阅读说明：本技术 一种适用于3d打印机的模块化恒温式双层壳体结构 (Modular constant-temperature double-layer shell structure suitable for 3D printer ) 是由 吴专 汤瑶瑶 郭晶 徐嘉琪 郑乃博 余煜 于 2021-02-04 设计创作，主要内容包括：一种涉及3D打印机设备领域的适用于3D打印机的模块化恒温式双层壳体结构,包含恒温系统、空气循环冷却系统、外层壳体和内层壳体；内层壳体的外底面通过悬架组件与外层壳体连接；内层壳体和外层壳体的前侧分别设有对应的内门孔和外门孔,外门孔上安装有隔温安全门；外层壳体设有多个空气进口和多个空气出口,空气进口和空气出口分别设有进气风扇和排气风扇；恒温系统包含隔热罩壳,以及辅助加热装置和主加热装置；空气循环冷却系统包含水冷散热器和水泵,以及安装于空气出口的格栅换热器,水冷散热、水泵和格栅换热器通过水管循环连接；该双层壳体结构不仅大大提高了打印腔室的控温保温效果,同时降低了热空气对打印机部件和使用者的伤害。(A modularized constant-temperature double-layer shell structure applicable to a 3D printer relates to the field of 3D printer equipment and comprises a constant-temperature system, an air circulation cooling system, an outer shell and an inner shell; the outer bottom surface of the inner shell is connected with the outer shell through a suspension assembly; the front sides of the inner shell and the outer shell are respectively provided with an inner door hole and an outer door hole which correspond to each other, and a thermal insulation safety door is arranged on the outer door hole; the outer shell is provided with a plurality of air inlets and a plurality of air outlets, and the air inlets and the air outlets are respectively provided with air inlet fans and air exhaust fans; the constant temperature system comprises a heat insulation cover shell, an auxiliary heating device and a main heating device; the air circulation cooling system comprises a water-cooling radiator, a water pump and a grid heat exchanger arranged at an air outlet, and the water-cooling radiator, the water pump and the grid heat exchanger are in circulation connection through a water pipe; the double-layer shell structure not only greatly improves the temperature control and heat preservation effects of the printing chamber, but also reduces the damage of hot air to printer parts and users.)

1. The utility model provides a double-deck shell structure of modularization thermostatic type suitable for 3D printer which characterized in that: comprises a constant temperature system (6), an air circulation cooling system (5), an outer shell (1) and an inner shell (2) which is arranged in the outer shell with a gap; the outer bottom surface of the inner shell (2) is fixedly connected with the outer shell (1) through a suspension assembly (7), the suspension assembly (7) comprises a square frame-shaped bearing section bar (703) fixed on the outer bottom surface of the inner shell (2) and two support pipes (701) fixed on the inner bottom surface of the outer shell (1) at intervals in parallel, and the bearing section bar (703) and the support pipes (701) are fixedly connected through a heat-insulating flame-retardant material (702); the front sides of the inner shell (2) and the outer shell (1) are respectively provided with corresponding inner door holes and outer door holes, the inner door holes are communicated with the outer door holes through heat insulation sealing frame materials, and the outer door holes are provided with heat insulation safety doors (3); the top of the outer shell (1) is provided with a plurality of air inlets (101), the bottom of the rear side of the outer shell (1) is provided with a plurality of air outlets (102), and the air inlets (101) and the air outlets (102) are respectively provided with an air inlet fan and an air exhaust fan; the constant temperature system (6) comprises a heat insulation housing (603) covering the outer surface of the rear side of the inner shell (2), and an auxiliary heating device (602) and a main heating device (605) which are respectively arranged at the top and the bottom of an inner cavity of the heat insulation housing (603), wherein a housing air port is arranged at one side of the top of the heat insulation housing (603), an inner shell air port is arranged at the rear side of the inner shell (2) corresponding to the bottom of the heat insulation housing (603), and a primary fan (601) and a secondary fan (604) are respectively arranged at the housing air port and the inner shell air port; the air circulation cooling system (5) comprises a water-cooling radiator (502) and a water pump (503) which are arranged on the lower portion of the left side of the outer shell (1), and a grille heat exchanger (501) which is arranged on an air outlet (102), wherein the water-cooling radiator (502), the water pump (503) and the grille heat exchanger (501) are in circulating connection through water pipes.

2. The modular thermostatic double-deck housing structure for a 3D printer according to claim 1, wherein: the heat insulation safety door (3) comprises an outer frame door frame (301), an inner frame door frame (305), a sealing strip (307) and an electromagnetic access control system; a first high-temperature-resistant sight glass (302) is installed in the center of the outer frame portal (301), an inward wrapping edge is arranged on the periphery of the outer edge of the outer frame portal (301), the wrapping edge on one side of the outer frame portal (301) is hinged to the corresponding outer shell (1) through a hinge (304), and two locking handles (303) matched with the corresponding outer shell (1) are installed on the outer surfaces of the upper end and the lower end of the other side of the outer frame portal (301) respectively; a second high-temperature-resistant sight glass (306) is installed in the center of the inner frame portal (305), a gap is reserved between the first high-temperature-resistant sight glass (302) and the second high-temperature-resistant sight glass (306), the outer edge of the inner frame portal (305) is fixedly connected with a covered edge of the corresponding outer frame portal (301) in a sealing mode, and a clamping plate (308) which is bent inwards in a right angle and used for clamping a sealing strip (307) is arranged on the inner surface of the inner frame portal (305) close to the second high-temperature-resistant sight glass (306) in a circle; electromagnetism access control system contains access controller, magnetism and inhales iron plate (309), corresponds and installs the electro-magnet on outer casing (1) with magnetism iron plate to and be used for measuring the thermoscope that prints intracavity temperature, magnetism is inhaled iron plate (309) and is fixed in two frame portal (301) between taking lock handle (303) and is bordured the surface, access controller respectively with electro-magnet and thermoscope signal connection.

3. The modular thermostatic double-deck housing structure for a 3D printer according to claim 2, wherein: the distance between the first high temperature resistant sight glass (302) and the second high temperature resistant sight glass (306) is 5-15 mm.

4. The modular thermostatic double-deck housing structure for a 3D printer according to claim 2, wherein: the sealing strip (307) is a high-temperature-resistant silica gel sealing strip, and the section of the sealing strip (307) is of an e-shaped structure.

5. The modular thermostatic double-deck housing structure for a 3D printer according to claim 1, wherein: the heat-insulating flame-retardant material (702) is set to be a composite glass fiber board of FR-4 grade.

6. The modular thermostatic double-deck housing structure for a 3D printer according to claim 1, wherein: a plurality of functional modules (4) are installed to the outer casing (1) left and right sides, and all are equipped with adiabatic sealing strip between every functional module (4) and outer casing (1).

7. The modular thermostatic double-deck housing structure for a 3D printer according to claim 1, wherein: and polyurethane heat insulation layers are paved on the inner surface and the outer surface of the inner shell (2) and the inner surface of the outer shell (1).

8. The modular thermostatic double-deck housing structure for a 3D printer according to claim 1, wherein: the auxiliary heating device (602) is set as an aluminum clip heating channel, and the main heating device (605) is set as a PTC superconducting module.

9. The modular thermostatic double-deck housing structure for a 3D printer according to claim 1, wherein: and the air inlet (101) and the air outlet (102) are both provided with plate type air filters.

10. The modular thermostatic double-deck housing structure for a 3D printer according to claim 1, wherein: and a quartz heating pipe (8) is also arranged at the top of the rear side of the inner shell (2).

Technical Field

The invention relates to the field of 3D printer equipment, in particular to a modular thermostatic type double-layer shell structure suitable for a 3D printer.

Background

At present, when a high-temperature 3D printer using a fused deposition modeling technology prints high-temperature consumables, the temperature of a printing cavity is generally required to be ensured to be 80-110 ℃, and excessive temperature not only can cause the risk of scalding of a user in the operation process, but also can cause the problems of rapid aging, failure, deformation and the like of structural parts and functional parts which are in direct contact with a shell; the utility model with publication number CN208682132U discloses a constant temperature 3D printer, which increases the heat insulation effect of the housing by arranging heat insulation material, forms a heat insulation space for the electronic component by arranging an inclined transition surface, and provides a constant temperature environment for the printing chamber by arranging a printing environment constant temperature component, thereby playing a certain role of constant temperature and heat insulation; however, the temperature control and heat preservation effect of the conventional constant temperature printer is not ideal, the heat dissipation effect on key parts such as a motor and a control panel is not good, and when hot air in a printing chamber is exhausted, the burn risk is easily caused in a certain area around an air outlet, and the effective printing quality and the use safety cannot be guaranteed.

