8results about How to "Solve electromagnetic interference" patented technology

The utility model relates to a new energy automobile high -voltage wire harness fixed support, for high -voltage wire harness fixed technical field, including arc line slot (101), upper fixed bolster (102) and lower fixed bolster (103), the periphery of arc line slot (101) is connected with upper fixed bolster (102), lower fixed bolster (103), and upper fixed bolster (102) and lower fixed bolster (103) are connected at the angle, arc line slot (101) is equipped with four arc channels for arranging high -voltage wire harness, the surface of upper fixed bolster (102) is equipped with the mounting hole (102 2) for connecting the car body crossbeam. The utility model discloses high -voltage wire harness fixed bolster can carry out closed protection to the high -voltage wire harness below the bolster, and arc line slot can guide high -voltage wire harness to go to the way, effectively solved the high -voltage wire harness abrasion by wind sand stone, messy and electromagnetic interference problem of arrangement.

The utility model relates to a middle connecting plate of a transmission, the transmission and a vehicle, and the middle connecting plate comprises a middle connecting plate body which is provided with a first shaft through hole and a second shaft bearing mounting hole; the first valve plate and the middle connecting plate body are integrally formed, the first valve plate is provided with a first surface, a plurality of oil cavities are formed in the first surface, and the first valve plate is in surface-to-surface fit with the second valve plate. The first valve plate is integrated on the middle connecting plate body, so that the integration level can be improved, and the lengths of the middle connecting plate and the second valve plate in the thickness direction can be shortened; an oil cavity is adopted to replace a slender oil duct, the oil cavity is small in depth, large in size area, better in castability than the oil duct and good in product casting quality, the first valve plate and the second valve plate are matched in a face-to-face mode, the leakage risk is reduced, the number of the oil ducts in the middle connecting plate body is reduced, and the space occupied by auxiliary holes and a plugging structure and the number of plugging parts can be reduced; the overall dimension of the middle connecting plate is reduced, product cost is reduced, and reliability is improved.

Embodiments of the present application provide a kind of board level structure and electronic equipment, it is related to electronic equipment technical field.The board level structure includes substrate, camera module, power supply wiring and suspension coil.Wherein, power supply is equipped on substrate.Cameras module is set to substrate, and cameras module includes magnetic component.At least part of power supply wiring is located at the outside of cameras module.At least part of suspension coil is located between cameras module and power supply wiring, when power supply inputs periodic variation input current to power supply wiring, coupling current with input current frequency same, opposite direction is generated in the suspension coil between cameras module and power supply wiring.The board level structure can reduce the electromagnetic interference that power supply wiring generates to the magnetic component in cameras module by setting suspension coil, and it is convenient to wiring, can solve the problem of higher difficulty in wiring in related art.

The utility model relates to the technical field of medical instrument fluid control, in particular to a structure for controlling on-off of multiple channels. The multi-channel flow channel on-off control structure comprises a base plate and a pressing plate, a fixing seat is arranged on the upper plate face of the base plate, and a fixing frame is connected to the lower plate face of the base plate. A multi-channel assembly is arranged on the fixed seat and comprises a plurality of hoses; a rotating column is rotationally connected into the fixing base, a plurality of liquid passing grooves are formed in the outer wall of the rotating column in the length direction in a staggered mode, and the hoses abut against the liquid passing grooves; the liquid passing groove can be matched with the hose to ensure that liquid passes through smoothly; the rotating column is powered by a driving mechanism to rotate; the pressing plate is fixed on the fixed seat through the pressing mechanism; a sliding hole is formed in the pressing plate, and a meshing assembly is arranged in the sliding hole; the occlusion assembly abuts against the hose so as to ensure that when the liquid passing groove rotates away from the hose, liquid can be prevented from passing through the hose. Under the mute condition, the synchronous control of the multi-channel fluid pipeline can be realized under the driving of the same power source.

The application discloses an electronic device, comprising a shell, an electro-deformation driving part, a motion base, a mass block, a power supply module and a control module, wherein the electro-deformation driving part, the motion base and the mass block are arranged in the shell, the electro-deformation driving part is arranged between the shell and the motion base, the electro-deformation driving part and the mass block are respectively located on two sides of the motion base, the electro-deformation driving part and the mass block are distributed in a staggered manner, the control module is electrically connected with the power supply module and the electro-deformation driving part, and when a voltage is applied to the electro-deformation driving part, the electro-deformation driving part drives the motion base to drive the mass block to move. The above scheme can solve the problem of electromagnetic interference of the vibration motor in the electronic device.

The utility model provides a PTC heater improves EMC performance through shielding layer ground connection, including PTC heater body and high pressure connector, low pressure connector, high pressure connector connects PTC heater body through high pressure wire harness, and low pressure connector connects PTC heater body through low pressure wire harness, and the high pressure wire harness includes copper wire layer, insulating layer, shielding layer and insulating rubber layer from inside to outside, and the shielding layer is connected with the whole car ground wire through the ground wire, the utility model discloses a third layer shielding layer of PTC heater high pressure wire harness is connected with the whole car ground wire, and the electromagnetic electricity that shielding layer absorbs is conducted to the whole car ground wire, thereby unloading electricity, thoroughly eliminates PTC to the radiation of whole car and the radiation influence of whole car to PTC, and wiring is simple and convenient, not only solves the electromagnetic interference problem of PTC high pressure wire harness to whole car, but also improves EMC performance, can be used on the PTC heater in new energy automobile air conditioning, and the scope of application is wide.

The application provides an optical fiber communication and sensing integrated system and method, and relates to the technical field of optical communication networks.The system comprises an optical master control module, an optical distribution network module, an optical execution module and an optical sensing module; the optical master control module is connected with the optical execution module and the optical sensing module through the optical distribution network module; the optical master control module is used for transmitting a composite optical signal to a backbone optical fiber, receiving and demodulating an uplink communication signal and a reflected sensing signal; the optical distribution network module is used for distributing the composite optical signal to a communication branch of the optical execution module and a sensing branch of the optical sensing module through an optical distribution and combination component; the optical execution module is used for accessing the communication branch, parsing a control instruction from a downlink communication signal to drive a local actuator to act, and uploading state data to the optical master control module; and the optical sensing module is used for accessing the sensing branch, sensing a physical state change of a measured part as a passive sensing terminal, and returning the reflected sensing signal to the optical master control module along an original optical path.

The utility model discloses a quantum computing system and nuclear magnetic resonance quantum computer, this quantum computing system includes: main resonance coil, probe resonant circuit, main control module, magnet module and sample module, probe resonant circuit includes first varactor diode circuit, first varactor diode circuit one end connects main resonance coil, and the other end ground connection, sample module is equipped with the sample of quantum bit carrier, main resonance coil is connected with main control module, and is set between main control module and sample module, main resonance coil is used for inducting the first nuclear magnetic signal of atomic nucleus in the sample of quantum bit carrier as quantum bit when happening nuclear magnetic resonance, main control module connects first varactor diode circuit, is used for sending first bias voltage signal for adjusting the resonance frequency of main resonance coil to first varactor diode circuit. Based on varactor diode circuit and bias voltage signal, realize resonance frequency adjustment.