89results about How to "Reduce assembly complexity" patented technology

The present invention provides a power module and an internal positioning method thereof, comprising a main body, the main body comprising a substrate assembly, a copper frame and a chip; the copper frame and the chip are respectively connected to the substrate assembly; the copper frame comprises a first copper belt; the substrate assembly or the chip is provided with a limiting assembly that enables the first copper belt to be positioned correspondingly on the chip. The present invention limits the movement of the copper frame or the copper belt by adding a limiting piece on the surface of the insulating substrate or the surface of the chip, thereby playing a positioning role, and can prevent the copper frame or the copper belt from being unable to be accurately positioned when the copper frame or the copper belt is used for chip surface connection, resulting in a positional deviation from the center of the chip, thereby causing a short circuit problem.

The utility model provides a multifunctional automobile combination switch handle structure comprising a housing, in which a slide block button, a conductive rubber plate, a first circuit board, a first knob, a first contact bridge, a second circuit board, a third circuit board, a second contact bridge and a second knob are successively arranged along the length direction. The sliding block button is used for pressing the conductive rubber plate downwards and then making contact with a conductive contact on the first circuit board, the first rotary knob drives the first contact bridge to make contact with a conductive contact on the second circuit board, and the second rotary knob drives the second contact bridge to make contact with a conductive contact on the third circuit board. The first circuit board, the second circuit board and the third circuit board are connected through flexible wires to form a flexible circuit board assembly. According to the utility model, the structural design problem that related functions of the windscreen wiper are integrated on the left side handle is solved, and a complete windscreen wiper switch gear function can be set in a narrow handle arrangement space.

The invention discloses a novel vortex electronic water pump for a thermal management system of an electric vehicle. The novel vortex electronic water pump comprises a pump body sub-component, a motor body sub-component and a water pump motor controller, the vortex pump shell, the vortex pump waterproof sleeve and the motor shell are connected and fixed through five screws; and mechanism assembly of the pump body sub-component and the motor body sub-component is completed. A water pump motor controller is connected and fixed in a cavity at the rear end of a motor shell through screws, then a three-phase power supply terminal connecting line and a power supply connector terminal connecting line of a confluence plate binding post are welded and fixed with a circuit board of the water pump motor controller, and a rear cover and the motor shell are screwed and fixed through four screws. The vortex electronic water pump has the working characteristics of large flow, high lift, low noise, safety and reliability, is an energy-saving and environment-friendly high-tech product, and is particularly suitable for an electric vehicle thermal management system with higher requirements on modularization, light weight and integration; the vortex electronic water pump is compact in structure, good in sealing performance, low in cost and easy to assemble and maintain.

The invention discloses a battery box, which comprises: an enclosure frame assembly, which comprises a bottom plate and an enclosure frame arranged along the periphery of the bottom plate, and the enclosure frame and the bottom plate enclose to form a first inner cavity; the cross beam assembly is arranged in the first inner cavity and divides the first inner cavity into a plurality of first sub-cavities; and the cooling system comprises a first cooling unit arranged at the cross beam assembly and a second cooling unit arranged at the bottom plate. According to the battery box disclosed by the invention, the assembly of the cross beam is more convenient and faster, the assembly time is saved, and the strength of the cross beam assembly is also enhanced. The cross beam can play an original supporting and reinforcing role, circulation of a cooling liquid medium is achieved by modifying the internal structure of the cross beam, the cooling medium is conveyed into the cross beam through the first cooling unit, full-area flowing of the cooling medium from top to bottom is achieved through the specific internal structure of the cross beam, the heat exchange efficiency of the battery is improved, and the service life of the battery is prolonged. And the uniformity and comprehensiveness of battery heat exchange are improved.

The invention relates to a converter valve group and a direct current power transmission system. The converter valve group comprises a converter valve string and a cooling loop. The converter valve string comprises multiple stages of converter valve units which are sequentially connected in series in the first direction. The converter valve unit comprises a converter valve module and a damping loop. The converter valve module comprises a converter valve and a radiator arranged beside the converter valve. The damping loop is connected in parallel with the converter valve, and comprises a water-cooled damping resistor and a damping capacitor which are arranged in a second direction away from the converter valve and are connected in series. The second direction intersects the first direction. The cooling loop comprises a main cooling channel extending in the first direction, a first cooling loop communicated with the main cooling channel and the water-cooled damping resistor, and a second cooling loop communicated with the main cooling channel and the radiator. The size of the radiator can be reduced, the weight of the converter valve string can be reduced, and the reliability of the converter valve group can be improved, so that the structural stability and the insulation characteristic of the converter valve group can be improved.

