224results about How to "Easy installation and maintenance" patented technology

The invention relates to a GPS buoy wave measuring method and a wave measuring system, wherein GPS satellite signals are received from a plurality of GPS satellites by using a GPS receiver on a single-point GPS wave measuring buoy, carrier frequency variables of the GPS satellite signals are measured based on a Doppler principle, the movement speed of the buoy is calculated, and thus a sea wave spectrum and wave parameters are calculated. The wave measuring method comprises the following steps of GPS satellite signal acquisition, GPS carrier frequency variable extraction, buoy movement speed calculation, and sea wave spectrum and wave parameter calculation. The wave measuring system comprises a sea surface GPS buoy device, and a computer terminal device. The GPS buoy device comprises an antenna, a solar energy plate, a battery, and an acquisition processor. The acquisition processor comprises a GPS reception communication module and a microprocessor. The wave measuring method of the invention is simple, and the wave measuring system is convenient for installation and maintenance; the method and the system have very wide application prospects.

The invention belongs to the technical field of electrical wire and cable production processes, and particularly relates to a cleaning-type oil-resistant cable. Conductors (1) are copper conductors, the structures of the conductors adopt a first type or a second type, a cross-linked polyethylene insulating layer (2) is extruded on the conductors (1) respectively by applying a warm water cross-linking technology to serve as a cable core, an inner lining layer (3) is arranged outside the cable core, an armor layer (4) is armored by back-twist type galvanized fine steel wires, aluminum-plastic composite tapes are longitudinally coated and welded outside the armor layer (4) to form a water and tide blocking layer (5), and a flame-retardant jacket layer (6) made of a butyronitrile material is arranged at the outermost layer. With a double-layer co-extrusion mode to extrude, the arrangement of the high-strength water and tide blocking layer capable of longitudinally preventing tension in the overall cable and a process of double-layer co-extrusion protection layers, the cleaning-type oil-resistant cable has not only very strong resistance to abrasion and oil, but also better resistance to cleaning, thereby the quality stability of the oil-resistant cable is improved and a new technical field is developed for the development of the cleaning-type oil-resistant cable.

The invention relates to an adjustment device of an adjustable roller frame, comprising a first silk pole and a second silk pole, wherein the first silk pole and the second silk pole are axially and fixedly connected through a connecting sleeve, a screw thread direction of the first silk pole is reverse to that of the second silk pole, a matched first screw nut is arranged on the first silk pole in a sleeved way, the outer end of the first silk pole is supported on a first bearing seat, a matched second screw nut is arranged on the second silk pole in the sleeved way, the outer end of the second silk pole is supported on a second bearing seat, and a hand wheel is installed at the outer end of the second silk pole. In the invention, two silk poles with reverse screw thread directions are adopted to drive the corresponding screw nut to move, thereby driving two rollers to move; the invention has the advantages of simple and reliable structure as well as convenient installation and maintenance; the invention can enable the two rollers to simultaneously move toward the middle part or both sides with accurate adjustment; the silk poles are supported on the bearing seats, are flexible to rotate and can simultaneously bear the tension and the thrust.

The invention discloses an on-line rocker winding film packaging machine which has the functions of winding a film, coating the film, and automatically sending and breaking the film, and is matched with a conveyer line to complete an automatic packaging process; the framework of the packaging machine is in a four-vertical column square tube gantry structure, is firm and stable, is wear resistant, has high fatigue strength and is impact resistant; a rocker winding part is in a structure in which a gear is meshed with a slewing bearing, the rotary motion of a rocker is stable, and the positioning is precise; a mould frame lifting transmission part transmits with a chain, and is economical and durable; a novel door-opening mould frame is adopted, the appearance is attractive and generous, the practicality is strong and the packaging effect is good; the mould frame is provided with a photoelectric switch and can automatically detect the goods height; the speed of the whole equipment is governed through variable frequency, so that a customer can adjust the working speed as demanded, and the operation is simple and convenient; and the film clamping and breakage action is completed by a pneumatic structure, so that energy is saved, environment is protected, the installation and the maintenance are simple, the operation cost is effectively reduced, the emission is reduced and the effect is increased for an enterprise, and the space utilization rate is higher.

