CN211267178U

CN211267178U - LED lamp strip

Info

Publication number: CN211267178U
Application number: CN201922492154.8U
Authority: CN
Inventors: 吴潜
Original assignee: Guangdong Xintemei Technology Co ltd
Current assignee: Guangdong Xintemei Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-08-14
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a LED lamp area, including the lamp area shell, be provided with anodal interface, negative pole interface, LED lamp cluster, sampling resistor and constant voltage IC on the lamp area shell, anodal interface and negative pole interface all with LED lamp cluster electric connection, the LED lamp cluster respectively with sampling resistor and constant voltage IC electricity are connected. The utility model discloses a set up this constant voltage IC in LED lamp area for LED lamp area keeps operating voltage invariable in the course of the work, improves job stabilization nature, and the security is high, and can satisfy people's user demand.

Description

LED lamp strip

Technical Field

The utility model relates to the technical field of lighting technology, in particular to LED lamp area.

Background

The LED strip is a product in which LEDs are mounted on a strip-shaped FPC (flexible printed circuit) or PCB (printed circuit board), and is named as a strip because the product is shaped like a strip. Because the service life is long (the normal service life is generally 8-10 ten thousand hours), the energy is saved, the environment is protected, and the method gradually exposes the corners in various decoration industries. Along with the rapid development of science and technology, the usage of LED lamp strip lamp area is more and more extensive, and the environment of its work is also more and more complicated, and people also are increasing to the requirement in LED lamp strip lamp area continuously, lead to current LED lamp strip not to satisfy people's operation requirement. And current LED lamp area is in the use, when supply voltage was too high, burns out the lamp area easily, leads to the unable normal use in lamp area.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in providing a LED lamp area, can satisfy people's user demand, job stabilization nature is good, the security is high.

In order to solve the technical problem, the technical scheme of the utility model is that:

the utility model provides a LED lamp area, includes the lamp area shell, be provided with anodal interface, negative pole interface, LED lamp cluster, sampling resistor and constant voltage IC on the lamp area shell, anodal interface and negative pole interface all with LED lamp cluster electric connection, LED lamp cluster respectively with sampling resistor and constant voltage IC electricity are connected.

Preferably, the input end of the positive interface and the input end of the negative interface are both electrically connected with an external power supply, and the output end of the positive interface and the output end of the negative interface are both electrically connected with the LED lamp string.

Preferably, the constant voltage IC includes a zener diode D1, a resistor RCS, a constant voltage driving chip U1, and a transistor T1, wherein a cathode of the zener diode D1 and one end of the resistor RCS are both connected to a first pin of the constant voltage driving chip U1, the other end of the resistor RCS is connected to a second pin of the constant voltage driving chip U1, a base of the transistor T1 is connected to a sixth pin of the constant voltage driving chip U1, a source of the transistor T1 is connected to an anode of the zener diode D1, and a drain of the transistor T1 is grounded.

Preferably, the constant voltage IC further includes an inductor L1, a light emitting tube D2 and a light emitting tube D3, an anode of the light emitting tube D2 is connected to the second pin of the constant voltage driving chip U1, a cathode of the light emitting tube D2 is connected to an anode of the light emitting tube D3, a cathode of the light emitting tube D3 is connected to one end of the inductor L1, and the other end of the inductor L1 is connected to an anode of the zener diode D1.

Preferably, the constant voltage IC further includes a capacitor C1 and a capacitor C2, one end of the capacitor C1 is connected to the first pin of the constant voltage driving chip U1, one end of the capacitor C2 is connected to the fourth pin of the constant voltage driving chip U1, and the other end of the capacitor C1 and the other end of the capacitor C2 are both grounded.

Preferably, a fifth pin of the constant voltage driver chip U1 is connected to the sampling resistor, and the positive electrode interface and the negative electrode interface are both connected to the first pin of the constant voltage driver chip U1.

Adopt above-mentioned technical scheme, the utility model provides a pair of LED lamp area, anodal interface and negative pole interface in this LED lamp area all are connected with LED lamp cluster electricity, this LED lamp cluster is connected with sampling resistor and constant voltage IC electricity respectively, through set up this constant voltage IC in LED lamp area, work is through sampling resistor real-time collection from anodal interface and negative pole interface input LED lamp cluster's operating voltage and send to in the constant voltage IC, by this operating voltage of constant voltage IC real time monitoring, make LED lamp area keep operating voltage invariable in the course of the work, improve the job stabilization nature in this LED lamp area greatly, the security is high, and can satisfy people's user demand, user experience is effectual.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a schematic circuit diagram of the present invention;

in the figure, 1-positive interface, 2-negative interface, 3-LED lamp string, 4-sampling resistor, 5-constant voltage IC, 6-lamp belt shell.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1, in the structural block diagram of the present invention, this LED lamp strip includes a lamp strip housing, and this lamp strip housing is provided with a positive interface 1, a negative interface 2, a LED lamp string 3, a sampling resistor 4 and a constant voltage IC5, and this positive interface 1 and negative interface 2 are all electrically connected with this LED lamp string 3, and this LED lamp string 3 is electrically connected with this sampling resistor 4 and a constant voltage IC5 respectively. It can be understood that the input end of the positive interface 1 and the input end of the negative interface 2 are both electrically connected to an external power supply for accessing the external power supply, the output end of the positive interface 1 and the output end of the negative interface 2 are both electrically connected to the LED light string 3, and the positive interface 1 and the negative interface 2 are both welded to the light strip housing 6.