The utility model relates to the technical field of vehicle parts, in particular to an assembly structure of an HUD cover and a front defrosting cover plate and a vehicle, the assembly structure comprises the front defrosting cover plate, the front defrosting cover plate is provided with a through hole for an HUD light path to pass through, the side wall of the front defrosting cover plate is provided with a positioning assembly, the positioning assembly comprises a positioning pin and a first fixing assembly, and the positioning pin and the first fixing assembly are arranged on the front defrosting cover plate. The positioning pin is installed on the lower side of the front defrosting cover plate, and a positioning hole is formed in the first fixing assembly. The front defrosting cover plate has the advantages that under the condition that the HUD function is not affected, the front defrosting cover plate has the functions of an HUD cover and the front defrosting cover plate, the structure is simple, and installation is convenient.

The present invention relates to a driving device, comprising a motor (30) and a planetary gearbox (80). The driving device comprises a cylindrical housing (10), a plurality of first radial connecting members (11), a plurality of second radial connecting members (12), a front end cover (21) and a rear end cover (31) accommodated in the housing (10). The first radial connecting member (11) passes through the housing (10) and is fixedly connected to the rear end cover (31), and the second radial connecting member (12) passes through the housing (10) and is fixedly connected to the front end cover (21). The planetary gearbox (80) and the motor (30) are respectively limited by the front end cover (21) and the rear end cover (31) and are fixedly accommodated in the housing (10), and are fixed to the housing (10) as a whole. The present invention positions the motor and the planetary gearbox by a common housing, thereby improving the coaxiality of the motor and the planetary gearbox; the housing, the motor and the planetary gearbox are fixed as a whole by radial connecting members, thereby reducing the assembly complexity of the driving device and simplifying the structure.

The utility model discloses an integrated carrying device and an unmanned aerial vehicle. The integrated carrying device comprises a radar support, a carrying bin and a rack which are sequentially connected from top to bottom. The radar support is used for installing a radar, and the carrying bin is used for installing a holder and an airborne computer. The radar support, the carrying bin and the rack are formed by integrally cutting carbon fiber plates, and hollow weight reduction areas are arranged on the radar support, the carrying bin and the rack. The utility model has the characteristics of compact structure, high space utilization rate, high reliability and the like, realizes extreme light weight on the premise of ensuring the structural strength, and modularizes the installation of the radar, the airborne computer and the pan-tilt in the vertical space, so that the installation, debugging and replacement of various task equipment are more convenient, and the installation cost is reduced. And a universal carrying platform with high integration level and high reliability is provided for the multifunctional unmanned aerial vehicle.

The top toy comprises an external rotation assembly, a first bearing, a first finger jacking part, a second bearing and a second finger jacking part, the first finger jacking part is rotatably connected with the external rotation assembly through the first bearing, the first finger jacking part is exposed out of one side of the external rotation assembly, the second bearing and the first bearing are coaxially and alternately arranged, and the second bearing and the first bearing are coaxially arranged. The second finger jacking part is rotationally connected with the external rotation assembly through the second bearing, and the second finger jacking part is exposed out of the other side of the external rotation assembly. According to the technical scheme, the first bearing and the second bearing are arranged to form a double-bearing structure, the first finger jacking part and the second finger jacking part can be installed separately, the first finger jacking part and the second finger jacking part do not need to be connected through a middle shaft, the structure is simplified, the assembling complexity is reduced, and the external rotation assembly can independently rotate relative to the first finger jacking part and can rotate relative to the second finger jacking part. Through the arrangement, the rotation flexibility and the rotation stability of the external rotation assembly can be effectively improved.

The utility model provides a mounting structure between a diffuser and a volute, which comprises the diffuser and the volute, external threads are arranged on the diffuser, internal threads are arranged on the side wall of an inner hole of the volute, the diffuser is arranged on the volute, and the diffuser and the volute are connected through matching of the external threads and the internal threads. According to the installation structure between the diffuser and the volute, the diffuser is provided with the external threads, the inner hole of the volute is provided with the internal threads, the diffuser is installed in the volute, and the diffuser and the volute are connected through the external threads and the internal threads, so that the problem that in the prior art, the diffuser and the volute are assembled through screws, and the assembly efficiency is high is effectively solved. And after the diffuser is assembled, the working surface of a diffuser plate is uneven, so that the flow loss and the efficiency reduction are caused. And meanwhile, the diffuser and the volute are assembled without other parts, so that the assembly complexity between the diffuser and the volute is reduced, and the assembly efficiency is improved.

