TWI664373B - Intelligent street lamp with heat dissipation structure - Google Patents

Abstract

An intelligent street lamp with a heat dissipation structure includes a lamp housing, a heat conducting plate, at least one heat conducting tube, and a circuit board. The lamp housing has an upper side and a lower side, the upper side is recessed with a groove, and the lower side is formed. There is an accommodating part, a heat sink is correspondingly disposed at the accommodating part, the heat conducting plate is correspondingly accommodated in the groove and at least one groove is opened on it, and the heat conducting pipe is correspondingly embedded in the groove and The circuit board has an upper surface and a lower surface that pass through the lamp housing to the lower side and is connected to the heat sink. The upper surface is provided with at least one light-emitting element, and the lower surface is correspondingly attached to the heat conducting plate. The circuit board and the heat sink are arranged staggered to keep the light emitting element and the heat conducting plate away from the heat sink.

Description

Intelligent street lamp with heat dissipation structure

The invention relates to an intelligent street lamp with a heat dissipation structure, and in particular to an intelligent street lamp that can greatly dissipate the heat generated by a circuit board away from a heat sink to greatly increase heat dissipation efficiency and automatically sense ambient illuminance, and can adjust the illuminance of the lamp itself.

According to the light emitting diode (LED) has many advantages such as high brightness, power saving, long life, etc., it is widely used in electronic devices. In recent years, it has gradually replaced traditional light bulbs and expanded to other lighting applications , Such as street lights.

Conventional LED street light fixtures only use thermal paste or sheet to conduct heat from the LED chip. However, the thermal conductivity of this method is limited to the size of the thermal paste or sheet, so the heat from the LED chip cannot be evenly transmitted to the street lamp. On the lamps, the phenomenon of accumulated heat is easy to cause the overall temperature of the lamps to be in a high temperature state, which causes the internal electronic parts and wires to be shortened or damaged due to poor heat dissipation effects, which seriously affects the overall life of the lamps, and the thermal paste and thermal conductivity The pieces are all consumables, so it will increase the cost of consumables and the cost of replacement time.

For another example, the patent of the Republic of China Patent Publication No. M524912, the technology discloses that at least one heat pipe is arranged on one side of a base, and the other side of the base is correspondingly provided with a plurality of LED chips. The heat pipe dissipates and radiates the heat on the base. However, the heat generated by the LED chip and the heat pipe (heat discharge place) are arranged up and down correspondingly. Therefore, this structure will lead to poor heat dissipation efficiency, and the phenomenon of heat accumulation cannot be improved concretely.

Therefore, in order to effectively solve the above-mentioned problems, the main object of the present invention is to provide an intelligent street lamp with a heat dissipation structure that can greatly dissipate the heat generated by the circuit board from the heat dissipation place.

A secondary object of the present invention is to provide an intelligent street lamp with a heat dissipation structure that greatly increases the heat dissipation efficiency.

A secondary object of the present invention is to provide an intelligent street lamp with a heat dissipation structure that greatly improves the life of a lamp.

To achieve the above object, the present invention provides an intelligent street lamp with a heat dissipation structure, which includes a lamp housing, a heat conducting plate, at least one heat conducting tube, and a circuit board. The lamp housing has an upper side and a lower side, and the upper side is concave. A groove is provided on the lower side, a receiving portion is formed at the receiving portion, a heat sink is correspondingly received in the groove, and at least one groove is formed on the heat receiving plate, and the heat pipe corresponds to Embedded in the groove and penetrating the lamp housing to the lower side to be combined with the heat sink, the circuit board has an upper surface and a lower surface, the upper surface is provided with at least one light emitting element, and the lower surface Corresponding to the heat conducting plate, the circuit board and the heat sink are arranged in a staggered manner to keep the light emitting element and the heat conducting plate away from the heat sink.

