Circuit board maintenance workbench
By introducing fume extraction fans and purification components into the circuit board repair workbench, the health hazards of welding fumes have been solved, achieving efficient fume treatment and a stable repair environment, thereby improving repair quality and efficiency.
Patent Information
- Application Number
- CN202520002050.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-02
AI Technical Summary
The fumes generated during welding are harmful to human health. Current technology lacks effective means of fume treatment, which affects the health of maintenance personnel and their working environment.
A circuit board repair workbench was designed, comprising a substrate, a positioning component, a fume extraction fan, a purification component, and a front component box rack. The fume extraction fan removes smoke, and the purification component uses filter material and activated carbon tubes for purification.
It provides a stable maintenance environment, ensuring maintenance quality and efficiency, reducing the harm of smoke to the human body, and improving the health and safety of staff.
Smart Images

Figure CN223699590U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model mainly relates to the technical field of circuit board maintenance, and specifically relates to a circuit board maintenance workbench. BACKGROUND
[0002] The circuit board is also called a printed circuit board (PCB) and is a conductive plate used for supporting and connecting electronic components. It is an indispensable part of modern electronic equipment and provides a stable and reliable interconnection platform for electronic components. Circuit boards are widely used in computers, mobile phones, household appliances, industrial control equipment and various electronic devices. With the continuous development of electronic technology, the design and manufacturing of circuit boards are constantly improving to meet the demands of higher performance and smaller size.
[0003] In modern life, circuit board maintenance tables play a crucial role in the maintenance of electronic equipment. In the field of electrical maintenance, replacing damaged components on circuit boards is a very common task. Maintenance technicians must first identify the faulty components, then use a soldering gun to remove them. Next, they will install new components and secure them in place using solder. After completing these steps, the technician will test to confirm that the fault has been eliminated. However, during the soldering process with a soldering gun, smoke is generated, which is mainly composed of metal oxides, organic matter, and fluorides. Long-term inhalation of these fumes can irritate the respiratory tract and cause symptoms such as coughing and sore throat. The lead component in solder can cause lead poisoning, affecting the nervous system, blood system, and multiple organ systems.
[0004] Therefore, we need to provide a maintenance table with a stable maintenance environment and precise testing tools to ensure the quality, safety, and efficiency of maintenance work. CONTENT OF THE UTILITY MODEL
[0005] The utility model technical scheme provides a solution significantly different from existing technology to address the technical problem of the over-simplified solution of existing technology. Specifically, the utility model mainly provides a circuit board maintenance workbench to solve the technical problem of smoke generated during the soldering process with a soldering gun, which poses a certain risk to human health.
[0006] The utility model solves the above technical problems by adopting the following technical scheme:
[0007] A circuit board maintenance workbench, including a base plate and a front spare box frame, the front spare box frame is located on the upper side of the base plate, a positioning assembly is arranged on the base plate, a circuit board is arranged on the positioning assembly, an installation slot and an installation opening are arranged on the front spare box frame, an L-shaped channel is arranged between the installation slot and the installation opening, and the L-shaped channel is communicated with the installation slot and the installation opening, a smoke extraction fan is arranged in the installation slot, a purification assembly is arranged in the installation opening, the purification assembly comprises a box body and a cover body with an opening, side frames are arranged on both sides of the inner wall of the box body, and a combination filter material and a plurality of activated carbon pipes are arranged on the lower side and the upper side of the side frame respectively.
[0008] Further, the combination filter material comprises chemical filter cotton, electrostatic fiber filter material and polypropylene fiber filter material, and the chemical filter cotton, the electrostatic fiber filter material and the polypropylene fiber filter material are stacked from bottom to top.
[0009] Further, the box body is provided with a connecting hole, and the gap between the connecting hole and the upper end of the L-shaped channel is sealed by sealing glue.
[0010] Further, the positioning assembly comprises two parallel sliding grooves, and two aluminum groove guide rails are arranged on the two sliding grooves, the two aluminum groove guide rails are parallel, and the folded edges of the upper edges of the two aluminum groove guide rails jointly clamp the two edge positions of the circuit board.
[0011] Further, a butterfly screw is arranged between the sliding groove and the aluminum groove guide rail, and the butterfly screw locks the position of the aluminum groove guide rail on the sliding groove.
[0012] Further, the box body and the cover body are detachably connected.
