadow feature learning through a generative adversarial network, shadow and non-shadow feature learning and recognition tasks are completed, available space of a mapping function is reduced through cyclic consistency loss, and the shadow removal efficiency is improved. And further constraining a network structure through identity verification loss, identifying a shadow generation result, and adjusting a parameter model. Therefore, the method can achieve the model training based on the non-paired shadow fastener data, and accurately achieves the removal of the shadow part in the unmanned aerial vehicle fastener data.

The invention relates to a light-emitting keyboard, which comprises a plurality of keys, a thin film switch circuit, a support plate and a backlight module. The thin film switch circuit is arranged below the plurality of keys, and comprises an upper circuit board, a lower circuit board and a separating layer. The support plate is arranged below the thin film switch circuit and is connected to theplurality of keys. The backlight module is arranged below the support plate to generate light beams. The peripheral area of at least one of the upper circuit board, the lower circuit board and the separating layer is bent to cover the support plate and the backlight module to prevent the beams from overflowing from the peripheral area of the backlight module.

The invention discloses a plate-rod type satellite main structure which comprises a butt joint ring, a main force bearing partition plate, a first rod system, a second rod system and a rectangular boxbody. A main bearing connecting flange is arranged on the upper end surface of the butt joint ring; a back floor of the rectangular box body is fixed on the butt joint ring; the main force bearing partition plate is installed in the rectangular box body and divides an inner cavity of the rectangular box body into two identical cavities, and two force bearing beams with V-shaped structures are embedded in a panel of the main force bearing partition plate. The two ends of the V-shaped structure penetrate through the back floor and then are correspondingly connected with the main force bearing connecting flanges on the butt joint ring. The same first rod system and the same second rod system are respectively arranged in the two same cavities, respectively penetrate through the back floor andthen are connected with the main bearing connecting flanges on the butt joint rings in a one-to-one correspondence manner; the bearing capacity of the structure can meet the requirements of medium-sized satellites, the structural openness is good, general assembly operation is facilitated, equipment is convenient to arrange, the cabin capacity is large, the structural dry weight is small, and structural efficient bearing is achieved.

The invention provides a rotating key ratchet clutching mechanism for a coaxial transmission; and taking a planetary reducer as an example, a motion mechanism connects a driving shaft with a sun gearin the planetary reducer through a rotating key clutching mechanism. An external control mechanism controls a work rotating key of the rotating key clutching mechanism, and drives a matching key to rotate to control the transmission connection and disconnection of the driving shaft and a shaft sleeve. One end is fixedly connected with a pallet. A planetary carrier is connected with an output shaftof a speed reducer through a common flat key; and one end of the output shaft is fixedly connected with an inner-engaged ratchet. When the external control mechanism rotates the work rotating key anddrives the matching key to rotate by a certain angle, the driving shaft is released from the shaft sleeve; and meanwhile, the matching key is rotated to drive the pallet to rotate to engage with theinner-engaged ratchet to realize direct connecting transmission of the driving shaft and the output shaft. When the external control mechanism rotates the work rotating key to another angle and drivesthe matching key to rotate, the driving shaft and the sun gear are in connecting transmission; and meanwhile, the matching key is rotated to drive the pallet to rotate to deviate from the ratchet, sothat the driving shaft and the output shaft are disconnected to realize another transmission ratio.

The invention discloses a parking brake device for an electric drive axle of an electric vehicle. The parking brake device comprises a motor, a parking brake assembly, a reduction gearbox assembly, a differential mechanism and the drive axle. The parking brake assembly is connected with an output shaft of the motor assembly, the reduction gearbox assembly is connected with a gear at the output shaft end of the motor, the differential mechanism is connected with the reduction gearbox assembly, and the drive axle is connected with the differential mechanism. The parking brake assembly comprises brake calipers, a brake disc and a parking brake triggering mechanism. The brake disc is arranged on an output shaft of the motor, and the brake caliper is arranged on the brake disc in a sleeving mode. The parking brake triggering mechanism is connected with the brake calipers; according to the device, the disc brake with the small size is additionally arranged in the electric drive axle transmission chain, the transmission ratio of a transmission system is utilized, the braking performance is effectively improved, and meanwhile due to the fact that the brake is integrated into the reduction gearbox and the motor shell, the parking brake is effectively protected, and the parking brake is more reliable; and meanwhile, the overall available space is saved.

The invention discloses a photoetching mask for photoetching alignment of small-size patterns, and a chip photoetching method. The photoetching mask for photoetching alignment of the small-size patterns comprises a body, at least one alignment mark, a plurality of visible informal patterns and a plurality of invisible formal patterns, the alignment mark, the plurality of visible informal patterns and the plurality of invisible formal patterns are arranged on the body, the alignment mark is larger than the visible informal patterns, and the visible informal patterns are larger than the invisible formal patterns; the alignment mark corresponds to a mark on the chip, and the visual informal graph corresponds to a graph on the chip; and a corresponding rule exists between the arrangement of the plurality of visible informal graphs and the arrangement of the plurality of invisible formal graphs. The preparation of small-size patterns which cannot be recognized and aligned by human eyes in a manual contact type photoetching process can be completed; and under the condition of one plate and multiple chips, not only is the alignment of graphs with smaller sizes realized, but also the available space of the formal chip is saved through an external alignment mode.