TWI488033B - A power supply with a ring indicator - Google Patents

Description

Power supply with ring indicator

The present invention relates to a power supply, and more particularly to a power supply having a ring indicator light.

The power supply is often provided with an indicator light to indicate whether the power supply is in operation, and the indicator light of the prior art power supply is often point-shaped, and the detailed configuration is as follows: a power supply is provided on the housing of the power supply. After perforating, a lens is welded on the perforation, and a light source is disposed in the casing below the lens, whereby the light of the light source can penetrate the lens and exit the casing in a dot shape.

However, the prior art indicator lights have the following disadvantages:

First, since the lens area is small, the transmitted light is only point-shaped, so it is not bright enough and is not sufficiently obvious, and the effect of indicating is not effectively achieved.

Second, the appearance of the point light source has no features, is not aesthetically pleasing, and is difficult to change.

Third, when the lens is installed, ultrasonic welding or thermal fusion is often used, which is troublesome and inconvenient.

In view of the above-mentioned prior art power supply indicator of the power supply, which has the disadvantages of insufficient light, non-featured appearance, and troublesome manufacturing process, the present invention provides a power supply with a ring indicator light, which can effectively solve the above disadvantages.

In order to achieve the above object, the technical means adopted by the present invention is to design a power supply with a ring indicator light, which comprises: a base; an upper cover mounted on the base and covering an inner space with the base; a top groove is formed in the top surface of the upper cover, a central column is formed in the ring groove, and the central column and the ring groove wall are connected at least by one The ribs are connected; an outer lens is disposed in the ring groove of the upper cover from the top surface of the upper cover, and is sleeved with a center column; the outer lens is annular; an inner lens is disposed outwardly from the bottom surface of the upper cover The ring groove of the upper cover is connected to the outer lens; a circuit board is disposed on the base; a light source is disposed on the circuit board, and the position of the light source corresponds to the position of the inner lens.

The invention has the advantages that the outer lens is formed into a ring shape, so that the annular light is more obvious than the point light source, and the indication effect can be effectively achieved; moreover, compared with the point light source of the prior art. It is aesthetically pleasing and innovative, and the shape of the ring can be varied, such as stars, triangles, etc. Finally, the outer lens and the inner lens can be fixed in the ring groove of the upper cover after being connected up and down, and thus In the prior art, it is necessary to use ultrasonic welding or heat welding to fix the lens, which is more convenient to assemble.

In addition, even if the contact area of the outer lens is larger than that of the point light source, since the inner lens and the outer lens are stably mounted on the upper cover through the connecting rib, the external force can be effectively resisted, and at the same time, the external force is prevented from being damaged to the upper cover. With the components inside the base.

Further, the power supply has a ring indicator light, wherein the ring groove of the upper cover is a circular groove.

Further, the power supply having the ring indicator light, The outer diameter of the annular groove of the upper cover is greater than 10 mm.

Further, the power supply has a ring indicator light, wherein the top surface of the upper cover is an upward curved surface. The curved top surface makes the overall shape more beautiful.

Further, the power supply has a ring indicator light, wherein a top surface of the outer lens is aligned with a top surface of the upper cover.

Further, the power supply has a ring indicator light, wherein the outer lens is fastened and fixed to the inner lens.

Further, the power supply has a ring indicator light, wherein a wall surface of the outer lens has a plurality of button holes; a top surface of the inner lens protrudes with a plurality of buckles, and the buckles are disposed in the outer lens, and The plurality of button holes of the outer lens are respectively fastened.

Further, the power supply has a ring indicator light, wherein: the bottom end of the outer lens is recessed with at least one positioning groove, each positioning groove is sleeved with a corresponding connecting rib of the upper cover, and the groove of each positioning groove The bottom portion abuts against the corresponding connecting rib; the top surface of the inner lens protrudes with at least one light guiding strip, and each light guiding strip is disposed in a corresponding positioning groove of the outer lens, and the top end of each light guiding strip abuts Connecting ribs in the positioning groove. The light guiding strip of the inner lens is inserted into the outer lens to form an interlaced light guiding structure, so that the light guiding effect between the inner lens and the outer lens is better.

