Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

61results about How to "Adjust heating power" patented technology

Temperature-controlled heat-conducting oil down drying machine

The invention relates to a temperature-controlled heat-conducting oil down drying machine, wherein the interlayer of a barrel body of the down drying machine is filled with heat-conducting oil; a plurality of temperature sensors are distributed in the heat-conducting oil uniformly; a plurality of groups of electric heating tubes are arranged in the interlayer of the barrel body uniformly; sieve plates are arranged on the end covers of the left end and the right end of the barrel body respectively; air tanks are arranged outside the sieve plates; an air flue is connected between the left air tank and the right air tank; an air inlet and a suction opening are connected in the middle of the air flue through a four-way reversing valve; the air inlet is sequentially connected with an air preheater and a fan cover; a radiator connected with the inner cavity of the barrel body is arranged outside the air preheater; air is heated through external heat source; the suction opening is sequentially connected with a dehumidifying draft fan and a driving motor I of the dehumidifying draft fan; a humidity sensor is arranged at the suction opening; and the motor I, the humidity sensor, the electric heating tubes and the temperature sensors are respectively connected with a programmable logic controller (PLC).
Owner:徐州腾宇羽绒制品设备有限公司

Electric cooker and heating control system and control method thereof

The invention discloses an electric cooker and a heating control system and control method thereof. The system comprises a foam detection module, a capacitance detection chip, a heating power controlmodule and a main control chip; the foam detection module is arranged in an upper cover of the electric cooker and comprises at least one foam sensing component, wherein the capacitance value of the foam detection module changes when each foam sensing component senses steam foam generated by the electric cooker; the capacitance detection chip is connected with the foam detection module and generates a foam detection signal by detecting the change condition of the capacitance value of the foam detection module; the heating power control module is used for controlling the heating power of the electric cooker; the main control module is connected with the capacitance detection chip and the heating power control module separately and used for controlling the electric cooker to stop heating orreduce the power for heating through the heating power control module when the capacitance value change of the foam detection module is determined according to the foam detection signal, so that an overflow phenomenon is prevented from occurring on the electric cooker, full boiling is ensured, and the non-electric contact detection of the foam is achieved.
Owner:FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD

PTC heater for novel electric car, and integrated control system

The present invention discloses a PTC heater for a novel electric car, and an integrated control system. The PTC heater comprises a heater body and a radiator. The heater body is disposed inside a shell of the heater. The shell of the heater is provided with at least one a temperature sensor and a ground line, wherein N is a natural number greater than 2. According to the radiator, the heater body is provided with a fluid vessel, wherein the fluid vessel is provided with a fluid inlet and a fluid outlet; or the radiator is array heat sinks disposed on the heater body. The control system comprises a controller, a temperature collection module, an insulation detection module, a switch drive module, a voltage collection module, a current collection module, and a control and power supply wiring terminal. The controller is connected with the temperature collection module. The temperature collection module is connected with a temperature detection wiring terminal. The switch drive module is connected with a switch device. The switch device is connected with the heater body. The PTC heater has the advantages of providing a hot air source, sharing a piece or a device with a battery heat dissipation system, being efficient and saving energy. The whole system is stable, is highly integrated, is convenient to use, and is easy to maintain.
Owner:SHENZHEN SHARING ELECTRONICS

Method for realizing multiple resistance values of electronic cigarette atomizing heating wires and arrangement structure

The invention relates to a method for realizing multiple resistance values of electronic cigarette atomizing heating wires. Multiple groups of heating resistance wires are jointly arranged in an atomizing chamber of an electronic cigarette atomizing core; each group of heating resistance wire is provided with a connecting lead to lead out of the atomizing chamber; and different groups of heating resistance wires are in combined connection outside the atomizing chamber to generate resistance wire combination with different resistance values, and different power combination can be generated after electrification. According to the atomizing wire multi-value-resistance arrangement structure using the above method, multiple groups of heating resistance wires are arranged in the atomizing chamber of the electronic cigarette atomizing core, and each group of heating resistance wire is provided with the connecting lead to lead out of the atomizing chamber; a resistance value adjusting device is arranged outside the atomizing chamber and is directly connected with the connecting leads which are led out by the heating resistance wires in the atomizing chamber; and the adjusting device sets up various different connecting modes for leading out the connecting leads.
Owner:INNOKIN TECH

