RU206589U1 - LED lamp - Google Patents

Abstract

The utility model relates to the field of lighting engineering, namely to lighting devices for a fixed installation, using light-emitting diodes, and a case from an extended profile as a supporting element and a radiator, and is intended for street, industrial, domestic and architectural design lighting. expanding the arsenal of technical means for similar applications, as well as increasing reliability. The technical result is achieved due to the implementation of the body-radiator from a heat-conducting material in the form of an extended symmetrical thin-walled profile, H-shaped section with a horizontal base in the form of a plate and vertical lateral longitudinal struts formed in in the form of closed contours, which are divided inside by longitudinal ribs into several cavities, forming heat-removing through channels, in which the inner surfaces are wavy. In the upper part of the side struts, on the inside, there are longitudinal fastening channels into which the counterparts of the profile-plate and the profile-pipe are inserted, and on the upper surface of the base there are protruding longitudinal grooves for fixing the power supply, thus the power supply is located in the inner compartment, limited by the base of the radiator housing, its vertical struts and profile-plate. Also, the technical result is achieved due to the presence of a monolithic translucent protective screen made of impact-resistant material, a screen with lenses covering at least one light module, with the organization of independent sealing of two zones: the light-emitting zone of the printed circuit board of the light module and the contact area of the board, and the sealing of the first zone is achieved by squeezing the sealing cord, which has a closed loop and is based in the inner part of the screen along several groove depressions, and the second zone is sealed in the cavity of the inner end groove of the screen, in which the wires are placed, and is carried out by pouring the sealant through the hole until it is completely filled; the execution of end caps with slots corresponding to the space of the through channels of the vertical struts of the radiator housing, as well as additional slots along the perimeter of the inner compartment.

Description

Technology area

The utility model relates to the field of lighting engineering, namely to lighting devices for a fixed installation, using light-emitting diodes, and a case from a drawn profile as its component as a carrier element and a radiator. The utility model is intended for street, industrial, household and architectural design lighting.

State of the art

Known analogue - LED lamp and heat sink profile as its body RU 2 575 299 C1, F21S 2/00, F21S 13/00 02/20/2016 LED lamp containing a heat sink housing made of heat-conducting material with ribs, two end caps, at least one light module located in the housing, at least one external power source, characterized in that it contains at least one monolithic translucent protective screen made of impact-resistant material with lenses, covering the corresponding light module with the organization of independent sealing of two zones: the light-emitting zone of the printed circuit board of the light module and contact areas for connecting the board; an external power source installed inside an external through-hole, having a closed loop of the housing part, which can also be used for mounting the luminaire on a console; a heat sink drawn profile is used as a radiator housing, which is formed by a base plate dividing the housing into an inner and an outer part, light modules and screens are located in the inner U-shaped part, and the outer part contains ribs, the power supply compartment is made in the form of a through closed contour; covers made identical and having through holes corresponding to the section of the case in the region of the ribs and the closed contour of the compartment of the power supply with the inner part repeating the section of the case.

The solution of the considered analogue allows you to obtain a wide range of luminaires based on unified components. The power and pattern of the luminaires are varied by the number of light modules used and their corresponding secondary optics screens. However, as the power of the luminaire increases by increasing the light modules, the heat load on the radiator housing increases, and the heat dissipating fins located on the upper part of the radiator housing and closely spaced to each other contribute to rapid clogging, which prevents efficient heat dissipation and, accordingly, contributes to overheating of the luminaire.

Known analogue - LED lamp RU 137 667 U1, F21S 8/00, 02/27/2014. The LED luminaire is made of a radiator body, end sides, a driver, a cover covering it, at least one LED module, and a fastening means. The radiator housing is a plate radiator wrapped inward to form chambers in which the finning area is located. The body-radiator is closed from the end sides by end sides made of plastic, which have holes that act as diffusers and confusers for air cooling streams. The driver is fixed on the upper side of the radiator housing and is closed with a ventilated cover. The LED module is an aluminum board with LEDs, on which LED clusters of secondary optics are glued using glue-sealant, and which is pressed to the body using PVC locks.

The disadvantage of the solution according to document RU 137 667 U1 is that the inner ribs have worse conditions for heat dissipation, since they are all in one closed cavity (symmetrically on both sides). In addition, to increase the power of the luminaire, an additional profile or profiles are used, which implies additional connecting elements for joining the profiles and ensuring the rigidity of the structure, and this leads to an increase in the range of luminaire elements, and, as a result, to an increase in the price of the product.

