CN210807741U

CN210807741U - PIR light sense dimming and color mixing LED lamp control system and lamp

Info

Publication number: CN210807741U
Application number: CN201921849365.6U
Authority: CN
Inventors: 吴社彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-06-19
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a PIR light sense mixing of colors LED lamp control system that adjusts luminance, include: the LED lamp comprises at least two LED lamp groups, a dimmable linear constant current module, an alternating current input rectification module, a change-over switch, a PIR light sensation module and a dimmer; the PIR light sensing module senses that the ambient brightness is high or senses that the ambient brightness is low but infrared rays of a human body are not sensed, high level is output, and the LED lamp set does not light; when the sensing environment brightness is low and the human infrared ray is sensed, the low level is output, the LED lamp bank is lighted, the illumination is realized, meanwhile, the brightness of the LED lamp bank can be controlled through the dimmer, and the color temperature is adjusted through the communication of the change-over switch and different LED lamp banks. The LED lamp has the advantages that the LED lamp is not lighted when light is bright, the human body is sensed to be lighted when light is dark, meanwhile, the brightness and the color temperature of the LED lamp are adjusted according to requirements, fewer electronic devices are adopted, automatic production can be achieved, the cost is low, the performance is reliable, and the requirements of different scenes are met.

Description

PIR light sense dimming and color mixing LED lamp control system and lamp

Technical Field

The utility model relates to a lamps and lanterns lighting technology field especially relates to a PIR light sense is adjusted luminance and is mixed colours LED lamp control system and lamps and lanterns.

Background

Because the LED has characteristics of high luminous efficiency, long life, and the like, LED lamps are replacing traditional incandescent lamps and energy saving lamps in large quantities. With the development of society and the improvement of living standard of people, people pursue functional diversification to lamps, most of special occasions (such as parking lots, corridors and elevators) adopt voice-controlled lighting LED lamps, the LED lamps can be turned on when receiving sound in the daytime and at night, the effects of saving electricity and energy cannot be well achieved, meanwhile, the voice-controlled lighting lamps need a person to emit large sound to turn on the lamps, and the voice-controlled lighting lamps are not suitable for places with noisy environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a PIR light sense is adjusted luminance and is mixed colours LED lamp control system and lamps and lanterns to solve one or more technical problem that exist among the prior art, provide a profitable selection or creating the condition at least.

The utility model provides a solution of its technical problem is: a PIR light sense is adjusted luminance and is mixed colours LED lamp control system includes: the LED lamp comprises at least two LED lamp groups, a dimmable linear constant current module, an alternating current input rectification module, a change-over switch, a PIR light sensation module and a dimmer; the LED lamp groups have different color temperatures; the adjustable linear constant current module is used for outputting a driving current to the LED lamp group; the alternating current input rectification module is used for providing electric energy for the dimmable linear constant current module; the change-over switch is used for switching the electric connection between each LED lamp group and the alternating current input rectification module; the PIR light sensation module outputs a high level or a low level according to the ambient brightness and the human infrared ray and is used for controlling the output current of the adjustable light linear constant current module; the dimmer is connected with the input end of the alternating current input rectifying module and is used for adjusting the input voltage of the input end of the alternating current input rectifying module.

When the PIR light sensing module senses that the ambient brightness is high or senses that the ambient brightness is low but infrared rays of a human body are not sensed, a high level is output to the light-adjustable linear constant current module, the light-adjustable linear constant current module does not output current, and the LED lamp set does not light; when the induction environment is low in brightness and senses infrared rays of a human body, the low level is output to the dimmable linear constant current module, the output current of the dimmable linear constant current module is output, the LED lamp bank is lightened, illumination is realized, meanwhile, the brightness of the LED lamp bank is controlled by the input voltage of the input end of the alternating current input rectification module controlled by the dimmer, and the color temperature is adjusted by the communication of the change-over switch and different LED lamp banks. The LED lamp has the advantages that the lamp is not turned on when the light is bright, the human body is sensed to be turned on when the light is dark, and meanwhile the brightness and the color temperature of the LED lamp are adjusted according to requirements.

As a further improvement of the above technical solution, the ac input rectification module includes a rectification circuit and a trimming resistor, and the trimming resistor is connected in parallel with an ac input end of the rectification circuit. The rectifying circuit is used for providing electric energy for the adjustable linear constant current module, and the trimming resistor can play a role in protecting the rectifying circuit.

As a further improvement of the above technical solution, the dimmer is a thyristor dimmer. The silicon controlled rectifier dimmer dims the LED lamp bank, and has higher efficiency.

As a further improvement of the above technical solution, the change-over switch is a ship switch. The switch is flexible and convenient to switch.

As a further improvement of the technical scheme, each LED lamp group is obtained by connecting a plurality of LED lamp beads in series. The brightness of the LED lamp bank can be enhanced by connecting the LED lamp beads in series.

As a further improvement of the technical scheme, the number of the LED lamp groups is two, namely a first LED lamp group and a second LED lamp group, the color temperature of the first LED lamp group is 2200K-3500K, and the color temperature of the second LED lamp group is 5500K-6500K. The warm color temperature or the cold color temperature can be obtained by connecting different LED lamp sets, and the requirements of different scenes are met.

As a further improvement of the above technical solution, the ac input rectification module, the dimmable linear constant current module, the switch and the LED lamp set are integrated on the same circuit substrate. Automatic production can be realized, and materials and labor cost are saved.

A lamp comprises a lamp body and further comprises a PIR light sensation dimming and color mixing LED lamp control system installed in the lamp body. The LED lamp has the advantages of achieving the lighting and the extinguishing of the LED lamp, color mixing and brightness adjustment, few adopted electronic devices, low cost and reliable performance.

The utility model has the advantages that: the utility model discloses a PIR light sense module response ambient brightness height, or when sensing ambient brightness low but not sensing human infrared ray, output high level to can adjust luminance linear constant current module, can adjust luminance linear constant current module not output current, LED banks do not light; when the induction environment is low in brightness and senses infrared rays of a human body, the low level is output to the dimmable linear constant current module, the output current of the dimmable linear constant current module is output, the LED lamp bank is lightened, illumination is realized, meanwhile, the brightness of the LED lamp bank is controlled by the input voltage of the input end of the alternating current input rectification module controlled by the dimmer, and the color temperature is adjusted by the communication of the change-over switch and different LED lamp banks. The LED lamp has the advantages that the lamp is not turned on when the light is bright, the human body is sensed to be turned on when the light is dark, and meanwhile the brightness and the color temperature of the LED lamp are adjusted according to requirements.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a circuit module of a PIR light-sensing dimming color-mixing LED lamp control system provided by the present invention;

FIG. 2 is a structural diagram of an LED lamp of a PIR light-sensing dimming and color-mixing LED lamp control system provided by the utility model;

FIG. 3 is a schematic circuit diagram of a control system of a PIR light-sensing dimming and color-mixing LED lamp provided by the utility model;

the coordinate arrows in fig. 3 indicate up, down, left, and right, respectively.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, 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 invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Embodiment 1, referring to fig. 1 and fig. 2, this embodiment is described by taking an example that a PIR light-sensing dimming and color-adjusting LED lamp control system is installed on a lamp. The method specifically comprises the following steps: a luminaire comprising a luminaire body, the luminaire body comprising: the lamp shade 100, the lamp body 105 and the connecting part 106, wherein the connecting part 106 is provided with threads. The lamp body 105 is internally mounted with: dimmer 103 and circuit board 101, wherein, circuit board 101 has welded thereto: the LED lamp comprises a dimmable linear constant current module 108, a plurality of LED lamp groups, a selector switch 104 and an alternating current input rectification module 107; the PIR light sensing module 102 is mounted on the lamp housing 100.

