A down lamp with negative ion purification function

Abstract

The utility model discloses a cylinder lamp with negative ion purification function, include: the light reflection isolation cup, be equipped with LED lamp and circuit board, the front cover is linked with the light reflection isolation cup, and the front cover top is provided with static electricity elimination spare, and the static electricity elimination spare is conductive material, and the static electricity elimination spare is connected with first ground wire, the negative ion release ware, from the light reflection isolation cup to the front cover extension, the rear casing is linked with the light reflection isolation cup, and is equipped with two control cavities, and one of them places power controller, and the other places negative ion generator, the negative ion generator includes second ground wire, and second ground wire and first ground wire gather and form total ground wire. The light reflection isolation cup and front cover are threadedly connected, and the light reflection isolation cup and front cover are ceramic materials. The circuit board is ceramic circuit board. Adopt ceramic material, can prevent static electricity diffusion to internal circuit. The static electricity elimination spare ground can collect high voltage static electricity of high -power negative ion equipment.

Description

Technical Field

[0001] This utility model relates to the field of downlight structure, specifically a downlight with negative ion purification function. Background Technology

[0002] Currently, some lighting products on the market include negative ion modules for air purification or sterilization. Existing products are mainly low-power negative ion generators, with a power output not exceeding 1W and a negative corona voltage not exceeding 6000V, only achieving a localized purification effect. To achieve whole-house purification, the negative ion output corona voltage needs to be between 10000-25000V, with a power output typically between 3-8W. Higher negative ion output corona voltage generates greater high-voltage static electricity, which can cause metal components to discharge to each other, damaging conductors and causing blackening of walls around the lighting equipment. Therefore, proper design is necessary to manage static electricity. Utility Model Content

[0003] The purpose of this invention is to provide a downlight with negative ion purification function to solve the problem of static electricity affecting the use of existing negative ion lamps.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a downlight with negative ion purification function, comprising: Reflective shielding cup, with built-in LED lights and circuit board; The front cover is connected to the reflective isolation cup. An electrostatic eliminator, made of conductive material, is located on the top of the front cover and connected to a first grounding wire. The electrostatic eliminator is installed by adhesive bonding or metallization welding. A groove can be provided on the front cover to house the electrostatic eliminator. The electrostatic eliminator can be made of metal or other conductive materials, and its thickness and shape can be customized according to requirements.

[0005] The negative ion emitter extends from the reflective shielding cup towards the front cover; The rear housing is connected to the reflective isolation cup and has two control chambers inside. One chamber houses the power controller, and the other houses the negative ion generator. The negative ion generator includes a second grounding wire, which is connected to the first grounding wire to form a total grounding wire. The reflective shielding cup, front cover, and rear shell are all made of non-metallic materials. These non-metallic materials are typically plastics or ceramics. Materials with good shielding properties, such as ceramics (alumina, zirconium oxide, magnesium oxide, etc.), are usually selected.

[0006] As a further improvement to the above technical solution: The reflective shielding cup and the front cover are threaded together, and both the reflective shielding cup and the front cover are made of ceramic material.

[0007] The circuit board is a ceramic circuit board.

[0008] The control cavity is equipped with a completely covered glue layer to encapsulate the negative ion generator and the power controller.

[0009] The negative ion emitter includes a discharge tip and a concentrator cup. The discharge tip is located at the center of the concentrator cup and is made of metal, graphene, or fullerene. The concentrator cup is used to suppress the diffusion of static electricity to the sides, preventing damage to conductive components in the device. A grid is provided on the top surface of the concentrator cup, and the discharge tip does not protrude from the top surface of the grid. The concentrator cup can be made of plastic or ceramic; its light transmittance should be considered, and plastic is typically chosen.

[0010] A light guide plate is provided between the reflective isolation cup and the front cover, and the concentration cup is disposed on the light guide plate.

[0011] The concentrator cup and the light guide plate are integrally formed.

[0012] The top edge of the front cover is angled outwards.

[0013] The projected shape of the static eliminator is polygonal or circular.

[0014] The cross-sectional shape of the static eliminator is one of the following: circular, square, or trapezoidal.

[0015] Compared with the prior art, the beneficial effects of this utility model are: The air purification and electrostatic protection work synergistically for a longer-lasting and safer purification effect. By integrating the negative ion purification system and the electrostatic elimination system into the same downlight, a perfect combination of purification and electrostatic collection is achieved.

