CN220931069U

CN220931069U - Heat dissipation backplate and projecting lamp

Info

Publication number: CN220931069U
Application number: CN202322268808.5U
Authority: CN
Inventors: 李叶生
Original assignee: Jiangmen Xinda Hardware Co ltd
Current assignee: Jiangmen Xinda Hardware Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-05-10
Anticipated expiration: 2033-08-18

Abstract

The utility model discloses a heat dissipation backboard and a projection lamp, wherein the heat dissipation backboard comprises a backboard component and a fin component, the backboard component is provided with a containing cavity, a board wall of the backboard component is concavely arranged towards the containing cavity to form a groove, the groove is provided with an opening communicated with the outside, the fin component is arranged in the groove, and the wall of the groove is abutted to the fin component. Through the structure, one plate wall of the back plate member is concavely arranged towards the accommodating cavity to form a groove, wherein the concavely arranged surface of the accommodating cavity is increased, and more heat can be transferred by the cavity wall of the accommodating cavity, so that the heat dissipation effect can be optimized, and the requirements of partial users can be met.

Description

Heat dissipation backplate and projecting lamp

Technical Field

The utility model relates to the technical field of lamps, in particular to a heat dissipation backboard and a projection lamp.

Background

In the prior art, a plate wall of a heat dissipation back plate of some projection lamps is provided with a fin piece positioned outside, wherein the fin piece can accelerate heat dissipation of a containing cavity of the heat dissipation back plate, but the heat dissipation effect can not meet the demands of partial users.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the heat dissipation backboard which can optimize the heat dissipation effect so as to meet the demands of partial users.

The utility model further provides a projection lamp with the heat dissipation backboard.

According to an embodiment of the first aspect of the present utility model, a heat dissipation back plate includes a back plate member and a fin member, the back plate member is provided with a receiving cavity, a plate wall of the back plate member is concavely disposed toward the receiving cavity to form a groove, the groove has an opening communicating with the outside, the fin member is disposed in the groove, and a wall of the groove abuts against the fin member.

The heat dissipation backboard according to the embodiment of the utility model has at least the following beneficial effects: through the structure, one plate wall of the back plate member is concavely arranged towards the accommodating cavity to form a groove, wherein the concavely arranged surface of the accommodating cavity is increased, and more heat can be transferred by the cavity wall of the accommodating cavity, so that the heat dissipation effect can be optimized, and the requirements of partial users can be met.

According to some embodiments of the utility model, the one panel wall of the back panel member is provided with a mounting bar, and the fin member is connected to the mounting bar.

According to some embodiments of the utility model, one of the plate wall and the mounting strip of the back plate member is provided with a first plug, and the other is provided with a jack, and the first plug is plugged into the jack.

According to some embodiments of the utility model, one of the fin member and the mounting bar is provided with a first notch, and the other is provided with a second insert block, and the second insert block is inserted into the first notch.

According to some embodiments of the utility model, the fin member is provided with the first notch, the mounting bar is provided with the second insert block, the second insert block is provided with a limiting notch, and when the second insert block is inserted into the first notch, the fin member is inserted into the limiting notch.

According to some embodiments of the utility model, the mounting bar is rotatably connected with a support frame, and the support frame is used for being abutted with the back plate member to enable the back plate member to be inclined by a preset angle.

According to some embodiments of the utility model, the fin members are at least three, at least three fin members are connected in sequence, at least three fin members are arranged side by side in sequence, and a gap is arranged between two adjacent fin members.

According to some embodiments of the utility model, one of the two adjacent fin members is provided with a third insert block, and the other is provided with a second notch, and the third insert block is inserted into the second notch.

According to some embodiments of the utility model, the cavity wall of the accommodating cavity is concavely provided with a mounting hole, and the mounting hole is used for connecting the luminous element.

A projector according to an embodiment of the second aspect of the utility model comprises a heat dissipating back plate as described above.

