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72results about How to "Reduced Thickness Dimensions" patented technology

Battery cell cover plate and battery cell

The invention relates to the technical field of batteries, in particular to a battery cell cover plate and a battery cell. The battery cell cover plate comprises a cover plate main body provided with a mounting hole; the pole column is arranged in the mounting hole, the pole column comprises a column body part and a first plate body part, the first plate body part is arranged at one end, facing the outside of the battery cell, of the pole column and is formed by outwards protruding the side wall of the column body part, and the distance between the side wall of the first plate body part and the side wall of the column body part is L; the distance between the side wall of the cylinder part and the hole wall of the mounting hole is M, and L is greater than M; and the first insulating part is clamped between the first plate body part and the cover plate main body. According to the invention, a riveting block structure in a traditional battery cell cover plate is canceled, so that the first plate body part on the pole directly crimps the first insulating part on the cover plate main body, thereby facilitating assembly and reducing cost; the occupied space and the weight of the cover plate are reduced, and the energy density of the battery cell is improved. In addition, L is limited to be larger than M, the situation that the pole falls off under the impact of external force is avoided, and therefore the safety performance of the battery cell cover plate is improved.
Owner:SVOLT ENERGY TECHNOLOGY CO LTD

Anti-reflection film, optical conduction assembly, camera module and electronic equipment

The invention relates to an antireflection film, an optical conduction assembly, a camera module and electronic equipment. The antireflection film is provided with a light inlet side and a light outlet side and comprises a first mixture film layer, a metal film layer, a second mixture film layer and an inorganic compound film layer which are sequentially stacked in the direction from the light inlet side to the light outlet side. The first mixture film layer and the second mixture film layer are made of aluminum oxide-praseodymium oxide mixed oxide. According to the antireflection film, the materials and the arrangement of the film layers are designed, so that the film layers can be matched with one another, the transmittance of the antireflection film is effectively improved, the reflectivity of the antireflection film is reduced, and the spectral bandwidth of the antireflection film is widened.
Owner:GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD

Ultra-miniature harmonic speed reducer with double-flexible-gear structure

The ultra-miniature harmonic speed reducer with the double-flexible-gear structure comprises a steel wheel, an input shaft, a supporting bearing structure, a multi-stage flexible gear structure and an output shaft, an upper cover and a lower cover are fixedly installed on the upper side and the lower side of the steel wheel correspondingly, and the input shaft and the output shaft are rotationally connected with the steel wheel through the supporting bearing structure; the input shaft and the output shaft are in driving connection through a multi-stage flexible gear structure, and the multi-stage flexible gear structure is formed by connecting a plurality of flexible gear structures in series. The harmonic speed reducer is provided with the double flexible gear structures which are connected in series, the harmonic speed reducer is large in transmission ratio, high in bearing capacity and high in transmission precision, and compared with a traditional harmonic speed reducer, the harmonic speed reducer can be of an ultra-micro structure, has the high transmission ratio and large torque, can be suitable for the small-space use environment, is higher in applicability and has the good market prospect in the field of miniature equipment.
Owner:DONGGUAN XINTUO INTELLIGENT MACHINERY TECH

Pressure sensor mounting seat, pressure sensor mounting structure and automobile seat

The utility model discloses a pressure sensor mounting seat, a pressure sensor mounting structure and an automobile seat. The pressure sensor mounting seat comprises a mounting seat main body and a main connecting sleeve, the mounting base body is used for mounting a pressure sensor and a sensor triggering elastic piece. Main connecting sleeves are integrally arranged on the two sides of the mounting base body and extend in the length direction of the mounting base body. The main connecting sleeve is used for being directly connected with the seat suspension spring steel wire in an integrated injection molding mode, the connecting structure is more stable, the pressure sensor mounting base can be effectively prevented from moving relative to the seat suspension spring steel wire, a switching plastic support, a buckle and the like are not needed in the assembling process, few parts are needed, the thickness size of a product can be reduced, and the production cost is reduced. And the product cost can be reduced.
Owner:CHENGDU KEYUANDA TECHNOLOGY CO LTD