[0016] The conductive material electrostatic eliminator installed on the top of the front cover is effectively grounded through the first grounding wire. On the one hand, it can collect dust, and on the other hand, it can collect the high voltage static electricity generated by the high-power negative ion device. The ceramic material is used to protect the conductor and prevent static electricity from spreading to the internal circuit and affecting the service life of the device.

[0017] The use of a pulsed negative ion generator and intermittent discharge can reduce static electricity generation and facilitate static electricity collection.

[0018] Compared to traditional plastics or metals, ceramics possess superior heat resistance, excellent insulation, good hardness and wear resistance, and stable chemical properties. Unlike metals, they do not pose a risk of electrical conductivity. This allows the optical and physical properties of lighting fixtures to remain highly stable over long-term use, significantly extending the overall lifespan of the product. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the flat-panel downlight of this utility model; Figure 2 This is a schematic diagram of the internal structure of the flat-panel downlight of this utility model; Figure 3 This is a schematic diagram of the horn-shaped faceplate downlight structure of this utility model; Figure 4 This is a schematic diagram of the exploded structure of the horn-shaped face mask downlight of this utility model; Figure 5 This is a top view of the front cover structure of this utility model; Figure 6 This is a schematic diagram of the internal structure of the horn-shaped downlight of this utility model; Figure 7 This is a schematic diagram of the downlight structure of the present invention, which integrates the light cup and the light guide plate. Figure 8 This is a schematic diagram of the internal structure of the downlight that integrates the central cup and the light guide plate.

[0020] Reference numerals: 1. Reflective isolation cup; 11. LED light; 12. Circuit board; 2. Front cover; 3. Static eliminator; 4. Negative ion generator; 41. Discharge needle tip; 42. Concentrating cup; 43. Grille; 5. Rear shell; 6. Power controller; 7. Negative ion generator; 8. Light guide plate. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicating orientation or position, are based on the orientation or positional relationships shown in the accompanying drawings. They are used 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example 1 like Figure 1 and Figure 2 As shown, the downlight with negative ion purification function in this embodiment includes: Reflective isolation cup 1, with LED light 11 and circuit board 12 inside; The front cover 2 is connected to the reflective isolation cup 1. A static eliminator 3 is installed on the top of the front cover 2. The static eliminator 3 is made of conductive material and is connected to a first grounding wire. The projected shape of the static eliminator 3 is polygonal or circular. The cross-sectional shape of the static eliminator 3 is one of circular, square, or trapezoidal.

[0026] The negative ion emitter 4 extends from the reflective isolation cup 1 to the front cover 2; the selection of the negative ion emitter 4 is a conventional technology in the field. Since this embodiment uses ceramic material, a higher power negative ion generator can be used compared with the prior art (traditional negative ion downlights will break down due to high voltage static electricity, affecting the use of the equipment).

[0027] The rear housing 5 is connected to the reflective isolation cup 1 and has two control cavities inside. One cavity houses the power controller 6, and the other houses the negative ion generator 7. The negative ion generator 7 includes a second grounding wire, which is connected to the first grounding wire to form a total grounding wire. The grounding wire is not shown in the diagram. In reality, a wire is installed on the static elimination component 3 (copper sheet is used here) as a grounding wire, which is connected to the grounding wire of the negative ion generator 7 and the grounding wire of the light source to be grounded together.

[0028] Both the reflective shielding cup 1 and the front cover 2 are made of 95% alumina ceramic. The rear housing 5 is made of plastic. The reflective shielding cup 1 and the front cover 2 are connected by threads. To ensure electrostatic shielding, the circuit board 12 also uses a ceramic circuit board. A completely covered potting layer (resin glue) is provided inside the control cavity to wrap the negative ion generator 7 and the power controller 6. The use of ceramic material not only has excellent high-temperature resistance and insulation properties, but also has a certain shielding effect, which can effectively isolate the internal circuit from electromagnetic interference from the external environment. Combined with the use of the ceramic circuit board, the completely covered potting layer inside the control cavity of the rear housing 5 completely wraps the negative ion generator 7 and the power controller 6, which can effectively prevent high-voltage electrostatic breakdown and extend the service life of the equipment.

