34results about How to "Decrease the speed of increase" patented technology

The invention belongs to the technical field of hydraulic equipment, and specifically discloses a two-way quick hydraulic cylinder. The two-way quick hydraulic cylinder comprises a cylinder barrel, apiston and a piston rod, wherein a sleeve is arranged at the outer side of the cylinder barrel; one end of the cylinder barrel is connected with a pushing rod; the other end of the cylinder barrel isconnected with a sealing disc; the sealing disc is in sliding and sealing connection with the sleeve; a plurality of oil conducting holes are formed in the sealing disc; one end of the sleeve is connected with a bottom disc; a plurality of first elastic pieces are connected on the bottom disc of the sealing disc; a central hole is formed in the shaft center of the bottom disc; the piston rod is fixedly connected with the bottom disc through the central hole; one end, connected with the pushing rod, of the cylinder barrel is in sliding and sealing connection with a fixed ring; the piston rod isin sliding and sealing connection with the central hole of the bottom disc; an oil outlet hole is formed in the cylinder barrel; and a through oil inlet hole is formed in the piston rod in the axialdirection. The two-way quick hydraulic cylinder is mainly used on hydraulic equipment, and solves the problem that telescopic length is inaccurate as a result of high telescopic speed at the last telescopic stage of the hydraulic cylinder.

The present invention relates to a remote control IC having a circuit for pumping up current of an output port and a remote controller implemented to be capable of operating with one battery of about 1.5V using the IC. In the remote controller, an infrared LED emits light through the remote control IC, so that signals are transmitted to devices to be controlled such as a television set.; In order to perform all functions normally even at low voltage and particularly to secure a sufficient transmission distance by driving the infrared LED, the present invention implements a remote controller comprising a remote control IC having a circuit for pumping up output current of an output port, which needs high output current, even at low voltage, and a battery of about 1.5V for driving the remote controller, wherein the infrared LED is driven by the pumped up output current of the output port of the remote control IC, whereby the remote controller can maintain a sufficient transmission distance with only one battery of about 1.5V.; The output port according to the present invention has an output current pumping circuit for detecting a level of power voltage according to the drop of the power voltage, boosting the power voltage, and supplying a voltage boosted higher than the power voltage to the gate of a MOS transistor to obtain output current of high voltage. The output current pumping circuit comprises a power voltage detection unit for determining a level of the power voltage, a boost circuit unit for boosting the power voltage depending on an effective signal of the power voltage detection unit, and a data conversion unit for receiving the changed (boosted) power voltage and controlling the changed (boosted) power voltage in response to a transmission signal to supply gate voltage of the MOS transistor for outputting final current.

The invention relates to a sweeping device of a sweeper truck, belonging to the field of cleaning technology for a street. The sweeping device of the sweeper truck comprises an inner bracket and an outer bracket which are arranged at the front end of the sweeper truck, wherein the inner bracket is provided with a first rotating shaft and a swing oil cylinder; the outer bracket is provided with a second rotating shaft and a sweeper; an upper connecting rod, a lower connecting rod and a lifting oil cylinder are articulated between the first rotating shaft and the second rotating shaft; a first parallel four-bar mechanism is formed by the upper connecting rod, the lower connecting rod, the first rotating shaft and the second rotating shaft in a vertical plane; meanwhile, when the swing oil cylinder moves, a second parallel four-bar mechanism is formed by the inner bracket, the outer bracket, the first parallel four-bar mechanism and an elastic connecting rod in a horizontal projection plane. The sweeping device of the sweeper truck has the advantage of being capable of sweeping garbage at a transverse concave part.

