38results about How to "Easy installation and layout" patented technology

The invention discloses an efficient and energy-saving power distribution cabinet, and relates to the technical field of power distribution cabinets. The problem of power control is solved. The power distribution cabinet specifically comprises a cabinet body and a cabinet door rotationally connected to an opening of the cabinet body, a mounting frame used for mounting electrical elements is arranged in the cabinet body, a cooling fan is arranged on the side wall of the cabinet body, and a partition control part used for controlling the power of the cooling fan is arranged in the cabinet body. And the partition control part comprises a cavity hollow shell, a magnetic conductive iron core and a hollow cover plate. By means of the electromagnetic induction principle, the number of connected turns of the secondary coil can be controlled through the position of the electrode tip, so that the power of the heat dissipation fan is controlled, the heat dissipation power of the heat dissipation fan is matched with the heat production efficiency, reliable heat dissipation is guaranteed, the energy-saving effect can be achieved, meanwhile, the multiple sets of heat dissipation fans are arranged and located at different positions, and the heat dissipation efficiency is improved. Therefore, partition control of heat dissipation can be realized according to different temperatures of all areas in the cabinet body, and the use effect is further improved.

The utility model discloses a die bonding welding head device which comprises a base, a die bonding welding head, a transverse movement driving piece, a longitudinal movement driving piece and a lifting driving piece, and the transverse movement driving piece, the longitudinal movement driving piece and the lifting driving piece are used for driving the die bonding welding head to move in the X-axis direction, the Y-axis direction and the Z-axis direction respectively. The transverse moving driving part comprises a first U-shaped linear motor, a magnet assembly of the first U-shaped linear motor is fixed to the base, the longitudinal moving driving part comprises a second U-shaped linear motor, a magnet assembly of the second U-shaped linear motor is connected with a rotor of the first U-shaped linear motor, the lifting driving part comprises a third U-shaped linear motor, and the third U-shaped linear motor is connected with the rotor of the second U-shaped linear motor. The die bonding welding head is connected with a rotor of the second U-shaped linear motor and a rotor of the third U-shaped linear motor. According to the die bonding welding head device, the U-shaped linear motor is used as a driving part for driving the die bonding welding head to move, the structure is compact, the occupied space is small, and the die bonding welding head device is convenient to disassemble, assemble and maintain.

The present invention discloses a truss bracket device for block 0 and block 1 and a construction method thereof, the device comprises a first group of truss structures and a second group of truss structures, the first group of truss structures and the second group of truss structures both comprise a transverse truss, a vertical truss and a lower torsion bar, and an upper torsion bar and an upper truss, the lower torsion bar and the upper torsion bar are both retractable; the method comprises the following steps: 1. pre-embedded fine-rolled threaded steel bars during construction of the top of the bridge pier; 2. splicing of the truss structure; 3. hoisting of the truss structure; 4. installation of the first group of brackets and the second group of brackets; 5. adjustment and anchoring of the first group of truss structures; 6. adjustment and anchoring of the second group of truss structures; 7. laying of I-shaped wood distribution beams and installation of bottom molds; 8. steel bar binding and concrete pouring of block 0 and block 1. The present invention has multiple truss structures that are convenient to install and disassemble as a whole and can be reused, reducing manpower and material resources and improving the adaptability of the truss structure bracket.

The present invention discloses a monitoring device and method for building seismic isolation bearings, the device comprises an X displacement detection module, a Y displacement detection module, a Z displacement detection module, a rotation angle detection module and a data processing module, the X displacement detection module comprises an X displacement sensor and an X direction reflector, the Y displacement detection module comprises a Y displacement sensor and a Y direction reflector, the Z displacement detection module comprises a Z displacement sensor and a Z direction reflector, the rotation angle detection module comprises a mounting rod, an annular scale plate and a horizontal bracket, as well as a laser transmitter and a camera; the method comprises the following steps: 1. Layout of seismic isolation bearings; 2. Selection of seismic isolation bearings; 3. Installation of monitoring device; 4. Connection between monitoring device and data processing module; 5. Data collection and transmission of monitoring device; 6. Processing of monitoring device and primary and secondary alarms. The present invention is reasonably designed to realize real-time monitoring, thereby timely making forecasts.