A water-surface floating-type photovoltaic power generation system belongs to the photovoltaic power generation technology field. The water-surface floating-type photovoltaic power generation system comprises a plurality of photovoltaic power generation units (1) and a matrix structure formed by the plurality of photovoltaic power generation units (1) which are connected with each other. The system is characterized in that each photovoltaic power generation unit (1) includes a floating body (2) and a photovoltaic assembly (3) arranged on the floating body (2); and the floating body (2) adopts a floating structure possessing a cavity. The water-surface floating-type photovoltaic power generation system provided in the invention has advantages of a simple structure, low cost, reliable performance, modular production and convenient and rapid installation and maintenance.

The invention relates to an ultra-high turnover led panel signal connector which comprises a lower triangular connector body and an upper triangular connector body. The lower triangular connector body and the upper triangular connector body are fixed to form a whole through a screw. The lower triangular connector body comprises a connector female base upper cover, a connector female base lower cover, a power source male copper pin and a signal male copper pin. The connector female base upper cover and the connector female base lower cover are respectively provided with three power source wire plugging holes formed in an arc-shaped mode, twenty signal pin holes and three screw holes distributed in a triangular mode, wherein the power source wire plugging holes, the signal pin holes and the screw holes of the connector female base upper cover are meshed with and correspond to the power source wire plugging holes, the signal pin holes and the screw holes of the connector female base lower cover in position. The upper triangular connector body comprises a power source female base copper pin, a signal female copper pin, a connector male base upper cover and a connector male base lower cover. The connector male base upper cover and the connector male base lower cover are both provided with power source pin plugging holes and signal pin holes, wherein the power source pin holes and the signal pin holes are meshed with and correspond to the connector female base lower cover in position. The ultra-high turnover led panel signal connector has the advantages that modification is conducted on an existing led panel heightened connector to form the connector, power source signals are distributed through the copper pins, the power source copper pins and the signal copper pins are reasonable in layout and installation and maintenance are convenient and fast.

The invention provides a pedestrian advancing direction judging method adopting laser scanning, comprising the following steps: respectively carrying out laser scanning on two parallel cross sectionsin the pedestrian advancing direction to obtain a first laser scanning data and a second laser scanning data; and determining the pedestrian advancing direction according to the first laser scanning data and the second laser scanning data. The invention can rapidly judge the pedestrian advancing direction effectively, is not easy to be influenced by an external environment and is convenient to beinstalled and maintained, thereby having good market prospect.

An integral heat pump device for a heat pump washer-dryer. The washer-dryer includes: an outer shell, an inner tub, and an outer tub. A hot air inlet is provided at the rear of the outer tub of the washer-dryer. A hot air outlet is provided, and the heat pump device is provided at the bottom of the washer-dryer. The bottom of the box body is provided with a conveying device, and a lifting mechanism for lifting the heat pump box is provided on the conveying device. The heat pump box equipped with the heat pump is pushed into the washing machine as a whole through the conveying device, and the heat pump box on the heat pump box is pushed into the washing machine through the lifting mechanism. The air inlet and the air outlet are sleeved on the hot air outlet and the hot air inlet of the outer tub of the washing and drying machine. The integral heat pump device of the heat pump washing and drying machine of the present invention can push and pull out the entire refrigeration heat pump box, which is convenient for installation and maintenance.

The invention discloses an automatic metering rice barrel, which comprises a base, a rice storage barrel arranged at the upper end of the base and a rice metering device arranged in the base. The rice metering device comprises a bracket, a graduated cylinder, a deflector rod, a first sector gear and a second section gear, wherein the graduated cylinder is rotatably arranged on the bracket; the deflector rod causes the graduated cylinder to rotate by the first section gear and the second sector gear which are mutually meshed. With the driving of the sector gears, the invention has the advantages of simple structure and convenient installation and maintenance. The cost of the sector gears is lower, so that the manufacturing cost of products can be effectively reduced. In addition, the sector gears have stable driving, are not easy to damage and effectively prolong the service life of the products.

The invention discloses an intelligent plastic shell circuit breaker, comprising a plastic base and an upper cover, wherein, the base is provided with a contact mechanism, an operating mechanism, a tripping mechanism and a current transformer device; the upper surface of the upper cover is provided with an electronic operating switch and a display screen observation window; the operating mechanism comprises a switch-on and switch-off operating handle; the current transformer device comprises a current transformer, a substrate which is used for placing the current transformer and a cover body which matches with the substrate; the substrate is provided with a placement chamber which is used for placing the current transformer, an installation opening which is used for introducing the current transformer and a location boss which is used for locating the current transformer; the center of the location boss is provided with wiring holes; the cover body is provided with through holes which match with the wiring holes at the center of the location boss. The invention has the advantages of convenient installation and inspection operation.

The invention discloses a micronano-sized micro hole machining tool. The micronano-sized micro hole machining tool comprises a machining tool base, a cutting device, a multi-degree-of-freedom workbench system, a micronano microscope video system and a control system. The multi-degree-of-freedom workbench system is arranged on the machining tool base and comprises a workbench and a workbench driving device. The cutting device is arranged above the workbench. The micronano microscope video system is arranged on the machining tool base and located at one side of the multi-degree-of-freedom workbench system. The micronano microscope video system is used for performing image collection analysis on the machining process of workpieces on the workbench and transmitting collection analysis data to the control system. According to the micronano-sized micro hole machining tool, the micronano microscope video system is used for performing image collection analysis on the machining process of the workpieces on the workbench and transmitting the collection analysis data to the control system in time, the control system gives out control instructions to the cutting device and the multi-degree-of-freedom workbench system according to the collected workpiece machining information, and hence machining precision and finished product quality are improved.

The invention belongs to the field of related technologies of submersible buoyancy adjustment, and discloses a modularized integrated full-sea deep diving submersible adjustable ballast device. The modularized integrated full-sea deep diving submersible adjustable ballast device comprises a motor driving module, a sea water driving module and a valve set control module, and the motor driving module, the sea water driving module and the valve set control module are connected in sequence; the valve set control module comprises a valve body, a first stop valve, a second stop valve, a third stop valve and a fourth stop valve, wherein the first stop valve, the second stop valve, the third stop valve and the fourth stop valve are inserted in the valve body, the first stop valve, the third stop valve, the fourth stop valve and the second stop valve are connected from head to tail in sequence to form a bridge type loop, and by controlling the starting-closing combination of the first stop valve, the second stop valve, the third stop valve and the fourth stop valve, the working mode of the modularized integrated full-sea deep diving submersible adjustable ballast device is achieved. The modularized connecting mode facilitates installation, repair and detaching, and the overall structure is compact.

The present invention relates to a fingerprint chip electrical performance testing device. The fingerprint chip electrical performance testing device includes a testing system, a feeding system, and amaterial collection system; the feeding system includes a tray separating and conveying device, a plurality of tray positioning devices, a fingerprint chip number identification device, and a material collection system, wherein the tray separating and conveying device is provided with two tray delivering conveyor belts, the plurality of tray positioning devices are arranged between the two tray delivering conveyor belts, the fingerprint chip number identification device is provided with a machine vision system located above the first tray positioning device, the material collection system isprovided with an adsorption mechanism located above the last tray positioning device; and the test system includes two test devices and material taking devices, wherein the two test devices are arranged symmetrically outside one side of the tray separating and conveying device, and the material taking devices are located at the test devices and adsorption devices located above the other tray positioning devices. The fingerprint chip electrical performance testing device can automatically feed, transfer and convey fingerprint chips and has high test efficiency.

The present invention discloses an automatic high-cleanliness cleanser for cleansing powder grains adhered on the conveyer belt. Said cleanser includes the following several portions: blade plate, cross-beam, main pipe shaft, main pipe mother shaft, bearing, spring, extension spring screw rod, extension spring chain bar, spring cylinder body and support. Said invention also provides their connection mode and working priciple of said cleanser.

The invention relates to the field of power electronics, in particular to an intelligent motor protector and a protection method thereof. The intelligent motor protector is composed of an input port, a signal and power supply processing unit, a central processing unit, a power control output unit, an output port and a human-computer interaction unit. The signal and power supply processing unit comprises a current signal processing circuit, a voltage signal processing circuit and a power supply module. The central processing unit comprises an analog-to-digital converter, a microprocessor and a storage, wherein a failure protection control signal and electricity-shaking restarting signal output end of the microprocessor is connected onto the output port through the power control output unit. The motor protection method includes steps of voltage and current sampling input, overcurrent and short circuit protection, overload protection, overvoltage protection and electricity-shaking restarting protection. The intelligent motor protector is high in reliability, fast and flexible to control, enables motor protection to reliably act in failure states such as overcurrent, over load and pressure loss of a motor, and can automatically recover operation in the power grid electricity-shaking state.

