11results about How to "Adjustable power" patented technology

The invention provides a concentration analyzer automatic cleaning system for an explosion-proof area and a control method.The concentration analyzer automatic cleaning system comprises a brush cleaning unit, a high-pressure water cleaning unit, an ultrasonic cleaning unit, a cleaning pollution judging unit and a data interaction interface, and a brush assembly arranged in the brush cleaning unit is installed on one side of an optical window of a refractometer; a brush assembly is arranged in the window to ensure that the brush covers the surface of the window, a driving unit of the brush assembly performs data interaction with the data interaction interface, a plurality of parameters are built in the driving unit, the driving unit controls the movement speed and driving pressure of the brush in the brush assembly, and adjustment is performed by receiving a control instruction of the data interaction interface; a high-pressure pump, nozzles and a connecting pipeline are arranged in the high-pressure water cleaning unit, the nozzles are arranged around an optical window of the refractometer and connected with the high-pressure pump through the connecting pipeline, a control unit is arranged on the high-pressure pump, and water pump pressure parameters and time interval parameters are preset in the control unit.

A conveyor belt dust collection and processing device relates to the technical field of dust removal equipment, including a dust collector, a conveyor belt dust removal device, a throwing point dust suction device, and a material drop point dust suction device. The conveyor belt dust removal device includes a dust removal hood, a collection gill, and an air duct fan. The dust removal hood is formed by overlapping multiple sections of telescopic hood bodies, and a group of support frames are arranged at intervals on each section of the hood body. The collection gills are formed by overlapping multiple gill bodies in sequence, and a group of air duct fans are arranged at intervals along the length direction of the collection air duct. The dust collector includes a shell, a spiral blade, and a transmission shaft. The throwing point dust suction device includes a first dust suction hood and a first dust suction fan, and the material drop point dust suction device includes a second dust suction hood and a second dust suction fan. The present invention has a simple structure, reliable performance, and is easy to install. It does not affect the maintenance of the conveyor belt, and can achieve better dust removal and processing effects for particles of different sizes, and dusts of different humidity and viscosity, and has a low failure rate.

The invention relates to an electronic atomization device which comprises a first liquid storage atomization module and a second liquid storage atomization module. The first liquid storage atomization module comprises a first airflow channel, a first liquid storage chamber used for storing a first aerosol generating substrate and a first atomization assembly in fluid communication with the first liquid storage chamber. The second liquid storage atomization module comprises a second airflow channel communicated with the first airflow channel, a second liquid storage chamber used for storing a second aerosol generating substrate and a second atomization assembly communicated with fluid of the second liquid storage chamber. The power of the first atomization assembly and / or the second atomization assembly is adjustable, so that aerosol with various tastes can be generated.

The invention discloses a photoelectric volume pulse wave detection system based on a vertical cavity surface emitting laser, which is characterized in that a multi-wavelength VCSEL (vertical cavity surface emitting laser) is used as a core light emitting unit and is matched with a signal processing module, an embedded control module and an AI (artificial intelligence) sign analysis module to construct an integrated detection framework. According to the system, stable lasing is realized by optimizing a VCSEL epitaxial structure and a preparation process; a multi-wavelength PPG signal is accurately acquired in cooperation with a low-noise amplification-multistage filtering-adjustable gain signal processing link; the embedded control module dynamically adjusts light source parameters, and the AI engine realizes real-time accurate calculation of health parameters through multi-dimensional feature extraction and integrated learning model and fusion of multi-wavelength signals. The system has the advantages of high integration level, low power consumption and strong anti-interference performance, the core unit is packaged compactly, the system adapts to the long endurance requirement of wearable equipment, the detection precision is obviously improved compared with the traditional LED equipment, and a high-cost-performance solution can be provided for the scenes of consumer electronic health management, primary medical screening and the like.

The invention discloses a jacket type ammonia-hydrogen co-combustion heat supply combustor and an operation process thereof. A fuel source is pure hydrogen or ammonia-hydrogen mixed gas. The combustor comprises a premixing cavity, a combustor base, a jacket type cooling structure, a temperature control system, a rotational flow stabilizing device and an ignition device, the jacket type cooling structure is composed of a combustor outer wall and a flame tube with spiral flow guide fins, air flows downwards in a spiral mode, and the combustor has the oxygen supply and cooling functions; the temperature control system regulates and controls air and fuel flow according to temperature through a temperature measuring device, a regulating valve and a controller, the rotational flow stabilizing device is composed of a rotational flow device, a flow guide pipe and a flow guide cover so as to strengthen flame stability, and the ignition device is used for safe ignition. According to the invention, hot tail gas generated by combustion supplies heat to rear-end equipment in a heat exchange manner; the device has the characteristics of high energy utilization rate, few pollutants, compact structure, high adaptability, active cooling of the combustor, stable combustion flame, stable and controllable energy supply temperature and the like.

The utility model discloses a light supplement control circuit suitable for a high-power laser illuminator, which comprises a single-chip microcomputer main control circuit, and a working power supply module, a communication module, a stepping motor driving module, a laser light supplement lamp driving circuit and the like which are connected with the single-chip microcomputer main control circuit. Wherein the communication module is integrated with a plurality of communication interfaces, so that a plurality of communication modes are supported, the compatibility is strong, the adaptation is convenient, and the selection is flexible. And the working power supply module comprises a delay starting circuit, so that the influence on an external power supply caused by overlarge peak current at the moment of power-on can be avoided. In addition, the single-chip microcomputer and the DC / DC constant current chip with large current output enable the output current to be adjustable and the power of the light supplement lamp to be adjustable, so that the light supplement distance can be controlled by a client through an instruction; three dimming modes are achieved through the single chip microcomputer, the DC / DC constant current chip with large current output and the optocoupler circuit, and a user can select the needed light emitting mode, pulse duty ratio, frequency and the like according to corresponding instructions.

