66results about How to "Achieve manipulation" patented technology

This invention provides one single fiber light nipper melt process method to catch and operate arc micro structure for micro object, wherein, it processes one end of light fiber with arc micro structure light fiber; other end of fiber is coupled to micro light; the laser is reflected from fiber needle to form focus field to form stable three dimensional position well to realize single fiber light nipper.

The invention discloses a firefighting alarm control cabinet provided with a data collecting-protecting device, belonging to the firefighting safe field. The firefighting data collecting-protecting device of the invention comprises a cabinet body and a firefighting alarm controller, a collecting main-board and a data storing device which are arranged in the cabinet body. The collecting main-board is connected with the data storing device and is used for transmitting the collected exterior data to the data storing device for storage. The data storing device is arranged in a high-temperature resistant data protector. The invention can be used for the storage and backup of video data of firefighting management conditions and key parts and operation data of various firefighting devices as an important tool for monitoring and inspecting the daily firefighting management work. After fire, the invention can redisplay the whole process of the fire to learn about the site video, electric line loads and operation of firefighting devices so as to provide the actual and objective evidence for analyzing fire cause and deciding responsibilities.

The invention belongs to the technical field of flying automobiles, in particular to a flying automobile with folding wings for vertical take-off and landing, which comprises a body, a folding wing, atail wing, a power system, a transmission mechanism and a landing gear. The power system is composed of a rotor duct system, a tail propeller and a pitch mechanism. The rotor duct system comprises four sets of coaxial dual rotor ducts. The invention solves the technical problems of long take-off and landing distance of flying vehicles, high requirements on take-off and landing sites, low liftingefficiency, high fuel consumption and insufficient stability of ducted rotor flying vehicles in the prior art. Higher lift acquisition rate, lower fuel consumption, higher reliability, higher safety,and lower cost.

The invention relates to an ultrasonic standing wave type microfluidic chip and a manufacturing method thereof. According to the chip, particles or cells are controlled, captured and separated in ultrasonic standing waves by PLGA-PEI microspheres or PLGA short nanofiber lines in a chip channel. The method comprises the steps that 1, the PLGA microspheres are synthesized through a double emulsion method and then modified by polyethyleneimine; 2, a PLGA nanofiber membrane is prepared through an electrostatic spinning method and then homogenized to obtain the short nanofiber lines; 3, the ultrasonic standing wave type microfluidic chip is manufactured. According to the chip, the particles or cells can be effectively controlled, the manufacturing process is simple, cost is low, the very high controllability and operability are achieved, and a wide application prospect is achieved.

The invention relates to a clamping device (1) for a machine tool (2) for machining at least one dental workpiece (3), wherein the clamping device (1) has at least one workpiece carrier (4) for accommodating the dental workpiece (3) during machining, wherein at least one tool holder (5) for holding at least one, preferably a plurality of cutting tools (6) for machining the dental workpiece (3) is arranged, preferably fixedly, on the workpiece carrier (4) and the workpiece carrier (4) and the tool holder (5) are fastened or fastenable together as one component on a carrier of the clamping device (1) in an exchangeable manner by means of a fastening device (7) that is non-destructively releasable, preferably without a tool.

The invention relates to the technical field of vehicle automatic transmission development, in particular to a brake for an automatic transmission. The brake for the automatic transmission comprises a box body, pistons, a hinge pin, a sealing ring, friction plates, steel sheets, disk springs, pressing plates and bolts. The steel sheets are connected with the box body through the hinge pin. The friction plates are connected with a rotating shaft of a component to be braked through internal splines. The disk springs are arranged between the steel sheets, the steel sheets are connected with the box body through the hinge pin to transmit torque, and therefore when the torque is transmitted, resetting of the pistons is achieved through the disk springs. In addition, the purpose that the intervals of the frication plates are equal is guaranteed through the disk springs, so that the idler loss of the friction plates is effectively reduced, the efficiency of the automatic transmission is improved, and the service life of the brake is prolonged. When the brake for the automatic transmission is used, separation and reunion of the brake are achieved through oil blast and oil discharging of an oil cylinder, and therefore manipulation of the automatic transmission is achieved.

