186 results about "Pressure release" patented technology

The shutdown of a compressor (10) installed in a refrigerant circuit (2) in air conditioning or refrigeration system is controlled so as to prevent unpowered reverse rotation of the compressor. Prior to terminating electric power to the compressor drive motor (24), the pressure within the system is relieved and substantially equalized across the compressor, thereby eliminating the possibility of unpowered reverse rotation of the compressor at shutdown. Pressure relief and equalization may be achieved by reducing the operating speed of the compressor to a low forward speed for a period of time prior to deenergizing the compressor drive motor. Pressure equalization may also be achieved by driving the compressor in reverse rotation prior to deenergizing the drive motor.

A ship has a hull, at least one double-shell tank mounted on the hull, having an inner tank storing liquefied gas and an outer tank covering the inner tank, at least one first discharge tower extending upward from the hull, at least one second discharge tower extending upward from the hull independently of the first discharge tower, a first discharge line connecting an upper portion in the inner tank and a tower interior of the first discharge tower, a second discharge line connecting the inner tank and an inter-tank region of the outer tank and a tower interior of the second discharge tower, and a pressure release device provided in the second discharge line, which is closed normally and opened when a pressure of the inter-tank region exceeds a prescribed inter-tank allowable value.

The application relates to a method for intelligently and accurately adjusting the supporting strength of a seat massage module and an electromagnetic pressure regulating valve, and the method comprises the following steps: a control module acquires the pressure of a main gas path in real time through a pressure sensor arranged in the main gas path; the working state of a pressure regulating valve connected with the main gas path is controlled according to the pressure of the main gas path, so as to control the pressure of the main gas path; and the supporting strength of a seat supporting massage module connected with the main gas path is controlled by adjusting the pressure of the main gas path. The pressure of the main gas path is acquired in real time through the pressure sensor arranged in the main gas path, the working state of the pressure regulating valve is controlled according to the pressure of the main gas path, the valve body pressure of the pressure regulating valve is changed, the main gas path is sealed or pressure released, the pressure of the main gas path is adjusted, the pressure of the main gas path is accurately controlled, the supporting strength of the seat supporting massage module is accurately adjusted, the comfort of the seat is improved, and passengers can have a more comfortable riding experience.

This application provides a tea tray drainage accessory, including: an air vent valve, a lid, or a water bucket. The air vent valve controls the air release from the water bucket. When the water level reaches a control point, it reduces the air release from the water bucket or shuts off the air vent, creating positive pressure inside the bucket to prevent water from the hose from flowing into the bucket. It automatically shuts off when the water is full. A pressure relief button releases the pressure inside the bucket and indicates whether the bucket is full. An extension tube prevents air from being ejected from the tea tray. The water inlet is located on the lid or top of the water bucket to avoid air resistance, automatically draining water from the tea tray into the water bucket. An inner connector has a switch to prevent water from the tea tray from flowing out of the hose. The air vent valve has a through hole with a movable pin inside. A float is located below the movable pin, and a pressure relief button is located above the movable pin. When the water level in the bucket pushes the float upward, the movable pin moves upward in the through hole, reducing the air release from the water bucket or shutting off the air vent. The pressure inside the bucket increases, preventing water from the hose from flowing into the bucket.

A hot-pressing sintering method for an optical zinc sulfide rectifier includes the following steps: zinc sulfide powder pretreatment; loading: mixing the pretreated zinc sulfide powder with a sintering additive with a melting point lower than zinc sulfide and loading it into a mold with a thermal expansion coefficient smaller than that of polycrystalline zinc sulfide, placing it in a hot press furnace, closing the furnace, the weight of the mixed powder loaded into the mold exceeding the raw material weight required for the ideal product of the mold, the mold being pre-coated with a release agent; starting up, when the absolute pressure drops below 500 Pa, starting the heating, while continuing to evacuate to no more than 5 Pa; the first stage heating at 5-10℃ / min to the second stage heating at 300-400℃ / min. 00℃ and hold for 1-4 hours; S4, the vacuum pressure at the second stage target temperature of 300-400℃ should not exceed 5Pa; 10 minutes before the end of the second stage, pre-pressurize in a cold state to 40-60% of the process pressure; in the third stage, continue to raise the temperature to 900-1000℃ at 5-10℃ / min, hold for 30-60 minutes after reaching the temperature, raise the process pressure to 20-40MPa in 30 minutes, and finally hold for 60-120 minutes; after the holding and pressure holding are completed, release the pressure, turn off the heating, let it cool naturally, cool with the furnace to room temperature, and then remove from the furnace.