An electrowetting pixel structure includes a substrate, a hydrophobic dielectric layer, a non-polar liquid, a polar liquid, at least one electrode, and at least one contact hole. The hydrophobic dielectric layer is formed on the substrate, the non-polar liquid covers one surface of the hydrophobic dielectric layer, and the polar liquid is provided on the hydrophobic dielectric layer where the non-polar liquid and the polar liquid are immiscible. The electrode is formed on the substrate and divides the substrate into an electrode section and a non-electrode section. When a voltage is applied to the electrowetting pixel structure, the non-polar liquid contracts on the hydrophobic dielectric layer and is confined to an area substantially overlapping the non-electrode section. The contact hole is formed on the substrate at a position away from the non-electrode section of the electrowetting pixel structure.

The present invention relates to a remote control IC having a circuit for pumping up current of an output port and a remote controller implemented to be capable of operating with one battery of about 1.5V using the IC. In the remote controller, an infrared LED emits light through the remote control IC, so that signals are transmitted to devices to be controlled such as a television set.; In orderto perform all functions normally even at low voltage and particularly to secure a sufficient transmission distance by driving the infrared LED, the present invention implements a remote controller comprising a remote control IC having a circuit for pumping up output current of an output port, which needs high output current, even at low voltage, and a battery of about 1.5V for driving the remotecontroller, wherein the infrared LED is driven by the pumped up output current of the output port of the remote control IC, whereby the remote controller can maintain a sufficient transmission distance with only one battery of about 1.5V.; The output port according to the present invention has an output current pumping circuit for detecting a level of power voltage according to the drop of the power voltage, boosting the power voltage, and supplying a voltage boosted higher than the power voltage to the gate of a MOS transistor to obtain output current of high voltage. The output current pumping circuit comprises a power voltage detection unit for determining a level of the power voltage, a boost circuit unit for boosting the power voltage depending on an effective signal of the power voltage detection unit, and a data conversion unit for receiving the changed (boosted) power voltage and controlling the changed (boosted) power voltage in response to a transmission signal to supply gate voltage of the MOS transistor for outputting final current.

The invention relates to the technical field of flow pumps, and discloses a pressure stabilizing pump for an automatic hot melt adhesive coating machine. The pressure stabilizing pump comprises a pumpbody cover, wherein a fixing flange is arranged on the outer surface of the bottom of the pump body cover, an air pressure inserting pipe is arranged on the position, located on the outer surface ofthe bottom of the pump body cover, of the inner side of the fixing flange, a positioning plate is arranged on the position, located on the inner side of the pump body cover, of the outer surface of the top of the air pressure inserting pipe, an air bag is arranged on the position, located on the inner side of the air pressure inserting pipe, of the outer surface of the bottom of the positioning plate, a first sliding plate is arranged on the position, located on the inner side of the pump body cover, of the outer surface of the top of the positioning plate, an extendable pipe is arranged on the position, located inside the pump body cover, of the outer surface of the top of the first sliding plate, and a second sliding plate is arranged on the position, located on the inner side of the pump body cover, of the outer surface of the top of the extendable pipe. According to the pressure stabilizing pump for the automatic hot melt adhesive coating machine, through the principle that heat inside the hot melt adhesive coating machine is reduced while air pressure is reduced in the using process, gas inside the pressure stabilizing pump is compressed to be conveyed so as to achieve the pressure stabilizing effect.

The invention belongs to the technical field of hydraulic equipment, and specifically discloses a two-way quick hydraulic cylinder. The two-way quick hydraulic cylinder comprises a cylinder barrel, apiston and a piston rod, wherein a sleeve is arranged at the outer side of the cylinder barrel; one end of the cylinder barrel is connected with a pushing rod; the other end of the cylinder barrel isconnected with a sealing disc; the sealing disc is in sliding and sealing connection with the sleeve; a plurality of oil conducting holes are formed in the sealing disc; one end of the sleeve is connected with a bottom disc; a plurality of first elastic pieces are connected on the bottom disc of the sealing disc; a central hole is formed in the shaft center of the bottom disc; the piston rod is fixedly connected with the bottom disc through the central hole; one end, connected with the pushing rod, of the cylinder barrel is in sliding and sealing connection with a fixed ring; the piston rod isin sliding and sealing connection with the central hole of the bottom disc; an oil outlet hole is formed in the cylinder barrel; and a through oil inlet hole is formed in the piston rod in the axialdirection. The two-way quick hydraulic cylinder is mainly used on hydraulic equipment, and solves the problem that telescopic length is inaccurate as a result of high telescopic speed at the last telescopic stage of the hydraulic cylinder.

The invention discloses equipment for preventing an automobile shell from icing, which comprises sliding grooves which are symmetrically arranged front and back, racks are fixedly arranged at the bottoms of the sliding grooves, moving mechanisms are arranged on the upper sides of the racks, power mechanisms are arranged on the upper sides of the moving mechanisms, unfolding mechanisms are arrangedon the upper sides of the power mechanisms, and high-pressure mechanisms are arranged on the left sides of the unfolding mechanisms; and electric telescopic rods are fixedly arranged on the upper sides of the unfolding mechanisms. By using the equipment, the situation that when an automobile is parked outdoors, the outer side of the automobile is frozen due to rainy and snowy weather can be avoided, the contact area of the equipment and an automobile shell is reduced by arranging a contact device, ice at the contact position of the equipment and the automobile can be rapidly melted through self-heating, and the automobile is prevented from being frozen. The situation that the equipment adheres to the automobile shell in rainy and snowy days and cannot be separated from an automobile can be avoided, the equipment can achieve the heat preservation effect on the automobile by arranging the equipment is frozen and cannot shrink can be prevented, and the shrinking speed can be increased.

The invention belongs to the technical field of virtual reality, and in particular discloses a fire drill virtual training method. According to the method, a pair of VR glasses comprises a glasses main body, and further comprises a telescopic rod and an elastic pressing head, wherein a No.1 rectangular groove is arranged in the middle of the glasses main body; the telescopic rod is fixedly connected to the interior of a mounting hole in the left side of the No.1 rectangular groove; the elastic pressing head is hinged at the end of the telescopic rod; and two semi-arc surfaces of the elastic pressing head are arranged in a mode of being mutually tangent. According to the fire drill virtual training method provided by the invention, by arranging the elastic pressing head at the end of the telescopic rod, rapid installation of electronic equipment is achieved; the two semi-arc surfaces of the elastic pressing head are squeezed and get deformed, so that the electronic equipment cannot bearexcessive squeezing force in one aspect, and subsequently, the safety of the electronic equipment is guaranteed; and in the other aspect, a contact area is increased, so that the electronic equipmentcan be clamped more reliably and influence to virtual effect of the glasses due to shaking of the electronic equipment can be prevented; the electronic equipment, when needs to be taken out, can be pulled out with strength; and therefore, the pair of VR glasses is convenient to operate.

The invention relates to a current control temperature method based on global position system (GPS) space-time compensation. The method comprises the steps that after the master controller is initialized, the master controller judges and conduct updating compensation on an initial current through related subprograms, a thermocouple conducts real-time sampling on information such as cable core temperature, jacket temperature and environment temperature, and sends the real-time sampling to an analog quantity conversion interface of a controller through a transmitter module, and the sampling is converted to be final digit information after operated by a program, converted to be an American standard cord for information interchange (ASCII), sent to an upper computer through a serial port bus, and displayed in a real-time mode. The master controller controls lifting motions of a motor of voltage regulator through comparing the cable core temperature with set target temperature, and then controls the magnitude of a current loaded on a cable. According to the GPS, longitude and latitude information and temperature information of a test field are confirmed and serve as test reference, a current analog initial target current value is detected, judged and updated in a real-time mode, the aims of rapid regulation and cable core temperature stabilization are achieved, and the requirement for long-time control of the cable temperature is achieved.

