99 results about "Float switch" patented technology

The invention discloses a hydropower station expansion tank water level prediction alarm method and system, belongs to the technical field of hydropower station automatic control, and aims to solve the technical problems of limited monitoring points, high false alarm rate, response delay and the like of a traditional hydropower station expansion tank water level alarm system. According to the invention, the multi-mode sensing network is constructed, and data of the pressure sensor array, the radar level meter and the float switch group are fused, so that space continuous monitoring is realized; a three-level sensing architecture is adopted, heterogeneous data is subjected to normalization processing, and dimensional differences are eliminated; the LSTM network is used for liquid level prediction, and a self-adaptive window adjustment mechanism is combined, so that the prediction flexibility and accuracy are improved; a DQN algorithm is adopted to optimize a control strategy, fine adjustment of the liquid level is achieved by adjusting the opening degree of the valve, the accuracy, timeliness and intelligent level of water level monitoring and alarming of the expansion water tank of the hydropower station are remarkably improved, the stability of the liquid level of the water tank is ensured, the system operation efficiency is optimized, the manual intervention requirement is reduced, and safety is improved.

The invention discloses a water inlet detection method of clothes washing equipment, a medium and the clothes washing equipment, and the clothes washing equipment comprises a water level detection sensor which is arranged at a designated position in a washing barrel and is used for detecting the water level frequency corresponding to the water level in the washing barrel; the float switch is arranged at a specified height in the washing bucket and is used for generating a corresponding water level indication signal according to whether the water level in the bucket reaches the specified height or not; the method comprises the following steps: when the clothes washing equipment controls a water inlet module to feed water, obtaining water inlet time, a water level frequency corresponding to a current water level in a barrel and a water level indication signal; when the water inlet time reaches the first time, judging whether the water level frequency reaches the first frequency or not; and when the water level frequency does not reach the first frequency, determining the water inlet abnormity type of the clothes washing equipment according to the water level indication signal and the change state of the water level frequency in at least the first time, thereby accurately and rapidly determining the reason of water inlet abnormity, and facilitating a user to know the current state of the clothes washing equipment.

The utility model relates to a stream duckbilled floating ball switch device, and belongs to the field of switch devices, the stream duckbilled floating ball switch device comprises a duckbilled floating ball switch and a protection box used for arranging the duckbilled floating ball switch, and the protection box is provided with a floating cavity used for allowing the duckbilled floating ball switch to float up and down; the protection box comprises a protection cover and a mounting plate used for covering an opening of the protection cover, and water permeable through holes are evenly distributed in the protection cover. The protective cover comprises a first side plate which is vertically arranged on the end face of the mounting plate, and the first side plate is provided with a mounting seat for mounting the duckbilled float switch. The duckbilled floating ball switch has the effect of reducing the probability that the duckbilled floating ball switch is damaged by impact in the use process.

A method, system, medium and product for analyzing oil leakage at an oil-filled cable terminal relate to the field of electrical digital data processing. In implementing this application, the detection system collects the temperature values ​​of each sensor based on the sensor array arranged longitudinally on the inner side of the closed structure of the oil-filled cable terminal, calculates the temperature difference sequence, and extracts the characteristic parameters of the temperature field in the closed structure. The detection system corrects the finite element simulation results in combination with the current ambient temperature and the current load current, and obtains the corresponding relationship between the oil leakage temperature under actual working conditions, thereby accurately reflecting the oil leakage situation under actual working conditions. This oil leakage analysis method based on the corresponding relationship between the temperature field characteristic parameters and the oil leakage temperature under actual working conditions avoids the limitations of traditional detection methods that rely solely on oil level gauges and float switches for detection, improves the perception ability of slow leakage and the accuracy of quantitative analysis, can timely and accurately discover oil leakage hazards, prevent accidents, and improve the accuracy and reliability of oil leakage detection.