The application discloses a method and device for improving detoxification replacement efficiency of materials containing carbonyl substances, and belongs to the technical field of carbonylation metallurgy safety production. The application adopts the mode of hot nitrogen gas and cold nitrogen gas alternately passivating replacement, replaces the traditional single cold nitrogen gas continuous purging process, and adopts multiple pressure increase-pressure release pulse type operation for each round of replacement; the supporting device is provided with a parallel hot nitrogen gas supply unit and a cold nitrogen gas supply unit, a DCS interlocking control system and an annular tangent air inlet pipeline at the bottom of a storage bin. The application greatly improves the replacement efficiency and completeness of the materials containing carbonyl substances, shortens the replacement time by more than 80%, avoids problems such as material hardening, channeling and burning of material bags caused by continuous high temperature, guarantees continuous, stable and safe operation of carbonylation metallurgy production, and reduces production cost.

A valve and multi-vessel evacuation system are provided that allow for evacuating each vessel of a high-pressure vessel array upon activation of a single pressure release device (PRD). Each vessel is fluidly coupled to a respective inlet of the valve and to a respective PRD. Each of the PRDs is fluidly coupled to a secondary inlet of the valve. During normal operation, the valve blocks fluid communication between the vessels and their respective vent lines, and the PRDs block fluid communication between the vessels and the secondary inlet of the valve. When at least one of the PRDs is triggered, pressurized fluid passes through the triggered PRD and flows to the secondary inlet of the valve, at which point the pressurized fluid actuates the valve. With the valve actuated, pressurized fluid from each of the vessels can evacuate to atmosphere through the valve and corresponding vent lines.

The utility model relates to a kind of integrated plastic processing equipment of pulverization recycling, belong to plastic recycling technical field, and include: pulverization box;Rotary shaft, it is hollow columnar rotation and is set in pulverization box, and array is provided with pulverization blade on the rotary shaft outer wall;Material withdrawal unit, it is fixedly arranged between rotary shaft outer wall and pulverization blade.The utility model is set by air cylinder, piston plate and material withdrawal ring, air cylinder is inflated to pressurize, piston plate is moved to gas port exposure by overcoming elastic force, so that pressurizing chamber is pressure released, after the elastic reset of piston plate, air cylinder continues to inflate and realizes periodic reciprocating motion, and the reciprocating motion of piston plate drives material withdrawal ring to periodically slide and withdraw material on the surface of pulverization blade, effectively avoid that plastic is stuck on pulverization blade and lead to unable to pulverize and cut plastic, without manual cleaning of pulverization blade, ensure that plastic can be cut fully, effectively improve pulverization effect and efficiency.

The application discloses a kind of system and method based on idle water tunnel to carry out compressed air energy storage, it is related to air energy storage technical field, including gas storage subsystem, it includes cave body, with the cave body is connected with spare warehouse by safety valve;With the air compression subsystem being connected with the gas storage subsystem;With the gas storage subsystem other side is connected with the power generation subsystem, it includes second heat exchanger, with the second heat exchanger output end is connected with second storage warehouse, with the second heat exchanger is connected with air expander, and with the air expander is connected with generator;And, power grid subsystem.The application can release the pressure inside cave body in time because of the use of spare warehouse, and can monitor the pressure in cave body in real time, prevent waste caused by excessive pressure release, and systematic calculation can ensure more accurate value, and does not need to judge by artificial experience in the past.

