9results about How to "Long range" patented technology

The utility model belongs to the technical field of fire fighting equipment, and discloses a multipurpose water gun which comprises a connecting pipe, an elbow and a puncture head, and a connecting mechanism is arranged on the connecting pipe; the connecting mechanism comprises a mounting pipe, a fixed frame, a movable frame, a fixed cylinder and a clamping plate, the mounting pipe is integrally formed at one end of the connecting pipe, the fixed frame is welded and fixed to the outer wall of the mounting pipe, the movable frame is slidably mounted on the inner wall of the fixed frame, the fixed cylinder is fixedly mounted at the top of one side of the movable frame, and the clamping plate is fixedly mounted at the bottom of one side of the movable frame; according to the utility model, the connecting mechanism is arranged, the elbow and the interface of the interface pipe at the bottom of the puncture head are positioned on the side surface, the joint of the mounting pipe is transversely connected with the interface on the side surface of the interface pipe through bending, and the other side of the interface pipe is fixed through the fixing cylinder on the fixing frame; the connector pipe is fixed from the bottom of the connector pipe through the clamping plate on the fixing frame, the connection strength between the elbow and the installation pipe and between the puncture head and the installation pipe is improved, and the nozzle in the fire-fighting lance is connected more stably.

This utility model belongs to the technical field of fire-fighting equipment, and particularly relates to a multi-functional foam gun. It includes a first gun body, a primary foaming tube, a connector assembly, a secondary foaming tube, and a foam net holder. The primary foaming tube is installed at the front end of the first gun body, and the secondary foaming tube is installed at the front end of the primary foaming tube via the connector assembly. The foam net holder is installed at the outlet of the secondary foaming tube. The outer wall of the primary foaming tube is surrounded by several first suction holes, which are perpendicular to the central axis of the primary foaming tube. The outer wall of the secondary foaming tube is surrounded by several second suction holes, which are parallel to the central axis of the secondary foaming tube. This utility model uses a secondary negative pressure suction method combined with a foam net to achieve a final foaming ratio of 20 times for the foam extinguishing agent. In this state, the foam extinguishing agent has a low water content, low impact force, and short range, making it suitable for close-range coverage of fire sources, effectively extinguishing fires and preventing reignition.

The utility model discloses an optical system suitable for stage light beam lamp. The optical system includes the focusing lens module, the middle lens module and the front lens module who sets gradually from object side to image side along the optical axis direction, and the front lens module, the middle lens module all have positive focal power, and the focusing lens module has negative focal power, the front lens module includes at least one front group lens piece, and the image side surface of front group lens piece is the convex surface, the middle lens module includes the third lens piece, the second lens piece and the first lens piece who sets in order along the optical axis direction, and the first and second lens piece are all meniscus positive lens, and the third lens piece is meniscus negative lens, and the second and third lens piece are glued and are connected as an integral structure, and the focusing lens module includes at least one focusing lens piece, and the focusing lens module is translated before and after along the optical axis between the middle lens module and the light source, to adjust the spot definition to different projection distance. The utility model can shorten the length of overall optical path while guaranteeing the spot definition and the beam sharpness.

The invention discloses a static millimeter wave wide-field dual-polarization superstructure detector for non-interactive personnel security inspection, and belongs to the technical field of detectors. The electromagnetic receiving and transmitting module is used in cooperation with a built-in micro-motion rotary table, a system-level static wide-view-field scanning mechanism is achieved, dynamic time sequence beam deflection can be achieved, and the electromagnetic receiving and transmitting module is a wide-view-field super-structure lens; the built-in micro-motion turntable controls the transmitting and receiving feed antenna of the electromagnetic receiving and transmitting module to regulate and control the direction of millimeter wave transmitting and receiving beams, so that directional signal transmitting and receiving in a large range are realized; the data acquisition module is used for reading the recovered voltage signals converted by the co-polarization and cross-polarization scattering echoes; and the upper computer module is used for analyzing the acquired dual polarization data. The invention aims to replace a heavy and clumsy dielectric lens in a traditional millimeter wave personnel security inspection system, so that the wide-view-field scanning performance is improved while the integration level and the lightweight level of the system are improved.

A facultative tank air pressure stirrer comprises a water accumulation tank, a three-way electromagnetic valve and a controller, the water accumulation tank is of a hollow structure and arranged in a facultative tank, the top of the water accumulation tank is exposed out of the water surface, a large-caliber water opening is formed in the bottom, and an air tap is arranged on the top; the three-way electromagnetic valve is electrically connected with the controller, and three ports of the three-way electromagnetic valve are connected with a compressed air source, an air nozzle and the atmosphere through pipelines respectively. The sewage tank is simple and reliable in structure and low in energy consumption, sewage injected into the water accumulation tank is discharged at a high speed through compressed air, the jet range is long, sludge deposited at the bottom of the facultative tank is impacted and stirred through water flow, the stirring effect is good, dissolved oxygen of a water body is basically not increased, and the external space of the sewage tank is not occupied.

The utility model discloses an integrated flashlight. The integrated flashlight comprises a flashlight body, a PCBA board, a lamp panel and a battery piece, the lamp panel, the PCBA board and the battery piece are all installed on the flashlight body, the lamp panel and the battery piece are electrically connected to the PCBA board, and the lamp panel is provided with a main lamp bead, a UV lamp bead and a red and green laser lamp bead. The main lamp beads, the UV lamp beads and the red and green laser lamp beads are arranged on the lamp panel, so that the diversification of the lighting function is realized; the main lamp bead serves as a basic illumination light source, high-brightness and long-range light can be provided, and the requirement for large-range illumination in the dark environment is met; the UV lamp bead has an ultraviolet light emission function and plays an important role in the fields of industrial detection, medical disinfection, anti-counterfeiting identification and the like; the red laser has high penetrability and good visibility, and can be used for indicating a target position and positioning or marking at night or in a low-visibility environment; and the green laser has a farther visual distance and a clearer indication effect.

This utility model discloses a quencher, comprising: a tank body, the tank body being hollow; one or more high-temperature pipelines disposed within the tank body; multiple low-temperature pipelines disposed within the tank body and surrounding the high-temperature pipelines; and multiple nozzles, the nozzles being connected to the low-temperature pipelines, each nozzle including a connecting portion connected to the low-temperature pipeline and a nozzle for spraying, the nozzle having a flat, straight cross-section and facing the high-temperature pipeline.

This invention discloses a modular lift supply aircraft, a combined aircraft, and a method for operating the combined aircraft, relating to the field of aircraft technology. The modular lift supply aircraft is equipped with a lift-providing device, a male docking head, and a female docking head. The combined aircraft includes a main aircraft and a modular lift supply aircraft mounted on the main aircraft. This invention provides a modular lift supply aircraft, a combined aircraft, and a method for operating the combined aircraft, enabling fixed-wing aircraft to achieve vertical takeoff and landing capabilities while still maintaining large payload, long range, and good stealth performance.

The invention relates to the field of flue gas purification product resource utilization and coal rock gas yield increase and injection increase, in particular to an alkaline desulfurization and denitrification agent and application thereof in coupling of a flue gas resource desulfurization and denitrification process and coal rock gas acidification yield increase and injection increase. The invention provides an alkaline desulfurization and denitrification agent, the alkaline desulfurization and denitrification agent contains camellia saponin and a crown ether ring structure, sulfuric acid, nitric acid and fluoboric acid mixed salt of the alkaline desulfurization and denitrification agent is generated after desulfurization and denitrification, the mixed salt is used for coal rock gas acidification, flue gas desulfurization and denitrification waste liquid can be recycled, and the desulfurization and denitrification cost can be recovered; in addition, a bis-imidazoline alkaline desulfurization and denitrification agent containing crown ether and camellia saponin is combined with plasma irradiation oxidation to perform desulfurization and denitrification on the flue gas, and the desulfurization and denitrification waste liquid is used for reservoir transformation, so that environmental pollution can be better treated, one agent can be used for multiple purposes, the acidification cost of the carbonate reservoir is reduced, and slow acidification and diverted acidification are realized at the same time.