42results about How to "Increase the occasion" patented technology

The invention relates to a frequency-modulable rotary piezoelectric power generation device, which belongs to the technical field of new energy, and is suitable for collecting rotary mechanical energy with wide frequency in the environment. The power generation device is composed of a frequency modulation component and an energy conversion component, wherein the frequency modulation component can be a first-stage frequency modulation component or a second-stage frequency modulation component or a frequency modulation component commonly functioning by combined action of the first-stage frequency modulation component and the second-stage frequency modulation component. The first-stage frequency modulation component comprises a pedestal, a first-stage frequency modulation bolt, upper and lower guide rods, a left bracket and a disk. The second-stage frequency modulation component comprises a second-stage frequency modulation bolt, a sliding block, a positioning block and a positioning block screw. The frequency-modulable rotary piezoelectric power generation device related by the invention has 4 structural forms. The Frequency-modulable rotary piezoelectric power generation device modulates the working frequency bandwidth of a rotary piezoelectric power generator by using the frequency modulation component, and broadens the application range and occasions of the rotary piezoelectric power generator.

The present invention discloses a single-drive rigid-flexible coupling precision motion platform, including a machine base, a linear guide rail, a rigid-flexible coupling motion platform, a linear driver and a displacement sensor, wherein the rigid-flexible coupling motion platform includes a rigid frame, flexible hinges and a core motion platform; and the core motion platform of the rigid-flexible coupling motion platform is connected with the rigid frame through the flexible hinges. In this arrangement, the single-drive rigid-flexible coupling precision motion platform disclosed by the present invention can realize high-accuracy continuous change displacements of the platform, thereby avoiding displacement “jitter” caused by sudden change of acceleration. The present invention further discloses a realization method and an application including the above platform.

The invention provides a device and a method for generating low-energy high-density plasma by multi-level ionization. The device is divided into three levels, wherein the first level is composed of a needle point electrode and a metal bar electrode; the second level is composed of a cannular metal electrode and the metal bar electrode; and the third level is composed of a metal mesh electrode and the metal bar electrode. The method for generating low-energy high-density plasma by multi-level ionization comprises the following steps: introducing in 5-50m3 / h gas; primarily ionizing the gas under the action of the first level of 50-100W power supply power; ionizing a plasma subjected to primary ionization by the second level of 50-100W power supply power to generate an even plasma with higher density; ionizing the plasmas ionized by the first level and the second level by the third level of 50-100W power supply power, and disturbing airflow by the level; and finally, under the action of low-power input, injecting even unbalance plasma jet flow of which the cross section diameter is 15-20mm, wherein the electron energy of the even unbalance plasma jet flow does not exceed 1ev, and an electron density magnitude is as high as 1022 / m<3>.

The invention discloses a magnetorheological fluid transmission device with variable power, belonging to the technical field of transmission devices. The magnetorheological fluid transmission device comprises a driving shaft, an upper box body, a driven rotor, an electromagnetic coil, a driving drum, a driven shaft and a lower box body, wherein the driving shaft penetrates through an end cover of a left bearing and a driving bearing and is connected with the end surface of the driving drum, the driven shaft penetrates through the driving drum and the end cover and is supported by a driven bearing, the driving drum has a partition structure, a plurality of gaps are partitioned in the driving drum, the driven rotor is positioned in the gaps partitioned in the driving drum and is connected with the driven shaft by a flat key, a gap is left between the inner wall of the driving drum and the outer wall of the driven rotor, magnetorheological fluid is filled in the gaps, and the installation position of the electromagnetic coil corresponds to the installation position of the driven rotor. The magnetorheological fluid transmission device has the beneficial effects that one or more driven motors is / are used according to the need of actual power transfer, the use range and occasions of the transmission device are enlarged, the driven motors can be used alternatively so as to reduce abrasion of surfaces of the driving and driven rotors, and the service life of the transmission device is prolonged.

Methods, systems, and devices for wireless communications are described for managing sounding reference signal (SRS) transmissions in shared radio frequency spectrum. Described techniques provide for increased occasions at which a SRS may be transmitted, enhance likelihood of a successful listen-before-talk (LBT) procedure, or any combinations thereof. Increased occasions for SRS may be provided through multiple transmission times that are available in the event of an earlier LBT failure. Enhanced likelihood of successful LBT may be provided through one or more timing offsets that may be randomly selected from a set of available timing offsets, selection of a cyclic prefix length for a SRS based on whether the SRS transmission is within or outside of a channel occupancy time of a base station, providing an initial SRS transmission time for an initial periodic time interval, triggering of an aperiodic SRS within the channel occupancy time, or any combinations thereof.

One of the embodiment of present invention includes at least one transmitter-receiver set including a transmitter and a receiver opposed with an object to be measured therebetween; and a transmission device that estimates the amount of the object based on the attenuation of electromagnetic waves that are transferred between the transmitter and the receiver of the transmitter-receiver set, and transmits information on the estimated amount of the object to be measured.

The present invention discloses dip angle type revolving seat for bending 3D bent pipe inside one common double-headed pipe bender. The dip angle type revolving seat includes one revolution body comprising one upper seat and one lower seat hinged mutually through one central pin shaft, and one locking device set between the upper seat and the lower seat for locking them. The upper seat and the lower seat can rotate around the pin shaft, and each of the upper surface of the upper seat and the lower surface of the lower seat has assembling side with assembling holes. The common double-headed pipe bender with the dip angle type revolving seat mounted may be used in bending not only 2D bent pipe but also 3D bent pipe.

A method for uplink burst equalization in broad wide access system, using the form of combining pre-training and burst equalization, that is, before transmitting user data, training the equalizer, then starting transmitting user data, in which, the equalizer uses decision user data as reference to track the changed wireless channel; if the change of channel exceeds the tracking region of equalizer, for example, the error rate exceeds threshold 1 but doesn't exceed threshold 2, the burst equalization will be performed; if the channel change exceeds the equalization region of equalizer, for example, the error rate exceeds threshold 2, the training will be performed again. By using the form of combining pre-training and burst equalization, setting different thresholds for handoff, the present invention greatly prolongs the intervals of subsequent pre-training process, thereby reducing the times of pre-training and increasing the effective bandwidth; By introducing burst equalization process, the present invention also decreases the requirement of system on operation occasion (for example, the static channel or the interval of bursts should be short), thereby increasing the application occasions of product.

An engine control device applied to a vehicle equipped with an actuator for changing a suspension property of the vehicle, a suspension control device for driving the actuator, and an engine. The engine control device automatically stops the engine operation when a stop condition is satisfied and automatically starts the engine operation when a start condition is satisfied. The engine control device continues the engine operation when a signal for inhibiting the automatic stop of the engine operation is sent to the engine control device in order to drive the actuator and the engine control device judges that no malfunction occurs in the suspension control device even if the stop condition is satisfied. The engine control device ignores the signal and automatically stops the engine operation when the stop condition is satisfied and judges that the malfunction occurs in the suspension control device even if the signal is sent to the engine control device.

The invention relates to a real-time vehicle backing trajectory display system and an equal-width trajectory line drawing method. The real-time vehicle backing imaging display system includes a processor module, a camera used for shooting vehicle backing images and a screen controlled by the processor module. The processor module is suitable for calculating vehicle backing trajectory lines according to the vehicle backing images, and rendering the vehicle backing trajectory lines on the screen in real time. According to the real-time vehicle backing trajectory display system, firstly, dependence of rear-view camera image viewpoint changes on use of a lookup table (LUT) is avoided, an applicable range and applicable occasions are extended, high-quality vehicle backing trajectories can be drawn on the premise of occupying fewer CPU processing ability resources, the problems of trajectory jumping changes, edge sawteeth, memory consumption and the like caused by using a trajectory databaseare solved, then the vehicle backing trajectory lines can be continuously updated in real time according to steering wheel angles, and simulation accuracy of the vehicle backing trajectories is guaranteed.

The invention discloses an industrial pole-climbing robot with an obstacle-surmounting function. The industrial pole-climbing robot comprises two mechanical arms mounted at a main body, wherein each of the mechanical arms consists of a crawling guide mechanism, a self-locking drive mechanism, a rotation detachment mechanism and a transmission mechanism; each crawling guide mechanism comprises tworubber wheels which are oppositely arranged and can be used for crawling; the rear ends of the crawling guide mechanisms are correspondingly equipped with the self-locking drive mechanisms; the self-locking drive mechanisms comprise connecting shafts connected with the crawling guide mechanisms; one side of each self-locking drive mechanism is connected with the corresponding rotation detachment mechanism through the corresponding connecting shaft; the rotation detachment mechanisms are capable of realizing the rotation with two degrees of freedom; and the rotation detachment mechanisms are driven by the transmission mechanisms arranged at the rear end. By virtue of the self-locking drive mechanisms and the rotation detachment mechanisms, the industrial pole-climbing robot with the obstacle-surmounting function achieves the climbing on guide poles with different diameters, realizes the obstacle-surmounting function and increases the application fields of the pole-climbing robot.

The invention relates to efficient hot-melt sticky insect glue and a preparation method thereof. The efficient hot-melt sticky insect glue is prepared from 25-30 parts of polyisobutene, 22-27 parts of pentalyn, 20-25 parts of C5 hydrocarbon resin, 10-15 parts of mineral oil, 2-4 parts of thermoplastic elastomers, 3-5 parts of atactic polyolefin, 1-1.5 parts of antioxidants and 0.5-1 part of anti-ultraviolet agents. The preparation method includes the steps that the mineral oil, the thermoplastic elastomers, the atactic polyolefin, the polyisobutene and the antioxidants are sequentially added into a reaction kettle, stirring is carried out after the temperature is raised to 100-110 DEG C, and the temperature is continuously raised to 135-145 DEG C; the pentalyn, the C5 hydrocarbon resin and the anti-ultraviolet agents are added, heated at the temperature of 110-120 DEG C and stirred for 20-30 min, discharge is carried out, and the efficient hot-melt sticky insect glue is obtained. The efficient hot-melt sticky insect glue is high in environment protection performance, and compatibility of all the components is good; besides, under the condition of 20-40 DEG C, the higher the temperature is, the higher viscosity is, the viscosity can be kept for a long time, and repeated glue coating is not needed.

The invention discloses an intelligent delivery system and a delivery method of the intelligent delivery system, and relates to the technical field of object sorting or delivering. The intelligent delivery system comprises a delivery cabinet, a postman mobile terminal, a pickup person mobile terminal and a background server. A plurality of storage cells and a control cell are arranged on the delivery cabinet. A control panel, a battery, a display screen embedded in the surface of the control cell, a keyboard embedded in the surface of the control call, and a control cell electronic control lock used for locking the control cell are arranged in the control cell. Each storage cell is provided with a storage cell bar code and a storage cell electronic control lock used for locking the storage cell. By means of the system and the method, the intelligent delivery and pickup functions can be achieved, information delivery is achieved through a mobile phone of a deliver, a control system is simplified, the long-time battery power supply can be achieved, the service life is long, places and occasions where the intelligent delivery system can be installed are greatly expanded, and by setting the new delivery method, the safety and reliability of the intelligent delivery system are improved.

An exhaust purification device is provided to selectively perform a combustion purge control and an exhaust addition purge control in response to an operation state of the internal combustion engine. The combustion purge control process is performed in the case where a NOx occlusion amount of a NOx catalyst is larger than or equal to a first threshold value, and the exhaust addition purge control process is performed in the case where the NOx occlusion amount of the NOx catalyst is larger than or equal to a second threshold value which is larger than the first threshold value.

This invention discloses a tritium luminotron making process, which contains glass tube single end enveloping, putting in tritium adsorption titanium bar or corpus cavernosum, vacuumizing, enveloping glass tube end, releasing tritium and enveloping and cutting tritium luminotron without any tritium leakage in productive process.

A soft box includes a housing and a main body detachably connected to the housing by a connecting device. The connecting device includes a first locking portion and a second locking portion. An installing base is connected to the bottom of the housing and the main body is embedded in the installing base, thereby the housing can rotate around the main body. The first locking portion passes through the installing base and the main body to tightly fix with the second locking portion. The housing includes a snap-fitting member and a light passageway which is a cylindrical hole and a flash lamp cap fixing device formed therein. The flash lamp cap fixing device includes a supporting platform and a pressing plate opposite to the supporting platform and having an adjustable position relative to the supporting platform. The present disclosure can quickly disassembly and be easy to carry.

An exhaust purification device is provided to selectively perform a combustion purge control and an exhaust addition purge control in response to an operation state of the internal combustion engine. The combustion purge control process is performed in the case where a NOx occlusion amount of a NOx catalyst is lager than or equal to a first threshold value, and the exhaust addition purge control process is performed in the case where the NOx occlusion amount of the NOx catalyst is lager than or equal to a second threshold value which is larger than the first threshold value.

The invention relates to an improved axial force balance mechanism of centrifugal pump impeller, which consists of a centrifugal pump impeller and a pump cover, wherein, the backside of the centrifugal pump impeller is fixed with a plurality of radial back blades; the radial back blades are arrayed along the circumference direction in a spacing manner; gaps are arranged between the radial back blade and the outer circumference of a shaft sleeve of the centrifugal pump impeller; the back end of the each radial back blade is fixed with a ring-shaped disc; the inner end surface of the pump cover is provided inside with a convex platform which extends into the gap between the radial back blade and the shaft sleeve of the centrifugal pump impeller. The back blade conducts a circumferential motion with the rotation of the impeller, the back blade can produce a pressure differential to balance an axial force or to reduce a volume loss or to reduce a soil and sand abrasion. The volume of the back blade in the invention is smaller than that of the prior back blade so as to reduce the material consumption quantity and simultaneously to reduce the processing hour as well; the requirement on the axial gap is not high, thereby the application scope and condition can be widened; when the impeller is rotated, the energy loss of the liquid is reduced, and simultaneously the axial vortex and the secondary backflow are reduced, the efficiency is improved.

A tablet computer support comprises a bottom support, bottom support screws, a telescopic support, a support adjusting screw rod, a support adjusting nut, a base supporting rod and adjusting nut, a base fixing nut, a base and a baffle plate. The baffle plate is arranged on the lower side of the base, a tablet computer is arranged on the baffle plate, the base supporting rod and adjusting nut is arranged at the bottom of the base and fixed onto the telescopic support, the support adjusting screw rod and the support adjusting nut are arranged on the telescopic support, the bottom support is arranged at the bottom of the telescopic support, and the bottom support screws are arranged on the bottom support. The tablet computer support capable of supporting the tablet computer is simple in structure, low in cost, high in stability and especially suitable for students, and comfort in use of the tablet computer and the like in occasions is improved.

An engine control device applied to a vehicle equipped with an actuator for changing a suspension property of the vehicle, a suspension control device for driving the actuator, and an engine. The engine control device automatically stops the engine operation when a stop condition is satisfied and automatically starts the engine operation when a start condition is satisfied, continues the engine operation when a signal for inhibiting the automatic stop of the engine operation is sent to the engine control device in order to drive the actuator and the engine control device judges that no malfunction occurs in the suspension control device even if the stop condition is satisfied, and ignores the signal and automatically stops the engine operation when the stop condition is satisfied and judges that the malfunction occurs in the suspension control device even if the signal is sent to the engine control device.

