38results about How to "Expand application area" patented technology

The invention discloses a half-covering heat pump refrigeration and heat supply method and its air conditioning system, comprising two-staged heat pump loop, the first stage to undertake sensible heat load and produces hot water with fairly low temperature or cold water with fairly high temperature for radiant heating and refrigeration or being used for surface convection recuperator. The second stage to undertake latent heat load and fresh air load, the two stages of heat pump are mainly covered by water loop which consists of radiation interchange surface or dry surface air heat exchanger, electric three way regulating valve and water pump, cold and hot water in air conditioning from first stage of heat pump heat exchanger flows into heat exchanger to exchange heat, being separated by three way regulating valve into two branch lines with one branch line joining with another one through heat exchanger of the second stage then back to heat exchanger through pump. The half-covering heat pump refrigeration and heat supply method has broken limitation of air source hot pump, extended the application area of air cooling heat pump, reduced energy cost, increasing air quality in room, totally speaking, it's a comfortable, energy saving air conditioning system.

The invention relates to an electrical source emission device and control method with a soft chopping wave characteristic. The device is formed by connecting a three-phase alternative current generator set with a ground load through an isolated direct current power supply, a soft chopping wave steady flow circuit and a current pulse generator. A passive lossless soft switch structure is adopted in the soft chopping wave steady flow circuit, the passive lossless soft switch structure is composed of a main switching tube VT1, a main diode D7, buffer capacitance Cr, energy-storage capacitance Cs, a buffer inductance Lr, a saturation inductance Ls, diodes ranging from Ds1 to Ds4 and filter circuits L2 and C3, and the structure can achieve the soft opening up and soft shutting off of the main switching tube VT1of soft chopping wave steady flow circuit, and the soft shutting off of the main diode D7. Compared with an existing hard chopping wave steady flow electric source transmission device, the power density of the instrument is improved, application region of the device is expanded, electromagnetic interference is reduced, and the steady flow accuracy of the device is improved. The device is within normal operation range, no extra voltage stress is introduced to the main switching tube VT1, the mean free error time is increased, and the service life of the device is prolonged.

An expansion anchor includes a load application element (16) provided on the stem (12; 32; 42; 52; 62) and extending up to first end (14; 34; 44; 54; 64) of the stem, an anchoring mechanism (21; 36; 46; 56; 66) provided on the stem (12; 32; 42; 52; 62) and a seal (26; 37; 47; 57; 67) arranged between the anchoring mechanism (21; 36; 46; 56; 66) and the first end (14; 34; 44; 54; 64) of the stem (12; 32; 42; 52; 62) and having over its axial extent along a longitudinal axis (13) of the stem (12; 32; 42; 52; 62) different radial dimensions.

The invention relates to a general airplane landing radial line navigation method. The general airplane landing radial line navigation method comprises the following steps of 1, building a landing radial line by airborne navigation equipment according to airplane real-time position information provided by an airplane instrument, navigation information provided by a ground navigation station, and a received landing radial line building instruction, carrying out calculation, and displaying the landing radial line and a reverse-direction extending line of the landing radial line by cockpit display equipment, and 2, carrying out landing according to the landing radial line and the navigation information provided by the ground navigation station, guiding an airplane to the reverse-direction extending line of the landing radial line, and adjusting the airplane to make it fly or land along a direction of the landing radial line. The general airplane landing radial line navigation method solves the problem that the existing landing navigation method has a large potential safety hazard in a zone without ground navigation facilities. The general airplane landing radial line navigation method is a real-time, visual, convenient and reliable airplane navigation calculation method, improves an implementation method of real-time flight guidance of a general airplane and pilot autonomous operation display, and provides a visual and accurate landing navigation method.

The invention discloses a PVC (polyvinyl chloride) alloy for ultrathin coextrusion and a preparation method of the PVC alloy. The PVC alloy comprises the following substances in parts by weight: 100 parts of PVC, 3-15 parts of titanium pigment, 3-7 parts of stabilizer, 3-16 parts of ACR (acrylate) processing agent, 0.1-2 parts of antioxidant, 0.3-2.0 parts of light stabilizer, 0-50 parts of ASA (acrylonitrile styrene acrylate), 0-50 parts of PMMA (polymethyl methacrylate), 0-10 parts of filling agent and 0-0.1 part of toner. According to the PVC alloy prepared by utilizing the preparation method, molds and devices utilized in an ultrathin coextrusion technique of PMMA or ASA are utilized; the PVC alloy, the PMMA/PVC and ASA/PVC coextruded section bar can be universally prepared by the molds and the devices, so that the investments on the devices and the molds for machining the PVC coextruded proximate matters are reduced; as the thickness of a coextruded layer is controlled to be 0.1-0.3 mm, the shock resistance of the PVC alloy is obviously superior to that of the coextruded proximate matters produced from pure PMMA or ASA particles, and the PVC alloy has good weather fastness.

