CN209489020U - A new reliable waterproof and heat dissipation structure based on LED drive power supply - Google Patents

Abstract

The utility model provides a novel reliable waterproof heat dissipation structure based on an LED drive power supply, and relates to the field of power supply heat dissipation. The novel reliable waterproof heat dissipation structure based on an LED drive power supply includes a casing and a cover, and the bottom of the casing is bonded with a The base, the top of the housing is bonded with a sealing strip, the sealing strip is sleeved on the bottom of the cover, the inside of the cover is penetrated by bolts, and the bottom of the bolts is screwed to the top of the housing, and the housing There is a heat dissipation port on the side wall of the LED drive power supply. The new reliable waterproof and heat dissipation structure based on the LED drive power supply, the sealing strip is set to block the gap between the cover and the shell, ensuring the overall sealing of the device. The water plate can prevent water from flowing to the inside of the cooling vent along the side wall of the shell. When water enters the cooling opening, the water-absorbing sponge absorbs water and increases in weight to drive the obturator block close to the sealing plate to close the cooling opening, and the waterproof effect is good.

Description

A new reliable waterproof and heat dissipation structure based on LED drive power supply

technical field

The utility model relates to the technical field of power supply heat dissipation, in particular to a novel reliable waterproof heat dissipation structure based on an LED drive power supply.

Background technique

LED lights have the advantages of high efficiency, energy saving, and environmental protection. Therefore, people are currently devoting themselves to the research and promotion of LED lights. LEDs, like all electronic components, will generate heat and temperature rise during use or operation. If heat dissipation is ignored , will cause the LED to burn out early due to high temperature, especially for some high-power LED lamps, the output power of the power supply is large, and the heat generation is also large. Therefore, it is necessary to set up a corresponding heat dissipation structure for the power supply to dissipate heat. At the same time, For some LED lights that are more exposed to water, it is also necessary to consider that the heat sink can protect the power supply from waterproofing. For example, street lights, fishing lights, and swimming pool lights, etc., have poor waterproof performance, aging after long-term use, and short service life.

Utility model content

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the utility model provides a new reliable waterproof and heat dissipation structure based on the LED drive power supply, which solves the problem that the heat dissipation structure of the drive power supply has poor waterproof and heat dissipation performance and affects the service life of the power supply.

(2) Technical solution

In order to achieve the above purpose, the utility model is realized through the following technical solutions: a new reliable waterproof and heat dissipation structure based on LED drive power supply, including a shell and a cover, the bottom of the shell is bonded with a base, and the bottom of the shell A sealing strip is bonded to the top, and the sealing strip is sleeved on the bottom of the cover, and the inside of the cover is penetrated by bolts, and the bottom of the bolt is screwed to the top of the casing, and the side wall of the casing is provided with a heat dissipation port , the cooling outlet is in the shape of a reverse "Z", the inside of the cooling outlet and the vertical section is provided with an obturator block, the top of the obturator block is bonded with a water-absorbing sponge, and the top of the obturator block is connected to There is a tension spring, and the top of the tension spring runs through the water-absorbing sponge and is connected to the top of the inner wall of the heat dissipation port. A sealing plate is installed under the block, and the closed-cell block includes four slugs and connecting rods, the four slugs are connected at intervals through the connecting rods, the slugs are in an inverted "convex" shape, and the sealing plate There are ventilation slots on the top that match the inserts.

Preferably, a slot is provided at the bottom of the base, and the cross section of the slot is "T" shape.

Preferably, one side of the heat dissipation plate is provided with a protruding arc block, and the protruding arc block is similar to a sectioned cylinder, and the side of the heat dissipation plate away from the protruding arc block is provided with a notch, and the notch is a circular groove type.

Preferably, a water baffle is clamped on the side wall of the housing and at the top of the cooling vent, and the side of the water baffle away from the housing is inclined downward.

Preferably, diversion grooves are provided on the outer wall of the water retaining plate, and the direction of the diversion grooves is consistent with the direction of the water retaining plate.

