97results about How to "Solve the large volume" patented technology

The disclosed contactor comprises: a bottom base, including a coil with a movable iron core, a fixed armature, a command terminal, and a control circuit board with input and output end connected with the command terminal and coil; and a base frame, including a support member with a moving contact to connect with former core, a reset spring, and a fixed contact.

The invention discloses a macro-arc cathode discharge micro electric boosting module which comprises a power supply, an inductance coil, a control switch, a diverter, a cathode, an anode and an electromagnetic coil, wherein the power supply is used for providing direct current which is measured by using the diverter; the inductance coil is charged with power when the control switch is closed; an instantaneous high voltage is generated to the outside when the control switch is opened; if an external circuit is communicated, current is provided to the outside till the electric energy stored in the inductance coil is completely released; the cathode and the anode can discharge power and are broken and communicated when being subjected to the instantaneous high voltage, the surface of the cathode can be burnt and plasma is generated; and under the action of magnetic lines of the electromagnetic coil, the plasma is focused and ejected out at a high speed, and thus boosting force can be generated. A solid metal is adopted as a propellant, so that the problem that a micro boosting module is relatively large in size can be solved; due to cooperation of the electromagnetic coil and the control switch, and residual current discharge of an electric arc, the problem that the power of the inductance coil is consumed can be solved; and as the plasma on the surface of the cathode of a booster is focused by the electromagnetic coil, the specific impulse of the booster can be improved.

The invention relates to pan-tilt structures and the application field thereof and provides a two-axis pan-tilt in order to solve the problem that a pan-tilt in the prior art is large in size. The two-axis pan-tilt is used for driving a load device and comprises a first motor and a second motor, the first motor and the second motor are swing angle voice coil motors correspondingly, and the first motor comprises a first stator and a first rotor which are matched with each other. The second motor comprises a second stator and a second rotor which are matched with each other, the first rotor is connected with the second stator in a matched mode and used for driving the second motor to move, and the rotation axis of the first motor is not parallel with the rotation axis of the second motor. The load device is connected to the second rotor. The invention further provides a three-axis pan-tilt with the two-axis pan-tilt, two-axis shooting equipment and three-axis shooting equipment. The two-axis and three-axis pan-tilts and the shooting equipment thereof have the beneficial effects that the structure is compact, space planning is reasonable, and the size is small.

The invention discloses a probe of an eddy current sensor and an eddy current sensor. The probe of the eddy current sensor comprises a detection coil and a temperature compensating coil. The detection coil is in parallel with the test surface of the probe; the temperature compensation coil is perpendicular to the detection coil and does not exceed the plane where the inner side coil of the detection coil is positioned; the inner side coil of the detection coil is a turn of a detection coil having a shortest detection distance with the detection surface. The probe of the eddy current sensor and the eddy current sensor solve the problems that the eddy current sensor in the prior art is not high in detection accuracy because of temperature drift or the probe is large in size because of the temperature compensation, realize the probe size reduction on the basis of the guaranteed accuracy, achieve wide temperature compensation range and small probe size.

The invention relates to the technical field of low-frequency communication, and provides a multi-lobe cylindrical low-frequency mechanical antenna structure. The low-frequency antenna includes a support frame, a cylindrical antenna shell (support structure), and electret films with unlike charges. The electret films are attached to the cylindrical antenna shell (support structure) in a positive -negative alternating manner. When a mechanical antenna rotates, a ring current will be generated on the electret films, and the magnetic fields generated by different electret films will overlap witheach other. Compared with a structure in which positive and negative electret films are symmetrically distributed, the multi-lobe cylindrical low-frequency mechanical antenna structure provided by theinvention can help to improve the frequency of electromagnetic waves generated by mechanical antennas and reduce the requirements for the structural strength of the antenna shell and the rotating speed of the rotary motor. Moreover, the structure can help to reduce the power loss of mechanical antennas caused by rotation and friction.