The present invention discloses a tantalum corrugated expansion joint forming device and method, the tantalum corrugated expansion joint forming device comprises a tool mechanism and a split mold, the split mold outer sleeve is provided with a tantalum liner, a main shaft is provided on a machine tool, the split mold sleeve is provided on the main shaft, the split mold comprises a plurality of tile-shaped mold pieces and fixed flanges installed at both ends of the tile-shaped mold pieces, the outer side wall of the tile-shaped mold piece is provided with a corrugated groove, the depth of the corrugated groove is less than the thickness of the tile-shaped mold piece, both ends of the tile-shaped mold piece are provided with connecting blocks, and the connecting blocks and the fixed flanges are detachably connected; the method comprises the following steps: 1. assembling the split mold and installing the tantalum liner; 2. installing the tool mechanism and the split mold; 3. forming the tantalum corrugated expansion; 4. dismantling the tantalum corrugated expansion joint forming device to obtain the tantalum corrugated expansion joint. The present invention is reasonably designed, and the tantalum corrugated expansion joint can be stably processed and manufactured using a lathe.

The invention discloses a vibration monitoring system and method for the cutting state of a casing pipe under a mud line, and the system comprises a vibration sensor which is disposed at the top end of the casing pipe, is tightly attached to the outer wall of the casing pipe, and is used for obtaining a vibration signal of the casing pipe; the vibration monitoring unit is used for determining time domain data and frequency domain data corresponding to each signal extraction time period based on the vibration signals; the vibration signal evaluation unit is used for determining the cutting state of each signal extraction time period based on the time domain data, the frequency domain data and a preset vibration signal library; and the upper computer is used for displaying the vibration signal images of all the vibration sensors and the current cutting state of the sleeve in real time. The current cutting state of the sleeve can be judged without trial lifting, and the current cutting position is fed back in real time; the vibration sensor is arranged near the top end of the casing pipe and above the sea level, installation and measurement are more convenient, and adjustment can be conducted at any time according to wellhead conditions. The cutting efficiency of the multi-layer casing pipe is improved, the cutting time is shortened, and the cost is reduced.

The invention relates to the technical field of compressed natural gas automobiles, and discloses a 35MPa compressed natural gas supply system and method for an automobile, and the system comprises a gas cylinder cabin, a gas filling cabin and an engine cabin; a plurality of carbon fiber fully-wound gas cylinders with the rated pressure of 35MPa are mounted in the gas cylinder cabin; a cylinder valve is integrated with a flow sensor, a temperature sensor and a pressure sensor; a gas filling port, a one-way valve, a high-pressure pressure gauge, a high-pressure stop valve, a high-pressure precision filter and a pipeline overcurrent protection valve are mounted in the gas filling cabin, the one-way valve and the high-pressure stop valve are jointly connected to one end of the pipeline overcurrent protection valve, and the other end of the pipeline overcurrent protection valve is connected with a high-pressure gas storage bottle; a high-pressure electromagnetic valve and a high-pressure pressure reducer are mounted in the engine compartment; the other end of the high-pressure electromagnetic valve is connected with the high-pressure precision filter; according to the scheme, the cabin thought design is adopted, the integration and modularization degree is high, the combination requirements of different gas cylinder sets can be met, installation and layout of different vehicle types are facilitated, a 35 MPa compressed natural gas automobile can be smoothly implemented, and the scheme is particularly suitable for being used by a 35 MPa compressed natural gas truck.

