CN114615840A - Multi-module continuous optical fiber laser, laser processing system and cabinet thereof - Google Patents

Abstract

The invention relates to the technical field of laser processing, and discloses a multi-module continuous fiber laser, a laser processing system and a cabinet thereof. The invention enables the drying and dehumidifying device to exert the maximum dehumidifying effect in the sealed cabinet through the full-sealed design of the cabinet and the matching of the drying and dehumidifying device, thereby improving the dehumidifying efficiency of the drying and dehumidifying device. Compared with a mode of dehumidifying by adopting an air conditioner or additionally arranging an air conditioning room under the condition of the same dehumidification amount, the laser dehumidifying device can greatly reduce the energy consumption of laser working and the research and development and manufacturing costs of the laser, and avoids environmental pollution.

Description

Multi-module continuous optical fiber laser, laser processing system and cabinet thereof

[ technical field ] A method for producing a semiconductor device

The embodiment of the invention relates to the technical field of laser processing, in particular to a multi-module continuous fiber laser, a laser processing system and a cabinet thereof.

[ background of the invention ]

In recent years, as the national industry has developed faster and faster, more fiber laser manufacturers have begun to invest in advanced technology/sufficient capital to develop more and higher power multi-module continuous fiber lasers. Most of the cooling in the existing laser still adopts a water cooling mode, but in the working environment of the laser, due to the influence of the temperature and humidity of the external environment, the moisture condensation phenomenon easily occurs on the parts such as the photoelectric module, the control module and the like in the laser, particularly the parts close to the cooling module, and the moisture condensation can cause the defects of large light output fluctuation, fast power attenuation and the like of the laser.

In order to avoid the condensation phenomenon in the laser, in the development and production of the conventional continuous fiber laser system, more air conditioners are arranged on the laser or air conditioning rooms are additionally arranged outside the laser in use occasions to cool and dehumidify the whole laser, so that the defects of large fluctuation and fast attenuation of the laser in the long-term use process are overcome. However, the laser structure tends to be complicated and the volume also becomes larger, thereby occupying a larger working space. In addition, the laser is provided with an air conditioner or an air conditioning room is additionally arranged in the working space of the laser, the cost of the laser is increased, resources are wasted, and the air conditioning cooling exchange station adopts fluorine-containing Freon and externally discharged gas which pollute the environment to different degrees.

[ summary of the invention ]

The embodiment of the invention aims to provide a multi-module continuous fiber laser, a laser processing system and a cabinet thereof.

The embodiment of the invention adopts the following technical scheme for solving the technical problems:

the utility model provides a totally enclosed design laser instrument rack, includes the cabinet body, sets up in the internal laser module of cabinet and the peripheral hardware subassembly that outwards extends from the cabinet body, be equipped with at least one cabinet door on the cabinet body, the cabinet door with the junction of the cabinet body is provided with first sealing device, the cabinet body with the junction of peripheral hardware subassembly is provided with second sealing device.

Preferably, the first sealing device comprises a cabinet door sealing ring and at least one locking device, and the locking device is fastened on the cabinet door and abutted with the cabinet body to compress the cabinet door sealing ring so as to form cabinet body sealing.

As a preferred scheme, the cabinet body is a multi-surface box body, and the cabinet doors are arranged on at least four side surfaces of the cabinet body and are rotatably connected with the cabinet body.

As a preferred scheme, the cabinet body is a multi-surface box body, the cabinet door is arranged on at least one side surface of the cabinet body, and other surfaces of the cabinet body are of an integrally formed plate structure.

As a preferred scheme, the laser modules are stacked and arranged inside the cabinet body, and when the cabinet door is completely opened, the laser modules slide outwards from the inside of the cabinet body in different directions and move out.

Preferably, the cabinet body is provided with a plurality of accommodating openings, the peripheral assembly extends outwards from the accommodating openings, the second sealing device is arranged at the joint of the accommodating openings and the peripheral assembly, and the second sealing device is a sealing gasket matched with the accommodating openings or a sealing coating formed around the accommodating openings.

Preferably, at least one drying and dehumidifying device is arranged in a gap between the laser modules and/or between the laser modules and the cabinet body, and the drying and dehumidifying device is non-electrified equipment.

