36results about How to "High temperature regulation accuracy" patented technology

The invention relates to a method and a system for centralized management of an electric saver of a central air-conditioner; a water flow pressure difference sensor between a water supply main pipe and a return water main pipe of a central air-conditioner freezing water system, a flow meter for a two-way freezing water return pipe, a water temperature sensor for a back-way freezing water return pipe of a freezing water pump, the water temperature sensor for a freezing water outlet pipe of an air conditioning mainframe, the water temperature sensor for a cooling water outlet pipe of the air conditioning mainframe and the water temperature sensor for a cooling water inlet main pipe of the air conditioning mainframe respectively collect pressure difference, flow speed and water temperature of the corresponding position; collection values are transferred into a fuzzy controller, the fuzzy controller gains dynamic flow and speed parameters through the control of a fuzzy prediction model and an optimal algorithm model, the dynamic flow and speed parameters are transferred into each electric saver, and the speed and the flow of corresponding fans and water pumps are controlled through the frequency change of the electric saver. The invention has the advantages of the high temperature-adjusting precision, the good dynamic performance, the small mechanical loss, the fully-automatic remote monitoring, the closed-loop control of temperature, the soft starting and stopping of a motor and the optimum system electricity-saving rate.

The invention belongs to the technical field of boiler control and particularly relates to a control system for a water-coal-slurry heat-conducting oil boiler. The control system comprises a PLC (Programmable Logic Controller) with a built-in control procedure; the signal acquisition input end of the PLC is connected with an oil outlet and oil return temperature detection module of heat-conducting oil, a boiler pressure detection device, a boiler liquid level detection device and a coal-water slurry combustion flame detection device; the control output end of the PLC is connected with an induced air regulator for controlling an induced draft fan, an air supply regulator for controlling an air feeder, a circulating oil pump controller, a slurry supply pump variable-frequency controller and an ignition device; and the PLC is also connected with a human-computer interface and an alarm interlock control device. The control system has the benefits that the water-coal-slurry boiler is controlled by the PLC to perform stable heating and accurately adjust the temperature; automatic temperature control and regulation is sensitive, the temperature regulation precision is high, and the heat supply is stable; and the outlet temperature of the heat-conducting oil boiler is controlled to be plus or minus 1 DEG C, so that the requirements of a polyester production enterprise and other enterprises are better satisfied.

The invention discloses a laser receiver system of low yawp and constant temperature. The collimating lens (1), the light filter (2), the angle reflector (3), the photoelectric receiver (5) are set in the cylinder (0) from the right to the left. The CCD (4), the temperature adjustment system (6) and the transmission gear (7) are set on the top of the cylinder; the transmission gear (7) includes the first transmission gear (7A) and the second transmission gear (7B); the light filter (2) is connected to the first transmission gear and the reflector (3) is connected to the second transmission gear (7B); the position of the CCD is correspond to the angle reflector (3). The invention has the function of constant temperature, light filter and light tine adjustment. So it can be used for the lidar, the satellite laser ranging, the spacecraft tracking, the stellar tracking observation and the space fragment dynamic tracking.

The invention relates to a control method for a building supervisor in a central air-conditioning monitoring system, and the control method is designed for solving the technical problem that a control method for a building supervisor in an existing central air-conditioning monitoring system has defects. The key point is that the central air-conditioning monitoring system for the control method is equipped with a navigation chart or an overview chart, and is further equipped with a broadcast group-sending function and a broadcast single-sending function of a fan coiled pipe, wherein the navigation chart or the overview chart is used for displaying fan coiled pipe data of each area of each floor; a temperature controller is connected with the central air-conditioning monitoring system through a 485 communication bus protocol; an operation panel of the temperature controller is set with an on-off control mode, a winter-summer mode, a control mode, an unlocking mode, a broadcasting mode, an on-off effective mode, a winter-summer effective mode as well as a set temperature, a set upper limit temperature, a set lower limit temperature, a high grade, a middle grade, a low grade, a mode, unlocking, temperature and temperature limitation; and all of the equipment is started, the operation panel of the temperature controller is switched to a heating mode to operate in an unlocking state, the mode is automatically controlled, and a room temperature, the upper limit temperature and the lower limit temperature are set.