The invention relates to a grip head for an earth boring unit, comprising a hollow shaft (3), wherein a sleeve (1) is arranged coaxially on the hollow shaft (3) to slide relative thereto, said sleeve having at least one end region (1b) widening particularly at the bottom thereof particularly in the form of a cone and at least two clamp jaws (2) which can be displaced radially relative to the hollow shaft (3) are arranged in the hollow shaft (3) and / or on the sleeve (1), comprising stop faces (2b) cooperating with the widening end region (1b), such that on movement of the end region (1b) over the clamp jaws (2) said jaws may be pressed inwards and a first tensioning mechanism and form a first tensioning device for an upper end of a casing (9) which may be introduced from below into the sleeve, in particular such that a cooperation between clamp jaws (2) and casing (9) permits transmission of a torque between ween the hollow shaft (3) and casing (9) and a second tensioning mechanism is provided in the hollow shaft (3), by means of which the introduced / introducible casing (9) may be fixed at the upper rend region thereof in the axial direction, in particular fixing a casing (9) in the axial direction against gravity relative to the grip head, wherein a flush tube (14) of supplying a flushing fluid is arranged coaxially in the hollow shaft (3) and fixed in rotation relative thereto the lower region of which is enclosed by an annular balloon (11) which may be pumped up with a fluid, in particular a liquid.

The invention discloses a method and system for preparing a direction-controllable bent optical bottle, and the method comprises the steps: simulating the interference between a plane wave and a circular Pearl vortex beam after the phase modulation of a parabolic trajectory through a computer, loading the amplitude and phase information of the beam to interference fringes, and acquiring a phase hologram and transmitting the phase hologram to a spatial light modulator; starting a helium-neon laser to emit a Gaussian beam which passes through a beam expander and a non-polarization beam splitting cubic mirror; after light is irradiated to the spatial light modulator, propagating the light through a 4f system to obtain a circular Pearl vortex beam after parabolic trajectory phase modulation; and transmitting the circular Pearl vortex beam under the parabolic trajectory phase effect in undisturbed air, so that the circular Pearl vortex beam can be transmitted along the preset parabolic trajectory, and a three-dimensional bent light bottle is spontaneously formed in the transmission process. The direction of the bent light bottle can be controlled, and the higher freedom degree is achieved in the aspect of capturing and controlling particles.

The invention relates to a remotely-controllable indoor machine control system for a building interphone. The control system comprises a pedestal, wherein a control unit A, a switch entrance guard unit, a voice talkback unit A, a call unit, a storage unit, an induction unit and a display device are arranged on the pedestal; the control system further comprises mobile terminal equipment, and the mobile terminal equipment is provided with a control unit B, a receiving unit and a voice talkback unit B, wherein the call unit on the pedestal is matched with the receiving unit on the mobile terminal equipment, and the induction device controls startup of the call unit; the mobile terminal equipment is connected to the pedestal through a communication signal, so that the data transmission of the pedestal, the mobile terminal equipment and the outside can be realized. The control system has the beneficial effect that the control system can remotely call and control the indoor machine through the mobile terminal equipment.

The invention discloses a silicon trimer nano optical tweezer structure and a nano particle capturing and moving method. The silicon trimer nano optical tweezer structure comprises a silicon substrateused for absorbing joule heat generated in a laser light field; a silicon trimer located on the substrate and used for acting with the laser to form a local electric field and capturing the nanoparticles; and a planar light wave used for acting with the silicon trimer to generate an evanescent field. The electric field enhanced distribution of the nanoparticles in the light field where the silicon tripolymer nano optical tweezer structure is located is calculated, and the minimum size and the capture position of the captured nanoparticles can be quantitatively analyzed through light-gatheringpower and potential energy. The change of the hot spot position in the silicon trimer can be realized by changing the polarization of the laser, so that the capture position of the nano-particles inthe silicon trimer is changed, and the function of moving the nano-particles in the silicon trimer is realized. Nanoscale microcosmic particle manipulation is achieved, and the method can be applied to manipulating chiral particles to conduct nanoscale measurement.

The invention discloses a gear control device used for an engineering machinery. The gear control device comprises a gear selector, gear change electromagnetic valves and relays of which the number is the same with that of the gear change electromagnetic valves, wherein the control ends of the relays are respectively connected with the output branches at the output end of the gear selector, and the output ends of the relays are respectively connected with the controlled branches of the gear change electromagnetic valves. The device realizes the protection to the gear selector on the circuit, and can prevent the gear selector from the burning loss phenomenon in the use process, thereby avoiding the random-gear or zero-gear failure. The invention also discloses engineering machinery comprising the gear control device.

