60results about How to "Meet volume requirements" patented technology

The invention discloses a bed and chair integrated nursing system with a rotary seat and a urination and defecation processing device. The bed and chair integrated nursing system comprises a bed and chair conversion mechanism and a bed body. The bed body is of a rectangular steel frame structure, and the bed and chair conversion mechanism is placed in the bed body. An opening is arranged on the side face of the bed body, and the bed and chair conversion mechanism moves along a marking line through recognition of a bottom surface paste marking line to achieve butting and separation of a bed and a chair. The bed and chair conversion mechanism can achieve conversion between the bed and the chair and adopts a seat structure capable of rotating 90 degrees so as to enable the bed and the chair to be high in reliability in a butting and separation process. Simultaneously, the urination and defecation processing device is arranged in the bed and chair conversion mechanism, and the problem of urination and defecation processing of a user is solved effectively. The bed and chair integrated nursing system has the advantages of being capable of moving in a narrow space and capable of butting against the bed body to form a bed state, simultaneously having personal hygiene assisting function, effectively solving the problem of urination and defecation self-care of the user and the like, being capable of greatly reducing burden of nursing staff, and simultaneously enlarging activity range and independent living capacity of a person who is cared.

The invention belongs to the technical field of microwaves and relates to a broadband circularly-polarized antenna for a handheld through-wall radar. The broadband circularly-polarized antenna sequentially comprises a radome 1, an upper patch layer 2, a PMI foam layer 3, a lower patch layer 4, a first dielectric layer 5, a coupling slot layer 6, a second dielectric layer 7, a feed microstrip 8 anda metal back cavity 9 from top to bottom, wherein a hollowed-out slot 61 is formed in the coupling slot layer 6; the shape of the feed microstrip 8 is a combined shape of a rectangle and a sector; and the metal back cavity 9 is a rectangular cavity with an open surface at one end and the open surface is toward the feed microstrip. According to the broadband circularly-polarized antenna, the technologies, such as slot-coupling feeding, a low-dielectric constant layer, laminated microstrip-coupled patches and a reflecting back cavity are comprehensively adopted, so that the antenna reaches theimpedance and beam bandwidth of over 30% under low profile requirements. The target of double-patch coupling resonance is achieved through tuning the transverse dimensions of upper and lower patches,and circular polarization is achieved by adopting the cutting angle design of the rectangular patches.

The invention provides a refrigerator and a method for controlling the same. The refrigerator comprises a freezing space, a refrigerating space, a temperature varying space, a compressor, a condenser, a freezing evaporator, a refrigerating evaporator, a freezing air channel, a refrigerating air channel, a temperature varying air channel, refrigerating fans and a refrigerating air door, wherein the outlet end of the freezing air channel is communicated with the freezing space; the outlet end of the refrigerating air channel is communicated with the refrigerating space; the temperature varying air channel is connected in parallel with the refrigerating air channel; the outlet end of the temperature varying air channel is communicated with the temperature varying space; the refrigerating fans are arranged between the refrigerating evaporator and the temperature varying air channel and between the refrigerating evaporator and the refrigerating air channel, and are used for blowing cold air which is generated by the refrigerating evaporator into the inlet end of the temperature varying air channel and the inlet end of the refrigerating air channel; and the refrigerating air door is arranged at the inlet end of the refrigerating air channel. By the refrigerator, temperatures of the freezing space, the refrigerating space and the temperature varying space can be controlled independently and are not interfered with one another.

The invention provides a heat radiating method and device, wherein the heat radiating method comprises the following steps of: detecting a temperature of a terminal device in real time; and driving a telescopic heat radiating fin to extend towards the outside of the terminal device according to the temperature and an unfolding condition. The heat radiating method and device not only meet the requirements on the terminal for the appearance and the volume, but also realize good heat radiation.

