45results about How to "Precise control of filling volume" patented technology

The invention relates to an LED two-sided overturning advertisement board structure which comprises a triangular prism two-sided aluminum profile and a PCB (Printed Circuit Board) arranged on one side face of the two-sided aluminum profile from bottom to top, wherein a plurality of LED lamps are uniformly arranged on the PCB, and a plurality of independent lamp holders for covering respective LED lamps are mutually independently arranged on the PCB; and extension edges are extended from another two intersecting side faces of the two-sided aluminum profile along the opening direction of an included angle, and a sealing layer is filled in a space surrounded by the extension edges, the PCB and the independent lamp holders. In the invention, the independent lamp holders are adopted and the sealing layer is filled in the whole surface, so that uneven illumination is prevented, the problem that the LED advertisement board is soaked by rainwater in outdoor use is effectively eliminated, the quality reliability and the service life of the advertisement board are increased, and the maintenance frequency is reduced. Meanwhile, the filling amount can be accurately controlled, efficient and automatic production is realized, the processing cost is greatly lowered, and the production efficiency is increased.

The invention discloses a ton packaging umbrella type filling head and a ton packaging method of the umbrella type filling head, and belongs to the field of filling equipment. The ton packaging umbrella type filling head comprises a material conveying pipe connected with a material bin, an umbrella surface folding and unfolding device which can extend to the lower part of the material conveying pipe and comprises a conical umbrella surface is arranged in the material conveying pipe, the umbrella cover folding and unfolding device enables the umbrella cover to form different discharging angles;a ton packaging method of the umbrella type filling head comprises the following steps that a, the umbrella surface folding and unfolding device is driven to descend to the lower part of the materialconveying pipe; b, the umbrella surface of the umbrella surface folding and unfolding device is opened; c, a filling program is executed; d. when the filling quantity reaches the set weight, the umbrella surface of the umbrella surface folding and unfolding device is controlled to be recovered and rises to the initial position of the step a. According to the ton packaging umbrella type filling head and ton packaging method, falling objects are uniformly distributed in the packaging bag, the problem that the filling of the packaging bag is not full due to the problem of material accumulation angle is avoided, and the filling efficiency and the packaging amount of the ton packaging bag are improved.

The invention discloses a filling system and a filling method by utilizing the filling system. The filling system comprises a filling mechanism, wherein the filling mechanism comprises a first station, a second station and a filling machine used for filling a filling medium into a filling container; the first station is used for performing non-sealed filling on the filling container; and the second station is used for performing sealed filling on the filling container subjected to non-sealed filling at the first station. According to the filling system and the filling method, when the filling container is positioned at a positioning station, the filling container is positioned below the filling machine, so as to carry out positioning and centering; when the filling container is positioned at the first station, the container is rapidly filled by the filling machine, gases in the filling container can be discharged through an opening of the filling container, the gas discharge speed is increased, and the filling efficiency is improved; and when the filling container is positioned at the second station, the filling container is subjected to low-speed sealed filling by the filling machine, and air bubbles are reduced.

The invention provides a chemical dosing device for a natural gas pipeline. The chemical dosing device for the natural gas pipeline comprises an energy conversion portion, a first filling portion and an electronic control unit. The energy conversion portion is used for converting pressure of natural gas in the natural gas pipeline into hydraulic energy and electric energy. The first filling portion is communicated with the energy conversion portion and is driven by the energy conversion portion to fill first filling agents into the natural gas pipeline. The electronic control unit is electrically connected with the energy conversion portion and the first filling portion and is used for controlling the filling amount of the first filling portion. By means of the chemical dosing device for the natural gas pipeline, chemical dosing can be carried out under the condition that no extra power source is added, and the chemical dosing amount can be accurately controlled.

The invention discloses a closed low filling rate parallel storage tank filling method. The method includes: when filling the propellant, according to the characteristics of the parallel storage tanks of the propulsion system with a low filling rate, adjusting the parallel storage tanks Tox1 and Tox2 to different back pressures, and obtaining the weighing zero point of the filling amount of the storage tank Tox2; The self-locking valve LV2 of the downstream liquid port of the tank Tox2 is used to fill the storage tank Tox2 to the predetermined filling amount; close the self-locking valve LV2 to obtain the weighing zero point of the filling amount of the storage tank Tox1; open the downstream liquid port of the storage tank Tox1 The self-locking valve LV1 fills the storage tank Tox1 to a predetermined filling amount; finally opens the upstream air port addition and discharge valves of the storage tanks Tox1 and Tox2, and fills the parallel storage tanks with extruded helium at a predetermined pressure. The invention realizes the purpose of filling the parallel storage tanks with low filling rate without venting through the gas port.

