145 results about "Ferrite core" patented technology

A power transmitter for wireless power transfer includes a control and communications unit, an inverter circuit, a coil, and a shielding. The control and communications unit is configured to provide power control signals to control a power level of a power signal configured for transmission to a power receiver, provide a power request to an external power supply, determine if a power signal at the coil is compliant with the power request, and, if the power signal at the coil is compliant with the power request, continue to operate for wireless power transmission. The coil is configured to transmit the power signal to a power receiver. The shielding comprises a ferrite core.

The invention relates to the technical field of soft magnetic ferrite materials, in particular to a preparation method of a high-permeability soft magnetic ferrite core material, which comprises the following steps: firstly, preparing FeSiCrBCu soft magnetic alloy powder with uniform components and controllable particle size through a single-roller quenching and hydrogen decrepitation process, and laying a structural foundation for excellent magnetic performance; and then a mechanical stirring-ultrasonic synergistic coating technology is utilized, so that the ferrite precursor uniformly coats the alloy powder, an effective core-shell structure is formed, and solid-phase reaction and crystal grain uniform growth during sintering are promoted. Besides, a multi-task deep learning model (MTL-DL) based on transfer learning is adopted to carry out multi-objective collaborative optimization on the sintering process, accurately match and dynamically adjust key parameters, and accurately regulate and control the material densification process, the grain size and the phase distribution on the microcosmic level, so that the problem that the microstructure and component uniformity are difficult to accurately control in the prior art is solved; therefore, the problems of poor material performance and high power loss are solved.

A power transmitter for wireless power transfer includes a verification load, a control and communications unit, an inverter circuit, a coil, and a shielding. The control and communications unit is configured to provide power control signals to control a power level of a power signal configured for transmission to a power receiver, provide a power request to an external power supply, determine if a power signal at the verification load is compliant with the power request, and, if the power signal at the verification load is compliant with the power request, continue to operate for wireless power transmission. The coil is configured to transmit the power signal to a power receiver. The shielding comprises a ferrite core.

Compact inductive devices are disclosed herein. According to certain embodiments, a compact inductive device comprises a ferrite core, a ferrite body, and a first conductive column and a second conductive column, each extending from a lower surface of the ferrite body to an upper surface of the ferrite body. Furthermore, the compact inductive device comprises a planar substrate coupled to the upper surface of the ferrite body. The planar substrate includes wiring that electrically connects the first conductive column to the second conductive column.

The present disclosure relates to an input system, and more particularly, to an electronic device capable of sensing a stylus pen together with an object such as a finger that is in proximity or in contact with the outside, and an input system including a stylus pen including a ferrite core for a stylus pen capable of improving the magnitude of a pen signal received by the electronic device.

The invention discloses a magnetic coupling surge protection device based on an amorphous ferrite material, which comprises an amorphous ferrite magnetic core, a secondary side inductor, a secondary side resistor, a bias conductor and a bias power supply, is nested outside a high-voltage direct-current transmission line, and forms magnetic field coupling with the high-voltage direct-current transmission line through the amorphous ferrite magnetic core in the device. When suddenly changed surge current flows through the device, a rapidly changing magnetic field is excited in the amorphous ferrite material, the magnetic field provides equivalent inductance for the high-voltage direct-current transmission line, and meanwhile, the rapidly changing magnetic field generates induced electromotive force in the bias conductor and generates induced current; the induced current generates heat loss in the process of flowing through the secondary side resistor, and surge current energy in the high-voltage direct-current transmission line is converted into the heat loss of the secondary side resistor through the process, so that surge protection is realized. The invention has the advantages of high saturation magnetic flux density, high relative permeability, excellent high-frequency performance and the like, and is suitable for the operation condition of magnetic coupling surge protection equipment.

BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to a ferrite core and a stylus pen including the same, and more particularly, to a ferrite core capable of improving a magnetization effect due to an external magnetic body and a stylus pen including the same.SOLUTION: A ferrite core according to an embodiment of the present invention is a ferrite core mounted inside a stylus pen, and the ferrite core includes 60 to 80 wt% of iron (Fe), 15 to 30 wt% of manganese (Mn), and 3 to 20 wt% of zinc (Zn).SELECTED DRAWING: Figure 3

The utility model discloses a soft magnetic ferrite core surface finishing device, which relates to the technical field of magnetic core production and comprises a base and a support plate, electric cylinders are mounted on two sides of the bottom of the support plate, output ends of the electric cylinders are connected with a support disc through extension rods, and an inner ring of the support disc is connected with a transmission wheel. Through the arrangement of the polishing disc, the sleeve, the bonding layer, the polishing abrasive paper, the electric cylinder, the supporting disc, the transmission wheel and the first transmission groove, the surface of the ferrite core body can be conveniently polished and trimmed through the arrangement of the polishing disc; when an inner ring of an annular ferrite core body needs to be polished and trimmed or a gap of an E-shaped ferrite core body needs to be polished and trimmed, the output end of an electric cylinder drives a supporting disc to move upwards through an extension rod, the supporting disc moves upwards to drive a polishing disc to move upwards through a transmission wheel, and therefore polishing abrasive paper leaks out of the bottom of the polishing disc; the polishing head does not need to be disassembled or replaced or replaced to another polishing device, and operation is easy and convenient.

To provide a lighting device that can reduce the load on the wiring. [Solution] The lighting device 10 comprises a fixture body 12, a power supply unit 14, and a ferrite core 18. The fixture body 12 has a power supply mounting surface 26. The power supply unit 14 is disposed on the power supply mounting surface 26 and has a power supply side connection part 34 to which one end of the wiring 17 is connected. The ferrite core 18 has an insertion hole 41 through which the middle of the wiring 17 is inserted, and is positioned such that the height of the insertion hole 41 from the power supply mounting surface 26 is at the same height as at least a part of the power supply side connection part 34.

The utility model relates to high frequency power converter technical field, concretely is a kind of magnetic core structure suitable for high frequency power converter.The utility model, including coil and fixed frame, the coil is installed in the inner wall of fixed frame, the lower surface of fixed frame is fixedly connected with two connecting seats, the inside of connecting seat is installed with several pins, the inner wall of fixed frame is covered with insulating coating, the inner wall of fixed frame is movably installed with two ferrite magnetic cores, two the ferrite magnetic core adsorbs and connects, the surface of pin is covered with protection tube, the protection tube is silica gel tube, the surface of two the ferrite magnetic core is wound with fixed band, the fixed band is magnetic core fixed band.Solved under high frequency operating condition, the magnetic hysteresis loss and eddy current loss of magnetic core sharply increase, lead to the serious heating of magnetic core, not only reduce the conversion efficiency of power converter, also possibly influence its long-term reliability problem.

Solid-state switch array apparatus and methods for digitized plasma magneto-inertial fusion are disclosed herein. A solid-state switch array apparatus for enabling discharge of direct current includes multiple solid-state switches arranged in series and parallel configurations. The apparatus includes corresponding series resistor circuits connected in parallel with each solid-state switch to distribute voltage across the switches and receive constant current flow from a power supply during charging. Snubber circuits including capacitors configured in parallel with each solid-state switch protect against transient back electromotive force during discharge. A ferrite core assembly includes wire fed through ferrite cores wound and connected to gates and cathodes of the solid-state switches. The ferrite core assembly delivers voltage pulses to simultaneously transition all switches to a conducting state in response to discharge from a discharge circuit capacitor, enabling control for plasma generation applications.

The utility model discloses a tray frame of a round ferrite core, which relates to the technical field of round ferrite cores and comprises a tray frame body, a cushion block is fixedly connected to the outer surface of the lower end of the tray frame body, and a butt joint block is arranged on the outer surface of the upper end of the tray frame body. According to the tray frame of the round ferrite core, the arranged base can be in butt joint and fixed with the butt joint block in the using process, the butt joint block is in butt joint with the interior of the butt joint groove in the fixing process, the positioning plug pin can be pulled before butt joint, and the positioning plug pin can compress the first limiting spring through the fixing piece in the moving process; when the butt joint blocks are fixed in a butt joint mode, the positioning plug pins can be loosened, at the moment, the first limiting springs rebound the positioning plug pins, the positioning plug pins are inserted into the positioning holes to be fixed, and therefore the base can be fixed, disassembly and assembly are convenient, the placing positions of the round ferrite cores can be conveniently adjusted through the base, and adjustment and arrangement can be conveniently conducted according to the sizes of the round ferrite cores.