Manufacturing method and heat exchanger

The present disclosure provides a method for manufacturing a heat exchanger including an evaporating body configured to absorb heat from outside and evaporate a liquid-phase working fluid into a gas phase while moving the working fluid by capillary forces. The method includes steps of: forming a recess in a plate surface of a first plate member, the first plate member being plate-shaped; applying a powder-containing material to a predetermined region in the recess; solidifying the material applied to the predetermined region to form the evaporating body; and covering the recess having the evaporating body formed thereon with a second plate member, the second plate member being plate-shaped, and securing the first plate member to the second plate member.
Owner:PORITE CORP +1

An FPC connector with side pressure unlocking function

The present invention relates to an FPC connector with a side pressure unlocking function, comprising an FFC cable, an insulating rubber seat, an outer shell and a wiring terminal. The outer shell comprises a top plate, a bottom plate, a connecting plate, a left side plate and a right side plate. The connecting plate is connected between the top plate and the bottom plate. A plug-in limit arm extends downward from the top plate to realize the hooking limit of the FFC cable. A left pressure arm extends to the right from the side wall of the left side plate, which comprises a left connecting transition portion and a left top supporting protrusion. The left top supporting protrusion is formed by extending upward from the free end of the left connecting transition portion. A right pressure arm extends to the left from the side wall of the right side plate, which comprises a right connecting transition portion and a right top supporting protrusion. The right top supporting protrusion is formed by extending upward from the free end of the right connecting transition portion. In this way, the FPC connector is effectively prevented from being damaged by pressure. More importantly, the thickness of the FPC connector is also effectively reduced.
Owner:GOLDENCONN ELECTRONICS TECH CO LTD

Endoscope head end

The utility model discloses an endoscope head end which comprises a lamp bead and a lamp wire assembly, the lamp wire assembly comprises two single-core enameled wires, the first ends of the single-core enameled wires are connected with the lamp bead, and the second ends of the single-core enameled wires are used for being connected with a power source. According to the endoscope head end provided by the utility model, the single-core enameled wire is adopted to replace a multi-strand stranded electronic wire in the prior art, the single-core enameled wire is larger than the multi-strand stranded wire, the conductor is larger than the overall cross sectional area of the cable, and the cable is easier to shape during welding.
Owner:MEHOW INNOVATIVE (HUIZHOU) LTD

Ineffective potential suppression structure for small inductosyn

The invention discloses an ineffective potential suppression structure for a small inductosyn, and belongs to the technical field of inductosyn. The invention aims at the application requirements of high precision and small size of the inductosyn. A stator effective conductor of the inductosyn is arranged on the front surface of the stator substrate and is arranged along the whole circumference of the stator substrate; a stator substrate and a rotor substrate of the inductosyn are made of ferromagnetic materials. Stator ineffective conductors of the inductosyn are arranged on the back face of a stator substrate and are arranged along the whole circumference. The stator non-effective conductor and the stator effective conductor are connected through dense via holes; a stator effective conductor and a rotor conductor of the inductosyn are arranged in a radial alignment manner. According to the stator design scheme based on the double-layer metal-based MCPCB, the ferromagnetic material is used for improving the signal strength and shielding the ineffective potential, the precision and the signal-to-noise ratio are improved, meanwhile, the radial and axial space occupation is reduced, and the application requirement of the induction synchronizer in a small precise servo system is met.
Owner:HARBIN INST OF TECH

Rotating electrical machine

A motor device (60) includes a motor housing (70), a stator (200), an electric power lead-out wire (212), and a first rotor. The motor housing (70) accommodates the stator (200) and the first rotor. The stator (200) includes a coil portion (215). The electric power lead-out wire (212) is led out from the coil portion (215). The electric power lead-out wire (212) includes a rising avoidance portion (646). The rising avoidance portion (646) extends in an axial direction (AD) passing between the first rotor (300a) and a motor inner peripheral surface (70b). The rising avoidance portion (646) is flat such that a thickness dimension (Wb) in a radial direction (RD) is smaller than a width dimension (Wa) in a circumferential direction (CD). In the rising avoidance portion (646), an avoidance outer surface (646a) faces the motor inner peripheral surface (70b).
Owner:DENSO CORP

