Lamp and bath heater with same

Abstract

The utility model relates to the technical field of household equipment, in particular to a lamp and a bath heater with the same. The lamp comprises a heat dissipation substrate, the heat dissipation substrate comprises a plurality of light reflection units, inner grooves are formed in the light reflection units, and the concave faces of the inner grooves are light reflection faces; and the light-emitting lamp bead is mounted at the bottom of the inner groove. The heat dissipation substrate is provided with the multiple light reflection units, each light reflection unit is provided with the inner groove, and the light-emitting lamp beads are installed in the inner grooves. The light-emitting lamp bead is installed at the low concave position of the inner groove, and the light-emitting lamp bead achieves illumination through self light emitting and light reflection of the light-emitting face in the working process of the light-emitting lamp bead. When the lamp dissipates heat, the whole back face of the groove in the heat dissipation substrate can be used for heat dissipation. The heat dissipation area of the back face of the heat dissipation base is greatly increased through the inner grooves, the heat dissipation efficiency of the light-emitting lamp beads during working is improved, and the problem that the heat dissipation area of an aluminum substrate is limited, and heat dissipation of the high-power lamp beads is affected is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of household equipment, in particular to a lamp and a bathroom heater having the same. Background Art

[0002] LED lamps are widely used in various lighting equipment due to their advantages of high efficiency, energy saving, and environmental protection, such as bathroom heaters or related products that require lighting. However, LED lamps generate a lot of heat during operation. If this heat cannot be dissipated in time, it will seriously affect the service life and luminous efficiency of the LED lamp. Therefore, the heat dissipation problem of LED lamps is an important research direction. At present, most LED lamps use aluminum substrates as heat dissipation materials. Aluminum substrates have good thermal conductivity and can effectively dissipate the heat generated by LED lamps.

[0003] In the existing technology, LED lamp beads are usually placed on an aluminum substrate, which plays a supporting and heat dissipating role. In order to improve the heat dissipation effect, some solutions have proposed designs such as adding heat dissipation fins or heat dissipation slots on the aluminum substrate or attaching a heat sink to the back of the aluminum substrate to increase the heat dissipation effect. However, the heat dissipation area of ​​the aluminum substrate is limited, and the heat dissipation effect is not good for high-power lamp beads. Utility Model Content

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defect that the aluminum substrate used for heat dissipation in the LED lamp in the prior art has poor heat dissipation effect on high-power lamp beads, thereby providing a lamp and a bathroom heater having the same.

[0005] In order to solve the above technical problems, the utility model provides a lamp, comprising:

[0006] A heat dissipation substrate, comprising a plurality of reflective units, wherein the reflective units are provided with inner grooves, and the concave surface of the inner grooves is a reflective surface;

[0007] The light-emitting lamp bead is installed at the bottom of the inner groove.

[0008] Optionally, the reflective unit includes a straight plate mounting portion and a pair of side panel reflective portions, the pair of side panel reflective portions are symmetrically arranged on both sides of the straight plate mounting portion, the straight plate mounting portion and the pair of side panel reflective portions surround the inner groove, and the luminous lamp beads are installed on the straight plate mounting portion.

[0009] Optionally, the side panel reflective portion is an arc-shaped surface, and an angle between an end of the side panel reflective portion away from the straight plate mounting portion and the straight plate mounting portion is not less than 90°.

[0010] Optionally, the reflective unit is in the shape of an elongated strip, and a plurality of the light-emitting lamp beads are installed at intervals on one reflective unit.

[0011] Optionally, the heat dissipation substrate is an integrally formed structure.

[0012] The utility model also provides a bathroom heater, which has the lamp described in the utility model.

[0013] Optionally, a mounting shell is included, a lampshade is arranged on one side of the mounting shell, the heat dissipation substrate of the lamp is installed in the mounting shell, and the light-emitting lamp beads are arranged toward the lampshade.

