14results about How to "Reduce size area" patented technology

The invention relates to the technical field of radio frequency microwaves, and provides a broadband hybrid ring coupler which comprises a substrate, and the substrate is provided with a first radio frequency component, a second radio frequency component, a fourth radio frequency component, a first inverting transformer and a third radio frequency component. The first radio frequency component, the second radio frequency component, the fourth radio frequency component, the first inverting transformer and the third radio frequency component are sequentially connected to form a ring; the first anti-phase transformer comprises a first inductor and a second inductor, one end of the first inductor is connected with one end of the fourth radio frequency component, one end of the second inductor is connected with one end of the third radio frequency component, and the other end of the first inductor is connected with the other end of the second inductor and then is grounded. Compared with a traditional hybrid ring coupler, the hybrid ring coupler has the advantages that the size of a circuit is reduced, the design difficulty is simplified, and the working bandwidth of the circuit is effectively widened.

The utility model discloses a high-rigidity half-moon groove tool rest unit of a combined lathe and the combined lathe, belongs to the technical field of numerical control combined lathes, and solves the problems that a traditional linear guide rail feeding structure is large in occupied space, poor in rigidity and unstable in machining quality. The tool rest unit comprises a tool rest body, and a guide groove is formed in the circumferential face of the tool rest body and axially penetrates through the tool rest body. A sliding groove plate matched with the guide groove is arranged in the guide groove. The sliding groove plate is shorter than the guide groove and used for bearing a cutter. And the section of the guide groove is half-moon-shaped. Limiting plates are installed on the portions, on the two sides of a groove opening of the guide groove, of the tool rest body respectively, and the limiting plates are pressed on the sliding groove plates so as to limit movement of the sliding groove plates in the radial direction. Due to the fact that the sliding groove and the sliding groove plate are arranged on the peripheral face of the tool rest body, occupied space is reduced, and rigidity and transmission efficiency of the whole structure are improved. The tool rest unit is matched with a narrow space scene of a multi-spindle lathe, and the machining requirements of high precision and high efficiency are met.

The utility model provides a positive and negative surface conductive structure applied to flexible film circuit, include: flexible base material layer, flexible base material layer is PET material quality, circuit layer, set up in the positive and negative two sides of flexible base material layer, conductive connection structure is used for realizing the electric connection of flexible base material layer positive and negative two sides circuit layer, and conductive connection structure includes the through -hole of setting up on flexible base material layer and fills in the through -hole and fills in the through -hole around circuit layer on the hole filling conductive layer. This scheme through setting up the through -hole of specific diameter and quantity on flexible base material layer, and adopt the design of multilayer hole filling conductive layer, realized the double -sided printing of circuit, effectively solved the problem that circuit layout single side cannot layout in prior art, reduced the size area of product, this conductive structure adopts the preparation of printing process, and the process is simple, and the cost is low, is fit for large -scale production.

The invention provides a linear voltage regulator applied to a three-dimensional memory. The linear voltage regulator comprises an LDO (Low Dropout Regulator) main circuit module and a bias module, the LDO main circuit module is used for generating an output voltage; the bias module is connected to the output of the LDO main circuit module and is used for generating bias voltage for the LDO main circuit module; wherein when the output voltage of the LDO main circuit module is increased or decreased, the LDO main circuit module can restore the output voltage to a static stable value. The transient response performance is improved, and the size area of the power tube is reduced.

The invention belongs to the technical field of hydrogen production through water electrolysis, and relates to a low-pressure-ratio energy optimization heat pump system and method for hydrogen production through water electrolysis. Comprising an oxyhydrogen gas-liquid separation unit, a heat pump compressor and an expansion machine, and the oxyhydrogen gas-liquid separation unit is connected with a hydrogen dryer through a hydrogen cooler; the oxyhydrogen gas-liquid separation unit is connected with the heat pump heat absorber through a circulating cooling water pipeline, the hydrogen cooler is connected with the refrigerating machine through a refrigerant pipeline, and the hydrogen dryer is connected with the steam generator through a hot water pipeline and a steam pipeline. The outlet of the heat pump compressor is sequentially connected with the steam generator and the inlet of the expansion machine through a hot heat pump working medium pipeline; the outlet of the expansion machine is sequentially connected with the refrigerator, the heat pump heat absorber and the inlet of the heat pump compressor through a cold heat pump working medium pipeline; and the hot and heat pump working medium pipeline and the cold and heat pump working medium pipeline are both connected with a heat regenerator. The pressure ratio of the heat pump compressor is reduced, the selection range of the heat pump working medium is enriched, and the energy utilization rate of the system is improved.