A piezoelectric valve for a controlled nuclear fusion device and a controlled nuclear fusion device

The present application relates to the field of fusion engineering technology, specifically a piezoelectric valve for a controlled nuclear fusion device and a controlled nuclear fusion device, wherein the piezoelectric valve includes a shell and a cover plate, the shell and the cover plate can form a sealed inner cavity; an air inlet port and an air outlet port are arranged on the shell and communicated with the inner cavity, the air outlet port includes a first hole and a second hole opened on the side wall of the shell and communicated with each other, wherein the first hole faces a first direction on the inner side of the side wall, and the second hole faces a second direction perpendicular to the cover plate; a sealing assembly is fixedly installed in the inner cavity, including a piezoelectric actuator and a sealing member, the piezoelectric actuator contacts the first hole through the sealing member, and the piezoelectric actuator can drive the sealing member to contract toward the first direction or expand away from the first direction. The thickness of the piezoelectric valve is reduced to a size that adapts to a narrow installation space, and after installation, the air outlet port directly faces the air supply position in the vacuum chamber, shortening the air supply path and improving the air supply response time.
Owner:SHAANXI STARTORUS FUSION TECHNOLOGY COMPANY LIMITED

A refrigerator

ActiveCN224623256Uprevent freezingavoid frost
This utility model provides a refrigerator, including: an evaporator, a freezer compartment, a drain pipe, an outer pipe, and an insulation layer. The evaporator is located above the freezer compartment, and the insulation layer is located on one side of the freezer compartment in the horizontal direction. At least a portion of the drain pipe is disposed within the insulation layer. The outer pipe is sleeved on the outer periphery of at least a portion of the drain pipe or disposed on the inner periphery of at least a portion of the drain pipe. Condensate generated by the evaporator can be received in the drain pipe, and refrigerant can be introduced into the outer pipe so that the refrigerant can heat the condensate and prevent the drain pipe from freezing or frosting. This utility model can simultaneously achieve a thinner overall refrigerator size and ensure that the drain pipe does not freeze or frost; effectively solving the problem in existing refrigerators that cannot simultaneously ensure that the evaporator drain pipe does not freeze or frost and achieve a thinner overall refrigerator size.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Light absorption film, shooting module and electronic equipment

The invention relates to a light absorption film, a shooting module and electronic equipment. The light absorption film comprises a first titanium film layer and two anti-reflection film layers, the two anti-reflection film layers are arranged on the two sides of the first titanium film layer respectively, each anti-reflection film layer comprises a titanium dioxide layer and a silicon dioxide layer, and the silicon dioxide layer is arranged on the side, opposite to the first titanium film layer, of the titanium dioxide layer. The titanium dioxide layer and the silicon dioxide layer in the anti-reflection film layer are attached to each other. The light absorption film can effectively absorb light rays and reduce reflection of the light rays on the light absorption film, so that stray light and interference light in a light path are reduced, the phenomena of glare, halo and the like in light path imaging are reduced, and the imaging quality of the light rays passing through the light absorption film is improved.
Owner:GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD

A sound-absorbing structure and design method for an underwater mid-to-low frequency Helmholtz resonator

