CN209213664U - A kind of lens, lamp cap and its street lamp - Google Patents
A kind of lens, lamp cap and its street lamp Download PDFInfo
- Publication number
- CN209213664U CN209213664U CN201822131492.4U CN201822131492U CN209213664U CN 209213664 U CN209213664 U CN 209213664U CN 201822131492 U CN201822131492 U CN 201822131492U CN 209213664 U CN209213664 U CN 209213664U
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- light
- curved surface
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- edge
- luminous
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Abstract
The utility model discloses a kind of lens, lamp cap and its street lamps, including lens body, the luminous curved surface that the surface of the lens body includes bottom surface and is connected with bottom edge, light curved surface is provided on the bottom surface, the bending direction of the light curved surface is consistent with the bending direction of the luminous curved surface.In the present invention, the light that LED is issued first passes around light curved surface and generates unirefringence, birefringence is generated using luminous curved surface, the annular light distribution of wide-angle is produced by the cooperation of light curved surface and luminous curved surface, light can be made no longer to be gathered in the lower zone of street lamp, but suitable light is irradiated to from the farther away region of street lamp, the problems such as illumination distances for solving street lamp are short, narrow range.Since the utility model is not necessarily to increase the length of lamp stand, the maximization of irradiation distance can be realized in low position lighting, therefore also save production cost, reduce the weakening effect of light, while also reducing the difficulty of installation and maintenance.
Description
Technical field
The utility model relates to lighting area, especially a kind of lens, lamp cap and its street lamp.
Background technique
Currently, the main a large amount of light issued tends to collect in street lamp for the street lamp generally installed on road surface
Lower zone, and only a small amount of light can be irradiated to from the farther away region of street lamp, to cause the illumination distances of street lamp
It is short, the problems such as narrow range.
To solve the above-mentioned problems, common solution is the mounting height by improving lamp cap, makes lamp cap from the ground
Distance it is farther so that the illumination zone that is covered of street lamp increases, extend illumination distances, but the settling mode needs to increase
Add the length of lamp stand, to considerably increase production cost；Simultaneously as lamp cap increases at a distance from ground, light need through
The air transmission for crossing longer distance gets to ground, to largely reduced the intensity of light, drops the brightness of illumination of street lamp
It is low；In addition, the mounting height for improving lamp cap frequently can lead to the problems such as installation difficulty and maintenance difficulty increase.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of lens, lamp cap and its street lamp, without increasing
The length of lamp stand can realize the maximization of irradiation distance in low position lighting, save production cost, reduce cutting for light
Weak effect, while also reducing the difficulty of installation and maintenance.
The technical solution adopted by the utility model to solve the problem is as follows:
The utility model in a first aspect, provide a kind of lens, including lens body, the surface packet of the lens body
The luminous curved surface for including bottom surface and being connected with bottom edge, is provided with light curved surface on the bottom surface, the light curved surface it is curved
Qu Fangxiang is consistent with the bending direction of the luminous curved surface.
Further, the lens body further includes edge mounting portion, and the edge installation position is in bottom edge and hair
Between light curved edges.
Further, the bottom surface is in planar setting.
Further, bottom surface setting in rounded shape.
Further, the light curved surface and luminous curved surface are axisymmetricly arranged, and the symmetry axis of the light curved surface
It coincides with the symmetry axis of the luminous curved surface
Further, the light curved surface is located at the center of bottom surface.
Further, the light curved surface is provided with positioned at light center of surface position by light center and positioned at light song
The light edge of face marginal position, the acute angle between the tangent line and bottom surface of the light edge are 70 ° -90 °, the light
The acute angle between tangent line and bottom surface at curved surface is reduced with the increase of distance between point of contact and light edge, in the light
Tangent line at the heart is parallel to each other with bottom surface.
Further, the acute angle between the tangent line and bottom surface of the light edge is 80 °.
Further, the luminous curved surface is provided with the centre of luminescence for being located at the center of surface position that shines and is located at the song that shines
The emitting edge of face marginal position, the acute angle between tangent line and bottom surface at the emitting edge is 50 ° -90 °, described to shine
The acute angle between tangent line and bottom surface at curved surface is reduced with the increase of distance between point of contact and emitting edge, it is described shine in
Tangent line at the heart is parallel to each other with bottom surface.
Further, the tangent line at the emitting edge and the acute angle between bottom surface are 68 °.
The second aspect of the utility model provides a kind of lamp cap, described including installation panel, LED and above-mentioned lens
LED and lens are installed on installation panel, and the LED is covered and is located at by the lens in the light curved surface of the lens.
