12results about "Converting sensor output using fluid means" patented technology

The invention relates to a method for detecting the presence of a trailer, comprising: inflating (S1) a trailer supply line (106) and / or using a pressurized trailer supply line (106); venting and / or deflating the trailer supply line (106) (S2); acquiring (S3) a pressure formed in the trailer supply line (106) during inflation (S1) and / or use and / or during deflation and / or deflation (S2); and determining (S4) whether a trailer is connected to the trailer supply line (106) on the basis of the acquired pressure, in particular the acquired pressure profile. The invention further relates to a system (100) for detecting the presence of a trailer and to a vehicle (V) comprising said system (100).

The invention provides a formation negative pressure pipeline detection method, electronic equipment and a computer readable storage medium, and the method can comprise the steps: controlling a negative pressure value of a formation equipment negative pressure pipeline to be within a set interval in a battery cell formation process; acquiring a negative pressure change trend of a negative pressure pipeline of the formation equipment; and on the basis of the negative pressure change trend, the blockage condition of the negative pressure pipeline is judged. In the implementation mode, more accurate and objective blockage judgment can be realized, and the blockage detection efficiency can be improved.

The application provides a formation negative pressure pipeline detection method, an electronic device and a computer readable storage medium, wherein the method can include: in the process of cell formation, controlling the negative pressure value of the formation equipment negative pressure pipeline to be in a set interval; obtaining the negative pressure change trend of the negative pressure pipeline of the formation equipment; based on the negative pressure change trend, judging the blockage condition of the negative pressure pipeline. In the implementation mode, not only can more accurate and objective blockage determination be achieved, but also the efficiency of blockage detection can be improved.

The utility model provides a detection device which is suitable for a positioning tool, the positioning tool is used for positioning a workpiece to be positioned, and the detection device comprises a first cavity; the positioning piece has a positioning state in which the positioning piece is connected with the workpiece to be positioned and a separation state in which the positioning piece is separated from the workpiece to be positioned, the positioning piece is movably arranged in the first cavity so that the positioning piece can be switched between the positioning state and the separation state, and an air outlet communicated with the outside is formed in the positioning piece; the detection mechanism comprises a first air inlet channel and a second air inlet channel, so that when the positioning piece is in the positioning state, the first air inlet channel is communicated with the air outlet, and the second air inlet channel is disconnected from the air outlet; when the positioning piece is in a separated state, the second air inlet channel is communicated with the air outlet, and the first air inlet channel is disconnected from the air outlet; air is introduced into the first air inlet channel and the second air inlet channel, and air pressure in the first air inlet channel and the second air inlet channel is detected, so that whether the positioning piece is in a positioning state or a separation state is judged. According to the utility model, the problem of poor detection accuracy of a positioning detection mode in the prior art is solved.

A fluid sensor adapter for reducing air bubbles in a fluid includes a first chamber including an inlet configured to receive diesel exhaust fluid, the first chamber including a first segment at a proximal end of the fluid sensor adapter, a third segment at a distal end of the fluid sensor adapter, and a second segment between the first and third segments, the diameter of the second segment being smaller than the diameter of the first segment, an inlet from the second segment to the third segment being narrower than the diameter of the second segment, the reduction in diameter from the first segment to the second segment and the narrowing of the inlet from the second segment to the third segment comprising a tortuous vent path configured to prevent air within the fluid from reaching a sensor.

The application relates to the technical field of detection equipment, in particular to a symmetry part edge detection equipment and method based on air pressure detection, which comprises a platform substrate, an air cylinder arranged above the platform substrate, a detected hole penetratingly arranged on a part and a detection air nozzle, the detection air nozzle is controlled to ascend and descend through the air cylinder; the part is positioned and placed on the platform substrate, the detection air nozzle corresponds to the detected hole up and down when the part is installed in a normal direction; the symmetry part edge detection equipment based on air pressure detection can detect the edge reverse problem of the symmetry part which is prone to occur in the assembly process, avoids the misjudgment risk of manual visual inspection, can realize batch synchronous detection, and improves the detection efficiency.

