39results about How to "Guaranteed flexibility of use" patented technology

The invention provides a system of an electric automobile for outwards supplying power. The system comprises a power battery, a charge-discharge socket, a three-level bi-directional DC/AC (Direct Current/ Alternating Current) module, a charge-discharge control module and a controller module, wherein the charge-discharge socket is connected with an externally connected load; one end of the charge-discharge control module is connected with the alternating current end of the three-level bi-directional DC/AC module, and the other end of the charge-discharge control module is connected with the charge-discharge socket; the controller module is used for controlling the three-level bi-directional DC/AC module to convert the voltage of a power battery into the alternating current of a preset voltage value, and providing the alternating current to the externally connected load through the charge-discharge control module and the charge-discharge socket. The system for outward supplying power can outwards supply power through the electric automobile, so that the function of the electric automobile is improved; the three-level bi-directional DC/AC module is adopted, so that the power battery is large power charged and discharged, the efficiency for charging and discharging the power battery is improved, the charging and discharging time is shortened, and convenience is brought for users. The invention also provides the electric automobile.

The invention discloses a key management system and method for a virtual trusted platform module in a cloud environment. A virtual machine and the virtual trusted platform module corresponding to the virtual machine are established on a trusted host. A key management function of the virtual trusted platform module is independent and is realized by hardware password device. Key management and authentication are carried out through combination of a resource management server, a certificate management server, a trusted authentication server, and the like. Other functions of the virtual trusted platform module are realized through software. The flexibility when the virtual trusted platform module is migrated is ensured. Hardware level protection for key information such as a key can be realized. An application data symmetric key is transmitted through a confidential channel between the trusted host and a password device client, so the security of the key information such as the key is improved. The key usage and management control right can be transferred from a cloud service provider to users of the virtual machine and the virtual trusted platform module, and the key management is a non-centralized management mode.

The invention discloses an acoustic and electric parameter measuring device used for loading procedure of gas-containing coal bodies. The measuring device includes a loading system, a gas circuit system, an acoustic parameter measuring system and an electric parameter measuring system, wherein the loading system includes a loading device capable of relatively and hermetically performing radial loading and axial loading, and a loading pump providing load for the loading procedure; the gas circuit system includes a methane gas bottle, as well as a gas inlet pipeline and a gas outlet pipeline that are communicated with the loading device respectively, wherein the methane gas bottle is connected onto the gas inlet pipeline; the acoustic parameter measuring system includes an acoustic probe, a sound generator and an oscilloscope; and further, the electric parameter measuring system includes an electrode plate, an insulation board and an LCR (inductance, capacitance and resistance) tester. Through adopting the structure, the measuring device can test different coal body acoustic and electric parameters as axial pressure, confining pressure and pore pressure, and provides a great deal of accurate test data and theoretical base.

The invention discloses a cloth section ironing device used in garment manufacturing, which comprises a cloth conveying belt, a cutting frame, an ironing frame, a first motor, a first transmission shaft, a power distribution box, an electrified support column, a cutting plate, Electric connection block, second motor, transmission frame, rotary cutter, second transmission shaft, support rod, ironing frame, rolling gear, rolling groove, heating chamber, ironing plate, steam outlet hole and water pipe. The beneficial effects of the present invention are: the device lays the cloth on the cloth conveying belt, and the first motor drives the cloth conveying belt to roll and move through the first transmission meeting. When the cloth is conveyed to the lower part of the cutting frame, the cutting frame Several cutting discs on the machine cut the cloth into sections, and the cut cloth strips are then conveyed to the bottom of the ironing frame, and the cloth strips are humidified and ironed by several ironing frames on the ironing frame to avoid The edges of cloth strips fly down into the air to cause environmental pollution; the device is easy to operate and the connections of each component are flexible.

The invention discloses a storage battery. The storage battery comprises a storage battery cover and a storage battery tank, wherein the inner surface of the storage battery cover is adhered with an RFID electronic tag; and the outer surface of the RFID electronic tag is coated with an adhesive film. According to the storage battery provided by the invention, the adhered position of the RFID electronic tag is highly concealed, a certain extent of anti-theft deterrent effect can be realized by using the security feature of the RFID electronic tag, the factual basis of steal can also be proved by using information stored in the electronic tag after the storage battery is stolen, and the cost of the RFID electronic tag is also relatively low, so that low-cost theft prevention of the storage battery is realized. According to the assembly technology of the storage battery provided by the invention, the assembling and using flexibility of the storage battery is guaranteed through direct adhesion type of the RFID electronic tag, the outer surface of the RFID electronic tag is coated with the adhesive film with the ingredient of epoxy resin glue, and partial metal is avoided from falling and diluting into the interior of the battery after a circuit inside the electronic tag is corroded, so that the cycle life of the battery is guaranteed.

