TWI414721B - Lamp - Google Patents

Abstract

The invention relates to a lamp, which comprises a case, a heat radiation module and a luminescence module, wherein the case is provided with an air inlet part and an air outlet part, in addition, the outer periphery wall of the case is additionally provided with a flow guide passage, the heat radiation module is arranged inside the case, in addition, the heat radiation module is provided with a heat radiation fan, the luminescence module is arranged inside the case, and the heat radiation fan introduces air flows through the flow guide passage of the case into the inside of the case via the air inlet part for realizing the heat radiation on the luminescence module. Therefore, the integral heat radiation effect can be effectively improved, and the lamp can be ensured to work normally.

Description

Lamp

The present invention relates to a luminaire, and more particularly to a luminaire capable of smoothly introducing a gas stream for heat dissipation.

The conventional lamp mainly has a light-emitting module, and the light-emitting module can project a light by a light-emitting component (such as a light bulb) to achieve the purpose of illumination. However, when the illuminating element generates high heat due to energization, if the conventional illuminating device does not have good heat dissipating measures, it may cause the conventional illuminating device to malfunction and reduce its service life. Therefore, the conventional lamp can also be provided with components such as a heat dissipating fin or a cooling fan to prevent the lighting module from being damaged by high heat during actual operation.

For example, as shown in FIG. 1 , a conventional lamp 9 having a heat dissipating fin and a cooling fan is disclosed. The lamp 9 includes a casing 91 , a lighting module 92 , a heat sink fin 93 and a Cooling fan 94. The housing 91 is a hollow housing that is permeable to light; the lighting module 92 is coupled to the interior of the housing 91 to provide a function of illumination; the heat dissipation fin 93 is coupled to the illumination module 92 to absorb the illumination module. The heat generated by the group 92 is combined with the heat dissipation fins 93 for introducing external airflow into the outer casing 91 and passing through the heat dissipation fins 93, so that the heat dissipation fins 93 can be quickly heated with the airflow. The switching action is to reduce the temperature of the lighting module 92.

It is known from the above-mentioned structural features of the conventional lamp 9 that the light-emitting module 92 of the conventional lamp 9 must be able to operate normally for a long time, and must rely on the heat dissipation performance of the heat-dissipating fan 94 and the heat-dissipating fin 93; therefore, the heat dissipation Whether the heat dissipation effect of the fan 94 and the heat dissipation fins 93 can be improved depends on whether the heat dissipation fan 94 can smoothly introduce external airflow into the outer casing 91 as a main principle.

However, the conventional lamp 9 may be installed in a predetermined position in conjunction with a user's needs, or embedded in a mounting hole of a ceiling of a light steel frame or a decorative partition. However, when the luminaire 9 is mounted on the inner side of the outer cover or is embedded in the inner side of the mounting hole, it is difficult to adjust the proper spacing between the outer casing 91 of the luminaire 9 and the outer cover or the mounting hole, that is, the outer casing 91 and the outer cover or the mounting hole. The spacing between the walls of the holes may be too small, so that the airflow introduced by the cooling fan 94 is not easily passed between the outer casing 91 of the lamp 9 and the wall of the outer casing or the mounting hole; in addition, the outer peripheral surface of the outer casing 91 is There is no structural design that can be used to guide the airflow or increase the airflow. Therefore, the heat dissipation fan 94 may not be able to smoothly introduce the external airflow into the outer casing 91, so that the cooling fan 94 and the heat dissipation fin 93 can provide The heat dissipation effect is reduced, and the light-emitting module 92 is easily damaged by overheating, so that the service life of the conventional lamp 9 cannot be improved.

The main object of the present invention is to provide a lamp, which can smoothly introduce external airflow into the interior of the lamp after installation and use, thereby improving the overall heat dissipation effect and ensuring that the lamp can operate normally.

The lamp according to the present invention comprises a casing, a heat dissipation module and a lighting module. The heat dissipation module is disposed inside the outer casing, and the heat dissipation module has a heat dissipation fan; The light-emitting module is disposed inside the outer casing; wherein the heat-dissipating fan introduces airflow through the air inlet portion to the inner portion of the outer casing through the air guiding passage of the outer casing for dissipating heat from the light-emitting module. In this way, it can achieve many functions such as providing heat dissipation and ensuring that the lamp can operate normally.

