16results about How to "Save volume and space" patented technology

The present disclosure relates to a battery energy processing device and a vehicle. The device includes: an inverter, an energy storage element and a controller; the controller is used to: in a first preset state, control the inverter to charge and discharge the energy storage element and the battery to realize battery self-heating; in a second preset state, reuse the energy storage element and the inverter to form a voltage adaptation charging module, and control the inverter to charge the battery. In this way, in the first preset state, the energy storage element is used to realize battery self-heating, better maintain the battery temperature, ensure the vehicle driving ability, and the self-heating energy loss is small, the heat transfer is uniform, and the heating efficiency is high. In the second preset state, the battery energy processing device can also reuse the energy storage element and the inverter to form a voltage adaptation charging module, and control the inverter to charge the battery. That is, the battery charging and battery self-heating share a set of battery energy processing devices, realizing the multi-functional reuse of the battery energy processing device, saving component costs and volume space.

The utility model discloses a series common mode inductor and a circuit system, the inductor comprises a base plate, a magnetic core, a winding and a magnetic column, the base plate is provided with a first surface and a second surface which are opposite to each other, and the base plate is provided with a plate hole penetrating through the first surface and the second surface; the magnetic core is located on the first surface of the bottom plate, and a winding is wound on the magnetic core; the winding comprises a plurality of series coil groups, each series coil group is formed by connecting input ends and output ends of a plurality of coils in series, so that each series coil group is provided with an input end and an output end, and each input end and each output end respectively penetrate out of the second surface to the first surface through the plate holes; the number of the plate holes is twice that of the series coil groups; the magnetic columns are located on the magnetic core and located between every two adjacent series coil sets. According to the utility model, the inductor volume can be saved, and the special electrical performance is stable.

The wire shifting mechanism comprises a wire shifting assembly and a driving part, the wire shifting assembly comprises a base, a rotating shaft capable of rotating along the axis of the rotating shaft is connected to the base, and the rotating shaft is connected with a movable shifting rod parallel to the rotating shaft through a linkage rod; the movable shifting rod is used for shifting and gathering a plurality of material wires in a wire penetrating hole adjacent to the material waiting wire hole in the brush disc; the driving piece is directly or indirectly connected with the rotating shaft; the rotating shaft is driven by the driving piece to rotate along the axis of the rotating shaft, so that the movable shifting rod linked through the rotating shaft can move to the position between the wire penetrating hole and the wire waiting hole which are adjacent to each other in the brush disc, branched wires are shifted to one side of the wire penetrating hole, and the branched wires are prevented from being wound into the next group of strands by a clamping block on the wire bending mechanism; normal operation of the silk planting process is guaranteed, and silk planting quality and efficiency are improved.

The present invention discloses an electric wrench, belonging to the field of electric wrenches. The present invention includes a micro hydraulic push rod and an electric wrench. A motor is installed inside the electric wrench, a transmission gear is sleeved on the output shaft of the motor, a rotating rod is provided on the top of the electric wrench, a transition gear is sleeved on the rotating rod and meshed with the transmission gear, a square connecting block is sleeved on the middle of the rotating rod, a protective sleeve for installing a rotary cutter is fixed on one side of the square connecting block, a helical gear is fixed at one end of the rotating rod and installed on the protective sleeve, a gear of the same type and size as the helical gear is also installed at one end of the rotary cutter, and the two mesh together; wherein the top of the protective sleeve is set to be a plane without chamfers. The present invention makes further optimization on the electric wrench so that the electric wrench is not affected by the size ratio of the internal motor and the thickness of the protective shell when it is used. First, the protective sleeve on the electric wrench is optimized to be flat instead of arc-shaped to reduce the volume space.

The invention discloses a driving wheel mechanism treading force sensing device which comprises a driving wheel mechanism installed on a motor shaft on the outer side of an end cover of a hub motor and a torque sensing assembly arranged in the driving wheel mechanism, the driving wheel mechanism comprises a driving wheel installation sleeve, and at least one driving wheel is fixed to the outer portion of the driving wheel installation sleeve. The transmission wheel is used for being connected and fixed to an output wheel on a center shaft of the electric bicycle through a flexible traction piece, and pedals are fixed to the two ends of the center shaft through cranks. The torque sensing device is characterized in that the torque sensing assembly comprises a deformation shaft sleeve arranged on the motor shaft, a strain gauge is attached to the deformation shaft sleeve, and the inner circumference of the transmission wheel installation sleeve makes contact with the outer circumference of the deformation shaft sleeve through a plurality of bearings so that the radial component force, transmitted to the transmission wheel installation sleeve, of the middle shaft treading force can be transmitted to the deformation shaft sleeve. The pedal force sensing device of the driving wheel mechanism is higher in torque signal acquisition precision, simple in structure and easy to assemble.

