39results about How to "Guaranteed explosion-proof performance" patented technology

The invention discloses an anti-explosion long-service-life piezoresistor. The anti-explosion long-service-life piezoresistor comprises a housing, buffer filler, pouring sealant, and a piezoresistor body. The buffer filler is particle type insulated moistureproof incombustible material resistant to high temperature and high in strength and wraps the piezoresistor body to achieve the anti-pressing buffer effect, moisture resistance and heat radiation. The housing is provided with via holes so as to adjust air pressure inside and outside and heat radiation. The piezoresistor is a commonly coated piezoresistor and has a gap from the housing to form a filling chamber filled with the buffer filler, the via holes on the housing are smaller than particle size of the buffer filler, leakage of the filler is avoided as functionality is achieved, and the pouring sealant serves as the insulated incombustible materials and seals one end of an opening after the piezoresistor and the buffer filler are filled into the housing. Anti-surge performance of the piezoresistor can be improved, service life of the piezoresistor is prolonged, and the buffer filler can guarantee anti-explosion performance and guard piezoresistor against moisture at the same time.

The invention relates to a sealing device for an electric switch of an explosion-proof thermostat. The sealing device comprises a plastic shell and a partition plate, wherein the partition plate is connected onto the plastic shell in a buckling way, and a sealing device is arranged at a joint of the partition plate and the plastic shell. The sealing device has the advantages that the joint of the partition plate and the plastic shell is sealed by the sealing device, so that the situation that electric sparks generated by turning on a contact inside the thermostat encounter flammable and explosive gas from refrigeration equipment to produce combustion or explosion is effectively avoided, and thus the explosion resistance of the product is effectively ensured, the user effect is improved, the use is safe and reliable, and the structure is simple.

The invention relates to an efficient oxygen-enriched-combustion multiple-unit-powder heat transfer oil boiler system, and belongs to the technical field of heat transfer oil equipment. The efficient oxygen-enriched-combustion multiple-unit-powder heat transfer oil boiler system comprises an air inlet system, a burner and a boiler body, wherein the boiler body comprises a combustion chamber as well as a radiation heat-exchange surface and a convection heat-exchange surface, which adopt exhaust pipe structures, and are arranged in series on the outer wall of the combustion chamber; the burner is communicated with the combustion chamber; the air inlet system comprises a primary air inlet device, a secondary air inlet device and a tertiary air inlet device; the primary air inlet device and the secondary air inlet device are both connected to the burner; the primary air inlet device is put in from the middle part of the burner; the secondary air inlet device is put in from bottom of the burner; and the tertiary air inlet device is arranged in the middle of the side wall of the combustion chamber and used for directly supplying wind for the combustion chamber. The efficient oxygen-enriched-combustion multiple-unit-powder heat transfer oil boiler provided by the invention has the advantages of high automatic degree, high heat efficiency and the like.

The invention relates to a flexible cable accessory explosion-proof apparatus and a mounting method. The apparatus comprises a flexible oil-filling belt capable of being fixed and wrapped on a cable accessory, wherein a plurality of hollow oil-filling compartments are arranged in the flexible oil-filling belt and filled with insulating oil used for flame retardance; and an oil-filling hole capable of being sealed is formed in each oil-filling compartment. According to the apparatus and the mounting method, the flexible oil-filling belt is arranged and the hollow oil-filling compartments are arranged in the flexible oil-filling belt, so that the flexible oil-filling belt can be filled with the insulating oil; the flexile oil-filling belt is wrapped on the cable accessory after being filled up with the insulating oil; a huge pressure is generated due to explosion when the cable accessory has a fault, so that a side wall of the flexible oil-filling belt close to the cable accessory is broken; an generated electric arc can be extinguished after the insulating oil is released, so that a fire accident is avoided; the flexible oil-filling belt in the apparatus can be deformed under the action of the explosion to improve the explosion-proof effect; and the flexible oil-filling belt can be deformed and is suitable for performing explosion prevention in a narrow and small environment or at special parts such as a part irregular in shape and the like.

