CN218340536U - Laser decontamination plant - Google Patents

Abstract

The utility model relates to a specialized tool technical field discloses a laser decontamination plant. The device comprises a transmission pipeline, a laser assembly, an elastic seat and a limiting bracket; the transmission pipeline is used for transmitting the laser beam; the laser assembly comprises a laser seat provided with an exit port, and the laser seat is used for emitting the laser beam conveyed by the transmission pipeline to the area to be decontaminated through the exit port so as to decontaminate the area to be decontaminated; one side of the limiting support is connected to the laser seat through the elastic seat, the other side of the limiting support is used for being abutted to the area to be decontaminated, the elastic seat is used for damping, and the limiting support is used for limiting the distance between the exit port and the area to be decontaminated so that the laser beam exiting from the exit port can be focused on the area to be decontaminated. The distance between the exit port and the area to be decontaminated is limited through the limiting support, so that the operation position of the device is quickly determined, the laser beam exiting from the exit port can be focused on the area to be decontaminated, the requirement on decontamination temperature is met, and the decontamination effect and efficiency of the area to be decontaminated are improved.

Description

Laser decontamination plant

Technical Field

The utility model relates to a specialized tool technical field especially relates to laser decontamination device.

Background

The laser decontamination is a new decontamination method, which utilizes the directionality and high brightness of laser to remove the pollutants on the surface of the material by the principles of light stripping, light decomposition and the like, and has the unique advantages of simplicity, convenience, no secondary pollution and the like. It can be used for liquid, solid and gas, has wide application range, and especially has superiority in derusting, removing paint, removing mud and dirt, and treating the surface of microelectronic sweat chip. When the existing laser decontamination device is used, the distance between the laser seat and the operation surface is not easy to control, so that a laser beam emitted by the laser seat can not be accurately focused on an area to be decontaminated, and the decontamination effect of the device is influenced.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a laser decontamination device to solve the technical problem that when the existing laser decontamination device is used, the distance between the laser seat and the operation surface is not easy to control, so that the laser emitted by the laser seat cannot be accurately focused on the area to be decontaminated, thereby affecting the decontamination effect of the device.

A laser decontamination device comprises a transmission pipeline, a laser assembly, an elastic seat and a limiting bracket;

the transmission pipeline is used for transmitting laser beams; the laser assembly comprises a laser seat provided with an exit port, and the laser seat is used for emitting the laser beam conveyed by the transmission pipeline to an area to be decontaminated through the exit port so as to decontaminate the area to be decontaminated;

one side of the limiting support is connected to the laser seat through the elastic seat, the other side of the limiting support is used for abutting against the area to be decontaminated, the elastic seat is used for damping, and the limiting support is used for limiting the distance between the exit port and the area to be decontaminated so that the laser beam emitted by the exit port can be focused on the area to be decontaminated.

In one embodiment, the elastic seat comprises a plurality of elastic pieces, one end of each elastic piece is connected to one side, close to the exit port, of the laser seat, the other end of each elastic piece is connected to the limiting support, and the elastic pieces are arranged at intervals in the circumferential direction of the exit direction of the laser beam of the laser seat.

In one of them embodiment, the elastic seat still includes a plurality of spacing posts, the one end of spacing post is connected in the laser seat, the other end connect in spacing support, just spacing post wears to locate in the elastic component, spacing post can for the laser seat with at least one of spacing support is followed the laser beam outgoing direction of laser seat removes, spacing post is used for restricting the laser seat with spacing support is in the direction of the laser beam outgoing direction of perpendicular to laser seat relatively removes.

In one embodiment, at least one of the laser seat and the limiting bracket is provided with a limiting block towards one side of the elastic seat, a mounting groove extending along the laser beam emitting direction of the laser seat is arranged in the limiting block, the limiting column penetrates through the mounting groove and is in sliding connection with the groove wall of the mounting groove, and the mounting groove is used for guiding the limiting column to move along the laser beam emitting direction of the laser seat.