The application discloses a rectangular frame column settlement observation point pre-burying device and a pre-burying construction method. The device comprises a first L-shaped plate, a second L-shaped plate and a gear mechanism. The gear mechanism comprises a hollow rectangular base plate, a gear and a positioning ring. A settlement observation rod is arranged in the positioning ring, the gear and the hollow rectangular base plate. Upper bolts and lower bolts are arranged on the positioning ring. The method comprises the following steps: 1, rectangular frame column steel bar binding and formwork erection; 2, adjustment of the rectangular frame column settlement observation point pre-burying device; 3, installation of the rectangular frame column settlement observation point pre-burying device; 4, installation of the settlement observation rod; 5, concrete pouring and settlement observation rod pre-burying; and 6, removal of the rectangular frame column settlement observation point pre-burying device. After the rectangular frame column formwork is installed, the settlement observation point pre-burying device is used to pre-bury and fix the settlement observation point.

This utility model discloses a satellite-type flexographic printing press, comprising two parallel wall panels fixedly connected by a support roller, with a printing roller positioned between the two wall panels. Multiple printing components are arranged around the printing roller, each including a printing plate roller and an anilox roller. The printing plate roller is positioned close to the surface of the printing roller, and the anilox roller is positioned in close contact with the printing plate roller. This utility model can precisely control the displacement of the anilox roller and the printing plate roller, flexibly adjust the printing effect on the paper, and features a simple structure, reasonable design, and convenient installation.

The utility model discloses an adjustable screw device for an aluminum mold K plate, a plurality of groups of screw devices are arranged between opposite aluminum mold plates, adjacent screw devices are mutually clamped, the adjustable screw device comprises a threaded rod, two ends of the threaded rod are respectively and fixedly connected with a screw unit, each screw unit comprises a turnover plate, the center of the turnover plate is provided with a first via hole, and the first via hole is provided with a second via hole. A locking assembly is arranged in the first through hole in a penetrating mode, one end of the locking assembly is fixedly connected with a threaded rod, the threaded rod is arranged between the two aluminum formworks, the outer side face of the locking assembly is sleeved with and detachably connected with a clamping piece, and the clamping piece is connected with the turnover plate in a clamped mode. The turnover plates between the adjacent screw units are detachably connected; and the turnover plate is propped against the aluminum template. According to the utility model, the turnover plates which can be mutually turned over are mutually clamped, so that a plurality of aluminum templates can be propped against each other through mutual connection and can also be disassembled in a scattered manner, and the screw device is convenient to transfer and transport.

The utility model belongs to the technical field of automobile shock absorber, specifically relates to a linear motor shock absorber, which comprises an electromagnetic coil, a permanent magnet, a core shaft and a sleeve outside the electromagnetic coil, one of the electromagnetic coil and the permanent magnet is connected on the outer side wall of the core shaft, and the other is arranged on the inner side wall of the sleeve, further comprises a displacement sensor, the upper end of the sleeve is equipped with a guide sleeve, the lower end of the sleeve is equipped with a lower limit plate, the core shaft is located inside the guide sleeve and protrudes upwards, a first sliding bearing and a sealing ring located on the top surface of the first sliding bearing are arranged between the core shaft and the guide sleeve, the first sliding bearing and the sealing ring are fixedly arranged on the inner side wall of the guide sleeve, and the first sliding bearing and the sealing ring are in sealed contact with the outer side wall of the core shaft and axially slide. The electromagnetic coil and the permanent magnet are always located in the sleeve, the sealing ring and the core shaft are matched to seal the through hole on the guide sleeve, impurities are prevented from entering the sleeve to damage the electromagnetic coil and the permanent magnet, and the working reliability of the linear motor shock absorber is improved.

The application discloses a mower, and belongs to the technical field of agricultural machinery, garden machinery or engineering machinery, which comprises a deflection base frame, a connecting rod mechanism and a spring; a first hinging point is arranged on a main support; a second hinging point is arranged on one side of the deflection base frame; a third hinging point is arranged on the other side of the deflection base frame; the deflection base frame is rotationally connected to the main support through the third hinging point; the spring is installed on the connecting rod mechanism and is used for driving the connecting rod mechanism to reset after the connecting rod mechanism is compressed due to external force acting on the mower head; the passive avoidance and automatic reset of the mower head are realized through cooperation of the deflection base frame, the connecting rod mechanism and the spring, and the structure is compact and responds rapidly. The pure mechanical structure does not need sensors and active control, has low cost, high reliability, and an avoidance stroke is not limited, so that the mower head and the driving mechanism can be effectively protected.

This invention discloses a method for locating natural gas leak sources in salt cavern gas storage well sites, comprising the following steps: 1) Deployment of point-type laser methane detectors within key monitoring areas. 2) Monitoring of unknown areas outside the key monitoring areas. 3) Leak source inversion and location: When the concentration value of leaked natural gas in a salt cavern gas storage well site, as monitored by the point-type laser methane detector, reaches a predetermined threshold, the leak source needs to be located promptly. The specific process is as follows: Step 1) Establishing a leak diffusion model; Step 2) Establishing an objective function F; Step 3) Locating the leak point. The leak source location method of this invention has high accuracy and cost-effectiveness, can efficiently obtain concentration interpolation with smaller errors, and solves the problem of insufficient full-coverage monitoring of salt cavern gas storage well sites.

The utility model relates to the technical field of air conditioners, and discloses a heat exchanger. The heat exchange fan is used for enabling air to flow from the first side of the main heat exchange pipe to the second side of the main heat exchange pipe; the heat exchange fins are constructed to be in a wing shape and are arranged on the main heat exchange pipes; two ends of each heat exchange fin are respectively named as a wing leading edge and a wing trailing edge, and the width of each heat exchange fin is named as wing thickness; the wing front edge is located on the first side of the main heat exchange tube, the wing rear edge is located on the second side of the main heat exchange tube, and therefore different wind speeds are formed on the two sides, in the wing thickness direction, of the heat exchange fins. In this way, the heat exchange fins form different heat exchange efficiencies on the two sides in the wing thickness direction, and the heat exchange efficiency of the upper portion in the wing thickness direction is larger than that of the lower portion. Therefore, the installation layout of the main heat exchange tubes and the heat exchange fins can be optimized according to the heat exchange requirements of different main heat exchange tubes. The utility model further discloses the air conditioner.

The utility model discloses a rigidity variable ballastless track plate temporary limiting monitoring device which comprises a base fixed on a roadbed, an inclined strut is arranged in the middle of the base, a stabilizing plate and a transverse baffle are arranged below the inclined strut, and the stabilizing plate and the transverse baffle are respectively fixed with the base. The transverse baffle is inserted into the stabilizing plate and does not make contact with the stabilizing plate, a transverse hydraulic device making transverse contact with the ballastless track plate is arranged at the end of the transverse baffle, a transverse laser range finder is arranged on the transverse baffle, and a force bearing table is arranged at the top of the inclined strut. A vertical hydraulic device in vertical contact with the ballastless track plate is mounted below the bearing table, a vertical laser range finder is arranged on the bearing table, and a transverse pressure sensor and a vertical pressure sensor are arranged at the end of the transverse hydraulic device and the end of the vertical hydraulic device respectively. The temporary limiting device is designed by adopting a steel structure, and compared with a concrete structure, the temporary limiting device does not need to be poured, is convenient to install and arrange, and can be recycled.

The utility model relates to the technical field of exhaust fan, especially utilize the pivot power drive cover plate's energy storage exhaust fan, including the casing, be provided with the air outlet and the air intake on the casing, be provided with the air duct butt joint in the casing inside the air outlet and the air intake, be provided with the fan in the air duct, the casing inside still be provided with the motor and power connection in the motor transmission mechanism, the casing still rotatoryly connected with pivot spare, pivot spare one end transmission connection with transmission mechanism, at least one fixed part is fixedly connected on pivot spare, pivot spare is fixedly connected with the flap through the fixed part, the motor drives pivot spare through transmission mechanism, makes pivot spare drive flap cover up the air intake or open the air intake, through adopting pivot power drive flap, compared with the traditional linear motor hinged swing arm mode, pivot rotation drive flap's structure is more compact, greatly reduces the space occupation of power drive system, is favorable to the miniaturization design and installation layout of exhaust fan.

