102results about How to "Reduce overall size" patented technology

The invention discloses an embedded MEMS bioelectrode and a preparation technique thereof, which is applied to rehabilitation therapy of neurogenic disease in clinical medicine. An electrode employs MEMS processing technology to prepare a graphical stimulating electrode, a graphical recording electrode and a graphical outlet terminal with a concave pit structure of an electrode circuit at a substrate. A chemical vapor deposition method is employed to grow multiple layers of impermeable insulting layer; a wet etching method is employed to etch the impermeable insulting layer of the stimulating electrode, the recording electrode and the outlet terminal of the electrode circuit; thereby the metallic film of the electrode and the outlet terminal of the electrode is exposed; an electroplating technique is combined to form a thick film structure of the outlet terminal of the electrode circuit and realize a reliable connection with an external conductor. Materials with good biocompatibility are employed to prepare metal and the insulting layer of the electrode, and all parts outside the stimulating electrode and the recording electrode are encapsulated by biological polyurethane after the electrode circuit is connected with the external conductor, thereby the whole electrode is endowed with good biocompatibility, and is suitable for being implanted into the human body for a long time.

The invention discloses a bevel positioning lathe fixture for a precision forging bevel gear, which comprises a connecting disk, a claw base, a pull rod, a tension spring, a pin, a draught spring, a shaft pin, a positioning disk, a bolt, claws, a gear mould and a screw, wherein the connecting disk is sleeved with a spigot at the left end of the positioning disk and is connected with the spigot through the bolt; the gear surface of the gear mould is rightward; a spigot at the left end is coaxially matched with an inner hole of the positioning disk and is connected with the inner hole through the screw; a claw disk is arranged in the connecting disk and is in clearance fit with the connecting disk; the tension spring is arranged between parallel end faces of the claw disk and the connecting disk; the pull rod is connected in series with the claw base, the draught spring and the connecting disk; 3 to 5 claws hinged by the shaft pin are evenly distributed at the radial end of the claw base; the right end of the claw extending rightwards protrudes and a bent hook is inward; and both ends of the tension spring tow the claws and the pin respectively. The bevel positioning lathe fixture for the precision forging bevel gear has the advantages of compact structure, small volume, accurate positioning, reliable clamping, and easy assembly and disassembly, and is particularly suitable to be used as a mating fixture of a numerical control lathe to machine bevel gears.

The invention discloses an automatic door operator and a refrigerator provided with the same. The automatic door operator comprises a base, a drive mechanism and two non-circular intermittent gear and rack actuating mechanisms for pushing door bodies, wherein the drive mechanism is fixed in the base and is used for connecting a driving source component with the non-circular intermittent gear and rack actuating mechanisms; the non-circular intermittent gear and rack actuating mechanisms are arranged in the base and comprise rack push rods for pushing the door bodies, and non-circular intermittent gears meshed with the rack push rods; when the two door bodies are in a closed state, teeth of the rack push rods are not meshed with the non-circular intermittent gears; when one door body is required to be opened, the driving source component drives the drive mechanism to rotate, thus, the non-circular intermittent gears are driven to rotate, the non-circular intermittent gears are meshed with the teeth of the rack push rods, and the rack push rods extend out of the base, and the door body is pushed to be opened. The automatic door operator has the advantages of small size, small vibration and noise, long service life and high reliability.

The present invention provides an antenna device which comprises a metal frame which comprises a first end part and a second end part opposite to the first end part. One end of the first end part extends to form a low frequency radiation part, and the other end extends to form a high frequency radiation part opposite to the low frequency radiation part. The low frequency radiation part is used for connecting a low frequency circuit to receive and send a low frequency signal. The high frequency radiation part is used for connecting a high frequency circuit to receive and send a high frequency signal. The metal frame is the frame of a mobile terminal. The invention also provides the mobile terminal.

The invention proposes a planar waveguide continue transverse stub (CTS) antenna broadband feeding line source based on a planar dielectric lens, which is used for solving the problems of incapability in simultaneously achieving miniaturization, broadband and favorable matching and high difficulty in processing assembly of the traditional line source. The feeding line source comprises an H-surface trumpet (1), a planar dielectric lens (2) and a planar waveguide (3), wherein an output port of the H-surface trumpet (1) is connected with the planar waveguide (3), the planar dielectric lens (2) is arranged in the planar waveguide (3) and comprises an intermediate layer (21) and two matching layers (22), the two matching layers are symmetric to the intermediate layer (21) and comprise a plurality of matching sub layers, each layer adopts a straight line array structure formed by a plurality of strips with different dielectric constants and extend from the middle of the strip straight line array to the two ends, and the dielectric constants of the strips are gradually reduced. The planar waveguide CTS antenna broadband feeding line source has the advantages of small structural size, wide frequency band and favorable matching performance, is easy to produce, adjust and assemble, and can be applicable for planar waveguide CTS antenna feeding.

The invention relates to an Nd-Fe-B powder molding press. The Nd-Fe-B powder molding press comprises a rack, an upper punching assembly and a lower punching assembly, wherein the upper punching assembly and the lower punching assembly are arranged on the rack from top to bottom. The upper punching assembly comprises an upper pressing plate, a main hydraulic cylinder, a pressure relief piston and an upper punch, wherein the upper pressing plate is fixedly mounted on the upper portion of the rack; the main hydraulic cylinder comprises a cylinder block mounted on the upper pressing plate and a piston arranged in the cylinder block in an up-down moving mode; the lower end of the piston is provided with a containing cavity with a downward opening; the containing cavity forms a pressure relief cylinder block; the pressure relief piston is arranged in the pressure relief cylinder block in an up-down moving mode, and the pressure relief piston and the pressure relief cylinder block form a pressure relief cylinder; the upper punch is connected to the lower end of the pressure relief piston. According to the Nd-Fe-B powder molding press, the pressure relief cylinder is embedded in a piston of the main hydraulic cylinder; the structure is simple and ingenious; the overall dimensions of the Nd-Fe-B powder molding press are greatly reduced; the matching performance of the weight and the overall dimensions of the press and the dimensions of pressing blanks are improved; energy consumption is effectively reduced on the premise of guaranteeing the production efficiency.

The invention relates to a rotatable pneumatic gripping tool, which comprises a rotary head, a thimble, a cylinder body, a piston, a cylinder cover shaft, a shaft sleeve assembly and an air supply source, wherein three clamping jaws are connected to the rotary head; the tail parts of the clamping jaws extend into the rotary head; the tail parts of the clamping jaws are provided with small holes; the clamping jaws are connected through the small holes on the tail parts by using a circular tension spring; the front end of the thimble extends into the rotary head; the front end of the thimble has a conical shape which is matched with the tail contact surface of each clamping jaw; the thimble is connected with the piston through a screw; the piston is arranged in the cylinder body; a spring is arranged between the inner front end face of the cylinder body and the piston; the front end of the cylinder body is in threaded connection with the rotary head; the back end of the cylinder body is connected with one end of the cylinder cover shaft; the other end of the cylinder cover shaft passes through a ventilation disk in a shaft sleeve seat, and is locked through a shaft coupling; the shaft sleeve seat is provided with a ventilation hole; and the air supply source is communicated with the ventilation disk. Synchronous clamping of the three clamping jaws is realized through one-way air supply, 360-degree revolving during air supply is realized through a coaxial air path, clamping of the three clamping jaws and the revolving action do not influence each other, and the overall dimensions of the three clamping jaws are small.

The invention provides an anti-slip valve clamping device and a valve clamping system. The valve clamping system comprises a pushing device and a valve clamping device. The valve clamping device comprises a base and at least two tong arms which are opened and closed relative to the base, each tong arm comprises a connecting end and a free end, the connecting ends of the at least two tong arms arerotationally connected with the base through the same rotating shaft, and the connecting ends of the at least two tong arms are partially staggered. According to the valve clamping device, the connecting ends of the at least two forceps arms are rotationally connected to the base through the same rotating shaft, and the connecting ends of the at least two forceps arms are partially staggered, so that the valve clamping device is small in overall size and light in weight, conveying is convenient, and the anti-slip performance is high.

The invention provides an ultra-wideband radar antenna, comprising a transmitting component and a receiving component. The transmitting component comprises a transmitting metal back cavity 1 having an upward opening, a transmitting insulating medium plate 16, and a transmitting antenna 2; the transmitting insulating medium plate 16 covers the upward opening of the transmitting metal back cavity; the transmitting antenna 2 is arranged on the surface of the transmitting insulating medium plate. The receiving component comprises a receiving metal back cavity 7 having an upward opening, a receiving insulating medium plate 17, and a receiving antenna 16; the receiving insulating medium plate 17 covers the upward opening of the receiving metal back cavity; the receiving antenna 16 is disposed on the surface of the receiving insulating medium plate. The transmitting metal back cavity 1 is fixedly connected with the receiving metal back cavity 7 through a metal material. The transmitting antenna 2 and the receiving antenna 6 are coplanar. The ultra-wideband radar antenna is a planar butterfly antenna having the metal back cavities; the ultra-wideband radar antenna is smaller in overall size, well linkable to the wall and good in wide-band characteristic.

The invention relates to a portable tensioning / twisting composite material mechanical property testing machine. A tension sensor and clamping heads are fixed to a tension seat group; the tension seat group is fixed to a guide rail sliding block and is matched with a clamping head group on the opposite side; a unidirectional tensioning function and a unidirectional twisting function are respectively realized by the combination of force transfer mechanisms, such as a gear, a worm wheel, a worm and a screw nut, and electric motors. The two electric motors are adopted for respectively controlling two types of movement; related data are acquired by using the tension sensor, the torque sensor and an electronic scale; all movement control, data analysis and curve drawing are controlled by computer programs. The portable tensioning / twisting composite material mechanical property testing machine can be arranged on a projector of a teacher for observing more clearly, meanwhile, is suitable for teaching physical demonstration activities of academic classrooms of various engineering courses, and is small in overall size, compact in appearance and high in practicability.

The embodiment of the invention discloses a two-stage composite large-stroke high-precision rapid reflection mirror. Through arranging a middle platform and a through hole of the middle platform, a piezoelectric driving portion passes through the through hole of the middle platform and an overall size of a composite structure is effectively reduced. Simultaneously, through adjusting and controlling a rigid-flexible characteristic of flexible support, piezoelectric driving and voice coil driving are relatively independent, and a coupling effect between the piezoelectric driving and the voice coil driving is reduced so that the two can be better combined. And finally, large angle, high precision, high response and high load bearing pointing and stability are achieved.

The invention relates to the technical field of optical equipment, specifically relating to the technical field of sight deflection test devices, in particular to a laser beam axis sight deflection test system under external field environment. In order to overcome the problem of poor working accuracy of photoelectrical sight device and precise test devices under external field environment in the prior art, the invention adopts the following technical scheme: the laser beam axis sight deflection test system under external field environment comprises a fire mechanism, an adjusting mechanism anda receiving component, wherein, the fire mechanism comprises a first sight lens and a laser; the adjusting mechanism comprises a laser adjusting mechanism, a first sight lens adjusting mechanism, a second sight lens adjusting mechanism and a laser receiving objective lens adjusting mechanism; and the receiving component comprises a second sight lens, a laser receiving optical system and a CCD. Compared with the prior art, the invention has the advantages of high accuracy and good effect.

The invention discloses a robot joint variable rigidity module based on a cam type lever structure. The robot joint variable rigidity module comprises an input part, an output part and a rigidity adjusting part. The rigidity adjusting part comprises pressure springs, a cam type lever and a rigidity adjusting supporting point. The cam type lever rotates around the rigidity adjusting supporting point, one end of the cam type lever cooperates with the output part, and the other end of the cam type lever cooperates with the pressure springs. A bearing is arranged between the input part and the output part so as to bear non-torque loads of the whole module and enable the input part and the output part to relatively rotate. When the output part of the variable rigidity module bears outer instantloads, the loads are transmitted to the pressure springs through the cam type lever to be absorbed, and therefore outer impacts are reduced, and flexible drive output is achieved; and meanwhile the robustness and operation stability of a robot are improved. The robot joint variable rigidity module is compact in structure and low in cost and is integrated into a module, and therefore the robot joint variable rigidity module can be conveniently applied to various kinds of interactive equipment, especially, flexible robot joints. The robot joint variable rigidity module further has the advantages of being convenient to operate and easy to implement.

The invention discloses a water pressure testing device for valves, a support plate is installed at the end part of a piston rod, fine-tuning oil cylinders are installed on the support plate, pressuretesting right flanges are installed on the fine-tuning oil cylinders, pressure sensors are installed between the pressure testing right flanges and the fine-tuning oil cylinders, a control device comprises four parts including a display screen operation platform, a hydraulic control module, an acoustic emission signal processing module and a water pressure control module, the hydraulic control module is used for controlling oil to enter into and drain out from a rod port and a head port in a hydraulic cylinder, an acoustic emission signal processing system which leads out a group of acousticemission sensors attached onto a valve housing is installed in the acoustic emission signal processing module, and the water pressure control module controls an electrically operated reversing valve thereof to relieve the pressure of the system. The invention enable users to detect active crack defects and detailed leakage points and judge crack size and leakage degree through the acoustic emission sensors of the device, so as to ensure that the flanges are sealed without leaking.

The invention discloses a central electronic hysteroscope, a lens mounting end cover thereof, and a uterine cavity moving operation platform. The lens mounting end cover of the central electronic hysteroscope comprises an end cover shell which is provided with an end cover cavity; an end cover partition plate which is mounted in the end cover cavity and divides the end cover cavity into an upper end cover cavity and a lower end cover cavity; a lens assembly which is obliquely mounted in the upper end cover cavity relative to the end cover shell and faces the lower end cover cavity; a photosensitive chip which is mounted in the upper end cover cavity; a prism which is installed in the upper end cover cavity, and the prism is located between the lens assembly and the photosensitive chip, wherein light passing through the lens assembly is refracted by the prism and then irradiates the photosensitive chip. The lens assembly of the lens mounting end cover is obliquely arranged and faces the lower end cover cavity through which the working apparatus passes, so that the working apparatus can be located in the view center of the lens assembly in the use process, and operation is convenient.

The invention discloses a two-degree-of-freedom micro-nano positioning platform. The two-degree-of-freedom micro-nano positioning platform comprises a base, a motion platform, guide mechanisms, decoupling mechanisms and drivers. The motion platform is arranged in the middle portion of the base. The four sides of the motion platform are connected with the motion mechanism. The guide mechanisms areconnected with the decoupling mechanisms. The decoupling mechanisms are connected with the base. An amplifying mechanism is arranged between the motion platform and each decoupling mechanism and connected with the decoupling mechanism. The drivers are arranged in the corresponding amplifying mechanisms. The drivers are used for driving the motion platform. The space of the positioning platform iseffectively utilized through the structural layout. The overall size of the positioning platform is reduced. Force-displacement nonlinearity generated from the hinge rigidity effect of the positioningplatform and concentrated stress of hinges can be reduced. Through a driver auxiliary assembly mechanism, the drivers are more conveniently assembled into the amplifying mechanisms in an interferencemode. The positioning platform can conduct wire cutting integrated machining and has the advantages of being free of assembly, friction and lubrication and the like.

The invention discloses a multifunctional support. The multifunctional support comprises a first mounting part and a second mounting part rotationally connected with the first mounting part, a first stator is arranged on the first mounting part, a rotating shaft and a first rotor are arranged on the second mounting part, the rotating shaft is rotationally connected with the first stator, and the first rotor is connected with the rotating shaft and driven by the first stator. The first stator and the first rotor of the multifunctional support are directly implanted in the inner space of the first mounting part and the inner space of the second mounting part and combined with the first mounting part and the second mounting part into a whole, and the overall size of the multifunctional support can be reduced effectively.

The invention relates to a Mach-Zehnder modulator based on photonic crystal and nanowire waveguide. The modulator comprises a photonic crystal multiple-mode interference coupling partial wave module,a photonic crystal slab waveguide phase module and a photonic crystal multiple-mode interference coupling combined wave module, the photonic crystal multiple-mode interference coupling partial wave module and the photonic crystal slab waveguide phase module are in waveguide connection through a nanowire, and the photonic crystal multiple-mode interference coupling combined wave module and the photonic crystal slab waveguide phase module are in waveguide connection through a nanowire; the photonic crystal multiple-mode interference coupling partial wave module and the photonic crystal multiple-mode interference coupling combined wave module both comprise photonic crystal multiple-mode interference couplers, the photonic crystal slab waveguide phase module comprises photonic crystal slab waveguide, and multiple-mode interference coupled zones are arranged inside the photonic crystal multiple-mode interference couplers. The modulator has the advantages that transmission speed is quick, the modulation band is wide and high, the modulator size is small, high integration and interconnection can be easily achieved, and important practical value is achieved.

The invention discloses a transmission device of a pan-tilt head camera. A first horizontal bevel gear and a second horizontal bevel gear are independent and coaxially arranged, so that the internal structure is more compact, and the overall size is greatly reduced; when a first motor and a second motor are same in the rotating speed and opposite in rotating direction, clockwise or anticlockwise movement of the first vertical bevel gear and the second vertical bevel gear can be realized, so that the camera fixed on a pan-tilt installing plate is driven to rotate up and down in a pitching manner; when the first motor and the second motor both the same in the rotating speed and the rotating direction, the first horizontal bevel gear and the second horizontal bevel gear rotate in the same direction, the first vertical bevel gear and the second vertical bevel gear can be in a relatively static state in the vertical direction, so that the camera fixed on the pan-tilt installing plate moveshorizontally and rotationally with respect to a pan-tilt support; and the rotation of the pitching and horizontal directions of the camera can be controlled by adjusting the rotating direction of thefirst motor and the second motor, a control mode is simple and effective, and the transmission device of the pan-tilt head camera can be applied to install a small gun type or cylindrical camera.

The invention relates to an electrochemical inertial sensor with a planar interdigitated electrode structure, belonging to the technical field of inertial sensing. Including interdigitated electrode plate, sensitive liquid, U-shaped shell, elastic rubber membrane and detection circuit. The interdigitated electrode plate is an insulating flat plate with two pairs of interdigitated electrodes symmetrically arranged on the surface, and the interdigitated electrodes are used as two pairs of cathode / anode electrodes for electrochemical reactions; Electrolyte for oxidation / reduction reactions. The U-shaped housing and the interdigitated electrode plates jointly form a flow channel for the sensitive liquid, both ends of the flow channel are sealed by elastic rubber membranes, and the sensitive liquid flows relative to the surface of the interdigitated electrodes under the action of external inertial force. The invention has the advantages of simple structure, convenient manufacture, low cost, mass production, wide application range and strong practicability.

The invention relates to a butterfly directional antenna used for a borehole radar, and belongs to the design field of the borehole radar. The butterfly directional antenna comprises a metal butterfly antenna sheet whose tail ends are arched, a dielectric material casing, an arched reflecting plate, tail end loaded resistor and capacitor, a coaxial feed line and an air through hole; the dielectric material casing is cylindrical, the butterfly antenna sheet is buried in the physical center, and the resistor and capacitor loaded in the tail end and connected in series are connected to the arched reflecting plate; the arched reflecting plate is arranged in the side surface of the dielectric material casing, and conformal with the casing; the air through hole penetrates two end surfaces of the dielectric material casing, and serves as a wire through channel; and the coaxial feed line is connected to a feed port of the metal butterfly antenna sheet. The antenna of the invention is small in the total size, adapted to the borehole shape, wide in the working frequency band, capable of matching a signal source, and is high in waveform and orientation.

