30results about How to "Volume effect" patented technology

The invention provides a building outer wall, an auxiliary tool and a mounting and dismounting method, and belongs to the field of building outer wall structures. The problems that an existing outer wall panel is unstable in structure, the auxiliary tool is large in size and not universal, and the mounting and dismounting mode is low in efficiency are solved. The building outer wall comprises a panel and a connecting framework, wherein a connecting device is fixed to the inner side face of the panel and comprises four connecting strips with the inner ends connected; the connecting strips are fixed to the inner side face of the panel; the connecting positions of the inner ends of the four connecting strips are positioned at the center position of the inner side face of the panel; the four outer ends of the four connecting strips are close to the four corner positions of the panel correspondingly; a circular groove-shaped adjusting groove is formed in the connecting position of the innerends of the four connecting strips; a circular adjusting block is movably arranged in the adjusting groove; the connecting framework comprises a plurality of connecting bases and a plurality of connecting frames; and the panel is fixed to the connecting framework through the connecting device. The panel of the building outer wall is higher in stability, the mounted panel is safe in structure, themounting and dismounting process is efficient through the auxiliary tool, and meanwhile, the universality and portability of the auxiliary tool are better.

The invention discloses a wireless communication device, comprising a printed circuit board, an audio element, an audio circuit and a parasitic capacitance reducing structure, wherein the printed circuit board is provided with a plurality of conductive layers and a plurality of insulating layers arranged among the plurality of conductive layers respectively; the audio element and the audio circuit are arranged on the printed circuit board, and the audio element is arranged on the top conductive layer and provided with an electrical pin directly connected with the audio circuit; and the parasitic capacitance reducing structure is arranged on the printed circuit board to reduce the parasitic capacitance between the audio element and the conductive layer of the printed circuit board. By adopting the parasitic capacitance reducing structure, the working band of the audio element is improved so that the audio element works beyond the working frequency required by an antenna of the wireless communication device, and the problem that the audio element interferes with the antenna is solved.

The invention discloses a beveling machine, which comprises a bracket, wherein a base is mounted on the bracket, a sliding frame is mounted on the base and can slide back and forth along the base; a connecting base is mounted on the sliding frame; a cutter and a support are mounted on the connecting base; a retractable mechanism is mounted on the support; a contour wheel is mounted on the linear moving component of the retractable mechanism, and is located in parallel to the cutter to control the cutting depth of the cutter. The beveling machine is equipped with a sliding frame which can move back and forth and a spring; the sliding frame can adjust position anytime the shape of the pot body changes, so as to adjust the position of the cutter, and guarantee the accuracy of the cutting of the bevel; the structure determines the manner of cutting the bevel of the pot body is that the pot body rotates and the beveling machine stays still; the manner of cutting the bevel of the pot body facilitates machining and process for the bevel of a large pot body; moreover, the size of the beveling machine is not influenced by the size of the pot body; the beveling machine has the advantages of compact structure and small size.

Embodiments of the present invention provide an electronic device and a volume adjustment method thereof. The electronic equipment includes a casing, a ceramic speaker, a capacitance detection component, a processor and a driver; the ceramic speaker is arranged in the casing and has an exciter connected to the casing; the capacitance detection assembly includes a first connected between the exciter and the casing. A capacitor, a second capacitor connected to the side of the exciter away from the casing, a detection chip electrically connected to the first capacitor and the second capacitor respectively, the first capacitor and the second capacitor form a variable capacitor unit, the processor controls the driver to adjust the output volume of the ceramic speaker according to the real-time capacitance value. The capacitance detection component can detect the change of the real-time capacitance value of the variable capacitance unit; the processor controls the driver to adjust the output volume of the ceramic speaker according to the real-time capacitance value, so that the volume of the ceramic speaker is not affected by the hand holding or pressing, which solves the problem of electronic equipment. Included is an issue where the volume drops when the case is held by a human hand.

The embodiment of the invention provides a protection method, a device and electronic equipment. On one hand, the device is arranged in the electronic equipment. The device comprises a gravity sensor, an electric control switch, a control chip and an elastic protection structure, wherein the electric control switch comprises a telescopic component, the control chip is connected with the gravity sensor and the electric control switch respectively, and the elastic protection structure is connected with the telescopic component of the electric control switch and is arranged at an appointed position in the electronic equipment. According to the device disclosed by the embodiment of the invention, the telescopic component can buffer the electronic equipment when extending out, so that a protection effect on the electronic equipment is achieved when the electronic equipment is impacted. As the device is arranged in the electronic equipment, the volume of the electronic equipment is not affected, and the electronic equipment is convenient to carry.