This application relates to the field of electrical components, specifically to a filter; it includes a housing, a resonant cavity, several stub transmission plates, and a connector; the lateral extensions of adjacent stub transmission plates are connected at intervals by insulating connectors to form a main connector, the two ends of the main connector are electrically connected to the connector, and the lateral extensions of each stub transmission plate are staggered on both sides of the main connector and electrically connected to the sidewall of the resonant cavity; through this structure, the stub transmission plates form a continuous whole, effectively improving mechanical strength and resonant stability, simplifying assembly processes and reducing the number of solder joints; at the same time, the staggered arrangement of the main connector and the stub transmission plates improves the utilization rate of cavity space, which is conducive to realizing miniaturization and high integration design.

A gas spring mounting structure and connection structure, and a device having an opening and closing mechanism are disclosed. The gas spring mounting structure is used to connect the gas spring to the opening and closing mechanism. The first end of the gas spring is used to connect to the housing of the opening and closing mechanism. The gas spring mounting structure includes: a first support member with a first end face and a first hole in the first end face; a second support member with a second end face and a second hole corresponding to the first hole in the second end face; and a first threaded fastener, which is embedded in the second support member and the first support member through the second hole and the first hole to realize the disassembly and locking of the first support member and the second support member. The first threaded fastener is used to reduce the gap between the second support member and the first support member during the locking process, thereby gradually pre-tightening the gas spring. Furthermore, due to the existence of the gas spring mounting structure, no additional gas spring mounting fixture is required, avoiding the influence of the superposition of the tolerances of the fixture and the gas spring on the installation accuracy.

The utility model discloses a miniature light-weight seat backrest lock which comprises a metal lock box, a protective cover is installed on the surface of the metal lock box, positioning bolts are rotatably installed on the two sides of the protective cover, a first lock plate is rotatably installed on one side of the interior of the metal lock box, a second lock plate is rotatably installed on the other side of the interior of the metal lock box, and a locking groove is formed in one side of the metal lock box. A first limiting groove is formed in one side of the locking groove, a first extrusion part is arranged on one side of the first limiting groove, a second limiting groove is formed in one side of the second locking piece, and a second extrusion part is arranged on one side of the second limiting groove. The backrest lock has the advantages that through mutual transmission between the first locking plate and the second locking plate, after rotation, the side surface of the first extrusion part can be matched with the second limiting groove, the side surface of the second extrusion part can be matched with the first limiting groove, free opening and closing of the backrest lock are achieved, and the backrest lock is simple, compact, easy to operate and high in practicability. And not only is the assembly complexity in the manufacturing process reduced, but also the material cost and the production cost are effectively reduced.

The invention provides an eight-channel power division coupling module based on an air plate line. The eight-channel power division coupling module has the functions of transmitting a transmitted / received signal, sampling the signal and distributing the signal. In order to meet the requirements of high-power and low-loss transmission between the T / R assembly and the antenna unit, an air plate line is used as a main line of the coupler; in order to meet the light and thin requirements of an antenna array surface, a microstrip line is adopted as a coupling line, and low-power signal sampling is realized. Weak coupling is achieved between the main line and the coupling line in an aperture coupling mode. The power division function is integrated at the same time, the one-to-eight microstrip power divider, the microstrip coupling line and the rectangular coupling aperture are compactly arranged on the same microwave double-sided board, and therefore the low-profile and low-cost design is achieved.

The invention belongs to the technical field of optical devices, and discloses a high-polarization dustproof plate for a vehicle-mounted HUD (Head Up Display) and a preparation method of the high-polarization dustproof plate. The polarization dustproof plate comprises a polarization element sub-layer, a first optical compensation layer and a second optical compensation layer, wherein the polarization element sub-layer is clamped between the first optical compensation layer and the second optical compensation layer; wherein the first optical compensation layer and the second optical compensation layer are both polycarbonate films, and the compensation value Re of the polycarbonate films meets the following relational expression: Re < = 50nm or Re > = 3000nm; the polarizer layer is a polyvinyl alcohol polarizing film, and the degree of polarization of the polyvinyl alcohol polarizing film is larger than or equal to 99%. The optical compensation layers with low compensation value or high compensation value functions are arranged on the two sides of the polarization element sub-layer, and the polarization element sub-layer with high polarization degree is adopted, so that the problems of rainbow lines and ghosting are solved, glare and reflection are reduced, the display definition is improved, and the application requirement of large-size HUD projection display can be met.