The application discloses a ring pressure release valve, which comprises a main body, an intermediate cavity is formed in the main body, an extension column is vertically formed in the center of the intermediate cavity, an air outlet channel and an installation channel are formed in the extension column and are communicated with each other, the air outlet channel and the installation channel respectively penetrate the main body downward and upward, a pair of air inlet holes are formed in the bottom of the installation channel, a pair of first air outlet holes are formed in the middle of the installation channel, the air inlet holes are communicated with the intermediate cavity and the lower part of the installation channel, the first air outlet holes are communicated with the intermediate cavity and the middle part of the installation channel, a pair of second air outlet holes are formed in the main body and are communicated with the outside and the middle part of the installation channel, a sliding rod is longitudinally arranged in the installation channel, a fixed plug is arranged at the bottom of the sliding rod, a spring is arranged at the top of the fixed plug, and the spring is sleeved on the sliding rod.

The application discloses a pressure release valve with locking and rainproof functions, which comprises a valve seat, the outer wall of the top end of the valve seat is tightly combined with a membrane disc, the top end of the membrane disc is fixedly connected with a marker rod, the top end of the marker rod is fixedly connected with a rainproof cap, the outer wall top end of the marker rod is threadedly connected with a locking rivet, the outer side of the locking rivet is fixedly connected with a valve cover, and the outer wall of the valve cover is connected with a guide column penetratingly in the up-down direction. The pressure release valve with locking and rainproof functions has the special locking function, the locking structure is simpler than the existing structure, the locking function is more stable, the pressure release valve with the rainproof function and the special action alarm mark can greatly improve the stability of the release valve during operation, namely, the distinctness of the alarm mark after the action of the release valve is ensured, meanwhile, the rainproof property of the release valve is ensured, and the reliability of the release valve is greatly improved.

This utility model belongs to the field of massage equipment, and specifically relates to a waist belt massager including a support plate. The waist belt body is connected to a core assembly, the lower end of which is connected to multiple sets of air bags. The core assembly contains an air pump, air valve, air pipes, and air pipe connectors. The multiple sets of air bags are connected to the air valve through one set of air pipe connectors and air pipes, and to the air pump through another set of air pipe connectors and air pipes. By setting multiple independent sets of air bags and controlling the independent inflation and deflation of each set, diverse massage combinations can be achieved. The elastic support plate can adapt to the curves of the human body, allowing the air bags to better conform to the body and better transmit the pressure released from the air bags, thus improving massage comfort and enhancing the massage experience. A vibration module controlled by a control circuit board can massage the human body, while a heating module and a red light module controlled by the control circuit board can respectively achieve heat therapy massage and red light massage.

A forging apparatus and a method for determining errors during the forging process are disclosed. This forging apparatus can prevent scratch defects caused by excessive pressure applied to the opening of a battery casing during the forging process. The forging apparatus according to an embodiment of this disclosure performs a forging process that compresses the opening of a cylindrical battery casing in which electrode assemblies are housed. The forging apparatus includes: a forging module comprising a housing and a pressing operation member and a pressing member disposed within the housing; the forging module is configured to compress the opening of the battery casing by operating the pressing operation member and the pressing member in an operating direction parallel to the central axis of the battery casing between a pressure release position and a pressing position; a load measuring member mounted in the housing and configured to measure the load applied by the pressing operation member in the operating direction at the pressing position; and a forging process error determining member configured to determine the forging process error based on the measured load applied by the pressing operation member in the operating direction.

The utility model relates to carton compression resistance buffer pad technical field discloses a kind of carton compression resistance buffer inner pad structure, including placement bottom plate, the bottom of the placement bottom plate is equipped with buffer groove, the bottom of the placement bottom plate is fixedly connected with buffer rubber column, the top of the placement bottom plate is fixedly connected with damping sleeve, the top of the damping sleeve is slidably connected with damping support column.The utility model is through setting up damping sleeve and damping support column symmetry distribution, through sliding friction consumption kinetic energy, the transmission speed of delaying pressure to bearing top plate, reduce the influence of secondary impact to internal article, damping structure can be self-adapting different load, keep buffering efficiency stable, through setting up buffer spring connection bearing top plate and placement bottom plate, store energy after being pressed and provide reverse spring force in pressure release stage, buffer support and buffer sleeve form sliding pair, further absorb residual vibration, improve the buffering efficiency of equipment whole.