The invention discloses a car control device based on a mobile boarding bridge. The car control device comprises a monitoring display terminal (1), a walking controller (2), a butting positioning controller (3), an engine (4), a rotary speed sensor (5), a forward and backward solenoid valve (6), an airport pickup telescopic solenoid valve (7), an airport pickup lifting solenoid valve (8), a turnover motor (9), a speed reducing switch (10), a stop switch (11) and a camera (12), wherein the monitoring display terminal (1) is connected with the walking controller (2) and the butting positioning controller (3) through flat cables; and the walking controller (2) is connected with the engine (4) through a lead wire. According to the car control device, multiple functions of proportional valve control, safety protection, fault alarming, environment monitoring and the like are achieved, the equipment resources are saved, and the work efficiency is improved.

The invention belongs to the field of preparation of nanometer functional materials, and particularly relates to a stepwise photocatalysis method for preparing an AgTPPS4 / AgNPs / ng-C3N4 nitride nanosheet composite material, wherein C3N4 is a photocatalyst, silver nitrate is illuminated by ultraviolet visible light and subjected to catalytic reduction for the first time to become silver ions undernitrogen protection at the room temperature, and a silver / ng-C3N4 composite material is formed. Later, at the room temperature and under the nitrogen protection and a stirring condition, the composite material is illuminated by ultraviolet visible light for the second time and subjected to photocatalyzed synthesis to obtain the AgTPPS4 / AgNPs / ng-C3N4 composite material. The obtained nanometer composite material has the advantages of great dispersity, high catalyzation, excellent stability and the like, and is used for high-sensitivity electrochemical detection of ractopamine.

A spherical sealing type two-dimensional degree-of-freedom operating lever comprises a shell, and a metal spherical surface sealing mechanism, an X-axis rotating mechanism, a Y-axis rotating mechanismand an angle sensor used for detecting angle position information of the X-axis rotating mechanism and the Y-axis rotating mechanism are installed on the shell. The metal spherical surface sealing mechanism comprises a metal spherical surface connecting rod used for being fixedly installed on a panel on the shell, one end of the metal spherical surface connecting rod is a hollow hemispheroid, andthe hemispheroid is installed on the panel through a sealing bush and a sealing ring; an inner rotating frame used for being matched with the metal spherical surface sealing mechanism and a base usedfor being matched with the X-axis rotating mechanism and the Y-axis rotating mechanism are installed in the shell, and a switching rotating shaft is fixedly connected to the metal spherical surface connecting rod and rotationally installed on the inner rotating frame. The operating lever is reasonable in design, capable of effectively reducing zero-position shaking, safe, reliable, long in service life, resistant to mould and solar radiation and capable of being suitable for various severe environments through a metal spherical surface sealing mode.

The present invention relates to a hand-held machine tool. The hand-held machine tool equipped with a driven shaft, a tool receiving portion being arranged at the driven shaft and provided with a locking sleeve. The tool receiving portion is provided with at least one internal receiving unit for receiving a plug-in tool. The tool receiving portion is provided with at least one locking element can be loaded by the locking sleeve.The at least one locking element is arranged on the tool receiving portion penetrate the opening so as to allow said at least one locking element is fitted at least to the inner section receiving at least a portion of the tool receiving portion in the locked state. The at least one locking element is smaller than the minimum radius of the penetrating opening by the locking sleeve along the radial direction of the tool receiving portion of the portion of the maximum coverage.

Provided is an e-exponential type nonlinear nano-metal taper probe high in spatial resolution, high in sensitivity and capable of producing a strong longitudinal polarizing electric field and adjusting the intensity of the electric field. The probe is composed of an e-exponential type nonlinear nano-metal taper structure. When incident light (especially radially polarized light) is irradiated to the bottom surface of the e-exponential type nonlinear nano-metal taper probe, surface plasmons are excited from the metal surface and are propagated along the curved surface of a nonlinear nano-metal taper and compressed to the top end to form highly and locally reinforced electromagnetic field distribution, and accordingly strong nano focusing is obtained. The probe can be used for scanning near-field microscopes, atomic force microscopes and other scanning probe microscopes and needle-enhanced Raman spectrometers and has the important application value in the multiple fields such as single-molecule imaging, heat-assisted magnetic recording, nano sensing, nano imaging, nano photoetching and nano control.

