38results about How to "Prevent mis-spraying" patented technology

The invention provides an electromagnetic valve jet drive circuit for a natural gas engine, and belongs to the technical field of an electric control engine hardware system. The drive circuit comprises a peak value maintenance pulse width generation circuit, a peak value maintenance current setting circuit, a mis-jet preventing circuit, etc. A capacitor C7 is connected with the negative terminal of a jet incoming signal DRVSIGNAL1 and a comparator A. The output signal COUT1 of the comparator A is connected with the base of a triode Q1. A resistor R1 is connected with the anode port the output port of a comparator B. One end of a resistor R9 is connected with a jet control signal DRVSIGNAL1, and the other end is connected with the anode port of a comparator C. The port 2 of a high and low side driver is connected with the output port signal of the comparator C; and a port 8 is connected with the cathode of a diode MUR1. The drain electrode of a MOSFET chip Q2 is connected with a power supply VBAT. The invention generates peak current pulse width, and simplifies the jet drive control mode with high configurability of the circuits. In addition, the invention can effectively prevent mis-jet from occurring.

The invention discloses an urban solar street lamp for dust suppression. The urban solar street lamp comprises a solar photovoltaic cell panel, a lamp head, an infrared dust sensor, a lamp post, a plurality of spray heads, a storage battery and a controller. The solar photovoltaic cell panel is connected with the lamp post through a rotating mechanism, the positive and negative poles of the solarphotovoltaic cell panel are connected with the storage battery through wires, and the storage battery is connected to the lamp head and the infrared dust sensor after being connected with the controller. The connection portion between the lamp head and the lamp post is provided with the multiple spray heads, the spray heads are in pipeline connection an urban drinking water through a filter device, the pipeline, connected with the urban drinking water, of the spray heads is provided with an electromagnetic adjusting valve, the electromagnetic adjusting valve is connected with the controller, and the storage battery and the controller are both fixed inside the lamp post. Urban flying dust and haze pollution can be effectively eliminated, the infrared dust sensor is arranged and used for detecting dust, the opening, closing and size of the spray heads are automatically adjusted, and the effects of suppressing flying dust and haze, reducing energy consumption and reducing secondary pollution are achieved.

The invention discloses a fire sprinkler head used for a dust collector, which comprises a nozzle frame and a splash tray, wherein the lower end of the nozzle frame is provided with a base, and the base is internally provided with a first through hole, the splash plate comprises a disk and a splash groove uniformly distributed around the disk, and the disk is fixedly connected with the upper end of the nozzle frame, the base is provided with an insertion slot, and the open end of the first through hole is provided with an insertion board which is matched with the insertion slot, and the insertion board is provided with a second through hole matched with the first through hole; the top surface of the base is provided with a bimetal member in contact with the insertion board, and the bimetalmember is arranged at one end of the insertion board and is in contact with the insertion board to push the insertion board, so that the second through hole is aligned to the insertion board. The self-resetting bimetal member is used as a heat-receiving component, so that the fire sprinkler head is resistant to falling, is not easily damaged, the fire temperature is reduced, the bimetal member isreset, the insertion board plate slides manually, the through holes are sealed again, and the fire sprinkler head can be reused without replacement.

The invention provides an intelligent quarantine and disinfection system for entry and exit port vehicles. The intelligent quarantine and disinfection system is characterized in that a chemical flow outlet of a disinfectant generator is connected with an electromagnetic flow instrument B, an outlet of a water tank is connected with an inlet of a booster pump, an outlet of the booster pump is connected with an electromagnetic flow instrument A, both an outlet of the electromagnetic flow instrument A and an outlet of the electromagnetic flow instrument B are connected with an inlet of a proportioning pump, an outlet of the proportioning pump is connected with an inlet of a heater, an outlet of the heater is connected with an inlet of a sterilization detection device, an outlet of the sterilization detection device is connected with an inlet of a high-pressure pump, a magnetic valve and a spray head are arranged in the outlet direction of the high-pressure pump, a water trough is connected with a water circulating device, and an outlet of the water circulating device is connected with an inlet of a filter. The intelligent quarantine and disinfection system has the advantages of being good in energy-saving and environmental protection effect, high in waste liquid recycling rate, stable in disinfectant proportioning concentration, high in intelligent degree and capable of meeting the actual demands of enterprises and the market.

