CN216790122U - Lamp panel and spotlight - Google Patents
Lamp panel and spotlight Download PDFInfo
- Publication number
- CN216790122U CN216790122U CN202220189750.8U CN202220189750U CN216790122U CN 216790122 U CN216790122 U CN 216790122U CN 202220189750 U CN202220189750 U CN 202220189750U CN 216790122 U CN216790122 U CN 216790122U
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- China
- Prior art keywords
- heat
- circuit board
- electrode
- welding position
- lamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003466 welding Methods 0.000 claims abstract description 106
- 239000011324 bead Substances 0.000 claims abstract description 46
- 239000000758 substrate Substances 0.000 claims abstract description 28
- 238000002955 isolation Methods 0.000 claims abstract description 9
- 230000017525 heat dissipation Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000011049 pearl Substances 0.000 description 11
- 230000002349 favourable effect Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
Images
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a lamp panel and a spotlight, wherein the lamp panel comprises: the lamp bead comprises a bead body, wherein the bottom of the bead body is provided with a first electrode welding position, a second electrode welding position and a heat conduction welding position, and an isolation gap is formed between every two first electrode welding positions, every two second electrode welding positions and every two heat conduction welding positions; the circuit board is provided with a mounting position for mounting the lamp bead, the positive electrode of the circuit board is electrically connected with the first electrode welding position, and the negative electrode of the circuit board is electrically connected with the second electrode welding position; and the heat conduction substrate is welded with the heat conduction welding position. The technical scheme of the utility model is beneficial to improving the heat dissipation effect and the safety of the lamp panel.
Description
Technical Field
The utility model relates to the technical field of spot lamps, in particular to a lamp panel and a spot lamp.
Background
Current lamp plate, lamp pearl are only two welding positions usually, and two welding positions weld with the positive pole and the negative pole of power respectively. The lamp plate sets up heat radiation structure for needs to when improving the radiating efficiency of lamp plate, the lamp pearl does not have the welding position to be used for the independent lug weld of heat radiation structure, is unfavorable for the heat dissipation of lamp plate.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a lamp panel, and aims to improve the heat dissipation effect and the safety of the lamp panel.
In order to achieve the above object, the lamp panel provided by the present invention is used for a spotlight, and the lamp panel includes:
the lamp bead comprises a bead body, wherein the bottom of the bead body is provided with a first electrode welding position, a second electrode welding position and a heat conduction welding position, and an isolation gap is formed between every two first electrode welding positions, every two second electrode welding positions and every two heat conduction welding positions;
the circuit board is provided with a mounting position for mounting the lamp bead, the positive electrode of the circuit board is electrically connected with the first electrode welding position, and the negative electrode of the circuit board is electrically connected with the second electrode welding position;
and the heat conduction substrate is welded with the heat conduction welding position.
Optionally, a mounting hole is formed in the circuit board, the positive electrode and the negative electrode of the circuit board are located at positions close to the mounting hole on the surface of the circuit board, the heat conducting substrate is welded to the heat conducting welding position through the mounting hole, and the circuit board is located between the lamp beads and the heat conducting substrate.
Optionally, the heat conducting substrate includes a plate body and a heat conducting boss disposed on the plate body, and the heat conducting boss penetrates through the mounting hole and is welded to the heat conducting welding position.
Optionally, the cross section of the heat conducting boss is any one of a circle, an ellipse, a square and a triangle.
Optionally, an avoiding gap is formed between every two adjacent bosses, and the size of the avoiding gap is 1 mm-3 mm.
Optionally, the cross-sectional area of the heat-conducting boss is larger than the respective areas of the first electrode welding site, the second electrode welding site and the heat-conducting welding site.
Optionally, after the heat-conducting boss is welded to the heat-conducting welding position, a gap is formed between the heat-conducting boss and the first electrode welding position and between the heat-conducting boss and the second electrode welding position.
Optionally, the thickness of the plate body is 1mm to 3 mm; and/or the height of the heat conduction boss is 0.15 mm-1 mm.
Optionally, the circuit board is a flexible circuit board, and the thickness of the flexible circuit board is 0.15 mm-1 mm.
