CN201170466Y - Table lamp - Google Patents
Table lamp Download PDFInfo
- Publication number
- CN201170466Y CN201170466Y CNU2008201013329U CN200820101332U CN201170466Y CN 201170466 Y CN201170466 Y CN 201170466Y CN U2008201013329 U CNU2008201013329 U CN U2008201013329U CN 200820101332 U CN200820101332 U CN 200820101332U CN 201170466 Y CN201170466 Y CN 201170466Y
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- Prior art keywords
- desk lamp
- control circuit
- support arm
- lamp according
- lamp
- Prior art date
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- Expired - Fee Related
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model provides a table lamp, comprising a seat, a supporting arm, a suspension arm, a lamp base provided with a lamp body and a control circuit. The seat, the supporting arm, the suspension arm and the lamp base are connected by pin joint, therefore, overlapping can be achieved easily and the table lamp is nice in appearance and is easy to carry. The table lamp also adopts a high-power LED luminescent diode as a light source and a bowl-shape radiating groove is arranged on the lamp base, thereby, the problem of heat radiation during the use of high-power light source is resolved. Besides, the control circuit adopts a touch control switch, and a switching constant-current circuit is used to provide power supply to the LED, therefore, the table lamp is free of stroboscopic phenomenon and capable to protect the eyes of the user.
Description
[technical field]
The utility model relates to a kind of desk lamp, but particularly a kind of portable desk lamp of enough brightness flexible modulation belongs to lighting field.
[background technology]
Major part is all used conventional light source in traditional desk lamp, and as incandescent lamp, fluorescent lamp, energy consumption is big, the life-span is short, does not meet energy-conservation theory; And these light sources have stroboscopic, are unfavorable for the protection of eyesight.Also what adopt is φ 5 single tubes among the LED more as the desk lamp of light source even use LED, has the low problem of brightness, is unfavorable for the protection of eyesight.And all there are defectives such as volume is big, inconvenience is carried in above-mentioned two kinds of desk lamps, and make product flexibility little, can not satisfy the needs of more extensive customers.
[summary of the invention]
The purpose of this utility model is to provide a kind of desk lamp, collapsible, be easy to carry, the lamp holder adjustable range is wide and energy consumption is little, the life-span is long.
The utility model is achieved in that a kind of desk lamp, comprise base, support arm, cantilever, lamp holder and control circuit, it is characterized in that: the lower ending pivot of described support arm is connected on the described base, the upper end then articulates with described cantilever, the other end of described cantilever and described lamp holder articulate, above-mentioned desk lamp each several part all adopts the pivot joint mode to connect, and easily realizes the folding of desk lamp, is convenient for carrying.
The rotary joint mode that described support arm and cantilever adopt double grip-pieces to constitute articulates, and cantilever can rotate freely in 210 degree scopes around the shaft like this, has enlarged the scope of application; And this support arm is a telescopic antenna formula support arm, and the flexible and rotation that utilizes telescopic antenna is with the convenient position of adjusting light source.
The front of described lamp holder is a metal decking, described lamp holder comprises that upper casing and metal decking encapsulation constitute, the inside of upper casing and metal decking encapsulation is provided with a heat radiation bowl, the heat radiation bowl is built-in with lamp body, the middle position of this metal decking also is concaved with two reflectors, and described lamp body passes reflector and exposes.Described lamp body is directly to be fixed on the aluminium base pcb board by two great power LEDs, has both played the connecting circuit effect, also plays thermolysis.The heat that the heat radiation bowl can send lamp body is delivered to above the metal decking, has solved the heat dissipation problem during high power light source uses.
Be provided with a balancing weight in the described base, keep the steady of desk lamp.
Described control circuit is made up of touch control circuit and constant-current drive circuit two parts, and described touch control circuit adopts monostable circuit and bistable circuit.Utilize monostable circuit that touch signal is carried out the pulse stretching shaping, make the upset of bistable circuit output, drive or end the constant-current circuit for the LED power supply, the two has constituted the switching regulator constant-current circuit cleverly.
Also be provided with short-circuit protection circuit in the described constant-current drive circuit.
Described control circuit connects the external power power supply by power supply adaptor.
The utility model adopts above-mentioned structure, compares with structure in the past to have following advantage: owing to adopted high brightness, long-life great power LED, whole light fixture energy consumption is little, the life-span is long, stability is high.Be equipped with power supply adaptor, but user's flexible Application is in various office occasions.And the desk lamp each several part all adopts the pivot joint mode to connect, and easily realizes the folding of desk lamp, and whole Table lamp structure compactness is easy to carry.And direct current supply, no stroboscopic can be protected eyes well.
[description of drawings]
In conjunction with the embodiments the utility model is further described with reference to the accompanying drawings.
Fig. 1 is the overall structure schematic diagram of the utility model desk lamp.
Fig. 2 is the utility model Desk lamp feet decomposition texture schematic diagram.
Fig. 3 is the support arm and the cantilever decomposition texture schematic diagram of the utility model desk lamp.
Fig. 4 is the lamp holder decomposition texture schematic diagram of the utility model desk lamp.
Fig. 5 is the control circuit principle schematic of the utility model desk lamp.
Fig. 6 is the utility model desk lamp folded state schematic diagram.
[specific embodiment]
Seeing also shown in Figure 1ly, is the overall structure schematic diagram of the utility model desk lamp.Desk lamp is followed successively by base 1, support arm 2, cantilever 3 and lamp holder 4 from top to bottom, and the lower ending pivot of described support arm 2 is connected on the base 1, and the upper end then articulates with cantilever 3, and the other end of described cantilever 3 and described lamp holder 4 articulate.
Please in conjunction with illustrated in figures 1 and 2, Fig. 2 is the utility model Desk lamp feet decomposition texture schematic diagram.Described base 1 comprises lower casing 11, lower cover 12 and bottom 13.Be provided with a balancing weight 14 and a circuit board 15 that is used for keeping the desk lamp balance in the space that lower casing 11 and bottom 13 are surrounded.Convex with a metal touch sheet 16 on the lower cover 12, touch sheet 16 lower ends and be connected to circuit board 15 by two sheet metals 162.Also have two feets 17 on the base 1 in the present embodiment, feet 17 1 ends are fixed on the lower casing 11, and are connected with control circuit on the control circuit board 15, and the other end is provided with pin-jointed structure 172, is used to articulate described support arm 2.A DC (direct current) socket 18 is also established in the rear end of base 1.
In conjunction with shown in Figure 3, Fig. 3 is the support arm and the cantilever decomposition texture schematic diagram of the utility model desk lamp again.Described support arm 2 adopts the design of telescopic antenna formula, cantilever 3 mainly is made of two metallic rod 31 in the present embodiment, 2 of support arms are connected and composed by two metal pull bar antennas, 21 usefulness, one connecting rod 22, the one end is articulated on the feet 17 of base 1 and can conducts electricity, and utilizes stretching of metal pull bar antenna 21 to adjust the height of desk lamp light source.In the metal pull bar antenna 21 of every support arm 2 and the pivot points of the metallic rod 31 of cantilever 3, one rotary joint 23 is set, this rotary joint 23 connects a pair of double grip-pieces 233 by two parallel rotating shafts 231 (232) and constitutes, one end of the metallic rod 31 of described cantilever 3 rotatably is socketed in this rotating shaft 232, one end of the metal pull bar antenna 21 of support arm 2 then rotatably is socketed in this rotating shaft 231, the two is fixed on metallic rod 31 and metal pull bar antenna 21 between the double grip-pieces 232, cantilever 3 can 232 rotate freely in 210 degree scopes around the shaft like this, with the convenient position of adjusting light source, thereby enlarged the scope of application.The other end of the metallic rod 31 of described cantilever 3 and described lamp holder 4 articulate.
