CN209949502U

CN209949502U - Street lamp controller with good heat dissipation effect

Info

Publication number: CN209949502U
Application number: CN201920518850.9U
Authority: CN
Inventors: 李小明
Original assignee: Nanjing Jiazehe Microelectronics Co Ltd
Current assignee: Nanjing Jiazehe Microelectronics Co Ltd
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2020-01-14
Anticipated expiration: 2029-04-16

Abstract

The utility model belongs to the technical field of illumination regulation and control equipment, a street lamp controller that radiating effect is good is disclosed, and its technical scheme main points are including casing and heat collection chamber, the heat collection chamber sets up on the lateral wall of casing, and the outer wall upper berth of heat collection chamber dorsad casing one side is equipped with the fin, still including setting up the water tank on the casing lateral wall, the water pipe has been connect on the water tank, the inside runner of having seted up of fin, a plurality of capillary holes have been seted up on the lateral wall of runner, capillary hole and fin dorsad the outer wall intercommunication of heat collection chamber one side, the water pipe dorsad water tank one end links to each other with the runner, has the heat release that can accelerate on the fin, the good effect of radiating effect.

Description

Street lamp controller with good heat dissipation effect

Technical Field

The utility model relates to a technical field of illumination regulation and control equipment, in particular to street lamp controller that radiating effect is good.

Background

The street lamp controller is widely applied to public lighting environments such as municipal roads, expressways, bridges, tunnels, gardens, docks, sightseeing landscape lamps, stadiums, amusement places, advertising lamp boxes and the like, and is suitable for all gas discharge type lighting lamps.

The street lamp controller can produce the heat at the working process, if the heat can't in time be discharged, gathers in controller inside for a long time, causes the damage to controller, circuit easily, so street lamp controller often is equipped with heat radiation structure.

Chinese patent No. CN208462260U discloses a remote street lamp controller, which comprises a housing, a control module disposed inside the housing, and a plurality of indicator lamps disposed on the front surface of the housing; the heat collecting plate is vertically arranged in the shell, the heat conducting rods are uniformly arranged on the outer side of the heat collecting plate and penetrate through the shell to the heat collecting chamber, the heat conducting rods are transversely arranged, and through holes for the heat conducting rods to penetrate through are formed in the shell; the radiating fin consists of a radiating substrate, a radiating bracket and a plurality of radiating ribs; and a shockproof sleeve is arranged between the heat conducting rod and the through hole, the shockproof sleeve is arranged on the heat conducting rod and comprises a front limiting part, a shockproof part and a rear limiting part.

The remote street lamp controller realizes heat exchange inside and outside the heat exchanger shell by arranging the heat collecting fins, the heat conducting rods, the heat radiating rings, the heat radiating holes and the heat radiating fins, and has certain heat radiating performance. However, the heat dissipation process completely depends on the natural conduction of heat among the gas in the shell, the heat collecting fins, the heat conducting rod, the heat dissipation ring, the gas in the heat collecting chamber, the heat dissipation fins and the air outside the heat collecting chamber, when the temperature of the external environment is high, or when the temperature of the heat dissipation fins rises after the heat dissipation fins are directly irradiated by sunlight, the heat generated by the work of the controller is difficult to release from the heat collecting chamber to the external environment, and the heat dissipation effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a street lamp controller that radiating effect is good has the heat release that can accelerate on the fin, advantage that the radiating effect is good.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a street lamp controller that radiating effect is good, includes casing and heat collection chamber, the heat collection chamber sets up on the lateral wall of casing, and the outer wall upper berth of heat collection chamber dorsad casing one side is equipped with the fin, still including setting up the water tank on the casing lateral wall, the water tank has connect the water pipe, the inside runner of having seted up of fin, a plurality of capillary holes have been seted up on the lateral wall of runner, the capillary hole communicates with the outer wall of fin dorsad heat collection chamber one side, the water pipe dorsad water tank one end links to each other with the runner.

By adopting the technical scheme, the water tank is communicated with the flow channel inside the radiating fin through the water pipe, the cooling water stored in the water tank flows into the flow channel under the capillary action and is discharged through the capillary holes, the cooling water is gasified on the radiating surface of the radiating fin, the heat on the radiating fin is absorbed and taken away, the heat release on the radiating fin can be accelerated, and the radiating effect is good.

Further, the height of the water tank is smaller than that of the heat collection chamber.

