132results about How to "Serve as an indicator" patented technology

The invention discloses a vacuum cleaner. A display which displays working state of a dust collecting cavity is arranged between the lower side of a top shell of the vacuum cleaner and the dust collecting cavity of a dust collecting unit, and consists of a shell, an indicating body which is positioned inside the shell, and a valve plate of which one end is fixed outside the lower part of the shell; the shell corresponding to the valve plate is provided with a through hole; communication of the inside of the display and the dust collecting cavity can be controlled through opening and closing of the valve plate; a lateral surface of the shell far from the first through hole is provided with a second through hole; the second through hole is communicated with atmosphere outside the cleaner through an intercommunicating pore; the top part of the shell of the display is provided with a transparent display window; and the top shell corresponding to the display window is provided with a display window opening. The vacuum cleaner adopts a valve plate type blade spring structure, has simple process, reduces friction between the indicating body and the shell, and has non friction between the valve plate and the shell.

The invention provides a lighting module of barcode recognition equipment. The lighting module comprises a lighting source, a condensing lens, a camera shooting module, a fixed support and a bottom plate; the fixed support is used for fixing the lighting source, the condensing lens and the camera shooting module on the bottom plate; the condensing lens comprises two structural assembly blocks and an effective mirror plane, the two structural assembly blocks are arranged side by side at a certain interval, and the effective mirror plane is erected at the tops of the two structural assembly blocks, so that the structural assembly blocks and the effective mirror plane form a containing space; and the lighting source is arranged in the containing space, and light rays of the lighting source penetrate through the condensing lens to supplement light for the image recognition zone of the camera shooting module. The condensing lens, the lighting source and the camera shooting module are combined to form a whole body by the fixed support, so that the lighting source, the condensing lens and the camera shooting module can be firmly fixed, thus being uneasy to cause dislocation and displacement, being convenient to install and fix, saving installing and operating time, and greatly improving working efficiency.

The invention provides an electromagnetic short circuit protection breaker, including: a breaker body, which includes a housing; a handle for realizing on-off operation is arranged outside the housing; a linkage mechanism is connected onto an end of the handle, separation and contact of the movable and static contact of the movable and static contact slices are realized by using the linkage mechanism; also including: a short circuit detection unit for short circuit fault detection, and generating a trigger signal at time of short circuit generation; an electromagnetic action mechanism for receiving the trigger signal, and separating the movable and static contacts by pushing the linkage mechanism with the electromagnetic action.

The invention provides storm-preventing type aquaculture equipment and belongs to the field of cultivation. The storm-preventing type aquaculture equipment comprises a cylindrical net box, the lower end of the net box is located above the horizontal plane, the upper end of the net box extends out of the horizontal plane, the outer wall of the upper end of the net box is fixedly connected with an annular air bag, the air bag comprises an inflation portion and a sealed portion fixedly connected with the inflation portion, the sealed portion is not communicated with the inflation portion, and the sealed portion is fixedly connected to the outer wall of the upper end of the net box; an end cover is arranged at an end port of the upper end of the net box, the end cover is matched with the end port in the upper end of the net box in size, the end cover is provided with a water hole, and one end of the end cover is hinged to the net box; the inflation portion is provided with an air hole, the air hole is fixedly connected with an air pipe, the two ends of the air pipe are communicated, the lower end of the air pipe is communicated with the inflation portion, a ball valve is arranged at the upper end of the air pipe, and the middle of the end cover is fixedly connected with an indicating rod. When the end cover is closed, the indicating rod is vertically upwards arranged. The storm-preventing type aquaculture equipment can prevent the net box from being turned over in the side direction and is delicate in structural design.

The invention discloses a light guidance fire hazard evacuation system and a light guidance fire hazard evacuation control method. The light guidance fire hazard evacuation system comprises a plurality of fire hazard sensing units, a fire hazard control host and a plurality of evacuation indication units and also comprises a plurality of cameras, wherein the fire hazard sensing units, the evacuation indication units and the cameras are independently wirelessly communicated with the fire hazard control host; the fire hazard control host receives and stores data sent from the fire hazard sensingunits or the cameras, judges whether a fire hazard happens or not and determines the position of a fire hazard site; and a Flyod algorithm is adopted to calculate an optimal path from a fire hazard area to each emergency exit, and the evacuation indication units are controlled for indication. By use of the Flyod algorithm, the optimal evacuation path is calculated, people can be evacuated from different emergency exits, so that evacuation time can be effectively shortened, and congestion accidents are avoided. A laser light and a bidirectional LED (Light Emitting Diode) indication light source are adopted to jointly serve as an evacuation indication sign, an indication effect is improved, so that people can quickly evacuate when smoke is thick, and therefore, evacuation efficiency when the fire hazard happens can be greatly improved.

The invention relates to the technical field of road anti-fog, in particular to a fog lamp and a method for improving driving safety in foggy areas. The fog lamp used in the method at least includes a lamp body (100) having a light-emitting surface (110) and a reflective surface (120). ) towards the front of the vehicle, and the reflective surface (120) towards the rear of the vehicle. By setting the fog lamps through the method of the invention, the blind area is small and the anti-fog effect is good.

