CN222089800U - Learning Ambient Light Monitoring Device - Google Patents
Learning Ambient Light Monitoring Device Download PDFInfo
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- CN222089800U CN222089800U CN202420694624.7U CN202420694624U CN222089800U CN 222089800 U CN222089800 U CN 222089800U CN 202420694624 U CN202420694624 U CN 202420694624U CN 222089800 U CN222089800 U CN 222089800U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 40
- 238000012544 monitoring process Methods 0.000 claims abstract description 24
- 239000003990 capacitor Substances 0.000 claims description 28
- 230000002411 adverse Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000004438 eyesight Effects 0.000 abstract description 6
- 230000036541 health Effects 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 241001465382 Physalis alkekengi Species 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- WYROLENTHWJFLR-ACLDMZEESA-N queuine Chemical compound C1=2C(=O)NC(N)=NC=2NC=C1CN[C@H]1C=C[C@H](O)[C@@H]1O WYROLENTHWJFLR-ACLDMZEESA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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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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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
学习环境光线监测装置，包括台灯、电源模块、蓄电池，其特征在于，还具有探测电路、光线监测电路、提示电路和控制电路；所述电源模块、蓄电池、探测电路、光线监测电路、提示电路和控制电路安装在台灯内并电性连接。本实用新型基于台灯本体，应用中，探测电路在学生位于台灯附近写作、阅读等时，能控制光线监测电路对光线强度进行检测，在现场光线低于一定时(比如灯具的调光开关调节输出的电压不高、灯具发光度较低，或者供电电压异常导致灯具发光度低)，能及时提示学生进行光线强度调节等，且在光线不足连续一定时间后能关断灯具的总电源，防止了光线过低学生写作对其视力健康带来的不利影响。综合上述，本新型具有好的应用前景。
A learning environment light monitoring device includes a desk lamp, a power module, and a battery, and is characterized in that it also has a detection circuit, a light monitoring circuit, a prompt circuit, and a control circuit; the power module, the battery, the detection circuit, the light monitoring circuit, the prompt circuit, and the control circuit are installed in the desk lamp and electrically connected. The utility model is based on the desk lamp body. In application, when the student is writing or reading near the desk lamp, the detection circuit can control the light monitoring circuit to detect the light intensity. When the light on site is lower than a certain level (for example, the output voltage of the dimming switch of the lamp is not high, the luminance of the lamp is low, or the power supply voltage is abnormal, resulting in low luminance of the lamp), the student can be prompted to adjust the light intensity in time, and the total power supply of the lamp can be turned off after the light is insufficient for a certain period of time, thereby preventing the adverse effects on the students' vision health caused by the low light when writing. In summary, the utility model has good application prospects.
Description
Technical Field
The utility model relates to the technical field of auxiliary equipment used for illuminating lamps, in particular to a learning environment light ray monitoring device.
Background
In the prior art, no light intensity monitoring equipment such as a desk lamp and a ceiling lamp is used for indoor illumination, so that students can write, read and the like under the condition of poor indoor light, and can not give a prompt when the light is lower than normal, so that vision can be reduced for a long time. In summary, it is necessary to provide a device that can monitor the ambient light of the writing and reading lamps for students and can give a prompt when the light is lower than normal.
Disclosure of utility model
In order to overcome the defect that in the prior art, a lamp such as a desk lamp does not have a light monitoring prompt function, and the light can bring adverse effects to the eyesight of students when the light is weak, the invention provides the study environment light monitoring device which can detect the light intensity of the field desk lamp and the like in real time under the combined action of related mechanisms, can prompt students in time when the luminosity of the lamp is lower than a normal value due to various reasons (such as low voltage of a dimming switch regulation output of the lamp, low luminosity of the lamp or low luminosity of the lamp caused by abnormal power supply voltage), and can turn off the total power supply of the lamp after the light is insufficient for a certain time, thereby preventing the students with too low light from writing, reading and the like to bring adverse effects to the eyesight health.
