30results about How to "Flexible and easy way" patented technology

The invention relates to a composite material and a preparation method thereof, and can be widely applied to the fields of batteries, environmental protection, adsorptive dehumidification, air conditioning, refrigeration, heat pumps, pressure-variable separation purification, hydrogen storage production and the like. The composite material comprises a supporting framework material, carbon microspheres and/or a carbon film and a loading material, the loading material comprises salt, an electrode material and a physical adsorbent, the carbon microspheres and/or the carbon film are/is firmly attached to the wall surfaces of pores in the supporting framework material, and the loading material is uniformly distributed inside the carbon microspheres and/or the carbon film, so that direct embedment of the loading material between carbon atoms is achieved, the anti-agglomeration inactivation capacity is obviously enhanced, and the service life is effectively prolonged; the composite material breaks through a limitation of the specific surface area of the original skeleton material, so that the specific surface area of the composite material can be effectively increased under the premise ofincreasing the loading capacity, and the adsorption, reaction or electron migration rate can be increased; the composite material conveniently achieves close contact between the adsorbent and a heat-exchanging wall surface by an extruding, bonding or brazing method, so that the contact heat resistance between the two is effectively reduced.

The invention discloses an industrial-robot-based abrasive belt grinding device for profiles of a controllable pitch propeller and a manufacturing method of the abrasive belt grinding device and mainly solves the problems caused in numerically-controlled machine tool type manufacturing, such as high cost, instability in machining precision and low efficiency due to manual grinding, occupational hazards of polishing and the like. The device mainly comprises a six-freedom-degree industrial robot, an abrasive belt grinding mechanism and a numerical control rotary table, wherein the abrasive belt grinding mechanism which is arranged in a triangular structure is connected with an end joint of the robot through a flange; a motor achieves high-speed rotation of an abrasive belt driving wheel through a synchronous belt; a pneumatic mode drives a tension wheel to achieve abrasive belt tension; a workblank of the controllable pitch propeller is installed and clamped in the center of the rotary table; and a servo motor drives an output gear of a reduction box to be meshed with a gear ring of a slewing bearing so as to achieve continuous 360-degree rotating and indexing. The abrasive belt grinding device is ingenious in structural design and high in grinding rigidity and universality, reduces the production cost greatly and has excellent practical and promotional values.

The invention relates to a programmable gain circuit with SAG compensation for a video frequency buffer amplifier. An operational amplifier U1 of the circuit is connected with the programmable gain circuit with feedback and SAG compensation, wherein, the output end of the operational amplifier U1 is connected with a resistance R4 and a capacitance C4; the resistance R4 is connected with a capacitance C5 of the operational amplifier U1; the capacitance C4 is connected with a resistance R5 and an output resistance R6; the resistance R5 is connected with the capacitance C5 and a resistance R8; and the resistance R8 is connected with an equivalent resistance R7 of the programmable gain circuit. Compared with the circuit of the conventional video frequency buffer amplifier, although a component is added, the volume and the cost are reduced due to the reduced capacity of an output capacitance. The programmable gain circuit has the advantages of simple structure, small volume and cheap circuit, and the circuit device can effectively ensure the transmission quality of video frequency, and the gain can be adjusted according to demands.

A finger vein information security management platform comprises a finger vein intelligent terminal, a communication network, a server, a client access port and an identity authentication terminal, wherein the finger vein intelligent terminal is connected with the server through the communication network; the client access port is connected with the server through the communication network; the identity authentication terminal is connected with the server through the communication network; the server is a cloud server; the finger vein intelligent terminal comprises a finger vein recognizing device and a shell; the finger vein recognizing device comprises a control main board; the control main board is connected with a finger vein collector, a voice player, an audio collector, a video collector, a capacitive touch screen, a wireless communication module, an LED display lamp and an RFID (radio frequency identification device) reader-writer; a local memory module and an alarm card are arranged on the control main board; the alarm card is connected with the voice player. The finger vein information security management platform has the advantages of high security and good convenience and quickness.

The present invention relates to a universal adapter for exercising sticks comprising a mounting means for stably and detachably securing at least an exercising stick in place, such that said adapter functions and forms as an extension of said stick when in use. The mounting means preferably comprises of an elongated member into which a stick-holding means is slidably, tensionally and adjustably mounted, such that said mounting means is capable of providing a varying resistive force against the pushing action of a user when in use, and an extension for increasing the stick's effective length, especially when used in combination and to complement a stationary exercising device such as, among others, a stepper, twister, treadmill, stationary bike, stair climber and combination thereof. This invention is useful to a person who is in an actual or simulative action of stepping, climbing, walking, skiing, or similar actions serving as an aid, balancer, stabilizer, or an exerciser especially for the arms and upper body.

The invention discloses a fixing structure for a transverse stabilizer bar of a coach, the bar body of the transverse stabilizer bar is installed on a coach frame or a frame rail by a fixing bracket; and two bent ends are suspended on an axle or the frame rail by suspenders. The invention changes the traditional installment mode of the transverse stabilizer bar, has simple fixing structure, adopts a flexible and convenient mode, not only ensures that the body of the coach does not fiercely incline transversely when the coach turns, but also reduces matched parts, saves lots of space, lowers installment size requirement for two ends of the transverse stabilizer bar, and reduces the production cost.

The invention provides an air conditioner control method and system based on NFC. The air conditioner control system comprises an air conditioner and a control device operated by a user to control operation of the air conditioner, the air conditioner is provided with an NFC radio frequency module and an MCU control module, and the control device is provided with an NFC label module used corresponding to the NFC radio frequency module; the NFC label module responds to user selection operation to determine a first control instruction used for controlling the air conditioner to enter a target running state; when the control device is close to the air conditioner, the NFC radio frequency module obtains the first control instruction through an active mode and sends the first control instruction to the MCU control module through serial port communication; and the MCU control module analyzes the first control instruction and instructs an internal control module of the air conditioner to execute the instruction content of the first control instruction obtained through analysis according to protocol agreement, so that the air conditioner enters a target running state. Therefore, the operation state of the air conditioner is controlled in a more flexible and convenient mode, and the control accuracy and efficiency of the air conditioner are improved.

A tour verification test system for a power transmission and transformation condition based maintenance test device is composed of an industrial control computer, a test standard device, a data acquisition module and a data processing module. The test standard device is connected with the industrial control computer through a controller area network (CAN) bus, and a data acquisition card, a digital multimeter and a manual input unit of the data acquisition module are respectively connected with the test standard device. The data processing module comprises a PCI, a general purpose interface bus (GPIB) interface and a universal serial bus (USB) interface. A data processing template base and a certificate template base are respectively connected with a data processor. The data acquisition card, the digital multimeter and the manual input unit are respectively connected with the PCI, the GPIB interface and the USB interface, and the data processor is connected with the industrial control computer. The tour verification test system for the power transmission and transformation condition based maintenance test device has the advantages of being high in reliability, stability and integration density, convenient to use on site and the like, and can be used for on-site verification tests of the transmission condition based maintenance test device for a long time in an non-interruption mode.

The invention discloses a front wall heating surface structure of a CDQ (Coke Dry Quenching) waste heat boiler. In order to solve the problem of water circulation faults of a conventional water-cooled wall of a CDQ waste heat boiler, the front wall heating surface structure of the CDQ waste heat boiler comprises a water-cooled wall section and a lateral washing section; a pipe at the water-cooled wall section extends to the interior of a gas duct at the tail part of a waste heat boiler to form the lateral washing section; the axial line of a pipe at the lateral washing section forms an inclined angle of not larger than 30 degrees with the horizontal plane; and one end of the pipe at the lateral washing section is communicated with the pipe at the water-cooled section, and the other end is fixed on a lower interconnecting box close to a front wall or a rear wall. The pipe on the water-cooled wall of the front wall of the CDQ waste heat boiler extends to the interior of the gas duct at the tail part of the waste heat boiler to form the lateral washing section, so that the heat absorption capacity of the front wall heating surface is increased, and the water circulation safety of the front wall heating surface is improved.