Modular laboratory central station

CN224686925UActive Publication Date: 2026-08-28LUDI ZHONGCHUANG (SHANDONG) LABORATORY EQUIPMENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202522108311.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-30
Publication Date
2026-08-28
Estimated Expiration
2035-09-30

AI Technical Summary

Technical Problem

[0003]有鉴于此,本实用新型提供的一种模块化实验室中央台,解决传统模块化中央台无法在同一柜体内兼顾高处安全存取与操作面积即时扩展的技术问题,消除外置梯具和附加桌面的占地、污染及安全隐患

Benefits of technology

[0023]扩展面板四周下折形成3mm高的裙边,裙边外沿与主台面下方沉台内沿之间四周留有0.6mm~1.0mm的均匀缝隙;该缝隙宽度小于实验室常规1.5mm台面拼缝美缝胶最小施工宽度,视觉上形成“发丝缝”,既满足空气释放与加工公差,又避免液体渗入。裙边底面粘贴0.3mm厚毛纺密封条,在推合状态下可进一步遮挡缝隙,防止细小颗粒落入滑轨。

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Abstract

The utility model provides a kind of modular laboratory central table, belong to laboratory central table technical field, this modular laboratory central table includes: main cabinet, main table top, horizontal bridge module, detachable operation panel, variable illumination module, hidden folding ladder and hidden telescopic table top;Wherein, horizontal bridge module is set to the top of main table top, detachable operation panel and variable illumination module are installed on horizontal bridge module;Hidden folding ladder is set inside main cabinet, and can be unfolded downward from the front side of main cabinet;Hidden telescopic table top is set below main table top, and can be pulled out or retracted horizontally outward from the side of main table top, the hidden telescopic table top includes extension panel and slide rail, extension panel is slidably connected below main table top by slide rail, solve the technical problem that traditional modular central table cannot consider high place safe access and operation area instant expansion in same cabinet, eliminate the land occupation, pollution and security risk of additional desktop of external ladder.
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Description

Technical Field

[0001] This utility model belongs to the technical field of laboratory central consoles, and more specifically, relates to a modular laboratory central console. Background Technology

[0002] Modular laboratory central workstations, serving as the core operational unit of modern research, quality control, and teaching spaces, are designed based on the concept of "functional zoning and rapid reconfiguration." They integrate subsystems such as worktops, storage, electrical systems, gas systems, data systems, and lighting into independently manufactureable, plug-and-play modules to adapt to the frequent demands of project changes, equipment upgrades, and space replanning. Compared to earlier concrete or solid wood workstations, modular design significantly shortens laboratory construction cycles and allows users to respond to different experimental workflows by adding or removing wall cabinets, moving tall cabinets, or replacing functional wall panels. However, with the rise of cutting-edge fields such as synthetic biology, micro / nano manufacturing, and high-throughput screening, researchers have raised new demands for central workstations, including "instant expansion, safe access, zero-dead-angle cleaning, and rapid single-person repositioning," revealing significant shortcomings of traditional modular central workstations. First, its operating area is fixed. When temporarily placing large-volume reactors or requiring multiple people to assemble them, additional trolleys must be used, causing congestion in passageways and potential height differences. Second, accessing and storing high-mounted cabinets requires external ladders or stools. The handling, storage, and return of ladders not only disrupt the experimental rhythm but also introduce the risk of cross-contamination in clean areas. Third, protruding handles, segmented hinges, and visible seams become accumulation points for contaminants, making it difficult to meet the stringent standards of the pharmaceutical, food, and electronics industries for smooth, seamless surfaces. In addition, existing electrical and gas panels are mostly fastened with bolts, and upgrading interfaces requires powering off the entire machine and disassembling the panels, resulting in long maintenance windows and high downtime costs. Although the lighting module has achieved on / off control, the color temperature and brightness are usually abruptly adjusted, making it impossible to continuously match processes sensitive to light environments, such as microscopic observation and spectral reading. The aforementioned drawbacks collectively result in traditional modular central consoles sacrificing some aspects for flexibility, safety, user-friendliness, and cleanliness. There is an urgent need for a new type of central console that can simultaneously address the two major pain points of accessing items from height and expanding operations without increasing floor space, damaging the appearance, or sacrificing storage. Utility Model Content

[0003] In view of this, the present invention provides a modular laboratory central table that solves the technical problem that traditional modular central tables cannot simultaneously achieve safe access from high places and instant expansion of the operating area within the same cabinet, and eliminates the land occupation, pollution and safety hazards of external ladders and additional desktops.

[0004] This utility model is implemented as follows: This utility model provides a modular laboratory central platform, comprising: Main cabinet, main countertop, cross bridge module, detachable control panel, variable lighting module, concealed folding ladder, and concealed telescopic tabletop; The cross bridge module is positioned across the top of the main platform, and the detachable operation panel and variable lighting module are installed on the cross bridge module. The concealed folding ladder is located inside the main cabinet and can be unfolded downwards from the front of the main cabinet. The concealed telescopic countertop is located below the main countertop and can be pulled out or retracted horizontally from one side of the main countertop.

[0005] The technical advantages of the modular laboratory central table provided by this utility model are as follows: By integrating five major functions—workbench, storage, lighting, operation, and safe access—into a single movable central table, and for the first time embedding a hidden folding ladder and a hidden telescopic tabletop into the main cabinet, researchers can retrieve items from high places without the aid of external ladders or by occupying passageways. When needed, the operating area can be expanded by more than double. The integrated structure not only improves space utilization but also eliminates the risks of slipping and obstructing passageways caused by external ladders, achieving a flexible experimental process of "one table, multiple views."

[0006] Based on the above technical solution, the modular laboratory central platform of this utility model can be further improved as follows: The concealed telescopic tabletop includes an extension panel and a slide rail. The extension panel is slidably connected to the bottom of the main tabletop via the slide rail. The shape of the extension panel matches the main tabletop, and it can form a continuous and flat operating surface with the main tabletop when pulled out.

[0007] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: the extended panel is made of the same material and thickness as the main table surface and is pulled out horizontally through a hidden slide rail, forming a continuous operating surface without color difference or steps, which avoids reagent spillage and accumulation at the joints, and also ensures that large precision instruments will not be vibrated or tilted when moved, thus taking into account both aesthetics and experimental safety.

[0008] Furthermore, the slide rail has a double-sided symmetrical structure, which is respectively set on the two sides of the extended panel. The slide rail includes a fixed rail and a movable rail. The fixed rail is fixed below the main table surface, and the movable rail is connected to the extended panel to realize the horizontal sliding of the extended panel.

[0009] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: the double-sided symmetrical slide rails evenly distribute the load to the cabinet side panels below the main table, making the panels less prone to deformation when bearing weight. At the same time, the concealed arrangement of the slide rails does not encroach on the storage height inside the cabinet, thus improving the cabinet's volume ratio. The slide rails have a built-in dustproof structure, reducing the entry of particles, extending the maintenance cycle, and making them suitable for experimental environments with high cleanliness requirements.

[0010] Furthermore, the slide rail is equipped with a self-locking mechanism that can automatically lock when the extension panel is fully extended, ensuring the stability of the extension panel in use.

[0011] The movable rail of the slide rail system has a flexible cantilever formed by stamping on its outer side, with a wedge-shaped locking tongue at the free end; the fixed rail has a corresponding locking hole. When the extended panel is fully extended, the locking tongue automatically springs into the locking hole under the elastic force of the cantilever, achieving "pull-out lock"; to retract, use your finger to push the unlocking lever at the end of the cantilever upwards, the locking tongue will disengage from the locking hole, and the extended panel can be pushed back. The thickness of the entire self-locking mechanism is no greater than the thickness of the slide rail body, and it is hidden below the main table surface, without occupying additional vertical space.

