Laminate lamp and side plate conductive device

By using concealed wiring and electromagnetic adsorption to fix the shelf lights and side panel conductive devices, the shortcomings of traditional shelf light power supply and fixing methods are solved, achieving convenient installation, reliable fixation, aesthetic design and low energy consumption, adapting to the lighting needs of different application scenarios.

CN224215280UActive Publication Date: 2026-05-08WENZHOU NATU SMART HOME CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WENZHOU NATU SMART HOME CO LTD
Filing Date
2025-09-16
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Traditional shelf lights have many drawbacks in terms of power supply and fixing methods, including exposed wires that affect aesthetics and pose safety hazards, loose sockets that are easily damaged, mechanical clips that are not secure, and complicated and time-consuming installation, which affects the user experience and reliability.

Method used

It adopts a DC low-voltage power supply design with concealed wiring and an electromagnetic adsorption fixing method. By combining a conductive metal strip with an electromagnetic adsorption component, it can achieve power-on when placed and power-off when removed. Combined with a PWM control strategy, it reduces energy consumption and provides stable fixing by utilizing the interaction between the ferromagnetic side and the electromagnetic adsorption component.

Benefits of technology

It achieves convenient and efficient installation, reliable and stable fixing, neat and beautiful appearance, strong adaptability, and maintains stable performance during high-frequency use, reducing energy consumption and extending equipment life.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224215280U_ABST
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Abstract

The utility model discloses a laminate lamp and side plate conductive device, which comprises a side plate assembly, a side plate mounting seat, two parallel conductive metal strips arranged in the side plate mounting seat, a positive electrode and a negative electrode forming DC low-voltage power supply, a side plate joint formed at the front end of each conductive metal strip, and an electromagnetic adsorption part arranged in the side plate mounting seat, the electromagnetic adsorption part penetrates through the side plate mounting seat and is electrically connected with the conductive metal strip; according to the laminate assembly, a laminate connector is arranged at the end of a laminate base body, the laminate connector abuts against a side plate connector to form electrical connection, ferromagnetic side edges are arranged at the ends of the two sides of the laminate base body, the ferromagnetic side edges interact with electromagnetic attraction pieces to generate attraction force, an LED module is arranged on the bottom face of the laminate base body, and the LED module obtains power supply through abutting of the laminate connector and the side plate connector. The laminate lamp and side plate conductive device has the advantages of being electrified after being placed, fixed through magnetic force, hidden in wiring, low in consumption and safe.
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Description

Technical Field

[0001] This utility model relates to a shelf lamp and a side plate conductive device. Background Technology

[0002] With the rapid development of modern commercial displays, home decoration, and intelligent lighting technologies, shelf lighting systems, as important functional and decorative components, are widely used in scenarios such as shopping mall display cases, library bookshelves, home storage cabinets, and museum display shelves. However, traditional shelf lighting systems have many technical defects in practical applications, which seriously restricts the improvement of their functionality and aesthetics.

[0003] Firstly, in terms of power supply, traditional shelf lights mainly use two power supply modes: one is direct connection with exposed cables. Although this method is simple in structure, the exposed wires seriously affect the overall aesthetics and pose safety hazards. The cables are prone to tangling, aging and breaking, and maintenance and replacement are difficult. The other is power supply with recessed sockets. This requires reserving socket holes on the shelf, which damages the integrity of the shelf. Moreover, the sockets are prone to loosening and poor contact after long-term use, and the plug-in life is usually only 500-1000 times, which is far from meeting the needs of frequent adjustments in commercial displays.

[0004] Secondly, regarding the fixing methods, traditional shelves mostly rely on mechanical clips, screws, or brackets. While mechanical clips are relatively easy to install, their load-bearing capacity is limited, typically only able to withstand 30-40N of lateral force, and they are prone to falling off under heavy loads. Screw fixing, although secure, is cumbersome and time-consuming to install, with an average installation time exceeding 45 seconds, and requires tools. Repeated disassembly and assembly can damage the screw holes, affecting reusability. Bracket support methods take up a lot of space, affecting the utilization of storage space, and the brackets themselves are aesthetically unappealing. Utility Model Content

[0005] The purpose of this invention is to provide a shelf light and a side panel conductive device. This shelf light and side panel conductive device features immediate power supply upon placement, magnetic fixation, concealed wiring, and low power consumption and safety.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0007] A shelf lamp and side plate conductive device, comprising:

[0008] The side panel assembly includes a side panel mounting base, in which two parallel conductive metal strips are provided to form positive and negative poles for DC low-voltage power supply. The front end of the conductive metal strips forms a side panel connector. The side panel mounting base is also provided with an electromagnetic adsorption component, which passes through the side panel mounting base and is electrically connected to the conductive metal strips.