The flow guiding channel is located between the air inlet portion and the air outlet portion. Thereby, the ventilating portion and the ventilating portion are effectively prevented from being turbulent due to excessive approach, and the flow of the airflow is ensured to be smooth, so as to improve the effect of the diversion.

The flow guiding channel has a first end and a second end. The first end is connected to the air inlet portion of the outer casing, and the second end is away from the air inlet portion. Thereby, the airflow guided by the cooling fan can first enter the guiding channel through the second end, so that the guiding channel guides the airflow through the air inlet portion through the first end, thereby ensuring that the airflow can be guided by the airflow. The channel is introduced more smoothly into the interior of the enclosure for enhanced air intake.

The first end of the flow guiding channel is opposite to the air inlet portion. Thereby, the airflow guided by the cooling fan can pass through the air inlet portion through the first end more quickly and accurately, so as to further improve the air intake amount.

The heat dissipation fan has an axial reference line, and the extending direction of the first end of the flow guiding channel toward the second end corresponds to the axial reference line; wherein the first end of the air guiding channel extends toward the second end The direction may be parallel to the axial reference line; or the extending direction of the first end of the flow guiding channel toward the second end may have a skew angle with the axial reference line, and the skew angle may be 5° to 45°. Therefore, the flow guiding channel can be matched with different shapes of the outer casing or the air inlet portion and the air outlet portion of different positions, so that the person skilled in the art can adjust the guiding channel with a more appropriate position to achieve more. Further improve the air intake and diversion effects and other multiplier effects.

The flow guiding channel is a plurality of grooves formed on a peripheral wall of the outer casing, and the two ends of each of the grooves are the first end and the second end, respectively. Thereby, the flow space can be effectively expanded to achieve the effect of effectively increasing the overall air intake.

The radial cross section of each groove of the flow guiding channel is curved. Thereby, the curved structure design will have better conductivity.

The outer casing includes a first casing and a second casing, and one end of the first casing is provided with a light transmitting portion, and the other end forms a first joint portion, and one end of the second casing forms a first end The second joint portion is provided with an electrical connection portion, and the first joint portion of the first casing is coupled to the second joint portion of the second casing to constitute the outer casing. Thereby, the heat dissipation module and the light-emitting module are conveniently installed, thereby improving the assembly convenience.

The air inlet portion is a plurality of slots formed between the first housing and the second housing, and the air outlet portion is formed by a plurality of through holes extending through the outer peripheral wall of the first housing Composition. Thereby, the air inlet portion 1 and the air outlet portion can provide more airflow circulation pipes to achieve the effect of increasing the air intake amount.

The heat dissipation fan of the heat dissipation module is further combined with a heat dissipation fin, and the heat dissipation fin is coupled between the first housing and the second housing. Therefore, the heat dissipation fan can be matched with the heat dissipation fin to reduce the actual operating temperature of the light emitting module, so as to improve the service life of the light emitting module.

The outer peripheral edge of the heat dissipating fin is formed with a plurality of fixing pieces, each of the fixing pieces is fixed between the first housing and the second housing, and a shoulder of the first engaging portion of the first housing forms a shoulder And each of the fixing piece, the first joint portion and the shoulder portion form an air gap communicating with the inside of the outer casing. Thereby, the air gap is permeable to the airflow, so that even if the heat dissipation fin is assembled between the first casing and the second casing, the external airflow can enter the interior of the casing via the air gap to ensure The air inlet function of the air inlet portion is not affected, thereby achieving the effect of improving the air intake effect.

The light emitting module includes a light emitting component and a control substrate electrically connected to the light emitting component and the electrical connecting portion, wherein the light emitting component is aligned with the light transmitting portion of the outer casing. In this way, in order to achieve better luminous effects, improved service life and power saving.

The outer casing is further combined with a cover, and the outer cover and the outer casing have a flow guiding space, and the flow guiding channel is located in the flow guiding space. Thereby, the flow guiding space is effectively expanded to further enhance the flow guiding function of the guiding channel.

The above and other objects, features and advantages of the present invention will become more <RTIgt;

Referring to Figures 2 and 3, the lamp of the present invention comprises at least a housing 1, a heat dissipation module 2 and a lighting module 3. The heat dissipation module 2 is disposed inside the casing 1; the light module 3 is coupled to the heat dissipation module 2 and is also located inside the casing 1 .