Through the design of the structure of the present invention, the heat conducting plate accommodated in the groove on the upper side of the lamp housing, and the heat conducting plate is correspondingly embedded in the heat conducting pipe and penetrates the lamp housing to the lower part of the lamp housing. Side, and combined with the heat dissipation fins accommodated in the accommodating part, so that the heat conduction tube is in a bent state, so that the heat generated by the circuit board can be kept away from the heat sink (heat discharge place) In order to greatly increase the heat dissipation efficiency, in addition, it can also greatly improve the life of the lamp.

2‧‧‧ street light

40‧‧‧Trench

20‧‧‧ Lamp housing

5‧‧‧ heat pipe

21‧‧‧upside

50‧‧‧heat-absorbing end

210‧‧‧ groove

51‧‧‧heat sink

211‧‧‧hole

6‧‧‧Circuit Board

22‧‧‧ underside

60‧‧‧ Top surface

220‧‧‧Cooling Fin

61‧‧‧ lower surface

221‧‧‧ accommodation

7‧‧‧Light-emitting element

23‧‧‧pipe joint

80‧‧‧ contact

24‧‧‧ Coating

81‧‧‧Wireless Network Transmitter

25‧‧‧ Cover

82‧‧‧light perception controller

3‧‧‧ radiator

9‧‧‧ Waterproof cover

4‧‧‧ heat conducting plate

83‧‧‧Monitor

84‧‧‧light sensor

Fig. 1 is an exploded perspective view of the first embodiment of the present invention; Fig. 2 is an exploded perspective view of the first embodiment of the present invention; and Fig. 3 is an exploded perspective view of the first embodiment of the present invention from another perspective. Figure 4 is a perspective combination view of the first embodiment of the present invention from another perspective; Figure 5 is a sectional view of the first embodiment of the present invention; and Figure 6 is a sectional view of the second embodiment of the present invention.

The above-mentioned object of the present invention and its structural and functional characteristics will be described based on the preferred embodiments of the drawings.