As shown in Figure 4, be the lamp holder decomposition texture schematic diagram of the utility model desk lamp.Described lamp holder 4 mainly is made of a upper casing 41 and metal decking 42 encapsulation, and this upper casing 41 is provided with a heat radiation bowl 43 with metal decking 42 inside, and heat radiation bowl 43 is built-in with lamp body 44, and described lamp body 44 is high-power LED light emitting diodes, as 1W, but is not less than 1W.The middle position of this metal decking 42 also is concaved with two reflectors 45, and described lamp body 44 passes reflector 45 and exposes, and this heat radiation bowl 43 can be delivered to the heat that lamp body 44 sends metal decking 42, thereby has solved the heat dissipation problem in the high power light source use.This metal decking 42 also convexes with two fixed legs 46, also convexes with a metal connector 47 in the fixed leg 46.Metal connector 47 1 ends and lamp body 44 link to each other by lead, play conduction; The other end articulates by pin-jointed structure 472 and cantilever 3.
As shown in Figure 5, be the control circuit principle schematic of the utility model desk lamp.The control circuit of the utility model desk lamp mainly is to be connected and composed by touch control circuit and constant-current drive circuit two parts.Described touch control circuit adopts monostable circuit and bistable circuit respectively.Utilize monostable circuit that touch signal is carried out the pulse stretching shaping, make the upset of bistable circuit output, drive or end the constant-current drive circuit for the LED power supply, the two has constituted the switching regulator constant-current circuit cleverly.Direct current supply, no stroboscopic can be protected eyes well.Because the utility model desk lamp mainly comes turning circuit by metallic rod, also be provided with short-circuit protection circuit in described constant-current drive circuit part, prevent the damage that short circuit brings.Described control circuit connects the external power power supply by power supply adaptor.
The utility model has adopted high brightness, long-life great power LED, and whole light fixture energy consumption is little, the life-span long, stability is high.Be equipped with power supply adaptor, but user's flexible Application is in various office occasions.And the desk lamp each several part all adopts the pivot joint mode to connect, and easily realizes the folding of desk lamp, and folded state can be as shown in Figure 6, can be close to base 1 surface after support arm 2 rotations, and lamp holder 4 can be close to the back side of base 1 after cantilever 3 rotations, so, whole Table lamp structure is very compact, is easy to carry.
Claims (9)
1, a kind of desk lamp comprises base, support arm, cantilever, lamp holder and control circuit, it is characterized in that: the lower ending pivot of described support arm is connected on the described base, and the upper end then articulates with described cantilever, and the other end of described cantilever and described lamp holder articulate.
2, a kind of desk lamp according to claim 1 is characterized in that: the rotary joint mode that described support arm and cantilever adopt double grip-pieces to constitute articulates.
3, a kind of desk lamp according to claim 2 is characterized in that: described support arm is a telescopic antenna formula support arm.
4, a kind of desk lamp according to claim 1, it is characterized in that: described lamp holder comprises that upper casing and metal decking encapsulation constitute, the inside of upper casing and metal decking encapsulation is provided with a heat radiation bowl, the heat radiation bowl is built-in with lamp body, the end, closely contact with lamp body in the heat radiation bowl, the edge closely contacts with metal decking, and the middle position of this metal decking also is concaved with two reflectors, and described lamp body passes reflector and exposes.
5, a kind of desk lamp according to claim 4 is characterized in that: described lamp body is a 1W great power LED light emitting diode.
6, a kind of desk lamp according to claim 1 is characterized in that: described control circuit is located in the described base, also is provided with a balancing weight in this base.
7, a kind of desk lamp according to claim 1 is characterized in that: described control circuit is made up of touch control circuit and constant-current drive circuit two parts.
8, a kind of desk lamp according to claim 7 is characterized in that: also be provided with short-circuit protection circuit in the described constant-current drive circuit.
9, a kind of desk lamp according to claim 1 is characterized in that: described control circuit connects the external power power supply by power supply adaptor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201013329U CN201170466Y (en) | 2008-02-01 | 2008-02-01 | Table lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201013329U CN201170466Y (en) | 2008-02-01 | 2008-02-01 | Table lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201170466Y true CN201170466Y (en) | 2008-12-24 |
Family
ID=40209519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201013329U Expired - Fee Related CN201170466Y (en) | 2008-02-01 | 2008-02-01 | Table lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201170466Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278654A (en) * | 2011-07-29 | 2011-12-14 | 深圳市聚作实业有限公司 | LED (light-emitting diode) table lamp |
| CN102305366A (en) * | 2011-07-29 | 2012-01-04 | 深圳市聚作实业有限公司 | Touch-control LED (light emitting diode) table lamp |
| CN102759043A (en) * | 2012-07-22 | 2012-10-31 | 江苏联星光电有限公司 | Folding LED (Light Emitting Diode) desk lamp |
| CN102889493A (en) * | 2011-07-20 | 2013-01-23 | 上海亮硕光电子科技有限公司 | LED (light-emitting diode) desk lamp with adjustable color temperature |
| WO2013159324A1 (en) * | 2012-04-27 | 2013-10-31 | Chen Shaofan | Portable led lamp |
| CN105240808A (en) * | 2014-05-29 | 2016-01-13 | 宁波高新区赛尔富电子有限公司 | Rotary lamp assembling structure |
| CN105717114A (en) * | 2016-01-27 | 2016-06-29 | 太仓飞顺温控设备有限公司 | Portable appearance detection device |
| CN105972510A (en) * | 2016-07-18 | 2016-09-28 | 佛山雪莱特电子商务有限公司 | Light source uniform type table lamp |
| CN106764631A (en) * | 2016-12-30 | 2017-05-31 | 复旦大学 | A kind of intelligent eyeshield desk lamp based on quantum dot light source |
| CN108286669A (en) * | 2017-12-27 | 2018-07-17 | 佛山市南海区联合广东新光源产业创新中心 | A kind of portable LED light |
-
2008
- 2008-02-01 CN CNU2008201013329U patent/CN201170466Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889493A (en) * | 2011-07-20 | 2013-01-23 | 上海亮硕光电子科技有限公司 | LED (light-emitting diode) desk lamp with adjustable color temperature |
| CN102278654A (en) * | 2011-07-29 | 2011-12-14 | 深圳市聚作实业有限公司 | LED (light-emitting diode) table lamp |
| CN102305366A (en) * | 2011-07-29 | 2012-01-04 | 深圳市聚作实业有限公司 | Touch-control LED (light emitting diode) table lamp |
| WO2013159324A1 (en) * | 2012-04-27 | 2013-10-31 | Chen Shaofan | Portable led lamp |
| CN102759043A (en) * | 2012-07-22 | 2012-10-31 | 江苏联星光电有限公司 | Folding LED (Light Emitting Diode) desk lamp |
| CN105240808A (en) * | 2014-05-29 | 2016-01-13 | 宁波高新区赛尔富电子有限公司 | Rotary lamp assembling structure |
| CN105240808B (en) * | 2014-05-29 | 2018-08-31 | 赛尔富电子有限公司 | A kind of rotating lamp package assembly |
| CN105717114A (en) * | 2016-01-27 | 2016-06-29 | 太仓飞顺温控设备有限公司 | Portable appearance detection device |
| CN105972510A (en) * | 2016-07-18 | 2016-09-28 | 佛山雪莱特电子商务有限公司 | Light source uniform type table lamp |
| CN106764631A (en) * | 2016-12-30 | 2017-05-31 | 复旦大学 | A kind of intelligent eyeshield desk lamp based on quantum dot light source |
| CN108286669A (en) * | 2017-12-27 | 2018-07-17 | 佛山市南海区联合广东新光源产业创新中心 | A kind of portable LED light |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20081224 Termination date: 20160201 |