The invention particularly discloses a floor brush device of cleaning equipment and the cleaning equipment. The floor brush device comprises a base; the rolling brush assembly comprises a rolling brush and a rolling brush cover, and the rolling brush cover is movably arranged on the base and covers the rolling brush; the dirt scraping assembly is movably arranged on the base and can move between a dirt scraping position in interference fit with the rolling brush and an avoiding position in clearance fit with the rolling brush; the dirt scraping assembly is connected with the rolling brush cover through the linkage component, and through the linkage component, when one of the dirt scraping assembly and the rolling brush cover moves in the direction close to the rolling brush, the other one of the dirt scraping assembly and the rolling brush cover moves in the direction away from the rolling brush. Through linkage of the dirt scraping assembly and the rolling brush cover, when the cleaning equipment conducts self-cleaning, the dirt scraping assembly can avoid the rolling brush to reduce friction between the dirt scraping assembly and the rolling brush, the rolling brush cover can be driven to make contact with the rolling brush to be attached to the rolling brush to conduct self-cleaning on the rolling brush cover, the operation can be achieved only through one linkage component, and the control cost is saved.

The utility model belongs to the field of fuel cell assemblies, and discloses a compact structure of a gas control assembly for a small fuel cell test case. The air inlet pipe, the air inlet valve, the pipeline A, the filter A, the pipeline B, the pressure reducing valve, the pipeline C and the tee joint are sequentially connected with an air source. According to the utility model, more observation points and operation points are concentrated on the front side, thereby facilitating the installation and layout of the case and saving the desktop space; the internal space obstruction is reduced, and the mounting and dismounting difficulty of the equipment is reduced; the computer case is particularly suitable for structural design of a small-sized desktop case.

The present application belongs to the technical field of injection molding process, and particularly relates to a pull rod device, an injection molding machine, a control method, a computer and a readable storage medium. The present application aims to solve the problem of the existing pull rod extraction structure of the injection molding machine, which needs to additionally add a support frame, has low space utilization, and has high manufacturing and maintenance costs. The pull rod device comprises: a base assembly comprising a base beam and a connecting seat, one end of the base beam being connected with a fixed mold plate, and the base beam and the connecting seat being slidingly connected; a driving assembly comprising an oil cylinder, the side surface of the oil cylinder being connected with the connecting seat, and the output shaft of the oil cylinder being connected with a pull rod; the oil cylinder is controlled to be driven and slides with the connecting seat, thereby driving the pull rod to move along its guide direction, freeing up the top space of the fixed mold plate, improving the space utilization, and reducing the manufacturing cost of the existing support frame. At the same time, the pull rod device does not need to be manually aligned, thereby reducing the step of manually aligning the existing support structure with the pull rod, and improving the mold putting / taking efficiency.

The utility model belongs to monitoring equipment technical field, and disclose a kind of box monitoring equipment of split structure, including upper box and lower box, the one end of the opposite surface of upper box and lower box is commonly equipped with heat dissipation mechanism, the inside of upper box and lower box is commonly equipped with fixed mechanism, the fixed mechanism includes two cover plates, two cover plates are located at the one end of upper box and lower box respectively, the upper surface and lower surface of upper box, lower box and heat dissipation mechanism are all fixed with multiple fixed frame that is rectangular array distribution, the upper and lower surface of upper box and lower box is inserted with a group of fixed screw rod, fixed screw rod is cooperated with fixed frame thread, the utility model connects upper, lower box quickly and stably by fixed mechanism, and mounting bracket and mounting groove facilitate equipment internal component installation layout, and by heat dissipation mechanism, equipment internal heat can be effectively exported and radiated, guarantee equipment stable operation.

