CN218830731U

CN218830731U - Power supply circuit

Info

Publication number: CN218830731U
Application number: CN202222407146.0U
Authority: CN
Inventors: 杨义根; 刘阳
Original assignee: Foshan Hanli Electronic Technology Co ltd
Current assignee: Foshan Hanli Electronic Technology Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-04-07
Anticipated expiration: 2032-09-07

Abstract

The utility model relates to the technical field of circuits, concretely relates to power supply circuit, include: the control module, three routes of three-primary-color lamp sets and the electronic switches which correspond to each route of three-primary-color lamp set one by one; one end of each path of the tricolor lamp set is connected with a power supply end, and the other end of each path of the tricolor lamp set is connected with the input end of the corresponding electronic switch; the control end of the electronic switch corresponding to each path of the tricolor lamp set is respectively connected with a plurality of signal control pins in the control module in a one-to-one correspondence manner and is commonly connected with a power supply positive pin of the control module; the control module sends a conducting signal to an electronic switch correspondingly connected with the signal control pin through at least one signal control pin to control the circuit of at least one path of tricolor light set to be conducted; the utility model discloses hardware cost and consumption can be reduced.

Description

Power supply circuit

Technical Field

The utility model relates to the technical field of circuits, concretely relates to power supply circuit.

Background

A three-primary-color lamp is a lamp which emits light by using lamp tubes of three color spectrums of R (red), G (green) and B (blue), and the three-primary-color lamp can be formed into any color, and is also commonly called a seven-color lamp; in some products with light decoration effect, a colorful lamp is usually designed, and the colorful lamp is controlled by a control module to achieve corresponding colorful effect.

In the correlation technique, the control module and the colorful lamp are respectively supplied with power in parallel through the power supply, so that when the colorful lamp is required to be supplied with power, the voltage reduction module is additionally adopted to reduce the voltage of the power supply and then supply power to the control module, higher hardware cost is caused, and larger power consumption is brought.

Therefore, there is a need for an improved circuit in the related art to achieve the same light decoration effect with lower hardware cost and less power consumption.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides a power supply circuit to solve one or more technical problems existing in the prior art, and at least provide a useful choice or creation condition.

In order to achieve the above object, the present invention provides the following technical solutions:

a power supply circuit comprising: the control module, three routes of tricolor light sets and the electronic switch which is corresponding to each route of tricolor light set one by one;

one end of each path of the tricolor lamp set is connected with a power supply end, and the other end of each path of the tricolor lamp set is connected with the input end of the corresponding electronic switch;

the control end of the electronic switch corresponding to each path of the tricolor lamp set is respectively connected with a plurality of signal control pins in the control module in a one-to-one correspondence manner, and the output end of the electronic switch is commonly connected with a power supply anode pin of the control module;

the control module sends a conducting signal to an electronic switch correspondingly connected with the signal control pin through at least one signal control pin to control the circuit of at least one path of tricolor light set to be conducted.

Furthermore, the three primary color lamp sets respectively comprise four primary color lamps connected in series.

Furthermore, a first current limiting resistor is arranged between each path of the tricolor light set and the corresponding electronic switch.

Furthermore, the power supply circuit comprises a second current-limiting resistor, one end of the second current-limiting resistor is connected with the power supply end, and the other end of the second current-limiting resistor is respectively connected with the three primary color lamp sets.

Further, the voltage of the power supply end is direct current 24V.

The utility model has the advantages that: after the power supply voltage of the power supply end is reduced through the tricolor lamp set, the control module is powered on, and the tricolor lamp set is lightened simultaneously, so that the light decoration effect is achieved. The tricolor light set has both a decoration function and a voltage reduction function, so that a voltage reduction circuit is not required to be independently adopted to carry out voltage reduction and power supply on the control module, and the purposes of reducing hardware cost and power consumption are achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic circuit diagram of a power supply circuit according to an embodiment of the present invention;

fig. 2 is another schematic circuit diagram of a power supply circuit according to an embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.

In the description of the present application, if words such as "a", "an", etc. are used, they mean one or more, and a plurality means two or more, and more than, less than, more than, etc. are understood as excluding the number, and more than, less than, more than, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated. In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.

Referring to fig. 1, an embodiment of the present invention provides a power supply circuit, including: the three-primary-color lamp set comprises a control module 100, three paths of three primary-color lamp sets 200 and electronic switches 300 which are in one-to-one correspondence with each path of three primary-color lamp set 200;

one end of each of the tricolor lamp sets 200 is commonly connected with a power supply end VCC, and the other end is connected with the input end of the corresponding electronic switch 300;

the control end of the electronic switch 300 corresponding to each tricolor light set 200 is respectively connected with the signal control pins in the control module 100 in a one-to-one correspondence manner, and the output end is commonly connected with the power supply positive pin of the control module 100;

the control module 100 sends a conducting signal to the electronic switch 300 correspondingly connected to the signal control pin through at least one signal control pin, so as to control the circuit of at least one tricolor light set 200 to be conducted.

The working principle of the application is as follows:

during operation, the control module 100 sends a conducting signal and a power-off signal to the electronic switch 300 through the signal control pin, and controls the flickering of the tricolor light set 200 connected with the electronic switch 300, so as to realize the light effect of the tricolor light set 200. In a specific application, the electronic switch 300 may be any type of electrically controlled switch, such as at least one of a relay, a transistor, and a field effect transistor, or any combination of types and numbers. In order to ensure the power supply of the control module 100, the control module 100 sends a conducting signal to the electronic switch 300 correspondingly connected to the signal control pin through at least one signal control pin to control the circuit of at least one tricolor light set 200 to be conducted, and the control module 100 is powered after the power supply voltage of the power supply terminal VCC is reduced by the tricolor light set 200. It can be seen that the three-primary-color lamp set 200 has both the decoration function and the voltage reduction function, so that it is not necessary to separately use a voltage reduction circuit to perform voltage reduction and power supply on the control module 100, and the purpose of reducing hardware cost and power consumption is achieved.

As a modification of the above embodiment, each of the three tricolor light sets 200 comprises four tricolor lights connected in series.

Referring to fig. 1 again, as a modification of the above embodiment, a first current limiting resistor RS1 is disposed between each of the three-primary-color lamp sets 200 and the corresponding electronic switch 300.

In one embodiment, the power supply circuit includes three first current limiting resistors RS1, and the resistance value of the first current limiting resistor RS1 is set based on the maximum rated current of the tricolor light set 200 corresponding to the first current limiting resistor RS1.

Referring to fig. 2, as an improvement of the above embodiment, the power supply circuit includes a second current-limiting resistor RS2, one end of the second current-limiting resistor RS2 is connected to a power supply terminal VCC, and the other end is respectively connected to the three primary color lamp sets 200.

In another embodiment, the power supply circuit employs a second current limiting resistor RS2, and the resistance of the second current limiting resistor RS2 is set based on the maximum rated current of the three-way tricolor light set 200.

As a modification of the above embodiment, the voltage of the power supply terminal VCC is direct current 24V.

While the present disclosure has been described in considerable detail and with particular reference to several illustrated embodiments, it is not intended to be limited to any such details or embodiments or any particular embodiments, but rather should be construed to effectively cover the intended scope of the disclosure by reference to the appended claims, which are given the broadest possible interpretation of such claims in view of the prior art. Furthermore, the foregoing describes the invention in terms of embodiments foreseen by the inventor for which an enabling description was available, notwithstanding that insubstantial modifications of the invention, not presently foreseen, may nonetheless represent equivalent modifications of the present disclosure.

Claims

1. A power supply circuit, comprising: the control module, three routes of three-primary-color lamp sets and the electronic switches which correspond to each route of three-primary-color lamp set one by one;

2. The power supply circuit of claim 1, wherein each of the three primary color lamp sets comprises four serially connected primary color lamps.

3. The power supply circuit according to claim 1, wherein a first current limiting resistor is disposed between each of the three primary color lamps and the corresponding electronic switch.

4. The power supply circuit according to claim 1, wherein said power supply circuit comprises a second current-limiting resistor, one end of said second current-limiting resistor is connected to said power supply terminal, and the other end is connected to three of said three-primary-color lamp sets, respectively.

5. A power supply circuit according to claim 1, characterized in that the voltage at the power supply terminals is direct current 24V.