CN201262334Y

CN201262334Y - LED lamp structure

Info

Publication number: CN201262334Y
Application number: CNU2008201319673U
Authority: CN
Inventors: 陈文河; 陈明康; 林川发; 傅建豪
Original assignee: Zhengqi Science & Technology Co Ltd
Current assignee: Zhengqi Science & Technology Co Ltd
Priority date: 2008-08-22
Filing date: 2008-08-22
Publication date: 2009-06-24
Anticipated expiration: 2018-08-22

Abstract

The utility model relates to a lamp structure of a light-emitting diode, comprising a heat-reducing lamp frame holder, a plurality of light-emitting diode modules, a power supply converter of alternating current and direct current and a diffuser plate part; the lamp frame holder is provided with a holding space with an opening in a concave mode and is mainly formed by a reflecting ring sidewall and a basal wall; the light-emitting diode modules are arranged in the holding space in sequence and contacted with the basal wall; each light-emitting diode module comprises a circuit board and a plurality of light-emitting diodes which are electrically arranged on the circuit board; the power supply converter of alternating current and direct current is arranged on the lamp frame holder and electrically connected with the light-emitting diode module; and the diffuser plate part is arranged at the opening of the lamp frame holder. The lamp structure of the light-emitting diode has the advantage of heat dissipation and can reduce the whole size, weight and cost.

Description

LED lamp structure

Technical field

The utility model refers to a kind of LED lamp structure especially relevant for a kind of illuminating fitting structure.

Background technology

Be usually used in the lighting that throws light on now, typically use fluorescent tube and be located in the lamp door seat, use, for example at home, distinguish the fluorescent lamp and the lamp door seat that are set up in the public chamber on the ceiling to provide as ambient lighting in indoor grade.

But, because fluorescent tube still belongs to the light source of higher power consumption, and must use a plurality of fluorescent tubes to form the higher brightness of illumination of brightness, the problem that promotes power consumption is also arranged relatively; In addition, because fluorescent tube itself contains poisonous chemical gas and poisonous mercury composition, when causing fluorescent tube to break accidentally in the utilization process, make that promptly toxicant leaks, the problem that causes environmental pollution and enhance the awareness of the need to protect the environment, and more serious consequence, i.e. harmful to human and biological safety.

Therefore, the existing in recent years light fixture that uses light emitting diode (LED) as illumination, the present practice is that light emitting diode is arranged in the lamp door seat, and be provided with a power supply unit (powersupply) to be connected to civil power in the lamp door seat, convert the alternating current of civil power to direct current, and between power supply unit and light emitting diode, be electrically connected with direct current (DC)-direct current (DC) transformer, so that voltage step-down is used for light emitting diode, and can be provided with heat abstractor and use for LED heat radiating; So compare as the light fixture of illumination with the traditional fluorescent lamp pipe as the light fixture of illumination with light emitting diode, light emitting diode has the good characteristic of energy-conservation and tool environmental protection etc.

But the design of the light fixture of above-mentioned light emitting diode but has following problem:

1, the lamp door seat is provided with power supply unit, can increase whole volume, weight and increase cost.

2, light emitting diode must be considered the problem of heat radiation, is provided with the heat abstractor as fan, radiator etc., has also increased the consideration of whole volume, weight and increase cost etc.

Summary of the invention

The purpose of this utility model provides a kind of LED lamp structure, and it is to reach the consideration that has heat radiation and can alleviate whole volume, weight and cost etc. simultaneously; And, can reach the purpose of colour temperature homogenising, cause the infringement on the eyesight to prevent that colour temperature is uneven.

In order to achieve the above object, the utility model provides a kind of LED lamp structure, comprising: an analgesic lamp door seat, and it is concaved with an ostiolate accommodation space, and this accommodation space is mainly formed by a tore of reflection sidewall and a basal wall that is inclination; A plurality of light-emitting diode (LED) modules, be arranged at the accommodation space of this lamp door seat in order and be contacted with this basal wall, each light-emitting diode (LED) module comprises a circuit board and a plurality of light emitting diode that electrically is arranged on this circuit board, and each light emitting diode is towards this opening direction; At least one AC-DC power supply converter, it is arranged on this lamp door seat, and this AC-DC power supply converter and those light-emitting diode (LED) modules electrically connect; And at least one diffusion plate, it is arranged at the opening part of this lamp door seat.