Through adopting above-mentioned technical scheme, the height of water tank is less than the thermal-arrest room, and capillary hole department water pressure is lower, avoids the cooling water of capillary hole department to spill over rapidly under the effect of water pressure in the water tank, makes the cooling water can flow out comparatively gently, and the duration is long under the prerequisite of guaranteeing cooling efficiency.

Further, wear to be equipped with pressure balance pipe on the casing, pressure balance pipe and water tank intercommunication are equipped with the support ring on the inner wall of pressure balance pipe dorsad water tank one end, be equipped with three piece at least support columns on the support ring, support column dorsad water tank one end is equipped with pressure balance board, pressure balance board comprises preceding plate body and back plate body, preceding plate body and back plate body rigid coupling are located back plate body dorsad water tank one side, and the thermal expansion coefficient of preceding plate body is less than the back plate body.

By adopting the technical scheme, when the heat dissipation structure in the heat collection chamber can effectively dissipate heat, the temperature in the shell can be stabilized without auxiliary heat absorption of cooling water overflowing from the capillary hole, at the moment, the pressure balance plate plugs the pressure balance pipe, is blocked by the support column and cannot move towards the water tank, the cooling water in the water tank is continuously reduced without gas supplement, negative pressure is formed until the pressure difference inside and outside the water tank and the surface tension of the cooling water at the capillary hole are balanced, and no cooling water overflows from the capillary hole; when the heat dissipation structure in the heat collection chamber can not effectively dissipate heat, the temperature in the shell continuously rises, so that the temperature of the pressure balance plate is increased, the front plate body and the rear plate body expand simultaneously, the thermal expansion coefficient of the front plate body is smaller than that of the rear plate body, the expansion amplitude of the front plate body is smaller than that of the rear plate body, so that the pressure balance plate is integrally bent and deformed, the middle part of the pressure balance plate is protruded towards the water tank, the edge of the pressure balance plate is separated from the inner wall of the pressure balance pipe, the water tank is communicated with the interior of the shell, the air pressure in the water tank is restored to a normal level, and cooling water; therefore, the cooling water overflows only when necessary, and the duration of normal operation is greatly prolonged under the condition of a certain amount of stored water.

Further, the inner diameter of the pressure balance pipe is smaller than the diameter of the pressure balance plate.

Through adopting above-mentioned technical scheme, when forming the negative pressure in the water tank, pressure balance plate both sides pressure unbalance, can have certain degree bending deformation, so the internal diameter that sets up pressure balance pipe is less than pressure balance plate's diameter, make pressure balance plate have certain bending promptly under initial condition, there is elasticity on the board, offset by the pressure of pressure balance inside pipe wall, along with the reduction of the internal gas pressure of water tank, elasticity on the pressure balance plate truns into and offsets by the pressure differential of board both sides, but pressure balance plate still keeps hugging closely with pressure balance pipe's inner wall, plugs up pressure balance pipe.

Furthermore, a limiting block is arranged on the inner wall of the pressure balance pipe and is positioned on one side, back to the support column, of the pressure balance plate.

Through adopting above-mentioned technical scheme, under the initial condition of pressure balance board, its middle part is protruding towards water tank one side, and its border receives the reaction force of pressure balance inside pipe wall and water tank dorsad, sets up the mouth of pipe roll-off that the stopper can prevent from the pressure balance pipe under this reaction force's of pressure balance board effect.

Furthermore, a filter screen is arranged at the pipe orifice of one end of the pressure balance pipe, which is back to the water tank.

Through adopting above-mentioned technical scheme, when the inside gas of casing supplyed to the water tank in, the dust impurity that mixes wherein is intercepted by the filter screen, avoids dust impurity to mix and blocks up runner or capillary after the cooling water.

Furthermore, the pressure balance pipe is arranged downwards and is back to the pipe orifice at one end of the water tank.

Through adopting above-mentioned technical scheme, the mouth of pipe of pressure balance pipe dorsad water tank one end is down, and the filter screen is passed from bottom to top to the inside gas of casing, and the filter screen is when the interception dust impurity, can not have dust impurity to accumulate in a large number at the filter screen lower surface.

Furthermore, a plurality of guide grooves are formed in the outer wall of the radiating fin, which is back to one side of the heat collecting chamber, and the guide grooves are connected with the capillary holes.

By adopting the technical scheme, after the cooling water overflows from the capillary holes, the cooling water is diffused to all parts of the surface of the radiating fin along the diversion trenches under the action of surface tension, and the heat is absorbed uniformly.

