CN212339035U

CN212339035U - Explosion-proof lamp

Info

Publication number: CN212339035U
Application number: CN202021553547.1U
Authority: CN
Inventors: 黄建锋; 李爱香; 周立勋; 朱雷鑫
Original assignee: Chuangzheng Electric Co ltd
Current assignee: Chuangzheng Electric Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-01-12
Anticipated expiration: 2030-07-31

Abstract

The utility model provides an explosion-proof lamp, include: the light source module comprises a light emitting unit and a base, wherein the light emitting unit comprises a light emitting body and a circuit board, and the light emitting body is fixed on the circuit board; the power module comprises a bracket and a power module, the power module is fixed on the bracket, and the bracket is fixed on the base; the optical unit is arranged in the light emitting direction of the light emitting body and matched with the base; and a mounting module to which the base is detachably secured, the optical unit being detachably secured to the mounting module; the base is provided with a plurality of radiating fins, the radiating fins are uniformly distributed along the circumferential direction of the base, the thickness of the radiating fins is gradually increased in the radial outward direction of the base, the radiating fins are provided with end parts in the axial direction of the base, and the end parts are in contact with the mounting module at the radial outer part of the base.

Description

Explosion-proof lamp

Technical Field

The utility model relates to an explosion-proof lamp.

Background

The types of the current commercial special lamps and special site low-power lighting lamps comprise an explosion-proof eyehole lamp (used for observing a pharmaceutical chemical reaction kettle in a pharmaceutical factory), an explosion-proof equipment alarm signal lamp, an explosion-proof movable working lamp (used for places where special dangerous sites do not have lighting or can not be irradiated by common lighting), a movable signal lamp, a corridor lighting lamp with dangerous gas generation, a lamp for small-range lighting and the like. Generally, due to the requirement of explosion-proof performance, the lamp body is filled with glue to dissipate heat inside the lamp body. Such a luminaire has the following disadvantages: after the glue is filled, the whole weight of the lamp is heavier, if the glue is not filled, the heat dissipation requirement cannot be met, and after the lamp is used for a long time, the performance of electronic elements (particularly the electronic elements of a power supply) is easy to attenuate, so that the service life of the whole lamp is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide an explosion-proof lamp that structural design is reasonable.

The embodiment of the utility model provides a solve the technical scheme that above-mentioned problem adopted and be: an explosion-proof lamp comprising:

the light source module comprises a light emitting unit and a base, wherein the light emitting unit comprises a light emitting body and a circuit board, and the light emitting body is fixed on the circuit board;

the power module comprises a bracket and a power module, the power module is fixed on the bracket, the bracket is fixed on the base, and the power module and the base keep a distance through the bracket;

the optical unit is arranged in the light emitting direction of the light emitting body and matched with the base; and

a mounting module to which the base is detachably secured, the optical unit being detachably secured to the mounting module;

the base is provided with a plurality of radiating fins, the radiating fins are uniformly distributed along the circumferential direction of the base, the thickness of the radiating fins gradually increases in the radial outward direction of the base, the radiating fins are provided with end parts in the axial direction of the base, and the end parts on the radial outer side of the base are in contact with the mounting module, so that the radiating fins and the mounting module form a heat conduction path.

The embodiment of the utility model provides a tip has end face area, the tip contact installation module's area accounts for more than 40% of total end face area at least.

The embodiment of the utility model provides a the fin includes first fin and second fin, the cross sectional area of first fin is greater than the cross sectional area of second fin, be provided with the hole on the first fin.

The embodiment of the utility model provides a base has the concave part on the axial direction of base, the concave part is located power module with between the base.

The embodiment of the utility model provides an installation module includes main part and installation department, the base with the detachable connection of main part.

The embodiment of the utility model provides a base passes through the bolt fastening extremely installation module.

The embodiment of the utility model provides an optical unit includes end cover and printing opacity portion, the end cover outer fringe sets up the external screw thread, the main part inboard sets up the internal thread, the end cover with the main part passes through the external screw thread reaches the detachable connection is realized in the internal screw thread cooperation.

The embodiment of the utility model provides a printing opacity portion through the casting glue with the end cover is realized connecting.

Compared with the prior art, the utility model, have following one or more advantage or effect: the structure is simple, and the design is reasonable; the distance between the power supply module and the base is kept, so that the influence of heat on the base on the power supply module can be avoided; the part of the end part on the radial outer side of the base contacts the installation module, and the part of the end part on the radial outer side of the base has larger area so that the end part and the installation module have larger contact area to facilitate heat dissipation; the groove portion is located between the power supply module and the base, so that the power supply module has a larger linear distance with the base in the axial direction of the base, and mutual influence between heat on the base and heat generated by the power supply module is further avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic sectional structure diagram of an explosion-proof lamp in an embodiment of the present invention.

Fig. 2 is a schematic perspective view of a light source module and a power module.

Fig. 3 is a schematic perspective view of a light source module and a power module.

Fig. 4 is a schematic perspective view of the light output unit of fig. 3 with the light output unit removed.

Fig. 5 is a schematic perspective view of the light output unit.

Fig. 6 is an exploded schematic view of the optical unit.

Fig. 7 is a schematic front view of an explosion-proof lamp in an embodiment.

Fig. 8 is a schematic perspective view of fig. 7.

Fig. 9 is a schematic front view of the explosion-proof lamp in an embodiment.

Fig. 10 is a schematic front view of the explosion-proof lamp in an embodiment.

Fig. 11 is a perspective view of the base.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, and the following examples are illustrative of the present invention, but the present invention is not limited to the following examples.

Example 1.

Referring to fig. 1 to 11, the explosion-proof lamp of the present embodiment includes a light source module 1, a power module 2, an optical unit 3, and a mounting module 5.

The light source module 1 in this embodiment includes a light emitting unit 11 and a base 12, where the light emitting unit 11 includes a light emitting body 111 and a circuit board 112 (i.e., a lamp panel, which may be an aluminum substrate or an FR4 board), the light emitting body 111 is fixed on the circuit board 112, and the circuit board 112 is fixed on the base 12 and forms a heat conducting path with the base 12. When the light-emitting body 111 works, the heat generated by the light-emitting body 111 is conducted to the base 12 through the circuit board, so that the heat is dissipated as soon as possible, and the light-emitting body 111 is prevented from being overheated. The light emitting body 111 in this embodiment may be an LED lamp bead. In some embodiments, the light source module 1 may further include a light output unit 13, the light output unit 13 is fixed on the base 12 and has a lens 131, and the lens 131 corresponds to the light emitter 111. Further, the light emitter 111 is provided in plural, and the number of the lenses 131 is the same as that of the light emitter 111. The lens 131 may be provided to vary the light distribution. For example, the lens 131 is configured to increase the light emitting angle of the light emitter 111.

In this embodiment, the power module 2 includes a bracket 21 and a power module 22, the power module 22 includes an electronic component, the power module 22 is fixed on the bracket 21, the bracket 21 is fixed on the base 12, and the power module 22 and the base 12 maintain a distance (the distance is greater than 5mm) through the bracket 21. Thus, the heat on the base 12 can be prevented from affecting the power module 22. Further, the support 21 has a thermal conductivity lower than that of the base 12. To reduce heat conduction through the support 21. In some embodiments, the base is made of metal, such as iron, aluminum or aluminum alloy, and the support 21 is made of plastic. In some embodiments, the frame 21 may be made of a thermally insulating material, such as plastic.

The optical unit 3 in this embodiment is disposed in the light emitting direction of the light emitter 111 and is matched with the base 12. The optical unit 3 in the present embodiment is configured to have one or more of functions of light condensing, light transmitting, brightness increasing, light diffusing, and reflecting.

In this embodiment, the base 12 is detachably fixed to the installation module 5, and the optical unit 3 is detachably fixed to the installation module 5. With this, can replace installation module 5 according to the product of difference or installation demand to this, can make the major structure (being the combination of light source module 1 and power module 2) realize unifying, only need change installation module 5, can reach the functional diversity of product, the mounting means variety, in order to satisfy the demand in different use places, maintenance cost when reducing the in-service use.

In this embodiment, the mounting module 5 includes a main body 51 and a mounting portion 52, and the base 12 is detachably connected to the main body 51. Specifically, the main body 51 is detachably connected to the base 12 by bolts. For example, holes are provided in the base 12, through which holes bolts are inserted, and are connected to the mounting portions 52. In other embodiments, the main body 51 and the base 12 can be detachably connected by clamping, buckling, etc. in the prior art.

In this embodiment, the installation portion 52 may further include a cable leading unit, a buzzer module, a touch switch module, and the like in the prior art.

As shown in fig. 7 and 8, in an embodiment, the main body 51 extends along a first axis X, and the mounting portion 52 extends along a second axis Y, and the first axis X and the second axis Y form an included angle, which may be an obtuse angle, for example, the included angle ranges from 100 degrees to 160 degrees. The mounting portion 52 has an end surface, and a mounting hole 521 is provided on the end surface, and the mounting hole 521 is used for passing a bolt, through which the explosion-proof lamp can be mounted to the wall. The axial direction of the mounting hole 521 in this embodiment is parallel to the second axis Y, and the explosion-proof lamp in this embodiment is a wall-mounted lamp.

In one embodiment, as shown in fig. 9, the main body 51 is coaxially disposed with the mounting portion 52, and the mounting portion 52 has an end surface with a mounting hole 521 disposed thereon. The axial direction of the mounting hole 521 is arranged parallel to the axial direction of the mounting portion 52. The mounting hole 521 is used for passing a bolt through which the explosion-proof lamp can be mounted to a wall or a ceiling or other plane.

As shown in fig. 10, in an embodiment, the main body 51 is coaxially disposed with the mounting portion 52, and the mounting portion 52 is provided with a mounting hole 521, wherein the mounting hole 521 extends in a radial direction of the mounting portion 52. The mounting hole 521 is used for inserting a bolt. The explosion-proof lamp in this embodiment may be mounted to a bracket. The bolt is inserted through the bracket and then is matched with the mounting hole 521.

In this embodiment, the base 12 has a plurality of fins 121, and the fins 121 are uniformly arranged along the circumferential direction of the base 12. The heat sink 121 includes a first heat sink 1211 and a second heat sink 1212, and the first heat sink 1211 has a cross-sectional area larger than that of the second heat sink 1212. The holes on the base 12 are disposed on the first heat sink 1211 to complete the fixing.

The embodiment of the present invention provides that the heat sink 121 has an end 122 in the axial direction of the base 12, and at least a portion of the end 122 contacts the mounting module 5, so that the heat sink 121 and the mounting module 5 form a heat conducting path. In this embodiment, the end portion 122 has an end surface area, and the end surface area of the end portion 122 contacting the mounting module 5 occupies at least 40% of the total end surface area, so as to conduct heat to the mounting module 5 more quickly. Further, a portion of the end portion 122 on the outer side in the radial direction of the base 12 contacts the mount module 5.

In this embodiment, the thickness of the heat sink 121 gradually increases in a direction radially outward of the base 12, so that the heat sink 121 has a larger thickness on the outer side of the base 12, and therefore, the portion of the end portion 122 on the radially outer side of the base 12 has a larger area, so that the portion has a larger contact area with the mounting module 5 to facilitate heat dissipation. That is to say that the position of the first electrode,

the base 12 in this embodiment has a groove portion 123, and the groove portion 123 is located between the power module 22 and the base 12 in the axial direction of the base 12. Therefore, the power module 22 has a larger linear distance from the susceptor 12 in the axial direction of the susceptor 12, and further prevents the heat on the susceptor 12 from interacting with the heat generated by the power module 22.

In this embodiment, the optical unit 3 includes an end cap 31 and a light transmission portion 32, an outer edge of the end cap 31 is provided with an external thread, an inner side of the main body 51 is provided with an internal thread, and the end cap 31 and the main body 51 are detachably connected by matching the external thread and the internal thread.

In this embodiment, the light-transmitting portion 32 is connected to the end cap 31 through a potting adhesive. The light-transmitting portion 32 in this embodiment may be made of tempered glass, so as to perform an explosion-proof function.

The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. An explosion-proof lamp, characterized by comprising:

2. The explosion-proof lamp of claim 1, wherein: the end portion has an end surface area, and an area of the end portion contacting the mounting module occupies at least 40% or more of the total end surface area.

3. The explosion-proof lamp according to claim 1 or 2, wherein: the radiating fins comprise a first radiating fin and a second radiating fin, the cross-sectional area of the first radiating fin is larger than that of the second radiating fin, and holes are formed in the first radiating fin.

4. The explosion-proof lamp according to claim 1 or 2, wherein: the base is provided with a groove portion, and the groove portion is located between the power supply module and the base in the axial direction of the base.

5. The explosion-proof lamp of claim 1, wherein: the installation module comprises a main body part and an installation part, and the base is detachably connected with the main body part.

6. The explosion-proof lamp of claim 1, wherein: the base is fixed to the mounting module by bolts.

7. The explosion-proof lamp of claim 5, wherein: the optical unit comprises an end cover and a light transmission part, wherein an external thread is arranged on the outer edge of the end cover, an internal thread is arranged on the inner side of the main body part, and the end cover and the main body part are detachably connected through the matching of the external thread and the internal thread.

8. The explosion-proof lamp of claim 7, wherein: the light transmission part is connected with the end cover through pouring sealant.