CN210639900U

CN210639900U - Wireless advertisement projection lamp based on Wifi replacement content

Info

Publication number: CN210639900U
Application number: CN201921475926.0U
Authority: CN
Inventors: 李尹; 杨灿
Original assignee: Hunan Vocational College of Science and Technology
Current assignee: Hunan Vocational College of Science and Technology
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-05-29
Anticipated expiration: 2029-09-06

Abstract

A wireless advertisement projection lamp based on Wifi replacement content comprises a high-definition lens, an OLED (organic light emitting diode) semi-transparent display screen, a lamp body, a base, a controller and an LED light source; the lamp body is of a projection lamp mechanical structure, a high-definition lens, an OLED (organic light emitting diode) semi-transparent display screen, an LED light source and a controller are respectively fixed on the lamp body from left to right, and the lamp body is installed with a wall body or other fixed structures through a base; the controller comprises a Wifi chip, a Flash storage and a display screen driver; the terminal is connected with the controller in a Wifi connection mode, and the controller receives projection contents, stores the projection contents into Flash and simultaneously sends the projection contents to the OLED display screen for display. The utility model discloses utilize the Wifi wireless network, directly edit and send the content that will show on dull and stereotyped or cell-phone, the chip energy consumption is low, connects conveniently, can edit the content of sending at any time and send OLED display screen to show, satisfies the flexibility and the variety that show the content.

Description

Wireless advertisement projection lamp based on Wifi replacement content

Technical Field

The utility model belongs to an intelligence wireless advertisement projection lamp.

Background

A projection lamp, also called an imaging lamp, is an electrical device that can project images or characters on the ground or on a wall. At present, the projection lamp is used as a brand new advertisement medium, has permeated into various large shops and entertainment places due to small volume and beautiful projection effect, and can be applied to bedrooms of children, living rooms, automobiles and the like to play a role in decoration.

The projection lamp series products use the optical projection principle of high-power projection equipment and use high-brightness light source to project the advertisement contents on the lamp sheet to the projection advertisement surface required by customer so as to form the outdoor or indoor dynamic advertisement effect with rich visual impact force.

The existing projection lamp in the market can only project the content in the prefabricated lamp piece, although part of projection lamp equipment can realize the functions of rotating the lamp body and the like so as to enhance the dynamic effect of the projected content, if the projected content needs to be replaced, the replacement can be completed only by adopting a mode of replacing the lamp piece.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can change intelligent projection lamp of projection display content in real time.

In order to realize the above purpose, the utility model adopts the technical scheme that: the LED lamp comprises a high-definition lens, an OLED semitransparent display screen, a lamp body, a base, a controller and an LED light source. The lamp body is a projection lamp mechanical structure, a high-definition lens, an OLED (organic light emitting diode) semi-transparent display screen, an LED light source and a controller are respectively fixed from left to right, and the lamp body is installed with a wall body or other fixed structures through a base. The controller comprises a Wifi chip, a Flash memory and a display screen driver. The user is connected with the controller through the terminal in a Wifi connection mode, and the controller receives the projection content, stores the projection content in Flash and simultaneously sends the projection content to the OLED display screen for display.

The high-definition lens is provided with a thread structure for manually adjusting the focal length, and can be manually finely adjusted according to the distance of the projection distance, so that the projection content is clearly displayed on the surface of a projected object.

The OLED semi-transparent display screen is controlled by the controller and is used for displaying projected contents, static contents and dynamic contents can be displayed according to the use setting of a user, and the contents of displayed pictures can be replaced in real time.

The lamp body structurally further comprises radiating fins and a waterproof device so as to ensure normal operation of all components under indoor, outdoor and various climatic conditions.

The base is connected with the lamp body and provides support on the one hand, and is connected with the wall structure on the other hand for mechanical fixation.

The user terminal is a mobile phone or a tablet personal computer, is connected with the controller in a Wifi connection mode, finishes editing the content to be projected on the mobile phone or the tablet personal computer and sends the content to the controller, and the controller receives the projected content, stores the content in Flash and sends the content to the OLED display screen for display.

The LED light source provides illumination conditions, and the light path of the LED light source penetrates through the OLED display screen to project projection contents to the surface of an object to be displayed by a user.

The main control chip is STM32F103C8T6 or other chips with similar functions. An ESP8266 chip which provides main control and is connected with Wifi, and a power supply module selects ME 3211-3.3.

The utility model discloses it is simple and convenient to change the projection content, can utilize Wifi wireless network, directly edit and send on flat board or cell-phone and want to show the content, and the chip energy consumption of chooseing for use is low, connects convenient and practical, can edit at any time and send to OLED display screen display with the content to show, make the flexibility and the variety ability of the content that shows satisfy user's demand.

Drawings

Fig. 1 is a schematic diagram of peripheral main connection circuit pins when the main control chip of the present invention is STM32F103C8T 6;

FIG. 2 is a schematic diagram of the power supply chip of the present invention;

FIG. 3 is a schematic diagram of a symmetric module of a main control chip for facilitating connection of peripheral circuits;

fig. 4 is a reset circuit diagram of the present invention;

fig. 5 is an overall layout diagram of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

The main control chip selects STM32F103C8T6, a circuit connected to the LED is shown in figure 1,

pins

2 and 3 of the 096OLED chip are respectively connected to PA6 and PA7 of the main control chip STM32F103C8T6, and

pins

1 and 4 of the 096OLED chip are respectively connected to a power supply and the ground, so that the control of the LED display screen is realized.

As shown in fig. 1, the PA9 and the PA10 of the STM32F103C8T6 master control chip are respectively connected to the pin 8 and the pin 1 of the Wifi chip ESP8266, and the pin 3 and the pin 2 of the ESP8266 are respectively connected to the power supply of 3.3V and the ground, so as to realize connection with the Wifi chip.

