CN202203820U - Concentrated driving light-emitting diode (LED) lamp belt - Google Patents
Concentrated driving light-emitting diode (LED) lamp belt Download PDFInfo
- Publication number
- CN202203820U CN202203820U CN2011202872529U CN201120287252U CN202203820U CN 202203820 U CN202203820 U CN 202203820U CN 2011202872529 U CN2011202872529 U CN 2011202872529U CN 201120287252 U CN201120287252 U CN 201120287252U CN 202203820 U CN202203820 U CN 202203820U
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- led light
- centralized driving
- led lamp
- lamp band
- driving led
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
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Abstract
The utility model discloses a concentrated driving light-emitting diode (LED) lamp belt, which is applicable to a subway lighting system and comprises a driving device and a plurality of LED lamps. The LED lamps are mutually electrically connected and fixed at the top of a coach of a train along the length direction of a subway train. The driving device comprises at least one concentrated driver which is electrically connected with the LED lamps and drives the LED lamps simultaneously. The concentrated driving LED lamp belt achieves the concentrated driving of the LED lamps by arranging a single driving device, thereby decreasing number of the drivers of the lighting system, reducing cost and simultaneously greatly improving reliability of the lighting system.
Description
Technical field
The utility model relates to the lighting apparatus field, relates more specifically to the higher centralized driving LED lamp band of a kind of stability.
Background technology
The LED light efficiency is high, the life-span is long, operating temperature is low, has the characteristics of environmental protection, be acknowledged as the 4th generation lighting source.Because little, the luminous flux of LED light-emitting area is big, luminous energy is comparatively concentrated, when directly being used for room lighting dazzle severe, so need lampshade that processed by diffusion material be installed so that LED light is disperseed at lamp surface usually when LED is applied to the room lighting field.
Along with the fast development that city rail is built, the subterranean railway traffic solves restriction urban development, traffic jam and air-polluting problem, helps the sustainable development in city.Because underground engines is throughout the year in underground operation, be maximum power consumption system in the urban public utilities, therefore in subway station, the tunnel, particularly the requirement of the lighting installation the compartment in has characteristics such as high brightness, long-life and energy-conserving and environment-protective.And because LED can satisfy the lighting requirement of subway system, therefore, subway system adopts the LED light fixture as lighting apparatus usually.
Yet existing subway train illumination system adopts a LED light fixture to join the mode of a driver, so, just must adjust one by one car load dozens of light fixture driver if will regulate the brightness (or the compensation of LED light decay) of all light fixtures of car load, wastes time and energy.And the drive corruption of any lamp all can cause the fault of turning off the light, and causes car load illuminator fault rate higher.
Therefore, be necessary to provide a kind of LED lamp band that uses single drive unit realization centralized driving to address the aforementioned drawbacks.
The utility model content
The purpose of the utility model provides a kind of centralized driving LED lamp band to improve the stability of subway illumination system.
To achieve these goals; The centralized driving LED lamp band of the subway illumination system that is applicable to that the utility model provides comprises drive unit and some LED light fixtures; Said LED light fixture is electrically connected each other and is fixed in the train compartment top along the subway train length direction; Said drive unit comprises at least one focus actuator, and said focus actuator is electrically connected and drives simultaneously a plurality of said LED light fixtures with said LED light fixture.
In the utility model one preferred embodiment, said drive unit comprises two said focus actuators, and adjacent per two said LED light fixtures are driven respectively by two said focus actuators.Based on this design; When if some focus actuators damage; LED light fixture in the railway car will extinguish at interval, thereby the phenomenon of avoiding continuous several light fixtures to extinguish has simultaneously effectively been improved the uniformity of railway car intraoral illumination effect under the focus actuator failure condition.
Preferably, the wiring of said LED light fixture adopts cross wire.Based on this wire laying mode; All LED light fixtures need not to distinguish the light fixture numbering when in railway car, installing; The interval that can realize the LED light fixture drives (two adjacent lamps belong to different two-way driver circuits), thereby greatly facilitates the installation and maintenance of train LED light fixture.
Preferably; Said drive unit comprises toggle switch; Said toggle switch is controlled the output duty cycle of the inner Pwm controller of reference voltage or the said focus actuator of said focus actuator; Thereby realized only regulating the output current of single focus actuator or luminosity (illumination) and the light decay compensation that PWM output is a plurality of LED light fixtures in the scalable railway car, improved the convenience of light decay compensation and brightness regulation greatly.
Preferably, the output voltage of said focus actuator is less than DC90V.Equally preferably, the value range of above-mentioned output voltage is DC20V～DC60V, to guarantee attendant's security.
Preferably, said LED light fixture comprises lamp body plate, circuit unit and lampshade, and said circuit unit is fixed on the said lamp body plate, and said lamp body plate and said lampshade are installed on the said train compartment top successively, and said lampshade covers said lamp body plate.Based on this structure Design, alleviated light fixture weight greatly, reduced its production cost.
Preferably; Said train compartment top is provided with mounting groove, said lamp body plate one lateral buckling and form installation sheet, and said installation sheet is stuck in the said mounting groove; The opposite side of said lamp body plate is connected with installing plate; Said installing plate is fixed on the said train compartment top through securing member, and this structure Design is convenient to the installation and removal of light fixture, thereby reduces the installation and maintenance cost.
When preferably, being provided with the yielding rubber pad between said installation sheet and the said mounting groove and advancing the LED light fixture is produced vibrations and damages light fixture to avoid train.
Equally preferably, the output voltage of the input voltage of said subway illumination system and said circuit unit is isolated with the stability that guarantees illuminator and attendant's security.
Compared with prior art; The centralized driving LED lamp band that the utility model provides is realized the centralized driving of a plurality of LED light fixtures through single drive unit is set; Thereby reduce the focus actuator quantity of illuminator, in the reliability that improves illuminator, also reduce cost greatly.In addition, in the optimal technical scheme of the utility model, said drive unit comprises two said focus actuators; Adjacent per two said LED light fixtures are driven by two said focus actuators respectively; Based on this design, when damaging as if some focus actuators, the LED light fixture in the railway car will extinguish at interval; Thereby the phenomenon of avoiding continuous several light fixtures to extinguish has simultaneously effectively been improved the uniformity of railway car intraoral illumination effect under the focus actuator failure condition.
Through following description and combine accompanying drawing, it is more clear that the utility model will become, and these accompanying drawings are used to explain the embodiment of the utility model.
Description of drawings
Fig. 1 is the structural representation of the utility model centralized driving LED lamp band one embodiment.
Fig. 2 is another structural representation of centralized driving LED lamp band shown in Figure 1, and it has showed the wire laying mode of LED light fixture.
Fig. 3 is installed on the sketch map on the railway car for the utility model centralized driving LED lamp band.
Each description of reference numerals is following among the figure:
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the embodiment is carried out clear, intactly description, similar assembly label is represented similar assembly in the accompanying drawing.Obviously, below only be the utility model part embodiment with the embodiment that describes, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
At first please with reference to Fig. 1, Fig. 1 has showed the sketch map of the utility model centralized driving LED lamp band one embodiment.As shown in Figure 1; The centralized driving LED lamp band 100 that the utility model provides is applicable to the subway illumination system; It comprises drive unit 110 and some LED light fixtures; Fig. 1 has showed wherein four LED light fixtures 120,130,140 and 150, and said LED light fixture 120,130,140 and 150 is electrically connected successively and is fixed in train compartment top 160 along subway train (figure does not show) length direction.Said drive unit 110 comprises focus actuator 111 and 112, and said focus actuator 111 and 112 is electrically connected and drives simultaneously said LED light fixture 120,130,140 and 150 with said LED light fixture 120,130,140 and 150.