The third aspect of the utility model, provides a kind of street lamp, including lamp stand and lamp cap, and the lamp cap includes mounting surface
Plate, LED and above-mentioned lens, the installation panel are mounted on lamp stand, and the LED and lens are installed on installation panel,
The LED is covered and is located at by the lens in the light curved surface of the lens.
A technical solution in above-mentioned technical proposal have the following advantages that or the utility model has the advantages that
According to a kind of lens provided by the utility model, lamp cap and its street lamp, including lens body, the lens body
The luminous curved surface that surface includes bottom surface and is connected with bottom edge, light curved surface is provided on the bottom surface, and the light is bent
The bending direction in face is consistent with the bending direction of the luminous curved surface.In the present invention, the light that LED is issued passes through first
It crosses light curved surface and generates unirefringence, then generate birefringence using luminous curved surface, pass through light curved surface and luminous curved surface
Cooperation produce the annular light distribution of wide-angle, light can be made no longer to be gathered in the lower zone of street lamp, but will be suitable
Light is irradiated to from the farther away region of street lamp, so that the illumination distances for solving street lamp are short, the problems such as narrow range.Since this is practical
The novel length without increasing lamp stand, the maximization of irradiation distance can be realized in low position lighting, therefore also save production
Cost, reduces the weakening effect of light, while also reducing the difficulty of installation and maintenance.
Detailed description of the invention
The utility model is described in further detail with example with reference to the accompanying drawing.
Fig. 1 is a kind of perspective view of the first angle of lens provided by the utility model one embodiment；
Fig. 2 is a kind of perspective view of the second angle of lens provided by the utility model one embodiment；
Fig. 3 is a kind of front view of lens provided by the utility model one embodiment；
Fig. 4 is a kind of rearview of lens provided by the utility model one embodiment；
Fig. 5 is a kind of side view of lens provided by the utility model one embodiment；
Fig. 6 is a kind of side sectional view of lens provided by the utility model one embodiment；
Fig. 7 is that a kind of light of lens provided by the utility model one embodiment moves towards figure；
Fig. 8 is a kind of lens provided by the utility model one embodiment about each point on light curved surface and luminous curved surface
Tangent line and bottom surface between corner dimension schematic diagram；
Fig. 9 is a kind of lens provided by the utility model one embodiment about each section on light curved surface and luminous curved surface
The schematic diagram of the corresponding radius size of small arc-shaped；
Figure 10 is a kind of side view of the transmitting light distribution trend of street lamp provided by the utility model one embodiment；
Figure 11 is a kind of top view of the transmitting light distribution trend of street lamp provided by the utility model one embodiment；
Figure 12 is a kind of light distributed effect figure of the first angle of street lamp provided by the utility model one embodiment；
Figure 13 is a kind of light distributed effect figure of the second angle of street lamp provided by the utility model one embodiment.
Specific embodiment
Currently, the main a large amount of light issued tends to collect in street lamp for the street lamp generally installed on road surface
Lower zone, and only a small amount of light can be irradiated to from the farther away region of street lamp, to cause the illumination distances of street lamp
It is short, the problems such as narrow range.
To solve the above-mentioned problems, common solution is the mounting height by improving lamp cap, makes lamp cap from the ground
Distance it is farther so that the illumination zone that is covered of street lamp increases, extend illumination distances, but the settling mode needs to increase
Add the length of lamp stand, to considerably increase production cost；Simultaneously as lamp cap increases at a distance from ground, light need through
The air transmission for crossing longer distance gets to ground, to largely reduced the intensity of light, drops the brightness of illumination of street lamp
It is low；In addition, the mounting height for improving lamp cap frequently can lead to the problems such as installation difficulty and maintenance difficulty increase.
Based on this, the utility model provides a kind of lens, lamp cap and its street lamp, by being provided with two phases on lens
The light curved surface and luminous curved surface mutually cooperated, when light passes through described two curved surfaces, it may occur that refraction is twice to produce
The annular light distribution of wide-angle can make light no longer be gathered in the lower zone of street lamp, but by suitable light be irradiated to from
The farther away region of street lamp, so that the illumination distances for solving street lamp are short, the problems such as narrow range.Since the utility model is without increasing
The length of lamp stand can realize the maximization of irradiation distance in low position lighting, therefore also save production cost, reduce light
The weakening effect of line, while also reducing the difficulty of installation and maintenance.