The invention relates to an electrical source transmitter device with a self-adaption dummy load and a control method. The electrical source transmitter device is characterized in that a generator or a battery pack is connected with a direct current voltage stabilizing power supply, the direct current voltage stabilizing power supply is respectively connected to a transmitting branch and a self-adaption dummy load branch through a current sensor, a main controller is connected with a direct current constant current power supply through a constant current power supply control unit, is connected with a current pulse generator through a pulse generator control unit, and is connected with a self-adaption current stabilizing converter through a current stabilizing converter control unit, and the current sensor is connected with the self-adaption current stabilizing converter. Under the condition that the resistance value of the dummy load is unchanged, the generator or the battery pack keeps outputting in constant power, the operation is simple and convenient, the constant pulse current amplitude is ensured, the quality of emission current pulse waveform is improved, the size of the system is reduced, the weight of an instrument is lightened, the working stability of the transmitter is increased, the service life of the alternating current generator or the battery pack and the direct current voltage stabilizing power supply is prolonged, and the device can stably and reliably work in a complex field environment in a long time.

The invention discloses a flow battery energy storage system for wave power generation. The flow battery energy storage system comprises a charge device which is connected with a wave power generation device, a galvanic pile group which is connected with the charge device, and an electrolyte storage device which is connected with the galvanic pile group through a pipeline system, wherein the electrolyte storage device comprises a positive electrode electrolyte storage tank and a negative electrode electrolyte storage tank; a flow battery system is formed by the galvanic pile group, the pipeline system and the electrolyte storage tank; the charge device is used for charging the flow battery system by virtue of the electric energy output from the wave power generation device; after being separated from the galvanic pile group, the electrolyte storage tank can be loaded and transported away through transportation equipment. The flow battery energy storage system is used for achieving on-site storage, effective transfer and targeted release of electric power converted from wave power, and is relatively flexible and reliable when being compared with a power transmission mode by virtue of seabed cables.

The invention discloses a health assistance system based on health information acquisition and analysis. The system comprises a data acquisition module, a backend analysis module and a frontend interaction module. Multiple mechanisms which comprises an account number protecting mechanism, an encryption transmission mechanism and a user feedback mechanism are utilized. According to health expert opinions and an artificial intelligence algorithm, through perfecting the mode of a health characteristic table, a recommending article database is enriched. The system realizes relatively abundant frontend function designing and has certain user adhesiveness. The system has advantages of realizing low requirement and low dependence to a community hospital, reducing technology application difficultyand enlarging application area of technology. The system aims to perform a health assistance function and does not require to coping with challenges of many diseases, large individual difference andinsufficient measuring precision. Only suggestions of corresponding health characteristic to the user are required. The suggestions comprise science popularization health knowledge, sleeping, exercise, diet, etc. The system has a unified service management function which comprises auxiliary mechanism such as privacy protection, user right protection and insurance.

The invention discloses an air mixing device, a fresh air dust intercepting device for a base station and a cyclic purification joint control system for the base station. The air mixing device comprises a first housing and an air return control mechanism; the first housing is internally provided with an air flue for air circulation; the air flue is configured to be provided with an air inlet side,an air return side and an air outlet side; the air return control mechanism is configured for the air flue, and is used for controlling at least a part of the air return side to be opened or closed;the fresh air dust intercepting device for the base station comprises a second housing; the second housing is configured to be provided with an air inlet and an air outlet; an ionization section and adust collection device are sequentially arranged from the air inlet side to the air outlet side; the housing is internally provided with a self-cleaning system for cleaning the dust collection device; the fresh air dust intercepting device further comprises the air mixing device; the air outlet side of the air mixing device is connected with the air inlet of the fresh air dust intercepting devicefor the base station; and the cyclic purification joint control system for the base station comprises a fresh air system, an exhaust system, an air conditioner, a sensor and a controller; and the fresh air system comprises the fresh air dust intercepting device for the base station.