The invention discloses an electrohydraulic control gearshift device for a tractor. The electrohydraulic control gearshift device for the tractor comprises a shifting fork and is simple in structure.The electrohydraulic control gearshift device for the tractor is applied to solving the executing part of gearshift. In China, tractors commonly use mechanical gearshift mechanisms. If power gearshiftmechanisms at abroad are used, the conventional tractor structure will lose the original characteristics, and high price tractors will bring huge using cost to national economy. The research key point is how to control the conventional tractors by means of comprehensive characteristics of machinery, electricity and hydraulicity to fully complement shortcomings of machinery, electricity and hydraulicity effectively. The device is a novel product researched without changing the structure of the conventional tractor. Conventional shifting fork, shifting fork shaft, lever and the like are replaced by the electrohydraulic control gearshift mechanism, so that power gearshift can be achieved. Tractors can be updated by additionally mounting data detection, operation and remote control units, sothat automation and intelligence are achieved.

The present invention discloses a method and a device for changing a laser focusing light spot space direction, belonging to the field of laser material processing. The method performs spatial chirp for a laser beam prior to focusing for the laser beam to change an aspect ratio of a light beam to control the inclined angle of the focusing light spot and change the direction of the light beam spatial chirp to change the direction of the focusing light spot inclination. The present invention discloses a device for achieving the method. Through change of the spatial chirp direction of the light beam and the aspect ratio of the light beam, the directions of the two spaces of the laser focusing light spot are controlled so as to solve the technical problem that the distribution of the focus point optical field cannot be accurately controlled and have wide application prospection in the laser accurate and fine processing field.

The invention discloses a seatbelt-retracting device. The device is provided with a core shaft and a main drive spring which pushes the core shaft in a retracting direction of the seatbelt, and a ratchet wheel rotatably linkage with the core shaft, and a blocking device with a locking lever for blocking a rotational movement of the ratchet wheel in the retracting direction, and a compensating spring arranged such that when the ratchet wheel is blocked, the compensating spring transmits to the core shaft a prestressing force counteracting the prestressing force of the main drive spring. The blocking device has a control lever for operating the locking lever, wherein the control level rotates around a rotation shaft arranged in parallel with an axis of the core shaft, and has a first engagement element and a second engagement element which are engagable on at least one gauge finder of a torque-resistant actuator disk which is connected with the core shaft. Any part of the core shaft has at least one of the engagement elements which is engaged at the gauge finder of the actuator disk, or accurately, another engagement element is arranged which is engaged on at least one gauge finder of the torque-resistant actuator disk which is connected with the core shaft.

The invention discloses an offshore high-pressure escape system, which comprises a life and escape dual-purpose cabin, a main control room unit and an emergency control room unit, and is characterized in that the dual-purpose cabin comprises a base, a cabin body, a counterweight, a main control butt joint plate, an emergency control butt joint plate, an emergency power supply and a plurality of emergency gas cylinders; the main control room unit and the emergency control room unit are arranged on a working mother ship, the main control room unit is connected with the main control butt-joint plate through a pipeline, and the emergency control room unit is connected with the emergency control butt-joint plate through an umbilical cord. According to the escape system, the life and escape dual-purpose cabin is adopted, the escape time is saved, the personal safety of divers in the cabin can be better guaranteed, the position of the water line on the outer side of the cabin body is reasonably adjusted through the counter weight, the stability of the cabin body floating on the sea surface in an emergency is improved, and the emergency gas cylinders and the emergency power supply supply gas and power to the dual-purpose cabin in emergency, so that the consumption demand of the diver is ensured, and the escaping diver has enough time to wait for rescue.

The invention discloses a temperature detection device equipped with a mechanical filter, including a filter, a temperature sensor, a control circuit and a housing. The filter includes an energy storage part suitable for heat storage, a protruding part on the energy storage part, and flaky fin parts. The protruding part at least protrudes from the upper surface of the energy storage part. The finparts are arranged on at least one surface of the energy storage part, and the fin parts are in thermal contact with and fixed to the energy storage part. A blind hole shaped temperature measuring part with the upper end closed is arranged inside the protruding part. The temperature sensor is assembled together with the temperature measuring part to detect the temperature of the blind end of the temperature measuring part. Through the flow of fluid, ultralow-frequency disturbance signals with the period up to a number of minutes are produced. The temperature detection device filters the ultralow-frequency disturbance signals through the mechanical filter, and accurately detects the temperature of fluid. Therefore, there is no interference of disturbance signals during heat treatment. The amplitude of fluctuation of fluid temperature is very small. The temperature of fluid can be easily stabilized at a set value, the time for temperature stabilization is short, and energy can be saved.

