51results about How to "Work in time" patented technology

The invention discloses an over-travel protector for a winding engine, comprising a frame and a screw rod which is installed on the frame and connected with the winding engine. One end of the screw rod is connected with a coder via mutually engaged gears I and II. Two travel switches are installed on the frame. A moveable plate is disposed between the two travel switches and is connected with the screw rod via a linear shaft. The moving distance of the moveable plate accurately reflects the moving position of a carrier dragged by the winding engine via the coder and a controller. The position of the travel switch can be regulated and is behind a travel locating point of the winding engine. When the controller is out of order, the winding engine continues running, the moveable plate moves to the travel switch, the travel switch contacts and sends to an external controller via leads, and then the controller stops the winding engine in order to efficiently prevent accident.

The invention discloses a fireproof structure of a building curtain wall, relates to the technical field of building engineering and building fire prevention, and solves the problems that an existing glass curtain wall is easy to break after being heated and cannot play a good fire insulation role, dust is easy to enter a water curtain nozzle after the water curtain nozzle is exposed outside for a long time, head collision and blockage are caused, and the service life of the water curtain nozzle is influenced due to collision. Comprising a curtain wall mounting piece; a group of glass curtain walls are arranged in front of and behind the inner side of the curtain wall mounting piece; the upper part of the curtain wall mounting piece is connected with a group of spray head cover plates through a hinge; and a group of pipeline sliding pieces are connected into the water curtain water supply pipeline in a sliding manner. The strength of the glass curtain wall can be improved, when the glass curtain wall is heated and broken, certain integrity is still kept, the spray head can be well protected, meanwhile, the spray head cover plate can be opened in time, an alarm signal is sent, the spray head cover plate can be automatically opened in a linkage mode when a water curtain system works, the structure is simple, and the practicability is high. And the use stability is higher.

The invention discloses a relay protection device measurement loop detecting method and device and belongs to the technical field of power system relay protection. The method includes the following steps that: the multi-source wave recording file of a measurement loop, which is generated when an external fault occurs, is called; a asynchronous multi-source data correlation and time synchronizationare performed on the wave recording waveforms of the multi-source recording file; wave recording waveform data are judged according to a preset rule base, so that the abnormal type of the measurementloop can be determined; an alarm is given out according to the determined abnormal type; and if a new abnormal type appears, a new judgment rule is supplemented to the rule base, so that the rule base can be improved. With the method of the invention adopted, no additional equipment is required, and any additional test does not need to be carried out; by means of communication and expert systems,work can be carried out efficiently and timely without stop, so that the restriction of factors such as personal experience and energy are broken; continuous improvement is carried out in a long-termoperation process, and expansion can be realized; and fusion and analysis of existing multi-source data belong to the deep mining of application functions, and therefore, the intelligence of an operation and maintenance system can be improved.

The invention discloses a harmlessness removal apparatus for harmful gas in city sewage pipeline, which comprises an air exhaust apparatus in an inspection well, the air exhaust apparatus extracts harmful gas in the inspection well, and is introduced to gas processing equipment arranged at port of the inspection well through an airduct, the gas processing equipment comprises a filtering apparatus and an adsorption apparatus, harmful gas passes through the filtering apparatus and the adsorption apparatus for processing harmful gas in order, and the processed gas is discharged in atmosphere. The harmlessness removal apparatus can be used for fast assembly and installation in the inspection well, and is capable of performing rapid and effective elimination as well as harmlessness processing on harmful gas in the well, land occupation of whole apparatus is little, the harmlessness removal apparatus has less influence on public transport, and work efficiency under well can be ensured.

The invention discloses a mimetic defense system based on certificate identity authentication and a certificate issuing method, which are applied in the technical field of network security. The system includes bottom equipment, an intermediate controller, and a certificate issuing center. There is a unique certificate, which stores its own public key, and the corresponding private key is kept privately by each device and is not disclosed to the outside world; in the method described above, the device sends a certificate request file to the intermediate controller, and the intermediate controller issues a certificate to the certificate after verifying its identity. The center applies for a certificate, and the certificate issuing center issues the certificate and sends it to the underlying device through the intermediate controller, and the underlying device installs the certificate. The intermediate controller adopting the mimetic structure of the present invention can effectively resist the attack of the attacker, and at the same time, if the output results of the heterogeneous executives are inconsistent when the judgment module is working, it can also judge in time whether the heterogeneous executives are attacked, and repair the system in time .