- Figure 13 referring to Fig.1, one embodiment of the utility model provide a kind of lens, including lens body 100,
The surface of the lens body 100 includes bottom surface 110 and the luminous curved surface 130 that is connected with 110 edge of bottom surface, the bottom surface
Light curved surface 111, the bending direction one of the bending direction of the light curved surface 111 and the luminous curved surface 130 are provided on 110
It causes.
In the present invention, the light that LED is issued first passes around light curved surface 111 and generates unirefringence, then again
By shining, curved surface 130 generates birefringence, produces wide-angle by the cooperation of light curved surface 111 and luminous curved surface 130
Annular light distribution can make light no longer be gathered in the lower zone of street lamp, but suitable light is irradiated to from street lamp farther out
Region, so that the illumination distances for solving street lamp are short, the problems such as narrow range.Since the utility model is not necessarily to increase the length of lamp stand
Degree, the maximization of irradiation distance can be realized in low position lighting, therefore also save production cost, reduce the weakening of light
Effect, while also reducing the difficulty of installation and maintenance.
Further, based on the above embodiment, another embodiment of the utility model additionally provides a kind of lens, described
Mirror ontology 100 further includes edge mounting portion 120, and the edge mounting portion 120 is located at 130 side of 110 edge of bottom surface and luminous curved surface
Between edge.For the ease of the installation and fixation of lens body 100, side correspondingly is additionally arranged in the marginal position of lens body 100
Edge mounting portion 120, during installation, mounting portion 120 inlay card in edge, which is mounted at the installation corresponding card slot of panel 300, can be realized
The fixation of lens.
Further, based on the above embodiment, another embodiment of the utility model additionally provides a kind of lens, the bottom
Face 110 is in planar setting.It is more steady when in order to make installation.More fitting installation panel 300, correspondingly by the bottom surface
110 be designed as it is planar.
Further, based on the above embodiment, another embodiment of the utility model additionally provides a kind of lens, the bottom
The setting in rounded shape of face 110.In order to match with the shape of luminous curved surface 130, the bottom surface 110 is correspondingly designed as circle
Shape.
Further, based on the above embodiment, another embodiment of the utility model additionally provides a kind of lens, it is described by
Light curved surface 111 and luminous curved surface 130 are axisymmetricly arranged, and the symmetry axis of the light curved surface 111 and the luminous curved surface
130 symmetry axis coincides.The symmetry axis of both light curved surface 111 and luminous curved surface 130 is coincided, light curved surface 111 is made
Radian variation with luminous curved surface 130 matches, so that the light passed through after birefringence, finally obtains biggish light
Spot.
Further, based on the above embodiment, another embodiment of the utility model additionally provides a kind of lens, it is described by
Light curved surface 111 is located at the center of bottom surface 110.It is more uniform in order to make street lamp shine, correspondingly by the light curved surface 111
It is distributed in the center position of bottom surface 110.
Further, based on the above embodiment, another embodiment of the utility model additionally provides a kind of lens, it is described by
Light curved surface 111 is provided with positioned at 111 center of light curved surface by light center A1 and positioned at 111 marginal position of light curved surface
The acute angle between tangent line and bottom surface 110 at light edge A2, the light edge A2 is 70 ° -90 °, the light curved surface
Acute angle between tangent line at 111 and bottom surface 110 reduces (such as Fig. 6 with the increase of distance between point of contact and light edge A2
With shown in Fig. 8), the tangent line by light center A1 is parallel to each other with bottom surface 110；In addition, the luminous curved surface 130 is provided with
Centre of luminescence B1 positioned at luminous 130 center of the curved surface and emitting edge B2 positioned at luminous 130 marginal position of curved surface, it is described
Acute angle between tangent line at emitting edge B2 and bottom surface 110 is 50 ° -90 °, tangent line and bottom surface at the luminous curved surface 130
Acute angle between 110 reduces (as shown in Figure 6 and Figure 8) with the increase of distance between point of contact and emitting edge B2, the hair
Tangent line at light center B1 is parallel to each other with bottom surface 110.In order to which the light for issuing LED can generate greatly after reflecting twice
The annular light distribution of angle can make light no longer be gathered in the lower zone of street lamp, but suitable light is irradiated to from road
The farther away region of lamp correspondingly will be by the angle between the tangent line at light center A1 and bottom surface 110 at light curved surface 111
0 °, be 70 ° -90 ° by the tangent line at the light edge A2 at light curved surface 111 and the angle between bottom surface 110, and described
Acute angle between tangent line at light curved surface 111 at point of contact and bottom surface 110 with distance between point of contact and light edge A2 increasing
It is big and reduce, also, it is understood that be cut into multistage small arc-shaped at by light curved surface 111, the radius of every section of small arc-shaped by
By light center A1 toward light edge A2 in being gradually increased trend (as shown in Fig. 6 and Fig. 9)；Meanwhile by the hair at luminous curved surface 130
Angle between tangent line at light center B1 and bottom surface 110 is 0 °, by the emitting edge B2 at luminous curved surface 130 tangent line and
Angle between bottom surface 110 is 50 ° -90 °, and the tangent line at the luminous curved surface 130 at point of contact and between bottom surface 110
Acute angle is reduced with the increase of distance between point of contact and emitting edge B2, also, it is understood that at by luminous 130 cutting of curved surface
At multistage small arc-shaped, the radius of every section of small arc-shaped is in gradually decrease trend (such as Fig. 6 from centre of luminescence B1 toward emitting edge B2
With shown in Fig. 9)；In this case, it can guarantee that the light of LED sending can generate the annular of wide-angle after reflecting twice
Light distribution launches light toward surrounding as much as possible.It is adjusted if the shape of light curved surface 111 and luminous curved surface 130 is opposite, only
The light that LED can be made to issue more is gathered in the lower zone of street lamp.