The benefit that the utlity model has: electrically connect via AC-DC power supply converter and light-emitting diode (LED) module, become direct current to use with alternating current change/step-down for light-emitting diode (LED) module with civil power, so, compared with prior art, can exempt the use power supply unit, to alleviate whole volume, weight and cost.

Secondly, light-emitting diode (LED) module is contacted with the lamp door seat that tool is separated thermal effect, therefore, during the light-emitting diode (LED) module running, the thermal source system that it produced can conduct to the lamp door seat and reach analgesic purpose, thereby can reduce the characteristics of using or exempting the use heat abstractor, to alleviate the consideration of whole volume, weight and cost.

Moreover, the arrangement mode in regular turn of light-emitting diode (LED) module, it can reach the purpose of colour temperature homogenising, so, can reduce the phenomenon of the fatigue of personnel's eyesight, causes the infringement on the eyesight to prevent the colour temperature inequality.

For enabling further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended accompanying drawing only provide with reference to and explanation usefulness, be not to be used for to the utility model limitr in addition.

Description of drawings

Fig. 1 is a perspective exploded view of the present utility model.

Fig. 2 is a three-dimensional combination schematic diagram of the present utility model.

Fig. 3 is an assembled sectional view of the present utility model.

Fig. 4 is the perspective exploded view of another embodiment of the utility model.

Fig. 5 is the perspective exploded view of the utility model time embodiment.

Fig. 6 is the utility model solid combination schematic diagram of an embodiment again.

Fig. 7 is the enforcement view on the utility model the is installed in light steelframe.

Fig. 8 is the solid combination schematic diagram of the another embodiment of the utility model.

Wherein, description of reference numerals is as follows:

1 lamp door seat

11 accommodation spaces, 111 openings

12 tore of reflection sidewalls, 13 basal walls

2 light-emitting diode (LED) modules

21 circuit boards, 22 light emitting diodes

23 heat radiation plates

3 AC-DC power supply converters

31 leads

4 diffusion plates

5 barriers

6 human body sensors

7 soft light luminous unit

71 circuit substrates, 72 soft light luminous diodes

8 light steelframes

The specific embodiment

Please consult Fig. 1 earlier to shown in Figure 3, the utility model provides a kind of LED lamp structure, and it comprises analgesic lamp door seat 1, a plurality of light-emitting diode (LED) module 2, at least one interchange (AC)-direct current (DC) supply convertor 3 and an at least one diffusion plate 4.

The metalwork that lamp door seat 1 is separated (loosing) thermal effect by tool is made, the metalwork of aluminium etc. for example, and lamp door seat 1 is concaved with the accommodation space 11 of a tool opening 111, wherein accommodation space 11 is mainly formed by a tore of reflection sidewall 12 and a basal wall 13 that is inclination, and tore of reflection sidewall 12 can form with lamp door seat 1 one.In the utility model, tore of reflection sidewall 12 rectangular shapes, but not as limit also can rounded shape, polygon-shaped, as five, hexagon etc., but all belongs in the scope that tore of reflection sidewall 12 described in the utility model comprised.

Each light-emitting diode (LED) module 2 includes a circuit board 21 and a plurality of light emitting diode 22 that is electrically connected on the circuit board 21, also comprise one and oppositely be located at radiating panel 23 on the circuit board 21 with those light emitting diodes 22, its metalwork by the tool thermal diffusivity is made.

During installation, in light-emitting diode (LED) module 2 accommodation space that is arranged at lamp door seat 1 11 in regular turn and be contacted with basal wall 13 respectively, and the light emitting diode 22 of each light-emitting diode (LED) module 2 is towards opening 111 directions of lamp door seat 1; Wherein, the heat radiation plate 23 of each light-emitting diode (LED) module 2 is oppositely pasted with light emitting diode 22 touch on the basal wall 13 of lamp door seat 1.

The quantity of AC-DC power supply converter 3 can be established according to actual demand, be to be example in the utility model with one, it is arranged at the appropriate position on the lamp door seat 1, preferably, can be located in the accommodation space 11 of lamp door seat 1, and AC-DC power supply converter 3 electrically connects with these light-emitting diode (LED) modules 2, can electrically connect with the circuit board 21 of corresponding light-emitting diode (LED) module 2 by lead 31, and reach the purpose that both electrically connect mutually, and AC-DC power supply converter 3 directly electrically connects with civil power, becomes direct current to use for light-emitting diode (LED) module 2 with the alternating current change/step-down with civil power.

The diffusion plate 4 quantity can establish according to the actual design demand, can be one or more, in the utility model be with one be example, it is arranged at opening 111 places of lamp door seat 1; Therefore, after the light emitting diode 22 of each light-emitting diode (LED) module 2 discharges light, and then the light source that produces can be penetrated the light source reflexed and optically focusedization via the tore of reflection sidewall 12 of lamp door seat 1, then during light source directive opening 111, diffusion plate 4 can be with evenly diffusion and according to locating to institute's desire illumination of light source.

In alternate embodiment of the present utility model, light-emitting diode (LED) module 2 can have multiple arrangement mode, but not as limit, it is exemplified below:

1, as shown in Figure 1, light-emitting diode (LED) module 2 can reach the above arrayed mode with a row in the space, thereby is arranged on the basal wall 13 of lamp door seat 1.

2, as shown in Figure 4, as above-mentioned explanation, light-emitting diode (LED) module 2 is also with the space and in the above arrayed mode of a row, be arranged on the basal wall 13 of lamp door seat 1, yet, in the utility model, also can further comprise a plurality of barriers 5 that are inclination, it is located at respectively in the accommodation space 11 of lamp door seat 1, and be located in regular turn between the two adjacent light-emitting diode (LED) modules 2, to strengthen the reflex of light-emitting diode (LED) module 2 light sources.

3, as shown in Figure 5, light-emitting diode (LED) module 2 spacer ring is each other established to surround into peripheral arrangement mode in the form of a ring, and class is " rice " on the basal wall that is arranged at lamp door seat 1 13 of font.

4, as shown in Figure 6, light-emitting diode (LED) module 2 can be used adjacent arrangement mode in the form of a ring end to end, and on the basal wall that is arranged at lamp door seat 1 13 that class is polygon-shaped (as rectangle).

In addition, in the utility model, as shown in Figure 7, also can further comprise a human body sensor 6, it can be arranged at suitable position (on light steelframe 8) and electrically connect with the circuit board 21 of each light-emitting diode (LED) module 2, in order to sensing personnel's body temp, with the startup of electrical control light-emitting diode (LED) module 2 with close.Human body sensor 6 can be an infrared human body sensor (PIR), according to the infrared ray that human body temperature is distributed, controls the open and close of light-emitting diode (LED) module 2 with detecting this infrared ray of induction in the scope of specific region.On the other hand, also can further be provided with controlled in wireless assembled unit (not icon) in the utility model, in order to control the brightness of each light-emitting diode (LED) module 2, also be that the controlled in wireless assembled unit can have a sensor and a reception controller, can detect the brightness power of environment by sensor, then wireless transmission one sensing signal is to receiving controller, receiving controller can control the brightness power of each light-emitting diode (LED) module 2 and do a suitably adjustment, but not as limit, can make otherwise yet and control the brightness of light-emitting diode (LED) module 2, the utility model is not limited.

In addition, in the utility model, as shown in Figure 8, also can further comprise a soft light luminous unit 7, it is arranged in the accommodation space 11 of lamp door seat 1, and electrically connects with AC-DC power supply converter 3.Soft light luminous unit 7 can include a circuit substrate 71 and at least one and electrically be arranged at soft light luminous diode 72 on the circuit substrate 71, and its light wave can be gold-tinted or orange light etc.When insufficient light and light-emitting diode (LED) module 2 are closed, can control soft light luminous unit 7 and discharge flexible light source, make to the utlity model has the function that is similar to as mini light night.

By above-mentioned explanation, as shown in Figure 7, the utility model can provide numerously and be arranged on the ceiling, and is set up on the light steelframe 8, uses as room lighting being provided in.

Comprehensive above-mentioned explanation, the utility model electrically connects via AC-DC power supply converter 3 and light-emitting diode (LED) module 2, become direct current to use with alternating current change/step-down for light-emitting diode (LED) module 2 with civil power, so, compared with prior art, can exempt the use power supply unit, to alleviate whole volume, weight and cost.

Secondly, light-emitting diode (LED) module 2 is contacted with the lamp door seat 1 that tool is separated thermal effect, therefore, during light-emitting diode (LED) module 2 runnings, the thermal source that it produced can conduct to lamp door seat 1 and reach analgesic purpose, thereby can reduce the characteristics of using or exempting the use heat abstractor, to alleviate the consideration of whole volume, weight and cost.

Moreover, the arrangement mode in regular turn of light-emitting diode (LED) module 2, it can reach the purpose of colour temperature homogenising, so, can reduce the phenomenon of the fatigue of personnel's eyesight, causes the infringement on the eyesight to prevent the colour temperature inequality.

The above only is a preferable possible embodiments of the present utility model, non-so promptly limit to claim of the present utility model, so the equivalent structure that uses the utility model specification and accompanying drawing content to do such as changes, and all in like manner all is contained in the scope of the present utility model.

Claims

1, a kind of LED lamp structure is characterized in that, comprising:

One analgesic lamp door seat, it is concaved with an ostiolate accommodation space, and this accommodation space is formed by a tore of reflection sidewall and a basal wall that is inclination;

A plurality of light-emitting diode (LED) modules, be arranged at the accommodation space of this lamp door seat in order and be contacted with this basal wall, each light-emitting diode (LED) module comprises a circuit board and a plurality of light emitting diode that electrically is arranged on this circuit board, and each light emitting diode is towards this opening direction;

At least one AC-DC power supply converter, it is arranged on this lamp door seat, and this AC-DC power supply converter and those light-emitting diode (LED) modules electrically connect; And

At least one diffusion plate, it is arranged at the opening part of this lamp door seat.

2, LED lamp structure as claimed in claim 1 is characterized in that, those light-emitting diode (LED) modules are arranged on the basal wall of this lamp door seat with the space and with the above arrayed of a row.

3, LED lamp structure as claimed in claim 1, it is characterized in that, also comprise a plurality of barriers, those light-emitting diode (LED) modules are arranged on the basal wall of this lamp door seat with the space and with the above arrayed of a row, and those barriers are to be located in order between the two adjacent light-emitting diode (LED) modules.

4, LED lamp structure as claimed in claim 1 is characterized in that, the arrangement that those light-emitting diode (LED) modules are established to center in the form of a ring with mutual spacer ring is arranged on the basal wall of this lamp door seat.

5, LED lamp structure as claimed in claim 4 is characterized in that, those light-emitting diode (LED) modules are arranged on the basal wall of this lamp door seat with adjacent arrangement in the form of a ring end to end.

6, as claim 1,2,3,4 or 5 described LED lamp structures, it is characterized in that, each light-emitting diode (LED) module also comprises one and oppositely is located at heat radiation plate on this circuit board with those light emitting diodes, and the heat radiation plate of each light-emitting diode (LED) module pastes and touches in the basal wall of this lamp door seat.

7, LED lamp structure as claimed in claim 6 is characterized in that, also comprises a human body sensor, and itself and those light-emitting diode (LED) module electrically connects, with the open and close of electrical those light-emitting diode (LED) modules of control.

8, LED lamp structure as claimed in claim 7 is characterized in that, also comprises a soft light luminous unit, and it is arranged in the accommodation space of this lamp door seat, and electrically connects with this AC-DC power supply converter.

9, LED lamp structure as claimed in claim 8 is characterized in that, this soft light luminous unit comprises a circuit substrate and at least one and electrically is arranged at soft light luminous diode on this circuit substrate.