CN208581389U - Internet of Things intelligent light control system - Google Patents
Internet of Things intelligent light control system Download PDFInfo
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- CN208581389U CN208581389U CN201821224874.5U CN201821224874U CN208581389U CN 208581389 U CN208581389 U CN 208581389U CN 201821224874 U CN201821224874 U CN 201821224874U CN 208581389 U CN208581389 U CN 208581389U
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses a kind of Internet of Things intelligent light control systems, including single-chip microcontroller, intensity of illumination sensor, number detection module, key module, touch screen, clock module, memory module, alarm module and light drive module, intensity of illumination sensor, number detection module, key module, touch screen, clock module, memory module, alarm module and light drive module are connect with single-chip microcontroller；Light drive module includes voltage input end, voltage output end, the first triode, first resistor, first diode, the second diode, second resistance, adjustable precision shunt regulator, the second triode, 3rd resistor, first capacitor, the 7th resistance, the second capacitor, DC/DC conversion chip, the 4th resistance, the 5th resistance and the 6th resistance.Implement the utility model Internet of Things intelligent light control system, have the advantages that circuit structure is relatively simple, cost is relatively low, maintain easily, the safety and reliability of circuit it is higher.
Description
Technical field
The utility model relates to signal light control field, in particular to a kind of Internet of Things intelligent light control system.
Background technique
Currently, the lighting apparatus in some classroom realizes intelligence, it can be to avoid power wastage.The prior art
In also disclose pedestrian in classroom perceived by the way of infrared sensor, thus the opening and closing of the control light of intelligence.
Therefore, if in classroom someone and be unsatisfactory for read light when, light is switched on；In order to avoid power wastage, existing lamp
Optimizing Control System can be according to the intensity of the illumination inside and outside the quantity for the people for entering classroom, schedule of classes and times and classroom, in classroom
Lighting device unlatching realize intelligentized control method reduce power wastage under the premise of guaranteeing lighting requirement.Traditional light
The component that the internal drive circuits of control system use is more, and wiring is complicated, is not easy to safeguard, and hardware cost is higher.Separately
Outside, the internal drive circuits of traditional lamp light control system lack corresponding circuit protection function, such as: current-limiting protection function is made
It is poor at the safety and reliability of circuit.
Utility model content
The technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, provide a kind of circuit knot
Structure is relatively simple, cost is relatively low, maintains easily, the safety and reliability of circuit higher Internet of Things lamps intelligent control system
System.
The technical scheme adopted by the utility model to solve the technical problem is as follows: constructing a kind of Internet of Things lamps intelligent control
System, including single-chip microcontroller, intensity of illumination sensor, number detection module, key module, touch screen, clock module, storage mould
Block, alarm module and light drive module, the intensity of illumination sensor, number detection module, key module, touch screen, when
Clock module, memory module, alarm module and light drive module are connect with the single-chip microcontroller；
The light drive module includes voltage input end, voltage output end, the first triode, first resistor, the one or two
Pole pipe, the second diode, second resistance, adjustable precision shunt regulator, the second triode, 3rd resistor, first capacitor, the 7th
Resistance, the second capacitor, DC/DC conversion chip, the 4th resistance, the 5th resistance and the 6th resistance, the current collection of first triode
Pole and one end of first resistor are connect with the voltage input end, and the base stage of first triode is electric with described first respectively
The other end of resistance is connected with the cathode of adjustable precision shunt regulator, the plus earth of the adjustable precision shunt regulator, institute
State the emitter of the first triode one end with the anode of second diode, one end of second resistance and the second capacitor respectively
Connection, the cathode of second diode are connect with the reference pole of the adjustable precision shunt regulator, the second resistance
Other end ground connection, the other end ground connection of second capacitor；
The collector of second triode respectively with the first pin of the DC/DC conversion chip, the 4th resistance one
End connection, one end connection of the 7th pin and the 6th resistance of the DC/DC conversion chip, the other end point of the 6th resistance
It is not connect with the 6th pin of one end of second capacitor and DC/DC conversion chip, the emitter point of second triode
It is not connect with the cathode of one end of the 7th resistance and first diode, the plus earth of the first diode, described
The other end of seven resistance connects with the 5th pin of the voltage output end, one end of the 5th resistance and DC/DC conversion chip respectively
Connect, the other end of the 5th resistance ground connection, the base stage of second triode respectively with one end of the 3rd resistor and DC/
The second pin of DC conversion chip connects, and one end of the first capacitor is connect with the third pin of the DC/DC conversion chip,
4th pin of the other end of the 3rd resistor, the other end of first capacitor and DC/DC conversion chip is grounded, and described second
The model S-272T of diode, the resistance value of the 7th resistance are 37k Ω.