Further, based on the above embodiment, another embodiment of the utility model additionally provides a kind of lens, it is described by
The acute angle between tangent line and bottom surface 110 at plain edge edge A2 is 80 °, in addition, tangent line and bottom surface 110 at the emitting edge B2
Between acute angle be 68 °.In order to make light distribution effect more preferably, preferentially by the light edge A2 tangent line and bottom surface 110 it
Between acute angle be designed as 80 °, the acute angle between tangent line and bottom surface 110 at the emitting edge B2 is designed as 68 °, above-mentioned two
In the case that a angle matches, when the mounting height of lens is 0.5 meter, the farthest distance of hot spot is 10 meters；When installation is high
When degree is 0.5 meter constant, changes the tangent line at light edge A2 and the acute angle between bottom surface 110 or change the emitting edge
When acute angle between the tangent line at B2 and bottom surface 110, the maximum distance of hot spot can be less than 10 meters.
In addition, another embodiment of the utility model, additionally provides a kind of lens, including lens body 100, the lens
The surface of ontology 100 includes the bottom surface 110 and the luminous curved surface 130 that is connected with 110 edge of bottom surface in flat circle shape, described
Light curved surface 111, the bending direction of the light curved surface 111 and the luminous curved surface are provided on the center of bottom surface 110
130 bending direction is consistent；Secondly, further include edge mounting portion 120, the edge mounting portion 120 be located at 110 edge of bottom surface and
Between luminous 130 edge of curved surface；Secondly, the light curved surface 111 and luminous curved surface 130 are axisymmetricly arranged, and it is described by
The symmetry axis of the symmetry axis of light curved surface 111 and the luminous curved surface 130 coincides；Secondly, the light curved surface 111 is provided with position
In 111 center of light curved surface by light center A1 and positioned at the light edge A2 of 111 marginal position of light curved surface, it is described by
The acute angle between tangent line and bottom surface 110 at plain edge edge A2 is 80 °, between the tangent line and bottom surface 110 at the light curved surface 111
Acute angle reduced, the tangent line and bottom surface by light center A1 with the increase of distance between point of contact and light edge A2
110 are parallel to each other；Secondly, the luminous curved surface 130 is provided with the centre of luminescence B1 for being located at 130 center of curved surface that shines and position
In shine 130 marginal position of curved surface emitting edge B2, the emitting edge B2 at tangent line and bottom surface 110 between acute angle be
68 °, the acute angle between tangent line and bottom surface 110 at the luminous curved surface 130 is with distance between point of contact and emitting edge B2
Increase and reduce, the tangent line at the centre of luminescence B1 is parallel to each other with bottom surface 110.
In the present invention, the light that LED is issued first passes around light curved surface 111 and generates unirefringence, then again
By shining, curved surface 130 generates birefringence, produces wide-angle by the cooperation of light curved surface 111 and luminous curved surface 130
Annular light distribution can make light no longer be gathered in the lower zone of street lamp, but suitable light is irradiated to from street lamp farther out
Region, so that the illumination distances for solving street lamp are short, the problems such as narrow range.Since the utility model is not necessarily to increase the length of lamp stand
Degree, the maximization of irradiation distance can be realized in low position lighting, therefore also save production cost, reduce the weakening of light
Effect, while also reducing the difficulty of installation and maintenance.
Another embodiment of the utility model additionally provides a kind of lamp cap, and the lamp cap includes installation panel 300, LED200
With the lens in any of the above-described embodiment, the LED200 and lens are installed on installation panel 300, the LED200 quilt
The lens are covered and are located in the light curved surface 111 of the lens.
In the present embodiment, since lamp cap is provided with the lens in any of the above-described embodiment, the lamp in the present embodiment
Head has beneficial effect and functional characteristic brought by the lens in any of the above-described embodiment.
Another embodiment of the utility model additionally provides a kind of street lamp, including lamp stand and lamp cap, and the lamp cap includes peace
Dress panel 300, LED200 and above-mentioned lens, the installation panel 300 are mounted on lamp stand, and the LED200 and lens are pacified
On installation panel 300, the LED200 is covered and is located at by the lens in the light curved surface 111 of the lens.
In the present embodiment, since lamp cap is provided with the lens in any of the above-described embodiment, and the street lamp in the present embodiment
Lamp cap including the lamp cap, therefore in the present embodiment has beneficial effect brought by the lens in any of the above-described embodiment
And functional characteristic.
The above, the only preferred embodiment of the utility model, the utility model are not limited to above-mentioned implementation
Mode, as long as its technical effect for reaching the utility model with identical means, all should belong to the protection scope of the utility model.
Claims (10)
1. a kind of lens, it is characterised in that: including lens body, the surface of the lens body includes bottom surface and and bottom edge
The luminous curved surface being connected is provided with light curved surface, the bending direction of the light curved surface and the luminous song on the bottom surface
The bending direction in face is consistent.
2. a kind of lens according to claim 1, it is characterised in that: the lens body further includes edge mounting portion, institute
Edge installation position is stated between bottom edge and luminous curved edges.
3. a kind of lens according to claim 1, it is characterised in that: the bottom surface is in planar setting.
4. a kind of lens according to claim 1, it is characterised in that: the light curved surface and luminous curved surface are axisymmetricly
Setting, and the symmetry axis of the symmetry axis of the light curved surface and the luminous curved surface coincides.
5. a kind of lens according to claim 3, it is characterised in that: the light curved surface is provided in light curved surface
Heart position by light center and positioned at the light edge of light curved edges position, the tangent line of the light edge and bottom surface it
Between acute angle be 70 ° -90 °, the acute angle between tangent line and bottom surface at the light curved surface is between point of contact and light edge
The increase of distance and reduce, the tangent line by light center is parallel to each other with bottom surface.
6. a kind of lens according to claim 5, it is characterised in that: between the tangent line and bottom surface of the light edge
Acute angle is 80 °.
7. a kind of lens according to claim 5, it is characterised in that: the luminous curved surface, which is provided with, to be located in the curved surface that shines
The centre of luminescence of heart position and emitting edge positioned at luminous curved edges position, tangent line and bottom surface at the emitting edge it
Between acute angle be 50 ° -90 °, the acute angle between tangent line and bottom surface at the luminous curved surface is between point of contact and emitting edge
The increase of distance and reduce, the tangent line at the centre of luminescence is parallel to each other with bottom surface.
8. a kind of lens according to claim 7, it is characterised in that: between the tangent line and bottom surface at the emitting edge
Acute angle is 68 °.
9. a kind of lamp cap, it is characterised in that: described including installation panel, LED and any lens of claim 1-8
LED and lens are installed on installation panel, and the LED is covered and is located at by the lens in the light curved surface of the lens.
10. a kind of street lamp, it is characterised in that: including lamp stand and lamp cap, the lamp cap includes installation panel, LED and claim
Any lens of 1-8, the installation panel are mounted on lamp stand, and the LED and lens are installed on installation panel,
The LED is covered and is located at by the lens in the light curved surface of the lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822131492.4U CN209213664U (en) | 2018-12-18 | 2018-12-18 | A kind of lens, lamp cap and its street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822131492.4U CN209213664U (en) | 2018-12-18 | 2018-12-18 | A kind of lens, lamp cap and its street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209213664U true CN209213664U (en) | 2019-08-06 |
Family
ID=67465128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822131492.4U Expired - Fee Related CN209213664U (en) | 2018-12-18 | 2018-12-18 | A kind of lens, lamp cap and its street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209213664U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114859640A (en) * | 2022-05-09 | 2022-08-05 | 无锡视美乐激光显示科技有限公司 | Light shaping system, light source device and design method of light source device |
-
2018
- 2018-12-18 CN CN201822131492.4U patent/CN209213664U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114859640A (en) * | 2022-05-09 | 2022-08-05 | 无锡视美乐激光显示科技有限公司 | Light shaping system, light source device and design method of light source device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190806 Termination date: 20201218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |