CN218735079U

CN218735079U - Intelligent extensible learning environment monitoring equipment

Info

Publication number: CN218735079U
Application number: CN202222202157.5U
Authority: CN
Inventors: 闵长伟; 胡爱斌; 李雄; 唐金龙; 闵璇皓蓝; 段鑫楠
Original assignee: Shenzhen Deled Led Co ltd
Current assignee: Shenzhen Deled Led Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-03-24
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses an intelligent extensible learning environment monitoring device, which comprises a power supply unit, a central control unit, a wireless transceiving unit, a light color identification unit, a LCD information output unit and a light modulation unit, wherein the power supply unit, the wireless transceiving unit, the light color identification unit, the LCD information output unit and the light modulation unit are electrically connected with the central control unit; the central control unit is used for receiving a user instruction of the wireless transceiving unit, controlling the dimming unit to adjust the brightness, the color temperature or the color rendering index according to the instruction, receiving the light color parameter of the light color identification unit, comparing the light color parameter with the preset parameter, and automatically controlling the dimming unit to adjust the brightness, the color temperature or the color rendering index according to the comparison result. The wireless transceiver unit can receive a user instruction to adjust the light color, and can automatically adjust the light color according to the identification result of the light color identification unit, so that the user is ensured to have the best learning environment, and the eyesight of the user is protected.

Description

Intelligent extensible learning environment monitoring equipment

Technical Field

The utility model belongs to the technical field of study lamp, eyesight protection and LED, concretely relates to protection eyesight's expanded study environment monitoring facilities of intelligent type.

Background

The LED lamp for reading and learning at present only aims at the light management of equipment per se for the light control of the student learning process and different learning environments, does not have the intelligent regulation capacity, and generally adapts to the light brightness of different learning environments by manual regulation of a user in the learning process. For example, in the prior art, the light control is generally realized by detecting the brightness of indoor light and adjusting the brightness of the LED through a regulating circuit.

However, most of the environmental factors influencing reading and learning include the following factors, namely air environment, noise environment, light environment and sitting posture. Therefore, if the user wants to effectively protect eyesight during reading and learning, the user needs to adjust the illumination angle besides adjusting the light brightness, so that the learning reading materials are ensured to be in the illumination range of the learning lamp, and the adjustment of the optimal illumination angle during learning is a more complicated problem than the adjustment of the brightness.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary of embodiments of the invention in order to provide a basic understanding of some aspects of the invention. It should be understood that the following summary is not an exhaustive overview of the invention. It is not intended to identify key or critical elements of the invention or to delineate the scope of the invention. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is discussed later.

In order to solve the above technical problems, the present application provides an intelligent expandable learning environment monitoring device, which includes a power supply unit, a central control unit, a wireless transceiver unit, a light color identification unit, an LCD information output unit, and a light modulation unit, wherein the power supply unit, the wireless transceiver unit, the light color identification unit, the LCD information output unit, and the light modulation unit are all electrically connected to the central control unit; the power supply unit is used for supplying power to the central control unit, the wireless transceiving unit, the light color identification unit, the LCD information output unit and the dimming unit, the wireless transceiving unit is used for receiving instructions of a user and sending feedback information, and the light color identification unit is used for collecting light color parameters of a reading surface of the user; the central control unit is used for receiving a user instruction of the wireless transceiving unit, controlling the dimming unit to adjust the brightness, the color temperature or the color rendering index according to the instruction, receiving the light color parameter of the light color identification unit, comparing the light color parameter with the preset parameter, and automatically controlling the dimming unit to adjust the brightness, the color temperature or the color rendering index according to the comparison result; the LCD information output unit is used for outputting and displaying information. The intelligent expandable learning environment monitoring device has good expandability through the wireless transceiving unit and the central control unit.

Preferably, the central control unit comprises a single chip microcomputer LQFP48 and a capacitor C2, a VDD pin of the single chip microcomputer LQFP48 is connected with 3.3V voltage, and a RESET pin of the single chip microcomputer LQFP48 is connected with the capacitor C2 in series and then grounded. The single chip microcomputer LQFP48 is adopted to realize central control, and the intelligent extensible learning environment monitoring equipment further has good expandability.

