31results about How to "Realize unattended function" patented technology

The invention discloses a portable liquid nitrogen filling device with an automatic stopping function for a high-purity germanium detector. The portable liquid nitrogen filling device comprises a temperature measuring unit, an automatic control unit and a liquid nitrogen filling unit, wherein the automatic control unit comprises a 220V power supply, a start button, an alternating-current contactor, a temperature controller and an electromagnetic valve; the electromagnetic valve is arranged on an exhaust pipe of a liquid nitrogen pump; the two input ends of the electromagnetic valve are connected with an L phase and an N phase of the 220V power supply respectively through a contact KM2 and a contact KM3 of the alternating-current contactor; the electromagnetic valve is in a shut-down state when the output voltages of the contact KM2and the contact KM3 are switched on and is in a turn-on state when the voltages are switched off. By adopting the portable liquid nitrogen filling device, a temperature monitoring function is realized, the liquid nitrogen pump stops automatically when a Dewar tank is full of liquid nitrogen and the automatic control unit is irreversible when the temperature is higher than a set threshold value, so that the function of unattended operation is realized in a liquid nitrogen filling process.

The invention discloses an intelligent analyzer and a detection method for a standard state dry basis, and belongs to the field of gas detection analyses. The intelligent analyzer comprises a sensing and measuring unit, a heating control unit, a data collecting and processing unit and an output display communication unit, wherein the heating control unit and the sensing and measuring unit are positioned in a same closed cavity chamber; and the peripheries of the heating control unit and the sensing and measuring unit are separated from the data collecting and processing unit and the output display communication unit through a heat insulating plate. The detection method comprises the following steps of: demarcating zero gas, and detecting sample gas, so as to obtain a wet basis volume value under a nonstandard state of measured gas; measuring parameters of fume, and changing the parameters into volume values under a standard state and converting to be a value of a standard state dry basis concentration. According to the intelligent analyzer and the detection method, the gaseous pollutant standard state dry basis concentration is directly output, the service life of the analyzer is prolonged, and functions of diagnosing the running state of the analyzer can in real time can be realized; and the detection method solves the problems that the condition that measured values of the analyzer can meet the China environmental standard, the condition that an instrument is easy to damage under a complicated working condition, and the reality reliability of the measured values of the analyzer are ensured, and the like can be solved.

An oily waste-water treatment system contains a separator for separating oil from water and a sub-system of an artificial wet-land. Said oil / water separator consistes of successively: an impurity removing tank, a single step separator, a clean water tank, there are inlets on the upper parts of the tanks and outlets on the lower parts of the tanks. The inlets / outlets of these tanks are connected successively. And vents are placed on the tops of the tanks; and connecting, through the control valves, respectively to the general gas-drainage / oil drainage pipe. And there are mud outlets at the bottoms of the tanks; and connecting, through the control valves, to the general mud pipeline respectively. The effluent from the separator is pumped into the artificial wet land, which consisting of: a water pump well, an artificial wet land, a control well. Advantages: compact structure, low cost, obvirous economic benefit.

The invention discloses an integrated measuring device for multiple-point type flow velocity pressure temperature, and belongs to the technical field of flue gas flow velocity measuring devices. The integrated measuring device for the multiple-point type flow velocity pressure temperature comprises a gas circuit detection unit (8), a backflow calibration unit and a sensing measurement unit (17). An outlet of a dynamic pressure tube of the gas circuit detection unit (8) and an outlet of a static pressure tube of the gas circuit detection unit (8) are respectively connected with an air inlet of the backflow calibration unit. A temperature sensor of the gas circuit detection unit (8) is connected with the sensing measurement unit (17). Through the integrated measuring device for the multiple-point type flow velocity pressure temperature, multi-point measurement on the same pitot tube is achieved, flow velocity of a cross hatching line is directly outputted, accuracy of measurement of fuel gas flow velocity is improved, a gas circuit of a system is shortened, loss of backflow air supply pressure which is caused by the phenomenon that the gas circuit is too long is prevented, the backflow effect is enabled to reach an optimal level, and the gas circuit is prevented from being blocked by dust.

The invention relates to a seawater desalination system, belongs to the field of new energy resources, and in particular relates to a wind and light storage complementary container-type intelligent microgrid seawater desalination system. The system provided by the invention integrates an intelligent microgrid system and a seawater desalination system into a container which is easy to assemble andtransport, and utilizes advanced control strategies and small-capacity energy storage; and the system combines a wind and light storage complementary intelligent microgrid with seawater desalination to break technical difficult problems that new energy resources are instable, thereby causing impact on equipment and the like, and provides a stable power source for seawater desalination equipment tomake the equipment works stably.

The invention belongs to the technical field of heat radiators, and relates to a heat radiator for a V type fuel gas powering and compression integrated machine. The heat radiator for the V type fuel gas powering and compression integrated machine disclosed by the invention is provided with a three-level heat radiating structure composed of heat radiating components, an air director (24) and an air barrel (25), wherein the heat radiating components comprise a water radiator (20) and an air cooler (18) that are arranged up and down, a shutter (17) is mounted in the front of the air cooler (18), a process gas inlet (13), a process gas outlet I (14), a process gas outlet II (11) and a process gas discharging opening (12) are formed in an air tank of the air cooler (18), an expansion water tank (21) is welded to the top of the air director (24), an expansion opening (8) and a water filling opening (9) are formed in the expansion water tank (21), and the air barrel (25) is barrel-shaped and is detachably mounted at the rear part of the air director (24). The heat radiator for the V type fuel gas powering and compression integrated machine disclosed by the invention can meet requirements of cooling both compressed fuel gas and cooling liquid, discharging the compressed fuel gas at an overpressure, and providing fuel gas for the integrated machine.

The invention provides automatic production equipment of a floss stick. The equipment comprises an injection molding machine, a paying-off device and a mechanical arm assembly, wherein the mechanical arm assembly comprises a mechanical arm, a swinging mechanism, a lifting plate, a sliding disc and a mechanical arm base; the mechanical base is fixed on the front side of the injection molding machine; the sliding disc can be arranged on the mechanical base back and forth in a sliding manner; the lifting plate can be arranged on the sliding disc up and down in a sliding manner; the swinging mechanism is mounted on the lifting plate; the mechanical arm can be arranged on the swinging mechanism in a rotatable swinging manner; the lifting device is fixed on the sliding disc; the lifting plate is driven by the lifting device to realize up-down lifting. The equipment has a simple structure; a material handle collection position and a product collection position are separated from each other by rotating the swinging mechanism, so that automatic product collection is realized and a space and a connector are provided for full-automatic packaging equipment.

The invention provides an overhead transmission line snow removing device which is characterized in that the tops of transmission line towers are equipped with solar panels for providing and supplying electric energy to snow removing devices and cameras for monitoring the snow coverage of a transmission line in real time, the transmission line is equipped with sag sensors, pressure sensors and temperature and humidity sensors to measure the sag of the transmission line, the pressure of the transmission line by snow and the temperature and humidity of the transmission line, a high frequency sound wave machine is installed and is used for emitting high frequency sound waves with different frequencies to cause air vibration so as to cause the vibration of the snow on the transmission line. According to the device, the intelligent snow removal function and remote monitoring function of the overhead transmission line are realized, the unattended function is realized, and the cost of manpower and materials is reduced.