Disclosure of Invention

In order to overcome the defects in the background art, the invention discloses a modular thermostatic double-layer shell structure suitable for a 3D printer, which not only greatly improves the temperature control and heat preservation effects of a printing chamber, but also reduces the damage of hot air to printer parts and users.

In order to achieve the purpose, the invention adopts the following technical scheme:

a modularized constant-temperature double-layer shell structure suitable for a 3D printer comprises a constant-temperature system, an air circulation cooling system, an outer-layer shell and an inner-layer shell which is arranged in the outer-layer shell and has a gap; the outer bottom surface of the inner shell is fixedly connected with the outer shell through a suspension assembly, the suspension assembly comprises a square bearing section bar fixed on the outer bottom surface of the inner shell and two support tubes fixed on the inner bottom surface of the outer shell side by side at intervals, and the bearing section bar and the support tubes are fixedly connected through a heat-insulating flame-retardant material; the front sides of the inner shell and the outer shell are respectively provided with an inner door hole and an outer door hole which correspond to each other, the inner door hole and the outer door hole are communicated through a heat insulation sealing frame material, and a heat insulation safety door is arranged on the outer door hole; the top of the outer shell is provided with a plurality of air inlets, the bottom of the rear side of the outer shell is provided with a plurality of air outlets, and the air inlets and the air outlets are respectively provided with air inlet fans and air exhaust fans; the constant temperature system comprises a heat insulation housing covering the outer surface of the rear side of the inner shell, and an auxiliary heating device and a main heating device which are respectively arranged at the top and the bottom of an inner cavity of the heat insulation housing, wherein a housing air port is arranged at one side of the top of the heat insulation housing, an inner shell air port is arranged at the rear side of the inner shell corresponding to the bottom of the heat insulation housing, and a primary fan and a secondary fan are respectively arranged at the housing air port and the inner shell air port; the air circulation cooling system comprises a water-cooling radiator and a water pump which are arranged on the lower portion of the left side of the outer shell, and a grille heat exchanger which is arranged at an air outlet, wherein the water-cooling radiator, the water pump and the grille heat exchanger are in circulating connection through water pipes.

Further, the heat-insulation safety door comprises an outer frame door frame, an inner frame door frame, a sealing strip and an electromagnetic access control system; the first high-temperature-resistant sight glass is installed in the center of the outer frame portal frame, an inward-facing wrapping edge is arranged on the periphery of the outer edge of the outer frame portal frame, the wrapping edge on one side of the outer frame portal frame is hinged to the corresponding outer shell through a hinge, and two locking handles matched with the corresponding outer shell are installed on the outer surfaces of the upper end and the lower end of the other side of the outer frame portal frame respectively; a second high-temperature-resistant viewing mirror is installed in the center of the inner frame portal, a gap is reserved between the first high-temperature-resistant viewing mirror and the second high-temperature-resistant viewing mirror, the outer edge of the inner frame portal is fixedly connected with the edge covering of the corresponding outer frame portal in a sealing mode, and a clamping plate which is bent inwards in a right-angle mode and used for clamping a sealing strip is arranged on the inner surface of the inner frame portal close to the second high-temperature-resistant viewing mirror in a circle; the electromagnetic access control system comprises an access controller, a magnetic iron block, an electromagnet corresponding to the magnetic iron block and mounted on the outer shell, and a thermometer used for measuring the temperature in the printing cavity, wherein the magnetic iron block is fixed on the edge-covering outer surface of the outer frame door frame between the two handles with the locks, and the access controller is respectively in signal connection with the electromagnet and the thermometer.

Further, the distance between the first high-temperature-resistant sight glass and the second high-temperature-resistant sight glass is 5-15 mm.

Further, the sealing strip is set to be a high-temperature-resistant silica gel sealing strip, and the cross section of the sealing strip is set to be an e-shaped structure.

Further, the heat-insulating flame-retardant material is an FR-4 grade composite glass fiber board.

Further, a plurality of functional modules are installed to the outer casing left and right sides, and all are equipped with adiabatic sealing strip between every functional module and the outer casing.

Furthermore, the inner surface and the outer surface of the inner shell and the inner surface of the outer shell are both paved with polyurethane heat insulation layers.

Further, the auxiliary heating device is an aluminum clip heating channel, and the main heating device is a PTC superconducting module.

