CN209435494U - A kind of electricity-saving control system of LED drive power - Google Patents
A kind of electricity-saving control system of LED drive power Download PDFInfo
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- CN209435494U CN209435494U CN201821850984.2U CN201821850984U CN209435494U CN 209435494 U CN209435494 U CN 209435494U CN 201821850984 U CN201821850984 U CN 201821850984U CN 209435494 U CN209435494 U CN 209435494U
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- led
- mcu
- control circuit
- human body
- power
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The utility model provides a kind of electricity-saving control system of LED drive power, using the monitoring probe of efficient human body infrared inductive switch, realize to specific region personnel whether there is or not monitoring reach energy saving purpose and according to monitoring judging result switching working mode；Driving power working condition is controlled using the PWM that MCU is issued simultaneously, to control light intensity variation when LED light is opened, realizes the purpose of light modulation starting.
Description
Technical field
The utility model relates to photovoltaic arts, and in particular to a kind of electricity-saving control system of LED drive power.
Background technique
LED has many advantages, such as low-voltage driving, high photosynthetic efficiency, long service life as a kind of novel illumination light source, thus is shining
It is widely promoted and is used in bright field.For example, in occasions such as merchandise display counters, LED light bright lamplight and compared with
Low power consumption, it is all advantageous compared with other lighting means.
However, in practical applications, LED light still remains a large amount of wasting of resources phenomenon, such as joins in no customer
The period of sight, the light of LED are exactly a kind of loss.In addition, the very strong brightness of LED is on startup, discomfort all apparent to people
Sense.So, it is necessary to a kind of more intelligent, more humanized LED drive power meets the use need that people increasingly enhance
It asks, improves usage comfort.
Utility model content
The utility model aim is: the utility model uses the monitoring probe of efficient human body infrared inductive switch, realizes
To specific region personnel whether there is or not monitoring, and according to monitoring judging result switching working mode, reach energy saving purpose；It uses simultaneously
The PWM that MCU is issued controls driving power working condition, to control light intensity variation when LED light is opened, realizes light modulation starting
Purpose.
The technical solution of the utility model is: a kind of power-saving control method of LED drive power, the LED drive power packet
Human body infrared inductive switch, MCU, control circuit and driving circuit are included, the input terminal connection power supply of human body infrared inductive switch is defeated
Enter, output end is respectively connected to control circuit and the input terminal of MCU, and the output end of MCU is connected to the control terminal of control circuit, control
The output end of circuit processed is connected to the input terminal of driving circuit, output end of the output end of driving circuit as LED drive power
Connection load, comprising the following steps:
S1: after power supply electrifying, human body infrared inductive switch judge specified region whether someone；
S2: according to the judging result of S1, determining the control operation executed, specifically:
If it is judged that being someone, then upper electrical switch is opened, LED drive power starts to start, from MCU to control circuit
The PWM of 2KHz is sent, control circuit adjusts LED power and export electric current according to the duty ratio of the PWM；
If it is judged that being nobody, then turn off the power switch, LED drive power stops powering to LED light.
In one embodiment, the power input is specially alternating current.
In one embodiment, the control circuit adjusts LED power and exports electric current according to the duty ratio of PWM specifically:
When PWM duty cycle is 0%, output electric current is 0, and LED light is gone out entirely；When PWM duty cycle is 100%, LED light all light；With LED
Operating current change, the brightness of LED light can change within 0% ~ 100%.
It in one embodiment, service time and brightness change when LED light starts, can be right according to actual needs
MCU modifies to achieve the goal
In one embodiment, change specified monitoring section by the adjustment of the infrared probe to human body infrared inductive switch
Domain.
The utility model also provides a kind of electricity-saving control system of LED drive power, which includes that human body is red
The input terminal of outer inductive switch, MCU, control circuit and driving circuit, human body infrared inductive switch connects power input, output end
It is respectively connected to control circuit and the input terminal of MCU, the output end of MCU is connected to the control terminal of control circuit, control circuit
Output end is connected to the input terminal of driving circuit, and the output end of driving circuit connects load as the output end of LED drive power,
It comprises the following modules:
Human body infrared incudes judgment module, for after power supply electrifying, human body infrared inductive switch to judge that specified region is
No someone；
Execution module, for according to judging result, determining the control operation executed, specifically:
If it is judged that being someone, then upper electrical switch is opened, LED drive power starts to start, from MCU to control circuit
The PWM of 2KHz is sent, control circuit adjusts LED power and export electric current according to the duty ratio of the PWM；
If it is judged that being nobody, then turn off the power switch, LED drive power stops powering to LED light.
The utility model has the advantages that: the utility model uses the monitoring probe of efficient human body infrared inductive switch, real
Now to specific region personnel whether there is or not monitoring, and according to monitoring judging result switching working mode, reach energy saving purpose；Make simultaneously
Driving power working condition is controlled with the PWM that MCU is issued, to control light intensity variation when LED light is opened, realizes light modulation starting
Purpose.Therefore the utility model is both able to achieve light modulation starting, improves the usage comfort of customer；Also it is able to achieve to application environment
Monitoring, complete to specific region personnel whether there is or not judgement, realize the switching of application model, and then reach energy saving purpose.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and embodiments:
Fig. 1 is the structural schematic diagram of the utility model embodiment LED drive power；
Fig. 2 is the economize on electricity control flow chart of the utility model embodiment LED drive power.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
As shown in Figure 1, LED drive power includes human body infrared inductive switch, MCU, control circuit and driving circuit, human body
The input terminal of infrared induction switch connects power input, and output end is respectively connected to control circuit and the input terminal of MCU, MCU's
Output end is connected to the control terminal of control circuit, and the output end of control circuit is connected to the input terminal of driving circuit, driving circuit
Output end as LED drive power output end connect load, wherein the power input is specially alternating current.
In conjunction with Fig. 2, it is specifically described the LED drive power power-saving control method of the utility model.
S1: after power supply electrifying, human body infrared inductive switch judge specified region whether someone.
S2: according to the judging result of S1, determining the control operation executed, specifically: if it is judged that being someone, then beat
Upper electrical switch is opened, LED drive power starts to start, and the PWM of 2KHz is sent from MCU to control circuit, control circuit is according to
The duty ratio of PWM adjusts LED power and exports electric current；If it is judged that being nobody, then turn off the power switch, LED driving electricity
Source stops powering to LED light.Wherein, when PWM duty cycle is 0%, output electric current is 0, and LED light is gone out entirely；When PWM duty cycle is
When 100%, LED light all light；With the change of the operating current of LED, the brightness of LED light can change within 0% ~ 100%.
It, service time and brightness change when LED light starts, can be according to actual needs to MCU in the utility model
It modifies to achieve the goal；In addition, can also be changed by the adjustment of the infrared probe to human body infrared inductive switch specified
Monitor region.
The utility model also provides a kind of electricity-saving control system of LED drive power, which includes that human body is red
The input terminal of outer inductive switch, MCU, control circuit and driving circuit, human body infrared inductive switch connects power input, output end
It is respectively connected to control circuit and the input terminal of MCU, the output end of MCU is connected to the control terminal of control circuit, control circuit
Output end is connected to the input terminal of driving circuit, and the output end of driving circuit connects load as the output end of LED drive power,
It comprises the following modules:
Human body infrared incudes judgment module, for after power supply electrifying, human body infrared inductive switch to judge that specified region is
No someone；
Execution module, for according to judging result, determining the control operation executed, specifically:
If it is judged that being someone, then upper electrical switch is opened, LED drive power starts to start, from MCU to control circuit
The PWM of 2KHz is sent, control circuit adjusts LED power and export electric current according to the duty ratio of the PWM；
If it is judged that being nobody, then turn off the power switch, LED drive power stops powering to LED light.
The utility model can achieve the effect that: the utility model is visited using the monitoring of efficient human body infrared inductive switch
Head, realize to specific region personnel whether there is or not monitoring, and according to monitoring judging result switching working mode, reach energy saving purpose；
Driving power working condition is controlled using the PWM that MCU is issued simultaneously, to control light intensity variation when LED light is opened, realizes and adjusts
The purpose of photopolymerization initiation.Therefore, the utility model is both able to achieve light modulation starting, improves the usage comfort of customer；Also it is able to achieve pair
The monitoring of application environment, complete to specific region personnel whether there is or not judgement, realize the switching of application model, and then reach energy saving mesh
's.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
People can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.It is all
According to the modification that the Spirit Essence of the utility model main technical schemes is done, should all cover in the protection scope of the utility model
Within.
Claims (5)
1. a kind of electricity-saving control system of LED drive power, which includes human body infrared inductive switch, MCU, control
Circuit and driving circuit processed, the input terminal of human body infrared inductive switch connect power input, and output end is respectively connected to control electricity
The input terminal on road and MCU, the output end of MCU are connected to the control terminal of control circuit, and the output end of control circuit is connected to driving
The output end of the input terminal of circuit, driving circuit connects load as the output end of LED drive power, which is characterized in that including
With lower module:
Human body infrared incudes judgment module, for after power supply electrifying, human body infrared inductive switch to judge whether specified region has
People；
Execution module, for according to judging result, determining the control operation executed, specifically:
If it is judged that being someone, then upper electrical switch is opened, LED drive power starts to start, and is sent from MCU to control circuit
The PWM of 2KHz, control circuit adjust LED power and export electric current according to the duty ratio of the PWM；
If it is judged that being nobody, then turn off the power switch, LED drive power stops powering to LED light.
2. the system as claimed in claim 1, which is characterized in that the power input is specially alternating current.
3. the system as claimed in claim 1, which is characterized in that the control circuit adjusts LED electricity according to the duty ratio of PWM
Source exports electric current specifically:
When PWM duty cycle is 0%, output electric current is 0, and LED light is gone out entirely；
When PWM duty cycle is 100%, LED light all light；
With the change of the operating current of LED, the brightness of LED light can change within 0% ~ 100%.
4. the system as claimed in claim 1, which is characterized in that service time and brightness change when LED light starts, can
It is modified to MCU according to actual needs to achieve the goal.
5. the system as claimed in claim 1, which is characterized in that pass through the adjustment of the infrared probe to human body infrared inductive switch
To change specified monitoring region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821850984.2U CN209435494U (en) | 2018-11-12 | 2018-11-12 | A kind of electricity-saving control system of LED drive power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821850984.2U CN209435494U (en) | 2018-11-12 | 2018-11-12 | A kind of electricity-saving control system of LED drive power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209435494U true CN209435494U (en) | 2019-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821850984.2U Active CN209435494U (en) | 2018-11-12 | 2018-11-12 | A kind of electricity-saving control system of LED drive power |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109195275A (en) * | 2018-11-12 | 2019-01-11 | 苏州易德龙科技股份有限公司 | A kind of power-saving control method and system of LED drive power |
-
2018
- 2018-11-12 CN CN201821850984.2U patent/CN209435494U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109195275A (en) * | 2018-11-12 | 2019-01-11 | 苏州易德龙科技股份有限公司 | A kind of power-saving control method and system of LED drive power |
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