[0012] Furthermore, the concealed folding ladder includes a ladder body and a door. The door is flush with the front panel of the main cabinet. The ladder body is connected to the inside of the door. When the door is opened, the ladder body can be unfolded downwards to form a step structure. After use, it can be folded upwards and hidden inside the main cabinet when the door is closed.

[0013] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: the folding ladder is integrated with the hatch and is hidden. When closed, its appearance is flush with the adjacent cabinet door, which meets the laboratory's "no dead corners and easy cleaning" standard; when unfolded, the two steps are arranged according to the ergonomic height difference, so that users can reach the top of the hanging cabinet by standing naturally, reducing unsafe actions such as tiptoeing and overstretching, greatly shortening the time of experimental interruption, and the ladder is completely hidden after being retracted, without occupying passage space.

[0014] Furthermore, the ladder includes two steps with an anti-slip structure on the surface of the steps. The ladder is connected to the main cabinet through a hinge structure to enable the ladder to unfold and fold.

[0015] Both steps utilize solid wood or metal substrates. The upper surface is first laser-engraved with horizontal parallel grooves (groove width 1mm–2mm, groove depth 0.5mm–1mm, spacing 5mm–8mm). Then, TPU anti-slip strips with a hardness of 80A–90A are formed within these grooves through secondary injection molding or epoxy resin application. The surface of the anti-slip strips is 0.3mm–0.6mm higher than the substrate, creating a microscopic "soft tooth" gripping structure. The ends of the grooves are chamfered at 45° to prevent shoe soles from snagging. This structure maintains a dynamic coefficient of friction ≥0.55 in both dry and wet / oily environments.

[0016] Furthermore, the detachable operation panel is detachably connected to the crossbridge module via a magnetic or quick-lock interface, and the operation panel integrates at least one of a power interface, a data interface, and an air circuit interface.

[0017] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: the magnetic or quick-lock interface allows the operation panel to be disassembled and assembled by hand. When the experimental requirements change and a new interface needs to be upgraded, there is no need to power off the whole machine or remove the side panel. The downtime for maintenance is reduced from hours to minutes, ensuring continuous operation of the laboratory. The quick-lock interface has a built-in anti-foolproof protrusion to avoid reverse installation and improve replacement efficiency.

[0018] Furthermore, the variable lighting module is located at the bottom or side of the cross bridge module, and the color temperature and brightness of the lighting module are adjustable, including manual control or remote control via a smart terminal.

[0019] The bottom of the cross-bridge module features a dovetail-shaped recess along its length, into which an aluminum profile lamp housing slides. The lower surface of the lamp housing is a PC diffuser plate. Two LEDs are sequentially arranged within the aluminum profile: one 2700K warm white and the other 6500K cool white. Each LED is independently dimmed via a 0-10V PWM constant current driver. A magnetic stepless knob is embedded at the front of the cross-bridge module. The knob contains a Hall effect chip, and rotation outputs a 0-10V analog signal, enabling manual stepless adjustment of color temperature and brightness on-site. The driver also includes a Bluetooth Mesh module, allowing pairing with a mobile app or laboratory control system for remote group dimming, timed scene switching, and closed-loop control via an illuminance sensor.

[0020] Furthermore, the main cabinet has a storage space inside, a hidden folding ladder is located in the front area of ​​the storage space, and a hidden telescopic platform is located in the upper area of ​​the storage space. The two do not interfere with each other in space.

[0021] The beneficial effects of adopting the above-mentioned improvement scheme are as follows: the folding ladder and the telescopic table are arranged in a staggered manner inside the cabinet, sharing the same storage space but not interfering with each other, so that a single cabinet can simultaneously have the two functions of climbing and expanding the area without increasing the volume, saving aisle width for compact laboratories and increasing output per unit area; the storage space remains intact and can store reagents or instruments, with a high degree of functional integration.

[0022] Furthermore, the outer surfaces of the main countertop, the extension panel, the cross bridge module, and the main cabinet are made of the same material, and the concealed telescopic countertop leaves a gap with the main countertop when it is retracted.

[0023] The extended panel folds down around its perimeter to form a 3mm high skirt. A uniform gap of 0.6mm to 1.0mm is left between the outer edge of the skirt and the inner edge of the recessed platform below the main countertop. This gap width is less than the minimum application width of the standard 1.5mm grout for countertop joints in the laboratory, visually creating a "hairline" seam. This satisfies both air release and processing tolerances while preventing liquid seepage. A 0.3mm thick woolen sealing strip is attached to the bottom of the skirt, which further conceals the gap when the panel is closed, preventing small particles from falling into the slide rail.

[0024] Compared with existing technologies, the modular laboratory central table provided by this utility model has the following advantages: While fully retaining the existing advantages of the transverse modular electrical, gas, and data interfaces, as well as variable color temperature lighting, this utility model, through the design philosophy of "hidden yet present," seamlessly integrates the two major functions of a folding ladder and a telescopic tabletop into the main cabinet. This ensures that the overall dimensions of the central table remain consistent with traditional modular tables, yet it can instantly "grow" steps and a tabletop when needed, achieving a dual benefit of space and safety. Specifically, the folding ladder is integrally formed with the cabinet door, unfolding downwards with a light touch and automatically retracting upwards after use. The ladder no longer detaches from the experimental space, completely eliminating the slipperiness, obstruction, cleaning dead spots, and visual clutter caused by external ladders. The telescopic tabletop moves horizontally outwards via high-load sliding rails on both sides, forming a continuous plane with no color difference or steps with the main tabletop. This allows for temporary placement of large equipment and supports multiple people operating around it. The experimental process is no longer constrained by a fixed area, and after retraction, only a hairline gap remains, meeting the "one-wipe-and-clean" wiping requirements of cleanrooms. The combination of the self-locking mechanism and the unlocking lever allows the expansion action to be completed in a single, continuous rhythm of "pull out - automatically lock - flick - push back," without the need for additional tools or bending over to observe, which is in line with the habit of researchers holding instruments with one hand and operating with the other. The magnetic or quick-lock interface allows the electrical and gas panels to be disassembled and assembled by hand, and the interface upgrade can be completed in minutes when the project is changed, avoiding data interruption and sample waste caused by long downtime. The variable lighting module is embedded in the bottom of the cross bridge, and the scene can be preset remotely through the continuous dimming knob or smart terminal to eliminate the sudden changes in illuminance caused by traditional segmented dimming, reduce visual fatigue, and the remote activation function can illuminate the work surface in advance before personnel enter the clean area, reducing contact contamination between the arm and the switch. The overall structure integrates four high-frequency needs—accessibility, expansion, lighting, and interface maintenance—into a single cabinet without encroaching on storage space, maintaining aisle width, and significantly improving research output per unit area. All moving parts are completely enclosed when closed, with no exposed hinges, handles, or bolts, meeting the laboratory's triple requirements for aesthetics, rust prevention, and easy cleaning, while also providing standardized interfaces for future upgrades, achieving true modularity and intelligent concealment. Attached Figure Description

[0025] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 An example diagram of a modular laboratory central console; Figure 2 Right view of a modular laboratory central console; Figure 3 A side view of a modular laboratory central console; The attached diagram lists the components represented by each number as follows: 10. Main cabinet; 20. Main countertop; 30. Cross bridge module; 40. Detachable control panel; 50. Variable lighting module; 60. Concealed folding ladder; 70. Concealed telescopic tabletop; 71. Extension panel; 72. Slide rail. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0028] like Figures 1-3 The image shown is an example diagram of a modular laboratory central platform provided by this utility model, comprising: Main cabinet 10, main countertop 20, cross bridge module 30, detachable operation panel 40, variable lighting module 50, concealed folding ladder 60, and concealed telescopic tabletop 70. Among them, the cross bridge module 30 is positioned across the main platform 20, and the detachable operation panel 40 and the variable lighting module 50 are installed on the cross bridge module 30. The concealed folding ladder 60 is installed inside the main cabinet 10 and can be unfolded downwards from the front of the main cabinet 10; The concealed telescopic tabletop 70 is located below the main tabletop 20 and can be pulled out or retracted horizontally from one side of the main tabletop 20.

[0029] The operator first faces the main cabinet of the modular intelligent laboratory central platform and lightly touches the front edge of the cabinet door corresponding to the hidden folding ladder area with their knee or finger. Because the cabinet door and ladder are integrated and equipped with damping hinges, the door will automatically spring open about three to five centimeters after the touch, releasing the magnetic lock without violently swinging to avoid impacting adjacent equipment. The operator then pulls the cabinet door outward and downward, and the folding ladder unfolds smoothly under the guidance of gravity and the hinges. The two steps land sequentially and automatically lock into the limit pins. The entire process requires no hands; the operator can hold onto the crossbeam module with one hand to maintain balance. After the steps unfold, the TPU anti-slip soft rubber embedded in the laser-engraved grooves on the surface immediately provides a dynamic friction coefficient higher than 0.5. The operator can directly step on the first step and then climb onto the second. When standing naturally, the shoulder height is exactly aligned with the top of the hanging cabinet, allowing for easy access to reagent bottles, consumable boxes, or precision instruments without tiptoeing or overstretching, significantly reducing the risk of falls. After use, the operator first uses their palm to push the second step upwards, folding it together with the first step, and then flipping it upwards together. The ladder body, along with the cabinet door, retracts into the main cabinet along the hinge track, the magnetic lock re-engages, and the appearance is restored to a flat and continuous cabinet door panel. The entire process is silent, has no exposed parts, and does not occupy passage space.

[0030] When a larger operating area is required for the experimental procedure, the operator moves to either side of the main platform, hooks their finger into the concealed locking groove on the edge of the retractable platform, and gently pulls it outwards by about two centimeters. The locking mechanism disengages, releasing the extended panel. At this point, the ball bearing retainers of the high-load slide rails on both sides engage, and the extended panel slides smoothly horizontally under its own weight and the operator's effort. The damping grease built into the slide rails ensures uniform and shock-free movement. When the panel extends to its limit, the cantilevered wedge-shaped self-locking mechanism automatically pops out, and the locking tongue, driven by a spring, enters the corresponding locking hole on the fixed rail, emitting a slight "click" sound, indicating that the extended panel has reached the same level as the main platform and has a load-bearing capacity of no less than 150 kg. The operator can then place large reactors, microscopes, or perform multi-person collaborative assembly in the newly extended, continuously flat area without worrying about liquid accumulation in gaps or panel sinking. After the experiment is completed, the operator reaches under the panel with one hand and moves the unlocking lever, disengaging the latch and releasing the lock. Then, the operator gently pushes the expansion panel with their palm, causing the slide rail to retract synchronously until the edge maintains a hairline-thin 0.8 mm gap with the main platform surface—virtually invisible. The woolen sealing strip at the bottom of the skirt removes any remaining particles during the push-close action, preventing contamination of the slide rail. The entire climbing and expansion operation is completed independently by a single person, without any tools, and the total time taken is less than ten seconds with smooth movements, significantly improving the experimental efficiency and safety.

[0031] In the above technical solution, the concealed telescopic table 70 includes an extension panel 71 and a slide rail 72. The extension panel 71 is slidably connected to the bottom of the main table 20 through the slide rail 72. The shape of the extension panel 71 matches the main table 20, and it can form a continuous and flat operating surface with the main table 20 when it is pulled out.