The invention discloses a pipeline fire extinguishing device, which includes a fire damper, a fire extinguisher and an aerosol device. The fire damper communicates with the fire extinguisher, and the middle is separated by a sealing plate. The blade can open the sealing plate, and an aerosol device is installed at the air inlet of the fire extinguishing valve. The aerosol device can be activated or opened by the actuator on the fire damper. The ignition device of the aerosol fire extinguisher includes a pull-type ignition element, or a push-type ignition element, or a button element for electric ignition, or also includes a safety mechanism. Due to the use of aerosol fire extinguishing, the present invention has the advantages of low cost, long storage period, no annual inspection and easy installation, and is especially suitable for fire protection of various pipelines.

The invention relates to a passive fire detection pipe type automatic fire extinguishing device for a cabin of a wind generating set, and belongs to the technical field of fire extinguishment of wind generating sets. According to the technical scheme, the automatic fire extinguishing device comprises an indirect fire detection pipe type fire extinguishing device and a direct fire detection pipe type fire extinguishing device, wherein the indirect fire detection pipe type fire extinguishing device is arranged at a brake pad (6); a fire detection pipe is connected with a release valve (4) on a container bottle (3); the release valve (4) is communicated with a spray nozzle (8) through a spray pipeline (9); the direct fire detection pipe type fire extinguishing device is arranged in an electric cabinet (10); the fire detection pipe is connected to the container bottle (3) through the release valve (4); a pressure switch (7) is arranged on the container bottle (3). The automatic fire extinguishing device has the benefits as follows: the cost and the mounting difficulty are lowered, the reliability of the fire extinguishing device is improved, a fire is detected in the shortest time and can be extinguished at the highest speed in a point-to-point manner, the response time is quick, more fire extinguishing agents are saved, and the environment-friendly performance is good.

A device for preventing the spread of disease especially in healthcare and food handling facilities by making it very quick and easy to disinfect hands without having to take extra steps. A small, disinfectant-filled bottle, typically flat, that fits snugly to the waist on a belt, or attached to a pocket, allows almost instantaneous disinfecting of hands simply by reaching down and spraying a small amount of disinfectant fluid on the hand while walking, standing or performing just about any other task. Being generally light and smooth, the device resists hanging up on material or objects, and it can be worn by both male and female personnel. A concave valve prevents false spraying. When empty, the device can be disposed of without any messy refilling.

The invention discloses a nuclear island water system sealing measurement device and method. The measurement device comprises: a water tank which is provided with a liquid level sensor and a temperature sensor; a water filling pipeline, a pressurizing pipeline, an exhaust pipeline and a test connecting pipeline which are all connected with the water tank; a control module used for calculating a water leakage volume according to the water level change in the water tank, converting the water leakage volume into a gas leakage volume, correcting the gas leakage volume to a standard condition according to the temperature measured by the temperature sensor, and calculating the leakage amount of the valve to be measured; and a display screen used for displaying the test related parameters and thetest result. Compared with like devices and methods in the prior art, the device and the method of the invention have the advantages that a to-be-tested system does not need to be filled with water and drained repeatedly in the test period, so the test time is shortened, and the problem that the system function is affected by rust slag and the like due to the fact that a water system is not filled with water for a long time can be prevented; and moreover, the device and the method have the advantages of high test precision, reliable data result, simple equipment operation, small size, portability, real-time display of measurement results and the like.

