30results about How to "Quick switch control" patented technology

The invention discloses a pump circulation anti-blocking type device for efficiently pressing and filtering basic magnesium carbonate. A first branch of an inlet pipe is connected with an outlet pipe through a three-way rotary plug and a centrifugal pump, and a second branch of the inlet pipe is connected with the outlet pipe through another centrifugal pump and another three-way rotary plug. By means of the same motor, the two centrifugal pumps are in transmission through a belt. The two three-way rotary plugs are both provided with gears which drive a valve element to rotate, the gears of the two three-way rotary plugs are meshed, one of the gears is driven by a driving gear, and the two three-way rotary plugs can be rotationally switched and vertically communicated through a middle connecting pipe. The inlet pipe is connected to a basic magnesium carbonate buffering tank of an inverted-cone-shaped bottom structure through a valve. An outer circulation anti-blocking loop is arranged between the middle of the buffering tank and the cone bottom. The outlet pipe is connected with a pressing and filtering machine. According to the pump circulation anti-blocking type device, by means of the reasonable and simple pipeline design and the two three-way rotary plugs, convenient and fast series and parallel connection switch is achieved, and pressing and filtering work efficiency is improved. Compared with a conventional series and parallel connection switch device, the pump circulation anti-blocking type device has the advantages of being simple in structure, easy to operate and not prone to making mistakes. The outer circulation anti-blocking loop can effectively prevent blocking and facilitate conveying in materials.

The invention discloses a household lamp intelligent switch-on and switch-off device and method based on the internet of things. The device comprises an on-off state detecting device, an on-off control device, and a data processing terminal connected with the on-off control device. A controlled household lamp is a lamp controlled by a mechanical switch. The on-off control device comprises a main controller and an electric driving mechanism for driving the mechanical switch to act. The electric driving mechanism is controlled by the main controller and comprises a driving motor and a motor driving circuit. The on-off state detecting device is connected with the main controller. The switch-on and switch-off method includes the steps that firstly, the data processing terminal sends an on-off control instruction; secondly, the on-off control instruction is received and on-off control is conducted, wherein the main controller controls the controlled household lamp to be switched on or off. The device and method are reasonable in design, easy and convenient to use and operate, and good in use effect, the household lamp on-off control process can be easily, conveniently and rapidly completed, and the structure and a connection circuit of the mechanical switch of the controlled household lamp do not need to be adjusted.

The invention belongs to the technical field of air compressors. The invention discloses a four-piston air compressor, which comprises a casing and four pistons. The inside of the casing is provided with four independent control chambers and four air chambers. The four pistons are located in four control chambers respectively. Between the control chamber and the four air chambers, the isolation of the control chamber and the air chamber is realized, and the P port and T port on the housing are alternately connected with the four control chambers, and the air in the corresponding air chambers is sequentially compressed and output acting. The air compressor of the present invention can realize continuous and uninterrupted compression and output of compressed air under the drive of hydraulic pressure, reduce the pressure and flow pulsation of the output gas of the entire air compressor, and improve the stability of compressed gas output.

The invention provides a power regulating circuit of a resistance heating plate and a cooking appliance, wherein the power regulating circuit of a resistance heating plate includes: a power supply module; a resistance heating plate module including at least one resistance heating plate and an auxiliary resistor The resistance heating plate module is connected to the power supply module; the power drive module is connected to the resistance heating plate module, and the power drive module is used to control whether the resistance heating plate module is heated; the sampling module is connected to the power supply module to sample The module is used to sample the power supply signal of the power supply module; the microprocessor is connected to the power drive module and the sampling module, and the microprocessor controls the working state of the power drive module according to the power supply signal to adjust the power and auxiliary power of the resistive hot plate module in real time Load power of the resistive hot plate. Through the technical solution of the invention, the effect of the microprocessor controlling the power drive module according to the output signal of the sampling module is realized, and the power range of the resistance heating plate module is increased.

The present invention provides a power regulating circuit of a resistance heating plate and a cooking utensil, wherein, the power regulating circuit of a resistance heating plate includes: a power supply module; a resistance heating plate module includes at least one resistance heating plate, the The resistive thermal disc module is connected to the power module; the power drive module is connected to the resistive thermal disc module, and the power drive module is used to control whether the resistive thermal disc module is heated; the sampling module is connected to the The power supply module is used to sample the power supply signal of the power supply module; the microprocessor is connected to the power drive module and the sampling module, and the microprocessor controls the power drive according to the power supply signal The working state of the module is used to adjust the power of the resistance heating plate module in real time. Through the technical solution of the invention, the real-time and accurate adjustment of the power of the resistance heating plate is realized, and the use experience of the user is improved.

The invention discloses an intelligent toilet and a switching control method of the intelligent toilet. The switching control method detects the sitting state of the user; in the state of leaving the seat, if it is detected that the user's pressing operation time for the control switch is N1, then execute Toilet flushing function; if it is detected that the user presses the control switch for N2, the shutdown function will be executed; in the seated state, if it is detected that the user’s press operation time for the control switch is N3, the human body automatic flushing function will be executed; if It is detected that the user's pressing operation time of the control switch is N4, and the toilet flushing function is executed; thus, the combination of seat sensing and long-short press operation is used to realize the rapid switching control of the human body automatic flushing function and the toilet flushing function, without additional toilet flushing The control switch not only has a simpler hardware structure, but also is more convenient to operate and use, and the user experience is better.