The invention relates to an air pressure micromanipulation system and method for a micron-sized particle sample. The method comprises the following steps: firstly, fixing a hollow glass needle tip ona clamping rod of a microcontroller; finding a single particle sample to be extracted on the sample table on which the particle sample is placed by using a microscope; starting negative pressure provided by the air pressure system to capture a sample to the tip end of the needle tip, releasing a single particle sample adsorbed by static electricity by utilizing pulse positive pressure after the sample table is replaced, and recording, regulating and controlling the whole sample moving and operating process by utilizing the microscopic observation and imaging system. The method is simple, efficient, high in success rate and suitable for various solid materials and minerals, and well solves the problem of transfer and control of single particles of the micro-sized rare samples. The system issimple in structure and easy to build, and can be widely applied to the fields of biology, materials, geology and planetarium.

The invention discloses a method for synthesizing a PbTio3 / RGO composite material through photocatalysis, PbTio3 is used as a photocatalyst, and under the protection of nitrogen and ultraviolet light-visible light irradiation, graphene oxide (GO) is reduced into graphene (RGO) through photocatalysis to form the PbTio3 / RGO nano composite material which is combined by a Ti-O-C bond to provide an electron rapid transfer channel. The invention also discloses a PbTio3 / RGO / GCE modified electrode and application of the PbTio3 / RGO / GCE modified electrode in a high-sensitivity electrochemical detectionmethod for pyrrole. The synthesis method disclosed by the invention is simple, raw materials are easy to obtain, the price is low, the method has relatively high practical value, and the obtained nanocomposite material is good in electrical conductivity, high in catalytic performance and good in stability, and can be used for preparing the PbTio3 / RGO / GCE modified electrode for high-sensitivity electrochemical detection of pyrrole.

The invention discloses a pneumatic layout for improving the transverse lateral coupling characteristics of a hypersonic flight vehicle. The surface symmetrical lift-drag ratio pneumatic layout adopting the design comprises wings (1), a fuselage (2), V tails (3), V tail trailing edge rudders (4), wing trailing edge rudders (5) and a ventral fin (6), wherein the wings (1) are symmetrically installed under the fuselage (2), the V tails (3) are symmetrically installed on the rear portion of the fuselage (2), the ventral fin (6) is installed at the rear portion of the bottom of the fuselage (2), the rear edges of the wings (1) are provided with the wing trailing edge rudders (5), the rear edge of the V tail (3) is provided with the V tail trailing edge rudders (4), and the wing trailing edge rudders (5) and the V tail trailing edge rudders (4) are pneumatic operation control surfaces. By adopting the pneumatic design, the lateral instability caused by the rolling operation coupling effectunder a large attack angle of an existing pneumatic layout can be very effectively eliminated, so that the closed-loop stability in the transverse lateral direction under the large attack angle is improved.

The invention relates to a clutch arrangement for engaging a drive axle in a multi-axle driven motor vehicle. The clutch arrangement comprises an externally controllable friction clutch 3 having a clutch input part 6 that can be rotationally driven by a rotary axis A, and having a clutch output part 8; and a differential gearbox 4 having an input element 15 and two output elements drivingly connected to the input element 15, wherein the input element 15 of the differential gearbox 3 is disposed coaxially to the clutch output part 8 and can be drivingly connected to the clutch output part 8 for transferring a torque. The invention further relates to a drivetrain arrangement having such a clutch arrangement.

The invention discloses a temperature measuring device with a filtering device, which comprises a temperature sensor, a control circuit and a mechanical filtering device. The filtering device comprises a columnar energy storage part and flaky first fin parts. The first fin parts are arranged on at least one surface of the energy storage part, and the first fin parts are in thermal contact with andfixed to the energy storage part. The energy storage part is provided with a temperature measuring part which extends along the axis of the energy storage part and is shaped as a blind hole. The temperature sensor is assembled together with the temperature measuring part, and detects the temperature of the blind end of the temperature measuring part. Heat treatment is carried out on fluid to forma natural convection flow field. Through the flow of fluid, ultralow-frequency disturbance signals with the period up to a number of minutes are produced for temperature detection. The temperature measuring device of the invention can filter the ultralow-frequency disturbance signals through the mechanical filtering device and accurately detect the temperature of fluid. Therefore, there is no interference of disturbance signals during heat treatment, the amplitude of fluctuation of fluid temperature is very small, the temperature of fluid can be easily stabilized at a set value, the time is short, and energy can be saved.

