43results about How to "Applicable environment" patented technology

The invention provides a water extinguishing agent suitable for being used at -10-55 DEG C. The water extinguishing agent comprises, by weight, 5-10% of a fire retardant, 10-15% of an antifreeze agent, 0.9-1.5% of a surfactant and the balance water. The invention further provides a preparation method of the water extinguishing agent. According to the method, water is heated to 30-50 DEG C, the antifreeze agent, the fire retardant and the surfactant are added in sequence, the solution temperature is maintained at 30-50 DEG C, all raw materials are stirred to be completely dissolved, the solution is cooled to the room temperature, and the water extinguishing agent is obtained. Components of the extinguishing agent are evenly mixed, the extinguishing effect of the extinguishing agent is not influenced by long-time storage, extinguishing agent is wide in application range, good in extinguishing effect, free of toxicity and irritation and quite high in fire resistance and reburning resistance, 6L of water extinguishing agent can extinguish fire of 2A or 89 B level, the extinguishing speed is high, fire can be extinguished just in 20-40 seconds, the water extinguishing agent can be biodegraded completely after being sprayed, and the biodegradation is environmentally friendly and easy to clean after extinguishing.

The invention discloses a solar-energy automatic telescopic guardrail which comprises a machine box, an upright column, a telescopic rod, a folding guardrail, a solar panel, a magnet regulator, an air cylinder and an integrated circuit plate, wherein the lower part of the upright column is mounted above the machine box by a fixing bolt, the solar panel is mounted above the upright column and is connected with a storage battery by a guide line, the air cylinder is arranged in the upright column and is connected with the integrated circuit plate by a guide line, the folding guardrail is mounted on the upright column, the telescopic rod is fixed at the outermost end of the folding guardrail and is connected with the air cylinder, the storage battery is arranged in the machine box, a control switch is mounted on the side surface of the machine box, the magnet regulator is arranged on the side surface of the machine box and is connected with a magnet block, and the integrated circuit plate is mounted in the machine box and is connected with an emergency braking switch and the control switch. According to the solar-energy automatic telescopic guardrail disclosed by the invention, solar energy is converted into electric energy, so that a series of actions of the telescopic guardrail can be completed.

The embodiment of the invention provides a pavement flatness detection device, and belongs to the technical field of road detection, the pavement flatness detection device comprises a vehicle body, the vehicle body comprises a bottom plate and wheels, and the bottom end of the bottom plate is provided with a first T-shaped groove and a second T-shaped groove; the power storage part comprises a solar cell panel, a supporting rod and a storage battery; the control piece comprises a touch display screen and a controller; the cleaning part comprises a motor and a floor sweeping brush; the detection mechanism is mounted at the bottom of the bottom plate, and the detection mechanism is used for detecting the pavement flatness; and the feedback mechanism is arranged at the top of the bottom plate, and the feedback mechanism is used for feeding back the detection mechanism. The road surface flatness detection device has the functions of power storage and sweeping, continuous power supply is achieved, the device is suitable for more environments, detection personnel do not need to be troubled by the electric quantity problem, pebbles and sundries on the road surface in the advancing direction of equipment can be cleared away in time, and the detection error of the equipment is reduced as much as possible.

The invention relates to a folding chair, belonging to a mechanical device realizing complete folding of a chair through a mechanical structure. According to the multi-function folding chair, a rectangular block with a through groove is arranged on the lower surface of a seat board, two pieces of U-shaped steel are placed into the through groove, the two side faces of each piece of U-shaped steel are connected into an X shape, the X-shaped device is rotated to drive the two pieces of U-shaped steel to the plane close to the seat board, and then chair legs can be completely folded into the plane close to the seat board. Telescopic hollow rods are connected to the middles of two sides of a backrest by hinges, and the other ends of the hollow rods are connected with rods capable of rotating around the front end of the seat board by hinges. One end of one rod of a two-link mechanism is taken as support at the hinging position for stabilizing the mechanism, and the other rod of the two-link mechanism is fixed in a sliding long hole above the two sides of the seat board. A control device is used for controlling the angle incline and folding of the backrest. The multi-function folding chair is simple in design mechanism, after complete folding, the multi-function folding chair is small in size and convenient to carry, in addition, the multi-function folding chair is suitable for various places, and low in price, and with the adoption of the control device, the flexibility in regulation and folding is good.