(3) Beneficial effects

The utility model provides a novel reliable waterproof and heat dissipation structure based on the LED driving power supply. Has the following beneficial effects:

1. The new reliable waterproof and heat-dissipating structure based on the LED drive power supply, the sealing strip is set to block the gap between the cover and the shell, which ensures the overall sealing of the device and is helpful for waterproofing. When water enters the interior, the water-absorbing sponge absorbs water and increases its weight to resist the tension of the tension spring, and drives the obturator block close to the sealing plate to close the heat dissipation port, effectively preventing water from entering the device through the heat dissipation port, and has a good waterproof effect without external water With the heat generated by the driving power, the water can heat the water-absorbing sponge to volatilize its internal moisture. When the weight of the water-absorbing sponge is less than the tension of the tension spring, the closed-cell block can be separated from the sealing plate to open the heat dissipation port and maintain its good heat dissipation. .

2. The new reliable waterproof heat dissipation structure based on the LED drive power supply, the inner angle of the heat dissipation port is smooth, which is convenient for the cold air from the outside to enter the interior of the shell, and the porous water-absorbing sponge and the closed-cell block with large gaps do not affect the air flow. The heat dissipation port ensures the heat dissipation of the device. The heat dissipation plate made of aluminum has a good heat dissipation effect and is not easy to deform after long-term use.

Description of drawings

Fig. 1 is a schematic diagram of the internal structure of the cooling vent of the utility model;

Fig. 2 is a front view of the structure of the utility model;

Fig. 3 is the enlarged view of the local structure of A in Fig. 2 of the utility model;

Figure 4 is a schematic diagram of the connection between the insert and the connecting rod of the present invention;

Fig. 5 is a structural schematic diagram of the diversion tank of the present invention.

In the figure: 1 shell, 2 cover, 3 sealing strip, 4 base, 5 heat dissipation plate, 501 protruding arc block, 502 notch, 6 heat dissipation port, 7 water retaining plate, 8 closed hole block, 801 insert block, 802 Connecting rod, 9 extension springs, 10 absorbent sponges, 11 blocks, 12 sealing plates, 13 diversion grooves.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The embodiment of the utility model provides a new type of reliable waterproof and heat dissipation structure based on the LED drive power supply, as shown in Figure 1-5, including the shell 1 and the cover 2, the bottom of the shell 1 is bonded with a base 4, the base 4 There is a card slot at the bottom of the cover, which is used to clamp the place where the device is installed to ensure the stability of the installation. The top of the shell 1 is bonded with a sealing strip 3, which is set on the bottom of the cover 2. The sealing strip 3 is Made of rubber material, there are bolts running through the inside of the cover 2, and the bottom of the bolt is screwed to the top of the housing 1, and the outer walls of the cover 2 and the housing 1 are densely provided with heat dissipation plates 5, which are made of aluminum. And one side of the cooling plate 5 is provided with a protruding arc block 501, the protruding arc block 501 is similar to a sectioned cylinder, and the side of the cooling plate 5 away from the protruding arc block 501 is provided with a notch 502, the notch 502 is a circular groove , the setting of the protruding arc block 501 and the notch 502 increases the surface area of the heat dissipation plate 5, and the heat dissipation effect is better. The water retaining plate 7, and the side of the water retaining plate 7 away from the shell 2 is inclined downward, the outer wall of the water retaining plate 7 is provided with a diversion groove 13, and the direction of the diversion groove 13 is consistent with the direction of the water retaining plate 7, and the guide The setting of the flow groove 13 facilitates the smooth discharge of water and prevents water from accumulating at the joint between the water retaining plate 7 and the shell 2. The heat dissipation port 6 is in the shape of a reverse "Z", the inner angle of the heat dissipation port 6 is smooth, and the interior of the heat dissipation port 6 And be positioned at vertical section and be provided with obturator block 8, the top of obturator block 8 is bonded with water-absorbent sponge 10, the porous shape of water-absorbent sponge 10 can be ventilated, and the top of obturator block 8 is connected with extension spring 9, and the top of extension spring 9 The top runs through the water-absorbing sponge 10 and is connected to the top of the inner wall of the heat dissipation port 6. The inner wall of the heat dissipation port 6 and the top of the water-absorbing sponge 10 are bonded with a block 11, and the inside of the heat dissipation port 6 is installed below the closed-cell block 8. Plate 12, water-absorbing sponge 10, obturator block 8, sealing plate 12 and water-absorbing sponge 10 are all in the vertical section of heat dissipation port 6, and obturator block 8 includes four inserts 801 and connecting rods 802, and four inserts 801 pass through The connecting rods 802 are connected at intervals, the insert 801 is an inverted "convex" shape, and the top of the sealing plate 12 is provided with a ventilation groove suitable for the insert 801, and the shape of the insert 801 increases the contact area with the sealing plate 12, When fitting, water can be prevented from flowing into the inside of the shell 1 through the gap between the two.