The prototype is "LED lamp (options) and heat-dissipating profile as a lamp body" RU 2 656 362 C2, F21V 29/00, 05.06.2018 LED lamp containing one LED or LED module with fasteners to the heat-conducting base; a radiator case made of a heat-conducting material in the form of an elongated symmetric profile, in which a massive heat-conducting base and longitudinal heat-dissipating ribs are made together, while the ribs themselves are made with a wavy surface, as well as a pair of vertical struts, made together with the radiator case, extending from the heat-conducting base in the opposite direction and connected to the central bent in (_) - shaped pair of arcuate ribs with the formation of symmetrical closed contours between the struts and the central pair of ribs and a central closed loop formed by the radiator body and the profile plate; a power supply located on the outside of the central closed loop; side decorative covers with through holes.

This solution makes it possible to solve the problems of heat dissipation and fulfillment of the carrying functions of the body, as well as to exclude the unreasonable consumption of the body material due to the drawn-out design of its structural elements. However, the disadvantage of this solution is the open principle of the arrangement of the heat-dissipating fins of the radiator body, which contributes to clogging of the luminaire and, consequently, the possible deterioration of its heat-dissipating characteristics, which can lead to overheating of the device and a decrease in its service life. Also, the power supply is not protected from possible mechanical damage.

The technical task of the utility model is:

- expanding the arsenal of technical means of similar application,

- improvement of the operating conditions of LED components with a further increase in the heat dissipation capabilities of the luminaire body, and, as a consequence, an increase in reliability.

The essence of the claimed utility model consists in the solution:

1. Housing-radiator, made of heat-conducting material in the form of an elongated symmetric profile, H-shaped section with a horizontal base in the form of a plate and vertical lateral longitudinal struts made in the form of closed contours, which are divided inside by longitudinal ribs into several cavities that form heat-dissipating through channels with a wavy inner surface.

This solution of the luminaire body eliminates the disadvantage of the prototype in terms of contamination of the intercostal spaces, because the heat dissipating fins are located inside the closed contours of the radiator housing; moreover, more favorable conditions are created for cooling the housing due to the creation of an aerodynamic effect of additional blowing. This is achieved due to the fact that in closed circuits there is a more intense heating of the internal air, and then it is replaced by external air due to the potential difference (temperature, pressure) of the two media. Because the closed contour of the racks is divided into channels of even smaller cross-section, and in a smaller cross-section the flow rate is higher, then the replacement of heated air in the through channels is faster.

2. Additional elements of the radiator casing: in the upper part of the side racks of the radiator casing, on the inner side, there are longitudinal fastening channels to accommodate the counterparts of the pipe profile and / or the profile plate, and on the upper surface of the base there are protruding (to prevent contact with the surface of the base to avoid excessive overheating of the plate) longitudinal grooves for attaching an external power source.

Symmetrical closed end-to-end contours of vertical racks allow to ensure the rigidity of the connection between the housing-radiator and the profile-pipe and / or profile-plate, and the closed loop formed by the base of the housing-radiator, side racks and the profile-plate serves as a compartment for placing the power supply, protecting the latter from possible mechanical damage.

3. End caps made corresponding to the profile of the radiator body and the bearing element (profile-plate or profile-pipe), while the end caps have slots corresponding to the shape of the through channels formed by longitudinal heat dissipating ribs in the closed circuits of the vertical struts of the radiator body, as well as additional slots along the perimeter of the compartment, with an installed power supply. Thus, unimpeded air circulation in the compartment with the installed power supply is realized, and pollution is excluded.