The invention belongs to the technical field of virtual reality, and in particular discloses a fire drill virtual training method. According to the method, a pair of VR glasses comprises a glasses main body, and further comprises a telescopic rod and an elastic pressing head, wherein a No.1 rectangular groove is arranged in the middle of the glasses main body; the telescopic rod is fixedly connected to the interior of a mounting hole in the left side of the No.1 rectangular groove; the elastic pressing head is hinged at the end of the telescopic rod; and two semi-arc surfaces of the elastic pressing head are arranged in a mode of being mutually tangent. According to the fire drill virtual training method provided by the invention, by arranging the elastic pressing head at the end of the telescopic rod, rapid installation of electronic equipment is achieved; the two semi-arc surfaces of the elastic pressing head are squeezed and get deformed, so that the electronic equipment cannot bearexcessive squeezing force in one aspect, and subsequently, the safety of the electronic equipment is guaranteed; and in the other aspect, a contact area is increased, so that the electronic equipmentcan be clamped more reliably and influence to virtual effect of the glasses due to shaking of the electronic equipment can be prevented; the electronic equipment, when needs to be taken out, can be pulled out with strength; and therefore, the pair of VR glasses is convenient to operate.

The invention discloses a voltage sensing-based wireless sensor network time synchronization method. The method includes the following steps: external clock synchronization and local time self-correction. This algorithm takes into account the impact of changes in the node's current operating voltage on the node frequency offset when estimating frequency offset, thereby improving the accuracy of frequency offset estimation. At the same time, because this algorithm mainly relies on local information during the time synchronization process, it greatly reduces the number of information transmissions, thereby greatly reducing energy consumption and reducing the accumulation of errors caused by layer-by-layer transmission of information. Finally, since this algorithm relies less on information transmission, it solves the problem of unstable communication caused by dynamic changes in voltage and node location.

The invention relates to the technical field of the obstetrics and gynecology department, and discloses a pressurization abdominal belt device for the obstetrics and gynecology department. The pressurization abdominal belt device comprises a protection pad and fixing belts; two bending belts are provided and are respectively and fixedly connected to both lateral surfaces of the protection pad; a rectangular groove is formed on the top surface of the protection pad; twelve groups of round holes are formed on the inner wall of the bottom surface of the rectangular groove, and the round holes penetrate the protection pad; the twelve groups of round holes are distributed left and right; and the inner walls of the round holes are fixedly connected with pressure barrels. By arrangement of the protection pad, close contact between bottom plates corresponding to the positions of both sides of an incision and the skin of a user is utilized to generate a clamping force for both sides of the incision, and the incision is fixed under the condition of avoiding contact with the incision so as to avoid a problem of generating pain due to movement of the skin near the incision when the user movesand benefit for improving an incision recovery effect; and by arrangement of twelve groups of bolts, the pressurization abdominal belt device can conform to the shape of the cesarean incision to drivethe bottom plates at different positions to press down so as to ensure an effect of clamping the skin near the incision without contact with the incision.

The invention discloses a cloth rolling device for textile drying equipment. The device comprises a support, the number of the supports is two, rolling wheels are arranged below the support respectively, connecting plates are fixedly arranged on the two sides of the support respectively, connecting blocks are arranged on the support correspondingly, grooves are formed in the connecting blocks respectively, and first bearings are arranged in the grooves respectively; and the first bearings are connected with each other through a cloth rolling shaft, a first connecting rod is arranged at one endof the cloth winding shaft, one end, far away from the cloth winding shaft, of the first connecting rod is fixedly provided with a worm, one side of the worm is connected with a worm gear, one side of the worm is connected with the worm gear in a worm and gear mode, a first convex gear is fixedly arranged on one side of the worm gear, and one side of the first convex gear is meshed with a secondconvex gear. The cloth rolling device for the textile drying equipment has the beneficial effects that the humidity degree of cloth is adjusted, the cloth drying efficiency and quality are greatly improved, the damage rate of the cloth is reduced, and unnecessary economic losses of enterprises are reduced.