178 results about "High pressure chamber" patented technology

A tether-less recoil kit for a weapon having a trigger with a receiver insert, an air connector plate, and a high-pressure air drum magazine. The receiver insert is configured for attachment to a receiver of a weapon and has a charge chamber and a bolt carrier. The charge chamber has a plunger extending through a rear end of the charge chamber and an air-receiving nipple configured to receive air into the charge chamber. The air connector plate fluidly couples the high-pressure air drum magazine to the receiver insert. The high-pressure air drum magazine has a high-pressure chamber within an outer housing and an air regulator configured to selectively pass air from the high-pressure chamber to the air connector plate. When the bolt carrier impacts the plunger, a burst of air may be released from the air connector plate into the charge chamber.

A reusable upper stage rocket or other atmospheric re-entry vehicle includes a nose, a base opposite the nose, and a propulsion engine toward the base. The propulsion engine includes a high pressure chamber and a nozzle configured to exhaust gas generated by the high pressure chamber. The nozzle includes an initial nozzle portion, a secondary nozzle portion downstream of the initial nozzle portion, and a nozzle exit at a downstream end of the secondary nozzle portion. The secondary nozzle portion includes an inner expansion surface, an outer expansion surface outboard of the inner expansion surface, and an expansion cavity defined between the inner expansion surface and the outer expansion surface.

The invention discloses a combined high-low voltage switch cabinet which comprises a cabinet body and a low-voltage chamber and a high-voltage chamber located in the cabinet body, a door plate is arranged at an opening of the cabinet body, an expansion frame is arranged between the cabinet body and the door plate, a containing cavity for containing a conveying pipe is formed in the expansion frame, containing grooves communicated with the containing cavity are formed in the upper end and the lower end of the expansion frame, and the conveying pipe is communicated with a conveying pump. A storage box for storing a fire extinguishing agent is arranged outside the cabinet body, the input end of the conveying pump is communicated with the storage box, a rotating rod is horizontally and rotationally arranged on the upper side of the inner wall of the low-pressure chamber, a heat insulation pad is wound on the rotating rod, and a containing cavity is further formed in the expansion frame; a rotating cylinder for winding an inflatable cushion is vertically arranged in the placement cavity, one end of the inflatable cushion is located in the expansion frame, the other end of the inflatable cushion is communicated with the interior of the rotating cylinder, the lower end of the rotating cylinder is communicated with an air pump through an air delivery pipe, and when a traditional middle cabinet body breaks down and catches fire, people are inconvenient to carry out emergency protection in the first time, people can be conveniently protected in time.

The invention discloses a dustproof box transformer with a ventilation function, and relates to the technical field of box transformers, the dustproof box transformer comprises a frame, ventilation box doors with air inlets are movably connected to two ends of a transformer chamber and one side of a high-voltage chamber and one side of a low-voltage chamber, and flow guide mechanisms corresponding to the air inlets are mounted below the inner sides of the ventilation box doors. The flow guide mechanism on the inner side of the ventilation box door abuts against the bottom of the equipment shell through the elastic telescopic plate, external cold air is forcibly guided to the bottom of the equipment, heat dissipation airflow penetrating through the whole equipment from bottom to top is formed, and the problems that in a traditional heat dissipation scheme, airflow is diffused, and key heating areas cannot be effectively cooled are solved; an independent heat dissipation mode and a linkage heat dissipation mode are intelligently switched according to the temperature threshold value of the high-voltage chamber and the low-voltage chamber, only forced air draft is conducted on the transformer chamber in the non-high-temperature period, a communication hole is opened at the high temperature to achieve global heat dissipation, the heat dissipation effect is guaranteed, meanwhile, energy consumption is reduced, and the energy-saving and intelligent requirements are met.

The invention discloses a gas film performance test system and method for a hollow single crystal turbine blade, relates to the technical field of optical cables, and can solve the problem that the gas film performance of the hollow single crystal turbine blade is difficult to test at present. The embodiment of the invention discloses a hollow single crystal turbine blade gas film performance test system, which comprises a simulation cabin, a shooting assembly, a first gas supply assembly and a second gas supply assembly, and is characterized in that a high pressure chamber is arranged in the simulation cabin, the first gas supply assembly is communicated with the high pressure chamber, and one end, far away from the first gas supply assembly, of the high pressure chamber is provided with an exhaust port; a blade mounting chamber is arranged on the rear side surface of the simulation cabin; the second gas supply assembly is communicated with the blade mounting chamber and is used for supplying colored gas to the inner cavity of the blade; the shooting assembly comprises a first camera and a second camera, and the first camera and the second camera are arranged at the top and the bottom of the simulation cabin respectively.

