44results about How to "Help achieve" patented technology

The invention relates to a flexible adaptive power load control system and a control method thereof. The system is sequentially connected to electric equipment of a user via secondary collecting control equipment and a primary collecting control equipment by a demand response center and establishes connections and feedback with various types of user terminal equipment in the demand response center through cloud equipment and the Internet; in addition, the user reserves control capability for equipment of the user. For the control method of the system, according to power demand, user equipment condition, intentions of users and the like, various control schemes based on electricity price, based on incentive mechanism, in a full automatic mode, in a full manual mode, etc. can be adopted flexibly. The invention provides an adaptive control system architecture supporting various demand response modes, with high flexibility and expansion convenience; the control system facilitates the achievement of a demand response system and improvement of system stability.

The invention provides a battery management system and a battery management method. The battery management system comprises a battery pack controller, N single battery controllers, N isolation transformers and a pair of multiplex buses; the battery pack controller is connected to the multiplex buses and used for managing a battery pack, each single battery controller is connected to the multiplex buses through one isolation transformer, the battery pack comprises N single batteries which are connected in series, each single battery controller manages one single battery, time division multiplexing is performed on the multiplex buses, therefore, the battery pack controller and the single battery controllers can achieve power transmission and signal transmission through the multiplex buses, the system design and implementation difficulty is lowered, and the system is beneficial for lowering the cost. Furthermore, each single battery controller and the corresponding single battery are arranged to be adjacent to each other in the space, therefore, the single battery controllers and the single batteries can be combined together at the structure level, historical data of the batteries is stored, and secondary use of the batteries is convenient.

The invention belongs to the technical field of tunneling engineering and particularly relates to a manufacturing method for an end shield of a built-in grout block shield machine. According to the invention, grouted blocks are cut and built one by one via the fixing of adjustable inner tube flanges on a winded whole shell, thus the size precision of the end shield is well ensured, the product quality and the efficiency are improved. As for the shell blanking accuracy, the accuracy is greatly improved as compared with that of the traditional method of calculating key point by using the metal plate feeding function of software, so that the method is beneficial for achieving the conical tube mode of the end shield. Compared with the method of winding the shell section by section and then welding with the grouted blocks, the novel integral-cutting and gradual-embedding form ensures product quality better, and is more stable and more reliable. The plate is wound for one time according to the novel method, however, when the sectional winding method is adopted, the plate winding efficiency will be increased, the manufacturing cost of products is improved, and the production efficiency is reduced,.

The invention relates to a power grid capital construction project dynamic early warning identification method and system, and the method comprises the following steps: analyzing the current situationof power grid capital construction project dynamic early warning, and building a power grid capital construction project multi-dimensional target time sequence prediction model; establishing a powergrid capital construction project early warning index library, and constructing a power grid capital construction project three-level key early warning index library and an index influence structure diagram by utilizing the interpretation structure model; collecting engineering data of the power grid capital construction project to be evaluated, drawing a dynamic early warning curve of the power grid capital construction project, and determining a dynamic early warning threshold value of the power grid capital construction project; and based on a multi-dimensional target time sequence prediction model and mapping and membership relationships between different levels of the dynamic early warning curve and the three-level key early warning index, constructing a top-down or bottom-up bilateral linkage deviation checking mechanism, and carrying out dynamic early warning on the power grid infrastructure project. The method can be widely applied to the field of power grid capital construction project dynamic early warning.

The invention discloses a shoulder assistance support exoskeleton. The shoulder assistance support exoskeleton comprises an assistance module, a force transfer module and a main body connecting module; the main body connecting module comprises a waist belt worn on the waist and being adjustable in size; size-adjustable shoulder belts are fixedly connected with the waist belt; the back part of thewaist belt is vertically and fixedly connected with a lower adjusting plate; a lower connecting plate is fixedly connected with an adjustable main connecting plate; the main body connecting module mainly bears total support force; the positions of a first connecting rod and a second connecting rod in the force transfer module can be changed, so that the support force can be transferred, the shoulder moving range is widened, and the shoulder motion flexibility demands are met; the assistance module comprises a main shell, a cam spring energy storage module arranged in the main shell as assistance, and upper arm binding tools fixedly connected to a main shell base; the upper arm binding tools are fixed on the upper arms of users; the assistance module can realize assistance of the human shoulders in a self-adaption mode; the free swing of arms in a non-working section under a chest is not influenced; and the shoulder assistance support exoskeleton has the characteristics of high flexibility, no resistance, portability and easy wearing.