The invention discloses an intelligent induction type exercise training indication ring which comprises an outer shell, wherein the outer shell is a circular ring, a sensing receiver and a sensing emitter which are outwards arranged in the normal direction of the circular ring are arranged on the lateral side of the circular ring, an indicator light, a counterpoint light and a PCB are arranged ina cavity of the circular ring, and the PCB is electrically connected with the sensing receiver, the sensing emitter, the indicator light and the counterpoint light; an intelligent control chip is arranged on the PCB, and varieties of indication procedures are arranged in the intelligent control chip; a control switch is arranged on the circular ring, and the control switch comprises a power switchand a procedure selector switch corresponding to varieties of the indication procedures; a battery jar is arranged on the circular ring, and the battery jar is electrically connected with a power supply terminal of the PCB. The intelligent induction type exercise training indication ring disclosed by the invention can automatically provide paths and target indication in an exercise training process, so that an exercising training effect is improved.

The invention discloses a landscape anti-collision guardrail for a bridge, which comprises a base, the top of the base is fixedly connected with an inner anti-collision cylinder, the center of the top of the base is fixedly connected with a support rod, and the top of the support rod penetrates the inner anti-collision cylinder and extends to The exterior is fixedly connected with a decorative head, the midpoints on both sides of the support rod are fixedly connected with a fixed cylinder, and both sides of the inner anti-collision cylinder are provided with outer anti-collision plates. The present invention solves common anti-collision barriers by setting inner anti-collision tube, outer anti-collision plate, hard rubber column, trapezoidal block, first buffer spring, second buffer spring, third buffer spring, fixing plate and connecting plate The problem of poor protection performance, through multi-layer buffer and anti-collision measures, even in the face of a large impact force, it will not break and cause danger, save a lot of building materials, reduce construction costs, basically there is no safety hazard, and the shape It is beautiful and will not affect its normal use at all.

The invention provides peroxide-sterilization water-based organic ink as well as a preparation method and application thereof. The peroxide-sterilization water-based organic ink is prepared from the following raw materials: 10wt%-45wt% of a binder; 0.1 wt%-2wt% of an organic dye; 1 wt%-20 wt% of an alkaline control agent; 50 wt%-75 wt% of an water-based system solvent; wherein the water-based system solvent consists of water and an organic solvent; the organic solvent is selected from one or more of methanol, ethanol, n-propyl alcohol, isopropanol and n-butyl alcohol. Compared with the prior art, the peroxide-sterilization water-based organic ink provided by the invention adopts the water-based system solvent; by matching with other specific content components, good interaction is realized, the color of the product changes after peroxide sterilization, so that an indication effect is achieved, and the ink has the advantages of low VOCs emission, no heavy metal and avoidance of heavy metal pollution, and can be widely applied to printing of products such as indication cards, indication labels (adhesive tapes), paper-plastic bags and the like.

The invention discloses a beauty device. The beauty device comprises an ultrasonic vibrator, a vibration piece, a pressure sensor and a controller. The vibration piece is driven by the ultrasonic vibrator to vibrate, and transmits vibration to skin; the pressure sensor is used for detecting outside pressure; the controller is electrically connected with the pressure sensor and the ultrasonic vibrator, and used for controlling the output power of the ultrasonic vibrator according to the pressure value detected by the pressure sensor.

The invention discloses a grating anti-fake method for improving identification grating extraction performance. The method comprises the following steps of S1, selecting a host image, specifically, decomposing the host image, thereby enabling the host image to be composed of four color channels of a channel C, a channel M, a channel Y and a channel K; setting a hiding area of anti-fake informationon at least one color channel of the host image, and recording the color channel on which the hiding area is located as a master mask, wherein color values of all pixels in the hiding area on the master mask are alpha, and the alpha is 0.1-0.5; recording the rest color channels as three secondary masks, and reselecting the host image when the hiding area of which alpha is 0.1-0.5 cannot be selected; S2, halftoning the host image; and S3 hiding the anti-fake information. According to the method, the stealthiness and extraction effect of the anti-fake information are improved.

The invention provides a tooth preparation undercut detection device. The tooth preparation undercut detection device comprises a horizontal guide rod, a left arm, a right arm, a slider, a positioningblock, a measuring pin and a positioning pin. One end of the left arm is movably connected with the slider through a connector, the other end of the left arm is connected with an end of the right arm, the other end of the right arm is connected with the positioning block, the positioning block is fixed to one end of the horizontal guide rod, the other end of the horizontal guide rod is movably passed through the slider, the lateral side of the slider is provided with a limiting block, the limiting block is provided with a through hole, the measuring pin is passed through the through hole, anda top plate of the slider is provided with an elastic limiting rod and a rigid limiting rod. The tooth preparation undercut detection device has the advantages that taking a mold to duplicate a modelis not required, time is saved, whether a preparation has an undercut can be quickly detected, and the device is suitable for any tooth site and can be extended to any position with operational spacelimited, such as a posterior tooth; ink marking on the measuring pin enables the position of the undercut in a tooth to be detected and marked, and indicating can be achieved during continual tooth preparation.