CN102606908A - LED unit and lighting apparatus - Google Patents
LED unit and lighting apparatus Download PDFInfo
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- CN102606908A CN102606908A CN2011104273432A CN201110427343A CN102606908A CN 102606908 A CN102606908 A CN 102606908A CN 2011104273432 A CN2011104273432 A CN 2011104273432A CN 201110427343 A CN201110427343 A CN 201110427343A CN 102606908 A CN102606908 A CN 102606908A
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- Y02B20/343—
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Abstract
一种LED单元及照明器具，在具有不同种类的LED光源的LED单元中能够缩短各LED光源间的图案布线。在具有种类不同的第一LED光源(37A)和第二LED光源(37B)的LED单元(30)中，串联连接多个第一LED光源(37A)，并且以与第一LED光源(37A)相独立的系统串联连接多个第二LED光源(37B)。而且，由于将偶数个第一LED光源(37A)和偶数个第二LED光源(37B)交替配置，所以能够更短地连接LED基板(36)中的图案布线。由于还能够减少芯片跳线电阻等元件，所以能够避免成本升高。而且，作为LED基板(36)不需要使用两面基板，从而能够将LED基板(37)的安装面的反面用于散热。
An LED unit and a lighting fixture capable of shortening pattern wiring between LED light sources in an LED unit having different types of LED light sources. In the LED unit (30) having the first LED light source (37A) and the second LED light source (37B) of different kinds, a plurality of first LED light sources (37A) are connected in series, and the first LED light source (37A) A separate system connects multiple second LED light sources (37B) in series. Furthermore, since an even number of first LED light sources (37A) and an even number of second LED light sources (37B) are alternately arranged, it is possible to connect pattern wiring on the LED substrate (36) to a shorter length. Since components such as chip jumper resistors can also be reduced, cost increases can be avoided. Furthermore, it is not necessary to use a double-sided substrate as the LED substrate (36), so that the reverse side of the mounting surface of the LED substrate (37) can be used for heat dissipation.
Description
Technical field
The present invention relates to use the LED unit of led light source and used the ligthing paraphernalia of this LED unit.
Background technology
In the past, widely-used LED unit (for example with reference to patent documentation 1) with led light source.
Shown in Figure 20 (B) and Figure 20 (C), the ligthing paraphernalia 100 of patent documentation 1 record is to dispose one to one as the yellow led 101 (with reference to Figure 20 (A)) of the LED of low colour temperature with as the group of the blue led 102 (with reference to Figure 20 (A)) of the LED of high colour temperature.And, when the external irradiation, change (making drive current variations) through the brightness that makes blue led 102, thereby the colour temperature of the light of irradiation changes by the light of blue led 102 and yellow led 101 colour mixtures.
In addition, the circuit base material 103 that blue led 102 and yellow led 101 is installed has: be used for applying to a plurality of LED that installed the wiring of electric current; The power circuit that can make the current constant of yellow led 101 and the current value of blue led 102 is changed arbitrarily.
In the illustrative ligthing paraphernalia 100 of Figure 20 (B), adopt with the row configuration of yellow-blueness-blueness-yellow and dispose the yellow led 101 of 5 one row and the structure of 5 one blue leds 102 that are listed as side by side.
In addition, in the illustrative ligthing paraphernalia 104 of Figure 20 (C), adopt along alternately being set up in parallel the yellow led 101 that amounts to 8 and the structure of blue led 102 on the quadrilateral frame.Thus, the mixed light of output sodium yellow and blue light.
In addition, in the past since, known have a ligthing paraphernalia (for example with reference to patent documentation 2) that uses guiding lamp and the identification light etc. of LED as light source.
Shown in figure 21, the ligthing paraphernalia 1100 of patent documentation 2 record is the guiding lamp that for example guides to the emergency exit, is provided with the display board of describing to the pattern of emergency exit guiding at the front face of the appliance body of case shape.In addition, in the inside of appliance body, take in the LED substrate 1102 that a plurality of LED1101 have been installed, LED substrate 1102 is connected with lighting unit 1104 through connector 1103.
[patent documentation 1] TOHKEMY 2007-265818 communique (Fig. 2)
[patent documentation 1] TOHKEMY 2007-258033 communique (Fig. 4)
But, in the ligthing paraphernalia 100 of aforesaid patent documentation 1 record, because according to every row or each LED101,102 that alternately color-arranged is different, so when LED101,102 connected up, have the elongated problem of wiring pattern.
In addition, because LED101,102 wiring pattern circuitous need append wire jumper (jumper) resistance, adopt two sides substrate etc., there is the problem that causes cost to raise.
In addition; As previously mentioned; In the ligthing paraphernalia 1100 of patent documentation 2 record, on LED substrate 1102, only installed in the ligthing paraphernalia 1100 of LED1101, receive easily from the noise of outside and influence from the noise of the lighting unit 1104 that is connected with ligthing paraphernalia 1100 etc.Thus, the flicker that produces of lighting a lamp and turn off the light that comprises LED1101 sometimes is in interior maloperation and the damage of LED1101.Therefore, for protection LED1101, consider configuration protection element (capacitor).
But when protecting component was disposed with LED1101 with being connected, LED substrate 1102 became big, the problem that exists ligthing paraphernalia 1100 to maximize.
Summary of the invention
The present invention researches and develops for solution problem in the past, and its objective is provides a kind of LED unit and ligthing paraphernalia, in having the LED unit of different types of led light source, can shorten the pattern wiring between each led light source.
In addition, the purpose of this invention is to provide a kind of lighting device and ligthing paraphernalia, protection is LED the time, suppress to be equipped with LED lighting device maximization and realize the miniaturization and the slimming of ligthing paraphernalia.
LED of the present invention unit has: a plurality of first led light sources; With different types of a plurality of second led light sources of said first led light source; With the LED substrate that said first led light source and said second led light source are installed; Said a plurality of first led light source is connected in series; With with said first led light source system's said a plurality of second led light source that is connected in series independently mutually, with odd number or said first led light source of even number and odd number or the said second led light source alternate configurations of even number.
In addition, in the LED of the present invention unit, with said first led light source of even number and the said second led light source alternate configurations of even number.
In addition, in the LED of the present invention unit, the end of any light source in said first led light source or said second led light source disposes the different types of LED of LED with this any light source disposed adjacent.
In addition, in the LED of the present invention unit, said first led light source and said second led light source can be distinguished independently and controlled.
In addition, in the LED of the present invention unit, said first led light source and said second led light source connect up with meander-like.
In addition, in the LED of the present invention unit, said a plurality of led light sources are divided into a plurality of groups, configuration protection element between each group, and be electrically connected said each led light source and said protecting component of organizing.
In addition, in the LED of the present invention unit, said a plurality of led light sources and said protecting component are configured on the roughly same straight line, the upstream side and the ground, downstream that stride across said each group are electrically connected said protecting component.
In addition, in the LED of the present invention unit, roughly disposing the combinations of organizing said led light sources and protecting component on the same straight line more, and between led light source of said each group, disposing said protecting component.
In addition; In the LED of the present invention unit; Said led light source and said protecting component are configured on the roughly same straight line; With said same straight line is the center, promptly between said center and substrate end-face, disposes said protecting component at the rightabout of the connecting portion side that connects first led light source and second led light source.
And ligthing paraphernalia of the present invention has used above-mentioned LED unit.
The effect of invention
The present invention can provide LED unit and the ligthing paraphernalia with following effect; In LED unit with diverse first led light source and second led light source; A plurality of first led light sources that are connected in series, and with first led light source system's a plurality of second led light sources that are connected in series independently mutually.And, because first led light source of alternate configurations even number and second led light source of even number, so can connect the pattern wiring in the LED substrate shortlyer.
The present invention can provide lighting device and the ligthing paraphernalia with following effect; A plurality of led light sources are divided into a plurality of groups; Configuration protection element between each group is electrically connected the led light source of protecting component and each group, thereby can reduce the wiring space of protecting component and led light source; Led light source can be protected, and the maximization of the lighting device and the ligthing paraphernalia of led light source can be suppressed to be equipped with.
Description of drawings
Fig. 1 is the overall perspective view from the ligthing paraphernalia of beneath first embodiment of the present invention.
Fig. 2 is the exploded perspective view from the ligthing paraphernalia of beneath first embodiment of the present invention.
Fig. 3 is the cutaway view along the center of the ligthing paraphernalia of first embodiment of the present invention.
Fig. 4 is a vertical view of observing the ligthing paraphernalia of first embodiment of the present invention from the top.
Fig. 5 (A) is the overall perspective view that upside is observed the LED unit from the place ahead, and Fig. 5 (B) is the overall perspective view that downside is observed the LED unit from the rear.
Fig. 6 (A) is the exploded perspective view that upside is observed the LED unit from the place ahead, and Fig. 6 (B) is the exploded perspective view that downside is observed the LED unit from the rear.
Fig. 7 (A) is the stereogram of the installation site of expression LED unit, and Fig. 7 (B) is the amplification stereogram that the state of LED unit has been installed in expression.
Fig. 8 (A) is the stereogram of LED unit, and Fig. 8 (B) is the amplification stereogram of the connection status of expression electric wire.
Fig. 9 is the vertical view of LED substrate of the configuration of the different two kinds of led light sources of expression.
Figure 10 (A) is a vertical view of observing the light projector parts from the top, and Figure 10 (B) is the enlarged drawing of B part among Figure 10 (A).
Figure 11 (A) is the perspective view from forward observation LED unit, and Figure 11 (B) is the enlarged drawing of B part among Figure 11 (A).
Figure 12 is the key diagram of the irradiating state of expression light.
Figure 13 is the vertical view of LED substrate of the configuration of the two kinds of different led light sources in the ligthing paraphernalia of expression second embodiment of the present invention.
Figure 14 is the vertical view of LED substrate of an example of configuration and the connection of the led light source of expression in the lower unit.
Figure 15 is the vertical view of LED substrate of other examples of configuration and the connection of the led light source of expression in the lower unit.
Figure 16 is the vertical view of the configuration of two kinds of different led light sources of being installed on the LED substrate of LED unit of expression the 3rd embodiment.
Figure 17 is the enlarged drawing of VI part among Figure 16.
Figure 18 is the vertical view of the configuration of the single led light source installed on the LED substrate of LED unit of expression the 4th embodiment.
Figure 19 is the enlarged drawing of VIII part among Figure 18.
Figure 20 (A) is stereogram and the circuit diagram of LED, and Figure 20 (B) is the stereogram of ligthing paraphernalia, and Figure 20 (C) is the stereogram of other ligthing paraphernalias.
Figure 21 is the vertical view of the configuration of the LED in the expression conventional illuminating device.
The specific embodiment
(first embodiment)
Below, the ligthing paraphernalia of use description of drawings first embodiment of the present invention.
In addition, in following explanation, for ligthing paraphernalia is installed in the face of being mounted be throw light on the end face below situation describe.Therefore, except situation about specifying, go up (top, upside etc.) expression top surface side, down (below, downside etc.) expression ground side.
As shown in Figure 1, the ligthing paraphernalia 10 of first embodiment of the present invention is applicable to the situation that the face of being mounted is main illumination below on end face 11 grades that is installed in.
Like Fig. 2 and shown in Figure 3, ligthing paraphernalia 10 has for example foursquare tabular appliance body 20, and its central authorities have the mounting bracket 21 that install on top 12 of hanging that is used for to being installed on the end face 11.
Being provided with LED unit 30 at the upside (that is end face 11 sides) of appliance body 20 is upper unit 30A, upper ledge 23 and upper plate 22.In addition, being provided with LED unit 30 at the downside (that is, the illumination direction side) of appliance body 20 is that lower unit 30B, reflection part are reflecting plate 24, and the panel 25 of the light transmission that the light that receives is spread is installed below reflecting plate 24.
Below, upper unit 30A and the employed LED of lower unit 30B unit 30 are described.
In addition, below, do not distinguish upper unit 30A and lower unit 30B especially, and describe as LED unit 30.
As shown in Figure 4, upper unit 30A is that upside at appliance body 20 is towards cubic arranged outside.In addition, lower unit 30B is that the downside at appliance body 20 is provided with two places, is used for irradiates light to the inside.
Like Fig. 5 and shown in Figure 6, LED unit 30 has the box body 33 of elongated rectangular box shape.
LED unit main body 31 is forwards to be provided with protrusion tab 311 from the lower end, is cross section L font as a whole.In the back of LED unit main body 31 and above the protrusion tab 311, be respectively arranged with the fin 312,313 of heat transmission.
In addition, central authorities are provided with the locator protrusions 315 of the location of carrying out LED unit 30 below protrusion tab 311.
Be provided with fin 35 in the front of LED unit main body 31, at the former configuration LED of fin 35 substrate 36 as heat sink.
In the front of LED substrate 36 is that a plurality of led light sources 37 are installed on the installed surface 361.In addition, on installed surface 361, be the length direction both ends in the outside of led light source 37, be equipped with and be used to connect electric wiring 34 and accept the connector (connector) 38 that electric power is supplied with.
Therefore, LED substrate 36 contacts with LED unit main body 31 via fin 35 and forms heat dissipation path, and the heat that led light source 37 distributes transmits to LED unit main body 31 via fin 35 from LED substrate 36.And, fin 313 heat radiations above the fin 312 at LED unit main body 31 back sides and protrusion tab 311.In addition, heat transmits and heat radiation to appliance body 20 via protrusion tab 311.
Thus, owing to the heat that can distribute led light source 37 efficiently dispels the heat, so can prolong the life-span of LED unit 30 significantly.
As shown in Figure 9, diverse a plurality of first led light source 37A and a plurality of second led light source 37B are installed on the installed surface 361 of LED substrate 36.In addition, two kinds of led light source 37A, 37B are referred to as " led light source 37 ".
A plurality of first led light source 37A are connected in series through the first circuit 39A, a plurality of second led light source 37B with the first led light source 37A mutually independently system be connected in series through second circuit 39B.
Therefore, the first led light source 37A and the second led light source 37B can be controlled respectively.
In addition, the first circuit 39A and second circuit 39B are independently, for example, and can be with tortuous (crank) shape wiring.At this moment, the meander-shaped of the first circuit 39A and second circuit 39B connects up to become parallel mode.
The first led light source 37A and the second led light source 37B be respectively with even number (here, for example 2) as an integral body, alternately the configuration.And in the end, configuration is adjacent the led light source 37 different types of led light sources 37 that dispose (inboard).
For example, in Fig. 9, in the left part, because the end disposes the first led light source 37A, so, dispose different types of second led light source 37B at its right side adjacent.
In addition, in Fig. 9, in the right part, because the end disposes the second led light source 37B, so, dispose different types of first led light source 37A at its left side adjacent.
In addition, also can be at left part and the identical led light source 37 of right part configuration.
As shown in Figure 6, the place ahead of the LED substrate 36 of led light source 37 is installed in front, the light projector parts 32 that constitute box body 33 with LED unit main body 31 are installed.Light projector parts 32 are formed by the resin of flame retardancy, are the case shape parts of rear opening.
The antetheca 321 of light projector parts 32 is lens of light transmission, and LED substrate 36 is accommodated in inside, and opening in the wings becomes lid through screw 301 fixed L ED unit main body 31.
Shown in Fig. 6 and Fig. 8 (A), the length direction both ends below light projector parts 32 on 322 have respectively and are used for electric wiring 34 is introduced the inner electric wire introducing portion 323 of box bodys 33.
Introducing the inner electric wiring 34 of box bodys 33 through electric wire introducing portion 323 is connected with connector 38 on the installed surface that is installed in LED substrate 36 361.
Shown in figure 10, the length direction both ends on the inner face of the antetheca 321 of light projector parts 32 are provided with light diffusion part 324.At light diffusion part 324, be provided with concavo-convex 325 of a plurality of mountains type shape that the inner face of antetheca 321 extends along the vertical direction.
Shown in figure 11, light diffusion part 324 is set to the connector 38 and the front region of the led light source 37 of end at least from the end of light projector parts 32.
And light diffusion part 324 preferably is provided with the mode that comprises at least one side among the first led light source 37A and the second led light source 37B, two sides.
For example, in Figure 11 (B), light diffusion part 324 comprise the first led light source 37A that is arranged on the end and with this first led light source 37A in abutting connection with and diverse two second led light source 37B in a ground be provided with.
As shown in Figure 7; The LED unit 30 that constitutes like this is LED unit 30 to be installed in 20 last times of appliance body; Make the locator protrusions 315 below the protrusion tab 311 of LED unit main body 31 chimeric, can install removably through mounting screw 26 with the locating hole 201 that is arranged on the appliance body 20.Thus, can be easily and carry out the location of LED unit 30 reliably.
Like Fig. 2 and shown in Figure 3, below lower unit 30B, panel 25 can be installed removably.Panel 25 is used for the light of irradiation is spread, and is provided with the low dial hood of light transmission 251 in a plurality of positions.
For example, dial hood 251 is to be provided with near the relative both sides the end of symmetry along the center with respect to appliance body 20 on the panel 25.In addition, dial hood 251 is provided with the position that is provided with lower unit 30B accordingly.
In addition, dial hood 251 has first hole 252 and second hole 253, in the inboard, luminance sensor, human body sensor, heat sensor can be set and accept from the receiving sensor of the signal of sender unit at least one.
Shown in figure 12, in the ligthing paraphernalia 10 that has used above-mentioned LED unit 30, the light L1 that sends to the inside of ligthing paraphernalia 10 from the lower unit 30B of the downside that is arranged on appliance body 20 is reflected that plate 24 reflects downwards and to panel 25 incidents and diffusion.Thus, panel 25 integral body become light source and are thrown light in the below.
On the other hand, a part and the end face 11 of the light L2 that sends to the outside of ligthing paraphernalia 10 from the upper unit 30A of the upside that is arranged on appliance body 20 shine abreast, and wall W is thrown light on.In addition, a part upwards quadrature is mapped to and reaches end face 11, and reflects downwards wall W is thrown light on.And part irradiation downwards arrives the upper ledge 23 of ligthing paraphernalia 10 and to the top reflection, comes end face 11 is thrown light on.Perhaps, also reflected wall W is thrown light on by end face 11.
More than; LED unit 30 according to illustrated first embodiment of the present invention; Be provided with the protrusion tab of giving prominence to the place ahead of led light source 37 from the box body 33 of accommodating led light source 37 311; This protrusion tab 311 can be installed on the appliance body 20 removably, thereby can easily change LED unit 30.
In addition, between led light source 37 and protrusion tab 311, have heat sink, and the heat that protrusion tab 311 distributes led light source 37 transmits to the big appliance body 20 of area of dissipation, thereby heat dispersion improves.
In addition, on the direction identical, be provided with electric wiring 34 is introduced the inner electric wire introducing portion 323 of box bodys 33, thereby can the wasted space of the below of LED unit 30 be used for wiring with protrusion tab 311.
And the ligthing paraphernalia 10 of first embodiment of the present invention is that aforesaid LED unit 30 is installed on the appliance body 20, thereby can easily change LED unit 30.
In addition; The LED unit 30 of first embodiment of the invention; In LED unit 30 with the diverse first led light source 37A and second led light source 37B; A plurality of first led light source 37A that are connected in series, and with the first led light source 37A a plurality of second led light source 37B that are connected in series of system independently.And, even number first led light source 37A and the even number second led light source 37B alternate configurations, thus the pattern wiring in the LED substrate 36 can be connected shortlyer.
In addition, owing to can reduce the element of chip wire jumper resistance etc., can avoid cost to raise.
And, do not need two sides in the table of (printing) substrate is used for the pattern printing as LED substrate 36, thereby can the reverse side of the installed surface of LED substrate 36 be used for heat radiation.
In addition, the end in LED unit 30 is provided with different types of LED in abutting connection with ground, thereby lights simultaneously when having a plurality of photochromic LED, a plurality of photochromic mixing nattily.
In addition, the different types of first led light source 37A and the second led light source 37B can be controlled respectively, thereby light modulation and toning are easily.
In addition, the different types of first led light source 37A and the second led light source 37B connect up with meander-like, and therefore wiring is succinct, and the design of wiring is easy.In addition, the equal in length of wiring, thus control is easily.
And the ligthing paraphernalia 10 of first embodiment of the present invention uses aforesaid LED unit 30, thereby can connect the pattern wiring in the LED substrate 36 shortlyer, in addition, can reduce elements such as chip wire jumper resistance, thereby can realize that cost reduces.
In addition, in LED unit 30, need not use the two sides substrate, thereby can the reverse side of the installed surface of LED substrate 36 be used for heat radiation, the long-life that can realize LED unit 30, and the long-life of realizing ligthing paraphernalia as LED substrate 36.
In addition; The LED unit 30 of first embodiment of the invention; Connector 38 and a plurality of led light source 37 are installed in the same side of LED substrate 36; And connector 38 is configured in the outside of a plurality of led light sources 37, thereby can realizes the slimming of LED unit 30, and can reduce the size of width.
In addition; In the light projector parts 32 in the place ahead that is arranged on led light source 37; In a plurality of led light sources 37 be provided with light diffusion part 324, thereby can prevent the place ahead deepening of connector 38 with the led light source 37 of ends connector 38 adjacency and the front region of connector 38.
In addition; Under the situation that a plurality of led light sources 37 are made up of the different types of first led light source 37A and the second led light source 37B; The place ahead the both sides of the first led light source 37A and the second led light source 37B disposes light diffusion part 324; Thereby when lighting the first led light source 37A and the second led light source 37B, the end also can dispose the light of clean and tidy mixing.
And the ligthing paraphernalia 10 of first embodiment of the present invention has used aforesaid LED unit 30, thereby can realize the densification of ligthing paraphernalia 10.
In addition, in light projector parts 32, in a plurality of led light sources 37 be provided with light diffusion part 324, thereby can prevent the place ahead deepening of connector 38 with the led light source 37 of ends connector 38 adjacency and the front region of connector 38.
(second embodiment)
Below, the ligthing paraphernalia of use description of drawings second embodiment of the present invention.
In addition, marking identical Reference numeral with the general position of the ligthing paraphernalia of aforesaid first embodiment, and omitting the explanation of repetition.
Shown in figure 13, on the installed surface 361B of LED substrate 36B, diverse a plurality of first led light source 371A and a plurality of second led light source 371B are installed.For example, can be with the first led light source 371A as daytime white, with the second led light source 371B as incandescent light color.In addition, two kinds of led light source 371A, 371B are referred to as " led light source 371 ".
At this lower unit 30B, a plurality of first led light source 371A are connected in series through the first circuit 39A.In addition, a plurality of second led light source 371B with the first led light source 371A mutually independently system be connected in series through second circuit 39B.
Therefore, the first led light source 371A and the second led light source 371B can be controlled respectively.
The first led light source 371A and the second led light source 371B respectively with even number or odd number (comprising 1) as an integral body, alternately configuration.
For example, in Figure 13, mainly be alternately to dispose two (even numbers) first led light source 371A and two second led light source 371B, but the position that only disposes 1 (odd number) second led light source 371B2 is also arranged midway.
Figure 14 shows the wiring example (for example ten tatamis are used) of the led light source 371 of configuration shown in Figure 13 as an example.That is, except 1 second led light source 371B2 of central portion configuration, led light source 371 per two ground configurations.
Figure 15 shows for example 12 employed lower unit 30B of ligthing paraphernalia that tatami is used as other examples.
In this lower unit 30B,, be provided with 1 first led light source 371A2 and 1 second led light source 371B2 in the inboard of connector 38 (length direction central side).In addition, at the length direction central portion, dispose 1 second led light source 371B2.
In addition, led light source 371 adopts not special qualification the in place of 1 (odd number).
More than, according to the LED unit 30B of illustrated second embodiment of the present invention, odd number or the even number first led light source 371A and odd number or the even number second led light source 371B alternate configurations, thus increased the free degree of the configuration of led light source 371.
In addition, LED of the present invention unit 30 and ligthing paraphernalia 10 are not limited to aforesaid embodiment, can also carry out suitable distortion and improvement etc.
For example, in aforesaid embodiment, use the situation of identical LED unit 30 to be illustrated, but as long as essential structure is identical, size etc. also can be different for upper unit 30A and lower unit 30B.
(the 3rd embodiment)
Below, the ligthing paraphernalia of use description of drawings the 3rd embodiment of the present invention.
In addition, with the general identical Reference numeral of position mark of the ligthing paraphernalia of aforesaid first embodiment, and the explanation of omission repetition.
Shown in figure 16, in LED unit 1030, on the installed surface 1311 of LED substrate 1031, diverse a plurality of first led light source 1040A and a plurality of second led light source 1040B are installed.
In addition, in following explanation, two kinds of led light source 1040A, 1040B are referred to as " led light source 1040 ".
The first led light source 1040A and the second led light source 1040B except a part (end) all respectively with even number (here, for example 2) as an integral body, alternately the configuration.And, in the end, dispose and be adjacent the led light source 1040 different types of led light sources 1040 that dispose (inboard).
A plurality of first led light source 1040A are connected in series through the first circuit 1032A.In addition, a plurality of second led light source 1040B with the first led light source 1040A mutually independently systems be connected in series through second circuit 1032B.
The first circuit 1032A and second circuit 1032B are independently, for example, can connect up with meander-like.At this moment, the meander-shaped of the first circuit 1032A and second circuit 1032B can connect up with the mode that becomes almost parallel.
On installed surface 1311, observe in led light source 1040 position more in the inner part from the substrate both ends 1312,1313 of length direction than the end, connector 1033 is installed.Connector 1033 is connected with electric wiring from source power supply (diagram omit) and accepts the electric power supply, via the first circuit 1032A the first led light source 1040A is lighted, and via second circuit 1032B the second led light source 1040B is lighted.
Therefore, the first led light source 1040A and the second led light source 1040B can be controlled respectively.
Shown in figure 17, even number (here, for example 2) the first led light source 1040A (1401A, 1402A) that will be connected in series through the first circuit 1032A is as an integral body (group 1041A), and to be connected with protecting component be capacitor 1050A.
Here, be that a plurality of led light source 1040A and capacitor 1050A are configured on the roughly same straight line (for example, the centre line C L of LED substrate 1031) with each group 1041A.This is because when capacitor 1050A is configured in end face 1314,1315 sides of space broad side, capacitor 1050A need be set and connect the area of its wiring, thereby between the first led light source 1401A and the first led light source 1402A configuration capacitor 1050A.
And, connecting rightabout that the first led light source 1040A reaches second led light source 1040B connecting portion 1034 sides each other each other i.e. (centre line C L) and side end face 1314, configuration capacitor 1050 between 1315 at the center.
About second circuit 1032B also is same, and even number (here, for example 2) the second led light source 1040B (1401B, 1402B) that will be connected in series through second circuit 1032B is as an integral body (group 1041B), and to be connected with protecting component be capacitor 1050B.
In addition, in following explanation, capacitor 1050A and capacitor 1050B are referred to as " capacitor 1050 ".In addition, will organize 1041A and group 1041B is referred to as " group 1041 ".
Capacitor 1050 strides across and respectively organizes 1041 upstream side and the electrical connection of ground, downstream.For example, under the situation that is the first circuit 1032A, the anode-side that strides across led light source 1401A be connected capacitor 1050A with the be connected in series cathode side ground of the led light source 1402A that forms of led light source 1401A.
About second circuit 1032B also is same.
In the first circuit 1032A or second circuit 1032B, need the bigger electric current that flows for lighting led light source 1040.If the common led light source 1040 about 1W, about 300 to 500mA electric current then need flow.
At this moment, heating or reduction current loss for suppressing led light source 1040 need make the copper foil pattern on the LED substrate 1031 partly become big as much as possible.
That is, shown in figure 17, the first circuit 1032A and second circuit 1032B need make the copper foil pattern chap for the electric current of the led light source 1040 that flows.That is, make the copper foil pattern chap of anode of negative electrode and led light source 1403B of copper foil pattern and led light source 1402B of anode of negative electrode and the led light source 1402A of led light source 1401A as much as possible.
But, because the width of LED substrate 1031 is little, thus with the position configuration of capacitor 1050 in the position of moving a little to the direction (left side Figure 17) of separating from a plurality of copper foil pattern (connecting portion 1034).
Other parts exist under the situation of a plurality of patterns between the end face of led light source 1040 and LED substrate 1031 too, also with the position configuration of capacitor 1050 on the position of having moved round about.
More than, according to the LED unit 1030 of illustrated first embodiment of the present invention, on LED substrate 1031, the capacitor 1050 that is used to protect a plurality of led light sources 1040 and led light source 1040 is installed.A plurality of led light sources 1040 are divided into a plurality of groups 1041; Each organizes 1041 configuration capacitors 1050; Be electrically connected the led light source 1040 of capacitor 1050 and each group 1041, thereby can reduce the wiring space of capacitor 1050 and led light source 1040, can protect led light source 1040.
Thus, led light source 1040 can be protected, and the maximization of the LED unit 1030 of led light source 1040 can be suppressed to be equipped with.
In addition,, a plurality of led light sources 1040 and capacitor 1050 are configured on the approximate centre line CL of LED substrate 1031, and stride across and respectively organize 1041 upstream side and ground, downstream and be electrically connected capacitor 1050 according to LED of the present invention unit 1030.
Thus, capacitor 1050 is to be electrically connected with the led light source 1040 parallelly connected states of each group 1041.
In addition, according to LED of the present invention unit 1030, led light source 1040 and capacitor 1050 are configured on the approximate centre line CL.And, promptly dispose capacitor 1050 between the side end face 1314 (1315) at centre line C L and LED substrate 1031 with respect to the connecting portion of the connecting portion 1034 of the first led light source 1040A and the second led light source 1040B 1034 for opposition side being the center with the centre line C L.
Thus, can protect led light source 1040, and can obtain the area that power supply stream flows significantly, can realize the heat radiation of led light source 1040 and the reduction of current loss.
And, more than, according to the ligthing paraphernalia 10 of illustrated the 3rd embodiment of the present invention, used aforesaid LED unit 1030, thereby can protect led light source 1040, and can suppress the maximization of ligthing paraphernalia 10.
(the 4th embodiment)
Below, the lighting device and the ligthing paraphernalia of the 4th embodiment of the present invention described.
In addition, with the lighting device and the general identical Reference numeral of position mark of ligthing paraphernalia of aforesaid the 3rd embodiment, and the explanation of omission repetition.
Shown in figure 18, be in the LED unit 1035 at the lighting device of the 4th embodiment, on the installed surface 1311 of LED substrate 1031, a plurality of led light source 1040Cs suitable with the first led light source 140A of the 3rd embodiment are installed.That is, in this LED unit 1035, only be provided with the circuit 1032C suitable with the first circuit 1032A of the 3rd embodiment, led light source 1040C is connected in series through circuit 1032C.
On installed surface 1311, observe in the led light source 1040C position more in the inner part of end from the substrate both ends 1312,1313 of length direction, connector 1033 is installed.Connector 1033 connects from the electric wiring of source power supply (omitting diagram) and accepts electric power and supply with, and lights led light source 1040C via circuit 1032C.
Shown in figure 19, will be connected with capacitor 1050C by circuit 1032C LED coupled in series light source 1040C.That is, 1 led light source 1040C and 1 capacitor 1050C are made up (group 1042), each group 1042 is configured on the roughly same straight line (for example, the centre line C L of LED substrate 1031).
And, between the led light source 1040C of each group 1042, dispose capacitor 1050C.
More than; LED unit 1035 according to illustrated the 4th embodiment of the present invention; Led light source 1040C and capacitor 1050C are made up (group 1042), and configuration respectively organizes 1042 for many groups on approximate centre line CL, and between the led light source 1040C of each group 1042, disposes capacitor 1050C.
Thus, can access the effect same with the lighting device 1030 of the 3rd embodiment and ligthing paraphernalia 10.And led light source 1040C connects capacitor 1050C respectively, thus, can protect led light source 1040C in higher level ground, can provide reliability high LED unit 1035.
In addition, LED of the present invention unit 1030,1035 and ligthing paraphernalia 10 are not limited to aforesaid each embodiment, can carry out suitable distortion and improvement etc.
For example, in aforesaid each embodiment, illustration use the situation of capacitor 1050,1050C as protecting component, but the present invention also can adopt other low elements of impedance ratio led light source.
Claims (10)
1. a LED unit is characterized in that,
Have: a plurality of first led light sources; With different types of a plurality of second led light sources of said first led light source; With the LED substrate that said first led light source and said second led light source are installed,
Said a plurality of first led light source that is connected in series,
With with said first led light source system's said a plurality of second led light source that is connected in series independently mutually,
With odd number or said first led light source of even number and odd number or the said second led light source alternate configurations of even number.
2. LED as claimed in claim 1 unit is characterized in that,
With said first led light source of even number and the said second led light source alternate configurations of even number.
3. according to claim 1 or claim 2 LED unit is characterized in that,
The end of any light source in said first led light source or said second led light source disposes the different types of LED of LED with this any light source disposed adjacent.
4. according to claim 1 or claim 2 LED unit is characterized in that,
Said first led light source and said second led light source can be distinguished independently and controlled.
5. according to claim 1 or claim 2 LED unit is characterized in that,
Said first led light source and said second led light source connect up with meander-like.
6. according to claim 1 or claim 2 LED unit is characterized in that,
Said a plurality of led light sources are divided into a plurality of groups, configuration protection element between each group, and be electrically connected said each led light source and said protecting component of organizing.
7. LED as claimed in claim 6 unit is characterized in that,
Said a plurality of led light sources and said protecting component are configured on the roughly same straight line,
The upstream side and the ground, downstream that stride across said each group are electrically connected said protecting component.
8. LED as claimed in claim 6 unit is characterized in that,
Roughly dispose the combinations of organizing said led light sources and protecting component on the same straight line more, and between led light source of said each group, disposing said protecting component.
9. LED as claimed in claim 6 unit is characterized in that,
Said led light source and said protecting component are configured on the roughly same straight line,
With said same straight line is the center, promptly between said center and substrate end-face, disposes said protecting component at the rightabout of the connecting portion side that connects first led light source and second led light source.
10. a ligthing paraphernalia is characterized in that, has used claim 1 or 2 described LED unit.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
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| JP2011-012212 | 2011-01-24 | ||
| JP2011012212 | 2011-01-24 | ||
| JP2011-110830 | 2011-05-17 | ||
| JP2011110835A JP2012169245A (en) | 2011-01-24 | 2011-05-17 | Led unit and lighting fixture |
| JP2011-110835 | 2011-05-17 | ||
| JP2011110830A JP5776014B2 (en) | 2011-05-17 | 2011-05-17 | Lighting device and lighting fixture |
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| Publication Number | Publication Date |
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| CN102606908A true CN102606908A (en) | 2012-07-25 |
| CN102606908B CN102606908B (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110427343.2A Expired - Fee Related CN102606908B (en) | 2011-01-24 | 2011-12-19 | LED unit and lighting apparatus |
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| CN102606908B (en) | 2015-04-15 |
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