The invention provides an array structure and a realization method of an MEMS electro-spray thruster. The realization method comprises the following steps that 101, deep silicon etching and wet etching are conducted on a silicon wafer to obtain a mounting base (1); 102, an emitter (2) is obtained by conducting electrochemical etching on porous materials; 103, the emitter (2) is bonded on the mounting base (1); 104, a positioning and insulation layer (3) is obtained through silicon-glass-silicon anode bonding, glass etching and deep silicon etching; 105, the positioning and insulation layer (3) is bonded and connected to four corners of the mounting base (1) through an epoxy resin; 106, an electrode mounting frame (4) is obtained through deep silicon etching and wet etching conducted on the silicon wafer, and the electrode mounting frame (4) is bonded to the positioning and insulation layer (3) through the epoxy resin; 107, an extracting pole (5) and an accelerating pole (6) are obtained by conducting metal sputtering and electroplating on silicon based materials; and 108, a storing tank (7) storing propellants is connected with the emitter (2) through a boss on the storing tank (7).

The invention provides a current supplying component of a current protection device. The current supplying component comprises a power supply module and a low-voltage high current module. The power supply module supplies electricity for the low-voltage high current module; the low-voltage high current module comprises a low-voltage voltage limiting unit and a relay unit; loads of a tripping mechanism in the protection device are connected in parallel to two ends of the low-voltage voltage limiting unit; a protection triggering signal is responded, the relay unit conducts an access of the low-voltage voltage limiting unit, thus high current under low voltage is provided for the loads of the tripping mechanism; and the current supplying component can meet the small volume requirement of the protection device, the material cost of the protection device is reduced, and meanwhile low voltage and high current can be provided for the loads.

The invention provides a minitype capsule coffee machine. The minitype capsule coffee machine comprises a shell, a water tank, a boiler, a water pump, a capsule containing cavity, a guide tube, a brewing device and a water dripping box, wherein the water tank, the boiler, the water pump, the capsule containing cavity and the guide tube are arranged in the shell, and the brewing device and the water dripping box are arranged on the outside of the shell. The water outlet end of the guide tube is arranged in the capsule containing cavity, the brewing device is pivoted to the shell, and the side, facing the shell, of the brewing device extends outside to be provided with a hollow water jet cutter corresponding to the capsule containing cavity. The water dripping box is provided with at least one waste water collecting groove which extends into a first opening, the water dripping box is connected with the shell through the waste water collecting groove, and meanwhile the water dripping box can be dismounted from the shell and is assembled to the brewing device. According to the minitype capsule coffee machine, through reasonable structural arrangement, a puncturing device and a water storage device used for storing waste water are simplified, and a recovering device used for recovering coffee capsule waste shells is omitted. Accordingly, the structure is relatively simple, the size is smaller, and the demand for the size of the capsule coffee machine is met.

The disclosed miniaturized multi-frequency antenna comprises: a uniform-section conductor connection part for signal I/O, a LF first radiation part on one side of the connection part for forming three main segments along two planes, and a HF second radiation part forming two segments on one plane, wherein the ends of two radiation parts are paralleled for coupling performance. This invention reduces size and improves entire performance.

The invention discloses a rodless hydraulic transmission oil pumping system. The rodless hydraulic transmission oil pumping system comprises a hydraulic cylinder located at the underground and a hydraulic pump located at the ground; the hydraulic cylinder is arranged in the place with required depth in an oil pumping pipe pillar; the hydraulic pump is connected to the hydraulic cylinder through the hydraulic pipeline, and the hydraulic pump is the hydraulic pump for alternating sucking and discharging fluid at divided period; a fluid inlet and a fluid discharge opening are combined into one; the upper end of the hydraulic cylinder is connected to a production oil pipe, and the lower end is connected to a tail pipe; the middle part of the hydraulic cylinder is further provided with a piston rod driven by the hydraulic pump, the hydraulic pipeline transmits the fluid with alternative change in discharge and suction by the hydraulic pump to the underground hydraulic cylinder in the form of reciprocating motion; a piston in the hydraulic cylinder performs vertical reciprocating movement, and the hydraulic transmission oil exploration between the tail pipe and the production oil pipe is realized; therefore, the rodless hydraulic transmission oil pumping system is simple in structure, the fluid pipeline connection is more direct, the loop is effectively simplified, and efficiency is higher, and loss is less; the transmission is more controllable, the maintenance is convenient, and application scale is wide; besides, the pumping efficiency is greatly improved.