In one embodiment, the spacing bracket comprises:

the top plate is connected to the elastic seat;

the bottom plate is used for abutting against the area to be decontaminated;

stand, one end connect in the roof, the other end connect in the bottom plate, the roof the bottom plate reaches be constructed between the stand and follow the circulation passageway that the laser beam outgoing direction of laser seat extends, the warp the laser beam warp of exit port outgoing reaches the circulation passageway waits to decontaminate the region.

In one embodiment, the number of the upright columns is multiple, the upright columns are arranged at intervals in the circumferential direction around the laser beam emergent direction of the laser seat, and the circulation channel is located in a space surrounded by the upright columns.

In one embodiment, the laser assembly further includes a connecting pipe, one end of the connecting pipe is communicated with the transmission pipeline, the other end of the connecting pipe is communicated with the laser seat, and an opening and closing valve is arranged on the connecting pipe.

In one embodiment, one side of the laser seat is connected with the connecting pipe in a threaded manner, and the other side of the laser seat is detachably connected with the limiting bracket.

In one embodiment, a clamping block is detachably connected to the outer wall of the laser seat, a clamping groove is concavely formed in the outer wall of the connecting pipe, and the clamping block is clamped with the clamping groove to limit the connecting pipe to be separated from the laser seat relatively.

In one embodiment, the laser decontamination device further comprises a handle tube, one end of the handle tube is communicated with the transmission pipeline, the other end of the handle tube is communicated with the connecting tube, the handle tube is used for being held by an operator, and the axial direction of the handle tube is perpendicular to the laser beam emitting direction of the laser seat.

Has the beneficial effects that:

the embodiment of the utility model provides a laser decontamination device, including transmission pipeline, laser subassembly, elastic seat and spacing support; the transmission pipeline is used for transmitting laser beams; the laser assembly comprises a laser seat provided with an exit port, and the laser seat is used for emitting the laser beam conveyed by the transmission pipeline to the area to be decontaminated through the exit port so as to decontaminate the area to be decontaminated; one side of the limiting support is connected to the laser seat through the elastic seat, the other side of the limiting support is used for being abutted to the area to be decontaminated, the elastic seat is used for damping, and the limiting support is used for limiting the distance between the exit port and the area to be decontaminated so that the laser beam exiting from the exit port can be focused on the area to be decontaminated. Inject the mouth through spacing support in this application and treat the decontamination distance between the region for the laser beam through the exit port outgoing of laser seat can focus on in treating the decontamination region, thereby makes the surface temperature who treats the decontamination region reach the decontamination requirement, improves and treats the decontamination region and carry out the effect of decontaminating, and when treating the decontamination work piece in the face of the difference, the equal operating position that can confirm laser decontamination device through spacing support fast, thereby improves the decontamination efficiency of device. In addition, the elastic seat is arranged, so that the limiting bracket can play a role in damping in the process of contacting with the to-be-decontaminated area, the relative acting force between the to-be-decontaminated workpiece and the laser seat is reduced, and the service life and the applicability of the device are improved.

Drawings

Fig. 1 is a schematic view of a laser decontamination apparatus according to an embodiment of the present invention;

fig. 2 is a schematic view of a portion of a laser decontamination apparatus according to an embodiment of the present invention;

fig. 3 is a partial cross-sectional view of a laser module in a laser decontamination apparatus according to an embodiment of the present invention.

Reference numbers:

100-a laser assembly; 110-a laser mount; 120-connecting tube; 130-an opening and closing valve; 140-a fixture block; 141-a positioning element; 150-card slot; 160-a grip tube; 161-a first stop collar; 162-a second stop collar; 170-a protective seat; 180-breathable net; 190-a connecting seat; 191-a connection hole; 200-a limit bracket; 210-a top plate; 220-a backplane; 230-upright post; 240-a first through hole; 250-a second through hole; 300-an elastic seat; 310-an elastic member; 320-a limiting column; 330-a limiting block; 400-conveying pipeline.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. 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 also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, fig. 1 is a schematic view of a laser decontamination apparatus according to an embodiment of the present invention. The utility model provides a laser decontamination device, which comprises a transmission pipeline 400, a laser component 100, an elastic seat 300 and a limit bracket 200; the transmission pipeline 400 is used for transmitting laser beams; the laser assembly 100 comprises a laser seat 110 provided with an exit port, wherein the laser seat 110 is used for emitting the laser beam transmitted by the transmission pipeline 400 to an area to be decontaminated through the exit port so as to decontaminate the area to be decontaminated; one side of the limiting bracket 200 is connected to the laser seat 110 through the elastic seat 300, the other side of the limiting bracket is used for abutting against the area to be decontaminated, the elastic seat 300 is used for damping, and the limiting bracket 200 is used for limiting the distance between the exit port and the area to be decontaminated, so that the laser beam exiting from the exit port can be focused on the area to be decontaminated.

