CN212005209U - COB light source and lamp - Google Patents

Abstract

The utility model discloses a COB light source and have its lamps and lanterns, the COB light source includes the base plate, is equipped with zero line contact, live wire contact and luminescence chip on the base plate, the base plate is the rectangle form of vertical setting, the length of base plate is less than the height, zero line contact is located the left side below of luminescence chip, the live wire contact is located the right side below of luminescence chip; a first distance is arranged between the zero line contact and the left edge of the substrate, a second distance is arranged between the zero line contact and the lower edge of the substrate, a third distance is arranged between the live line contact and the right edge of the substrate, and a fourth distance is arranged between the live line contact and the lower edge of the substrate. Certain intervals are kept between the zero line contact and the live line contact and the edge of the substrate, the safety requirement of creepage distance is met, and higher voltage can be directly accessed.

Description

COB light source and lamp

Technical Field

The utility model relates to a LED lighting technology field, in particular to COB light source and lamps and lanterns.

Background

The COB light source is a high-light-efficiency integrated surface light source technology which directly pastes an LED chip on a mirror surface metal substrate with high light reflection rate; the COB light source is the integrated area source of high power, can all work at low pressure state according to the light exit area and the overall dimension of product appearance structural design light source, current COB light source, need set up the transformer and just can insert 220V standard voltage commonly used, and application scope is little, and the practicality is not strong, has restricted the popularization and development of LED lamps and lanterns.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a COB light source and lamps and lanterns.

According to the utility model discloses COB light source of first aspect embodiment, including the base plate, be equipped with zero line contact, live wire contact and luminescence chip on the base plate, the base plate is the rectangle form of vertical setting, the length of base plate is less than the height, zero line contact locates the left side below the luminescence chip, the live wire contact locates the right side below the luminescence chip; a first distance is arranged between the zero line contact and the left edge of the substrate, a second distance is arranged between the zero line contact and the lower edge of the substrate, a third distance is arranged between the live line contact and the right edge of the substrate, and a fourth distance is arranged between the live line contact and the lower edge of the substrate.

According to the utility model discloses COB light source has following technological effect at least: certain space is kept between the zero line contact and the live line contact and the edge of the substrate, so that the safety requirement of creepage distance is met, and higher voltage can be directly accessed; in addition, through setting up the base plate into rectangle, zero line contact and live wire contact and all setting up in the below of emitting light chip, reduced the base plate size, when reduction in production cost the utility model discloses an application scope is wider.

According to some embodiments of the invention, the first distance, the second distance, the third distance and the fourth distance are not less than five millimeters.

According to the second aspect of the present invention, the lamp comprises a lamp barrel, a light source base and the above COB light source, wherein the lamp barrel is internally provided with a heat dissipation base, the light source base is arranged in front of the heat dissipation base, and the COB light source is arranged between the heat dissipation base and the light source base; a groove is formed in the position, corresponding to the substrate, of the light source seat, the substrate is embedded in the groove, and a first through hole extending forwards and backwards is formed in the position, corresponding to the light-emitting chip, of the light source seat; the light source seat is detachably connected with the heat dissipation seat.

According to the utility model discloses lamps and lanterns have following technological effect at least: through setting up foretell COB light source, the utility model discloses a lamps and lanterns can the higher voltage of direct access, and application scope is wide.

According to the utility model discloses a some embodiments, be equipped with the second through-hole that extends around on the light source seat, the zero line contact with the live wire contact is all located second through-hole rear side.

According to some embodiments of the utility model, the bottom of light source seat is equipped with the first breach of upwards sunken, the top of first breach with second through-hole intercommunication.

According to the utility model discloses a some embodiments, be equipped with the back up beam of horizontal setting on the light source seat, the back up beam is located the front side or the rear side of first breach, the left end of back up beam, right-hand member are located respectively the left side, the right side of first breach.

According to some embodiments of the utility model, the light source seat with the heat dissipation seat passes through bolted connection.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a front view of a lamp according to an embodiment of the present invention;

fig. 2 is a left side view of the structure of the lamp according to the embodiment of the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is an enlarged schematic view of the COB light source of FIG. 1;

fig. 5 is an enlarged rear view of the light source mount of fig. 1.