4. Monolithic translucent screen with lenses, which performs the function of forming a luminous flux, protective and decorative functions. The screen has an external open cavity, divided by partitions, which impart rigidity to the structure. On the lower surface of the outer open cavity, lenses or a lens are located that do not go beyond the size of the cavity, thereby ensuring their protection from mechanical influences. An inner groove is made on the lower surface of the screen along the end sides, in which there is a hole on the upper surface of the screen. The internal groove contains the contacts for connecting the printed circuit board and the wire, this zone serves to seal the connections, carried out by filling it with sealant through the hole. Thus, the light emitting area of the printed circuit board and the contact area of the printed circuit board are sealed independently. The first is by pressing the shield against the printed circuit board through a sealing cord. The second is by filling the contact area with sealant. To facilitate the assembly process, the inner part of the screen has a closed groove with base grooves for installing a cord sealing the light-emitting area and guiding base pins inserted into the corresponding holes on the printed circuit board. Along the lateral sides of the screen, there are holes for fastening to the body, located outside the sealed zones. The location of the lenses on the screen corresponds to the location of the LEDs on the board, the latter are located inside the lenses. The required directional pattern is formed by choosing the topology of the arrangement of LEDs on the printed circuit board, their type, their corresponding lenses and their geometry on a monolithic translucent screen.

List of drawings

The essence of the utility model is illustrated by the following graphic materials presented in FIG. 1-21 (wires, printed circuit board with LEDs and power supply are not shown conventionally):

FIG. 1 - isometric view of the heat-dissipating drawn profile of the radiator body;

FIG. 2 - cross-section of the heat sink profile of the radiator housing;

FIG. 3 - mounting elements of the luminaire: profile-plate and profile-pipe;

FIG. 4 - cross-section of the body-radiator together with the profile-plate;

FIG. 5 - cross-section of the radiator body together with the profile-plate and the profile-pipe;

FIG. 6 - LED luminaire with a profile-plate (top isometric view);

FIG. 7 - LED lamp with a profile-plate (bottom isometric view);

FIG. 8 - LED lamp with a profile-plate (front view);

FIG. 9 - LED lamp with a profile-plate (side view);

FIG. 10 - LED lamp with a profile-plate (section A-A);

FIG. 11 - LED lamp with a profile-plate (top view);

FIG. 12 - LED lamp with a profile-plate (bottom view);

FIG. 13 - LED lamp with a profile-tube (top view in isometric view);

FIG. 14 - LED lamp with a profile-tube (bottom isometric view);

FIG. 15 - LED lamp with a profile-pipe (front view);

FIG. 16 - LED lamp with a profile tube (side view);

FIG. 17 - LED lamp with a profile-pipe (top view);

FIG. 18 - LED lamp with a profile-pipe (bottom view);

FIG. 19 - LED lamp with a profile tube (rear view);

FIG. 20 - monolithic translucent protective screen with lenses in isometric view from the outside;

FIG. 21 - monolithic translucent protective screen with lenses in isometric view from the inside.

List of items on the drawings:

1 - Luminaire radiator housing;

2 - The base is a heat-conducting body-radiator;

3 - Vertical rack of the radiator housing;

4 - Closed contour of the vertical rack of the radiator housing;

5 - the rib of the radiator housing;

6 - Through channels of the radiator housing;

7 - Channel of the vertical rack of the radiator casing to accommodate the profile plate and / or the profile pipe;

8 - Grooves for fastening the power supply to the base of the radiator body;

9 - End cap attachment unit;

10 - Channel for attaching a transparent screen;

11 - Profile-plate;

12 - Profile-pipe;

13 - Risks of longitudinal basing of fasteners;

14 - Plug;

15 - End cover for profile-plate;

16 - End cover for a profile-pipe;

17 - through slots of the end cover in the area of through channels of the radiator housing;

18 - Through slots of the end cover along the perimeter of the central compartment;

19 - Monolithic translucent protective screen with lenses;

20 - screen lens;

21 - Outer open cavity of the screen;

22 - Screen partition;

23 - Hole for sealing the contact area of the printed circuit board;

24 - the seat for attaching the screen to the body;

25 - Inner groove of the screen;

26 - Screen groove;

27 - Hole for the output of wires;

28 - Guide pins of the screen.

Implementation of the utility model

The LED luminaire is carried out as follows.

Based on the required power and radiation pattern, the following are selected:

- the required number of light modules, the type of LEDs, their topology on the printed circuit board, the corresponding number of lenses and their geometry;

- an extruded body 1 of the required length is selected for the selected number of light modules, as well as the type and number of power sources.

The light (s) modules (s) are installed in the housing 1. The fixation is carried out with screws along the holes in the board.

When several light modules are set, they are interconnected by wires soldered to the contacts of the printed circuit boards. The contacts of the outermost light module are also used for connection to the power supply. When configured with one light module, the latter is connected to the power supply. The wires soldered to the contacts of the outer board are connected to the sealed lead-in of the power supply.