The utility model discloses a device for puncturing a cotton piece, which comprises a rack and a controller, and a humidifying chamber, a high-pressure chamber and a drying chamber are arranged on the rack. According to the device, a traditional needling technology is abandoned, high-pressure air is adopted as a medium, when a humidified cotton piece passes through a high-pressure chamber, the cotton piece is punctured through the high-pressure air sprayed out of a high-pressure box, and double-face puncturing of the cotton piece is achieved through the special space layout of a first conveying mesh belt and a second conveying mesh belt; strong pressure enables fibers on the surface of the cotton piece to move to the deep layer of the cotton piece, fibers in the fiber web are mutually entangled, the tension of the cotton piece is improved, the cotton piece is finally subjected to air high-pressure puncture and high-temperature treatment, the shape of the formed cotton piece is changed, the cotton fiber reaches ideal throwing degree, the tension reaches the required standard, and meanwhile, due to no strong intervention of physical felting needles, the cotton piece can be well fixed. And the fluffy feeling of the surface of the cotton piece cannot disappear.

An orthoplanar spring for a hydraulic tensioner which has a flat, closed position, in which a flat center portion of the orthoplanar spring seals the inlet hole between the oil supply and the high pressure chamber of the tensioner and an open deformed position in which the flat center portion of the orthoplanar spring moves a distance to unseal the inlet hole such that fluid flows from the inlet supply through the openings in the orthoplanar spring and around the flat center portion to the high pressure chamber.

The invention discloses a rapid deployment method and system for a mobile high-voltage chamber, and relates to the technical field of high-voltage chamber deployment. According to the method, preliminary exploration is completed by establishing an exploration machine group composed of a plurality of unmanned aerial vehicles, and a deployment area is formed in combination with ground personnel checking and site optimization; after being preassembled in a factory, the mobile high-pressure chamber is transported by a heavy truck with a hydraulic suspension system and is matched with laser positioning and AR alignment to realize high-precision hoisting; electrical equipment adopts an automatic docking mechanism composed of a prefabricated cable primary and secondary connector and an electric push rod to complete docking, and is equipped with an annular air bag to deal with rain and snow weather. The problems of low investigation efficiency, poor positioning precision, insufficient electrical docking reliability and poor protection in severe weather in traditional deployment are solved, the mobile high-voltage chamber deployment efficiency and stability are remarkably improved, and the mobile high-voltage chamber deployment method is suitable for electric power emergency guarantee, electric power construction in remote areas and temporary power utilization scenes.

The present invention belongs to the field of impact testing technology and discloses a buffering friction brake device suitable for high-speed moving objects of varying diameters. The device comprises a high-pressure gas chamber and a guide cylinder sealed to the high-pressure gas chamber. A quick-response pressure relief device is provided at one end of the gas chamber connected to the guide cylinder. The accelerated object is positioned on the side of the quick-response pressure relief device away from the high-pressure gas chamber. The guide cylinder is provided with a braking device comprising: a friction sleeve movably disposed within the guide cylinder, the friction sleeve having a buffering energy-absorbing structure therein; and a braking friction sleeve fixed to the end of the guide cylinder, the braking friction sleeve having a brake friction pad therein. A control method is also provided. The device and method are simple in structure, reduce costs, and improve safety and stability.

The present invention discloses a non-contact sight cleaning device, comprising a water tank, a pressurizing structure, an air tank, a first solenoid valve, a second solenoid valve, a nozzle, a pressurizing device, and a controller. The water tank output end is connected to the nozzle via the pressurizing structure, and the air tank is connected to the pressurizing structure and the nozzle respectively. The output end connected to the pressurizing structure is provided with a first solenoid valve, and the output end connected to the nozzle is provided with a second solenoid valve. The pressurizing structure includes a pressurizing chamber and a gravity valve. The pressurizing chamber is provided with a water inlet, a water outlet, and an air inlet. The water inlet is connected to the water tank output end and is provided with a gravity valve. The water outlet is connected to the nozzle, and the air inlet is connected to the air tank. The controller is electrically connected to the first solenoid valve, the second solenoid valve, and the pressurizing device. The advantages of the present invention are that the device not only does not require contact with the sight, thus preventing damage to the sight surface, but also the cleaning liquid, after being pressurized in the high-pressure chamber, forms a jet with impact force, which can effectively remove dirt on the sight surface and improve the cleanliness of the sight cleaning device.