Further, the power supply has a ring indicator light, wherein: the upper cover comprises a plurality of connecting ribs, the connecting ribs are arranged around; the outer lens comprises a plurality of positioning grooves; and the inner lens comprises a plurality of light guiding strips. The height of each of the light guiding strips corresponds to the top surface of the outer lens. By the light guiding strip corresponding to the curved top surface of the outer lens, the height is higher, so that the light can be The top surface of the outer lens is more uniform when it is ejected.

Further, the power supply has a ring indicator light, wherein: a bottom of the center column of the upper cover protrudes from a positioning cylinder, the positioning cylinder has a lower end opening; a top surface of the inner lens protrudes from a positioning column, and the positioning column is pierced A positioning cylinder that is fitted to the upper cover. The fitting of the positioning post and the positioning cylinder can be used as a foolproof design, so that the user can install the inner lens into the upper cover after rotating the inner lens to the correct angle.

Further, the power supply has a ring indicator light, wherein a bottom surface of the inner lens is tapered. The tapered design saves on the material cost of the inner lens.

Further, the power supply has a ring indicator light, wherein a bottom surface of the inner lens is recessed with a light source slot; and the light source is located in the light source slot. Thereby, the light emitted by the light source can be effectively absorbed.

The technical means adopted by the present invention for achieving the intended purpose of the invention are further described below in conjunction with the preferred embodiments of the invention.

Referring to FIG. 1 and FIG. 2, the power supply with the ring indicator light of the present invention comprises a base 10, an upper cover 20, an outer lens 30, an inner lens 40, a circuit board 50 and a light source 60.

Referring to FIG. 1 , FIG. 3 and FIG. 4 , the base 10 is approximately rectangular and has an upper end opening. The opposite side walls of the base 10 are respectively provided with a power connector 11 and a power output line 12 .

Referring to FIG. 2 and FIG. 4 to FIG. 6 , the upper cover 20 is mounted on the base 10 and covers an internal space with the base 10; the top surface of the upper cover 20 is a curved surface of the center. Figure 4), the upper cover 20 is provided with a through The annular groove 21 and the annular groove 21 are circular grooves. In this embodiment, the outer diameter of the annular groove 21 is greater than 10 mm, but not limited thereto; a central column 22 is formed in the annular groove 21, and a bottom surface of the central column 22 is protruded and positioned. The positioning cylinder 24 has a lower end opening, and the inner wall surface of the positioning cylinder 24 protrudes with a positioning rib 241; the central column 22 and the wall surface of the annular groove 21 are connected by a plurality of connecting ribs 23, and the connecting ribs 23 are equally spaced around the circumference. Arranged, and a top surface of each connecting rib 23 is recessed with an abutting groove 231.

Referring to FIG. 2 and FIG. 5 to FIG. 8 , the outer lens 30 is disposed in the annular groove 21 of the upper cover 20 from the top surface of the upper cover 20 , and the top surface of the outer lens 30 and the curved top of the upper cover 20 . The surface of the outer lens 30 is annular, and the central column 22 of the upper cover 20 is sleeved. The bottom end of the outer lens 30 is recessed with a plurality of positioning grooves 31, and the positioning grooves 31 are respectively sleeved. The plurality of connecting ribs 23 of the upper cover 20, and the groove bottom of each positioning groove 31 abut against the groove bottom of the connecting rib 23 against the groove 231; the wall surface of the outer lens 30 penetrates the plurality of button holes 32.