The invention discloses a three-dimensional adjustable loading and unloading vehicle platform and a using method thereof. A bearing platform of the loading and unloading vehicle platform comprises at least two rectangular tubular bearing pipe tables on the rear side and at least two bearing telescopic tables on the front side, and the rear portions of the bearing telescopic tables extend into the bearing pipe tables correspondingly. Telescopic rods are separately connected between the adjacent bearing pipe tables and between the adjacent bearing telescopic tables. Telescopic columns are connected to the bottoms of the bearing pipe tables and the bearing telescopic tables separately. The rear ends of the bearing pipe tables are connected with the front ends of getting-on and getting-off slope pieces through rotary joints correspondingly. According to the three-dimensional adjustable loading and unloading vehicle platform and the using method thereof, vehicle loading and unloading are facilitated, and loading and unloading efficiency is improved; the three-dimensional adjustable loading and unloading vehicle platform is reasonable in structure, convenient to adjust, small in size, small in occupied space, convenient to store, move and use and convenient to disassemble, maintain and repair; and the utilization rate of the loading and unloading vehicle platform is increased, the loading and unloading efficiency is improved, automatic or manual control can be achieved, operability is high, and the application range and occasions are enlarged.

The invention discloses a novel length adjustable dust collection filtering cloth bag which comprises a steel wire mesh, wherein the steel wire mesh is circular; an annular first sleeve ring is fixedon the edge of the top of the steel wire mesh; first fixing blocks arranged in a circumference array manner are fixed on a side of the first sleeve ring; first screw nuts are fixed at tops of the first fixing blocks; a first cylinder section is fixed inside the first sleeve ring through screws; a unit cylinder section is connected outside the first cylinder section through a second sleeve ring; the second sleeve ring is connected with the first cylinder section and the unit cylinder section through screws; second fixing blocks which are arranged in the circumference array are fixed on a side of the second sleeve ring; first sleeves are fixed at bottoms of the second fixing blocks. An overall length of the novel length adjustable dust collection filtering cloth bag can be adjusted accordingto practical situations, flexibility and convenience in use are achieved, the use occasions are widened, the use flexibility is improved, a stable framework of very high strength is formed as a whole, and the use process is very stable.

The invention belongs to the technical field of neck stretching devices, in particular to a neck stretching device capable of performing related pressing. The neck stretching device capable of performing related pressing comprises a lower jaw support member, a chest support member, a scruff support member, an upper connecting member, a lower connecting member and telescopic components, wherein themiddle part of the upper connecting member is rotatably connected with the middle part of the scruff support member; two ends of the upper connecting member are connected with two ends of the lower jaw support member; the middle part of the lower connecting member is rotatably connected with the middle part of the scruff support member; and two ends of the lower connecting member are connected with the two ends of the chest support member. According to the neck stretching device capable of performing related pressing disclosed by the invention, through the pulling effect of the upper connecting member and the lower connecting member, the scruff support member gets close to the neck of a user, so that the neck of the user is stretched; and through the extruding of the scruff support member, the neck is kept in a right bending angle, and the effect of stretching the neck of the user is improved; and besides, through the cooperation effect of stretching of the neck and lateral compression of the neck in a linking manner, time for independent adjustment when the user uses the neck stretching device is saved, and the using convenience is improved.

The invention discloses a two-wire cable power supply device, which comprises a power supply device and a first data coupling end and a second data coupling end respectively connected thereto; the first data coupling end and the second data coupling end are connected in series An isolation network for direct communication, used to isolate the DC power supply signal loaded by the first data coupling terminal and the second data coupling terminal, so that the first data coupling terminal and the second data coupling terminal output the positive and negative signals of the DC power supply respectively . The invention also discloses a two-wire cable power supply method, a two-wire cable power receiving device, a two-wire cable power receiving method, and a system and method for realizing power supply through the two-wire cable. Through the device, system and method disclosed in the invention, the application range and occasions of the PoE technology are expanded.