The invention provides a talkback terminal based on Beidou navigation positioning and a Beidou navigation positioning system. The Beidou navigation positioning system comprises a shell, an intercom circuit, a camera and a voice alarm unit, wherein the intercom circuit is arranged in the shell; an external interface comprises a video stream interface, an audio stream interface, a LAN (Local Area Network) interface and a USB (Universal Serial Bus) interface; the camera is arranged on the shell, and connected with the intercom circuit; the voice alarm unit is positioned in the shell and connectedwith a Beidou receiving module; and the Beidou receiving module is embedded with a control chip.

A washing machine comprises a first washing drum with a first heater and a second washing drum with a second heater. Before the first washing drum performs a heating procedure, it is necessary to determine whether the second washing drum is performing the heating procedure; if not, the first washing drum performs the heating procedure; if yes, it is necessary to determine whether the remaining heating time of the second washing drum is less than a set value, T min; if yes, the first washing drum pauses the heating procedure; when the second washing drum finishes performing the heating procedure, the first washing drum then performs the heating procedure; if not, remaining heating time of the first washing drum and that of the second washing drum are determined, whichever drum having the shorter remaining heating time performs the heating procedure first, while the other drum performs the heating procedure second.

The invention relates to the technical field of automobile rear door electric control simulation detection, in particular to an electric control simulation system for an automobile rear door. The system comprises a mounting module, a rear door module, a control module and a test module. According to the electric control simulation system used for the automobile rear door, lateral storage frames used for installing a rear door plate with the adjustable angle position are fixed to the two sides of an installation stand column, simulated vehicle doors can be formed on the two sides of the systemaccording to needs, the simulation degree of the whole system is greatly improved, and the demonstration teaching and practical training effects of the system are greatly improved in an entity operation and feedback mode; the application environment is more diverse, and the adjustment operation is simple and convenient; a rear vehicle door ECU and a CAN analyzer are installed on the inner bottom face of an overhead overturning storage groove, a rear vehicle door serial port display screen and a rear vehicle door test port terminal are fixed to the overturning type installation panel, later debugging is greatly facilitated, the circuit connection state and the running state are visually displayed, and meanwhile the operation mode and the display effect are better.

The invention provides a simple type cleaning machine. The simple type cleaning machine comprises a shell, a moving part and a transmission structure, wherein the shell is provided with a washing cavity with an opening; the moving part is rotatably arranged in the washing cavity and is provided with a brush; the transmission structure is connected with the moving part; and the transmission structure is used for driving the moving part to rotate. The simple type cleaning machine has the advantages of simple structure and rich applicable environments.

The invention discloses an atrial fibrillation demonstration model in the technical field of heartbeat models, which comprises a ventricular cavity cover, a closed cavity with a ventricular shape outside, a plurality of ventricular elastic strips uniformly and fixedly connected to the inner wall, a ventricular limiting shaft fixed inside, a ventricular contraction and expansion wheel rotatably mounted on the ventricular limiting shaft, and a ventricular contraction and expansion wheel rotatably mounted on the ventricular contraction and expansion wheel. The other ends of the ventricular elastic strips are fixedly connected with the ventricular contraction and expansion wheel, the rhythm of the heartbeat can be simulated, contraction and expansion of the ventricle and the atrium of the heartbeat can be displayed, and the device is specially used for displaying the rhythm of the atrial fibrillation, is used for simulating the heartbeat of different rhythms, and can perform visual simulation display on the atrial fibrillation. The heartbeat rhythm during arrhythmia can be displayed through various different atrial and ventricular beating rhythms, meanwhile, beating simulation can be conducted according to different atrial and ventricular proportions, manufacturing is easier, displaying is more visual, and carrying is more convenient.

The preparation method of the chromium tungstate gas-sensing material used for the acetone gas sensor of the present invention involves a tungsten compound, adopts a hydrothermal method, and the steps are: drop sodium tungstate solution into a soluble chromium salt solution to generate chromium tungstate suspension Liquid, hydrothermal treatment, high-speed centrifugation, drying to produce dry chromium tungstate powder containing crystal water, which is sintered in a muffle furnace at high temperature to obtain a chromium tungstate gas-sensing material for acetone gas sensor with good dispersion. The method of the invention not only overcomes the defects of the existing acetone gas sensor, such as low sensitivity, poor stability consistency and being easily disturbed by the external environment, but also overcomes the large energy consumption and the preparation method of the existing tungstate material. The defect of long period.

