32results about How to "Control run time" patented technology

A simulation device of alimentary canal consists of simulated oral cavity, simulated oesophagus, simulated stomach, simulated small intestine, simulated big intestine, simulated anus and its switch, motor actuators set separately in said simulated organs, acid liquor storage chamber, buffer liquor storage chamber, digestive enzyme storage chamber, alkali liquor storage chamber, flow rate controllers set separately in said chambers, transducers of pH value and pressure as well as enzyme. It is featured as using central control unit to control said actuators and to set various parameters of complete alimentary canal.

The invention discloses an integrated intelligent irrigation system based on a cloud platform. The system comprises a drop irrigation unit, a control part, a gateway and a remote monitoring platform. A soil moisture sensor and an infrared thermal imaging device are connected with a wireless communication device through a wireless network, the wireless communication device transmits photos photographed based on soil moisture and growth conditions to partition controllers through the wireless network, the partition controllers are used in cooperation with the soil moisture sensor and infrared images to calculate crop moisture crop water deficit indexes, the water deficit index information is connected with a master controller through the wireless network, multiple sets of preset values of water demand in the growth stage of crops are stored in the master controller, and the remote monitoring platform controls a water pump according to microprocessor data to work when the current water deficit indexes are smaller than the corresponding current soil humidity value in the preset values.

The invention discloses an intelligent quick-freezing control method of a refrigerator. When a large amount of fresh food is placed into a freezing chamber of the refrigerator and needs to be frozen in a short period of time, the rotation speed or the operation time of an inverter compressor is controlled, and the operation time of a fixed-frequency compressor is controlled. When the temperature of a sensor is higher than a set upper limit value at which a quick-freezing function can be automatically achieved, it is judged automatically that the refrigerator should enter a quick-freezing state; a target value at which the quick-freezing function is automatically stopped is set for the temperature sensor, when the refrigerator enters the quick-freezing state and runs at the target value for a period of time, the quick-freezing state is automatically switched and the compressor begins to operate normally. The intelligent quick-freezing control method of the refrigerator has the advantages that the refrigerator can be controlled to enter the quick-freezing state, the work state of the refrigerator can be adjusted according to the temperature in the refrigerator and the quick-freezing duration, and the aims of achieving the quick-freezing function and conserving energy are achieved; the method is suitable for being used for the refrigerator, an ice tank and other refrigerating equipment.

The invention provides an automatic paraffin removing device for an oil well. The automatic paraffin removing device comprises an oil pipe, wherein three paraffin removing units are arranged on the oil pipe at equal distances, positioned in a casing pipe, and connected with a power distribution cabinet arranged outside the casing pipe through an armour cable; each paraffin removing unit comprises a paraffin removing unit body, a through hole is formed in the center of the corresponding paraffin removing unit body, a plurality of inner magnetrons are radially arranged on the corresponding paraffin removing unit body along the through hole, and three outside magnetrons and the armour cable are evenly distributed on the edge of the corresponding paraffin removing unit body; a temperature control device is arranged beside the armour cable and electrically connected with the paraffin removing units. According to the automatic paraffin removing device disclosed by the invention, paraffin can be automatically removed without stopping the production, while in use, when the operational temperature of the paraffin removing units is 30 DEG C higher than a set paraffin removing temperature, a power source is cut off by the temperature control device to stop heating and protect equipment safety, and after the operational temperature of the paraffin removing units is lowered to the set paraffin removing temperature, the temperature control device can be automatically connected with the power source so as to perform heating and paraffin removal.

The invention discloses a method and a circuit for treating an echo signal of a low-power ultrasonic flowmeter. The circuit comprises a variable gain amplifying unit, a peak detection unit, a head wave detection unit and a single chip unit. The method for treating the echo signal of the low-power ultrasonic flowmeter, disclosed by the invention, comprises the following steps: utilizing head wave detection to accurately judge if receiving an echo; controlling the peak detection unit to enable and perform echo peak value measurement; comparing an AD value acquired through the peak value detection with a preset voltage value scope; adjusting an amplification factor to guarantee the consistency of the measured echo signal, thereby reducing the influence of different amplification factors on the waveform and reducing the power consumption of the circuit.

A control method for a tempering process of glass plates includes the steps of: 1) after a glass plate is delivered into a heating furnace, monitoring an operation parameter of a heating component by a monitoring unit in real time; 2) performing wave filter treatment to the operation parameter of the heating component; 3) after the wave filter treatment, sending the operation parameter of the heating component to a control unit, which then compares the received operation parameter with a preset threshold value; 4) when the operation parameter passes through an extreme value and then reaches the preset threshold value when changing again, sending a command by the control unit to control a cooling fan to start or switch the cooling fan from idle status into work status. In the method, the operation parameter of the heating component is subjected to real time monitoring after the glass is delivered into the furnace, thereby deciding the starting time of the cooling fan instead of estimating the starting time of the cooling fan by means of time as evidence in conventional methods.