The invention discloses a tree trunk whitewashing device for a garden. The tree trunk whitewashing device comprises a movable seat with an L-shaped cross section, wherein the top of the movable seat is connected with a material storage barrel through a bolt; the bottom of the movable seat is connected with a first conveying pump through a bolt; a stirring mechanism is arranged in the material storage barrel; the top and the bottom of one side of the movable seat are connected with mounting plates correspondingly through bolts; and one side of one mounting plate is connected with a rotary motorthrough bolts. According to the tree trunk whitewashing device disclosed by the invention, a stirring motor drives a rotary rod and a stirring paddle to stir and uniformly mix a whitewashing agent; the movable seat is pushed to move so that a tree trunk is located between two movable plates; the rotary motor drives the two movable plates to rotate around a rotary shaft and cover an outer wall ofthe tree trunk in a buckling manner; the first conveying pump is used for pumping the whitewashing agent in the material storage barrel into the movable plates and spraying the whitewashing agent through a spraying nozzle to uniformly whitewash the tree trunk; and the tree trunk whitewashing device is convenient and efficient, and the circumstance that the whitewashing agent is sprayed onto clothes by mistake in a spraying process is avoided.

The invention discloses a paint spraying roller bed, which comprises a motor, a rotary shaft, a rotary wheel, a plate chain belt, supporting feet, a supporting frame, a spray head, fixing plates, clamping grooves, a supporting plate, clamping blocks, a through hole, a partition plate, magnetic blocks, fixing seats, magnet blocks, a support, a damping spring and a limiting plate. The paint sprayingroller bed is characterized in that the front side of the motor is rotationally connected with the rotary shaft, and the supporting feet are mounted on the two sides of the plate chain belt; the fixing plates are fixed to the plate chain belt, and the clamping blocks are clamped in the clamping grooves; the supporting plate is arranged above the clamping blocks, and the through hole is formed inthe front side of the supporting plate; the partition plate is fixed to the middle of the supporting frame, and each fixing seat is arranged between the two corresponding fixing plates; and the support is mounted on the supporting foot on the left side. According to the paint spraying roller bed, by arranging the four sets of fixing plates and clamping grooves, the supporting plate can be clampedin the upper parts of the fixing plates and the clamping grooves, additionally the through hole is formed in the front side of the supporting plate, by using a forklift, the supporting plate is convenient to take and place, thus a vehicle is convenient to pick up and store, and using is convenient.

The invention discloses a fire identification method. The method comprises the following steps: using a temperature probe to form a current signal according to thermo-induction and feed the current signal back to a control system; starting a timer to delay the time after the control system receives the signal, allowing the control system not to be operated by a person after the time is delayed or allowing an operator to press a fire extinguish button; allowing the control system to start a fire extinguishing device to extinguish fire. The fire identification method disclosed by the invention is quite high in accuracy and can be used for effectively preventing the phenomenon of mistaken ejection.

The invention discloses a surface spraying device for a product with a groove inside. The device comprises a machine body, wherein a working cavity is formed in the machine body, a cross rod base is installed on the inner wall of the bottom side of the working cavity in a left-right sliding mode, a product to be sprayed can be installed on the cross rod base, a mistaken spraying preventing assembly used for preventing mistaken spraying on other surfaces of the product is arranged in the working cavity, and the mistaken spraying preventing assembly comprises a threaded block installed on the inner wall of the rear side of the working cavity in an up-down sliding mode. When the device works, mistaken spraying can be prevented from being carried out on a side face of the product and the interior of pattern spraying through the mistaken spraying preventing assembly, sprayers with different patterns can be replaced by replacing a pattern sprayer assembly, the upper surface of the product and the interior of the groove can be uniformly sprayed through a spraying assembly, the reject ratio is reduced, and the working efficiency is improved.