[0009] A shelf assembly includes a shelf substrate, a shelf connector at one end of the shelf substrate, the shelf connector abutting against a side plate connector to form an electrical connection, ferromagnetic sides at both ends of the shelf substrate, the ferromagnetic sides interacting with an electromagnetic adsorption component to generate an adsorption force, and an LED module on the bottom surface of the shelf substrate, the LED module receiving power through the abutting between the shelf connector and the side plate connector.

[0010] The present invention is further configured such that: the side plate joint and the shelf joint have a wiping stroke of not less than 0.5 mm, and during the process of pushing the shelf in, the joint surface slides relative to each other to form a self-cleaning effect.

[0011] The present invention is further configured such that the conductive metal strip is made of gold-plated copper strip, tin-plated copper strip or stainless steel spring sheet.

[0012] The present invention is further configured such that: the electromagnetic adsorption component includes a coil and a soft magnetic yoke, the soft magnetic yoke adopts a C-shaped or cup-shaped structure to form a closed magnetic circuit.

[0013] The present invention is further configured such that the plate joint adopts an arc-shaped contact surface and is gold-plated.

[0014] The present invention is further configured such that the thickness of the ferromagnetic side is 0.6-1.5mm, and it is integrated with the substrate of the layer plate using an inlay strip or edge-wrapping structure.

[0015] The present invention is further configured such that the length of the substrate is 600-1200mm and the depth is 200-350mm.

[0016] The present invention is further configured such that: the power of the LED module is 4-12W, the operating current is 0.15-0.5A, and it is used in conjunction with an aluminum substrate or aluminum strip for heat dissipation.

[0017] In summary, this utility model has the following beneficial effects:

[0018] Easy and efficient installation: Through the integrated design of conductive side panel and conductive shelf joint, the "power on when placed, power off when removed" operation is realized, which reduces the traditional installation time of 46 seconds to 22 seconds, improving installation efficiency by 52%. It eliminates the need for cumbersome mechanical fixing and power connection steps, greatly simplifying the operation process.

[0019] Reliable and stable fixation: The electromagnetic adsorption fixation method increases the anti-slip capability from the traditional 35N to 75N, an improvement of 114%. It can maintain stable fixation even under a 5kg load, effectively solving the problems of weak fixation and easy loosening of traditional mechanical buckles.

[0020] Energy-saving, environmentally friendly and low-consumption: Through the PWM hold control strategy, the electromagnetic fixed power consumption is reduced from a continuous 14.4W to an average of 4.8W, saving 67% of energy consumption. At the same time, the temperature rise of the electromagnetic adsorption component is reduced by about 65%, which not only reduces operating costs but also extends the service life of the equipment.

[0021] Excellent contact performance: The side plate joint and the shelf joint are designed with a wiping stroke of not less than 0.5mm to form a self-cleaning effect, effectively removing oxide layer and contaminants from the contact surface, ensuring low contact resistance and reliable conductivity for long-term use.

[0022] The appearance is neat and beautiful: the conductive metal strip is hidden inside the side panel mounting base, with no exposed cables, concealed wiring, and a simple and elegant overall appearance, meeting the high aesthetic requirements of modern display and lighting systems.

[0023] Highly adaptable and flexible: The shelf position can be freely adjusted, supporting different length specifications from 600-1200mm, and LED power can be selected from 4-12W, adapting to the lighting needs of different application scenarios, and has good versatility and expandability.

[0024] Simple and durable maintenance: In a high-frequency use test with 50 installations / removals per day for 30 consecutive days, the system maintained stable performance without significant performance degradation, fully demonstrating the high reliability and long lifespan of the device. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of an embodiment;

[0026] Figure 2 An exploded view of the embodiment with one side panel hidden;

[0027] Figure 3 for Figure 2 A schematic diagram of the rear view structure.

[0028] Reference numerals: 1. Side panel mounting base; 2. Conductive metal strip; 3. Side panel connector; 5. Electromagnetic adsorption component; 7. Sheet substrate; 8. Sheet connector; 10. LED module. Detailed Implementation

[0029] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0030] like Figures 1-3As shown, the shelf light and side panel conductive device provided by this utility model includes two main parts: a side panel assembly and a shelf assembly. The side panel assembly is the fixed side of the system, including a side panel mounting base 1, which can be installed on a wall or column, serving as the basic frame of the entire assembly. A conductive metal strip 2 is provided inside the side panel mounting base 1. The conductive metal strip 2 consists of two parallel metal strips forming the positive and negative terminals of the DC low-voltage power supply. The conductive metal strip 2 is made of gold-plated / tin-plated copper strip or stainless steel spring sheet to ensure good conductivity and durability.

[0031] The front end of the conductive metal strip 2 forms a side plate connector 3. There is a wiping stroke of not less than 0.5 mm between the side plate connector 3 and the shelf connector 8. This wiping contact mechanism causes relative sliding on the connector surface during the shelf insertion process, forming a self-cleaning effect, effectively extending the connector life and ensuring low contact resistance.

[0032] An electromagnetic adsorption component 5 is also provided inside the side panel mounting base 1. The electromagnetic adsorption component 5 includes a coil and a soft magnetic yoke (not shown in the figure), and adopts a C-shaped or cup-shaped soft magnetic yoke structure. This shape can form a closed magnetic circuit and maximize the magnetic flux density. The electromagnetic adsorption component 5 passes through the side panel mounting base 1, and makes the conductive metal strip 2 electrically connected to the electromagnetic adsorption component 5.

[0033] The shelf assembly is the movable part of the system, including the shelf base 7, which can be made of wood, aluminum honeycomb, or composite materials, with a length ranging from 600-1200 mm and a depth of 200-350 mm. The shelf base 7 has a shelf connector 8 at its end, which can have a rounded contact surface and be gold-plated to ensure good conductivity. When the shelf base 7 is pushed into place, the shelf connector 8 abuts against the side panel connector 3, forming an electrical connection.

[0034] Ferromagnetic sides are provided at both ends of the shelf substrate 7. These ferromagnetic sides can be made of Q235 thin steel strips or electroplated steel inserts, with a thickness of 0.6-1.5mm. The ferromagnetic sides are integrated with the shelf substrate 7 using an insert or edge-wrapping structure to ensure coplanarity and clearance with the pole surfaces of the electromagnetic adsorption components 5. The ferromagnetic sides interact with the electromagnetic adsorption components 5 to generate an adsorption force, providing lateral and pull-out fixing forces for the shelf.

[0035] An LED module 10 is mounted on the bottom surface of the substrate 7. The LED module 10 is powered through the contact between the substrate connector 8 and the side panel connector 3. The LED power of each substrate is 4-12W, and the operating current is 0.15-0.5A. The LED module 10 can be used with an aluminum substrate or aluminum strip for heat dissipation to ensure good heat dissipation performance.

[0036] When using the shelf light and side plate conductive device of this utility model, the system first powers on and performs a self-test, and the electromagnetic adsorption component 5 and LED module 10 enter standby mode. Then, the shelf base 7 is pushed into place, and the shelf connector 8 and side plate connector 3 are fully engaged, and the Hall sensor detects a signal. The controller then powers on the electromagnetic adsorption component 5 for 1-2 seconds, generating a strong suction force to fix the shelf, and then switches to PWM hold mode, while the LED module 10 is powered on and illuminated. When the shelf is slid up or down or plugged in or unplugged, the connector disconnects, the LED goes out, and the magnetic attraction fails, achieving quick disassembly.

[0037] This invention achieves convenient operation by connecting the conductive side panel to the shelf connector, allowing for "power on when placed and power off when removed." Electromagnetic adsorption provides support; PWM control effectively reduces energy consumption and heat generation; and multi-point adsorption adapts to application scenarios with varying sizes and load requirements. The entire system features concealed wiring, a clean and aesthetically pleasing appearance, and simple and convenient operation, providing a highly integrated shelf lighting solution.

[0038] This utility model tests the technical effectiveness of the shelf light and the side plate conductive device.

[0039] 1. The test employed a comparative experimental method, comparing the performance of this utility model device with that of a traditional exposed cable / plug-in shelf lighting system. The experimental equipment included: a timer, a digital multimeter (for measuring contact resistance), a temperature sensor, a power analyzer, a force sensor, and a high-precision magnetic field / magnetic flux measuring instrument. A standard 1000mm long display shelf was selected as the sample, configured with an 8W LED module, and the test load was a standard 10kg weight. Each test was repeated 20 times, and the average value was taken to ensure the reliability and stability of the data.

[0040] 2. Technical Effect Comparison Table

[0041]

[0042] 3. Verification Conclusion

[0043] Experimental results show that the shelf light and side plate conductive device of this invention are significantly superior to traditional technologies in all core technical indicators. Firstly, the ease of installation test demonstrates that this invention combines shelf installation and electrical connection into one process, reducing the average installation time from 46 seconds to 22 seconds, a reduction of 52%, greatly improving operational efficiency. In the stability test, the electromagnetic adsorption increases the anti-slip capability from 35N to 75N, an enhancement of 114%, maintaining stability even under a load of 5kg. The energy consumption control effect test verifies the effectiveness of the PWM hold control strategy; compared to traditional continuous power supply, power consumption is reduced by 67%, while the temperature rise of the electromagnetic adsorption component is reduced by approximately 65%, extending its service life.

[0044] Practical application tests show that under high-frequency use of 50 installations / disassemblies per day for 30 consecutive days, the device of this invention maintains stable performance without significant performance degradation, fully demonstrating the superiority and reliability of this technology in practical applications.

Claims

1. A shelf lamp and side plate conductive device, characterized in that, include: The side panel assembly includes a side panel mounting base (1), in which two parallel conductive metal strips (2) are provided to form positive and negative poles for DC low voltage power supply. The front end of the conductive metal strips (2) forms a side panel connector (3). The side panel mounting base (1) is also provided with an electromagnetic adsorption component (5), which passes through the side panel mounting base (1) and is electrically connected to the conductive metal strips (2). The shelf assembly includes a shelf substrate (7), a shelf connector (8) is provided at the end of the shelf substrate (7), the shelf connector (8) abuts against the side plate connector (3) to form an electrical connection, ferromagnetic sides are provided at both ends of the shelf substrate (7), the ferromagnetic sides interact with the electromagnetic adsorption component (5) to generate an adsorption force, and an LED module (10) is provided on the bottom surface of the shelf substrate (7), the LED module (10) is powered through the abutment between the shelf connector (8) and the side plate connector (3).

2. The shelf lamp and side plate conductive device according to claim 1, characterized in that, The side plate connector (3) and the shelf connector (8) have a wiping stroke of not less than 0.5 mm. During the process of pushing the shelf in, the surface of the connector slides relative to each other to form a self-cleaning effect.

3. The shelf lamp and side plate conductive device according to claim 1, characterized in that, The conductive metal strip (2) is made of gold-plated copper strip, tin-plated copper strip or stainless steel spring sheet.

4. The shelf lamp and side plate conductive device according to claim 1, characterized in that, The electromagnetic adsorption component (5) includes a coil and a soft magnetic yoke. The soft magnetic yoke adopts a C-shaped or cup-shaped structure to form a closed magnetic circuit.

5. The shelf lamp and side plate conductive device according to claim 1, characterized in that, The plate joint (8) adopts an arc-shaped contact surface and is gold-plated.

6. The shelf lamp and side plate conductive device according to claim 1, characterized in that, The thickness of the ferromagnetic side is 0.6-1.5mm, and it is integrated with the substrate (7) using an inlay strip or edge-wrapping structure.

7. The shelf lamp and side plate conductive device according to claim 1, characterized in that, The length of the substrate (7) ranges from 600 to 1200 mm, and the depth ranges from 200 to 350 mm.

8. The shelf lamp and side plate conductive device according to claim 1, characterized in that, The LED module (10) has a power of 4-12W and an operating current of 0.15-0.5A, and is used for heat dissipation with an aluminum substrate or aluminum strip.