35results about How to "Any size can be adjusted" patented technology

The invention provides a subway station fire experiment simulation device which comprises an experiment table main body, a ventilating system and a matching measurement and control system. The simulation device is a small-size experiment table for comprehensive and systematic research special on heat release rate, flue gas movement, fire detection and extinguishment and the like of subway station fires, overcomes the shortcomings that full-size experiments are high in cost and a numerical simulation tool is not accurate enough on the basis of previous experiments, guarantees repeatability of the experiments, and is of great application value and important guiding significance in carrying out laboratory science studies, practical subway station flue gas control and smoke removal, detection and extinguishment system simulation tests.

The invention discloses a physiological monitoring sensing belt and a manufacturing method thereof, a physiological monitoring mattress and a monitoring system. The physiological monitoring sensing belt comprises a first friction power generation layer and a second friction power generation layer which are laminated, wherein a friction interface is formed between the first friction power generation layer and the second friction power generation layer; an insulating layer which wraps the first friction power generation layer and the second friction power generation layer; a conductive shielding layer which wraps the first friction power generation layer, the second friction power generation layer and the insulating layer; and a first lead-out electrode and a second lead-out electrode which act as the output electrodes of the physiological monitoring sensing belt. The physiological monitoring sensing belt has the characteristics of being self-powered, high in sensitivity, stable in output electric signals, easy to use and operate, randomly adjustable in size, low in mass, comfortable and convenient to use for a user, simple in structure and manufacturing technology, low in cost and suitable for large-scale industrial production. Meanwhile, the physiological monitoring sensing belt also has self-moisture-proof and self-shielding functions so that stability of the output electric signals can be increased and the service life can be prolonged.

The invention discloses a piezoelectric ceramic spraying sheet driving circuit controlled through a single-chip microcomputer. The piezoelectric ceramic spraying sheet driving circuit comprises a single-chip microcomputer MCU 10 which generates two paths of push-pull PWM signals Gate1 and Gate2. The output ends of the two paths of push-pull PWM signals are accessed to a push-pull converter which generates a driving voltage signal. The output end of the driving voltage signal is connected in series with an energy storage inductor so as to drive a piezoelectric ceramic spraying sheet. The input end of an LC filter is connected with a current sampling circuit. The input end of the current sampling circuit is connected with the output end VCC of a power supply management circuit. The output end VCC of the power supply management circuit is also connected with a voltage sampling circuit. The feedback end of the power supply management circuit is connected with a voltage regulating circuit. The piezoelectric ceramic spraying sheet driving circuit is divided into three parts: the single-chip microcomputer, the push-pull converter and other peripheral circuits and finally used for driving the spraying sheet to work and atomize the liquid medicine.

The energy-saving engineering protecting building includes building body; alone designed gas burning stove room and flue unit with gas burning stove outside the building body, operating room inside the building body and flue with outlet in the roof; solar heat collector integrated with the building body and with water inlet connected to water pipeline and water outlet connected to user's water inlet pipeline; movable wall racks inside rooms for easy regulation of room layout; air filter with two filtering layers to filter out harmful gas and matter in air, and air pipeline inside wall and connected to ventilation pipes inside room. The present invention has reasonable configuration and convenience in life, and is environment friendly and energy saving.

The invention relates to the field of artificial boards and particularly discloses a laminating device for an artificial board. Aiming at the problem that in the prior art, an artificial board easilyadheres to a laminating plate after being laminated and the laminating size is not easy to control, the following scheme is brought forward: the laminating device comprises a workbench, wherein a laminating trough is arranged at the middle position of the top end of the workbench; a mounting frame is connected with the top end of the workbench; a first air cylinder is mounted at the top end of themounting frame through a screw; a piston rod of the first air cylinder extends into the mounting frame in a vertical-downward manner; a laminating plate is connected with the piston rod; a scraping device is mounted at the top end of the workbench; and two symmetric first blocking plates are slidably mounted inside the laminating trough. The laminating device disclosed by the invention has the beneficial effects that not only can the size of a laminating mold be arbitrarily adjusted according the manufacturing demand, but also the scraping operation can be performed on a laminating plate after laminating, the adhesion of a raw material to the laminating plate can be prevented, and the laminating quality of the artificial board can be improved; and the laminating device is suitable for popularization.

The invention relates to a truck air horn system capable of adjusting volume. The truck air horn system capable of adjusting the volume comprises an air horn, a horn air inlet pipe, an air volume control magnetic valve, a magnetic valve air inlet pipe and a volume control switch. According to the technical scheme of the truck air horn system capable of adjusting the volume, the air volume control magnetic valve drives magnetic coils in the air volume control magnetic valve to generate corresponding magnetic fields according to current magnitude signals input by the volume control switch, so that a piston is moved in relative displacement, the section size of an airway can be controlled accordingly, and the effect of adjusting the air volume entering the air horn is achieved. The higher the current magnitude input to the air volume magnetic valve is, the larger the section size of the airway is, and accordingly the higher the horn volume is; correspondingly, the lower the current magnitude, the lower the volume is, and in this way, a driver can adjust the volume of the air horn freely according to vehicle driving environment and needs.