The outer casing 1 can be a hollow casing or a plurality of casings arranged in pairs, which is based on the principle that the relevant components can be assembled inside the casing 1. The housing 1 has a light-transmissive function, so that the light-emitting module 3 can project light through the housing 1; further, the housing 1 is further provided with an air inlet portion 11, an air outlet portion 12 and a flow guiding channel 13, wherein The air inlet portion 11 and the air outlet portion 12 communicate with each other through the outer peripheral wall of the outer casing 1, and the flow guiding passage 13 is disposed on the outer peripheral wall of the outer casing 1.

In this embodiment, the outer casing 1 includes a first casing 1a and a second casing 1b. One end of the first casing 1a is provided with a light transmitting portion 14 and the other end is formed with a first joint portion 15; one end of the second casing 1b forms a second joint portion 16 and the other end is provided with an electrical connection portion. 17: The first joint portion 15 of the first casing 1a and the second joint portion 16 of the second casing 1b can be mutually coupled to each other to form the outer casing 1. As shown in FIGS. 2 and 3, the first A heat dissipating fin 22 may be coupled to each other between a casing 1a and the second casing 1b. For example, the second casing 1b and the first casing 1a are fixed to each other by the fixing member F. The fixing piece 221 is used to improve the overall assembly convenience. Moreover, the air inlet portion 11 is a plurality of slots formed between the first housing 1a and the second housing 1b; the air outlet portion 12 is disposed in the first housing 1a, and the air outlet portion The portion 12 is formed by a plurality of through holes penetrating through the outer peripheral wall of the first casing 1a, so that the air inlet portion 11 and the air outlet portion 12 can provide a conduit for more airflow; the flow guiding passage 13 is formed. The outer peripheral wall of the first casing 1a is arranged to guide the airflow into the air inlet portion 11 via the flow guiding passage 13, and the guiding channel 13 is designed to guide various airflows and airflow. For example, : grooves or guide grooves, etc.

The heat dissipation module 2 is disposed inside the outer casing 1 , and the heat dissipation module 2 has at least one heat dissipation fan 21 , and the heat dissipation fan 21 can be selected as The axial fan or the centrifugal fan is preferably selected from an axial fan; further, the cooling fan 21 can be coupled with the fixing fin (F) such as a screw to couple the heat dissipating fin 22, and the heat dissipating fin 22 is The heat conductive material is used to improve the heat dissipation effect of the heat dissipation module 2.

In this embodiment, the outer peripheral edge of the heat dissipation fin 22 is formed with a plurality of fixing pieces 221, and each of the fixing pieces 221 can be locked to the first housing 1a and the fixing member (F) such as a screw. Between the second housings 1b, and each of the fixing pieces 221 has a spacing therebetween; further, the housing 1 can form a shoulder 18 adjacent to the air inlet portion 11, as shown in the embodiment. The shoulder portion 18 is formed on the outer circumference of the first joint portion 15 of the first casing 1a; thereby, after the heat dissipation fin 22 is coupled to the inside of the outer casing 1, each of the fixing pieces 221, first The air gap G is formed between the joint portion 15 and the shoulder portion 18 and is connected to the inner portion of the outer casing 1. The air gap G is configured to allow airflow to flow, so that the heat dissipation fin 22 is assembled to the first casing 1a and Between the second casings 1b, but the outside airflow can still enter the inside of the casing 1 through the air gap G, so as to ensure that the air inlet function of the air inlet portion 11 is not affected, thereby improving the air inlet effect; The fan 21 can also be combined with the fixing fins (F) such as screws and the heat dissipation fins 22 to guide the airflow through the heat dissipation fins 22, The heat dissipation fins 22 are allowed to exchange heat with the airflow rapidly.

The light emitting module 3 includes a light emitting element 31 and a control substrate 32. The light-emitting element 31 can be a light-emitting diode (LED), a light bulb or other member having the same light-emitting function; the control substrate 32 is electrically connected to the light-emitting element 31 to control the light-emitting element 31 to generate light.

In this embodiment, the light-emitting element 31 is aligned with the light transmission of the outer casing 1. The portion 14 is configured to facilitate the light emission through the light transmitting portion 14 to achieve a better light emitting effect, and the light emitting element 31 is a light emitting diode to achieve an effect of improving the service life and power saving; the control substrate 32 is electrically The heat-dissipating fins 22 of the heat-dissipating module 2 are attached to the heat-dissipating fins 22 of the heat-dissipating module 2, so that the heat-dissipating fins 22 can effectively reduce the actual operation of the light-emitting module 3. The temperature of the time to achieve better heat dissipation.

Please refer to FIG. 3 , when the lamp of the present invention is used in actual use, the outer casing 1 can be mounted on a lamp holder such as a wall or a ceiling with a cover 4 (the outer cover 4 can be omitted and the lamp can be directly mounted on the lamp 1 a predetermined location, such as a mounting hole or the like provided at another predetermined location, wherein a flow space is formed between the inner peripheral wall of the outer cover 4 and the outer peripheral wall of the outer casing 1, and the flow guiding channel 13 is located in the flow guiding space, so that the guiding The flow space is expanded; the electrical connection portion 17 of the outer casing 1 is electrically connected to the general power supply system through the outer cover 4 to provide power to the control substrate 32 of the light-emitting module 3, thereby controlling the light-emitting element 31 to generate light. The light of the light-emitting element 31 is projected to the outside through the light-transmitting portion 14.

The main feature of the lamp of the present invention is that when the lamp of the present invention is installed at a predetermined position by the cover 4, or if the lamp is omitted, the lamp cover is directly embedded in the light steel frame or decoration. When the ceiling of the partition is installed in the hole, as shown in FIG. 4, based on the structural design of the flow guiding channel 13 of the lamp of the present invention, when the cooling fan 21 is to introduce an external airflow through the outer casing 1 and the outer cover 4 or the mounting hole When the wall between the holes is formed, the gap between the outer casing 1 and the outer cover 4 or the wall of the mounting hole can be effectively expanded by the flow guiding passage 13 provided on the outer peripheral wall of the outer casing 1 to The volume of the flow guiding space is increased, and the guiding function of the guiding channel 13 is matched, so that the external airflow can sequentially enter the inside of the outer casing 1 through the guiding channel 13 and the air inlet portion 11. The heat dissipation fan 21 can smoothly introduce the external airflow into the interior of the casing 1 and pass through the heat dissipation fins 22, so that the heat energy of the light-emitting module 3 absorbed by the heat dissipation fins 22 can be quickly exchanged with the external airflow. The function is to reduce the temperature of the light-emitting module 3, and the airflow is again discharged to the external space via the air outlet portion 12. Therefore, the structure of the light guide channel 13 can be used to improve the heat dissipation effect of the heat dissipation module 2, and the heat dissipation of the light-emitting module 3 can be more effectively prevented, thereby improving the service life of the lamp of the present invention. .

The present invention may further comprise at least one accessory structural feature or a combination thereof as described below, so that the function of the lamp of the present invention is more perfect, wherein: Referring to FIG. 4 again, the flow guiding channel 13 of the lamp of the present invention is preferably located between the air inlet portion 11 and the air outlet portion 12; thereby, the flow guiding channel 13 can be used to separate the air inlet. The portion 11 and the air outlet portion 12 are configured to effectively prevent the air inlet portion 11 and the air outlet portion 12 from being excessively approached, and the airflow introduced by the heat dissipation fan 21 through the air inlet portion 11 and the airflow introduced through the air outlet portion 12 The airflow is less prone to turbulence between the two, ensuring a smooth flow of the airflow. Further, it is ensured that the external airflow can pass through the air inlet portion through the airflow passage 13 in the process of introducing the external airflow. 11. After the heat dissipation is completed, the air outlet portion 12 is discharged; overall, the technical features are utilized to achieve the effect of improving the diversion effect.

Referring to FIG. 4 again, the flow guiding channel 13 of the lamp of the present invention is more Preferably, the first end 131 is adjacent to the air inlet portion 11 of the outer casing 1, and the first end 131 is further opposite to the air inlet portion 11; The second end 132 is away from the air inlet portion 11. In the embodiment shown, the second end 132 is oriented toward the air outlet portion 12; thereby, the heat dissipation fan 21 is in the process of introducing an external airflow. The external airflow may first enter the guiding channel 13 via the second end 132, so that the guiding channel 13 can guide the airflow through the air inlet portion 11 through the first end 131, thereby ensuring that the airflow can be guided by the air guiding channel. 13 is smoothly guided into the interior of the casing 1, and the technical features are utilized to achieve the effect of increasing the amount of intake air.

Referring to FIG. 4 again, the heat dissipation fan 21 of the lamp of the present invention has an axial reference line (L), and the first end 131 of the flow guiding channel 13 is preferably extended toward the second end 132. Corresponding to the axial reference line (L); for example, the direction in which the first end 131 extends toward the second end 132 corresponds to the axial reference line (L), meaning that the first end 131 faces The extending direction of the second end 132 is parallel to the axial reference line (L); or, when the outer wall of the outer casing 1 is curved or other irregular shape, the first end 131 extends toward the second end 132. Having a skew angle with the axial reference line (L) (the magnitude of the skew angle is appropriately adjusted by the person skilled in the art according to the shape of the outer casing 1 or the position of the air inlet portion 11 and the air outlet portion 12, For example, the flow guiding channel 13 can be matched with the different shapes of the outer casing 1 or the air inlet portion 11 and the air outlet portion 12 at different positions, and the setting position is more appropriate. The flow guiding channel 13 is used to further enhance the air intake and the flow guiding effect.

Referring to FIG. 4 again, the flow guiding channel 13 is preferably a plurality of grooves formed on the outer peripheral wall of the outer casing 1. The two ends of the grooves are respectively the first end 131 and the first The two ends 132 are further defined by the axial reference line (L) of the heat dissipation fan 21, and the radial cross-sectional shape of each groove of the flow guiding channel 13 is preferably curved; thereby, when the lamp of the present invention is used When the outer cover 4 is installed at a predetermined position or directly embedded in a mounting hole, the technical feature can further increase the flow guiding space between the outer casing 1 and the outer cover 4 or the wall of the mounting hole to achieve effective Increase the overall intake of air. Moreover, when the radial section of each groove of the flow guiding channel 13 is curved, the guiding effect of the guiding channel 13 is better.

In summary, when the lamp of the present invention is installed and used, the structure of the flow guiding channel 13 of the outer casing 1 can be designed to smoothly introduce external airflow into the outer casing 1, so that the heat dissipation module 2 can provide sufficient air intake. The light-emitting module 3 is dissipated to achieve the overall heat dissipation effect and ensure that the lamp can operate normally and the like.

While the invention has been described in connection with the preferred embodiments described above, it is not intended to limit the scope of the invention. The technical scope of the invention is protected, and therefore the scope of the invention is defined by the scope of the appended claims.

〔this invention〕

1‧‧‧Shell

1a‧‧‧First housing

1b‧‧‧ second housing

11‧‧‧Intake Department

12‧‧‧Outlet Department

13‧‧‧ Diversion channel

131‧‧‧ first end

132‧‧‧ second end

14‧‧‧Transmission Department

15‧‧‧First joint

16‧‧‧Second joint

17‧‧‧Electrical connection

18‧‧‧ shoulder

2‧‧‧ Thermal Module

21‧‧‧ cooling fan

22‧‧‧ Heat sink fins

221‧‧‧Fixed tablets

3‧‧‧Lighting module

31‧‧‧Lighting elements

32‧‧‧Control substrate

4‧‧‧ Cover

L‧‧‧ axial reference line

F‧‧‧Fixed components

G‧‧‧ air gap

[study]

9‧‧‧Lighting

91‧‧‧Shell

92‧‧‧Lighting module

93‧‧‧Heat fins

94‧‧‧ cooling fan

Figure 1: A cross-sectional view of a combination of conventional lamps.

Figure 2: An exploded perspective view of the lamp of the present invention.

Figure 3: A cross-sectional view of the combination of the lamps of the present invention.

Fig. 4 is a reference view showing the state of use of the lamp of the present invention.

1. . . shell

1a. . . First housing

1b. . . Second housing

11. . . Into the wind department

12. . . Ventilation department

13. . . Diversion channel

131. . . First end

132. . . Second end

14. . . Translucent part

15. . . First joint

16. . . Second joint

17. . . Electrical connection

18. . . Shoulder

2. . . Thermal module

twenty one. . . Cooling fan

twenty two. . . Heat sink fin

221. . . Fixed piece

3. . . Light module

31. . . Light-emitting element

32. . . Control substrate

F. . . Fixed component

G. . . Air gap

Claims (19)

A luminaire comprising: an outer casing having an air inlet portion and an air outlet portion, and a peripheral flow wall of the outer casing is further provided with a flow guiding passage, wherein the air guiding passage is formed by a plurality of outer peripheral walls of the outer casing a heat dissipation module is disposed inside the outer casing, the heat dissipation module has a heat dissipation fan; and a light emitting module is disposed inside the outer casing; wherein the heat dissipation fan passes through the flow guiding channel of the outer casing The airflow is introduced through the air inlet portion to the inside of the casing for dissipating heat from the lighting module. A luminaire includes: an outer casing having an air inlet portion and an air outlet portion, and a peripheral air guiding passage is further disposed on the outer peripheral wall of the outer casing, the outer casing includes a first casing and a second casing. One end of the first casing is provided with a light transmitting portion, and the other end is formed with a first joint portion. One end of the second casing forms a second joint portion, and the other end is provided with an electrical connection portion. The first joint portion is coupled to the second joint portion of the second casing to form the outer casing; a heat dissipation module is disposed inside the outer casing, the heat dissipation module has a heat dissipation fan; and a light emitting module is Provided in the interior of the housing; wherein the cooling fan is configured to conduct airflow through the air inlet portion to the inside of the housing through the air guiding passage of the housing for dissipating the light emitting module . A luminaire comprising: an outer casing having an air inlet portion and an air outlet portion, wherein the outer peripheral wall of the outer casing is further provided with a flow guiding passage, the outer casing is further combined with a outer casing, and the outer casing and the outer casing have a guide a flow space, the flow guiding channel is located in the flow guiding space; a heat dissipation module is disposed inside the outer casing, the heat dissipation module has a heat dissipation fan; and a light emitting module is disposed inside the outer casing; The heat dissipation fan is configured to introduce airflow through the air inlet portion into the outer casing through the air guiding passage of the outer casing to dissipate heat from the light emitting module. The luminaire of claim 1, 2 or 3, wherein the flow guiding channel is located between the air inlet portion and the air outlet portion. The luminaire of the first, second or third aspect of the invention, wherein the flow guiding channel has a first end and a second end, the first end is connected to an air inlet portion adjacent to the outer casing, the second end Keep away from the air intake. The luminaire of claim 5, wherein the first end of the flow guiding channel is opposite to the air inlet portion. The luminaire of claim 5, wherein the heat dissipating fan has an axial reference line, and the extending direction of the first end of the flow guiding channel toward the second end corresponds to the axial reference line. The luminaire of claim 7 wherein the first end of the flow guiding channel extends parallel to the axial reference line toward the second end. The luminaire of claim 7, wherein the extending direction of the first end of the flow guiding passage toward the second end has a skew angle with the axial reference line. According to the luminaire of claim 9, wherein the deflection angle is 5°~45°. The luminaire of claim 1, wherein the flow guiding channel has a first end and a second end, and the two ends of each of the grooves are the first end and the second end, respectively. The luminaire of claim 1, wherein the radial cross-section of each groove of the flow guiding channel is curved. The luminaire of claim 1, wherein the outer casing comprises a first casing and a second casing, wherein the first casing has a light transmitting portion at one end and a first joint portion at the other end One end of the second casing forms a second joint portion, and the other end is provided with an electrical connection portion, and the first joint portion of the first casing is coupled with the second joint portion of the second casing to constitute the outer casing. The luminaire according to the second or thirteenth aspect of the invention, wherein the air inlet portion is a plurality of slots formed between the first housing and the second housing, and the air outlet portion is penetrated by the The plurality of through holes of the outer peripheral wall of the first casing are formed. The luminaire of the heat dissipation module of the heat dissipation module is further combined with a heat dissipation fin, and the heat dissipation fin is coupled between the first casing and the second casing. The luminaire of claim 15, wherein the outer periphery of the heat dissipation fin forms a plurality of fixing pieces, and each of the fixing pieces is fixed to the first Between the housing and the second housing, a peripheral portion of the first engaging portion of the first housing forms a shoulder, and each of the fixing piece, the first engaging portion and the shoulder portion communicate with each other to the inside of the housing Air gap. The luminaire of claim 2, wherein the illuminating module comprises a illuminating component and a control substrate electrically connected to the illuminating component and the electrical connection. The luminaire of claim 17, wherein the illuminating element is opposite to the light transmitting portion of the outer casing. The luminaire of claim 1 or 2, wherein the outer casing is coupled to a casing, and the outer casing and the outer casing have a flow guiding space, and the flow guiding channel is located in the guiding space.