The PIR light sensing module 102 is an existing module, and functions as: when the PIR light sensing module 102 senses that the ambient brightness is high, the PIR light sensing module 102 outputs a high level; when the PIR light sensing module 102 senses the ambient brightness and senses the infrared ray of the human body, the PIR light sensing module 102 outputs a low level. Wherein, the judgment of the high and low of the ambient brightness can be freely adjusted according to the requirements of users.

The dimmable linear constant current module 108 includes: the constant current circuit comprises a linear constant current chip U1, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4 and a first capacitor C1.

The dimmable linear constant current module 108 is respectively connected with the alternating current input rectifying module 107, the selector switch 104, the PIR light sensation module 102 and the dimmer 103, and the selector switch 104 is connected with the LED lamp bank.

Each LED lamp group is obtained by connecting a plurality of LED lamp beads in series, and the brightness of the LED lamp group can be enhanced by the series connection of the LED lamp beads.

The ac input rectifying module 107 converts ac power into dc power to provide power for the dimmable linear constant current module 108. The ac input rectification module 107 includes: an ac circuit BD1 and a trimming resistor VR 1.

Referring to fig. 3, a first current input end AC terminal of the rectifier circuit BD1 is connected to an upper end of the trimming resistor VR1 and a right end of the safety resistor FR1, respectively, a second alternating current input end AC terminal of the rectifier circuit BD1 is connected to a lower end of the trimming resistor VR1 and a zero line terminal N, respectively, a negative polarity voltage output end of the rectifier circuit BD1 is connected to a ground terminal, a lower end of the second resistor R2, a lower end of the first capacitor C1 and a lower end of the fourth resistor R4, respectively; a positive polarity voltage output end of the rectifying circuit BD1 is connected with the upper end of the resistor R1 and the change-over switch 104 respectively; the left end of the safety resistor FR1 is connected to the right end of the dimmer 103, and the left end of the dimmer 103 is connected to the line terminal L.

The linear constant current chip U1 adopts a chip of SM2315E model, and a pin VIN of the linear constant current chip U1 is connected with the lower end of a first resistor R1; a pin OVP of the linear constant current chip U1 is respectively connected with the right end of the third resistor R3 and the upper end of the second resistor R2; a pin VDD of the linear constant current chip U1 is respectively connected with a power supply terminal VCC and the upper end of the first capacitor C1; a pin REXT of the linear constant current chip U1 is connected with the upper end of a fourth resistor R4; the pin OUT of the linear constant current chip U1 is connected with the anode of the LED lamp group, and the cathode of the LED lamp group is connected with the change-over switch 104. The PIR photo sensing module 102 is connected to a power supply terminal VCC, a ground terminal GND, and a left terminal of the third resistor R3, respectively.

When the LED lamp control system works, when the PIR light sensing module 102 senses high ambient brightness or low ambient brightness and does not sense infrared rays of a human body, the PIR light sensing module 102 outputs a high level to an OVP pin of the linear constant current chip U1, the linear constant current chip U1 is triggered to enter an OVP mode (overvoltage protection mode), the linear constant current chip U1 does not output current in the OVP mode, and the LED lamp is not bright; when the PIR light sensing module 102 senses that the ambient brightness is low and senses infrared rays of a human body, the PIR light sensing module 102 outputs a low level to the linear constant current chip U1, the linear constant current chip U1 outputs current to realize the lighting of the LED lamp, the connection between the changeover switch 104 and different LED lamp groups realizes the lighting of different color temperatures, meanwhile, the dimmer 103 controls the input voltage of the input end of the alternating current input rectifying module 107 to control the brightness of the LED lamp groups, and if the input voltage is large, the brightness of the LED lamp groups is brighter; when the PIR light sensing module 102 senses that the ambient brightness is dark and the infrared ray of the human body disappears gradually, the PIR light sensing module 102 has a time delay function, and can continuously output a low level within a certain time to enable the LED light bank to be lighted, when the PIR light sensing module 102 continuously senses that the ambient brightness is low and the infrared ray of the human body is not sensed, the high level is output to the linear constant current chip U1, the linear constant current chip U1 does not output current, and the light is not lighted. The LED lamp has the advantages that the lamp is not turned on when the light is bright, the human body is sensed to be turned on when the light is dark, and meanwhile the brightness and the color temperature of the LED lamp are adjusted according to requirements. The adopted electronic devices are few, automatic production can be realized, the cost is low, the performance is reliable, and the requirements of different scenes are met.