The invention discloses a purple pottery ice water pot. The pot comprises a pot body and a pot spout. An ice cavity and a water storage cavity are formed in the pot body. The ice cavity is formed in the water storage cavity, and is not communicated with the water storage cavity. A pot opening and a water inlet are formed in the top of the pot body and are communicated with the ice cavity and the water storage cavity respectively. The pot spout is formed in the pot body, and a water outlet passage in the pot spout is communicated with the water storage cavity. The pot spout includes an extending portion and a bending portion. The extending portion extends upwards along the side wall of the pot body from the bottom of the side wall of the pot body. The bending portion is arranged above threefifths of the height of the pot body and bends upwards in the direction away from the pot body. A diversion trench is formed in the side, away from the pot body, in the water outlet passage of the pot spout. The purple pottery ice water pot is compact in structure, small in occupied space and convenient to carry and can provide drinking water with good mouthfeel.

The embodiment of the present invention discloses a control method, including: controlling the rotating camera of the mobile terminal to rotate during the process of using the speaker of the mobile terminal to answer; during the process of rotating the rotating camera, controlling the Rotate the shooting screen of the camera to detect people; in the case of detecting at least one person, determine the distance between the at least one person and the mobile terminal; according to the distance between the at least one person and the mobile terminal Adjust the volume of said speaker. The embodiment of the invention also discloses a mobile terminal. By adopting the embodiment of the present invention, when the user activates the speaker to answer, the distance between the person in the picture taken by the rotating camera and the mobile terminal can be determined by rotating the camera, and the volume of the speaker can be adjusted according to the distance, thereby greatly avoiding the speaker Loud volume disturbs others.

The invention discloses a near field communication antenna, an electronic device and a circuit switching method. The near field communication antenna comprises an antenna body and a plug, wherein the antenna body is arranged at one end of the plug, a signal path is arranged between the antenna body and the plug, the shape of the plug is matched with a headset jack of the electronic device of the near field communication circuit, and the near field communication circuit is connected with the near field communication circuit through the signal path after the plug is plugged into the headset jack. With the adoption of the near field communication antenna, the electronic device or the circuit switching method, disclosed by the invention, the near field communication (NFC) antenna is detachably arranged on the electronic device, and the NFC antenna still can normally sends and receives a signal when a shell of the electronic device is made of an all-metal material.

The effector of the 3D printing equipment provided by the present invention comprises the effector support (11), the heating element fixing base (12), the fan (13), the wind cover (17) and the wind guiding device; the effector support (11) is used for The control arm (14) of the 3D printing device is connected with the heating element fixing base (12); the heating element fixing base (12) is arranged on the nozzle (15) of the 3D printing equipment to fix the heating element (16) of the 3D printing equipment; The air guide device is arranged on the discharge end (151) of the shower head (15), and has an air guide portion towards the discharge end (151); the bottom end of the wind cover (17) is connected with the effector support (11), and the fan ( 13) Link to the top of the windshield (17); the inner cavity of the windshield (17) communicates with the air outlet and the wind guide part of the fan (13). The above-mentioned solution can solve the problems that the partial cooling of the model is not timely due to the inconcentrated cooling air flow, and the effective printing range of the 3D printing equipment is small. The invention also provides a 3D printing device.

The present invention provides an N-doped porous silicon-based composite material, a preparation method and application thereof, wherein the N source in the porous silicon-based composite material is an organosiloxane monomer containing one or more branched amino-hydrocarbon groups , that is derived from the amino hydrocarbon branch chain in the organosiloxane monomer, the doping of the N element significantly improves the conductivity of the porous silicon-based composite material. In the preparation process of the porous silicon-based composite material, a reducing agent is optionally added, and the addition of the reducing agent promotes the reduction of the silicon oxide formed by the organosiloxane monomer as a precursor, so that the generated Si crystals are reduced. The grains are embedded in a matrix of unreduced silicon oxide, which buffers the volume effect of the Si grains during charge and discharge. The porous silicon-based composite material is etched by HF during the preparation process, and a large number of voids are formed inside the composite material to form a porous silicon-based composite material, which also plays the role of buffer volume effect.

A flexible light shielding cover unfolding state detecting system comprises a transmitter and a receiver, wherein the transmitter and the receiver are installed at both ends of a supporting rod of a flexible light shielding cover; and the transmitter is used for emitting light waves with the wavelength of 850 nm to 950 nm, and the receiver judges whether the flexible light shielding cover is unfolded according to the light waves emitted by the transmitter. The flexible light shielding cover unfolding state detecting system effectively solves the problem of detecting the spatial unfolding stateof the flexible light shielding cover, and is low in cost and easy to implement.

The invention discloses a wearable device, which includes a device main body and a connecting belt, the connecting belt is connected to the device main body, the device main body includes a first battery, a first power-connecting part and an electrical device, and the first The battery is electrically connected to the electrical device, the connection belt is provided with a second battery, the first electrical connection part is electrically connected to the second battery, and the second battery is connected to the second battery through the first electrical connection part. The electric device is electrically connected. The above solution can solve the problem of poor battery life in current wearable devices.