[0029] Example 2 like Figures 3 to 6 As shown, unlike Embodiment 1, the negative ion emitter 4 in this embodiment includes a discharge needle tip 41 and a concentrator cup 42. The discharge needle tip 41 is located at the center of the concentrator cup 42, and a grid 43 is provided on the top surface of the concentrator cup 42. The discharge needle tip 41 does not protrude from the top surface of the grid 43. The spacing of the grids 43 should be less than 1.1 cm to prevent accidental contact with the discharge needle tip.

[0030] A light guide plate 8 is provided between the reflective isolation cup 1 and the front cover 2, and the concentrating cup 42 is set on the light guide plate 8 by adhesive or snap-fit. After the light passes through the light guide plate 8, it can be scattered more evenly and softly, effectively avoiding the glare problem common in traditional downlights and improving lighting comfort.

[0031] The top edge of the front cover 2 is angled outwards. This design reduces the distribution of dust generated by electrostatic adsorption to the wall, allowing most of the dust to be collected inside the front cover 2.

[0032] Example 3 like Figure 7 and Figure 8 As shown, unlike Embodiment 2, in this embodiment, the concentrating cup 42 and the light guide plate 8 are integrally formed. This integrally formed structure reduces the number of parts, facilitates assembly, and improves production efficiency.

[0033] It should be noted that in some embodiments, the negative ion generator uses pulse switch control. Simply put, a pulse switch operates intermittently, avoiding the drawbacks of continuous high voltage and reducing static electricity generation at the source, thus inhibiting static buildup. The intermittent time is typically 30-60 minutes on and 0.5-1 minute off.

[0034] The main body of this utility model is made of ceramic material, which can effectively prevent high voltage static electricity from damaging the internal conductive components. Static electricity elimination components are set around the discharge to ground the high voltage static electricity and collect it, effectively avoiding damage to the equipment caused by high voltage static electricity.

[0035] The above description is merely an embodiment of this utility model, and common knowledge regarding specific structures and characteristics of the solutions is not described in detail here. For those skilled in the art, this utility model is obviously not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this utility model is defined by the appended claims rather than the foregoing description. Therefore, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A downlight with negative ion purification function, characterized in that, include: A reflective isolation cup (1) is equipped with an LED light (11) and a circuit board (12). The front cover (2) is connected to the reflective isolation cup (1). The top of the front cover (2) is provided with an electrostatic eliminator (3). The electrostatic eliminator (3) is made of conductive material and is connected to a first grounding wire. The negative ion emitter (4) extends from the reflective isolation cup (1) toward the front cover (2); The rear housing (5) is connected to the reflective isolation cup (1) and has two control chambers inside. One chamber holds the power controller (6) and the other holds the negative ion generator (7). The negative ion generator (7) includes a second grounding wire, which is connected to the first grounding wire to form a total grounding wire. The reflective shielding cup (1), the front cover (2) and the rear shell (5) are all made of non-metallic materials.

2. The downlight with negative ion purification function according to claim 1, characterized in that: The reflective isolation cup (1) and the front cover (2) are threaded together, and the reflective isolation cup (1) and the front cover (2) are made of ceramic material.

3. The downlight with negative ion purification function according to claim 1, characterized in that: The circuit board (12) is a ceramic circuit board.

4. The downlight with negative ion purification function according to claim 1, characterized in that: The control cavity is provided with a completely covered potting layer for wrapping the negative ion generator (7) and the power controller (6).

5. The downlight with negative ion purification function according to any one of claims 1 to 4, characterized in that: The negative ion emitter (4) includes a discharge needle tip (41) and a concentration cup (42). The discharge needle tip (41) is located at the center of the concentration cup (42). A grid (43) is provided on the top surface of the concentration cup (42). The discharge needle tip (41) does not protrude from the top surface of the grid (43).

6. The downlight with negative ion purification function according to claim 5, characterized in that: A light guide plate (8) is provided between the reflective isolation cup (1) and the front cover (2), and the concentration cup (42) is provided on the light guide plate (8).

7. The downlight with negative ion purification function according to claim 6, characterized in that: The concentrator cup (42) and the light guide plate (8) are integrally formed.

8. The downlight with negative ion purification function according to claim 6 or 7, characterized in that: The top edge of the front cover (2) is inclined outward.

9. The downlight with negative ion purification function according to claim 8, characterized in that: The projected shape of the static eliminator (3) is polygonal or circular.

10. The downlight with negative ion purification function according to claim 9, characterized in that: The static eliminator (3) has a cross-sectional shape that is either circular, square, or trapezoidal.

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