The utility model also provides a spotlight, which comprises a lamp panel, wherein the lamp panel comprises:
the lamp bead comprises a bead body, wherein the bottom of the bead body is provided with a first electrode welding position, a second electrode welding position and a heat conduction welding position, and an isolation gap is formed between every two first electrode welding positions, every two second electrode welding positions and every two heat conduction welding positions;
the circuit board is provided with a mounting position for mounting the lamp bead, the positive electrode of the circuit board is electrically connected with the first electrode welding position, and the negative electrode of the circuit board is electrically connected with the second electrode welding position;
and the heat conduction substrate is welded with the heat conduction welding position.
In the technical scheme of the utility model, the lamp bead is provided with the first electrode welding position, the second electrode welding position and the heat conduction welding position which are mutually independent (isolated), so that the lamp bead can be connected with a power supply through the first electrode welding position and the second electrode welding position and can also be directly welded on the heat conduction substrate through the heat conduction welding position, and heat generated by the luminescence of the lamp bead can be directly transmitted to the heat conduction substrate and dissipated through the heat conduction substrate; simultaneously, the electrically conductive and heat conduction separation of lamp pearl in this embodiment realizes "electric heat separation" for the heat conduction and the electrically conductive mutual independence of lamp pearl avoid heat conduction to influence the electric conduction of lamp pearl, are favorable to improving the stability of lamp plate work.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of a lamp panel according to the present invention;
FIG. 2 is an enlarged view of a portion of one embodiment at A in FIG. 1;
fig. 3 is an enlarged view of a portion of another embodiment at a in fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
200 | Heat-conducting |
| 210 | |
220 | |
| 300 | |
310 | |
| 325 | |
320 | First |
| 330 | Second |
350 | Heat conducting |
| 110 | Mounting hole |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, and includes a technical scheme a, a technical scheme B, and a technical scheme that a and B meet simultaneously; in addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model mainly provides a lamp panel which is mainly applied to a spotlight and can be used for improving the using capability of the spotlight by increasing the heat dissipation effect and the use safety of the lamp panel.
The specific structure of the lamp panel will be mainly described below.
Referring to fig. 1 to 3, in an embodiment of the present invention, the lamp panel is used for a spotlight, and the lamp panel includes:
the lamp bead 300 comprises a bead body 310, a first electrode welding position 320, a second electrode welding position 330 and a heat conduction welding position 350 are arranged at the bottom of the bead body 310, and an isolation gap 325 is formed between every two first electrode welding positions 320, every two second electrode welding positions 330 and every two heat conduction welding positions 350;
the lamp bead welding structure comprises a circuit board 100, wherein a mounting position is arranged on the circuit board 100 and used for mounting a lamp bead 300, the positive electrode of the circuit board 100 is electrically connected with a first electrode welding position 320, and the negative electrode of the circuit board 100 is electrically connected with a second electrode welding position 330;
a heat conducting substrate 200, the heat conducting substrate 200 being welded to the heat conducting welding site 350.
Specifically, in this embodiment, the lamp beads 300 may have many forms, and the LED lamp beads 300 are taken as an example. There may be many lights emitted by the lamp bead 300, such as white and warm lights. The lamp bead 300 comprises a bead body 310, three welding positions are arranged at the bottom of the bead body 310, the welding positions can be three positions, and three grooves or three bosses can be provided. In some embodiments, solder paste or other substance capable of being soldered may be disposed on the soldering site, and of course, in some embodiments, the soldering bump may be made of solder paste or other substance capable of being soldered. The three welding sites may be arranged in a variety of ways, such as a thermally conductive welding site 350 positioned between the first electrode welding site 320 and the second electrode welding site 330. An isolation gap 325 is provided between the heat-conducting welding site 350 and the first electrode welding site 320, an isolation gap 325 is provided between the heat-conducting welding site 350 and the second electrode welding site 330, and an isolation gap 325 is provided between the first electrode welding site 320 and the second electrode welding site 330.