The invention provides an integrated motor and an automobile with the same. The integrated motor comprises a motor main body and a motor controller, wherein the motor main body comprises an enclosureand a rotor assembly, the rotor assembly is arranged in the enclosure in a penetrating way, the motor controller is arranged at a rear end of the motor main body, a rear end cover assembly is formed,the motor controller is provided with a first cooling liquid passage, a cooling liquid connection passage and a second cooling liquid passage, the rotor assembly is provided with a third cooling liquid passage, the enclosure is provided with a fourth cooling liquid passage, a first cooling passage, the third cooling liquid passage, the cooling liquid connection passage, the fourth cooling liquid passage and the second cooling liquid passage are sequentially connected so that the integrated motor is cooled by a cooling liquid. With the integrated motor provided by the technical scheme, the problem of relatively large volume of the integrated motor in the prior art is effectively solved.

The invention discloses a single live wire electric energy metering apparatus, comprising a voltage detecting device and a current collecting device, wherein the voltage detecting device is respectively connected with a live wire and a null line, and the current collecting device is connected with the live wire; the voltage detecting device detects a zero crossing point signal of an alternating current power supply on the live wire and the null line, queries a voltage sine wave data table at first preset frequency to obtain multiple instantaneous voltage values when the zero crossing point signal is detected, and synchronously sends a sampling control signal to the current collecting device during each inquiry; and the current collecting device synchronously collects a current signal on the live wire according to each sampling control signal, obtains multiple instantaneous current values, and determines power data and electric energy data of a load connected to the live wire and the null line according to the multiple instantaneous voltage values and the multiple instantaneous current values. The single live wire electric energy metering apparatus disclosed by the invention can realize the metering of the power and the electric energy of the load by using a single live wire, thereby solving the problem that the metering of the power and the electric energy of the load depends on the null line and the problem that the existing electric energy metering apparatus is bulky due to the safety problem.

The invention discloses a microminiature feeding and discharging valve. The microminiature feeding and discharging valve comprises a shell, a valve element and an adapter. The valve element penetrates the shell, one end of the valve element ejects the inner wall of the shell, the other end of the valve element is attached to the adapter, the part between the shell and the valve element is sealed through sealing rings, and the valve element is airtight through a stopper. According to the microminiature feeding and discharging valve, by means of cooperation of the shell and the valve element, the size of the feeding and discharging valve is reduced, and the problem that a traditional feeding and discharging valve is large in size is solved; by means of cooperation of the valve element and the adapter, the structure of the feeding and discharging valve is optimized, and the defect that the traditional feeding and discharging valve is complex in structure is overcome; and by means of arrangement of the sealing rings and the stopper, the sealing effect of the feeding and discharging valve is enhanced, and the problem that the traditional feeding and discharging valve is low in sealing performance is solved.

The invention provides a power inversion device. The device includes a support framework and multiple power inversion modules, wherein the multiple power inversion modules are disposed at a distance from each other in the support framework, and the power inversion modules are mixed silicon carbide power modules. The power inversion modules employ the mixed silicon carbide power modules, an encapsulation dimension is small, loss is low, and miniaturization and lightweight of the entire modules can be improved. The problem that an inverter is large in volume in the prior art is solved.

The invention discloses a projection light source and projection equipment, and belongs to the technical field of photoelectricity. A light combination lens in the projection light source comprises a reflection area and two transmission areas located on the two sides of the reflection area respectively; a fluorescent wheel comprises a first area and a second area, and a light diffusion part is arranged on the second area; a laser is used for emitting multiple laser beams, and the multiple laser beams are emitted to the two transmission areas of the light combination lens, so that the laser beams are transmitted to a convergent lens; the convergent lens converges the laser to the fluorescent wheel; the fluorescent wheel is configured to rotate around a rotating shaft, and different areas in the fluorescent wheel are irradiated by the converged laser in the rotating process of the fluorescent wheel; the first area is excited to emit laser, and fluorescent light passes through the convergent lens and is emitted to the reflection area; the light diffusion part of the second area diffuses the converged laser, and the diffused laser passes through the convergent lens and is emitted to the reflection area; and the reflection area reflects incident light in a target direction. The problem that the projection light source is large in size is solved. The projection light source is used for emitting light.

