57results about How to "Does not occupy volume" patented technology

The invention relates to a scaleable camping lamp which comprises a main sleeve with a base and a light source component sleeved in the main sleeve, wherein a lifting rack and an elastic member are sheathed in the main sleeve, wherein the lifting rack is fixedly connected with the light source component, and the elastic member pushes against between the base and the lifting rack of the main sleeve; when the elastic member is in a free state, the light source component is extended out of the main sleeve; when the elastic member is in a compressed state, the light source component contracts in the main sleeve; and a locking member for preventing the elastic member in a compressed state from being extended is also arranged on the main sleeve. When the camping lamp is used, the light source component is extended out of the main sleeve to give out light. When the camping lamp is unavailable, the light source component contracts in the main sleeve, can prevent rain, humidity and also avoid being damaged due to the protection of the main sleeve, so that the service life of the light source component is prolonged and people can take an activity in the open at night.

The invention discloses portable diving equipment. The portable diving equipment comprises an energy supplying device, a floating body, an air inlet pipe, a breathing hose and a breathing device, wherein the floating body can support the energy supplying device and is fixed to the energy supplying device, the air inlet pipe is vertically installed on the diving equipment, and the breathing device is connected with the breathing hose. The diving equipment further comprises an air storing device, the air storing device is fixed to the floating body and communicates with the breathing hose, the air inlet pipe and an air inlet device of which power is supplied by the energy supplying device, and the air inlet device guides air to enter the air storing device from the air inlet pipe. According to the portable diving equipment, a storing air bag capable of floating on the water surface is adopted as an air supplying device and can drift at will along with a diver, the diver does not need to carry equipment such as a heavy cylinder on the back, therefore, physical strength is saved, and the flexibility is enhanced; the diving safety is greatly improved through the storing air bag, and even if power supply failures are generated, a red storing air bag floating on the water surface can store enough oxygen which can ensure that the user safely floats out of the water surface; when the portable diving equipment is not used, air in the floating body and the air bags can be exhausted, and therefore the portable diving equipment does not occupy space and is easy to carry.

The present invention discloses a PCBA RF isolation apparatus, characterized in that a PCBA board to be tested is detachably arranged on a support plate on the basis of use direction. The PCBA RF isolation apparatus comprises an upper shielding can and a lower shielding can, wherein the lower shielding can is arranged at the lower end of the support plate, the upper shielding can is arranged over the PCBA board to be tested, both the upper shielding can and the lower shielding can are provided with a plurality of cavities therein, a plurality of module shielding cases are detachably provided between the lower shielding can and the support plate, the plurality of module shielding cases are respectively arranged at upper and lower sides of the PCBA board to be tested through the upper shielding can and the lower shielding can, so that a shielding structure hardly occupies the extra volume; as both the upper shielding can and the lower shielding can are provided with the plurality of cavities therein, mutual shielding among a plurality of boards which are in test at the same time can be achieved, a module to be tested can be picked and placed conveniently, at the same time, a shielding effect also can be ensured; through the module shielding cases, shielding for a certain module is achieved, in this way, the shielding effect can be ensured, the whole structural design is simple and operation is convenient, and no extremely large volume is occupied.

The invention discloses a data storage and transmission system based on a ZYNQ chip, which comprises an upper computer and a master control device based on a ZYNQ development board, and is characterized in that the master control device comprises a display control interaction module, an internal communication module and a core processing module; the internal communication module is respectively communicated with the display control interaction module and the core processing module through network interfaces, the core processing module is controlled by an upper computer, realizes communication with external communication equipment through the internal communication module, and processes received data, continuously stores the data and stores work logs; the display control interaction module receives the operation state, the work log and the corresponding data of the core processing module through the internal communication module. According to the technical scheme of the invention, a high-speed and large-capacity transmission mode is provided, and the problems of data transmission and log storage later playback in an existing radar system are solved.