The invention discloses a flame detector cooling device which comprises a flame detector probe (1), a cooling air blow-off nozzle (2) of the flame detector probe, an outer cooling tube (3), an optical fiber (4) and an inner cooling tube (5). The flame detector cooling device is characterized in that the flame detector probe (1) is arranged in the outer cooling tube (3); the inner cooling tube (5) is sleeved in the outer cooling tube (3); and the optical fiber (4) is arranged in the inner cooling tube (5), one end of the optical fiber (4) is connected to the flame detector probe (1) while the other end of the optical fiber is connected to an external system, and a flame detecting optical fiber protecting pipe is changed from a single-layered cooling air duct into a double-layered cooling air duct, so that problems that the optical fiber is easy to damage, the flame detecting probe is easy to clog and the like are solved.

The invention discloses a buckling floor. The parts, on the back face of the inner side of an edge opening, of a buckling floor body are provided with a notch and a buckle. The buckle may be a T-shaped groove, a T-shaped protrusion or a Y-shaped protrusion. By means of the technical scheme, the floor machining process is simple, the material utilization rate is high, and the cost is reduced; installing and removing of the floor are completed only through moving in the perpendicular direction, partial moving and installing of the floor can be achieved, and installing is convenient.

The invention discloses a two-stage treatment process for landfill leachate based on DTRO and MVR. The two-stage treatment process comprises the following steps: acid regulation treatment of raw water: collecting raw percolate A generated by a refuse landfill by using a pipe network, adjusting water quality and quantity by using an adjusting tank, lifting the raw percolate A to a DT raw water tankby using a floating pump, adding acid into the DT raw water tank, and adjusting the pH value of the raw percolate A to obtain percolate B; sand filtration treatment: pressurizing the percolate B by using a raw water pump B, allowing the pressurized percolate B to enter a quartz sand filter, arranging pressure gauges at a water inlet end and a water outlet end of the quartz sand filter, and when apressure difference exceeds a set value, allowing the quartz sand filter to execute a backwashing procedure to obtain leachate C; and core filtration treatment: allowing the leachate C to enter a core type filter for treatment to obtain leachate D. A disc tube type reverse osmosis membrane column used in the invention is strong in pollution resistance and more durable to use; through usage of highly-integrated DTRO and MVR systems, the advantages of small size, compact layout and high efficiency are obtained; and due to the application of the MVR system, landfill leachate treatment is stableand up-to-standard in discharge, and no concentrated solution is recharged or transported outwards.

The invention relates to a glass kiln waste heat recovery system. The glass kiln waste heat recovery system comprises a glass kiln, two induced draft fans and a waste heat boiler, an exhaust port of the glass kiln is connected with a chimney through a main flue, a main path valve is mounted on the main flue, a bypass flue is further arranged between the glass kiln and the chimney, and a bypass valve, one induced draft fan, the waste heat boiler and the other induced draft fan are mounted on the bypass flue sequentially. The waste heat boiler is connected on the bypass flue parallelly, and one valve is mounted on each of the main flue and the bypass flue, so that the glass kiln and the waste heat boiler are enabled not to interfere each other, and normal operation of the system is guaranteed; heat pipes and a boiler chamber of the waste heat boiler in the system are all of a spiral pipe structure, so that heat is increased greatly.

The invention relates to the technical field of a PCB, and discloses a PCB mounting and fixing apparatus convenient to mount and dismount. The PCB mounting and fixing apparatus comprises a shell; a left fixed plate is fixedly connected with one side of an inner cavity of the shell and a right fixed plate is fixedly connected with the other side of the inner cavity of the shell; connecting plates are fixedly connected with the upper and lower ends of the inner cavity of the shell respectively; an auxiliary sliding groove is formed in one end of each connecting plate; an auxiliary sliding blockis glidingly connected in the interior of each auxiliary sliding groove; a sliding plate is fixedly connected with one side of each auxiliary sliding block; and a fixing apparatus is fixedly connectedwith one side of each connecting plate. The PCB mounting and fixing apparatus convenient to mount and dismount is provided with mounting apparatuses; inner rods are fixedly connected with the two sides of the PCB in a sleeving manner; the inner rods are arranged in outer rods in a sleeving manner, so that the length of the PCB can be adjusted conveniently; when the PCB is mounted, the PCB is adjusted to a proper length firstly, then a main sliding block is aligned to a main sliding groove, and the main sliding groove drives the main sliding block to slide, so that a clamping block can be clamped in a clamping groove when the PCB enters the interior of the shell, thereby realizing fixing and mounting of the PCB; and convenience in mounting and dismounting also can be achieved.