ActiveCN120412516BRealize underwater sound absorptionIncreased acoustic impedance
This invention relates to the field of underwater noise control technology, and in particular to an underwater mid-to-low frequency Helmholtz resonator sound-absorbing structure and its design method. It comprises M×N identical sound-absorbing units; multiple sound-absorbing units are stacked to form a coupling structure; several coupling structures are combined to form a single-layer sound-absorbing structure; multiple single-layer sound-absorbing structures are stacked to form a resonator sound-absorbing structure; and the incident wave is perpendicular to the resonator sound-absorbing structure. Each sound-absorbing unit consists of a cylindrical throat, a cuboid cavity, and a cuboid-shaped custom composite material base connected in series; the three are fixed and tightly connected by a fixing material; the center of the throat's cross-section coincides with the geometric center of the cuboid cavity, and the cross-sections of the cuboid cavity and the cuboid-shaped custom composite material are identical, fitting tightly together. This invention enables efficient sound absorption over a relatively wide frequency range. Through the design process of this invention, the dimensions of the sound-absorbing unit are designed according to noise requirements, allowing for adjustment of the operating frequency.
Owner:SOUTHEAST UNIV

Battery cap and battery

The utility model relates to the technical field of batteries, in particular to a battery cap and a battery. According to the battery cap, a connecting piece is connected with the side, facing the interior of a battery, of a connecting part on a pressure relief piece, a thinning groove is formed in the side, facing the interior of the battery, of the connecting piece so that a thinning area can be formed on the connecting piece, and the thickness size of the thinning area in the axial direction of the battery cap is H; a first groove is formed in one side, facing the exterior of the battery, of the thinning area, and the depth size of the first groove in the axial direction of the battery cap is H1; a second groove is formed in one side, facing the interior of the battery, of the thinning area, and the depth size of the second groove in the axial direction of the battery cap is H2; 0.2 < = (H1 + H2) / H < = 0.6. According to the utility model, the pressure relief piece can be separated from the connecting piece in time before being opened, the safety performance of the battery is ensured, the connecting piece has enough structural strength, and the connecting piece is prevented from being deformed or prematurely powered off under impact, so that the service life of the battery is ensured.
Owner:SVOLT ENERGY TECHNOLOGY CO LTD

Robotic foot and robot

The utility model provides a kind of robot sole and robot, robot sole includes tip, sole main body and elastic member;Tip and sole main body are rotatably connected, so that robot sole has passive degree of freedom in walking process, improve the stability and flexibility of robot walking.Elastic member is rotatably connected with tip and sole main body respectively, the rotating direction of sole main body relative to tip is same with the rotating direction of elastic member relative to tip and sole main body;Elastic member is deformable in the direction from the one end of sole main body towards tip to the one end of sole main body away from tip.Elastic member can be deformed to play the role of buffering, effectively absorb the impact force generated in the instant of landing, reduce the noise generated when walking.Elastic member deforms along the length direction of robot sole, and the deformation space is larger, which can provide greater range of buffering force, reduce the overall thickness size of robot sole, and can be adapted to more models and sizes of robot, improve the scope of application.
Owner:智元创新(上海)科技股份有限公司

Motor controller

The invention relates to the technical field of motors, and particularly provides a motor controller. The motor controller aims to solve one or more problems of long assembly time and low assembly efficiency of an existing motor controller or large size and low power density of the existing motor controller. Therefore, the motor controller comprises a shell assembly, a power module, a mainboard assembly and an integrated non-magnetic-core current sensor AC assembly, a first containing cavity is formed in the shell assembly, and the power module and the mainboard assembly are located in the first containing cavity; one part of the integrated non-magnetic-core current sensor AC assembly is located in the first containing cavity, the other part of the integrated non-magnetic-core current sensor AC assembly extends out of the first containing cavity and forms an AC output port, and the power module, the mainboard assembly and the integrated non-magnetic-core current sensor AC assembly are all riveted with the shell assembly in a rotary riveting mode. The motor controller is convenient to assemble, high in assembling efficiency, small in size and large in power density.
Owner:NIO TECH ANHUI CO LTD

