CN202795992U - Display module having WiFi function - Google Patents
Display module having WiFi function Download PDFInfo
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- CN202795992U CN202795992U CN 201220318578 CN201220318578U CN202795992U CN 202795992 U CN202795992 U CN 202795992U CN 201220318578 CN201220318578 CN 201220318578 CN 201220318578 U CN201220318578 U CN 201220318578U CN 202795992 U CN202795992 U CN 202795992U
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- 239000000463 material Substances 0.000 description 3
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- 230000008646 thermal stress Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
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Abstract
The utility model discloses a display module having the WiFi function, which is characterized by comprising a circuit board, a WiFi module, a display screen, an MCU (micro control unit) module, an RF (radio frequency) module, an I2C (inter-integrated circuit) module and an interface module. The WiFi module, the display screen, the MCU module, the RF module, the I2C module and the interface module are integrated on the surfaces of the circuit board. The MCU module is served as the core control unit of the display module having the WiFi function and controls the operations of the RF module, the I2C module, the WiFi module, the display screen and the interface module. The operation state of a household electrical appliance provided with the above display module having the WiFi function can be controlled by means of a wireless control terminal, such as a mobile phone, a computer and the like.
Description
Technical Field
The utility model relates to an regard as the display module of light source with LED, especially relate to a take display module of wifi function.
Background
Currently, LED displays are used for displaying predetermined patterns on various instruments, meters, household appliances, and the like. The conventional LED display is provided with a pin for connecting a driving circuit of the LED display. This conventional design approach of separating the display from the driving circuitry has significant disadvantages: 1. a user needs to weld the display module on the IC-driven circuit board through the wave crest furnace, perform related tests on the display, install the display in the installation shell, and finally fix the display on various instruments and household appliances through screws, so that the operation of the user is complex and the use is very inconvenient; 2. the display and the driving circuit are separated, so that the whole product is large in size and is not suitable for the development trend of miniaturization of various instruments and electric appliances; 3. the display and the driving circuit are easy to have poor contact, so that the maintenance frequency of the electric appliance is increased; 4. the used components and materials are many, and the product cost is high.
In addition, the conventional household appliances are generally controlled by a manual switch and an operating state thereof, or by an infrared remote controller. With these conventional control methods, a person needs to be in contact with or close to the appliance. For some users, when the household appliances are desired to be controlled remotely on the commute, the traditional household appliances cannot realize the function.
Therefore, the display module for the household appliance, which integrates display, driving and intelligent control, is small in size and convenient to install, is designed. The household appliance installed and used with the display module can have the functions of intelligence and remote control.
Disclosure of Invention
The utility model discloses an adopt following technical scheme to realize above-mentioned purpose:
the utility model provides a take display module of wifi function, includes the circuit board, integrated in wifi module, display screen, MCU (micro control unit) module and interface module on the circuit board surface, MCU module control wifi module, display screen and interface module, interface module is used for being connected with external circuit, the wifi module directly communicates with wireless control terminal each other, is controlled by MCU simultaneously and to MCU feedback information, and the information that receives wireless control terminal when the wifi module changes, can feed back MCU, by MCU control display screen and interface module's information.
Furthermore, an RF (radio frequency) module which is controlled by the MCU module and feeds information back to the MCU module is integrated on the surface of the circuit board.
Furthermore, the surface of the circuit board is also integrated with an I directly connected with the MCU module2A C (Inter-Integrated Circuit) module.
Furthermore, the number of the MCUs in the MCU module is determined according to specific needs.
Furthermore, the circuit board is a double-sided circuit board, and the wifi module, the display screen, the mcu (microcontrol unit) module and the interface module are respectively disposed on the front and back sides of the double-sided circuit board.
The display screen adopts an LED light source.
Furthermore, the display screen is provided with a display driver, one end of the display driver is connected with the LED light source, and the other end of the display driver is connected with the MCU module.
The RF module has receiving and transmitting functions, and further, the RF module is a module with a Bluetooth function.
The display module is provided with a fixing hole.
The interface module comprises a wire holder and a connecting wire, and is used for electrically connecting with the applied household appliance.
The utility model discloses a show function and wifi function integration body structure, obtain a display module who takes the wifi function, compare with traditional design, have following advantage:
1. the domestic appliance only needs to install the display module with the wifi function, intelligent and remote control can be achieved, and popularization of the intelligent domestic appliance is accelerated.
2. The display module adopts an integrated structure, the structure of each part is compact, the product volume is small, the material consumption is less, the cost is low, and favorable conditions are provided for the development of the product towards the light and thin direction.
3. The display module adopts an integrated design, the process of welding a circuit board with IC drive through a wave-crest furnace is omitted, the damage of the chip LED caused by thermal stress due to high temperature again is reduced, the service life of a chip LED device is prolonged, and the integral reliability is improved.