The invention discloses a pendulum sweeping and in-flight calibration assembly for double spectrum imagers. The assembly comprises two reflection pendulum mirrors which are arranged in a V shape and an aslant arranged calibration reflection mirror, the relative location between the two pendulum mirrors and the reflection mirror is fixed, and the two pendulum mirrors and the reflection mirror can rotate at plus or minus 90 degrees along a rotary shaft and are used for achieving a high-precision synchronous pendulum sweeping and in-flight calibration function of the double spectrum imagers. The pendulum sweeping and in-flight calibration assembly for the double spectrum imagers is compact in structure and easy to install and adjust because only one motion component is needed, and meets the requirements for weight, volume and reliability of board equipment well.

The invention relates to a cross line polarization monopole antenna for a pica-satellite. The cross line polarization monopole antenna comprises a first fixing medium, a second fixing medium, a folded metal connecting part, a folded medium, a first vibrator and a second vibrator. The first vibrator and the second vibrator are formed by elastic plate pieces. A feed IPX connector is arranged on the folded medium. The folded metal connecting part is connected with a feed point of the folded medium. According to the technical scheme, the first vibrator and the second vibrator are attached and fixed to the surface of a shell of the satellite in a wound mode before the satellite is delivered from a cabin, the structure is compact, and increase of the size of the satellite is avoided; after the satellite is delivered from the cabin, the first vibrator and the second vibrator are unfolded and restored to form a communication state of mutual perpendicularity, the first vibrator and the second vibrator are connected through the folded metal connecting part and fed through the feed point, vertically-polarized waves and horizontally-polarized waves can be radiated without an additional matching feed network, directional diagrams of the horizontally-polarized waves and directional diagrams of the vertically-polarized waves are mutually complemented, and satellite-ground communication when the satellite is in any state can be achieved by means of matching of a ground station of cross line polarization.

The invention relates to the technical field of agricultural information, and provides an agricultural nitrogen-containing pollution gas real-time monitoring system and a real-time monitoring method.The system provided by the invention comprises a filter, an enrichment device, a catalytic device, a second test unit, an electromagnetic valve, an air pump, an acquisition card, a relay and a temperature controller, wherein the catalytic device can convert nitrogen-containing pollution gas in the gas into nitrogen dioxide, and the concentration of the nitrogen dioxide is detected through the second test unit, so the concentration of the nitrogen-containing pollution gas generated by agricultural planting activities can be obtained. Furthermore, the system provided by the invention further comprises a first test unit, and the first test unit and the second test unit are combined, so the ammonia gas concentration and the nitrogen dioxide concentration can be obtained as required. When the system provided by the invention is used for monitoring the agricultural nitrogen-containing pollution gas, the total concentration of the nitrogen-containing pollution gas, the ammonia gas concentration and the nitrogen dioxide concentration can be simply, quickly and real-timely monitored without depending on manual operation, and the problems of time and labor consumption and the like of a traditional detection method are solved.

The invention is applicable to the technical field of antennas, and provides a slot antenna and an intelligent terminal. The slot antenna comprises a metal board, a low-frequency resonant circuit and a high-frequency resonant circuit, wherein the metal board comprises a ground end and an antenna end, a slot is formed between the ground end and the antenna end, and the low-frequency resonant circuit and the high-frequency resonant circuit are respectively connected onto two sides of the slot for realizing carrier aggregation between the low frequency band and the high frequency band. Through arranging the high-frequency resonant circuit and the low-frequency resonant circuit in the middle of the slot and working in a time-sharing or simultaneous mode via an independent feeder, an impedance matching network and a feed point, the high and low-frequency radiation performance of the slot antenna is improved, and the work requirements of the carrier aggregation technology and the size requirements of the intelligent terminal are met at the same time.