The invention discloses a pair of aneurysm clamp holding forceps, which comprises a clamp holding forceps body, according to the invention, the snake-shaped arms are arranged on the clamp holding forceps main body; the snake-shaped arm is formed by splicing a bottom joint, a plurality of middle joints and a top joint; ball knots are fixedly arranged at the top of the bottom joint and the top of the middle joint; the bottoms of the middle joint and the top joint are both fixedly provided with ball joint containing grooves, the snake-shaped arm can be adjusted to any angle flexibly and conveniently, meanwhile, the angle of a forceps head can be adjusted through a double-lug nut, and the defects that an existing clamp holding forceps head is not flexible enough and cannot rotate are overcome.The bottom joint, the middle joint and the top joint are all internal hollow pipes, so that the overall weight is reduced, and meanwhile, the manufacturing cost is reduced. By arranging the operatingmechanism below the bottom joint, the forceps head can be operated at the far end, the view limitation in the operation process can be effectively avoided, and popularization and promotion are facilitated.

The invention discloses a temperature detection device equipped with a mechanical filter, which comprises a filter, a temperature sensor, a control circuit and a casing. The filter includes an energy storage part suitable for heat storage, a protruding part arranged on the energy storage part and a sheet-shaped fin part, and the protruding part at least protrudes from the upper surface of the energy storage part. Fins are provided on at least one surface of the energy storage part, and the fins are in thermal contact with and fixed to the energy storage part. The inside of the raised part is provided with a blind hole-shaped temperature measuring part with a closed upper end, and the temperature sensor is assembled with the temperature measuring part to detect the temperature of the blind end of the temperature measuring part. The flow of the fluid generates an ultra-low frequency disturbance signal with a period as high as several minutes. The temperature detection device filters out the above-mentioned ultra-low frequency disturbance signal through the assembled mechanical filter, and accurately detects the temperature of the fluid. In the heat treatment, no Disturbance signal interference, the fluctuation range of the fluid temperature is extremely small, it is easy to be stabilized at the set value, and the time for temperature stabilization is short, which is beneficial to save energy consumption.

The invention discloses a method and a device for controlling an IOS terminal by a computer terminal, an intelligent terminal and a storage medium, the method comprises the following steps: acquiring mouse data of the computer terminal, the mouse data comprising a key state and coordinate data; obtaining an IOS version of the IOS terminal; if the IOS version is greater than or equal to a set threshold value, converting the coordinate data into an IOS coordinate set for an IOS terminal based on a coordinate mapping table, the IOS coordinate set comprising a plurality of pairs of IOS coordinates; the key state and the IOS coordinate set are transmitted to the IOS terminal; otherwise, acquiring the screen orientation of the IOS terminal; based on the screen orientation, converting the coordinate data into IOS coordinates for an IOS terminal; and transmitting the key state and the IOS coordinate to the IOS terminal. Compared with the prior art, the IOS terminal can be operated through the mouse of the computer terminal, and the IOS terminal can be simply and safely controlled by the computer terminal.

The invention provides an automobile gear shifting switch. The automobile gear shifting switch comprises a shell, a control assembly, a gear shifting assembly and an audio adjusting assembly; the gearshifting assembly comprises an end cover, a gear shifting disc, a gear shifting shaft and a transmission, the gear shifting shaft is sleeved with a limiting disc, and limiting reinforcing ribs are arranged on the limiting disc; the audio adjusting assembly comprises an adjusting rod and a limiting sleeve, the limiting sleeve is connected with the shell, and multiple signal control contacts are arranged at the tail end of the adjusting rod and electrically connected with the control assembly; and the control assembly comprises a circuit board and a central processing unit, the circuit board isprovided with a fixing hole and a communication port, an automobile wire harness is connected to the communication port and electrically connected with the central processing unit, multiple assembling grooves are formed in the side wall of the circuit board, assembling columns are arranged on the inner wall of the shell, and the central processing unit is electrically connected with an automobileaudio part through a CAN bus. According to the automobile gear shifting switch, the structural stability is high, audio interface control can be achieved while gear control is achieved.