607results about How to "Improve waterproof and dustproof performance" patented technology

A dustproof and waterproof multipurpose LED-light power source assembly comprises a heat sink, a heat-dispersal fan, a circuit board driver module, an LED light source module, a power-source casing top cover and a power-source casing bottom cover. The LED light source module comprises plural LED chips and an LED heat-dispersing substrate. The heat-dispersal fan is a dustproof and waterproof fan. The heat sink comprises a baseboard to which the LED heat-dispersing substrate is fixedly connected and conducts dispersed heat. At the center of the top of a heat-dispersal member, a space is provided to accommodate the heat-dispersal fan. The power-source casing bottom cover is positioned above the heat-dispersal fan and is fixedly connected to the heat sink. The power-source casing top cover and the power-source casing bottom cover are hermetically connected one to the other. A waterproof bolt assembly is connected to the top of the power-source casing top cover.

The invention discloses a light emitting diode (LED) assembled screen. The LED assembled screen comprises a control box, a framework and at least two LED display modules, wherein the control box at least comprises two independent paths of output interfaces; each output interface is connected with one LED display module; the at least two LED display modules are assembled and fixed on the framework; each of the LED display modules comprises a box body, a circuit board, a pouring sealant, a driving chip, an input interface and a plurality of LED chips; the driving chip and the plurality of are arranged on the circuit board; the driving chip is connected with the LED chips and the input interface respectively; the input interface is formed on the box body and connected with the corresponding output interface of the control box; the box body has a flat structure, and one face of the box body is provided with an opening; the circuit board is arranged in the box body; the pouring sealant is covered on the circuit board so as to seal the opening face of the box body; and the LED chips are arranged on one side, corresponding to the opening face of the box body, of the circuit board. Due tothe LED assembled screen, the assembling flexibility of an LED display screen is improved, and the LED assembled screen is convenient to install and maintain.

The invention relates to an unlocking device and an unlocking method for mobile terminal equipment. The unlocking device comprises a sensor module, a micro processor and a screen unlocking function module, wherein the screen unlocking function module judges whether to unlock a screen according to a holding posture of a user; and the sensor module comprises at least two sensing substrates which are arranged on at least two surfaces of the mobile terminal equipment. The device is low in false triggering probability, is convenient to use, and can greatly improve the experience of the user.

The invention discloses a plastic shell motor, which comprises a stator assembly (1), a rotor assembly (2), a control circuit board (3), bearings (4), a rotating shaft (5), a front end cover (6) and a rear end cover (7), wherein the front end cover (6) and the rear end cover (7) are assembled together to form a plurality of accommodating cavities; a bearing cavity (61) is formed at the top of the front end cover (6); a stator accommodating cavity (62) is formed below the bearing cavity (61) of the front end cover (6); a circuit board accommodating cavity (72) is formed below the stator accommodating cavity (62) and inside the rear end cover (7); a bearing cavity (71) is formed below the circuit board accommodating cavity (72) and at the bottom of the rear end cover (7); the bearings (4) are arranged inside the bearing cavities (61, 71); the stator assembly (1) is nested inside the stator accommodating cavity (62); and the control circuit board (3) is arranged inside the circuit board accommodating cavity (72). The plastic shell motor has the advantages of good reclaimable property, environmental protection, strong universality, convenient and reliable assembly and the like, and is suitable for a single-phase brushless motor and a three-phase brushless motor.

The invention relates to a Micro USB (universal serial bus) receptacle, which comprises a PCB (printed circuit board) and an outer casing. The receptacle is characterized in that a convex block extends outwards from the side edge of the PCB, the surface of the convex block is provided with a copper coil which is connected with a PCB circuit, the interior of the outer casing is provided with a through hole, the convex block is inserted into the through hole of the outer casing to form a connecting core of the USB receptacle, and the bottom of the convex block is provided with a sealing piece which is used for sealing the opening of the through hole. The micro USB receptacle has the beneficial effects that 1. the PCB is provided with a matrix, so the material is saved, the production process is simplified, and the production cost is reduced; 2. the outer casing adopts a plastic outer casing, so the interference effect on antennas by hardware is improved, and the manufacturing cost is reduced; 3. a sealant is adopted for sealing the opening of the outer casing, so the waterproof and dustproof functions are favorably realized; 4. as the outer casing is made of plastic material, the matching degree is higher when the outer casing is assembled on an object or is arranged in a mounting hole, the gap is smaller, and the dustproof purpose is favorably realized.