The inner lens 40 is disposed in the annular groove 21 of the upper cover 20 from the bottom surface of the upper cover 20, and is fastened and fixed to the outer lens 30. The top surface of the inner lens 40 protrudes with a plurality of buckles 41, and the buckles 41 is disposed in the outer lens 30 and respectively fastens the plurality of button holes 32 of the outer lens 30; the top surface of the inner lens 40 protrudes with a plurality of light guiding strips 42 respectively disposed through the outer lens 30 In the plurality of positioning grooves 31, and abutting against the connecting ribs 23 in the positioning groove 31; the height of each of the light guiding strips 42 corresponds to the top surface of the outer lens 30, that is, the outer lens 30 corresponding to the light guiding strip 42 upwardly The higher the height of the curved top surface, the higher the height of the light guiding strip 42 is. Therefore, the heights of the light guiding strips 42 are different (as shown in FIGS. 7 and 8); the center of the top surface of the inner lens 40 protrudes. The positioning post 43 is disposed on the positioning cylinder 24 of the upper cover 20, and a notch 431 is disposed on one side of the positioning post 43. The notch 431 sets the positioning rib 241 of the positioning cylinder 24; the bottom surface of the inner lens 40 is tapered. And a tapered light source groove 44 is recessed in the bottom end of the cone.

The circuit board 50 is disposed in the base 10 and below the in-plane lens 40. The circuit board 50 is electrically connected to the power connector 11 and the power output line 12, respectively.

The light source 60 is disposed on the circuit board 50 and is located in the light source slot 44 at the bottom end of the inner lens 40. In this embodiment, the light source 60 is a Light Emitting Diode (LED), but is not limited thereto. .

When the outer lens 30 and the inner lens 40 of the present invention are installed, the outer lens 30 is first disposed downwardly in the annular groove 21 of the upper cover 20, and the outer surface of the outer lens 30 is inclined because the top surface of the outer lens 30 is fitted to the top surface of the upper cover 20. Before being worn down, the first angle must be rotated to the correct angle; in addition, since the positioning grooves 31 at the bottom end of the outer lens 30 have different depths due to the different heights of the bottoms of the connecting grooves 23 of the connecting ribs 23 in the ring groove 21, If the outer lens 30 is not rotated to the correct angle, it cannot be smoothly inserted into the ring groove 21; after the outer lens 30 is inserted into the ring groove 21, each positioning groove 31 is sleeved against the ring groove 21. Connecting the ribs 23, whereby the outer lens 30 is supported; then the inner lens 40 is inserted up into the annular groove 21 of the upper cover 20 and simultaneously engaged with the outer lens 30; since the light guiding strips 42 of the inner lens 40 are also matched The bottom surface of the connecting rib 23 has different heights, so the inner lens 40 needs to be rotated to the correct angle before being worn, otherwise it may not be inserted into the annular groove 21; when the inner lens 40 is rotated, the positioning column 43 can be used. The notch 431 is aligned with the positioning rib 241 of the positioning cylinder 24 of the upper cover 20; Ribs 241 The inner lens 40 and the upper cover 20 are prevented from rotating relative to each other. The inner lens 40 is inserted into the annular groove 21, and the buckle 41 is fastened to the fastening hole 32 of the wall surface of the outer lens 30. The inner lens 40 can obtain support of the outer lens 30.

Then, the upper cover 20 of the inner and outer lenses 40 and 30 is assembled with the components such as the base 10 and the circuit board 50; the inner and outer lenses 40 and 30 are pre-installed on the upper cover 20, thereby The manufacturers of the components are pre-assembled and confirmed whether there is an installation error, and then combined with other components such as the circuit board 50 and the light source 60, so that the inner and outer lenses 40, 30 can be accurately aligned with the light source 60. The present invention facilitates assembly and can effectively improve the yield during assembly.

As can be seen from the foregoing process, the inner lens 40 and the outer lens 30 are indirectly and directly supported from the connecting ribs 23, whereby the two lenses 40, 30 can be firmly fixed to the upper cover 20, so that even the annular outer lens 30 is received. The force area is larger than that of the point source, and it is also ensured that the two lenses 40, 30 are not easily recessed or deflected by external force; moreover, even if an external force is applied to the outer lens 30, the inner lens 40 is not directly in contact with the lower lens 40. The circuit board 50 is so that the external force will only act on the upper cover 20 without causing damage to the circuit board 50.

In use, after the light of the light source 60 is inserted into the inner lens 40, the light is emitted outwardly along the inner lens 40 and the outer lens 30. At this time, the light guiding strip 42 of the inner lens 40 is inserted. In the positioning groove 31 of the outer lens 30, an interlaced light guiding structure is formed to allow light to be emitted from the top surface and the side surface of the light guiding strip 42 and into the outer lens 30, so that the light guiding effect is better; By corresponding to the light guiding strip 42 at the higher curved top surface of the outer lens 30, the height is higher, so that the light can be more uniformly emitted from the curved top surface, thereby obtaining Better visual effects.

In addition, the bottom surface of the inner lens 40 is tapered, and the outer diameter of the tapered end portion is only slightly larger than the light source 60, and the light of the light source 60 is also diffused to a desired extent when it is led upward in the tapered inner lens 40. At this time, the tapered shape can save the material cost of the inner lens 40. Further, the light source 60 is covered by the bottom surface light source groove 44 of the inner lens 40, so that the light emitted by the light source 60 can be effectively absorbed.

The annular outer lens 30 and the annular light are not only beautiful and novel, but also have various changes; and the annular light is more obvious and can effectively perform the function of indication; finally, the outer lens 30 and the inner lens 40 After being fastened to the ring groove 21, the upper cover 20 can be fixed to each other, thereby facilitating assembly.

In other embodiments, the annular groove and the outer lens of the upper cover may not be circular, but may have other shapes such as a square shape, a star shape, or the like.

In other embodiments, the top surface of the upper cover may also be planar without being curved.

In other embodiments, the inner lens and the outer lens may not be combined in a snap-fit manner, and may be glued or the like.

In other embodiments, the tapered bottom of the inner lens may also be planar without the light source slot and located only above the light source without illuminating the light source.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the invention, and A person skilled in the art can make some modifications or modifications to equivalent embodiments by using the above-disclosed technical contents without departing from the technical scope of the present invention. The present invention is not limited to any simple modifications, equivalent changes and modifications of the above embodiments.

10‧‧‧Base

11‧‧‧Power connector

12‧‧‧Power output line

20‧‧‧Upper cover

21‧‧‧ Ring groove

22‧‧‧ center column

23‧‧‧ Connecting ribs

231‧‧‧Abutment slot

24‧‧‧ Positioning cylinder

241‧‧‧ positioning ribs

30‧‧‧ outer lens

31‧‧‧ positioning slot

32‧‧‧ buckle hole

40‧‧‧ inner lens

41‧‧‧ buckle

42‧‧‧Light guide strips

43‧‧‧Positioning column

431‧‧‧ gap

44‧‧‧Light source slot

50‧‧‧ boards

60‧‧‧Light source

Figure 1 is a perspective view of the present invention.

Figure 2 is a side cross-sectional view of a portion of the components of the present invention.

Figure 3 is a perspective view of another perspective of the present invention.

Figure 4 is a side view of the invention.

Figure 5 is an exploded view of most of the components of the present invention.

Figure 6 is an exploded view of a portion of the components of the present invention.

Figure 7 is a side elevational view of a portion of the components of the present invention.

Figure 8 is a front exploded view of a portion of the components of the present invention.