Provided is a power conversion device that reduces the power capacity that is required of a power buffer circuit. A converter (3) performs full-wave rectification with respect to a single-phase voltage (Vin) and outputs a rectified voltage (Vrec) between direct current power supply lines (LL, LH). An inverter (5) receives the rectified voltage (Vrec) and supplies three-phase alternating current (Iu, Iv, Iw) to an inductive load (6). A power buffer circuit (4) is connected between the direct current power supply lines (LL, LH). The power buffer circuit (4) comprises a discharge circuit (4a) and a charging circuit (4b). The discharge circuit (4a) comprises a capacitor (C4) and a switch (Sc) connected in series. The charging circuit (4b) is configured, for example, from a step-up chopper and comprises a switch (Sl), a reactor (L4), and a diode (D40). One part of a power pulse that is input into the converter (3) is transferred between the direct current power supply lines (LL, LH) by the power buffer circuit (4).

The invention relates to a brake booster for electric vehicles and belongs to the technical field of electric vehicles. The device mainly comprises four parts: a motor-driven reciprocal circulation pressurization cylinder supercharging device, a high voltage energy storage device, an assistant force drive device and a controller. The controller is connected with the motor-driven reciprocal circulation pressurization cylinder supercharging device, the high voltage energy storage device, the assistant force drive device and a brake signal senor of an automotive brake respectively; the motor-driven reciprocal circulation pressurization cylinder supercharging device is connected with the high voltage energy storage device 2, and the high voltage energy storage device is connected with the assistant force drive device; and the assistant force drive device is connected with the car arrester 5. The brake booster for electric vehicles can save a vacuum booster device with the large volume, and facilitate the realization of the braking of assistant force simultaneously.

The invention relates to the technical field of power-assisted robots, in particular to a passive flexible knee-ankle joint power-assisted exoskeleton robot. Comprising an exoskeleton support and a pair of energy recovery and release devices. Each energy recovery and release device comprises an input clutch mechanism, an energy storage mechanism and an output mechanism; in a knee joint bending stage, a first flexible cable or a second flexible cable pulls a corresponding input transmission pulley to rotate, so that an input transmission gear and a transmission inner gear ring are in meshed transmission, and energy storage of an energy storage spring is realized; in an ankle joint power assisting stage, a steering engine gear is in gear meshing transmission with a transmission rack, so that a clutch gear is meshed with an output transmission gear and an output transmission pulley at the same time, an energy storage spring releases stored energy, and a third flexible cable is stretched to pull a foot plate upwards to move; therefore, part of negative work done by the knee joint during stretching is collected in a mode of assisting the knee joint in doing negative work, part of negative work generated by the knee joint during bending is also absorbed, and the negative work collecting efficiency is higher when the negative work collecting device is used for collecting negative work.

The invention provides an energy conversion device comprising an energy transferring mechanism, an energy storing mechanism and a controlling mechanism. One end of the energy transferring mechanism is connected with the energy storing mechanism. The controlling mechanism is used for controlling the energy transferring mechanism to input the external mechanical energy into the energy storing mechanism and output the energy in the energy storing mechanism to the working parts. The invention also provides an automobile comprising a drive shaft, a speed reducing mechanism, wheels and the energy transferring mechanism. The drive shaft is connected with the wheels through the speed reducing mechanism. Due to the adoption of the technical scheme, the invention can collects the energy generated when the automobile is in the neutral position or in the speed reducing state so as to assisting the automobile with power for starting, accelerating or climbing the slope.