The utility model discloses a ferrite magnetic core green body receiving and arranging device, which belongs to the technical field of ferrite magnetic core production and comprises a frame, a first conveyor belt and a second conveyor belt are arranged in the frame, and the first conveyor belt and the second conveyor belt are in reverse transmission. The magnetic core conveying device has the beneficial effects that by arranging the first conveying belt, the second conveying belt, the limiting frame and the limiting baffle, a plurality of magnetic cores can be placed and conveyed, in the conveying process, the magnetic cores are sequentially conveyed in the direction of the baffle, and follow-up arrangement operation is facilitated; the magnetic cores conveyed to one side of the first push plate can be conveniently adsorbed, so that gaps are formed between the magnetic cores according to the positions of the limiting grooves, subsequent firing operation is facilitated, and the arranged magnetic cores can be conveniently and smoothly moved to the discharging plate by arranging a supporting seat, a second electric push rod, a discharging plate and an inclined plate.

The invention discloses a grinding device and method for a gyromagnetic ferrite core of a high-power microwave device, and relates to the technical field of magnetic core processing. The device comprises a transverse plate, a feeding mechanism is arranged on one side of the top of the transverse plate, and a discharging mechanism is arranged on the other side of the top of the transverse plate; the feeding mechanism comprises a storage tank, the bottom of the storage tank is fixedly connected with the top of a transverse plate, a support is fixedly connected to one side of the top of the transverse plate, a transverse adjusting part is arranged at the top of an inner cavity of the support, and a lifting adsorption part is arranged at the bottom of the transverse adjusting part. The discharging mechanism comprises a vertical plate. According to the full-automatic polishing machine, a plurality of mechanisms such as the feeding mechanism, the discharging mechanism, the rotary feeding mechanism and the polishing mechanism are integrated, cooperative efficient operation among the mechanisms, automatic precise feeding of the feeding mechanism, continuous and stable feeding of the rotary feeding mechanism and efficient and precise polishing of the polishing mechanism are achieved, the machining efficiency is greatly improved, and meanwhile, the production cost is reduced. And the positions and actions are accurately controlled by all the mechanisms, so that the machining precision is effectively ensured.

The utility model discloses a ferrite magnetic core compression molding device which comprises a supporting frame, a pressing device and a pressing device. The workbench is horizontally arranged on the supporting frame, a die cavity is formed in the workbench in a penetrating mode, and a lower pressing block penetrating through the die cavity is arranged on the supporting frame; the portal frame is vertically and slidably connected with an upper pressing block inserted into the die cavity; the feeding hopper is buckled on the workbench; the transmission track is horizontally arranged on the supporting frame; the twisting track is used for turning over the horizontal product to a vertical state; the collecting pipe is horizontally arranged at the tail end of the twisting track; and the storage box is arranged on the collecting pipe in a sleeving manner. According to the utility model, the conveying track and the torsion track which are continuously arranged are arranged at the tail end of the workbench, ferrite magnetic core products are automatically collected and directionally conveyed, and the horizontal products are automatically overturned to be horizontal and then are pushed into the storage box one by one through the push block for storage, so that the automatic collection and arrangement of the products are realized, and the production efficiency is improved. And workers do not need to pick up and collect one by one.

This invention provides a fixing structure for automotive components (e.g., magnetic components) with improved slip resistance. [Solution] The magnetic component 10 comprises at least a coil 4, a ferrite core 3, and a leaf spring 2 that presses the upper surface 30 of the ferrite core 3 against the housing 1 with elastic force. The upper surface 30 of the ferrite core 3 has a groove 31 extending in a direction intersecting the front-rear direction of the vehicle (the direction in which the vehicle moves forward and backward). The inner wall surface of the groove 31 is inclined, and the protruding portion 21 of the leaf spring 2 has a rounded R shape. The R-shaped tip portion 20 of the leaf spring 2 is pressed against the opposing inclined wall surfaces 32a and 32b, respectively, thus fixing the magnetic component at two locations 20a and 20b. The groove may also have a groove 35 extending in a direction intersecting the left-right direction of the vehicle (the direction in which the vehicle rotates), and inclined wall surfaces 36a and 36b may be formed in the same manner as described above.

A showerhead heating package and a substrate processing apparatus using the showerhead heating package are disclosed. [Solution] A heating package for heating a shower head in a substrate processing apparatus according to an embodiment of the present disclosure, comprising a shower head heater disposed on and embedded in the shower head, the shower head heater comprising a heating element and a sheath surrounding the heating element, the heating package further comprising a filter configured to prevent radio frequency (RF) leakage from the heater line, a heater line configured to electrically connect the filter to the shower head heater, and a ferrite core disposed on the heater line.