The invention discloses a spray nozzle opened through action of a heat sensitive element. The spray nozzle comprises a frame and is characterized in that a pre-tightening screw and a sealing seat arerespectively arranged on the top and bottom of the frame; a lever component is arranged between the pre-tightening screw and the sealing seat and comprises a support, a balance frame, a steel ball, agasket, and a fusible alloy; the support and the balance frame are braced each other through the steel ball; the fusible alloy is embedded at the bottom of the support and is pressed by the steel ball; the bottom end of the balance frame is pressed against and blocks the steel ball; and the top of the frame on the pre-tightening screw is fixedly connected to a splash box by a bolt. By arranging the lever component in the frame, when the fusible alloy is melted by the heat, the steel ball loses supporting force and sinks, and then the balance frame pressed against the steel ball loses pressureforce and is ejected upwards, so that the heat sensitive element acts, and the spray nozzle sprays water. The heat sensitive element has simple and reasonable action structure, stable structure intensity, and high using safety performance and avoids mistaken spraying or pre-spraying.

The invention discloses a multifunctional dual-purpose shower head which comprises a water inlet connector, an inner connecting pipe, a handle housing, a water outlet connector, a plastic ring, an upper water outlet valve element, a water outlet housing, an upper water outlet cover and a water outlet nozzle. The inner connecting pipe is put in the handle housing, the upper water outlet valve element is placed in the water outlet housing, a water inlet of the inner connecting pipe is connected with a water outlet of the water inlet connector, a water outlet of the inner connecting pipe is connected with a water inlet of the water outlet connector, a water outlet of the water outlet connector is connected with a water inlet of the upper water outlet valve element, a water outlet of the upperwater outlet valve element is connected with a water inlet of the upper water outlet cover, a water outlet of the upper water outlet cover is connected with the water outlet nozzle, the water outlethousing is provided with a first water outlet for jetting a thick water column and a second water outlet for jetting a fine water column, and the water outlet direction of the first water outlet and the water outlet direction of the second water outlet form an included angle greater than or equal to 90 degrees. The thick water column and the fine water column are jetted out through different wateroutlets, and the thick water column is effectively prevented from mistakenly jetted onto the human body.

The invention provides an intelligent quarantine and disinfection system for entry and exit port vehicles. The intelligent quarantine and disinfection system is characterized in that a chemical flow outlet of a disinfectant generator is connected with an electromagnetic flow instrument B, an outlet of a water tank is connected with an inlet of a booster pump, an outlet of the booster pump is connected with an electromagnetic flow instrument A, both an outlet of the electromagnetic flow instrument A and an outlet of the electromagnetic flow instrument B are connected with an inlet of a proportioning pump, an outlet of the proportioning pump is connected with an inlet of a heater, an outlet of the heater is connected with an inlet of a sterilization detection device, an outlet of the sterilization detection device is connected with an inlet of a high-pressure pump, a magnetic valve and a spray head are arranged in the outlet direction of the high-pressure pump, a water trough is connected with a water circulating device, and an outlet of the water circulating device is connected with an inlet of a filter. The intelligent quarantine and disinfection system has the advantages of being good in energy-saving and environmental protection effect, high in waste liquid recycling rate, stable in disinfectant proportioning concentration, high in intelligent degree and capable of meeting the actual demands of enterprises and the market.

The invention relates to an automatic source-free superfine-dry-powder extinguishing method and device for the engine room of a wind generating set, and belongs to the technical field of wind generating set firefighting. The invention adopts the technical scheme as follows: a temperature-sensing magnetic generator (4) is connected to the ignition controller (6) of the extinguishing device body (1) through a cable (5); the starting head of the temperature-sensing magnetic generator and the nozzle of the extinguishing device face to the body of a generator (8); when the temperature around the generator reaches a set fire temperature, the starting head of the temperature-sensing magnetic generator starts the ignition controller, after the ignition controller works, high pressure is instantly generated in the body of the extinguishing device, and superfine dry powder rushes at the blasting diaphragm of the nozzle, and sprays to the body of the generator, so that a fire is put out. The automatic source-free superfine-dry-powder extinguishing device is low in cost, high in speed and environmentally friendly, and the fire does not reburn; the extinguishing device is close to an object to be protected and can put out the fire in the bud, the loss caused by fire can be reduced effectively, and production recovery is facilitated; field staffs are not injured by the extinguishing device during the use of extinguishing device, and the extinguishing device is very suitable for an unmanned station or a department required to be protected importantly.