And an RX pin and a TX pin of the single chip microcomputer LQFP48 are connected to the wireless transceiving unit.

As a specific implementation scheme, the wireless transceiving unit includes a wireless chip U7, a resistor R4, a resistor R13, a resistor R14, a capacitor C7X, and a capacitor C8X, an RXD1 pin of the wireless chip U7 is connected in series with the resistor R13 and then connected to an RX pin of the single chip microcomputer LQFP48, a TXD1 pin of the wireless chip U7 is connected in series with the resistor R14 and then connected to a TX pin of the single chip microcomputer LQFP48, a VCC pin of the wireless chip U7 is connected to a 3.3V voltage, a first end of the capacitor C6, a first end of the resistor R4, a first end of the capacitor C7X, and a first end of the capacitor C8X, and a second end of the capacitor C6, a second end of the resistor R4, a second end of the capacitor C7X, and a second end of the capacitor C8X are grounded.

Preferably, the wireless transceiver unit is implemented by a Wi-Fi and Bluetooth module with the model of CB3S, and the CB3S is composed of a high-integration wireless radio frequency chip BK7231N and a small number of peripheral devices, can support AP and STA dual-role connection, and simultaneously supports low-power Bluetooth connection.

And the COM0-COM4 pins and the SEG0-SEG23 pins of the single chip microcomputer LQFP48 are connected to the LCD information output unit.

Furthermore, a P33 pin, a P32 pin and an IO27 pin of the single chip microcomputer LQFP48 are respectively connected with a touch key.

Furthermore, this scalable study environment monitoring facilities of intelligent still includes photochromic recognition unit, photochromic recognition unit with central control unit electric connection, photochromic recognition unit is used for gathering the photochromic parameter of user's reading face, central control unit still is used for receiving photochromic recognition unit's photochromic parameter, compares with the preset parameter to adjust luminance, colour temperature and color rendering index according to the result control of comparison light modulation unit, with guarantee that the user has best study environment, further protect user's eyesight.

The light color identification unit is used for collecting and identifying light color parameters such as the illumination and the color temperature of the reading surface light of the user, and the light color parameters can also comprise light color parameters such as a red coordinate value, a green coordinate value and a blue coordinate value of the reading surface light.

The light color identification unit comprises an illuminance sensor and a color temperature sensor. The light color identification unit may further include an RGB color sensing module as required. The illumination sensor, the color temperature sensor and the RGB color sensing module can be realized by adopting the same chip.

The power supply unit comprises a transformer L2, a buck converter OC5864, a capacitor C1X, a capacitor C6X, a resistor R1, a resistor R21X, a resistor R22X, a diode D1 and an inductor L1X, wherein a first terminal of the transformer L2 is respectively connected with a first end of the resistor R1, an EN end of the buck converter OC5864 and a first end of the capacitor C1X, a second terminal of the transformer L2, a second end of the capacitor C1X and a GND end of the buck converter OC5864 are grounded, a second end of the resistor R1 is connected with a VIN end of the buck converter OC5864, a SW end of the buck converter OC5864 is connected with a cathode of the diode D1 and a first end of the inductor L1X, an anode of the diode D1 is grounded, a second end of the inductor L1X is connected with a first end of the capacitor C6X and a first end of the resistor R21X, a second end of the capacitor C6X is grounded, a second end of the resistor R21X is connected with a FB end of the buck converter OC 64 and a first end of the resistor R22X is grounded. The buck converter OC5864 is a monolithic buck-type switched-mode converter with a built-in power MOSFET.