In a power tool, a housing is composed of two divisional housings to be combined together; two receptacle blocks are provided on inner surfaces of the two divisional housings, respectively, and configured to protrude opposite to each other from the inner surfaces of the two divisional housings to surround an electric component and to hold the electric component in place when the two divisional housings are combined together into the housing; and a seal layer of an elastic material is formed integrally with one or each of the two receptacle blocks. The seal layer formed on a first receptacle block is pressed against a second receptacle block or another seal layer formed on the second receptacle block to provide sealing between opposed surfaces of the two receptacle blocks when the two divisional housings are combined together.

A jog dial switch, which functions as a key switch, includes a key sheet, a rotatable key top arranged on the key sheet, and a movement amount detector for detecting movement amount of the key top. The movement amount detector includes four permanent magnets arranged on the key top, three Hall elements, and an electric circuit for processing signals output from the Hall elements. The Hall elements and the electric circuit are arranged below the key sheet. The key sheet is formed by a water resistant material and covers the electric circuit.

A cable assembly including a cable, a metal clamp, and a tuboid metal case. The cable includes a outer insulator and a outer conductor thereinside. The outer conductor includes a protruding portion protruding to one side in the first direction from an end portion of the outer insulator on the one side in the first direction. The clamp holds the protruding portion and includes an end portion on the other side in the first direction. The metal case includes a swaged portion, which houses at least the end portion of the outer insulator and the end portion of the clamp. Swaged from outside, the swaged portion is in pressure contact with and fixed to at least the end portion of the outer insulator and the end portion of the clamp so that the end portion of the outer insulator is elastically deformed and the end portion of the clamp is plastically deformed.

The invention relates to a cover for a portable device (10) comprising: a main body (2) with resilient parts, an opening (3) provided in a resilient part (8) for insertion and removal of the portable device (10); and a releasable cap (1) shaped and configured to close the opening (3) and fit over at least a part of the resilient part (8) surrounding the opening (3).

The invention provides an improved high power LED streetlight with larger irradiated area and more hermetical sealing. The streetlight comprises a light source module, namely an upper casing body module, a light distribution module, namely a lower casing body module, and a casing body opening and closing module, wherein, the light source module is composed of a driving power source, a high power LED and an upper casing body, and the high power LED is installed on the upper casing body and connected with the driving power source; the light distribution module is composed of a reflection shade, a glass shade, a seal ring with a glass shade and a lower casing body, and the glass shade with the glass shade and the reflection shade are arranged on the lower casing body in sequence; the casing body opening and closing module is composed of a locking piece and a supporting piece, the locking piece connects two ends of the upper and the lower shell bodies as a whole and ensures the upper casing body rotate around a shaft, and the supporting module is connected with the other two ends of the upper and the lower shell bodies and ensures the upper and the lower shell bodies are closed or opened; and when the upper and the lower shell bodies are closed, the high power LED on the upper casing body is positioned at the middle part of the reflection shade which is on the lower casing body. The streetlight is mainly used for lighting a street.

A small sports touch-control Bluetooth earphone includes a neckband, cases, earplug sets and a Bluetooth touch-control device. The Bluetooth touch-control device includes an MCU, a Bluetooth IC module, a touch-control IC module, a receiver module and a capacitive touchpad. The mechanical keys on the traditional Bluetooth earphone are replaced by the capacitive touchpad. The user can control by touching the case with fingers, thereby performing various functions in a convenient way. The capacitive touchpad is disposed inside the case, forming a sealed structure. The sealing effect is sufficiently good to effectively separate external liquids and objects, thereby achieving waterproof and dustproof effects.