An optical path control member according to an embodiment includes: a first substrate; a first electrode disposed on the first substrate; the second substrate is arranged on the first substrate; a second electrode disposed under the second substrate; a light conversion unit disposed between the first electrode and the second electrode; and a power supply unit connected to the first electrode and the second electrode, in which the light conversion unit includes partition wall units and accommodating units alternately arranged, a light transmittance of the accommodating units is changed in response to an application of a voltage, the accommodating units include a dispersion liquid and a plurality of light absorbing particles dispersed in the dispersion liquid, a height of the accommodating units is 15 [mu] m to 25 [mu] m, and the light absorbing particles are dispersed in the dispersion liquid. The width of the accommodating unit is 1.5 [mu] m to 2.5 [mu] m, and the power supply unit includes a power supply connection unit for connecting an external power supply and the light conversion unit, and a power supply switching unit for turning on / off the transmission of a voltage.

The invention discloses a response method of a capacitance inductive touch button and a control system. The method comprises the following steps of: firstly, grouping the buttons with water and without water according to capacitances in the initial electrifying stage; and judging and responding movement according to threshold parameters of different groups and real-time capacitances of buttons. According to the invention, the influence of various external factors on the capacitances of the buttons are taken into consideration by grouping the buttons with water and without water, i.e., the capacitances are sampled during electrifying as a judging reference and associated parameters are updated at any time, so that mis-judgment caused by living beings such as insects climbing, or water drops and dampness and the like can be effectively prevented. The method is suitable for various conditions, the real-time initial capacitances of the buttons are affected by external environment, and artificial touch is represented that artificial touch capacitance influence value is superposed based on the real-time initial capacitances of the buttons. The initial capacitances are recorded by hardware, and the touch movement can be well judged when the buttons are triggered.

The invention provides a cold-resistant water based fire extinguishing agent suitable for the temperature from minus 40 DEG C to55 DEG C. The cold-resistant water based fire extinguishing agent comprises, by weight percentage, 15-25% of a flame retardant, 25-35% of antifreeze, 2-2.5% of a surfactant and the balance water. The invention further provides a preparation method of the fire extinguishing agent. The preparation method comprises the steps that water is heated to 30-50 DEG C, the antifreeze, the flame retardant and the surfactant are added in sequence, the solution temperature is kept in the range of 30-50 DEG C, all the raw materials are mixed until completely dissolved, the raw materials are cooled to the room temperature, and the cold-resistant water based fire extinguishing agent is obtained. The components of the fire extinguishing agent are uniformly mixed, and the fire extinguishing effect is not influenced after the long-time storage; and the fire extinguishing agent can be directly used without being mixed with water, the applicable temperature can reach minus 40 DEG C and can be as high as 55 DEG C, the applicable temperature range is wide, the fire extinguishing effect is good, and the range of the variety is wide; the fire extinguishing agent is free of toxin and stimulation and has the great flame resistance and reflashing resistance, and 6L of the fire extinguishing agent can reach the fire extinguishing levels of 2A and 89 B; the fire extinguishing speed is high, only 20-40 seconds are needed, the 100% biodegradation can be achieved after spraying, and the cold-resistant water based fire extinguishing agent is an environmental-friendly fire extinguishing agent and is easy to clean after fire extinguishing.

The invention relates to a fire prevention flue, in particular to a honeycomb type fire prevention flue with an automatic alarming function. The honeycomb type fire prevention flue is suitable for the situation that combustibles easily remain in the flue, a bypass flue cannot be arranged reasonably, and a certain requirements for environment protection exist. The honeycomb type fire prevention flue with the automatic alarming function is composed of the following structures that a flue central closed pipe is involved; six honeycomb type flue bodies are arranged outside the flue central closed pipe; electric valves are arranged at the two ends of each honeycomb type flue body; an electric appliance control box is arranged on the outer wall of each honeycomb type flue body; a temperature sensing prober is arranged on the inner wall of each honeycomb type flue body; and the electric appliance control boxes are connected with the temperature sensing probers through cables arranged on cable bridge frames. Equipment is simple, mounting is convenient, fixing is flexible, checking is easy, and the applicable environments are more.