111results about How to "Effectively block" patented technology

The invention belongs to the technical field of power batteries, and especially relates to a power battery top cover and a power battery using the top cover. The power battery top cover comprises a top cover sheet, and a firs pole pillar, a second pole pillar, a pressure release valve, a liquid injection hole, pneumatic overturning sheets and a resistor block, the first pole pillar is in insulation connection with the top cover sheet, the second pole pillar is electrically connected with the top cover sheet through the resistor block, the pneumatic overturning sheets are electrically connected with the top cover sheet, the conductive block is arranged above the pneumatic overturning sheets, a baffle plate is arranged under the pressure release valve, the pneumatic overturning sheets comprise a first pneumatic overturning sheet and a second pneumatic overturning sheet, and the thickness of the first pneumatic overturning sheet is smaller than the thickness of the second pneumatic overturning sheet; and when the pressure in the power battery increases, the pneumatic overturning sheet and the second pneumatic overturning sheet sequentially move upward in order to electrically connect the first pole pillar with the second pole pillar. Compared with power battery top covers in the prior art, the power battery top cover disclosed in the invention makes the power battery have an excellent safety protection function in overcharging, nailing, short circuit and hot box test.

Disclosed are novel imidazolylalkylcarbonyl derivatives useful as calcium channel modulators and a preparation method of the same. Also disclosed is a method for the treatment of diseases by administering the above compounds based on their inhibitory activity against calcium channel.

The invention discloses a composite long-acting formaldehyde remover, comprising the following components by weight percent: 5-10% of 6-O-carboxymethyl chitosan and 5-10% of urea, the balance of water, and the sum of the components is 100%. Deacetylated degree of the 6-O-carboxymethyl chitosan is more than 90%, substitution degree is 60-70%, and weight-average molecular weight is 20000-500000. The components are weighed by the formula, the 6-O-carboxymethyl chitosan and urea are respectively added with water to be dissolved, and then the two solutions are mixed and compounded by the volume ratio of 1:1, thus obtaining the remover. The composite long-acting formaldehyde remover is convenient to use, the remover is coated on the surface of objects capable of releasing formaldehyde such as wall, furniture and textile, formaldehyde released by furniture, floor board and wall paper in house decoration can be effectively removed, no dead angle is kept, the remover is long-term effective, and no secondary pollution is produced, thus ensuring that human settlement is not puzzled or threatened by formaldehyde any longer.

The invention provides a circuit board automatic loading device. The circuit board automatic loading device includes a conveying machine, an unloading device and a storage device; the unloading device includes an unloading box and a first lifting motor arranged under the unloading box; the top of the unloading box is opened; an output opening for allowing a single circuit board to pass through is formed in the bottom of the unloading box; a pushing device for pushing the circuit board out of the output opening is arranged on the bottom of the unloading box; the storage device includes a storage box and a second lifting motor; a drive rod of the second lifting motor is fixedly connected to an operation table; a groove is formed in the operation table; the storage box is arranged in the groove; partition plates for holding the circuit boards are horizontally arranged in the storage box; and the partition plates are in butt joint with the output opening. The beneficial effects of the invention are that the uniformity and the stability of circuit board automatic loading is good.

Provided is a tape base material for assembling a display device, which has a superior light blocking effect and light reflectivity. In the tape base material (A) for assembling display device, a base material film (1) is provided, light blocking layers (2, 2) are integrally laminated on both sides of the film, and a light reflection layer (3) is integrally laminated on one of the light blocking layers (2). The light blocking layers (2, 2) are separately formed with the base material film (1) therebetween. Therefore, when pinholes are formed on each light blocking layer (2), since the pinholes have extremely small diameters, there is very little possibility that the pinholes formed on the respective light blocking layers (2) overlap each other, and thus, the light can be reliably blocked by the two light blocking layers (2, 2).

The invention discloses a method and a device for preventing a UDP Flood attack. The method and the device for preventing the UDP Flood attack are applied to a cleaning device; and the method comprises the steps of receiving a UDP message sent by a terminal; judging whether the information of the terminal is recorded in a trust list or a restriction list; if not, sending a detection message to the terminal based on a TCP or an ICMP; judging whether a response message sent by the terminal is received; if so, forwarding a UDP message to a server; and otherwise, carrying out speed-limiting processing for the UDP message. As the trust list and the restriction list are stored in the cleaning device in the embodiment, the cleaning device sends the detection message to the terminal based on the TCP or the ICMP if the terminal is not recorded in any one of the trust list and the restriction list, thereby determining whether to record the terminal in the lists and carrying out corresponding processing for the UDP message. Therefore, the purpose of effective prevention can be realized when the terminal is large in scale.