The invention provides a UUV battery pack intelligent cascade expansion architecture and a cascade expansion method, and solves problems that the existing battery pack cascade operation prerequisite condition requirement is high, the operation process is complex, the safety is poor, the expansion use form is single, and the UUV battery pack intelligent cascade expansion architecture and the cascade expansion method are not suitable for flexible configuration of multiple sets of battery packs. By means of bus type communication, automatic ID distribution, automatic differential pressure detection and electric quantity balance, series-parallel independent switching and the like, safe and intelligent cascade expansion of multiple groups of batteries can be realized. According to the invention, a star topology structure is adopted, the control method is simple, the architecture has control instruction code table generation specifications capable of adapting to any number of expansion nodes, the number of theoretical expansion nodes can reach 128, fault diagnosis and fault isolation of the battery pack of any node are convenient, the expansion forms are various, and the use safety and the expansion flexibility of the UUV battery pack can be fully guaranteed.

The invention discloses a digital-analog integrated circuit and a control method thereof. The digital-analog integrated circuit includes: a clock module, which is used for generating a clock signal; a digital module, which is used for carrying out initialization and partial works according to the clock signal, and generating an initialization completion signal, a work completion signal and a control signal; a starting module, which is used for providing a starting signal for the clock module according to the initialization completion signal, the work completion signal, the control signal and a reset signal, and used for controlling the clock signal before the digital module completes the initialization and the partial works; and a software unit, which is used for controlling the clock signal after the digital module completes the initialization and the partial works. According to the circuit, self-starting of the clock module can be realized, the circuit power consumption is reduced, and the simplicity of application is improved.

The invention relates to the technical field of auxiliary equipment for constructional engineering steel pipe instrument transportation, and particularly relates to an auxiliary lifting supporting legfor a steel pipe transport vehicle based on constructional engineering instruments. The auxiliary lifting supporting leg comprises a carriage main body, a first servo motor, a second servo motor, a belt pulley transmission mechanism, a hydraulic telescopic rod and a third servo motor, a sliding rail is fixedly installed at the bottom of the carriage body, a first screw rod is inserted into the sliding rail in a penetrating mode, one end of the first screw rod is fixedly connected with the first servo motor, and the outer side of the first screw rod is sleeved with a sliding block. Rotating wheels are symmetrically arranged in the two sets of lifting outer frames. Through the rotation of the rotating wheels and the elastic support of springs, a steel pipe can be shifted upwards by the rotating wheels and continuously conveyed upwards, so that the steel pipe is convenient to convey, the manual carrying of a worker is not needed, the labor burden of the worker is effectively reduced, andthe working safety in the lifting process is conveniently guaranteed.

The invention discloses an adjustable working lamp and a light dimming method thereof. The adjustable working lamp comprises a main lamp body, at least one auxiliary lamp body and at least one connecting mechanism. Each connecting mechanism further comprises a rotating element and at least one connecting element, wherein the connecting elements are rotationally connected to the rotating element, the rotating element rotates relative to the connecting elements, and the connecting elements are fixed to the main lamp body and the auxiliary lamp bodies separately; and the connecting elements and the rotating element are detachably connected, so that the auxiliary lamp bodies and the main lamp body are detachably connected, the auxiliary lamp bodies can be rotated relative to the main lamp bodyaccordingly, and the light emitting direction and range of the adjustable working lamp can be adjusted as required.

The invention discloses a portable water hose coiling device, and belongs to the field of firefighting equipment. The portable water hose coiling device comprises a support, wherein the support comprises a longitudinal plate and an inclined plate, the longitudinal plate is vertically arranged, the top end of the longitudinal plate is connected with a flat car or a fire hydrant cabinet through a detachable connecting mechanism, the inclined plate is formed and arranged at the bottom end of the longitudinal plate, and a U-shaped rotating clamp for automatically coiling a water hose is arranged on the inclined plate; a driving mechanism for driving the U-shaped rotating clamp to rotate is arranged on the inclined plate, a limiting mechanism for limiting the water hose during coiling is arranged on the U-shaped rotating clamp, and an arrangement mechanism which is located on the same side with the U-shaped rotating clamp and can conduct pre-arrangement on the water hose to be coiled is arranged at the end, away from the longitudinal plate, of the inclined plate. The portable water hose coiling device has the advantages of being simple in structure, small in size and high in use flexibility, meanwhile, the water hose can be coiled and arranged at the same time, the water hose coiling quality of the device is guaranteed, and convenience can be provided for firefighters to quickly coil the water hose during working due to the advantages of being simple in overall structure, convenient to use and install and the like.

The invention discloses active biological substance separation equipment which structurally comprises a vertical frame, a penetrating rod, an air pump, a lifting and storing cylinder and a concentration cavity; the penetrating rod and the air pump are connected to the vertical frame, the lifting and storing cylinder is arranged between the air pump and the concentration cavity, the air pump is slidably matched with the penetrating rod; the lifting and storing cylinder comprises a filter screen, a smooth cavity, an air cylinder, branches and a holding disc; the filter screen is connected into the smooth cavity through the branches, the smooth cavity is connected into the concentration cavity, the air cylinder is connected between the smooth cavity and the concentration cavity, and the holding disc is arranged between the air cylinder and the filter screen in a sleeved mode; a pushing device and a fixed-point structure are arranged on the holding disc; and the pushing device and the fixed-point structure are matched on the partition layer, when the filter screen can consume gas flow and pressure, an air cushion is extruded and deformed by the branches, the pushing device is pushed to slide towards a rotary screwing shaft along the inner side of an interlayer, and the fixed-point structure on the outer side of the interlayer is synchronously driven to circularly invert the rotary screwing shaft left and right, so that the overall use flexibility of the filter screen is maintained.

