CN206861431U - A kind of pre- myopia prevention energy-saving desk lamp - Google Patents

Abstract

The utility model discloses a multifunctional energy-saving table lamp for preventing myopia, which comprises a lampshade, a bracket and a base; the lower end of the bracket is fixedly installed on the base, and the upper end of the bracket is connected with the lampshade through a hinge mechanism; an LED is fixed on the lower surface of the lampshade The lamp bead array, the upper surface of the lampshade is used to install the solar panel for receiving light, and the infrared sensor module is installed on the front of the lampshade; the signal line and the power line are arranged inside the bracket, and the outer surface of the bracket is installed to display the indoor temperature and humidity. , air quality, lithium battery power, time, date information liquid crystal display; the controller and lithium battery are installed inside the base, and the core component of the controller is STC51 single-chip microcomputer. Collecting information, when the sitting posture is improper, the power supply can be cut off in time, effectively preventing the occurrence of myopia; the indoor air quality is detected by the air quality sensor, which is convenient for users to understand the indoor air quality information, and the user will be reminded when the air quality deteriorates; clean energy.

Description

A multifunctional energy-saving desk lamp for preventing myopia

technical field

The utility model relates to the technical field of daily necessities, in particular to a multifunctional energy-saving desk lamp for preventing myopia.

Background technique

Solar energy is abundant, inexhaustible, free to use and will not pollute the environment. Today, when the greenhouse effect is prominent, my country attaches great importance to the utilization of clean and renewable energy and advocates the construction of a conservation-oriented society. With the continuous maturity of solar energy utilization technology in other fields, the acquisition of solar energy has become very convenient. The conversion of solar energy into electrical energy can be completed through a cheap and thin solar panel, creating conditions for the application of solar energy in the field of daily necessities.

Among the 400 million myopia patients in China, the proportion of high myopia patients has reached 30%. In the past 10 years, this proportion has increased by nearly 13 percentage points, and it is still showing a gradual upward trend. China has become the hardest-hit area for high myopia. The main cause of myopia is unhealthy eye use, such as continuous eye use for too long, incorrect sitting posture when studying, etc. Prevention of myopia has become an urgent problem.

At present, most solar desk lamps on the market only add solar cells to ordinary desk lamps. The function is relatively single, and the stored solar energy is not fully utilized; the space design of the base of the desk lamp is given priority to aesthetics, less practical considerations, and the use of base space is not high.

Utility model content

The purpose of the utility model is to provide a myopia prevention multifunctional energy-saving table lamp to overcome the deficiencies in the prior art.

The technical scheme that the utility model adopts is:

A multifunctional energy-saving table lamp for preventing myopia, comprising a lampshade, a bracket and a base; the lower end of the bracket is fixedly mounted on the base, and the upper end of the bracket is connected to the lampshade through a hinge mechanism; an array of LED lamp beads is fixed on the lower surface of the lampshade, and the lampshade The upper surface is used to install solar panels for receiving light, and an infrared sensor module is installed on the front of the lampshade; signal lines and power lines are arranged inside the bracket, and the outer surface of the bracket is equipped with indicators for displaying indoor temperature, humidity, air quality, and lithium battery. Liquid crystal display of battery power, time and date information; a controller and a lithium battery are installed inside the base, and the core component of the controller is a STC51 single-chip microcomputer, which can realize environmental information collection module, infrared sensing module, membrane keyboard module, liquid crystal display , wireless charging module, lithium battery charging and discharging module, and management and control of LED lights; the surface of the base is provided with a waterproof film keyboard and an area for placing a mobile phone to be charged, and a USB power interface is provided on the side. The desk lamp can be powered by the USB power interface directly.

The waterproof membrane keyboard adopts a matrix keyboard, and the functions of each button are: light brightness adjustment, wireless charging switch, lithium battery charging switch, alarm reset, time setting, and date setting.

The infrared sensor module uses a pyroelectric infrared sensor, which is only sensitive to the infrared rays emitted by the human body. When the distance between the human body and the table lamp exceeds the set range, the sensor will detect it in time and send the signal to the STC51 single-chip microcomputer, STC51 The single-chip microcomputer cuts off the power supply of the LED lamp bead in time by controlling the LED drive circuit, so as to avoid the occurrence of myopia caused by the human body sitting in an improper sitting position for a long time to read.

The solar panel forms a circuit with the lithium battery through wires and relay contacts. When the STC51 single-chip microcomputer detects that the lithium battery is undervoltage, it will control the relay contact in the lithium battery charging and discharging module to be connected to charge the lithium battery. After completion, it will automatically disconnect the solar panel and lithium battery to prevent overcharging.

The back and bottom of the base have grid-shaped cooling holes, and the lithium battery is fixed in the groove on the bottom of the base.

Compared with the prior art, the utility model has the beneficial effects that: the pyroelectric infrared sensor is used to collect information on the sitting posture of the human body, and the power supply can be cut off in time when the sitting posture is improper, effectively preventing the occurrence of myopia; The utility model will also automatically cut off the power supply to achieve energy-saving effects; the indoor air quality is detected through the air quality sensor, which is convenient for users to understand the indoor air quality information, and will remind the user when the air quality becomes poor; using clean energy, through high-frequency The inverter circuit and LC resonant network realize the wireless charging function of the mobile phone; the desk lamp has a compact structure design, which makes full use of the space of the desk lamp base.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic diagram of the utility model principle

Figure 3 is a schematic diagram of the wireless charging principle of the utility model

Reference signs in the figure: 1. lampshade, 2. solar panel, 3. pyroelectric infrared sensor, 4. bracket, 5. liquid crystal display, 6. USB power interface, 7. the area where the mobile phone to be charged is placed, 8. Hinge mechanism, 9. base, 10. waterproof membrane type keyboard.

detailed description

Referring to the accompanying drawings, a multifunctional energy-saving desk lamp for preventing myopia comprises a lampshade 1, a bracket 4 and a base 9; The surface is fixed with an array of LED lamp beads, the upper surface of the lampshade 1 is used to install the solar panel 2 for receiving light, and the infrared sensor module is installed on the front of the lampshade 1; the signal line and the power line are arranged inside the bracket 4, and the outer surface of the bracket 4 is installed There is a liquid crystal display 5 for displaying indoor temperature, humidity, air quality, lithium battery power, time and date information; a controller and a lithium battery are installed inside the base 9, and the core component of the controller is a STC51 single-chip microcomputer, which can realize the collection of environmental information module, infrared sensing module, membrane keyboard module, liquid crystal display 5, wireless charging module, lithium battery charging and discharging module, management and control of LED lights; the surface of the base is provided with a waterproof membrane keyboard 10 and an area 7 for placing a mobile phone to be charged , the side is provided with a USB power interface 6, in the case of continuous rainy weather, the USB power interface 6 can be directly used to supply power to the desk lamp.

The waterproof membrane keyboard 10 adopts a matrix keyboard, and the functions of each button are: brightness adjustment of lights, wireless charging switch, lithium battery charging switch, alarm reset, time setting, and date setting. The infrared sensor module adopts pyroelectric infrared sensor 3, which is only sensitive to the infrared rays emitted by the human body. When the distance between the human body and the table lamp exceeds the set range, the sensor will detect it in time and send the signal to the STC51 single-chip microcomputer, STC51 single-chip microcomputer By controlling the LED drive circuit to cut off the power supply of the LED lamp beads in time, it can avoid the occurrence of myopia caused by the human body sitting in an improper sitting posture for a long time to read. The solar panel 2 forms a circuit with the lithium battery through wires and relay contacts. When the STC51 single-chip microcomputer detects that the lithium battery is undervoltage, it will control the relay contact in the lithium battery charging and discharging module to be connected to charge the lithium battery, and the charging is completed. After that, it will automatically disconnect the solar panel and lithium battery to prevent overcharging. There are grid-shaped cooling holes on the back and bottom of the base, and the lithium battery is fixed in the groove on the bottom of the base.

As shown in Figure 2, the utility model adopts STC51 single-chip microcomputer as the main control chip, which realizes the management and control of the peripheral functional modules. When the lithium battery voltage is low, the main control chip controls the relay contacts to close to form a charging circuit between the solar panel and the lithium battery. During the charging process, the voltage sensor connected to the lithium battery discharge port detects the charging status of the lithium battery. The chip will automatically cut off the charging circuit to prevent overcharging. The discharge terminal of the lithium battery is connected in parallel with the USB power interface and then connected with the LED drive circuit to provide working power for the LED bead array. The length of time the button is pressed controls the LED drive to adjust the brightness of the desk lamp, and during the practical process of the desk lamp, if the person leaves the desk lamp, the pyroelectric infrared sensor 3 will sense it, and the main control chip will automatically turn off the desk lamp. When the person returns Automatically turn on the desk lamp. The working voltage input end of the wireless charging module is connected to the lithium battery and the USB power interface, and whether its operation is controlled by the main control chip. After pressing the wireless charging switch on the waterproof film type keyboard 10, the wireless charging module is in the working state. Now as long as the mobile phone to be charged is placed on the wireless charging mobile phone placement area 7 on the desk lamp base 9, the charging of the mobile phone can be completed without wires and charging adapters. The temperature, humidity, and air quality sensors in the environmental information collection module use temperature sensor DS18B20 with digital signal output function, humidity sensor DHT11 and air quality sensor MQ135 that outputs analog signals. Since MQ135 outputs analog signals, the sensor is in Before connecting to the multi-way switch, AD conversion is required. The output terminal of the environmental information collection module is connected to the STC51 single-chip microcomputer through the multi-way switch. Judgment, will start the LED light on the desk lamp base if exceed the standard and make it flash non-stop, need reset by the alarm reset button on the waterproof membrane type keyboard 10 after the alarm starts. The liquid crystal display is connected with the parallel port of the main control chip, and is used to display information such as indoor temperature, humidity, air quality, lithium battery power, time, and date information.

Claims (5)

1. A multifunctional energy-saving desk lamp for preventing myopia, comprising a lampshade, a support and a base; it is characterized in that the lower end of the support is fixedly mounted on the base, and the upper end of the support is connected with the lampshade by a hinge mechanism; the lower surface of the lampshade is fixed with LED lamp bead array, the upper surface of the lampshade is used to install a solar panel for receiving light, and an infrared sensor module is installed on the front of the lampshade; signal lines and power lines are arranged inside the bracket, and the outer surface of the bracket is installed for displaying indoor temperature, LCD display of humidity, air quality, lithium battery power, time and date information; a controller and a lithium battery are installed inside the base, and the core component of the controller is a STC51 single-chip microcomputer, which can realize the environmental information collection module, infrared sensor module, Management and control of the membrane keyboard module, liquid crystal display, wireless charging module, lithium battery charging and discharging module, and LED lights; the surface of the base is provided with a waterproof membrane keyboard and an area for placing a mobile phone to be charged, and a USB power interface is provided on the side. In the case of continuous rainy weather, the USB power interface can be directly used to power the desk lamp. 2. The multifunctional energy-saving desk lamp for preventing myopia according to claim 1, wherein the waterproof membrane keyboard adopts a matrix keyboard, and the functions of each button are respectively: brightness adjustment of light, wireless charging switch, lithium battery charging switch, Alarm reset, time setting, date setting. 3. The multi-functional energy-saving desk lamp for preventing myopia according to claim 1, wherein the infrared sensing module adopts a pyroelectric infrared sensor, which is only sensitive to infrared rays emitted by the human body. range, the sensor will detect it in time and send the signal to the STC51 single-chip microcomputer. The STC51 single-chip microcomputer cuts off the power supply of the LED lamp bead in time by controlling the LED drive circuit, so as to avoid the occurrence of myopia caused by the human body sitting in an improper sitting posture for a long time while reading. 4. The multifunctional energy-saving desk lamp for preventing myopia according to claim 1 is characterized in that, the solar panel forms a circuit with the lithium battery through a wire and a relay contact, and when the STC51 single-chip microcomputer detects that the lithium battery is undervoltage, it will control the The relay contact in the lithium battery charging and discharging module is connected to charge the lithium battery. After the charging is completed, the connection between the solar panel and the lithium battery will be automatically disconnected to prevent overcharging. 5. The multifunctional energy-saving desk lamp for preventing myopia according to claim 1, wherein the back and bottom of the base have grid-shaped cooling holes, and the lithium battery is fixed in the groove on the bottom of the base.