The invention relates to the technical field of marine equipment, in particular to a marine controllable open-type aquaculture water tank circulating water system device. The device comprises an aquaculture tank and a seawater tank, wherein the aquaculture tank is divided into four aquaculture areas which can communicate with one another, a water outlet leading to seawater outside a ship is formed in the bottom of each aquaculture area, the seawater tank is installed on the side of an aquaculture work ship, and communicates with each aquaculture area, seawater in the seawater tank is pressurized and conveyed into each aquaculture area through a seawater pump, annular water flow from top to bottom is formed in each aquaculture area, and the annular water flow tends to flow to the water outlets. The device is simple in principle, can be suitable for aquaculture water tanks of various sizes, can form a stable flow field in the tanks, is good in energy-saving effect, and well provides the most suitable aquaculture environment for live fishes.

The invention discloses high-efficiency energy-saving and environment-friendly electromechanical integrated special control equipment, which comprises a control cabinet body, a PLC intelligent controller, a PID intelligent temperature and humidity controller and a temperature sensor, wherein a supporting base is arranged under the control cabinet body, and adjustable supporting legs are arranged at four corners under the supporting base. The high-efficiency energy-saving and environment-friendly electromechanical integrated special control equipment has the beneficial effects that: through setting the PID intelligent temperature and humidity controller, temperature and humidity control can be performed on the interior of the control cabinet body intelligently, an excellent working environment is provided for the operation of the control equipment, and the energy is saved; through setting the PLC intelligent controller, a frequency converter can be controlled to control operation of a motor in electromechanical integrated equipment automatically according to preset operating time, operating frequency and direction, the efficiency is high and the energy is saved; and by setting a current display screen, a voltage display screen and a power display screen which are independent, the current, voltage and power values during the operation of the electromechanical equipment can be displayed directly, thereby facilitating viewing and control.

The invention discloses an intelligent terminal acquisition system for a wireless private network, wherein the system relates to the technical field of an intelligent transformer station. The system comprises a data storage module, a data uploading module and an intermittent acquisition device. The intermittent acquisition device comprises a housing, a telescopic assembly arranged in the housing,and an acquisition assembly connected with the telescopic assembly. One side of the housing is provided with an opening for passing of the acquisition assembly. The data storage module and the data uploading module are detachably arranged in the housing. The acquisition assembly is electrically connected with the data storage module through a connecting line. The acquisition assembly is in a dormancy state when in the housing. Operation head is basically prevented, thereby ensuring normal operation of the acquisition assembly when information acquisition is required. Furthermore the acquisition assembly is in the housing when not operate. Interference to the acquisition assembly by heat radiated in operation of electrical equipment can be prevented.

The present invention relates to an intelligent wireless charging mouse, which includes a casing, a photosensitive module, the photosensitive module is used to sense the position movement of the mouse, and a timer, a controller, and a sliding closing part, and the sliding closing part is provided with a casing The bottom surface, and the wireless induction coil is arranged inside the sliding closing part, which can slide along the bottom surface of the housing to close or open the photosensitive module. When the sliding closing part closes the photosensitive module, the light is blocked. The contact path between the sensor module and the contact object of the light sensor module, the wireless induction coil starts the wireless charging program; the timer is used to detect the use time of the mouse, and when the use time exceeds the time threshold, a pulse wave is sent to the controller , when the controller receives the pulse wave, it controls the sliding closing part to close the photosensitive module. The mouse of the present invention can monitor and control the use time of the computer by monitoring the use time of the mouse, and can effectively prevent children from using the computer for too long. The application can carry out wireless charging, and wireless charging can be carried out when children do not use the mouse, so as to reduce the influence of wireless electromagnetic waves on children.

The invention discloses a household kitchen and bath disinfection device and a control method thereof. The household kitchen and bath disinfection device comprises a peristaltic air pump, a low-temperature plasma ozone generator, a valve assembly, a Venturi tube, an integrated circuit control board, a turbine flowmeter, a low-resistance-loss water inlet and outlet system, an exhaust valve and a water tank. The peristaltic air pump is connected with an air inlet pipe of the low-temperature plasma ozone generator. A water inlet and a gas inlet of the Venturi tube are respectively connected with a water inlet pipe and a gas outlet pipe of the low-temperature plasma ozone generator, and the exhaust valve is arranged at an outlet of the Venturi tube. The low-resistance-loss water inlet and outlet system is characterized in that a low-resistance water inlet valve is mounted at a water inlet, a valve is not mounted at a water outlet, and water flow is controlled through the low-resistance water inlet valve during operation. The low-temperature plasma ozone generator receives signals of the turbine flowmeter through the integrated circuit control board. The device is scientific and reasonable in structure, safe and convenient to use and capable of effectively killing various bacteria.