To sum up, the utility model discloses following beneficial effect has:

1. the heat release on the radiating fins can be accelerated, and the radiating effect is good;

2. set up pressure balance pipe and pressure balance board, the indoor heat radiation structure of thermal-arrest can effectively dispel the heat under most circumstances, and cooling water does not spill over from the capillary, and when the indoor heat radiation structure of thermal-arrest can't effectively dispel the heat, cooling water just can spill over from the capillary to greatly prolong the moisturizing cycle.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic view showing the internal structure of a heat sink in the embodiment;

FIG. 3 is a schematic structural view of a pressure equalizing tube in the example.

In the figure, 1, a housing; 2. a heat collection chamber; 3. a heat sink; 4. a water tank; 5. a water pipe; 6. a pressure balance tube; 31. a flow channel; 32. capillary pores; 33. a diversion trench; 61. a support ring; 62. a support pillar; 63. a pressure balance plate; 64. a front plate body; 65. a rear plate body; 66. a limiting block; 67. and (5) filtering by using a filter screen.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

a street lamp controller with good heat dissipation effect is shown in figure 1 and comprises a shell 1, wherein a control module is arranged in the shell 1, an indicator lamp is arranged on the front surface of the shell 1, and a heat collection chamber 2 and a water tank 4 which are used for heat dissipation are arranged on two outer side walls of the shell 1 in pairs. Heat collecting structures such as heat collecting fins, heat conducting rods and heat radiating rings are arranged in the heat collecting chamber 2 and the shell 1, a heat radiating fin 3 is fixedly connected to one side of the heat collecting chamber 2, which is back to the shell 1, and the heat radiating fin 3 is tightly attached to the side wall of the heat collecting chamber 2.

As shown in fig. 1 and fig. 2, a flow channel 31 is formed inside the heat sink 3, a plurality of capillary holes 32 are formed on a sidewall of the flow channel 31, and the capillary holes 32 are communicated with an outer wall of the heat sink 3 facing away from the heat collecting chamber 2. The water tank 4 is located below the heat collection chamber 2, the bottom of the water tank is connected with the water pipe 5, one end of the water pipe 5, which is back to the water tank 4, is connected with the flow channel 31 inside the heat dissipation fin 3, and the cooling water in the water tank 4 is guided into the flow channel 31 and overflows to the surface of the heat dissipation fin 3 through the capillary holes 32.

As shown in fig. 2, a plurality of guiding grooves 33 are formed on a side wall of the heat sink 3 facing away from the heat collecting chamber 2, and the guiding grooves 33 are communicated with the capillary holes 32, so that the cooling water overflowing from the capillary holes 32 is more uniformly distributed on the surface of the heat sink 3, and the heat on the heat sink 3 is carried away in the gasification process.

As shown in fig. 3, a pressure balance pipe 6 is inserted into the housing 1, and one end of the pressure balance pipe is communicated with the water tank 4, and the other end is located in the housing 1 with an opening facing downward.

As shown in fig. 3, a section of the pressure balance pipe 6 located in the housing 1 is provided with a support ring 61, a support column 62, a pressure balance plate 63 and a stop block 66, which are sequentially arranged, and the distance from the pressure balance pipe to the water tank 4 gradually increases. Wherein, the support ring 61 is coaxially arranged with the pressure balance pipe 6 and fixedly connected with the inner wall of the pressure balance pipe 6. The three support columns 62 are balanced with the axis of the pressure balance pipe 6, evenly distributed around the axis of the pressure balance pipe 6 and fixedly connected with the support ring 61. The pressure equalizing plate 63 is also coaxial with the pressure equalizing tube 6, against the support column 62.

As shown in fig. 3, the pressure balance plate 63 is circular in a relaxed state, and has a diameter larger than the inner diameter of the pressure balance pipe 6, so that it is in a bent state when placed in the pressure balance pipe 6, and the middle portion thereof is protruded toward the water tank 4, and the edge thereof abuts against the inner wall of the pressure balance pipe 6.

As shown in fig. 3, the pressure balance plate 63 is composed of a front plate 64 and a rear plate 65, the front plate 64 and the rear plate 65 are parallel to each other and located on the side of the rear plate 65 opposite to the water tank 4, and the two are fixedly connected together. Further, the front plate 64 is made of iron, and the rear plate 65 is made of lead, which has a thermal expansion coefficient greater than that of the front plate 64.