The invention belongs to the technical field of optics, and discloses a laser transmitting antenna, which comprises a metamaterial reflector, a parabolic reflector, an incident window and an emergentwindow. The metamaterial reflector and the parabolic reflector share the same focal point; the incident window is embedded in the parabolic reflector; and a substrate layer of the metamaterial reflector serves as an emergent window. The problem that in the prior art, the size of a laser transmitting antenna is large is solved, the overall axial length of the transmitting antenna can be shortened,and a smaller size is achieved.

The present invention discloses a camera module motor, a camera module and an electronic device. The camera module motor comprises a housing, an upper spring, a lens carrier, a coil, a lower spring and a pedestal; the housing and the pedestal are embedded to from a hollow holding cavity, the upper spring, the lens carrier, the coil and the lower spring are located in the holding cavity, and a lens is held in the lens carrier, wherein the magnet yoke of the housing has magnetic property. Because the magnet yoke of the housing has magnetic property, the magnet yoke is able to provide a required magnetic field for the coil; when the coil is flowed by current in a certain size, the lens carrier winding the coil may carry the lens to move in the magnetic field provided by the magnet yoke to realize the focusing function of the camera module; and therefore, the camera module motor, camera module and electronic device are able to solve the problem that the size of the camera module motor is large caused by the large space occupied by the magnet, reduce the numbers of parts of the camera module motor and simplify the assembly process of the camera module motor with no need for an individually arranged magnet.

The invention discloses a steering device, which comprises a driving portion, a rotating portion and a rotating shaft. The driving portion is provided with an output shaft, and a taper worm is arranged on the output shaft and is capable of rotating through the output shaft. Teeth are arranged at the edge of the upper side of the rotating portion and meshed with the taper worm. The rotating shaft is arranged on the rotating portion and is far away from one end, with the edge provided with the teeth, of the rotating portion, the structural design enables the rotating portion to rotate around the rotating shaft, and the teeth can rotate around the axis of the rotating shaft when the rotating portion rotates. By the aid of the structural design, steering operation of a car lamp is realized by means of primary transmission of the taper worm and the rotating portion, so that the steering device is high in transmission precision and capable of solving the problem of large size of a rotary actuator in the prior art.

The phase change heat exchanger comprises an evaporator and a condenser which communicates with the evaporator and is located above the evaporator, and the evaporator and the condenser are arranged at a preset obtuse angle. In the actual application process, the evaporator and the condenser of the heat exchange core body are designed to be arranged at the preset obtuse angle, the space in the thickness direction of the inner cavity of the shell of the phase change heat exchanger can be fully utilized, the span in the connecting direction of the evaporator and the condenser is reduced, and then the overall size of the phase change heat exchanger can be reduced.

The invention discloses a miniaturized electrical connector for a circular network. The miniaturized electrical connector is composed of contact pins, jacks, upper insulators of the contact pin, lower insulators of the contact pin, upper jack insulators, lower jack insulators, a metal baffle, a plug shell, locking rings, a socket shell, a seal ring, a tail cover, a set screw, a cable clamp, a screw and a gasket, wherein contacts consist of the contact pins and the jacks, a group of contacts and another group of contacts are separated by the metal baffle, the insulators of the contact pin filled with a certain amount of contact pins can be fixed in the socket shell to form the plug together with the locking ring and can be fixed in the socket shell to form the socket; the jack insulators filled with a certain amount of jacks can be fixed in the plug shell to form a plug together with the locking ring and can be fixed in the socket shell to form the socket; after the metal baffle of the electrical connector for the network is installed, the miniaturized electrical connector can be used for the transmission of a differential signal or the simultaneous transmission of the differential signal and a power supply signal, therefore the problem that the electrical connector for the network differential signal is miniaturized can be solved.