As shown in FIG. 1, the pins PA11 and PA12 of the STM32F103C8T6 master control chip are connected to the

pins

1 and 2 of the USB-5P through resistors R5 and R6, the

pins

3 and 4 of the USB-5P are grounded, and the pin 0 is connected to the power supply of 5V, so that the connection of the USB port circuit is realized. PA12 is connected to power supply via resistor R7, and the resistances of resistors R5 and R6 are 22 Ω and 10K Ω.

In fig. 1, the STM32F103C8T6 master control chip is grounded through C3 and C4, and the PA14 and the PA15 are connected through Y1. Similarly, PD0 and PD1 are grounded through C5 and C6 respectively, and PD0 and PD1 are connected through Y2.

As shown in fig. 2, an external power supply is connected to

pins

1 and 3 of ME3211-3.3 respectively after passing through a resistor-filter capacitor C1,

pins

1 and 3 are grounded through capacitors C2 and C7, pin 2 of ME3211-3.3 is grounded, and pin 5 of ME3211-3.3 is connected to a power output and led to a BOOT0, that is, pin 44 of the STM32F103C8T6 main control chip.

Fig. 3 is a template provided for dividing the main control chip STM32F103C8T6 into one of symmetrical modules in a schematic diagram, which facilitates circuit design software libraries, mainly for functional partitioning and for facilitating connection of peripheral circuits.

As shown in FIG. 4, the 7-pin NRST of the STM32F103C8T6 main control chip is connected with a microswitch circuit, after the microswitch is connected with a capacitor C11 in parallel, one end of the microswitch is connected with a power supply through a resistor R1, and the other end of the microswitch is grounded. The resistance value of R1 is 10K Ω, and the value of C11 is 100nF, realizes the reset of circuit.

Fig. 5 is the utility model discloses a high definition lens 1, the translucent display screen 2 of OLED, lamp body 3, base 4, controller 6 and LED light source 5. The lamp body 3 provides a basic structure of a projection lamp machine, the high-definition lens 1, the OLED semitransparent display screen 2, the LED light source 5 and the controller 5 are respectively fixed on the lamp body from left to right, and the lamp body 3 is installed on a wall body or other fixed structures through the base 4. The controller 6 comprises a Wifi chip, a Flash memory and a display screen driver. The user is connected with the controller through the terminal in a Wifi connection mode, and the controller receives the projection content, stores the projection content in Flash and simultaneously sends the projection content to the OLED display screen for display.

Claims

1. The utility model provides a wireless advertisement projection lamp based on Wifi changes content which characterized in that: the LED lamp comprises a high-definition lens, an OLED semitransparent display screen, a lamp body, a base, a controller and an LED light source; the lamp body is of a projection lamp mechanical structure, a high-definition lens, an OLED (organic light emitting diode) semi-transparent display screen, an LED light source and a controller are respectively fixed on the lamp body from left to right, and the lamp body is installed with a wall body or other fixed structures through a base; the controller comprises a Wifi chip, a Flash storage and a display screen driver; the terminal is connected with the controller in a Wifi connection mode, and the controller receives projection contents, stores the projection contents into Flash and simultaneously sends the projection contents to the OLED display screen for display.

2. The Wifi replacement content based wireless advertising projection lamp as claimed in claim 1, wherein: the high-definition lens is provided with a thread structure for manually adjusting the focal length.

3. The Wifi replacement content based wireless advertising projection lamp as claimed in claim 1, wherein: the lamp body structurally comprises a heat sink and a waterproof device.

4. The Wifi replacement content based wireless advertising projection lamp as claimed in claim 1, wherein: the main control chip of the controller is STM32F103C8T6 or other chips with similar functions, an ESP8266 chip providing main control with Wifi connection, and the power supply module selects ME 3211-3.3.

5. The wireless advertising projection lamp based on Wifi replacement content as claimed in claim 4, wherein: the circuit structure that the main control chip STM32F103C8T6 is connected to the LED is: pins 2 and 3 of the 096OLED chip are respectively connected to the PA6 and PA7 of the main control chip STM32F103C8T6, and pins 1 and 4 of the 096OLED chip are respectively connected to the power supply and the ground, so that the control of the LED display screen is realized; the PA9 and the PA10 of the STM32F103C8T6 main control chip are respectively connected to the pin 8 and the pin 1 of the Wifi chip ESP8266, and the pin 3 and the pin 2 of the ESP8266 are respectively connected to a 3.3V power supply and the ground, so that the connection with the Wifi chip is realized.

6. The wireless advertising projection lamp based on Wifi replacement content as claimed in claim 4, wherein: the power module that STM32F103C8T6 master control chip provided the power chooses ME3211-3.3 circuit structure to be: an external power supply is respectively connected to pins 1 and 3 of ME3211-3.3 after passing through a resistor and a filter capacitor C1, the pins 1 and 3 are respectively grounded through capacitors C2 and C7, pins 2 of ME3211-3.3 are grounded, and pins 5 of ME3211-3.3 are connected with a power supply output and led to BOOT0, namely pin 44 of an STM32F103C8T6 main control chip.

7. The wireless advertising projection lamp based on Wifi replacement content as claimed in claim 4, wherein: a7-pin NRST of the STM32F103C8T6 main control chip is connected with a micro switch circuit, after the micro switch is connected with a capacitor C11 in parallel, one end of the micro switch is connected with a power supply through a resistor R1, the other end of the micro switch is grounded, the resistance value of R1 is 10K Ω, and the value of C11 is 100nF, so that the reset of the main control circuit is realized.