In Internet of Things intelligent light control system described in the utility model, the light drive module further includes third
Capacitor, one end of the third capacitor are connect with the base stage of second triode, the other end of the third capacitor with it is described
The second pin of DC/DC conversion chip connects, and the capacitance of the third capacitor is 390pF.
In Internet of Things intelligent light control system described in the utility model, the light drive module further includes third
Diode, the anode of the third diode are connect with the emitter of first triode, the cathode of the third diode
It is connect with one end of second capacitor, the model S-701T of the third diode.
In Internet of Things intelligent light control system described in the utility model, the light drive module further includes the 8th
One end of resistance, the 8th resistance is connect with the emitter of second triode, the other end of the 8th resistance and institute
One end connection of the 7th resistance is stated, the resistance value of the 8th resistance is 38k Ω.
In Internet of Things intelligent light control system described in the utility model, first triode and the second triode
It is NPN type triode.
The Internet of Things intelligent light control system for implementing the utility model has the advantages that due to being equipped with monolithic
Machine, intensity of illumination sensor, number detection module, key module, touch screen, clock module, memory module, alarm module and lamp
Optical drive module, light drive module include voltage input end, voltage output end, the first triode, first resistor, the one or two pole
Pipe, the second diode, second resistance, adjustable precision shunt regulator, the second triode, 3rd resistor, first capacitor, the 7th electricity
Resistance, the second capacitor, DC/DC conversion chip, the 4th resistance, the 5th resistance and the 6th resistance, the light drive module is relative to biography
It unites the internal drive circuits of lamp light control system, the component used is less, in this way can be with due to saving some components
Hardware cost is reduced, in addition, the second diode and the 7th resistance are used to carry out current-limiting protection, therefore circuit structure is more simple
It is single, cost is relatively low, maintain easily, the safety and reliability of circuit is higher.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram in the utility model Internet of Things intelligent light control system one embodiment；
Fig. 2 is the circuit diagram of light drive module in the embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the utility model Internet of Things intelligent light control system embodiment, Internet of Things intelligent light control system
Structural schematic diagram is as shown in Figure 1.In Fig. 1, which includes single-chip microcontroller 1, intensity of illumination sensor
2, number detection module 3, key module 4, touch screen 5, clock module 6, memory module 7, alarm module 8 and light drive module
9, wherein intensity of illumination sensor 2, number detection module 3, key module 4, touch screen 5, clock module 6, memory module 7, report
Alert module 8 and light drive module 9 are connect with single-chip microcontroller 1.Schedule of classes and times that single-chip microcontroller 1 is stored according to memory module 7,
Into the number in classroom and the intensity of illumination signal of indoor and outdoors, with automation controlled illuminating apparatus (for example, fluorescent lamp or
LED open and close).
Specifically, the model STC89C52 that single-chip microcontroller 1 uses, is used for control store instruction and program.Intensity of illumination
Sensor 2 is for acquiring intensity of illumination signal and sending single-chip microcontroller 1 to.Number detection module 3 includes being mounted on classroom doorway
Two pyroelectric infrared sensors, i.e., for the first pyroelectric infrared sensor for detecting at a distance with for detecting at a distance
Second pyroelectric infrared sensor.The number detection module 3 is passed by the first pyroelectric infrared sensor and the second rpyroelectric infrared
Sensor composition, by the first pyroelectric infrared sensor of human body continuous trigger and the second pyroelectric infrared sensor, with count into
Enter the number in classroom.When someone enters classroom, the infrared ray that human body is issued successively triggers the first pyroelectric infrared sensor
With the second pyroelectric infrared sensor, so that two continuous trigger signals are regarded as a people into classroom, and will be upper
It states signal and is sent to single-chip microcontroller 1, to carry out accurate statistics to the number for entering classroom.
Subtract key, determination key and manual mode when plus key, school when the key module 4 includes system start key, set key, school
Key.By the way that system start key is connected, entire Internet of Things intelligent light control system can be made to power on.Set key adds when being used for school
Subtract key and determination key when key, school, the different time sections lighted to the light in classroom are configured.When the indoor light of religion is enough
When bright, because not needing to open light or draw the curtain together, when using not needing to open light when projector again, hand can be passed through
Entire Internet of Things intelligent light control system is switched to manual mode by dynamic mode key, with the unlatching to indoor lighting device is taught
Or it closes and is manually controlled.
Touch screen 5 is used to show the system informations such as date, time, schedule of classes and times set in classroom, with
It is configured and shows by key module 4 convenient for operator.Memory module 7 is used to store the schedule of classes and times in classroom, to prevent
Only when Internet of Things intelligent light control system accident power down operated person the data of pre-set schedule of classes and times lose
It loses.Alarm module 8 is for issuing alarm signal when non-class period one skilled in the art enters classroom.The utility model can be according to entrance
The intensity of illumination inside and outside the quantity of the people in classroom, schedule of classes and times and classroom realizes the unlatching for teaching indoor lighting device
Intelligentized control method.
Fig. 2 is the circuit diagram of light drive module in the present embodiment, and in Fig. 2, which includes voltage
Input terminal Vin, voltage output end Vo, the first triode Q1, first resistor R1, first diode D1, the second diode D2, second
Resistance R2, adjustable precision shunt regulator U1, the second triode Q2,3rd resistor R3, first capacitor C1, the 7th resistance R7,
Two capacitor C2, DC/DC conversion chip U2, the 4th resistance R4, the 5th resistance R5 and the 6th resistance R6, wherein the first triode Q1
Collector and one end of first resistor R1 connect with voltage input end Vin, the base stage of the first triode Q1 is respectively with first
The other end of resistance R1 is connected with the cathode of adjustable precision shunt regulator U1, and the anode of adjustable precision shunt regulator U1 connects
Ground, the emitter of the first triode Q1 respectively with the anode of the second diode D2, one end of second resistance R2 and the second capacitor C2
One end connection, the cathode of the second diode D2 connect with the reference pole of adjustable precision shunt regulator U1, second resistance R2's
Other end ground connection, the other end ground connection of the second capacitor C2.
The collector of second triode Q2 one end with the first pin of DC/DC conversion chip U2, the 4th resistance R4 respectively
One end connection of connection, the 7th pin of DC/DC conversion chip U2 and the 6th resistance R6, the other end of the 6th resistance R6 respectively with
One end of second capacitor C2 is connected with the 6th pin of DC/DC conversion chip U2, and the emitter of the second triode Q2 is respectively with
One end of seven resistance R7 is connected with the cathode of first diode D1, the plus earth of first diode D1, and the 7th resistance R7's is another
One end is connect with the 5th pin of voltage output end Vo, one end of the 5th resistance R5 and DC/DC conversion chip U2 respectively, the 5th electricity
Hinder the other end ground connection of R5, the base stage of the second triode Q2 respectively with one end of 3rd resistor R3 and DC/DC conversion chip U2
Second pin connection, one end of first capacitor C1 are connect with the third pin of DC/DC conversion chip U2, and 3rd resistor R3's is another
4th pin at end, the other end of first capacitor C1 and DC/DC conversion chip U2 is grounded.
The internal drive circuits of the light drive module 9 relative to traditional lamp light control system, the component used compared with
Few, circuit structure is relatively simple, maintains easily, and due to saving some components, can reduce hardware cost in this way.In addition,
Second diode D2 is Current Limiting Diodes, and for carrying out current-limiting protection, the 7th resistance R7 is current-limiting resistance, for carrying out current limliting guarantor
Shield, therefore the safety and reliability of circuit is higher.It is noted that in the present embodiment, the model of the second diode D2
The resistance value of S-272T, the 7th resistance R7 are 37k Ω, and certainly, in practical applications, the second diode D2 can also use its alloytype
Number diode with similar functions, the resistance value of the 7th resistance R7 can adjust accordingly with concrete condition.
In the present embodiment, the model MC34063 that DC/DC conversion chip U2 is used, certainly, and in practical applications, DC/DC
Conversion chip U2 can also have the chip of similar functions using other models.The light drive module 9 can provide stable
5V voltage can be driven up to 100 ultra-bright LEDs simultaneously, therefore can be issued stable, reliable and sufficient light with effective guarantee
Line.
In the present embodiment, the first triode Q1 and the second triode Q2 are NPN type triode.Certainly exist, actually answering
In, the first triode Q1 and the second triode Q2 can also be all made of PNP type triode, but at this moment the structure of circuit also wants phase
It should change.
In the present embodiment, which further includes third capacitor C3, one end and the two or three pole of third capacitor C3
The base stage of pipe Q2 connects, and the other end of third capacitor C3 is connect with the second pin of DC/DC conversion chip U2.Third capacitor C3 is
Coupled capacitor, for preventing the interference between the second triode Q2 and DC/DC conversion chip U2, to further enhance the peace of circuit
Full property and reliability.It is noted that the capacitance of third capacitor C3 is that 390pF is actually being answered certainly in the present embodiment
In, the capacitance of third capacitor C3 can be adjusted accordingly with concrete condition.
In the present embodiment, which further includes third diode D3, the anode and first of third diode D3
The emitter of triode Q1 connects, and the cathode of third diode D3 is connect with one end of the second capacitor D2.Third diode D3 is
Current Limiting Diodes, for carrying out current-limiting protection, further to enhance the safety and reliability of circuit.It is noted that
In the present embodiment, the model S-701T of third diode D3, certainly, in practical applications, third diode D3 can also be adopted
There is the diode of similar functions with other models.
In the present embodiment, which further includes the 8th resistance R8, one end and the two or three pole of the 8th resistance R8
The emitter of pipe Q2 connects, and the other end of the 8th resistance R8 is connect with one end of the 7th resistance R7.8th resistance R8 is limited galvanic electricity
Resistance, for carrying out current-limiting protection, to further enhance current limitation effect.It is noted that in the present embodiment, the 8th resistance R8's
Resistance value is 38k Ω, it is worth mentioning at this point that, in the present embodiment, the resistance value of the 8th resistance R8 can be adjusted accordingly with concrete condition.