Embodiments of the invention disclose a current-limiting circuit and an illumination device. The current-limiting circuit comprises a one-way thyristor Q1, a triode Q2, a switch S1, a resistor R1, a resistor R2, and a load RL. The collector electrode of the triode Q2 is connected with the anode of the one-way thyristor Q1. The base electrode of the triode Q2 is connected with the cathode of the one-way thyristor Q1. The resistor R2 is connected between the base electrode and the emitter electrode of the triode Q2. One end of the resistor R1 is connected with one end of the switch S1. The anode of the one-way thyristor Q1 is connected with the other end of the switch S1. The control electrode of the one-way thyristor Q1 is connected with the other end of the resistor R1. The anode of the one-way thyristor Q1 is connected with an input end. The emitter electrode of the triode Q2 is connected with the load RL. The current-limiting circuit and the illumination device are advantaged by simple structure and small volume, and provides safe and reliable current for the load.

The invention relates to a broadband antenna, and belongs to the field of antennae. The broadband antenna comprises a metal board and a circuit board. The metal board forms an oscillator arm of the broadband antenna, and a first feed point is arranged on the metal board. The circuit board comprises a metal layer, the metal layer forms the other oscillator arm of the broadband antenna, and the metal layer is provided with a second feed point. The metal board and the circuit board are adopted as the oscillator arms of the broadband antenna respectively, and the problems that a broadband antenna in the correlation technology is complex in structure and large in occupied space, needs many materials and does not meet the size requirement for current electronic equipment are solved. The effects of simplifying the structure of the broadband antenna, reducing the occupied space, saving the materials and meeting the size requirement for the current electronic equipment are achieved.

The invention discloses an auxiliary beam of a bogie. The auxiliary beam comprises a shell forming a closed inner cavity, the shell comprises a partition plate arranged in the inner cavity, the partition plate divides the inner cavity into a first cavity and a second cavity, and the shell is further provided with an auxiliary beam which penetrates through the inside and the outside and is provided with a first air chamber interface and a second air chamber interface that are respectively communicated with the first cavity and the second cavity; the shell is further provided with a first differential pressure valve connector and a second differential pressure valve connector which penetrate through the inside and the outside and are communicated with the first cavity and the second cavity respectively. According to the auxiliary beam, the auxiliary beam of the bogie frame not only serves as a connecting piece for connecting the front cross beam and the rear cross beam, but also is divided into the first cavity and the second cavity at the same time and can be communicated with the inner cavities of the cross beams, so that the auxiliary beam serves as an additional air chamber of an air spring installed on the bogie frame, and the volume of the additional air chamber is increased. In addition, the auxiliary beam provides installation space for the differential pressure valve at the same time, so that the structure of the framework is compact.

The invention discloses an extensible air filter element combination device. The extensible air filter element combination device comprises a first air filter element combination device, a second airfilter element combination device or a third air filter element combination device, the air filter element combination device comprises a hexahedron fixing piece and a first air filter element combination module, the first air filter element combination module achieves expansion connection through the hexahedron fixing piece, and the hexahedron fixing piece is provided with a through type intersection point connecting channel and a bolt channel. By adopting the filter element combination device, air filter elements are recombined and connected, the defects in the prior art are overcome, and the function expansion of various forms and quantities of the filter element modules is realized through various connection modes of the filter element modules.

The invention discloses a volume adjustable delivery locker arranged outdoor and a method. The volume adjustable delivery locker arranged outdoor comprises a shell, a cover plate arranged on the shell, a plurality of vertical separators arranged on the shell, and a plurality of independent spaces separated by each vertical separators; a door is arranged on each independent space, an electric control door lock is arranged on each door, and a number label is arranged on each door; the volume adjustable delivery locker further comprises a display arranged on the shell, wherein a plurality of keysare arranged on the display; the volume adjustable delivery locker further comprises a controller, a compressor, and a condenser containing refrigerant; the cross section of the shell is rectangular,a vertical opening is formed on the middle of the shell, a stand column used for supporting the cover plate is arranged in the vertical opening, four retractors are arranged on the cover plate, a vertically deployable drape is arranged on each retractor. According to the volume adjustable delivery locker arranged outdoor, the volume of each independent space can be changed, the working efficiencyis improved, and the labor cost is reduced; users storing fresh food in a short term, such as fruits is convenient, and the convenience is brought to the life of people.