When normal heat dissipation begins, the cooling water stored in the water tank 4 flows into the flow channel 31 under the capillary action and is discharged through the capillary holes 32, and the cooling water in the water tank 4 is continuously reduced. The pressure balance plate 63 blocks the pressure balance pipe 6, no gas is supplemented in the water tank 4, negative pressure is formed, and until the pressure difference inside and outside the water tank 4 and the surface tension of the cooling water at the capillary hole 32 reach balance, no cooling water overflows at the capillary hole 32.

When the heat radiation structure in the heat collecting chamber 2 cannot radiate heat effectively, the temperature in the housing 1 is continuously increased, so that the temperature of the pressure balance plate 63 is increased, and the front plate body 64 and the rear plate body 65 are expanded at the same time. The front plate 64 has a smaller thermal expansion coefficient than the rear plate 65 and a smaller expansion amplitude than the rear plate 65, so that the pressure balance plate 63 is bent and deformed as a whole, the middle portion thereof is further protruded toward the water tank 4, and the edge thereof is separated from the inner wall of the pressure balance pipe 6, thereby communicating the water tank 4 with the inside of the housing 1. The air pressure in the water tank 4 is restored to a normal level, and the cooling water at the capillary holes 32 overflows to the surface of the radiating fins 3 again under the capillary action, so that the radiating fins 3 are subjected to auxiliary heat dissipation.

As shown in fig. 3, a filter screen 67 is fixedly connected to a pipe opening of the pressure balance pipe 6 at an end opposite to the water tank 4, and is used for intercepting dust and impurities mixed in the air in the casing 1 and preventing the dust and impurities from entering the water tank 4.

The specific implementation process comprises the following steps:

the water pipe 5 connects the water tank 4 with the flow channel 31 inside the heat sink 3, and the cooling water stored in the water tank 4 flows into the flow channel 31 under the capillary action and is discharged through the capillary holes 32, and is gasified on the heat dissipation surface of the heat sink 3, so that the heat on the heat sink 3 is absorbed and taken away.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a street lamp controller that radiating effect is good, includes casing (1) and heat collection chamber (2), heat collection chamber (2) set up on the lateral wall of casing (1), and heat collection chamber (2) is equipped with fin (3), its characterized in that dorsad on the outer wall upper berth of casing (1) one side: still including setting up water tank (4) on casing (1) lateral wall, water pipe (5) have been connect on water tank (4), runner (31) have been seted up to fin (3) inside, a plurality of capillary holes (32) have been seted up on the lateral wall of runner (31), capillary hole (32) and fin (3) outer wall intercommunication dorsad heat-collecting chamber (2) one side, water pipe (5) dorsad water tank (4) one end links to each other with runner (31).

2. The street lamp controller with good heat dissipation effect as claimed in claim 1, wherein: the height of the water tank (4) is smaller than that of the heat collection chamber (2).

3. The street lamp controller with good heat dissipation effect as claimed in claim 1, wherein: wear to be equipped with pressure balance pipe (6) on casing (1), pressure balance pipe (6) and water tank (4) intercommunication, pressure balance pipe (6) are equipped with support ring (61) on the inner wall of water tank (4) one end dorsad, be equipped with three piece at least support columns (62) on support ring (61), support column (62) are equipped with pressure balance board (63) to water tank (4) one end dorsad, pressure balance board (63) comprise preceding plate body (64) and back plate body (65), preceding plate body (64) and back plate body (65) rigid coupling are located back plate body (65) dorsad water tank (4) one side, and the coefficient of thermal expansion of preceding plate body (64) is less than back plate body (65).

4. The street lamp controller with good heat dissipation effect as claimed in claim 3, wherein: the inner diameter of the pressure balance pipe (6) is smaller than the diameter of the pressure balance plate (63).

5. The street lamp controller with good heat dissipation effect as claimed in claim 4, wherein: and a limiting block (66) is arranged on the inner wall of the pressure balance pipe (6), and the limiting block (66) is positioned on one side, back to the supporting column (62), of the pressure balance plate (63).

6. The street lamp controller with good heat dissipation effect as claimed in claim 3, wherein: and a filter screen (67) is arranged at the pipe orifice of one end of the pressure balance pipe (6) back to the water tank (4).

7. The street lamp controller with good heat dissipation effect as claimed in claim 6, wherein: the pressure balance pipe (6) is arranged downwards back to the pipe orifice at one end of the water tank (4).

8. The street lamp controller with good heat dissipation effect as claimed in claim 1, wherein: the outer wall of the radiating fin (3) on the side back to the heat collecting chamber (2) is provided with a plurality of guide grooves (33), and the guide grooves (33) are connected with the capillary holes (32).