The embodiment of the application provides a clothes dryer, comprising: a shell; a drum arranged in the shell; a water storage box, comprising a base water box; a drainage pump arranged in the base water box; a float switch fixed beside the drainage pump, comprising a floating state of a float ball and a falling state of the float ball; a controller connected with a timer, the drainage pump and the float switch respectively, the controller being configured to perform the following steps: when it is detected that the float switch is in the floating state of the float ball, the drainage pump is controlled to work and the timer is started; when it is detected that the float switch is switched from the floating state of the float ball to the falling state of the float ball, the timing duration of the timer and the drainage amount of the drainage pump are acquired; based on the drainage amount and the timing duration, the drainage rate of the drainage pump is calculated; based on the drainage rate and the to-be-drained amount, the residual drainage duration is determined; and the drainage pump is controlled to stop working after continuing to work for the residual drainage duration. The application can guarantee the drainage effect while eliminating the drainage noise.

The tightness-adjustable fire-fighting ball valve comprises a base valve, a ball core, a ball rotating mechanism, a sealing valve seat and a floating transposition mechanism, the base valve is provided with a flowing channel allowing fluid to flow in and out, and the ball core is rotatably arranged at the flowing channel and keeps sealed with the base valve through the sealing valve seat; the rotating ball mechanism can drive the ball core to rotate to open or cut off a fluid channel, the floating transposition mechanism is installed on the base valve and can drive the sealing valve seat to be away from the ball core through the traction effect or drive the sealing valve seat to be close to the ball core through elastic force, sealing reliability can be guaranteed, and meanwhile flexible adjustment of sealing tightness is achieved. The problems that a traditional ball valve is fast in abrasion, short in service life, high in maintenance cost and the like are effectively solved, and the remarkable practical value and popularization significance are achieved.

The utility model discloses a refrigeration water tank for refrigeration air conditioning equipment, particularly relates to the technical field of refrigeration water tanks, and comprises a device main body, a floating switch component is arranged in the device main body, and the upper end and the lower end of the floating switch component extend to the outer sides of the upper end and the lower end of the device main body. According to the refrigeration water tank for the refrigeration air-conditioning equipment, the water level of circulating water can be monitored in real time through the floating assembly, the ventilation opening is gradually closed by increasing the water level, the injection amount of the circulating water can be guaranteed, the refrigeration water tank can be matched with the filter screen to filter the circulating water, and the circulating water is injected from the side edge through the water inlet pipe; the water outlet assembly is matched with the water guide plate to keep and guide impact force of injection of circulating water, so that water is injected in a spiral motion track, the refrigerating effect of the circulating water is more uniform, and the water outlet assembly is matched with the floating assembly to automatically open the water outlet after the water outlet assembly reaches a fixed water level. The refrigeration effect of the water tank on circulating water can be improved while the automation of the device is improved.

The invention belongs to the field of liquid level measurement, and relates to a water-turbine generator set top cover water level monitoring method and system, and the method comprises the following steps: S1, obtaining the water level information of a float switch, the water level information of a first liquid level transmitter and the water level information of a second liquid level transmitter; s2, obtaining a first liquid level transmitter measurement value and a second liquid level transmitter measurement value; s3, if the judgment result is no, starting and stopping control over the drainage pump is carried out according to the first liquid level transmitter measurement value and the second liquid level transmitter measurement value; if the judgment result is yes, the water level switching value of the float switch is obtained, and the water level switching value of the float switch and the measured value of the first liquid level transmitter or the water level switching value of the float switch and the measured value of the second liquid level transmitter are selected to conduct start-stop control over the drainage pump. Through the float switch and the two liquid level transmitters, two-out-of-three participates in starting and stopping control of the drainage pump, and the problems that existing top cover water level monitoring is low in reliability and accuracy are solved.

1. Name of the product in this design: Submersible pump (Self-developed multi-stage submersible pump No. 263). 2. Purpose of this design: This design is used for conveying liquids. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 2 3D diagram 1. 5. Design 2 is designated as the basic design. 6. Other components that need to be explained: Component 1 of Design 1 is the main body of the submersible pump, and Component 2 of Design 1 is the float switch.

The invention relates to the technical field of float switches, in particular to a liquid level float switch and a submersible pump. The liquid level adjusting mechanism is in sliding connection with the frame body component, a first positioning structure is arranged between the frame body component and the liquid level adjusting mechanism, and the first positioning structure is used for limiting the liquid level adjusting mechanism at a certain height; the connecting rod mechanism comprises a guide part and a driving part which are connected with each other; the first switch is matched with the driving part; the floating ball is located below the liquid level adjusting mechanism, and the floating ball is movably connected with the guide part; the lower stroke limiting piece is arranged on the guide part and located below the floating ball; wherein a mechanical triggering mechanism is arranged between the floating ball and the liquid level adjusting mechanism, and when the liquid level rises, the floating ball and the guide part are locked; and when the liquid level drops, the floating ball slides downwards, the floating ball is separated from the mechanical triggering mechanism, and the floating ball and the guide part are unlocked.

The utility model provides an air conditioner indoor unit, which is provided with a float switch, and comprises a coaming surrounding the air conditioner indoor unit, the coaming is provided with an access hole, and the access hole is arranged opposite to the float switch; the coaming further comprises a maintenance plate which detachably covers the maintenance opening. Under the condition that the overhauling plate is separated from the surrounding plate, the floater switch is maintained through the overhauling opening, the arrangement position of the overhauling opening is opposite to the floater switch, the overhauling opening is covered with the overhauling plate, when the floater switch needs to be maintained, the overhauling plate is disassembled, and a maintainer can observe the floater switch through the overhauling opening, so that the maintenance efficiency is improved. And the float switch is disassembled and maintained through the access hole, and the air conditioner indoor unit does not need to be disassembled, so that the maintenance difficulty is reduced, and the maintenance time is shortened.

The invention provides a water quality sampling device, and relates to the technical field of water quality sampling. The water quality sampling device comprises a sampling barrel, a telescopic frame, a piston, an elastic rope and a traction rope, the sampling barrel is provided with a limiting disc, a central barrel and a water inlet; the limiting disc is located at the top of the sampling barrel and provided with a limiting hole and a first elastic hole, the center barrel is located at the central axis of the sampling barrel and provided with a clamping groove, and the water inlet is located at the bottom of the sampling barrel; the telescopic frame comprises an annular disc, a limiting column, a supporting plate, a connecting column and a clamping piece. The sampling barrel is sleeved with the annular disc, a second elastic hole is formed in the annular disc, the two ends of the limiting column are connected with the annular disc and the supporting plate respectively and matched with the limiting hole, the two ends of the connecting column are connected with the supporting plate and the piston respectively and located on the inner side of the sampling barrel, and the clamping piece is connected with the supporting plate. The water quality sampling device solves the technical problems that according to an existing water quality sampling device, the sampling depth is inconvenient to adjust, and a rope telescopic device in a floating ball switch is prone to damage.

The invention provides a karst bank slope rock mass corrosion simulation experiment device and method in a water pumping and storage engineering environment, and relates to geotechnical engineering.The karst bank slope rock mass corrosion simulation experiment device comprises a reaction box, a rock mass corrosion simulation experiment device and a rock mass corrosion simulation experiment device, the corrosion liquid circulating box is connected with the bottom of the reaction box through a backflow pipeline; the corrosion liquid pumping and storing adjusting system and the corrosion liquid circulating box are connected with the reaction box, the floating ball switch is arranged in the reaction box and connected with the suction pump, the floating ball switch controls the suction pump to be started and stopped according to the height of the water level in the reaction box, the second adjusting valve, the second flow meter and the control valve are arranged on the backflow pipeline, and the PLC controls the suction pump and the control valve to work; a temperature control system; a pressure control system; and the pH automatic control system is used for controlling the peristaltic pump to work according to the pH value in the corrosion liquid circulating box. The device has the beneficial effects that the actual engineering environment is accurately simulated, and the rock mass corrosion characteristics under the coupling action of multiple factors such as complex water level fluctuation and water pressure change in the water pumping and storage engineering are researched.