The utility model belongs to the technical field of ferrite magnetic cores, particularly relates to a ferrite magnetic core assembly for a relay, and aims to solve the problems of troublesome assembly and poorer impact resistance in the background technology, and provides the following scheme: the ferrite magnetic core assembly comprises an iron core piece, and a framework piece is arranged outside the iron core piece; the iron core piece comprises an upper ferrite magnetic core and a lower ferrite magnetic core, and the size of the upper ferrite magnetic core is the same as that of the lower ferrite magnetic core. According to the utility model, the framework piece adopts an integrally formed structure, so that the upper ferrite magnetic core and the lower ferrite magnetic core can be quickly assembled on the framework piece, the assembling difficulty is reduced, the mounting efficiency is improved, a plurality of fasteners are additionally arranged on the framework piece, each fastener comprises an angle plate and an internal thread pad, and the internal thread pads can be tightly attached to the bottom shell of the relay; the overall stability of the ferrite magnetic core assembly can be improved under the fastening effect of the fastening screws, and the impact resistance of the ferrite magnetic core assembly is improved.

The utility model relates to a pressing machine for preventing material adhesion of ferrite core, and relates to the technical field of magnetic material processing equipment, the punch rod is set above the operation table by utilizing external driving assembly, and the punch rod is matched and arranged in the forming groove, a plurality of air jet grooves are through -going arranged in the punch rod, the openings of the air jet grooves are arranged on the torus of the bottom end of the punch rod, and the plurality of air jet grooves are connected with external air pump, the rotating cylinder is rotatably connected on the ring wall of the punch rod by utilizing bearing, a plurality of grooves are equiangularly arranged on the ring wall of the rotating cylinder, the abutting rods are arranged in the grooves by utilizing adjusting assembly respectively, and the abutting rods are matched and abutted on the inner wall of the forming groove, the motor is fixed on the ring wall of the punch rod, the motor is above the rotating cylinder, and the output end of the motor is equipped with gear, the rotating cylinder is controlled to rotate through the motor and the gear, the powder on the inner wall of the forming groove is scraped off by matching the abutting rod, the powder is blown out of the forming groove through the air jet groove, and the quality of ferrite forming is avoided to be influenced.

The invention discloses a vehicle-mounted two-way wireless charging disc device of an electric bicycle. The vehicle-mounted two-way wireless charging disc device comprises the following parts: 1) a rear end cover shell; 2) a compensation and control circuit; 3) a shielding layer aluminum plate; 4) a ferrite magnetic core; 5) a DD type high-power receiving coil; 6) a circular low-power transmitting coil; and 7) a front end cover shell. The core is that the DD type high-power receiving coil (5) adopts a DD type coil structure and can be decoupled with the circular low-power transmitting coil (6) on a magnetic field, so that the two charging loops do not interfere with each other. Wherein the DD type high-power receiving coil (5) is used for wirelessly charging an electric bicycle, and the circular low-power transmitting coil (6) is used for wirelessly charging a vehicle-mounted mobile phone by the electric bicycle. Meanwhile, the forward charging channel and the reverse charging channel work at different resonant frequencies. In addition, wave-blocking filters are arranged in the two channels, and the wave-blocking frequency of the wave-blocking filters and the resonant frequency of the other channel are suppressed, so that the frequency interference of the corresponding channel is suppressed.

A showerhead heating package and a substrate processing apparatus using the same is presented. According to an embodiment of the present disclosure, a heating package for heating showerhead in a substrate processing apparatus, the heating package comprises: a showerhead heater disposed on a showerhead and embedded into the showerhead, the showerhead heater comprises: a heating element, a sheath surrounding the heating element, a filter configured to prevent radio frequency (RF) leakage from a heater line, a heater line configured to electrically connect the filter to the showerhead heater; and a ferrite core disposed on the heater line.