One end of the transmission pipeline 400, which is far away from the laser seat 110, is communicated with the laser source, a reflector, a lens and the like are arranged in the laser seat 110, and the laser seat 110 is used for emitting the laser beam transmitted by the transmission pipeline 400 from an exit port after the laser beam is reflected by the reflector and refracted by the lens.

Specifically, the distance between the exit port and the area to be decontaminated is limited through the limiting support 200 in the application, so that the laser beam emitted through the exit port of the laser seat 110 can be focused on the area to be decontaminated, the surface temperature of the area to be decontaminated meets the decontamination requirement, the decontamination effect of the area to be decontaminated is improved, and when different workpieces to be decontaminated face each other, the operating position of the laser decontamination device can be quickly determined through the limiting support 200, and the decontamination efficiency of the device is improved. In addition, the elastic seat 300 is arranged, so that the limiting support 200 can play a role in damping in the process of contacting with the to-be-decontaminated area, the relative acting force between the to-be-decontaminated workpiece and the laser seat 110 is reduced, and the service life and the applicability of the device are improved.

Further, a laser channel is arranged in the laser base 110, a reflector, a lens and the like are installed in the laser channel, the laser channel has an outlet and an inlet, the outlet is configured as an exit port, and the inlet is communicated with the transmission pipeline 400.

Referring to fig. 1 and 2, fig. 2 is a partial schematic view of a laser decontamination apparatus according to an embodiment of the present invention. In one embodiment, the elastic base 300 includes a plurality of elastic members 310, one end of each elastic member 310 is connected to one side of the laser base 110 near the exit port, the other end is connected to the spacing bracket 200, and the plurality of elastic members 310 are circumferentially spaced around the laser beam exit direction of the laser base 110.

Specifically, when the operator supports the one end that spacing support 200 deviates from laser seat 110 and holds in waiting to decontaminate the region, the elastic component 310 that sets up between laser seat 110 and spacing support 200 can play the cushioning effect, reduces the effort that transmits to spacing support 200 to can prevent that the operator from leading to the emergence of the cracked condition of spacing support 200, improve the life of device because of exerting oneself too greatly when using. It should be noted that after the limiting bracket 200 abuts against the area to be decontaminated, the elastic member 310 will recover to deform, so that the distance between the exit port and the end of the limiting bracket 200 away from the laser base 110 remains unchanged, thereby ensuring that the laser beam exiting from the exit port is focused on the area to be decontaminated. Preferably, the elastic member 310 is a spring.

Referring to fig. 1 and 2, in one embodiment, the elastic base 300 further includes a plurality of limiting posts 320, one end of each of the limiting posts 320 is connected to the laser base 110, the other end of each of the limiting posts 320 is connected to the limiting bracket 200, the limiting posts 320 are disposed in the elastic member 310 in a penetrating manner, the limiting posts 320 can move along the laser beam emitting direction of the laser base 110 relative to at least one of the laser base 110 and the limiting bracket 200, and the limiting posts 320 are used for limiting the laser base 110 and the limiting bracket 200 to move relatively in a direction perpendicular to the laser beam emitting direction of the laser base 110.