[0014] Optionally, a heat dissipation channel is provided in the mounting shell, and the heat dissipation channel is provided on a side of the heat dissipation substrate away from the light-emitting lamp beads.

[0015] Optionally, an air inlet is provided at one end of the heat dissipation channel, and an air outlet is provided at the other end, and an exhaust fan is installed at the air outlet.

[0016] Optionally, a heat dissipation plate is installed on a side of the heat dissipation substrate facing the heat dissipation channel, and heat dissipation fins are arranged on the heat dissipation plate.

[0017] The technical solution of this utility model has the following advantages:

[0018] 1. The lamp provided by the utility model includes: a heat dissipation substrate, which includes a plurality of reflective units, the reflective units are provided with inner grooves, and the concave surface of the inner grooves is a reflective surface; and light-emitting lamp beads are installed at the bottom of the inner grooves.

[0019] The heat dissipation substrate is provided with a plurality of reflective units, an inner groove is provided on each reflective unit, and the light-emitting lamp beads are installed in the inner groove. By installing the light-emitting lamp beads in the low recess of the inner groove, the light-emitting lamp beads realize illumination by emitting light by themselves and reflecting light from the light-emitting surface when working. When the lamp dissipates heat, the entire back surface of the inner groove of the heat dissipation substrate can be used for heat dissipation. The inner groove greatly increases the heat dissipation area of ​​the back of the heat dissipation substrate, increases the heat dissipation efficiency of the light-emitting lamp beads when working, and solves the problem that the heat dissipation area of ​​the aluminum substrate is limited, which affects the heat dissipation of high-power lamp beads.

[0020] 2. The lamp provided by the utility model comprises a reflective unit including a straight plate mounting portion and a pair of side plate reflective portions, the pair of side plate reflective portions are symmetrically arranged on both sides of the straight plate mounting portion, the straight plate mounting portion and the pair of side plate reflective portions are surrounded to form an inner groove, and the light-emitting lamp beads are installed in the straight plate mounting portion. The pair of side plate reflective portions are used to form two-side shielding, forming a unique heat dissipation design, which not only improves the heat dissipation efficiency of the lamp beads, but also improves the light output efficiency of the lamp beads.

[0021] 3. The lamp provided by the utility model has a side plate reflective portion which is an arc surface, and the angle between the end of the side plate reflective portion away from the straight plate mounting portion and the straight plate mounting portion is not less than 90°. The arc surface is used as a reflective surface to block both sides of one side of the light-emitting lamp bead, forming a light cup focusing effect, which can improve the light output efficiency of the lamp bead, reduce additional processing steps, and reduce production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic diagram of the structure of a lamp provided in an embodiment of the utility model.

[0024] Figure 2 It is a schematic structural diagram of a reflective unit provided in an embodiment of the utility model.

[0025] Figure 3 It is a schematic structural diagram of a heat dissipation substrate provided in an embodiment of the utility model.

[0026] Figure 4 It is a schematic diagram of the structure of the bathroom heater provided in the embodiment of the utility model.

[0027] Figure 5 It is a side sectional view of the bathroom heater provided in the embodiment of the utility model.

[0028] Explanation of the reference numerals: 1. heat dissipation substrate; 2. luminous lamp beads; 3. straight plate mounting portion; 4. side panel reflective portion; 5. mounting shell; 6. lampshade; 7. heat dissipation channel; 8. air inlet; 9. air outlet; 10. exhaust fan; 11. heat dissipation plate. DETAILED DESCRIPTION

[0029] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0033] Example 1

[0034] Figures 1 to 3 The figure shows a lamp provided in this embodiment, which includes a heat dissipation substrate 1 and a light-emitting lamp bead 2.

[0035] The heat dissipation substrate 1 includes a plurality of reflective units, and an inner groove is provided on the reflective unit, and the concave surface of the inner groove is a reflective surface. The light-emitting lamp beads 2 are installed at the bottom of the inner groove. In this embodiment, the heat dissipation substrate 1 is an aluminum substrate.