Please refer to FIGS. 1 to 5, which are three-dimensional exploded view and three-dimensional combination diagram of the first embodiment of the intelligent street lamp with a heat dissipation structure according to the present invention. As shown in the figure, an intelligent street lamp 2 with a heat dissipation structure includes A lamp housing 20, a heat conducting plate 4, at least a heat conducting tube 5, and a circuit board 6. The lamp housing 20 has an upper side 21 and a lower side 22, the upper side 21 is recessed with a groove 210, and the upper side 21 is adjacent to the The groove 210 is formed with a hole 211. The lower side 22 is formed with a plurality of heat dissipation fins 220 and a receiving portion 221. The groove 210 of the upper side 21 and the receiving portion 221 of the lower side 22 are staggered, and a radiator 3 corresponds to The accommodating portion 221 is provided, and the heat sink 3 is composed of a plurality of heat sinks, which is a well-known structure, so it will not be repeated here; the accommodating portion 221 may be an open structure, or may be A cover 25 is used to completely cover the receiving portion 221 (as shown in FIG. 4). In addition, it should be particularly noted that, in this embodiment, the heat dissipation fin 220 and the receiving portion 221 are connected to The lamp housing 20 is integrated The heat dissipation fin 220 and the accommodating portion 221 may also be connected to the lamp housing 20 by other components, which does not affect the efficacy of the present invention, which will be described first; The distance between the heat-dissipating fins 220 is arranged at equal or unequal intervals on the lower side 22 of the lamp housing 20; the heat-conducting plate 4 is correspondingly accommodated in the groove 210, and the heat-conducting plate 4 At least one groove 40 is formed on the plate 4. The groove 40 is linear (the invention is described in a straight line) or arc or curved. The distance is formed at an equal distance (the present invention is described with an equal distance) or is formed at an unequal distance on the heat conducting plate 4; two ends of the heat conducting pipe 5 form a heat absorbing end 50 and a heat radiating end 51, respectively. The heat-absorbing end 50 is correspondingly embedded in the groove 40, and the heat-dissipating end 51 penetrates the lamp housing 20 through the hole 211 to the lower side 22 and is connected to the heat sink 3. It should be noted that The cross-sectional area of the heat conducting tube 5 is semi-circular or rectangular, so that the heat conducting tube 5 is flush with the heat conducting plate 4. The circuit board 6 has an upper surface 60 and a lower surface. Surface 61, at least one light-emitting element 7 is provided on the upper surface 60, and the lower surface 61 is attached corresponding to the heat conducting plate 4. The reason that the heat conducting pipe 5 is flush with the heat conducting plate 4 The lower surface 61 of the circuit board 6 makes "face-to-face" contact with the heat-conducting plate 4. In this way, the heat discharge speed of the light-emitting elements 7 on the circuit board 6 can be greatly increased, and the heat dissipation efficiency can be improved; In addition, a coating layer 24 is further coated on the lamp housing 20, and the coating layer 24 is made of a graphene material or a highly thermally conductive material. Through the coating layer 24, the street lamp 2 can be further improved. For heat dissipation efficiency, the street lamp 2 is further provided with a waterproof cover 9 correspondingly arranged on the lamp housing 20 and covering the circuit board 6 to prevent water from entering the groove 210 to achieve a waterproof effect. In addition, the lamp One end of the shell 20 is more convex to form a pipe joint 23, and the pipe joint 23 corresponds to a pipe body (not shown). Joined to form a complete structure of the street lamp 2. Since the structures such as the pipe joint 23 and the pipe body are known, they are not described in detail here; through the design of the structure of the present invention, the upper side of the lamp housing 20 is used. The heat conduction plate 4 accommodated in the groove 210 of 21 is embedded in the heat conduction plate 4 through the heat absorption end 50 of the heat conduction pipe 5, and the heat radiation end 51 of the heat conduction pipe 5 passes through the hole 211 and penetrates the lamp. The housing 20 reaches the lower side 22 of the lamp housing 20, and is combined with the heat dissipation fins 220 accommodated in the accommodating portion 221, so that the heat conducting tube 5 is in a bent state and passes through the circuit board 6 and The heat sinks 3 are arranged staggered to keep the light emitting elements 7 and the heat conducting plate 4 away from the heat sink 3, so that the heat generated by the light emitting elements 7 on the circuit board 6 can be far away from the heat sink. 3 (heat discharge place), in order to greatly increase the heat dissipation efficiency. In addition, compared with the conventional street light lamps, the street lights of the present invention do not need to use transformers and stabilizers, so the life of the lamps can be greatly improved, and Reduce the cost of lamp replacement and repair.

Continue to refer to FIG. 6, which is a cross-sectional view of a second embodiment of the intelligent street lamp with a heat dissipation structure according to the present invention. The components of the intelligent street lamp with a heat dissipation structure and the corresponding relationships between the components and the aforementioned heat dissipation The structure of the intelligent street lamp is the same, so it will not be repeated here, but the intelligent street lamp with a heat dissipation structure is the most important difference from the foregoing, and a contact 80 and a wireless network are further accommodated in the receiving portion 221 A transmitter 81 and a light sensing controller 82. One end of the contact 80 is electrically connected to a power source (not shown). In addition, the upper side 21 of the lamp housing 20 is adjacent to the groove 210 to form a group. A monitor 83 is provided, and the monitor 83 is electrically connected to the contact 80 and the light sensing controller 82. A light sensor 84 is further arranged below the lamp housing 20 and the contact 80 The other end is electrically connected to each component of the street lamp 2 which must use a power source to start the function (such as: a circuit board 6, a wireless network transmitter 81, a light-sensing controller 82, a monitor 83, etc.), so that Each component is damaged When it is broken, it can be removed and replaced directly from the contact, which greatly increases the convenience of maintenance. The setting of the wireless network transmitter 81 can provide passersby to use the network, and the lens in the monitor 83 can be 180 degrees. Rotate to monitor and control the movement of passersby passing the street light at any time. Furthermore, when someone passes by the street light, the light sensor 84 can detect the passage of someone and make the light-emitting element 7 on the circuit board 6 turn on automatically, making it The ambient environment generates temporary illumination. In addition, the light sensor 84 can sense the brightness of the external environment and receive a signal from the light sensor 84 through the light sensor controller 82 and transmit the signal to the light sensor controller 82. To adjust the brightness of the light to achieve the effect of saving energy.