The invention discloses an anti-explosion heat dissipation type computer cable, comprising a cable core. The cable core is formed by oppositely twisting a pair of insulated wire cores; the outside ofthe cable core is filled with a glass fiber tape, an inorganic thermal insulation fire protection layer is arranged outside the cable core, a steel belt shielding layer is arranged outside the inorganic thermal insulation fire protection layer, a halogen-free flame retardant polyethylene woven belt is arranged outside the steel belt shielding layer, an elastic buffer layer is extruded outside thehalogen-free flame retardant polyethylene woven belt, and a high flame retardant three-low smoke halogen-free flame retardant environment-friendly type anti-explosion sheath layer is arranged outsidethe elastic buffer layer; a filling position of the cable core is further provided with a flow guiding copper alloy hose in which water cooling liquid is added. The anti-explosion heat dissipation type computer cable has the characteristics of anti-explosion, fire retardance, heat dissipation, anti-electromagnetic interference and the like, the cable structure is simple, the signal transmission isstable, the anti-electromagnetic interference performance is outstanding, and the cable can stably operate for a long time in the severe environment.

The invention discloses an integrated explosion-proof stepping peristaltic pump. The integrated explosion-proof stepping peristaltic pump comprises an explosion-proof control box, an explosion-proof stepping transmission assembly and a safety protection cover; the explosion-proof control box seals non-explosion-proof assemblies such as a stepping motor subdivision driver, a power supply controller and a main control board into the explosion-proof control box; the explosion-proof stepping transmission assembly is arranged at the top of a box cover; the motor is an explosion-proof stepping motor; and different types of explosion-proof stepping motors are selected and arranged according to torque and speed. The integrated explosion-proof stepping peristaltic pump has the beneficial effects that by arranging the stepping motor subdivision driver, during use of the integrated explosion-proof stepping peristaltic pump, the stepping motor subdivision driver can drive the peristaltic pump driven by the explosion-proof stepping motor to achieve stepless speed regulation within 0 rpm to 600 rpm, low-flow transmission and no limitation of slow start and slow stop; relatively high transmission precision is achieved; meanwhile, low noise and stable operation are realized, and the practicability of the integrated explosion-proof stepping peristaltic pump is improved; and by arranging the explosion-proof stepping motor, during use of the integrated explosion-proof stepping peristaltic pump, the explosion-proof stepping motor can always keep the explosion-proof performance of the integrated explosion-proof stepping peristaltic pump in any explosion-proof occasion, and the functionality of the integrated explosion-proof stepping peristaltic pump is improved.

The marine anti-explosion watertight cabin door based on the lightweight design comprises a door frame, the outer edge of the door frame and a cabin wall are fixedly installed in the circumferential direction, a door leaf is rotationally installed on the side face of the door frame through a hinge, and a plurality of locking blocks are rotationally installed on the inner edge of the side face of the door frame at intervals in the circumferential direction; open grooves which are in one-to-one correspondence with the locking blocks and penetrate in the thickness direction are formed in the edge of the door leaf in the circumferential direction. When the door leaf is attached to the door frame, the end of the locking block penetrates through the open groove in the direction of the door leaf. The linkage mechanism drives the multiple locking blocks to rotate synchronously, the linkage mechanism is driven by the handle to promote the locking blocks to rotate, so that the ends of the locking blocks are switched between being parallel or perpendicular relative to the opening grooves, unlocking or locking when the door leaf is attached to the door frame is achieved, and the linkage mechanism is simple, convenient and reliable. And reliable use of the cabin door under the anti-explosion requirement is greatly facilitated.