Preferably, a drying agent is arranged in the drying and dehumidifying device, the drying agent is a calcium chloride drying agent, and the adding amount of the drying agent is 3.6kg-12 kg.

The invention also provides a multi-module continuous fiber laser, and the laser cabinet with the fully-sealed design of any scheme is provided.

The invention also discloses a laser processing system, wherein the laser is arranged in the fully-sealed design laser cabinet in any scheme, and the laser is in a non-air-conditioning working environment or a working environment without external dehumidification equipment.

The invention has the beneficial effects that: set up the cabinet door sealing washer through the cabinet door at the rack and carry out sealing treatment with door frame complex position to and increase seal gasket or seal coat's mode and carry out sealing treatment at the mounted position department of accomodating opening part optical component or electric parts. The cabinet internal environment and the position communicated with the external environment are sealed, so that the cabinet is enabled to really achieve a completely sealed effect, the drying and dehumidifying device in the cabinet is guaranteed to work in a completely sealed environment, the drying and dehumidifying device can play a maximum dehumidifying effect in the sealed environment of the cabinet, and the dehumidifying efficiency of the drying and dehumidifying device is improved.

In addition, compared with a mode of dehumidifying by adopting an air conditioner or additionally arranging an air conditioning room under the condition of the same dehumidification amount, the laser dehumidifying device can greatly reduce the energy consumption of laser working and the research and development and manufacturing costs of the laser, and avoids environmental pollution.

[ description of the drawings ]

One or more embodiments are illustrated in drawings corresponding to, and not limiting to, the embodiments, in which elements having the same reference number designation may be represented as similar elements, unless specifically noted, the drawings in the figures are not to scale.

Fig. 1 is a schematic perspective view of a cabinet according to an embodiment of the present invention.

Fig. 2 is a simplified schematic diagram of a cross-sectional projection of the cabinet of the embodiment shown in fig. 1.

Fig. 3 is a simplified schematic diagram of the arrangement area of the drying and dehumidifying device of the cabinet shown in fig. 1.

[ detailed description ] A

In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. It should be noted that when an element is referred to as being "fixed to"/"mounted to" another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 3, an embodiment of the present invention provides a fully-sealed laser cabinet, which is mainly applied to a multi-module continuous fiber laser, and includes a cabinet body 1, a laser module 2 disposed in the cabinet body 1, and a peripheral component extending outward from the cabinet body 1, where at least one cabinet door 3 is disposed on the cabinet body 1, a first sealing device 4 is disposed at a joint between the cabinet door 3 and the cabinet body 1, and a second sealing device is disposed at a joint between the cabinet body 1 and the peripheral component.

The junction of the cabinet door 2 and the cabinet body 1 is sealed through the first sealing device 4, the junction of the cabinet body 1 and the peripheral components is sealed through the second sealing device, a sealing space is formed inside the cabinet 1, the full-sealing design of the cabinet is realized, the internal environment and the external environment of the cabinet are in an isolated state, air, water vapor and the like in the external environment are prevented from entering the cabinet, and the influence of the external environment on the internal environment of the cabinet 1 is avoided.

As shown in fig. 1 and fig. 2, specifically, a door frame 11 is disposed on a side surface of the cabinet body 1, the cabinet door 3 is correspondingly connected to the door frame 11, and a side edge of the cabinet door 3 is rotatably connected to an upright post of the door frame 11, for example, the side edge of the cabinet door 3 can be rotatably connected to the upright post of the door frame 11 through a rotating shaft 10, a hinge, and the like, so that the cabinet door 3 can be opened and closed around the upright post of the door frame 11.

The first sealing device 4 comprises at least one locking device 41 arranged on the edge of the cabinet door 3 and a cabinet door sealing ring 42 arranged on the inner surface of the cabinet door 3, of course, the cabinet door sealing ring 42 can also be arranged on the door frame 11, and the shape of the cabinet door sealing ring 42 matches the shape of the door frame 11. When cabinet door 3 closed, accessible locking device 41 locked cabinet door 3, cabinet door sealing washer 42 just is compressed tightly between cabinet door 3 and door frame 11, makes cabinet door 3 and door frame 11 realize sealed cooperation to isolated with the internal environment of environment outside cabinet door 3 and rack, realize the inside of rack and seal.

In order to improve the sealing effect of the first sealing device 4 when the cabinet door 3 is locked, it is necessary to ensure that the pressure applied to the cabinet door sealing ring 42 at each position of the cabinet door 3 is basically consistent, so as to prevent the cabinet door sealing ring 42 from generating warpage due to uneven stress, and thus, the sealing effect is reduced. Therefore, the locking device 41 can be fasteners 411 arranged along the edge of the cabinet door 3 at even intervals, and connecting columns 412 arranged on the door frame 11 and corresponding to the number and positions of the fasteners 411, each connecting column 412 is provided with a threaded hole, and when the cabinet door 3 is closed, the plurality of fasteners 411 are screwed in the threaded holes correspondingly, so that the cabinet door 3 is locked. Because a plurality of fasteners 411 are along cabinet door 3 edge uniform spacing setting, can guarantee that fastener 411 when locking cabinet door 3, the pressure that every position of cabinet door 3 applyed for cabinet door sealing washer 42 is all unanimous basically to avoided cabinet door sealing washer 42 to take place warp, thereby improved first sealing device 4's sealed effect.

As shown in fig. 1, a circle of clamp ring 12 can be further disposed on the door frame 11, the shape of the cabinet door seal ring 42 is matched with the shape of the clamp ring 12, and when the cabinet door 3 is locked, the cabinet door seal ring 42 is pressed by the cabinet door 3 on the clamp ring 12, so that the cabinet door seal ring 42 is pressed more reliably, and the sealing effect of the cabinet door seal ring 42 can be improved. The clamp ring 12 can be the round boss that sets up along door frame 11, and this boss is less than cabinet door sealing washer 42 rather than complex terminal surface with cabinet door sealing washer 42 complex terminal surface, and when cabinet door sealing washer 42 was compressed tightly on the boss, cabinet door sealing washer 42 took place to deform and makes partly of boss be absorbed in the deformation district of cabinet door sealing washer 42 for partly of boss is wrapped up by the deformation district of cabinet door sealing washer 42, thereby has improved cabinet door sealing washer 42's sealed effect.

As shown in fig. 1, a plurality of storage openings 5 are provided on both the top side plate 13 of the cabinet 1 and the cabinet door 3, and peripheral components provided in the cabinet 1 extend from the storage openings 5 to the outside of the cabinet 1, so that the peripheral components are exposed outside the cabinet 1. The peripheral components are electric components 6 or optical components 7 and the like, such as a button switch, an emergency stop switch, an indicator light, a signal light, an optical fiber connector and the like, and a second sealing device (not shown) is arranged at the joint between the peripheral components and the accommodating opening 5.

For example, the joint positions between the electrical component 6 and the optical component 7 and the receiving opening 5 are provided with second sealing devices (not shown), which are located on the top side plate 13 and the inner surface of the cabinet door 3 and are arranged around the receiving opening 5, so as to seal the joint positions between the receiving opening 5 and the electrical component 6 or the optical component 7, so as to block the external environment at the receiving opening 5 from the internal environment of the cabinet, and ensure that the internal environment of the cabinet is a closed space.

Specifically, the electrical component 6 is mounted on the cabinet door 3 or the top side plate 13, for example, the electrical component 6 may be locked on the cabinet door 3 or the top side plate 13 by a fastener, the electrical component 6 is exposed from the receiving opening 5, a ring of first sealing gasket (not numbered) adapted to the receiving opening 5 is provided on the inner surface of the cabinet door 3 or the top side plate 13 around the receiving opening 5, and the first sealing gasket is compressed between the electrical component 6 and the inner surface of the cabinet door 3 or the top side plate 13, so as to seal the corresponding receiving opening 5. A circle of sealing coating can be arranged on the inner surface of the cabinet door 3 or the top side plate 13 around the receiving opening 5 to realize glue-coating sealing, and the sealing coating is positioned between the electric component 6 and the inner surface of the cabinet door 3 or the top side plate 13 so as to seal the corresponding receiving opening 5 in a glue-coating sealing mode.