The invention discloses comprehensive beneficiation equipment. The equipment comprises an ore feeding device, a water filtering device, a vibrating screen, a centrifugal screen and a water treatment device; the water filtering device is positioned below an outlet of the ore feeding device; a water filtering frame and a vibrating device are arranged in the water filtering device, and a water receiving hopper and an ore receiving hopper are arranged below the water filtering device; the water receiving hopper and the ore receiving hopper are connected to an inlet of the centrifugal screen and aninlet of the vibrating screen through pipelines respectively; a longitudinal vibrating device and a water filtering plate axial vibrating device are arranged in the vibrating screen; the centrifugalscreen is arranged below the vibrating screen, and an outlet pipeline of the vibrating screen is in communication with the inlet of the centrifugal screen; and an outlet of the centrifugal screen is connected to the water treatment device. According to the equipment, ores can be automatically screened in the forms of vertical and axial vibration and rolling, the ores and waste stones with different sizes can be classified, so that subsequent processing is facilitated. According to the water treatment device, sewage and sludge extracted in the mining process can be purified, the good beneficiation function is achieved, and meanwhile, the damage to the environment is reduced to the minimum.

A concrete composite slab mold comprises a base mold. The upper two sides of the base mold are provided with supporting plates. Multiple side molds are arranged between the supporting plates. The sidemolds are provided with reinforcing steel bar holes. The side molds are arranged on the base mold. The concrete composite slab mold solves the problems in the aspects of construction methods, raw material waste and environmental pollution of on-site pouring of floor slabs.

The invention discloses a novel baby hair-cutting hat. The hat comprises a hat brim and a hat tail, wherein hat brim enclosures are additionally arranged on the front surface and the side surface of the hat brim; a sealing strip is stuck to the bottom of the hat brim; the hat brim is contacted with the skin of a forehead; and the hat tail is stuck to the interiors of the two ends of the sealing strip. The novel baby hair-cutting hat is similar to a topee which is used by a baby in summer, so that the baby does not fear. The hat is made of soft plastic and the size of the hat can be freely adjusted, so that the problem that the baby feels uncomfortable when wearing the hat is solved, hairs do not fall onto the face of the baby when the hairs are cut, and meanwhile the hat can also serve as a hair-washing hat for the baby.

A special ionization source is prepared for connecting hollow needle electrode to planar electrode by power supply unit, setting planar insulation media layer between hollow needle electrode and planar electrode and hanging hollow needle electrode above planar insulation media layer in angle of 60-90 degree.

The invention relates to an alternating current overload detection protection circuit which comprises an acquisition circuit, an MCU, a resistor, an optocoupler, a silicon controlled rectifier, a load resistor and a loop protection relay. According to the invention, the MCU is utilized to acquire a voltage signal and a preset voltage threshold value for preliminary comparison, when the acquired voltage signal is greater than the preset voltage threshold value, the optocoupler starting signal is output to output the cut-off signal to the silicon controlled rectifier through the optocoupler so that the silicon controlled rectifier is switched from an initial conduction state to a cut-off state, and the effects of high-speed detection and instantaneous protection are realized; and the circuit has the characteristics of small size, low cost, simple circuit, high reliability and the like.

The invention discloses a settlement and convergence preventing hydraulic side supporting device for lower bench excavation of a soft rock tunnel. The settlement and convergence preventing hydraulic side supporting device structurally comprises two bearing plates, linkage through pipes, an adjusting force-balancing device, and splicing rods; and the two bearing plates are horizontally mounted on the two side faces of the lower end of the adjusting force-balancing device, and the linkage through pipes are vertically mounted on the front surface of the adjusting force-balancing device. Gas is delivered to an extrusion pneumatic box through a flow-guiding gas pipe, the gas pressure in the extrusion pneumatic box is increased to extrude a linkage bent plate, and then an extrusion force-unloading plate is pushed to conduct extrusion force-unloading on the bearing plates; through an adjusting mechanism and a linkage mechanism in the adjusting force-balancing device, the size of the supporting device can be adjusted at will, and the situation that the supporting force of the tunnel supporting device is insufficient, then the tunnel supporting device needs to be re-manufactured, consequently, the construction quality is increased, and the construction speed is delayed is prevented; and meanwhile, through an anti-pressing mechanism, the situation that mountain force borne by all parts of the tunnel device is different, consequently, the single part bears force for a long time, the structure is damaged, and tunnel collapse is caused is prevented.

The invention relates to an instrument display method and device based on a vehicle-mounted application program, the instrument display method and device are applied to a vehicle-mounted machine system, the vehicle-mounted machine system is connected with an instrument system, a first application program and one or more second application programs are installed in the vehicle-mounted machine system, and the method comprises the steps that the first application program obtains vehicle body data; the first application program determines whether a user-defined instrument panel configuration file set by a user exists or not; if yes, the first application program obtains application data provided by the second application program, and configures an instrument display interface according to the self-defined instrument panel configuration file; if not, the first application program obtains a default instrument panel configuration file and configures an instrument display interface according to the default instrument panel configuration file; and the first application program projects the instrument display interface to a display of the instrument system for display through the screen projection operation. The method has the advantages that a user can conveniently configure and watch the instrument display interface, and then the user satisfaction degree is improved.