The invention relates to an electric screwdriver. The electric screwdriver comprises a shell, a main shaft, a screwdriver blade box and a control mechanism. The main shaft is provided with an annular groove. The control mechanism comprises a first sleeve, a second sleeve, spherical beads and a third sleeve. The first sleeve is connected to the main shaft in a sleeving mode. The second sleeve is connected between the main shaft and the first sleeve in a sleeving mode. The spherical beads are arranged between the main shaft and the second sleeve, and part of each spherical bead is pressed by the second sleeve in the annular groove. The third sleeve is arranged inside the shell and connected to the main shaft in a sleeving mode, a through hole is formed in the third sleeve, and the spherical beads are arranged inside the through hole. The first sleeve can drive the second sleeve to move in the axial direction of the main shaft, and the second sleeve selectively presses or loosens the spherical beads in the movement process, and can drive the main shaft to move after the spherical beads are loosened. The control mechanism of the electric screwdriver is compact in integral structure and small in size, and the problem that an existing electric screwdriver with a built-in screwdriver blade box is large in size is solved.

The invention discloses a camera module motor, a camera module and an electronic device, wherein the camera module motor comprises a housing, an upper elastic sheet, a lens carrier, a coil, a lower elastic sheet and a pedestal; the housing and the pedestal are embedded to form a hollow holding cavity; the upper elastic sheet, the lens carrier and the lower elastic sheet are positioned in the holding cavity; a lens is held in the lens carrier; the coil is wound on the surface of a lens shell, and is positioned between the lens shell and a dustproof retaining wall of the housing; and the dustproof retaining wall of the housing has magnetism and can provide a magnetic field required by the movement for the coil, thereby realizing a focusing function of the camera module; and thus, a magnet does not need to be arranged in the holding cavity individually, and the problem of relatively large size of the camera module motor due to relatively large space occupation of the magnet is solved. And meanwhile, the coil is wound on the surface of the lens shell and is positioned between the lens shell and the dustproof retaining wall of the housing, so the size of the camera module motor is further reduced.

The invention relates to the technical field of mechanical equipment, and particularly discloses a plastic granulator. The plastic granulator comprises a mounting base and a granulator main body. A feeding hole is formed in the upper end of the granulator main body. A protection shell used for installing a driving motor is arranged on the left side of the granulator main body. The output end of the driving motor is connected with a driving gear. The upper end of the driving gear is provided with a driven gear meshed with the driving gear. The axis position of the driven gear is connected witha driven rod through a bearing. One end of the driven rod extends into the granulator main body and is connected with a plurality of crushing blades. The axis position of the driving gear is connectedwith a driving rod through a bearing. One end of the driving rod extends into the granulator main body and is connected with a plurality of crushing blades. According to the plastic granulator, the two sets of crushing blades which are arranged in parallel are driven by the driving motor to carry out crushing and granulation on materials, so that the crushing efficiency is effectively improved, and the problems that more resources are consumed and the size of equipment is large due to the fact that a plurality of motors are adopted to drive a granulator are solved.

The implementation method of the device capable of automatically rotating and switching multiple paths of signals comprises the following steps: connecting the circular connector with external test equipment; connecting a plurality of micro-rectangular electric connectors with external products to be tested, wherein each micro-rectangular electric connector corresponds to one product to be tested to form a station 1 to a station N; selecting the number of a station 1 where a to-be-tested product is located through the station selection button, then enabling the single-chip microcomputer MCU to control the stepping motor to start to rotate after the OK button is pressed, and controlling the stepping motor to stop rotating when the stepping motor rotates to the set station, so that at the moment, a signal link formed by the test equipment, the circular connector, the micro-rectangular electric connector and the product to be tested is formed, and the test equipment completes the test of the product at the station 1; and testing the products from the station 2 to the station N in sequence according to the steps. The device is small in size and flexible to install and use, circuits are in one-to-one correspondence, and the troubleshooting complexity is low. The problem that an existing multi-station relay switching device is large in size is solved.