The invention discloses a water mixing device for floor heating. The water mixing device for floor heating comprises a water mixing valve which comprises a water mixing valve body and an adjustable non-return device, the water mixing valve body is a columnar hollow pipe, and the adjustable non-return device comprises a partition and an adjusting mechanism. The partition is arranged in the water mixing valve body to partition the water mixing valve body into a first cavity and a second cavity, and is provided with a water through hole. The adjusting device is provided with an adjusting valve core, and the adjusting valve core is positioned on one side of the first cavity and matched with the water through hole to adjust volume of water passing through the water through hole. The water mixing valve body is provided with a high-temperature water inlet, a mixed water outlet, a low-temperature water inlet and a low-temperature water return port, the high-temperature water inlet and the mixed water outlet are respectively communicated with the first cavity, and the low-temperature water inlet and the low-temperature water return port are respectively communicated with the second cavity. By the aid of the water mixing device for floor heating, the technical problem of complex structure of water mixing devices for floor heating in the prior art is solved.

The invention relates to an intelligent electricity-saving control method for cooling towers in a central air-conditioner monitoring system. The intelligent electricity-saving control method is designed to solving the technical problem that in existing central air-conditioner monitoring systems, design of intelligent electricity-saving control methods for cooling towers is in lack of convenience. The intelligent electricity-saving control method is mainly characterized in that a temperature sensor on a pipe arranged between a cooling pump and a cooling water inlet valve of a refrigeration main machine is a cooling water returning temperature sensor; the cooling water returning temperature sensor is connected with temperature sensors at three positions, namely the temperature sensor arranged at the cooling water outlet position of water outlet of the refrigeration main machine, the temperature sensor arranged at the position where a cooling temperature difference of water inlet of the refrigeration main machine is generated and the temperature sensor arranged at the position where a cooling temperature difference of water outlet of the cooling pump is generated; two modes, namely the automatic mode and the intelligent modes, are arranged for the cooling water returning temperature sensor, and thus in the specific operation process of a central air-conditioner, by means of an intelligent algorithm in which the cooling towers are cut away, manual control over the number of the cooling towers is achieved; and by means of a touch screen end of cooling tower equipment, real-time monitoring is conducted, a real-time online sorting algorithm is adopted for operation time of the cooling towers, a time balanced control strategy is guaranteed, and for each time, the cooling tower which runs for the longest time is started and the tooling tower which runs for the shortest time is switched off.

The invention discloses a far infrared intelligent electric heating table and a control circuit thereof. The electric heating table comprises a table body, wherein an electric heating plate is embedded into the table top of the table body; an electric heating footrest is arranged at the lower part of the table body; the electric heating plate and the electric heating footrest are controlled to work by the control circuit; and the control circuit comprises an electric heating plate control circuit and an electric heating footrest control circuit in parallel connection. The electric heating table disclosed by the invention has the advantages of simple structure, low manufacturing cost, long service life and high temperature regulation precision, is convenient to use, is energy-saving and environment-friendly, and does not take much space; and moreover, far infrared rays have a healthcare function to people, and the electric heating table is safe to use since no open fire is used.

The invention discloses an evaporator of chill box, which is characterized by the following: setting the evaporator as inflating type evaporator or plate type evaporator; arranging at least one ventilation slot at the lateral of the inflating evaporator or plate evaporator; setting the evaporator as full liquid type evaporator; setting the conduit line of the evaporator as flood type structure; flowing the cooling agent from lower to upper; increasing cooling efficiency. This invention possesses good air flowing effect, which can increase cooling effect.