[0013] Compared with the prior art, the circuit board maintenance workbench has the following beneficial effects:
[0014] The base plate, the sliding groove, the aluminum groove guide rail and the butterfly screw are arranged, the circuit board is quickly positioned during the maintenance of the circuit board, a stable maintenance environment and a work environment conducive to accurate testing are provided for the workers, the quality and efficiency of the maintenance work are ensured, the situation of re-damage during the maintenance process is reduced, the smoke generated by welding is extracted into the box body through the cooperation of the smoke extraction fan, the box body, the side frame, the cover body, the chemical filter cotton, the electrostatic fiber filter material, the polypropylene fiber filter material and the activated carbon pipe, timely purification treatment is performed, the workers inhale less into the respiratory tract, the physical and mental health of the workers is ensured, the space layout is optimized, the front spare box frame can be used for storing various electronic components, the design and function are more rationalized, the workers can easily access the required components, the maintenance efficiency is improved, the maintenance personnel who are new to the field can quickly become skilled, and the circuit board maintenance workbench has certain practical value and application prospect.
[0015] The utility model will be explained in detail below in combination with the specific embodiments and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the whole structure schematic diagram of the utility model;
[0017] Figure 2 It is the whole structure exploded schematic diagram of the utility model;
[0018] Figure 3 It is the purification subassembly exploded schematic diagram of the utility model;
[0019] Figure 4 It is the base plate and front part box frame profile schematic diagram of the utility model.
[0020] In the drawing: 1, base plate;2, front part box frame;21, installation groove;22, installation mouth;23, L type passageway;3, positioning assembly;31, sliding slot;32, aluminum groove guide rail;33, butterfly screw;4, circuit board;5, smoke extraction fan;6, purification subassembly;61, box body;611, connecting hole;612, side frame;62, cover body;63, combined filter material;631, chemical filter cotton;632, electrostatic fiber filter material;633, polypropylene fiber filter material;64, activated carbon pipe. DETAILED DESCRIPTION
[0021] In order to facilitate understanding the utility model, the utility model will be described more comprehensively below in reference to relevant drawings, the drawings give several embodiments of the utility model, but the utility model can be realized by different forms, and is not limited to the embodiments described in the text, on the contrary, provide these embodiments are for making the disclosed content of the utility model more thorough and comprehensive.
[0022] It is explained that when element is called " fixedly set to " another element, it can be directly on another element also can exist the element of centering, when an element is considered " connected " another element, it can be directly connected to another element or possibly exist the element of centering, the terms " vertical " " horizontal " " left " " right " and similar expressions used in this article are only for the purpose of explanation.
[0023] Unless otherwise defined, all technical and scientific terms used in the text are same with the meaning that belongs to the technical personnel of the technical field of the utility model, the terms used in the specification of the utility model in the text are for the purpose of describing specific embodiments, not intended to limit the utility model, the term " and / or " used in the text includes any and all combinations of one or more related listed items.
[0024] Please refer to the accompanying drawings Figures 1-4A circuit board repair workbench includes a base plate 1 and a front component holder 2. The front component holder 2 is located on the upper side of the base plate 1. A positioning component 3 is provided on the base plate 1, and a circuit board 4 is provided on the positioning component 3. The front component holder 2 is provided with a mounting groove 21 and a mounting opening 22. An L-shaped channel 23 is provided between the mounting groove 21 and the mounting opening 22, and the L-shaped channel 23 connects the mounting groove 21 and the mounting opening 22. A smoke extraction fan 5 is provided in the mounting groove 21, and a purification component 6 is provided in the mounting opening 22. The purification component 6 includes a box body 61 and a cover 62 with an opening. Side frames 612 are provided on both sides of the inner wall of the box body 61. Combined filter material 63 and multiple activated carbon tubes 64 are respectively provided on the lower and upper sides of the side frames 612.
[0025] The above structure provides a stable repair environment and a working environment conducive to accurate testing for staff during circuit board repair, ensuring the quality and efficiency of repair work, reducing the possibility of re-damage during repair, and promptly handling soldering fumes to reduce the inhalation of fumes by staff, ensuring their physical and mental health. At the same time, the optimized spatial layout and more rational design and functions make it easier for new repair personnel to quickly become proficient, demonstrating practical value and application prospects.
[0026] The specific operation is as follows: First, loosen the wing screw 33 and place the circuit board 4 between the two aluminum channel rails 32. Then, according to the size of the circuit board 4 and the work habits of the maintenance personnel, adjust the position of the aluminum channel rails 32 on the slide 31. After adjusting to the appropriate position, tighten the wing screw 33 to ensure the stability between the aluminum channel rails 32 and the slide 31 and prevent shaking. Then, start to check the damage of the circuit board 4 and remove the components. Then, take out the corresponding electronic components from the electronic component accessory box on the front component box rack 2 and solder them onto the original faulty electronic components. When soldering with a soldering gun, the smoke generated will be drawn away by the smoke extraction fan 5. Then, the smoke will enter the box 61 through the L-shaped channel 23, pass through the combined filter material 63 and the activated carbon tube 64 for adsorption and purification, and then be discharged from the opening on the cover 62. After completing these steps, the technicians will conduct tests to confirm whether the fault has been eliminated.