The invention discloses an airport runway vision and GNSS/inertial navigation combined positioning method. The method comprises a step of correcting GNSS/inertial navigation combined navigation positioning at the current moment by adopting the difference between vision positioning at the historical moment and GNSS/inertial navigation combined navigation positioning so as to improve positioning precision. According to the method, positioning precision is improved, and the method has no special requirement on the airport, and has important significance in improving adaptability of an aircraft to the airport and increasing the application area and application scene of the aircraft.

The invention discloses a wind and solar energy mutual compensating system for a greenhouse. The wind and solar mutual compensating system comprises a wind power device, an optoelectronic device, a storage battery and a wind and solar mutual compensating controller. In the system, output parameters of the wind power device and the optoelectronic device are detected and then inputted in the wind and solar mutual compensating controller to be processed; an electronic switch is controlled to be turned on or turned off according to the processing result and the energy demand of the greenhouse; and finally, any one of the wind power device, the optoelectronic device or the battery is chosen to supply power to the greenhouse. The system realizes the complex utilization of the wind and the solar; the wind and solar mutual compensating system also effectively increases the sufficient energy proportion of the greenhouse and the utilization rate of green energy; and at the same time, the application field of the field greenhouse is expanded.

The invention discloses a self-propelled lifting device for battery replacement of an electric vehicle, which comprises self-propelled lifting unit devices for synchronously lifting four wheels of the electric automobile, and is characterized in that each self-propelled lifting unit device comprises an AGV serving as a walking mechanism, a support frame and a lifting driving device. Two fork rods used for forking wheels are fixed to the front portion of the AGV, and the supporting frame is connected with the AGV through a lifting driving device and moves along with the AGV. The lifting driving device is connected with an automatic controller in the AGV and used for driving the AGV to ascend and descend relative to the supporting frame, and the supporting frame abuts against the ground to provide support for ascending and descending of the AGV. The electric vehicle lifting device can be put in places where electric vehicles need to be replaced anytime and anywhere, the vehicles are automatically lifted, using is flexible and convenient, bearing is stable and reliable, and the working efficiency is high.

The invention discloses a self-tracing lifting device for battery replacement of an electric automobile, the device comprises lifting unit devices for synchronously lifting four wheels of the electric automobile, and is characterized in that each lifting unit device comprises a walking mechanism and a lifting mechanism, and the walking mechanism comprises an AGV; the lifting device comprises a supporting frame and a lifting block connected to the supporting frame through a lifting driving device, two wheel supporting rods are fixed to the lifting block, and the lifting driving device is connected with an automatic controller in the AGV to drive the lifting block to ascend and descend; the supporting frame is installed on an AGVbody in a floating mode or rigidly fixed to the AGV body or integrally arranged on the AGV body, and the walking wheels are installed at the bottom of the AGV body in a floating mode; when the lifting unit device does not conduct lifting operation, the bottom of the supporting frame is suspended, and when the lifting unit device conducts lifting operation, the bottom of the supporting frame touches the ground to provide support for lifting of the lifting block. The device can be put in places where electric vehicles need to be replaced anytime and anywhere, the vehicles are automatically lifted, use is flexible and convenient, bearing is stable and reliable, and efficiency is high.

The invention discloses a deep tissue continuous suturing tool matching with a microscope or an endoscope in use, which is applied to the technical field of medical devices. The deep tissue continuous suturing tool comprises a pair of tweezers and a rotary shaft driving mechanism, wherein the tweezers comprise an upper tweezers body, a lower tweezers body and a handle fixedly connecting the upper tweezers body and the lower tweezers body, a shaft sleeve is arranged on the upper tweezers body, a rotating shuttle mechanism is arranged at a remote end of the shaft sleeve and comprises a rotating shuttle and a line shaft, a rotary shaft capable of driving the rotating shuttle to rotate is arranged in the shaft sleeve, a suturing needle correspondingly matching with the rotating shuttle mechanism is arranged at the remote end of the lower tweezers body, and a needle hole is formed in a tip of the suturing needle. The upper tweezers body and the lower tweezers body are pressed down and then are loosened, the rotary shaft driving mechanism can rotate a circle around the rotating shuttle, and meanwhile, the suturing needle and the rotating shuttle mechanism match to complete once suturing operation. The deep tissue continuous suturing tool imitates the design of the tweezers usually used in a surgery deep operation, so that the use is convenient, the space occupation rate is minimum, components are simple, a purpose of repairing devices by simply changing the components is achieved, and meanwhile, situations that excessive suturing and tissue injury caused by operation errors during the using of external power are avoided.