The invention discloses a PET carrier tape production forming system based on a high-precision and high-speed particle machine. The PET carrier tape production forming system comprises a crystallization drying assembly, an extrusion host machine assembly and a forming assembly which are sequentially arranged. The crystallization drying assembly comprises a crystallization hopper assembly body, a crystallization drying assembly body and a crystallization refining drying assembly body; the extrusion host machine assembly comprises an extruder which comprises an extrusion host machine electricity box and a machine cylinder assembly body arranged on the extrusion host machine electricity box; the machine cylinder assembly body comprises a machine cylinder and a threaded rod arranged in the machine cylinder; an extrusion mold is arranged at an outlet of the machine cylinder assembly body of the extruder; the forming assembly comprises a forming mold, and a press polish assembly is arranged between the extrusion mold and the forming mold and comprises a set of hot-pressing rolls which comprise the upper hot-pressing roll and the lower hot-pressing roll; and the two ends of the upper hot-pressing roll and the lower hot-pressing roll are rotatably installed on baffles arranged on the two sides of the top end of a rack.

The invention provides a sleep electroencephalogram monitoring method and system. The method is a single-channel computer sleep scoring algorithm based on data driving. First, collected decomposed electroencephalogram signal segments are decomposed using an empirical mode. Then, the features are extracted based on a statistical model from the obtained fixed mode function, and statistical analysis is performed to determine the validity of the selected feature. Finally, the automatic sleep segmentation is carried out by adopting a random undersampling classification algorithm. According to the sleep electroencephalogram monitoring method and system provided by the invention, weak classifier learning classification is performed by combining empirical mode decomposition algorithm iteration and random undersampling, and the problem of class imbalance of sleep electroencephalogram analysis can be reduced while the adaptivity of the collected sleep electroencephalogram signals can be improved.

The invention discloses a low titanium slag dry method treating device and a dry method treating process. The low titanium slag dry method treating device comprises a cyclone dust collector connectedwith titanium tetrachloride production equipment, an ash outlet of the cyclone dust collector is connected with an ash storage hopper, an outlet of the ash storage hopper is connected with an ash storage tank through a pipeline, and the ash storage hopper is connected with a nitrogen pressurization device and a pressure relief device; the top of the ash storage tank is connected with a bag-type dust remover, a gas discharge outlet of the bag-type dust remover is connected with an inlet of a titanium tetrachloride condenser, an outlet of the titanium tetrachloride condenser is connected with atitanium tetrachloride collecting container, and the titanium tetrachloride collecting container is also connected with a suction system for collecting non-condensable gas; and the bottom of the ash storage tank is connected with a dust cooling device, and an outlet of the dust cooling device is connected with a packaging device. According to the dry treatment method, materials separated by the cyclone dust collector can be separated again, and titanium tetrachloride products and low-titanium slag which can be sold out are collected respectively. The low titanium slag dry method treating device and the dry method treating process can solve the problems of high treatment cost and high environmental protection pressure of a low titanium slag wet slag flushing method.

The invention provides a filter which comprises a first water treatment tank (100), a second water treatment tank (200), a filtering mechanism component and a demister; the filtering mechanism component is mainly composed of a one-level or multi-level filtering mechanism; the one-level or multi-level filtering mechanism is arranged on an outer wall of the shell of the first water treatment tank (100); the second water treatment tank (200) is connected with the first water treatment tank (100); the demister is arranged on the front-end process or rear-end process of the first water treatment tank (100) or on the front-end process or rear-end process of the second water treatment tank (200). The filter has an excellent filtering effect, is capable of removing particulate matters as well as foams from water, is suitable for the field of automobiles and is capable of realizing water recycling and online cleaning.

The invention provides a super-start water jet loom comprising a loom body (800) and a water treatment device; the loom body (800) and the water treatment device are all positioned on a set working site; the working site is provided with a waste water tank (700); the loom body (800) is arranged on the waste water tank (700) in a spanning manner; the water treatment device is distributed on one orboth sides, positioned along the width extension direction, of the waste water tank (700); the water treatment device includes a control box (400), a control panel (401) is arranged in the control box(400), and the control panel (401) includes a loom super-start control system. In the super-start water jet loom disclosed in the invention, space of a box body is reasonably distributed, an originally narrow walkway can be prevented from being occupied by too many parts on one side. Two phase over-modulation technologies are adopted in the loom super-start control system, a modulation ratio is increased, the amplitude value of fundamental wave voltage is compensated, IGBT switching frequency can be lowered, and switching loss can be reduced.