Positive temperature coefficient (PTC) heater driving module for electric automobile air conditioner

The invention discloses a positive temperature coefficient (PTC) heater driving module for an electric automobile air conditioner. The PTC heater driving module comprises a PTC driving module, wherein one end of a pin B2 of the PTC driving module is connected with an air conditioner controller, and the other end of the pin B2 is connected with resistors R1 and R2; one end of a pin B1 is connected with an electronic control unit and the other end of the pin B1 is connected with resistors R1 and R3; the other end of the resistor R3 is connected with a base of a triode; the other end of the resistor R2 is connected with a collector of the triode, a resistor R4 and a fuse; the other end of the fuse is connected with a negative electrode of a diode and the input end of a power field effect tube driving integrated circuit; the output end of the power field effect tube driving integrated circuit is connected with a gate of a power field effect tube; an emitter of the triode, the resistor R4, a positive electrode of the diode and the ground end of the power field effect tube driving integrated circuit are grounded; a drain of the power field effect tube is connected with the PTC heater; and a source of the power field effect tube is grounded. A P-channel metal oxide semiconductor field effect transistor (P-MOSFET) replaces an electromagnetic relay, so that the PTC heater driving module is high in switching speed and does not generate impact and noise when running.
Owner:NANJING XIEZHONG AUTO AIRCONDITIONER CO CO LTD

Electric driving system, power assembly, heating method and electric vehicle

The invention discloses an electric driving system, a power assembly, a heating method and an electric vehicle, and relates to the technical field of electric vehicles. The electric driving system comprises an inverter circuit, a direct current-direct current conversion circuit and a controller. The input end of the inverter circuit is connected with the input end of the electric driving system, and the output end of the inverter circuit is connected with a three-phase motor winding of the electrically excited synchronous motor; the input end of the direct current-direct current conversion circuit is connected with the input end of the electric driving system, and the output end of the direct current-direct current conversion circuit is connected with an excitation winding of the electrically excited synchronous motor; the inverter circuit converts the direct current into three-phase current and provides the three-phase current to a three-phase motor winding; the direct current-direct current conversion circuit performs direct current conversion on the direct current and then provides the direct current to the excitation winding; the controller is used for controlling the inverter circuit and the DC-DC conversion circuit, so that the temperature of the power battery pack is larger than or equal to a first temperature threshold value. According to the scheme, a heating device does not need to be arranged when the power battery pack is heated, cost is reduced, and space is saved.
Owner:HUAWEI DIGITAL POWER TECH CO LTD

PTC heating device and control method thereof

The invention relates to a PTC heating device and a method for controlling the PTC heating device. The PTC heating device comprises a PTC electric heater, a stepping motor, a driving mechanism, a current transformer and a main chip. The stepping motor and the driving mechanism are used for driving the PTC electric heater to rotate around the axis thereof; the current transformer is used for detecting the loop current of the PTC electric heater; and the main chip has calculating, comparing and controlling functions and is connected with the current transformer and the stepping motor in sequence. The control of the PTC heating device adopts the automatic-detection fed-back current closed-loop control. The process for controlling the PTC heating device is the automatic cycling process. The included angle of the controlled object which is the PTC heating device and the air flowing direction can be amended continuously according to the set value of the user so that the heat radiating statecan be changed and hereby the surface temperature of a PTC plate can be changed. Due to the positive temperature coefficient characteristic of the PTC heating device, the resistance of the PTC heating device can be changed, the loop current can be changed, and the hereby power can be changed. The PTC heating device has the characteristics of simple and reasonable structure and flexible operation.
Owner:MIDEA GRP CO LTD

Experiment device used for measuring heat pipe heat conductivity coefficient

InactiveCN106918620AExpand the experimental power rangeIn line with the actual applicationMaterial thermal conductivityInlet valveCistern
The invention relates to an experiment device used for measuring heat pipe heat conductivity coefficient. The experiment device used for measuring heat pipe heat conductivity coefficient comprises a hot water loop I, a cool water loop II, a hot water tank 5 connected with the hot water loop I via a pipeline, and a cool water tank 10 connected with the cool water loop II via a pipeline; a hot end and a cold end of a hot pipe 7 are inserted into the hot water tank 5 and the cool water tank 10 respectively; the cool water tank 10 and the hot water tank 5 are movable, so that the horizontal distance from the cool water tank to the hot water tank can be adjusted; the hot water loop I comprises a hot water boiler 1, a heat exchanger 2, a variable frequency pump 26, and a water inlet valve 3, a flowmeter 24, and a water return valve 25 which are arranged on a pipeline communicated with the hot water tank 5; the cool water loop II comprises a refrigerating machine 14 and a variable frequency pump 16; a water inlet valve 13 is arranged on a pipeline used for communicating the outlet of the refrigerating machine 14 with the cool water tank 10; and a variable frequency pump 16, a flowmeter 18, and a water return valve 17 are arranged on a pipeline used for communicating the inlet of the refrigerating machine 14 with the bottom of the cool water tank.
Owner:TIANJIN UNIV

Fluid heater and control method thereof

The invention discloses a fluid heater and a control method thereof. The fluid heater comprises a resistance heating body which comprises a resistance wire, wherein a heating resistance wire and a temperature control resistance wire are arranged on the resistance wire, and the heating resistance wire comprises a thin resistance wire and a thick resistance wire; a fluid heating container comprisinga main body and a cover body, wherein a containing cavity is formed by the main body and the interior of the cover body, the cover body is provided with a fluid inlet, and the position, close to thecover body, of the main body is provided with a fluid outlet; and an electrical control system comprising a heating body temperature detection circuit. The resistance heating body is arranged in the containing cavity in the fluid heating container. The fluid heater and the control method thereof are convenient to use, the temperature of the heating body is sensed in real time by directly monitoring the change of the internal resistance of the resistance heating body, and the temperature of fluid in close contact with the heating body is calculated; and the structure of the fluid heater is simplified, and the stability of the outlet fluid temperature and the safety of the system are improved.
Owner:畅和智能家居(嘉兴)有限公司

Right-angle hydraulic control one-way valve for Internet of Things terminal information acquisition

The invention discloses a right-angle hydraulic control one-way valve for Internet of Things terminal information acquisition, and belongs to the technical field of hydraulic systems. A straight valve body and a right-angle valve body are connected in a sealed mode to form an integral right-angle valve body, a left inner cavity, a middle inner cavity, a right inner cavity and a corner valve cavity are sequentially arranged in the valve body from the liquid inlet side to the liquid outlet side, a valve element is movably installed in the middle inner cavity of the valve body, a partition plate is arranged between the left inner cavity and the middle inner cavity, a center hole is formed in the valve element, a sealing ball is arranged between the center hole of the valve element and the partition plate, a plurality of first through holes are formed in the partition plate, a plurality of second through holes are formed in the position, located around the valve element, of the liquid outlet end of the valve element to form a liquid outlet, liquid discharged from the right inner cavity flows out through the corner valve cavity, electromagnetic coils of a temperature control device are wound around the portions, located at the liquid inlet end of the valve body and the liquid outlet end of the right-angle valve body, of the valve body respectively, and an on-off and temperature information acquisition module is arranged at the part, corresponding to the middle of the valve element, of the valve body and controls heating or heating stopping of the electromagnetic coils according to the acquired information. The one-way valve can be heated, and the heat transfer efficiency is improved.
Owner:SHENYANG INST OF ENG

PTC heating device and control method thereof

ActiveCN102548059BChange surface temperatureChange cooling statusTemperature control using electric meansElectrical resistance and conductanceCyclic process
The invention relates to a PTC heating device and a method for controlling the PTC heating device. The PTC heating device comprises a PTC electric heater, a stepping motor, a driving mechanism, a current transformer and a main chip. The stepping motor and the driving mechanism are used for driving the PTC electric heater to rotate around the axis thereof; the current transformer is used for detecting the loop current of the PTC electric heater; and the main chip has calculating, comparing and controlling functions and is connected with the current transformer and the stepping motor in sequence. The control of the PTC heating device adopts the automatic-detection fed-back current closed-loop control. The process for controlling the PTC heating device is the automatic cycling process. The included angle of the controlled object which is the PTC heating device and the air flowing direction can be amended continuously according to the set value of the user so that the heat radiating statecan be changed and hereby the surface temperature of a PTC plate can be changed. Due to the positive temperature coefficient characteristic of the PTC heating device, the resistance of the PTC heating device can be changed, the loop current can be changed, and the hereby power can be changed. The PTC heating device has the characteristics of simple and reasonable structure and flexible operation.
Owner:MIDEA GRP CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products