LED lamp power supply structure

Abstract

The utility model relates to the field of direct-current LED lamps, in particular to an LED lamp power supply structure. A power supply structure of an LED lamp comprises a long-strip-shaped LED lamp panel and a power supply module. The LED lamp panel is provided with an inner positive electrode circuit, an inner negative electrode circuit and a plurality of LED lamp sets. The plurality of LED lamp groups are connected in parallel between the inner positive electrode circuit and the inner negative electrode circuit; the two ends of the inner positive electrode circuit are connected with outer positive electrode circuits used for being connected with a power source positive electrode. The two ends of the inner cathode line are connected with outer cathode lines used for being connected with the cathode of a power supply. The lengths of the two outer positive electrode circuits connected with the two ends of the inner positive electrode circuit are approximately equal; the lengths of the two outer negative electrode lines connected with the two ends of the inner negative electrode line are roughly equal; the two external positive electrode lines are connected to the positive electrode of the same power supply or the positive electrodes of two power supplies with the same voltage; and the two external cathode circuits are connected to the cathode of the same power supply or the cathodes of two power supplies with the same voltage. The beneficial effects of the utility model are that the LED light emitting is uniform, and the brightness consistency in the light distribution performance is high.

Description

Technical Field

[0001] This utility model relates to the field of DC LED lights, and in particular to an LED light power supply structure. Background Technology

[0002] LED light strips and LED light panels typically have multiple LEDs. The traditional power supply method is a single-end power input. (Refer to...) Figure 1 The bus voltage at the input terminal of the lamp board will decrease to a certain extent from the input terminal to the output terminal due to the resistance of the copper foil traces. This decrease in the output terminal bus voltage will lead to a decrease in the operating voltage of the LED at the output terminal (P=I*U), ultimately resulting in a decrease in the illuminance of the LED at the output terminal and affecting the visual comfort of consumers when using the lamp. Utility Model Content

[0003] The purpose of this invention is to provide an LED lamp power supply structure to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] An LED lamp power supply structure includes: a long strip-shaped LED lamp board; the LED lamp board is provided with: an inner positive line, an inner negative line and multiple LED lamp groups; the multiple LED lamp groups are connected in parallel between the inner positive line and the inner negative line; each LED lamp group is provided with several LEDs connected in series.

[0006] Both ends of the inner positive line are connected to an outer positive line for connecting to the positive terminal of the power supply; both ends of the inner negative line are connected to an outer negative line for connecting to the negative terminal of the power supply; the two outer positive lines connected to both ends of the inner positive line are approximately equal in length; the two outer negative lines connected to both ends of the inner negative line are approximately equal in length; the two outer positive lines are connected to the positive terminal of the same power supply or the positive terminals of two power supplies with the same voltage; the two outer negative lines are connected to the negative terminal of the same power supply or the negative terminals of two power supplies with the same voltage.

[0007] An LED lamp power supply structure includes: a long strip-shaped LED lamp board; the LED lamp board is provided with: an inner positive line, an inner negative line, and multiple LED lamp groups; the multiple LED lamp groups are connected in parallel between the inner positive line and the inner negative line; each LED lamp group is provided with several LEDs connected in series; both ends of the inner positive line are connected to an outer positive line for connecting to the positive terminal of a power supply; both ends of the inner negative line are connected to an outer negative line for connecting to the negative terminal of a power supply; two outer positive lines are connected to the positive terminal of the same power supply or the positive terminals of two power supplies with the same voltage; two outer negative lines are connected to the negative terminal of the same power supply or the negative terminals of two power supplies with the same voltage.

[0008] The difference in length between the two outer positive lines connected to the two ends of the inner positive line shall not exceed 10% of the length of the inner positive line; the difference in length between the two outer negative lines connected to the two ends of the inner negative line shall not exceed 10% of the length of the inner negative line.

[0009] Furthermore, the difference in length between the two outer positive lines connected to the two ends of the inner positive line shall not exceed 3% of the length of the inner positive line; the difference in length between the two outer negative lines connected to the two ends of the inner negative line shall not exceed 3% of the length of the inner negative line.