The invention relates to a flexible cable accessory explosion-proof apparatus and a mounting method. The apparatus comprises a flexible oil-filling belt capable of being fixed and wrapped on a cable accessory, wherein a plurality of hollow oil-filling compartments are arranged in the flexible oil-filling belt and filled with insulating oil used for flame retardance; and an oil-filling hole capable of being sealed is formed in each oil-filling compartment. According to the apparatus and the mounting method, the flexible oil-filling belt is arranged and the hollow oil-filling compartments are arranged in the flexible oil-filling belt, so that the flexible oil-filling belt can be filled with the insulating oil; the flexile oil-filling belt is wrapped on the cable accessory after being filled up with the insulating oil; a huge pressure is generated due to explosion when the cable accessory has a fault, so that a side wall of the flexible oil-filling belt close to the cable accessory is broken; an generated electric arc can be extinguished after the insulating oil is released, so that a fire accident is avoided; the flexible oil-filling belt in the apparatus can be deformed under the action of the explosion to improve the explosion-proof effect; and the flexible oil-filling belt can be deformed and is suitable for performing explosion prevention in a narrow and small environment or at special parts such as a part irregular in shape and the like.

The invention relates to an explosion-proof type explosion-proof photovoltaic module, and the photovoltaic module comprises a body; the body comprises upper layer glass, lower layer glass and middle layer glass between the upper layer glass and the lower layer glass; the upper layer glass, the middle layer glass and the lower layer glass are fixedly connected, a solar cell panel is arranged between the middle layer glass and the upper layer glass, and the solar cell panel is arranged between the middle layer glass and the lower layer glass; a cable is arranged on the solar cell panel, the cable penetrates through the middle-layer glass and the lower-layer glass to be connected with an electricity storage system, and fixing devices used for fixing the upper-layer glass and the lower-layer glass are arranged at the corners of the body. The explosion-proof cable has the characteristics of good explosion-proof performance, high mechanical strength, good insulating property, high safety coefficient and the like, and explosion propagation and detonation can be avoided.

The invention discloses a rotor multi-source restraint explosion-proof motor using a magnetic fluid bearing. The iron core is placed in the casing, the center of the iron core is connected to the main shaft, and the main shaft extends out of the motor from the end of the casing. The explosion-proof motor also includes a magnetic fluid bearing. , an installation slot is provided at the position where the casing is passed by the main shaft, and the magnetic fluid bearing is arranged in the installation slot. The magnetic fluid bearing includes a single bearing bush, a bushing, an end cover and a magnetic fluid. The single bushing includes a permanent magnet, an isolation block, and a seat ring; the bushing is set on the main shaft and connected with the main shaft, and the cylindrical contact surface of the bushing and the main shaft The sealing ring is arranged on the top; the seat ring is installed in the installation groove, the outer ring of the seat ring is in contact with the cylindrical surface in the installation groove, the outer edge of the permanent magnet is embedded in the inner ring of the seat ring, the inner edge of the permanent magnet is ring-shaped, and the adjacent permanent magnet A spacer is placed between the inner edges of the magnets, and the permanent magnet and the spacer form a complete cylindrical inner ring at the inner edge and is in contact with the outer surface of the bushing. Magnetic fluid is injected between the inner ring of the single bearing bush and the outer surface of the bushing.

The invention discloses a high-stability anti-explosion valve. The high-stability anti-explosion valve comprises a controller assembly and a pneumatic head. The controller assembly comprises an upper control module and a lower control module. The upper control module comprises a shell, an upper cover, solenoid valves, a terminal block and a signal feedback mechanism. The lower control module comprises an anti-explosion shell, an anti-explosion end cover, an air source treatment device and an integrated air exhausting device. The lower control module is mounted on the front face of the pneumatic head, and the upper control module is mounted at the top of the pneumatic head. The shell is internally provided with an air channel integrated block. The solenoid valves comprise the first solenoid valve and the second solenoid valve. The first solenoid valve and the second solenoid valve are connected to the air channel integrated block. The air channel integrated block is further connected with a mechanical valve. The anti-explosion shell is internally provided with a first pneumatic control valve, a second pneumatic control valve and an air channel block. The first solenoid valve and the second solenoid valve are connected with two control ends of the second pneumatic control valve through air pipes correspondingly. The high-stability anti-explosion valve is of an integrated structure, high in stability, capable of saving energy consumption, high in control precision, good in anti-explosion performance, not prone to leakage and free of maintenance.