The Circuit board 100 may be a conventional hard Circuit board or a Flexible Printed Circuit board (FPC) made of polyimide or polyester film as a base material, and has high reliability and excellent flexibility. The circuit board 100 is a flexible circuit board 100, and the thickness of the flexible circuit board 100 is 0.15 mm-1 mm. The heat conducting substrate 200 may be made of a material with high thermal conductivity, such as a metal like copper, a ceramic with high thermal conductivity, etc., and the heat conducting substrate 200 is exemplified by a copper plate. The thickness of the plate body 210 is 1mm to 3 mm; and/or the height of the heat conduction boss 220 is 0.15 mm-1 mm.
In this embodiment, the first electrode welding position 320, the second electrode welding position 330 and the heat conduction welding position 350 which are independent (isolated) from each other are arranged on the lamp bead 300, so that the lamp bead 300 can be connected to a power supply through the first electrode welding position 320 and the second electrode welding position 330, and can also be directly welded on the heat conduction substrate 200 through the heat conduction welding position 350, so that heat generated by light emission of the lamp bead 300 can be directly transferred to the heat conduction substrate 200 and dissipated through the heat conduction substrate 200; simultaneously, electrically conductive and the heat conduction separation of lamp pearl 300 in this embodiment realize "electric heat separation" for the heat conduction and the electrically conductive mutual independence of lamp pearl 300 avoid heat conduction to influence the electric conduction of lamp pearl 300, are favorable to improving the stability of lamp plate work.
In some embodiments, in order to improve the compactness of the structure and more reasonably utilize the space, the circuit board 100 is provided with a mounting hole 110, the positive electrode and the negative electrode of the circuit board 100 are located on the surface of the circuit board 100 near the mounting hole 110, the heat-conducting substrate 200 is welded to the heat-conducting welding position 350 through the mounting hole 110, and the circuit board 100 is located between the lamp bead 300 and the heat-conducting substrate 200.
Specifically, in this embodiment, the lamp bead 300 is mounted on one board surface of the circuit board 100, and the heat conducting substrate 200 is disposed on the other board surface of the circuit board 100. In some embodiments, to further improve the heat dissipation effect and the compactness of the structure, one board surface of the heat conducting substrate 200 is attached to the board surface of the circuit board 100. The heat conducting substrate 200 is welded with the heat conducting welding position 350 of the lamp bead 300 through the mounting hole 110, the first electrode welding position 320 of the lamp bead 300 is welded with the positive electrode on the circuit board 100, and the second electrode welding position 330 of the lamp bead 300 is welded with the negative electrode of the circuit board 100. So, the compactness of structure is improved in the time of can make full use of space to and avoid heat conduction base plate 200 and first electrode welding position 320 and second electrode welding position 330 butt, be favorable to improving the safety in utilization of lamp plate.
In some embodiments, to further improve the heat conduction effect, the heat conduction substrate 200 includes a plate body 210 and a heat conduction boss 220 disposed on the plate body 210, and the heat conduction boss 220 is welded to the heat conduction welding site 350 through the mounting hole 110. The heat conduction boss 220 penetrates through the mounting hole 110 and is welded with the heat conduction welding position 350, so that the heat conduction boss 220 can be directly attached to the bottom of the lamp bead 300. The cross-sectional shape of the heat conducting boss 220 may be various, for example, the cross-sectional shape of the heat conducting boss 220 is any one of a circle, an ellipse, a square and a triangle. The shape can be circular to more with the bottom contact of lamp pearl 300, thereby increase area of contact, be favorable to improving the radiating efficiency.
In some embodiments, in order to further improve the heat dissipation effect, an avoidance gap is formed between two adjacent bosses, and the size of the avoidance gap is 1 mm-3 mm. The size of the avoiding gap influences the distance between two adjacent lamp beads 300, the size of the avoiding gap cannot be too small, and when the size of the avoiding gap is smaller than 1mm, the two adjacent lamp beads 300 are too close to each other, so that heat dissipation is not facilitated, and arrangement of the lamp beads 300 is also not facilitated; dodge the size in clearance and can not be too big, when being greater than 3mm, the distance between two adjacent lamp pearls 300 is too far, is unfavorable for the overall arrangement of lamp pearl 300 for the efficiency and the effect of lamp plate can not obtain the guarantee.
