CN218998321U - LED lamp set structure and power supply system thereof - Google Patents

Abstract

The utility model discloses an LED lamp group structure and a power supply system thereof, comprising an LED lamp bead and a base, wherein the LED lamp bead is arranged on a lens which is fixedly connected with the base. The LED lamp group structure and the power supply system thereof can solve the problem of stroboscopic effect of the LED lamp, prevent the power factor from being reduced, prolong the life cycle of the whole product, reduce the production process environment and materials and reduce the product cost.

Description

LED lamp set structure and power supply system thereof

Technical Field

The utility model relates to an LED lamp set structure and a power supply system thereof, and belongs to the technical field of LED lighting equipment.

Background

LED lighting systems applied in public places such as subway stations, airports, large markets and the like are divided into a linear scheme and a constant current scheme. The linear scheme can be divided into electrolytic capacitor and electroless capacitor, the power range is 200-240V, the problem of stroboscopic can appear in the use manuscript in the linear scheme (electroless capacitor), therefore, the technical problem of stroboscopic is usually solved by increasing electrolytic capacitor in the linear scheme, the power factor of the whole lighting system is reduced after the electrolytic capacitor is increased, the loss is increased, the temperature of a power supply line is increased, and the product cannot be explosion-proof, because the life cycle of the whole product is shortened due to frequent charging and discharging of electrolysis, each LED lamp strip needs to be increased by adding electrolytic capacitor, the links and materials of production procedures are increased, the product cost is increased, and the requirements of people cannot be met.

Disclosure of Invention

The utility model aims to provide an LED lamp set structure and a power supply system thereof, which solve the defects existing in the prior art.

The utility model provides the following scheme:

the utility model provides a LED banks structure, includes LED lamp pearl and base, the LED lamp pearl is installed on a lens, lens and base fixed connection still include a bottom plate, install the electronic circuit board on the bottom plate the electronic circuit board with be provided with the insulating film between the bottom plate, a plurality of LED banks interval arrangement is on the electronic circuit board.

Further, the LED lamp further comprises a power supply protective cover, and the power supply protective cover is arranged between two adjacent LED lamp groups.

The utility model provides a power supply system of LED banks, specifically includes LED banks structure, and the LED banks is installed in three-phase four-wire power supply system, and the LED banks includes LED control circuit, LED control circuit includes rectifier chip and constant current drive control chip, rectifier chip's input links to each other with three-phase four-wire's input, and rectifier chip's output links to each other with constant current drive control chip, constant current drive control chip's high voltage power supply end pin links to each other with the anodal of LED banks, and constant current drive control chip's drain electrode pin links to each other with the negative pole of LED banks.

Further, the LED lamp set further comprises a first capacitor and a second capacitor, wherein the first capacitor is connected across the two ends of the rectifying chip, and the second capacitor is connected across the two ends of the LED lamp set.

Further, the LED lamp set further comprises a first inductor, one end of the first inductor is connected to the negative electrode of the LED lamp set, and the other end of the first inductor is connected with a drain electrode pin of the constant current drive control chip.

Further, the rectifier further comprises a protective tube, and the protective tube is arranged at the input end of the rectifier chip.

Compared with the prior art, the utility model has the following advantages:

the LED lamp group structure and the power supply system thereof can solve the problem of stroboscopic effect of the LED lamp, prevent the power factor from being reduced, prolong the life cycle of the whole product, reduce the production process environment and materials and reduce the product cost.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a mechanical structure diagram of an LED lamp bead.

Fig. 2 is a schematic structural view of an LED lamp set.

Fig. 3 is a schematic circuit diagram of an LED light string.

Fig. 4 is a schematic diagram of a three-phase four-wire power supply system.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The LED lamp group structure as shown in fig. 1 and 2 comprises LED lamp beads and a base, wherein the LED lamp beads are arranged on a lens, the lens is fixedly connected with the base, the LED lamp group comprises a bottom plate 1, an electronic circuit board 3 is arranged on the bottom plate 1, an insulating film 2 is arranged between the electronic circuit board 3 and the bottom plate 1, and a plurality of LED lamp groups are arranged on the electronic circuit board 3 at intervals. In this embodiment, the power protection cover 4 is further included, the power protection cover 4 is installed between two adjacent LED lamp sets, the LED lamp sets are connected between an input port and an output port of the three-phase four-wire power supply system, the LED lamp sets are connected with one end of an inductor, and the other end of the inductor is connected with an output end of the three-phase four-wire power supply system.

As shown in the schematic circuit diagram of the LED light set structure shown in fig. 3, the LED light set includes a first light emitting diode LED1 and a second light emitting diode LED2, the LED light set is installed in a three-phase four-wire power supply system, the LED light set includes an LED control circuit, the LED control circuit includes a rectifying chip MB10F and a constant current driving control chip SDH771X, an input end of the rectifying chip MB10F is connected with an input end of the three-phase four-wire, an output end of the rectifying chip MB10F is connected with the constant current driving control chip SDH771X, a high voltage power supply end pin HV of the constant current driving control chip SDH771X is connected with an anode of the LED light set, a DRAIN electrode pin DRAIN of the constant current driving control chip SDH771X is connected with a cathode of the LED light set, and a sampling pin CS of the constant current driving control chip SDH771X is connected with a sampling resistor RCS.

Specifically, the LED lamp set further comprises a first capacitor C1 and a second capacitor C2, wherein the first capacitor C1 is connected across the two ends of the rectifying chip MB10F, and the second capacitor C2 is connected across the two ends of the LED lamp set.

Specifically, the LED lamp further comprises a first inductor L1, one end of the first inductor L1 is connected to the negative electrode of the LED lamp set, and the other end of the first inductor L1 is connected with the DRAIN electrode pin DRAIN of the constant current drive control chip SDH 771X.

Specifically, the rectifier further comprises a fuse FS1, and the fuse FS1 is installed at an input end of the rectifier chip.

As shown in fig. 4, the embodiment can also be applied to city brightening engineering, and is provided with an explosion-proof function, so that the lamp has an explosion-proof function which is not possessed by a common LED lamp set. The embodiment of the utility model can be directly applied to industrial electricity of three-phase four wires, and can convert the alternating current of the three-phase four wires into smooth direct current through a rectification method in the prior art, wherein the output end comprises a U-phase end, a V-phase end, a W-phase end and a neutral line N of a three-phase four-wire power supply system, and then the output end is output through the output end A and the output end B, so that an electrolytic capacitor can be removed from an LED driving circuit, and then a passive power factor correction device is added to improve the power factor (for example, the power factor can be improved from about 0.5 to about 0.8), the LED lamp set has an explosion-proof function, the wire heating value can be reduced, the safety coefficient of a power grid can be improved, and the effects of energy conservation and emission reduction can be realized. The passive power factor correction device is a power inductor, the circuit principle is that three-phase alternating current is converted into relatively smooth direct current through a rectifier bridge, so that the dependence of LED driving on an electrolytic capacitor can be eliminated, an inductance filter structure is formed through the power inductor, the output current is further smoothed, surge current at the moment of electrification can be restrained, and the LED driver which still uses the electrolytic capacitor can be compatible. The zero line is connected to divide the output voltage of the rectifier bridge into positive and negative voltage groups, so that the lamp which is still powered by 220 alternating current can be matched.

It will be understood by those skilled in the art that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

It should be noted that certain terms are used throughout the description and claims to refer to particular elements. It will be appreciated by those of ordinary skill in the art that different manufacturers, manufacturers may refer to a component by different names. The description and claims do not differ by the way in which they distinguish between components, but rather differ by the way in which they function.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the utility model and form different embodiments. For example: any of the embodiments claimed in the claims may be used in any combination of the embodiments of the utility model.

It should be noted that the above-mentioned embodiments illustrate rather than limit the utility model, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The utility model may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, third, etc. do not denote any order, and the words may be interpreted as names.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Reference to "comprising" or "including" in the specification and claims is an open-ended term that should be interpreted to mean "including, but not limited to. The following description of the preferred embodiments of the utility model is provided for the purpose of illustration and is not intended to limit the scope of the utility model. The scope of the utility model is defined in the appended claims. It should be emphasized that the term "comprises/comprising" when used in this specification is taken to specify the presence of stated features, elements, steps or components, but does not preclude the presence or addition of one or more other features, elements, steps or components. The terms or indices "a," "an," "two," "1," "2," "n-" etc. related to ordinal numbers do not necessarily denote the order of implementation or importance of features, elements, steps or components defined by the terms, but are used for clarity of description only to identify among the features, elements, steps or components.

It should be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (6)

1. The utility model provides a LED banks structure, includes LED lamp pearl and base, the LED lamp pearl is installed on a lens, lens and base fixed connection, its characterized in that still includes a bottom plate, install the electronic circuit board on the bottom plate the electronic circuit board with be provided with the insulating film between the bottom plate, a plurality of LED banks interval arrangement is on the electronic circuit board.

2. The LED light fixture of claim 1 further comprising a power protection cover mounted between adjacent LED light fixtures.

3. The power supply system of the LED lamp set is characterized by comprising the LED lamp set structure as claimed in claim 1, wherein the LED lamp set is arranged in a three-phase four-wire power supply system, the LED lamp set comprises an LED control circuit, the LED control circuit comprises a rectifying chip and a constant current driving control chip, the input end of the rectifying chip is connected with the input end of the three-phase four-wire, the output end of the rectifying chip is connected with the constant current driving control chip, the pin of the high voltage power supply end of the constant current driving control chip is connected with the positive electrode of the LED lamp set, and the pin of the drain electrode of the constant current driving control chip is connected with the negative electrode of the LED lamp set.

4. The power supply system of the LED light fixture of claim 3 further comprising a first capacitor and a second capacitor, the first capacitor being connected across the rectifier chip and the second capacitor being connected across the LED light fixture.

5. The power supply system of the LED lamp set according to claim 3, further comprising a first inductor, wherein one end of the first inductor is connected to the negative electrode of the LED lamp set, and the other end of the first inductor is connected to the drain pin of the constant current driving control chip.

6. The power supply system of an LED light fixture of claim 3, further comprising a protective tube mounted at an input of the rectifier chip.

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