A water purification and sterilization device for PCB chemical cleaning equipment

By introducing a water purification and sterilization device into the chemical cleaning equipment, and using filter cartridges for filtration and ultraviolet lamp sterilization, the impact of impurities and bacteria in tap water on the surface quality of PCB boards is solved, achieving water purification and sterilization effects, and improving the surface quality of PCB boards after electroplating.

CN224578046UActive Publication Date: 2026-07-31SUZHOU CHUANGFENG OPTOELECTRONICS INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU CHUANGFENG OPTOELECTRONICS INTELLIGENT TECHNOLOGY CO LTD
Filing Date
2025-06-20
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

Existing chemical cleaning equipment uses tap water directly, resulting in poor PCB board surface quality and the presence of impurities and bacteria.

Method used

A water purification and sterilization device was designed, including a filter tank and a sterilization tank. After the tap water is filtered by the filter element, it is sterilized by ultraviolet lamp in the sterilization tank to ensure the purity of the water.

Benefits of technology

It improves the surface quality of PCB boards after electroplating in chemical cleaning equipment, removes impurities and bacteria, and enhances water purity.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224578046U_ABST
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Abstract

This utility model relates to the field of PCB board manufacturing technology, and the technical problem it aims to solve is the poor surface quality of PCB boards. To address this problem, this utility model provides a water purification and sterilization device for chemical cleaning equipment used in PCB boards. The utility model includes: a filter tank comprising a filter tank body and multiple filter elements disposed within the filter tank body; a filter tank inlet and a filter tank outlet are respectively located at the top and bottom of the filter tank body; the filter tank inlet is connected to an inlet pipe; a sterilization tank comprising a sterilization tank body and multiple ultraviolet lamps disposed within the sterilization tank body; a sterilization tank inlet and a sterilization tank outlet are respectively located at both ends of the sterilization tank body; the sterilization tank inlet is connected to the filter tank outlet; the sterilization tank outlet is connected to the inlet of the chemical cleaning equipment; tap water enters the filter tank body, is filtered by the filter elements, enters the sterilization tank body, is sterilized by the ultraviolet lamps, and then enters the chemical cleaning equipment. This utility model improves the surface quality of PCB boards.
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Description

Technical Field

[0001] This utility model relates to the field of PCB board production technology, and in particular to a water purification and sterilization device for chemical cleaning equipment of PCB boards. Background Technology

[0002] Electroplating is required in chemical cleaning equipment during PCB production. Existing chemical cleaning equipment directly uses tap water, but tap water contains impurities and bacteria, resulting in poor surface quality of the PCB after electroplating, which does not meet customer requirements. Utility Model Content

[0003] Therefore, the technical problem to be solved by this utility model is to overcome the above-mentioned problems existing in the prior art.

[0004] To solve the above-mentioned technical problems, this utility model provides a water purification and sterilization device for chemical cleaning equipment of PCB boards, comprising: A filter tank includes a filter tank body and multiple filter elements disposed within the filter tank body; the top and bottom of the filter tank body are respectively provided with a filter tank inlet and a filter tank outlet; the filter tank inlet is connected to an inlet pipe. The sterilization tank includes a sterilization tank body and multiple ultraviolet lamps installed inside the sterilization tank body; the sterilization tank body has a sterilization tank inlet and a sterilization tank outlet at both ends; the sterilization tank inlet is connected to the filter tank outlet; the sterilization tank outlet is connected to the inlet of the chemical cleaning equipment. The tap water enters the filter tank, is filtered by the filter element, and then enters the sterilization tank through the inlet of the self-sterilization tank. After being sterilized by ultraviolet lamp irradiation, the water from the outlet of the self-sterilization tank enters the chemical cleaning equipment.

[0005] In one embodiment of this utility model, multiple ultraviolet lamps are arranged at equal intervals in the sterilization tank.

[0006] In one embodiment of this utility model, multiple filter elements are arranged at equal intervals.

[0007] In one embodiment of this utility model, the bottom of the filter tank is also provided with a filter tank drain outlet for draining the water in the filter tank.

[0008] In one embodiment of this utility model, a fourth control valve is provided on the water outlet of the sterilization tank.

[0009] In one embodiment of this utility model, the filter element is detachably connected to the filter tank.

[0010] In one embodiment of this utility model, the application further includes a support, with the filter tank and sterilization tank fixed on the support.

[0011] In one embodiment of this utility model, the ultraviolet lamp tube is provided with a quartz sleeve.

[0012] In one embodiment of this utility model, the filter element is a PP wound filter element.

[0013] The above-mentioned technical solution of this utility model has the following advantages compared with the prior art: The water purification and sterilization device for PCB board chemical cleaning equipment described in this utility model can filter and sterilize the water entering the chemical cleaning equipment, thereby improving the surface quality of the PCB board after electroplating in the chemical cleaning equipment. Attached Figure Description

[0014] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein: Figure 1 This is a front view of a water purification and sterilization device for PCB board chemical cleaning equipment according to a preferred embodiment of the present invention; Figure 2 yes Figure 1 Top view of a water purification and sterilization device used in chemical cleaning equipment for PCB boards; Figure 3 yes Figure 1 Side view; Figure 4 yes Figure 1 A schematic diagram of the sterilization tank in a water purification and sterilization device for chemical cleaning equipment of PCB boards; Explanation of reference numerals in the accompanying drawings: 100, filter tank; 110, filter tank body; 120, filter element; 130, filter tank inlet; 131, third control valve; 140, filter tank outlet; 141, first control valve; 150, filter tank drain outlet; 151, second control valve; 160, outlet; 200. Sterilization tank; 210. Sterilization tank body; 220. Ultraviolet lamp tube; 230. Sterilization tank inlet; 244. Sterilization tank outlet; 241. Fourth control valve; 250. Quartz sleeve; 300. Bracket. Detailed Implementation

[0015] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments are not intended to limit the present invention.

[0016] Reference Figures 1-4 As shown, this utility model embodiment provides a water purification and sterilization device for PCB board chemical cleaning equipment, comprising: The filter tank 100 includes a filter tank body 110 and a plurality of filter elements 120 disposed in the filter tank body 110; the top and bottom ends of the filter tank body 110 are respectively provided with a filter tank inlet 130 and a filter tank outlet 140; the filter tank inlet 130 is connected to a water inlet pipe (the main water inlet pipe of the chemical cleaning equipment, which provides pressurized tap water); The sterilization tank 200 includes a sterilization tank body 210 and a plurality of ultraviolet lamps 220 disposed within the sterilization tank body 210; the sterilization tank body 210 is provided with a sterilization tank inlet 230 and a sterilization tank outlet 240 at its two ends respectively; the sterilization tank inlet 230 is connected to the filter tank outlet 140; the sterilization tank outlet 240 is connected to the inlet of the chemical cleaning equipment. After tap water enters the filter tank 110, it is filtered by the filter element 120 and then enters the sterilization tank 210 through the inlet 230 of the self-sterilization tank. After being sterilized by ultraviolet lamp 220, the water from the self-sterilization tank exits through the outlet 240 and enters the chemical cleaning equipment.

[0017] Water from the main inlet pipe of the client's chemical cleaning equipment enters the filter tank 110 through the filter tank inlet 130. The filter element 120 in the filter tank filters out particulate matter and other impurities from the water. After filtration, the water exits through the filter tank outlet 140 and then enters the sterilization tank 210 through the sterilization tank inlet 230. In the sterilization tank 210, the ultraviolet lamp 220 effectively kills bacteria, viruses, algae, and other microorganisms in the filtered water. The sterilized water exits through the sterilization tank outlet 240 and enters the client's chemical cleaning equipment.

[0018] Specifically, the design of this application allows the total inlet water of the chemical cleaning equipment to first pass through the filter tank 100 to remove impurities, and then effectively kill bacteria, viruses, algae, and other microorganisms in the sterilization tank 200. Therefore, this application can filter and sterilize the water entering the chemical cleaning equipment, thereby improving the surface quality of the PCB board after electroplating.

[0019] Furthermore, multiple ultraviolet lamps 220 are evenly spaced within the sterilization tank 210. Specifically, this embodiment ensures that the ultraviolet lamps 220 are evenly distributed within the sterilization tank 210, thereby enabling more uniform and effective sterilization of the water entering the sterilization tank 210 and improving the sterilization effect.

[0020] Furthermore, multiple filter elements 120 are arranged at equal intervals. Specifically, this embodiment allows water to come into more thorough and uniform contact with the filter elements 120, enabling more uniform and effective filtration and improving the filtration effect.

[0021] Furthermore, the bottom of the filter tank 100 is also provided with a filter tank drain outlet 150 for draining water from the filter tank 100. Specifically, the filter tank drain outlet 150 in this embodiment is used during the maintenance of the filter tank 100. During normal operation of this application, the filter tank drain outlet 150 is in a closed state. When it is necessary to replace the filter element 120 or repair the filter tank 110, the filter tank inlet 130 and the filter tank outlet 140 are closed, and then the filter tank drain outlet 150 is opened to drain the water from the filter tank 110 before disassembling or repairing the filter element 120 or repairing the filter tank 110.

[0022] Furthermore, the filter tank outlet 140 is provided with a first control valve 141; the filter tank drain outlet 150 is provided with a second control valve 151; the first control valve 141 and the second control valve 151 are either open or closed; the filter tank inlet 130 is provided with a third control valve 131. In some embodiments, the filter tank 100 is provided with an outlet 160 communicating with its interior, and the filter tank outlet 140, the filter tank drain outlet 150, and the outlet 160 are connected by a T-junction. In some embodiments, the opening and closing of the filter tank outlet 140, the filter tank drain outlet 150, and the filter tank inlet 130 can be controlled by the first control valve 141, the second control valve 151, and the third control valve 131, respectively.

[0023] Furthermore, in this application, the drain outlet 150 of the filter tank is connected to the drain trough. In some embodiments, this embodiment can centrally collect and treat the water discharged from the filter tank 110 through the drain trough.

[0024] Furthermore, a fourth control valve 241 is provided on the water outlet 240 of the sterilization tank. Specifically, in this embodiment, the fourth control valve 241 can control the on / off state of the water outlet 240 of the sterilization tank.

[0025] Furthermore, the filter element 120 is detachably connected to the filter housing 110. Specifically, in this embodiment, a filter element 120 of corresponding precision can be inserted according to customer requirements; and the filter element 120 can be replaced periodically.

[0026] Furthermore, this application also includes a bracket 300, on which the filter tank 100 and sterilization tank 200 are fixed. Specifically, in this embodiment, the bracket 300 provides support for the filter tank 100 and sterilization tank 200. After the filter tank 100 and sterilization tank 200 are fixed to the bracket 300, they are placed at the main water inlet of the chemical cleaning equipment. In some embodiments, the filter tank 110 and sterilization tank 210 can be connected and fixed to the bracket 300 by bolts, facilitating quick installation and disassembly.

[0027] Furthermore, the ultraviolet lamp tube 220 is fitted with a quartz sleeve 250. Specifically, in this embodiment, the quartz sleeve 250 can protect the ultraviolet lamp tube 220, prevent damage to the ultraviolet lamp tube 220, and improve the service life of the ultraviolet lamp tube 220.

[0028] Furthermore, filter element 120 adopts a PP wound filter element 120. Specifically, the PP wound filter element 120 allows for control over the tightness of the filter layer winding and the size of the filter pores, thereby producing filter elements 120 with different filtration accuracies, resulting in high filtration precision. The PP wound filter element 120 features high-flow-rate filtration while maintaining a small pressure differential, allowing it to maintain high-efficiency filtration performance even under high-pressure environments. The PP wound filter element 120 maintains structural integrity under high-pressure environments, exhibiting high pressure resistance and the ability to withstand high pressure differentials without deformation. The PP wound filter element 120 has a large dirt-holding capacity, capable of accommodating a large amount of impurities, extending the service life of the filter element 120. The PP material itself is non-toxic and odorless, and no harmful substances are produced during the filtration process, ensuring pure, non-toxic, odorless, and pollution-free water.

[0029] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A water purification and sterilization device for chemical cleaning equipment of PCB boards, characterized in that: include: A filter tank includes a filter tank body and a plurality of filter elements disposed in the filter tank body; the top and bottom ends of the filter tank body are respectively provided with a filter tank inlet and a filter tank outlet; the filter tank inlet is connected to an inlet pipe. A sterilization tank includes a sterilization tank body and a plurality of ultraviolet lamps disposed within the sterilization tank body; the sterilization tank body has a sterilization tank inlet and a sterilization tank outlet at its two ends respectively; the sterilization tank inlet is connected to the filter tank outlet; the sterilization tank outlet is connected to the inlet of a chemical cleaning equipment. In this process, tap water enters the filter tank, is filtered by the filter element, and then enters the sterilization tank through the inlet. After being sterilized by the ultraviolet lamp, the water enters the chemical cleaning equipment through the outlet of the sterilization tank. The filter tank outlet is equipped with a first control valve; the bottom of the filter tank is also equipped with a filter tank drain outlet for draining water from the filter tank; the filter tank drain outlet is equipped with a second control valve; the first control valve and the second control valve are either open or closed; the filter tank inlet is equipped with a third control valve; the filter tank has an outlet communicating with its interior; the filter tank outlet, filter tank drain outlet, and outlet are connected by a T-junction; the first control valve, the second control valve, and the third control valve control the opening and closing of the filter tank outlet, the filter tank drain outlet, and the filter tank inlet, respectively.

2. The water purification and sterilization device for PCB chemical cleaning equipment according to claim 1, characterized in that: The multiple ultraviolet lamps are arranged at equal intervals in the sterilization tank.

3. The water purification and sterilization device for PCB chemical cleaning equipment according to claim 1, characterized in that: The multiple filter elements are arranged at equal intervals.

4. The water purification and sterilization device for PCB chemical cleaning equipment according to claim 1, characterized in that: The sterilization tank is equipped with a fourth control valve at its outlet.

5. The water purification and sterilization device for PCB board chemical cleaning equipment according to claim 1, characterized in that: The filter element is detachably connected to the filter tank.

6. The water purification and sterilization device for PCB chemical cleaning equipment according to claim 1, characterized in that: It also includes a support frame, on which the filter tank and the sterilization tank are fixed.

7. The water purification and sterilization device for PCB chemical cleaning equipment according to claim 1, characterized in that: The ultraviolet lamp tube is fitted with a quartz sleeve.

8. The water purification and sterilization device for PCB chemical cleaning equipment according to claim 1, characterized in that: The filter element is a PP spiral wound filter element.