The invention discloses a durable industrial thermometer. The durable industrial thermometer comprises a pipeline connecting pipe, the middle part of the upper end of the pipeline connecting pipe is in threaded connection with a thermometer shell, and a bottom plate is fixedly mounted at the lower end of the thermometer shell. A through hole is formed in the middle of the bottom plate, a protection device is slidably installed at the upper end of the bottom plate, and a driving device is in threaded connection with the middle of the upper end of the thermometer shell. A pushing device is fixedly installed at the lower end of the driving device, a thermometer detection probe is fixedly installed in the middle of the lower end of the pushing device, and the lower portion of the pushing device is fixedly connected with the middle of the upper end of the protection device. According to the durable industrial thermometer of the invention, the protection device can cover the through hole, and meanwhile, the thermometer detection probe can be arranged inside the thermometer shell, and therefore, the service life of the thermometer can be prolonged; with the arrangement of the alarm, the thermometer has an alarm function, and workers can conveniently check the pipeline; a sliding block on the guide pillar is slidably connected with a sliding rail, so that the thermometer can perform stable detection.

The invention provides an intelligent fingerpost used for a traffic road. The intelligent fingerpost comprises a screw protective barrel, a turbine screw lifter is fixedly installed at the top of thescrew protective barrel, a hand wheel is arranged on the outer surface of the turbine screw lifter, a screw is fixedly installed at the top of the turbine screw lifter, a fixed base is fixedly installed at the top of the screw, and threaded holes are formed in the surface of the fixed base. By the adoption of the intelligent fingerpost used for the traffic road, through rotation of the hand wheel,the height of the screw is adjusted, and worker maintenance and installation are convenient; through arrangement of a flow guide groove, rainwater and waste water are collected and purified through awater storage tank to be cyclically used, and resources are saved; and through installation of a solar panel and wind driven impellers, solar energy and wind energy can be used for supplying power, natural energy is effectively used, and an energy-saving environment-friendly effect is remarkable.

The invention discloses a water mixing device. The water mixing device comprises a constant-temperature water mixing valve body and a circulating pump, wherein the constant-temperature water mixing valve body is provided with an adjusting handle, a water return end, a water inlet end, a water mixing end and a second water return end, wherein the second return end is on the same plane with the water return end, the water inlet end and the water mixing end, and the adjusting handle is perpendicularly arranged on the valve body; the outlet of the circulating pump is provided with a water distributing four-way joint, which is provided with a first port connected with the outlet of the circulating pump, a second port connected with a bypass connector, a third port connected with an exhaust valve, and a fourth port connected with the inlet of a water distributor. The water mixing device has the advantage that the constant-temperature water mixing valve is of a four-way structure, so that the mounting and using space can be greatly saved, connection of pipe joints can be reduced, water mixing operation can be facilitated, and meanwhile, reacting sensitivity, use safety and reliability, integral structure convenience and mounting and maintaining easiness can be achieved.

The invention provides an air conditioner. The air conditioner comprises an outdoor unit (1), an indoor unit (2) and a refrigerant pipeline (3) connected between the outdoor unit (1) and the indoor unit (2). The refrigerant pipeline (3) comprises a first pipeline part (31) located in the indoor position and a second pipeline part (32) located on the outdoor position, and a first refrigerant filling nozzle (41) capable of carrying out vacuumizing or refrigerant filling on the refrigerant pipeline (3) is arranged on the first pipeline part (31); and / or, a connecting pipe (5) is further connectedto the second pipeline part (32), one end of the connecting pipe (5) can communicate with the interior of the refrigerant pipeline (3), and the other end of the connecting pipe (5) extends into the indoor position and is connected with a second refrigerant filling nozzle (42) capable of carrying out vacuumizing or refrigerant filling on the refrigerant pipeline (3). By means of the air conditioner, vacuumizing and refrigerant filling can be carried out on an air conditioner system on the indoor side, mounting and maintenance is simpler and more convenient, and the safety coefficient is improved.

The invention discloses an auxiliary device for welding a copper-aluminum pipe in a refrigeration part and a process of the auxiliary device. The auxiliary device comprises a welding table, a conveyorbelt, a first horizontal moving plate, a second horizontal moving plate, a welding mechanism and an auxiliary mechanism, wherein the welding mechanism is fixedly connected onto the top surface of thefirst horizontal moving plate; the first horizontal moving plate is connected onto the welding table through a first moving mechanism; the auxiliary mechanism is fixedly connected onto the second horizontal moving plate through a stand column; the second horizontal moving plate is welded on the welding table through a second moving mechanism; and the conveyor belt is rotationally connected onto the top surface of the welding table. The process comprises the following steps of processing the welding table, mounting the welding mechanism, mounting the first moving mechanism, mounting the auxiliary mechanism, mounting the second moving mechanism and welding the refrigeration part. Through the adoption of the auxiliary device and the process, the copper-aluminum pipe in the refrigeration pipecan be clamped and positioned, so that the condition that the refrigeration pipe shakes in the welding process to influence the welding quality and the welding precision of the copper-aluminum pipe in the refrigeration pipe is prevented.

The invention discloses a vehicle monitoring and controlling system and a vehicle monitoring and controlling method; the system comprises a vehicle and a cloud server, wherein the vehicle comprises a relative position detection device, a vehicle-mounted wireless communication device, a warning device and a control device; the relative position detection device is used for detecting relative position between a sprung mass structural member and an unsprung mass structural member of the vehicle and generating relative position signal; the control device is used for sending the relative position signal in time for the cloud server through the vehicle-mounted wireless communication device, receiving the feedback judging result from the cloud server, and controlling the warning device for warning when the judging result is a poor road or when the vehicle needs maintenance; the cloud server is used for recording the relative position signal sent by the vehicle, generating relative position-time curve between the sprung mass structural member and the unsprung mass structural member, and judging whether the road surface is the poor road or not and / or whether the vehicle needs maintenance or not according to the curve. The vehicle monitoring and controlling system and the vehicle monitoring and controlling method can dynamically monitor the vehicle state and are beneficial to improving traveling safety and prolonging service life of the vehicle.

The invention discloses a preparation synthesis device. The device comprises a box body D fixedly arranged on ground, wherein the box body D is internally provided with a power box, an electric deviceB is fixedly arranged in the lower end wall of the power box, a movable shaft of the electric device B is in power connection with a force generator in the power box, a rotary shaft E is in power connection with the upper end surface of the force generator, the rotary shaft E penetrates through the upper end wall of the power box in a rotating manner and extends out of the external space, the upper end surface of the rotary shaft E is in power connection with a box body B, the box body B is internally provided with a material pouring port B with an upward opening, and the lower end wall of the material pouring port B is provided with an opening communicated with the external space. The preparation synthesis device has a simple structure, is convenient to use, can grind and extrude the material at the same time so as to synthesize the preparation, so that one process of the preparation synthesis device is carried out, and the device is more practical and reliable.

The invention discloses a mulching film automatic unwinding machine. The mulching film automatic unwinding machine comprises a rack. The rack is provided with an empty roller storage area, a full roller storage area and a winding area. A plurality of empty winding rollers which are not wound with mulching films are placed in the empty roller storage area. The full roller storage area is used for storing full winding rollers which are wound with mulching films with specified thicknesses. The winding area is provided with one or more mulching film winding stations. Each mulching film winding station comprises a working station and an ending station. Each working station is provided with an electronic length counter. The rack is further provided with a power device which is used for conveying the empty winding rollers from the empty roller storage area to all the working stations, conveying the full winding rollers wound with the mulching films in all the working stations from the working stations to the ending stations, and conveying the full winding rollers from the ending stations to the full roller storage area. The mulching film automatic unwinding machine has the functions of automatically storing and conveying the winding rollers and automatically storing finished products, operation is reliable and stable, a worker can look after multiple devices at the same time, the automation degree is high, and the labor cost is reduced.

The invention discloses an integrated internal circulation server rack, which comprises a refrigeration module and a server integration module that are connected side by side. The refrigeration module and the server integration module belong to closed circulation modules. The refrigeration module comprises an air conditioner support, and a compressor, an evaporator, an electronic expansion valve and blower fans that are arranged on the air conditioner support. The server integration module comprises: a mounting support; a server, a monitoring assembly, a distribution assembly and a UPS assembly that are arranged on the mounting support in a concentrated manner; and a front door and a back door that are arranged in front of and at the back of the mounting support respectively. The front portion of the mounting support and the front end of the refrigeration module are communicated to form a cold air channel. The blower fans are arranged on the air conditioner support. Air flow is forced by the blower fans to be blown out of the refrigeration module and pass through the cold air channel to cool the server integration module and then return from a hot air channel to the refrigeration module to achieve a cooling effect, in this way, closed circulation is formed. The integrated internal circulation server rack is of a modularized design, and is convenient to mount. Independent closed refrigeration spaces and a centralized control management mode are formed.