The optical component 7 is mounted on the top side plate 13, for example, the optical component 7 can be locked on the top side plate 13 by a fastener, the optical component 7 is exposed from the receiving opening 5, a ring of second sealing gasket (not shown) matched with the receiving opening 5 is arranged on the inner surface of the top side plate 13 around the receiving opening 5, and the second sealing gasket is pressed between the optical component 7 and the inner surface of the top side plate 13, so that the corresponding receiving opening 5 is sealed.

As shown in fig. 1, the cabinet body 1 is a multi-surface box body, at least four sides of the cabinet body 1 are provided with rotatable cabinet doors 3, for example, the cabinet body 1 is a rectangular box body, four sides of the cabinet body 1 are provided with door frames 11, each door frame 11 is correspondingly provided with one cabinet door 3, and one side of each cabinet door 3 is rotatably connected with the corresponding upright post of the door frame 11. The top side plate 13 of the cabinet body 1 can also be provided with a rotatable cabinet door 3 according to the above mode. So, can realize that cabinet body 2 opens from the side of difference, be convenient for maintain or assemble the laser module that corresponds the side position setting or establish the subassembly in, improve the convenient degree of the maintenance and the assembly of cabinet body internals.

In addition, although the cabinet body 1 sets up to the multiaspect box, however, at least one side of the cabinet body 1 has set up cabinet door 3, other sides that the cabinet body 1 did not set up cabinet door 3 are integrated into one piece's plate structure, in order to guarantee the leakproofness of the internal portion of cabinet 1, cabinet door 3 is not restricted to the rotation with the connected mode of the cabinet body 1 yet, also adopts the connected mode that sets up round locking device 41 at the edge all around of cabinet door 3 and is connected with the cabinet body 1, so more can guarantee the totally enclosed design requirement of the internal portion of cabinet body 1.

As shown in fig. 1, the inside of the cabinet is provided with a mounting bracket (not labeled), and a plurality of laser modules 2 are installed on the mounting bracket, and the laser modules 2 can be arranged in the cabinet in a longitudinal stacking arrangement or a transverse stacking arrangement or in a longitudinal stacking and transverse stacking mixed manner according to the number of the laser modules 2, so as to reduce the volume of the cabinet, reduce the occupied space of the cabinet, and facilitate the sliding removal or the reassembly of the laser modules 2 from different side directions of the cabinet body 1 when the cabinet door 3 is completely opened.

For example, the number of the laser modules 2 in the present embodiment is six, and the laser modules 2 are arranged in a manner of mixing longitudinal stacking and transverse stacking, wherein three laser modules 2 are arranged in longitudinal stacking, the other three laser modules are arranged in transverse stacking, one of the three laser modules 2 in transverse stacking is arranged on the top of the three laser modules 2 in longitudinal stacking, and the other two laser modules 2 in transverse stacking are arranged on the bottom of the three laser modules 2 in longitudinal stacking.

Still be equipped with the cooling device corresponding with 2 positions of laser module in the rack, laser module 2 is installed in the rack through the cooling device who corresponds to make cooling device cool off these laser modules respectively, when cooling device cooled off the laser module, inevitable can produce steam in the rack, steam probably spreads whole rack in, therefore necessary set up drying and dehumidifying device in the rack.

Due to the influence of factors such as the distribution of moisture in the cabinet and the dehumidification condition of the laser modules 2, at least one drying and dehumidifying device can be arranged in the gap between the laser modules 2 or between the laser modules 2 and the cabinet body 1. Also can set up at least one dry dehydrating unit in the space between laser module 2 and the cabinet body 1 simultaneously to make dry dehydrating unit arrange more rationally, avoid dry dehydrating unit extravagant, realize accurate dehumidification, improve dehumidification effect.

Compared with the mode that an air conditioner or an air conditioning room is additionally provided with an electrified device for dehumidification, the drying and dehumidifying device is a non-electrified device, can greatly reduce the extra energy consumption increased due to drying and dehumidification when the laser works, and can also avoid the increase of research and development and manufacturing cost of the laser due to the fact that extra accessories are required to be added for drying and dehumidification. And the additional product harmful to the environment caused by adopting an air conditioning dehumidification mode can be avoided, and the pollution to the environment is avoided. In addition, the drying and dehumidifying device can exert the maximum dehumidifying effect in the sealed environment in the cabinet, and the dehumidifying efficiency of the drying and dehumidifying device is improved.