The invention discloses a method for dynamically controlling temperature of a central area of an array light emitting diode (LED) lighting lamp. According to the method, a characteristic that forward voltage drop of a positive-negative (PN) junction of an LED luminescent tube declines linearly along with the increasing of the temperature is utilized to detect the temperature of an LED lighting array; after a microprocessor acquires the temperature of each area, the on-time of the LED luminescent tubes on each level in the center area of an LED luminescent tube array are regulated in a pulse width modulation (PWM) way, and the average working current of the LED luminescent tubes is regulated, so that the temperature of the LEDs in different level areas in the center can be dynamically controlled, and the temperature is maintained in a range of (120+ / -5) percent of the temperature of LED lamps in an utmost periphery low-temperature area. By the method, under the condition that overall luminance is not influenced basically, the temperature of the center area of the LED luminescent tube array can be effectively reduced, the luminous efficiency of the LED luminescent tubes can be improved, the power consumption of the LED lamps can be reduced, and the service lives of the LED luminescent tubes in the center area and the whole LED lamp can be prolonged.

The invention discloses a method for producing rose vinegar by a pump reflux method. The method comprises the following steps: rinsing rice; steaming rice; cooling cooked rice; putting the cooked ricein a tank and erecting a nest; floating; adding water; fermenting; aging; squeezing; and sterilizing. The tank is cylindrical, the upper end of the tank is open while the lower end of the tank is provided with a cone-shaped or arc-shaped bottom; a mash discharge hole is formed in the lowest part of the cone-shaped or arc-shaped bottom of the tank; the mash discharge hole is connected to a refluxspray hole in the upper end hole of the tank through a pipeline; a liquid pump is arranged on the pipeline; and a grass cover is arranged on the upper end hole. The fermenting step comprises the following steps: (1) medium frequency large reflux fermentation control in early stage; (2) high frequency medium reflux fermentation control in middle stage; and (3) low frequency small reflux fermentation control in later stage. According to the method for producing rose vinegar by the pump reflux method disclosed by the invention, the production scale of the rose vinegar can be expanded, the yield of the rose vinegar is increased, the quality of the rose vinegar is stabilized and improved, and the labor intensity is alleviated.

The invention relates to the technical field of garbage transfer stations, in particular to a swing butt-joint oblique pressing type garbage compression transfer station. The swing butt-joint obliquepressing type garbage compression transfer station comprises a guide rail frame installed on the ground, a garbage can and two swing arm bases. The swing arm bases are connected with two swing arms correspondingly, a garbage compressor is connected to the upper portions of the multiple swing arms, the swing arm bases, the swing arms and the garbage compressor form a four-connecting-rod mechanism,and a feeding mechanism is further arranged on the garbage compressor. The swing arms drive the garbage compressor to integrally move, so that the garbage compressor is in butt joint with and is separated from the garbage can. The garbage compressor compresses and pushes garbage into the garbage can. A hopper mechanism is used for overturning and feeding garbage. In the swing butt-joint oblique pressing type garbage compression transfer station, the garbage compressor is separated from the garbage can, so that the garbage compressor does not occupy the internal volume of the garbage can, the garbage compressor can be prevented from being soaked in sewage, and the service life is guaranteed; and a hook arm vehicle can hoist the garbage can on site, and the space required in the horizontal butt joint direction is small.

The invention provides a water pump and cooling head integrated water cooling device which enables a water pump not to require extra mounting space for fixation and is small in occupied space and attractive. The water pump and cooling head integrated water cooling device comprises an upper cover plate and a micro-dissection cooling plate, and is characterized in that the water pump is arranged between the upper cover plate and the micro-dissection cooling plate. The water pump comprises a carriage, a coil, an impeller and a pump body, the upper end face of the upper cover plate is provided with a button switch, the upper end face of the carriage is provided with a contact switch, a membrane switch is mounted between the button switch and the contact switch in a squeezed manner, the coil is connected with the contact switch, and the upper cover plate covers the peripheral edges of the upper end face of the pump body. The impeller is sleeved onto the coil and positioned inside the pump body, the lower end face of the pump body is fixedly connected with the outer peripheral edges of the upper end face of the micro-dissection cooling plate, and O-shaped rings are arranged at the edges of an inner cavity of the pump body and a cooling portion of the micro-dissection cooling plate.

The invention provides a filtering device of an air storage tank, and belongs to the technical field of chemical equipment. The filtering device of the air storage tank comprises an outer pipe, and a filtering pipe which is mounted in the outer pipe by sleeving; the filtering pipe is of a hollow structure and comprises an airtight external wall, a cavity and a ventilate external wall; the external wall of the filtering pipe is clung to the internal wall of the external pipe; a drying agent is filled in the cavity; a filtering screen is arranged in the filtering pipe and is detachably connected with the filtering pipe; and the side edge of the filtering screen is clung to the external wall of the filtering pipe. The filtering assembly of the air storage tank is simple in structure and convenient to use, and can be fast arranged between an air compressor and the air storage tank to filter compressed air before being fed into the air storage tank, so as to prevent the air storage tank from being damaged by impurities, and as a result, the service life of the air storage tank is prolonged, and the cost of subsequent air purifying can be decreased.