The invention is applicable to the technical field of automatic speed change and provides an automatic speed changing method and device for a hybrid power bicycle. The method comprises the following steps that a, a sensor set acquires a current riding state signal in real time and transmits the signal to a microprogrammed control unit (MCU); b, the MCU outputs a control signal to a motor controller according to the current riding state signal; and c, the motor controller controls a motor to output the corresponding assisting speed and assisting gear according to the control signal. According to the automatic speed changing method and device for the hybrid power bicycle, a traditional mechanical gear set type speed change device is abandoned, the MCU performs judging and analysis according to the current riding state signal transmitted by the sensor, and the motor is directly controlled to output the corresponding assisting speed, and accordingly automatic speed change and automatic gear adjusting of the hybrid power bicycle are achieved, and unnecessary judgment and operations of a rider are reduced.

The invention relates to the field of computers, and specifically relates to a computer case capable of rapidly dissipating heat. The computer case comprises a case, an air outlet is formed on the topof the case, and a waterproof plate for shielding the air outlet is also arranged on the top of the case. An air outlet screen plate is connected to the outer ring of the waterproof plate, an air draft shaking heat dissipation assembly is installed at the top in the machine box, a filtering cavity is formed in the bottom of the machine box, a filtering net is arranged in the filtering cavity, anannular cooling cavity is formed in the outer side of the filtering cavity, and a plurality of lateral air inlet pipes are further arranged in the cooling cavity in the circumferential direction. According to the computer case, heat in the case can be rapidly conducted out, the waterproof and dustproof effects are good, and durable and stable operation of a computer is guaranteed.

An ultrasonic control apparatus has a connector and a connector cover. The connector cover is attached to be slidable between a close position where the connector is covered and an open position where the connector is exposed, and has a press projection. When the connector is set on the press projection and then pressed down together with the connector cover, the connector is exposed and opposed to the connector, and the connectors can be connected with each other.

The invention discloses a plastic shell structure. The plastic shell structure comprises a plastic shell and a PET composite decorative film attached to the inner side surface of the plastic shell. The PET composite decorative film comprises a PET substrate, and the PET substrate comprises a fitting surface and a decoration surface. The decoration surface of the PET substrate is provided with an ink printing layer, a UV grain layer and an optical coating layer in sequence; the optical coating layer of the PET composite decorative film is provided with an LDS antenna. The invention also discloses a manufacturing method of a plastic shell structure. The large-area waterproof and dustproof antenna manufactured in the plastic shell solves the industrial problems that the surface of the fragmented and dispersive electronic component assembly structures in a traditional 3C electronic product plastic shell has no enough space to design a 5G signal antenna, and when the antenna is made at thesurface of the plastic shell, the product appearance decoration effect is influenced, the antenna is easy to be damaged to cause whole damaging of the product and difficult to maintain. The plastic shell structure has glass or ceramic appearance effects, is light and fashion and novel in appearance, and is anti-fall and waterproof.

The invention discloses a multifunctional integrated automobile front door lock, and can effectively solve the problem in a split automobile front door lock that unstable transmission signal affects using of a user. The multifunctional integrated automobile front door lock not only has the advantages of integrated automobile front door lock such as impact structure, good anti-dust and anti-water properties, and high transmission efficiency, but also has electrically opening automobile door function, child's insurance opening and relieving signal feedback function, signal feedback functions for inner and outer opening actions, signal feedback function during electrically opening automobile door action, signal feedback function in case the automobile door is not at complete locking position, and locking and unlocking signal feedback functions, so that the user can accurately and timely be informed of the realization process of each function; and the signal feedback functions are realized through arranging corresponding microswitches.

The invention relates to a three-color key injection molding technology. The technology comprises the steps in sequence of S1, opening a mold for the first time; S2, installing the mold; S3, closing the mold for the first time; S4, carrying out first color injection molding; S5, opening the mold and closing the mold for the second time; S6, carrying out second color and third color injection molding; S7, carrying out discharging; S8, carrying out subsequent processing; S9, carrying out paint spraying and laser engraving; and S10, installing a light guide body. The three-color key injection molding technology has the advantages that the yield is high, the production efficiency is high, a second color and a third color of a product are well fused, the waterproof and dustproof effects are good, the appearance is attractive, and the using effect is excellent.