CN215862985U

CN215862985U - Lamp belt control device

Info

Publication number: CN215862985U
Application number: CN202121103391.1U
Authority: CN
Inventors: 曾爱群; 林文浩; 刘宗炎
Original assignee: Leedarson Lighting Co Ltd
Current assignee: Leedarson Lighting Co Ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-02-18
Anticipated expiration: 2031-05-21

Abstract

The utility model provides a lamp strip control device which comprises a lamp strip control box, a control circuit board, a power adapter and at least two lamp strips, wherein the control circuit board is arranged in the lamp strip control box, a wire is led out from one end of the lamp strip control box and is electrically connected with the power adapter, at least two lamp strip input lines are led out from the other end of the lamp strip control box and are electrically connected with the lamp strips, and control circuits of the at least two lamp strip input lines are connected on the control circuit board in parallel. The parallel circuit is designed on the control circuit board, so that a printed circuit board of a switching circuit can be saved when the lamp strip control box is connected with a plurality of paths of lamp strips, and the production cost is reduced; the at least two lamp belt input lines led out by the lamp belt control box can equally divide the current under the condition of high power, the wires of the lamp belt input lines do not need to be thickened, the number of the lamp belt strips is increased, and the use requirements of more scenes can be met; the tail clip and the ribs are additionally arranged, so that the connection is firm and the appearance is attractive.

Description

Lamp belt control device

Technical Field

The utility model belongs to the technical field of lamp lighting equipment, and particularly relates to a lamp strip control device.

Background

The LED flexible lamp strip has the characteristics of high brightness, long service life, saving, environmental protection, flexibility and the like, and is gradually and widely used in the fields of household lighting and commercial lighting, such as lighting places such as signboards, caption advertisements, building outline sketching, indoor ceiling lighting, automobile body interior decoration and the like.

However, the power of the existing lamp strip is generally low, usually within 24W, and the lamp strip with high power cannot be made. When the length of the low-power lamp strip is prolonged, brightness difference exists between the lamp strip and the head and the tail of the lamp strip. If the high-power lamp strip is manufactured by adopting the conventional lamp strip structure, the input wire and the wire matched with the lamp strip need to be very thick so as to meet the current flowing requirement. To satisfy the requirements of CCT and RGBTW, four or six input terminals are required, because if the wires are too thick, the same terminal (the terminal is a standard component) cannot be connected to a plurality of wires. The lamp strip connected with the lamp strip with low power has limited length, is difficult to meet the installation requirement of a complex environment, and cannot be adapted to some use scenes.

Therefore, it is an urgent need to provide a control device for a high power light strip.

SUMMERY OF THE UTILITY MODEL

In order to solve present low-power lamp area length limited, be difficult to satisfy complex environment's installation demand scheduling problem, this application provides a lamp area controlling means to solve the technical defect problem that the lamp area exists in the use.

The utility model provides a lamp strip control device which comprises a lamp strip control box, a control circuit board, a power adapter and at least two lamp strips, wherein the control circuit board is arranged in the lamp strip control box, a wire is led out from one end of the lamp strip control box and is electrically connected with the power adapter, at least two lamp strip input lines are led out from the other end of the lamp strip control box and are electrically connected with the lamp strips, and control circuits of the at least two lamp strip input lines are connected on the control circuit board in parallel. The parallel circuit is designed on the control circuit board, so that a printed circuit board of a switching circuit can be saved when the lamp strip control box is connected with a plurality of paths of lamp strips, and the production cost is reduced; the at least two lamp belt input lines led out from the lamp belt control box can equally divide the current under the condition of high power, and the wires of the lamp belt input lines do not need to be thickened; the number of the lamp strips is increased, and the use requirements of more scenes can be met.

Preferably, the lamp strip control device further comprises a limiting structure, and the limiting structure is a tail clip. Fix the end of lamp area input line through limit structure to it is crisscross mixed and disorderly to prevent many lamp area input lines.

Preferably, the tail card is arranged in the lamp strip control box and clamped at the tail end of the lamp strip input wire. The lamp area input line adopts the integrated design with the tail card, simplifies the assembly, and makes whole lamp area controlling means appearance clean and tidy, pleasing to the eye through the installation of tail card.

Preferably, grooves are formed in two sides of the tail clamp, and ribs matched with the grooves are arranged on the lower cover of the lamp strip control box. The arrangement of the ribs and the tail clip meets the requirement of pull-out force between the lamp strip input line and the lamp strip control box.

Further preferably, the tail clip is a plastic piece with elasticity. The lamp strip input line is convenient to install and has a buffering protection effect.

Further preferably, the I/0 interface at the tail ends of the at least two lamp strip input lines is connected with the control circuit board, and the tail clamp is clamped on the I/0 interface to fix the lamp strip input lines on the lamp strip control box. The setting of a plurality of I/0 interfaces makes many lamp area input lines can equally divide the electric current under the condition of high power, need not to make the electric wire of lamp area input line thick, and this structure is through saving printed circuit board in order to save the expense.

Preferably, the lamp strip control device further comprises at least two input line terminals, the input line terminals are provided with electrical jacks, and the electrical jacks are electrically connected with the contact pins of the lamp strip. And providing electric energy for the plurality of lamp belts.

Preferably, the light strip comprises at least two identical LED strips. The lighting effect is more remarkable.

Preferably, the strip of light comprises at least two different LED strips. To accommodate more diverse scene requirements.

Preferably, the lamp strip control device further comprises a control switch, one end of the control switch is electrically connected with the lamp strip control box, and the other end of the control switch is electrically connected with the power adapter. The operation of the control circuit board is controlled by controlling the switch.

Compared with the prior art, the beneficial results of the utility model are as follows:

(1) the parallel circuit is designed on the control circuit board, so that a printed circuit board of a switching circuit can be saved when the lamp strip control box is connected with a plurality of paths of lamp strips, and the production cost is reduced;

(2) the at least two lamp belt input lines led out by the lamp belt control box can equally divide the current under the condition of high power, the wires of the lamp belt input lines do not need to be thickened, the condition that a plurality of lamp belt input lines are connected to input line terminals can be met, the number of lamp belt strips is increased, and the use requirements of more scenes can be met;

(3) add tail card and rib to satisfy the pulling-out force requirement between lamp area input line and the lamp area control box, thereby prevent that the lamp area input line from breaking away from on the lamp area control box.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments and together with the description serve to explain the principles of the utility model. Other embodiments and many of the intended advantages of embodiments will be readily appreciated as they become better understood by reference to the following detailed description. The elements of the drawings are not necessarily to scale relative to each other. Like reference numerals designate corresponding similar parts.

Fig. 1 is an exploded view of a tape control device according to a specific embodiment of the present invention;

FIG. 2 is a schematic assembly view of a tail card according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a circuit connection according to an embodiment of the present invention;

FIG. 4 is a control terminal-MOS switching circuit diagram according to an embodiment of the utility model;

fig. 5 is a connection circuit diagram of a control circuit board according to an embodiment of the present invention.

The meaning of each number in the figure: the LED lamp strip comprises a lamp strip control box 1, a lamp strip control box 11, a lamp strip control box 12, a lamp strip control box lower cover, ribs 121, a control circuit board 2, a power adapter 3, a lamp strip 4, a lamp strip 5, a lamp strip input line 51, an input line terminal 52, an I/0 interface 52, a tail card 6 and a control switch 7.

Detailed Description

In the following detailed description, reference is made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration specific embodiments in which the utility model may be practiced. In this regard, directional terminology, such as "top," "bottom," "left," "right," "up," "down," etc., is used with reference to the orientation of the figures being described. Because components of embodiments can be positioned in a number of different orientations, the directional terminology is used for purposes of illustration and is in no way limiting. It is to be understood that other embodiments may be utilized and logical changes may be made without departing from the scope of the present invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is defined by the appended claims.

The utility model provides a lamp strip control device, and fig. 1 shows an explosion diagram of the lamp strip control device according to a specific embodiment of the utility model, as shown in fig. 1, the lamp strip control device comprises a lamp strip control box 1, a control circuit board 2, a power adapter 3 and at least two lamp strips 4, wherein the control circuit board 2 is arranged inside the lamp strip control box 1, a wire is led out from one end of the lamp strip control box 1 and is electrically connected with the power adapter 3, at least two lamp strip input lines 5 are led out from the other end of the lamp strip control box 1 and are electrically connected with the lamp strips 4, and control circuits of the at least two lamp strip input lines 5 are connected in parallel on the control circuit board 2. The brightness and the chromaticity of the lamp strip 4 are controlled by the control circuit board 2. An electrical jack is arranged on the input wire terminal 51 at the head of the lamp strip input wire 5, and the electrical jack is electrically connected with a contact pin at the tail end of the lamp strip 4 to provide electric energy for the lamp strips 4. And 5 terminal I/0 interface 52 of lamp area input line are connected with control circuit board 2 electricity, and the setting up of a plurality of I/0 interfaces makes many lamp area input lines can equally divide the electric current under the condition of high power, need not to do the electric wire of lamp area input line thick, and printed circuit board and then reduction in production cost can be saved to this structure.

With continued reference to fig. 1, the strip control device further includes a control switch 7, one end of the control switch 7 is electrically connected to the strip control box 1, and the other end is electrically connected to the power adapter 3. The switch 7 is controlled to control the switching (ON/OFF) of the circuit board 2.

Fig. 2 shows an assembly diagram of a tail card according to an embodiment of the present invention, the tape control device is provided with a limiting structure, preferably the tail card 6, and the tail card 6 is disposed at the end through the plurality of tape input lines 5 (in this embodiment, two tape input lines 5 are taken as an example), that is, the tail card 6 is clipped on the I/0 interface 52 to fix the tape input lines 5 on the tape control box 1. Grooves are formed in two sides of the tail clamp 6, the upper cover 11 of the lamp strip control box 1 is detached, and the rib 121 matched with the grooves is arranged on the lower cover 12 of the lamp strip control box 1. If only rely on the welding between lamp area input line 5 and the control circuit board 2 to come fixed connection lamp area input line 5 and lamp area control box 1 not firm, the collocation setting of rib 121 and recess can satisfy the pulling-out force requirement between lamp area input line 5 and the lamp area control box 1, prevents that lamp area input line 5 from breaking away from on lamp area control box 1, further fixes lamp area input line 5 in lamp area control box 1.

Preferably, the tail clip 6 is an elastic plastic piece, so as to facilitate installation and play a role in buffering and protecting the lamp strip input line 5. Lamp area input line 5 adopts the integrated design with tail card 6 to simplify the assembly, and the installation through tail card 6 prevents that many lamp area input lines are crisscross mixed and disorderly, makes whole lamp area controlling means's appearance neater and more beautiful.

Fig. 3 shows a schematic circuit connection diagram according to an embodiment of the present invention, as shown in fig. 3, this embodiment still takes two light strips as an example, the light strips 41 and 42 connect the first control circuit and the second control circuit in parallel on the same control circuit board 2 through the input line terminal 511 and the input line terminal 512, and the control circuit board 2 is connected with the power adapter 3 (shown in fig. 1) to obtain an input power. The control circuit board 2 sends a PWM wave to the switching tube, and controls the output current of the circuit by controlling the duty ratio of the on-time of the switching tube in the period, thereby controlling the brightness or chromaticity of the lamp strips 41 and 42. The light strips 41 and 42 may be two identical LED strips, for example both RGB strips or both fantasy color strips. Preferably, the light strip 41 and the light strip 42 may also be two different LED strips, for example, the light strip 41 is an RGB light strip, and the light strip 42 is a color strip. By designing the parallel circuit on the control circuit board 2, a printed circuit board of a switching circuit can be saved when the lamp strip control box is connected with a plurality of paths of lamp strips, so that the production cost is reduced; at least two lamp belt input lines led out from the lamp belt control box can equally divide the current under the condition of high power, and the wires of the lamp belt input lines do not need to be thickened; the number of the lamp strips is increased, and even the lamp strips of different types are connected, so that the lamp using requirements of more different scenes can be met.

Fig. 4 shows a control terminal-MOS switching circuit diagram according to an embodiment of the utility model, as shown in fig. 4, a resistor R1/R3 is connected to the gate of a switching tube (MOS field effect transistor), the source of the switching tube is grounded, and a resistor R2/R4 is connected between the resistor R1/R3 and the source of the switching tube. The R1/R3 plays a role in limiting current and preventing peripheral components from being broken down due to the fact that the speed of the switching tube is too fast, and the R2/R4 provides bias voltage for the switching tube and simultaneously serves as a discharge resistor to discharge static electricity between the grid G and the source S. The source electrode and the drain electrode of the MOS transistor are reversely connected with a freewheeling diode Q1/Q2 in parallel, so that the current sudden change is prevented, the switch tube is prevented from being broken down under high voltage, and the switch tube is prevented from being burnt out when the source electrode and the drain electrode are reversely connected.

Fig. 5 shows a connection circuit diagram of a control circuit board according to an embodiment of the present invention, as shown in fig. 5, the control circuits PWM1 and PWM2 of the two light strips are both connected to the control circuit board, and the PWM waves output by the control circuit board pass through an LC low-pass filter circuit to reduce the harmonic content.

It will be apparent to those skilled in the art that various modifications and variations can be made to the embodiments of the present invention without departing from the spirit and scope of the utility model. In this way, if these modifications and changes are within the scope of the claims of the present invention and their equivalents, the present invention is also intended to cover these modifications and changes. The word "comprising" does not exclude the presence of other elements or steps than those listed in a claim. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage. Any reference signs in the claims shall not be construed as limiting the scope.

Claims

1. A lamp strip control device is characterized by comprising a lamp strip control box, a control circuit board, a power adapter and at least two lamp strips, wherein the control circuit board is arranged in the lamp strip control box, a wire is led out from one end of the lamp strip control box and is electrically connected with the power adapter, at least two lamp strip input wires are led out from the other end of the lamp strip control box and are electrically connected with the lamp strips, and control circuits of the at least two lamp strip input wires are connected on the control circuit board in parallel.

2. A light strip control device as claimed in claim 1, further comprising a limiting structure, said limiting structure being a tail clip.

3. A strip control device as claimed in claim 2, wherein said tail clip is disposed within said strip control housing, said tail clip being snap-fitted to the end of said strip input cord.

4. The light strip control device of claim 2, wherein grooves are formed in two sides of the tail clip, and ribs adapted to the grooves are formed on the lower cover of the light strip control box.

5. A light strip control device as claimed in claim 2, wherein said tail clip is a resilient plastic member.

6. A light strip control device as claimed in claim 2, wherein at least two I/0 interfaces at the ends of said light strip input line are connected to said control circuit board, and said tail clip is engaged with said I/0 interfaces to secure said light strip input line to said light strip control box.

7. The light strip control device of claim 1, further comprising at least two input line terminals, wherein the input line terminals have electrical sockets, and wherein the electrical sockets are electrically connected to the pins of the light strip.

8. A light strip control device as claimed in claim 1, wherein said light strip comprises at least two identical LED light strips.

9. A light strip control device as claimed in claim 1, wherein said light strip comprises at least two non-identical LED strips.

10. A strip control device according to claim 1, further comprising a control switch, one end of said control switch being electrically connected to the strip control box and the other end being electrically connected to the power adapter.