The application discloses a kind of highway side slope water expansion crack blasting removal dangerous rock construction methods, belong to geological disaster prevention technical field;It first uses total station to measure and loft dangerous rock mass of side slope, calibrates dangerous rock removal range, installs active protection net, drilling hole position and water expansion crack equipment installation platform position;Then erect drilling operation platform and carry out drilling construction, after drilling is completed, clear hole, check hole;Then install water expansion crack ware, connect high pressure pipeline system;Afterwards, start high pressure pump station, slowly inject water into water expansion crack ware and pressurize, according to the operation procedure of grading pressurization, pressure stabilization, pressure release, make dangerous rock mass crack and break along design surface;Again, dangerous rock that has been expanded and cracked is cleaned, and is removed out of slope surface;Finally, dangerous rock rock debris is transported to designated spoil ground.The application makes rock mass orderly break along preset surface under the condition of no flying stone, no vibration, no dust, and is suitable for high side slope dangerous rock removal, highway side slope danger removal and other projects.

The utility model provides an air side economizer, including the economizer casing, the fresh air chamber and the return air chamber of being separated to be located in the economizer casing, first return air port and second return air port, interval is located in the economizer casing and is connected return air chamber respectively, first return air duct and second return air duct, the indoor side of target unit is connected with first return air port, second return air port respectively, the length of first return air duct is less than second return air duct, a plurality of fresh air damper, be located in the confluence department of fresh air chamber and indoor side, be used for controlling the fresh air volume of the outdoor side of target unit and fresh air chamber into indoor side, a plurality of return air damper, be located in the confluence department of return air chamber and indoor side, be used for controlling the return air volume of return air chamber into indoor side, first pressure release port and second pressure release port, interval is set up in the confluence department of economizer casing and outdoor side and is matched first return air port and second return air port respectively, a plurality of first pressure release air valve and a plurality of second pressure release air valve, are located in first pressure release port and second pressure release port respectively.

This utility model relates to the field of battery box equipment and discloses a three-protection cover for a battery box used on electric vehicles. The cover includes a box body, a top cover detachably connected to the upper surface of the box body, and slide rails fixedly connected to the left and right surfaces of the box body. A protective component is installed inside the box body, and an auxiliary component is installed on the upper surface of the top cover. The auxiliary component includes a mounting groove, a connecting seat fixedly installed at the left end of the inner wall of the mounting groove, a pressure relief valve fixedly installed at the right end of the inner wall of the mounting groove, and a light-transmitting plate fixedly installed at the axial center of the upper surface of the top cover. In this utility model, the interoperability of the top cover, light-transmitting plate, hydraulic valve, and other components facilitates battery charging, pressure release, status observation, and equipment handling, while ensuring the battery box is securely installed on the electric vehicle. This improves the overall practicality and safety of the equipment and simplifies the installation and maintenance process of the battery box.

A suspension fork for a vehicle comprises an upper tube and a lower tube that slides against the upper tube, together defining an interior space. A dust cap is positioned on the upper tube. A compression damping assembly is located within this interior space and includes a bump stop positioned near the dust cap and an elastomeric compression damping element attached to the bump stop. An air pressure relief device may be integrated into the dust cap. The suspension fork provides enhanced compression damping protection and air pressure relief.

A motion simulator system is disclosed that includes a freely rotatable movable frame supported by, but unattached to, a hemispherical base. The movable frame comprises a spherical enclosure constructed from rigid, lightweight materials such as composite materials or interlocking panels, providing unlimited 360-degree rotation in all three rotational degrees of freedom (pitch, roll, and yaw). An internal actuator system coupled to the movable frame controls attitude positioning while the center of rotation remains substantially fixed relative to the base. Low friction engagement between the movable frame and base is achieved through transfer bearings integrated into the base's outer surface or by pressure-vented air cushions. The system enables smooth, continuous rotation of the untethered movable frame for enhanced motion simulation applications.