The invention discloses a cutting head folding device of a concrete cutting machine capable of folding the cutting head of the cutting machine during the transporting time. The cutting head folding device of the concrete cutting machine comprises a rack, which is jointed and mounted with a flexible air cylinder, the flexible air cylinder can rotate around the rack by taking the rear end as the pivot, an oscillating bar is jointed below the rack, the free end of the oscillating bar is provided with the cutting head, the piston rod of the flexible air cylinder is jointed to the middle section of the oscillating bar through a first connection rod and a second connection rod, the middle section of the first connection rod is jointed to the rack, the drive end of the first connection rod is jointed to the free end of the piston rod, the driven end of the first connection rod is jointed to the drive end of the second connection rod, the driven end of the second connection rod is jointed to the middle section of the oscillating bar. While folding the cutting head, the piston rod of the flexible air cylinder extends outward for a section of travel, the first connection rod and the second connection rod fold for certain angle for lifting the oscillating bar upward, thereby the cutting head on the oscillating bar can be folded in the rack, the use flexibility of the whole device is guaranteed.

The invention discloses a swing delivery transmitting device for candy processing transportation. The device comprises a first motor, a conveying belt is installed on one side of the motor, a moving sleeve ring is installed below the conveying belt, a first fixed penetrating seat is installed below the moving sleeve ring, a swing rotary rod is installed on one side of the first fixed penetrating seat, a second fixed penetrating seat is installed on one side of the swing rotary rod, and an placing containing plate is installed below the second fixed penetrating seat, a sliding frame is installed below the placing containing plate, a plurality of supporting sliding blocks are installed on the sliding frame, sliding grooves are formed in the lower portions of the supporting sliding blocks, afirst connecting bolt hole is formed in the placing containing plate, a connecting block is installed on one side of the placing containing plate, and a plurality of second connecting bolt holes are formed in the connecting block. According to the device, the working spacing of the swing rotary rod and the candy conveying belt is changed by siding the swing rotary rod forwards and backwards, so that the transmission of the conveying belt is conducted well and more accurately, and therefore the universality of fitting and the flexibility of using are ensured.

The invention discloses a steel-based bushing for pin shaft sleeving. The steel-based bushing for pin shaft sleeving comprises a bushing body, a sliding adjusting ring and a telescopic front sleeve, the sliding adjusting ring is mounted in the middle of the bushing body, an assembling ring is arranged inside the sliding adjusting ring in a penetrating mode, a rear welding ring is welded to one endof the assembling ring, a first extrusion-supporting frame is arranged inside the rear welding ring, a second extrusion-supporting frame is arranged on one side of the first extrusion-supporting frame, the first extrusion-supporting frame is provided with a spring, one end of the spring is fixedly connected with a connecting plate, a plurality of protruding blocks are welded to the connecting plate, threads are arranged on the telescopic front sleeve, a sleeve head is arranged at one end of the telescopic front sleeve, a damping disc is longitudinally arranged at one end of the sleeve head, and a penetrating groove of a hollow structure is formed inside the telescopic front sleeve. The steel-based bushing is convenient to use, firm and durable.

The invention discloses a novel multifunctional package convenient to tie. The package is composed of a first face plate, a second face plate, a bottom face plate and side face plates. The bottom faceplate is fixedly arranged on the lower ends of the first face plate and the second face plate. The front and rear ends of the bottom face plate are respectively fixedly connected to the lower ends ofthe first face plate and the second face plate. The side face plates are arranged on the two sides of each of the first face plate and the second face plate. The package is provided with a first sealing device, a second sealing device and a third sealing device. The novel multifunctional package convenient to tie facilitates the protection of a product and helps a user to place the package with the product perpendicular to a supporting surface during use so as to facilitate the taking of the product in the package by the user and effectively prevent the product from being contaminated due tothe tilt of the package, thereby effectively ensuring the quality of the product in the package. Therefore, the novel multifunctional package convenient to tie has the characteristics of small contamination, simple structure and good use flexibility.

The invention provides a vehicle information system authority management method based on a login prompt code and remote decoding, and the method comprises the steps: generating the login prompt code through a random number generation function in a process of logging in a vehicle information system, and requesting a user to provide a login password corresponding to the prompt code; calculating the login prompt code by adopting an encryption algorithm to serve as a final check password; calculating the login prompt code fed back by the user on the computer by using the same encryption algorithm to obtain a login password, and displaying the login password in a login password box; and inputting the obtained login password on the login interface of the vehicle information system, if the login password is consistent with the check password, indicating that the login is passed, and enabling the user to obtain the operation authority, otherwise, not allowing the user to log in. According to the method, the permission use flexibility can be ensured, and meanwhile, the technical problem of permission abuse caused by infinite expansion of the permission range is avoided.