A massive MIMO array antenna

The present invention proposes a large-scale MIMO array antenna, including at least one MIMO antenna module and an antenna cover, the shapes of the MIMO antenna module and the antenna cover are adapted, the MIMO antenna module includes multiple radiation units, a support frame, a power division network module, a calibration network module and a radio frequency connector, the radiation unit array is arranged on the power division network module, the radiation units are composed of sub-array units in the form of at least two groups, the power division network module and the calibration network module are fixed on the support frame, one end of the power division network module is electrically connected to the sub-array unit, and the other end is electrically connected to one end of the calibration network module, the other end of the calibration network module is electrically connected to the radio frequency connector, and the radio frequency connector is connected to the radio frequency device TR component. The present invention eliminates the reflector in the traditional antenna design, simplifies the structural composition, and reduces the thickness of the antenna.
Owner:SHANGHAI AMPHENOL AIRWAVE COMM ELECTRONICS CO LTD

Electronic device

The invention relates to electronic equipment. The electronic equipment comprises a frame body, the frame body comprises a body and a connecting part, the body is provided with a mounting hole, and the mounting hole forms a surrounding space communicated with the outside of the frame body; the connector comprises a tongue plate and a fixing piece, the connector is connected with the connecting part through the fixing piece, a part of appearance surface of the connector is formed at the front end of the tongue plate, the front end of the tongue plate is arranged in the mounting hole in a penetrating mode, the front end of the tongue plate is exposed out of the fixing piece, and the fixing piece is arranged on the front end of the tongue plate. And the rotating shaft is arranged in the surrounding space.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Touch knob device

The utility model relates to the technical field of electronic components, and particularly discloses a touch control type knob device which comprises a rotary encoder, the rotary encoder comprises a fixed inner ring, a rotary outer ring and a circuit board, wherein the fixed inner ring is rotatably sleeved with the rotary outer ring, and the circuit board is installed on the fixed inner ring and responds to the angle change between the fixed inner ring and the rotary outer ring to generate a first electric signal. And the touch screen is fixedly arranged on the fixed inner ring, is electrically connected with the circuit board, and is used for sending a second electric signal to the circuit board after being touched and clicked. According to the touch control type knob device provided by the utility model, the overall size can be reduced on the premise of ensuring the rotating and pressing functions.
Owner:DONGGUAN LINJVE IND INVESTMENTS

Motor stator winding structure

ActiveCN224503020USmooth outEasy wiring
The utility model discloses a motor stator winding structure, including setting at the outside of stator core's stator framework, the stator winding is coiled on the stator framework, the stator winding includes winding part, wire section and lead-out wire part, wherein winding part is coiled on the stator framework at the outside of stator tooth, forms wire section between adjacent winding part, and the one end of stator winding forms lead-out wire part, the stator framework forms winding side at the side close to motor rotor, and there is a plurality of winding column in annular distribution on winding side, wire section connects stator framework through winding column, and stator framework forms the outgoing line side at the side away from motor rotor, and the end of stator winding passes through stator framework and extends to outgoing line side and forms lead-out wire part. The utility model can reduce the space occupancy of motor stator in thickness direction, and the control of stator winding outgoing line position and outgoing line direction is convenient.
Owner:HUZHOU NANYANG ELECTRIC MOTOR

Switch

The embodiment of the utility model provides a switch. The switch comprises a body with a groove; the contact assembly is arranged in the groove and coupled to the body, and the contact assembly can be switched between an open state and a closed state; the actuating piece is arranged in the groove and coupled to the body, the actuating piece can rotate around a rotating axis located outside the body, the rotating axis is located on the side, away from the contact assembly, of the actuating piece, and the actuating piece can drive the contact assembly to be switched between the open state and the closed state in the rotating process; and the operating piece is arranged at the opening of the groove and coupled to the actuating piece, and the operating piece can drive the actuating piece to rotate. By means of the arrangement, the length of the force arm, acting on the contact assembly, of the actuating piece is from the rotating axis to the contact assembly. The motion amplitude of the operating piece is small, so that the size of the operating piece can be reduced, the thickness of the switch is reduced, and the problem that the thickness of the switch is large is solved.
Owner:SCHNEIDER ELECTRIC IND SAS