Working principle: When in use, the sealing strip 3 is set to block the gap between the cover 1 and the shell 2, ensuring the overall sealing of the device, and the water baffle 7 is set to prevent water from flowing along the side of the shell 2. The wall flows to the inside of the heat dissipation port 6. When water enters the interior of the heat dissipation port 6, the water-absorbing sponge 10 absorbs water and increases in weight to resist the tension of the extension spring 9, and drives the obturator block 8 to close to the sealing plate 12 to close the heat dissipation port 6, effectively To prevent moisture from entering the interior of the device through the heat dissipation port 6, without external water, the water-absorbing sponge 10 can be heated and volatilized with the heat generated by the driving power supply. When the weight of the water-absorbing sponge 10 is less than the tension of the tension spring 9, the closed The hole block 8 is separated from the sealing plate 12, so that the heat dissipation port 6 is opened, and the inner angle of the heat dissipation port 6 is smooth, so that the outside cold air enters the interior of the shell 1, and the porous water-absorbing sponge 10 and the closed-cell block 8 with a large gap are arranged. Does not affect the air flow through the heat dissipation port 6, ensuring the heat dissipation of the device. The heat dissipation plate 5 made of aluminum has a good heat dissipation effect, and is not easily deformed after long-term use, and the arc protrusions 501 and notches 502 arranged on the side wall of the heat dissipation plate 5 increase The contact area between the heat dissipation plate 5 and the outside world is improved, and the heat dissipation effect is further promoted.

It should be noted that, in this document, the terms "comprising", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or apparatus.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. a kind of novel reliability waterproof radiating structure based on LED drive power, including shell (1) and capping (2), described outer The bottom of shell (1) is bonded with pedestal (4), is bonded with sealing strip (3) at the top of the shell (1), and the sealing strip (3) is sheathed on The bottom of (2) is covered, the inside of the capping (2), which is run through, bolt, and the screw top of the bottom of bolt and shell (1) connects It connects, the outer wall of the capping (2) and shell (1), which gathers, to be provided with heat sink (5), and the side wall of the shell (1) offers heat dissipation Mouthful (6), it is characterised in that: the thermovent (6) is anti-Z-shaped shape, the inside of the thermovent (6) and is located at vertical section and is arranged Have closed pore block (8), be bonded with water-absorbing sponge (10) at the top of the closed pore block (8), is connected with drawing at the top of the closed pore block (8) The top of spring (9), the tension spring (9) is connect through water-absorbing sponge (10) and with the inner wall of thermovent (6) top, the thermovent (6) inner wall and being located at the top of water-absorbing sponge (10) is bonded with fixture block (11), the inside of the thermovent (6) and is located at closed pore Be equipped with below block (8) sealing plate (12), the closed pore block (8) include four abaculus (801) and connecting rod (802), four For the abaculus (801) by the connection of connecting rod (802) interval, the abaculus (801) is inverted " convex " shape, the sealing plate (12) it is offered at the top of and abaculus (801) compatible ventilation slot.

2. a kind of novel reliability waterproof radiating structure based on LED drive power according to claim 1, feature exist In: the bottom of the pedestal (4) offers card slot, and the section of card slot is T shape.

3. a kind of novel reliability waterproof radiating structure based on LED drive power according to claim 1, feature exist In: the side of the heat sink (5) is provided with protrusion arc block (501), and the protrusion arc block (501) is similar to the cylinder splitted Shape, the heat sink (5) offer recess (502) far from the side of protrusion arc block (501), and the recess (502) is circular groove type.

4. a kind of novel reliability waterproof radiating structure based on LED drive power according to claim 1, feature exist It is connected with water fender (7) in the side wall and being located at the top of thermovent (6) of: the shell (1), and water fender (7) is far from shell (1) side is diagonally downward.

5. a kind of novel reliability waterproof radiating structure based on LED drive power according to claim 4, feature exist In: the outer wall of the water fender (7) offers diversion trench (13), and the direction of diversion trench (13) and the direction one of water fender (7) It causes.