Filter module and system for cleaning, circulating and filtering air in solid laser cavity

Abstract

The utility model discloses a filter module and an air cleaning and circulating filter system in a solid laser cavity. The system comprises a first filter element, a vacuum membrane pump, a second filter element and at least one filter module, after the first filter element, the vacuum membrane pump, the filter module and the second filter element are connected in series, one end is connected with an air outlet of the laser, and the other end is connected with an air inlet of the laser; the filtering module comprises a shell and a spiral filtering structure arranged in the shell, and the spiral filtering structure is filled with a drying agent, a molecular sieve and activated carbon. The filtering module adopts a spiral filtering structure to purify and filter air, so that the air travels for a longer distance in an air path filled with purifying substances, the purifying substances in the filtering module are ensured to be fully utilized, the utilization efficiency of the purifying substances is improved, the air purifying efficiency is improved, and the service life of the air purifier is prolonged. Secondary pollution in the laser cavity can be avoided, and the service life of the laser is further prolonged.

Description

Technical Field

[0001] This utility model relates to the field of laser technology, and in particular to a filter module and a solid-state laser cavity air cleaning and circulation filter system. Background Technology

[0002] Solid-state lasers and related equipment play a crucial role in industries such as industry, optical instruments, semiconductors, medicine, and pharmaceuticals. This means that the lifespan and stability of lasers are of paramount importance. During laser manufacturing, high requirements are placed on the air quality within the laser cavity (e.g., humidity, particulate matter). The air purification and circulation module within the laser cavity plays a vital role in ensuring this air quality. Traditional methods of purifying the air within the laser cavity typically employ built-in or external filter modules. While these filters are simple in structure, they suffer from incomplete utilization of the purifying material and low air purification efficiency, leading to secondary contamination within the laser cavity and consequently affecting the laser's lifespan. Summary of the Invention

[0003] The technical problem to be solved by this utility model is to provide a filter module and an air cleaning and circulation filter system for a solid-state laser cavity, which can ensure that the purification material inside the filter module is fully utilized, improve the utilization efficiency of the purification material, improve the air purification efficiency, thereby avoiding secondary pollution inside the laser cavity and thus improving the service life of the laser.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] This utility model provides a filtration module for purifying and filtering the air inside a laser cavity. The filtration module includes a housing and a spiral filter structure disposed within the housing. The spiral filter structure is filled with a desiccant, a molecular sieve, and activated carbon.

[0006] Preferably, the air inlet and outlet of the filter module are both equipped with filter cotton.

[0007] Preferably, the filter cotton has a filtration grade of 1µm.

[0008] Preferably, the housing and spiral filter structure are made of metal.

[0009] Another aspect of this utility model provides an air cleaning and circulating filtration system for a solid-state laser cavity, including a first filter element, a vacuum thin-film pump, a second filter element, and at least one filtration module. The filtration module is the filtration module described above. The first filter element, the vacuum thin-film pump, the filtration module, and the second filter element are connected in series, with one end connected to the air outlet of the laser and the other end connected to the air inlet of the laser.

[0010] Preferably, the filtration level of the first filter element and the second filter element is 0.01um.

[0011] Preferably, the vacuum diaphragm pump has a self-sealing structure and a flow rate of 1 L / min.

[0012] Preferably, the laser, the first filter element, the vacuum membrane pump, the filter module, and the second filter element are connected by a Teflon tube.

[0013] Preferably, the connection ports of the laser, the first filter element, the vacuum membrane pump, the filter module, and the second filter element are all equipped with air pipe connectors that connect to the Teflon tube.

[0014] Preferably, the connection between the endotracheal tube connector and the Teflon tube is secured with a clamp.

[0015] The aforementioned filter module and solid-state laser cavity air cleaning and circulation filtration system employ a spiral filter structure to purify and filter the air. This allows the air to travel a longer distance in the air path filled with purifying material, ensuring that the purifying material inside the filter module is fully utilized and improving its utilization efficiency. This, in turn, enhances air purification efficiency, avoids secondary pollution within the laser cavity, and ultimately extends the lifespan of the laser. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the solid-state laser cavity air cleaning and circulation filtration system of this utility model.