The utility model relates to the technical field of liquid level switches, in particular to a liquid level switch with high accuracy. The liquid level switch with high accuracy rate provided by the utility model solves the technical problem that a floating ball type liquid level switch in the prior art is easy to operate mistakenly. A liquid level switch with high accuracy comprises a support, the support is provided with a switch body, the support is horizontally arranged, the support is further provided with at least three float switches, the at least three float switches are evenly distributed on the periphery of the support, and the switch body is triggered by the float switches; the at least three float switches are arranged and are connected in series, and the switch main body can be triggered only after all the float switches are triggered, so that when the liquid level is in an inclined state or in a non-static state, even if part of the float switches are triggered, the switch main body cannot be triggered; therefore, the switch main body is not easy to operate mistakenly.

The present disclosure provides a float switch capable of ensuring the safety of a person even when the float switch is used for water taken in by the person.SOLUTION: A float switch of the present disclosure is a float switch that houses a sensor and an electric wire inside a case from an opening of the case, includes a float that moves up and down along the case, and is formed by filling the inside of the case with a filler, wherein the filler includes a first filler that holds the sensor and the electric wire, and a second filler that is filled in the opening of the case and is different from the first filler.SELECTED DRAWING: Figure 5

This invention discloses an elevator car drainage device and method. A water trough is provided in the floor of the elevator car, and a water collection device connected to the trough is located at the bottom of the elevator car. A drain outlet and a switch bracket for draining water from the water collection device are provided in the elevator shaft pit. The elevator car automatically drains water when it reaches the bottom floor. This invention has a simple structure and low cost. The car floor is designed with a certain slope to effectively and automatically collect water from the car floor. The design of the float switch, switch bracket, switch valve, and switch linkage enables rapid, intelligent, and automatic drainage without hindering elevator operation, eliminating the need for additional waterproofing measures for the elevator and surrounding equipment.

The invention provides a water level monitoring device and a photovoltaic tracking support flood self-protection system and method.The water level monitoring device is connected with a preset control box of a photovoltaic tracking support and comprises a float switch and a data processing module, a float of the float switch is arranged on the photovoltaic tracking support, and the data processing module is electrically connected with the float switch; when the floater ascends to a preset height, the inductive switch of the floater switch is triggered to be closed, and the data processing module sends a signal to the control box; when the floater descends to be smaller than the preset height, the inductive switch is triggered to be switched off, and the data processing module does not send signals; the data processing module sends a signal to the control box to control the operation mode of the photovoltaic tracking support to be switched from the sun tracking mode to the flood protection mode. The water level of a photovoltaic power station project site is monitored by means of the float switch, the photovoltaic power station flood self-protection system is convenient to arrange and high in safety, the monitoring result is stable and reliable, and cost reduction and efficiency improvement of enterprises are facilitated.

This invention provides a control method, control device, and air conditioner for air conditioning. A float switch is provided within a gas-liquid separator. The control method includes: acquiring the magnetic field strength of the float switch within the gas-liquid separator; determining that the magnetic field strength meets a first preset condition, then controlling and adjusting the refrigerant flow rate entering the gas-liquid separator according to the range of the magnetic field strength, and acquiring the flow pattern of the refrigerant flowing out of the gas-liquid separator; and controlling and adjusting the operating state of the compressor according to the refrigerant flow pattern meeting a second preset condition. This invention provides a control method, control device, and air conditioner for air conditioning to overcome the deficiencies in the prior art, achieving the following technical effects: avoiding the risk of liquid refrigerant flowing into the compressor due to excessively high liquid refrigerant levels, further reducing or even avoiding the occurrence of liquid slugging in the compressor, and achieving precise and targeted adjustment.

The utility model relates to the technical field of floating ball switches for water pumps, in particular to a vertical floating ball switch, which comprises a shell in which a microswitch and a toggle piece are arranged; the floating rod is in sliding connection with the shell, one end of the floating rod is located in the shell, a floating ball is arranged at the other end of the floating rod, and the floating ball can slide up and down along the floating rod; a first magnetic piece is arranged on the shifting piece, a magnetic assembly is arranged at the end, located on the shell, of the floating rod, and the first magnetic piece drives the shifting piece to push a button of the microswitch under the action of the magnetic assembly.