[0032] Furthermore, in the above technical solution, the slide rail 72 has a double-sided symmetrical structure and is respectively set on the two sides of the extended panel. The slide rail 72 includes a fixed rail and a movable rail. The fixed rail is fixed below the main table 20, and the movable rail is connected to the extended panel to realize the horizontal sliding of the extended panel.

[0033] Furthermore, in the above technical solution, the slide rail 72 is equipped with a self-locking mechanism, which can automatically lock when the extension panel is fully pulled out, ensuring the stability of the extension panel in use.

[0034] Furthermore, in the above technical solution, the concealed folding ladder 60 includes a ladder body and a door. The door is flush with the front panel of the main cabinet 10. The ladder body is connected to the inside of the door. When the door is opened, the ladder body can be unfolded downward to form a step structure. After use, it can be folded upward and hidden inside the main cabinet 10 when the door is closed.

[0035] Furthermore, in the above technical solution, the ladder includes two steps, the surface of which is provided with an anti-slip structure, and the ladder is connected to the main cabinet 10 through a hinge structure to realize the unfolding and folding of the ladder.

[0036] Furthermore, in the above technical solution, the detachable operation panel 40 is detachably connected to the crossbridge module 30 via a magnetic or quick-lock interface, and the operation panel integrates at least one of a power interface, a data interface, and an air circuit interface.

[0037] Furthermore, in the above technical solution, the variable lighting module 50 is disposed at the bottom or side of the cross bridge module 30, and the color temperature and brightness of the lighting module are adjustable, and the adjustment method includes manual control or remote control via a smart terminal.

[0038] Furthermore, in the above technical solution, the main cabinet 10 has a storage space inside, the hidden folding ladder 60 is located in the front area of ​​the storage space, and the hidden telescopic platform 70 is located in the upper area of ​​the storage space. The two do not interfere with each other in space.

[0039] Furthermore, in the above technical solution, the main countertop 20, the extension panel, the cross bridge module 30 and the outer surface of the main cabinet are made of the same material, and the hidden telescopic countertop 70 leaves a gap between itself and the main countertop 20 when it is retracted.

[0040] First Embodiment: The modular laboratory central platform in this embodiment is used in university teaching laboratories. The main cabinet is made of bent and welded steel plate with powder coating, and the main tabletop is made of corrosion-resistant solid core phenolic resin board. The crossbeam module spans the rear edge of the main tabletop and is pre-installed with three mains power sockets, two gas cocks, and one data interface. The detachable operation panel is magnetically attached to the crossbeam, allowing students to replace it with a new panel with USB-C or RJ45 within five minutes without tools. A variable lighting aluminum shell is embedded in the bottom of the crossbeam, with the diffuser plate parallel to the main tabletop. Teachers can continuously adjust the color temperature and brightness using a stepless knob on the side of the podium to meet different needs for slide observation and titration comparison. A hidden folding ladder is located in the storage compartment on the right side of the main cabinet: the outer surface of the door is flush with the adjacent door panel and has no handle; a light touch causes the damping hinge to spring open, and the door and ladder rotate downwards by two steps, allowing students to stand and retrieve shared glassware from the upper cabinet. After use, the ladder can be pushed upwards to restore the flat surface. The concealed telescopic work surface is located on the left side below the main work surface: the extended panel is made of the same material as the main work surface, with folded-down skirts around the edges. It slides outward via double-sided sliding rails, with elastic locking tongues at the ends of the rails. Pulling it out locks the panel, creating a continuous and flat temporary writing area that can accommodate four groups of students simultaneously for data recording. After the experiment, a gentle push of the bottom unlocking plate causes the panel to retract smoothly, with the gaps concealed by the woolen strips of the skirt, preventing chalk dust and reagents from entering. The entire central work surface is equipped with leveling feet and omnidirectional brake wheels, allowing teachers to easily rearrange the classroom layout with one hand. Both the elevation and expansion functions are performed in place, eliminating the need for external ladders or moving side tables, keeping passageways clear. This design is suitable for teaching scenarios with intensive class schedules and high student turnover.

[0041] Second Embodiment: This embodiment's modular laboratory central platform is used in the GMP R&D workshop of a biopharmaceutical company. The main cabinet is made of stainless steel plate, bent in one piece and fully welded and polished, with a surface roughness meeting cleanroom standards. The main work surface is made of ceramic plate, which is resistant to strong acids and alkalis and easily removes heat sources. The crossbridge module is suspended above the main work surface and fixed to the top plate by a lower suspension rod, avoiding dead corners for floor hygiene. The crossbridge integrates one clean compressed air supply, two process vacuum supply, and one uninterruptible power supply. The detachable operation panel uses a quick-lock interface, allowing maintenance personnel to rotate the panel downwards with one hand to replace filters without power interruption, meeting the workshop's "zero downtime" requirement. The variable lighting module is embedded in the bottom of the crossbridge, with the lamp housing sealed to the bridge body with a food-grade silicone strip. It can be remotely dimmed via a DCS system to meet the process switching between low illumination for cell culture and high brightness for coating observation. The concealed folding ladder is located at the center front of the main cabinet: the door is welded flush with the cabinet panel and opens with a push-button lock; the ladder body is made of stainless steel square tubing, with laser-engraved horizontal grooves and injection-molded TPU anti-slip strips on the step surface, allowing personnel to stand stably even while wearing cleanroom shoe covers. It is used to retrieve and place spare chromatography columns above the laminar flow hood. After use, it folds upwards, and the door automatically adheres. There are no exposed bolts, and it can be wiped directly with alcohol. The concealed telescopic worktable is located below the main worktable on the right side: the extension panel is made of the same ceramic plate and is pulled out horizontally via a slide rail. The slide rail has a built-in elastic locking tongue, locking immediately upon extension. It can be used to temporarily place chromatography systems or disposable reaction bags. The panel forms a continuous plane with the main worktable, preventing vibration when moving equipment; when retracted, the skirt leaves only a hairline gap with the main worktable, with a woolen sealing strip below the gap to prevent spores and dust from falling in. The entire central console features adjustable stainless steel feet at all four corners, allowing for seamless welding to the floor to create an easy-to-clean surface. This design is suitable for pharmaceutical R&D scenarios within A / B grade clean areas where occasional elevation maintenance of equipment is required, as well as temporary expansion of the sterile operating area.

[0042] Specifically, the principle of this utility model is as follows: The core principle of this utility model lies in "space reuse" and "action merging": By prefabricating functional compartments in the thickness space of the main cabinet and the thickness space below the main tabletop, the traditional external ladder and additional desktop are transformed into a "foldable and movable" hidden body. In the closed state, the volume is given to storage, and in the unfolded state, it can be quickly transformed into a climbing and expansion platform, completing the switching of "one space, two forms". The folding ladder adopts an integrated door and ladder rotating mechanism. The ladder body is rigidly connected to the inside of the cabinet door. By using the hinge rotation center to move down, the steps are automatically brought out when the door flips outward, and a self-stabilizing triangle is formed by the limit pin at the extreme angle. When retracting, it rotates in the opposite direction, the ladder body folds against the back of the door, and is embedded back into the cabinet frame with the door body. The magnetic or spring pins relock, achieving a handle-less and gapless invisible effect. The telescopic tabletop is based on the principle of "symmetrical cantilever with double-sided sliding rails". The extended panel reduces the coefficient of friction through the ball bearing retainer between the movable and fixed rails, while distributing the vertical load to the side panel of the cabinet instead of the main tabletop, thus achieving high load-bearing capacity without increasing the thickness of the main tabletop. An elastic locking tongue is set at the end of the sliding rail. When the panel moves outward and the locking tongue aligns with the locking hole of the fixed rail, the spring releases energy to push the locking tongue to engage, completing the "locking when in position" operation. The unlocking lever overcomes the spring force with only a small angle of adjustment through the lever principle, allowing the locking tongue to disengage. The push-back action also utilizes the low damping characteristics of the ball bearing retainer to ensure smooth one-handed operation. The crossbridge module continues the existing modular approach, integrating electrical, gas, and data interfaces into a replaceable profile cavity. The interface backplate and profile are quickly positioned by magnets or snap fasteners, achieving "quick disassembly without power interruption and upgrades without screwing." The lighting module integrates dual-color temperature LED strips, drivers, and communication boards into an aluminum extruded heat sink. The housing is embedded in the dovetail groove at the bottom of the crossbridge, forming a dual-function lamp body and structural component. Continuous dimming changes the duty cycle through PWM chopping, and color temperature adjustment uses dual-path mixing. Combined with Bluetooth Mesh networking, it achieves multi-point synchronization and scene memory.

Claims

1. A modular laboratory central platform, characterized in that, include: Main cabinet, main countertop, cross bridge module, detachable control panel, variable lighting module, concealed folding ladder, and concealed telescopic tabletop; The cross bridge module is positioned across the top of the main platform, and the detachable operation panel and variable lighting module are installed on the cross bridge module. The concealed folding ladder is located inside the main cabinet and can be unfolded downwards from the front of the main cabinet. The concealed telescopic countertop is located below the main countertop and can be pulled out or retracted horizontally from one side of the main countertop.

2. The modular laboratory central platform according to claim 1, characterized in that, The concealed telescopic tabletop includes an extension panel and a slide rail. The extension panel is slidably connected to the bottom of the main tabletop via the slide rail. The shape of the extension panel matches the main tabletop, and it can form a continuous and flat operating surface with the main tabletop when pulled out.

3. A modular laboratory central platform according to claim 2, characterized in that, The slide rail has a double-sided symmetrical structure and is respectively set on the two sides of the extended panel. The slide rail includes a fixed rail and a movable rail. The fixed rail is fixed below the main table surface, and the movable rail is connected to the extended panel to realize the horizontal sliding of the extended panel.

4. A modular laboratory central platform according to claim 3, characterized in that, The slide rail is equipped with a self-locking mechanism, which can automatically lock when the extension panel is fully pulled out, ensuring the stability of the extension panel in use.

5. A modular laboratory central platform according to claim 4, characterized in that, The concealed folding ladder includes a ladder body and a door. The door is flush with the front panel of the main cabinet. The ladder body is connected to the inside of the door. When the door is opened, the ladder body can be unfolded downwards to form a step structure. After use, it can be folded upwards and hidden inside the main cabinet when the door is closed.

6. A modular laboratory central platform according to claim 5, characterized in that, The ladder includes two steps with an anti-slip structure on the surface. The ladder is connected to the main cabinet by a hinge structure, which allows the ladder to be unfolded and folded.

7. A modular laboratory central platform according to claim 6, characterized in that, The detachable operation panel is detachably connected to the crossbridge module via a magnetic or quick-lock interface, and the operation panel integrates at least one of a power interface, a data interface, and an air circuit interface.

8. A modular laboratory central platform according to claim 7, characterized in that, The variable lighting module is located at the bottom or side of the cross bridge module. The color temperature and brightness of the lighting module are adjustable, and the adjustment methods include manual control or remote control via a smart terminal.

9. A modular laboratory central platform according to claim 8, characterized in that, The main cabinet has a storage space inside, a hidden folding ladder is located in the front area of ​​the storage space, and a hidden telescopic platform is located in the upper area of ​​the storage space. The two do not interfere with each other in terms of space.

10. A modular laboratory central platform according to claim 9, characterized in that, The main countertop, the extension panel, the cross bridge module, and the outer surface of the main cabinet are made of the same material, and the concealed telescopic countertop leaves a gap with the main countertop when it is retracted.