8results about How to "Avoid radiation" patented technology

The utility model relates to a mounting structure of PCB board large current conductor, this mounting structure includes metal base, PCB board, large current conductor and upper shell, the recessed groove for the large current conductor inlay is integrally arranged on the metal base, the PCB board sets up on the upper surface of metal base, the utility model discloses through embedding the large current conductor on the PCB board into the recessed groove inside the metal base, realizes the all -round metal surrounding and shielding of large current conductor, effectively avoids the electric field, magnetic field signal radiation to outside of the current on the large current conductor, realizes better EMC shielding effect.

The utility model provides a heat digestion treatment device for element form valence state change, including casing, digestion pool, buffer pool, reaction pipeline, circulating pipeline, liquid circulating device and heating device, and is provided with oil containing cavity in digestion pool and buffer pool, and heating device is installed in oil containing cavity, and liquid circulating device is connected on any circulating pipeline for driving liquid circulation flow between digestion pool and buffer pool. Through setting up oil containing cavity to contain heat conducting oil, heat conducting oil is used as heat transfer medium to heat reaction pipeline, improves the temperature of heating, and has strong digestion capacity, on the other hand, sets up buffer pool and communicates buffer pool with digestion pool through circulating pipeline, and liquid circulating device drives heat conducting oil circulation flow between buffer pool and digestion pool, thereby makes heat conducting oil heating temperature rise more stable.

The utility model provides a charger, which is helpful for realizing compact design of each part in the charger, fully utilizing limited space and further helpful for the development of the charger towards the miniaturization direction. Meanwhile, the transformer and the AC pin are separated through the first capacitor, electromagnetic interference generated by an electronic component can be effectively prevented from being coupled to the AC pin in the charging state, the electromagnetic interference is further prevented from influencing the mains supply through the AC pin, and the charging performance of the charger is guaranteed; noise generated during operation of electronic components can be isolated, the noise is prevented from being radiated to the surrounding environment, the operation noise of the charger in the charging state is reduced, and the user experience is improved.

The utility model discloses an H-shaped photovoltaic low-voltage confluence cabinet which comprises a connecting cabinet body and a frame cabinet body, the connecting cabinet body is communicated with the frame cabinet body, and the connecting cabinet body is provided with a heat dissipation device. The operation surface deviates from the connecting cabinet body, and the maintenance surface is close to the connecting cabinet body; the frame is provided with a frame circuit breaker, the frame circuit breaker is connected with the first bus copper bar group, the operation surface is provided with a molded case circuit breaker module, the molded case circuit breaker module is connected with the second bus copper bars, and the tail ends of the plurality of second bus copper bars are respectively connected with the first bus copper bar; and the first bus copper bar group and the second bus copper bar group are arranged close to the maintenance surface of the frame cabinet body. A maintenance channel with the front end and the rear end communicated is formed between the two maintenance faces. The first bus copper bar group and the second bus copper bar group are arranged close to the maintenance surface, so that heat can be prevented from being directly radiated to the operation surface, normal operation of the bus cabinet is avoided, and the problems of difficult maintenance and slow heat dissipation caused by narrow maintenance space of a traditional bus cabinet are solved.

This invention discloses a multi-channel collimation device for neutron diffraction, belonging to the technical field of neutron scattering spectrometers. The device includes a base, separating aluminum plates, and a detector. The base has an arc-shaped structure, with two bases arranged opposite each other. Each base has multiple mounting cavities spaced circumferentially on it. Each mounting cavity contains multiple separating aluminum plates spaced vertically, with a channel for the neutron beam to pass between adjacent separating aluminum plates. The detector is configured in a one-to-one correspondence with each channel. This multi-channel collimation device can optimize the neutron signal and reduce stray background signals, thereby ensuring the accuracy of experimental results.

The application provides an engine exhaust aftertreatment system and an engineering vehicle. The engine exhaust aftertreatment system comprises a support, a heat insulation plate and an aftertreatment assembly. The support comprises a support beam. The bottom of the support beam is provided with an engine. The heat insulation plate covers the support beam and is connected to the support beam. The heat insulation plate is provided with a pipe passing hole. The aftertreatment assembly is arranged on the heat insulation plate. The aftertreatment assembly is located at the top of the engine. The aftertreatment assembly and the engine are connected through a pipeline. The pipeline penetrates through the pipe passing hole. In the application, the aftertreatment assembly is located at the top of the engine, which facilitates the connection of the engine, shortens the high-temperature pipeline and is beneficial to the heat entering the aftertreatment assembly. The heat insulation plate is arranged between the aftertreatment assembly and the power room, so that the aftertreatment assembly and the power room are isolated, heat radiation to the power room is avoided and the influence of heat on the operation of the engine is reduced.

The present invention provides a radiation irradiation system, comprising a radiation generating device and a carrying table, a beam generated by the radiation generating device irradiates an irradiated object on the carrying table, the radiation irradiation system further comprises a carrying table positioning device, the carrying table is supported by the carrying table positioning device, the carrying table positioning device comprises a positioning mechanism, the positioning mechanism comprises a linear shaft, the carrying table positioning device can horizontally move along the linear shaft, and the extending direction of the linear shaft is parallel to the irradiation direction of beams generated by the radiation generating device. According to the radiation irradiation system, in the positioning process of the carrying table, the whole carrying table positioning device horizontally moves along the direction parallel to the irradiation direction of the beam generated by the radiation generating device, most of the carrying table positioning device is located in the space between the linear shaft and the beam outlet, the radioactivity and shortened lifespan caused by the radiation of the various components of the carrying table positioning device are reduced.

The utility model discloses an anti-magnetic cable, which belongs to the technical field of cables and comprises a cable body, the cable body comprises a plurality of cable cores, an inner protective layer, a netted anti-magnetic layer, a heat dissipation layer and an inner line layer, the inner protective layer is sleeved on the cable cores, the netted anti-magnetic layer is sleeved on the inner protective layer, the heat dissipation layer is sleeved on the netted anti-magnetic layer, and the inner line layer is sleeved on the netted anti-magnetic layer. According to the anti-magnetic cable, the net-shaped anti-magnetic layer is formed by weaving multiple strands of thin non-magnetic metal wires, interference of an external electromagnetic field on signals in the cable body is reduced, meanwhile, electromagnetic energy generated in the cable body can be prevented from being radiated outwards, and therefore stable transmission of the signals is ensured; the heat dissipation layer is provided with the plurality of heat dissipation holes, the plurality of heat dissipation holes can effectively dissipate heat generated when the cable body works, and the flame-retardant material is filled between the inner line gaps of the inner line layer and the heat dissipation layer, so that the cable body is not easy to burn and has good flame-retardant performance.