The invention provides a thermal management method of an energy storage system, a controller and the energy storage system. The method comprises the steps: obtaining battery parameters of a battery system, further determining a temperature adjustment strategy of a temperature adjustment system according to the obtained battery parameters, and triggering the temperature adjustment system to execute the determined temperature adjustment strategy to adjust the temperature of the battery system. The scheme is applied to a system-level controller, the system-level controller and the temperature adjustment system achieve linkage control and coordinated control, the system-level controller determines a temperature adjusting strategy of the temperature adjustment system according to battery parameters of the battery system, then the temperature adjustment system is controlled to execute the temperature adjustment strategy, and finally, the temperature adjustment system adjusts the temperature of the battery system according to the battery parameters, so that the temperature adjusting precision of the battery system is improved.

The invention relates to a tail end cold and heat quantity balancing and redistributing power-saving control method in a central air-conditioning monitoring system and is designed for solving the technical problem that cold and heat quantity balancing and redistributing power-saving management of a tail end branch of a water distributor in the central air-conditioning monitoring system is inconvenient. The key point of the system is as follows: a heat supply portion of the control method comprises a steam boiler, a hot water pump, a plate type heat exchanger and electromagnetic valves; the hot water pump is connected to the plate type heat exchanger and a water collector through a pipeline, winter air conditioning hot water supply of the air-conditioning refrigerating system is connected to the water distributor through a pipeline, the steam boiler is connected to the plate type heat exchange through a pipeline, the electromagnetic valves are separately arranged on branch general pipes of the plate type heat exchanger, the plate type heat exchanger is connected to the water distributor, the branches of the pipeline are separately provided with temperature sensors, and the water outlet of the plate type heat exchanger is connected to a condensate water recovery pond through a pipeline, and moreover, energy conservation optimization is performed on the tail end of the cold quantity by combining a multi-regional cold quantity balanced distribution energy control technology and cold quantity fuzzy pre-judgment energy-saving control technology.

The invention discloses a moxa cone fixing device which comprises a bowl-shaped body and a fixing column, the fixing column is vertically arranged at the bottom of the bowl-shaped body and extends to the concave side, and a circle of air passing holes surrounding the fixing column are formed in the bottom of the bowl-shaped body. A circle of air passing groove surrounding the fixing column is formed in the peripheral wall of the bowl-shaped body. The invention further discloses a moxibustion device using the moxa cone fixing device, the moxibustion device comprises a body, an air channel is arranged in the body, and the moxa cone fixing device is arranged in the air channel. The moxibustion device has the advantages of being accurate in temperature adjustment, uniform in temperature output and good in moxibustion curative effect.

The invention provides an automatic thermostatic control instrument for a swimming pool. The automatic thermostatic control instrument is characterized in that an executive circuit of the automatic thermostatic control instrument for the swimming pool is in wireless communication connection with a control circuit of the automatic thermostatic control instrument for the swimming pool; the executive circuit of the automatic thermostatic control instrument for the swimming pool comprises a first ZigBee wireless communication circuit, a heating circuit, a cooling circuit and a temperature collecting circuit; the first ZigBee wireless communication circuit is the core part of the executive circuit of the automatic thermostatic control instrument for the swimming pool and is connected with the heating circuit, the cooling circuit and the temperature collecting circuit; the control circuit of the automatic thermostatic control instrument for the swimming pool comprises a second ZigBee wireless communication circuit, an LCD (Liquid Crystal Display) circuit, a keyboard circuit and an audible and visual alarm circuit; and the second ZigBee wireless communication circuit is the core part of the control circuit of the automatic thermostatic control instrument for the swimming pool and is connected with the LCD circuit, the keyboard circuit and the audible and visual alarm circuit. The automatic thermostatic control instrument provided by the invention can be used for controlling the water temperature of the swimming pool to reach a preset temperature fast and accurately and ensuring that the water temperature remains constant.