The invention provides a self-starting type in-car host of a tire pressure monitoring system, which comprises a battery and a host, wherein the host is provided with a display module, a controller, a power management module and a wireless signal receiving and conversion module, and the display module is provided with a display screen; the host is powered by the battery through the power management module, a vibration switch is connected between the battery and the power management module, and the power management module can be triggered to operate by a signal sent by the vibration switch when a car is in the stationary state; and the controller is connected with the power management module and powered by the power management module which is controlled to turn on or off by the controller. The self-starting type in-car host can be powered by a power supply except an in-car power supply and can be automatically triggered to operate before the car is started, so that the in-car host is enabled to operate in time, and the in-car host can be more conveniently operated and maintained.

The invention belongs to the technical field of sensors, and in particular relates to a dew condensation sensor and a dew condensation detection device and detection method prepared therefrom. The dew condensation sensor includes a detection electrode pair, the detection electrode pair is composed of a first electrode group and a second electrode group, the first electrode group and the second electrode group include a plurality of parallel electrodes arranged in a comb-like shape, the first electrode group and The parallel electrodes in the second electrode group are staggered, and the adjacent parallel electrodes are arranged at equal intervals, with a spacing of less than 2 mm; the first electrode group is grounded, and the end of the second electrode group is connected to a radio frequency transmitting circuit; the first electrode group Two detection resistors in series are electrically connected with the second electrode group, the middle point of the two detection resistors is used as an output point, the detection circuit detects the voltage value of the output point, and judges the equipment dew condensation according to the voltage value. The detection device prepared by using the dew condensation sensor has the advantages of high precision, low false alarm rate and high reliability.

The invention relates to an intelligent induction type parking stall control method. The brand new control strategy method is designed to improve a present parking stall control and management method. Under the condition that an RF reception module of a parking stall works in real time, work of a satellite positioning and navigation module is timely controlled, work of an RF emission module is timely controlled by combining the average vehicle speed at present, the RF reception module is used for communication, and thus, a light band which is arranged on the ground along the boundary of the parking stall is intelligent controlled. Energy-saving control can be realized, and the problem in parking in a bad light environment can be effectively solved.

The invention discloses a linkage processing method which comprises the following steps: checking a port of gateway equipment in connection with an outer data network and deciding linkage action according to the checking result of the port when the port has faults; executing corresponding linkage action for the accessing request of users. The invention discloses a gateway equipment with a gatewaywhich can retransmit the inquiries from the accessing network to a backup gateway equipment or refuse inquiries through a pre-arranged communicating relation when the port of the gateway equipment inconnection with the outer data network in order to ensure that the redundant backup mechanism works normally in time.

The invention relates to a silicone oil fan clutch with controllable separation speed. The silicone oil fan clutch with controllable separation speed comprises a sealed bearing, a shell arranged on an outer ring of the sealed bearing and a driving shaft arranged on the inner ring of the sealed bearing. A driving disc is arranged on the driving shaft, the driving disk is arranged in the shell, and an oil storage cavity is formed in the shell. An oil-guiding groove is formed in an outer cylindrical surface of the driving disc, and a raised rib strip is also arranged on the outer cylindrical surface of the driving disc. The silicone oil fan clutch with controllable separation speed provided by the invention has the advantages that a raised rib strip is further arranged on the outer cylindrical surface of the driving disc, when the silicone oil fan clutch transforms from a meshed mode into a separated mode, the rib strip can guide a fraction of silicone oil into a clearance between the outer cylindrical surface of the driving disc and the shell from a clearance between the upper portion of the driving disc and the shell, an oil pressure zone with certain pressure is formed on one side of the rib strip, the additional transmission function is generated in this way, and the separation speed of the silicone oil fan clutch is improved.