The inclined pushing and self-falling type intelligent blank arranging machine comprises a rack, a conveying mechanism arranged on one side of the rack and driven by a conveying motor, a blank pushing mechanism arranged at one end of the conveying mechanism, a first guide rail arranged at the bottom of the rack, a fixed warehouse with a supporting plate arranged on the first guide rail, an inclined pushing mechanism arranged above the fixed warehouse, a bidirectional motion mechanism arranged below the conveying mechanism, and a magnetic core arranging mechanism arranged above the bidirectional motion mechanism to arrange the ferrite magnetic cores in a neat manner. The ferrite magnetic cores are pushed by the inclined pushing mechanism, and the inclined pushing movement of the ferrite magnetic cores and the horizontal movement of the supporting plate are synchronous, same-direction and same-speed, so that the upper and lower ferrite magnetic cores are gradually aligned and arranged during the stacking process. The blank arranging and the warehousing process of the ferrite magnetic cores are fully automated. The blank arranging machine has the characteristics of high automation, stable and reliable work and good effect.

The invention relates to a strip-shaped electromagnetic heating element suitable for an electromagnetic heating turnout snow melting system, which is characterized in that the strip-shaped electromagnetic heating element for the electromagnetic heating turnout snow melting system comprises a protective shell (4), an iron core (5), a winding (6), a wiring end plate (7), an end head (8), an integral insulation encapsulation body (9), a protective layer (10) and a heating strip lead (11), a main shell body of the long-strip-shaped protective shell (4) is of a U-shaped groove structure and is made of a non-magnetic-conductive material. The iron core (5) is composed of at least one ferrite magnetic core unit and installed in the U-shaped groove of the protective shell (4), and the magnetic circuit matching face of the iron core faces an external steel rail to be heated. The strip-shaped electromagnetic heating element is fixed on the turnout steel rail through the elastic clamp, the turnout is heated in a heating mode of converting electromagnetic energy into heat energy, the strip body does not emit heat, the heating efficiency is improved, installation and maintenance are convenient, and reliability is higher.

The utility model discloses an anti-bubble soft magnetic ferrite core mould which comprises a mounting frame, an upper mould and a lower mould are respectively mounted on the inner side of the mounting frame, a hydraulic oil cylinder connected with the upper mould is mounted at the top of the mounting frame, a supporting plate for mounting the lower mould is arranged at the bottom of the mounting frame, and a lower mould is mounted on the supporting plate. A damping spring abutting against the bottom of the supporting plate is mounted at the bottom of the mounting frame, a vibrator is mounted at the bottom of the supporting plate, and supporting strips for supporting the supporting plate are arranged on the inner side of the mounting frame. The device is simple in structure, the hydraulic oil cylinder drives the upper mold to move downwards for mold closing, the vibrator vibrates the lower mold on the supporting plate, after the mold is filled with magnetic powder, the interior of the magnetic powder is fully compacted, bubbles generated in the manufacturing process are pressed out, and the damping spring plays a role in preventing the vibration amplitude from being too large; magnetic core raw material liquid in the mold is prevented from flowing out, the production efficiency and the production quality of the soft magnetic ferrite magnetic core are guaranteed, and batch production is facilitated.

The invention relates to the field of soft magnetic ferrite core processing, in particular to a grinding device for soft magnetic ferrite core production. According to an existing soft magnetic ferrite core grinding device, when magnetic cores of different specifications are ground, a grinding jig needs to be detached for adjustment, the process is tedious and time-consuming, in the magnetic core grinding process, chippings generated in the process are inconvenient to clean and collect, the iron core grinding quality is affected, dust pollution is caused, and the health of workers is harmed. A grinding device for soft magnetic ferrite core production comprises a supporting frame and the like. A box body is fixedly connected to the supporting frame, and a servo motor is fixedly connected to the box body. The servo motor can drive the four movable frames to jointly support and limit a machined part, the grinding roller can grind the surface of the machined part, the position of the grinding roller can be adjusted, and therefore soft magnetic ferrite iron cores of different specifications can be ground, and the equipment is wider in applicability.

The utility model discloses an automatic blank arranging device for ferrite cores, which comprises a workbench, a blank arranging device and a blank arranging device, the feeding disc is arranged at one end of the workbench; the transmission track is horizontally arranged on the workbench and connected with the feeding disc; the tray is arranged on the side of the conveying track; the portal frame is arranged on the workbench and stretches across the conveying track and the tray; the sliding seat is slidably connected to the portal frame; the supporting seat is vertically and slidably connected to the sliding seat; the negative pressure rods are vertically arranged on the supporting seat at intervals; and the negative pressure suction nozzle is arranged at the lower end of the negative pressure rod. Compared with the prior art, the automatic blank arranging device has the following advantages and effects that by arranging the negative pressure rod and the negative pressure suction nozzle, automatic adsorption and clamping of blanks can be achieved, then the blanks automatically move into the tray to be placed, automatic blank arranging of the blanks is completed, the blanks do not need to be manually placed one by one, and the blank arranging efficiency and the production efficiency are improved.

Method for manufacturing a sensor housing (1) and sensor housing (1) with a sensor element (5), wherein the sensor element (5) comprises a coil with a ferrite core assembly component, with at least one sleeve-shaped housing part (3), wherein the housing part (3) is made of metal, and at least one closure part (4), wherein the closure part (4) is made of plastic, wherein the closure part (4) is arranged on the housing part (3), wherein the closure part (4) has a circumferential annular joining surface (8) along an outer edge (7) such that a bearing (6) is formed between the housing part (3) and the closure part (4), wherein the closure part (4) has a tight connection with the housing part (3), wherein the closure part (4) does not project into the interior of the housing part (3) and thus does not reduce the interior of the housing part (3).wherein the circumferential outer wall of the ferrite core assembly component has almost the same dimensions as the inner diameter (12) of the sleeve-shaped housing part (3).

The invention discloses a planar underwater vehicle wireless electric energy transmission system with omnidirectional anti-offset capability and high electromagnetic safety, which comprises an electric energy transmitting end magnetic coupler consisting of two planar transmitting coils and two stepped transmitting coils, the rectangular receiving coil is matched with the H-shaped base in structure, and the cross-shaped solenoid receiving coil is provided with a ferrite core. The stepped transmitting coil generates a uniform magnetic field to improve the stability of the space magnetic field; and the plane transmitting coil is wound in opposite directions and is connected in series with the plane transmitting coil for regulating and controlling the magnetic flux direction, reducing the magnetic field intensity at the height of the aircraft electronic equipment and improving the electromagnetic safety. The receiving end double-coil structure can pick up magnetic flux in the vertical direction and the horizontal direction at the same time, the multi-dimensional offset capacity is remarkably enhanced, and efficient electric energy transmission is achieved. The method effectively solves the problems of unstable energy transfer and electromagnetic interference caused by coil offset under ocean current disturbance, and is suitable for wireless charging application of the unmanned underwater vehicle in a complex ocean environment.

The invention discloses a dual-load automatic guided vehicle wireless charging system with an anti-offset characteristic, and belongs to the technical field of wireless power transmission. The system comprises a high-frequency full-bridge inverter, an LCC-S resonance compensation network, an orthogonal DD coil, a full-bridge rectifier and an external element. A transmitting coil and a receiving coil respectively adopt a winding method with dense outside and sparse inside and a winding method with sparse outside and dense inside, orthogonal magnetic field coupling is enhanced in combination with a ferrite magnetic core, and efficient cooperative power supply of a single power supply to double receiving loads and system stability are effectively guaranteed. The LCC-S network realizes bilateral resonance and zero phase angle input of the system through configuration of a plurality of independent capacitors and inductors, provides constant voltage output and inhibits multi-load crosstalk. Compared with the prior art, the problems of weak anti-offset capability, large multi-load interference, sudden efficiency drop and the like of a traditional scheme are effectively solved, and the coupling coefficient gt is within the offset range of + / -20cm; 0.25, the transmission efficiency is stable gt; double-AGV parallel charging is supported, and the voltage fluctuation is lt when a single load exits; and the system stability and the multi-machine cooperation capability are improved.

The invention discloses a voltage-stable high-voltage automobile filtering device with a discharge resistor, which relates to the technical field of automobile filtering devices and comprises an outer shell, an inner shell, an anode copper bar, a cathode copper bar, an anti-interference component and a ferrite magnetic core, the shell has the effects of electromagnetic shielding, mechanical protection and auxiliary heat dissipation on the interior; the inner shell is fixed inside the outer shell through screws and plays roles in insulation isolation, buffering vibration reduction and positioning fixation, and the inner shell comprises a flat plate and a blocky plate. Compact design is adopted for the automobile filtering device, the anti-interference assembly and the ferrite magnetic core are integrated into a whole, the automobile filtering device is made to be matched with narrow installation spaces such as an automobile chassis and a battery pack, and the anti-interference effect of the automobile filtering device is improved. A plurality of auxiliary parts do not need to be additionally arranged, the installation space and the assembly cost are saved, meanwhile, relative displacement generated by vibration of the filtering device and the power supply equipment is compensated through the arranged connector assembly, and the situation that an interface is damaged due to forced stretching and extrusion is avoided.