50results about How to "To achieve the purpose of portability" patented technology

The invention discloses a Fourier spectrometer based on a digital micromirror device. The spectrometer comprises a light source, a slit, a collimating lens I, a band pass filter, a diffraction grating, a focusing lens, a digital micromirror DMD chip, a collimating lens II, a mixing and focusing optical device set, a sample cell, a detector, an I / V switching amplifier, an analog to digital converter, a microprocessor and a liquid crystal display. A system of the spectrometer temporally and spatially modulates the detecting light source by using a DMD chip based on frequency division multiplexing, and then detects a sample to obtain a modulated light detecting signal, and finally demodulates the detecting signal by using the digital Fourier transform technology to obtain the complete spectrum of the sample. Compared with the traditional Fourier spectrometer, the spectrometer adopts the DMD chip to replace precision mechanical moving assemblies like the Michelson interferometer, thereby greatly increasing the reliability, reducing the cost and the instrument size and achieving the purpose of portability. The spectrometer has low requirements for use environments, the detection processis fast and accurate, and the signal to noise ratio is high.

A portable scooter consists of a handlebar vertical rod (3), a handlebar cross rod (2), a handlebar (1), a brake, a frame, a flywheel (27), a transmission mechanism, a front wheel (11) and a rear wheel (25). The frame comprises a front fame (5), a low frame (16), a front fork (10) and a connecting part (13). Two handlebar vertical rod shafts (4) are equipped at the both sides of the upper end of the front frame (5), and the front frame (5) is connected with the handlebar vertical rod (3) via the handlebar vertical rod shafts (4). The front frame (5) is provided with a rear wheel recess (6), a front wheel recess (7) and a fork end from top to end. The front fork (10) is equipped with a block device at the front end, and a fork pipe rack (12) at the rear end. The front fork (10) is inserted into the fork end of the front frame (5), and the front fork (10) is connected to the front frame (5) via a front shaft (9). The connecting part (13) is connected with the front fork (10) via the fork pipe rack (12), and with the low frame (16) via a middle shaft (15), and is provided with two handlebar holes (14). The low frame (16) is provided with the front wheel recess (28). The front wheel (11) is connected with the front fork (10), and the rear wheel (25) is connected with the low frame (16) via rear shaft (26). The scooter has advantages of small volume, light weight, rapid folding and is convenient and safe to ride.

The invention discloses an ultrasonic follicle inspection tester and an automatic analysis method thereof. The ultrasonic follicle inspection tester comprises an ultrasonic probe, an ultrasonic module, a power module, a battery, a transmitting module, a receiving module, a signal processing module, a wave beam synthesis module, a blood flow treatment module, a display module and an insulation shell. The ultrasonic probe is used for collecting ultrasonic signals which are transmitted by the transmitting module and reflected, then the ultrasonic signals are transmitted to the signal processing module through the receiving module, ultrasonic imaging is carried out through the wave beam synthesis module and the blood flow treatment module, then whether follicles are in a safety state or a to-be- ovulated state or an ovulation state can be directly prompted through three different colors by the display module, and the states can be sent to display equipment after WIFI encoding. The ultrasonic follicle inspection tester is a handheld micro ultrasonic instrument, the probe, the ultrasonic mainboard and the power source are microminiaturized, the ultrasonic follicle inspection tester can be placed in the hand to be operated, and the aim of facilitating carrying is achieved.

The invention an FSK-SSVEP demodulation system and demodulation algorithm, belonging to the field of brain-computer interface. The system consists of three modules: an SSVEP stimulation generator, anEEG signal acquisition device and a signal processing. After receiving the start signal, the subjects gaze at a specific stimulus; the EEG signal is collected and the command signal is obtained through a demodulation algorithm, and the subjects are prompted to stop gazing at the visual stimulator, thus stopping the data acquisition. The EEG signal acquisition device is used for collecting the SSVEP EEG signal generated by the subject through the fixation stimulation device, and the collected EEG signal is wirelessly transmitted to the software signal processing platform of the intelligent terminal. After receiving the EEG signal, the software processing platform performs preprocessing on the stored signal, and FSK-SSVEP signal demodulation and command recognition, and finally analyzes theeffective components of EEG signals and judges the commands that the subjects are watching.