Further, the dimming unit comprises a first switch circuit and a first LED module which are connected with each other, a second switch circuit and a second LED module which are connected with each other, and a third switch circuit and a third LED module which are connected with each other; the first switch circuit, the second switch circuit and the third switch circuit are all connected to the central control unit, the central control unit controls the on-off ratio of the first switch circuit, the second switch circuit or the third switch circuit by outputting PWM waves with different duty ratios, and the average current of the first LED module, the second LED module or the third LED module connected with the central control unit is adjusted, so that dimming and color mixing are achieved.

The current desk lamp can only be preset in a factory, is set in a proper light color, and cannot be adjusted after leaving the factory, but in the practical application process, because the placement positions of the learning reading materials are different, the optimal illumination angles are different, the positions of the learning reading materials can be continuously changed when a user learns, and light can generate a comprehensive effect with an object reflected by any color, so that the user cannot be ensured to be just suitable for setting the light color when using the desk lamp.

Drawings

The invention may be better understood by referring to the following description in conjunction with the accompanying drawings, in which like reference numerals are used to designate like or similar parts throughout the figures thereof. The accompanying drawings, which are incorporated in and form a part of this specification, illustrate preferred embodiments of the present invention and, together with the detailed description, serve to explain the principles and advantages of the invention. In the drawings:

fig. 1 is a schematic diagram of the intelligent expandable learning environment monitoring device of the present invention;

FIG. 2 is a schematic circuit diagram of a central control unit and a light adjusting unit of the smart expandable learning environment monitoring apparatus according to the present embodiment;

FIG. 3 is a schematic circuit diagram of a wireless transceiver unit of the intelligent expandable learning environment monitoring apparatus according to the embodiment;

fig. 4 is a schematic circuit diagram of a power supply unit of the intelligent expandable learning environment monitoring apparatus according to the embodiment.

Fig. 5 is a schematic circuit diagram of a light color identification unit of the smart expandable learning environment monitoring apparatus according to the embodiment.

Detailed Description

Embodiments of the present invention will be described below with reference to the accompanying drawings. Elements and features described in one drawing or one embodiment of the invention may be combined with elements and features shown in one or more other drawings or embodiments. It should be noted that the figures and descriptions have omitted, for the sake of clarity, the representation and description of components and processes that are not relevant to the present invention and known to those of ordinary skill in the art.

In the description of the present invention, it is to be understood that the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the intelligent expandable learning environment monitoring device of the present embodiment includes a power supply unit, a central control unit, a wireless transceiver unit, a light color identification unit, an LCD information output unit, and a dimming unit, wherein the power supply unit, the wireless transceiver unit, the light color identification unit, the LCD information output unit, and the dimming unit are all electrically connected to the central control unit; the power supply unit is used for supplying power to the central control unit, the wireless transceiving unit, the light color identification unit, the LCD information output unit and the dimming unit, the wireless transceiving unit is used for receiving instructions of a user and sending feedback information, and the light color identification unit is used for acquiring light color parameters of a reading surface of the user; the central control unit is used for receiving a user instruction of the wireless transceiving unit, controlling the dimming unit to adjust the brightness, the color temperature or the color rendering index according to the instruction, receiving the light color parameter of the light color identification unit, comparing the light color parameter with the preset parameter, and automatically controlling the dimming unit to adjust the brightness, the color temperature or the color rendering index according to the comparison result; the LCD information output unit is used for information output display. The intelligent expandable learning environment monitoring device has good expandability through the wireless transceiving unit and the central control unit.

In this embodiment, referring to fig. 2, the central control unit includes a single chip microcomputer LQFP48 and a capacitor C2, a VDD pin of the single chip microcomputer LQFP48 is connected to a voltage of 3.3V, and a RESET pin of the single chip microcomputer LQFP48 is connected in series with the capacitor C2 and then grounded. And an RX pin and a TX pin of the single chip microcomputer LQFP48 are connected to the wireless transceiving unit.

Referring to the schematic diagram of the dimming unit on the right side of fig. 2, in the present embodiment, the principle of the dimming unit is as follows: after an IO28 pin of the single chip microcomputer LQFP48 is connected with a resistor R31X in series, one path of the series resistor R30 is grounded, the other path of the series resistor R is connected with a grid electrode (G pole) of an MOS tube Q2, a source electrode (S pole) of the MOS tube Q2 is grounded, and a drain electrode (D pole) of the MOS tube Q2 is sequentially connected with a first light emitting diode and a first resistor in series. After an IO29 pin of the single chip microcomputer LQFP48 is connected with a resistor R45 in series, one path of the series resistor R7 is grounded, the other path of the series resistor R is connected with a grid electrode (G pole) of an MOS tube Q1, a source electrode (S pole) of the MOS tube Q1 is grounded, and a drain electrode (D pole) of the MOS tube Q1 is sequentially connected with a second light emitting diode and a second resistor in series. After the IO0 pin of the single chip microcomputer LQFP48 is connected in series with the resistor R44, one path of the series resistor R11 is grounded, the other path is connected with the gate (G pole) of the MOS transistor Q3, the source (S pole) of the MOS transistor Q3 is grounded, and the drain (D pole) of the MOS transistor Q3 is sequentially connected in series with the third light emitting diode and the third resistor. The first light-emitting diode is a white light LED, the second light-emitting diode is a red light LED, the third light-emitting diode is a green light LED, and the first light-emitting diode, the second light-emitting diode and the third light-emitting diode can be one light-emitting diode or a group of light-emitting diodes. The first resistance is 10 ohms and the second and third resistances are both 10 ohms.

Referring to fig. 3, the wireless transceiver unit includes a wireless chip U7, a resistor R4, a resistor R13, a resistor R14, a capacitor C7X, and a capacitor C8X, an RXD1 pin of the wireless chip U7 is connected to an RX pin of the single chip LQFP48 after being connected in series with the resistor R13, a TXD1 pin of the wireless chip U7 is connected to a TX pin of the single chip LQFP48 after being connected in series with the resistor R14, a VCC pin of the wireless chip U7 is connected to a 3.3V voltage, a first end of the capacitor C6, a first end of the resistor R4, a first end of the capacitor C7X, and a first end of the capacitor C8X, and a second end of the capacitor C6, a second end of the resistor R4, a second end of the capacitor C7X, and a second end of the capacitor C8X are grounded.

The wireless transceiver unit is realized by adopting a Wi-Fi and Bluetooth module with the model of CB3S, the CB3S is composed of a high-integration wireless radio frequency chip BK7231N and a small number of peripheral devices, and can support AP and STA dual-role connection and low-power Bluetooth connection.

Referring to fig. 4, the power supply unit includes a transformer L2, a buck converter OC5864, a capacitor C1X, a capacitor C6X, a resistor R1, a resistor R21X, a resistor R22X, a diode D1, and an inductor L1X, a first terminal of the transformer L2 is connected to a first terminal of the resistor R1, an EN terminal of the buck converter OC5864, and a first terminal of the capacitor C1X, a second terminal of the transformer L2, a second terminal of the capacitor C1X, and a GND terminal of the buck converter OC5864 are grounded, a second terminal of the resistor R1 is connected to a VIN terminal of the buck converter OC5864, a SW terminal of the buck converter OC5864 is connected to a cathode of the diode D1 and a first terminal of the inductor L1X, an anode of the diode D1 is grounded, a second terminal of the inductor L1X is connected to a first terminal of the capacitor C6X and a first terminal of the resistor R21X, a second terminal of the capacitor R21X is grounded, and a second terminal of the resistor R22X is connected to a ground. The buck converter OC5864 is a monolithic buck-type switched-mode converter with built-in power MOSFETs.

And an RX1 pin and a TX1 pin of the single chip microcomputer LQFP48 are connected with a light color identification unit. The light color identification unit is used for collecting and identifying light color parameters such as the illumination and the color temperature of the reading surface light of the user, and the light color parameters can also comprise light color parameters such as a red coordinate value, a green coordinate value and a blue coordinate value of the reading surface light.

The light color identification unit comprises an illuminance sensor and a color temperature sensor. The light color identification unit may further include an RGB color sensing module as needed. The illumination sensor, the color temperature sensor and the RGB color sensing module can be realized by adopting the same chip.

Referring to fig. 5, in this embodiment, the light color identification unit includes a light color sensor chip, a RED LED chip RED, a GREEN LED chip GREEN, a BLUE LED chip BLUE, a capacitor C2, a capacitor C28, a resistor R2, a resistor R8, a resistor R9, and a resistor R10, where a first T1 pin of the light color sensor chip is connected to the RED LED chip RED after being connected to the resistor R8 in series, a second T1 pin of the light color sensor chip is connected to the GREEN LED chip GREEN after being connected to the resistor R9 in series, and a third T1 pin of the light color sensor chip is connected to the BLUE LED chip BLUE after being connected to the resistor R10 in series; one path of a 4.2V pin of the photochromic sensor chip is connected with a capacitor C2 in series and then is grounded, and the other path of the pin is connected to 4.2V voltage; a first CAMERA pin of the photochromic sensor chip is connected with an RX1 pin of the single chip microcomputer LQFP48, one path of a GND pin of the photochromic sensor chip is connected with a TX1 pin of the single chip microcomputer LQFP48, and the other path of the GND pin of the photochromic sensor chip is connected with a resistor R2 in series and then is grounded; a second CAMERA pin of the photochromic sensor chip is connected with a capacitor C28 in series and then is grounded; the SOUND pin of the photochromic sensor chip is grounded.

In this embodiment, the photochromic sensor chip selects the XYZ color sensor TCS3430 (or TSC 34725), collects the photochromic signals (color RGB values, color temperature, and illumination intensity) of the reading surface in real time, and obtains the XYZ color coordinate values and color temperature of the RGB colors after signal processing and conversion by the central control unit. The central control unit obtains the light color parameters of the reading surface of the user through the light color identification unit, compares the light color parameters with preset parameters, controls the dimming unit to adjust the white light, the green light or the red light to the optimal brightness, the color temperature and the color rendering index according to the comparison result, and outputs and displays information through the LCD information output unit, so that the user is ensured to have the optimal learning environment, and the eyesight of the user is protected.

The system realizes the extensible environment monitoring device through the wireless receiving and transmitting unit and the single chip microcomputer LQFP48, can receive user instructions through the wireless receiving and transmitting unit, can realize the adjustment of light color according to the requirements of users, and can also automatically control the dimming unit to adjust the brightness, color temperature or color rendering index according to light color parameters collected by the light color identification unit, so that the light color is in the optimal state in real time, thereby ensuring that the users have the optimal learning environment and protecting the eyesight of the users.

It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, elements, steps or components, but does not preclude the presence or addition of one or more other features, elements, steps or components.

While the present invention has been disclosed above by the description of specific embodiments thereof, it should be understood that all of the embodiments and examples described above are illustrative and not restrictive. Various modifications, improvements or equivalents to the invention may be devised by those skilled in the art within the spirit and scope of the appended claims. Such modifications, improvements and equivalents are also intended to be included within the scope of the present invention.

Claims

1. An intelligent extensible learning environment monitoring device is characterized in that: the LED lamp comprises a power supply unit, a central control unit, a wireless transceiving unit, a light color identification unit, an LCD information output unit and a dimming unit, wherein the power supply unit, the wireless transceiving unit, the light color identification unit, the LCD information output unit and the dimming unit are all electrically connected with the central control unit; the power supply unit is used for supplying power to the central control unit, the wireless transceiving unit, the light color identification unit, the LCD information output unit and the dimming unit, the wireless transceiving unit is used for receiving instructions of a user and sending feedback information, and the light color identification unit is used for collecting light color parameters of a reading surface of the user; the central control unit is used for receiving a user instruction of the wireless transceiving unit, controlling the dimming unit to adjust the brightness, the color temperature or the color rendering index according to the instruction, receiving the light color parameter of the light color identification unit, comparing the light color parameter with the preset parameter, and automatically controlling the dimming unit to adjust the brightness, the color temperature or the color rendering index according to the comparison result; the LCD information output unit is used for outputting and displaying information.

2. The intelligent expandable learning environment monitoring device of claim 1, wherein: the central control unit is realized by adopting a single chip microcomputer LQFP 48.

3. The intelligent expandable learning environment monitoring device of claim 2, wherein: and an RX pin and a TX pin of the single chip microcomputer LQFP48 are connected to a wireless transceiving unit.

4. The intelligent expandable learning environment monitoring device of claim 3, wherein: the wireless transceiving unit comprises a wireless chip U7, a resistor R4, a resistor R13, a resistor R14, a capacitor C7X and a capacitor C8X, wherein an RXD1 pin of the wireless chip U7 is connected with an RX pin of the singlechip LQFP48 after being connected with the resistor R13 in series, a TXD1 pin of the wireless chip U7 is connected with a TX pin of the singlechip LQFP48 after being connected with the resistor R14 in series, a VCC pin of the wireless chip U7 is connected with 3.3V voltage, a first end of the capacitor C6, a first end of the resistor R4, a first end of the capacitor C7X and a first end of the capacitor C8X, and a second end of the capacitor C6, a second end of the resistor R4, a second end of the capacitor C7X and a second end of the capacitor C8X are grounded.

5. The intelligent expandable learning environment monitoring device of claim 4, wherein: the wireless receiving and transmitting unit is realized by adopting a Wi-Fi module and a Bluetooth module of which the models are CB 3S.

6. The intelligent expandable learning environment monitoring device of claim 2, wherein: the light color identification unit comprises a light color sensor chip, a RED LED chip RED, a GREEN LED chip GREEN, a BLUE LED chip BLUE, a capacitor C2, a capacitor C28, a resistor R2, a resistor R8, a resistor R9 and a resistor R10, wherein a first T1 pin of the light color sensor chip is connected with the RED LED chip RED after being connected with the resistor R8 in series, a second T1 pin of the light color sensor chip is connected with the GREEN LED chip GREEN after being connected with the resistor R9 in series, and a third T1 pin of the light color sensor chip is connected with the BLUE LED chip BLUE after being connected with the resistor R10 in series; one path of a 4.2V pin of the photochromic sensor chip is connected with a capacitor C2 in series and then is grounded, and the other path of the pin is connected to 4.2V voltage; a first CAMERA pin of the photochromic sensor chip is connected with an RX1 pin of the singlechip LQFP48, one path of a GND pin of the photochromic sensor chip is connected with a TX1 pin of the singlechip LQFP48, and the other path of the GND pin of the photochromic sensor chip is connected with a resistor R2 in series and then is grounded; a second CAMERA pin of the photochromic sensor chip is connected with a capacitor C28 in series and then is grounded; the SOUND pin of the photochromic sensor chip is grounded.

7. The intelligent expandable learning environment monitoring device of claim 6, wherein: the photochromic sensor chip is implemented by a color sensor TCS 3430.

8. The intelligent expandable learning environment monitoring device of claim 1, wherein: the power supply unit comprises a transformer L2, a buck converter OC5864, a capacitor C1X, a capacitor C6X, a resistor R1, a resistor R21X, a resistor R22X, a diode D1 and an inductor L1X, wherein a first terminal of the transformer L2 is respectively connected with a first end of the resistor R1, an EN end of the buck converter OC5864 and a first end of the capacitor C1X, a second terminal of the transformer L2, a second end of the capacitor C1X and a GND end of the buck converter OC5864 are grounded, a second end of the resistor R1 is connected with a VIN end of the buck converter OC5864, a SW end of the buck converter OC5864 is connected with a cathode of the diode D1 and a first end of the inductor L1X, an anode of the diode D1 is grounded, a second end of the inductor L1X is connected with a first end of the capacitor C6X and a first end of the resistor R21X, a second end of the capacitor C6X is grounded, a second end of the resistor R21X is connected with a FB end of the buck converter OC 64 and a first end of the resistor R22X is grounded.