The technical scheme adopted by the novel solution to the technical problem is as follows:
The learning environment light monitoring device comprises a table lamp, a power module and a storage battery and is characterized by further comprising a detection circuit, a light monitoring circuit, a prompting circuit and a control circuit, wherein the power module, the storage battery, the detection circuit, the light monitoring circuit, the prompting circuit and the control circuit are arranged in the table lamp, a power output end of the power module is electrically connected with a power input end of the detection circuit, the light monitoring circuit, the prompting circuit, the control circuit and the storage battery, a signal output end of the detection circuit is electrically connected with a signal input end of the light monitoring circuit, a signal output end of the light detection circuit is electrically connected with a signal input end of the prompting circuit and a signal input end of the control circuit, and a signal output end of the control circuit is electrically connected with a power input end of the table lamp.
Further, the detection circuit comprises a resistor, a triode, a relay and a pyroelectric detection module which are electrically connected, wherein the positive power input end of the pyroelectric detection module is connected with the positive power input end of the relay and the control power input end, the power output end of the pyroelectric detection module is connected with one end of the resistor, the other end of the resistor is connected with the base electrode of the triode, the collector electrode of the triode is connected with the negative power input end of the relay, and the emitter electrode of the triode is connected with the negative power input end of the pyroelectric detection module.
Further, the light monitoring circuit comprises a photoresistor, a resistor, an operational amplifier and an adjustable resistor which are electrically connected, wherein one end of the adjustable resistor is connected with one end of the photoresistor and the in-phase input end of the operational amplifier, the inverting input end of the operational amplifier is connected with one end of the first resistor and one end of the second resistor, the other end of the first resistor is connected with the positive power input end of the operational amplifier, and the negative power input end of the operational amplifier is connected with the other end of the photoresistor.
Further, the prompting circuit comprises a resistor, a capacitor, a triode and a buzzer which are electrically connected, wherein one end of the first resistor is connected with one end of the second resistor and the positive electrode of the capacitor, the other end of the second resistor is connected with the base electrode of the triode, the collector electrode of the triode is connected with the negative power input end of the buzzer, and the emitter electrode of the triode is connected with the negative electrode of the capacitor.
Further, the control circuit comprises a resistor, a capacitor, a triode and a relay which are electrically connected, wherein one end of the first resistor is connected with one end of the second resistor and the positive electrode of the capacitor, the other end of the second resistor is connected with the base electrode of the triode, the collector electrode of the triode is connected with the power input end of the negative electrode of the relay, and the emitter electrode of the triode is connected with the negative electrode of the capacitor.
Compared with the prior art, the desk lamp has the beneficial effects that based on the desk lamp body, in application, the detection circuit can control the light monitoring circuit to detect the light intensity when a student is positioned near the desk lamp for writing, reading and the like, and can prompt the student to adjust the light intensity in time when the field light is lower than a certain time (for example, the voltage of the dimming switch of the lamp is low, the luminance of the lamp is low due to the abnormal power supply voltage, or the luminance of the lamp is low), and the total power supply of the lamp can be turned off after the light is insufficient for a certain time, so that adverse effects on vision health caused by the writing of the student with too low light are prevented. In summary, the novel plastic has good application prospect.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a circuit diagram of the present utility model.
Detailed Description
The learning environment light monitoring device shown in fig. 1 and 2 comprises a desk lamp body 1, a power module T1, a power switch S1, a detection circuit 2, a light monitoring circuit 3, a prompt circuit 4, a control circuit 5 and a storage battery G1, wherein the power switch S1, the power module T1, the detection circuit 2, the light monitoring circuit 3, the prompt circuit 4 and the control circuit 5 are arranged on a circuit board in the desk lamp body 1, and the storage battery G1 (12V and 5 Ah) is arranged on the circuit board.