[0027] Please refer to the appendix carefully. Figure 1 and attached Figure 2The positioning component 3 includes two parallel sliding grooves 31, on which two aluminum channel guide rails 32 are jointly provided. The two aluminum channel guide rails 32 are parallel to each other, and the folded edges of the upper edges of the two aluminum channel guide rails 32 jointly clamp the two edges of the circuit board 4. Through the cooperation between the aluminum channel guide rails 32 and the sliding grooves 31, the position of the circuit board 4 on the sliding grooves 31 can be adjusted according to the size of the circuit board 4 and the working habits of the maintenance personnel. A wing screw 33 is provided between the sliding grooves 31 and the aluminum channel guide rails 32. The wing screw 33 locks the position of the aluminum channel guide rail 32 on the sliding grooves 31. The positioning of the aluminum channel guide rail 32 is achieved by the wing screw 33.
[0028] Please refer to the appendix carefully. Figure 3 and attached Figure 4 The combined filter media 63 includes chemical filter cotton 631, electrostatic fiber filter media 632, and polypropylene fiber filter media 633, which are stacked sequentially from bottom to top. The chemical filter cotton 631 can adsorb and decompose harmful gases and vapors, while the electrostatic effect of the electrostatic fiber filter media 632 captures particulate matter. This filter media has a high filtration efficiency for fine particulate matter. The polypropylene fiber filter media 633 can filter out a certain proportion of fine particles. The bottom of the box body 61 is provided with a connection hole 611, and the gap between the connection hole 611 and the upper end of the L-shaped channel 23 is sealed with sealant. Smoke enters the box body 61 through the connection hole 611. The box body 61 and the cover 62 are detachably connected, which facilitates the periodic replacement of the filter media inside the box body 61.
[0029] The present invention has been described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvement made by adopting the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution of the present invention to other occasions without modification, shall be within the protection scope of the present invention.
Claims
1. A circuit board repair workbench, comprising a substrate (1) and a front component holder (2), the front component holder (2) being located on the upper side of the substrate (1), characterized in that, A positioning component (3) is provided on the substrate (1), and a circuit board (4) is provided on the positioning component (3). A mounting groove (21) and a mounting port (22) are provided on the front component box (2). An L-shaped channel (23) is provided between the mounting groove (21) and the mounting port (22), and the L-shaped channel (23) connects the mounting groove (21) and the mounting port (22). A smoke extraction fan (5) is provided in the mounting groove (21), and a purification component (6) is provided in the mounting port (22). The purification component (6) includes a box body (61) and a cover (62) with an opening. Side frames (612) are provided on both sides of the inner wall of the box body (61). Combined filter material (63) and multiple activated carbon tubes (64) are provided on the lower and upper sides of the side frames (612), respectively.
2. The circuit board repair workbench according to claim 1, characterized in that, The combined filter media (63) includes chemical filter cotton (631), electrostatic fiber filter media (632) and polypropylene fiber filter media (633), and the chemical filter cotton (631), electrostatic fiber filter media (632) and polypropylene fiber filter media (633) are stacked sequentially from bottom to top.
3. The circuit board repair workbench according to claim 1, characterized in that, The bottom of the box (61) is provided with a connection hole (611), and the gap between the connection hole (611) and the upper end of the L-shaped channel (23) is sealed with sealant.
4. A circuit board repair workbench according to claim 1, characterized in that, The positioning component (3) includes two parallel sliding grooves (31), and two aluminum groove guide rails (32) are provided on the two sliding grooves (31). The two aluminum groove guide rails (32) are parallel to each other, and the folded edge positions of the upper edge of the two aluminum groove guide rails (32) jointly clamp the two edge positions of the circuit board (4).
5. A circuit board repair workbench according to claim 4, characterized in that, A butterfly screw (33) is provided between the slide groove (31) and the aluminum channel guide rail (32), and the butterfly screw (33) locks the position of the aluminum channel guide rail (32) on the slide groove (31).
6. A circuit board repair workbench according to claim 2, characterized in that, The box body (61) and the cover body (62) are detachably connected.