The invention relates to a GIS bus device with a grounding switch. The GIS bus device comprises a GIS bus and a grounding switch. The GIS bus comprises a bus cylinder body, a bus conductor and basin-type insulators arranged on two ends of the bus cylinder body. The bus conductor is connected between the basin-type insulators on two ends. The grounding switch comprises a switch housing body fixed to the bus cylinder and a movably arranged moving contact. A grounding switch port through which the moving contact enters the bus cylinder body is arranged in the side wall of the bus cylinder. A static contact corresponding to the moving contact of the grounding switch is arranged on the bus conductor. In this way, the moving contact is capable of directly entering the bus cylinder body to be connected with or separated from the static contact through the grounding switch, arrangement of the bus conductor in the bus cylinder body in the prior art is not affected; there is no need to arrange aswitching structure on the end part of the GIS bus to connect the static contact of the grounding switch with the bus conductor; quantity of parts can be reduced; and the whole size of the GIS deviceis reduced.

A low-distortion wide-angle lens comprises a first lens (L1), a second lens (L2), a third lens (L3), a fourth lens (L4), a diaphragm (S), a fifth lens (L5), a sixth lens (L6), a seventh lens (L7), an eighth lens (L8), a ninth lens (L9) and a tenth lens (L10), which are sequentially arranged from an object side to an image side along an optical axis, wherein the third lens (L3), the fifth lens (L5) and the seventh lens (L7) have negative focal power, and the sixth lens (L6) and the tenth lens (L10) have positive focal power. Through reasonable placement and matching of the positive and negative focal power lenses and the concave and convex lenses, optical distortion of imaging is reduced, the lens is enabled not to be virtually focused in a temperature range of -30 DEG C to 70 DEG C, and imaging pixels are further improved. Due to the reasonable arrangement of the lenses, the requirement of tolerance sensitivity between the lenses can be reduced, meanwhile, the overall size of the lens can be reduced, the weight can be reduced, and the cost can be saved.

This invention relates to air conditioner. It includes the casing body, which forms many air passages feeding and discharging air; the heat exchanger positioned inside of the casing body; the spiral fan composed of columnar axes and many spiral blades which spiraling twist from one end of axes to the other end along the axial direction. It forcibly supplies air to the vertical axial direction of casing body; the driving electric engine, which is set at underside of the said spiral fan and drives the spiral fan towards one direction. This invention not only has high air-quantity high air pressure characters, but also can reduce the noise and the entire size of the system.

A differential mechanism in the vehicle transmission system comprises a planetary assembly, on the casing of which there are several input gears. The invention can reduce not only the size of the input gears, but also the wear of the input gears when transferring the torque of the several power producers.

An electronic device comprises a support part, a loudspeaker and a computer. The support part is provided with an arc cambered surface, the loudspeaker is mounted on the support part, and the computer comprises a screen. The computer ascends and descends relative to the support part, the loudspeaker is hidden when the computer descends or exposed when the computer ascends, and the screen is configured in the computer. The computer is configured relative to the support part, so that the arc cambered surface can partially surround the computer under the condition that the loudspeaker is hidden when the compute descends.

The invention discloses a display panel structure and a haze removal machine. The display panel structure includes a base, a display module disposed on the base, and a communication board disposed onthe base, wherein the display module and the communication board are disposed side by side on the base. According to the display panel structure of the present invention, the display module and the communication board are arranged side by side on the base, so that the thickness of the display panel can be directly reduced, and therefore, the display panel can be better applied to the haze removalmachine; and the display panel with reduced thickness takes up less radial space inside the body of the haze removal machine, the circumferential space of the haze removal machine can be well utilized, and thus, the overall size of the haze removal machine can be further reduced.