CN115210499B - Lighting device - Google Patents
Lighting device Download PDFInfo
- Publication number
- CN115210499B CN115210499B CN202080097860.5A CN202080097860A CN115210499B CN 115210499 B CN115210499 B CN 115210499B CN 202080097860 A CN202080097860 A CN 202080097860A CN 115210499 B CN115210499 B CN 115210499B
- Authority
- CN
- China
- Prior art keywords
- light source
- case
- glass plate
- housing
- lighting device
- 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.)
- Active
Links
- 239000011521 glass Substances 0.000 claims abstract description 38
- 238000005192 partition Methods 0.000 claims abstract description 36
- 239000000853 adhesive Substances 0.000 claims abstract description 17
- 230000001070 adhesive effect Effects 0.000 claims abstract description 17
- 238000000638 solvent extraction Methods 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 description 22
- 125000006850 spacer group Chemical group 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013464 silicone adhesive Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
Abstract
The lighting device is provided with: a light source; a power source for supplying power to the light source; and a housing accommodating the light source and the power source. The housing includes a case having an internal space, a glass plate for closing an opening of the case, and a partition plate for partitioning the internal space into a light source chamber and a power source chamber. The power supply is disposed in the power supply chamber, and the light source is disposed in the light source chamber, and the light source can emit light to the outside of the housing through the glass plate. The lighting device is filled with an adhesive in a space partitioned by the case, the glass plate, and the partition plate.
Description
Technical Field
The present invention relates to a lighting device.
Background
Conventionally, a pressure-resistant explosion-proof type lighting device is known (for example, refer to patent document 1).
The lighting device includes a light source, a battery for supplying power to the light source, and a housing for accommodating the light source and the battery. An opening is formed in the housing, and the opening is closed by a glass plate. The light source is configured to emit light to the outside of the housing through the glass plate. The housing is partitioned into a space for accommodating the light source and a space for accommodating the battery.
Prior art literature
Patent literature
Patent document 1: japanese patent No. 6166809
Disclosure of Invention
Problems to be solved by the invention
Here, in the above-described lighting device that partitions the internal space of the housing, a partition plate may be provided. In this case, when the glass plate is fixedly joined to the housing by using an adhesive and the partition plate is fixedly joined to the housing by using an adhesive, a step of curing the two adhesives separately is required at the time of production, which has a problem of low productivity.
The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a lighting device capable of improving productivity.
Means for solving the problems
The lighting device according to the present invention includes: a light source; a power source for supplying power to the light source; and a housing accommodating the light source and the power source. The housing includes a case having an internal space, a glass plate for closing an opening of the case, and a partition plate for partitioning the internal space into a light source chamber and a power source chamber. The power supply is disposed in the power supply chamber, and the light source is disposed in the light source chamber, and the light source can emit light to the outside of the housing through the glass plate. The lighting device is filled with an adhesive in a space partitioned by the case, the glass plate, and the partition plate.
With this configuration, since the glass plate is fixedly joined to the housing by the one-place adhesive and the partition plate is fixedly joined to the housing, productivity can be improved as compared with the case where the glass plate and the partition plate are separately fixedly joined to the housing.
In the above-described lighting device, the volume of the light source chamber may be smaller than the volume of the power source chamber.
In the above-described lighting device, the case may include a front case and a rear case, the front case and the rear case may be combined to form an internal space, the opening may be formed in the front case, the first gasket may be interposed between the glass plate and the front case, the second gasket may be interposed between the glass plate and the partition plate, and the adhesive may be filled in the space partitioned by the front case, the glass plate, the partition plate, the first gasket, and the second gasket.
In this case, a protrusion may be formed on the partition plate, and the protrusion may be disposed between the glass plate and the front case.
Effects of the invention
According to the lighting device of the present invention, improvement in productivity can be achieved.
Drawings
Fig. 1 is a perspective view showing a lighting device according to the present embodiment.
Fig. 2 is a cross-sectional view showing the lighting device of fig. 1.
Fig. 3 is an enlarged view showing a fixing joint portion of the lighting device of fig. 2.
Detailed Description
An embodiment of the present invention will be described below.
First, a lighting device 100 according to an embodiment of the present invention will be described with reference to fig. 1 to 3.