Specifically, one end of the limiting column 320 is connected to the laser seat 110, and the other end is connected to the limiting support 200, so that the laser seat 110 and the limiting support 200 can be limited to move relatively in a direction perpendicular to the emitting direction of the laser beam of the laser seat 110, and the laser beam emitted through the emitting port of the laser seat 110 can accurately reach the area to be decontaminated, thereby improving the decontamination effect and efficiency. And spacing post 320 wears to locate the setting of elastic component 310, can play the guide effect to the flexible of elastic component 310, when elastic component 310 when receiving spacing support 200 and wait to decontaminate the work piece contact and the effort that produces and take place deformation, spacing post 320 can move along the laser beam outgoing direction of laser seat 110 to make laser seat 110 and spacing support 200 can remove along the laser beam outgoing direction of laser seat 110 relatively, thereby play the cushioning effect.

Referring to fig. 1 and 2, in one embodiment, the laser seat 110 and the limiting bracket 200 are provided with a limiting block 330 on one side facing the elastic seat 300, the limiting block 330 is provided with a mounting groove extending along the laser beam emitting direction of the laser seat 110, the limiting post 320 is disposed through the mounting groove and slidably connected to the groove wall of the mounting groove, and the mounting groove is used for guiding the movement of the limiting post 320 along the laser beam emitting direction of the laser seat 110.

Specifically, two ends of the elastic member 310 are respectively connected to the two limit blocks 330. The two ends of the limiting column 320 penetrate through the mounting groove and are connected with the groove wall of the mounting groove in a sliding mode, in the process that the limiting column 320 moves along the laser beam emitting direction of the laser seat 110, the groove wall of the mounting groove can play a guiding role for the limiting column 320, the limiting column 320 can stably move along the laser beam emitting direction of the laser seat 110, the position of the limiting column 320 in the direction perpendicular to the laser beam emitting direction is limited, the positions of the laser seat 110 and the limiting support 200 in the direction perpendicular to the laser beam emitting direction of the laser seat 110 are guaranteed, and the laser beam emitted through the emitting port of the laser seat 110 can accurately reach an area to be decontaminated.

In another embodiment, the laser seat 110 has a limiting block 330 on one side facing the elastic seat 300, or the limiting support 200 has a limiting block 330 on one side facing the elastic seat 300, and the specific connection relationship is the same as that of the above embodiments, and therefore, the detailed description thereof is omitted.

In another embodiment, at least one of the laser seat 110 and the limiting bracket 200 may have a mounting groove on a side facing the elastic seat 300, and the specific connection relationship is the same as that of the above embodiment, and therefore, the detailed description thereof is omitted. It should be noted that, in the embodiment, the laser seat 110 and the limiting bracket 200 are provided with the limiting block 330 on both sides facing the elastic seat 300.

Referring to fig. 1, in one embodiment, the position limiting bracket 200 includes a top plate 210, a bottom plate 220, and a pillar 230; the top plate 210 is connected to the elastic seat 300; the bottom plate 220 is used for abutting against an area to be decontaminated; one end of the upright post 230 is connected to the top plate 210, the other end is connected to the bottom plate 220, a flow channel extending along the laser beam emitting direction of the laser seat 110 is constructed among the top plate 210, the bottom plate 220 and the upright post 230, and the laser beam emitted through the emitting port reaches the area to be decontaminated through the flow channel.

Specifically, the limiting block 330 is disposed on a side of the top plate 210 away from the upright 230, the top plate 210 is provided with a first through hole 240, the bottom plate 220 is provided with a second through hole 250 corresponding to the first through hole 240, the upright 230 is disposed outside the laser beam emitting path, and the first through hole 240 and the second through hole 250 respectively form a part of the circulation channel. When the bottom plate 220 abuts against the workpiece to be decontaminated, when the laser beam emitted from the exit port of the laser holder 110 can reach the workpiece to be decontaminated through the first through hole 240 and the second through hole 250, the area located inside the second through hole 250 of the bottom plate 220 can be decontaminated, so that the focusing position of the laser beam can be accurately determined through the second through hole 250 of the bottom plate 220, and the decontamination efficiency is improved.

Referring to fig. 1, in one embodiment, the number of the pillars 230 is multiple, the multiple pillars 230 are circumferentially spaced around the laser beam emitting direction of the laser holder 110, and the flow channel is located in a space surrounded by the multiple pillars 230.

