11results about How to "Realize automatic water replenishment" patented technology

The present invention discloses a liquid level control system and a liquid level control method, the liquid level control system comprises: a water tank, a first float guide valve and a second float guide valve are installed, the first float guide valve is arranged below the second float guide valve; a water supply main pipe is used to supply water to the water tank; a liquid level control valve is installed on the water supply main pipe; the liquid level control valve comprises a valve body, a main valve cover, an auxiliary valve cover, a main diaphragm and an auxiliary diaphragm, the valve body has a medium channel, the water inlet end and the water outlet end of the medium channel are connected through the main water supply port and / or the auxiliary water supply port; the main diaphragm can seal the main water supply port, and a first chamber is formed between the main diaphragm and the main valve cover; the auxiliary diaphragm can seal the auxiliary water supply port, and a second chamber is formed between the auxiliary diaphragm and the auxiliary valve cover; an adjusting component comprises an adjusting rod, and the adjusting rod is used to limit the auxiliary diaphragm to the end of the stroke. According to the liquid level control system of the present invention, the frequent opening and closing of the main valve can be avoided, the service life of the main valve and the float guide valve can be extended, and the regulating and storing function of the water tank can be fully utilized.

The utility model provides a toilet flushing device suitable for a railway vehicle. The toilet flushing device comprises a first air supply device, a first electromagnetic valve, a water supply device, a water inlet valve, a water tank, a control panel, a flushing button, a second air supply device, a second electromagnetic valve, a flushing valve and a toilet. The control panel is connected with the first electromagnetic valve, the water inlet valve, the liquid level sensor, the flushing button and the second electromagnetic valve; the first electromagnetic valve is installed between the air supply device and the water tank and connected through an air pipe. The water inlet valve is installed between the water supply device and the water tank and connected through a water pipe. The second electromagnetic valve is mounted between the second air supply device and the flushing valve and is connected through an air pipe; the flushing valve is arranged between the water tank and the toilet stool and is connected through a water pipe; the control panel is used for controlling the first electromagnetic valve to be opened after the flushing button is triggered, the flushing valve is opened, and water in the water tank flushes the toilet bowl under the action of pressure. According to the utility model, automatic water replenishing of the water supercharging device can be realized, and meanwhile, the problem of long-term water flowing caused by valve clamping stagnation is avoided.

This invention relates to the field of blast furnace dust control technology, specifically to an integrated dust control device for environmentally friendly charging and injection of nickel-containing raw materials in a blast furnace. The device includes a base plate, inclined bridge tracks, and guide rails. Two inclined bridge tracks, oriented towards the blast furnace, are fixedly installed on the base plate. Limiting rails for guiding blast furnace charging cars are provided on the inclined bridge tracks. A guide rail is fixedly connected between the two inclined bridge tracks. A dust suppression mechanism for suppressing dust generated during the loading and unloading of blast furnace charging cars is slidably installed on the guide rails. The dust suppression mechanism of this invention moves synchronously up and down along the guide rails with the blast furnace charging car via a drive mechanism, always aligning with the charging car's loading port. It achieves dynamic tracking dust suppression throughout the entire process of loading, unloading, and tipping. The spray pattern can be adjusted by the cooperation of the support frame and the protrusions on the mounting rod, ensuring uninterrupted dust suppression and effectively preventing dust overflow.

The embodiment of the present application provides a water supplement device and a humidifier. The water supplement device has a water inlet for being connected with a water supply system, a water supply port for being connected with a water inlet pipe in a humidifying device, and a signal input end for being connected with a control end of at least one humidifier body in the humidifying device. The water supplement device comprises a control circuit and a water inlet control assembly. The control circuit outputs a water supplement instruction under the joint control of a water request from the at least one humidifier body and a water inlet instruction. The water inlet instruction is controlled by a comparison result between a characteristic parameter of water from the water supply system and a preset characteristic range. The water inlet control assembly comprising a water inlet valve is configured to control the water inlet valve to be opened in response to the water supplement instruction, so that water flowing into the water inlet is transported to the water supply port to supplement water to each humidifier body connected with the water inlet pipe through the water inlet pipe. The present application realizes automatic water supplement of the humidifying device and improves the reliability of water supplement.

The utility model belongs to shaft seal heater water level control technical field especially relates to a kind of water level monitoring and water replenishing system of shaft seal heater multistage water seal, shaft seal heater is equipped with water drain outlet, water drain outlet is connected multistage water seal inlet by pipeline, multistage water seal outlet connects exhaust device, multistage water seal inlet and multistage water seal outlet are all installed manual valve, the multistage water seal parallel bypass pipeline, multistage water seal inlet and multistage water seal outlet are all installed differential pressure transmitter, multistage water seal inlet end top is connected emptying pipeline, emptying valve is connected on emptying pipeline, multistage water seal outlet end top is connected water replenishing pipeline, water replenishing pipeline parallel bypass pipeline, solenoid valve is connected on water replenishing pipeline, both ends of solenoid valve are connected manual valve on water replenishing pipeline, differential pressure transmitter and solenoid valve are all connected control system. The system realizes water level on-line monitoring and automatic water replenishing, prevent water level too high or too low, improve operating stability.