The invention discloses a mis-spraying resistance system of a watering cart based on pedestrian detection, belongs to the field of equipment for automatically controlling spraying systems of wateringcarts, and particularly discloses the mis-spraying resistance system of the watering cart. The system comprises a CMOS camera, a processor, a two-way relay module, an electromagnetic relay I, an electromagnetic relay II, a music player and a motor; through the design of the system, the system can adapt to various external environments, measure the distances between pedestrians and the head of thewatering cart within a remote range to avoid spraying by mistake, ensure safety of the pedestrians, improve the working efficiency of the watering cart, reduce noises of the watering cart in the working process, and avoid resource waste and possible civil dispute.

The invention discloses a safe protecting device of aerosol. The safe protecting device is arranged on the top of an aerosol tank; an aerosol value is encapsulated on the top of the aerosol tank; a value cup of the aerosol valve surrounds a valve rod of the aerosol value; an accommodating cavity is defined by the valve cup; a spray head is arranged above the valve rod. The safe protecting device comprises a device body; the device body is downwards pressed into the accommodating cavity in the axial direction of the valve rod and is positioned under the spray head; the device body and the cavity wall of the accommodating cavity are mutually extruded; the device body arranged in the accommodating cavity prevents the spray head from downwards pressing the valve rod; in addition, the device body is provided with a prying structure and a marking structure; an operator uses the prying structure for prying the device body from the accommodating cavity and taking the device body away; the operator uses the marking structure for prying a marking device body from the accommodating cavity. The safe protecting device has the advantages that the risk of accidental spraying generated when the aerosol does not to be used and the risk of aerosol generated when the aerosol is operated and controlled by careless by children can be avoided; in addition, the goal of preventing the aerosol put into the market to be sold from being randomly used by people before being sold can also be prevented.

The invention discloses a shower head capable of discharging spray gun water. The shower head comprises a body assembly provided with a water inlet, a surface cover assembly provided with a surface cover water outlet, rotationally connected with the body assembly and provided with an avoiding opening in the middle, a central water outlet body provided with a central water outlet; the central wateroutlet comprises a spray gun water outlet capable of discharging the spray gun water, and the central water outlet body is located at the avoiding opening and is fixedly arranged relative to the bodyassembly; and when the surface cover assembly is rotated relative to the body assembly, the water inlet is communicated with the surface cover water outlet or the central water outlet or is simultaneously communicated with the surface cover water outlet and the central water outlet. The position of the spray gun water outlet is fixed and cannot rotate along with rotation of the surface cover assembly, use is more convenient, and an electroplating process of the body assembly needing to be electroplated cannot be influenced.

The invention discloses a self-spraying tank and an application method thereof, and belongs to the technical field of spraying devices. The self-spraying tank comprises a tank body, an aerosol valve arranged at one end of the tank body and a suction pipe arranged in an inner cavity of the tank body and connected with the aerosol valve, wherein an inner tank which extends towards the aerosol valve and is provided with an independent sealing cavity is arranged at the other end of the tank body, and a piercing structure for piercing the inner tank is arranged at the end, far away from the aerosol valve, of the inner tank. According to the application method, the self-spraying tank is adopted, the tank body is filled with a liquid component A, and the inner tank is filled with a liquid component B. The application method comprises the following steps that firstly, the inner tank is pierced through the piercing structure, the liquid component B in the inner tank enters the tank body, the tank body is shaken to enable the liquid component A and the liquid component B to be fully mixed, and a sprayer on the tank body is pressed to open the aerosol valve for spraying. According to the invention, automatic spray coating of double-liquid-component mixed paint is realized.

The invention discloses a nozzle mechanical sealing structure. The nozzle mechanical sealing structure comprises a pipeline, a spray head mechanism is arranged at the upper end of the pipeline, a locking mechanism is arranged on the surface of the spray head mechanism, the spray head mechanism comprises a threaded spray pipe, the threaded spray pipe fixedly communicates with the upper end of the pipeline, and a conical cylinder is fixedly connected to the upper end of the threaded spray pipe. The nozzle mechanical sealing structure has the beneficial effects that a fixing rod drives a clamping block to rotate, when the clamping block rotates, a vertical groove is driven to rotate, the vertical groove drives a threaded cylinder to rotate, threads on the surface of the threaded cylinder extrude threads on the inner wall of a threaded spraying pipe, and then the rotating line of the threaded cylinder moves upwards, when the rotating line of the threaded cylinder moves upwards, an annular clamping groove is driven to move upwards, when the annular clamping groove moves upwards, a rubber cylinder is driven to move upwards, when the rubber cylinder moves upwards, the rubber cylinder is extruded by the conical cylinder, then the upper end of the rubber cylinderl shrinks and wraps around the surface of a blocking block, then the conical cylinder is blocked, and erroneous spraying at the conical cylinder position is effectively prevented.

The invention discloses a power battery box fire extinguisher control device. The power battery box fire extinguisher control device comprises an infrared thermometer, a nozzle, a spraying pipe, a control valve, a spraying head, a fire extinguisher, a control switch, a data concentrator, a battery management system, an induction assembly and a relay; the nozzle is mounted on one side of a batterybox, and the nozzle is connected with the spraying pipe; the spraying head is mounted at the other end of the spraying pipe, the fire extinguisher is mounted on one side of the spraying head, and thecontrol valve is mounted on the spraying head; the infrared thermometer is mounted on the upper side of the battery box, a temperature sampling wire harness is connected with the battery management system, and a data transmission wire harness is connected with the data concentrator; and a second control wire harness is connected with the control switch, a voltage sampling wire harness is connectedwith the battery management system, and the induction assembly is mounted in the battery box; and a signal transmission wire harness is connected with the battery management system, and the battery box is connected with the relay. According to the power battery box fire extinguisher control device, the state of a power battery is monitored in real time, whether fire happens when the power batteryis on fire or not is precisely judged, and error spraying of the fire extinguisher is avoided effectively.

The invention relates to the technical field of oxygen supply, in particular to an oxygen supply device, an oxygen output control method and an oxygen generator. According to the oxygen supply device, the oxygen output control method and the oxygen generator provided by the embodiment of the invention, the detected pipeline air pressure in the gas pipeline is calculated mainly through a sliding average value filtering method to obtain a more accurate parameter value, namely the preset air pressure, which can be used for judging whether a user inhales or not, the gas pipeline is a pipeline through which the oxygen supply device supplies oxygen to the user, so that whether the user inhales or not is judged more accurately, oxygen is supplied to the user when it is judged that the user inhales, the phenomenon of missing spraying and the phenomenon of mistaken spraying are avoided, the oxygen utilization rate is increased, and the user experience is improved. And the oxygen uptake experience of the user is improved.

The invention relates to a diaphragm type deluge valve capable of preventing mistaken spraying which comprises a hydraulic control main valve composed of a valve body, a valve shaft diaphragm, a valve clack and a valve seat, and further comprises a threaded check valve and a matched pipeline which are communicated with a control cavity and an inlet cavity of the hydraulic control main valve respectively, a threaded electric ball valve, wherein one end of the threaded electric ball valve is communicated with a control cavity of the hydraulic control main valve, the other end of the threaded electric ball valve is emptied, and the threaded electric ball valve is connected with a central controller. Compared with the prior art, the deluge valve has the advantages of being simple in structure, low in cost, high in reliability, capable of preventing mistaken spraying, capable of preventing reset and the like.