Electronic device

PendingCN119135790Aprevent prolapseInternal waterproofing performance destroyedTelephone set constructionsMechanical engineeringElectronic equipment
The invention discloses electronic equipment, and belongs to the field of electronic equipment.In the electronic equipment, a shell is provided with a through hole, a decoration ring is arranged on the periphery of a lampshade in a sleeving mode, and a part of the decoration ring and a part of the lampshade extend into the through hole; the decorative ring is provided with an avoiding notch, one of the first limiting piece and the second limiting piece penetrates through the avoiding notch and is fixedly connected to the outer edge of the lampshade, the other one of the first limiting piece and the second limiting piece is fixedly connected to the outer edge of the decorative ring, and the first limiting piece and the second limiting piece are distributed in the circumferential direction of the decorative ring. The packaging part is a hard structural part and is fixed to the same side of the lampshade, the decoration ring, the first limiting part and the second limiting part in the axial direction of the through hole, the first limiting part and the second limiting part are both arranged between the shell and the packaging part in a limiting mode, and the area, opposite to the lampshade, of the packaging part is arranged in a light-transmitting mode; the bonding piece is arranged outside the first limiting piece and the second limiting piece in a surrounding mode, and the shell and the packaging piece are fixedly connected through the bonding piece.
Owner:VIVO MOBILE COMM CO LTD

Retractable building

The present invention relates to the technical field of building structures, and discloses a retractable building, including a support assembly, a telescopic crossbeam, a telescopic room beam, a reel assembly, a moving part, and a moving drive device. The support assembly includes at least two columns, and each column is arranged in two rows in parallel; the telescopic crossbeam includes at least two fixed frames that are sleeved in sequence; the telescopic room beam includes at least two beam bodies that are sleeved in sequence; the beam body includes a side panel arranged on one side of the beam body, and a perforation is arranged in the side panel; the reel assembly includes a mounting frame, a shell, a roller blind, and a roller blind driving member that are stacked in sequence; one end of the roller blind is elastically and telescopically wound in the shell, and the other end of the roller blind passes through the perforation and is connected to the fixed frame. By providing a fixed frame and a beam body that are sleeved in sequence, a mounting frame that is stacked in sequence, one end of the roller blind is wound in the shell, and the other end passes through the perforation and is connected to the fixed frame, and the column is driven to move by the moving drive device, a one-button unfolding and folding operation of the building is realized, and the operation is simple and time-saving.
Owner:梁智锋

Optical module and augmented reality display device

This application provides an optical module and an augmented reality display device. The optical module includes a light-transmitting lens, a display screen, and a freeform mirror. The light-transmitting lens has an optical axis that passes through its center. The display screen is located on one side of the light-transmitting lens in a first direction, which intersects the extension direction of the optical axis. The freeform mirror is fixedly disposed with the light-transmitting lens and is located on one side of the display screen in the first direction. The optical module is configured such that light emitted from the display screen enters the freeform mirror, changes its propagation direction, and generates a corresponding display image area on the light-transmitting lens. The optical axis is located outside the display image area, and the display image area is located on one side of the optical axis in the first direction.
Owner:SUZHOU GUOXIAN INNOVATION TECHNOLOGY CO LTD

A flicker bar light and visual inspection system

ActiveCN224434223UExtended service lifeMeet thin and lightVisual inspectionHeat sink
This utility model discloses a strobe bar light and a visual inspection system. The strobe bar light includes a housing and optical components. The housing has a mounting cavity. The optical components include a light bar, a focusing rod, and a diffuser plate, which are sequentially installed in the mounting cavity along the width direction of the housing. Multiple heat sinks protrude from one side of the outer wall of the housing, extending along the length direction of the housing and spaced apart along the width direction. The housing also has a cooling channel located on the side of the light bar away from the diffuser plate and extending through the housing along its length. The integrated installation of the optical components, heat sinks, and cooling channel within the housing results in a thin and light-emitting strobe bar light with bright and uniform light output, high heat dissipation efficiency, and stable operation.
Owner:SUZHOU INS IMAGE SOFTWARE TECH CO LTD