Further, plate-type air filters are mounted on the air inlet and the air outlet.

Furthermore, a quartz heating pipe is further installed at the top of the rear side of the inner shell.

Due to the adoption of the technical scheme, the invention has the following beneficial effects:

according to the modular constant-temperature double-layer shell structure suitable for the 3D printer, the inner shell and the outer shell are designed in a double-layer mode, so that a gap space is formed between the inner shell and the outer shell, and a flowing air layer is formed in the gap space under the action of the fan, so that the effects of constant temperature of the inner layer and cooling of the outer layer are greatly optimized, and the printing quality and the use safety are effectively guaranteed; by designing the suspension assembly, the direct contact between the inner shell and the outer shell is reduced while the connection and the fastening of the inner shell and the outer shell are ensured, the probability that high temperature in a printing cavity is directly transmitted to the outer shell is reduced, and meanwhile, the safety of flame retardance and fire resistance can be considered; by arranging the main heating device and the auxiliary heating device of the constant temperature system, the printing chamber is enabled to form positive pressure while the printing chamber is enabled to be heated up quickly, so that the invasion of external cold air is avoided, and after the printing is finished, the fan can be used for reversing to discharge air in the printing chamber, so that the quick cooling is realized; through the arrangement of the air circulating cooling system, the air between the inner shell and the outer shell is cooled, filtered and discharged, so that no high-temperature gas, no peculiar smell and no dust exist near an air outlet, and the harm to the environment and a user is reduced; in addition, also can be through can guaranteeing good leakproofness and heat preservation and heat-proof quality through setting up the thermal-insulated emergency exit to prevent to print the completion back, not yet cool down and just open the printer door by mistake, avoid high-temperature gas to gush out in the twinkling of an eye, cause the human body to burn.

Drawings

FIG. 1 is a schematic front perspective view of the present invention;

FIG. 2 is a perspective view of the back structure of the present invention;

FIG. 3 is a schematic view of the suspension assembly;

FIG. 4 is a schematic view of the air cycle cooling system;

FIG. 5 is a schematic view of the thermostat system;

FIG. 6 is a schematic structural view of the thermal insulation safety door;

FIG. 7 is a schematic partial cross-sectional view of FIG. 6;

FIG. 8 is a schematic view of the connection of the magnet blocks;

fig. 9 is a schematic flow chart of the electromagnetic access control system.

In the figure: 1. an outer shell; 101. an air inlet; 102. an air outlet; 2. an inner shell; 3. a thermal insulation safety door; 301. an outer frame portal; 302. a first high temperature resistant sight glass; 303. a handle with a lock; 304. a hinge; 305. an inner frame portal; 306. a second high temperature resistant sight glass; 307. a sealing strip; 308. clamping a plate; 309. magnetically attracting the iron block; 4. a functional module; 5. an air circulation cooling system; 501. a grid heat exchanger; 502. a water-cooled radiator; 503. a water pump; 6. a constant temperature system; 601. a primary fan; 602. an auxiliary heating device; 603. a heat insulating housing; 604. a secondary fan; 605. a main heating device; 7. a suspension assembly; 701. supporting a tube; 702. a heat insulating and flame retardant material; 703. a load-bearing profile; 8. a quartz heating tube.

Detailed Description

The present invention will be explained in detail by the following examples, which are intended to disclose the invention and protect all technical improvements within the scope of the invention, and the invention is not limited to the following examples; in the description of the present invention, it should be understood that, if there is an orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., which corresponds to the drawings of the present application, the present invention is described for convenience, but does not indicate or imply that the indicated device or element must have a particular orientation:

as described in conjunction with fig. 1-9, the air conditioner includes a constant temperature system 6, an air circulation cooling system 5, an outer shell 1 and an inner shell 2 disposed in the outer shell with a gap, so as to ensure that an air flowing space can be formed between the inner shell 2 and the outer shell 1; the outer bottom surface of the inner shell 2 is fixedly connected with the outer shell 1 through a suspension assembly 7, the suspension assembly 7 comprises a square bearing profile 703 fixed on the outer bottom surface of the inner shell 2 and two support pipes 701 fixed on the inner bottom surface of the outer shell 1 side by side at intervals, the bearing profile 703 and the support pipes 701 are fixedly connected through a heat-insulating flame-retardant material 702, the heat-insulating flame-retardant material 702 is set into an FR-4 level composite glass fiber board as required, the bearing profile 703 serves as a base to ensure the stable support and connection, the FR-4 level composite glass fiber board is used for separating the outer shell 1 from a structural profile, and the composite heat-insulating flame-retardant material can be laid in a gap between the bearing profile 703 and the support pipes, so that the high temperature in a printing chamber is reduced and directly transmitted to the outer shell 1; in addition, the inner surface and the outer surface of the inner shell 2 and the inner surface of the outer shell 1 are respectively paved with a polyurethane heat insulation layer, so that the heat insulation layer has the functions of sound insulation, fire prevention, flame retardance and the like while effectively insulating the temperature;

the front sides of the inner shell 2 and the outer shell 1 are respectively provided with corresponding inner door holes and outer door holes, the inner door holes are communicated with the outer door holes through heat insulation sealing frame materials, and the outer door holes are provided with heat insulation safety doors 3; according to the requirement, the thermal insulation safety door 3 comprises an outer frame door frame 301, an inner frame door frame 305, a sealing strip 307 and an electromagnetic access control system, in addition, the outer surface of the outer frame door frame 301 is coated with high-temperature resistant frosted texture paint, the paint surface is not cracked in a high-temperature state, meanwhile, the conduction and the dissipation of heat in a printing cavity are reduced, and the effects of thermal insulation and hand scalding prevention can be achieved; the first high-temperature-resistant sight glass 302 is installed in the center of the outer frame portal 301, an inward wrapping edge is arranged on the periphery of the outer edge of the outer frame portal 301, the wrapping edge on one side of the outer frame portal 301 is hinged to the corresponding outer shell 1 through a hinge 304, so that the whole thermal-insulation safety door can be rotated outwards and opened, the hinge 304 is a heavy-load hinge with damping as required, the heavy-load hinge provides certain damping in the opening and closing processes of the door, clamping damage of a user due to the self weight of the door is avoided, and two hinges 304 are arranged to ensure balance; the outer surfaces of the upper end and the lower end of the other side of the outer frame portal 301 are respectively provided with two handles 303 with locks which are matched with the corresponding outer shell 1, and the safety door can be opened or closed only by pulling simultaneously; according to the requirement, padlock pore plates for installing a padlock are correspondingly fixed on the outer frame door frame 301 and the corresponding printer shell respectively, and double locking is realized through the padlock; a second high-temperature-resistant viewing mirror 306 is installed in the center of the inner frame portal 305, and a gap is reserved between the first high-temperature-resistant viewing mirror 302 and the second high-temperature-resistant viewing mirror 306, so that an air interlayer is formed between the first high-temperature-resistant viewing mirror 302 and the second high-temperature-resistant viewing mirror 306, and the conduction and the dissipation of heat in the printing cavity are reduced; according to the requirement, the distance between the first high temperature resistant sight glass 302 and the second high temperature resistant sight glass 306 is 5-15 mm, so that good visibility is guaranteed; the outer edge of the inner frame portal 305 is fixedly connected with the corresponding edge covering of the outer frame portal 301 in a sealing manner, and a clamping plate 308 which is bent inwards at a right angle and used for clamping a sealing strip 307 is arranged on the inner surface of the inner frame portal 305 close to the second high-temperature-resistant sight glass 306 in a circle, so that the sealing strip 307 can be conveniently disassembled, assembled and replaced; according to the requirement, the sealing strip 307 is a high-temperature-resistant silica gel sealing strip, the cross section of the sealing strip 307 is an e-shaped structure, the lower part of the sealing strip 307 with the e-shaped structure is provided with an opening, the sealing strip is conveniently embedded on the inner frame door frame 305 through the clamping plate 308, and the upper part of the sealing strip is internally provided with a cavity to increase the buffering effect;

the electromagnetic access control system comprises an access controller, a magnetic iron block 309, electromagnets corresponding to the magnetic iron block and mounted on the outer shell 1, and thermometers for measuring the temperature in the printing cavity, wherein the magnetic iron block 309 is fixed on the outer surface of the edge of the outer frame door frame 301 between the two handles 303 with locks, the access controller is respectively in signal connection with the electromagnets and the thermometers, through the feedback of the temperature in the cavity, the trigger signal of the electromagnetic controller is disabled at the temperature of more than 60 ℃, the magnetic iron block 309 and the electromagnets are in a magnetic attraction state, the accident that the safety door is opened by mistake in a high-temperature state in the cavity is avoided, and when the temperature in the printing cavity is below 60 ℃, the safety door electromagnetic control system can be unlocked;

the top of the outer shell 1 is provided with a plurality of air inlets 101, the bottom of the rear side of the outer shell 1 is provided with a plurality of air outlets 102, the air inlets 101 and the air outlets 102 are respectively provided with an air inlet fan and an air outlet fan, and a flowing air layer is formed under the action of the fans, so that the effects of inner layer constant temperature and outer layer cooling are greatly optimized, and the printing quality and the use safety are effectively ensured; according to the requirements, a plurality of functional modules 4 are installed on the left side and the right side of the outer shell 1, the functional modules 4 are in modular design, each shell is provided with a wiring port, a heat insulation sealing strip is arranged between each functional module 4 and the outer shell 1, the influence of gas overflow on the heat dissipation effect between the inner shell and the outer shell is prevented, the inner sides of the functional modules 4 are close to a flowing air layer, effective cooling can be carried out, and aging, failure or deformation of components are prevented; in addition, plate-type air filters are arranged on the air inlet 101 and the air outlet 102, so that dust and foreign matters in the air inlet 101 can be blocked, and the air outlet 102 is free from peculiar smell and dust;

the constant temperature system 6 is controlled by an independent temperature controller and comprises a heat insulation cover 603 which covers the outer surface of the rear side of the inner shell 2, and an auxiliary heating device 602 and a main heating device 605 respectively installed at the top and the bottom of the inner cavity of the heat-insulating housing 603, wherein a housing tuyere is provided at one side of the top of the heat-insulating housing 603, an inner housing tuyere is provided at the rear side of the inner housing 2 corresponding to the bottom of the heat-insulating housing 603, a primary fan 601 and a secondary fan 604 are respectively installed at the housing tuyere and the inner housing tuyere, when the printing chamber is heated, the primary fan 601 sucks part of the air entering between the inner shell 2 and the outer shell 1 into the heat insulation cover 603, and after the air is heated to 75 ℃ by the auxiliary heating device 602, the printing chamber is heated by the main heating device 605 and then sent into the printing chamber by the secondary fan 604, so that the printing chamber is heated quickly, positive pressure is formed in the printing chamber, and outside cold air is prevented from invading; according to the requirement, the auxiliary heating device 602 is set as an aluminum clip heating channel, and the main heating device 605 is set as a PTC superconducting module, so that the structure is small and exquisite, and the heating effect is good; the primary fan 601 and the secondary fan 604 both adopt axial flow fans capable of rotating forward and backward, after printing is finished, the auxiliary heating device 602 and the main heating device 605 are controlled to be closed, the primary fan 601 and the secondary fan 604 rotate reversely, external air can be sucked in from a structural gap of the inner shell 2, and internal high-temperature gas is discharged from an air port of the housing, so that rapid cooling is realized; in addition, a quartz heating pipe 8 is further installed at the top of the rear side of the inner shell 2, and the quartz heating pipe 8 is used for locally heating a printing plane;

the air circulation cooling system 5 comprises a water-cooling radiator 502 and a water pump 503 which are arranged at the lower part of the left side of the outer shell 1, and a grille heat exchanger 501 which is arranged at the air outlet 102, wherein the water-cooling radiator 502, the water pump 503 and the grille heat exchanger 501 are circularly connected through a water pipe, and water-cooling liquid is sent into a water-cooling pipeline by the water pump 503, exchanges heat with outlet air through the grille heat exchanger 501 at the air outlet 102 and then actively radiates heat through the water-cooling radiator 502; the water-cooled radiator 502 comprises radiating fins and a radiating fan, and is arranged in a mounting groove at the lower part of the left side of the outer shell 1 together with the water pump 503, the mounting groove is provided with a sealing groove cover to protect the water-cooled radiator 502 and the water pump 503 and facilitate opening and maintenance, the groove cover is provided with radiating holes, and plate-type air filters are arranged on the radiating holes to prevent dust and foreign matters from entering; the air circulation cooling system 5 can monitor the temperature of the air outlet 102 through closed-loop control of the temperature sensor, and alarm can be triggered when the temperature is too high, so that whether the temperature is too high due to failure of the inner cavity temperature controller or the operation of the water cooling system is abnormal or not can be monitored.

The present invention is not described in detail in the prior art.