The utility model discloses a highly integrated electric pump, relates to the technical field of water pumps, and solves the technical problems that a traditional water pump is high in energy consumption, large and heavy in body, easy to leak and inconvenient to maintain, the highly integrated electric pump comprises an outer shell body, a shell cover, motors and an impeller, the two motors are symmetrically installed in the outer shell, and hollow shafts of the two motors accurately correspond to opening ring positions at the two ends of the impeller. A stable driving structure is formed through tight connection, and sealing treatment is conducted through the shell cover, so that the safety and stability of operation of the electric pump are effectively guaranteed; the simplified design of the utility model not only reduces the cost, but also improves the maintainability and reliability of the system; the highly integrated electric pump design is particularly suitable for occasions requiring high reliability and low maintenance, the structure is simplified, the size is reduced, and the operation stability is remarkably improved.

The utility model provides a kind of container handle, including snap ring and handle ring, wherein, handle ring is U-shaped, handle ring includes handle handle and two handle arms formed by the extension of handle handle two ends;Two handle arms are connected at the two sides of snap ring respectively, the handle handle includes outer hand holding part and inner hand holding part, the outer hand holding part is flat plate, the inner hand holding part is the convex portion that wave shape is formed upwards along the inner edge of outer hand holding part, the longitudinal section of the inner hand holding part is arc side, the longitudinal section of outer hand holding part is flat plate face.The handle provided by the utility model solves the technical problems such as hand strangling, easy to slip of existing handle, and the mold for preparing handle does not need to make sliding block, reduces manufacturing cost.

The invention provides a lens module which comprises a liquid crystal module, a color wheel and an image sensor. The liquid crystal module includes a first electrode layer, a second electrode layer, and a liquid crystal layer disposed between the first electrode layer and the second electrode layer. The color wheel is arranged on one side of the liquid crystal module and comprises a first light filtering area, a second light filtering area and a third light filtering area. The first filtering area comprises a first metasurface used for enabling a red light wave band to penetrate through, the second filtering area comprises a second metasurface used for enabling a green light wave band to penetrate through, and the third filtering area comprises a third metasurface used for enabling a blue light wave band to penetrate through. The color wheel is arranged between the liquid crystal module and the image sensor.

This invention provides a piezoelectrically driven pipe wall crawling robot and its control method, including an arc-shaped annular piezoelectric vibrator. The arc-shaped annular piezoelectric vibrator is a symmetrical, slightly curved annular structure. Two sliding drive teeth are arranged on the outer side of the annular segment, and crawling drive teeth are arranged at both ends on the inner side. Four arc-shaped annular piezoelectric ceramic plates are arranged on each of the upper and lower sides of the annular segment. The polarization direction of the eight arc-shaped annular piezoelectric ceramic plates is along the thickness direction and points to the same side. It also includes an arc-shaped annular slide rail, which is a semi-circular annular structure with a central angle of 180°. The sliding drive teeth of the arc-shaped annular piezoelectric vibrator are in close contact with the inner side of the arc-shaped annular slide rail. This invention simultaneously solves the problems that existing piezoelectrically driven robots are mostly focused on planar precision motion and micro-nano manipulation, and cannot adapt to the needs of curved pipe wall crawling, high-altitude hovering, energy-saving self-locking, and miniaturized high-efficiency operation.

The application discloses a totally-enclosed screw compressor, which comprises a tank body, a flange, a motor and a compression assembly, an oil inlet interface is arranged on the side wall of the tank body, the flange is fixedly connected to the inner circumferential wall of the tank body, the flange is provided with a mounting hole, the mounting hole is arranged in correspondence with the oil inlet interface, the motor and the compression assembly are both mounted in the tank body, the compression assembly comprises a casing and a screw assembly, the screw assembly is mounted in the casing, the motor is connected with the screw assembly and drives the screw assembly to rotate, a connecting part is arranged on the casing, the connecting part is connected with the flange through bolts to realize the fixation of the casing, a sealing element is arranged between the connecting part and the flange, and the motor is eccentrically arranged on one side close to the mounting hole. The application can avoid misplacement or deviation during installation, so that the installation personnel can more quickly and accurately align the mounting hole with the oil inlet interface, the alignment during installation is facilitated, the precision during the assembly of parts can be improved, the convenience and reliability during the installation process are improved, misassembly is prevented, and time is saved.

The utility model relates to the technical field of steering systems, in particular to a gear and rack pre-tightening mechanism for a double-pinion steering machine. A gear and rack pre-tightening mechanism for a double-pinion steering machine is characterized in that a long shell is arranged on the outer side of a rack, and a steering wheel side bearing mounting area and a motor end bearing mounting area are arranged at the two ends of the rack respectively; the steering wheel side bearing mounting area comprises a needle bearing and a first pendulum bearing, one end of the rack is sleeved with the first pendulum bearing, and the portion, located above the first pendulum bearing, of the rack is sleeved with the needle bearing; the motor end bearing installation area comprises a ball bearing and a second pendulum bearing, the other end of the rack is sleeved with the second pendulum bearing, and the portion, located above the second pendulum bearing, of the rack is sleeved with the ball bearing. Compared with the prior art, the assembly complexity is reduced; the problem of rigidity attenuation of the pre-tightening mechanism after durability is solved; and the problem of gap enlargement caused by abrasion of different matched parts after durability is solved.

The utility model discloses a kind of assembly type floor foot of screw lifting adjustment, including support base, screw lifting assembly and panel support seat, the support base is the hollow columnar structure of top opening, its inner wall is equipped with first internal thread;The screw lifting assembly includes lifting screw and locking sleeve, the bottom end outer wall of the lifting screw is equipped with the first external thread compatible with the first internal thread, the lifting screw is engaged in the hollow cavity of the support base by the first internal thread and first external thread, the locking sleeve is sleeved on lifting screw outer, the panel support seat is connected in lifting screw top portion. The utility model belongs to engineering construction technical field, specifically refers to a kind of assembly type floor foot of screw lifting adjustment.

The embodiment of the invention discloses a relay state detection and interlocking protection circuit and a relay detection method, belongs to the technical field of relay state detection, and solves the problems that in the prior art, independent reference points are generally arranged in front of and behind a main negative relay respectively, and detection is realized by matching with a sampling resistor; and the internal space of the controller is compact, and wire harnesses and connecting nodes are added at double reference points, so that the fault risk is relatively high. Comprising a main negative relay, two ends of which are connected in parallel with a first sampling resistor set, and one end of the main negative relay is connected to a reference ground of a circuit; a second sampling resistor set and a third sampling resistor set are respectively arranged between the two ends of the main positive relay and the main negative relay; and the detection module is connected to the reference ground and is used for responding to different detection instructions and acquiring parameter values of different sampling resistor sets so as to perform detection and interlocking protection on the main negative relay and the main positive relay according to the parameter values.

This utility model relates to the field of vehicle technology, providing a vehicle battery rack and a vehicle. The vehicle battery rack includes a first frame for mounting a fuel cell and a second frame for mounting a power battery, as well as multiple connecting beams connecting the first frame and the second frame. At least one first mounting sub-beam connected to the vehicle frame is provided on the inner side frame of the first frame, and multiple first locking brackets for connecting to the vehicle frame are provided on the top surface of both ends and / or the middle of the first frame. At least one second mounting sub-beam connected to the vehicle frame is provided on the inner side frame of the second frame, and multiple second locking brackets for connecting to the vehicle frame are provided on the top surface of both ends and / or the middle of the second frame. The integrated design reduces the overall weight and the number of locking points, thereby reducing assembly complexity. Furthermore, the integrated structure, except for the mounting points and some technically required points, is formed by welding, allowing for better control of the dimensions of the mounting points through tooling, thus improving assembly accuracy.

The utility model provides a toner cartridge side cover with an integrated injection molding conductive structure, which comprises an inner side part and an outer side part, the inner side part is provided with a plurality of conductive positioning column holes and a plurality of inner circuit connecting bridges, and each conductive positioning column hole is used for sleeving and positioning a printing part. Each inner circuit connecting bridge is connected between power-on contacts of a printing component and is used for forming a power-on loop; the outer side part is provided with external contact pads corresponding to the internal circuit connecting bridges, the external contact pads are communicated with the internal circuit connecting bridges, the side cover is provided with a conductive square groove hole and a drum core positioning column hole in a penetrating manner, and a conductive steel shaft is arranged on the drum core positioning column hole in a fusion welding manner; the conductive square groove hole, the internal circuit connection bridge and the external contact pad are formed by conducting materials in a secondary injection molding mode. The utility model relates to the technical field of toner cartridges.