The invention discloses a feeding device for prestress steel strands. The feeding device is characterized in that a flipping feeding bracket is supported on a frame in the hinge manner, one end of each connecting rod is connected with the side of the flipping feeding bracket, and the other end of each connecting rod is hinged with a piston rod of a flipping cylinder which is fixed on the frame; one end of each of a plurality of guide rails is fixed on the frame under the flipping feeding bracket, and the other ends of the guide rail are fixed on the upper portions of feeding brackets; the feeding brackets are parallelly arranged on one side of the frame and used for rollably supporting the steel strand. The feeding device has the advantages that the flipping feeding bracket is arranged on the feeding brackets, allowing the steel strand to be conveyed to the feeding brackets through the guide rails by adopting height difference, in this way, spaced area is small, and spaced resources are saved; the guide rails and conveying rollers incline by a certain angles, accordingly directly conveying the steel strand to the feeding brackets, and stop rollers are arranged on the feeding brackets to effectively stop the steel strand fast rolling off; structure is simple, conveying speed is high, efficiency is high, and cost is low.

The invention relates to a machine-transplanted rice long-acting weed-closing and adverse-resistant green returning fertilizer granule, which comprises a compound fertilizer, an adhesive, a rooting agent, fulvic acid and a weed-closing agent. In the compound fertilizer, nitrogen, phosphorus and potassium are in a weight part ratio of 15:15:15, 15:10:10, or 19:7:14; the adhesive is pregelatinized starch, xanthan gum, sesbania gum, konjac gum, polyacrylamide, hydroxypropyl methyl cellulose, or carboxymethylcellulose; the rooting agent can be indoleacetic acid, indolebutyric acid, indole-3-butyric acid potassium, naphthylacetic acid or sodium naphthalene acetate; and the weed-closing agent can be butachlor, oxadiazon, pendimethalin, oxyfluorfen and the like. According to the invention, high polymer adhesive particles are prepared into a glue solution with clear water, compounding materials are crushed and then mixed evenly, and then the mixture is subjected to granulation molding by a double-roll extruding granulator, and the processing process is simple. The materials are prepared into dry granules that are rich in nutrients and can promote regulation, energy, and planting injury repair and the like, the granule are sprayed into rice field and become loose after water absorption. The granules provided by the invention can completely replace the fertilizers and herbicides produced by the traditional method.

The invention discloses an efficient purifying and haze-removal fresh air machine. The efficient purifying and haze-removal fresh air machine comprises a unit housing, wherein an air inlet and an air outlet are respectively formed in two opposite side walls of the unit housing; a high-voltage electrostatic dust-removal electric control box, an electric control cabinet and an access door are arranged on the other side wall of the unit housing respectively; an equipment mounting base is laid on the bottom in the unit housing; and a multi-layer metal filter, a high-voltage electrostatic dust collector, an activated carbon filter, a water-washing dust-removal system, an electric heater and a centrifugal fan are sequentially arranged on the equipment mounting base in a flowing direction, in the unit housing, of the air. According to the efficient purifying and haze-removal fresh air machine disclosed by the invention, the high-voltage electrostatic dust-removal system and the water-washing dust-removal system are combined, so that ozone caused by high-voltage electrostatic dust removal can be eliminated, the activated carbon fine particles are prevented from entering the room, the aircontaining haze can be effectively processed, and the air quality is improved.

The invention relates to a tripod which comprises supporting legs, a connecting disc, a tray, an instrument, an umbrella, a supporting column, a clamp, an umbrella handle, an inserting column and a rotary wheel. The tripod is characterized in that the connecting disc is fixedly connected to the lower portion of the hard tray, the supporting legs capable of being unfolded and folded and achieving the supporting and fixing functions are connected to the lower portion of the connecting disc in a rotary mode, the instrument used for measurement is fixed to the upper portion of the tray, the edge of the upper face of the tray is fixedly connected with the perpendicular supporting column in the upward direction, the clamp is connected to the upper portion of the supporting column in a rotary mode through a rotary shaft, two clamping openings of the clamp are respectively of the structure that the two clamping openings can clamp the umbrella handle of the umbrella in a matched mode, after the lower portion of the umbrella handle of the umbrella is fixed through the clamp, the extending portion is inserted in the hollow inserting column, the bottom of the inserting column matched with the umbrella handle in size is connected with the edge of the tray in a rotary mode through the rotary wheel, so that the umbrella handle is fixed to the inner portion of the clamp, supported by the tray and stabilized at two points, and therefore the measurement instrument is protected against damage of rainwater and sunshine. The tripod is simple in structure and easy to manufacture.

An antiviral filter for air conditioner is installed at air inlet, and is composed of a boundary frame and a laminated filter core which consists of activated carbon layer, kaolinite layer and zeolite layer. Each layer has relative nano-class material and the coated RE layer. Its advantage is high effect.

The invention discloses a photosensitive sun hat. The photosensitive sun hat comprises a hat body, a visor, a hat neck and a photosensitive driving device; the photosensitive driving device comprises a power source, a photoreceptor, a motor and a tooth ring; the tooth ring sleeves the lower end on the external side of the hat neck; the motor is fixed at the rear end of the visor; a driving gear which is meshed with the tooth ring is arranged on a driving shaft of the motor; the photoreceptor which is arranged at the front end of the visor is connected with a power source and the motor. The photosensitive sun hat has the advantages of being skillful in design, dynamically tracking incident angles of sun light according to human movement, automatically controlling the motor to adjust visor positions to enable the sun hat to be align to the sun, effectively blocking sunshine shooting at right angles timely, avoiding people from sunstroke, guaranteeing health and being convenient and comfort to use due to the fact that positions of the hat body are not needed to be adjusted manually.

The invention relates to a bottom fixing device for an air film building. The bottom fixing device is used for fixing an air film which comprises an air film fixing part and an air film body. The bottom fixing device comprises a base body, angle steel, a check curtain, a first fixing device and a second fixing device, wherein the angle steel comprises a bottom plate and a side plate, an included angle is formed between the bottom plate and the side plate, and the air film fixing part is arranged between the bottom plate and the base body in a clamped mode; the check curtain comprises a mounting body which is fixedly connected with the side plate in an attached mode, a first extension body which extends upwards and outwards from one end of the mounting body, and a second extension body which extends downwards and outwards from the other end of the mounting body; the first fixing device sequentially penetrates through the bottom plate, the air film fixing part and the base body and fixes the bottom plate, the air film fixing part and the base body in a locking mode; and the second fixing device sequentially penetrates through the mounting body and the side plate and fixes the mounting body and the side plate in a locking mode. The invention further provides the air film building comprising the bottom fixing device for the air film building.

The invention provides a cutting device for mechanical arm production. The cutting device for mechanical arm production comprises a base, side plates symmetrically arranged at the upper end of the base, a top plate arranged on one sides of the side plates, a connection column arranged at the bottom end of the top plate, a water spraying cutter arranged at the lower end of the connection column, acutting table arranged at the lower end of the water spraying cutter, a bearing plate arranged at the upper end of the cutting table, fixing plates symmetrically arranged at the upper end of the bearing plate, and elastic columns arranged on one sides of the fixing plates, wherein the side plates are symmetrically arranged at the two ends of the top plate. The cutting device for mechanical arm production provided by the invention has the advantages that the application range is wide, the cutting rate of finished products and the production efficiency of a mechanical arm are improved, and the practicality is high.

The invention relates to a synergism composition of a weed killer for a sugarcane field. Oxyfluorfen, halosulfuron-methyl and acetochlor are used as conventional weed killers which are used in a single manner, but can not effectively act and kill weeds such as cyperus rotundus. The synergism composition of the weed killer for the sugarcane field comprises an effective ingredient and auxiliary materials, wherein the effective ingredient is prepared from the following components by weight percent: 1.5-45 percent of oxyfluorfen, 1.0-20 percent of halosulfuron-methyl and 6-60 percent of acetochlor. According to the synergism composition, the oxyfluorfen, the halosulfuron-methyl and the acetochlor are prepared into a preparation according to a reasonable proportion, and the preparation has a remarkable synergism to the cyperus rotundus, and is capable of effectively killing the cyperus rotundus with the control effect of 95-100 percent. In addition, the synergism composition kills worst weeds such as oxalis corymbosa, rottboellia exaltata and echinochloa colona and other common weeds in the sugarcane field, and can achieve the weeding effect through once application in the sugarcane field and fill the blank of lack of a weed killer for effectively killing the cyperus rotundus in the sugarcane field at present.