[0036] The reflective unit includes a straight plate mounting portion 3 and a pair of side plate reflective portions 4, the pair of side plate reflective portions 4 are symmetrically arranged on both sides of the straight plate mounting portion 3, the straight plate mounting portion 3 and the pair of side plate reflective portions 4 are surrounded to form an inner groove, and the light-emitting lamp beads 2 are installed on the straight plate mounting portion 3. The side plate reflective portion 4 is an arc-shaped surface, and the angle between the end of the side plate reflective portion 4 away from the straight plate mounting portion 3 and the straight plate mounting portion 3 is not less than 90°.

[0037] In this embodiment, the heat dissipation substrate 1 is an integrated structure. The reflective unit is in the shape of a long strip, and multiple reflective units constitute a W-shaped heat dissipation substrate 1. Multiple light-emitting lamp beads 2 are installed in the inner groove of the upper long strip of a reflective unit. When making the heat dissipation substrate 1, a piece of aluminum alloy plate with a length of 50mm, a width of 20mm, and a thickness of 1mm is prepared, and it is cut and bent to form multiple W-shapes, the depth of the W-shape is 2mm, and the top width is 10mm. The design of this size can ensure that the lamp beads can be located in the low concave part of the inner groove of the W-shaped aluminum substrate, and at the same time have a larger heat dissipation area on the same projection area. The concave surface of the inner groove is a reflective surface. In this embodiment, reflective materials such as mirror aluminum foil are coated on both sides of the inner groove as a reflective surface to form a light cup focusing effect. The light-emitting lamp beads 2 in this embodiment are LED lamp beads, and the LED lamp beads are fixed in the low concave part of the W-shaped aluminum substrate. The number of lamp beads can be adjusted according to actual needs, and the spacing between each lamp bead is 5mm. The aluminum alloy heat dissipation substrate 1 with the reflective lamp beads fixed thereon is installed in the housing of the lamp. The design of the housing should take into account the shape and shielding design of the aluminum substrate so as to fully utilize the heat dissipation and reflection capabilities of the aluminum substrate.

[0038] The heat dissipation substrate 1 is provided with a plurality of reflective units, an inner groove is provided on each reflective unit, and the light-emitting lamp bead 2 is installed in the inner groove. By installing the light-emitting lamp bead 2 in the concave part of the inner groove, the light-emitting lamp bead 2 realizes illumination by emitting light by itself and reflecting light from the light-emitting surface when working. When the lamp is dissipating heat, the entire back surface of the inner groove of the heat dissipation substrate 1 can be used for heat dissipation. The inner groove greatly increases the heat dissipation area of ​​the back surface of the heat dissipation substrate, increases the heat dissipation efficiency of the light-emitting lamp bead 2 when working, and solves the problem that the heat dissipation area of ​​the aluminum substrate is limited, which affects the heat dissipation of high-power lamp beads. The lamp provided in this embodiment improves the shape of the heat dissipation substrate 1 below the light-emitting lamp bead 2 to make it W-shaped, thereby increasing the heat dissipation area. Compared with the existing flat aluminum substrate, the W-shaped substrate heat dissipation has a larger heat dissipation area on the same projection area, can dissipate heat more effectively, especially for high-power lamp beads, its heat dissipation effect is significantly better than the prior art. The light-emitting lamp bead 2 is installed in the inner groove, and the inner grooves on both sides of the light-emitting lamp bead 2 are coated with reflective material to form a reflective surface to form a light cup focusing effect, thereby improving the light output efficiency of the lamp bead. When forming the W-shaped heat dissipation substrate 1, no additional processing steps are required, so the production cost will not be increased. Compared with the existing heat dissipation design of adding heat dissipation fins or heat dissipation slots, the cost is lower. Through the effective heat dissipation design, the heat of the LED lamp beads can be dissipated in time, avoiding the damage of heat accumulation to the LED lamp beads, thereby increasing the service life of the light-emitting lamp beads 2.