Drying dehydrating unit (not marking) is including the bag body, place at the internal drier of bag and set up the connecting piece on the bag body, and intensive distribution has a large amount of apertures on the surface of the bag body for the inner space of the bag body communicates with the inner space of rack, can be absorbed by the internal drier of bag fast with moist particle such as moisture, steam that produce in the assurance rack, ensures that the rack is inside to keep dry state always, in order to reach the effect of dehumidification.

The gaps between the laser modules 2 are small, the drying and dehumidifying device can be designed into a sheet structure, a drying agent is placed in each drying and dehumidifying device, and the drying and dehumidifying devices are placed in the gaps between the laser modules 2.

And the space is great between laser module 2 and the cabinet body 1, can hang the bag body of dry dehydrating unit on the crossbeam of mounting bracket through the connecting piece, in order to guarantee that the bag body is in unsettled state, the unsettled surface that can guarantee the bag body of the bag body can not sheltered from by other parts, can make the surface of the bag body fully contact with rack internal environment, in order to guarantee the moisture, moist particle such as steam can follow the optional position homoenergetic entering bag of the bag body and absorb by the drier, dry dehydrating unit's moisture absorption speed and moisture absorption efficiency have been improved. In addition, because the bag body belongs to flexible structure, have better and keep away barrier characteristic, can reduce the interference effect of self and other parts, reduced the structural design degree of difficulty of laser instrument.

The connecting piece can be a binding tape or a hook, and the bag body can be quickly bound on the cross beam through the binding tape so as to simplify the installation steps. The bag body can also be hung on the crossbeam through the couple, and the benefit of adopting the couple realizes dismantling the connection, conveniently changes the bag body to can realize quick installation simultaneously, simplify installation steps.

As is apparent from the above description, the sealing process is performed by providing the first sealing device 4 at a position where the cabinet door 3 of the cabinet is engaged with the door frame 11, and the sealing process is performed by adding a sealing gasket or a sealing coating at a mounting position of the electrical component 6 or the optical component 7 at the receiving opening 5. Realized that the rack internal environment probably all realizes sealedly with the position department of external environment intercommunication to the inside that makes the rack has really reached totally sealed effect, has guaranteed that the dry dehydrating unit in the rack is in work under a totally sealed environment, makes dry dehydrating unit exert the biggest dehumidification effect under the sealed environment in the rack, improves dry dehydrating unit's dehumidification efficiency.

In the embodiment of the invention, the volume of the cabinet is 0.2-0.9m according to the number of the laser modules 2 arranged in the cabinet body 1 and the power of the laser³. The desiccant is generally calcium chloride desiccant, and the moisture absorption rate of the desiccant can reach 300% of the self weight, so that the desiccant has a good moisture absorption effect. The weight of the desiccant placed in each bag body is 300-600 g, 12-20 bags of desiccants can be adaptively arranged in the cabinet according to the moisture amount generated by lasers with different powers during working and the volumes of different cabinets, and the weight of the desiccant put in the cabinet is about 3.6-12 kg according to the arrangement number, so that the condition that the desiccants in the cabinet are not required to be replaced in a large amount within one year when the lasers normally work can be ensured. Compared with a mode of dehumidifying by adopting an air conditioner or additionally arranging an air conditioning room under the condition of the same dehumidifying capacity, the laser dehumidifying method can greatly reduce the energy consumption of laser working and the research and development and manufacturing costs of the laser.

Can be according to the laser instrument during operation, the moisture content that the different positions produced is different, arranges the drier that a quantity is many in the position that moisture content is high, arranges the drier that a quantity is few in the position that moisture content is low to reach accurate arranging, accurate dehumidification improves the purpose of dehumidification efficiency.

In this embodiment, as shown in fig. 3, the moisture content of the first side region 81 of the waterway adapter region 80 of the cooling device facing the laser in the cabinet is the highest, so that a larger number of desiccant bags can be hung on the beam of the first side region 81, and the moisture content of the second side regions 82 near the two sides of the waterway adapter region 80 is the second highest. The first side area 81 and the second side area 82 are both located on the gap between the different sides of the laser module 2 and the corresponding cabinet doors, so that a proper amount of desiccant can be hung on the cross beam of the two second side areas 82, and the side opposite to the waterway connector area 80 may not generate moisture, so that no desiccant can be hung.

Taking 15 bags of desiccant in the cabinet as an example, 6 bags of desiccant can be arranged on a first side area 81 of the waterway connector area 80 facing the cooling device, and 4 bags of desiccant can be respectively arranged on two second side areas 82 close to two sides of the waterway connector area 80, and no desiccant is hung on the side opposite to the waterway connector area 80, or 1-2 bags of desiccant can be hung according to the situation. Therefore, the purposes of accurate arrangement, accurate dehumidification and improvement of dehumidification efficiency are achieved.

In addition, the embodiment of the invention also provides a multi-module continuous fiber laser, the laser can use the fully-sealed cabinet provided by any one of the embodiments, and at least 4 laser modules with the output power of 2KW are arranged in the cabinet. The purpose of drying and dehumidifying the high-power laser and even the ultrahigh-power laser is achieved.

Finally, the embodiment of the invention also provides a laser processing system, wherein a laser of the laser processing system is configured in the fully-sealed design laser cabinet in any scheme, so that the laser is in a non-air-conditioning working environment or a working environment without external dehumidification equipment. Therefore, the laser adopts the scheme that the drying and dehumidifying device is additionally arranged in the fully-sealed cabinet disclosed by the embodiment of the invention to dry and dehumidify the laser.

Because the drying and dehumidifying devices of the embodiment of the invention are all non-electrified devices, the energy consumption of the laser during working is prevented from being increased due to the adoption of an air conditioner or a mode of dehumidifying additionally arranged in an air conditioning room. The development and manufacturing cost increase of the laser caused by the additional accessory required by adopting the air conditioner for dehumidification can also be avoided. And the additional product harmful to the environment caused by adopting an air conditioning dehumidification mode can be avoided, and the pollution to the environment is avoided.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a totally enclosed design laser instrument rack, includes the cabinet body, sets up the laser module in the cabinet body and the peripheral hardware subassembly that extends from the cabinet body is outside, its characterized in that, be equipped with at least one cabinet door on the cabinet body, the cabinet door with the junction of the cabinet body is provided with first sealing device, the cabinet body with the junction of peripheral hardware subassembly is provided with second sealing device.

2. The cabinet of claim 1, wherein the first sealing means comprises a cabinet door gasket and at least one locking means, the locking means compressing the cabinet door gasket by being fastened to the cabinet door and abutting the cabinet body to form a cabinet body seal.

3. The cabinet of claim 1, wherein the cabinet body is a multi-sided box body, and the cabinet door is disposed on at least four sides of the cabinet body and is rotatably connected to the cabinet body.

4. The cabinet of claim 1, wherein the cabinet body is a multi-sided box body, the cabinet door is disposed on at least one side of the cabinet body, and the other sides are of an integrally formed plate structure.

5. The cabinet of any one of claims 1 to 4, wherein the laser modules are stacked and disposed inside the cabinet body, and when the cabinet door is fully opened, the laser modules are slid outward from the inside of the cabinet body from different directions.

6. The cabinet of claim 1, wherein the cabinet body is provided with a plurality of receiving openings, the peripheral assemblies extend outwards from the receiving openings, the second sealing device is arranged at the joints of the receiving openings and the peripheral assemblies, and the second sealing device is a sealing gasket matched with the receiving openings or a sealing coating formed around the receiving openings.

7. The cabinet of claim 1, wherein at least one dry dehumidification device is disposed in a gap between the laser modules and/or between the laser modules and the cabinet body, and the dry dehumidification device is a non-electrified device.

8. The cabinet according to claim 7, wherein a desiccant is arranged inside the drying and dehumidifying device, the desiccant is a calcium chloride desiccant, and the dosage of the desiccant is 3.6kg-12 kg.

9. A multi-module continuous fibre laser employing a hermetically sealed design laser cabinet as claimed in claims 1 to 8.

10. A laser processing system, wherein the lasers are arranged in a hermetically sealed design laser cabinet as claimed in claims 1 to 8, the lasers being in a non-air conditioned or non-external dehumidification environment.

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