10‧‧‧Base

11‧‧‧Power connector

12‧‧‧Power output line

20‧‧‧Upper cover

21‧‧‧ Ring groove

22‧‧‧ center column

30‧‧‧ outer lens

31‧‧‧ positioning slot

32‧‧‧ buckle hole

40‧‧‧ inner lens

41‧‧‧ buckle

42‧‧‧Light guide strips

43‧‧‧Positioning column

431‧‧‧ gap

Claims (16)

A power supply device having a ring indicator lamp, comprising: a base; an upper cover mounted on the base and covering an inner space with the base; a top groove is formed through the top surface of the upper cover, and a center is formed in the ring groove The column and the central column are made of an opaque material, and the central column and the ring groove wall are connected by a plurality of connecting ribs, and the connecting ribs are arranged in a surrounding manner; an outer lens is disposed in the ring groove of the upper cover from the top surface of the upper cover The central column is sleeved; the outer lens is annular; the bottom end of the outer lens is recessed with a plurality of positioning grooves, each positioning groove is sleeved with a corresponding connecting rib of the upper cover, and the groove bottom of each positioning groove abuts against the phase Corresponding connecting rib; an inner lens which is disposed outwardly from the bottom surface of the upper cover in the annular groove of the upper cover and connected to the outer lens; the top surface of the inner lens protrudes with a plurality of light guiding strips, and each light guiding strip is disposed In the corresponding positioning groove of the outer lens, and the top end of each light guiding strip abuts the connecting rib in the positioning groove, the height of each light guiding strip corresponds to the top surface of the outer lens; a circuit board is disposed on a light source, which is disposed on the circuit board, and Source position corresponds to the position of the lens. The power supply with a ring indicator light as claimed in claim 1, wherein the ring groove of the upper cover is a circular groove. A power supply having a ring indicator light as claimed in claim 2, wherein an outer diameter of the annular groove of the upper cover is greater than 10 mm. The power supply with a ring indicator light according to any one of claims 1 to 3, wherein the top surface of the upper cover is an upward curved surface. A power supply having a ring indicator light according to any one of claims 1 to 3, wherein a top surface of the outer lens is aligned with a top surface of the upper cover. A power supply having a ring indicator light as claimed in claim 4, wherein a top surface of the outer lens is aligned with a top surface of the upper cover. A power supply having a ring indicator light according to any one of claims 1 to 3, wherein the outer lens is fastened to the inner lens. A power supply with a ring indicator light as claimed in claim 6, wherein the outer lens is fastened to the inner lens. The power supply with a ring indicator light according to claim 7, wherein the wall surface of the outer lens has a plurality of button holes; the top surface of the inner lens protrudes with a plurality of buckles, and the buckles are disposed in the outer lens, and The plurality of button holes of the outer lens are respectively fastened. The power supply with a ring indicator light according to claim 8, wherein the wall surface of the outer lens has a plurality of button holes; the top surface of the inner lens protrudes with a plurality of buckles, and the buckles are disposed in the outer lens, and The plurality of button holes of the outer lens are respectively fastened. The power supply with a ring indicator light according to any one of claims 1 to 3, wherein: a bottom surface of the center pillar of the upper cover protrudes from the positioning cylinder, the positioning cylinder has a lower end opening; a top surface of the inner lens protrudes from a positioning The column and the positioning post are provided with a positioning cylinder that is fitted to the upper cover. The power supply with a ring indicator light according to claim 10, wherein: a bottom surface of the center pillar of the upper cover protrudes from the positioning cylinder, and the positioning cylinder has a The lower end opening; the top surface of the inner lens protrudes from a positioning post, and the positioning post passes through the positioning cylinder fitted to the upper cover. A power supply having a ring indicator lamp according to any one of claims 1 to 3, wherein the bottom surface of the inner lens is tapered. A power supply having a ring indicator light as claimed in claim 12, wherein the bottom surface of the inner lens is tapered. The power supply with a ring indicator light according to claim 13, wherein a bottom surface of the inner lens is recessed with a light source slot; and the light source is located in the light source slot. The power supply of claim 14, wherein the bottom surface of the inner lens is recessed with a light source slot; the light source is located in the light source slot.