As mentioned above, the present invention has the following advantages compared with the conventional one: 1. The heat generated by the circuit board can be far away from the heat sink; 2. The heat dissipation efficiency is greatly increased; 3. The lamp life is greatly improved; 4. The lamp replacement and maintenance are reduced. the cost of.

The present invention has been described in detail above, but the above is only one of the preferred embodiments of the present invention. When the scope of implementation of the present invention cannot be limited, that is, all equivalent changes and modifications made in accordance with the scope of the present application Etc. should all still be covered by the patent of the present invention.

Claims (9)

An intelligent street lamp with a heat dissipation structure includes: a lamp housing having an upper side and a lower side, the upper side is recessed with a groove, the lower side is formed with a receiving portion, and a radiator is correspondingly disposed at the receiving portion; A heat conducting plate is correspondingly accommodated in the groove. The heat conducting plate is provided with at least one groove, and the groove is formed with at least one hole adjacent to the heat conducting plate. At least one heat conducting pipe is correspondingly embedded. A hole is formed in the groove, and a heat absorption end and a heat radiation end are respectively formed at both ends of the heat pipe. The heat absorption end is correspondingly embedded in the groove, and the heat radiation end is corresponding to the heat dissipation. And a circuit board having an upper surface and a lower surface, the upper surface is provided with at least one light-emitting element, the lower surface is correspondingly attached to the heat conducting plate, and the circuit board and the heat sink are connected The light emitting elements and the heat conducting plate are staggered to be far away from the heat sink. The intelligent street lamp with a heat dissipation structure according to claim 1, wherein a plurality of heat dissipation fins are formed at an equal or unequal arrangement on the lower side, and the heat dissipation fins and the accommodating part are connected to the lamp housing. For one piece. The intelligent street lamp with a heat dissipation structure according to claim 1, wherein the heat conducting tube is flush with the heat conducting plate system. The intelligent street lamp with a heat dissipation structure as described in claim 1, wherein the grooves are any of a straight line, an arc, or a curve, and the distance between the grooves and the grooves is equidistant or Non-equidistantly formed on the heat conducting plate, the cross-sectional area of the heat conducting pipe is semi-circular or rectangular, so that the heat conducting pipe can make surface-to-surface contact with the lower surface. The intelligent street lamp with a heat dissipation structure according to claim 1, wherein a coating layer is further coated on the lamp housing, and the coating layer is made of a graphene material or a highly thermally conductive material. As described in claim 1, the intelligent street lamp with a heat dissipation structure further includes a contact correspondingly disposed in the accommodating portion, and one end of the contact is electrically connected to a power source. The intelligent street lamp with a heat dissipation structure according to claim 6, wherein a wireless network transmitter and a light sensing controller, the wireless network transmitter and the light The sensing controller is electrically connected to the other end of the contact, and a cover body covers the receiving portion. The intelligent street lamp with a heat dissipation structure according to claim 1, wherein a monitor is further set adjacent to the groove on the upper side of the lamp housing, and the monitor is electrically connected to the contact and the light sensing controller. It is sexually connected, and a light sensor is set on the lower side of the lamp housing. As described in claim 1, the intelligent street lamp with a heat dissipation structure further includes a waterproof cover, and the waterproof cover is correspondingly arranged on the lamp housing and covers the circuit board to achieve a waterproof effect.