The projection lamp provided by the embodiment of the utility model has at least the following beneficial effects: through the structure, the radiating effect of the projection lamp can be optimized, so that the requirements of partial users can be met.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a block diagram of an embodiment of a heat dissipating back plate of the present utility model used in a projector;

FIG. 2 is a partially exploded view of the projector shown in FIG. 1;

FIG. 3 is another partially exploded view of the projector shown in FIG. 1;

FIG. 4 is a block diagram of the fin member and mounting strip shown in FIG. 3.

Reference numerals:

The back plate 100, the accommodating cavity 110, the mounting hole 111, the abutting table 112, the groove 120, the opening 121, the mounting block 122, the second reinforcing strip 123 and the jack 130;

The fin member 200, the first notch 210, the third insert block 220, the second notch 230, the first abutting portion 250, the second abutting portion 260, the first reinforcing strip 270;

The mounting bar 300, the first insert block 310, the second insert block 320, the limiting notch 321, the mounting part 330 and the fourth connecting hole 331;

a support 400, a fifth connection hole 410;

a light emitting member 500;

a lamp cover 600.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, if any, the first, second, third, fourth, fifth, etc. are described for the purpose of distinguishing between technical features only, and should not be construed as indicating or implying a 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 utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1 to 4, a heat dissipating back plate according to an embodiment of the present utility model includes a back plate member 100 and a fin member 200.

The front side of the back plate 100 is provided with a containing cavity 110, a plate wall on the back side of the back plate 100 is concavely arranged towards the containing cavity 110 to form a groove 120, the groove 120 is provided with an opening 121 communicated with the outside, the opening 121 is arranged backwards, the fin piece 200 is arranged in the groove 120, and the wall of the groove 120 is abutted against the fin piece 200.

By the above structure, the rear side of the back plate member 100 is concavely formed toward the accommodating cavity 110 to form a groove 120, wherein the concaved surface increases the cavity wall area of the accommodating cavity 110, and for this reason, the cavity wall of the accommodating cavity 110 can transfer more heat, so that the heat dissipation effect can be optimized to meet the needs of some users.

The fin member 200 is provided in the groove 120, and specifically, referring to fig. 1, 3 and 4, a rear panel wall of the back panel member 100 is provided with a mounting bar 300, and the fin member 200 is connected to the mounting bar 300.

The rear side wall of the back plate member 100 is provided with a mounting bar 300, specifically, referring to fig. 3 and 4, the mounting bar 300 is provided with a first insert 310, the rear side wall of the back plate member 100 is provided with an insert hole 130, and the first insert 310 is inserted into the insert hole 130.

In order to improve the connection stability between the back plate 100 and the mounting strip 300, referring to fig. 2, when the first insert 310 is inserted into the insertion hole 130, a portion of the first insert 310 is located in the accommodating cavity 110, and a user can act on the portion of the first insert 310 to form a release preventing portion, where the release preventing portion can limit the first insert 310 from being released from the insertion hole 130, and further can limit the mounting strip 300 from being released from the back plate 100. The mode of the above-mentioned actions includes punching and the like.

In some embodiments, the mounting strip 300 is provided with a jack 130, and a rear panel wall of the back panel member 100 is provided with a first insert 310, and the first insert 310 is inserted into the jack 130.

In some embodiments, the mounting bar 300 is provided with a first attachment hole, and a rear panel wall of the back panel member 100 is provided with a second attachment hole, and the second attachment hole and the first attachment hole are provided with fasteners. Wherein the fastener is provided as a bolt or the like.

In some embodiments, the mounting strip 300 is provided with a clamping block, and a plate wall at the rear side of the back plate member 100 is provided with a buckling hole, and the clamping block is clamped in the buckling hole.

The fin member 200 is connected to the mounting bar 300, specifically, referring to fig. 3 and 4, the fin member 200 is provided with a first notch 210, the mounting bar 300 is provided with a second insert 320, and the second insert 320 is inserted into the first notch 210.

With the above structure, the fin member 200 is detachably connected with the mounting strip 300, so that the maintenance work of the fin member 200 at a later stage can be facilitated.

In the present embodiment, referring to fig. 3 and 4, the fin member 200 has two first notches 210, and the mounting bar 300 has two second inserting blocks 320, and the two second inserting blocks 320 are inserted into the two first notches 210 in a one-to-one correspondence.

With the above structure, the two second insertion blocks 320 are inserted into the two first notches 210 in a one-to-one correspondence manner, so as to limit the fin member 200 from moving up and down relative to the mounting bar 300.

In this embodiment, referring to fig. 4, the second insert blocks 320 are provided with limiting gaps 321, the number of the limiting gaps 321 is the same as that of the fin members 200, and when the second insert blocks 320 are inserted into the corresponding first gaps 210, the fin members 200 are inserted into the limiting gaps 321 in a one-to-one correspondence.

With the above structure, the fin members 200 are inserted into the limiting notches 321 in a one-to-one correspondence manner, so as to limit the fin members 200 from moving left and right relative to the mounting bar 300.

In some embodiments, the fin member 200 is provided with three first notches 210, and the mounting strip 300 is provided with three second plugs 320, and the three second plugs 320 are inserted into the three first notches 210 in a one-to-one correspondence.

In some embodiments, the fin member 200 has four first notches 210, and the mounting bar 300 has four second inserting blocks 320, and the four second inserting blocks 320 are inserted into the four first notches 210 in a one-to-one correspondence.

In some embodiments, the fin member 200 is provided with a second insert 320, the mounting bar 300 is provided with a first notch 210, and the second insert 320 is inserted into the first notch 210.

In some embodiments, the fin member 200 is provided with a second insert 320, and the mounting bar 300 is provided with a third connecting hole, and the second insert 320 is screwed to the third connecting hole.

In the present embodiment, referring to fig. 3 and 4, the fin member 200 is provided with the second abutment portion 260 on the rear side thereof, and the fin member 200 abuts against the mounting bar 300 through the second abutment portion 260. Wherein the second abutting portion 260 is located between the two first notches 210.

In the present embodiment, referring to fig. 3 and 4, the fin member 200 is concavely provided with the first reinforcing strips 270 on one surface thereof, the first reinforcing strips 270 are disposed in the up-down direction, and the first reinforcing strips 270 can reduce the probability of bending the fin member 200.

The groove wall of the groove 120 abuts against the fin member 200, specifically, referring to fig. 3 and 4, the front side of the fin member 200 is provided with a first abutting portion 250, and the fin member 200 abuts against the groove bottom wall of the groove 120 through the first abutting portion 250.

In this embodiment, referring to fig. 1 and 3, the mounting bar 300 is rotatably connected with a support frame 400, and the support frame 400 is used to abut against the back plate 100 on the bearing surface, so that the back plate 100 is inclined by a preset angle.

The installation strip 300 is rotationally connected with a support 400, specifically, referring to fig. 3, two ends of the installation strip 300 are bent to form an installation portion 330, the two installation portions 330 are oppositely arranged, when the installation strip 300 is connected to a rear side panel wall of the back panel 100, the two installation portions 330 are respectively arranged at the left side and the right side of the back panel 100, the installation portions 330 are provided with fourth connecting holes 331, the support 400 is in a 匚 -shaped strip structure, two ends of the support 400 are respectively provided with a fifth connecting hole 410, two ends of the support 400 are respectively arranged at the left side and the right side of the installation strip 300, and the two fifth connecting holes 410 and the two fourth connecting holes 331 are correspondingly provided with fasteners (not identified in the figure). Wherein the fastener is provided as a bolt; the fifth connection hole 410 is a through hole; the fourth connection hole 331 is a threaded hole.

In this embodiment, referring to fig. 3, the fastener is sleeved with a spacer (not shown) before penetrating through the fifth connecting hole 410 and the corresponding fourth connecting hole 331.

In the present embodiment, referring to fig. 3 and 4, a plurality of fin members 200 are provided, the plurality of fin members 200 are connected in sequence, the plurality of fin members 200 are arranged side by side in sequence in the left-right direction, and a gap s is provided between two adjacent fin members 200.

It will be appreciated that a plurality of fin portions 200 are connected in sequence to form a fin assembly.

It is understood that the plurality of fin elements 200 is at least three fin elements 200.

The fin members 200 are sequentially connected, specifically, referring to fig. 3, one of two adjacent fin members 200 is provided with a third insert block 220, the other is provided with a second notch 230, and the third insert block 220 is inserted into the second notch 230.

With the above structure, the adjacent two fin members 200 are detachably connected, so that the maintenance work on the fin members 200 at a later stage can be facilitated.

In the present embodiment, referring to fig. 3 and 4, one of the two top sides respectively located on the two adjacent fin members 200 is provided with a third insert block 220, the other is provided with a second notch 230, the third insert block 220 is inserted into the second notch 230, one of the two bottom sides respectively located on the two adjacent fin members 200 is provided with the third insert block 220, the other is provided with the second notch 230, and the third insert block 220 is inserted into the second notch 230.

With the above structure, the top sides of the adjacent two fin pieces 200 are connected to each other, and the bottom sides of the adjacent two fin pieces 200 are connected to each other, so that the connection stability of the adjacent two fin pieces 200 can be improved.

In some embodiments, two adjacent fin members 200 are directly connected by welding.

In this embodiment, referring to fig. 2, the cavity wall of the accommodating cavity 110 is concavely provided with a mounting hole 111, the bottom wall of the groove 120 is provided with a mounting block 122, the mounting hole 111 is located in the mounting block 122, and the mounting hole 111 is used for connecting the light emitting element 500. Wherein, the number of the mounting holes 111 is the same as that of the mounting blocks 122, and the mounting holes 111 are located in the mounting blocks 122 in a one-to-one correspondence.

In some embodiments, to locate the fin assembly in the groove 120, two mounting blocks 122 are provided on the bottom wall of the groove 120, wherein two fin members 200 are provided with third notches, and the two mounting blocks 122 are inserted in the two third notches in a one-to-one correspondence.

With the above structure, the mounting block 122 can position the fin assembly, and can also be provided with the positioning hole 111.

In some embodiments, three fin members 200 are provided with third notches, the bottom wall of the groove 120 is provided with mounting blocks 122, the number of the mounting blocks 122 is the same as that of the third notches, and the three mounting blocks 122 are inserted into the three third notches in a one-to-one correspondence.

In some embodiments, four fin members 200 are provided with third notches, the bottom wall of the groove 120 is provided with mounting blocks 122, the number of the mounting blocks 122 is the same as that of the third notches, and four mounting blocks 122 are inserted in the four third notches in a one-to-one correspondence.

In the present embodiment, referring to fig. 2 and 3, the bottom wall of the accommodating chamber 110 is recessed rearward to form the second reinforcing bars 123 at the bottom wall of the groove 120, the second reinforcing bars 123 being disposed in the left-right direction.

The utility model also provides a projection lamp, which comprises the heat dissipation backboard, the light emitting piece 500 and the lamp cover 600. Through the structure, the radiating effect of the projection lamp can be optimized, so that the requirements of partial users can be met.

Referring to fig. 2, the accommodating cavity 110 of the heat dissipation backplate is provided with an accommodating opening (not shown) disposed forward, the light emitting member 500 is mounted to the accommodating cavity 110 through the accommodating opening, the lamp cover 600 is mounted to the backplate 100, and the lamp cover 600 seals the accommodating opening. Wherein, the material of the lamp cover 600 is a light-permeable material.

The light emitting member 500 is mounted in the accommodating cavity 110, specifically, referring to fig. 2, the light emitting member 500 is provided with two sixth connecting holes (not labeled in the drawing), and the two sixth connecting holes and the two positioning holes 111 are correspondingly provided with fasteners (not labeled in the drawing) in a penetrating manner, wherein the fasteners are configured as bolts or the like.

In some embodiments, when the positioning holes 111 are provided in three, the light emitting member 500 is provided with three sixth coupling holes, and the three sixth coupling holes and the three positioning holes 111 are penetrated with fasteners in one-to-one correspondence.

In some embodiments, when the positioning holes 111 are provided in four, the light emitting member 500 is provided with four sixth coupling holes, and the four sixth coupling holes and the three positioning holes 111 are penetrated with fasteners in one-to-one correspondence.

