CN216960259U

CN216960259U - Energy-efficient constant current output work light

Info

Publication number: CN216960259U
Application number: CN202220691339.0U
Authority: CN
Inventors: 刘凤生
Original assignee: Shenzhen Superlight Technology Co ltd
Current assignee: Shenzhen Superlight Technology Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-07-12
Anticipated expiration: 2032-03-28

Abstract

The utility model discloses a high-efficiency energy-saving constant-current output working lamp, which comprises a voltage reduction module, a control module, a constant-current module and an LED module, wherein the voltage reduction module is connected with the control module; the voltage reduction module is respectively electrically connected with a power supply and the control module and is used for reducing the voltage provided by the power supply to the working voltage of the control module and supplying the working voltage to the control module for use; the control module is also electrically connected with the power supply and the constant current module respectively and used for controlling the operation of the constant current module; the constant current module is also electrically connected with the LED module, the LED module is also electrically connected with a power supply, the constant current module is used for driving the LED module to run at a constant current, and the LED module is used for emitting light under the constant current driving of the constant current module. The utility model realizes constant current output through the high-efficiency energy-saving control circuit, saves energy while ensuring the brightness of the working lamp, has smaller power loss and heat productivity, reduces the temperature rise of the lamp, delays the light decay of the working lamp, has long service life, is simple and convenient to operate, and improves the use experience of users.

Description

Energy-efficient constant current output work light

Technical Field

The utility model relates to the technical field of working lamps, in particular to a high-efficiency energy-saving constant-current output working lamp.

Background

Along with the continuous development of science and technology, all kinds of lamps and lanterns such as light, landscape lamp, work lamp have been successively released in the market, but current work lamp efficiency is on the low side, and the loss power is great, leads to giving out heat in the lamp greatly to improve the lamps and lanterns temperature rise, accelerated the light decay of lamp pearl, reduced the life of work lamp, user experience is not good.

Accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an efficient and energy-saving constant-current output working lamp.

The technical scheme of the utility model is as follows:

a high-efficiency energy-saving constant-current output working lamp comprises a voltage reduction module, a control module, a constant-current module and an LED module; the voltage reduction module is respectively electrically connected with a power supply and the control module, and is used for reducing the voltage provided by the power supply to the working voltage of the control module and supplying the working voltage to the control module for use; the control module is also electrically connected with the power supply and the constant current module respectively, and is used for controlling the operation of the constant current module; the constant current module is also electrically connected with the LED module, the LED module is also electrically connected with the power supply, the constant current module is used for driving the LED module to run in a constant current mode, and the LED module is used for emitting light under the constant current driving of the constant current module.

Further, the voltage reduction module comprises a resistor R1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4 and a voltage reduction chip U1; one ends of the resistor R1 and the capacitor C1 are electrically connected with the power supply, the other end of the resistor R1 is electrically connected with one end of the capacitor C2 and a first pin of the voltage-reducing chip U1, the other ends of the capacitors C1 and C2 and a second pin of the voltage-reducing chip U1 are grounded, a third pin of the voltage-reducing chip U1 is electrically connected with one ends of the capacitors C3 and C4 and the control module, the other ends of the capacitors C3 and C4 are grounded, and the voltage provided by the power supply is reduced to the working voltage of the control module through the voltage-reducing chip U1 and is supplied to the control module for use;

the voltage reduction chip U1 adopts a voltage stabilization chip with the model number HT 7136.

Further, the control module comprises resistors R2, R3, R4, R5, control keys S1 and S2 and a control chip U2; a first pin of the control chip U2 is electrically connected to a third pin of the buck chip, a second pin of the control chip U2 is electrically connected to one end of the control key S1, a third pin of the control chip U2 is electrically connected to one end of the control key S2, the other ends of the control keys S1 and S2 are both grounded, a fifth pin of the control chip U2 is electrically connected to one end of the resistor R5 and the constant current module, the other end of the resistor R5 is grounded, one end of the resistor R3 is electrically connected to the power supply, the other end of the resistor R3 is electrically connected to one ends of the resistors R2 and R4, the other end of the resistor R2 is electrically connected to a sixth pin of the control chip U2, and the other end of the resistor R4 and an eighth pin of the control chip U2 are both grounded;

the control chip U2 adopts a single chip microcomputer with the model of HCT 150G.