Specifically, stand 230 extends along the laser beam outgoing direction of laser seat 110, and the setting of a plurality of stands 230 for stable being connected between bottom plate 220 and the roof 210, simultaneously, can inject the position of circulation passageway, avoid causing the injury to other parts, and have gapped setting between the adjacent stand 230, can play radiating effect to a certain extent, improve the life of device.

Wherein, be equipped with the ventilative groove with the laser passageway intercommunication on the laser seat 110, the notch department in ventilative groove is equipped with ventilative net 180 to be convenient for distribute the heat in the laser passageway, improve the life of laser seat 110.

Referring to fig. 1, in one embodiment, the laser module 100 further includes a connecting tube 120, one end of the connecting tube 120 is connected to the transmission pipeline 400, and the other end is connected to the laser seat 110, and the connecting tube 120 is provided with an on-off valve 130.

Specifically, the opening and closing valve 130 is arranged to facilitate control of opening and closing of the laser decontamination device, so that the laser decontamination device is controlled conveniently, and adaptability of the device is improved.

Referring to fig. 1 and 3, fig. 3 is a partial sectional view of a laser module in a laser decontamination apparatus according to an embodiment of the present invention. In one embodiment, one side of the laser seat 110 is connected with the connecting pipe 120 in a threaded manner, and the other side is detachably connected with the limit bracket 200, so that the laser seat 110 can be replaced conveniently.

Specifically, be equipped with connecting seat 190 on laser seat 110, be equipped with the connecting hole 191 with the entry intercommunication of laser passageway in the connecting seat 190, the one end that the transmission pipeline 400 was kept away from to connecting pipe 120 stretches into in the connecting hole 191 to with the pore wall threaded connection of connecting hole 191, thereby make connecting pipe 120 and connecting seat 190 stably connected, be convenient for simultaneously install and dismantle, improved the adaptability of device.

Further, laser subassembly 100 still includes protection seat 170, laser seat 110 through with protection seat 170 threaded connection to the realization is connected with dismantling of spacing support 200, and one side that protection seat 170 deviates from laser seat 110 is provided with stopper 330. An avoiding hole communicated with the exit port is formed in the protective seat 170, so that the laser beam can reach the circulation channel through the avoiding hole.

Referring to fig. 1 and 3, in one embodiment, a fixture block 140 is detachably connected to an outer wall of the laser holder 110, a clamping groove 150 is concavely formed on an outer wall of the connection pipe 120, and the fixture block 140 is used for clamping with the clamping groove 150 to limit the connection pipe 120 to be separated from the laser holder 110.

Specifically, the fixture block 140 is clamped with the clamping groove 150, so that the connecting pipe 120 can be limited from moving relative to the laser base 110 along the extending direction of the connecting pipe 120, and the connecting seat 190 is in threaded connection with the connecting pipe 120, so that the connecting pipe 120 can be limited from rotating relative to the laser base 110, and the connection between the connecting pipe 120 and the laser base 110 is more stable.

Further, the fixture block 140 is L-shaped, a fixing member is convexly disposed on one side of the connecting seat 190 facing the connecting tube 120, the upper end of the L-shaped fixture block 140 is fixed to the fixing member through a positioning member 141, the lower end portion of the L-shaped fixture block is accommodated in the clamping groove 150, and the positioning member 141 can be a bolt, a pin, or the like, so that the fixture block 140 can be conveniently mounted and dismounted, and the laser seat 110 can be conveniently mounted and dismounted.

Referring to fig. 1, in one embodiment, the laser decontamination apparatus further includes a handle tube 160, one end of the handle tube 160 is connected to the transmission pipeline 400, the other end is connected to the connection pipe 120, the handle tube 160 is held by an operator, and an axial direction of the handle tube 160 is perpendicular to a laser beam emitting direction of the laser base 110.

Specifically, when the area to be decontaminated is treated and the bottom plate 220 abuts against the workpiece to be decontaminated, the laser beam emitting direction of the laser seat 110 coincides with the vertical direction, so that the path can be shortened, the temperature of the laser beam focused on the area to be decontaminated is increased, and the decontamination efficiency is improved. The axial direction of the grip tube 160 is perpendicular to the laser beam emitting direction of the laser seat 110, and the axial direction of the grip tube 160 is parallel to the horizontal plane, so that the grip tube is convenient for an operator to hold and the adaptability of the device is improved.