The invention discloses an electric control diesel engine starter overheating protection control method. The electric control diesel engine starter overheating protection control method comprises the following steps of working condition identification, specifically, identifying an environment working condition through MAP; and MAP output, specifically, performing interpolation calculation according to the engine coolant temperature and the ambient atmospheric pressure to obtain the drag-and-turn limit time and the interval limit time; wherein a starter is used for monitoring and recording the drag-and-turn time of the previous starting between two adjacent starting, setting the starting interval time according to the drag-and-turn time, and when the drag-and-turn time of the starter is greater than the drag-and-turn limiting time of the current environment working condition, starting interval time protection is activated. Therefore, according to the electric control diesel engine starter overheating protection control method, control over the running time of the starter under different working conditions can be achieved, the phenomenon of heating or tooth breaking caused by long-time rotation of the starter is avoided, and therefore the starter is protected.

The invention discloses an environmental protection monitoring system. The environmental protection monitoring system comprises a housing part, a box part, and an electric part; the box part is arranged in the housing part; the top of the housing part is provided with a heat radiation layer; two side rails are arranged at the bottom of the internal part of the housing part; the two sides of the bottom of the housing part are provided with slide wheels; the front part of the box part is provided with a connecting transverse plate; the connecting transverse plate and the box part are provided with a lock; the electric part is provided with an external power supply, a breaker, a transformer, a first time relay, a first alternating current contactor, a second time alternating current contactor, a second time relay, an instrument contact, a third alternating current contactor, and a water pump. According to the environmental protection monitoring system, cooperation of the time relays and the alternating current contactors is achieved, so that start and stop of the water pump are controlled, and operation time is controlled; water supply of a sampling system is carried out at preset time, and instrument equipment normal operation is ensured; and in addition, the heat radiation layer and the slide wheels are adopted, so that device convenience is ensured.

The invention discloses pre-oxidation equipment for general-grade pitch-based non-woven felt in the technical field of carbon fiber production equipment.The pre-oxidation equipment for the general-grade pitch-based non-woven felt comprises a pre-oxidation furnace body, an air inlet and an air outlet are formed in the pre-oxidation furnace body, and the pre-oxidation furnace body comprises a furnace body; the air cover is arranged in the furnace body, the distribution plate is arranged at the bottom end of the air cover, the net chain device is arranged in the furnace body, the wire pressing plate is arranged above the net chain device, the air baffle is arranged in the furnace body, the perforated plate is arranged at the air inlet, and the filter plate is arranged at the air outlet. According to the pre-oxidation equipment, the pre-oxidation efficiency of the pre-oxidation equipment is greatly improved, and the phenomena of fusion, hardening and even combustion of pre-oxidized filaments in the carbonization process are avoided.

The present invention relates to a wireless charging mouse, which includes a housing, a photosensitive module, the photosensitive module is used to sense the position movement of the mouse, a timer, a controller, at least one controllable protruding part, and the controllable The protruding part is provided with the bottom surface of the shell, and a wireless charging coil is arranged inside the controllable protruding part, and the wireless charging coil can extend out of the shell along the bottom face of the shell together with the controllable protruding part for wireless charging. Charging, so that the bottom surface of the mouse cannot be closely attached to the contact object on the bottom surface, and the reflection path of the photosensitive module is blocked; the timer is used to detect the usage time of the mouse, and when the usage time exceeds the time threshold, a The pulse wave is sent to the controller, and after receiving the pulse wave, the controller controls the controllable protruding part to protrude toward the bottom surface. The mouse of the present invention can monitor and control the use time of the computer by monitoring the use time of the mouse, and can effectively prevent children from using the computer for too long. The application is capable of wireless charging, and the timing of wireless charging is determined according to the timing of using the mouse, so as to minimize electromagnetic interference to children.

The invention relates to an intelligent mouse, which includes a housing, a photosensitive module, the photosensitive module is used to sense the position movement of the mouse, a timer, a controller, a sliding closing part, and the sliding closing part is provided on the bottom surface of the housing, The photosensitive module can be slid along the bottom surface of the housing to close or open the photosensitive module. When the sliding closure part closes the photosensitive module, the contact path between the photosensitive module and the contact object of the photosensitive module is blocked; The timer is used to detect the use time of the mouse. When the use time exceeds the time threshold, a pulse wave is sent to the controller. When the controller receives the pulse wave, it controls the sliding closing part to close the light sensor. module. The mouse of the present invention can monitor and control the use time of the computer by monitoring the use time of the mouse, and can effectively prevent children from using the computer for too long.

The invention discloses a film developing device, which includes a bracket, a U-shaped support body is fixedly arranged in the lower part of the bracket chamber, and the chain is sleeved in the U-shaped support body; There is a sliding piece that can move vertically, the sliding piece is connected with a screw, the screw is arranged vertically, the screw is connected with a motor, and the sliding piece is connected with a guide rail; the base is provided with An infrared sensor, the infrared sensor is connected with a PLC controller that can receive the output signal of the infrared sensor, the PLC controller is connected with the motor to control the speed and start and stop of the motor, the bracket is provided with A battery, the battery is fixedly connected to the bracket, and both the PLC controller and the motor are electrically connected to the battery. The invention can effectively control the placement time of the light sheet in the developing tank, the fixing tank, the cleaning tank, the drying box and the like.