Further, the constant current module comprises resistors R6, R7, R8, capacitors C5, C6, C7, an inductor L1, a diode D1 and a constant current driving chip U3; one end of the resistor R6 is electrically connected to the fifth pin of the control chip U2, the other end of the resistor R6 is electrically connected to the third pin of the constant current driving chip U3, the first pin of the constant current driving chip U3 is grounded, the fourth pin of the constant current driving chip U3 is electrically connected to one end of the inductor L1 and one end of the diode D1, the other end of the inductor L1 is electrically connected to the LED module, the fifth pin and the sixth pin of the constant current driving chip U3 are both electrically connected to one end of the resistor R8, the seventh pin of the constant current driving chip U3 is electrically connected to one end of the capacitor C7, the eighth pin of the constant current driving chip U3 is electrically connected to one end of the capacitors C5 and C6, the other ends of the resistors R8, C5, C6 and C7 are all grounded, and one end of the resistor R7 is electrically connected to the other end of the diode D1 and the LED module 1, the other end of the resistor R7 is electrically connected with the capacitor C5, and the LED module is driven to run by constant current through the constant current driving chip U3;

the constant current driving chip U3 adopts an LED constant current driver with the model number of OC 5022B.

Furthermore, the LED module comprises a plurality of LED lighting units which are formed by connecting a plurality of LED lamp beads in series; the LED lighting units are electrically connected in parallel, so that each LED lighting unit is electrically connected with the power supply and one end of the resistor R7 and one end of the inductor L1 respectively, and each LED lighting unit realizes light emission under the constant current driving of the constant current driving chip U3.

By adopting the scheme, the utility model has the following beneficial effects:

constant current output is realized through the energy-efficient control circuit, has saved the energy when guaranteeing work light luminance, and the loss power is littleer with calorific capacity, has reduced the lamps and lanterns temperature rise, has delayed the light decay of work light, long service life, and easy operation is convenient, has promoted user and has used experience.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic circuit diagram of an efficient energy-saving constant current output working lamp according to an embodiment of the present invention.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Referring to fig. 1, the utility model provides an efficient energy-saving constant current output working lamp, which comprises a voltage reduction module 101, a control module 102, a constant current module 103 and an LED module 104; the voltage reduction module 101 is electrically connected to a power supply and the control module 102, specifically, the power supply preferably adopts an 18V dc power supply, and the voltage reduction module 101 is configured to reduce a voltage provided by the power supply to a working voltage of the control module 102 and supply the working voltage to the control module 102, so as to provide an electric energy required by the operation of the control module 102; the control module 102 is further electrically connected to the power supply and the constant current module 103, and the control module 102 is configured to control the operation of the constant current module 103; the constant current module 103 is further electrically connected with the LED module 104, the LED module 104 is further electrically connected with the power supply, the constant current module 103 is configured to drive the LED module 104 to operate at a constant current, and the LED module 104 is configured to emit light under the constant current drive of the constant current module 103.

In this embodiment, the voltage-reducing module 101 includes a resistor R1, capacitors C1, C2, C3, C4, and a voltage-reducing chip U1; one end of each of the resistor R1 and the capacitor C1 is electrically connected to the power supply, the other end of the resistor R1 is electrically connected to one end of the capacitor C2 and the first pin of the voltage-reducing chip U1, the other end of each of the capacitors C1 and C2 and the second pin of the voltage-reducing chip U1 are both grounded, the third pin of the voltage-reducing chip U1 is electrically connected to one end of each of the capacitors C3 and C4 and the control module 102, the other ends of the capacitors C3 and C4 are both grounded, when the voltage-reducing chip U1 is used, the voltage provided by the power supply is reduced to the working voltage of the control module 102 and is supplied to the control module 102, and particularly, the voltage-reducing chip U1 preferably adopts a voltage-stabilizing chip with the model of HT 7136.

In this embodiment, the control module 102 includes resistors R2, R3, R4, R5, control buttons S1, S2, and a control chip U2; a first pin of the control chip U2 is electrically connected to a third pin of the voltage-reducing chip, a second pin of the control chip U2 is electrically connected to one end of the control key S1, a third pin of the control chip U2 is electrically connected to one end of the control key S2, the other ends of the control keys S1 and S2 are both grounded, a fifth pin of the control chip U2 is electrically connected to one end of the resistor R5 and the constant current module 103, the other end of the resistor R5 is grounded, one end of the resistor R3 is electrically connected to the power supply, the other end of the resistor R3 is electrically connected to one ends of the resistors R2 and R4, the other end of the resistor R2 is electrically connected to a sixth pin of the control chip U2, the other end of the resistor R4 and an eighth pin of the control chip U2 are both grounded, and when the voltage-reducing chip is used, a user operates the control key S1, S2 triggers different commands of the control chip U2, so that the control chip U2 outputs a control signal to the constant current module 103 through a fifth pin thereof, thereby controlling the operation of the constant current module 103, and specifically, the control chip U2 preferably uses a single chip microcomputer with a model of HCT 150G.

In this embodiment, the constant current module 103 includes resistors R6, R7, R8, capacitors C5, C6, C7, an inductor L1, a diode D1, and a constant current driving chip U3; one end of the resistor R6 is electrically connected to the fifth pin of the control chip U2, the other end of the resistor R6 is electrically connected to the third pin of the constant current driving chip U3, the first pin of the constant current driving chip U3 is grounded, the fourth pin of the constant current driving chip U3 is electrically connected to one ends of the inductor L1 and the diode D1, the other end of the inductor L1 is electrically connected to the LED module 104, the fifth pin and the sixth pin of the constant current driving chip U3 are both electrically connected to one end of the resistor R8, the seventh pin of the constant current driving chip U3 is electrically connected to one end of the capacitor C7, the eighth pin of the constant current driving chip U3 is electrically connected to one ends of the capacitors C5 and C6, the other ends of the resistors R8, C5, C6 and C7 are grounded, and one end of the resistor R7 is electrically connected to the other end of the diode D1 and the LED module 104, the other end of the resistor R7 is electrically connected to the capacitor C5, and when the LED module 104 is driven to operate by the constant current driving chip U3 according to a control signal output by the control chip U2, that is, the constant current driving chip U3 drives the LED module 104 to operate at a constant current, specifically, the constant current driving chip U3 preferably adopts an LED constant current driver with a model of OC 5022B.

In this embodiment, the LED module 104 includes three LED lighting units each formed by connecting three LED beads in series; the three LED lighting units are electrically connected in parallel, so that each LED lighting unit is electrically connected with the power supply and one end of the resistor R7 and one end of the inductor L1 respectively, and when the LED lighting unit is used, each LED lighting unit realizes light emission under the constant current driving of the constant current driving chip U3;

in fact, the number of the LED lighting units is not limited to three, and may be two or more, and the number of the LED beads included in each LED lighting unit is not limited to three, and may be one or more.

The working process and principle of the utility model are as follows: after power on, the voltage reduction chip U1 supplies power to the control chip U2, a user triggers an instruction of the control chip U2 by operating the control keys S1 and S2, so that the control chip U2 outputs a control signal to the constant current drive chip U3, and the constant current drive chip U3 outputs a constant current according to the received control signal to drive the LED module 104 to emit light.

Compared with the prior art, the utility model has the following beneficial effects:

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-efficiency energy-saving constant-current output working lamp is characterized by comprising a voltage reduction module, a control module, a constant-current module and an LED module; the voltage reduction module is respectively electrically connected with a power supply and the control module, and is used for reducing the voltage provided by the power supply to the working voltage of the control module and supplying the working voltage to the control module for use; the control module is also electrically connected with the power supply and the constant current module respectively, and is used for controlling the operation of the constant current module; the constant current module is also electrically connected with the LED module, the LED module is also electrically connected with the power supply, the constant current module is used for driving the LED module to run in a constant current mode, and the LED module is used for emitting light under the constant current driving of the constant current module.

2. The high-efficiency energy-saving constant-current output working lamp as claimed in claim 1, wherein the voltage reduction module comprises a resistor R1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4 and a voltage reduction chip U1; one end of each of the resistor R1 and the capacitor C1 is electrically connected with the power supply, the other end of the resistor R1 is electrically connected with one end of the capacitor C2 and a first pin of the voltage reduction chip U1, the other end of each of the capacitors C1 and C2 and a second pin of the voltage reduction chip U1 are all grounded, a third pin of the voltage reduction chip U1 is electrically connected with one end of each of the capacitors C3 and C4 and the control module, the other ends of the capacitors C3 and C4 are both grounded, and the voltage provided by the power supply is reduced to the working voltage of the control module and supplied to the control module for use through the voltage reduction chip U1.

3. The high-efficiency energy-saving constant-current output working lamp as claimed in claim 2, wherein the voltage reduction chip U1 is a voltage stabilization chip with model number HT 7136.

4. The high-efficiency energy-saving constant-current output working lamp as claimed in claim 2, wherein the control module comprises resistors R2, R3, R4, R5, control keys S1 and S2 and a control chip U2; the first pin of the control chip U2 is electrically connected to the third pin of the voltage-reducing chip, the second pin of the control chip U2 is electrically connected to one end of the control key S1, the third pin of the control chip U2 is electrically connected to one end of the control key S2, the other ends of the control keys S1 and S2 are both grounded, the fifth pin of the control chip U2 is electrically connected to one end of the resistor R5 and the constant current module, the other end of the resistor R5 is grounded, one end of the resistor R3 is electrically connected to the power supply, the other end of the resistor R3 is electrically connected to one ends of the resistors R2 and R4, the other end of the resistor R2 is electrically connected to the sixth pin of the control chip U2, and the other end of the resistor R4 and the eighth pin of the control chip U2 are both grounded.

5. The high-efficiency energy-saving constant-current output working lamp as claimed in claim 4, wherein the control chip U2 is a single chip microcomputer with the model of HCT 150G.

6. The high-efficiency energy-saving constant-current output working lamp as claimed in claim 4, wherein the constant-current module comprises resistors R6, R7, R8, capacitors C5, C6, C7, an inductor L1, a diode D1 and a constant-current driving chip U3; one end of the resistor R6 is electrically connected to the fifth pin of the control chip U2, the other end of the resistor R6 is electrically connected to the third pin of the constant current driving chip U3, the first pin of the constant current driving chip U3 is grounded, the fourth pin of the constant current driving chip U3 is electrically connected to one end of the inductor L1 and one end of the diode D1, the other end of the inductor L1 is electrically connected to the LED module, the fifth pin and the sixth pin of the constant current driving chip U3 are both electrically connected to one end of the resistor R8, the seventh pin of the constant current driving chip U3 is electrically connected to one end of the capacitor C7, the eighth pin of the constant current driving chip U3 is electrically connected to one end of the capacitors C5 and C6, the other ends of the resistors R8, C5, C6 and C7 are all grounded, and one end of the resistor R7 is electrically connected to the other end of the diode D1 and the LED module 1, the other end of the resistor R7 is electrically connected with the capacitor C5, and the LED module is driven to operate by constant current through the constant current driving chip U3.

7. The high-efficiency energy-saving constant-current output working lamp as claimed in claim 6, wherein the constant-current driving chip U3 is an LED constant-current driver with model number OC 5022B.

8. The efficient energy-saving constant-current output working lamp as claimed in claim 6, wherein the LED module comprises a plurality of LED lighting units each formed by connecting a plurality of LED lamp beads in series; the LED lighting units are electrically connected in parallel, so that each LED lighting unit is electrically connected with the power supply and one end of the resistor R7 and one end of the inductor L1 respectively, and each LED lighting unit realizes light emission under the constant current driving of the constant current driving chip U3.