The invention relates to a portable lampblack-less multifunctional barbecue grill, and belongs to the technical field of barbecue equipment. The portable smokeless multifunctional barbecue grill comprises a barbecue device, a kebab rotating device, an air feeding device, an oil catching device and a heat control device, wherein the barbecue device is used for providing a barbecue heat source whichcan prevent open fire from over-toasting kebabs through heat transfer holes formed around a hearth; the kebab rotating device is used for rotating the kebabs vertically placed in the barbecue deviceto realize oil-fire separation, coarse barbecuing and fine barbecuing; the air feeding device is used for feeding air to carbon fire in the hearth of the barbecue device; the oil catching device is used for recycling barbecue waste oil; the heat control device is used for controlling a heat supply flowrate of the barbecue device. The portable lampblack-less multifunctional barbecue grill disclosedby the invention solves the problems of pollution to air caused by a large amount of lampblack produced during barbecuing of conventional barbecue equipment, pollution to the environment caused by the waste oil, non-uniform heating caused by manual barbecuing, and the like. The portable lampblack-less multifunctional barbecue grill is relatively high in carrying flexibility, achieves lampblack-less barbecuing and has a high automatic control level.

The invention relates to a semiconductor refrigerated wearable cooling waistcoat. The semiconductor refrigerated wearable cooling waistcoat comprises a body surface temperature acquirer sewed, a human body heart rate acquirer and a semiconductor temperature adjusting mainframe, wherein the body surface temperature acquirer and the human body heart rate acquirer are sewed on the inner side of the waistcoat, the body surface temperature acquirer and the human body heart rate acquirer are respectively used for acquiring body surface characteristics of the body surface temperature of a human body and the human body heart rate and input the body surface characteristics to a central control unit of the semiconductor temperature adjusting mainframe in an electrical signal mode. The central control unit automatically performs water temperature adjustment according to the fed back human body characteristics and performs water temperature display and current display. The semiconductor temperature adjusting mainframe performs automatic heating and cooling switching through a program implanted by the central control unit. The semiconductor refrigerated wearable cooling waistcoat exposed in a heat source environment brings away human body heat through water circulation to achieve the cooling purpose and achieves the purpose of automatic circulating temperature control through real-time monitoring and feedback on the human body surface temperature, heart rate and other body surface characteristics of the human body and the predetermined program of the central control unit.

A portable electric welding device include a welding machine body, A left side of that main body of the electric weld is provided with a cavity, A telescopic rod is vertically arrange inside that cavity, the top end of the telescopic rod is fixedly installed with a pull handle, one side of the telescopic rod is uniformly provided with a slot, a plug rod is installed at the top of one side of the cavity, The bottom end of the right side of the welding machine main body is provided with a power supply wire, and the top end of the right side of the welding machine main body is provided with a storage device. The universal wheels are installed at four corners of the bottom end of the welding machine main body, and the operation buttons are installed on the front surface of the welding machinemain body. The invention is convenient to carry, and does not reduce the stability of the device, and is convenient to replace the positive connection method and the negative connection method when the operator works, so as to reduce the working time of the operator, increase the working efficiency of the device, and additionally protect the power supply cord and facilitate the collection of the power supply cord.

The invention relates to a portable scooter. The portable scooter comprises a handle vertical rod, a handle cross rod, a handle, a brake, a frame, a flywheel, a transmission mechanism, a front wheel and a rear wheel, wherein the frame comprises a front frame, a lower frame, a front fork and a connecting piece; the two sides of the upper end of the front frame are provided with handle vertical rodshafts, and the front frame is connected with the handle vertical rod by virtue of the handle vertical rod shafts; the front frame is provided with a rear wheel containing groove, a front wheel containing groove and a forking end from top to bottom; the front end of the front fork is provided with a locking device, the rear part of the front fork is fixedly provided with a fork vertical pipe frame; the front fork is inserted into the inner side of the forked end of the front frame and is connected with the front frame by virtue of a front shaft; the connecting piece is connected with the front fork by virtue of the fork vertical pipe frame, is connected with the lower frame by virtue of a middle shaft and is provided with a handlebar inserting hole; the front wheel containing groove is arranged on the lower frame; the front wheel is connected with the front fork; and the rear wheel is connected with the lower frame by virtue of a rear shaft. According to the portable scooter, under the condition of adopting 8-inch wheels, the folded size is 50mm*20mm*8mm, the weight is light, the folding speed is high, and the ridding is convenient and safe.

The invention provides a foldable portable electric vehicle which comprises a front wheel, a front fork, a T-shaped handle, a frame and a rear wheel. A main supporting rod is arranged on the front fork, the bottom of the main supporting rod is rotationally connected with the front fork, and a saddle is arranged at the top of the main supporting rod; the T-shaped handle is provided with a T-shapedhandle shaft connected with the front fork, and the T-shaped handle shaft is sleeved with a sliding block; the frame is composed of two S-shaped bent rods arranged oppositely, the front end of the frame is rotationally connected with the sliding block, a sliding rod is arranged on the rear portion of the frame, the fixed end of the sliding rod is rotationally connected with the rear portion of theframe, the movable end of the sliding rod is rotationally connected with the middle of the main supporting rod, and a switch for limiting movement of the sliding rod is further arranged on the frame.The frame, the main supporting rod and the T-shaped handle can be folded to parallel positions, the occupied space is small after folding, the folding effect is good, and the effects of one-key folding and no redundant folding action can be achieved. Meanwhile, the rear wheel is exposed after folding, so that a user can drag the vehicle to achieve the purpose of portability.