The utility model belongs to the field of animal feeding, especially for a kind of automatic feeding device for laboratory animal feeding, including rearing cage, four equidistance water troughs are fixedly connected to the front side of rearing cage, when water is fed into water distribution pipe, the water in water trough is supplemented by opening the first solenoid valve corresponding to each water trough, the water level in water trough is monitored by cooperating infrared sensor, water is automatically supplemented when water level reduces to the height of water supplement, water supplement stops after rising to appropriate height, the extension frame is power-connected to electric sliding rail, the weighing frame is power-connected to electric push rod, the electronic scale is fixedly connected to the lower side of connecting plate in weighing frame, the connecting plate is abutted with electronic scale, the feed in collection frame is poured, the feed is weighed by electronic scale, and the feed after weighing is moved left and right by electric sliding rail, the third solenoid valve is opened, and the feed is uniformly discharged from feeding pipe, and the continuous, stable and accurate nutrition supply for experimental animal is realized.

The utility model discloses a kind of slipform machine water replenishing trowelling mechanisms, including slipform machine, the tail of the slipform machine is dragged with trowelling plate by traction piece, main spraying assembly that the slipform machine is equipped with is sprayed to forward ground, counterweight water tank is equipped on the trowelling plate, vice spraying assembly is equipped on the counterweight water tank, the spraying plate between the tail of slipform machine and trowelling plate is included in the vice spraying assembly, the lower end of the spraying plate is equipped with multiple water outlets distributed along concrete paving direction, the slipform machine is equipped with the water replenishing piece being communicated with counterweight water tank, the water replenishing piece is the counterweight water tank to maintain its weight with water replenishing.The utility model can wet ground before paving, avoid concrete to form hidden crack due to lower layer water loss speed too fast, and can water replenish to the concrete of paving, improve trowelling effect.

The utility model provides a domestic sewage delivery centrifugal pump which comprises a pump body and a motor, one end of the pump body is provided with a water inlet pipe, the other end of the pump body is provided with a drainage pipe, the output end of the motor is connected with the pump body, one side of the pump body is further provided with a water storage tank, water is stored in the water storage tank, and the water storage tank is further provided with a micro pump. A first suction pipe is arranged at the water inlet end of the micro pump and located in the water storage tank, a first conveying pipe is arranged at the water drainage end of the micro pump, and the extending end of the first conveying pipe is communicated with the side wall of the water drainage pipe. Water in the water storage tank can be sucked to the drainage pipe by controlling the micro pump to start and cooperating with the first suction pipe and the first conveying pipe, so that the water enters the pump body through the drainage pipe, automatic water replenishing of the pump body is achieved, the problem of original manual water replenishing is solved, an operator does not need to work in a severe environment, and use and operation are convenient.

This invention relates to the field of respiratory protection safety technology in coal mines, and discloses a thermal fatigue testing device for airbags in positive pressure oxygen respirators. The device includes a controller, an electrically heated water tank, a first temperature sensor, an inflation pump, a deflation pump, an electric valve, a second temperature sensor, a differential pressure sensor, a pressure relief valve, a detection air path, an airbag, and an alarm. The controller controls the inflation pump to inflate, the heated water tank to heat, and the deflation pump to evacuate, providing a stable and controllable heat source for the test platform. Simultaneously, it collects real-time data such as air pressure and temperature inside the airbag from the sensors, and maintains the set test pressure of the airbag by controlling the opening of the electric valve in conjunction with the deflation valve. It also provides real-time data for human-machine interaction and receives control and operation commands. This solution can simulate the real working environment of the airbag, realize automatic data acquisition, and thus achieve effective and rapid judgment of the airbag heat sealing process quality, improving testing efficiency and reducing testing costs.

The utility model relates to the technical field of hydrogen bath machines, and particularly discloses a hydrogen bath machine with an automatic water replenishing function, which comprises a front cover plate, a side cover plate hinged to the outer side of the front cover plate, a control panel fixedly connected to the outer side of the front cover plate, and a pre-filter fixedly connected to the inner bottom of the front cover plate. The output end of the prefilter is fixedly connected with a turbine, the output end of the turbine is fixedly connected with a hydrogen dissolving pump and a resin filter, the output end of the hydrogen dissolving pump is fixedly connected with a bubbler, the output end of the resin filter is fixedly connected with a water tank, and a limiting pipe is fixedly connected into the water tank. By arranging the alarm mechanism, after long-term use, when the TDS sensor detects that the water quality exceeds the standard, a signal is sent to the main control system, and then the power supply stops working, so that the power supply is protected from being burnt out, and an alarm is given to prompt a user to replace the bubbler.

This utility model discloses a system for preventing blockages in water intake pipes, comprising: a first filter head, a first basket filter, a first electric contact vacuum pressure gauge, and a first water intake pump connected sequentially via pipes; a second filter head, a second basket filter, a second electric contact vacuum pressure gauge, and a second water intake pump connected sequentially via pipes; a backwash pump, the inlet of which is connected via pipes to the outlets of the first and second filter heads respectively, and a first backwash electric valve and a second backwash electric valve respectively installed on the pipes between the backwash pump and the first and second filter heads; and a backwash water tank with a liquid level sensor on its top. This utility model effectively solves the problems of existing water intake pipe anti-blockage systems being complex in structure, occupying a large space, inconvenient underwater cleaning of the pipes once blockage occurs, and water intake safety.