The invention discloses a spherical spraying nozzle desuperheater which is wider in jetting range, better in atomization effect of attemperation water, wider in application range, higher in adjustment accuracy and lower in noise. According to the technical scheme, the spherical spraying nozzle desuperheater is characterized in that a spherical spraying nozzle is fixed in a mixed pipeline through a fixing device; the fixing device is adjustable; through holes are uniformly distributed in the spherical spraying nozzle; one end of a short pipeline is connected with a long pipeline through a connector, and the other end of the short pipeline is connected with the spherical spraying nozzle; and the height of the spherical spraying nozzle is adjustable.

Disclosed is a water temperature adjusting device of a solar water heater. A hot water inlet solenoid valve and a cold water inlet solenoid valve are fixed to the upper end of a shell, a water outlet is formed in the lower end of the shell, a liquid crystal display screen and an adjusting knob input module are arranged at the front end of the shell, the input end of a power conversion module is connected with a power transmission line, the output end of the power conversion module is connected with an MPU master control unit, a temperature sensor and the liquid crystal display screen, and the MPU master control unit is connected with the liquid crystal display screen, the temperature sensor, the hot water inlet solenoid valve and the cold water inlet solenoid valve. A water insulation plate is fixedly arranged in the middle in the shell, a thrust ball bearing and an angular contact ball bearing are fixed to the bottom and top in the shell respectively, a water mixing shaft penetrates through a hole in the water insulation plate, the upper end of the water mixing shaft is fixed to the angular contact ball bearing, the lower end of the water mixing shaft is fixed to the thrust ball bearing, the temperature sensor is fixedly arranged beside the water outlet, and a blade is arranged on the water mixing shaft. The water temperature adjusting device is reasonable in structural layout, good in temperature adjusting effect, high in precision and suitable for application and popularization.

The invention discloses a central control switch of an intelligent air conditioner. The central control switch comprises a main panel, a bar-shaped control handle, film switches, an LED indicating lamp group, a vibrating motor and a control circuit board, wherein the bar-shaped control handle is arranged in the center of the main panel; the film switches are arranged on upper ends and lower ends of the left side and the right side of the bar-shaped control handle, and are connected with the control circuit board; the LED indicating lamp group is arranged on the upper surface of the bar-shaped control handle and is connected with the control circuit board; the vibrating motor is arranged on the surface of the control circuit board; and the control circuit board is arranged in the bar-shaped control handle and is connected with a vehicle through a control interface. Through the adoption of the central control switch of the intelligent air conditioner provided by the invention, the temperature of the air conditioner is adjusted in a manner of using two fingers to extrude the film switches, and the temperature adjusting range is fed back by the vibrating motor, so that the temperature adjusting accuracy of the central control switch of the air conditioner is greatly improved.

The invention discloses a hoisting air conditioner special for a passenger compartment. The hoisting air conditioner special for the passenger compartment is characterize in that the hoisting air conditioner comprises a hoisting component, a filter, an electric heating element, a compressor, a first evaporation chamber, a first air duct, a box body, an air blower, a second air duct, flow draught fans and a second evaporation chamber; the hoisting component is arranged at the upper end of the box body, and the one or two or three flow draught fans are connected to the lower end of the box body; the first evaporation chamber and the second evaporation chamber are arranged in the box body; the filter and the electric heating element are sequentially arranged at the left end of the first evaporation chamber; the compressor is arranged on the side wall of the first evaporation chamber; the first evaporation chamber communicates with the second evaporation chamber through the first air duct and the second air duct; and the air blower is arranged at the connection position of the first air duct and the second air duct. The hoisting air conditioner special for the passenger compartment has the beneficial effects that the structure is reasonable and compact; design is ingenious; the occupied space is small; safety and reliability are achieved; stability is high; the cooling effect is good; temperature adjustment precision is high; and the hoisting air conditioner meets energy conservation and environment protection policies initiated by the state. Great economic significance and social significance are achieved.