The application provides a helicopter emergency floating system, which comprises an emergency floating switch board 10, a floating control box 20, a gas cylinder system 30, an electromechanical management computer 40, a speed / height detector 50, a main total distance rod float inflation switch 60, a secondary total distance rod float inflation switch 70 and a water immersion sensor 80, wherein the emergency floating switch board 10, the main total distance rod float inflation switch 60 and the secondary total distance rod float inflation switch 70 are connected with the floating control box 20; the floating control box 20 is connected with the gas cylinder system 30, the electromechanical management computer 40, the speed / height detector 50 and the water immersion sensor 80 respectively; the electromechanical management computer 40 is connected with an emergency lifesaving positioning system 401, a key position self-destruction system 402, a rotor brake system 403, an engine 404, a weapon control board 405 and an engine fire extinguishing system 406 respectively; and the weapon control board 405 is connected with a weapon hanging rack 4051 and an inert explosive system 4052.

This solution discloses a basement waterproofing method. A control module controls a motor to pull metal cables, driving the rise and fall of a flexible waterproof fabric layer. The flexible waterproof fabric is compressed and sealed by a compression structure within the columns that secure the fabric. Metal crossbars are evenly spaced across the flexible waterproof fabric, and the crossbars are limited by the openings in the columns. The control module collects signals from float switches within the columns to control the rise and fall of the motor. This solution, based on the rise and fall of the flexible waterproof fabric, achieves garage waterproofing by compressing the flexible waterproof fabric within the columns on both sides. Furthermore, the float switches within the columns, in conjunction with control by the main control module, automatically raise the waterproof fabric in the event of excessive water accumulation.

The invention belongs to the technical field of switches, and particularly relates to a flange type float switch. Comprising a flange upper cover and a flange lower cover, the flange upper cover is connected with the flange lower cover, the flange lower cover is provided with a shell and a shell connecting end, the side wall of the shell is oppositely provided with a liquid outlet and a liquid inlet, the flange upper cover is provided with a signal line leading-out port, the middle position of the flange upper cover is provided with a cavity, and a switch module is installed in the cavity. The switch module and the magnetic steel rod are induced through magnetic steel, and the magnetic steel rod is connected with the floating ball. The device has the beneficial effects that a swing type floating ball mechanism and a flange type dismounting and mounting structure are arranged according to the actual situation of an engineering site; through a simple switch module structure, a reliable floating ball swinging and switch module movement mode is provided.

This invention relates to the field of fluid transport control technology and discloses a water pump anti-siphon device. The device includes an inverted U-shaped main pipeline, with a through-wall pump installed at the input end of the pipeline. A multi-functional valve is installed on the pipeline, including a vacuum tank. The vacuum tank's bottom sealing flange is fixedly installed on the top of the inverted U-shaped main pipeline, and a main cavity is provided inside the vacuum tank. This anti-siphon device eliminates the need for a high-power motor and large-size impeller for the through-wall pump under low head and high flow conditions, reducing equipment procurement and operating costs. It employs an oil-lubricated rotary vane vacuum pump to create a vacuum, and automatically detects the liquid level and controls the vacuum pump's start and stop using a level sensor and float switch. This allows the medium to smoothly pass over the highest point of the inverted U-shaped pipeline, thus enabling a small-power pump to meet start-up and normal operation requirements, avoiding energy waste and equipment redundancy caused by using a large motor for a small load.

1. Name of the product in this design: Float Switch (HB18). 2. Purpose of this design: To be installed in a water tank to control the water level. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention provides an air conditioner indoor unit which is provided with a float switch, the air conditioner indoor unit comprises a surrounding plate, the surrounding plate surrounds the air conditioner indoor unit, the surrounding plate is provided with an access hole, and the access hole and the float switch are oppositely arranged; the coaming further comprises a maintenance plate which detachably covers the maintenance opening. Under the condition that the overhauling plate is separated from the surrounding plate, the floater switch is maintained through the overhauling opening, the arrangement position of the overhauling opening is opposite to the floater switch, the overhauling opening is covered with the overhauling plate, when the floater switch needs to be maintained, the overhauling plate is disassembled, and a maintainer can observe the floater switch through the overhauling opening, so that the maintenance efficiency is improved. And the float switch is disassembled and maintained through the access hole, and the air conditioner indoor unit does not need to be disassembled, so that the maintenance difficulty is reduced, and the maintenance time is shortened.

The disclosure herein discloses a sump pump system for illuminating a sump pump well. The sump pump system comprises a sump pump switch assembly having a float housing, a first float switch and second float switch, and an illumination circuit. The illumination circuit is encased in a waterproof body and includes a first illumination sub-circuit and second illumination sub-circuit. The first illumination sub-circuit includes a first light emitting diode configured to illuminate a wall of the sump pump well in response to the first float switch being closed. The second illumination sub-circuit includes a second light emitting diode configured to illuminate the wall of the sump pump well in response to the second float switch being closed.

The utility model relates to the technical field of faucets, in particular to a faucet with a suspended switch, which is characterized in that a water passing piece is mounted on a water control main body by utilizing a plurality of water passing piece fixing screws, and a water inlet of the water passing piece is sleeved on a water outlet nozzle of the water control main body; the outer protective sleeve is installed on the top, and the water passing piece is arranged in the outer protective sleeve. A water outlet nozzle rotating fixing piece is mounted at the top end of the water passing piece, and a rotating water outlet nozzle is mounted at the top end of the water outlet nozzle rotating fixing piece; the surrounding closed switch is arranged outside the outer protective sleeve in a sleeving mode, and the integrally-formed connecting end of an inner ring of the surrounding closed switch is connected with the valve rod end of the water control body through a fixing screw. The multi-angle rotary water outlet device can realize multi-angle rotary water outlet, and is provided with a suspension type surrounding closed switch, so that the overall shape is more attractive.

Disclosed in the present application are a floating safety control method and apparatus, and a device, a medium and an aerial work platform. The floating safety control method comprises: acquiring a first tilt angle, wherein the first tilt angle is a tilt angle of a vehicle frame when a vehicle has not fallen into a pit; acquiring a second tilt angle, wherein the second tilt angle is a tilt angle of the vehicle frame after the vehicle falls into the pit; acquiring a first change angle, wherein the first change angle is the difference between the first tilt angle and the second tilt angle; and on the basis of the first change angle, executing a floating action or executing a safety control action, wherein the floating action is used for controlling, after the vehicle falls into the pit, a single-side floating oil cylinder corresponding to a triggered corresponding single-side floating switch to act, and the safety control action is used for restricting the floating oil cylinder from acting. By means of the present application, safety control for the action of a floating oil cylinder by an aerial work platform can be realized, thereby facilitating the safe work and stable operation of the aerial work platform.

An apparatus configured to dispense a cleaner composition includes an apparatus outlet in fluid communication with an exterior of the apparatus, a dispenser device configured to be operated to selectively dispense an amount of the cleaning composition through the apparatus outlet, and a controller configured to operate the dispenser device to cause the amount of the cleaning composition to be dispensed through the apparatus outlet without manual intervention. The apparatus is configured to be electrically connected with a float switch concurrently with dispensing the cleaning composition, and the apparatus is configured to cause at least a portion of an air conditioning system to shut down in response to receiving a signal generated by the float switch.

The invention relates to the technical field of camera cleaning, in particular to a marine CCTV system cleaning device. According to the technical scheme, the device comprises a fixing support, a first round block and a second round block, a containing groove is formed in the upper surface of the fixing support, a junction box is installed on one side of the fixing support, a water tank is placed in the containing groove, a third through hole is formed in the upper surface of the water tank, and a water groove is formed in the bottom end of the inner wall of the third through hole; a water pump is installed at the bottom end of the inner wall of the water tank, a floating ball switch device is placed in the water tank, a tank cover is installed on the upper surface of the water tank, a third pipeline is installed at the top end of the water pump, a second pipeline is detachably installed at the top end of the third pipeline, a first pipeline is installed at the top end of the second pipeline, and a spray head is installed on one side of the first pipeline. According to the marine camera cleaning device, the effects that the marine camera does not need to be cleaned manually, the marine camera can be washed according to needs, time and labor are saved, and the working efficiency is improved are achieved.