The invention discloses a coating device for producing and processing a lithium ion battery diaphragm, which comprises a concentric-square-shaped drying oven, a first coating assembly is arranged on one side of the concentric-square-shaped drying oven, a second coating assembly is arranged in the middle of the concentric-square-shaped drying oven, an unwinder is arranged on one side of the first coating assembly, and a winder is arranged on one side of the second coating assembly. A film is sequentially fed into the first coating assembly and the second coating assembly through the unwinding device so that the surfaces of the two sides can be continuously coated, a plurality of first guide rollers and a plurality of second guide rollers are arranged in the concentric-square-shaped drying oven, and the first guide rollers and the second guide rollers are spirally distributed. The first guide roller and the second guide roller are symmetrically distributed in a double-helix mode, bidirectional spiral winding and multi-layer winding of the film in the concentric-square-shaped drying oven are achieved through turning of the guide rollers, the air temperature in all positions in the concentric-square-shaped drying oven is evenly distributed through the heaters evenly distributed in a double-helix mode, and the consistency and uniformity of the drying effect are guaranteed. The drying quality is improved.

The present invention discloses a broadband switchable circularly polarized phased array antenna, and relates to the field of phased array antennas. It comprises N TR subarrays, each TR subarray comprises 2*2 circularly polarized antenna units, each circularly polarized antenna unit comprises a patch and a first feed point and a second feed point which are orthogonal and independent to each other and are located on the patch; the shape of the patch is a rectangle with two cut corners, and the two cut corners are located on the same diagonal of the rectangle; the first feed point and the second feed point cooperate with the patch cut corners to respectively realize left-hand circular polarization and right-hand circular polarization of independent feeding. The present invention can realize a co-aperture phased array antenna for receiving and transmitting at different frequencies, and the transmission and reception in the co-aperture antenna are orthogonal left-hand circular polarization and right-hand circular polarization. The size and area of ​​the phased array antenna are greatly reduced by designing a co-aperture phased array antenna for receiving and transmitting.

The utility model relates to a feeding device of battery cell heating equipment, the feeding device comprises a material taking manipulator, a battery cell transfer mechanism and a tray placing manipulator, the material taking manipulator is used for grabbing a plurality of to-be-heated battery cells and transferring the battery cells to the battery cell transfer mechanism, the battery cell transfer mechanism is used for horizontally moving the battery cells to the position under the tray placing manipulator, and the tray placing manipulator is used for placing the battery cells on the tray placing manipulator. And the tray placing manipulator is used for grabbing the battery cells in the battery cell transfer mechanism and vertically lifting the battery cells so as to place the battery cells in a heating tray of the battery cell heating equipment. The material taking mechanical arm, the battery cell transfer mechanism and the tray placing mechanical arm are short in stroke, small in size and easier to arrange; the battery cell transfer mechanism and the wobble plate manipulator are both single-axis moving mechanisms, so that the structure is simple; and the material taking manipulator, the battery cell transfer mechanism and the tray placing manipulator can grab a plurality of battery cells at one time, so that the yield is improved, and the requirements of large-scale production are met.

This utility model discloses an irregularly shaped corner solid square pile and a combined pile. The solid square pile includes a pile body, which comprises alternating square segments and irregularly shaped segments along its length. Each irregularly shaped segment includes a cylindrical portion and a first protrusion extending radially outward from the outer side of the cylindrical portion. The position of the first protrusion corresponds to the position of the diagonal of the cross-section of the square segment. The diameter of the cylindrical portion is less than or equal to the side length of the square segment. The pile body has square segments at both ends. A cylindrical connecting segment is also provided at both ends of the pile body, with the outer diameter of the cylindrical connecting segment being less than or equal to the side length of the square segment. A skirt plate is provided on the outer side of the cylindrical connecting segment, and / or an end plate is provided at the end of the cylindrical connecting segment. The irregularly shaped corner solid square pile disclosed in this application, because it also has cylindrical connecting segments at both ends of the pile body, with the outer diameter of the cylindrical connecting segments being less than or equal to the side length of the square segment, can reduce the perimeter or end area of ​​the precast pile connection portion, thereby reducing the size (area) of the skirt plate or end plate of the irregularly shaped corner solid square pile, further reducing costs.