Battery, characterized in that it comprises a battery assembly (20), wherein the battery assembly (20) comprises at least one battery cell (21), the battery assembly (20) is arranged along a first direction, wherein the first direction is the longitudinal direction of the battery (10) or the direction of movement of an electrical device (1) into which the battery (10) is installed; wherein the battery cell (21) comprises several surfaces, the several surfaces comprising a first surface (2111) with the largest surface area, wherein the several surfaces further comprise two opposing second surfaces (2121), the two second surfaces each being connected to the first surface, wherein the battery cell (21) further comprises a pressure relief mechanism (215), the pressure relief mechanism (215) being arranged on the first surface or one of the second surfaces (2121).

The present application relates to the field of electrolytic copper foil production, and particularly relates to a mechanical shielding device for a trough bottom of a green foil machine for electrolytic copper foil, which comprises a green foil machine trough body, the inner wall of the green foil machine trough body is fixedly connected with a mounting base, the top of the mounting base is fixedly connected with a butt joint rod, the inner wall of the green foil machine trough body is provided with an insulation mechanism, the insulation mechanism comprises a magnetically conductive base, the magnetically conductive base is slidingly connected to the surface of the butt joint rod, the present application can quickly complete the replacement or cleaning of a single magnetically conductive base without emptying the trough liquid through the insulation mechanism, prevents the deposition and reverse rolling of anode mud, achieves the effect of improving the surface smoothness of the copper foil, and solves the problem that the existing trough bottom shielding device is mostly fixed on the trough bottom in a whole type of insulating plate, and the whole type of shielding plate is fixed through bolts or heavy weight pressure release, when the anode mud deposited on the bottom needs to be cleaned or the damaged parts need to be replaced, the electrolyte of the trough body must be emptied, which is time-consuming and laborious, and seriously affects the production efficiency.

The application relates to the technical field of microwave oven capacitors, in particular to an explosion-proof microwave oven capacitor, which comprises a shell, a protective cover is arranged outside the shell, and a pressure release assembly is arranged between the shell and the protective cover; the pressure release assembly comprises limiting columns, a traction rope and an elastic ball, the limiting columns are arranged at two ends of the protective cover, the traction rope is arranged between the two limiting columns, the elastic ball is fixedly connected with the traction rope, side plates parallel to the protective cover are fixedly connected to the two sides of the elastic ball, the elastic ball comprises two elastic hemispherical shells, a work-shaped block is arranged between the two elastic hemispherical shells, elastic plates are fixedly connected between the elastic hemispherical shells and the work-shaped block, the traction rope is fixedly connected with the work-shaped block, and smooth plates are fixedly connected to opposite sides of the elastic hemispherical shells. The technical problem that the existing capacitor is difficult to release pressure for buffering when being extruded and improve the heat dissipation capacity to reduce the possibility of damage caused by excessive heat of the capacitor when being extruded is solved.

The present application relates to the technical field of lithium battery, especially to a car battery pack, a car and a packaging method of the car battery pack, the car battery pack provided by the present application comprises a bottom cover, a top cover and a battery module, a battery compartment is formed between the bottom cover and the top cover, and a plurality of pressure relief holes are formed in the bottom cover; the battery module is arranged in the battery compartment, the battery module comprises a plurality of battery cells, one end of the plurality of battery cells towards the bottom cover is provided with a pressure relief structure, and the plurality of pressure relief structures are respectively arranged corresponding to the plurality of pressure relief holes. The car battery pack provided by the present application can provide a direct, fast and efficient pressure release channel for each battery cell, realize timely response and effective protection of the abnormal battery cell, and ensure that the battery pack can maintain good safety performance when facing single or multiple abnormal battery cells.