The invention discloses a lighting device and laser projection equipment, and belongs to the technical field of laser. The lighting device comprises a lens assembly, a reverse total internal reflection prism assembly and a light valve which are sequentially arranged in the light path direction of the lighting device. The lens assembly comprises a first lens and a second lens which are sequentially arranged in the light path direction, after the first lens receives a light beam, the light beam is guided to the second lens, the second lens guides the received light beam to the reverse total internal reflection prism assembly, the light beam is output to the light valve through the reverse total internal reflection prism assembly, and the light valve outputs the received light beam to a camera; the reverse total internal reflection prism assembly comprises a reverse total internal reflection prism and a compensation prism located on the incident surface of the reverse total internal reflection prism, and the compensation prism is used for reducing the spot size of the incident beam. The problem that the size of the lighting device is large in the prior art is solved, and the effect of reducing the size of the lighting device is achieved.

The invention relates to an automatic changeover switch controller circuit. A voltage signal conditioning module contains a common voltage signal conditioning module and a standby voltage signal conditioning module. A common-standby conversion module contains a common power selection module, a backup power selection module, a common-backup power selection module, a common-backup conversion control module and a motor which are successively connected. A phase line A of the common voltage signal conditioning module is successively connected in series with a resistor R1, a resistor R5, an operational amplifier U1A, a resistor R13 and a capacitor C1. A resistor R9 is connected between a pin 2 and a pin 1 of the operational amplifier U1A. The other end of the capacitor C1 is grounded, and an AD converter AD1 is connected between the resistor R13 and the capacitor C1. According to the automatic changeover switch controller circuit provided by the invention, three relays are combined for use. The circuit is simply designed and has high reliability. The defect that the volume of a voltage transformer is large, cost is high and electrical characteristics of an optical coupler are highly influenced by environment temperature is solved.

The invention relates to the technical field of mobile communication product glue blending equipment, and discloses intelligent glue blending equipment for bonding plastic pieces of mobile communication products. The equipment comprises an input shaft, wherein a first connecting plate is movably connected to the top end of the input shaft, a second connecting plate is movably connected to the outer side of the input shaft, a first shell is movably connected to the interior of the second connecting plate, a third connecting plate is movably connected to the interior of the first shell, and a fourth connecting plate is arranged on the lower side of the third connecting plate. According to the intelligent glue blending equipment for bonding the plastic pieces of the mobile communication products, through connection of the input shaft and the third connecting plate, the problem that existing glue blending equipment is large in size is solved, the size of the equipment is effectively reduced, the amount of glue blended at a time is reduced, glue waste is avoided, the purposes of energy conservation and environmental protection are achieved, the equipment utilization rate is greatly improved, the electromagnetic induction principle is utilized, blockage is avoided, and use is convenient.

The invention relates to the technical field of handheld equipment charging, in particular to a switching adapter, a hand-held terminal and a double-charging type hand-held device. The switching adapter is used for enabling a handheld main body to be electrically connected with a charging base, a terminal side electric connection mechanism electrically connected with the handheld main body is arranged on one side of the switching adapter, and an electric base side electric connection mechanism electrically connected with the charging base is arranged on the other side of the switching adapter.And the electric base side electric connection mechanism is electrically connected with the terminal side electric connection mechanism. The invention provides a switching adapter, a hand-held terminal and a double-charging type hand-held device. The problem is solved that the overall size of the device is large due to the fact that a terminal side electric connection mechanism and a socket end side electric connection mechanism are distributed at two positions.

The invention discloses an air purifier which comprises a reaction tank, an ozone generator, a charging opening and an exhaust opening, wherein the reaction tank is positioned at the bottom of the purifier; the ozone generator is installed on the side wall of the purifier and is used for generating ozone and conveying the ozone into the reaction tank by a connecting pipe; the charging opening is arranged at the top of the purifier, is positioned above the reaction tank and is used for adding a purifying agent into the reaction tank, and the purifying agent generates a reaction in the reaction tank under the action of the ozone to generate purified gas; and the exhaust opening is arranged at the top of the purifier. By applying the technical scheme, the purifying agent can be directly added into the reaction tank by the charging opening, thereby saving a pot of the purifying agent and decreasing the volume of the purifier so as to save the cost.