The application relates to a multi-effect lithium bromide absorption heat pump unit and belongs to the technical field of energy saving and environmental protection. The application solves the problem of low waste water heat recovery efficiency when the existing flash evaporation technology is combined with a heat pump unit. The first to the Nth effect evaporators are connected to the flash evaporation steam outlets of the multi-effect flash evaporator through steam channels one by one, the steam outlets of the first to the Nth effect evaporators are connected to the steam inlets of the first to the Nth effect absorbers, the steam outlet of the generator is connected to the steam inlet of the condenser, the water to be heated enters the Nth to the first effect absorbers, the condenser and is discharged in sequence through a water pipeline, a driving heat source pipeline is arranged in the generator, the lower part of the generator is connected to the upper parts of the first to the Nth effect absorbers through concentrated solution pipelines, the lower parts of the first to the Nth effect absorbers are connected to the upper part of the generator through dilute solution pipelines, and the lower part of the condenser is connected to the upper parts of the first to the Nth effect evaporators through refrigerant water pipelines.

The utility model relates to battery cell heating equipment which comprises a rack, a heating device, a feeding device and a discharging device, the heating device comprises a plurality of heating trays, a first horizontal guide rail and a shifting fork assembly, and the shifting fork assembly is used for moving the heating trays to a battery cell feeding position and a battery cell discharging position; the feeding device is used for grabbing the battery cells at the feeding position and placing the battery cells on the heating tray, and the discharging device is used for grabbing the battery cells from the heating tray and transferring the battery cells out. After the battery cell is placed on the heating tray, contact type heating is carried out, and the heat transfer efficiency is high; the heating trays are pulled in and out through the shifting fork assemblies so that feeding and discharging can be conveniently conducted through the feeding device and the discharging device, in the feeding and discharging process of the heating trays, all the heating trays are still in the heating state, when the heating time of the battery cells in the heating trays is up, the battery cells can be taken out immediately, then new battery cells are put in, and a rolling cycle is formed; the feeding and discharging time is very short, so that the utilization rate of the heating device is improved and the productivity is increased.

The application discloses a kind of ultra-wide band low intermodulation suspended band line filter band-stop piece, it is related to filter technical field, including filter shell, and filter band-stop piece is suspended in filter shell inside by band-stop piece medium, the inside of filter shell is also fixedly provided with multiple groups of filter resonant column, joint inner core is fixedly connected with band-stop piece medium, joint inner core filter and resonant column air coupling realize filtering effect;The ultra-wide band low intermodulation suspended band line filter band-stop piece, by filter cavity, filter band-stop piece, band-stop piece medium, filter resonant column and filter joint, the distance between joint inner core and filter resonant column is adjusted, to realize the frequency and loss suppression required product requirement, cancel traditional large cavity, machine resonant column, flying sense and other accessories, reduce the size and floor area of filter, and make the assembly process of filter has been simplified.

The present invention provides an antenna device and background music multimedia equipment. The length of the radiating part extends along a first direction. The length of the grounding connection part extends along a second direction, and the second direction is perpendicular to the first direction. The bandwidth adjustment part is connected between the radiating part and the grounding connection part. The bandwidth adjustment part is provided with a bandwidth adjustment gap, and the length of the bandwidth adjustment gap extends along the first direction. The feed source includes a feed point part and a ground feed part that are arranged at intervals. The feed point part is connected to the connection between the bandwidth adjustment part and the radiating part. The ground feed part is connected to the connection between the bandwidth adjustment part and the grounding connection part. In this way, the various parts of the antenna device are coordinated in an orderly manner, and the efficiency and gain are improved without increasing the size and area, thereby improving its own performance and meeting the requirements of antenna transmission.