As shown in fig. 1 and 2, the detection circuit comprises a resistor R1, a triode Q1, a relay K1 and a pyroelectric detection module T2 which are connected through wiring of a circuit board, wherein a positive power input terminal 1 pin of the pyroelectric detection module T2 is connected with a positive power input terminal and a control power input terminal of the relay K1, a power output terminal 3 pin of the pyroelectric detection module T2 is connected with one end of the resistor R1, the other end of the resistor R1 is connected with a base electrode of the triode Q1, a collector electrode of the triode Q1 is connected with a negative power input terminal of the relay K1, an emitter electrode of the triode Q1 is connected with a negative power input terminal of the pyroelectric detection module T2, and a detection head of the pyroelectric detection module T2 is positioned outside a first opening in the front middle part of a lamp housing of the desk lamp body 1. The light monitoring circuit comprises a photoresistor RL, resistors R2 and R3, an operational amplifier T3 and an adjustable resistor RP1 which are connected through wiring of a circuit board, wherein one end of the adjustable resistor RP1 is connected with one end of the photoresistor RL, the operational amplifier T3 is connected with a pin 3 of an in-phase input end, a pin 2 of an inverting input end of the operational amplifier T3 is connected with one end of the first resistor R2 and one end of the second resistor R3, the other end of the first resistor R2 is connected with a pin 7 of a positive power supply input end of the operational amplifier T3, a pin 4 of a negative power supply input end of the operational amplifier T3 is connected with the other end of the photoresistor RL, and a light receiving surface of the photoresistor RL is positioned outside a second opening in the middle of the front end of a shell of the desk lamp body 1. The prompting circuit comprises resistors R4 and R5, a capacitor C1, a triode Q2 and a buzzer B which are connected through wiring of a circuit board, wherein one end of the first resistor R4 is connected with one end of the second resistor R5 and the anode of the capacitor C1, the other end of the second resistor R5 is connected with the base electrode of the triode Q2, the collector electrode of the triode Q2 is connected with the cathode power input end of the buzzer B, and the emitter electrode of the triode Q2 is connected with the cathode of the capacitor C1. The control circuit comprises resistors R6 and R7, a capacitor C2, a triode Q and a relay K2 which are connected through wiring of a circuit board, wherein one end of the first resistor R6 is connected with one end of the second resistor R7 and the positive electrode of the capacitor C2, the other end of the second resistor R7 is connected with the base electrode of the triode Q, the collector electrode of the triode Q is connected with the negative power input end of the relay K2, and the emitter electrode of the triode Q is connected with the negative electrode of the capacitor C2. The power input ends 1 and 2 pins of the power module T1, the relay K2 of the control circuit and the 220V power line of the desk lamp are connected through wires, the power input ends 3 pins and 4 pins of the power output end of the power module T1 and the positive power input end of the relay K1 of the detection circuit are connected through wires, the emitting electrode of the triode Q1, the 7 pins and 4 pins of the power input end operational amplifier T3 of the light monitoring circuit, the power input end of the buzzer B and the emitting electrode of the prompting circuit, the positive power input end of the relay K2 of the control circuit, the negative electrode of the capacitor C2 and the two poles of the storage battery G1 are respectively connected through wires, the normally open contact end of the relay K1 of the signal output end of the detection circuit and the adjustable resistor RP1 of the signal input end of the light monitoring circuit are connected through wires, the pin 6 pins of the signal output end operational amplifier T3 of the light detection circuit and the signal input end resistor R4 of the prompting circuit are connected through wires, The other end of the signal input end resistor R6 of the control circuit is connected with the other end of the signal input end resistor R6 of the control circuit through wires, and the normally closed contact end of the relay K2 of the signal output end of the control circuit is connected with the power input end of the desk lamp M1 (1) through wires.
As shown in fig. 1 and 2, according to the utility model, based on the desk lamp body, after the main power switch of the desk lamp body M1 is turned on, a 220V ac power enters the power input end of the power module T1 (after the power module T1 is powered on, the 3, 4-pin output stable dc 12V power can enter the power input ends of the storage battery G1, the detection circuit 2, the light monitoring circuit 3, the prompting circuit 4 and the control circuit 5), and the power input end and the normally closed contact end are controlled by the relay K2 to enter the power input end of the bulb of the desk lamp body M1, so that the bulb of the desk lamp body M1 is electrified and luminous, and provides illumination for students to write, read, etc. When no person approaches the front of the desk lamp body M1, the 3 pins of the pyroelectric detection module T2 cannot output high-level signals, the relay K1 cannot be electrified and attracted, and the light monitoring circuit, the prompting circuit and the control circuit at the later stage cannot work electrically. When someone approaches before desk lamp body M1 (two meters within range), the 3 foot of pyroelectric detection module T2 can output high level signal and step down the current-limiting through resistance R1 and get into triode Q1 base, triode Q1 switches on the collecting electrode output low level and gets into relay K1 negative pole power input, relay K1 gets the electricity to pull in its control power input and normally open contact end and close, and then, 12V power gets into the other end of photo resistance RL. When the light emitted by the desk lamp body M1 is enough, the light intensity of the light receiving surface of the light sensitive resistor RL is relatively high, the resistance value is low, the voltage division between the light receiving surface and the adjustable resistor RP1 is small (for example, less than 6V), the voltage of the 3 pin of the operational amplifier T3 is lower than the voltage of the 2 pin (6V) of the operational amplifier T3 after the voltage division of the 12V power supply by the resistors R2 and R3, the 6 pin of the operational amplifier T3 outputs a low level, the other ends of the corresponding resistors R4 and R6 cannot input a high level, and the desk lamp body M1 normally gets electrically-lighted. When the light emitted by the desk lamp body M1 is insufficient, the light-receiving surface of the light-sensitive resistor RL has relatively low light-receiving intensity and high resistance, the voltage division between the light-sensitive resistor RL and the adjustable resistor RP1 is large (for example, greater than 6V), the voltage of 3 pins of the operational amplifier T3 is higher than the voltage of 2 pins of the operational amplifier T3 after the voltage division of 12V power supply through the resistors R2 and R3, the 6 pins of the operational amplifier T3 output a high level, and the other ends of the corresponding resistors R4 and R6 input a high level. In the prompting circuit, the high level output by the 6 pin of the operational amplifier T3 is reduced by a resistor R4 and limited to charge a capacitor C1, when the capacitor C1 is not fully charged in a certain time (for example, less than 8 seconds), a 12V power supply is reduced by the resistor R4 and the resistor R5 and limited to enter a base electrode of a triode Q2 to be lower than 0.7V, the triode Q2 is cut off, a buzzer B cannot generate electricity and sounds, after the capacitor C1 is fully charged in a certain time (for example, more than 8 seconds), the 12V power supply is reduced by the resistor R4 and the resistor R5 and limited to enter the base electrode of the triode Q2 to be higher than 0.7V, the triode Q2 is conducted to conduct a collector electrode to output a low level to enter a negative power supply input end of the buzzer B, the buzzer B can generate electricity and sound to prompt students that the loudness of light is lower, and measures are taken in time (for example, a dimming switch of a high desk lamp body M1 can generate enough light). The utility model delays for 8 seconds and the buzzer B is powered on to sound, so that unnecessary sound interference is brought to users (students and the like) by the sound production of the buzzer B (and 8 seconds also provides time for the users to adjust the dimming switch of the desk lamp body M1) is prevented at the moment that the desk lamp body is powered on and in the room with insufficient light.
In the control circuit shown in fig. 1 and 2, the high level output by the 6 pin of the operational amplifier T3 is reduced in voltage and limited to be charged into the capacitor C2 through the resistor R6, when the capacitor C2 is not fully charged in a certain time (for example, less than 15 seconds), the 12V power supply is reduced in voltage and limited to enter the triode Q base through the resistors R6 and R7, and is lower than 0.7V, the triode Q is cut off, the relay K2 cannot be electrified and closed, the bulb of the desk lamp body M1 continues to obtain electric luminescence, after a period of charging (for example, more than 15 seconds), when the capacitor C2 is fully charged, the 12V power supply is reduced in voltage and limited to enter the triode Q base through the resistors R6 and R7, and is higher than 0.7V, the triode Q is conducted with the collector to output a low level to enter the negative power supply input end of the relay K2, the relay K2 is electrified and closed contact end is opened, further, the bulb of the desk lamp body M1 stops lighting, students are prevented from continuously learning under the corresponding lower light, and adverse effects are brought (after the following user turns off the main power supply of the desk lamp body, the capacitor C1 is turned on, and the desk lamp body is turned on, and then the desk lamp is normally powered on).