In some embodiments, the cross-sectional area of the thermally conductive boss 220 is greater than the area of each of the first electrode weld site 320, the second electrode weld site 330, and the thermally conductive weld site 350. Specifically, in this embodiment, the cross-sectional area of the heat conduction boss 220 is larger than the areas of the first electrode welding position 320, the second electrode welding position 330 and the heat conduction welding position 350, so that the area proportion of the heat conduction boss 220 is larger, the heat conduction boss 220 can better transfer heat from the lamp bead 300 to the heat conduction substrate 200, and the improvement of the heat dissipation efficiency is facilitated.
In some embodiments, in order to improve the working stability of the lamp panel, a gap is formed between the heat-conducting boss 220 and the first electrode welding position 320 and the second electrode welding position 330 after being welded to the heat-conducting welding position 350. By providing a gap, thermal and electrical conduction is completely isolated.
The utility model further provides a spotlight, which comprises a shell and a lamp panel, wherein the specific structure of the lamp panel refers to the embodiments, and the spotlight adopts all the technical schemes of all the embodiments, so that the spotlight at least has all the beneficial effects brought by the technical schemes of the embodiments, and the detailed description is omitted. Wherein, the lamp plate is installed on the shell.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a lamp plate for spotlight, its characterized in that, the lamp plate includes:
the lamp bead comprises a bead body, wherein the bottom of the bead body is provided with a first electrode welding position, a second electrode welding position and a heat conduction welding position, and an isolation gap is formed between every two first electrode welding positions, every two second electrode welding positions and every two heat conduction welding positions;
the circuit board is provided with a mounting position for mounting the lamp bead, the positive electrode of the circuit board is electrically connected with the first electrode welding position, and the negative electrode of the circuit board is electrically connected with the second electrode welding position;
and the heat conduction substrate is welded with the heat conduction welding position.
2. The lamp panel of claim 1, wherein the circuit board is provided with mounting holes, the positive electrode and the negative electrode of the circuit board are located on the surface of the circuit board near the mounting holes, the heat conducting substrate is welded to the heat conducting welding positions through the mounting holes, and the circuit board is located between the lamp beads and the heat conducting substrate.
3. The lamp panel of claim 2, wherein the heat conducting substrate includes a plate body and a heat conducting boss disposed on the plate body, the heat conducting boss passing through the mounting hole to be welded to the heat conducting welding site.
4. The lamp panel of claim 3, wherein the cross-section of the heat-conducting boss is any one of circular, oval, square and triangular.
5. A light panel according to claim 3, wherein an avoiding gap is provided between two adjacent bosses, and the avoiding gap has a size D1 of 1mm to 3 mm.
6. The lamp panel of claim 3, wherein a cross-sectional area of the heat conducting boss is larger than respective areas of the first electrode welding site, the second electrode welding site, and the heat conducting welding site.
7. The lamp panel of claim 3, wherein a gap is formed between the heat-conducting boss and the first electrode welding position and between the heat-conducting boss and the heat-conducting welding position after the heat-conducting boss and the heat-conducting welding position are welded.
8. The lamp panel of any one of claims 3 to 7, wherein the thickness D2 of the panel body is 1mm to 3 mm; and/or the height of the heat conduction boss is 0.15 mm-1 mm.
9. A light panel as claimed in any one of claims 1 to 7, wherein the circuit board is a flexible circuit board, and the thickness D3 is 0.15 mm-1 mm.
10. A spotlight, characterized in that it comprises a light panel according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220189750.8U CN216790122U (en) | 2022-01-24 | 2022-01-24 | Lamp panel and spotlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220189750.8U CN216790122U (en) | 2022-01-24 | 2022-01-24 | Lamp panel and spotlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216790122U true CN216790122U (en) | 2022-06-21 |
Family
ID=82014781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220189750.8U Expired - Fee Related CN216790122U (en) | 2022-01-24 | 2022-01-24 | Lamp panel and spotlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216790122U (en) |
-
2022
- 2022-01-24 CN CN202220189750.8U patent/CN216790122U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220621 |