The light emitting member 500 includes a lamp plate (not shown) and a lamp cover (not shown), a plurality of LED beads are provided on the lamp plate, the lamp plate is provided with the above-mentioned two sixth connection holes, the lamp cover is hollow, the lamp cover is provided on the front side of the lamp plate, the plurality of LED beads are all located at one end opening of the lamp cover, and the other end opening of the lamp cover is provided toward the lamp cover 600.

The lamp cover 600 is mounted on the back plate member 100, specifically, referring to fig. 2, the wall of the accommodating cavity 110 is provided with an abutment table 112, the lamp cover 600 is embedded in the placement opening, the lamp cover 600 abuts against the abutment table 112, and the wall of the accommodating cavity 110 is connected to the peripheral side of the lamp cover 600 through an adhesive layer.

In some embodiments, the wall of the accommodating cavity 110 is provided with an abutment table 112 in a ring manner, the abutment table 112 is provided with a seventh connecting hole, the lamp cover 600 is provided with an eighth connecting hole, the lamp cover 600 is embedded at the placement port, the lamp cover 600 abuts against the abutment table 112, and the eighth connecting hole on the lamp cover 600 and the seventh connecting hole on the abutment table 112 are provided with fasteners in a penetrating manner. Wherein the fastener is provided as a bolt or the like.

In some embodiments, the wall of the accommodating cavity 110 is provided with an abutment table 112, the abutment table 112 is provided with a buckling hole, the lamp cover 600 is provided with a clamping block, the lamp cover 600 is embedded in the placement opening, the lamp cover 600 is abutted with the abutment table 112, and the clamping block on the lamp cover 600 is clamped in the buckling hole on the abutment table 112.

Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications and substitutions without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims

1. A heat dissipating back plate, characterized in that: comprising

A back plate member (100) provided with a receiving cavity (110), wherein a plate wall of the back plate member (100) is concavely arranged towards the receiving cavity (110) to form a groove (120), and the groove (120) is provided with an opening (121) communicated with the outside;

and the fin piece (200) is arranged in the groove (120), and the groove wall of the groove (120) is abutted with the fin piece (200).

2. A heat sink back plate according to claim 1, wherein:

The back plate member (100) is provided with a mounting strip (300) on the plate wall, and the fin member (200) is connected to the mounting strip (300).

3. A heat sink back plate according to claim 2, wherein:

One of the plate wall and the mounting strip (300) of the back plate piece (100) is provided with a first inserting block (310), the other is provided with a jack (130), and the first inserting block (310) is inserted into the jack (130).

4. A heat sink back plate according to claim 2, wherein:

one of the fin piece (200) and the mounting strip (300) is provided with a first notch (210), the other is provided with a second insert block (320), and the second insert block (320) is inserted into the first notch (210).

5. A heat sink back plate according to claim 4, wherein:

The fin piece (200) is provided with the first notch (210), the mounting strip (300) is provided with the second inserting block (320), the second inserting block (320) is provided with a limiting notch (321), and when the second inserting block (320) is inserted into the first notch (210), the fin piece (200) is inserted into the limiting notch (321).

6. A heat sink back plate according to claim 2, wherein:

the mounting strip (300) is rotationally connected with a support frame (400), and the support frame (400) is used for being abutted to the back plate (100) on a bearing surface so that the back plate (100) is inclined by a preset angle.

7. A heat sink back plate according to claim 1, wherein:

The fin pieces (200) are arranged to be at least three, at least three fin pieces (200) are connected in sequence, at least three fin pieces (200) are arranged side by side in sequence, and gaps(s) are formed between two adjacent fin pieces (200).

8. A heat sink back plate according to claim 7, wherein:

one of the two adjacent fin pieces (200) is provided with a third inserting block (220), the other fin piece is provided with a second notch (230), and the third inserting block (220) is inserted into the second notch (230).

9. A heat sink back plate according to claim 1, wherein:

The cavity wall of the accommodating cavity (110) is concavely provided with a mounting hole (111), and the mounting hole (111) is used for connecting a light emitting part (500).

10. The projecting lamp, its characterized in that: a heat dissipating back plate comprising the heat dissipating back plate of any of claims 1-9.