[0039] Example 2

[0040] Figure 4 and Figure 5The figure shows a bathroom heater provided in this embodiment, in which the lamp described in the embodiment 1 is installed in the installation shell 5 of the bathroom heater.

[0041] A lampshade 6 is arranged on one side of the mounting shell 5, and the heat dissipation substrate 1 of the lamp is mounted in the mounting shell 5, with the light-emitting lamp beads 2 arranged toward the lampshade 6. A heat dissipation channel 7 is arranged in the mounting shell 5, and the heat dissipation channel 7 is arranged on the side of the heat dissipation substrate 1 away from the light-emitting lamp beads 2. An air inlet 8 is arranged at one end of the heat dissipation channel 7, and an air outlet 9 is arranged at the other end, and an exhaust fan 10 is installed at the air outlet 9. A heat dissipation plate 11 is installed on the side of the heat dissipation substrate 1 facing the heat dissipation channel 7, and heat dissipation fins are arranged on the heat dissipation plate 11. By installing the lamp provided in Example 1 in the bathroom heater, the heat dissipation capacity of the light-emitting lamp beads 2 during operation is improved through the W-shaped heat dissipation substrate 1, so that higher-power light-emitting lamp beads 2 can be used in the bathroom heater, the lamp heating temperature of the bathroom heater is improved, and the comfort of the user during use is improved.

[0042] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. A lamp, characterized in that: include: A heat dissipation substrate (1), comprising a plurality of reflective units, wherein the reflective units are provided with inner grooves, and the concave surfaces of the inner grooves are reflective surfaces; A light-emitting lamp bead (2) is installed at the bottom of the inner groove.

2. The lamp according to claim 1, characterized in that: The reflective unit comprises a straight plate mounting portion (3) and a pair of side plate reflective portions (4), wherein the pair of side plate reflective portions (4) are symmetrically arranged on both sides of the straight plate mounting portion (3), the straight plate mounting portion (3) and the pair of side plate reflective portions (4) are surrounded to form the inner groove, and the light-emitting lamp bead (2) is mounted on the straight plate mounting portion (3).

3. The lamp according to claim 2, characterized in that: The side panel reflective portion (4) is an arc-shaped surface, and the angle between the end of the side panel reflective portion (4) away from the straight panel mounting portion (3) and the straight panel mounting portion (3) is not less than 90°.

4. The lamp according to any one of claims 1 to 3, characterized in that: The reflective unit is in the shape of an elongated strip, and a plurality of the light-emitting lamp beads (2) are installed on one reflective unit at intervals.

5. The lamp according to any one of claims 1 to 3, characterized in that: The heat dissipation substrate (1) is an integrally formed structure.

6. A bathroom heater, characterized in that: A lamp according to any one of claims 1 to 5.

7. The bathroom heater according to claim 6, characterized in that: The invention comprises a mounting shell (5), a lampshade (6) is arranged on one side of the mounting shell (5), a heat dissipation substrate (1) of the lamp is mounted in the mounting shell (5), and a light-emitting lamp bead (2) is arranged toward the lampshade (6).

8. The bathroom heater according to claim 7, characterized in that: A heat dissipation channel (7) is provided in the installation shell (5), and the heat dissipation channel (7) is provided on a side of the heat dissipation substrate (1) away from the light-emitting lamp bead (2).

9. The bathroom heater according to claim 8, characterized in that: The heat dissipation channel (7) is provided with an air inlet (8) at one end and an air outlet (9) at the other end, and an exhaust fan (10) is installed at the air outlet (9).

10. The bathroom heater according to claim 8 or 9, characterized in that: A heat dissipation plate (11) is installed on one side of the heat dissipation substrate (1) facing the heat dissipation channel (7), and heat dissipation fins are arranged on the heat dissipation plate (11).

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