The invention relates to the technical field of prefabricated substations, in particular to an outdoor prefabricated substation. Comprising a transformer substation body, the interior of the transformer substation body is divided into a high-voltage chamber, a transformation chamber and a low-voltage chamber, a protection chamber is installed in the low-voltage chamber, a load switch is installed in the protection chamber, the protection chamber comprises a base, and the top of the base is fixedly connected with a top frame; two side protection covers are slidably mounted between the base and the top frame, a driving mechanism is mounted in the base, the driving mechanism drives the side protection covers to be closed to form a sealed space, internal air is pumped out through a negative pressure pump, oxygen is reduced, and the oxygen is provided for fire. Therefore, the problem that in the background technology, the body is exposed in the air in the fire disaster, and consequently the fire behavior is aggravated is solved.

The invention provides an ultrahigh pressure sterilization device for litchi juice production, and belongs to the technical field of food non-thermal processing. The device comprises a high-strength ultrahigh-pressure cavity, a pressurizing pump, an inert gas protection tank, a temperature regulation and control module, a tank body sealing cover and an intelligent control cabinet. During working, nitrogen or argon is filled before pressurization to replace oxygen in the cavity, so that the oxygen concentration is less than or equal to 1%; and then maintaining the pressure for 2-8 minutes under the conditions that the pressure is 300-600 MPa and the temperature is 5-25 DEG C, so that efficient sterilization is realized, browning is effectively inhibited, and vitamin C and natural flavor are reserved. The device adopts the mesh basket with micropore distribution to ensure uniform pressure transmission, integrates automatic discharging and CIP cleaning functions, and is suitable for continuous production of pulp-containing litchi pulp. The total bacterial count of the treated litchi juice is smaller than or equal to 10 CFU / mL, the retention rate of vitamin C is larger than or equal to 90%, the color difference change is small, and the shelf life at 4 DEG C reaches 30 days or above and is remarkably superior to that of a traditional heat sterilization process.

The invention discloses a fire early warning method and system for a high-voltage chamber, a switching station and a power distribution room, and belongs to the technical field of fire early warning, and the fire early warning method for the high-voltage chamber, the switching station and the power distribution room comprises the steps: obtaining monitoring quantities in the high-voltage chamber, the switching station and the power distribution room, and constructing a monitoring quantity operation safety domain; comprehensively judging an abnormal monitoring quantity separated from the operation safety domain based on an out-of-limit criterion and a two-dimensional discrete wavelet transform modulus maximum; predicting the development and change trend of the abnormal monitoring quantity based on the bidirectional long-short-term memory network, and obtaining a predicted value within a set time after the current measured value of the abnormal monitoring quantity; and if the predicted value meets any rule in the early warning rule base, triggering a three-level early warning system associated with the fire occurrence urgency degree, and sending out an early warning signal and / or starting a linkage measure. According to the invention, the reliability, rapidity and sensitivity of fire early warning are improved by effectively identifying, processing and utilizing the multi-dimensional abnormal information appearing before the fire occurs and reasonably using the artificial intelligence algorithm at a proper time.

The plunger pump comprises a pump body, a high-pressure cavity, a low-pressure cavity and a pressure regulating valve, the high-pressure cavity, the low-pressure cavity and the pressure regulating valve are arranged in the pump body, a mounting part is arranged on one side of the pump body, a mounting groove is formed in the mounting part, a first flow channel and a second flow channel are formed in the side wall of the mounting groove, the first flow channel is communicated with the low-pressure cavity, and the second flow channel is communicated with the low-pressure cavity. The runner II is communicated with the high-pressure cavity; a choke plug is inserted in the mounting groove, and a first circulation groove and a second circulation groove are formed in the choke plug. A steel ball is arranged in the first circulation groove, a supporting ring is arranged in the mounting groove, a placing ring groove is formed in the position, corresponding to an inlet of the first flow channel, of the bottom of the mounting groove, a spring is placed in the placing ring groove, the spring penetrates through an inner hole of the supporting ring and extends into the first circulation groove, and the top end of the spring abuts against the steel ball. The low-load soft start circuit can realize low-load soft start.

An orthoplanar spring for a hydraulic tensioner which has a flat, closed position, in which a flat center portion of the orthoplanar spring seals the inlet hole between the oil supply and the high pressure chamber of the tensioner and an open deformed position in which the flat center portion of the orthoplanar spring moves a distance to unseal the inlet hole such that fluid flows from the inlet supply through the openings in the orthoplanar spring and around the flat center portion to the high pressure chamber.

The utility model relates to the technical field of novel silicon sludge scouring, in particular to a novel silicon sludge scouring device which comprises a water receiving hose, a high-pressure chamber is fixedly installed at the top end of the water receiving hose, a spray head base is fixedly installed at the top of the high-pressure chamber, and a water inlet is formed between the spray head base and the high-pressure chamber. The nozzle base is arranged on the base, micro holes are formed in the inner wall of the nozzle base, a sealing bearing is fixedly mounted on the inner wall of the nozzle base, a backwashing device is arranged at the top of the sealing bearing, and a scraper device is arranged at the top of the backwashing device. The spiral pipeline enables the spray head body to rotate at the top of the spray head base through the sealing bearing, the rotating spiral pipeline not only increases the water flow covering area and improves the cleaning efficiency, but also can generate a certain mechanical stirring effect, and is beneficial to better loosening and removing silicon sludge sediments in a trench.

The utility model provides an energy storage converter boosting device, and relates to the technical field of energy storage, and the device comprises a box body pedestal, and a high-voltage chamber, a transformer chamber and an energy storage converter module which are disposed on the box body pedestal. A high-voltage cabinet and a monitoring cabinet are mounted in the high-voltage chamber; a transformer is mounted in the transformer chamber; the high-voltage cabinet, the transformer and the energy storage converter module are connected in sequence; the monitoring cabinet is connected with the energy storage converter; a first side plate of the transformer chamber is provided with a double-layer door, a transformer chamber door is mounted on the outer side, and a transformer net door is mounted on the inner side; air inlet shutters are arranged at the lower parts of the transformer chamber door and the first side plate; a fan and a fan cover are arranged on the top of a second side plate of the transformer chamber, and the first side plate and the second side plate are oppositely arranged. According to the invention, the heat dissipation effect of the transformer in the energy storage converter boosting device can be effectively guaranteed.

The present application relates to the technical field of cooling liquid treatment, in particular to a cooling liquid heat dissipation device for a machine tool cooling system, comprising a low-pressure chamber and a high-pressure chamber, a heat exchange unit is arranged in the middle of the low-pressure chamber, the inside of the low-pressure chamber is provided with a steam area and an atomization area on the upper and lower sides respectively, an atomizer capable of atomizing part of the cooling liquid stored in the atomization area is arranged in the atomization area, and a liquid supply pipe is arranged at the bottom of the low-pressure chamber; by atomizing and low-pressure evaporating part of the cooling liquid, the cooling liquid can absorb heat and exchange heat with the cooling liquid in the heat exchange unit, so that the cooling and heat dissipation treatment of the cooling liquid is realized; this method does not need to rely on other media, is convenient to operate, saves cost, and the atomization treatment can improve the evaporation effect and evaporation efficiency.

1. The name of the design product: electronic device for high pressure oxygen cabin password operation graphical user interface. 2. The use of the design product: an electronic device. 3. The design points of the design product: the graphical user interface of the high pressure oxygen therapy device. 4. The picture or photo that best shows the design points: design 1 interface change state figure 3. 5. Design 1 is designated as the basic design. 6. The use of the graphical user interface: the graphical user interface for the high pressure oxygen therapy device, which guides the user to enter the interface and realize the function operation related to the work of the high pressure oxygen therapy device. 7. The human-computer interaction mode of the graphical user interface: design 1 main view is the initial interface; in the state of starting, click anywhere on the interface to jump to design 1 interface change state figure 1; click the "eye" pattern on the right of "please enter the password" on design 1 interface change state figure 1, and input the correct password, then display design 1 interface change state figure 2 to close the password interface; click the "complete" button in design 1 interface change state figure 2 to jump to design 1 interface change state figure 3; click "internal atmosphere lamp" or "external atmosphere lamp" in design 1 interface change state figure 3, then display design 1 interface change state figure 4; click the "kangyao start" button in design 1 interface change state figure 4, if the device fails, then display design 1 interface change state figure 5. Design 2 main view is the initial interface; in the state of starting, click anywhere on the interface to jump to design 2 interface change state figure 1; click the "eye" pattern on the right of "please enter the password" on design 2 interface change state figure 1, and input the correct password, then display design 2 interface change state figure 2 to close the password interface; click the "complete" button in design 2 interface change state figure 2 to jump to design 2 interface change state figure 3; click the "kangyao start" button in design 2 interface change state figure 3, if the device fails, then display design 2 change state figure 4.

A scroll compressor is provided. The scroll compressor includes a housing, a fixed scroll member and an orbiting scroll member housed in the housing, the orbiting scroll member configured to be engaged with the fixed scroll member and orbitable with respect to the fixed scroll member to compress a working fluid, a partition configured to partition a space in the housing into a high-pressure chamber and a low-pressure chamber, and a positioning member provided between the partition and the fixed scroll member and configured to position one of the partition and the fixed scroll member with respect to the other of the partition and the fixed scroll member upon assembly. According to the scroll compressor of the present disclosure, by positioning the positioning member directly between the partition and the fixed scroll member, a tolerance chain between a discharge assembly and the fixed scroll member is shortened, and a tolerance between the discharge assembly and the fixed scroll member can be reduced.

The present invention discloses a ball-type pneumatic valve pressure stabilization device and experimental method in the field of pressure stabilization experimental technology. The ball-type pneumatic valve pressure stabilization device includes a hydraulic controller, a hydraulic actuator, a compression plate, a compression spring, a ball cap, a valve ball, a nozzle, a mounting bracket, a high-pressure chamber, a pressure sensor, and a pipeline interface. Pressure sensors and pipeline interfaces are provided on both sides of the high-pressure chamber. A nozzle and a mounting bracket are provided on the top of the high-pressure chamber. A hydraulic actuator is provided on the top of the mounting bracket, and the hydraulic actuator is electrically connected to the hydraulic controller. A compression plate and a compression spring are installed in sequence below the hydraulic actuator. The bottom of the compression spring is sleeved on the top of the ball cap. The valve ball is installed between the ball cap and the nozzle. The ball-type pneumatic valve pressure stabilization device and experimental method have a simple structure, are easy to process and install, and have low maintenance costs.

The hydraulic lash adjuster comprises a shell assembly and a plunger, the shell assembly is provided with an exhaust part, an oil supply chamber is arranged in the plunger, and the plunger is movably connected to the interior of the shell assembly and matched with the shell assembly to form a high-pressure chamber and a leakage gap communicated with the high-pressure chamber. The leakage gap and the exhaust part are independently arranged, the exhaust part can block oil in the high-pressure chamber and exhaust gas in the oil out of the shell assembly towards the side deviating from the high-pressure chamber, and meanwhile the invention further discloses an engine applying the hydraulic gap adjuster and a vehicle applying the engine. The technical problem that the working reliability is insufficient due to the fact that gas separated out of oil in a high-pressure chamber in an existing hydraulic lash adjuster is accumulated and cannot be discharged in time is solved.

The utility model discloses a be applicable to high altitude type wind power box transformer of north guizhou area, including wind power box transformer body, high pressure chamber, low pressure chamber and transformer room are arranged in wind power box transformer body respectively, install wind power step -up transformer on transformer room, through set up anti -icing mechanism mechanism etc.

A pressure reduction device e.g. for gas mains, and having a slam shut valve, has a valve with a valve disc 336, actuator assembly 330, 332, 334 and a valve seat 312, high pressure chamber (100a, fig

A compressor unit includes a compressor body including a compression mechanism, and an accumulator connected to the compressor body. The compression mechanism includes a cylinder, a piston to rotate eccentrically in the cylinder, and a blade partitioning an interior of a compression chamber of the cylinder into low and high pressure chambers. A frequency one time an operation frequency n of the compressor body and a frequency three times the operation frequency n of the compressor body are a 1n frequency and a 3n frequency, respectively. A phase difference θ between a phase of a transfer function of the 1n frequency of the accumulator and a phase of a transfer function of the 3n frequency of the accumulator is −20°≥θ≥−60° with respect to a peak of the 1n frequency where the phase lag is positive, at a maximum number of revolutions of the compressor body.

The utility model belongs to the technical field of hydraulic devices, and provides a reversing valve and a hydraulic breaking hammer, the reversing valve comprises a fixed part and a movable part arranged in the fixed part in a sliding mode, and the fixed part and the movable part are matched to form a high-pressure cavity, a pressure relief cavity and a signal cavity. The signal cavity is arranged between the high-pressure cavity and the pressure relief cavity, a low-pressure stabilizing hole channel and a high-pressure stabilizing hole channel are formed in the movable part, and the two ends of the low-pressure stabilizing hole channel are suitable for being communicated with the signal cavity and the pressure relief cavity respectively when the movable part is located at the lower position. The two ends of the high-pressure stabilizing hole channel are suitable for being communicated with the signal cavity and the high-pressure cavity respectively when the movable part is located at the upper position. The hydraulic breaking hammer provided by the utility model comprises the reversing valve. According to the reversing valve and the hydraulic breaking hammer, the probability that the surface of a movable part of the reversing valve is scratched is effectively reduced, and the service life of a workpiece is effectively prolonged.