The present invention discloses a device and method for removing iron particles by gradient using a multi-stage cyclone separator, comprising a feeding mechanism, two groups of cyclone separators and an air induction mechanism, wherein the two cyclone separators are respectively an A series cyclone separator and a B series cyclone separator of the same structure and symmetrically arranged; the A series cyclone separator and the B series cyclone separator both include a plurality of cyclone separators connected in series in sequence, and a plurality of groups of magnetic components are installed on the outer side of the straight section and cone of each cyclone separator, and the plurality of cyclone separators connected in series in sequence are recorded as the first cyclone separator, the second cyclone separator, ..., the i-th cyclone separator, ..., the i-th cyclone separator from top to bottom in sequence; the magnetic strength of the plurality of groups of magnetic components increases gradually from top to bottom. The present invention is reasonably designed, and the iron particles are enriched and separated from the non-magnetic powder through a multi-stage gradient, so as to meet the requirements of removing or collecting the iron particle components in the subsequent process.

The invention discloses a mine flameproof wireless antenna introduction device and an installation method thereof. The device comprises a flameproof sleeve and a sealing and pressing member. A radio frequency cable passes through the sealing and pressing member, a flameproof shell and a flameproof sleeve. The flameproof sleeve comprises a flameproof outer sleeve and a flameproof inner sleeve. The flameproof inner sleeve and the flameproof outer sleeve are connected by flameproof threads. The sealing and pressing member comprises a pressure plate, a sealing cylinder and a sealing pad. The pressure plate, the sealing cylinder and the sealing pad are all extended into the flameproof shell. The radio frequency cable passes through the pressure plate, the sealing cylinder, the sealing pad, the flameproof shell and the flameproof inner sleeve in sequence. Epoxy resin is filled between the radio frequency cable and the flameproof inner sleeve. The method comprises the following steps: 1. Testing of the flameproof outer sleeve and the flameproof inner sleeve; 2. Testing of the sealing and pressing member; 3. Testing of the flameproof shell; 4. Installation of the flameproof sleeve, the sealing and pressing member and the radio frequency cable; 5. Testing of the wireless antenna introduction device. The invention ensures that wireless operation is safe and reliable and can be adapted to mine flameproof equipment.

The utility model relates to a distribution box technical field especially relates to a kind of insulating device of distribution box, including cabinet, the back of inside cabinet is provided with insulating plate, sink head hole is all set up in four corners of insulating plate front, first bolt is all inserted with the thread connection of cabinet inner wall in four sink head holes, vertical guide rod is installed in the two sides of insulating plate front, installation mechanism is set between two guide rods;Installation mechanism includes mounting bracket, multiple mounting components and two positioning components, two positioning components are respectively installed in the two sides of mounting bracket, and two positioning components are respectively set on two guide rods, front and rear through movement slot is set in the side of mounting bracket, each mounting component is slidably installed in movement slot, the utility model can install different specifications size electrical components without punching on insulating plate, and it is convenient to dismount and position adjustment to guide rod installation mechanism.

This application provides a camera module and a vehicle. The camera module includes a base shell and a first circuit board, a second circuit board, a camera body, and a wireless communication module disposed within the base shell. The first circuit board and the second circuit board are electrically connected, wherein the first circuit board and the second circuit board are spaced apart along the thickness direction of the base shell, and the second circuit board is connected to the bottom wall of the base shell. The camera body is mounted on the second circuit board, and at least a portion of the camera body passes through the first circuit board. The wireless communication module is disposed within the base shell and is electrically connected to the first circuit board. In this application, the spaced arrangement of the second circuit board and the first circuit board frees up a large amount of space on the first circuit board, and various electronic components can also be arranged on both sides of the first circuit board along its thickness direction, making full use of the space in the thickness direction of the base shell, thereby helping to reduce the overall thickness of the module and achieving a lightweight and miniaturized design.

The embodiment of the present application provides a battery piece reciprocating electroplating device and a battery piece electroplating method, the battery piece reciprocating electroplating device is provided with an electroplating cavity for containing an electroplating solution, and the battery piece reciprocating electroplating device comprises a reciprocating driving assembly; the reciprocating driving assembly is used for driving the battery piece to reciprocate relative to the electroplating cavity to enter and exit the electroplating cavity, so that the battery piece reciprocates at least on a single side of the electroplating cavity; when the battery piece enters and exits the electroplating cavity, at least two electrode plating layers are formed on the surface of the battery piece. The battery piece reciprocating electroplating device can shorten the transmission path of battery piece electroplating, is favorable for reducing the size and volume of the electroplating device, is favorable for the installation layout of the electroplating device, and is favorable for reducing the electroplating cost.