[0010] An LED lamp power supply structure includes: a long strip-shaped LED lamp board; the LED lamp board is provided with: an inner positive line, an inner negative line, and multiple LED lamp groups; the multiple LED lamp groups are connected in parallel between the inner positive line and the inner negative line; each LED lamp group is provided with several LEDs connected in series; both ends of the inner positive line are connected to an outer positive line for connecting to the positive terminal of a power supply; both ends of the inner negative line are connected to an outer negative line for connecting to the negative terminal of a power supply; two outer positive lines are connected to the positive terminal of the same power supply or the positive terminals of two power supplies with the same voltage; two outer negative lines are connected to the negative terminal of the same power supply or the negative terminals of two power supplies with the same voltage.

[0011] The difference in length between the two outer positive lines connected to the two ends of the inner positive line shall not exceed 10% of the length of the longer outer positive line; the difference in length between the two outer negative lines connected to the two ends of the inner negative line shall not exceed 10% of the length of the longer outer negative line.

[0012] Furthermore, the difference in length between the two outer positive lines connected to the two ends of the inner positive line is no greater than 3% of the length of the longer outer positive line; the difference in length between the two outer negative lines connected to the two ends of the inner negative line is no greater than 3% of the length of the longer outer negative line.

[0013] An LED lamp power supply structure includes: an elongated LED lamp board and a DC power supply for powering the LED lamp board; the LED lamp board is provided with: an inner positive line, an inner negative line, and multiple LED lamp groups; the multiple LED lamp groups are connected in parallel between the inner positive line and the inner negative line; each LED lamp group is provided with several LEDs connected in series; both ends of the inner positive line are connected to an outer positive line; both ends of the inner negative line are connected to an outer negative line.

[0014] One of the two external positive lines is connected to one end of the internal positive line and the positive terminal of the DC power supply; the other of the two external positive lines is connected to the other end of the internal positive line and the positive terminal of the DC power supply; the two external positive lines are approximately equal in length.

[0015] One of the two external negative lines is connected to one end of the internal negative line and the negative terminal of the DC power supply; the other of the two external negative lines is connected to the other end of the internal negative line and the negative terminal of the DC power supply; the two external negative lines are approximately equal in length.

[0016] An LED lamp power supply structure includes: an inner positive line, an inner negative line, and multiple LED lamp groups; the multiple LED lamp groups are connected in parallel between the inner positive line and the inner negative line; each LED lamp group includes at least one LED; both ends of the inner positive line are connected to an outer positive line for connecting to the positive terminal of a power supply; both ends of the inner negative line are connected to an outer negative line for connecting to the negative terminal of a power supply; the two outer positive lines connected to both ends of the inner positive line are of approximately equal length; the two outer negative lines connected to both ends of the inner negative line are of approximately equal length; the two outer positive lines are connected to the positive terminal of the same power supply or the positive terminals of two power supplies with the same voltage; the two outer negative lines are connected to the negative terminal of the same power supply or the negative terminals of two power supplies with the same voltage.

[0017] An LED lamp power supply structure includes: an inner positive line, an inner negative line, and multiple LED lamp groups; the multiple LED lamp groups are connected in parallel between the inner positive line and the inner negative line; each LED lamp group includes at least one LED; the two ends of the inner positive line are respectively connected to a first outer positive line and a second outer positive line for connecting to the positive terminal of a power supply; the two ends of the inner negative line are respectively connected to a first outer negative line and a second outer negative line for connecting to the positive terminal of a power supply; the first outer positive line and the second outer positive line are connected to the positive terminal of the same power supply or the positive terminals of two power supplies with the same voltage; the first outer negative line and the second outer negative line are connected to the negative terminal of the same power supply or the negative terminals of two power supplies with the same voltage.

[0018] The resistance values ​​of the first external positive line and the second external positive line are approximately equal; the resistance values ​​of the first external negative line and the second external negative line are approximately equal.

[0019] Compared with the prior art, the beneficial effects of this utility model are: the LED emits light uniformly and has high brightness consistency in light distribution performance.

[0020] By adding power input terminals at both the front and rear of the LED circuit, and supplying power to the LED circuit from both ends simultaneously, the voltage of the entire bus is kept stable, and all LEDs maintain the closest operating current, ensuring that all LEDs have consistent power and uniform light emission.

[0021] Other features and advantages of this utility model will be disclosed in detail in the following specific embodiments and accompanying drawings. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the power supply circuit for a traditional LED light board;

[0023] Figure 2 This is a schematic diagram of the power supply circuit for the LED lamp power supply structure of this application. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] refer to Figure 2 The power supply circuit diagram shown uses a common power input method, where both terminals A and B are connected to the same power source. Figure 1 The traditional method involves supplying power only at end A. Figure 2 The power supply method shown can avoid the problem of reduced lighting brightness of the B-end LED in the traditional method.

[0026] As a first embodiment of this utility model, an LED lamp power supply structure includes: a long strip-shaped LED lamp board. The LED lamp board is provided with: an inner positive line, an inner negative line, and multiple LED lamp groups. The multiple LED lamp groups are connected in parallel between the inner positive line and the inner negative line. Each LED lamp group is provided with several LEDs connected in series.

[0027] Both ends of the internal positive line are connected to external positive lines for connecting to the positive terminal of the power supply. Both ends of the internal negative line are connected to external negative lines for connecting to the negative terminal of the power supply. The two external positive lines connected to the two ends of the internal positive line are approximately the same length. The two external negative lines connected to the two ends of the internal negative line are approximately the same length. The two external positive lines are connected to the positive terminal of the same power supply or to the positive terminals of two power supplies with the same voltage. The two external negative lines are connected to the negative terminal of the same power supply or to the negative terminals of two power supplies with the same voltage.

[0028] As a second embodiment of this utility model, an LED lamp power supply structure includes: a long strip-shaped LED lamp board. The LED lamp board has: an inner positive line, an inner negative line, and multiple LED lamp groups. The multiple LED lamp groups are connected in parallel between the inner positive line and the inner negative line. Each LED lamp group has several LEDs connected in series. Both ends of the inner positive line are connected to an outer positive line for connecting to the positive terminal of a power supply. Both ends of the inner negative line are connected to an outer negative line for connecting to the negative terminal of a power supply. The two outer positive lines are connected to the positive terminal of the same power supply or the positive terminals of two power supplies with the same voltage. The two outer negative lines are connected to the negative terminal of the same power supply or the negative terminals of two power supplies with the same voltage.

[0029] The difference in length between the two outer positive lines connected to the two ends of the inner positive line shall not exceed 10% of the length of the inner positive line. The difference in length between the two outer negative lines connected to the two ends of the inner negative line shall not exceed 10% of the length of the inner negative line.

[0030] Specifically, the difference in length between the two outer positive lines connected to the two ends of the inner positive line shall not exceed 3% of the length of the inner positive line. The difference in length between the two outer negative lines connected to the two ends of the inner negative line shall not exceed 3% of the length of the inner negative line.

[0031] As a third embodiment of this utility model, an LED lamp power supply structure includes: a long strip-shaped LED lamp board. The LED lamp board has: an inner positive line, an inner negative line, and multiple LED lamp groups. The multiple LED lamp groups are connected in parallel between the inner positive line and the inner negative line. Each LED lamp group has several LEDs connected in series. Both ends of the inner positive line are connected to an outer positive line for connecting to the positive terminal of a power supply. Both ends of the inner negative line are connected to an outer negative line for connecting to the negative terminal of a power supply. The two outer positive lines are connected to the positive terminal of the same power supply or the positive terminals of two power supplies with the same voltage. The two outer negative lines are connected to the negative terminal of the same power supply or the negative terminals of two power supplies with the same voltage.

[0032] The difference in length between the two outer positive lines connected to the two ends of the inner positive line shall not exceed 10% of the length of the longer outer positive line. The difference in length between the two outer negative lines connected to the two ends of the inner negative line shall not exceed 10% of the length of the longer outer negative line.

[0033] Specifically, the difference in length between the two outer positive lines connected to the two ends of the inner positive line shall not exceed 3% of the length of the longer outer positive line. The difference in length between the two outer negative lines connected to the two ends of the inner negative line shall not exceed 3% of the length of the longer outer negative line.

[0034] As a fourth embodiment of this utility model, an LED lamp power supply structure includes: a long strip-shaped LED lamp board and a DC power supply for supplying power to the LED lamp board. The LED lamp board has: an inner positive line, an inner negative line, and multiple LED lamp groups. The multiple LED lamp groups are connected in parallel between the inner positive line and the inner negative line. Each LED lamp group has several LEDs connected in series. Both ends of the inner positive line are connected to an outer positive line. Both ends of the inner negative line are connected to an outer negative line.

[0035] One of the two external positive lines connects one end of the internal positive line to the positive terminal of the DC power supply. The other of the two external positive lines connects the other end of the internal positive line to the positive terminal of the DC power supply. The two external positive lines are approximately the same length.

[0036] One of the two external negative terminals connects one end of the internal negative terminal to the negative terminal of the DC power supply. The other of the two external negative terminals connects the other end of the internal negative terminal to the negative terminal of the DC power supply. The two external negative terminals are approximately the same length.

[0037] As a fifth embodiment of this utility model, an LED lamp power supply structure includes: an inner positive line, an inner negative line, and multiple LED lamp groups. The multiple LED lamp groups are connected in parallel between the inner positive line and the inner negative line. Each LED lamp group includes at least one LED. Both ends of the inner positive line are connected to an outer positive line for connecting to the positive terminal of a power supply. Both ends of the inner negative line are connected to an outer negative line for connecting to the negative terminal of a power supply. The two outer positive lines connected to both ends of the inner positive line are approximately equal in length. The two outer negative lines connected to both ends of the inner negative line are approximately equal in length. The two outer positive lines are connected to the positive terminal of the same power supply or the positive terminals of two power supplies with the same voltage. The two outer negative lines are connected to the negative terminal of the same power supply or the negative terminals of two power supplies with the same voltage. The LED lamp power supply structure is not limited to a lamp board form; it can also be a lamp chain without a lamp board, etc.

[0038] As a sixth embodiment of this utility model, an LED lamp power supply structure includes: an inner positive line, an inner negative line, and multiple LED lamp groups. The multiple LED lamp groups are connected in parallel between the inner positive line and the inner negative line. Each LED lamp group includes at least one LED. The two ends of the inner positive line are respectively connected to a first outer positive line and a second outer positive line for connecting to the positive terminal of a power supply. The two ends of the inner negative line are respectively connected to a first outer negative line and a second outer negative line for connecting to the positive terminal of a power supply. The first outer positive line and the second outer positive line are connected to the positive terminal of the same power supply or the positive terminals of two power supplies with the same voltage. The first outer negative line and the second outer negative line are connected to the negative terminal of the same power supply or the negative terminals of two power supplies with the same voltage.

[0039] The resistance values ​​of the first external positive terminal line and the second external positive terminal line are approximately equal. The resistance values ​​of the first external negative terminal line and the second external negative terminal line are approximately equal.

[0040] This can be roughly understood as a deviation value within 20%. For the technical solution described in this application, in its preferred embodiment, the deviation value is set within 10%. Further, the deviation value is set within 5%. Even further, the deviation value is set within 3%. The internal positive electrode line, internal negative electrode line, external positive electrode line, and external negative electrode line mentioned in the above different solutions can be printed circuit boards or wire lines, etc.

[0041] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0042] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A power supply structure for an LED lamp, characterized in that, include: A long strip-shaped LED light panel; the LED light panel is provided with: an inner positive electrode line, an inner negative electrode line and multiple LED light groups; the multiple LED light groups are connected in parallel between the inner positive electrode line and the inner negative electrode line; each LED light group is provided with several LEDs connected in series; Both ends of the inner positive line are connected to an outer positive line for connecting to the positive terminal of the power supply; both ends of the inner negative line are connected to an outer negative line for connecting to the negative terminal of the power supply; the two outer positive lines connected to both ends of the inner positive line are approximately equal in length; the two outer negative lines connected to both ends of the inner negative line are approximately equal in length; the two outer positive lines are connected to the positive terminal of the same power supply or the positive terminals of two power supplies with the same voltage; the two outer negative lines are connected to the negative terminal of the same power supply or the negative terminals of two power supplies with the same voltage.

2. A power supply structure for an LED lamp, characterized in that, include: A long, strip-shaped LED light panel; the LED light panel includes: an inner positive electrode line, an inner negative electrode line, and multiple LED light groups; the multiple LED light groups are connected in parallel between the inner positive electrode line and the inner negative electrode line; each LED light group has several LEDs connected in series; both ends of the inner positive electrode line are connected to an outer positive electrode line for connecting to the positive terminal of a power supply; both ends of the inner negative electrode line are connected to an outer negative electrode line for connecting to the negative terminal of a power supply; two outer positive electrode lines are connected to the positive terminal of the same power supply or the positive terminals of two power supplies with the same voltage; two outer negative electrode lines are connected to the negative terminal of the same power supply or the negative terminals of two power supplies with the same voltage. The difference in length between the two outer positive lines connected to the two ends of the inner positive line is no greater than 10% of the length of the inner positive line; the difference in length between the two outer negative lines connected to the two ends of the inner negative line is no greater than 10% of the length of the inner negative line.

3. The LED lamp power supply structure according to claim 2, characterized in that, The difference in length between the two outer positive lines connected to the two ends of the inner positive line is no greater than 3% of the length of the inner positive line; the difference in length between the two outer negative lines connected to the two ends of the inner negative line is no greater than 3% of the length of the inner negative line.

4. A power supply structure for an LED lamp, characterized in that, include: A long, strip-shaped LED light panel; the LED light panel includes: an inner positive electrode line, an inner negative electrode line, and multiple LED light groups; the multiple LED light groups are connected in parallel between the inner positive electrode line and the inner negative electrode line; each LED light group has several LEDs connected in series; both ends of the inner positive electrode line are connected to an outer positive electrode line for connecting to the positive terminal of a power supply; both ends of the inner negative electrode line are connected to an outer negative electrode line for connecting to the negative terminal of a power supply; two outer positive electrode lines are connected to the positive terminal of the same power supply or the positive terminals of two power supplies with the same voltage; two outer negative electrode lines are connected to the negative terminal of the same power supply or the negative terminals of two power supplies with the same voltage. The difference in length between the two outer positive lines connected to the two ends of the inner positive line is no greater than 10% of the length of the longer outer positive line; the difference in length between the two outer negative lines connected to the two ends of the inner negative line is no greater than 10% of the length of the longer outer negative line.

5. The LED lamp power supply structure according to claim 4, characterized in that, The difference in length between the two outer positive lines connected to the two ends of the inner positive line is no greater than 3% of the length of the longer outer positive line; the difference in length between the two outer negative lines connected to the two ends of the inner negative line is no greater than 3% of the length of the longer outer negative line.

6. A power supply structure for an LED lamp, characterized in that, include: A long, strip-shaped LED light panel and a DC power supply for powering the LED light panel; the LED light panel has: an inner positive line, an inner negative line, and multiple LED light groups; the multiple LED light groups are connected in parallel between the inner positive line and the inner negative line; each LED light group has several LEDs connected in series; both ends of the inner positive line are connected to an outer positive line; both ends of the inner negative line are connected to an outer negative line. One of the two external positive lines is connected to one end of the internal positive line and the positive terminal of the DC power supply; the other of the two external positive lines is connected to the other end of the internal positive line and the positive terminal of the DC power supply; the two external positive lines are approximately equal in length. One of the two external negative lines is connected to one end of the internal negative line and the negative terminal of the DC power supply; the other of the two external negative lines is connected to the other end of the internal negative line and the negative terminal of the DC power supply; the two external negative lines are approximately equal in length.

7. A power supply structure for an LED lamp, characterized in that, include: Internal positive circuit, internal negative circuit, and multiple LED light groups; Multiple LED light groups are connected in parallel between the inner positive line and the inner negative line; each LED light group includes at least one LED; both ends of the inner positive line are connected to an outer positive line for connecting to the positive terminal of a power supply; both ends of the inner negative line are connected to an outer negative line for connecting to the negative terminal of a power supply; the two outer positive lines connected to both ends of the inner positive line are approximately equal in length; the two outer negative lines connected to both ends of the inner negative line are approximately equal in length; the two outer positive lines are connected to the positive terminal of the same power supply or the positive terminals of two power supplies with the same voltage; the two outer negative lines are connected to the negative terminal of the same power supply or the negative terminals of two power supplies with the same voltage.

8. A power supply structure for an LED lamp, characterized in that, include: Internal positive circuit, internal negative circuit, and multiple LED light groups; Multiple LED light groups are connected in parallel between the inner positive line and the inner negative line; each LED light group includes at least one LED; the two ends of the inner positive line are respectively connected to a first outer positive line and a second outer positive line for connecting to the positive terminal of a power supply; the two ends of the inner negative line are respectively connected to a first outer negative line and a second outer negative line for connecting to the positive terminal of a power supply; the first outer positive line and the second outer positive line are connected to the positive terminal of the same power supply or the positive terminals of two power supplies with the same voltage; the first outer negative line and the second outer negative line are connected to the negative terminal of the same power supply or the negative terminals of two power supplies with the same voltage. The resistance values ​​of the first external positive electrode line and the second external positive electrode line are approximately equal; the resistance values ​​of the first external negative electrode line and the second external negative electrode line are approximately equal.

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