The invention discloses an intelligent delivery system and a delivery method of the intelligent delivery system, and relates to the technical field of object sorting or delivering. The intelligent delivery system comprises a delivery cabinet, a postman mobile terminal, a pickup person mobile terminal and a background server. A plurality of storage cells and a control cell are arranged on the delivery cabinet. A control panel, a battery, a display screen embedded in the surface of the control cell, a keyboard embedded in the surface of the control call, and a control cell electronic control lock used for locking the control cell are arranged in the control cell. Each storage cell is provided with a storage cell bar code and a storage cell electronic control lock used for locking the storage cell. By means of the system and the method, the intelligent delivery and pickup functions can be achieved, information delivery is achieved through a mobile phone of a deliver, a control system is simplified, the long-time battery power supply can be achieved, the service life is long, places and occasions where the intelligent delivery system can be installed are greatly expanded, and by setting the new delivery method, the safety and reliability of the intelligent delivery system are improved.

The invention relates to an improved axial force balance mechanism of centrifugal pump impeller, which consists of a centrifugal pump impeller and a pump cover, wherein, the backside of the centrifugal pump impeller is fixed with a plurality of radial back blades; the radial back blades are arrayed along the circumference direction in a spacing manner; gaps are arranged between the radial back blade and the outer circumference of a shaft sleeve of the centrifugal pump impeller; the back end of the each radial back blade is fixed with a ring-shaped disc; the inner end surface of the pump cover is provided inside with a convex platform which extends into the gap between the radial back blade and the shaft sleeve of the centrifugal pump impeller. The back blade conducts a circumferential motion with the rotation of the impeller, the back blade can produce a pressure differential to balance an axial force or to reduce a volume loss or to reduce a soil and sand abrasion. The volume of the back blade in the invention is smaller than that of the prior back blade so as to reduce the material consumption quantity and simultaneously to reduce the processing hour as well; the requirement on the axial gap is not high, thereby the application scope and condition can be widened; when the impeller is rotated, the energy loss of the liquid is reduced, and simultaneously the axial vortex and the secondary backflow are reduced, the efficiency is improved.

The invention relates to a frequency-modulable rotary piezoelectric power generation device, which belongs to the technical field of new energy, and is suitable for collecting rotary mechanical energy with wide frequency in the environment. The power generation device is composed of a frequency modulation component and an energy conversion component, wherein the frequency modulation component can be a first-stage frequency modulation component or a second-stage frequency modulation component or a frequency modulation component commonly functioning by combined action of the first-stage frequency modulation component and the second-stage frequency modulation component. The first-stage frequency modulation component comprises a pedestal, a first-stage frequency modulation bolt, upper and lower guide rods, a left bracket and a disk. The second-stage frequency modulation component comprises a second-stage frequency modulation bolt, a sliding block, a positioning block and a positioning block screw. The frequency-modulable rotary piezoelectric power generation device related by the invention has 4 structural forms. The Frequency-modulable rotary piezoelectric power generation device modulates the working frequency bandwidth of a rotary piezoelectric power generator by using the frequency modulation component, and broadens the application range and occasions of the rotary piezoelectric power generator.

The invention relates to the field of tension sensors, and discloses a wearable tension sensor for a gesture interaction system and a preparation method thereof. The wearable tension sensor comprises a flexible tension sensor and a hand fabric, wherein the flexible tension sensor is integrated on the hand fabric, and comprises a flexible blocking layer, a sensitive material layer, an electrode and a protecting layer which are sequentially arranged from bottom to top, and the sensitive material layer is of a three-dimensional porous structure. The invention also discloses the preparation method of the wearable tension sensor. The wearable tension sensor has the advantages that the sensitivity is high, the response is rapid, the sensor can be attached, worn and washed, and the functions of recognition on the gestures of users, gesture control and human-machine interaction are realized. The preparation method has the advantages that the process is simple, and the operation is convenient.