8results about How to "Reduce occupied space" patented technology

The utility model belongs to the technical field of power batteries, and discloses a battery pack and an electric device. The battery pack comprises a shell, an immersion assembly, a liquid cooling assembly and at least one battery pack, the shell is provided with at least one accommodating cavity along a first direction for accommodating at least one battery pack, the battery pack comprises a plurality of battery cells which are sequentially arranged along a second direction, every two adjacent battery cells are conductively connected through a busbar, and body parts of the battery cells are hermetically connected to the bottom walls of the accommodating cavities; the immersion assembly comprises an immersion cavity, the immersion cavity is formed in the bottom wall of the accommodating cavity, an immersion medium circulates in the immersion cavity, the body part of the battery cell covers the immersion cavity, and the busbar is inserted in the immersion cavity so as to be in heat exchange connection with the immersion medium; the liquid cooling assembly is arranged in the accommodating cavity, the liquid cooling assembly is used for being in heat exchange connection with at least one side of the battery pack, and heat exchange is performed on the busbar and the battery cell body in an immersion cooling and liquid cooling manner, so that the heat exchange effect is improved, and the weight is not increased greatly.

This invention provides a highly integrated underground pressure regulating device, belonging to the field of gas pressure regulating boxes, comprising a ventilation venting signal tower and an underground pressure regulating box. The ventilation venting signal tower is connected to the underground pressure regulating box via a pipeline assembly. The underground pressure regulating box includes a box body and two integrated pressure regulating devices. The box body has two receiving cavities, each containing one integrated pressure regulating device. One side of the box body is connected to a main inlet pipe and a secondary inlet pipe, and the other side of the box body is connected to a main outlet pipe and a secondary outlet pipe. The main inlet pipe, one of the receiving cavities, and the main outlet pipe are connected; the secondary inlet pipe, the other receiving cavity, and the secondary outlet pipe are connected. An inlet valve is installed on each of the main and secondary inlet pipes, and an outlet valve is installed on each of the main and secondary outlet pipes. The purpose is to solve the problem of the large footprint of underground pressure regulating devices. The achieved technical effect is a reduction in the footprint.

The invention discloses an ESC power-on and power-off dormancy durability test method and system, and the method comprises the steps: S1, building a test environment, enabling a to-be-tested ESC vehicle body stabilization system, a network test tool and a VBA message analysis simulation tool to be connected to the same test bench communication network, and deploying a TAE automatic test tool; s2, regulating and controlling the network test tool to enable the network test tool to inject a high load into the test bench communication network, and enabling a bus load rate to be stabilized in a preset target interval; s3, starting a durability test, controlling and activating the VBA message analysis simulation tool by the TAE automatic test tool so that the VBA message analysis simulation tool begins to collect an ESC core message according to a set sampling rate, and starting log recording; s4, the TAE automatic testing tool executes the power-off-dormancy-power-on circulation process according to the preset number of cycles until all cycles are completed, and meanwhile the network testing tool continuously monitors and maintains the load rate stable. According to the method, the ESC communication can be fully, effectively and reliably verified, and the communication fault risk of the ESC under the cyclic dormancy power-on working condition is eliminated.

The utility model provides a kind of self-cleaning structure equipment of siltation-preventing of Yellow River diversion sluice, it is related to sluice siltation-preventing technical field, including sluice, the outside of sluice is provided with silt pumping mechanism;Silt pumping mechanism includes controller, the back of controller is fixedly connected with the front of sluice, the bottom of sluice is fixedly connected with ultrasonic sensor, the inner wall of sluice is fixedly connected with submersible silt pumping pump, the input end of submersible silt pumping pump is through sluice and extends to the inside of sluice, the output end of submersible silt pumping pump is fixedly communicated with transmission pipe.This kind of self-cleaning structure equipment of siltation-preventing of Yellow River diversion sluice, by ultrasonic sensor can detect the thickness of silt accumulation at any time, in combination with submersible silt pumping pump, controller and transmission pipe, can automatically adjust the speed of submersible silt pumping pump according to the thickness of silt, when silt reaches certain thickness, submersible silt pumping pump starts to work and pumps out the silt above, not only reduce the land used due to pumped silt, reduce artificial maintenance cost.

The utility model relates to the technical field of building engineering construction, and disclose a protective net for building engineering construction, including first vertical pole, the outer wall fixed connection of first vertical pole has second ring belt, the outer wall fixed connection of second ring belt has protective net main part, the outer wall fixed connection of protective net main part has first ring belt, the inner wall fixed connection of first ring belt has second vertical pole, the outer wall swing joint of protective net main part has the band, this protective net for building engineering construction, through setting up first vertical pole, engagement block, protective net main part, second vertical pole, engagement hole, band, first ring belt and second ring belt, can be rolled up and stored after this protective net uses, after using the protective net, it is convenient to reduce its occupied area, while reducing the occupied space of protective net and being convenient for storage, also, it is convenient for people to carry, further facilitate people's use.

The application discloses a kind of adjustable oil tank overflow interface components and oil tank expansion space size adjusting method, belong to aero-engine lubrication (oil) system design technical field. Overflow interface components are mainly composed of overflow joint, overflow elbow, sealing ring, bushing, bolt, locking type has broken slot steel wire screw, mounting seat etc..The application can control the size of expansion space in oil tank according to the actual demand of oil tank, control the overflow of liquid in oil tank by rotating overflow elbow, prevent oil leakage caused by excessive oiling, maintain system pressure balance, and automatically discharge in abnormal conditions.The application is applied to aero-engine oil system oil tank, with small volume, light weight, high integration and good maintenance, etc., can realize the role of oil tank adjusting expansion space.

The present application relates to the technical field of fuel cell, in particular to a fuel cell single cell module, a preparation method thereof, a fuel cell core and a fuel cell system. The fuel cell single cell module comprises a frame, a membrane electrode, an anode plate and a cathode plate. A plurality of hollowed-out reaction zones are arranged in the middle of the frame, and the periphery of the frame is provided with a hollowed-out anode gas inlet, an anode gas outlet, a cathode gas inlet, a cathode gas outlet, a cooling medium inlet and a cooling medium outlet. Compared with the scheme of using multiple traditional stacks in combination, the combination use of multiple electric energy output units can be realized in a smaller volume and lower weight. Therefore, the present application can not only improve the volume specific power density and mass specific power density of a single fuel cell single cell module, but also improve the volume specific power density and mass specific power density of a stack formed by stacking multiple fuel cell single cell modules.

The invention provides a translation type disconnecting switch, and relates to the technical field of low-voltage electrical appliances, the translation type disconnecting switch comprises a handle, an operating mechanism connected with the handle, and at least two contact assemblies, the at least two contact assemblies are stacked, each contact assembly comprises a slide block and a plurality of moving contacts arranged on the slide block, and the moving contacts are arranged on the slide block. The sliding blocks of the multiple contact assemblies are arranged in a stacked mode and connected in sequence, the sliding block close to the operating mechanism is connected with the operating mechanism, and under driving of the operating mechanism, the sliding blocks of at least two contact assemblies move to drive the moving contacts to move so as to make contact with or be separated from the corresponding static contacts to achieve opening and closing. According to the translation type isolation switch provided by the invention, the problems of large occupied space and complex structure of a capacity expansion isolation switch in the prior art are solved.