A lightweight and efficient through-shaft type wheel hub motor

The application discloses a light and efficient through-shaft type wheel hub motor, which comprises a through-shaft, a wheel hub shell mounted on the through-shaft, a machine core, a planetary reduction mechanism and a clutch which are sequentially assembled along the through-shaft, the clutch comprises an outer ring and an inner ring, the inner ring is fixed on the through-shaft, the planetary reduction mechanism comprises a sun gear arranged on an output end of the machine core and a plurality of planetary gears, the planetary gears are arranged on planetary shafts, the planetary shafts are fixed to the outer ring of the clutch, the sun gear is in transmission connection with a ring gear fixed to the inner side of the wheel hub shell through the planetary gears, and the planetary gears are double planetary gears, the double planetary gears comprise coaxially arranged large and small gears, the large gear is a plastic gear and is in mesh with the sun gear, the small gear is a metal gear and is in mesh with the ring gear, and an extension shaft sleeve is integrally arranged at the center of the small gear to fix the large gear. The through-shaft type wheel hub motor can ensure high output power and good internal structural strength under the premise of reducing weight, and the volume is further reduced.
Owner:SUZHOU SHENGYI MOTOR

Transmission array antenna and beam scanning device

The invention provides a transmission array antenna and a beam scanning device, relates to the technical field of communication, and aims to solve the problems of complex structure and the like of the transmission array antenna. The transmission array antenna provided by the invention comprises a first plate layer and a second plate layer which are oppositely arranged, and the first plate layer and the second plate layer can rotate relatively; the first plate layer comprises at least one first dielectric layer, and the surface of the at least one first dielectric layer is provided with a first phase shift layer; the second plate layer comprises at least one second dielectric layer, and the surface of the at least one second dielectric layer is provided with a second phase shift layer; wherein the first phase shift layer and the second phase shift layer are used for adjusting the phase of the electromagnetic wave in sequence. The transmission array antenna provided by the invention is simple in structure and convenient to realize a relatively low profile height, and in addition, in practical application, the number of equipped active devices is relatively small, the transmission array antenna is convenient to widely apply, and the regulation and control difficulty is reduced.
Owner:HUAWEI TECH CO LTD

Refrigeration equipment

The utility model relates to the technical field of refrigeration equipment, and discloses refrigeration equipment which comprises a box body and a radiator, and a cavity is formed in the box body; the radiator comprises a liquid storage box, a radiating pipe and a radiating plate, the liquid storage box is provided with an inner cavity for loading a heat-conducting medium, the liquid storage box is provided with an outlet and an inlet, the two ends of the radiating pipe are arranged at the outlet and the inlet, the radiating plate is arranged on the outer wall of the box body, and the radiating plate is arranged on the outer wall of the box body. The heat dissipation pipe is connected to the side wall, facing the cavity, of the heat dissipation plate. The radiating plate of the radiator is arranged on the outer wall of the box body, the radiating area is large, the contact area of the radiating pipe and the radiating plate is large, the heat exchange efficiency is high, the thickness of the radiating pipe and the thickness of the radiating plate are small, and the volume fraction of the box body can be improved.
Owner:HEFEI HUALING CO LTD +2

Piezoelectric sensor

The embodiment of the utility model provides a piezoelectric sensor. The piezoelectric sensor comprises a shell assembly, a piezoelectric layer located in a containing cavity, an electrode block located in the containing cavity, an insulation assembly and a conductive assembly. The piezoelectric layer is electrically connected with the shell assembly along one side of the first direction, and the electrode block is arranged on the other side of the piezoelectric layer along the first direction and electrically connected with the piezoelectric layer. The insulation assembly comprises an insulation pad, and the insulation pad is arranged between the electrode block and the shell assembly and located on the side, away from the piezoelectric layer, of the electrode block; the thickness of the electrode block in the first direction is larger than that of the insulating pad in the first direction. The conductive assembly is provided with a connecting end electrically connected with the electrode block and an output end extending out of the shell assembly. The piezoelectric sensor provided by the embodiment of the utility model is small in size.
Owner:SHENZHEN XINJINGCHENG SENSING TECHNOLOGY CO LTD