The utility model relates to a relay structure. A high voltage relay structure of cooling and pressure adjustment, including the bottom plate, install the cover on the bottom plate, install the static contact piece on the cover, install the push rod structure and the movable contact piece in the cover, push rod structure drives movable contact piece axial movement, the cover forms a closed cavity, install one inside cover on the bottom plate, the inside cover separates the closed cavity into the outer cavity and the inner cavity, the position of movable contact piece and static contact piece meet is located in the outer cavity, the closed cavity of inside cover formation is the inner cavity, install at least one constant pressure valve on the inside cover. The utility model provides a high voltage relay structure of cooling and pressure adjustment of simple structure can carry out cooling and pressure reduction to high pressure chamber, prolongs the service life, reduces the failure rate, solves the technical problem that the high voltage relay of prior art can only rely on product self heat dissipation, and heat dissipation is slow, influences product service life and stability.

The invention relates to an oil-free scroll compressor (2.1) for generating compressed air, comprising at least one stator scroll (6) that is fastened to a housing-mounted base plate (4), and an impeller scroll (10) that is arranged on a movable base plate (8), wherein the stator scroll (6) and the impeller scroll (10) axially inter-engagingly define pressure chambers (12), wherein the housing-mounted base plate (4) includes at least one cooling channel (22, 22') through which a cooling fluid can flow, wherein at least one outlet port (14) for letting compressed air flow therethrough is formed in the housing-mounted base plate (4), the outlet port (14) in the housing-mounted base plate (3) being fluidically connected to an adjacent high-pressure chamber (30, 86). In this scroll compressor, according to the invention, a side wall (38) and / or a bottom wall (34) of a lidded housing (32) that surrounds the high-pressure chamber (30), or a side wall (84) of a high-pressure chamber housing (83) connected to the housing-mounted base plate (4), is designed as a heat exchanger (56, 88) for the generated compressed air, said heat exchanger being coolable by means of a cooling fluid.

The invention relates to a diaphragm type gas pressure reducing valve which comprises a valve body, an air inlet is formed in the valve body, an air inlet assembly is installed on the air inlet, the interior of the valve body is divided into a high-pressure chamber and a low-pressure chamber through an inner wall, and the high-pressure chamber and the low-pressure chamber communicate with the outside from the two ends of the valve body correspondingly. A valve port is formed between the high-pressure chamber and the low-pressure chamber, the end, located in the low-pressure chamber, of the valve body is connected with a pressure adjusting assembly, a diaphragm piece is arranged between the pressure adjusting assembly and the low-pressure chamber, a valve rod is installed on the valve port in a sliding mode and comprises a disc, a vertical rod and a plurality of guide rods, the vertical rod is inserted into the valve port in a sliding mode, and the guide rods are arranged on the disc. A plurality of inserting holes are formed in the peripheral side of the valve port in a surrounding mode, a switch assembly is installed in the high-pressure chamber and comprises a piston column and a second spring, and the piston column abuts against the valve port under the elastic force effect of the second spring. The device has the advantages of being convenient to assemble and use, high in reliability, long in service life and the like.

The invention relates to the technical field of transformer substation heat dissipation systems, in particular to a box-type transformer substation heat dissipation system which comprises a box body, a partition plate, an air inlet mechanism and a heat dissipation exhaust mechanism, the partition plate is horizontally installed in the box body and divides the interior of the box body into a high-voltage chamber and a low-voltage chamber, and the air inlet mechanism is installed at the bottom of the box body and used for absorbing cold air; the heat dissipation and exhaust mechanism is installed on one side of the box body, one side of the heat dissipation and exhaust mechanism extends into the box body, and the bottom of the heat dissipation and exhaust mechanism communicates with the air inlet mechanism. According to the technical scheme, the closed high-voltage chamber and the closed low-voltage chamber of the box-type substation can be cooled, the cooling efficiency is high, energy consumption is avoided, and cooling water is prevented from leaking and scaling, so that equipment in the box-type substation can operate efficiently, and the service life of the equipment is prolonged.