Fig. 1 and 2 show, through the foregoing, the utility model discloses can control light monitoring circuit and detect light intensity, be less than the timing at scene light (for example the voltage of the dimming switch regulation output of lamps and lanterns is not high, lamps and lanterns luminosity is lower, or supply voltage is unusual to lead to lamps and lanterns luminosity low), can in time prompt the student to carry out light intensity regulation etc. and can turn off the total power of lamps and lanterns after the light is insufficient for a certain time, prevented that the too low student of light from writing, reading etc. from bringing the adverse effect to its vision health. The power supply module T1 is an alternating current 220V-direct current 12V switching power supply module, the resistances of the resistors R1, R2, R3, R4, R5, R6 and R7 are respectively 1K, 10K, 720 omega, 470K, 1.4M and 470K, the resistance of the adjustable resistor RP1 is 470K (adjusted to 11.2K), the buzzer B is an active continuous sound buzzer alarm finished product with the model FM12V, the triodes Q1, Q2 and Q are NPN triodes with the model 9013, the photoresistor RL is a photoresistor with the model MD45, the relays K1 and K2 are DC12V, the capacitors C1 and C2 are electrolytic capacitors with the model of 10 mu F/25V, the operational amplifier T3 is UA741, the pyroelectric detection module T2 is a human body infrared induction electronic module finished product with the model HC-SR501, the power supply is provided with two power supply input ends and one signal output end, and the signal output end outputs a power supply (the human body signal is adjusted to be within the range of 2 meters when the front end detects a movable human body signal).
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is limited to the details of the foregoing exemplary embodiments, and that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail herein, but rather is provided for the purpose of enabling those skilled in the art to make and use the embodiments described herein.
Claims (5)
1. The learning environment light monitoring device comprises a table lamp, a power module and a storage battery and is characterized by further comprising a detection circuit, a light monitoring circuit, a prompting circuit and a control circuit, wherein the power module, the storage battery, the detection circuit, the light monitoring circuit, the prompting circuit and the control circuit are arranged in the table lamp, a power output end of the power module is electrically connected with a power input end of the detection circuit, the light monitoring circuit, the prompting circuit, the control circuit and the storage battery, a signal output end of the detection circuit is electrically connected with a signal input end of the light monitoring circuit, a signal output end of the light detection circuit is electrically connected with a signal input end of the prompting circuit and a signal input end of the control circuit, and a signal output end of the control circuit is electrically connected with a power input end of the table lamp.
2. The learning environment light monitoring device of claim 1, wherein the detection circuit comprises a resistor, a triode, a relay and a pyroelectric detection module which are electrically connected, wherein the positive power input end of the pyroelectric detection module is connected with the positive power input end and the control power input end of the relay, the power output end of the pyroelectric detection module is connected with one end of the resistor, the other end of the resistor is connected with the base electrode of the triode, the collector electrode of the triode is connected with the negative power input end of the relay, and the emitter electrode of the triode is connected with the negative power input end of the pyroelectric detection module.
3. The learning environment light monitoring device of claim 1, wherein the light monitoring circuit comprises a photoresistor, a resistor, an operational amplifier and an adjustable resistor which are electrically connected, one end of the adjustable resistor is connected with one end of the photoresistor, the non-inverting input end of the operational amplifier is connected with one end of the first resistor, one end of the second resistor, the other end of the first resistor is connected with the positive power input end of the operational amplifier, and the negative power input end of the operational amplifier is connected with the other end of the photoresistor.
4. The learning environment light monitoring device of claim 1, wherein the prompting circuit comprises a resistor, a capacitor, a triode and a buzzer which are electrically connected, wherein one end of the first resistor is connected with one end of the second resistor and the positive electrode of the capacitor, the other end of the second resistor is connected with the base electrode of the triode, the collector electrode of the triode is connected with the negative power input end of the buzzer, and the emitter electrode of the triode is connected with the negative electrode of the capacitor.
5. The learning environment light monitoring device of claim 1, wherein the control circuit comprises a resistor, a capacitor, a triode and a relay electrically connected, wherein one end of the first resistor is connected with one end of the second resistor and the positive electrode of the capacitor, the other end of the second resistor is connected with the base electrode of the triode, the collector electrode of the triode is connected with the negative power supply input end of the relay, and the emitter electrode of the triode is connected with the negative electrode of the capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420694624.7U CN222089800U (en) | 2024-04-07 | 2024-04-07 | Learning Ambient Light Monitoring Device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420694624.7U CN222089800U (en) | 2024-04-07 | 2024-04-07 | Learning Ambient Light Monitoring Device |
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| CN222089800U true CN222089800U (en) | 2024-11-29 |
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| CN202420694624.7U Active CN222089800U (en) | 2024-04-07 | 2024-04-07 | Learning Ambient Light Monitoring Device |
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| CN (1) | CN222089800U (en) |
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