The present invention relates to the field of electric heating gloves, and provides a heating glove based on thermal insulation aerogel, including a glove body, which is composed of an outer layer, an upper thermal insulation aerogel layer, a lower thermal insulation aerogel layer, a heating layer, a thermal conductive insulation layer and an inner layer from the outside to the inside; a power slot with an open zipper is provided on the back of the hand, a rechargeable power supply is built in, the heating layer is connected by a wire, and a temperature control module is integrated, which supports four-speed adjustment of off, low temperature, medium temperature and high temperature, and a charging interface is provided for easy charging with an external power supply. The aerogel layer of the present invention breaks through the limitation that traditional aerogel can only insulate. The upper layer of thermal insulation aerogel integrates thermal insulation, moisture resistance, anti-fouling and flexibility, which improves the thermal insulation performance, cleaning convenience and wearing comfort of the electric heating gloves in a humid environment; the lower layer of thermal insulation aerogel is both thermally insulating, flame retardant and highly flexible, and is in close contact with the heating layer, which enhances the heating efficiency and safety, while maintaining the flexibility of the gloves.

The application discloses a handheld underwater detection device with adjustable direction propulsion and belongs to the technical field of underwater operation equipment. The existing handheld underwater detection device completely relies on manpower movement, and problems such as no power assistance, power and detection being unable to be coordinated exist. The application comprises a main body structure, a quick-release battery assembly, a sensing unit, an interactive display module and an underwater propulsion module. The main body structure comprises a main shell and a handheld ring connected with the main shell. The quick-release battery assembly is installed on the main body structure, provides power for the device and realizes quick release of the battery. The sensing unit comprises a detection imaging assembly and a multi-source fusion positioning navigation module. The interactive display module comprises a display screen and control buttons arranged on the top surface of the main body structure. The underwater propulsion module comprises an underwater steering engine fixed below the main body structure and an underwater propeller connected with the output end of the underwater steering engine, and the underwater steering engine is used for driving the underwater propeller to realize adjustable pitch angle. The application realizes adjustable direction autonomous propulsion of the handheld underwater detection device, integrates detection, navigation and power assistance into one, and is convenient for operation.

This invention proposes a control method for a steam-type cleaning device. The steam-type cleaning device includes a steam generating device and a steam outlet connected to the steam generating device. The steam generating device includes a steam boiler and a water pump connected to the steam boiler. The steam boiler is equipped with a heating element. The control method includes the following steps: obtaining a steam flow rate selected by the user; determining a heating power matching the steam flow rate, wherein the heating power is positively correlated with the steam flow rate; controlling the water pump to supply water to the steam boiler at a flow rate matching the steam flow rate, and controlling the heating element to heat at the heating power to generate steam corresponding to the steam flow rate, which is then ejected from the steam outlet. This invention enables adjustable steam output and adjustable boiler power.

The invention relates to the technical field of signal devices, and provides a variable-power infrared emission controller in order to solve the problem that an existing infrared emission controller cannot have good applicability in all power ranges, and the variable-power infrared emission controller comprises an alternative switch, a voltage modulation loop and a constant-current infrared control loop. The voltage modulation loop is used for generating a reference voltage and an infrared modulation signal; a high-level signal input end of the either-or switch receives a reference voltage, a low-level signal input end of the either-or switch is grounded, and a control signal input end of the either-or switch receives an infrared modulation signal and generates a modulation voltage; the constant-current infrared control loop comprises a constant-current source and an infrared transmitting tube which are connected in series, and the input end of the constant-current source receives the modulation voltage; the amplitude of the modulation voltage is the same as that of the reference voltage, and the frequency of the modulation voltage is the same as that of the infrared modulation signal. And the load current is adjusted by changing the modulation voltage, so that the adjustability and adaptability of the power of the infrared emission controller are realized.

The invention relates to a wide-voltage-input pulse width modulation electromagnetic lock driving circuit method. The wide-voltage-input pulse width modulation electromagnetic lock driving circuit is characterized by comprising a voltage conversion circuit (1), an MOSFET driving circuit (2), a voltage sampling circuit (3), a current sampling circuit (4), a sampling holding circuit (5) and an alarm circuit (6). The CPU collects the value of the input voltage VIN through the voltage sampling circuit (3), a PWM signal with the duty ratio being Duty1 is output within 0-t1, at the moment, the input voltage is V1, the voltage difference between the two ends of the electromagnetic lock coil is V1, and it is ensured that the electromagnetic lock is lifted; a PWM signal with the duty ratio being Duty2 is output within t1-t2, at the moment, the input voltage is V1, the voltage difference between the two ends of the electromagnetic lock coil is V2, and the lock lifting state of the electromagnetic lock is maintained; the electromagnetic lock has the advantages of being high in applicability, low in calorific value and adjustable in power, can adapt to wide voltage input, can reduce energy consumption of the electromagnetic lock, reduces the calorific value of the coil, prolongs the service life, and meanwhile achieves fault early warning of the electromagnetic lock.