The lighting device 100 is pressure-resistant and explosion-proof, and is used in dangerous places such as factories. As shown in fig. 1, the lighting device 100 is disk-shaped, and is mounted on a ceiling or the like using a mount 7, for example. The lighting device 100 includes an LED lamp 1, a power source 2 (see fig. 2) that supplies power to the LED lamp 1, and a housing 3 that accommodates the LED lamp 1 and the power source 2. In fig. 1 to 3, the Z1 direction side is a rear side (upper side in the case of being provided to a ceiling) of the lighting device 100, and the Z2 direction side is a front side (lower side in the case of being provided to a ceiling) of the lighting device 100.
The LED lamp 1 has a disk shape, and is configured to be capable of being lighted by power supplied from the power supply 2. The LED lamps 1 are provided in plural (for example, five) and are arranged at predetermined intervals in the circumferential direction. The plurality of LED lamps 1 are accommodated in a lamp chamber R2 (see fig. 2) of the housing 3, which will be described later. Further, the LED lamp 1 is an example of the "light source" of the present invention.
As shown in fig. 2, the power supply 2 is accommodated in a power supply chamber R1 of the housing 3, which will be described later. The power supply 2 is connected to the LED lamp 1 via an electric wire (not shown), and is connected to an external power supply (not shown) via an electric wire (not shown), so that electric power can be supplied to the LED lamp 1.
The housing 3 has a hollow disk shape, and includes a case 31 having an inner space, a glass plate 32 for closing an opening 354a of the case 31, and a partition plate 33 for partitioning the inner space of the case 31 into a power supply chamber R1 and a lamp chamber R2. The lamp room R2 is an example of the "light source room" of the present invention.
The case 31 includes a rear case 34 and a front case 35 which are made of aluminum by die casting, and an inner space is formed by assembling the rear case 34 and the front case 35. The rear case 34 and the front case 35 are connected to be openable and closable via a slide hinge 6 (see fig. 1).
The rear case 34 has a rear end wall portion 341, a peripheral wall portion 342, and a flange portion 343. The rear end wall portion 341 is formed in a circular shape, and the attachment 7 is attached to the outer side by a bolt 71.
The peripheral wall portion 342 is formed in a cylindrical shape, and extends from the outer peripheral portion of the rear end wall portion 341 toward the front side (Z2 direction side). A through hole 342a is formed in the peripheral wall portion 342, and a rubber sleeve (not shown) is press-fitted into the through hole 342a, for example. The rubber boot is configured to allow a wire for connecting the power source 2 to an external power source to be inserted therethrough, and to seal the through hole 342a in which the wire is disposed. Further, a tapered surface 342b is formed on the outer peripheral surface of the peripheral wall 342 on the front side facing the flange 343. The tapered surface 342b is formed so as to decrease in diameter as it goes toward the front side.
The flange portion 343 is formed to protrude radially outward from the outer peripheral surface of the peripheral wall portion 342. The flange portion 343 is disposed at an intermediate portion in the front-rear direction (Z1 direction and Z2 direction) of the peripheral wall portion 342, and is disposed at the root portion of the tapered surface 342b.
The front case 35 includes a front end wall portion 351, a peripheral wall portion 352, a flange portion 353, and a projection portion 354. The front end wall portion 351 is formed in an annular shape, and is provided with a protruding portion 354 on the inside.
The peripheral wall portion 352 is cylindrical and is formed to extend from the rear side (Z1 direction side) of the outer surface Zhou Buxiang of the front end wall portion 351. A tapered surface 352a is formed on the inner peripheral surface of the peripheral wall portion 352 on the open end side (Z1 direction side). The tapered surface 352a is formed to expand in diameter as it proceeds to the rear side. The degree of inclination of the tapered surface 352a is set to be the same as that of the tapered surface 342b.
The flange 353 is formed to protrude radially outward from the outer peripheral surface of the peripheral wall 352. The flange 353 is disposed at the rear end (open-end) of the peripheral wall 352. An annular groove 353a is formed in the flange portion 353, and an O-ring 41 is disposed in the annular groove 353 a.
The flange portion 353 is attached to the flange portion 343 by bolts 51. That is, the rear case 34 and the front case 35 having a bottomed tubular shape are combined so that the open ends thereof face each other. Accordingly, an inner space is formed by the rear case 34 and the front case 35.