The invention discloses an intelligent household fuel gas explosion-proof system. The system comprises a detection box, a mounting plate and a control system, a control box is fixedly connected to theleft lower corner of the inner cavity of the detection box, a first gas concentration detector is arranged on the right wall of the detection box in a penetrating manner, the inner part of the rightwall of the control box and the outside of the first gas concentration detector are filled with hot melt adhesive, and the invention relates to the technical field. According to the intelligent household fuel gas explosion-proof system, an independent space can be formed at a pipeline joint which easily leaks fuel gas, the concentration of gas inside the pipeline joint can be detected, the gas leakage phenomenon can be detected in time, a miniature electric telescopic rod can be used for pushing the button switch to enable the sealing valve to be closed, so that the continuous leakage of the fuel gas is avoided, the electronic devices in the detection box can be isolated from the fuel gas by arranging the hot melt adhesive and the sealing plate, the sealing property of the sealing valve iskept by the sealing film, the gas combustion explosion caused by electrifying of the electronic element can be avoided, and the explosion-proof performance is ensured.

The invention relates to an efficient oxygen-enriched-combustion multiple-unit-powder heat transfer oil boiler system, and belongs to the technical field of heat transfer oil equipment. The efficient oxygen-enriched-combustion multiple-unit-powder heat transfer oil boiler system comprises an air inlet system, a burner and a boiler body, wherein the boiler body comprises a combustion chamber as well as a radiation heat-exchange surface and a convection heat-exchange surface, which adopt exhaust pipe structures, and are arranged in series on the outer wall of the combustion chamber; the burner is communicated with the combustion chamber; the air inlet system comprises a primary air inlet device, a secondary air inlet device and a tertiary air inlet device; the primary air inlet device and the secondary air inlet device are both connected to the burner; the primary air inlet device is put in from the middle part of the burner; the secondary air inlet device is put in from bottom of the burner; and the tertiary air inlet device is arranged in the middle of the side wall of the combustion chamber and used for directly supplying wind for the combustion chamber. The efficient oxygen-enriched-combustion multiple-unit-powder heat transfer oil boiler provided by the invention has the advantages of high automatic degree, high heat efficiency and the like.

The invention discloses a roadway lamp which comprises a main shell, a driving module and a light source module. The light source module is detachably fixed on the main shell, the main shell and the light source module form a driving cavity, and the driving module is installed in the main shell and located in the driving cavity; the light source module comprises an inner shell, an LED light source and a lampshade; the inner shell is fixed in the lampshade and is located between the main shell and the lampshade; a light source cavity is formed between the inner shell and the lampshade, the LED light source is fixed in the inner shell and is located in the light source cavity. Parts of the light source module are integrally connected and can be assembled and disassembled integrally, and when the LED light source fails, the entire light source module can be replaced so as to improve maintenance efficiency, and normal operation inside a roadway is guaranteed; assembly of the parts of the light source module can be performed in a safety zone, so that integral explosion-proof performance of the light source module can be guaranteed, and meanwhile, necessary explosion-proof performance testing can be performed; the driving module is installed in the main shell, so that the driving module can be unaffected by assembling and disassembling of the light source module.

The explosion-proof diesel engine consists of diesel engine, two explosion-proof barriers, waste gas treating water tank and explosion-proof starter. The waste gas treating water tank and the diesel engine is connected via waste gas connecting pipe, two explosion-proof barriers are connected separately on the inlet of diesel engine and the exhaust of waste gas treating water tank, and the explosion-proof starter is starting motor fixed onto the diesel engine comprising DC motor, electromagnetic switch, front cap and mesh mechanism. The present invention has reliable explosion-proof performance, and starting motor with simple structure, convenient operation and low cost. The explosion-proof barriers are cleaned with rocking handle conveniently, and the waste gas treating water tank treats waste gas effectively, to further ensure the explosion-proof performance.