44results about How to "Avoid Electrical Hazards" patented technology

The invention provides a home appliance control method, a device, a server and an air conditioner. The home appliance control method comprises the steps that whether human body sensing data are obtained or not is detected according to the preset period; when it is detected that the human body sensing data are obtained and meanwhile the human body sensing data belong to the preset human body parameters, environment detection data are obtained; and the target operation parameters are determined according to the human body sensing data and the environment detection data. By means of the technical scheme, the possibility of trigging a home appliance by accident is lowered while the power consumption loss of the home appliance is saved, and the comfort of a user in the operating process of the home appliance is improved.

The invention relates to the field of electronic circuits, in particular to an electric supply load protection circuit against overvoltage, overcurrent, current leakage, short circuits, surge and lighting strokes. A loaded multifunctional protection circuit of the invention carries out monitor and protection on current, voltage and leakage current of alternating current respectively by an overcurrent protection circuit comprising an overcurrent mutual inductor, a rectifier bridge unit, a resistance voltage dividing unit, an operational amplifier comparison circuit and a thyristor, an overvoltage protection circuit comprising a rectifier bridge unit, a resistance voltage dividing unit, an operational amplifier comparison circuit and a thyristor, and a current leakage protection circuit comprising a zero sequence current mutual inductor, a current leakage protection chip and a thyristor. . When a load access end has the phenomena of overcurrent, overvoltage and current leakage, a tripping device is controlled by a tripping device coil to disconnect an input channel of the alternating current so as to avoid electrical hidden danger and safeguard personal and property safety. Meanwhile, lighting stroke protection, surge protection and faulty connection protection can be carried out through a piezoresistor and an indicator light unit among the fire wire, the zero wire and the earthwire.

The invention discloses a quick overlapping tool for a draining line applied to ground potential operation, which belongs to the technical field of power operation equipment, comprises a main clamping seat and a secondary clamping seat used for clamping an insulated wire and further comprises a sleeving rod. The main clamping seat is provided with a sliding groove, and the secondary clamping seat is arranged in the sliding groove movably. The front end of the sleeving rod is connected with the secondary clamping seat, and the sleeving rod drives the secondary clamping seat to moveably clamp the insulated wire with respect to the main clamping seat. The main clamping seat is provided with a clamping block used to have the drainage line clamped tightly. The main clamping seat and the second clamping seat have the insulated wire tightly clamped, and when the clamping block has the drainage line clamped tightly, the insulated wire and the drainage line are electrically communicated. The quick overlapping tool for draining line provided by the invention enables that the overlapping of a drainage line can be completed in the form of ground potential operation, which greatly reduces manpower and equipment needed for overlapping. The working time required for the overlapping is also shortened considerably. With the quick overlapping tool of the invention, the effective overlapping can be realized without stopping the power supply, so as to ensure the continuity and reliability of the power supply.

The invention relates to technology for the field of rotating speed counting equipment of rotating objects, in particular to a passive rotating speed counting device and a counting method thereof, which has the advantages that the rotating speed measurement is free from interference, high in measurement accuracy, passive and safer, and is suitable for rotating characteristic measurement under severe environments such as high temperature, low temperature, underwater, high electromagnetic interference and the like. The device comprises a processing device, an optical fiber transmission channel and a turntable, wherein the optical fiber transmission channel comprises a transmitting optical fiber and a receiving optical fiber; the transmitting optical fiber transmits an optical signal by a transmitting core wire; the receiving optical fiber receives the optical signal transmitted by the transmitting optical fiber by a receiving core wire; the turntable is arranged on a rotating speed output shaft of a rotating speed output device to be measured and is blocked on an optical path between the transmitting optical fiber and the receiving optical fiber; at least one group of through holes are arranged on the turntable; in the process of rotating the turntable, the through holes are intermittently connected with the optical path between the transmitting optical fiber and the receiving optical fiber; and the processing module is used for processing the optical signal received by the receiving optical fiber so as to calculate the rotating speed.

The invention discloses a protection device for a mining belt conveyor controller. The protection device for the mining belt conveyor controller comprises a protection box, wherein the protection box is slidably installed on a fixed top plate through a movable hanging buckle, damping assemblies are symmetrically arranged at the upper side and the lower side in the protection box, fixing frames are symmetrically arranged at the two sides in the protection box, and limiting supports are arranged on the fixing frames; and limiting push plates are arranged on the limiting supports, and side edge stabilizing assemblies are slidably arranged at one sides of the limiting push plates. The protection effect is guaranteed to be still achieved under the strict condition that the protection device for the mining belt conveyor controller is used in a mine, a pagoda-shaped spring is adopted, so that the conveyor controller can be well protected in the cases of various installation angles and non-horizontal use angles, and the use condition of unstable center of the controller is met; and secondly, limiting sliding rods are rotationally connected to the two ends of the bottom plate, the other ends of the limiting sliding rods are slidably installed on first limiting blocks, meanwhile, the limiting effect on the bottom plate can be achieved, and the stability of the bottom plate is guaranteed.

The invention relates to a boiler (1) including a plastic-made main body (2), a heating plate (16) and a lower-part shell body (12). An internal control device (44) is accommodated inside the lower-part shell body. The lower-part shell body (12) comprises a circumferentially upward-stretched inner wall (13). The plastic-made main body (2) comprises a lower part (4b). THe heating plate (16) includes a lower part surface (19a,20a,33) and a circumferential edge (18). An external sealing pat (36) is disposed between the circumferential edge (18) and the lower part (4b). According to the invention, an internal sealing pat (24) is disposed between the inner wall (13) and the lower part surface (19a,20a,33) for preventing any penetration of water into the shell body, especially penetration of leakage water from the external sealing pat (36) due to sealing defect.

The invention provides a correlation method, a correlation system and an air conditioner. The correlation method comprises the steps of acquiring a request correlation instruction, which is sent by a peripheral terminal, for requesting to be correlated with a household electrical appliance; acquiring relevant information of the relative distance between the household electrical appliance and the peripheral terminal according to the request correlation instruction; judging whether a distance value corresponding to the relevant information is less than or equal to a preset distance value or not; controlling and establishing correlation connection between the peripheral terminal and the household electrical appliance when the distance value corresponding to the relevant information is judged to be less than or equal to the preset distance value, and sending a correlation confirming instruction to the peripheral terminal. through the technical scheme provided by the invention, security correlation for the household electrical appliance is realized, the correlation reliability of a local area network is improved, and electrical hazards caused by false triggering are avoided.

The invention provides a control device, a control method, a control system and a cooking appliance, wherein the control device comprises an electromagnetic drive rotary coil and a drive control module; the drive control module comprises a microprocessor; and the drive control module is connected to the electromagnetic drive rotary coil and is used for determining an electric load applied to the electromagnetic drive rotary coil. According to the technical scheme provided by the invention, a corresponding stirring structure is driven to stir by virtue of an electromagnetic field which is generated by the electromagnetic drive rotary coil, so that non-contact electromagnetic control is achieved and the volume of the stirring structure is diminished; in addition, when the control device is applied to the cooking appliance, a food cooking level can be improved and an effect of intelligently controlling a stirring process can be achieved; and furthermore, by sensing the rotating situation of the control device, a user can timely discover and handle exceptional cases, so that user's using experience is improved.

The invention discloses a self-locking device. The self-locking device comprises a first main body and a second main body, and the first main body and the second main body are connected through a connection structure and can be opened and closed with the connection structure as a shaft; the first main body is provided with a first part, the second main body is provided with a second part which isused for allowing the first part to be inserted and can achieve self locking, and after the first part is inserted into the second part, the first main body and the second main body keep in the combining state; the first main body is provided with N semi-circular holes, the second main body is provided with semi-circular holes corresponding to the semi-circular holes in the first main body one byone, and N is an integer larger than or equal to 1; the first main body or the second main body is provided with a wire clamping structure; or the first main body and the second main body form a wireclamping structure. Through the formed semi-circular holes, the self-locking device is fixed to a pipeline of an air conditioner outdoor unit, a wire is fixed into a wire clamping area formed by the wire clamping structure, it is achieved that the pipeline is isolated from the wire, and staff operation procedures are simplified advantageously.

The invention discloses a shield tunnel segment internal micro-damage detection device and method. The shield tunnel segment internal micro-damage detection device comprises a steerable visiting device, a sound signal monitoring module, a telescopic connecting framework, a detachable mobile power source and a segment monitoring cloud platform, wherein the front end of the telescopic connecting framework is connected with a viewfinder through a universal coil pipe; the viewfinder is used for detecting an image signal in the shield tunnel segment; a sound signal monitoring module and a GPS positioning chip are installed on the telescopic connecting framework, the sound signal monitoring module is used for monitoring abnormal sound generated in the damage process of the segment, and the GPS positioning chip is mainly used for positioning the installation position of the whole detection device; and the tail part of the telescopic connecting framework is connected with the detachable power supply, and the power supply provides power for the sound signal monitoring module, the GPS positioning chip and the viewfinder, so that the normal work of each component is ensured.

The invention discloses an environment-friendly street lamp. The environment-friendly street lamp comprises a stand column. A flange is fixedly connected to the bottom end of the stand column. One garbage can is fixedly connected with each of the two sides of the stand column. A first supporting column is fixedly connected with the top end of the stand column. A solar panel is fixedly connected with the top end of the first supporting column. A second supporting column is fixedly arranged on the top of one side of the stand column in a connected manner. A lighting lamp is fixedly connected with one end of the second supporting column. A box body is fixedly connected with the middle of the stand column. A movable door is movably arranged on one side of the box body through a hinge in a connected manner. A light activated switch is fixedly connected with the top end of the box body. A storage battery is fixedly arranged inside the box body in a connected manner. The solar panel is electrically connected with the storage battery. The lighting lamp is electrically connected with the storage battery through the light activated switch. The environment-friendly street lamp is provided with the solar panel and thereby being capable of carrying out energy-saving lighting; meanwhile, because the storage battery of the environment-friendly street lamp is independently arranged in the boxbody, the storage battery is convenient to maintain; and because the environment-friendly street lamp is provided with the garbage cans, the environment-friendly street lamp can carry out garbage collection.

The invention provides a full-automatic oil-water separation treatment device for a cooling box of a machine tool. The device floats on the surface of cooling liquid in the cooling box of the machinetool and comprises a rack component, a lifting component, an adsorption component and a pneumatic control system, wherein the lifting component is connected to the rack component; the adsorption component is connected to the lower portion of the lifting component and provided with oil absorption cotton; the pneumatic control system has dual functions of controlling the movement of the lifting component and the cleaning process of the oil absorption cotton, and comprises a micro cylinder, a pneumatic triple piece, an oil mist filter, a manual control switch valve, a pneumatic control reversingvalve, a pneumatic control valve, a mechanical control reversing valve, a vacuum generator, a vacuum chuck, a pneumatic timer for working and a pneumatic timer for resetting; and the pneumatic controlsystem drives and controls the lifting component and the adsorption component, and full-automatic oil-water separation treatment of the cooling box of the machine tool is achieved on the basis of therack component. According to the invention, the pneumatic control system is adopted, a structure is simple, using is convenient, efficiency is improved, cost is reduced, and the beneficial effects ofsaving energy, protecting the environment, being safe and reliable and being low in failure rate are achieved.