The invention relates to the technical field of automatic testing, in particular to an automatic testing method and system based on artificial intelligence, and the method comprises the steps: collecting to-be-tested data of a to-be-tested system connected with a plurality of to-be-tested interfaces; through the signal conditioning module and the filtering gating module, performance indexes such as the signal-to-noise ratio, the spurious-free dynamic range and the common-mode rejection ratio of signals to be detected are improved, high-precision collection is achieved, and multi-channel parallel sampling is achieved through the ADC collection module. Input signal gating and power supply on-off control of tested equipment are realized through the gating switch control module, so that tested data can safely and quickly enter a monitoring state and are uploaded to the FPGA core control module, real-time data uploading and acquisition are completed, control and data storage of multiple pieces of test data are realized, and the data are combined and sent to the automatic test module. And automatic testing is carried out. Automatic test control of artificial intelligence is realized, and the efficiency of automatic test is improved.

The present invention relates to a baffle and an optical path based on scene temperature non-uniform correction. Based on the principles of diffraction optics and geometric optics, a parallel plate diffraction optical element with optical focal length is used as a non-uniform correction baffle of an infrared system. When the parallel plate diffraction optical element with optical focal length is used to perform non-uniform correction of the infrared system, the parallel plate diffraction optical element with optical focal length can change the object distance position of the infrared lens, and transform the infrared lens at an infinite object distance of normal imaging into an air layer at a limited distance under the non-uniform correction state. The air layer is imaged onto the focal plane of the infrared detector through the parallel plate diffraction optical element with optical focal length and the infrared lens, and then non-uniform correction is performed. The temperature of the air layer represents the actual temperature of the exterior scene, and non-uniform correction based on the scene temperature is realized.

The present invention relates to a self-locking power-off lifting device, comprising a fixed base plate, a composite shaft and a self-locking unit. The fixed base plate is hollowed out in the center with a guide hole tube, the composite shaft passes through the guide hole tube, the top end is connected to an external lifting device, and the bottom end is connected to an electrical device. The self-locking unit comprises a locking motor and a plurality of clamping blocks, the plurality of clamping blocks are located above the guide hole tube, a first conductive copper sheet is provided on the side wall of the composite shaft, and a second conductive copper sheet connected to a power source is provided on the inner wall of the clamping block; when the lifting device drives the composite shaft to rise, the plurality of clamping blocks come close to each other to clamp the composite shaft, and the first conductive copper sheet contacts the second conductive copper sheet to supply power to the electrical device. Compared with the prior art, the present invention replaces the redundant wires that are lifted and lowered with the electrical device with conductive copper sheets, reduces the volume space, and avoids the problem of redundant wires winding and heating; the self-locking unit and the composite shaft are clamped by mechanical force, and the weight of the electrical device is effectively transmitted by mechanical force, which significantly improves safety.

This utility model relates to the field of office supplies, and particularly to a foldable flat file box. It includes a base plate, a first horizontal plate, a second horizontal plate, a first vertical plate, a second vertical plate, and a third vertical plate, with a certain gap between the second and third vertical plates. The first horizontal plate is connected to the first vertical plate via a first adhesive plate, the first horizontal plate is connected to the second vertical plate via a second adhesive plate, the second horizontal plate is connected to the first vertical plate via a third adhesive plate, and the second horizontal plate is connected to the third vertical plate via a fourth adhesive plate. The first, second, third, and fourth adhesive plates have adhesive surfaces. The base plate is connected to a cover plate via a connecting plate. The file box also includes a paper presser, which includes a fixing part, a swing arm, and a torsion spring. This utility model file box can be completely flattened, facilitating transportation and saving space. The fixing part of the paper presser can be fixed to any of the following plates: the first horizontal plate, the second horizontal plate, or the first vertical plate, as needed.

The utility model relates to a kind of for ultrasonic ceramic impedance matching multi-channel integrated device, including integrated bottom plate, wherein, integrated bottom plate is provided with impedance matching input end and impedance matching output end, multiple parallel impedance parameter matching plates are connected between impedance matching input end and impedance matching output end, impedance matching input end is connected with drive circuit, impedance matching output end is connected with piezoelectric ceramic sheet.Compared with prior art, the utility model uses the design of integrated impedance parameter matching plate, by setting impedance matching input end and impedance matching output end on integrated bottom plate, connecting multiple parallel impedance parameter matching plates between impedance matching input end and impedance matching output end, to realize the purpose of multi-channel impedance matching, in the case where load impedance changes, it can be dynamically adapted to different impedance matching, and greatly reduce the volume space of entire device, it is beneficial to actual production and application.

The present invention belongs to the field of life-saving technology, and relates to an electric unlocking device, including an unlocking mechanism, a power spring assembly and a housing, wherein the unlocking mechanism further includes an electromagnet, a locking lever, a brake block assembly and a reset spring. The unlocking mechanism and the power spring assembly are both fixed on the housing, and the locking lever and the brake block assembly are interconnected and can move along a trajectory customized by the locking lever and its structure. When locking, the electromagnet is connected to the locking lever, and the brake block assembly is connected to the power spring assembly; when unlocking, the electromagnet is energized, the electromagnet is disconnected from the locking lever, and the brake block assembly and the power spring assembly are also disconnected accordingly, completing the unlocking work. The present invention adopts electromechanical control technology, can effectively control the output power and stroke, has high reliability, simple method and structure, is easy to implement, can be repeatedly used, and has low cost.