[0017] Figure 2 This is a cross-sectional view of the filter module of this utility model;

[0018] Figure 3 This is a schematic diagram of the spiral filter structure of this utility model.

[0019] Explanation of reference numerals in the attached figures:

[0020] 01-First filter element; 02-Vacuum membrane pump; 03-Filter module; 04-Filter cotton; 05-Laser; 06-Spiral filter structure; 07-Spiral filter structure air inlet; 08-Spiral filter structure air outlet; 09-Second filter element. Detailed Implementation

[0021] To enable those skilled in the art to more clearly understand the purpose, technical solution and advantages of this utility model, the present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] This invention provides a filter module and a solid-state laser cavity air cleaning and circulation filter system.

[0023] like Figure 1 As shown, in one embodiment of this utility model, the air cleaning and circulating filtration system inside the solid-state laser cavity includes a first filter element 01, a vacuum thin-film pump 02, a filter module 03, and a second filter element 09. The first filter element 01, the vacuum thin-film pump 02, the filter module 03, and the second filter element 09 are connected in series, with one end connected to the air outlet of the laser 05 and the other end connected to the air inlet of the laser 05, forming a closed air path system.

[0024] like Figure 2 As shown, the filter module 03 includes a housing and a spiral filter structure 06 disposed within the housing. The spiral filter structure 06 is filled with purifying substances such as desiccant, molecular sieve, and activated carbon, which can adsorb water vapor, sulfides, and other organic matter in the air, thus providing a thorough cleaning and filtration effect on the air inside the laser cavity. In this embodiment, the number of filter modules 03 is one; in other embodiments of this utility model, the number of filter modules 03 can be freely configured according to actual needs, such as two, three, etc., and the length of each filter module 03 can also be freely configured according to actual needs.

[0025] In this embodiment of the invention, the filter module 03 adopts a special spiral filter structure 06 to purify and filter the air, so that the air travels a longer distance in the air path filled with the purifying material, ensuring that the purifying material inside the filter module 03 is fully utilized, improving the utilization efficiency of the purifying material inside the filter module 03, thereby improving the air purification efficiency, increasing the actual service life of the filter module 03, avoiding secondary pollution inside the laser cavity, and thus improving the service life of the laser.

[0026] In some embodiments of this utility model, the laser 05, the first filter element 01, the vacuum membrane pump 02, the filter module 03, and the second filter element 09 are connected by Teflon tubing. The connection ports (including inlets and outlets) of the laser 05, the first filter element 01, the vacuum membrane pump 02, the filter module 03, and the second filter element 09 are all equipped with air pipe connectors for connection to the Teflon tubing. The connection between the air pipe connectors and the Teflon tubing is secured with clamps, thereby increasing the airtightness of the entire system. Of course, in other embodiments of this utility model, the laser 05, the first filter element 01, the vacuum membrane pump 02, the filter module 03, and the second filter element 09 can also be connected using other types of connecting pipes.

[0027] In some preferred embodiments of this utility model, one end of the air pipe connector is threaded, and the other end has a pagoda structure. The thread is a standard M4 thread, and the pagoda diameter is 3mm. The Teflon tube is selected with an inner diameter of 4mm and an outer diameter of 5mm. Specifically, the air outlet of the laser 05 is connected to the air inlet of the first filter element 01 using a Teflon tube and secured with a 5.7mm clamp; the air outlet of the first filter element 01 is connected to the air inlet of the vacuum diaphragm pump 02 using a Teflon tube and secured with a 5.7mm clamp; the air outlet of the vacuum diaphragm pump 02 is connected to the air inlet of the filter module 03 using a Teflon tube and secured with a 5.7mm clamp; the air outlet of the filter module 03 is connected to the air inlet of the second filter element 09 using a Teflon tube and secured with a 5.7mm clamp; the air outlet of the second filter element 09 is connected to the air inlet of the laser 05 using a Teflon tube and secured with a 5.7mm clamp. Of course, in other embodiments of this utility model, the air pipe connector, Teflon tube and clamp can be selected according to different specifications and models as needed.

[0028] In some preferred embodiments of this invention, the vacuum diaphragm pump 02 has a self-sealing structure and a flow rate of 1 L / min. The vacuum diaphragm pump 02 provides power for the air circulation of the entire system.

[0029] like Figure 2 , Figure 3 As shown, the filter module 03 is made of metal, meaning that both the housing and the spiral filter structure 06 are made of metal, giving the filter module 03 a pressure resistance of over 1 MPa. The spiral filter structure 06 is filled from left to right with desiccant, molecular sieves, and activated carbon, among other purification substances. Air enters through the spiral filter structure inlet 07 and exits through the spiral filter structure outlet 08. The purification substances inside the spiral filter structure 06 can adsorb water vapor, sulfides, and other organic matter in the air, effectively cleaning and filtering the air inside the laser cavity.

[0030] Both the air inlet and outlet of the filter module 03 are equipped with filter cotton 04. In some preferred embodiments of this invention, the filter cotton 04 has a filtration level of 1µm, and its main function is to completely filter out solid particles larger than 1µm, serving as a second-stage filtration system following the filter module 03. Of course, in other embodiments of this invention, the filter cotton 04 can also be selected from filter cotton of other filtration levels besides 1µm, depending on actual needs.

[0031] In some preferred embodiments of this utility model, the first filter element 01 and the second filter element 09 have a filtration level of 0.01µm, and their main function is to completely filter out solid particles larger than 0.01µm, serving as a third-stage filtration system following the filter module 03. Of course, in other embodiments of this utility model, the first filter element 01 and the second filter element 09 can also be selected with other filtration levels according to actual needs.

[0032] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Those skilled in the art can make various equivalent changes and improvements based on the above embodiments. All equivalent changes or modifications made within the scope of the claims should fall within the protection scope of the present utility model.

Claims

1. A filtration module for purifying and filtering air inside a laser cavity, characterized in that: The filtration module includes a housing and a spiral filtration structure disposed within the housing, wherein the spiral filtration structure is filled with a desiccant, a molecular sieve, and activated carbon.

2. The filtering module as described in claim 1, characterized in that: The filter module is equipped with filter cotton at both the air inlet and outlet.

3. The filtering module as described in claim 2, characterized in that: The filter cotton has a filtration level of 1µm.

4. The filtering module as described in claim 1, characterized in that: The shell and spiral filter structure are made of metal.

5. A cavity air cleaning and circulation filtration system for a solid-state laser, characterized in that: It includes a first filter element, a vacuum membrane pump, a second filter element, and at least one filter module. The filter module is the filter module as described in any one of claims 1-4. The first filter element, the vacuum membrane pump, the filter module, and the second filter element are connected in series, with one end connected to the air outlet of the laser and the other end connected to the air inlet of the laser.

6. The solid-state laser cavity air cleaning and circulation filtration system as described in claim 5, characterized in that: The filtration level of the first and second filter elements is 0.01µm.

7. The solid-state laser cavity air cleaning and circulation filtration system as described in claim 5, characterized in that: The vacuum diaphragm pump has a self-sealing structure and a flow rate of 1 L / min.

8. The solid-state laser cavity air cleaning and circulation filtration system as described in claim 5, characterized in that: The laser, the first filter element, the vacuum membrane pump, the filter module, and the second filter element are connected by Teflon tubing.

9. The solid-state laser cavity air cleaning and circulation filtration system as described in claim 8, characterized in that: The laser, the first filter element, the vacuum membrane pump, the filter module, and the second filter element are all equipped with air pipe connectors that connect to the Teflon tube.

10. The solid-state laser cavity air cleaning and circulation filtration system as described in claim 9, characterized in that: The connection between the endotracheal tube and the Teflon tube is secured with a clamp.

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