The utility model provides a foam generating device and cleaning equipment. The foam generating device comprises a foaming assembly and a connecting piece fixedly arranged on the foaming assembly. The foaming assembly is provided with a foaming cavity, an inlet part communicated with the foaming cavity and an outlet part communicated with the foaming cavity. The connecting piece is provided with at least three joints, and the at least three joints comprise a first joint communicated with the inlet part in a sealing manner, and a second joint and a third joint which are respectively communicated with the first joint. According to the foam generating device provided by the invention, a connecting pipeline mounted on the cleaning equipment can be simplified, the mounting efficiency is improved, and the assembly space is saved.

The utility model relates to a kind of connecting structure of brake master cylinder body and liquid storage tank, belong to the brake master cylinder of automobile brake system technical field area with liquid storage tank assembly.Liquid storage tank is directly installed on the oil inlet of main cylinder by oil outlet, and the two clamping claws of the bottom of liquid storage tank are respectively connected with the both ends of pin on main cylinder body.Optimal feature is novel structure, cancels fixed screw, pin is directly cast on main cylinder blank, directly connected with liquid storage tank, pin is integrally formed with main cylinder body, can reduce the number of parts, reduce assembly complexity, high connection strength, good connection sealing, enhance anti-vibration capacity, avoid the risk of brake failure caused by screw loosening, can guarantee vehicle safety performance, reduce cost, improve production efficiency.

The utility model discloses an air-cooled motor casing structure, and relates to the technical field of motor casings. Comprising a casing body, radiating fins and a front end cover, the casing body, the radiating fins and the front end cover are of an integrally formed structure, and the front end cover is arranged at the bottom of the casing body; a first annular inner wall is arranged in the center of the top of the front end cover and protrudes inwards. A second annular inner wall is arranged in the center of the bottom of the front end cover and protrudes outwards. The first annular inner wall and the second annular inner wall are communicated to form a bearing chamber. The casing body, the radiating fins and the front end cover are of an integrally-formed structure, so that the assembly complexity is reduced, and the overall integration level is improved; meanwhile, the heat dissipation fins are arranged in the axial direction or the radial direction and are consistent with the wind direction in the machine shell, and the air cooling effect is good.

The utility model discloses an oiling machine shell installation structure which mainly solves the problems that when an existing oiling machine shell is installed, operation is complex, and efficiency is low. The L-shaped mounting plate is correspondingly fixed on the surface of an oiling machine framework plate in the axial direction of a machine shell, one end of the machine shell is correspondingly limited, embedded and inserted into the plate wall of the mounting plate on the outer side of the mounting plate in the direction parallel to the oiling machine framework plate, and the other end of the machine shell is limited and fixed by a tensioning piece in the direction perpendicular to the oiling machine framework plate; one side of the oiling machine shell is fixed through embedding and inserting matching of the hook plate and the mounting plate, and the other side of the oiling machine shell is pulled, limited and fixed through the tensioning piece, so that the oiling machine shell can be stably mounted under external force and vibration, the problems of loosening and the like are avoided, and meanwhile, hidden mounting without bolts on the surface of the oiling machine shell can be realized.

The heavy hinge with the angle measuring function comprises a first hinge body, a second hinge body and a rotating shaft connected with the first hinge body and the second hinge body, the rotating shaft is rotationally assembled with the first hinge body and fixedly assembled with the second hinge body, and at least one end of the rotating shaft is provided with a split encoder; a main body of the split type encoder is fixedly connected with the first hinge, and an inductive head of the split type encoder is coaxial with the rotating shaft and fixedly connected with the rotating shaft. According to the structural design, additional independent sensor installation space and structure are omitted, the structure is compact and integrated, meanwhile, a direct mechanical transmission path is adopted, back clearance, abrasion or errors possibly caused by middle transmission links (such as gears and connecting rods) are avoided, and the reliability of the sensor is improved. Therefore, the reliability, accuracy and long-term stability of angle measurement are remarkably improved while the overall structure is simplified and the assembly complexity is reduced.