Specifically, in a place where the LED lamp is arranged, when light is bright, a human body approaches, and the LED lamp is not bright; when light is dark, the PIR light sense module 102 senses light is dark, when a human body is close to the PIR light sense module 102 senses infrared rays of the human body, the LED lamp is bright, and after the human body is far away from the LED lamp, the LED lamp still keeps bright for a period of time, so that illumination is ensured. When the weather is hot or in a place with a spacious environment, the color temperature of the LED lamp can be adjusted, the color is adjusted to be cold, the mood of people can be relieved, and meanwhile, the brightness of the LED lamp can be increased, so that the illumination is facilitated; when the weather is cold or in a place with a closed environment, the LED lamp can be adjusted to be warm color temperature, a warmer feeling can be given to people, meanwhile, the brightness of the LED lamp can be adjusted to be low relatively, and the electric energy is saved while the lighting effect is achieved.

The LED lamp sets are a first LED lamp set and a second LED lamp set respectively, and the color temperature of the first LED lamp set is 2200K-3500K and is warm; the color temperature of the second LED lamp group is 5500K-6500K, and is a cold color temperature. The warm color temperature or the cold color temperature can be obtained by connecting different LED lamp sets, and the requirements of different scenes are met.

In some embodiments, dimmer 103 is a thyristor dimmer. The silicon controlled rectifier dimmer dims the LED lamp bank, and has higher efficiency.

In some embodiments, the diverter switch 104 is a rocker switch. The switch is flexible and convenient to switch.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a PIR light sense is adjusted luminance mixing of colors LED lamp control system which characterized in that: the method comprises the following steps:

the LED lamp comprises at least two LED lamp groups, wherein the LED lamp groups have different color temperatures;

the adjustable light linear constant current module is used for outputting driving current to the LED lamp group;

the alternating current input rectification module is used for providing electric energy for the dimmable linear constant current module;

the selector switch is used for switching the electrical connection between each LED lamp group and the alternating current input rectifying module;

the PIR light sensation module outputs a high level or a low level according to the ambient brightness and the human infrared ray and is used for controlling the output current of the adjustable light linear constant current module;

and the dimmer is connected with the input end of the alternating current input rectifying module and is used for regulating the input voltage of the input end of the alternating current input rectifying module.

2. The control system of the PIR light-sensing light-dimming and color-mixing LED lamp according to claim 1, characterized in that: the alternating current input rectification module comprises a rectification circuit and a trimming resistor, and the trimming resistor is connected with the alternating current input end of the rectification circuit in parallel.

3. The control system of the PIR light-sensing light-dimming and color-mixing LED lamp according to claim 1, characterized in that: the dimmer is a thyristor dimmer.

4. The control system of the PIR light-sensing light-dimming and color-mixing LED lamp according to claim 1, characterized in that: the change-over switch is a ship-shaped switch.

5. The control system of the PIR light-sensing light-dimming and color-mixing LED lamp according to claim 1, characterized in that: each LED lamp group is obtained by connecting a plurality of LED lamp beads in series.

6. The control system of the PIR light-sensing light-dimming and color-mixing LED lamp according to claim 1, characterized in that: the LED banks have two, are first LED banks and second LED banks respectively, the colour temperature of first LED banks is 2200K-3500K, the colour temperature of second LED banks is 5500K-6500K.

7. The control system of the PIR light-sensing light-dimming and color-mixing LED lamp according to claim 1, characterized in that: the alternating current input rectification module, the dimmable linear constant current module, the change-over switch and the LED lamp set are integrated on the same circuit substrate.

8. A lamp comprises a lamp body, and is characterized in that: a control system of a PIR light-sensing, dimming and color-mixing LED lamp comprising any one of claims 1-7 is installed in the lamp body.