Reference numerals:

the light tube 110, the heat sink 120, the COB light source 200, the substrate 210, the light emitting chip 220, the neutral contact 230, the hot contact 240, the first space 251, the second space 252, the third space 253, the fourth space 254, the light source socket 300, the groove 310, the first through hole 320, the second through hole 330, and the reinforcing beam 340.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "a" or "an" mean one or more, the terms "a" or "an" mean two or more, the terms larger than, smaller than, exceeding, and the like are understood to include the number, and the terms "larger than, smaller than, within, and the like are understood to include the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

The COB light source and the lamp according to the embodiments of the present invention are described below with reference to fig. 1 to 5.

According to the utility model discloses COB light source 200 of first aspect embodiment, including base plate 210, be equipped with zero line contact 230, live wire contact 240 and luminescence chip 220 on the base plate 210, base plate 210 is the rectangle form of vertical setting, and the length of base plate 210 is less than the height, and zero line contact 230 locates the left side below of luminescence chip 220, and live wire contact 240 locates the right side below of luminescence chip 220; a first spacing 251 is provided between the neutral contact 230 and the left edge of the substrate 210, a second spacing 252 is provided between the neutral contact 230 and the lower edge of the substrate 210, a third spacing 253 is provided between the hot contact 240 and the right edge of the substrate 210, and a fourth spacing 254 is provided between the hot contact 240 and the lower edge of the substrate 210.

For example, as shown in fig. 4, the neutral contact 230 and the hot contact 240 are symmetrically disposed, i.e., the second distance 252 is equal to the fourth distance 254; the first distance 251, the second distance 252, the third distance 253 and the fourth distance 254 can be set to be not less than five millimeters, the minimum creepage distance is in accordance with the minimum creepage distance when the working voltage does not exceed 250V in the national mandatory lamp safety standard (GB7000.1-2015), and the household circuit can be directly accessed without connecting a transformer.

A certain distance is kept between the zero line contact 230 and the live line contact 240 and the edge of the substrate 210, so that the safety requirement of creepage distance is met, and higher voltage can be directly accessed; in addition, current COB light source 200's base plate 210 is generally the square, and two contacts set up at the diagonal angle, and this upper limb that just needs base plate 210, lower limb, left edge, right edge all leave the interval, and the utility model discloses a set up base plate 210 into rectangle, zero line contact 230 and live wire contact 240 all set up in the below of luminescence chip 220, only need leave the interval at left edge, right edge, lower limb, need not to leave the interval at the upper limb, have reduced base plate 210's size, and application scope is wider when reducing production cost.

According to the second aspect of the present invention, the lamp includes a lamp barrel 110, a light source base 300 and the COB light source 200, wherein the heat sink 120 is disposed in the lamp barrel 110, the light source base 300 is disposed in front of the heat sink 120, and the COB light source 200 is disposed between the heat sink 120 and the light source base 300; a groove 310 is formed at the position of the light source base 300 corresponding to the substrate 210, the substrate 210 is embedded in the groove 310, and a first through hole 320 extending back and forth is formed at the position of the light source base 300 corresponding to the light emitting chip 220; the light source holder 300 is detachably connected to the heat sink 120.

For example, as shown in fig. 1 to 5, the lamp barrel 110 extends forward and backward, and the lamp barrel 110 and the heat sink 120 may be an integrally formed component, which is formed by die casting, aluminum extrusion or other methods; the light source base 300 is vertically arranged in a plate shape, a rectangular groove 310 is formed in the rear side surface of the light source base 300 and is matched with the base plate 210, and the base plate 210 can be embedded into the groove 310 from the rear to the front; the light emitting chip 220 is an LED chip, the light emitting chip 220 is disposed on the front side of the substrate 210, and the light emitting chip 220 is disposed in the first through hole 320; light source seat 300 and heat dissipation seat 120 accessible buckle connection, through bolted connection or use other releasable connection modes, when selecting bolted connection, can set up the internal thread hole on heat dissipation seat 120, set up the through-hole that supplies the bolt to pass on light source seat 300, can follow bolt fastening light source seat 300 in the place ahead of light source seat 300, be convenient for assemble or split.

By arranging the COB light source 200, the lamp of the utility model can be directly connected with higher voltage, and the application range is wide; meanwhile, the lower substrate 210 is closely attached to the heat sink 120 under the restriction of the light source base 300, so that the heat dissipation effect is good.

In some embodiments of the present invention, a second through hole 330 extending back and forth is disposed on the light source base 300, and the neutral contact 230 and the live contact 240 are disposed behind the second through hole 330. The hot contact 240, the neutral contact 230, and the light emitting chip 220 are generally disposed on the same side of the substrate 210, i.e., on the front side of the substrate 210; the provision of the second through hole 330 can facilitate the routing of live and neutral wires.

In addition, in some embodiments of the present invention, an upwardly concave first notch may be further disposed at the bottom of the light source base 300, and the top of the first notch is communicated with the second through hole 330. The front and back dimensions of the first notch can be equal to the front and back dimensions of the second through hole 330, that is, the lower portion of the second through hole 330 extends downward until penetrating the lower edge of the light source base 300, so that the live wire and the zero wire led out from the live wire interface and the zero wire interface can pass through the first notch downward from the second through hole 330 and then extend backward to be connected to the related circuit inside the light tube 110 without bypassing the light source base 300, thereby facilitating wiring.

In some embodiments of the present invention, a reinforcing beam 340 is transversely disposed on the light source base 300, the reinforcing beam 340 is disposed on the front side or the rear side of the first notch, and the left end and the right end of the reinforcing beam 340 are disposed on the left side and the right side of the first notch respectively. The reinforcing beam 340 can reinforce the structure of the light source base 300, and the reinforcing beam 340 can be arranged on the front side of the first notch to prevent the live wire and the zero wire led out from the live wire interface and the zero wire interface from bouncing forward and prevent the live wire and the zero wire from blocking the light emitted by the light emitting chip 220; the light source holder 300 and the reinforcing beam 340 may be integrally formed members, and may be formed by injection molding, die casting, aluminum extrusion, or other methods.

The above description is for the purpose of illustrating the preferred embodiments of the present invention, but the present invention is not limited to the illustrated embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope of the present invention defined by the appended claims.

Claims (7)

1. A COB light source which characterized in that: the luminous substrate comprises a substrate, wherein a zero line contact, a live line contact and a luminous chip are arranged on the substrate, the substrate is vertically arranged in a rectangular shape, the length of the substrate is smaller than the height of the substrate, the zero line contact is arranged on the left lower side of the luminous chip, and the live line contact is arranged on the right lower side of the luminous chip; a first distance is arranged between the zero line contact and the left edge of the substrate, a second distance is arranged between the zero line contact and the lower edge of the substrate, a third distance is arranged between the live line contact and the right edge of the substrate, and a fourth distance is arranged between the live line contact and the lower edge of the substrate.

2. The COB light source of claim 1, characterized in that: the first distance, the second distance, the third distance and the fourth distance are not less than five millimeters.

3. A light fixture, characterized by: the COB light source comprises a lamp cylinder, a light source seat and the COB light source as claimed in claim 1 or 2, wherein a heat dissipation seat is arranged in the lamp cylinder, the light source seat is arranged in front of the heat dissipation seat, and the COB light source is arranged between the heat dissipation seat and the light source seat; a groove is formed in the position, corresponding to the substrate, of the light source seat, the substrate is embedded in the groove, and a first through hole extending forwards and backwards is formed in the position, corresponding to the light-emitting chip, of the light source seat; the light source seat is detachably connected with the heat dissipation seat.

4. The luminaire of claim 3, wherein: the light source seat is provided with a second through hole extending from front to back, and the zero line contact and the live line contact are arranged on the rear side of the second through hole.

5. The luminaire of claim 4, wherein: the bottom of light source seat is equipped with the first breach of upwards sunken, the top of first breach with the second through-hole intercommunication.

6. The luminaire of claim 5, wherein: the light source seat is provided with a transversely arranged reinforcing beam, the reinforcing beam is arranged on the front side or the rear side of the first notch, and the left end and the right end of the reinforcing beam are respectively arranged on the left side and the right side of the first notch.

7. The luminaire of claim 3, wherein: the light source seat is connected with the heat dissipation seat through a bolt.

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