At this time, the front end side of the peripheral wall portion 342 of the rear case 34 is fitted inside the peripheral wall portion 352 of the front case 35, and the tapered surface 342b and the tapered surface 352a are in close contact. Thus, the creepage distance between the inner space of the case 31 and the outside (the shortest distance from the inner space of the case 31 to the outside at the portion where the rear case 34 and the front case 35 are in close contact) is long, and the sealability at the assembly site of the rear case 34 and the front case 35 is appropriately ensured.
The protruding portion 354 is formed in a substantially circular shape when viewed from the front side, and is provided so as to protrude from the front end wall portion 351 toward the front side (Z2 direction side). A circular opening 354a is formed in the protruding portion 354. That is, the protruding portion 354 has a cylindrical portion extending forward from a radially inner end portion of the front end wall portion 351, and an inner flange portion protruding inward from a front end (end portion in the Z2 direction) of the cylindrical portion.
The glass plate 32 is configured to be disposed on the protruding portion 354 and to close the opening 354a. The glass plate 32 is a circular transparent tempered glass, and transmits light emitted from the LED lamp 1.
The partition plate 33 is provided to partition the internal space of the housing 31 into a power supply chamber R1 and a lamp chamber R2. The partition plate 33 is aluminum die-cast, and is formed in a circular disk shape. That is, a circular recess 331 is formed in the center of the partition plate 33 as viewed from the front side. The recess 331 is provided for forming the lamp chamber R2. The partition plate 33 is attached to the front case 35 by bolts 52.
The power supply chamber R1 is provided on the rear side (Z1 direction side), and a power supply 2 is disposed therein. The lamp chamber R2 is provided on the front side (Z2 direction side), and the LED lamp 1 is disposed inside thereof. Specifically, the power supply 2 is mounted to the rear end wall portion 341 of the rear case 34, and the led lamp 1 is mounted to the recess 331 of the partition plate 33. The LED lamp 1 can emit light to the outside (front side) of the housing 3 via the glass plate 32. The volume of the lamp chamber R2 is smaller than the volume of the power supply chamber R1.
Here, in the present embodiment, the outer edge portion of the glass plate 32 is sandwiched between the protruding portion 354 of the front case 35 and the partition plate 33. An annular gasket 42 is interposed between the glass plate 32 and the projection 354, and an annular gasket 43 is interposed between the glass plate 32 and the partition plate 33. The spacers 42 and 43 are examples of "first spacers" and "second spacers" of the present invention, respectively.
As shown in fig. 3, the space defined by the front case 35, the glass plate 32, the partition plate 33, the gasket 42, and the gasket 43 is filled with an adhesive 44. Therefore, with the one-place adhesive 44, the glass plate 32 is fixedly joined to the front case 35, and the partition plate 33 is fixedly joined to the front case 35. The fixing joint portion formed by the adhesive 44 ensures the sealing property between the lamp chamber R2 and the power supply chamber R1, and ensures the sealing property between the lamp chamber R2 and the outside. The adhesive 44 is, for example, a one-liquid moisture-curable silicone adhesive. In addition, the space filled with the adhesive 44 is formed in a circular ring shape.
Specifically, an abutment surface 332 is formed at the outer edge portion of the front side surface of the partition plate 33, a protrusion 333 is formed radially inward of the abutment surface 332, and a groove 334 is formed radially inward of the protrusion 333. When viewed from the front side, the contact surface 332 is a circular flat surface. The protrusion 333 is formed to protrude toward the front side (Z2 direction side) and is formed to extend in the circumferential direction. That is, the protrusion 333 is formed in an annular shape when viewed from the front side. The groove portion 334 is formed to be recessed to the rear side (Z1 direction side) and is formed to extend in the circumferential direction. That is, the groove 334 is formed in an annular shape when viewed from the front side. A spacer 43 is disposed in the groove 334.
A receiving surface 351a is formed on the inner surface (surface on the Z1 direction side) of the front end wall portion 351. The receiving surface 351a is provided on the front side (Z2 direction side) with respect to the outer edge portion of the inner surface, and receives the contact surface 332 of the partition plate 33. Therefore, the partition plate 33 is fitted to the inner surface of the front end wall portion 351, and the contact surface 332 is in close contact with the receiving surface 351a.
Further, a groove 354e is formed in an inner surface (surface on the Z1 direction side) of the inner flange of the protruding portion 354. The groove 354e is formed to be recessed toward the front side and is formed to extend in the circumferential direction. That is, the groove 354e is formed in an annular shape when viewed from the rear side. A spacer 42 is disposed in the groove 354e.
Further, the radially outer end of the groove 354e is connected to the radially inner end of the receiving surface 351a by the inner peripheral surface of the cylindrical portion of the protrusion 354. The inner peripheral surface has a tapered surface 354b, a connecting surface 354c, and a tapered surface 354d. The tapered surfaces 354b and 354d are formed so as to be tapered toward the front side, and the connection surface 354c is formed so as to connect the tapered surfaces 354b and 354d together. That is, the tapered surface 354b is disposed radially outward and is formed to connect the receiving surface 351a and the connecting surface 354 c. The tapered surface 354d is disposed radially inward and is formed to connect the groove 354e to the connection surface 354 c. The connection surface 354c is formed to extend substantially in the radial direction.
The tapered surface 354b is disposed at a predetermined interval from the outer peripheral surface of the protrusion 333. The connection surface 354c is disposed at a predetermined interval from the end surface (surface on the Z2 direction side) of the protrusion 333. Therefore, the protrusion 333 of the partition plate 33 is disposed between the outer peripheral surface of the glass plate 32 and the tapered surface 354b of the front case 35.
Effects-
In the present embodiment, as described above, since the glass plate 32 is fixedly joined to the case 31 and the partition plate 33 is fixedly joined to the case 31 by the single adhesive 44, productivity can be improved and the number of components of the case 31 can be reduced and the size can be reduced, as compared with the case where the glass plate and the partition plate are separately fixedly joined to the case.
In addition, in the present embodiment, by reducing the volume of the lamp chamber R2, it is possible to suppress the strength required for the glass plate 32 from becoming high.
In the present embodiment, the protrusion 333 is formed on the partition plate 33, and the protrusion 333 is disposed between the glass plate 32 and the front case 35, so that the space partitioned by the front case 35, the glass plate 32, the partition plate 33, the gasket 42, and the gasket 43 can be filled with the adhesive 44 appropriately. In addition, since the creepage distance between the lamp room R2 and the power supply room R1 can be made longer, the sealability between the lamp room R2 and the power supply room R1 can be improved.
Other embodiments-
The embodiments described above are examples in all aspects, and are not to be construed as limiting. Accordingly, the technical scope of the present invention is not to be interpreted based on the above embodiments, but is to be defined based on the description of the claims. The technical scope of the present invention includes meaning equivalent to the technical means and all modifications within the scope.
For example, in the above embodiment, the example in which the LED lamp 1 is provided has been shown, but the present invention is not limited to this, and other lamps than the LED lamp may be provided.
In the above embodiment, the example in which five LED lamps 1 are provided has been shown, but the present invention is not limited to this, and the number of LED lamps provided may be any number.
In the above embodiment, a battery (not shown) may be disposed in the power supply chamber R1.
Industrial applicability
The present invention can be used in a lighting device including a light source, a power source for supplying power to the light source, and a housing for housing the light source and the power source, wherein an internal space of the housing is partitioned into a light source chamber and a power source chamber.
Description of the reference numerals
1LED lamp (light source);
2, a power supply;
3, a shell;
31 a housing;
32 glass plates;
33 dividing plates;
34 a rear housing;
35 a front housing;
42 shims (first shims);
43 shims (second shims);
44 an adhesive;
100 lighting devices;
333 tab;
354a opening.
Claims (3)
1. A lighting device is characterized in that,
the lighting device is provided with:
a light source;
a power supply that supplies power to the light source; and
a housing accommodating the light source and the power source,
the housing includes a case having an inner space, a glass plate for closing an opening of the case, a partition plate for partitioning the inner space into a light source chamber and a power source chamber,
the power supply is disposed in the power supply chamber, the light source is disposed in the light source chamber, the light source can emit light to the outside of the housing through the glass plate,
an adhesive is filled in a space partitioned by the case, the glass plate, and the partition plate,
the housing includes a front housing and a rear housing, the inner space is formed by combining the front housing and the rear housing,
the opening is formed in the front case,
a first gasket is sandwiched between the glass plate and the front case, a second gasket is sandwiched between the glass plate and the partition plate,
the adhesive is filled in a space partitioned by the front case, the glass plate, the partition plate, the first gasket, and the second gasket.
2. A lighting device as recited in claim 1, wherein,
the volume of the light source chamber is smaller than the volume of the power source chamber.
3. A lighting device as recited in claim 1, wherein,
the partition plate is formed with a protrusion disposed between the glass plate and the front case.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2020/018679 WO2021224989A1 (en) | 2020-05-08 | 2020-05-08 | Lighting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115210499A CN115210499A (en) | 2022-10-18 |
| CN115210499B true CN115210499B (en) | 2024-02-09 |
Family
ID=78468046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080097860.5A Active CN115210499B (en) | 2020-05-08 | 2020-05-08 | Lighting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115210499B (en) |
| WO (1) | WO2021224989A1 (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10144114A (en) * | 1996-11-06 | 1998-05-29 | Seiwa Electric Mfg Co Ltd | Luminaire |
| CN101131233A (en) * | 2006-08-24 | 2008-02-27 | 市光工业株式会社 | Vehicle interior lamp |
| DE202008012492U1 (en) * | 2007-10-05 | 2008-11-20 | Burri Public Elements Ag | Housing of an exterior lighting |
| CN203162759U (en) * | 2013-04-10 | 2013-08-28 | 深圳市创元光电技术有限公司 | Explosion-proof work lamp |
| CN204879555U (en) * | 2015-08-03 | 2015-12-16 | 杭州泰格电子电器有限公司 | Mould alclad LED bulb |
| CN205191376U (en) * | 2015-12-03 | 2016-04-27 | 广东先朗照明有限公司 | Double -deck waterproof luminous brick |
| CN205939052U (en) * | 2016-08-29 | 2017-02-08 | 安徽启利得照明科技有限公司 | Floodlight waterproof case |
| JP6166809B1 (en) * | 2016-03-01 | 2017-07-19 | 星和電機株式会社 | lighting equipment |
| CN107702027A (en) * | 2017-09-15 | 2018-02-16 | 福建天骥船舶科技有限公司 | A kind of quick disconnecting joint for ship LED lamp |
| WO2019132278A1 (en) * | 2017-12-27 | 2019-07-04 | 삼성전자주식회사 | Display device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4612120B2 (en) * | 2009-02-04 | 2011-01-12 | パナソニック株式会社 | Light bulb shaped lamp and lighting device |
| JP5052634B2 (en) * | 2010-02-25 | 2012-10-17 | シャープ株式会社 | Lighting device |
-
2020
- 2020-05-08 WO PCT/JP2020/018679 patent/WO2021224989A1/en active Application Filing
- 2020-05-08 CN CN202080097860.5A patent/CN115210499B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10144114A (en) * | 1996-11-06 | 1998-05-29 | Seiwa Electric Mfg Co Ltd | Luminaire |
| CN101131233A (en) * | 2006-08-24 | 2008-02-27 | 市光工业株式会社 | Vehicle interior lamp |
| DE202008012492U1 (en) * | 2007-10-05 | 2008-11-20 | Burri Public Elements Ag | Housing of an exterior lighting |
| CN203162759U (en) * | 2013-04-10 | 2013-08-28 | 深圳市创元光电技术有限公司 | Explosion-proof work lamp |
| CN204879555U (en) * | 2015-08-03 | 2015-12-16 | 杭州泰格电子电器有限公司 | Mould alclad LED bulb |
| CN205191376U (en) * | 2015-12-03 | 2016-04-27 | 广东先朗照明有限公司 | Double -deck waterproof luminous brick |
| JP6166809B1 (en) * | 2016-03-01 | 2017-07-19 | 星和電機株式会社 | lighting equipment |
| CN205939052U (en) * | 2016-08-29 | 2017-02-08 | 安徽启利得照明科技有限公司 | Floodlight waterproof case |
| CN107702027A (en) * | 2017-09-15 | 2018-02-16 | 福建天骥船舶科技有限公司 | A kind of quick disconnecting joint for ship LED lamp |
| WO2019132278A1 (en) * | 2017-12-27 | 2019-07-04 | 삼성전자주식회사 | Display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115210499A (en) | 2022-10-18 |
| WO2021224989A1 (en) | 2021-11-11 |
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