CN214507414U

CN214507414U - LED illumination control driving system

Info

Publication number: CN214507414U
Application number: CN202120856579.7U
Authority: CN
Inventors: 马瑞芳; 施春华; 马瑞杰
Original assignee: Shanghai Musa Electronic Technology Co ltd
Current assignee: Shanghai Musa Electronic Technology Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-10-26
Anticipated expiration: 2031-04-23

Abstract

The application relates to a LED lighting control driving system, relates to the technical field of LED control, and comprises: the brightness acquisition module comprises a photosensitive piece and is used for acquiring and outputting a brightness signal of light rays in a set environment; the signal judgment module comprises a first comparator U1 and a brightness acquisition module signal, and is used for receiving the brightness signal, judging whether the brightness signal meets the illumination requirement or not and outputting a judgment result signal; and the LED driving module comprises a driver and a signal judging module signal, receives and responds to the judging result signal, and outputs a control signal to the LED lamp. The application has the effect of providing sufficient light for a user in time.

Description

LED illumination control driving system

Technical Field

The application relates to the technical field of LED control, in particular to an LED illumination control driving system.

Background

Currently, LED lighting systems are commonly used for lighting in rooms to provide sufficient light in the room.

In the prior art, the control method of the LED lighting system generally includes:

firstly, a user manually controls a switch;

and controlling a switch and the like through intelligent equipment.

And no matter which way to turn on the LED lighting system, the user is required to turn on the LED lighting system according to the requirement.

With respect to the related art in the above, the inventors consider that: since the external light is usually changed gradually, the user can not feel the change of the light in time easily when in a room, and the user can easily have poor influence on eyes after being in a dark environment for a long time.

SUMMERY OF THE UTILITY MODEL

In order to be able to provide sufficient light to a user in a timely manner, the present application provides an LED lighting control drive system.

The application provides a LED lighting control actuating system adopts following technical scheme:

LED lighting control actuating system, with LED lamps and lanterns signal connection, include:

the brightness acquisition module comprises a photosensitive piece and is used for acquiring and outputting a brightness signal of light rays in a set environment;

the signal judgment module comprises a first comparator U1 and the brightness acquisition module signal, and is used for receiving the brightness signal, judging whether the brightness signal meets the illumination requirement or not and outputting a judgment result signal;

and the LED driving module comprises a driver, receives and responds to the signal of the signal judgment module, and outputs a control signal to the LED lamp.

Through adopting above-mentioned technical scheme, can acquire the light state in the setting environment through luminance acquisition module, judge by signal judgment module again whether light in the current setting environment satisfies required lighting requirements, if unsatisfied, then open LED lamps and lanterns through the LED module to make light in the setting environment can satisfy lighting requirements, realize in time providing the purpose of sufficient light for the user.

Preferably, the method further comprises the following steps:

a communication module, comprising:

the first communication unit is configured in the signal judgment module, is in signal connection with the first comparator U1, and is used for sending the judgment result signal;

and the second communication unit is configured in the LED driving module, is in signal connection with the communication module and the LED driving module, and is used for receiving the judgment result signal sent by the first communication unit and transmitting the judgment result signal to the LED driving module.

Through adopting above-mentioned technical scheme, because the sensitization piece need distribute in the position of difference, and first comparator U1 generally need in time judge the output signal of sensitization piece, consequently first communication unit and second communication unit's setting can satisfy the quick communication between first comparator U1 and the LED drive module.

Preferably, the photosensitive member includes a photosensitive resistor RL or a phototransistor VT.

By adopting the technical scheme, the photoresistor RL and the phototriode VT can timely sense the transformation in light in the environment, wherein the cost of the photoresistor RL is lower, but the phototriode VT can amplify the output signal in proportion, so that the output signal is easier to identify.

Preferably, the photosensitive device is provided with a plurality of photosensitive devices, each photosensitive device is in signal connection with one first comparator U1, the output end of the photosensitive device is in signal connection with the inverting input end of the first comparator U1, and the non-inverting output end of the first comparator U1 is in signal connection with a first reference signal Vref.

By adopting the technical scheme, the plurality of photosensitive pieces can be arranged in more areas in the setting environment, and the change conditions of light rays in the setting environment can be sensed more accurately and timely, so that sufficient light sources can be provided for users timely.

Preferably, the output end of each of the plurality of first comparators U1 is connected to an adder U2, the output end of the adder U2 is connected to the non-inverting input end of a second comparator U3, and the inverting input end of the second comparator U3 is connected to a second reference signal Nref.

Through adopting above-mentioned technical scheme, through adder U2 and second comparator U3's setting, judge the whole light condition in the setting environment according to the output signal of a plurality of sensitization pieces, the whole light condition in the setting environment of judgement that can be more accurate.

Preferably, the adder U2 is configured as one, and the output ends of the first comparators U1 are connected to the two input ends of the adder U2 through a resistor signal.

By adopting the above technical scheme, when only one adder U2 is provided, the output results of the plurality of first comparators U1 can be calculated by respectively leading out the plurality of input ends through the plurality of parallel resistors.

Preferably, the number of the adders U2 is multiple, two of the first comparators U1 are respectively connected with one of the adders U2, and the output end of each two of the adders U2 is connected with one of the adders U2.

By adopting the technical scheme, when the adder U2 is provided with a plurality of adders, the purpose of outputting the calculation result can be quickly realized.

Preferably, the photosensitive member and the first comparator U1 are integrally arranged and are arranged in a protective casing, and the protective casing is movably connected to a wall in the setting environment.

Through adopting above-mentioned technical scheme, convenient to use person dismouting sensitization piece at any time realizes the purpose that detects different regional light.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the brightness acquisition module, the signal judgment module and the LED driving module, the light condition in a set environment can be acquired in real time and fed back to the signal judgment module, and then the LED driving module determines whether to start the LED lamp or not according to the output signal of the signal judgment module;

2. through the setting of a plurality of sensitization pieces, can be more comprehensive timely experience the change of light in the settlement environment.

Drawings

FIG. 1 is a block diagram of an embodiment of the present application;

FIG. 2 is a circuit diagram of an embodiment of the present application;

fig. 3 is a schematic structural diagram of a protective case according to an embodiment of the present application.

Reference numerals: 0. an LED lamp; 1. a brightness acquisition module; 11. a photosensitive member; 2. a signal judgment module; 3. an LED driving module; 31. a driver; 4. a communication module; 41. a first communication unit; 42. a second communication unit; 5. a protective shell; 51. a sponge layer; 52. the adhesive layer is not dried.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses LED lighting control driving system. Referring to fig. 1, the driving system provided in the embodiment of the present application is mainly in signal connection with an LED lamp 0, and is configured to control a switch of the LED lamp 0, where the main working condition is to sense a light state in a set environment, and when a light index is smaller than a set value, the LED lamp 0 is automatically turned on, and a user does not need to turn on the switch, so that sufficient light can be obtained, and the influence of a dark environment on the eyes of the user is reduced.

Wherein, the setting environment refers to a space or a room using the LED lamp 0; the ray index is simply the brightness of the ray within the setting environment; sufficient light refers to light which satisfies activities such as work, life, study and the like of people and is not easy to hurt eyes.

Referring to fig. 1 and 2, a driving system provided in the embodiment of the present application mainly includes a luminance obtaining module 1 for obtaining a luminance signal of light in a setting environment, a signal determining module 2 for determining whether the luminance signal meets an illumination requirement, an LED driving module 3 for driving an LED lamp 0 to be turned on, and a communication module 4 for enabling communication between the signal determining module 2 and the LED driving module 3.

The above modules are further described below.

Referring to fig. 1 and 2, the brightness obtaining module 1 mainly includes a photosensitive element 11, where the photosensitive element 11 is a device capable of obtaining and outputting a brightness signal of light in a set environment. In the embodiment of the present application, the photosensitive member 11 may be configured as a photosensitive resistor RL or a phototriode VT, the cost of the photosensitive resistor RL is lower, but the output signal of the photosensitive resistor RL is smaller; the phototriode VT can amplify and output the signal, but the cost is high. The output signals of the photoresistor RL and the phototriode VT are voltage signals.

In the implementation of the present application, the photo resistor RL is taken as an example for detailed description.

In order to more accurately determine the light state in the setting environment, the embodiment of the present application is configured with a plurality of photo resistors RL, and the photo resistors RL can be disposed at different photosensitive positions according to the requirements of the user. Each photoresistor RL is in signal connection with a signal judgment module 2, and whether the light sensed by the photoresistor RL meets the light requirement of the area where the photoresistor RL is located or not is judged respectively.

The signal judging module 2 comprises a first comparator U1, an inverting output terminal of the first comparator U1 is in signal connection with the photoresistor RL for obtaining an output signal of the photoresistor RL, and a non-inverting output terminal of the first comparator U1 inputs a first reference signal Vref, wherein the first reference signal Vref is a voltage signal. The operator may also proportionally amplify the output signal of the photo resistor RL according to actual requirements, so that the first comparator U1 compares the output signal of the photo resistor RL with the first reference signal Vref and outputs a judgment result signal. The first reference signals Vref at the positive phase input ends of the first comparators in different areas are set to different values to meet the judgment of light requirements in different areas.

Referring to fig. 2 and 3, since the photo resistors RL are configured with a plurality of photo resistors RL, but the light brightness requirements of different areas are different, it is usually necessary to configure one first comparator U1 for each photo resistor RL. In order to facilitate the user to carry out the dismouting operation, the photoresistor and the integrated setting of first comparator U1, and set up in a protective housing 5, protective housing 5 swing joint is on the wall in the settlement environment. The protective shell 5 can be connected with the wall through the sponge layer 51 and the adhesive sticker layer 52.

As the light becomes darker, the output signal of the photo resistor RL becomes smaller, and when the output signal of the photo resistor RL is smaller than the corresponding first reference value Vref, the output signal of the first comparator U1 becomes a high level signal.

Referring to fig. 1 and 2, the LED driving module 3 mainly includes an adder U2, a second comparator U3, and a driver 31.

For the purpose of performing statistical judgment on the output signals of the plurality of first comparators U1, in the embodiment of the present application, one or more adders U2 may be provided according to practical situations, which will be described in detail below.

When only one adder U2 is provided, the output terminals of the comparators U1 are respectively connected to one of the two input terminals of the adder U2 via a resistor signal.

When the adder U2 is configured in multiple numbers, every two first comparators U1 are respectively connected to an adder U2, and the output end of every two adders U2 is connected to the input end of an adder U2 until only one output signal is provided.

The output terminal of the adder U2 is connected to the non-inverting input terminal of the second comparator U3, and the inverting input terminal of the second comparator U3 inputs the second reference value Nref. Since the adder U2 outputs a value, the second comparator U3 employs a value comparator, and the second reference value Nref is set to a value, so that the second comparator U3 outputs a comparison result signal.

The embodiment of the application is provided with a DMX host and a slave which can be started by the LED lamp 0, or a driving circuit and the like. The input terminal of the driver 31 is in signal connection with the output terminal of the second comparator U3, and receives and responds to the comparison result signal to output a control signal to the LED lamp 0.

The communication module 4 mainly includes a first communication unit 41 and a second communication unit 42, in the embodiment of the present application, the first communication unit 41 is disposed in the signal determining module 2, and the first communication unit 41 is in signal connection with the first comparator U1. In the embodiment of the present application, the first communication unit 41 and the second communication unit 42 may be configured as communication components such as a bluetooth module that can implement signal transmission.

The second communication unit 42 is disposed in the LED driving module 3, is in signal connection with the communication module 4 and the adder U2, and is configured to receive the determination result signal sent by the first communication unit 41 and transmit the determination result signal to the adder U2, so as to achieve the purpose that the adder U2 receives the output signals of the plurality of first comparators U1.

The implementation principle of the LED illumination control driving system in the embodiment of the application is as follows: the user installs the protective shell 5 to the area needing to detect light, then the photoresistor RL obtains the light state of the area and outputs a signal to the first comparator U1; the plurality of first comparators U1 output the judgment result signal, and the first communication unit 41 and the second communication unit 42 achieve the purpose of signal transmission; then, the adder U2 calculates the output results of the first comparators U1, and the second comparator U3 determines whether the LED lamp 0 needs to be turned on in the single sign setting environment to meet the requirement of sufficient light, and if so, the driver 31 drives the LED lamp 0 to be turned on.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

LED lighting control drive system, characterized in that, with LED lamps and lanterns (0) signal connection, include:

the brightness acquisition module (1) comprises a photosensitive piece (11) and is used for acquiring and outputting a brightness signal of light rays in a set environment;

the signal judgment module (2) comprises a first comparator U1 and the brightness acquisition module (1) signal, and is used for receiving the brightness signal, judging whether the brightness signal meets the illumination requirement or not, and outputting a judgment result signal;

and the LED driving module (3) comprises a driver (31) and a signal judging module (2), receives and responds to the judging result signal, and outputs a control signal to the LED lamp (0).
2. The LED lighting control driving system according to claim 1, further comprising:

a communication module (4) comprising:

a first communication unit (41) disposed in the signal judgment module (2), connected to the first comparator U1 for sending the judgment result signal;

and the second communication unit (42) is configured in the LED driving module (3), is in signal connection with the communication module (4) and the LED driving module (3), and is used for receiving the judgment result signal sent by the first communication unit (41) and transmitting the judgment result signal to the LED driving module (3).
3. The LED lighting control drive system of claim 1, wherein the light-sensing member (11) comprises a light-sensing resistor RL or a phototransistor VT.
4. The LED illumination control driving system according to claim 1, wherein a plurality of the photosensitive elements (11) are provided, each of the photosensitive elements (11) is connected to a first comparator U1, an output terminal of the photosensitive element (11) is connected to an inverting input terminal of the first comparator U1, and a non-inverting output terminal of the first comparator U1 is connected to a first reference signal Vref.
5. The LED lighting control driving system according to claim 4, wherein the output terminals of the first comparators U1 are all signal-connected with an adder U2, the output terminal of the adder U2 is signal-connected with the non-inverting input terminal of a second comparator U3, and the inverting input terminal of the second comparator U3 is signal-connected with a second reference signal Nref.
6. The LED lighting control driving system according to claim 5, wherein the adder U2 is configured as one, and the output terminals of the first comparators U1 are signal-connected to the two input terminals of the adder U2 through a resistor.
7. The LED lighting control driving system according to claim 5, wherein the adder U2 is configured to be plural, each two of the first comparators U1 are respectively connected with the adder U2 through signals, and each two of the output ends of the adder U2 are connected with the adder U2 through signals.
8. The LED lighting control driving system according to claim 1, wherein the light-sensing member (11) and the first comparator U1 are integrally disposed and disposed in a protective housing (5), and the protective housing (5) is movably connected to a wall in the setting environment.