The invention discloses a device for compounding and high-efficiency pressure filtration in the electrolytic manganese process. One branch of the inlet pipe is connected to the outlet pipe through a three-way cock and a centrifugal pump, and the second branch is connected through another centrifugal pump and another three-way cock. There is a driving gear between the gears of the two three-way cocks, which simultaneously drives the two three-way cocks to rotate and switch, and is connected up and down through the middle joint pipe; the inlet pipe is connected to the manganese solution flow tank, and the flow tank has an inverted tapered bottom structure ; After the two filter presses are connected in parallel, the outlet pipe is connected through a three-way cock; The invention cleverly uses two three-way cocks to realize the convenient switching operation of the centrifugal pump in series and in parallel, improves the filter press efficiency, has the characteristics of simple structure and easy operation error; Output: The air-blast compounding barrel cleverly utilizes the gas ring formed by the cone surface ring and the sieve hole cylindrical surface ring, which greatly improves the oxygen dissolving capacity of the compounding barrel, which is beneficial to the oxidation reaction and the subsequent electrolysis operation.

The invention discloses a high-efficiency filter-press device of squeezed sugarcane juice. Two centrifugal pumps are driven by one motor; an inlet pipe branch 1 is connected with an outlet pipe by one three-way cock and one centrifugal pump; a branch 2 is connected with the outlet pipe by the other centrifugal pump and the other three-way cock; the two three-way cocks are both provided with gears for driving a valve core to rotate; a driving gear is merged to drive one of the two three-way cocks to realize rotary switchover; the two three-way cocks are vertically communicated by a middle connecting pipe; the inlet pipe is connected with a sugarcane juice buffer tank having an inverted conical bottom structure; an ultrasonic vibrator is arranged on the inclined surface of the bottom; the outlet pipe is connected with a sugarcane juice filter press; and the sugarcane juice buffer tank is connected with a three-grade juice squeezing and backflow spraying device. The device skillfully realizes convenient switching operation of serial and parallel connections of the two centrifugal pumps through the three-way cocks, improves the filter-press working efficiency, and has the characteristics of simple structure, easy operation and difficult error generation; the conical bottom and the ultrasonic vibrator thereof can effectively prevent the blockage; and the three-grade juice squeezing and backflow spraying device improves the sugarcane squeezing sugar yield.

The invention relates to a dual-component control valve, in particular to a dual-component variable flow electromagnetic pilot pneumatic control valve, which solves the problem that the existing control valve used for a dual-component variable thrust engine occupies a large space and has a high structural weight. It is conducive to structural optimization and small and lightweight design, and leads to the insufficiency of space layout and increased difficulty in assembly when multiple two-component variable thrust engines are assembled. The dual-component variable flow electromagnetic pilot pneumatic control valve includes a first auxiliary valve, a second auxiliary valve, a first main valve and a second main valve. The invention integrates two-way dual-component medium channels and two-way control gas channels, realizes the synchronous variable flow control of the dual-component medium, and carries out integrated optimization in the structure space, and realizes the synchronous variable flow and fast switch control. At the same time, the design of small structure and weight reduction of the control valve is completed.

The invention discloses a device for conducting combination and efficient filter pressing in a zinc electrolysis process. The device comprises an inlet pipe, an outlet pipe, two centrifugal pumps and two pressure filters. A first inlet pipe branch is connected with the outlet pipe through a three-way cock and one centrifugal pump. A second inlet pipe branch is connected with the outlet pipe through the other centrifugal pump and the other three-way cock. A driving gear is arranged between gears of the two three-way cocks and drives the two three-way cocks to rotate and switch simultaneously, and the two three-way cocks are communicated with each other up and down through a middle connecting pipe. The inlet pipe is connected with a zinc solution flow trough of an inverted-cone-shaped bottom structure. The two pressure filters are connected in parallel and then connected with the outlet pipe. The flow trough is connected with a steam heating combination barrel. According to the device, the two three-way cocks are used skillfully, so that the convenient and fast switching operation between the series connection and parallel connection of the centrifugal pumps is achieved, and the filter pressing efficiency is improved. The device has the characteristics that the structure is simple, and the operation is not liable to errors. The inverted-cone-shaped bottom of the flow trough benefits the output of a zinc solution and mineral slag. The steam heating combination barrel skillfully uses a steam dissolution ring formed by a taper face ring and a screen aperture cylinder face ring, so that the dissolution warming effect is improved, and noise disturbance does not exist completely.

The invention discloses a high-efficiency filter-press device of squeezed sugarcane juice. An inlet pipe branch 1 is connected with an outlet pipe by a three-way cock and a centrifugal pump; a branch 2 is connected with the outlet pipe by another centrifugal pump and another three-way cock; a driving gear is arranged between gears of the two three-way cocks, and synchronously drives the two three-way cocks to rotate and switch; the two three-way cocks are vertically communicated by a middle connecting pipe; the outlet pipe is connected with a sugarcane juice buffer tank having an inverted conical bottom structure; an ultrasonic vibrator is arranged on the inclined surface of the bottom; the outlet pipe is connected with a sugarcane juice filter press; and the sugarcane juice buffer tank is connected with a three-stage juicing and backflow jetter assembly. The device skillfully realizes convenient switching operation of series and parallel connections of two centrifugal pumps through the three-way cocks, improves the sugarcane juice filter-press working efficiency, and has the characteristics of simple structure, simple operation, difficult error generation and low cost; the conical bottom and the ultrasonic vibrator can effectively prevent the blockage to facilitate to input sugarcane juice; and the three-stage juicing and backflow jetter assembly improves the sugarcane squeezing sugar yield.