With reference to Fig. 2; In this specific embodiment; Adjacent per two said LED light fixtures (for example LED light fixture 120 and 130) are driven respectively by two said focus actuators 111 and 112, and also promptly, said driver 111 drives said LED light fixture 120 and 140; And said driver 112 driving LED light fixtures 130 and 150 (adjacent per two LED light fixtures are by different driver drives, and per two LED light fixtures separately are by driving with a focus actuator).Based on this design; When if some focus actuators damage; LED light fixture in the railway car will extinguish at interval, the phenomenon of avoiding continuous several light fixtures to extinguish simultaneously, thus effectively improved the uniformity of railway car intraoral illumination effect under the focus actuator failure condition.
Please continue with reference to Fig. 2, in order to realize that the LED lamp locker still keeps the uniformity of LED Design of Luminaires under situation about driving, LED light fixture 120,130,140 in the present embodiment and 150 wiring all adopt cross wire.Based on this wire laying mode; All LED light fixtures need not to distinguish the light fixture numbering (if adopt the straight line wiring when in railway car, installing; In order to realize driving at interval, then the light source in the adjacent LED light fixture must be connected different two-way circuits), thus greatly facilitate the installation and maintenance of train LED light fixture.
Preferably; In the present embodiment; Said drive unit 110 comprises toggle switch (figure does not show); Said toggle switch is controlled the output duty cycle of the reference voltage of said focus actuator 111 or 112 or the Pwm controller of said focus actuator 111 or 112 inside (scheming not show); Thereby realized only regulating the output current of single focus actuator or luminosity (illumination) and the light decay compensation that PWM output is a plurality of LED light fixtures in the scalable railway car, improved the convenience of light decay compensation and brightness regulation greatly.Preferably, said focus actuator 111 and 112 output voltage are less than DC90V.Equally preferably, the value range of above-mentioned output voltage is DC20V～DC60V, to guarantee attendant's security.
Each LED light fixture in the present embodiment has identical structure, and being example with LED light fixture 120 below describes the concrete structure of LED light fixture.
With reference to Fig. 3; Said LED light fixture 120 comprises lamp body plate 121, circuit unit 122 and lampshade 123, and said circuit unit 122 is fixed on the said lamp body plate 121, and said lamp body plate 121 is installed on the train compartment top 160 with said lampshade 123 successively; Said lampshade 123 covers said lamp body plate 121; Also be connected with nylon rope 127 between said lampshade 123 and the said lamp body plate 121, particularly, said circuit unit 122 comprises light source board 122a and led light source 122b; Said led light source 122b is fixed on the said light source board 122a, and said light source board 122a is fixed on the said lamp body plate 121 and towards said lampshade 123.Preferably; Said train compartment top 160 is provided with mounting groove 161; Said lamp body plate 121 1 lateral bucklings and form installation sheet 121a; Said installation sheet 121a is stuck in the said mounting groove 161, and the opposite side of said lamp body plate 121 is connected with installing plate 124, and said installing plate 124 is fixed on the said train compartment top 160 through securing member 125; When preferably, being provided with yielding rubber pad 126 between said installation sheet 121a and the said mounting groove 161 and advancing LED light fixture 120 is produced vibrations and damages light fixture to avoid train.Based on the design of said structure, alleviated light fixture weight greatly, reduced production cost, and the design of said structure also is convenient to the installation and removal of light fixture, thereby reduces the installation and maintenance cost.
Preferably, for the stability that guarantees illuminator and attendant's security, in the present embodiment, the input voltage of said subway illumination system and the output voltage of said circuit unit are isolated.
As stated; The utility model centralized driving LED lamp band that the utility model provides is realized the centralized driving of a plurality of LED light fixtures through single drive unit is set; Thereby reduce the focus actuator quantity of illuminator, also improved the reliability of illuminator when reducing cost greatly.In addition, in the optimal technical scheme of the utility model, said drive unit comprises two said focus actuators; Adjacent per two said LED light fixtures are driven by two said focus actuators respectively; Based on this design, when damaging as if some focus actuators, the LED light fixture in the railway car will extinguish at interval; Thereby the phenomenon of avoiding continuous several light fixtures to extinguish has simultaneously effectively been improved the uniformity of railway car intraoral illumination effect under the focus actuator failure condition.
But need to prove; Other structures of centralized driving LED lamp band are well known to those skilled in the art in the utility model; Do not give unnecessary details at this, and the quantity of the focus actuator that it adopts and LED light fixture and driver can specifically can change as required and be not restricted to above-mentioned situation.
More than combine most preferred embodiment that the utility model is described, but the utility model is not limited to the embodiment of above announcement, and should contains various modification, equivalent combinations of carrying out according to the essence of the utility model.
Claims (10)
1. centralized driving LED lamp band; Be applicable to the subway illumination system; It is characterized in that: said centralized driving LED lamp band comprises drive unit and some LED light fixtures; Said LED light fixture is electrically connected each other and is fixed in the train compartment top along the subway train length direction, and said drive unit comprises at least one focus actuator, and said focus actuator is electrically connected and drives simultaneously a plurality of said LED light fixtures with said LED light fixture.
2. centralized driving LED lamp band as claimed in claim 1 is characterized in that: said drive unit comprises two said focus actuators, and adjacent per two said LED light fixtures are driven respectively by two said focus actuators.
3. centralized driving LED lamp band as claimed in claim 2 is characterized in that: the wiring of said LED light fixture adopts cross wire.
4. centralized driving LED lamp band as claimed in claim 1; It is characterized in that: said drive unit comprises toggle switch, and said toggle switch is controlled the output duty cycle of the inner Pwm controller of reference voltage or the said focus actuator of said focus actuator.
5. centralized driving LED lamp band as claimed in claim 1, it is characterized in that: the output voltage of said focus actuator is less than DC90V.
6. centralized driving LED lamp band as claimed in claim 5 is characterized in that: the value range of the output voltage of said focus actuator is DC20V～DC60V.
7. centralized driving LED lamp band as claimed in claim 1; It is characterized in that: said LED light fixture comprises lamp body plate, circuit unit and lampshade; Said circuit unit is fixed on the said lamp body plate; Said lamp body plate and said lampshade are installed on the said train compartment top successively, and said lampshade covers said lamp body plate.
8. centralized driving LED lamp band as claimed in claim 7; It is characterized in that: said train compartment top is provided with mounting groove; Said lamp body plate one lateral buckling and form installation sheet; Said installation sheet is stuck in the said mounting groove, and the opposite side of said lamp body plate is connected with installing plate, and said installing plate is fixed on the said train compartment top through securing member.
9. centralized driving LED lamp band as claimed in claim 7 is characterized in that: be provided with the yielding rubber pad between said installation sheet and the said mounting groove.
10. centralized driving LED lamp band as claimed in claim 7 is characterized in that: the input voltage of said subway illumination system and the output voltage of said circuit unit are isolated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202872529U CN202203820U (en) | 2011-08-09 | 2011-08-09 | Concentrated driving light-emitting diode (LED) lamp belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202872529U CN202203820U (en) | 2011-08-09 | 2011-08-09 | Concentrated driving light-emitting diode (LED) lamp belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202203820U true CN202203820U (en) | 2012-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202872529U Expired - Lifetime CN202203820U (en) | 2011-08-09 | 2011-08-09 | Concentrated driving light-emitting diode (LED) lamp belt |
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| CN (1) | CN202203820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456360A (en) * | 2014-11-28 | 2015-03-25 | 南车株洲电力机车有限公司 | Lamp and vehicle lighting system |
-
2011
- 2011-08-09 CN CN2011202872529U patent/CN202203820U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456360A (en) * | 2014-11-28 | 2015-03-25 | 南车株洲电力机车有限公司 | Lamp and vehicle lighting system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120425 |