Specifically, fig. 2 is a schematic circuit diagram of the present invention, as can be seen from fig. 1 and fig. 2, the constant voltage IC5 includes a zener diode D1, a resistor RCS, a constant voltage driving chip U1, a transistor T1, an inductor L1, a light emitting tube D2, a light emitting tube D3, a capacitor C1, and a capacitor C2, one end of a cathode of the zener diode D1 and one end of the resistor RCS are both connected to a first pin of the constant voltage driving chip U1, the other end of the resistor RCS is connected to a second pin of the constant voltage driving chip U1, a base of the transistor T1 is connected to a sixth pin of the constant voltage driving chip U1, a source of the transistor T1 is connected to an anode of the zener diode D1, and a drain of the transistor T1 is grounded; the anode of the light-emitting tube D2 is connected with the second pin of the constant voltage driving chip U1, the cathode of the light-emitting tube D2 is connected with the anode of the light-emitting tube D3, the cathode of the light-emitting tube D3 is connected with one end of an inductor L1, and the other end of the inductor L1 is connected with the anode of a voltage stabilizing diode D1; one end of the capacitor C1 is connected to the first pin of the constant voltage driver ic U1, one end of the capacitor C2 is connected to the fourth pin of the constant voltage driver ic U1, and the other end of the capacitor C1 and the other end of the capacitor C2 are both grounded. It can be understood that the fifth pin of the constant voltage driver U1 is connected to the sampling resistor, and the positive interface 1 and the negative interface 2 are both connected to the first pin of the constant voltage driver U1. The constant voltage IC chip U1 may be an MP4688 chip or the like.

It can be understood, the utility model relates to a rationally, the structure is unique, through set up this constant voltage IC5 in LED lamp area, work is through sampling resistance 4 real-time collection from anodal interface 1 and the 2 operating voltage of input LED lamp cluster 3 of negative pole interface and send to in constant voltage IC5, by this operating voltage of constant voltage IC5 real-time monitoring, make LED lamp area keep operating voltage invariable in the course of the work, when operating voltage is too high, then adjust this operating voltage through constant voltage IC5, make it maintain normal operating voltage state, avoid burning out LED lamp cluster, therefore improve the job stabilization nature in this LED lamp area greatly, the security is high, and can satisfy people's user demand, user experience is effectual.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a LED lamp area, includes the lamp area shell, its characterized in that: the LED lamp strip comprises a lamp strip shell and is characterized in that a positive interface, a negative interface, an LED lamp string, a sampling resistor and a constant-voltage IC are arranged on the lamp strip shell, the positive interface and the negative interface are electrically connected with the LED lamp string, and the LED lamp string is electrically connected with the sampling resistor and the constant-voltage IC respectively.

2. A LED strip according to claim 1, wherein: the input end of the positive interface and the input end of the negative interface are both electrically connected with an external power supply, and the output end of the positive interface and the output end of the negative interface are both electrically connected with the LED lamp string.

3. A LED strip according to claim 1, wherein: the constant voltage IC includes zener diode D1, resistance RCS, constant voltage driver chip U1 and transistor T1, zener diode D1's negative pole and resistance RCS's one end all are connected with constant voltage driver chip U1's first pin, resistance RCS's the other end and constant voltage driver chip U1's second pin are connected, transistor T1's base is connected with constant voltage driver chip U1's sixth pin, transistor T1's source and zener diode D1's positive pole are connected, transistor T1's drain ground.

4. A LED strip according to claim 3, wherein: the constant voltage IC further comprises an inductor L1, a light emitting tube D2 and a light emitting tube D3, wherein the anode of the light emitting tube D2 is connected with a second pin of the constant voltage driving chip U1, the cathode of the light emitting tube D2 is connected with the anode of the light emitting tube D3, the cathode of the light emitting tube D3 is connected with one end of the inductor L1, and the other end of the inductor L1 is connected with the anode of the voltage stabilizing diode D1.

5. A LED strip according to claim 3, wherein: the constant-voltage IC further comprises a capacitor C1 and a capacitor C2, one end of the capacitor C1 is connected with a first pin of the constant-voltage driving chip U1, one end of the capacitor C2 is connected with a fourth pin of the constant-voltage driving chip U1, and the other end of the capacitor C1 and the other end of the capacitor C2 are both grounded.

6. A LED strip according to claim 3, wherein: the fifth pin of the constant voltage driving chip U1 is connected with the sampling resistor, and the positive electrode interface and the negative electrode interface are connected with the first pin of the constant voltage driving chip U1.