The utility model discloses a part verticality detection tool, which relates to the technical field of verticality detection tools and comprises a detection platform, a part pasting unit for amplifying detection results and a height setting unit. A rod seat is adsorbed at the upper end of the detection platform, a magnetic disc is embedded in the rod seat, a straight optical shaft is mounted at the upper end of the rod seat, and a shaft sliding seat is slidably connected to the straight optical shaft; the attaching unit comprises a transverse column with one end connected to the shaft sliding seat, a thin column groove is formed in one end of the interior of the transverse column, a piston disc is slidably connected to the interior of the thin column groove, a thick column groove is formed in the other end of the interior of the transverse column, and the thick column groove communicates with the thin column groove; according to the utility model, the sticking ball is always in contact with the surface of the detected part, and when the vertical surface of the part is sunken or protruded, the piston disc can move quickly, so that the visualization of the verticality detection of the part is realized, the tiny offset is amplified, the observation of a worker is facilitated, the operation is simple and convenient, the cost is low, and the applicability is stronger.

A fluid sensor adapter for mitigating fluid entrainment includes a first chamber including an inlet configured to receive a diesel exhaust treatment fluid; wherein the first chamber comprises a first section at the proximal end of the fluid sensor adapter, a third section at the distal end of the sensor adapter, and a second section between the first section and the third section; wherein the diameter of the second section is smaller than the diameter of the first section, and wherein the inlet from the second section to the third section is narrower than the diameter of the second section; and wherein the decreasing diameter from the first section to the second section and the narrowing of the inlet from the second section to the third section include a tortuous vent passage configured to prevent air in the fluid from reaching the sensor.

Provided is a diesel exhaust fluid (DEF) sensor adapter. The sensor adapter may include two chambers. The first chamber may include a tortuous pathway for fluid and / or air flow. The second chamber may be fluidly sealed or separated from the first chamber and may house electrical components. The tortuous pathway may include varying stepped segments having a decreasing diameter from a proximal toward a distal end. For example, a first segment at the proximal end may have a larger diameter than a second, middle segment. An entrance to a third segment from the second segment may have a greatly reduced size. The tortuous pathway may further include a vent inlet positioned at approximately the same height as the entrance but requiring an approximate 180° turn therebetween. The inlet may extend into two opposite substantially horizontal portions that each lead to a vent outlet on opposite sides of the sensor adapter. The turn from the inlet to the substantially horizontal portions may be approximately 90°. The sensor adapter and tortuous pathway may mitigate aeration of DEF. The sensor adapter may prevent aerated DEF from entering the sensor adapter and may allow air to vent out of the sensor adapter to prevent aeration of DEF within the sensor adapter.

Systems and methods of the present disclosure relate to non-intrusive tracking or locating of objects in a conduit from a single location. A system comprises a vessel comprising a pressurized fluid, a

The utility model belongs to the technical field of air conditioner compressor end plate oil duct through detection, and particularly relates to an air conditioner compressor end plate oil duct through detection device which comprises a base, a fixing table is installed on the base, a first rubber plug is installed on a first rubber pad, an end plate is placed on the first rubber pad, and a second rubber plug is installed on the end plate. A ventilation box is installed on the end plate, a second air guide pipe is installed on the ventilation box, two grooves are symmetrically formed in the side wall of the second air guide pipe, moving frames are assembled in the two grooves, positioning rods are installed on the top sides of the moving frames, sealing covers are installed on the two sides of the moving frames, and when the end plate rotates the oil channel opening to the position above the positioning rods, the positioning rods are clamped in the oil channel opening; the end plate cannot rotate, the second gas guide pipe and the oil duct opening cannot be completely aligned, but the oil duct opening is covered with the sealing cover, so that the interior of the sealing cover is in a sealed state, rapid connection of the oil duct opening and the detection pipe is achieved, and the assembly convenience is improved.

The invention relates to the technical field of detection equipment, in particular to symmetrical part edge-following detection equipment and method based on air pressure detection, the symmetrical part edge-following detection equipment comprises a platform base plate, an air cylinder arranged above the platform base plate, a detected hole formed in a part in a penetrating mode and a detection air tap, and the detection air tap is controlled to ascend and descend through the air cylinder; a part is positioned and placed on the platform substrate, and when the part is installed in the forward direction, the detection air tap corresponds to a detected hole up and down; according to the symmetrical part edge-following detection equipment based on air pressure detection, the edge-following and reverse problems easily occurring in the assembling process of symmetrical parts can be detected, the risk of misjudgment caused by manual visual judgment is avoided, meanwhile, batch synchronous detection can be achieved, and the detection efficiency is improved.