Regarding a board cutting device that cuts intermediate workpieces from a long workpiece, the technical challenge was to develop a workpiece feeding and retraction device that can push the long workpiece to the cutting position while slightly retracting the remaining long workpiece, and a board cutting device that applies this device. [Solution] The workpiece feeding and returning device 2 of the present invention comprises a traveling beam, a lifting frame supported by the traveling beam and shifted up and down by a lifting shift cylinder 36, and an extrusion chuck unit 5 supported by the lifting frame. The extrusion chuck unit 5 comprises an extrusion plate 51 that is supported by a unit support arm 44 of the lifting frame and can protrude forward, a chuck plate 55 that is movable in the vertical direction, and a lower pressing claw 54 provided below the chuck plate 55. The lifting frame is characterized in that a biasing means S is provided between the lifting frame and the traveling beam to slightly raise the lifting frame when the pressure of the lifting shift cylinder 36 is released.

The utility model discloses a kind of transformer structures with air layer of box cover, including box cover, air box, hanging plate, pressure release valve and protective baffle, the box cover top is fixedly provided with air box, the inside of the air box is communicated with the bottom of box cover, several hanging plates are fixedly arranged on the air box, the outer side wall of the air box is provided with the pressure release valve being communicated with the inside of air box, the outer side of the pressure release valve is provided with protective baffle, the height of transformer oil tank can be directly reduced, the pressure that oil expansion brings to oil tank caused by the temperature rise of transformer with load is relieved, oil tank processing and assembly are more convenient, transformer product overall appearance is more harmonious and beautiful, operation is safer and more reliable.

This invention provides a pressure release structure, a manufacturing process thereof, and an explosion-proof method that realize a safe pressure release function when the pressure inside the container body is too high, thereby improving the safety and reliability of the container. [Solution] The pressure release structure includes a container body, the container body includes at least a case and a lid 12, at least a portion of the case has at least one weak area molding strip fitted into it, and / or at least one weak area molding strip 3 fitted into the lid has at least one weak area molding strip fitted into it, the lid has at least one weak area molding strip fitted into it, the thickness of the lid is greater than the fitting depth into which the weak area molding strip is fitted into the lid. The present invention protects the container body from damage by fitting the weak area molding strip into the container body to form a pressure release weak area, which will rupture or deform first when pressure is released, releasing the internal pressure.

The utility model discloses an explosion -proof reactor, including reactor body, the reactor body inside is installed with heat dissipation subassembly, the reactor body top is installed with pressure release valve, the pressure release valve top is installed with cleaning subassembly, the heat dissipation subassembly includes the slot, install the fin in the slot, the slot one side is established with the rotary groove, the rotary groove inner fixedly has the fixed link, rotates and be connected with the rotary ring on the fixed link, the rotary ring side fixed limit stopper block, through setting heat dissipation subassembly, make can increase the heat dissipation area after reactor long -time use, to can improve the heat dissipation efficiency of reactor, can also reduce the aging speed of coil simultaneously, thereby reached the life of reactor is prolonged, simultaneously through the clamping slot and the buckle, make can install and detach to the fin, thereby can replace the fin of performance decline, reach the best heat dissipation effect to explosion -proof reactor.

The utility model belongs to the technical field of safety insurance, concretely relates to a gradient pressure damper of anchor cable. Including can be fitted in the positioning sleeve of constituting anchor cable end, the positioning sleeve is constituted by positioning ring and sleeve of integral structure with it, the sleeve lower part of constituting the positioning sleeve is sleeved with the variant ball cover, the variant ball cover is connected with sleeve between and forms the annular groove with the positioning ring of constituting the positioning sleeve, at least one sleeve type pipe cover is provided in annular groove. Since the anchor cable through the damper sleeve, when its tensile stress becomes big, the annular deformation cover of constituting pressure damper, variant ball cover can be flattened in turn and deformed, forms the pressure release of anchor cable tension force in turn, effectively avoids the problem that anchor cable breaks and causes its failure, the pressure damper has the advantages of compact structure, safe use, economic durability.