The application discloses a frequency-adjustable multifunctional pipeline acoustic end load, an implementation method and an application device, relates to the field of experimental measurement of acoustic performance of a muffler, and the air pipeline acoustic end load comprises an array of electroacoustic coupling structures and at least one shunt circuit module; the array of electroacoustic coupling structures comprises at least one electroacoustic coupling structure; a shunt circuit module is connected between the positive electrode and the negative electrode of the coil of each electroacoustic coupling structure; the shunt circuit module comprises an operational amplifier, a positive electrode unit, a negative electrode unit, a first resistor and a second resistor; the negative electrode unit comprises an adjustable impedance component. The application can effectively change low-frequency impedance, further accurately measure the low-frequency performance of the muffler, control noise at low frequencies, and adjust circuit elements to absorb noise of different frequencies without changing the mechanical structure. In addition, the acoustic experimental measurement of the muffler can also be realized by using a double sound source method.

This invention aims to overcome the shortcomings of existing foam pumps used in smart toilets and provide a foam pump for smart toilets with a simple structure and high foam generation and delivery efficiency. The foam pump includes a foam-generating component, a diaphragm pump component, a drive component, and a peristaltic pump component connected in sequence. The foam-generating component includes a flow divider, a bubble mesh structure, and a flow divider cover. The flow divider and the flow divider cover are connected to form a liquid inlet chamber, an air inlet chamber, and a mixing foam-generating chamber. The bubble mesh structure is disposed in the mixing foam-generating chamber. The liquid inlet chamber, the air inlet chamber, and the mixing foam-generating chamber are respectively connected to the diaphragm pump component. The peristaltic pump component includes a flexible tube with a foaming liquid inlet at one end and a liquid inlet at the other end. The drive component includes a motor, which is connected to the diaphragm pump component and the peristaltic pump component through a first output shaft and a second output shaft, respectively. The motor drives the diaphragm pump component and the peristaltic pump component simultaneously through the two output shafts.

The utility model provides a hair dryer and a tuyere thereof, and relates to the technical field of hair dryer accessories, the hair dryer comprises a body, the body is used for blowing out wind in the hair dryer, and the tuyere is used for conveniently blowing hair and providing different wind temperatures and wind gathering conditions when people blow the hair. The detachable comb is arranged at the air outlet end of the body, the other end of the body is connected with the hair drier, the comb is provided with a ventilation part for airflow to pass through, airflow can conveniently penetrate through the ventilation part, the comb can be separated from the body, the adjusting assembly is in a locked state, the comb is fixedly arranged on the body, and when the adjusting assembly is in an unlocked state, the comb is locked. The comb can be detached from the body, in this way, the hair drier body sharing one set of air nozzles is efficient, cost is reduced, material and resource waste is avoided, the comb is directly installed on the body when the comb needs to be used, the comb is directly detached when the comb is not used, meanwhile, the size space is saved, and carrying is convenient.

The present invention relates to the field of hydrogen storage technology in the field of hydrogen energy, and in particular to a non-welded metal hydride hydrogen storage device and a manufacturing method thereof. The device includes a tank body, a gas valve, a filter element, a tank body head, a porous stainless steel flow guide material, a hydrogen storage module and a supporting structure. The tank body includes a tube body, and the tube body is sent to the pier forming system by the manipulator on the shear head of the bimetallic composite contact pier press by an aluminum rod for two piers. The first pier press keeps the bimetallic wire segment coaxial, and the second pier press forms the aluminum rod into an integrally formed coverless cylinder; the top end of the tank body adopts a forward rotary wheel hot spinning closing process to obtain a semi-elliptical head, and then the semi-elliptical head is thickened and spun, and finally a circular hole forming spinning, surface flattening spinning and thread processing are performed, and the tank body head is connected to the gas valve in the form of a threaded connector. The device of the present invention has a simple structure, is easy to manufacture, and has good heat and mass transfer effects, and is suitable for large-scale industrial production.

The invention relates to the technical field of heat dissipation of vanadium redox flow battery stacks, and discloses a temperature self-adjusting device for a reduction flow battery storage tank. Comprising a complete efficient heat exchange device, a liquid flow temperature uniform distribution device and a heat dissipation box, the complete efficient heat exchange device comprises a built-in heat exchange tube bundle and a phase-change heat exchange structure, the built-in heat exchange tube bundle is located in the heat dissipation box, and the upper surface of the built-in heat exchange tube bundle is fixedly connected with an upper end box; an upper end liquid flow channel is arranged on the side surface of the upper end box, a cooling pipeline is arranged on the lower surface of the upper end box, and the upper surface of the cooling pipeline is communicated with the lower surface of the upper end box. The problems of rapid temperature rise and low-temperature-difference heat dissipation in a high-temperature environment can be effectively solved, so that the service life of the battery is prolonged, and the stability and reliability of the whole system are ensured.