A portable electronic device includes a first body, a second body and a guiding component. The first body and the second body are arranged adjacently, wherein the second body has a groove, which has a positioning part. The guiding component has a guiding piece which is fixed on the first body, the guiding piece is provided with a guiding part which is arranged in the groove by sliding, so that the second body can slide relatively to the first body. When the guiding part slides to the positioning part, the second body can rotate relatively to the first body, and blocks the guiding part in the positioning part, so that the second body forms an included angle relatively with the first body. The portable electronic device has convenient operation, little space usage and accords with ergonomics.

The invention discloses a medical reading device which comprises a base. The upper surface of the base is fixedly connected with a vertical rod. A sleeve movable up and down and rotatable relatively sleeves the vertical rod and is fixedly connected with a support plate. The upper surface of the support plate is fixedly connected to a reading light box. The reading light box is provided therein with a main reading light. A pair of reading lights is slidably installed on the upper end of the main reading light. The main reading light and an auxiliary reading light are positioned by a positioning mechanism. The lower surface of the support plate is fixedly connected a main support leg. A main support universal wheel is installed on the lower end of the main support leg in a relative rotation manner. The reading light box is arranged on the support plate through the vertical rod and the main support leg. Since the main support universal wheel is installed at the lower end of the main support leg, the support plate can rotate the reading light box at different angles so as for a doctor to read an image from different angles. The medical reading device is flexible and convenient to adjust and good in use effect.

The invention provides a self-help rescue device for expanding and shearing. The self-help rescue device for expanding and shearing comprises an upper bottom plate, a lower bottom plate, a threaded rod, a movable rotary type nut, a handle, a ratchet wheel and a connecting shaft. The upper bottom plate and the lower bottom plate intersect, wherein one end of the upper bottom plate and the lower bottom plate forms an opening portion, the other end of the upper bottom plate and the lower bottom plate forms an engagement portion, and the engagement portion is provided with a shearing mechanism. The threaded rod penetrates through the opening portion and is connected with the upper bottom plate and the lower bottom plate. A slotted hole is formed in the upper bottom plate. The movable rotary type nut is connected with the threaded rod in a threaded mode. The two ends of the movable rotary type nut are respectively provided with a lug portion. The lug portions penetrate through the slotted hole and are connected with the upper bottom plate. The ratchet wheel is arranged on the upper portion of the lower bottom plate and is connected with the threaded rod. The handle is connected with the ratchet wheel. The connecting shaft penetrates through the upper bottom plate and the lower bottom plate at the intersection position of the upper bottom plate and the lower bottom plate and is connected with the upper bottom plate and the lower bottom plate in an inserted mode.

The invention discloses a multi-temperature-area refrigerator adopting a vessel type free piston stirling cryocooler. The multi-temperature-area refrigerator comprises a refrigerator body and a refrigerating system; the refrigerator body comprises a refrigerating chamber, a freezing chamber and a temperature change chamber; the refrigerating chamber is positioned at the upper half part of the refrigerator body; the freezing chamber and the temperature change chamber are positioned at the lower half part of the refrigerator; the refrigerating system consists of a compression throttling refrigerating system and a stirling cryocooler-heat pipe system; the stirling cryocooler-heat pipe system comprises the vessel type free piston stirling cryocooler, a cold end gravity heat pipe, a heat end gravity heat pipe, a cold conducting copper sleeve and a heat conducting copper sleeve; a condensation section pipeline of the heat end gravity heat pipe is upwards arranged on the inner side of the left wall surface of a refrigerator shell; an evaporation section pipeline of the cold end gravity heat pipe is downwards arranged on the back wall surface and the left and right wall surfaces in the temperature change chamber; a condensation section of the cold end gravity heat pipe is connected with a cold head of the vessel type free piston stirling cryocooler through the cold conducting copper sleeve; and an evaporation section of the heat end gravity heat pipe is connected with a heat end of the vessel type free piston stirling cryocooler through the heat conducting copper sleeve.