Further, the two ends of the grip tube 160 along the axial direction are respectively sleeved with a first limiting ring 161 and a second limiting ring 162, so that the grip area on the grip tube 160 can be accurately defined, the grip tube is convenient for an operator to hold, the preparation work of the operator in the earlier stage can be reduced, and the decontamination efficiency of the laser decontamination device is improved.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The laser decontamination device is characterized by comprising a transmission pipeline, a laser assembly, an elastic seat and a limiting bracket;

the transmission pipeline is used for transmitting laser beams; the laser assembly comprises a laser seat provided with an exit port, and the laser seat is used for emitting the laser beam conveyed by the transmission pipeline to an area to be decontaminated through the exit port so as to decontaminate the area to be decontaminated;

one side of the limiting support is connected to the laser seat through the elastic seat, the other side of the limiting support is used for abutting against the area to be decontaminated, the elastic seat is used for damping, and the limiting support is used for limiting the distance between the exit port and the area to be decontaminated so that the laser beam emitted by the exit port can be focused on the area to be decontaminated.

2. The laser decontamination device of claim 1, wherein the elastic base comprises a plurality of elastic members, one end of each elastic member is connected to one side of the laser base close to the exit port, the other end of each elastic member is connected to the limiting bracket, and the plurality of elastic members are circumferentially arranged around the laser beam exit direction of the laser base at intervals.

3. The laser decontamination device of claim 2, wherein the elastic base further comprises a plurality of limiting posts, one end of each limiting post is connected to the laser base, the other end of each limiting post is connected to the limiting bracket, the limiting posts are inserted into the elastic member, the limiting posts can move along the laser beam emitting direction of the laser base relative to at least one of the laser base and the limiting bracket, and the limiting posts are used for limiting the laser base and the limiting bracket to move relatively in the direction perpendicular to the laser beam emitting direction of the laser base.

4. The laser decontamination device of claim 3, wherein at least one of the laser seat and the limiting bracket is provided with a limiting block on a side facing the elastic seat, the limiting block is provided with an installation groove extending along the laser beam emitting direction of the laser seat, the limiting post is inserted into the installation groove and slidably connected with the groove wall of the installation groove, and the installation groove is used for guiding the movement of the limiting post along the laser beam emitting direction of the laser seat.

5. The laser decontamination device of claim 1, wherein said spacing bracket comprises:

the top plate is connected to the elastic seat;

the bottom plate is used for abutting against the area to be decontaminated;

one end of the upright post is connected with the top plate, the other end of the upright post is connected with the bottom plate, a circulation channel extending along the laser beam emergent direction of the laser seat is constructed between the top plate, the bottom plate and the upright post, and the laser beam emergent from the emergent port passes through the circulation channel to reach the area to be decontaminated.

6. The laser decontamination device of claim 5, wherein the number of the posts is plural, the plural posts are circumferentially spaced around the laser beam emitting direction of the laser holder, and the flow channel is located in a space surrounded by the plural posts.

7. The laser decontamination device of any one of claims 1-6, wherein the laser assembly further comprises a connection tube, one end of the connection tube is connected to the transmission pipeline, the other end of the connection tube is connected to the laser seat, and an open/close valve is disposed on the connection tube.

8. The laser decontamination device of claim 7, wherein one side of the laser seat is in threaded connection with the connection tube, and the other side of the laser seat is detachably connected with the limit bracket.

9. The laser decontamination device of claim 8, wherein a clamping block is detachably connected to the outer wall of the laser holder, a clamping groove is concavely formed in the outer wall of the connection pipe, and the clamping block is clamped with the clamping groove to limit the connection pipe from being separated from the laser holder.

10. The laser decontamination apparatus of claim 7, further comprising a handle tube, wherein one end of the handle tube is connected to the transmission pipeline, the other end of the handle tube is connected to the connection pipe, the handle tube is held by an operator, and the axial direction of the handle tube is perpendicular to the laser beam emitting direction of the laser base.

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