The light (s) modules (s) are (are) covered by a monolithic translucent screen 19 with lenses 20, which is based on guide pins 28 along the holes in the boards. The fastening is carried out with screws, through the provided channels 10 in the housing 1. The screen has seats 24 for this. Before that, a sealing sealing cord is laid in the screen groove 26, which is based by aligning the cord petals and the corresponding grooves 26. As a result of the basing, the LEDs are located under the corresponding lenses, the light-emitting zone is sealed with a sealing cord, and the wires end up in the channel of the inner groove of the screen 25, which has an opening 23 on top for pouring the sealant. Thus, the sealing of the joints is easily controlled - until the cavity is completely filled, the process is regulated in terms of time and consumption of the sealant.

After the power supply is connected, it is mounted to the corresponding vertical grooves 8 on the base 2 of the radiator housing 1 and fixed with screws.

After that, if it is intended to use the luminaire in a suspended or ceiling version, the profile-plate 11 is installed by inserting it into the corresponding channels 7 of the radiator housing 1 and fixing it with screws along the longitudinal risks 13 of the radiator housing 1 specially provided for these purposes.

Next, end caps 15 are mounted, fixed with screws along the attachment points 9 of the radiator housing 1.

Installation of the luminaire in the suspended version is carried out using fasteners (bolts, screws, eye-bolts), installed along the longitudinal risks 13 profile-plates 7.

If it is planned to use a lamp with installation on a console, then in addition to installing a profile plate 11, a pipe profile 12 is inserted into the radiator housing 1 from the opposite side. in the T-shaped groove of the profile-pipe 12. To exclude the ingress of moisture into the console through the profile-pipe 12, the latter is closed with a plug 14, in which a power cable seal is provided. The luminaire is closed with side covers 15 and 16 from the side of the profile-plate 11 and the profile-pipe 12, respectively.

The utility model is industrially applicable and can be used for serial production.

Claims (7)

1. LED lamp, containing a radiator housing, at least one LED module, a supporting element, an external power source, characterized in that the radiator housing is made of a heat-conducting material in the form of an extended symmetrical thin-walled H-shaped cross-section with a horizontal base in the form of a plate and vertical lateral longitudinal posts made in the form of closed contours, which are divided inside by longitudinal ribs into several cavities, forming heat-removing through channels, in which the inner surfaces have ribbing; longitudinal fastening channels are made in the upper part of the side struts on the inner side, and on the upper surface of the base there are protruding longitudinal grooves; the presence of an internal compartment bounded by the base of the radiator case, its vertical struts and a supporting element, in which a power source is installed to the protruding grooves of the radiator case base by means of screws; the presence of a monolithic translucent protective screen made of impact-resistant material with lenses covering at least one light module, with the organization of independent sealing of two zones: the light-emitting zone of the printed circuit board of the light module and the contact area of the board connection, and the sealing of the first zone is achieved by squeezing the sealing cord having a closed loop and based in the inner part of the screen along several troughs, and the second zone is sealed in the cavity of the inner end groove of the screen, in which the wires are placed, and is carried out by pouring the sealant through the hole until it is completely filled; the execution of end caps with slots corresponding to the space of the through channels of the vertical struts of the radiator housing, as well as additional slots along the perimeter of the inner compartment. 2. A light-emitting diode lamp according to claim 1, characterized in that it comprises a profile-plate made of an drawn profile as a supporting element, having counterparts for installation in the corresponding longitudinal fastening channels of the radiator housing. 3. The light-emitting diode lamp according to claim. 2, characterized in that both end caps are made corresponding to the profile of the body-radiator and the profile-plate. 4. The light-emitting diode lamp according to claim 1, characterized in that it contains both a profile-plate and a profile-pipe made of a stretched profile and having counterparts for installation in the corresponding longitudinal fastening channels of the radiator body, with its opposite sides. 5. The LED lamp according to claim 4, characterized in that a plug is installed between the profile-plate and the profile-pipe. 6. The light-emitting diode lamp according to claim 4, characterized in that one end cap is made corresponding to the profile of the radiator body and the profile-plate, and the other corresponding to the profile of the radiator body and the profile-pipe. 7. The light-emitting diode lamp according to claim 4, characterized in that the power source is attached to the grooves of the base of the radiator housing in the area of the profile-plate location.

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