4. The display module and the driving module are integrated, the installation and the use are more convenient, and a downstream user only needs to directly plug the connecting wire of the display module onto a control panel of an electric appliance.
Drawings
Fig. 1 is a schematic diagram of a display module with wifi function according to the present invention;
fig. 2 is a schematic top view of a display module with wifi function according to the present invention;
FIG. 3 is a view of the present invention from the A-A direction;
fig. 4 is the utility model relates to a take display module bottom view schematic diagram of wifi function.
Diagram marking:
1, a circuit board; 10 a display module; 2, displaying a screen; 21 a reflective cavity; 3, a wifi module; 4 MCU; 5 an RF module; 6I2A module C; 7 an electronic component; 8, fixing holes; and 9, interfaces.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
A display module with a wifi function can communicate with a wireless control terminal, namely, a household appliance provided with the display module with the wifi function can control the using state of the household appliance through the wireless control terminal, such as a mobile phone, a computer and the like. Meanwhile, other household appliances provided with the display module with the wifi function can be controlled, such as a washing machine, an air conditioner and the like.
Fig. 1 shows a working principle diagram of a display module with wifi function, wherein the solid line portion is the present invention discloses a display module with wifi function. In order to more clearly describe the operation principle of the display module, the following description is provided with reference to the control terminal and the household appliance shown in the dotted line in fig. 1.
The above-mentionedThe display module of (a) is roughly divided into: MCU (micro control unit) module, RF (radio frequency) module, I2The device comprises a C (Inter-Integrated Circuit) module, a WIFI module, a display screen and an interface. Wherein,
the MCU module is a core control unit of the whole display module, an RF module and an I2The module C, the WIFI module and the display screen are all controlled by the MCU;
the display screen comprises a display drive module, wherein the display drive module is directly connected with the MCU, the display drive module is directly controlled by the MCU, and the display drive module further drives the display screen to display various patterns and the working state of the display module.
The interface is used for electrically connecting the display module with the household appliance and is controlled by the MCU, and the MCU controls the working state of the household appliance through the interface;
the WIFI module is directly communicated with the wireless control terminal, is controlled by the MCU and feeds back information to the MCU, when the information received by the WIFI module from the wireless control terminal is changed, the information can be fed back to the MCU, the MCU controls and displays the drive and the information of the interface, at the moment, the working state of a household appliance connected with the display module can be changed, and meanwhile, the display screen displays the information of the change of the display;
the RF module comprises receiving and transmitting functions and is used for communication with other intelligent household appliances, when information received by the RF module changes, the information can be fed back to the MCU, and the MCU controls corresponding display drive or the household appliances.
A I2And the module C is directly connected with the MCU and is used for expanding the program storage space of the MCU so as to more flexibly and intelligently control the working state of the household appliance and various display patterns of the display screen.
Introduced above is the present invention's basic working principle of display module. The following describes a specific structural design of a display module with wifi function.
A display module with WIFI function, which can communicate with a wireless control terminal, as shown in fig. 2 to 4, includes: circuit board 1, set up display screen 2, wifi module 3, MCU4, RF module 5, I on circuit board 1 surface2C-module 6, several electronic components 7, fixing holes 8 and interface 9.
The circuit board 1 is a PCB double-sided circuit board.
The display screen 2 is an LED display screen. The LED devices in the display screen 2 are attached to the preset positions of the circuit board 1, and a reflecting cavity 21 corresponding to the arrangement positions of the LED devices is arranged above the LED devices. The display screen 2 is also provided with a display driving chip (not marked), the display driving chip is integrated on the circuit board 1, and the control of the MCU3 is combined, so that the LED display screen 2 can realize various display effects such as temperature display, dynamic color display, smiling face and the like.
The wifi module 3 has wireless receiving and transmitting functions, and intelligent control of the wireless control terminal can be achieved through the display module 10 with the wifi function. The wireless control terminal can be a mobile phone, a notebook computer or other wireless network terminals.
The RF module 5 is a radio frequency module and has wireless transmitting and receiving functions, wherein the RF module can be in a Bluetooth technology and is used for realizing communication with other intelligent household appliances.
Said I2The C module 6 is used to expand the program storage space of the MCU3, and since the storage space of the MCU is limited, the program storage space needs to be expanded in order to implement more functions and more programs of the display module, in this embodiment, I is used2The C module enlarges the program storage space of the MCU, and programs can be compiled according to the requirements and combined with the display function of the display screen, so that the display effect of the display screen is diversified, and the display function is not too monotonous.
The number of the MCU modules is 1 MCU, and in other embodiments, the number of the MCUs can be determined according to requirements;
the electronic component 7 comprises a plurality of resistors, capacitors, wire holders and the like, and is combined with the modules to be designed and installed on the front surface and the back surface of the double-sided circuit board 1. The fixing hole 8 is used for mechanically fixing the display module and the household appliance, and the interface 9 is used for electrically connecting the display module and the household appliance through a wire holder.
The MCU, the RF module and the I2The C module, the WIFI module and the electronic elements are designed through reasonable circuits, so that each module is compact in structure, integrated on the same circuit board, unnecessary peripheral circuits are reduced, the whole size of the display module with the WIFI function is reduced, convenience is brought to a user, the display module is small in size, convenient to install and use for customers, and can be fixedly connected with the household appliance through the fixing hole and additionally passes through the interface of the display module and the electric connection of the household appliance. The household appliance only needs to be provided with the display module with the wifi function, so that intelligent and remote control can be realized, and popularization of the intelligent household appliance can be accelerated.
The utility model discloses a take display module of wifi function, its beneficial effect lies in:
1. the domestic appliance only needs to install the display module with the wifi function, intelligent and remote control can be achieved, and popularization of the intelligent domestic appliance is accelerated.
2. The display module adopts an integrated structure, the structure of each part is compact, the product volume is small, the material consumption is less, the cost is low, and favorable conditions are provided for the development of the product towards the light and thin direction.
3. The display module adopts an integrated design, the process of welding a circuit board with IC drive through a wave-crest furnace is omitted, the damage of the chip LED caused by thermal stress due to high temperature again is reduced, the service life of a chip LED device is prolonged, and the integral reliability is improved.
4. The display module and the driving module are integrated, the installation and the use are more convenient, and a downstream user only needs to directly plug the connecting wire of the display module onto a control panel of an electric appliance.
Claims (10)
1. The utility model provides a take display module of wifi function, a serial communication port, including the circuit board, integrated in wifi module, display screen, MCU (micro control unit) module and the interface module on the circuit board surface, MCU module control wifi module, display screen and interface module, interface module is used for with external circuit connection, the wifi module directly communicates with wireless control terminal each other, is controlled by MCU simultaneously and to MCU feedback information, and the information of receiving wireless control terminal when the wifi module has the change, can feed back MCU, by MCU control display screen and interface module's information.
2. The wifi-enabled display module according to claim 1, wherein the circuit board surface further integrates an rf (radio frequency) module controlled by the MCU module and feeding back information to the MCU module.
3. The display module with wifi function of claim 1, wherein the circuit board surface further integrates I directly connected to MCU module2A C (Inter-Integrated Circuit) module.
4. The display module with the wifi function of claim 1, characterized in that the display screen uses LED light source.
5. The display module with the wifi function of claim 4, characterized in that, the display screen has a display driver, the LED light source is electrically connected to one end of the display driver, and the other end is electrically connected to the MCU module.
6. The display module with wifi function of claim 2, wherein the RF module is a module with bluetooth function.
7. The display module with the wifi function of claim 1, characterized in that the number of MCU chips in the MCU module is 1.
8. The display module with wifi function of claim 1, which is characterized in that the display module has a fixing hole.
9. The display module with wifi function of claim 1, wherein the interface module includes a wire holder and a connecting wire.
10. The display module with wifi function of claim 1, wherein the circuit board is a double-sided circuit board, and the wifi module, the display screen, the mcu (micro control unit) module and the interface module are respectively disposed on the front and back of the double-sided circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220318578 CN202795992U (en) | 2012-06-29 | 2012-06-29 | Display module having WiFi function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220318578 CN202795992U (en) | 2012-06-29 | 2012-06-29 | Display module having WiFi function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202795992U true CN202795992U (en) | 2013-03-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220318578 Expired - Lifetime CN202795992U (en) | 2012-06-29 | 2012-06-29 | Display module having WiFi function |
Country Status (1)
| Country | Link |
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| CN (1) | CN202795992U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023567A (en) * | 2016-07-29 | 2016-10-12 | 广东美的制冷设备有限公司 | Intelligent processing module and household appliance |
| CN106369829A (en) * | 2015-07-21 | 2017-02-01 | 青岛经济技术开发区海尔热水器有限公司 | Water heater with wifi control function |
| CN107355763A (en) * | 2017-08-07 | 2017-11-17 | 苏州艾克威尔科技有限公司 | A kind of double-sided PCB and its control method for Lamp lighting day and night |
-
2012
- 2012-06-29 CN CN 201220318578 patent/CN202795992U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369829A (en) * | 2015-07-21 | 2017-02-01 | 青岛经济技术开发区海尔热水器有限公司 | Water heater with wifi control function |
| CN106023567A (en) * | 2016-07-29 | 2016-10-12 | 广东美的制冷设备有限公司 | Intelligent processing module and household appliance |
| CN107355763A (en) * | 2017-08-07 | 2017-11-17 | 苏州艾克威尔科技有限公司 | A kind of double-sided PCB and its control method for Lamp lighting day and night |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |