79 results about "Glass ball" patented technology

The utility model relates to an early warning device suitable for fire prevention and explosion prevention. Comprising a cabinet body and an early warning assembly, the early warning assembly is arranged on the outer side wall of the cabinet body, the early warning assembly comprises a ventilation component and a warning piece, the ventilation component comprises a ventilation piece, a plurality of transversely-through ventilation channels are arranged in the ventilation piece, and a warning seat is arranged in the middle of the ventilation piece; the warning component comprises a warning plate, a mounting seat and a warning lamp, the warning plate is a transparent plate embedded in the warning seat, the warning lamp is detachably connected to the mounting seat, and the warning lamp faces the warning plate. According to the utility model, air inside and outside the electric cabinet is accelerated to flow through the warning seat, the thermosensitive glass balls in the warning seat present different colors when the temperature changes, and light irradiates the thermosensitive glass balls through the warning plate and is refracted and displayed on the warning plate through the through holes, so that a worker can see the color change of the warning plate on the electric cabinet when walking in a workshop; therefore, early warning can be carried out in the first time, and excessive temperature rise in the electric cabinet is prevented.

The utility model provides a fire-fighting spray header with a quick connection structure, particularly relates to the technical field of fire-fighting spray headers, and comprises a fire-fighting spray header body, a screwed joint on the fire-fighting spray header body is in threaded connection with a water supply pipe, and after the screwed joint is screwed, the screwed joint extrudes a sealing gasket, so that the fire-fighting spray header with the quick connection structure is formed. After production is completed, a protective cover is connected to the outer side of a thermosensitive glass ball in a clamped mode through a first C-shaped clamping groove, then a connecting column on a protective plate is inserted into a through hole, during insertion, a first anti-disengaging ring and a second anti-disengaging ring are changed, and after insertion is completed, the protective cover is connected with the water supply pipe in a clamped mode. When the fire-fighting spray head body is installed, the first anti-falling ring and the second anti-falling ring rebound, the outer side of the first anti-falling ring is attached to the end opening of the through hole, the limiting effect after connection is achieved, and the protective cover and the protective plate are both made of rubber, so that the thermosensitive glass ball is better protected, and the thermosensitive glass ball is prevented from being collided and damaged when the fire-fighting spray head body is installed.

The present invention belongs to the technical field of the firing sealing of lamp bulbs. Disclosed is a firing sealing apparatus for a filament lamp bulb, the firing sealing apparatus comprising a firing apparatus, wherein a LOGO printing apparatus is provided on one side of the firing apparatus, a sealing part is joined and fixedly connected between the firing apparatus and the sealing part, and a robotic arm is fixedly connected to the outer wall of the top end of the sealing part. A motor drives a bidirectional threaded rod to rotate, so as to drive two clamping plates to move in opposite directions until the two clamping plates come into contact with the tube body of a glass bulb tube, and the tube body is subjected to re-cutting in an abutting manner at a unified position to avoid inconsistencies in tube body length and bottom shape among glass bulb tubes. A press-tilting plate tilts to drive a trumpet grinding column on the other side of the top end of the press-tilting plate to move upwards, and a threaded-hole extendable plate moving downwards enables a screw rod II to rotate so as to wind a hemp rope, thus driving the trumpet grinding column to rotate. The rotating trumpet grinding column can perform rotational grinding on the bottom end of the glass bulb tube, such that when the residual heat remains and the bottom end of the glass bulb tube is not yet set, the bottom end of the glass bulb tube undergoes rotational grinding to be in a smooth state.

The utility model discloses a kind of high-silica glass fiber ball drop ball collecting devices, it is related to glass fiber processing technical field, including support and box, box includes closed frame and ventilation frame, support is installed in closed frame bottom, ventilation frame is connected in closed frame top and inside intercommunication, closed frame inside is by several inclined plate inverted trapezoidal groove is formed, trapezoidal groove bottom of closed frame side wall is equipped with ball outlet, pull door is equipped at ball outlet;Ventilation frame side and top are each equipped with metal net, the metal net on ventilation frame top is equipped with ball inlet, ball inlet is connected with ball conveying guide rail, and the side opposite to the outlet of ventilation frame and ball conveying guide rail is installed with buffer plate.The utility model is connected by using closed frame and ventilation frame to form storage box, ventilation frame side and top are formed by metal net, it is convenient to ventilate and radiate heat, reaches directly through ball conveying guide rail to convey storage after glass ball processing, and cooling can be carried out simultaneously by heat dissipation and ventilation to glass ball.

The invention belongs to the technical field of chemistry and chemical engineering experiments, and particularly relates to a double-effect condenser. The double-effect condenser comprises an outer heat exchange pipe, an upper connector, a lower connector, a cooling liquid inlet, a cooling liquid outlet and an inner heat exchange pipe which are integrally designed. The outer heat exchange tube is a double-layer coaxial straight sleeve; the upper connecting port and the lower connecting port are respectively welded on a conical ground glass tube, a glass ball grinding port, a glass bowl grinding port or a glass flange connecting port at the top and the bottom of the first-layer tube; the cooling liquid inlet and the cooling liquid outlet are straight connecting pipes or pagoda-shaped connecting pipes which are respectively welded on the outer wall of the first-layer pipe; the inner heat exchange tube is a double-layer coaxial straight sleeve or a single-layer tube which is coaxial with the outer heat exchange tube. The double-effect condenser has the advantages of being high in heat exchange efficiency and small in environmental influence, and has important significance on improving the environment of a chemistry and chemical engineering laboratory and promoting rapid development of healthy chemistry.

The invention discloses a magnetron sputtering-based method for coating a conductive film on the surface of a bone-imitating fire-extinguishing glass ball. The method comprises the following steps: S1, cleaning the glass ball; s2, activating the surfaces of the glass balls; s3, forming an anti-coating film barrier by utilizing a laser heat effect, then coating a film, and forming an observation window; and S4, plasma-assisted annealing. According to the method for coating the conductive film on the surface of the bone-imitating fire extinguishing glass ball based on magnetron sputtering, magnetron sputtering coating is conducted on the surface of the glass ball in a step-pulse composite power mode, and the problem of mutual exclusion of compactness, stress and binding force in traditional coating is solved through energy-time-space coordinated regulation and control; according to the invention, high-reliability, ultra-thin and defect-free nanoscale film coating can be obtained, the bonding strength between film layers is increased, the conductivity is effectively ensured, and the conductive triggering and zero resistance functions of the glass ball are realized.

A closed firefighting sprinkler head, relating to the technical field of closed sprinkler heads. The closed firefighting sprinkler head comprises a sprinkler head body, wherein a water spray port is provided at one end of the sprinkler head body, and the water spray port is configured to connect to a water pipe; the sprinkler head body further comprises a hollowed-out cavity, and the inside of the hollowed-out cavity is configured for the mounting of a glass ball body; a sealing assembly is mounted at the water spray port; a double-lever support structure is connected to the end of the sealing assembly away from the water spray port, and the end of the double-lever support structure away from the sealing assembly abuts against one end of the glass ball body; the double-lever support structure comprises a movable-block body and a movable-block support; an annular snap-fit recess is provided in the inner wall of the sprinkler head body, and a first end of the movable-block body and a first end of the movable-block support are respectively arranged on two sides of the annular snap-fit recess; and a connecting portion is provided at a second end of the movable-block body, a connecting recess is provided at a second end of the movable-block support, and the connecting portion is arranged in the connecting recess. By means of the double-lever support structure, the support force on the sealing assembly can be effectively increased, such that the sprinkler head body can be applied to places having a large K-factor.

The utility model discloses a fire-fighting spray head, which relates to the field of fire fighting, and is characterized by comprising two connecting rods and a section of thermosensitive glass ball, the connecting rods are positioned on two sides of the thermosensitive glass ball, a sliding chute is formed in one side, close to the thermosensitive glass ball, of each connecting rod, and a connecting plate is slidably connected in each sliding chute; the end, away from the connecting rod, of the connecting plate is fixedly connected with a first protective sleeve, the first protective sleeve is located on one side of the thermosensitive glass ball, one side of the first protective sleeve is detachably connected with a second protective sleeve, and the thermosensitive glass ball is wrapped with the first protective sleeve and the second protective sleeve. The first protective sleeve and the second protective sleeve wrap the thermosensitive glass ball, the thermosensitive glass ball is prevented from colliding with the outside, it is guaranteed that the triggering condition of the thermosensitive glass ball meets the expectation, when the fire sprinkler head is installed, the second protective sleeve is disassembled firstly, then the first protective sleeve is disassembled, the anti-skid groove is formed in the side wall of the handle, and the anti-skid groove is formed in the side wall of the handle. And the second protective sleeve is convenient to disassemble.

The present application provides a kind of for the permeability reaction system of organic fluorine compound contaminated soil, including permeability reaction barrier, upstream monitoring well and downstream monitoring well;Permeability reaction barrier includes several permeability reaction modules, permeability reaction module includes hollow shell, and shell is provided with water-permeable screen relative to two hollow sides respectively;Hollow shell is loaded with granular filler, and granular filler is internally provided with ultraviolet light band;Granular filler includes light-transmitting glass ball and the ceramicite of surface load titanium dioxide;Upstream monitoring well is located in the upstream of permeability reaction barrier, and downstream monitoring well is located in the downstream of permeability reaction barrier;Upstream monitoring well and downstream monitoring well are equipped with detection component in it.The present application provides a kind of for the permeability reaction system of organic fluorine compound contaminated soil, improves the operating efficiency of permeability reaction barrier in organic fluorine compound contaminated layer soil, reduces cost.

The application provides a fire extinguishing agent storage mechanism and a fire extinguishing device with the same. The fire extinguishing agent storage mechanism comprises a striker assembly and a storage bottle. The striker assembly comprises a striker sleeve and a striker. An internal part of the striker sleeve is formed with a sleeve channel. A side wall of the striker sleeve is formed with a sleeve through hole. The striker is slidably arranged in the sleeve channel. A bottle opening of the storage bottle is arranged at an open end of the sleeve channel. When the fire extinguishing device is in a non-working state, a bottle sealing element seals the bottle opening, the sealing is tight, and the storage bottle and the sleeve channel are not communicated. When the fire extinguishing device is in a working state, the striker pierces the bottle sealing element, so that the storage bottle and the sleeve channel are communicated. The storage substance in the storage bottle can be discharged through the sleeve channel and the sleeve through hole. The discharge is smooth, the reliability is high, and the problems that the nozzle sealing is not tight when the existing fire extinguishing device is in a non-working state, the fire extinguishing agent flow is not smooth when the fire extinguishing device is in a working state, and the safety of the expanded broken temperature-sensitive glass ball is not ensured are solved.

Device for self-starting a gas source by temperature detection, characterized in that it comprises a compound solid propellant (11), a triggering device for ignition and a glass bubble for temperature detection for fire protection (16); the compound solid propellant (11) is installed in a first housing, the compound solid propellant (11) located at the bottom of the first housing is connected to the ignition triggering device so that it is ignited by the ignition triggering device, and the top of the first housing is provided with an opening to allow the gas generated when the compound solid propellant (11) is ignited to escape; the ignition trigger device is connected to the glass bubble for temperature sensing for fire protection (16), so that the glass bubble for temperature sensing for fire protection (16) triggers the ignition of the compound solid propellant (11) when it bursts due to heating; the triggering device for ignition comprises a piercing primer (12), a firing pin (13), a spring (14) and a coupling mechanism (15); the piercing primer (12) is arranged at the bottom of the first casing to ignite the compound solid propellant (11) in the first casing when the firing pin (13) strikes; the firing pin (13) is located at the lower end of the piercing percussion cap (12) and is at a predetermined distance from the lower end of the piercing percussion cap (12), and the firing pin (13) strikes the piercing percussion cap (12) by a reciprocating motion to cause the piercing percussion cap (12) to produce flames; the coupling mechanism (15) connects the firing pin (13) and the glass bulb for temperature sensing for fire protection (16) and the spring (14) together, and the coupling mechanism (15) in the direction of the connection with the glass bulb for temperature sensing for fire protection (16) causes the spring (14) to form a compressive force, so that the compressive force of the spring (14) is released when the glass bulb for temperature sensing for fire protection (16) bursts due to heat and drives the coupling mechanism (15) to move, whereby the coupling mechanism (15) drives the firing pin (13) connected to it to move and thus generates an impact force on the piercing primer (12); further comprising: a second housing and an end cap (17); the coupling mechanism (15) is a cross-shaped connecting structure formed by a transverse bar (151) and a vertical bar (152); the firing pin (13) comprises an upper end located near the piercing primer (12) and a connecting base; one end of the crossbar (151) is guided perpendicularly through the connecting base of the firing pin (13), and the other end is guided perpendicularly through the center of the vertical bar and is firmly connected to the vertical bar (152) to form a connecting section (153); the second housing is configured to connect the vertical rod (152) of the coupling mechanism (15), the spring (14), and the glass bulb for temperature sensing for fire protection (16) in the same direction parallel to the direction of the firing pin (13); one end of the vertical rod (152) aligned in the same direction as the firing pin (13) is connected to the glass bulb for temperature sensing for fire protection (16), and the other end of the glass bulb for temperature sensing for fire protection (16) is attached to the second housing; the spring (14) is attached to the other end of the vertical rod (152), and a through-hole is provided at the other end of the second housing, with which the end cap (17) is firmly connected from the outside of the second housing for attaching the spring (14) to the vertical rod between the second housing and the connecting section (153); In the installed state of the vertical rod (152) of the coupling mechanism (15), the spring (14) and the glass bulb for temperature sensing for fire protection (16) in the second housing, the two ends of the second housing are each connected to the glass bulb for temperature sensing for fire protection (16) and the end cap (17), and the spring (14) is in a compressed state; the height by which the spring (14) is compressed is greater than the predetermined distance between the striking end of the firing pin (13) and the striking end of the piercing primer (12).

The utility model discloses a glass ball placing robot which comprises a base mounting plate, a rotating mechanism, a lifting mechanism, a large arm assembly, a small arm assembly and a suction cup assembly, the rotating mechanism is fixed on the base mounting plate, the rotating mechanism is driven by a motor, and the whole rotating motion of the large arm assembly, the small arm assembly and the suction cup assembly is achieved through transmission of a synchronous belt; according to the lifting mechanism, a lead screw nut mechanism is driven by a motor, rotary motion is converted into linear motion, the precision and stability of the motion are guaranteed through guiding of a guide rail sliding block, and overall lifting motion of a large arm assembly, a small arm assembly and a suction cup assembly is achieved. The large arm assembly is driven by a motor and is driven by two sets of synchronous belts, and rotation movement of a small arm is achieved. The suction cup assembly is installed at the tail end of the small arm assembly, and the small arm assembly drives the suction cup assembly to rotate. The suction cup assembly sucks the glass balls through pneumatic control. The device is high in working efficiency and saves manpower.

The utility model relates to the technical field of kilns, and discloses a glass ball adding device for kilns during kiln heating, which comprises a stainless steel pipe, a connecting pipe is fixedly connected to the rear side of the outer wall of the stainless steel pipe, stainless steel plates are fixedly connected to the front side and the rear side of the inner wall of the connecting pipe, and a water inlet pipe is fixedly connected to the bottom of the outer wall of the connecting pipe. A water outlet pipe is fixedly connected to the top of the outer wall of the connecting pipe, a ball inlet hole is fixedly connected to the top of the outer wall of the stainless steel pipe, and a fixing mechanism is fixedly connected to the front side of the bottom of the stainless steel pipe and used for supporting and adjusting adding equipment. Glass balls enter the stainless steel pipes through the ball inlet holes, water flow is separated by the stainless steel plates in the connecting pipes, water is discharged through the water outlet pipes, compressed air enters the connecting pipes through the connecting holes, and the stability of connection is controlled through the turning scale buckles, so that the safety of workers is ensured, overflow of high-temperature air in the kiln is prevented, and the safety of operators is ensured; and the service life of equipment is prolonged.

The utility model provides a substrate glass ball mill, which relates to the field of substrate glass polishing, and comprises a ball mill body and a hopper, the hopper is arranged at the right side end of the ball mill body, a heat recovery cover plate is screwed and wrapped on the surface of an outer shell of the ball mill body, and the inner side surface of the heat recovery cover plate is in contact with the ball mill body through a heat conducting plate. A liquid storage cavity is formed in the inner side of the heat recovery cover plate, the outer end face of the liquid storage cavity is wrapped with a heat preservation rock wool plate, the left side and the right side of the ball mill body communicate with a first dust collection pipe and a second dust collection pipe correspondingly, and the other ends of the first dust collection pipe and the second dust collection pipe are connected with a pulse type dust collector. And the right side of the pulse type dust collector is connected with a fan through a communicating pipe. According to the utility model, the problem that the current working environment is polluted by dust and noise generated when the ball mill grinds the substrate glass is solved.

The utility model discloses a glass bead transmission device which comprises a rectangular upper preheating plate and a rectangular lower preheating plate, the upper preheating plate and the lower preheating plate are detachably connected, a channel which is used for transmitting glass beads and is arranged in a winding mode is arranged between the upper preheating plate and the lower preheating plate, and the channel is communicated with the upper preheating plate and the lower preheating plate. A feeding port communicated with the channel is formed in one end of the upper preheating plate, and a discharging port communicated with the channel is formed in the other end of the lower preheating plate. According to the glass bead conveying device, the glass beads can be effectively prevented from being squeezed and damaged in the conveying process, the glass beads are prevented from being polluted, and the glass beads can be smoothly conveyed to the next compression molding station, so that the production yield and the production efficiency are improved, and the production cost is reduced.

The utility model discloses a glass ball pressing positioning device for emulsion pump assembly, the glass ball pressing positioning device comprises a device body, a feeding structure, a jacking mechanism and a positioning mechanism, the feeding mechanism comprises a fixed seat, a pump body fixing turntable and a glass ball transfer disc, the fixed seat is used for supporting the device body, and the pump body fixing turntable is used for supporting the device body; the pump body fixing turntable is rotatably arranged between the fixing seat and the device body, and the pump body fixing turntable is used for bearing a pump body; the glass ball transferring disc is arranged on the upper portion of the pump body fixing rotary disc and can transfer glass balls into the pump body, the jacking mechanism is arranged on the upper portion of the pump body fixing rotary disc and located on the periphery of the device body, the jacking mechanism is used for pressing the glass balls into the pump body, and the positioning mechanism is in transmission fit with the jacking mechanism. And the positioning mechanism is arranged to be capable of guiding the jacking mechanism. The glass ball pressing positioning device provided by the utility model is used for avoiding dislocation of the glass balls during group rotation.

The utility model discloses a fire prevention type gas valve, which belongs to the field of gas safety and comprises a gas valve consisting of a valve shell, a valve passing component for limiting gas passing and a valve control component for controlling the valve passing component. Compared with the prior art, the gas valve has the advantages that the outside temperature is sensed in real time through the glass ball temperature sensing element, and when the temperature exceeds the standard, the glass ball temperature sensing element is broken, so that the trapezoidal control rod is pressed down immediately under the action of the height reset spring, and the gas valve is closed; compared with an electric temperature control element commonly used at the present stage, the device has better stability in fire disasters.

The utility model provides a spherical condenser pipe, and belongs to the technical field of condenser pipes. Comprising an outer pipe, an inner pipe is arranged in the outer pipe, the inner pipe is of a linear channel structure formed by connecting a plurality of glass balls, a rotatable rotating rod is detachably installed in the inner pipe in the axis direction, a brush is arranged on the side face of the rotating rod, and the edge of the brush is in a wave shape matched with the inner wall of the inner pipe. And outer joints are mounted on the side surfaces of the top and the bottom of the outer pipe. The two outer connectors are located on the two sides of the outer pipe respectively. The top of the inner pipe is connected with a first connecting pipe, the bottom of the inner pipe is connected with a second connecting pipe, and the first connecting pipe and the second connecting pipe penetrate out of the upper end and the lower end of the outer pipe respectively. The device is convenient to clean and maintain in the later period, and the overall using effect is good.

The application belongs to the technical field of spray heads, and particularly relates to a low-water-pressure self-adaptive sprinkling spray head, which comprises a spray head main body, the side of a water pipe plug is provided with an elastic piece one with elastic deformation performance, a fixing piece connected with a heat-sensitive glass ball is arranged on a supporting piece, the fixing piece is provided with an elastic piece two with the same effect as the elastic piece one, the support of the top water pipe plug is cancelled by the explosion of the heat-sensitive glass ball, and the fixing piece on the supporting piece is also cancelled, at this time, the fixing piece is pushed upward by a spring one, the water pipe plug is also pushed out by water pressure, the water pipe plug and the fixing piece move simultaneously to drive the elastic piece one and the elastic piece two to move close to each other, and the elastic piece one and the elastic piece two are deformed by a pushing piece one and a pushing piece two, and are attached to each other, so as to wrap the broken heat-sensitive glass ball, and the broken heat-sensitive glass ball is wrapped downward at the moment of explosion by the spring one and the water pressure, and glass splashing is reduced.

The utility model discloses glass ball transparency detection equipment, which relates to the technical field of glass ball detection, and comprises a frame body, a lifting assembly and a CCD (Charge Coupled Device) camera, the frame body is movably connected with a transverse moving assembly, one end of the transverse moving assembly is in transmission connection with the lifting assembly, and the middle part of the frame body is fixedly connected with a feeding assembly; according to the utility model, glass balls to be detected are placed in the column holes of the rectangular array, the first scale area is set as a horizontal coordinate, the second scale area is set as a vertical coordinate, each column hole corresponds to a coordinate value, and the coordinate value is engraved at the bottom of the inner cavity of each group of column holes. The feeding assembly, the lifting assembly and the transverse moving assembly are synchronously started, the CCD camera sequentially collects coordinate value images below the glass ball, the collected images are analyzed through image processing software, and batch detection is achieved.

The utility model discloses a finished product detection device for car lamp glass balls, which comprises a soaking box, a flushing device, a mounting table, a motor and a detection device, and the flushing device is fixedly communicated with the bottom of the right side of the soaking box. According to the utility model, through the arrangement of the first semicircular cover and the second semicircular cover, when a user needs to detect a glass ball, the glass ball is placed on the first semicircular cover, then the second semicircular cover is moved by utilizing the lifting assembly until the glass ball is clamped, and then the detection device is driven to move by utilizing the transverse adjusting mechanism; the problems that the sizes of the glass balls are different, but the sizes and the adjusting range of the three-jaw chuck and the fixing arm are greatly limited, the three-jaw chuck cannot provide enough clamping force for the glass balls with small or large diameters, and the detection device cannot adjust the transverse position to adapt to detection of the glass balls with different sizes are solved. And the effect of facilitating adaptive clamping detection is achieved.

The application belongs to the technical field of automobile glass detection equipment, and particularly relates to an automobile glass spherical surface detection device and a detection method thereof. The automobile glass spherical surface detection device comprises a rack, a conveying mechanism, a positioning mechanism, a distance measuring sensor, a moving mechanism and a control device. The conveying mechanism is installed on the rack and has a conveying surface for conveying the automobile glass. The positioning mechanism is installed on the rack and is used for positioning the automobile glass. The detection end of the distance measuring sensor is arranged towards the conveying surface. The driving end of the moving mechanism is connected with the distance measuring sensor and is used for driving the distance measuring sensor to move. The moving mechanism and the distance measuring sensor are electrically connected with the control device. The automobile glass spherical surface detection device can realize automatic detection of automobile glass spherical surface detection, has high detection efficiency, and adopts a combination of the distance measuring sensor for acquiring distance information and the control device for analysis and calculation, so that manual reading and manual detection operation are not needed, distance information acquisition has high precision and small error.

The application relates to the field of power distribution cabinets, and discloses a power distribution cabinet with a fireproof and flame-retardant function, which comprises a protection assembly, the protection assembly is installed at the upper end of a main body, the protection assembly is used for cooling the cabinet body and inhibiting internal and external fire sources, the protection assembly mainly comprises an executing mechanism composed of mounting blocks, a piston plate, glass balls, springs and sealing plugs, the glass balls are red, the triggering temperature is 68 DEG C, the power distribution cabinet with the fireproof and flame-retardant function has the protection assembly, the probability of fire source overflow or internal spread is reduced, the generation of toxic gas is reduced, the external fire source can be extinguished while preventing the external fire source from approaching the cabinet body, internal fire source spread to the outside can also be prevented, nitrogen can dilute internal oxygen and toxic gas, and external fire extinguishing agents can be used after the fire extinguishing agents in the cabinet body are consumed, the external fire extinguishing agents are introduced and secondary protection is carried out.

The invention discloses a bottleneck valve suitable for a high-capacity hydrogen storage bottle. The bottleneck valve comprises a valve body, and a gas inlet assembly, a gas supply assembly, a TPRD assembly, a manual stop valve assembly and a manual release valve assembly which are arranged on the valve body, the air inlet assembly and the air supply assembly adopt mutually independent pipelines, and a temperature sensing glass ball of the TPRD assembly is installed in a limited mode through a pressure balance piston. Flow impact is avoided through the gas inlet pipeline and the gas supply pipeline which are independently arranged, safe discharging is achieved in combination with a pressure balance piston structure, and the beneficial effects of improving the filling efficiency and the safe discharging capacity are achieved.

The utility model discloses a fire-fighting sprinkler which comprises a connecting pipe, a plurality of water outlet pipes are evenly arranged on the side wall of the bottom end of the connecting pipe, two flow dividing pipes are arranged at the tail ends of the water outlet pipes, one end of each flow dividing pipe is upwards provided with a spraying pipe, the other end of each flow dividing pipe is downwards provided with a spraying pipe, and the spraying pipe is provided with an atomizing sprinkler. A spraying head is arranged at the bottom end of the spraying pipe, a splashing disc is arranged below the spraying head, a sealing plug is arranged at the bottom end of the interior of the connecting pipe, a connecting section is arranged at the bottom end of the sealing plug, the connecting section slidably extends to the outer side of the connecting pipe and is provided with an abutting piece, a supporting section is arranged at the outer end of the bottom of the connecting pipe in a threaded mode, and an adjusting piece is arranged on the supporting section in a threaded mode; according to the fire extinguishing and dust falling device, the fire extinguishing and dust falling effects can be improved when a fire disaster occurs, and meanwhile the overall protection performance is improved.

The invention relates to the technical field of marine hydrological monitoring, and discloses a hydrological monitoring sensor, which is applied to a ship body and comprises a detection cabin, the detection cabin is fixedly mounted on the ship body, a solar panel is fixedly mounted on the ship body, a turbidity component is arranged on the detection cabin, and the turbidity component is connected with the solar panel. And the turbidity component comprises a detection bin. In order to enable the device to monitor turbidity change in real time, a turbidity assembly is arranged and cooperates with a hydraulic device to drive a sliding plate to slide up and down in a detection bin, so that a hollow ball and a glass ball are driven to be immersed in water, a plurality of groups of water inlets in the surface of the hollow ball ensure smooth inflow of a water body, and a detection unit is kept in a vertical posture through a weighting disc; the turbidity sensor is integrated with an infrared light detection module and an ultraviolet light detection module, an infrared light emitting diode and a photosensitive receiving diode are designed to form an included angle of 90 degrees, turbidity is calculated through particle scattering light intensity, and an ultraviolet light device monitors organic matter concentration through attenuation.

The utility model relates to an ecological ball, in particular to a suspension type immortal moss acrylic ecological ball, which belongs to the technical field of decoration, and comprises a glass ball, a hanging plate and a hanging plate, and the glass ball is arranged below the hanging plate; the top cover is arranged at the top of the glass ball; a plurality of holes are formed, and the holes are formed in the top of the glass ball; according to the utility model, the effects of design feeling and artistry are achieved, and the problems that the existing immortal moss is arranged as an aerial green screen, the installation is tedious, the occupied space is large, the visual fatigue is easily caused, the experience feeling is reduced, and the designability and fashion feeling are lacked are solved.

The utility model provides a fireproof curtain wall, which belongs to the technical field of building external envelope structures and comprises an aluminum alloy vertical frame, an aluminum alloy transverse frame, a glass curtain wall, an angle steel connecting piece, an aluminum alloy hanging piece, a hoop, a fire extinguishing agent storage tank, a spray pipe and a temperature sensing glass ball. When encountering rising high-temperature gas, the temperature-sensing glass balls embedded in the detection holes in the surfaces of the aluminum alloy vertical frames expand along with the rise of the temperature, the balls are decomposed into small fragments at the high temperature, the temperature-sensing glass balls are released out of the opening of the spray pipe after being broken, so that the dry powder fire extinguishing agent in the fire extinguishing agent storage tank is sprayed outwards, and the fire extinguishing effect is achieved. After the dry powder extinguishing agent is sprayed out, the dry powder extinguishing agent covers downwards due to gravity, fire extinguishing can be automatically carried out when a fire disaster occurs, fire on the surface of the curtain wall is extinguished, it is ensured that flames can be effectively prevented from spreading through a gap between the curtain wall and a main body structure when the fire disaster occurs, time is bought for firefighters for rescue, and losses caused by the fire disaster are reduced.

This invention discloses a large-diameter dual-start intelligent fire sprinkler head, comprising a body, a plug, a passive triggering mechanism, an active triggering mechanism, and a separation spring. The body includes a water inlet channel and a frame. The passive triggering mechanism is a temperature sensing mechanism including a pressure plate and a hollow support sleeve. The support sleeve has a perforated window on its peripheral wall. A ball seat is installed at the upper end of the support sleeve, and the upper end of the ball seat abuts against the plug to block the outlet of the water inlet channel. The lower end of the support sleeve is movably hinged to the pressure plate by a pin. The axis of the pin is perpendicular to the axis of the support sleeve and has a distance L. A glass ball is abutted between the pressure plate and the ball seat. At least part of the glass ball is located inside the support sleeve and is visible at the window. The lower end of the glass ball is offset from the axis of the support sleeve and is located on the opposite side of the pin.