The present invention discloses a vibration monitor and monitoring method applied in the depth direction, the monitor includes a vibration isolation casing, an upper circular fixed plate, a lower circular fixed plate and a vibration detection platform, a vibration detection module is arranged at the bottom of the vibration detection platform, a lifting mechanism is arranged between the upper circular fixed plate and the lower circular fixed plate, a horizontal adjustment mechanism is arranged between the lower circular fixed plate and the vibration detection platform, and a camera is arranged at the center of the bottom surface of the upper circular fixed plate; the method includes the following steps: 1. Layout of monitoring holes; 2. Assembly of vibration monitor; 3. Installation and adjustment of vibration monitor; 4. Collection and transmission of vibration data. The present invention is reasonably designed and low in cost, can conveniently install a vibration pickup in the vibration monitoring hole, and ensures the leveling of the vibration pickup, which not only improves the accuracy of vibration monitoring, but also ensures the timeliness of monitoring data.

The application provides an etching device with a cleaning assembly and a control method thereof. The etching device with the cleaning assembly comprises a shell including a top wall, a side wall and a bottom wall, the top wall, the bottom wall and the side wall enclosing a first space, and the bottom wall forming a second space with an open bottom; a switch assembly is arranged in the first space, the switch assembly divides the first space into at least two areas, and the switch assembly can separate or connect adjacent two areas; the cleaning assembly comprises a suction element and at least one pipe group, the pipe group comprises a first pipe and a second pipe, the first pipe is connected to the side wall and arranged in a vertical direction, the first pipe has at least two first communication ports, at least one area is connected to the first pipe through one first communication port, the suction element and the second pipe are arranged in the second space, and the suction element is connected to the first pipe through the second pipe. The application aims to solve the problem of complex external pipes of the existing etching device.

The utility model discloses a vertically-wound self-cooled passive filter, which is characterized in that the vertically-wound self-cooled passive filter comprises a shell, the inner wall of the bottom of the shell is fixedly connected with a filtering structure and a capacitor, and the outer wall of the shell is fixedly connected with a contactor; the utility model relates to the technical field of passive filters, the filtering structure adopts a vertical winding mode of an insulated wire, forms a vertical air channel, is matched with the design of a heat dissipation groove, realizes high-efficiency heat dissipation by utilizing natural air convection, and ensures that a reactor is always in a normal working temperature range due to good heat dissipation performance, so that the service life of the reactor is prolonged. And through the vertical winding structure, on the premise that the same filtering effect is achieved, the size and the occupied area of the filter are greatly reduced, the filter structure is more compact, equipment installation and layout are facilitated, and the space utilization rate is increased.

The invention discloses a medium-pressure environment-friendly gas switch cabinet, and belongs to the technical field of gas switch cabinets, the medium-pressure environment-friendly gas switch cabinet comprises an upper gas box and a lower gas box connected with the upper gas box, the outer walls of the upper gas box and the lower gas box are both provided with a plurality of outer reinforcing ribs, and the peripheries of the inner walls of the upper gas box and the lower gas box are both provided with a plurality of inner reinforcing ribs; a plurality of reinforcing beams are installed on the inner reinforcing ribs, and a plurality of notches are formed in the reinforcing beams. The outer reinforcing ribs and the inner reinforcing ribs are distributed at equal intervals, so that uniform support is provided, stress can be uniformly dispersed when the gas tank bears internal SF6 gas pressure, the phenomenon of local stress concentration is reduced, the inflation strength of the upper gas tank and the lower gas tank is guaranteed, and the upper gas tank and the lower gas tank are prevented from being deformed when being filled with SF6 gas.