A portable photoelectric power source is consisted of a photoelectric board, an electric condenser and a stabilizer, wherein the photoelectric board is composed of a plurality of thin-striped polycrystalline solar cell sheets through series connection, and the electric energy transformed by the photoelectric board is stored with the electric condenser. the electric condenser is composed of a plurality of rechargeable batteries through series connection, and the stabilizer is used for stabilizing the output voltage. The present invention can store the electric energy generated by any irradiation such as sunlight and light, as well as can be used with recharging and discharging repeatedly.

The invention relates to a portable bicycle, which is characterized in that a bicycle seat frame is arranged on a lower bicycle frame; the portable bicycle comprises a bicycle seat, a seat rod, a rear upper fork and a rear upper fork frame; the lower end of the seat rod is connected with the front end of a front wheel accommodating groove of the lower bicycle frame through a seat rod shaft; the bicycle seat is arranged at the upper end of the seat rod; the upper end of the rear upper fork is connected with the seat rod through a rear upper fork shaft; the rear upper fork frame is fixedly connected with the rear end of the front wheel accommodating groove on the lower bicycle frame; a front bicycle frame, the seat rod, the lower bicycle frame and the rear upper fork are respectively made of two rectangular parallel flat plates which are arranged symmetrically, so that a front bicycle wheel and a rear bicycle wheel are inserted in a gap between the parallel flat plates when the bicycle body is folded, therefore the volume of the folding bicycle is largely reduced. On the condition of adopting a bicycle wheel with a diameter of 10 inches, the folded size of the portable bicycle disclosed by the invention is 64 cm * 25.4 cm * 9.5 cm; and the portable bicycle has the advantages of light weight, high folding speed and convenience and safety for riding.

The invention provides a portable shopping bag. The portable shopping bag comprises a main body, the main body is internally provided with a placement cavity, the portable shopping bag also includes a storage piece and a storage rope, the storage piece is internally provided with a storage cavity and externally provided with a storage port, the storage port is communicated with the storage cavity, a rotary column is disposed above the storage piece, one end of the storage rope is fixed on the rotary column, and the other end is connected to the main body. According to the arrangement, rotation of the rotary column can drive the storage rope to move so as to get the main body into the storage cavity from the storage port, thus reaching the purpose of easy carrying. Also, after storage, the shopping bag is beautiful and elegant, and a better main body protection effect can be achieved through the storage piece, thereby guaranteeing the overall service life. When damage occurs, the storage rope is directly taken down from the rotary column directly for replacement, and the replacement is convenient.

The invention relates to computer human body input equipment, in particular to a portable computer keyboard. The portable computer keyboard comprises left-hand operation keys, right-hand operation keys and number keys, wherein the left-hand operation keys and the right-hand operation keys are arranged on a top-layer panel; the top panel is formed by splicing a left part and a right part; the left-hand operation keys and the right-hand operation keys are respectively arranged on two parts of the top-layer panel; and the number keys are arranged on a bottom-layer panel, and at least one of two parts of the top-layer panel is matched with the bottom-layer panel in a guiding and anti-falling mode in the left-right direction, and the bottom-layer panel and the number keys are shielded by the top-layer panel when the two parts of the top-layer panel are spliced together and exposed when the two parts of the top-layer panel are separated. When the portable numeric keyboard is used, the numeric keyboard can be exposed by moving the corresponding part of the top panel, so that the numeric keyboard is convenient for an operator to use, and when the numeric keyboard is not used, the size of the keyboard is reduced by splicing the two parts of the top panel, so that the purpose of portability can be achieved.

The invention belongs to the technical field of anchor drilling machines, and provides an ultra-light portable trestle drilling machine. The ultra-light trestle drilling machine comprises a main supporting column for upward and downward jacking. A locking disc is arranged in the middle of the main supporting column, and is provided with a fixing shaft along the axis. A friction disc sleeves the fixing shaft, a fixing support is arranged on the friction disc, and a guide rail is arranged on the fixing support. A rotating main machine is arranged on the guide rail slidably, and a locking nut connected with a locking handle is arranged at one end, away from the locking disc, of the fixing shaft through an outer thread. By the ultra-light portable trestle drilling machine, the problems that the drilling angle of the anchor drilling machines in the prior art cannot be adjusted after being docked and the universality is low are solved.