In short, in the present embodiment, the internal drive circuits of the light drive module 9 relative to traditional lamp light control system,
The component that it is used is less, and circuit structure is relatively simple, maintains easily, and due to saving some components, can drop in this way
Low hardware cost.In addition, in the light drive module 9 be equipped with Current Limiting Diodes and current-limiting resistance, therefore the safety of circuit and
Reliability is higher.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of Internet of Things intelligent light control system, which is characterized in that including single-chip microcontroller, intensity of illumination sensor, number inspection
Survey module, key module, touch screen, clock module, memory module, alarm module and light drive module, the intensity of illumination
Sensor, number detection module, key module, touch screen, clock module, memory module, alarm module and light drive module
It is connect with the single-chip microcontroller；
The light drive module include voltage input end, voltage output end, the first triode, first resistor, first diode,
Second diode, second resistance, adjustable precision shunt regulator, the second triode, 3rd resistor, first capacitor, the 7th resistance,
Second capacitor, DC/DC conversion chip, the 4th resistance, the 5th resistance and the 6th resistance, the collector of first triode and
One end of one resistance is connect with the voltage input end, and the base stage of first triode is another with the first resistor respectively
One end is connected with the cathode of adjustable precision shunt regulator, the plus earth of the adjustable precision shunt regulator, and described first
The emitter of triode is connect with one end of the anode of second diode, one end of second resistance and the second capacitor respectively,
The cathode of second diode is connect with the reference pole of the adjustable precision shunt regulator, the other end of the second resistance
Ground connection, the other end ground connection of second capacitor；
The collector of second triode connects with one end of the first pin of the DC/DC conversion chip, the 4th resistance respectively
Connect, one end connection of the 7th pin of the DC/DC conversion chip and the 6th resistance, the other end of the 6th resistance respectively with
One end of second capacitor is connected with the 6th pin of DC/DC conversion chip, the emitter of second triode respectively with
One end of 7th resistance is connected with the cathode of first diode, the plus earth of the first diode, the 7th electricity
The other end of resistance is connect with the 5th pin of the voltage output end, one end of the 5th resistance and DC/DC conversion chip respectively, institute
The other end ground connection of the 5th resistance is stated, the base stage of second triode turns with one end of the 3rd resistor and DC/DC respectively
The second pin connection of chip is changed, one end of the first capacitor is connect with the third pin of the DC/DC conversion chip, described
4th pin of the other end of 3rd resistor, the other end of first capacitor and DC/DC conversion chip is grounded, the two or two pole
The model S-272T of pipe, the resistance value of the 7th resistance are 37k Ω.
2. Internet of Things intelligent light control system according to claim 1, which is characterized in that the light drive module is also
Including third capacitor, one end of the third capacitor is connect with the base stage of second triode, the third capacitor it is another
End is connect with the second pin of the DC/DC conversion chip, and the capacitance of the third capacitor is 390pF.
3. Internet of Things intelligent light control system according to claim 2, which is characterized in that the light drive module is also
Including third diode, the anode of the third diode is connect with the emitter of first triode, the three or two pole
The cathode of pipe is connect with one end of second capacitor, the model S-701T of the third diode.
4. Internet of Things intelligent light control system according to claim 3, which is characterized in that the light drive module is also
Including the 8th resistance, one end of the 8th resistance is connect with the emitter of second triode, the 8th resistance it is another
One end is connect with one end of the 7th resistance, and the resistance value of the 8th resistance is 38k Ω.
5. Internet of Things intelligent light control system according to any one of claims 1 to 4, which is characterized in that described
One triode and the second triode are NPN type triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821224874.5U CN208581389U (en) | 2018-07-31 | 2018-07-31 | Internet of Things intelligent light control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821224874.5U CN208581389U (en) | 2018-07-31 | 2018-07-31 | Internet of Things intelligent light control system |
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| Publication Number | Publication Date |
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| CN208581389U true CN208581389U (en) | 2019-03-05 |
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| CN201821224874.5U Active CN208581389U (en) | 2018-07-31 | 2018-07-31 | Internet of Things intelligent light control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022041046A1 (en) * | 2020-08-26 | 2022-03-03 | 南京骞翮物联网科技有限公司 | Internet of things-based intelligent lighting control system and control method therefor |
-
2018
- 2018-07-31 CN CN201821224874.5U patent/CN208581389U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022041046A1 (en) * | 2020-08-26 | 2022-03-03 | 南京骞翮物联网科技有限公司 | Internet of things-based intelligent lighting control system and control method therefor |
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