The invention relates to the field of charging liquid in a sealing mode, and particularly relates to a filling, storing and charging device and a charging method of ultrapure cooling liquid of a water-cooled frequency converter. According to the filling, storing and charging device and the charging method, a gas path pipe is connected with a second two-way air valve so as to be arranged on the top of a pressure bearing container liquid tank, a liquid path pipe is connected with a two-way liquid valve so as to pass through the top of the pressure bearing container liquid tank to the bottom, the other end of the two-way liquid valve is connected with a liquid path flowmeter, quick change connection are formed on both ends of the liquid path flowmeter, the pressure bearing container liquid tank is made of pressure resistant stainless steel materials, the pressure bearing container liquid tank is integrally sealed, and a safety relief valve is installed on the top of the pressure bearing container liquid tank. The device is sealed in a charging process, so that safety accidents caused by charged elements in a high-voltage environment are avoided; additionally, the charging process is carried out in a sealing state, so that the cooling liquid does not make contact with air, and the quality of the cooling liquid is not changed.

The invention discloses a device for processing a hydraulic braking system of a vehicle. The device includes an equipment oil tank, a main pipeline, an oil pump device and a control device. The inlet end and the outlet end of the main pipeline are both connected to the equipment oil tank. The oil pumping device includes: a first flow pump and a second flow pump, the flow rate of the first flow pump is smaller than the flow rate of the second flow pump, and both the first flow pump and the second flow pump are used to pump the oil in the oil tank of the equipment into the main pipeline , the control device is used to control the oil intake of the main circuit. According to the device for processing the vehicle hydraulic brake system of the present invention, since the oil pump device includes the first flow pump and the second flow pump, and by setting the regulating device, the oil volume of the main circuit can be regulated, so as to better satisfy the different actual requirements.

The invention provides a multi-color and block-shaped powder forming machine and method. The machine is characterized by comprising a conveying system, a charging unit, a filling unit, a primary pressing unit, a final pressing unit and a product output unit, wherein the conveying system comprises at least one conveyor belt and is capable of conveying a bottom die which is loaded with an inner plate to the filling unit, the primary unit, the final pressing unit and the product output unit in sequence; the charging unit comprises at least two main charging machines for charging different-color materials into the filling unit; the filling unit is capable of filling at least two different-color materials into the inner plate; the primary pressing unit is capable of primarily pressing the materials in the inner plate into multi-color block-shaped powder; the final pressing unit is used for further pressing the multi-color block-shaped powder in the inner plate; and the product output unit is used for outputting the inner plate which is filled with the multi-color block-shaped powder. With the adoption of the machine, a plurality of materials with different colors can be poured to one inner plate and pressed and formed in one time, thus obtaining a multi-color block-shaped powder cosmetic.

The invention discloses an alloy filling device for pipe bending. The alloy filling device comprises a control system, a low temperature alloy fusion bath, an alloy filling device body, a water bath device comprising a water bath with the water temperature controlled from 30 DEG C to 35 DEG C, a rotating work table and a press machine. A control switch electrically connected with the control system and used for controlling the flow of low temperature alloy is arranged at the discharge port of the alloy filling device body. The rotating work table is arranged in an inclined mode, the included angle between the plane where the rotating work table is located and the horizontal direction ranges from 15 degrees to 30 degrees, and a motor drives the rotating work table to rotate. A plurality of stations where pipe blanks are placed are arranged on the rotating work table in the circumferential direction, the station for filling in the rotating work table is located right below the discharge port, and the station for machining in the rotating work table is located close to the press machine. The rotating work table and the to-be-filled pipe blanks at the station for filling are soaked in the water bath. The alloy filling device has the advantages that the structure is compact, the temperature control effect is better, the low temperature alloy filling effect is better, the cooling mode is more reasonable, and the rejection rate of pipe bending can be controlled better.

The invention discloses a device for processing a hydraulic brake system of a vehicle. The device includes an equipment fuel tank, a main pipeline and a fueling pipeline. The inlet and outlet ends of the main pipeline are connected to the equipment fuel tank, and the fueling pipeline It includes at least one of an external refueling pipeline and an internal refueling pipeline, wherein the inlet end of the external refueling pipeline is communicated with the equipment oil tank, and the outlet end of the external refueling pipeline is used to refuel the oil tank of the vehicle hydraulic brake system; The outlet end of the inner fueling pipeline is communicated with the equipment fuel tank, and the inlet end of the inner fueling pipeline is located outside the equipment fuel tank and is used for fueling the equipment fuel tank. According to the device for processing the vehicle hydraulic brake system of the present invention, by setting the refueling pipeline, the device has at least one function of self-refueling and external refueling, which is convenient to use.